]> git.sesse.net Git - ffmpeg/blobdiff - libavcodec/h264.c
Fix multiple "‘inline/static’ is not at beginning of declaration" warnings.
[ffmpeg] / libavcodec / h264.c
index 19c2fea9e496cccf908f9e6b7b33290c39a2367a..3c0df98abf5204c254d0559deee45793e19efc58 100644 (file)
@@ -2,19 +2,21 @@
  * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
  * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
  *
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
  *
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  *
  */
 
@@ -33,7 +35,7 @@
 
 #include "cabac.h"
 
-#undef NDEBUG
+//#undef NDEBUG
 #include <assert.h>
 
 #define interlaced_dct interlaced_dct_is_a_bad_name
 
 #define MAX_MMCO_COUNT 66
 
+/* Compiling in interlaced support reduces the speed
+ * of progressive decoding by about 2%. */
+#define ALLOW_INTERLACE
+
+#ifdef ALLOW_INTERLACE
+#define MB_MBAFF h->mb_mbaff
+#define MB_FIELD h->mb_field_decoding_flag
+#define FRAME_MBAFF h->mb_aff_frame
+#else
+#define MB_MBAFF 0
+#define MB_FIELD 0
+#define FRAME_MBAFF 0
+#undef  IS_INTERLACED
+#define IS_INTERLACED(mb_type) 0
+#endif
+
 /**
  * Sequence parameter set
  */
@@ -99,12 +117,12 @@ typedef struct SPS{
  * Picture parameter set
  */
 typedef struct PPS{
-    int sps_id;
+    unsigned int sps_id;
     int cabac;                  ///< entropy_coding_mode_flag
     int pic_order_present;      ///< pic_order_present_flag
     int slice_group_count;      ///< num_slice_groups_minus1 + 1
     int mb_slice_group_map_type;
-    int ref_count[2];           ///< num_ref_idx_l0/1_active_minus1 + 1
+    unsigned int ref_count[2];  ///< num_ref_idx_l0/1_active_minus1 + 1
     int weighted_pred;          ///< weighted_pred_flag
     int weighted_bipred_idc;
     int init_qp;                ///< pic_init_qp_minus26 + 26
@@ -147,22 +165,8 @@ typedef struct H264Context{
     MpegEncContext s;
     int nal_ref_idc;
     int nal_unit_type;
-#define NAL_SLICE              1
-#define NAL_DPA                        2
-#define NAL_DPB                        3
-#define NAL_DPC                        4
-#define NAL_IDR_SLICE          5
-#define NAL_SEI                        6
-#define NAL_SPS                        7
-#define NAL_PPS                        8
-#define NAL_AUD                 9
-#define NAL_END_SEQUENCE        10
-#define NAL_END_STREAM          11
-#define NAL_FILLER_DATA         12
-#define NAL_SPS_EXT             13
-#define NAL_AUXILIARY_SLICE     19
     uint8_t *rbsp_buffer;
-    int rbsp_buffer_size;
+    unsigned int rbsp_buffer_size;
 
     /**
       * Used to parse AVC variant of h264
@@ -173,7 +177,8 @@ typedef struct H264Context{
 
     int chroma_qp; //QPc
 
-    int prev_mb_skipped; //FIXME remove (IMHO not used)
+    int prev_mb_skipped;
+    int next_mb_skipped;
 
     //prediction stuff
     int chroma_pred_mode;
@@ -199,14 +204,14 @@ typedef struct H264Context{
      * non zero coeff count cache.
      * is 64 if not available.
      */
-    uint8_t non_zero_count_cache[6*8] __align8;
+    DECLARE_ALIGNED_8(uint8_t, non_zero_count_cache[6*8]);
     uint8_t (*non_zero_count)[16];
 
     /**
      * Motion vector cache.
      */
-    int16_t mv_cache[2][5*8][2] __align8;
-    int8_t ref_cache[2][5*8] __align8;
+    DECLARE_ALIGNED_8(int16_t, mv_cache[2][5*8][2]);
+    DECLARE_ALIGNED_8(int8_t, ref_cache[2][5*8]);
 #define LIST_NOT_USED -1 //FIXME rename?
 #define PART_NOT_AVAILABLE -2
 
@@ -231,6 +236,12 @@ typedef struct H264Context{
     int b_stride; //FIXME use s->b4_stride
     int b8_stride;
 
+    int mb_linesize;   ///< may be equal to s->linesize or s->linesize*2, for mbaff
+    int mb_uvlinesize;
+
+    int emu_edge_width;
+    int emu_edge_height;
+
     int halfpel_flag;
     int thirdpel_flag;
 
@@ -254,15 +265,16 @@ typedef struct H264Context{
 
     int slice_num;
     uint8_t *slice_table_base;
-    uint8_t *slice_table;      ///< slice_table_base + mb_stride + 1
+    uint8_t *slice_table;      ///< slice_table_base + 2*mb_stride + 1
     int slice_type;
     int slice_type_fixed;
 
     //interlacing specific flags
     int mb_aff_frame;
     int mb_field_decoding_flag;
+    int mb_mbaff;              ///< mb_aff_frame && mb_field_decoding_flag
 
-    int sub_mb_type[4];
+    unsigned int sub_mb_type[4];
 
     //POC stuff
     int poc_lsb;
@@ -291,11 +303,11 @@ typedef struct H264Context{
     int use_weight_chroma;
     int luma_log2_weight_denom;
     int chroma_log2_weight_denom;
-    int luma_weight[2][16];
-    int luma_offset[2][16];
-    int chroma_weight[2][16][2];
-    int chroma_offset[2][16][2];
-    int implicit_weight[16][16];
+    int luma_weight[2][48];
+    int luma_offset[2][48];
+    int chroma_weight[2][48][2];
+    int chroma_offset[2][48][2];
+    int implicit_weight[48][48];
 
     //deblock
     int deblocking_filter;         ///< disable_deblocking_filter_idc with 1<->0
@@ -306,18 +318,20 @@ typedef struct H264Context{
 
     int direct_spatial_mv_pred;
     int dist_scale_factor[16];
+    int dist_scale_factor_field[32];
     int map_col_to_list0[2][16];
+    int map_col_to_list0_field[2][32];
 
     /**
      * num_ref_idx_l0/1_active_minus1 + 1
      */
-    int ref_count[2];// FIXME split for AFF
+    unsigned int ref_count[2];   ///< counts frames or fields, depending on current mb mode
+    unsigned int list_count;
     Picture *short_ref[32];
     Picture *long_ref[32];
     Picture default_ref_list[2][32];
-    Picture ref_list[2][32]; //FIXME size?
-    Picture field_ref_list[2][32]; //FIXME size?
-    Picture *delayed_pic[16]; //FIXME size?
+    Picture ref_list[2][48];     ///< 0..15: frame refs, 16..47: mbaff field refs
+    Picture *delayed_pic[18]; //FIXME size?
     Picture *delayed_output_pic;
 
     /**
@@ -335,7 +349,8 @@ typedef struct H264Context{
     GetBitContext *intra_gb_ptr;
     GetBitContext *inter_gb_ptr;
 
-    DCTELEM mb[16*24] __align8;
+    DECLARE_ALIGNED_8(DCTELEM, mb[16*24]);
+    DCTELEM mb_padding[256];        ///< as mb is addressed by scantable[i] and scantable is uint8_t we can either check that i is not to large or ensure that there is some unused stuff after mb
 
     /**
      * Cabac
@@ -346,20 +361,29 @@ typedef struct H264Context{
 
     /* 0x100 -> non null luma_dc, 0x80/0x40 -> non null chroma_dc (cb/cr), 0x?0 -> chroma_cbp(0,1,2), 0x0? luma_cbp */
     uint16_t     *cbp_table;
+    int cbp;
     int top_cbp;
     int left_cbp;
     /* chroma_pred_mode for i4x4 or i16x16, else 0 */
     uint8_t     *chroma_pred_mode_table;
     int         last_qscale_diff;
     int16_t     (*mvd_table[2])[2];
-    int16_t     mvd_cache[2][5*8][2] __align8;
+    DECLARE_ALIGNED_8(int16_t, mvd_cache[2][5*8][2]);
     uint8_t     *direct_table;
     uint8_t     direct_cache[5*8];
 
     uint8_t zigzag_scan[16];
+    uint8_t zigzag_scan8x8[64];
+    uint8_t zigzag_scan8x8_cavlc[64];
     uint8_t field_scan[16];
+    uint8_t field_scan8x8[64];
+    uint8_t field_scan8x8_cavlc[64];
     const uint8_t *zigzag_scan_q0;
+    const uint8_t *zigzag_scan8x8_q0;
+    const uint8_t *zigzag_scan8x8_cavlc_q0;
     const uint8_t *field_scan_q0;
+    const uint8_t *field_scan8x8_q0;
+    const uint8_t *field_scan8x8_cavlc_q0;
 
     int x264_build;
 }H264Context;
@@ -376,8 +400,9 @@ static VLC run7_vlc;
 static void svq3_luma_dc_dequant_idct_c(DCTELEM *block, int qp);
 static void svq3_add_idct_c(uint8_t *dst, DCTELEM *block, int stride, int qp, int dc);
 static void filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize);
+static void filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize);
 
-static inline uint32_t pack16to32(int a, int b){
+static av_always_inline uint32_t pack16to32(int a, int b){
 #ifdef WORDS_BIGENDIAN
    return (b&0xFFFF) + (a<<16);
 #else
@@ -385,72 +410,104 @@ static inline uint32_t pack16to32(int a, int b){
 #endif
 }
 
+const uint8_t ff_rem6[52]={
+0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3,
+};
+
+const uint8_t ff_div6[52]={
+0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8,
+};
+
+
 /**
  * fill a rectangle.
  * @param h height of the rectangle, should be a constant
  * @param w width of the rectangle, should be a constant
  * @param size the size of val (1 or 4), should be a constant
  */
-static inline void fill_rectangle(void *vp, int w, int h, int stride, uint32_t val, int size){ //FIXME ensure this IS inlined
+static av_always_inline void fill_rectangle(void *vp, int w, int h, int stride, uint32_t val, int size){
     uint8_t *p= (uint8_t*)vp;
     assert(size==1 || size==4);
+    assert(w<=4);
 
     w      *= size;
     stride *= size;
 
     assert((((long)vp)&(FFMIN(w, STRIDE_ALIGN)-1)) == 0);
     assert((stride&(w-1))==0);
-//FIXME check what gcc generates for 64 bit on x86 and possibly write a 32 bit ver of it
-    if(w==2 && h==2){
-        *(uint16_t*)(p + 0)=
-        *(uint16_t*)(p + stride)= size==4 ? val : val*0x0101;
-    }else if(w==2 && h==4){
-        *(uint16_t*)(p + 0*stride)=
-        *(uint16_t*)(p + 1*stride)=
+    if(w==2){
+        const uint16_t v= size==4 ? val : val*0x0101;
+        *(uint16_t*)(p + 0*stride)= v;
+        if(h==1) return;
+        *(uint16_t*)(p + 1*stride)= v;
+        if(h==2) return;
         *(uint16_t*)(p + 2*stride)=
-        *(uint16_t*)(p + 3*stride)= size==4 ? val : val*0x0101;
-    }else if(w==4 && h==1){
-        *(uint32_t*)(p + 0*stride)= size==4 ? val : val*0x01010101;
-    }else if(w==4 && h==2){
-        *(uint32_t*)(p + 0*stride)=
-        *(uint32_t*)(p + 1*stride)= size==4 ? val : val*0x01010101;
-    }else if(w==4 && h==4){
-        *(uint32_t*)(p + 0*stride)=
-        *(uint32_t*)(p + 1*stride)=
+        *(uint16_t*)(p + 3*stride)= v;
+    }else if(w==4){
+        const uint32_t v= size==4 ? val : val*0x01010101;
+        *(uint32_t*)(p + 0*stride)= v;
+        if(h==1) return;
+        *(uint32_t*)(p + 1*stride)= v;
+        if(h==2) return;
         *(uint32_t*)(p + 2*stride)=
-        *(uint32_t*)(p + 3*stride)= size==4 ? val : val*0x01010101;
-    }else if(w==8 && h==1){
-        *(uint32_t*)(p + 0)=
-        *(uint32_t*)(p + 4)= size==4 ? val : val*0x01010101;
-    }else if(w==8 && h==2){
-        *(uint32_t*)(p + 0 + 0*stride)=
-        *(uint32_t*)(p + 4 + 0*stride)=
-        *(uint32_t*)(p + 0 + 1*stride)=
-        *(uint32_t*)(p + 4 + 1*stride)=  size==4 ? val : val*0x01010101;
-    }else if(w==8 && h==4){
-        *(uint64_t*)(p + 0*stride)=
-        *(uint64_t*)(p + 1*stride)=
+        *(uint32_t*)(p + 3*stride)= v;
+    }else if(w==8){
+    //gcc can't optimize 64bit math on x86_32
+#if defined(ARCH_X86_64) || (defined(MP_WORDSIZE) && MP_WORDSIZE >= 64)
+        const uint64_t v= val*0x0100000001ULL;
+        *(uint64_t*)(p + 0*stride)= v;
+        if(h==1) return;
+        *(uint64_t*)(p + 1*stride)= v;
+        if(h==2) return;
         *(uint64_t*)(p + 2*stride)=
-        *(uint64_t*)(p + 3*stride)= size==4 ? val*0x0100000001ULL : val*0x0101010101010101ULL;
-    }else if(w==16 && h==2){
+        *(uint64_t*)(p + 3*stride)= v;
+    }else if(w==16){
+        const uint64_t v= val*0x0100000001ULL;
         *(uint64_t*)(p + 0+0*stride)=
         *(uint64_t*)(p + 8+0*stride)=
         *(uint64_t*)(p + 0+1*stride)=
-        *(uint64_t*)(p + 8+1*stride)= size==4 ? val*0x0100000001ULL : val*0x0101010101010101ULL;
-    }else if(w==16 && h==4){
-        *(uint64_t*)(p + 0+0*stride)=
-        *(uint64_t*)(p + 8+0*stride)=
-        *(uint64_t*)(p + 0+1*stride)=
-        *(uint64_t*)(p + 8+1*stride)=
+        *(uint64_t*)(p + 8+1*stride)= v;
+        if(h==2) return;
         *(uint64_t*)(p + 0+2*stride)=
         *(uint64_t*)(p + 8+2*stride)=
         *(uint64_t*)(p + 0+3*stride)=
-        *(uint64_t*)(p + 8+3*stride)= size==4 ? val*0x0100000001ULL : val*0x0101010101010101ULL;
+        *(uint64_t*)(p + 8+3*stride)= v;
+#else
+        *(uint32_t*)(p + 0+0*stride)=
+        *(uint32_t*)(p + 4+0*stride)= val;
+        if(h==1) return;
+        *(uint32_t*)(p + 0+1*stride)=
+        *(uint32_t*)(p + 4+1*stride)= val;
+        if(h==2) return;
+        *(uint32_t*)(p + 0+2*stride)=
+        *(uint32_t*)(p + 4+2*stride)=
+        *(uint32_t*)(p + 0+3*stride)=
+        *(uint32_t*)(p + 4+3*stride)= val;
+    }else if(w==16){
+        *(uint32_t*)(p + 0+0*stride)=
+        *(uint32_t*)(p + 4+0*stride)=
+        *(uint32_t*)(p + 8+0*stride)=
+        *(uint32_t*)(p +12+0*stride)=
+        *(uint32_t*)(p + 0+1*stride)=
+        *(uint32_t*)(p + 4+1*stride)=
+        *(uint32_t*)(p + 8+1*stride)=
+        *(uint32_t*)(p +12+1*stride)= val;
+        if(h==2) return;
+        *(uint32_t*)(p + 0+2*stride)=
+        *(uint32_t*)(p + 4+2*stride)=
+        *(uint32_t*)(p + 8+2*stride)=
+        *(uint32_t*)(p +12+2*stride)=
+        *(uint32_t*)(p + 0+3*stride)=
+        *(uint32_t*)(p + 4+3*stride)=
+        *(uint32_t*)(p + 8+3*stride)=
+        *(uint32_t*)(p +12+3*stride)= val;
+#endif
     }else
         assert(0);
+    assert(h==4);
 }
 
-static inline void fill_caches(H264Context *h, int mb_type, int for_deblock){
+static void fill_caches(H264Context *h, int mb_type, int for_deblock){
     MpegEncContext * const s = &h->s;
     const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
     int topleft_xy, top_xy, topright_xy, left_xy[2];
@@ -458,10 +515,8 @@ static inline void fill_caches(H264Context *h, int mb_type, int for_deblock){
     int left_block[8];
     int i;
 
-    //FIXME deblocking can skip fill_caches much of the time with multiple slices too.
-    // the actual condition is whether we're on the edge of a slice,
-    // and even then the intra and nnz parts are unnecessary.
-    if(for_deblock && h->slice_num == 1)
+    //FIXME deblocking could skip the intra and nnz parts.
+    if(for_deblock && (h->slice_num == 1 || h->slice_table[mb_xy] == h->slice_table[mb_xy-s->mb_stride]) && !FRAME_MBAFF)
         return;
 
     //wow what a mess, why didn't they simplify the interlacing&intra stuff, i can't imagine that these complex rules are worth it
@@ -478,7 +533,7 @@ static inline void fill_caches(H264Context *h, int mb_type, int for_deblock){
     left_block[5]= 10;
     left_block[6]= 8;
     left_block[7]= 11;
-    if(h->mb_aff_frame){
+    if(FRAME_MBAFF){
         const int pair_xy          = s->mb_x     + (s->mb_y & ~1)*s->mb_stride;
         const int top_pair_xy      = pair_xy     - s->mb_stride;
         const int topleft_pair_xy  = top_pair_xy - 1;
@@ -489,7 +544,7 @@ static inline void fill_caches(H264Context *h, int mb_type, int for_deblock){
         const int left_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]);
         const int curr_mb_frame_flag = !IS_INTERLACED(mb_type);
         const int bottom = (s->mb_y & 1);
-        tprintf("fill_caches: curr_mb_frame_flag:%d, left_mb_frame_flag:%d, topleft_mb_frame_flag:%d, top_mb_frame_flag:%d, topright_mb_frame_flag:%d\n", curr_mb_frame_flag, left_mb_frame_flag, topleft_mb_frame_flag, top_mb_frame_flag, topright_mb_frame_flag);
+        tprintf(s->avctx, "fill_caches: curr_mb_frame_flag:%d, left_mb_frame_flag:%d, topleft_mb_frame_flag:%d, top_mb_frame_flag:%d, topright_mb_frame_flag:%d\n", curr_mb_frame_flag, left_mb_frame_flag, topleft_mb_frame_flag, top_mb_frame_flag, topright_mb_frame_flag);
         if (bottom
                 ? !curr_mb_frame_flag // bottom macroblock
                 : (!curr_mb_frame_flag && !top_mb_frame_flag) // top macroblock
@@ -548,11 +603,39 @@ static inline void fill_caches(H264Context *h, int mb_type, int for_deblock){
     h->left_mb_xy[0] = left_xy[0];
     h->left_mb_xy[1] = left_xy[1];
     if(for_deblock){
-        topleft_type = h->slice_table[topleft_xy ] < 255 ? s->current_picture.mb_type[topleft_xy] : 0;
+        topleft_type = 0;
+        topright_type = 0;
         top_type     = h->slice_table[top_xy     ] < 255 ? s->current_picture.mb_type[top_xy]     : 0;
-        topright_type= h->slice_table[topright_xy] < 255 ? s->current_picture.mb_type[topright_xy]: 0;
         left_type[0] = h->slice_table[left_xy[0] ] < 255 ? s->current_picture.mb_type[left_xy[0]] : 0;
         left_type[1] = h->slice_table[left_xy[1] ] < 255 ? s->current_picture.mb_type[left_xy[1]] : 0;
+
+        if(FRAME_MBAFF && !IS_INTRA(mb_type)){
+            int list;
+            int v = *(uint16_t*)&h->non_zero_count[mb_xy][14];
+            for(i=0; i<16; i++)
+                h->non_zero_count_cache[scan8[i]] = (v>>i)&1;
+            for(list=0; list<h->list_count; list++){
+                if(USES_LIST(mb_type,list)){
+                    uint32_t *src = (uint32_t*)s->current_picture.motion_val[list][h->mb2b_xy[mb_xy]];
+                    uint32_t *dst = (uint32_t*)h->mv_cache[list][scan8[0]];
+                    int8_t *ref = &s->current_picture.ref_index[list][h->mb2b8_xy[mb_xy]];
+                    for(i=0; i<4; i++, dst+=8, src+=h->b_stride){
+                        dst[0] = src[0];
+                        dst[1] = src[1];
+                        dst[2] = src[2];
+                        dst[3] = src[3];
+                    }
+                    *(uint32_t*)&h->ref_cache[list][scan8[ 0]] =
+                    *(uint32_t*)&h->ref_cache[list][scan8[ 2]] = pack16to32(ref[0],ref[1])*0x0101;
+                    ref += h->b8_stride;
+                    *(uint32_t*)&h->ref_cache[list][scan8[ 8]] =
+                    *(uint32_t*)&h->ref_cache[list][scan8[10]] = pack16to32(ref[0],ref[1])*0x0101;
+                }else{
+                    fill_rectangle(&h-> mv_cache[list][scan8[ 0]], 4, 4, 8, 0, 4);
+                    fill_rectangle(&h->ref_cache[list][scan8[ 0]], 4, 4, 8, (uint8_t)LIST_NOT_USED, 1);
+                }
+            }
+        }
     }else{
         topleft_type = h->slice_table[topleft_xy ] == h->slice_num ? s->current_picture.mb_type[topleft_xy] : 0;
         top_type     = h->slice_table[top_xy     ] == h->slice_num ? s->current_picture.mb_type[top_xy]     : 0;
@@ -697,10 +780,9 @@ static inline void fill_caches(H264Context *h, int mb_type, int for_deblock){
     }
 
 #if 1
-    //FIXME direct mb can skip much of this
     if(IS_INTER(mb_type) || IS_DIRECT(mb_type)){
         int list;
-        for(list=0; list<1+(h->slice_type==B_TYPE); list++){
+        for(list=0; list<h->list_count; list++){
             if(!USES_LIST(mb_type, list) && !IS_DIRECT(mb_type) && !h->deblocking_filter){
                 /*if(!h->mv_cache_clean[list]){
                     memset(h->mv_cache [list],  0, 8*5*2*sizeof(int16_t)); //FIXME clean only input? clean at all?
@@ -711,7 +793,7 @@ static inline void fill_caches(H264Context *h, int mb_type, int for_deblock){
             }
             h->mv_cache_clean[list]= 0;
 
-            if(IS_INTER(top_type)){
+            if(USES_LIST(top_type, list)){
                 const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
                 const int b8_xy= h->mb2b8_xy[top_xy] + h->b8_stride;
                 *(uint32_t*)h->mv_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 0];
@@ -730,40 +812,27 @@ static inline void fill_caches(H264Context *h, int mb_type, int for_deblock){
                 *(uint32_t*)&h->ref_cache[list][scan8[0] + 0 - 1*8]= ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE)&0xFF)*0x01010101;
             }
 
-            //FIXME unify cleanup or sth
-            if(IS_INTER(left_type[0])){
-                const int b_xy= h->mb2b_xy[left_xy[0]] + 3;
-                const int b8_xy= h->mb2b8_xy[left_xy[0]] + 1;
-                *(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 0*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[0]];
-                *(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[1]];
-                h->ref_cache[list][scan8[0] - 1 + 0*8]=
-                h->ref_cache[list][scan8[0] - 1 + 1*8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[0]>>1)];
-            }else{
-                *(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 0*8]=
-                *(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 1*8]= 0;
-                h->ref_cache[list][scan8[0] - 1 + 0*8]=
-                h->ref_cache[list][scan8[0] - 1 + 1*8]= left_type[0] ? LIST_NOT_USED : PART_NOT_AVAILABLE;
-            }
-
-            if(IS_INTER(left_type[1])){
-                const int b_xy= h->mb2b_xy[left_xy[1]] + 3;
-                const int b8_xy= h->mb2b8_xy[left_xy[1]] + 1;
-                *(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 2*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[2]];
-                *(uint32_t*)h->mv_cache[list][scan8[0] - 1 + 3*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[3]];
-                h->ref_cache[list][scan8[0] - 1 + 2*8]=
-                h->ref_cache[list][scan8[0] - 1 + 3*8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[2]>>1)];
-            }else{
-                *(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 2*8]=
-                *(uint32_t*)h->mv_cache [list][scan8[0] - 1 + 3*8]= 0;
-                h->ref_cache[list][scan8[0] - 1 + 2*8]=
-                h->ref_cache[list][scan8[0] - 1 + 3*8]= left_type[0] ? LIST_NOT_USED : PART_NOT_AVAILABLE;
-                assert((!left_type[0]) == (!left_type[1]));
+            for(i=0; i<2; i++){
+                int cache_idx = scan8[0] - 1 + i*2*8;
+                if(USES_LIST(left_type[i], list)){
+                    const int b_xy= h->mb2b_xy[left_xy[i]] + 3;
+                    const int b8_xy= h->mb2b8_xy[left_xy[i]] + 1;
+                    *(uint32_t*)h->mv_cache[list][cache_idx  ]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[0+i*2]];
+                    *(uint32_t*)h->mv_cache[list][cache_idx+8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[1+i*2]];
+                    h->ref_cache[list][cache_idx  ]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[0+i*2]>>1)];
+                    h->ref_cache[list][cache_idx+8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[1+i*2]>>1)];
+                }else{
+                    *(uint32_t*)h->mv_cache [list][cache_idx  ]=
+                    *(uint32_t*)h->mv_cache [list][cache_idx+8]= 0;
+                    h->ref_cache[list][cache_idx  ]=
+                    h->ref_cache[list][cache_idx+8]= left_type[i] ? LIST_NOT_USED : PART_NOT_AVAILABLE;
+                }
             }
 
-            if(for_deblock || (IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred))
+            if((for_deblock || (IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred)) && !FRAME_MBAFF)
                 continue;
 
-            if(IS_INTER(topleft_type)){
+            if(USES_LIST(topleft_type, list)){
                 const int b_xy = h->mb2b_xy[topleft_xy] + 3 + 3*h->b_stride;
                 const int b8_xy= h->mb2b8_xy[topleft_xy] + 1 + h->b8_stride;
                 *(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];
@@ -773,7 +842,7 @@ static inline void fill_caches(H264Context *h, int mb_type, int for_deblock){
                 h->ref_cache[list][scan8[0] - 1 - 1*8]= topleft_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
             }
 
-            if(IS_INTER(topright_type)){
+            if(USES_LIST(topright_type, list)){
                 const int b_xy= h->mb2b_xy[topright_xy] + 3*h->b_stride;
                 const int b8_xy= h->mb2b8_xy[topright_xy] + h->b8_stride;
                 *(uint32_t*)h->mv_cache[list][scan8[0] + 4 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy];
@@ -783,6 +852,8 @@ static inline void fill_caches(H264Context *h, int mb_type, int for_deblock){
                 h->ref_cache[list][scan8[0] + 4 - 1*8]= topright_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
             }
 
+            if((IS_SKIP(mb_type) || IS_DIRECT(mb_type)) && !FRAME_MBAFF)
+                continue;
 
             h->ref_cache[list][scan8[5 ]+1] =
             h->ref_cache[list][scan8[7 ]+1] =
@@ -797,14 +868,7 @@ static inline void fill_caches(H264Context *h, int mb_type, int for_deblock){
 
             if( h->pps.cabac ) {
                 /* XXX beurk, Load mvd */
-                if(IS_INTER(topleft_type)){
-                    const int b_xy = h->mb2b_xy[topleft_xy] + 3 + 3*h->b_stride;
-                    *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy];
-                }else{
-                    *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 - 1*8]= 0;
-                }
-
-                if(IS_INTER(top_type)){
+                if(USES_LIST(top_type, list)){
                     const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
                     *(uint32_t*)h->mvd_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 0];
                     *(uint32_t*)h->mvd_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 1];
@@ -816,7 +880,7 @@ static inline void fill_caches(H264Context *h, int mb_type, int for_deblock){
                     *(uint32_t*)h->mvd_cache [list][scan8[0] + 2 - 1*8]=
                     *(uint32_t*)h->mvd_cache [list][scan8[0] + 3 - 1*8]= 0;
                 }
-                if(IS_INTER(left_type[0])){
+                if(USES_LIST(left_type[0], list)){
                     const int b_xy= h->mb2b_xy[left_xy[0]] + 3;
                     *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 0*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[0]];
                     *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[1]];
@@ -824,7 +888,7 @@ static inline void fill_caches(H264Context *h, int mb_type, int for_deblock){
                     *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 0*8]=
                     *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 1*8]= 0;
                 }
-                if(IS_INTER(left_type[1])){
+                if(USES_LIST(left_type[1], list)){
                     const int b_xy= h->mb2b_xy[left_xy[1]] + 3;
                     *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 2*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[2]];
                     *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 3*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[3]];
@@ -851,18 +915,52 @@ static inline void fill_caches(H264Context *h, int mb_type, int for_deblock){
                         *(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0;
                     }
 
-                    //FIXME interlacing
-                    if(IS_DIRECT(left_type[0])){
-                        h->direct_cache[scan8[0] - 1 + 0*8]=
+                    if(IS_DIRECT(left_type[0]))
+                        h->direct_cache[scan8[0] - 1 + 0*8]= 1;
+                    else if(IS_8X8(left_type[0]))
+                        h->direct_cache[scan8[0] - 1 + 0*8]= h->direct_table[h->mb2b8_xy[left_xy[0]] + 1 + h->b8_stride*(left_block[0]>>1)];
+                    else
+                        h->direct_cache[scan8[0] - 1 + 0*8]= 0;
+
+                    if(IS_DIRECT(left_type[1]))
                         h->direct_cache[scan8[0] - 1 + 2*8]= 1;
-                    }else if(IS_8X8(left_type[0])){
-                        int b8_xy = h->mb2b8_xy[left_xy[0]] + 1;
-                        h->direct_cache[scan8[0] - 1 + 0*8]= h->direct_table[b8_xy];
-                        h->direct_cache[scan8[0] - 1 + 2*8]= h->direct_table[b8_xy + h->b8_stride];
-                    }else{
-                        h->direct_cache[scan8[0] - 1 + 0*8]=
+                    else if(IS_8X8(left_type[1]))
+                        h->direct_cache[scan8[0] - 1 + 2*8]= h->direct_table[h->mb2b8_xy[left_xy[1]] + 1 + h->b8_stride*(left_block[2]>>1)];
+                    else
                         h->direct_cache[scan8[0] - 1 + 2*8]= 0;
+                }
+            }
+
+            if(FRAME_MBAFF){
+#define MAP_MVS\
+                    MAP_F2F(scan8[0] - 1 - 1*8, topleft_type)\
+                    MAP_F2F(scan8[0] + 0 - 1*8, top_type)\
+                    MAP_F2F(scan8[0] + 1 - 1*8, top_type)\
+                    MAP_F2F(scan8[0] + 2 - 1*8, top_type)\
+                    MAP_F2F(scan8[0] + 3 - 1*8, top_type)\
+                    MAP_F2F(scan8[0] + 4 - 1*8, topright_type)\
+                    MAP_F2F(scan8[0] - 1 + 0*8, left_type[0])\
+                    MAP_F2F(scan8[0] - 1 + 1*8, left_type[0])\
+                    MAP_F2F(scan8[0] - 1 + 2*8, left_type[1])\
+                    MAP_F2F(scan8[0] - 1 + 3*8, left_type[1])
+                if(MB_FIELD){
+#define MAP_F2F(idx, mb_type)\
+                    if(!IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\
+                        h->ref_cache[list][idx] <<= 1;\
+                        h->mv_cache[list][idx][1] /= 2;\
+                        h->mvd_cache[list][idx][1] /= 2;\
                     }
+                    MAP_MVS
+#undef MAP_F2F
+                }else{
+#define MAP_F2F(idx, mb_type)\
+                    if(IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\
+                        h->ref_cache[list][idx] >>= 1;\
+                        h->mv_cache[list][idx][1] <<= 1;\
+                        h->mvd_cache[list][idx][1] <<= 1;\
+                    }
+                    MAP_MVS
+#undef MAP_F2F
                 }
             }
         }
@@ -929,7 +1027,7 @@ static inline int check_intra_pred_mode(H264Context *h, int mode){
     static const int8_t top [7]= {LEFT_DC_PRED8x8, 1,-1,-1};
     static const int8_t left[7]= { TOP_DC_PRED8x8,-1, 2,-1,DC_128_PRED8x8};
 
-    if(mode < 0 || mode > 6) {
+    if(mode > 6U) {
         av_log(h->s.avctx, AV_LOG_ERROR, "out of range intra chroma pred mode at %d %d\n", s->mb_x, s->mb_y);
         return -1;
     }
@@ -962,7 +1060,7 @@ static inline int pred_intra_mode(H264Context *h, int n){
     const int top = h->intra4x4_pred_mode_cache[index8 - 8];
     const int min= FFMIN(left, top);
 
-    tprintf("mode:%d %d min:%d\n", left ,top, min);
+    tprintf(h->s.avctx, "mode:%d %d min:%d\n", left ,top, min);
 
     if(min<0) return DC_PRED;
     else      return min;
@@ -987,6 +1085,14 @@ static inline void write_back_non_zero_count(H264Context *h){
     h->non_zero_count[mb_xy][12]=h->non_zero_count_cache[1+8*5];
     h->non_zero_count[mb_xy][11]=h->non_zero_count_cache[2+8*5];
     h->non_zero_count[mb_xy][10]=h->non_zero_count_cache[2+8*4];
+
+    if(FRAME_MBAFF){
+        // store all luma nnzs, for deblocking
+        int v = 0, i;
+        for(i=0; i<16; i++)
+            v += (!!h->non_zero_count_cache[scan8[i]]) << i;
+        *(uint16_t*)&h->non_zero_count[mb_xy][14] = v;
+    }
 }
 
 /**
@@ -1001,19 +1107,62 @@ static inline int pred_non_zero_count(H264Context *h, int n){
 
     if(i<64) i= (i+1)>>1;
 
-    tprintf("pred_nnz L%X T%X n%d s%d P%X\n", left, top, n, scan8[n], i&31);
+    tprintf(h->s.avctx, "pred_nnz L%X T%X n%d s%d P%X\n", left, top, n, scan8[n], i&31);
 
     return i&31;
 }
 
 static inline int fetch_diagonal_mv(H264Context *h, const int16_t **C, int i, int list, int part_width){
     const int topright_ref= h->ref_cache[list][ i - 8 + part_width ];
+    MpegEncContext *s = &h->s;
+
+    /* there is no consistent mapping of mvs to neighboring locations that will
+     * make mbaff happy, so we can't move all this logic to fill_caches */
+    if(FRAME_MBAFF){
+        const uint32_t *mb_types = s->current_picture_ptr->mb_type;
+        const int16_t *mv;
+        *(uint32_t*)h->mv_cache[list][scan8[0]-2] = 0;
+        *C = h->mv_cache[list][scan8[0]-2];
+
+        if(!MB_FIELD
+           && (s->mb_y&1) && i < scan8[0]+8 && topright_ref != PART_NOT_AVAILABLE){
+            int topright_xy = s->mb_x + (s->mb_y-1)*s->mb_stride + (i == scan8[0]+3);
+            if(IS_INTERLACED(mb_types[topright_xy])){
+#define SET_DIAG_MV(MV_OP, REF_OP, X4, Y4)\
+                const int x4 = X4, y4 = Y4;\
+                const int mb_type = mb_types[(x4>>2)+(y4>>2)*s->mb_stride];\
+                if(!USES_LIST(mb_type,list) && !IS_8X8(mb_type))\
+                    return LIST_NOT_USED;\
+                mv = s->current_picture_ptr->motion_val[list][x4 + y4*h->b_stride];\
+                h->mv_cache[list][scan8[0]-2][0] = mv[0];\
+                h->mv_cache[list][scan8[0]-2][1] = mv[1] MV_OP;\
+                return s->current_picture_ptr->ref_index[list][(x4>>1) + (y4>>1)*h->b8_stride] REF_OP;
+
+                SET_DIAG_MV(*2, >>1, s->mb_x*4+(i&7)-4+part_width, s->mb_y*4-1);
+            }
+        }
+        if(topright_ref == PART_NOT_AVAILABLE
+           && ((s->mb_y&1) || i >= scan8[0]+8) && (i&7)==4
+           && h->ref_cache[list][scan8[0]-1] != PART_NOT_AVAILABLE){
+            if(!MB_FIELD
+               && IS_INTERLACED(mb_types[h->left_mb_xy[0]])){
+                SET_DIAG_MV(*2, >>1, s->mb_x*4-1, (s->mb_y|1)*4+(s->mb_y&1)*2+(i>>4)-1);
+            }
+            if(MB_FIELD
+               && !IS_INTERLACED(mb_types[h->left_mb_xy[0]])
+               && i >= scan8[0]+8){
+                // leftshift will turn LIST_NOT_USED into PART_NOT_AVAILABLE, but that's ok.
+                SET_DIAG_MV(>>1, <<1, s->mb_x*4-1, (s->mb_y&~1)*4 - 1 + ((i-scan8[0])>>3)*2);
+            }
+        }
+#undef SET_DIAG_MV
+    }
 
     if(topright_ref != PART_NOT_AVAILABLE){
         *C= h->mv_cache[list][ i - 8 + part_width ];
         return topright_ref;
     }else{
-        tprintf("topright MV not available\n");
+        tprintf(s->avctx, "topright MV not available\n");
 
         *C= h->mv_cache[list][ i - 8 - 1 ];
         return h->ref_cache[list][ i - 8 - 1 ];
@@ -1048,7 +1197,7 @@ static inline void pred_motion(H264Context * const h, int n, int part_width, int
 
     diagonal_ref= fetch_diagonal_mv(h, &C, index8, list, part_width);
     match_count= (diagonal_ref==ref) + (top_ref==ref) + (left_ref==ref);
-    tprintf("pred_motion match_count=%d\n", match_count);
+    tprintf(h->s.avctx, "pred_motion match_count=%d\n", match_count);
     if(match_count > 1){ //most common
         *mx= mid_pred(A[0], B[0], C[0]);
         *my= mid_pred(A[1], B[1], C[1]);
@@ -1073,7 +1222,7 @@ static inline void pred_motion(H264Context * const h, int n, int part_width, int
         }
     }
 
-    tprintf("pred_motion (%2d %2d %2d) (%2d %2d %2d) (%2d %2d %2d) -> (%2d %2d %2d) at %2d %2d %d list %d\n", top_ref, B[0], B[1],                    diagonal_ref, C[0], C[1], left_ref, A[0], A[1], ref, *mx, *my, h->s.mb_x, h->s.mb_y, n, list);
+    tprintf(h->s.avctx, "pred_motion (%2d %2d %2d) (%2d %2d %2d) (%2d %2d %2d) -> (%2d %2d %2d) at %2d %2d %d list %d\n", top_ref, B[0], B[1],                    diagonal_ref, C[0], C[1], left_ref, A[0], A[1], ref, *mx, *my, h->s.mb_x, h->s.mb_y, n, list);
 }
 
 /**
@@ -1087,7 +1236,7 @@ static inline void pred_16x8_motion(H264Context * const h, int n, int list, int
         const int top_ref=      h->ref_cache[list][ scan8[0] - 8 ];
         const int16_t * const B= h->mv_cache[list][ scan8[0] - 8 ];
 
-        tprintf("pred_16x8: (%2d %2d %2d) at %2d %2d %d list %d\n", top_ref, B[0], B[1], h->s.mb_x, h->s.mb_y, n, list);
+        tprintf(h->s.avctx, "pred_16x8: (%2d %2d %2d) at %2d %2d %d list %d\n", top_ref, B[0], B[1], h->s.mb_x, h->s.mb_y, n, list);
 
         if(top_ref == ref){
             *mx= B[0];
@@ -1098,7 +1247,7 @@ static inline void pred_16x8_motion(H264Context * const h, int n, int list, int
         const int left_ref=     h->ref_cache[list][ scan8[8] - 1 ];
         const int16_t * const A= h->mv_cache[list][ scan8[8] - 1 ];
 
-        tprintf("pred_16x8: (%2d %2d %2d) at %2d %2d %d list %d\n", left_ref, A[0], A[1], h->s.mb_x, h->s.mb_y, n, list);
+        tprintf(h->s.avctx, "pred_16x8: (%2d %2d %2d) at %2d %2d %d list %d\n", left_ref, A[0], A[1], h->s.mb_x, h->s.mb_y, n, list);
 
         if(left_ref == ref){
             *mx= A[0];
@@ -1122,7 +1271,7 @@ static inline void pred_8x16_motion(H264Context * const h, int n, int list, int
         const int left_ref=      h->ref_cache[list][ scan8[0] - 1 ];
         const int16_t * const A=  h->mv_cache[list][ scan8[0] - 1 ];
 
-        tprintf("pred_8x16: (%2d %2d %2d) at %2d %2d %d list %d\n", left_ref, A[0], A[1], h->s.mb_x, h->s.mb_y, n, list);
+        tprintf(h->s.avctx, "pred_8x16: (%2d %2d %2d) at %2d %2d %d list %d\n", left_ref, A[0], A[1], h->s.mb_x, h->s.mb_y, n, list);
 
         if(left_ref == ref){
             *mx= A[0];
@@ -1135,7 +1284,7 @@ static inline void pred_8x16_motion(H264Context * const h, int n, int list, int
 
         diagonal_ref= fetch_diagonal_mv(h, &C, scan8[4], list, 2);
 
-        tprintf("pred_8x16: (%2d %2d %2d) at %2d %2d %d list %d\n", diagonal_ref, C[0], C[1], h->s.mb_x, h->s.mb_y, n, list);
+        tprintf(h->s.avctx, "pred_8x16: (%2d %2d %2d) at %2d %2d %d list %d\n", diagonal_ref, C[0], C[1], h->s.mb_x, h->s.mb_y, n, list);
 
         if(diagonal_ref == ref){
             *mx= C[0];
@@ -1152,7 +1301,7 @@ static inline void pred_pskip_motion(H264Context * const h, int * const mx, int
     const int top_ref = h->ref_cache[0][ scan8[0] - 8 ];
     const int left_ref= h->ref_cache[0][ scan8[0] - 1 ];
 
-    tprintf("pred_pskip: (%d) (%d) at %2d %2d\n", top_ref, left_ref, h->s.mb_x, h->s.mb_y);
+    tprintf(h->s.avctx, "pred_pskip: (%d) (%d) at %2d %2d\n", top_ref, left_ref, h->s.mb_x, h->s.mb_y);
 
     if(top_ref == PART_NOT_AVAILABLE || left_ref == PART_NOT_AVAILABLE
        || (top_ref == 0  && *(uint32_t*)h->mv_cache[0][ scan8[0] - 8 ] == 0)
@@ -1173,13 +1322,19 @@ static inline void direct_dist_scale_factor(H264Context * const h){
     int i;
     for(i=0; i<h->ref_count[0]; i++){
         int poc0 = h->ref_list[0][i].poc;
-        int td = clip(poc1 - poc0, -128, 127);
+        int td = av_clip(poc1 - poc0, -128, 127);
         if(td == 0 /* FIXME || pic0 is a long-term ref */){
             h->dist_scale_factor[i] = 256;
         }else{
-            int tb = clip(poc - poc0, -128, 127);
-            int tx = (16384 + (ABS(td) >> 1)) / td;
-            h->dist_scale_factor[i] = clip((tb*tx + 32) >> 6, -1024, 1023);
+            int tb = av_clip(poc - poc0, -128, 127);
+            int tx = (16384 + (FFABS(td) >> 1)) / td;
+            h->dist_scale_factor[i] = av_clip((tb*tx + 32) >> 6, -1024, 1023);
+        }
+    }
+    if(FRAME_MBAFF){
+        for(i=0; i<h->ref_count[0]; i++){
+            h->dist_scale_factor_field[2*i] =
+            h->dist_scale_factor_field[2*i+1] = h->dist_scale_factor[i];
         }
     }
 }
@@ -1202,7 +1357,7 @@ static inline void direct_ref_list_init(H264Context * const h){
     for(list=0; list<2; list++){
         for(i=0; i<ref1->ref_count[list]; i++){
             const int poc = ref1->ref_poc[list][i];
-            h->map_col_to_list0[list][i] = PART_NOT_AVAILABLE;
+            h->map_col_to_list0[list][i] = 0; /* bogus; fills in for missing frames */
             for(j=0; j<h->ref_count[list]; j++)
                 if(h->ref_list[list][j].poc == poc){
                     h->map_col_to_list0[list][i] = j;
@@ -1210,6 +1365,15 @@ static inline void direct_ref_list_init(H264Context * const h){
                 }
         }
     }
+    if(FRAME_MBAFF){
+        for(list=0; list<2; list++){
+            for(i=0; i<ref1->ref_count[list]; i++){
+                j = h->map_col_to_list0[list][i];
+                h->map_col_to_list0_field[list][2*i] = 2*j;
+                h->map_col_to_list0_field[list][2*i+1] = 2*j+1;
+            }
+        }
+    }
 }
 
 static inline void pred_direct_motion(H264Context * const h, int *mb_type){
@@ -1223,15 +1387,16 @@ static inline void pred_direct_motion(H264Context * const h, int *mb_type){
     const int8_t *l1ref0 = &h->ref_list[1][0].ref_index[0][b8_xy];
     const int8_t *l1ref1 = &h->ref_list[1][0].ref_index[1][b8_xy];
     const int is_b8x8 = IS_8X8(*mb_type);
-    int sub_mb_type;
+    unsigned int sub_mb_type;
     int i8, i4;
 
+#define MB_TYPE_16x16_OR_INTRA (MB_TYPE_16x16|MB_TYPE_INTRA4x4|MB_TYPE_INTRA16x16|MB_TYPE_INTRA_PCM)
     if(IS_8X8(mb_type_col) && !h->sps.direct_8x8_inference_flag){
         /* FIXME save sub mb types from previous frames (or derive from MVs)
          * so we know exactly what block size to use */
         sub_mb_type = MB_TYPE_8x8|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_4x4 */
         *mb_type =    MB_TYPE_8x8|MB_TYPE_L0L1;
-    }else if(!is_b8x8 && (IS_16X16(mb_type_col) || IS_INTRA(mb_type_col))){
+    }else if(!is_b8x8 && (mb_type_col & MB_TYPE_16x16_OR_INTRA)){
         sub_mb_type = MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_SUB_8x8 */
         *mb_type =    MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2; /* B_16x16 */
     }else{
@@ -1240,14 +1405,18 @@ static inline void pred_direct_motion(H264Context * const h, int *mb_type){
     }
     if(!is_b8x8)
         *mb_type |= MB_TYPE_DIRECT2;
+    if(MB_FIELD)
+        *mb_type |= MB_TYPE_INTERLACED;
 
-    tprintf("mb_type = %08x, sub_mb_type = %08x, is_b8x8 = %d, mb_type_col = %08x\n", *mb_type, sub_mb_type, is_b8x8, mb_type_col);
+    tprintf(s->avctx, "mb_type = %08x, sub_mb_type = %08x, is_b8x8 = %d, mb_type_col = %08x\n", *mb_type, sub_mb_type, is_b8x8, mb_type_col);
 
     if(h->direct_spatial_mv_pred){
         int ref[2];
         int mv[2][2];
         int list;
 
+        /* FIXME interlacing + spatial direct uses wrong colocated block positions */
+
         /* ref = min(neighbors) */
         for(list=0; list<2; list++){
             int refa = h->ref_cache[list][scan8[0] - 1];
@@ -1286,24 +1455,24 @@ static inline void pred_direct_motion(H264Context * const h, int *mb_type){
         }
 
         if(IS_16X16(*mb_type)){
-            fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref[0], 1);
-            fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, ref[1], 1);
+            int a=0, b=0;
+
+            fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, (uint8_t)ref[0], 1);
+            fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, (uint8_t)ref[1], 1);
             if(!IS_INTRA(mb_type_col)
-               && (   (l1ref0[0] == 0 && ABS(l1mv0[0][0]) <= 1 && ABS(l1mv0[0][1]) <= 1)
-                   || (l1ref0[0]  < 0 && l1ref1[0] == 0 && ABS(l1mv1[0][0]) <= 1 && ABS(l1mv1[0][1]) <= 1
+               && (   (l1ref0[0] == 0 && FFABS(l1mv0[0][0]) <= 1 && FFABS(l1mv0[0][1]) <= 1)
+                   || (l1ref0[0]  < 0 && l1ref1[0] == 0 && FFABS(l1mv1[0][0]) <= 1 && FFABS(l1mv1[0][1]) <= 1
                        && (h->x264_build>33 || !h->x264_build)))){
                 if(ref[0] > 0)
-                    fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mv[0][0],mv[0][1]), 4);
-                else
-                    fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, 0, 4);
+                    a= pack16to32(mv[0][0],mv[0][1]);
                 if(ref[1] > 0)
-                    fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, pack16to32(mv[1][0],mv[1][1]), 4);
-                else
-                    fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, 0, 4);
+                    b= pack16to32(mv[1][0],mv[1][1]);
             }else{
-                fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mv[0][0],mv[0][1]), 4);
-                fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, pack16to32(mv[1][0],mv[1][1]), 4);
+                a= pack16to32(mv[0][0],mv[0][1]);
+                b= pack16to32(mv[1][0],mv[1][1]);
             }
+            fill_rectangle(&h->mv_cache[0][scan8[0]], 4, 4, 8, a, 4);
+            fill_rectangle(&h->mv_cache[1][scan8[0]], 4, 4, 8, b, 4);
         }else{
             for(i8=0; i8<4; i8++){
                 const int x8 = i8&1;
@@ -1315,17 +1484,26 @@ static inline void pred_direct_motion(H264Context * const h, int *mb_type){
 
                 fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mv[0][0],mv[0][1]), 4);
                 fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mv[1][0],mv[1][1]), 4);
-                fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref[0], 1);
-                fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, ref[1], 1);
+                fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[0], 1);
+                fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, (uint8_t)ref[1], 1);
 
                 /* col_zero_flag */
                 if(!IS_INTRA(mb_type_col) && (   l1ref0[x8 + y8*h->b8_stride] == 0
                                               || (l1ref0[x8 + y8*h->b8_stride] < 0 && l1ref1[x8 + y8*h->b8_stride] == 0
                                                   && (h->x264_build>33 || !h->x264_build)))){
                     const int16_t (*l1mv)[2]= l1ref0[x8 + y8*h->b8_stride] == 0 ? l1mv0 : l1mv1;
+                    if(IS_SUB_8X8(sub_mb_type)){
+                        const int16_t *mv_col = l1mv[x8*3 + y8*3*h->b_stride];
+                        if(FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1){
+                            if(ref[0] == 0)
+                                fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
+                            if(ref[1] == 0)
+                                fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
+                        }
+                    }else
                     for(i4=0; i4<4; i4++){
                         const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride];
-                        if(ABS(mv_col[0]) <= 1 && ABS(mv_col[1]) <= 1){
+                        if(FFABS(mv_col[0]) <= 1 && FFABS(mv_col[1]) <= 1){
                             if(ref[0] == 0)
                                 *(uint32_t*)h->mv_cache[0][scan8[i8*4+i4]] = 0;
                             if(ref[1] == 0)
@@ -1336,37 +1514,141 @@ static inline void pred_direct_motion(H264Context * const h, int *mb_type){
             }
         }
     }else{ /* direct temporal mv pred */
+        const int *map_col_to_list0[2] = {h->map_col_to_list0[0], h->map_col_to_list0[1]};
+        const int *dist_scale_factor = h->dist_scale_factor;
+
+        if(FRAME_MBAFF){
+            if(IS_INTERLACED(*mb_type)){
+                map_col_to_list0[0] = h->map_col_to_list0_field[0];
+                map_col_to_list0[1] = h->map_col_to_list0_field[1];
+                dist_scale_factor = h->dist_scale_factor_field;
+            }
+            if(IS_INTERLACED(*mb_type) != IS_INTERLACED(mb_type_col)){
+                /* FIXME assumes direct_8x8_inference == 1 */
+                const int pair_xy = s->mb_x + (s->mb_y&~1)*s->mb_stride;
+                int mb_types_col[2];
+                int y_shift;
+
+                *mb_type = MB_TYPE_8x8|MB_TYPE_L0L1
+                         | (is_b8x8 ? 0 : MB_TYPE_DIRECT2)
+                         | (*mb_type & MB_TYPE_INTERLACED);
+                sub_mb_type = MB_TYPE_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2|MB_TYPE_16x16;
+
+                if(IS_INTERLACED(*mb_type)){
+                    /* frame to field scaling */
+                    mb_types_col[0] = h->ref_list[1][0].mb_type[pair_xy];
+                    mb_types_col[1] = h->ref_list[1][0].mb_type[pair_xy+s->mb_stride];
+                    if(s->mb_y&1){
+                        l1ref0 -= 2*h->b8_stride;
+                        l1ref1 -= 2*h->b8_stride;
+                        l1mv0 -= 4*h->b_stride;
+                        l1mv1 -= 4*h->b_stride;
+                    }
+                    y_shift = 0;
+
+                    if(   (mb_types_col[0] & MB_TYPE_16x16_OR_INTRA)
+                       && (mb_types_col[1] & MB_TYPE_16x16_OR_INTRA)
+                       && !is_b8x8)
+                        *mb_type |= MB_TYPE_16x8;
+                    else
+                        *mb_type |= MB_TYPE_8x8;
+                }else{
+                    /* field to frame scaling */
+                    /* col_mb_y = (mb_y&~1) + (topAbsDiffPOC < bottomAbsDiffPOC ? 0 : 1)
+                     * but in MBAFF, top and bottom POC are equal */
+                    int dy = (s->mb_y&1) ? 1 : 2;
+                    mb_types_col[0] =
+                    mb_types_col[1] = h->ref_list[1][0].mb_type[pair_xy+s->mb_stride];
+                    l1ref0 += dy*h->b8_stride;
+                    l1ref1 += dy*h->b8_stride;
+                    l1mv0 += 2*dy*h->b_stride;
+                    l1mv1 += 2*dy*h->b_stride;
+                    y_shift = 2;
+
+                    if((mb_types_col[0] & (MB_TYPE_16x16_OR_INTRA|MB_TYPE_16x8))
+                       && !is_b8x8)
+                        *mb_type |= MB_TYPE_16x16;
+                    else
+                        *mb_type |= MB_TYPE_8x8;
+                }
+
+                for(i8=0; i8<4; i8++){
+                    const int x8 = i8&1;
+                    const int y8 = i8>>1;
+                    int ref0, scale;
+                    const int16_t (*l1mv)[2]= l1mv0;
+
+                    if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
+                        continue;
+                    h->sub_mb_type[i8] = sub_mb_type;
+
+                    fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);
+                    if(IS_INTRA(mb_types_col[y8])){
+                        fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, 0, 1);
+                        fill_rectangle(&h-> mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
+                        fill_rectangle(&h-> mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
+                        continue;
+                    }
+
+                    ref0 = l1ref0[x8 + (y8*2>>y_shift)*h->b8_stride];
+                    if(ref0 >= 0)
+                        ref0 = map_col_to_list0[0][ref0*2>>y_shift];
+                    else{
+                        ref0 = map_col_to_list0[1][l1ref1[x8 + (y8*2>>y_shift)*h->b8_stride]*2>>y_shift];
+                        l1mv= l1mv1;
+                    }
+                    scale = dist_scale_factor[ref0];
+                    fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1);
+
+                    {
+                        const int16_t *mv_col = l1mv[x8*3 + (y8*6>>y_shift)*h->b_stride];
+                        int my_col = (mv_col[1]<<y_shift)/2;
+                        int mx = (scale * mv_col[0] + 128) >> 8;
+                        int my = (scale * my_col + 128) >> 8;
+                        fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mx,my), 4);
+                        fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mx-mv_col[0],my-my_col), 4);
+                    }
+                }
+                return;
+            }
+        }
+
+        /* one-to-one mv scaling */
+
         if(IS_16X16(*mb_type)){
+            int ref, mv0, mv1;
+
             fill_rectangle(&h->ref_cache[1][scan8[0]], 4, 4, 8, 0, 1);
             if(IS_INTRA(mb_type_col)){
-                fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, 0, 1);
-                fill_rectangle(&h-> mv_cache[0][scan8[0]], 4, 4, 8, 0, 4);
-                fill_rectangle(&h-> mv_cache[1][scan8[0]], 4, 4, 8, 0, 4);
+                ref=mv0=mv1=0;
             }else{
-                const int ref0 = l1ref0[0] >= 0 ? h->map_col_to_list0[0][l1ref0[0]]
-                                                : h->map_col_to_list0[1][l1ref1[0]];
-                const int dist_scale_factor = h->dist_scale_factor[ref0];
+                const int ref0 = l1ref0[0] >= 0 ? map_col_to_list0[0][l1ref0[0]]
+                                                : map_col_to_list0[1][l1ref1[0]];
+                const int scale = dist_scale_factor[ref0];
                 const int16_t *mv_col = l1ref0[0] >= 0 ? l1mv0[0] : l1mv1[0];
                 int mv_l0[2];
-                mv_l0[0] = (dist_scale_factor * mv_col[0] + 128) >> 8;
-                mv_l0[1] = (dist_scale_factor * mv_col[1] + 128) >> 8;
-                fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref0, 1);
-                fill_rectangle(&h-> mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mv_l0[0],mv_l0[1]), 4);
-                fill_rectangle(&h-> mv_cache[1][scan8[0]], 4, 4, 8, pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]), 4);
-            }
+                mv_l0[0] = (scale * mv_col[0] + 128) >> 8;
+                mv_l0[1] = (scale * mv_col[1] + 128) >> 8;
+                ref= ref0;
+                mv0= pack16to32(mv_l0[0],mv_l0[1]);
+                mv1= pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]);
+            }
+            fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, ref, 1);
+            fill_rectangle(&h-> mv_cache[0][scan8[0]], 4, 4, 8, mv0, 4);
+            fill_rectangle(&h-> mv_cache[1][scan8[0]], 4, 4, 8, mv1, 4);
         }else{
             for(i8=0; i8<4; i8++){
                 const int x8 = i8&1;
                 const int y8 = i8>>1;
-                int ref0, dist_scale_factor;
+                int ref0, scale;
                 const int16_t (*l1mv)[2]= l1mv0;
 
                 if(is_b8x8 && !IS_DIRECT(h->sub_mb_type[i8]))
                     continue;
                 h->sub_mb_type[i8] = sub_mb_type;
+                fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);
                 if(IS_INTRA(mb_type_col)){
                     fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, 0, 1);
-                    fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);
                     fill_rectangle(&h-> mv_cache[0][scan8[i8*4]], 2, 2, 8, 0, 4);
                     fill_rectangle(&h-> mv_cache[1][scan8[i8*4]], 2, 2, 8, 0, 4);
                     continue;
@@ -1374,20 +1656,26 @@ static inline void pred_direct_motion(H264Context * const h, int *mb_type){
 
                 ref0 = l1ref0[x8 + y8*h->b8_stride];
                 if(ref0 >= 0)
-                    ref0 = h->map_col_to_list0[0][ref0];
+                    ref0 = map_col_to_list0[0][ref0];
                 else{
-                    ref0 = h->map_col_to_list0[1][l1ref1[x8 + y8*h->b8_stride]];
+                    ref0 = map_col_to_list0[1][l1ref1[x8 + y8*h->b8_stride]];
                     l1mv= l1mv1;
                 }
-                dist_scale_factor = h->dist_scale_factor[ref0];
+                scale = dist_scale_factor[ref0];
 
                 fill_rectangle(&h->ref_cache[0][scan8[i8*4]], 2, 2, 8, ref0, 1);
-                fill_rectangle(&h->ref_cache[1][scan8[i8*4]], 2, 2, 8, 0, 1);
+                if(IS_SUB_8X8(sub_mb_type)){
+                    const int16_t *mv_col = l1mv[x8*3 + y8*3*h->b_stride];
+                    int mx = (scale * mv_col[0] + 128) >> 8;
+                    int my = (scale * mv_col[1] + 128) >> 8;
+                    fill_rectangle(&h->mv_cache[0][scan8[i8*4]], 2, 2, 8, pack16to32(mx,my), 4);
+                    fill_rectangle(&h->mv_cache[1][scan8[i8*4]], 2, 2, 8, pack16to32(mx-mv_col[0],my-mv_col[1]), 4);
+                }else
                 for(i4=0; i4<4; i4++){
                     const int16_t *mv_col = l1mv[x8*2 + (i4&1) + (y8*2 + (i4>>1))*h->b_stride];
                     int16_t *mv_l0 = h->mv_cache[0][scan8[i8*4+i4]];
-                    mv_l0[0] = (dist_scale_factor * mv_col[0] + 128) >> 8;
-                    mv_l0[1] = (dist_scale_factor * mv_col[1] + 128) >> 8;
+                    mv_l0[0] = (scale * mv_col[0] + 128) >> 8;
+                    mv_l0[1] = (scale * mv_col[1] + 128) >> 8;
                     *(uint32_t*)h->mv_cache[1][scan8[i8*4+i4]] =
                         pack16to32(mv_l0[0]-mv_col[0],mv_l0[1]-mv_col[1]);
                 }
@@ -1402,50 +1690,43 @@ static inline void write_back_motion(H264Context *h, int mb_type){
     const int b8_xy= 2*s->mb_x + 2*s->mb_y*h->b8_stride;
     int list;
 
-    for(list=0; list<2; list++){
+    if(!USES_LIST(mb_type, 0))
+        fill_rectangle(&s->current_picture.ref_index[0][b8_xy], 2, 2, h->b8_stride, (uint8_t)LIST_NOT_USED, 1);
+
+    for(list=0; list<h->list_count; list++){
         int y;
-        if(!USES_LIST(mb_type, list)){
-            if(1){ //FIXME skip or never read if mb_type doesn't use it
-                for(y=0; y<4; y++){
-                    *(uint64_t*)s->current_picture.motion_val[list][b_xy + 0 + y*h->b_stride]=
-                    *(uint64_t*)s->current_picture.motion_val[list][b_xy + 2 + y*h->b_stride]= 0;
-                }
-                if( h->pps.cabac ) {
-                    /* FIXME needed ? */
-                    for(y=0; y<4; y++){
-                        *(uint64_t*)h->mvd_table[list][b_xy + 0 + y*h->b_stride]=
-                        *(uint64_t*)h->mvd_table[list][b_xy + 2 + y*h->b_stride]= 0;
-                    }
-                }
-                for(y=0; y<2; y++){
-                    s->current_picture.ref_index[list][b8_xy + 0 + y*h->b8_stride]=
-                    s->current_picture.ref_index[list][b8_xy + 1 + y*h->b8_stride]= LIST_NOT_USED;
-                }
-            }
+        if(!USES_LIST(mb_type, list))
             continue;
-        }
 
         for(y=0; y<4; y++){
             *(uint64_t*)s->current_picture.motion_val[list][b_xy + 0 + y*h->b_stride]= *(uint64_t*)h->mv_cache[list][scan8[0]+0 + 8*y];
             *(uint64_t*)s->current_picture.motion_val[list][b_xy + 2 + y*h->b_stride]= *(uint64_t*)h->mv_cache[list][scan8[0]+2 + 8*y];
         }
         if( h->pps.cabac ) {
+            if(IS_SKIP(mb_type))
+                fill_rectangle(h->mvd_table[list][b_xy], 4, 4, h->b_stride, 0, 4);
+            else
             for(y=0; y<4; y++){
                 *(uint64_t*)h->mvd_table[list][b_xy + 0 + y*h->b_stride]= *(uint64_t*)h->mvd_cache[list][scan8[0]+0 + 8*y];
                 *(uint64_t*)h->mvd_table[list][b_xy + 2 + y*h->b_stride]= *(uint64_t*)h->mvd_cache[list][scan8[0]+2 + 8*y];
             }
         }
-        for(y=0; y<2; y++){
-            s->current_picture.ref_index[list][b8_xy + 0 + y*h->b8_stride]= h->ref_cache[list][scan8[0]+0 + 16*y];
-            s->current_picture.ref_index[list][b8_xy + 1 + y*h->b8_stride]= h->ref_cache[list][scan8[0]+2 + 16*y];
+
+        {
+            int8_t *ref_index = &s->current_picture.ref_index[list][b8_xy];
+            ref_index[0+0*h->b8_stride]= h->ref_cache[list][scan8[0]];
+            ref_index[1+0*h->b8_stride]= h->ref_cache[list][scan8[4]];
+            ref_index[0+1*h->b8_stride]= h->ref_cache[list][scan8[8]];
+            ref_index[1+1*h->b8_stride]= h->ref_cache[list][scan8[12]];
         }
     }
 
     if(h->slice_type == B_TYPE && h->pps.cabac){
         if(IS_8X8(mb_type)){
-            h->direct_table[b8_xy+1+0*h->b8_stride] = IS_DIRECT(h->sub_mb_type[1]) ? 1 : 0;
-            h->direct_table[b8_xy+0+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[2]) ? 1 : 0;
-            h->direct_table[b8_xy+1+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[3]) ? 1 : 0;
+            uint8_t *direct_table = &h->direct_table[b8_xy];
+            direct_table[1+0*h->b8_stride] = IS_DIRECT(h->sub_mb_type[1]) ? 1 : 0;
+            direct_table[0+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[2]) ? 1 : 0;
+            direct_table[1+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[3]) ? 1 : 0;
         }
     }
 }
@@ -1461,7 +1742,7 @@ static uint8_t *decode_nal(H264Context *h, uint8_t *src, int *dst_length, int *c
     int i, si, di;
     uint8_t *dst;
 
-//    src[0]&0x80;             //forbidden bit
+//    src[0]&0x80;                //forbidden bit
     h->nal_ref_idc= src[0]>>5;
     h->nal_unit_type= src[0]&0x1F;
 
@@ -1491,6 +1772,10 @@ static uint8_t *decode_nal(H264Context *h, uint8_t *src, int *dst_length, int *c
     h->rbsp_buffer= av_fast_realloc(h->rbsp_buffer, &h->rbsp_buffer_size, length);
     dst= h->rbsp_buffer;
 
+    if (dst == NULL){
+        return NULL;
+    }
+
 //printf("decoding esc\n");
     si=di=0;
     while(si<length){
@@ -1514,90 +1799,15 @@ static uint8_t *decode_nal(H264Context *h, uint8_t *src, int *dst_length, int *c
     return dst;
 }
 
-#if 0
-/**
- * @param src the data which should be escaped
- * @param dst the target buffer, dst+1 == src is allowed as a special case
- * @param length the length of the src data
- * @param dst_length the length of the dst array
- * @returns length of escaped data in bytes or -1 if an error occured
- */
-static int encode_nal(H264Context *h, uint8_t *dst, uint8_t *src, int length, int dst_length){
-    int i, escape_count, si, di;
-    uint8_t *temp;
-
-    assert(length>=0);
-    assert(dst_length>0);
-
-    dst[0]= (h->nal_ref_idc<<5) + h->nal_unit_type;
-
-    if(length==0) return 1;
-
-    escape_count= 0;
-    for(i=0; i<length; i+=2){
-        if(src[i]) continue;
-        if(i>0 && src[i-1]==0)
-            i--;
-        if(i+2<length && src[i+1]==0 && src[i+2]<=3){
-            escape_count++;
-            i+=2;
-        }
-    }
-
-    if(escape_count==0){
-        if(dst+1 != src)
-            memcpy(dst+1, src, length);
-        return length + 1;
-    }
-
-    if(length + escape_count + 1> dst_length)
-        return -1;
-
-    //this should be damn rare (hopefully)
-
-    h->rbsp_buffer= av_fast_realloc(h->rbsp_buffer, &h->rbsp_buffer_size, length + escape_count);
-    temp= h->rbsp_buffer;
-//printf("encoding esc\n");
-
-    si= 0;
-    di= 0;
-    while(si < length){
-        if(si+2<length && src[si]==0 && src[si+1]==0 && src[si+2]<=3){
-            temp[di++]= 0; si++;
-            temp[di++]= 0; si++;
-            temp[di++]= 3;
-            temp[di++]= src[si++];
-        }
-        else
-            temp[di++]= src[si++];
-    }
-    memcpy(dst+1, temp, length+escape_count);
-
-    assert(di == length+escape_count);
-
-    return di + 1;
-}
-
-/**
- * write 1,10,100,1000,... for alignment, yes its exactly inverse to mpeg4
- */
-static void encode_rbsp_trailing(PutBitContext *pb){
-    int length;
-    put_bits(pb, 1, 1);
-    length= (-put_bits_count(pb))&7;
-    if(length) put_bits(pb, length, 0);
-}
-#endif
-
 /**
  * identifies the exact end of the bitstream
  * @return the length of the trailing, or 0 if damaged
  */
-static int decode_rbsp_trailing(uint8_t *src){
+static int decode_rbsp_trailing(H264Context *h, uint8_t *src){
     int v= *src;
     int r;
 
-    tprintf("rbsp trailing %X\n", v);
+    tprintf(h->s.avctx, "rbsp trailing %X\n", v);
 
     for(r=1; r<9; r++){
         if(v&1) return r;
@@ -1738,48 +1948,12 @@ static void chroma_dc_dct_c(DCTELEM *block){
  */
 static inline int get_chroma_qp(int chroma_qp_index_offset, int qscale){
 
-    return chroma_qp[clip(qscale + chroma_qp_index_offset, 0, 51)];
-}
-
-
-#if 0
-static void h264_diff_dct_c(DCTELEM *block, uint8_t *src1, uint8_t *src2, int stride){
-    int i;
-    //FIXME try int temp instead of block
-
-    for(i=0; i<4; i++){
-        const int d0= src1[0 + i*stride] - src2[0 + i*stride];
-        const int d1= src1[1 + i*stride] - src2[1 + i*stride];
-        const int d2= src1[2 + i*stride] - src2[2 + i*stride];
-        const int d3= src1[3 + i*stride] - src2[3 + i*stride];
-        const int z0= d0 + d3;
-        const int z3= d0 - d3;
-        const int z1= d1 + d2;
-        const int z2= d1 - d2;
-
-        block[0 + 4*i]=   z0 +   z1;
-        block[1 + 4*i]= 2*z3 +   z2;
-        block[2 + 4*i]=   z0 -   z1;
-        block[3 + 4*i]=   z3 - 2*z2;
-    }
-
-    for(i=0; i<4; i++){
-        const int z0= block[0*4 + i] + block[3*4 + i];
-        const int z3= block[0*4 + i] - block[3*4 + i];
-        const int z1= block[1*4 + i] + block[2*4 + i];
-        const int z2= block[1*4 + i] - block[2*4 + i];
-
-        block[0*4 + i]=   z0 +   z1;
-        block[1*4 + i]= 2*z3 +   z2;
-        block[2*4 + i]=   z0 -   z1;
-        block[3*4 + i]=   z3 - 2*z2;
-    }
+    return chroma_qp[av_clip(qscale + chroma_qp_index_offset, 0, 51)];
 }
-#endif
 
 //FIXME need to check that this doesnt overflow signed 32 bit for low qp, i am not sure, it's very close
-//FIXME check that gcc inlines this (and optimizes intra & seperate_dc stuff away)
-static inline int quantize_c(DCTELEM *block, uint8_t *scantable, int qscale, int intra, int seperate_dc){
+//FIXME check that gcc inlines this (and optimizes intra & separate_dc stuff away)
+static inline int quantize_c(DCTELEM *block, uint8_t *scantable, int qscale, int intra, int separate_dc){
     int i;
     const int * const quant_table= quant_coeff[qscale];
     const int bias= intra ? (1<<QUANT_SHIFT)/3 : (1<<QUANT_SHIFT)/6;
@@ -1787,7 +1961,7 @@ static inline int quantize_c(DCTELEM *block, uint8_t *scantable, int qscale, int
     const unsigned int threshold2= (threshold1<<1);
     int last_non_zero;
 
-    if(seperate_dc){
+    if(separate_dc){
         if(qscale<=18){
             //avoid overflows
             const int dc_bias= intra ? (1<<(QUANT_SHIFT-2))/3 : (1<<(QUANT_SHIFT-2))/6;
@@ -2063,7 +2237,7 @@ static void pred4x4_horizontal_down_c(uint8_t *src, uint8_t *topright, int strid
     src[1+3*stride]=(l1 + 2*l2 + l3 + 2)>>2;
 }
 
-static void pred16x16_vertical_c(uint8_t *src, int stride){
+void ff_pred16x16_vertical_c(uint8_t *src, int stride){
     int i;
     const uint32_t a= ((uint32_t*)(src-stride))[0];
     const uint32_t b= ((uint32_t*)(src-stride))[1];
@@ -2078,7 +2252,7 @@ static void pred16x16_vertical_c(uint8_t *src, int stride){
     }
 }
 
-static void pred16x16_horizontal_c(uint8_t *src, int stride){
+void ff_pred16x16_horizontal_c(uint8_t *src, int stride){
     int i;
 
     for(i=0; i<16; i++){
@@ -2089,7 +2263,7 @@ static void pred16x16_horizontal_c(uint8_t *src, int stride){
     }
 }
 
-static void pred16x16_dc_c(uint8_t *src, int stride){
+void ff_pred16x16_dc_c(uint8_t *src, int stride){
     int i, dc=0;
 
     for(i=0;i<16; i++){
@@ -2143,7 +2317,7 @@ static void pred16x16_top_dc_c(uint8_t *src, int stride){
     }
 }
 
-static void pred16x16_128_dc_c(uint8_t *src, int stride){
+void ff_pred16x16_128_dc_c(uint8_t *src, int stride){
     int i;
 
     for(i=0; i<16; i++){
@@ -2157,7 +2331,7 @@ static void pred16x16_128_dc_c(uint8_t *src, int stride){
 static inline void pred16x16_plane_compat_c(uint8_t *src, int stride, const int svq3){
   int i, j, k;
   int a;
-  uint8_t *cm = cropTbl + MAX_NEG_CROP;
+  uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
   const uint8_t * const src0 = src+7-stride;
   const uint8_t *src1 = src+8*stride-1;
   const uint8_t *src2 = src1-2*stride;      // == src+6*stride-1;
@@ -2194,11 +2368,11 @@ static inline void pred16x16_plane_compat_c(uint8_t *src, int stride, const int
   }
 }
 
-static void pred16x16_plane_c(uint8_t *src, int stride){
+void ff_pred16x16_plane_c(uint8_t *src, int stride){
     pred16x16_plane_compat_c(src, stride, 0);
 }
 
-static void pred8x8_vertical_c(uint8_t *src, int stride){
+void ff_pred8x8_vertical_c(uint8_t *src, int stride){
     int i;
     const uint32_t a= ((uint32_t*)(src-stride))[0];
     const uint32_t b= ((uint32_t*)(src-stride))[1];
@@ -2209,7 +2383,7 @@ static void pred8x8_vertical_c(uint8_t *src, int stride){
     }
 }
 
-static void pred8x8_horizontal_c(uint8_t *src, int stride){
+void ff_pred8x8_horizontal_c(uint8_t *src, int stride){
     int i;
 
     for(i=0; i<8; i++){
@@ -2218,7 +2392,7 @@ static void pred8x8_horizontal_c(uint8_t *src, int stride){
     }
 }
 
-static void pred8x8_128_dc_c(uint8_t *src, int stride){
+void ff_pred8x8_128_dc_c(uint8_t *src, int stride){
     int i;
 
     for(i=0; i<8; i++){
@@ -2272,7 +2446,7 @@ static void pred8x8_top_dc_c(uint8_t *src, int stride){
 }
 
 
-static void pred8x8_dc_c(uint8_t *src, int stride){
+void ff_pred8x8_dc_c(uint8_t *src, int stride){
     int i;
     int dc0, dc1, dc2, dc3;
 
@@ -2297,10 +2471,10 @@ static void pred8x8_dc_c(uint8_t *src, int stride){
     }
 }
 
-static void pred8x8_plane_c(uint8_t *src, int stride){
+void ff_pred8x8_plane_c(uint8_t *src, int stride){
   int j, k;
   int a;
-  uint8_t *cm = cropTbl + MAX_NEG_CROP;
+  uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
   const uint8_t * const src0 = src+3-stride;
   const uint8_t *src1 = src+4*stride-1;
   const uint8_t *src2 = src1-2*stride;      // == src+2*stride-1;
@@ -2578,20 +2752,20 @@ static inline void mc_dir_part(H264Context *h, Picture *pic, int n, int square,
                            qpel_mc_func *qpix_op, h264_chroma_mc_func chroma_op){
     MpegEncContext * const s = &h->s;
     const int mx= h->mv_cache[list][ scan8[n] ][0] + src_x_offset*8;
-    const int my= h->mv_cache[list][ scan8[n] ][1] + src_y_offset*8;
+    int my=       h->mv_cache[list][ scan8[n] ][1] + src_y_offset*8;
     const int luma_xy= (mx&3) + ((my&3)<<2);
-    uint8_t * src_y = pic->data[0] + (mx>>2) + (my>>2)*s->linesize;
-    uint8_t * src_cb= pic->data[1] + (mx>>3) + (my>>3)*s->uvlinesize;
-    uint8_t * src_cr= pic->data[2] + (mx>>3) + (my>>3)*s->uvlinesize;
-    int extra_width= (s->flags&CODEC_FLAG_EMU_EDGE) ? 0 : 16; //FIXME increase edge?, IMHO not worth it
-    int extra_height= extra_width;
+    uint8_t * src_y = pic->data[0] + (mx>>2) + (my>>2)*h->mb_linesize;
+    uint8_t * src_cb, * src_cr;
+    int extra_width= h->emu_edge_width;
+    int extra_height= h->emu_edge_height;
     int emu=0;
     const int full_mx= mx>>2;
     const int full_my= my>>2;
     const int pic_width  = 16*s->mb_width;
-    const int pic_height = 16*s->mb_height;
+    const int pic_height = 16*s->mb_height >> MB_MBAFF;
 
-    assert(pic->data[0]);
+    if(!pic->data[0]) //FIXME this is unacceptable, some senseable error concealment must be done for missing reference frames
+        return;
 
     if(mx&7) extra_width -= 3;
     if(my&7) extra_height -= 3;
@@ -2600,29 +2774,37 @@ static inline void mc_dir_part(H264Context *h, Picture *pic, int n, int square,
        || full_my < 0-extra_height
        || full_mx + 16/*FIXME*/ > pic_width + extra_width
        || full_my + 16/*FIXME*/ > pic_height + extra_height){
-        ff_emulated_edge_mc(s->edge_emu_buffer, src_y - 2 - 2*s->linesize, s->linesize, 16+5, 16+5/*FIXME*/, full_mx-2, full_my-2, pic_width, pic_height);
-            src_y= s->edge_emu_buffer + 2 + 2*s->linesize;
+        ff_emulated_edge_mc(s->edge_emu_buffer, src_y - 2 - 2*h->mb_linesize, h->mb_linesize, 16+5, 16+5/*FIXME*/, full_mx-2, full_my-2, pic_width, pic_height);
+            src_y= s->edge_emu_buffer + 2 + 2*h->mb_linesize;
         emu=1;
     }
 
-    qpix_op[luma_xy](dest_y, src_y, s->linesize); //FIXME try variable height perhaps?
+    qpix_op[luma_xy](dest_y, src_y, h->mb_linesize); //FIXME try variable height perhaps?
     if(!square){
-        qpix_op[luma_xy](dest_y + delta, src_y + delta, s->linesize);
+        qpix_op[luma_xy](dest_y + delta, src_y + delta, h->mb_linesize);
     }
 
     if(s->flags&CODEC_FLAG_GRAY) return;
 
+    if(MB_MBAFF){
+        // chroma offset when predicting from a field of opposite parity
+        my += 2 * ((s->mb_y & 1) - (h->ref_cache[list][scan8[n]] & 1));
+        emu |= (my>>3) < 0 || (my>>3) + 8 >= (pic_height>>1);
+    }
+    src_cb= pic->data[1] + (mx>>3) + (my>>3)*h->mb_uvlinesize;
+    src_cr= pic->data[2] + (mx>>3) + (my>>3)*h->mb_uvlinesize;
+
     if(emu){
-        ff_emulated_edge_mc(s->edge_emu_buffer, src_cb, s->uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1);
+        ff_emulated_edge_mc(s->edge_emu_buffer, src_cb, h->mb_uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1);
             src_cb= s->edge_emu_buffer;
     }
-    chroma_op(dest_cb, src_cb, s->uvlinesize, chroma_height, mx&7, my&7);
+    chroma_op(dest_cb, src_cb, h->mb_uvlinesize, chroma_height, mx&7, my&7);
 
     if(emu){
-        ff_emulated_edge_mc(s->edge_emu_buffer, src_cr, s->uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1);
+        ff_emulated_edge_mc(s->edge_emu_buffer, src_cr, h->mb_uvlinesize, 9, 9/*FIXME*/, (mx>>3), (my>>3), pic_width>>1, pic_height>>1);
             src_cr= s->edge_emu_buffer;
     }
-    chroma_op(dest_cr, src_cr, s->uvlinesize, chroma_height, mx&7, my&7);
+    chroma_op(dest_cr, src_cr, h->mb_uvlinesize, chroma_height, mx&7, my&7);
 }
 
 static inline void mc_part_std(H264Context *h, int n, int square, int chroma_height, int delta,
@@ -2635,11 +2817,11 @@ static inline void mc_part_std(H264Context *h, int n, int square, int chroma_hei
     qpel_mc_func *qpix_op=  qpix_put;
     h264_chroma_mc_func chroma_op= chroma_put;
 
-    dest_y  += 2*x_offset + 2*y_offset*s->  linesize;
-    dest_cb +=   x_offset +   y_offset*s->uvlinesize;
-    dest_cr +=   x_offset +   y_offset*s->uvlinesize;
+    dest_y  += 2*x_offset + 2*y_offset*h->  mb_linesize;
+    dest_cb +=   x_offset +   y_offset*h->mb_uvlinesize;
+    dest_cr +=   x_offset +   y_offset*h->mb_uvlinesize;
     x_offset += 8*s->mb_x;
-    y_offset += 8*s->mb_y;
+    y_offset += 8*(s->mb_y >> MB_MBAFF);
 
     if(list0){
         Picture *ref= &h->ref_list[0][ h->ref_cache[0][ scan8[n] ] ];
@@ -2668,18 +2850,18 @@ static inline void mc_part_weighted(H264Context *h, int n, int square, int chrom
                            int list0, int list1){
     MpegEncContext * const s = &h->s;
 
-    dest_y  += 2*x_offset + 2*y_offset*s->  linesize;
-    dest_cb +=   x_offset +   y_offset*s->uvlinesize;
-    dest_cr +=   x_offset +   y_offset*s->uvlinesize;
+    dest_y  += 2*x_offset + 2*y_offset*h->  mb_linesize;
+    dest_cb +=   x_offset +   y_offset*h->mb_uvlinesize;
+    dest_cr +=   x_offset +   y_offset*h->mb_uvlinesize;
     x_offset += 8*s->mb_x;
-    y_offset += 8*s->mb_y;
+    y_offset += 8*(s->mb_y >> MB_MBAFF);
 
     if(list0 && list1){
         /* don't optimize for luma-only case, since B-frames usually
          * use implicit weights => chroma too. */
         uint8_t *tmp_cb = s->obmc_scratchpad;
-        uint8_t *tmp_cr = tmp_cb + 8*s->uvlinesize;
-        uint8_t *tmp_y  = tmp_cr + 8*s->uvlinesize;
+        uint8_t *tmp_cr = s->obmc_scratchpad + 8;
+        uint8_t *tmp_y  = s->obmc_scratchpad + 8*h->mb_uvlinesize;
         int refn0 = h->ref_cache[0][ scan8[n] ];
         int refn1 = h->ref_cache[1][ scan8[n] ];
 
@@ -2693,19 +2875,19 @@ static inline void mc_part_weighted(H264Context *h, int n, int square, int chrom
         if(h->use_weight == 2){
             int weight0 = h->implicit_weight[refn0][refn1];
             int weight1 = 64 - weight0;
-            luma_weight_avg(  dest_y,  tmp_y,  s->  linesize, 5, weight0, weight1, 0, 0);
-            chroma_weight_avg(dest_cb, tmp_cb, s->uvlinesize, 5, weight0, weight1, 0, 0);
-            chroma_weight_avg(dest_cr, tmp_cr, s->uvlinesize, 5, weight0, weight1, 0, 0);
+            luma_weight_avg(  dest_y,  tmp_y,  h->  mb_linesize, 5, weight0, weight1, 0);
+            chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize, 5, weight0, weight1, 0);
+            chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize, 5, weight0, weight1, 0);
         }else{
-            luma_weight_avg(dest_y, tmp_y, s->linesize, h->luma_log2_weight_denom,
+            luma_weight_avg(dest_y, tmp_y, h->mb_linesize, h->luma_log2_weight_denom,
                             h->luma_weight[0][refn0], h->luma_weight[1][refn1],
-                            h->luma_offset[0][refn0], h->luma_offset[1][refn1]);
-            chroma_weight_avg(dest_cb, tmp_cb, s->uvlinesize, h->chroma_log2_weight_denom,
+                            h->luma_offset[0][refn0] + h->luma_offset[1][refn1]);
+            chroma_weight_avg(dest_cb, tmp_cb, h->mb_uvlinesize, h->chroma_log2_weight_denom,
                             h->chroma_weight[0][refn0][0], h->chroma_weight[1][refn1][0],
-                            h->chroma_offset[0][refn0][0], h->chroma_offset[1][refn1][0]);
-            chroma_weight_avg(dest_cr, tmp_cr, s->uvlinesize, h->chroma_log2_weight_denom,
+                            h->chroma_offset[0][refn0][0] + h->chroma_offset[1][refn1][0]);
+            chroma_weight_avg(dest_cr, tmp_cr, h->mb_uvlinesize, h->chroma_log2_weight_denom,
                             h->chroma_weight[0][refn0][1], h->chroma_weight[1][refn1][1],
-                            h->chroma_offset[0][refn0][1], h->chroma_offset[1][refn1][1]);
+                            h->chroma_offset[0][refn0][1] + h->chroma_offset[1][refn1][1]);
         }
     }else{
         int list = list1 ? 1 : 0;
@@ -2715,12 +2897,12 @@ static inline void mc_part_weighted(H264Context *h, int n, int square, int chrom
                     dest_y, dest_cb, dest_cr, x_offset, y_offset,
                     qpix_put, chroma_put);
 
-        luma_weight_op(dest_y, s->linesize, h->luma_log2_weight_denom,
+        luma_weight_op(dest_y, h->mb_linesize, h->luma_log2_weight_denom,
                        h->luma_weight[list][refn], h->luma_offset[list][refn]);
         if(h->use_weight_chroma){
-            chroma_weight_op(dest_cb, s->uvlinesize, h->chroma_log2_weight_denom,
+            chroma_weight_op(dest_cb, h->mb_uvlinesize, h->chroma_log2_weight_denom,
                              h->chroma_weight[list][refn][0], h->chroma_offset[list][refn][0]);
-            chroma_weight_op(dest_cr, s->uvlinesize, h->chroma_log2_weight_denom,
+            chroma_weight_op(dest_cr, h->mb_uvlinesize, h->chroma_log2_weight_denom,
                              h->chroma_weight[list][refn][1], h->chroma_offset[list][refn][1]);
         }
     }
@@ -2744,6 +2926,22 @@ static inline void mc_part(H264Context *h, int n, int square, int chroma_height,
                     x_offset, y_offset, qpix_put, chroma_put, qpix_avg, chroma_avg, list0, list1);
 }
 
+static inline void prefetch_motion(H264Context *h, int list){
+    /* fetch pixels for estimated mv 4 macroblocks ahead
+     * optimized for 64byte cache lines */
+    MpegEncContext * const s = &h->s;
+    const int refn = h->ref_cache[list][scan8[0]];
+    if(refn >= 0){
+        const int mx= (h->mv_cache[list][scan8[0]][0]>>2) + 16*s->mb_x + 8;
+        const int my= (h->mv_cache[list][scan8[0]][1]>>2) + 16*s->mb_y;
+        uint8_t **src= h->ref_list[list][refn].data;
+        int off= mx + (my + (s->mb_x&3)*4)*h->mb_linesize + 64;
+        s->dsp.prefetch(src[0]+off, s->linesize, 4);
+        off= (mx>>1) + ((my>>1) + (s->mb_x&7))*s->uvlinesize + 64;
+        s->dsp.prefetch(src[1]+off, src[2]-src[1], 2);
+    }
+}
+
 static void hl_motion(H264Context *h, uint8_t *dest_y, uint8_t *dest_cb, uint8_t *dest_cr,
                       qpel_mc_func (*qpix_put)[16], h264_chroma_mc_func (*chroma_put),
                       qpel_mc_func (*qpix_avg)[16], h264_chroma_mc_func (*chroma_avg),
@@ -2754,6 +2952,8 @@ static void hl_motion(H264Context *h, uint8_t *dest_y, uint8_t *dest_cb, uint8_t
 
     assert(IS_INTER(mb_type));
 
+    prefetch_motion(h, 0);
+
     if(IS_16X16(mb_type)){
         mc_part(h, 0, 1, 8, 0, dest_y, dest_cb, dest_cr, 0, 0,
                 qpix_put[0], chroma_put[0], qpix_avg[0], chroma_avg[0],
@@ -2769,11 +2969,11 @@ static void hl_motion(H264Context *h, uint8_t *dest_y, uint8_t *dest_cb, uint8_t
                 &weight_op[1], &weight_avg[1],
                 IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
     }else if(IS_8X16(mb_type)){
-        mc_part(h, 0, 0, 8, 8*s->linesize, dest_y, dest_cb, dest_cr, 0, 0,
+        mc_part(h, 0, 0, 8, 8*h->mb_linesize, dest_y, dest_cb, dest_cr, 0, 0,
                 qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
                 &weight_op[2], &weight_avg[2],
                 IS_DIR(mb_type, 0, 0), IS_DIR(mb_type, 0, 1));
-        mc_part(h, 4, 0, 8, 8*s->linesize, dest_y, dest_cb, dest_cr, 4, 0,
+        mc_part(h, 4, 0, 8, 8*h->mb_linesize, dest_y, dest_cb, dest_cr, 4, 0,
                 qpix_put[1], chroma_put[1], qpix_avg[1], chroma_avg[1],
                 &weight_op[2], &weight_avg[2],
                 IS_DIR(mb_type, 1, 0), IS_DIR(mb_type, 1, 1));
@@ -2803,11 +3003,11 @@ static void hl_motion(H264Context *h, uint8_t *dest_y, uint8_t *dest_cb, uint8_t
                     &weight_op[4], &weight_avg[4],
                     IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
             }else if(IS_SUB_4X8(sub_mb_type)){
-                mc_part(h, n  , 0, 4, 4*s->linesize, dest_y, dest_cb, dest_cr, x_offset, y_offset,
+                mc_part(h, n  , 0, 4, 4*h->mb_linesize, dest_y, dest_cb, dest_cr, x_offset, y_offset,
                     qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
                     &weight_op[5], &weight_avg[5],
                     IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
-                mc_part(h, n+1, 0, 4, 4*s->linesize, dest_y, dest_cb, dest_cr, x_offset+2, y_offset,
+                mc_part(h, n+1, 0, 4, 4*h->mb_linesize, dest_y, dest_cb, dest_cr, x_offset+2, y_offset,
                     qpix_put[2], chroma_put[2], qpix_avg[2], chroma_avg[2],
                     &weight_op[5], &weight_avg[5],
                     IS_DIR(sub_mb_type, 0, 0), IS_DIR(sub_mb_type, 0, 1));
@@ -2825,9 +3025,11 @@ static void hl_motion(H264Context *h, uint8_t *dest_y, uint8_t *dest_cb, uint8_t
             }
         }
     }
+
+    prefetch_motion(h, 1);
 }
 
-static void decode_init_vlc(H264Context *h){
+static void decode_init_vlc(void){
     static int done = 0;
 
     if (!done) {
@@ -2898,21 +3100,21 @@ static void init_pred_ptrs(H264Context *h){
     h->pred8x8l[TOP_DC_PRED         ]= pred8x8l_top_dc_c;
     h->pred8x8l[DC_128_PRED         ]= pred8x8l_128_dc_c;
 
-    h->pred8x8[DC_PRED8x8     ]= pred8x8_dc_c;
-    h->pred8x8[VERT_PRED8x8   ]= pred8x8_vertical_c;
-    h->pred8x8[HOR_PRED8x8    ]= pred8x8_horizontal_c;
-    h->pred8x8[PLANE_PRED8x8  ]= pred8x8_plane_c;
+    h->pred8x8[DC_PRED8x8     ]= ff_pred8x8_dc_c;
+    h->pred8x8[VERT_PRED8x8   ]= ff_pred8x8_vertical_c;
+    h->pred8x8[HOR_PRED8x8    ]= ff_pred8x8_horizontal_c;
+    h->pred8x8[PLANE_PRED8x8  ]= ff_pred8x8_plane_c;
     h->pred8x8[LEFT_DC_PRED8x8]= pred8x8_left_dc_c;
     h->pred8x8[TOP_DC_PRED8x8 ]= pred8x8_top_dc_c;
-    h->pred8x8[DC_128_PRED8x8 ]= pred8x8_128_dc_c;
+    h->pred8x8[DC_128_PRED8x8 ]= ff_pred8x8_128_dc_c;
 
-    h->pred16x16[DC_PRED8x8     ]= pred16x16_dc_c;
-    h->pred16x16[VERT_PRED8x8   ]= pred16x16_vertical_c;
-    h->pred16x16[HOR_PRED8x8    ]= pred16x16_horizontal_c;
-    h->pred16x16[PLANE_PRED8x8  ]= pred16x16_plane_c;
+    h->pred16x16[DC_PRED8x8     ]= ff_pred16x16_dc_c;
+    h->pred16x16[VERT_PRED8x8   ]= ff_pred16x16_vertical_c;
+    h->pred16x16[HOR_PRED8x8    ]= ff_pred16x16_horizontal_c;
+    h->pred16x16[PLANE_PRED8x8  ]= ff_pred16x16_plane_c;
     h->pred16x16[LEFT_DC_PRED8x8]= pred16x16_left_dc_c;
     h->pred16x16[TOP_DC_PRED8x8 ]= pred16x16_top_dc_c;
-    h->pred16x16[DC_128_PRED8x8 ]= pred16x16_128_dc_c;
+    h->pred16x16[DC_128_PRED8x8 ]= ff_pred16x16_128_dc_c;
 }
 
 static void free_tables(H264Context *h){
@@ -2936,6 +3138,7 @@ static void free_tables(H264Context *h){
 
 static void init_dequant8_coeff_table(H264Context *h){
     int i,q,x;
+    const int transpose = (h->s.dsp.h264_idct8_add != ff_h264_idct8_add_c); //FIXME ugly
     h->dequant8_coeff[0] = h->dequant8_buffer[0];
     h->dequant8_coeff[1] = h->dequant8_buffer[1];
 
@@ -2946,17 +3149,19 @@ static void init_dequant8_coeff_table(H264Context *h){
         }
 
         for(q=0; q<52; q++){
-            int shift = div6[q];
-            int idx = rem6[q];
+            int shift = ff_div6[q];
+            int idx = ff_rem6[q];
             for(x=0; x<64; x++)
-                h->dequant8_coeff[i][q][x] = ((uint32_t)dequant8_coeff_init[idx][
-                    dequant8_coeff_init_scan[((x>>1)&12) | (x&3)] ] * h->pps.scaling_matrix8[i][x]) << shift;
+                h->dequant8_coeff[i][q][transpose ? (x>>3)|((x&7)<<3) : x] =
+                    ((uint32_t)dequant8_coeff_init[idx][ dequant8_coeff_init_scan[((x>>1)&12) | (x&3)] ] *
+                    h->pps.scaling_matrix8[i][x]) << shift;
         }
     }
 }
 
 static void init_dequant4_coeff_table(H264Context *h){
     int i,j,q,x;
+    const int transpose = (h->s.dsp.h264_idct_add != ff_h264_idct_add_c); //FIXME ugly
     for(i=0; i<6; i++ ){
         h->dequant4_coeff[i] = h->dequant4_buffer[i];
         for(j=0; j<i; j++){
@@ -2969,10 +3174,11 @@ static void init_dequant4_coeff_table(H264Context *h){
             continue;
 
         for(q=0; q<52; q++){
-            int shift = div6[q] + 2;
-            int idx = rem6[q];
+            int shift = ff_div6[q] + 2;
+            int idx = ff_rem6[q];
             for(x=0; x<16; x++)
-                h->dequant4_coeff[i][q][x] = ((uint32_t)dequant4_coeff_init[idx][(x&1) + ((x>>2)&1)] *
+                h->dequant4_coeff[i][q][transpose ? (x>>2)|((x<<2)&0xF) : x] =
+                    ((uint32_t)dequant4_coeff_init[idx][(x&1) + ((x>>2)&1)] *
                     h->pps.scaling_matrix4[i][x]) << shift;
         }
     }
@@ -3007,7 +3213,7 @@ static int alloc_tables(H264Context *h){
     CHECKED_ALLOCZ(h->intra4x4_pred_mode, big_mb_num * 8  * sizeof(uint8_t))
 
     CHECKED_ALLOCZ(h->non_zero_count    , big_mb_num * 16 * sizeof(uint8_t))
-    CHECKED_ALLOCZ(h->slice_table_base  , big_mb_num * sizeof(uint8_t))
+    CHECKED_ALLOCZ(h->slice_table_base  , (big_mb_num+s->mb_stride) * sizeof(uint8_t))
     CHECKED_ALLOCZ(h->top_borders[0]    , s->mb_width * (16+8+8) * sizeof(uint8_t))
     CHECKED_ALLOCZ(h->top_borders[1]    , s->mb_width * (16+8+8) * sizeof(uint8_t))
     CHECKED_ALLOCZ(h->cbp_table, big_mb_num * sizeof(uint16_t))
@@ -3019,8 +3225,8 @@ static int alloc_tables(H264Context *h){
         CHECKED_ALLOCZ(h->direct_table, 32*big_mb_num * sizeof(uint8_t));
     }
 
-    memset(h->slice_table_base, -1, big_mb_num  * sizeof(uint8_t));
-    h->slice_table= h->slice_table_base + s->mb_stride + 1;
+    memset(h->slice_table_base, -1, (big_mb_num+s->mb_stride)  * sizeof(uint8_t));
+    h->slice_table= h->slice_table_base + s->mb_stride*2 + 1;
 
     CHECKED_ALLOCZ(h->mb2b_xy  , big_mb_num * sizeof(uint32_t));
     CHECKED_ALLOCZ(h->mb2b8_xy , big_mb_num * sizeof(uint32_t));
@@ -3080,7 +3286,7 @@ static int decode_init(AVCodecContext *avctx){
     s->low_delay= 1;
     avctx->pix_fmt= PIX_FMT_YUV420P;
 
-    decode_init_vlc(h);
+    decode_init_vlc();
 
     if(avctx->extradata_size > 0 && avctx->extradata &&
        *(char *)avctx->extradata == 1){
@@ -3117,7 +3323,11 @@ static int frame_start(H264Context *h){
     /* can't be in alloc_tables because linesize isn't known there.
      * FIXME: redo bipred weight to not require extra buffer? */
     if(!s->obmc_scratchpad)
-        s->obmc_scratchpad = av_malloc(16*s->linesize + 2*8*s->uvlinesize);
+        s->obmc_scratchpad = av_malloc(16*2*s->linesize + 8*2*s->uvlinesize);
+
+    /* some macroblocks will be accessed before they're available */
+    if(FRAME_MBAFF)
+        memset(h->slice_table, -1, (s->mb_height*s->mb_stride-1) * sizeof(uint8_t));
 
 //    s->decode= (s->flags&CODEC_FLAG_PSNR) || !s->encoding || s->current_picture.reference /*|| h->contains_intra*/ || 1;
     return 0;
@@ -3240,9 +3450,9 @@ static inline void xchg_pair_border(H264Context *h, uint8_t *src_y, uint8_t *src
     int temp8, i;
     uint64_t temp64;
     int deblock_left = (s->mb_x > 0);
-    int deblock_top  = (s->mb_y > 0);
+    int deblock_top  = (s->mb_y > 1);
 
-    tprintf("xchg_pair_border: src_y:%p src_cb:%p src_cr:%p ls:%d uvls:%d\n", src_y, src_cb, src_cr, linesize, uvlinesize);
+    tprintf(s->avctx, "xchg_pair_border: src_y:%p src_cb:%p src_cr:%p ls:%d uvls:%d\n", src_y, src_cb, src_cr, linesize, uvlinesize);
 
     src_y  -= 2 *   linesize + 1;
     src_cb -= 2 * uvlinesize + 1;
@@ -3265,6 +3475,10 @@ b= t;
         XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x]+8), *(uint64_t*)(src_y +9), temp64, 1);
         XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+0), *(uint64_t*)(src_y +1 +linesize), temp64, xchg);
         XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x]+8), *(uint64_t*)(src_y +9 +linesize), temp64, 1);
+        if(s->mb_x+1 < s->mb_width){
+            XCHG(*(uint64_t*)(h->top_borders[0][s->mb_x+1]), *(uint64_t*)(src_y +17), temp64, 1);
+            XCHG(*(uint64_t*)(h->top_borders[1][s->mb_x+1]), *(uint64_t*)(src_y +17 +linesize), temp64, 1);
+        }
     }
 
     if(!(s->flags&CODEC_FLAG_GRAY)){
@@ -3283,7 +3497,7 @@ b= t;
     }
 }
 
-static void hl_decode_mb(H264Context *h){
+static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
     MpegEncContext * const s = &h->s;
     const int mb_x= s->mb_x;
     const int mb_y= s->mb_y;
@@ -3294,36 +3508,71 @@ static void hl_decode_mb(H264Context *h){
     int i;
     int *block_offset = &h->block_offset[0];
     const unsigned int bottom = mb_y & 1;
-    const int transform_bypass = (s->qscale == 0 && h->sps.transform_bypass);
+    const int transform_bypass = (s->qscale == 0 && h->sps.transform_bypass), is_h264 = (simple || s->codec_id == CODEC_ID_H264);
     void (*idct_add)(uint8_t *dst, DCTELEM *block, int stride);
-
-    if(!s->decode)
-        return;
+    void (*idct_dc_add)(uint8_t *dst, DCTELEM *block, int stride);
 
     dest_y  = s->current_picture.data[0] + (mb_y * 16* s->linesize  ) + mb_x * 16;
     dest_cb = s->current_picture.data[1] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
     dest_cr = s->current_picture.data[2] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
 
-    if (h->mb_field_decoding_flag) {
-        linesize = s->linesize * 2;
-        uvlinesize = s->uvlinesize * 2;
+    s->dsp.prefetch(dest_y + (s->mb_x&3)*4*s->linesize + 64, s->linesize, 4);
+    s->dsp.prefetch(dest_cb + (s->mb_x&7)*s->uvlinesize + 64, dest_cr - dest_cb, 2);
+
+    if (!simple && MB_FIELD) {
+        linesize   = h->mb_linesize   = s->linesize * 2;
+        uvlinesize = h->mb_uvlinesize = s->uvlinesize * 2;
         block_offset = &h->block_offset[24];
         if(mb_y&1){ //FIXME move out of this func?
             dest_y -= s->linesize*15;
             dest_cb-= s->uvlinesize*7;
             dest_cr-= s->uvlinesize*7;
         }
+        if(FRAME_MBAFF) {
+            int list;
+            for(list=0; list<h->list_count; list++){
+                if(!USES_LIST(mb_type, list))
+                    continue;
+                if(IS_16X16(mb_type)){
+                    int8_t *ref = &h->ref_cache[list][scan8[0]];
+                    fill_rectangle(ref, 4, 4, 8, 16+*ref^(s->mb_y&1), 1);
+                }else{
+                    for(i=0; i<16; i+=4){
+                        //FIXME can refs be smaller than 8x8 when !direct_8x8_inference ?
+                        int ref = h->ref_cache[list][scan8[i]];
+                        if(ref >= 0)
+                            fill_rectangle(&h->ref_cache[list][scan8[i]], 2, 2, 8, 16+ref^(s->mb_y&1), 1);
+                    }
+                }
+            }
+        }
     } else {
-        linesize = s->linesize;
-        uvlinesize = s->uvlinesize;
+        linesize   = h->mb_linesize   = s->linesize;
+        uvlinesize = h->mb_uvlinesize = s->uvlinesize;
 //        dct_offset = s->linesize * 16;
     }
 
-    idct_add = transform_bypass
-             ? IS_8x8DCT(mb_type) ? s->dsp.add_pixels8 : s->dsp.add_pixels4
-             : IS_8x8DCT(mb_type) ? s->dsp.h264_idct8_add : s->dsp.h264_idct_add;
+    if(transform_bypass){
+        idct_dc_add =
+        idct_add = IS_8x8DCT(mb_type) ? s->dsp.add_pixels8 : s->dsp.add_pixels4;
+    }else if(IS_8x8DCT(mb_type)){
+        idct_dc_add = s->dsp.h264_idct8_dc_add;
+        idct_add = s->dsp.h264_idct8_add;
+    }else{
+        idct_dc_add = s->dsp.h264_idct_dc_add;
+        idct_add = s->dsp.h264_idct_add;
+    }
+
+    if(!simple && FRAME_MBAFF && h->deblocking_filter && IS_INTRA(mb_type)
+       && (!bottom || !IS_INTRA(s->current_picture.mb_type[mb_xy-s->mb_stride]))){
+        int mbt_y = mb_y&~1;
+        uint8_t *top_y  = s->current_picture.data[0] + (mbt_y * 16* s->linesize  ) + mb_x * 16;
+        uint8_t *top_cb = s->current_picture.data[1] + (mbt_y * 8 * s->uvlinesize) + mb_x * 8;
+        uint8_t *top_cr = s->current_picture.data[2] + (mbt_y * 8 * s->uvlinesize) + mb_x * 8;
+        xchg_pair_border(h, top_y, top_cb, top_cr, s->linesize, s->uvlinesize, 1);
+    }
 
-    if (IS_INTRA_PCM(mb_type)) {
+    if (!simple && IS_INTRA_PCM(mb_type)) {
         unsigned int x, y;
 
         // The pixels are stored in h->mb array in the same order as levels,
@@ -3351,37 +3600,36 @@ static void hl_decode_mb(H264Context *h){
         }
     } else {
         if(IS_INTRA(mb_type)){
-            if(h->deblocking_filter) {
-                if (h->mb_aff_frame) {
-                    if (!bottom)
-                        xchg_pair_border(h, dest_y, dest_cb, dest_cr, s->linesize, s->uvlinesize, 1);
-                } else {
-                    xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 1);
-                }
-            }
+            if(h->deblocking_filter && (simple || !FRAME_MBAFF))
+                xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 1);
 
-            if(!(s->flags&CODEC_FLAG_GRAY)){
+            if(simple || !(s->flags&CODEC_FLAG_GRAY)){
                 h->pred8x8[ h->chroma_pred_mode ](dest_cb, uvlinesize);
                 h->pred8x8[ h->chroma_pred_mode ](dest_cr, uvlinesize);
             }
 
             if(IS_INTRA4x4(mb_type)){
-                if(!s->encoding){
+                if(simple || !s->encoding){
                     if(IS_8x8DCT(mb_type)){
                         for(i=0; i<16; i+=4){
                             uint8_t * const ptr= dest_y + block_offset[i];
                             const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ];
+                            const int nnz = h->non_zero_count_cache[ scan8[i] ];
                             h->pred8x8l[ dir ](ptr, (h->topleft_samples_available<<i)&0x8000,
-                                                   (h->topright_samples_available<<(i+1))&0x8000, linesize);
-                            if(h->non_zero_count_cache[ scan8[i] ])
-                                idct_add(ptr, h->mb + i*16, linesize);
+                                                   (h->topright_samples_available<<i)&0x4000, linesize);
+                            if(nnz){
+                                if(nnz == 1 && h->mb[i*16])
+                                    idct_dc_add(ptr, h->mb + i*16, linesize);
+                                else
+                                    idct_add(ptr, h->mb + i*16, linesize);
+                            }
                         }
                     }else
                     for(i=0; i<16; i++){
                         uint8_t * const ptr= dest_y + block_offset[i];
                         uint8_t *topright;
                         const int dir= h->intra4x4_pred_mode_cache[ scan8[i] ];
-                        int tr;
+                        int nnz, tr;
 
                         if(dir == DIAG_DOWN_LEFT_PRED || dir == VERT_LEFT_PRED){
                             const int topright_avail= (h->topright_samples_available<<i)&0x8000;
@@ -3395,51 +3643,55 @@ static void hl_decode_mb(H264Context *h){
                             topright= NULL;
 
                         h->pred4x4[ dir ](ptr, topright, linesize);
-                        if(h->non_zero_count_cache[ scan8[i] ]){
-                            if(s->codec_id == CODEC_ID_H264)
-                                idct_add(ptr, h->mb + i*16, linesize);
-                            else
+                        nnz = h->non_zero_count_cache[ scan8[i] ];
+                        if(nnz){
+                            if(is_h264){
+                                if(nnz == 1 && h->mb[i*16])
+                                    idct_dc_add(ptr, h->mb + i*16, linesize);
+                                else
+                                    idct_add(ptr, h->mb + i*16, linesize);
+                            }else
                                 svq3_add_idct_c(ptr, h->mb + i*16, linesize, s->qscale, 0);
                         }
                     }
                 }
             }else{
                 h->pred16x16[ h->intra16x16_pred_mode ](dest_y , linesize);
-                if(s->codec_id == CODEC_ID_H264){
+                if(is_h264){
                     if(!transform_bypass)
                         h264_luma_dc_dequant_idct_c(h->mb, s->qscale, h->dequant4_coeff[IS_INTRA(mb_type) ? 0:3][s->qscale][0]);
                 }else
                     svq3_luma_dc_dequant_idct_c(h->mb, s->qscale);
             }
-            if(h->deblocking_filter) {
-                if (h->mb_aff_frame) {
-                    if (bottom) {
-                        uint8_t *pair_dest_y  = s->current_picture.data[0] + ((mb_y-1) * 16* s->linesize  ) + mb_x * 16;
-                        uint8_t *pair_dest_cb = s->current_picture.data[1] + ((mb_y-1) * 8 * s->uvlinesize) + mb_x * 8;
-                        uint8_t *pair_dest_cr = s->current_picture.data[2] + ((mb_y-1) * 8 * s->uvlinesize) + mb_x * 8;
-                        s->mb_y--;
-                        xchg_pair_border(h, pair_dest_y, pair_dest_cb, pair_dest_cr, s->linesize, s->uvlinesize, 0);
-                        s->mb_y++;
-                    }
-                } else {
-                    xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 0);
-                }
-            }
-        }else if(s->codec_id == CODEC_ID_H264){
+            if(h->deblocking_filter && (simple || !FRAME_MBAFF))
+                xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 0);
+        }else if(is_h264){
             hl_motion(h, dest_y, dest_cb, dest_cr,
-                      s->dsp.put_h264_qpel_pixels_tab, s->dsp.put_h264_chroma_pixels_tab,
-                      s->dsp.avg_h264_qpel_pixels_tab, s->dsp.avg_h264_chroma_pixels_tab,
+                      s->me.qpel_put, s->dsp.put_h264_chroma_pixels_tab,
+                      s->me.qpel_avg, s->dsp.avg_h264_chroma_pixels_tab,
                       s->dsp.weight_h264_pixels_tab, s->dsp.biweight_h264_pixels_tab);
         }
 
 
         if(!IS_INTRA4x4(mb_type)){
-            if(s->codec_id == CODEC_ID_H264){
-                const int di = IS_8x8DCT(mb_type) ? 4 : 1;
-                for(i=0; i<16; i+=di){
-                    if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){ //FIXME benchmark weird rule, & below
-                        uint8_t * const ptr= dest_y + block_offset[i];
-                        idct_add(ptr, h->mb + i*16, linesize);
+            if(is_h264){
+                if(IS_INTRA16x16(mb_type)){
+                    for(i=0; i<16; i++){
+                        if(h->non_zero_count_cache[ scan8[i] ])
+                            idct_add(dest_y + block_offset[i], h->mb + i*16, linesize);
+                        else if(h->mb[i*16])
+                            idct_dc_add(dest_y + block_offset[i], h->mb + i*16, linesize);
+                    }
+                }else{
+                    const int di = IS_8x8DCT(mb_type) ? 4 : 1;
+                    for(i=0; i<16; i+=di){
+                        int nnz = h->non_zero_count_cache[ scan8[i] ];
+                        if(nnz){
+                            if(nnz==1 && h->mb[i*16])
+                                idct_dc_add(dest_y + block_offset[i], h->mb + i*16, linesize);
+                            else
+                                idct_add(dest_y + block_offset[i], h->mb + i*16, linesize);
+                        }
                     }
                 }
             }else{
@@ -3452,35 +3704,27 @@ static void hl_decode_mb(H264Context *h){
             }
         }
 
-        if(!(s->flags&CODEC_FLAG_GRAY)){
-            idct_add = transform_bypass ? s->dsp.add_pixels4 : s->dsp.h264_idct_add;
-            if(!transform_bypass){
+        if(simple || !(s->flags&CODEC_FLAG_GRAY)){
+            uint8_t *dest[2] = {dest_cb, dest_cr};
+            if(transform_bypass){
+                idct_add = idct_dc_add = s->dsp.add_pixels4;
+            }else{
+                idct_add = s->dsp.h264_idct_add;
+                idct_dc_add = s->dsp.h264_idct_dc_add;
                 chroma_dc_dequant_idct_c(h->mb + 16*16, h->chroma_qp, h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp][0]);
                 chroma_dc_dequant_idct_c(h->mb + 16*16+4*16, h->chroma_qp, h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp][0]);
             }
-            if(s->codec_id == CODEC_ID_H264){
-                for(i=16; i<16+4; i++){
-                    if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
-                        uint8_t * const ptr= dest_cb + block_offset[i];
-                        idct_add(ptr, h->mb + i*16, uvlinesize);
-                    }
-                }
-                for(i=20; i<20+4; i++){
-                    if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
-                        uint8_t * const ptr= dest_cr + block_offset[i];
-                        idct_add(ptr, h->mb + i*16, uvlinesize);
-                    }
+            if(is_h264){
+                for(i=16; i<16+8; i++){
+                    if(h->non_zero_count_cache[ scan8[i] ])
+                        idct_add(dest[(i&4)>>2] + block_offset[i], h->mb + i*16, uvlinesize);
+                    else if(h->mb[i*16])
+                        idct_dc_add(dest[(i&4)>>2] + block_offset[i], h->mb + i*16, uvlinesize);
                 }
             }else{
-                for(i=16; i<16+4; i++){
-                    if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
-                        uint8_t * const ptr= dest_cb + block_offset[i];
-                        svq3_add_idct_c(ptr, h->mb + i*16, uvlinesize, chroma_qp[s->qscale + 12] - 12, 2);
-                    }
-                }
-                for(i=20; i<20+4; i++){
+                for(i=16; i<16+8; i++){
                     if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
-                        uint8_t * const ptr= dest_cr + block_offset[i];
+                        uint8_t * const ptr= dest[(i&4)>>2] + block_offset[i];
                         svq3_add_idct_c(ptr, h->mb + i*16, uvlinesize, chroma_qp[s->qscale + 12] - 12, 2);
                     }
                 }
@@ -3488,45 +3732,75 @@ static void hl_decode_mb(H264Context *h){
         }
     }
     if(h->deblocking_filter) {
-        if (h->mb_aff_frame) {
+        if (!simple && FRAME_MBAFF) {
+            //FIXME try deblocking one mb at a time?
+            // the reduction in load/storing mvs and such might outweigh the extra backup/xchg_border
             const int mb_y = s->mb_y - 1;
             uint8_t  *pair_dest_y, *pair_dest_cb, *pair_dest_cr;
             const int mb_xy= mb_x + mb_y*s->mb_stride;
             const int mb_type_top   = s->current_picture.mb_type[mb_xy];
             const int mb_type_bottom= s->current_picture.mb_type[mb_xy+s->mb_stride];
-            uint8_t tmp = s->current_picture.data[1][384];
             if (!bottom) return;
             pair_dest_y  = s->current_picture.data[0] + (mb_y * 16* s->linesize  ) + mb_x * 16;
             pair_dest_cb = s->current_picture.data[1] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
             pair_dest_cr = s->current_picture.data[2] + (mb_y * 8 * s->uvlinesize) + mb_x * 8;
 
+            if(IS_INTRA(mb_type_top | mb_type_bottom))
+                xchg_pair_border(h, pair_dest_y, pair_dest_cb, pair_dest_cr, s->linesize, s->uvlinesize, 0);
+
             backup_pair_border(h, pair_dest_y, pair_dest_cb, pair_dest_cr, s->linesize, s->uvlinesize);
-            // TODO deblock a pair
+            // deblock a pair
             // top
             s->mb_y--;
-            tprintf("call mbaff filter_mb mb_x:%d mb_y:%d pair_dest_y = %p, dest_y = %p\n", mb_x, mb_y, pair_dest_y, dest_y);
+            tprintf(h->s.avctx, "call mbaff filter_mb mb_x:%d mb_y:%d pair_dest_y = %p, dest_y = %p\n", mb_x, mb_y, pair_dest_y, dest_y);
             fill_caches(h, mb_type_top, 1); //FIXME don't fill stuff which isn't used by filter_mb
+            h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mb_xy]);
             filter_mb(h, mb_x, mb_y, pair_dest_y, pair_dest_cb, pair_dest_cr, linesize, uvlinesize);
-            if (tmp != s->current_picture.data[1][384]) {
-                tprintf("modified pixel 8,1 (1)\n");
-            }
             // bottom
             s->mb_y++;
-            tprintf("call mbaff filter_mb\n");
+            tprintf(h->s.avctx, "call mbaff filter_mb\n");
             fill_caches(h, mb_type_bottom, 1); //FIXME don't fill stuff which isn't used by filter_mb
+            h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mb_xy+s->mb_stride]);
             filter_mb(h, mb_x, mb_y+1, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
-            if (tmp != s->current_picture.data[1][384]) {
-                tprintf("modified pixel 8,1 (2)\n");
-            }
         } else {
-            tprintf("call filter_mb\n");
+            tprintf(h->s.avctx, "call filter_mb\n");
             backup_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
             fill_caches(h, mb_type, 1); //FIXME don't fill stuff which isn't used by filter_mb
-            filter_mb(h, mb_x, mb_y, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
+            filter_mb_fast(h, mb_x, mb_y, dest_y, dest_cb, dest_cr, linesize, uvlinesize);
         }
     }
 }
 
+/**
+ * Process a macroblock; this case avoids checks for expensive uncommon cases.
+ */
+static void hl_decode_mb_simple(H264Context *h){
+    hl_decode_mb_internal(h, 1);
+}
+
+/**
+ * Process a macroblock; this handles edge cases, such as interlacing.
+ */
+static void av_noinline hl_decode_mb_complex(H264Context *h){
+    hl_decode_mb_internal(h, 0);
+}
+
+static void hl_decode_mb(H264Context *h){
+    MpegEncContext * const s = &h->s;
+    const int mb_x= s->mb_x;
+    const int mb_y= s->mb_y;
+    const int mb_xy= mb_x + mb_y*s->mb_stride;
+    const int mb_type= s->current_picture.mb_type[mb_xy];
+    int is_complex = FRAME_MBAFF || MB_FIELD || IS_INTRA_PCM(mb_type) || s->codec_id != CODEC_ID_H264 || (s->flags&CODEC_FLAG_GRAY) || s->encoding;
+
+    if(!s->decode)
+        return;
+
+    if (is_complex)
+        hl_decode_mb_complex(h);
+    else hl_decode_mb_simple(h);
+}
+
 /**
  * fills the default_ref_list.
  */
@@ -3557,7 +3831,7 @@ static int fill_default_ref_list(H264Context *h){
 
             limit= best_poc;
             sorted_short_ref[out_i]= *h->short_ref[best_i];
-            tprintf("sorted poc: %d->%d poc:%d fn:%d\n", best_i, out_i, sorted_short_ref[out_i].poc, sorted_short_ref[out_i].frame_num);
+            tprintf(h->s.avctx, "sorted poc: %d->%d poc:%d fn:%d\n", best_i, out_i, sorted_short_ref[out_i].poc, sorted_short_ref[out_i].frame_num);
             if (-1 == smallest_poc_greater_than_current) {
                 if (h->short_ref[best_i]->poc >= s->current_picture_ptr->poc) {
                     smallest_poc_greater_than_current = out_i;
@@ -3569,7 +3843,7 @@ static int fill_default_ref_list(H264Context *h){
     if(s->picture_structure == PICT_FRAME){
         if(h->slice_type==B_TYPE){
             int list;
-            tprintf("current poc: %d, smallest_poc_greater_than_current: %d\n", s->current_picture_ptr->poc, smallest_poc_greater_than_current);
+            tprintf(h->s.avctx, "current poc: %d, smallest_poc_greater_than_current: %d\n", s->current_picture_ptr->poc, smallest_poc_greater_than_current);
 
             // find the largest poc
             for(list=0; list<2; list++){
@@ -3632,11 +3906,11 @@ static int fill_default_ref_list(H264Context *h){
     }
 #ifdef TRACE
     for (i=0; i<h->ref_count[0]; i++) {
-        tprintf("List0: %s fn:%d 0x%p\n", (h->default_ref_list[0][i].long_ref ? "LT" : "ST"), h->default_ref_list[0][i].pic_id, h->default_ref_list[0][i].data[0]);
+        tprintf(h->s.avctx, "List0: %s fn:%d 0x%p\n", (h->default_ref_list[0][i].long_ref ? "LT" : "ST"), h->default_ref_list[0][i].pic_id, h->default_ref_list[0][i].data[0]);
     }
     if(h->slice_type==B_TYPE){
         for (i=0; i<h->ref_count[1]; i++) {
-            tprintf("List1: %s fn:%d 0x%p\n", (h->default_ref_list[1][i].long_ref ? "LT" : "ST"), h->default_ref_list[1][i].pic_id, h->default_ref_list[0][i].data[0]);
+            tprintf(h->s.avctx, "List1: %s fn:%d 0x%p\n", (h->default_ref_list[1][i].long_ref ? "LT" : "ST"), h->default_ref_list[1][i].pic_id, h->default_ref_list[0][i].data[0]);
         }
     }
 #endif
@@ -3654,15 +3928,15 @@ static int decode_ref_pic_list_reordering(H264Context *h){
     print_long_term(h);
     if(h->slice_type==I_TYPE || h->slice_type==SI_TYPE) return 0; //FIXME move before func
 
-    for(list=0; list<2; list++){
+    for(list=0; list<h->list_count; list++){
         memcpy(h->ref_list[list], h->default_ref_list[list], sizeof(Picture)*h->ref_count[list]);
 
         if(get_bits1(&s->gb)){
             int pred= h->curr_pic_num;
 
             for(index=0; ; index++){
-                int reordering_of_pic_nums_idc= get_ue_golomb(&s->gb);
-                int pic_id;
+                unsigned int reordering_of_pic_nums_idc= get_ue_golomb(&s->gb);
+                unsigned int pic_id;
                 int i;
                 Picture *ref = NULL;
 
@@ -3676,7 +3950,7 @@ static int decode_ref_pic_list_reordering(H264Context *h){
 
                 if(reordering_of_pic_nums_idc<3){
                     if(reordering_of_pic_nums_idc<2){
-                        const int abs_diff_pic_num= get_ue_golomb(&s->gb) + 1;
+                        const unsigned int abs_diff_pic_num= get_ue_golomb(&s->gb) + 1;
 
                         if(abs_diff_pic_num >= h->max_pic_num){
                             av_log(h->s.avctx, AV_LOG_ERROR, "abs_diff_pic_num overflow\n");
@@ -3698,11 +3972,19 @@ static int decode_ref_pic_list_reordering(H264Context *h){
                             ref->pic_id= ref->frame_num;
                     }else{
                         pic_id= get_ue_golomb(&s->gb); //long_term_pic_idx
+                        if(pic_id>31){
+                            av_log(h->s.avctx, AV_LOG_ERROR, "long_term_pic_idx overflow\n");
+                            return -1;
+                        }
                         ref = h->long_ref[pic_id];
-                        ref->pic_id= pic_id;
-                        assert(ref->reference == 3);
-                        assert(ref->long_ref);
-                        i=0;
+                        if(ref){
+                            ref->pic_id= pic_id;
+                            assert(ref->reference == 3);
+                            assert(ref->long_ref);
+                            i=0;
+                        }else{
+                            i=-1;
+                        }
                     }
 
                     if (i < 0) {
@@ -3724,15 +4006,12 @@ static int decode_ref_pic_list_reordering(H264Context *h){
                 }
             }
         }
-
-        if(h->slice_type!=B_TYPE) break;
     }
-    for(list=0; list<2; list++){
+    for(list=0; list<h->list_count; list++){
         for(index= 0; index < h->ref_count[list]; index++){
             if(!h->ref_list[list][index].data[0])
                 h->ref_list[list][index]= s->current_picture;
         }
-        if(h->slice_type!=B_TYPE) break;
     }
 
     if(h->slice_type==B_TYPE && !h->direct_spatial_mv_pred)
@@ -3741,6 +4020,35 @@ static int decode_ref_pic_list_reordering(H264Context *h){
     return 0;
 }
 
+static void fill_mbaff_ref_list(H264Context *h){
+    int list, i, j;
+    for(list=0; list<2; list++){ //FIXME try list_count
+        for(i=0; i<h->ref_count[list]; i++){
+            Picture *frame = &h->ref_list[list][i];
+            Picture *field = &h->ref_list[list][16+2*i];
+            field[0] = *frame;
+            for(j=0; j<3; j++)
+                field[0].linesize[j] <<= 1;
+            field[1] = field[0];
+            for(j=0; j<3; j++)
+                field[1].data[j] += frame->linesize[j];
+
+            h->luma_weight[list][16+2*i] = h->luma_weight[list][16+2*i+1] = h->luma_weight[list][i];
+            h->luma_offset[list][16+2*i] = h->luma_offset[list][16+2*i+1] = h->luma_offset[list][i];
+            for(j=0; j<2; j++){
+                h->chroma_weight[list][16+2*i][j] = h->chroma_weight[list][16+2*i+1][j] = h->chroma_weight[list][i][j];
+                h->chroma_offset[list][16+2*i][j] = h->chroma_offset[list][16+2*i+1][j] = h->chroma_offset[list][i][j];
+            }
+        }
+    }
+    for(j=0; j<h->ref_count[1]; j++){
+        for(i=0; i<h->ref_count[0]; i++)
+            h->implicit_weight[j][16+2*i] = h->implicit_weight[j][16+2*i+1] = h->implicit_weight[j][i];
+        memcpy(h->implicit_weight[16+2*j],   h->implicit_weight[j], sizeof(*h->implicit_weight));
+        memcpy(h->implicit_weight[16+2*j+1], h->implicit_weight[j], sizeof(*h->implicit_weight));
+    }
+}
+
 static int pred_weight_table(H264Context *h){
     MpegEncContext * const s = &h->s;
     int list, i;
@@ -3810,16 +4118,15 @@ static void implicit_weight_table(H264Context *h){
     h->luma_log2_weight_denom= 5;
     h->chroma_log2_weight_denom= 5;
 
-    /* FIXME: MBAFF */
     for(ref0=0; ref0 < h->ref_count[0]; ref0++){
         int poc0 = h->ref_list[0][ref0].poc;
         for(ref1=0; ref1 < h->ref_count[1]; ref1++){
             int poc1 = h->ref_list[1][ref1].poc;
-            int td = clip(poc1 - poc0, -128, 127);
+            int td = av_clip(poc1 - poc0, -128, 127);
             if(td){
-                int tb = clip(cur_poc - poc0, -128, 127);
-                int tx = (16384 + (ABS(td) >> 1)) / td;
-                int dist_scale_factor = clip((tb*tx + 32) >> 6, -1024, 1023) >> 2;
+                int tb = av_clip(cur_poc - poc0, -128, 127);
+                int tx = (16384 + (FFABS(td) >> 1)) / td;
+                int dist_scale_factor = av_clip((tb*tx + 32) >> 6, -1024, 1023) >> 2;
                 if(dist_scale_factor < -64 || dist_scale_factor > 128)
                     h->implicit_weight[ref0][ref1] = 32;
                 else
@@ -3869,8 +4176,13 @@ static void idr(H264Context *h){
 static void flush_dpb(AVCodecContext *avctx){
     H264Context *h= avctx->priv_data;
     int i;
-    for(i=0; i<16; i++)
+    for(i=0; i<16; i++) {
+        if(h->delayed_pic[i])
+            h->delayed_pic[i]->reference= 0;
         h->delayed_pic[i]= NULL;
+    }
+    if(h->delayed_output_pic)
+        h->delayed_output_pic->reference= 0;
     h->delayed_output_pic= NULL;
     idr(h);
     if(h->s.current_picture_ptr)
@@ -3975,8 +4287,10 @@ static int execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count){
             if(pic) unreference_pic(h, pic);
 
             h->long_ref[ mmco[i].long_index ]= remove_short(h, mmco[i].short_frame_num);
-            h->long_ref[ mmco[i].long_index ]->long_ref=1;
-            h->long_ref_count++;
+            if (h->long_ref[ mmco[i].long_index ]){
+                h->long_ref[ mmco[i].long_index ]->long_ref=1;
+                h->long_ref_count++;
+            }
             break;
         case MMCO_LONG2UNUSED:
             pic= remove_long(h, mmco[i].long_index);
@@ -4006,7 +4320,7 @@ static int execute_ref_pic_marking(H264Context *h, MMCO *mmco, int mmco_count){
         case MMCO_RESET:
             while(h->short_ref_count){
                 pic= remove_short(h, h->short_ref[0]->frame_num);
-                unreference_pic(h, pic);
+                if(pic) unreference_pic(h, pic);
             }
             for(j = 0; j < 16; j++) {
                 pic= remove_long(h, j);
@@ -4064,14 +4378,15 @@ static int decode_ref_pic_marking(H264Context *h){
                     }*/
                 }
                 if(opcode==MMCO_SHORT2LONG || opcode==MMCO_LONG2UNUSED || opcode==MMCO_LONG || opcode==MMCO_SET_MAX_LONG){
-                    h->mmco[i].long_index= get_ue_golomb(&s->gb);
-                    if(/*h->mmco[i].long_index >= h->long_ref_count || h->long_ref[ h->mmco[i].long_index ] == NULL*/ h->mmco[i].long_index >= 16){
+                    unsigned int long_index= get_ue_golomb(&s->gb);
+                    if(/*h->mmco[i].long_index >= h->long_ref_count || h->long_ref[ h->mmco[i].long_index ] == NULL*/ long_index >= 16){
                         av_log(h->s.avctx, AV_LOG_ERROR, "illegal long ref in memory management control operation %d\n", opcode);
                         return -1;
                     }
+                    h->mmco[i].long_index= long_index;
                 }
 
-                if(opcode > MMCO_LONG){
+                if(opcode > (unsigned)MMCO_LONG){
                     av_log(h->s.avctx, AV_LOG_ERROR, "illegal memory management control operation %d\n", opcode);
                     return -1;
                 }
@@ -4189,10 +4504,11 @@ static int init_poc(H264Context *h){
  */
 static int decode_slice_header(H264Context *h){
     MpegEncContext * const s = &h->s;
-    int first_mb_in_slice, pps_id;
+    unsigned int first_mb_in_slice;
+    unsigned int pps_id;
     int num_ref_idx_active_override_flag;
     static const uint8_t slice_type_map[5]= {P_TYPE, B_TYPE, I_TYPE, SP_TYPE, SI_TYPE};
-    int slice_type;
+    unsigned int slice_type, tmp;
     int default_ref_list_done = 0;
 
     s->current_picture.reference= h->nal_ref_idc != 0;
@@ -4200,6 +4516,11 @@ static int decode_slice_header(H264Context *h){
 
     first_mb_in_slice= get_ue_golomb(&s->gb);
 
+    if((s->flags2 & CODEC_FLAG2_CHUNKS) && first_mb_in_slice == 0){
+        h->slice_num = 0;
+        s->current_picture_ptr= NULL;
+    }
+
     slice_type= get_ue_golomb(&s->gb);
     if(slice_type > 9){
         av_log(h->s.avctx, AV_LOG_ERROR, "slice type too large (%d) at %d %d\n", h->slice_type, s->mb_x, s->mb_y);
@@ -4221,7 +4542,7 @@ static int decode_slice_header(H264Context *h){
     s->pict_type= h->slice_type; // to make a few old func happy, it's wrong though
 
     pps_id= get_ue_golomb(&s->gb);
-    if(pps_id>255){
+    if(pps_id>=MAX_PPS_COUNT){
         av_log(h->s.avctx, AV_LOG_ERROR, "pps_id out of range\n");
         return -1;
     }
@@ -4245,8 +4566,8 @@ static int decode_slice_header(H264Context *h){
     s->mb_width= h->sps.mb_width;
     s->mb_height= h->sps.mb_height * (2 - h->sps.frame_mbs_only_flag);
 
-    h->b_stride=  s->mb_width*4 + 1;
-    h->b8_stride= s->mb_width*2 + 1;
+    h->b_stride=  s->mb_width*4;
+    h->b8_stride= s->mb_width*2;
 
     s->width = 16*s->mb_width - 2*(h->sps.crop_left + h->sps.crop_right );
     if(h->sps.frame_mbs_only_flag)
@@ -4272,14 +4593,39 @@ static int decode_slice_header(H264Context *h){
 #define T(x) (x>>2) | ((x<<2) & 0xF)
                 h->zigzag_scan[i] = T(zigzag_scan[i]);
                 h-> field_scan[i] = T( field_scan[i]);
+#undef T
+            }
+        }
+        if(s->dsp.h264_idct8_add == ff_h264_idct8_add_c){
+            memcpy(h->zigzag_scan8x8,       zigzag_scan8x8,       64*sizeof(uint8_t));
+            memcpy(h->zigzag_scan8x8_cavlc, zigzag_scan8x8_cavlc, 64*sizeof(uint8_t));
+            memcpy(h->field_scan8x8,        field_scan8x8,        64*sizeof(uint8_t));
+            memcpy(h->field_scan8x8_cavlc,  field_scan8x8_cavlc,  64*sizeof(uint8_t));
+        }else{
+            int i;
+            for(i=0; i<64; i++){
+#define T(x) (x>>3) | ((x&7)<<3)
+                h->zigzag_scan8x8[i]       = T(zigzag_scan8x8[i]);
+                h->zigzag_scan8x8_cavlc[i] = T(zigzag_scan8x8_cavlc[i]);
+                h->field_scan8x8[i]        = T(field_scan8x8[i]);
+                h->field_scan8x8_cavlc[i]  = T(field_scan8x8_cavlc[i]);
+#undef T
             }
         }
         if(h->sps.transform_bypass){ //FIXME same ugly
-            h->zigzag_scan_q0 = zigzag_scan;
-            h->field_scan_q0 = field_scan;
+            h->zigzag_scan_q0          = zigzag_scan;
+            h->zigzag_scan8x8_q0       = zigzag_scan8x8;
+            h->zigzag_scan8x8_cavlc_q0 = zigzag_scan8x8_cavlc;
+            h->field_scan_q0           = field_scan;
+            h->field_scan8x8_q0        = field_scan8x8;
+            h->field_scan8x8_cavlc_q0  = field_scan8x8_cavlc;
         }else{
-            h->zigzag_scan_q0 = h->zigzag_scan;
-            h->field_scan_q0 = h->field_scan;
+            h->zigzag_scan_q0          = h->zigzag_scan;
+            h->zigzag_scan8x8_q0       = h->zigzag_scan8x8;
+            h->zigzag_scan8x8_cavlc_q0 = h->zigzag_scan8x8_cavlc;
+            h->field_scan_q0           = h->field_scan;
+            h->field_scan8x8_q0        = h->field_scan8x8;
+            h->field_scan8x8_cavlc_q0  = h->field_scan8x8_cavlc;
         }
 
         alloc_tables(h);
@@ -4291,7 +4637,11 @@ static int decode_slice_header(H264Context *h){
             s->avctx->sample_aspect_ratio.den = 1;
 
         if(h->sps.timing_info_present_flag){
-            s->avctx->time_base= (AVRational){h->sps.num_units_in_tick, h->sps.time_scale};
+            s->avctx->time_base= (AVRational){h->sps.num_units_in_tick * 2, h->sps.time_scale};
+            if(h->x264_build > 0 && h->x264_build < 44)
+                s->avctx->time_base.den *= 2;
+            av_reduce(&s->avctx->time_base.num, &s->avctx->time_base.den,
+                      s->avctx->time_base.num, s->avctx->time_base.den, 1<<30);
         }
     }
 
@@ -4303,24 +4653,28 @@ static int decode_slice_header(H264Context *h){
     s->current_picture_ptr->frame_num= //FIXME frame_num cleanup
     h->frame_num= get_bits(&s->gb, h->sps.log2_max_frame_num);
 
+    h->mb_mbaff = 0;
     h->mb_aff_frame = 0;
     if(h->sps.frame_mbs_only_flag){
         s->picture_structure= PICT_FRAME;
     }else{
         if(get_bits1(&s->gb)) { //field_pic_flag
             s->picture_structure= PICT_TOP_FIELD + get_bits1(&s->gb); //bottom_field_flag
+            av_log(h->s.avctx, AV_LOG_ERROR, "PAFF interlacing is not implemented\n");
         } else {
             s->picture_structure= PICT_FRAME;
-            first_mb_in_slice <<= h->sps.mb_aff;
             h->mb_aff_frame = h->sps.mb_aff;
         }
     }
-
-    s->resync_mb_x = s->mb_x = first_mb_in_slice % s->mb_width;
-    s->resync_mb_y = s->mb_y = first_mb_in_slice / s->mb_width;
-    if(s->mb_y >= s->mb_height){
+    assert(s->mb_num == s->mb_width * s->mb_height);
+    if(first_mb_in_slice << h->mb_aff_frame >= s->mb_num ||
+       first_mb_in_slice                    >= s->mb_num){
+        av_log(h->s.avctx, AV_LOG_ERROR, "first_mb_in_slice overflow\n");
         return -1;
     }
+    s->resync_mb_x = s->mb_x = first_mb_in_slice % s->mb_width;
+    s->resync_mb_y = s->mb_y = (first_mb_in_slice / s->mb_width) << h->mb_aff_frame;
+    assert(s->mb_y < s->mb_height);
 
     if(s->picture_structure==PICT_FRAME){
         h->curr_pic_num=   h->frame_num;
@@ -4362,6 +4716,8 @@ static int decode_slice_header(H264Context *h){
     if(h->slice_type == P_TYPE || h->slice_type == SP_TYPE || h->slice_type == B_TYPE){
         if(h->slice_type == B_TYPE){
             h->direct_spatial_mv_pred= get_bits1(&s->gb);
+            if(h->sps.mb_aff && h->direct_spatial_mv_pred)
+                av_log(h->s.avctx, AV_LOG_ERROR, "MBAFF + spatial direct mode is not implemented\n");
         }
         num_ref_idx_active_override_flag= get_bits1(&s->gb);
 
@@ -4370,12 +4726,18 @@ static int decode_slice_header(H264Context *h){
             if(h->slice_type==B_TYPE)
                 h->ref_count[1]= get_ue_golomb(&s->gb) + 1;
 
-            if(h->ref_count[0] > 32 || h->ref_count[1] > 32){
+            if(h->ref_count[0]-1 > 32-1 || h->ref_count[1]-1 > 32-1){
                 av_log(h->s.avctx, AV_LOG_ERROR, "reference overflow\n");
+                h->ref_count[0]= h->ref_count[1]= 1;
                 return -1;
             }
         }
-    }
+        if(h->slice_type == B_TYPE)
+            h->list_count= 2;
+        else
+            h->list_count= 1;
+    }else
+        h->list_count= 0;
 
     if(!default_ref_list_done){
         fill_default_ref_list(h);
@@ -4395,15 +4757,25 @@ static int decode_slice_header(H264Context *h){
     if(s->current_picture.reference)
         decode_ref_pic_marking(h);
 
-    if( h->slice_type != I_TYPE && h->slice_type != SI_TYPE && h->pps.cabac )
-        h->cabac_init_idc = get_ue_golomb(&s->gb);
+    if(FRAME_MBAFF)
+        fill_mbaff_ref_list(h);
+
+    if( h->slice_type != I_TYPE && h->slice_type != SI_TYPE && h->pps.cabac ){
+        tmp = get_ue_golomb(&s->gb);
+        if(tmp > 2){
+            av_log(s->avctx, AV_LOG_ERROR, "cabac_init_idc overflow\n");
+            return -1;
+        }
+        h->cabac_init_idc= tmp;
+    }
 
     h->last_qscale_diff = 0;
-    s->qscale = h->pps.init_qp + get_se_golomb(&s->gb);
-    if(s->qscale<0 || s->qscale>51){
-        av_log(s->avctx, AV_LOG_ERROR, "QP %d out of range\n", s->qscale);
+    tmp = h->pps.init_qp + get_se_golomb(&s->gb);
+    if(tmp>51){
+        av_log(s->avctx, AV_LOG_ERROR, "QP %u out of range\n", tmp);
         return -1;
     }
+    s->qscale= tmp;
     h->chroma_qp = get_chroma_qp(h->pps.chroma_qp_index_offset, s->qscale);
     //FIXME qscale / qp ... stuff
     if(h->slice_type == SP_TYPE){
@@ -4417,7 +4789,12 @@ static int decode_slice_header(H264Context *h){
     h->slice_alpha_c0_offset = 0;
     h->slice_beta_offset = 0;
     if( h->pps.deblocking_filter_parameters_present ) {
-        h->deblocking_filter= get_ue_golomb(&s->gb);
+        tmp= get_ue_golomb(&s->gb);
+        if(tmp > 2){
+            av_log(s->avctx, AV_LOG_ERROR, "deblocking_filter_idc %u out of range\n", tmp);
+            return -1;
+        }
+        h->deblocking_filter= tmp;
         if(h->deblocking_filter < 2)
             h->deblocking_filter^= 1; // 1<->0
 
@@ -4439,8 +4816,11 @@ static int decode_slice_header(H264Context *h){
 
     h->slice_num++;
 
+    h->emu_edge_width= (s->flags&CODEC_FLAG_EMU_EDGE) ? 0 : 16;
+    h->emu_edge_height= FRAME_MBAFF ? 0 : h->emu_edge_width;
+
     if(s->avctx->debug&FF_DEBUG_PICT_INFO){
-        av_log(h->s.avctx, AV_LOG_DEBUG, "slice:%d %s mb:%d %c pps:%d frame:%d poc:%d/%d ref:%d/%d qp:%d loop:%d:%d:%d weight:%d%s\n",
+        av_log(h->s.avctx, AV_LOG_DEBUG, "slice:%d %s mb:%d %c pps:%u frame:%d poc:%d/%d ref:%d/%d qp:%d loop:%d:%d:%d weight:%d%s\n",
                h->slice_num,
                (s->picture_structure==PICT_FRAME ? "F" : s->picture_structure==PICT_TOP_FIELD ? "T" : "B"),
                first_mb_in_slice,
@@ -4455,6 +4835,14 @@ static int decode_slice_header(H264Context *h){
                );
     }
 
+    if((s->avctx->flags2 & CODEC_FLAG2_FAST) && !s->current_picture.reference){
+        s->me.qpel_put= s->dsp.put_2tap_qpel_pixels_tab;
+        s->me.qpel_avg= s->dsp.avg_2tap_qpel_pixels_tab;
+    }else{
+        s->me.qpel_put= s->dsp.put_h264_qpel_pixels_tab;
+        s->me.qpel_avg= s->dsp.avg_h264_qpel_pixels_tab;
+    }
+
     return 0;
 }
 
@@ -4526,9 +4914,13 @@ static int decode_residual(H264Context *h, GetBitContext *gb, DCTELEM *block, in
 
     if(total_coeff==0)
         return 0;
+    if(total_coeff > (unsigned)max_coeff) {
+        av_log(h->s.avctx, AV_LOG_ERROR, "corrupted macroblock %d %d (total_coeff=%d)\n", s->mb_x, s->mb_y, total_coeff);
+        return -1;
+    }
 
     trailing_ones= coeff_token&3;
-    tprintf("trailing:%d, total:%d\n", trailing_ones, total_coeff);
+    tprintf(h->s.avctx, "trailing:%d, total:%d\n", trailing_ones, total_coeff);
     assert(total_coeff<=16);
 
     for(i=0; i<trailing_ones; i++){
@@ -4640,6 +5032,17 @@ static int decode_residual(H264Context *h, GetBitContext *gb, DCTELEM *block, in
     return 0;
 }
 
+static void predict_field_decoding_flag(H264Context *h){
+    MpegEncContext * const s = &h->s;
+    const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
+    int mb_type = (h->slice_table[mb_xy-1] == h->slice_num)
+                ? s->current_picture.mb_type[mb_xy-1]
+                : (h->slice_table[mb_xy-s->mb_stride] == h->slice_num)
+                ? s->current_picture.mb_type[mb_xy-s->mb_stride]
+                : 0;
+    h->mb_mbaff = h->mb_field_decoding_flag = IS_INTERLACED(mb_type) ? 1 : 0;
+}
+
 /**
  * decodes a P_SKIP or B_SKIP macroblock
  */
@@ -4651,10 +5054,7 @@ static void decode_mb_skip(H264Context *h){
     memset(h->non_zero_count[mb_xy], 0, 16);
     memset(h->non_zero_count_cache + 8, 0, 8*5); //FIXME ugly, remove pfui
 
-    if(h->mb_aff_frame && s->mb_skip_run==0 && (s->mb_y&1)==0){
-        h->mb_field_decoding_flag= get_bits1(&s->gb);
-    }
-    if(h->mb_field_decoding_flag)
+    if(MB_FIELD)
         mb_type|= MB_TYPE_INTERLACED;
 
     if( h->slice_type == B_TYPE )
@@ -4664,10 +5064,7 @@ static void decode_mb_skip(H264Context *h){
 
         fill_caches(h, mb_type, 0); //FIXME check what is needed and what not ...
         pred_direct_motion(h, &mb_type);
-        if(h->pps.cabac){
-            fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 4);
-            fill_rectangle(h->mvd_cache[1][scan8[0]], 4, 4, 8, 0, 4);
-        }
+        mb_type|= MB_TYPE_SKIP;
     }
     else
     {
@@ -4678,12 +5075,10 @@ static void decode_mb_skip(H264Context *h){
         pred_pskip_motion(h, &mx, &my);
         fill_rectangle(&h->ref_cache[0][scan8[0]], 4, 4, 8, 0, 1);
         fill_rectangle(  h->mv_cache[0][scan8[0]], 4, 4, 8, pack16to32(mx,my), 4);
-        if(h->pps.cabac)
-            fill_rectangle(h->mvd_cache[0][scan8[0]], 4, 4, 8, 0, 4);
     }
 
     write_back_motion(h, mb_type);
-    s->current_picture.mb_type[mb_xy]= mb_type|MB_TYPE_SKIP;
+    s->current_picture.mb_type[mb_xy]= mb_type;
     s->current_picture.qscale_table[mb_xy]= s->qscale;
     h->slice_table[ mb_xy ]= h->slice_num;
     h->prev_mb_skipped= 1;
@@ -4696,12 +5091,13 @@ static void decode_mb_skip(H264Context *h){
 static int decode_mb_cavlc(H264Context *h){
     MpegEncContext * const s = &h->s;
     const int mb_xy= s->mb_x + s->mb_y*s->mb_stride;
-    int mb_type, partition_count, cbp;
+    int partition_count;
+    unsigned int mb_type, cbp;
     int dct8x8_allowed= h->pps.transform_8x8_mode;
 
     s->dsp.clear_blocks(h->mb); //FIXME avoid if already clear (move after skip handlong?
 
-    tprintf("pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y);
+    tprintf(s->avctx, "pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y);
     cbp = 0; /* avoid warning. FIXME: find a solution without slowing
                 down the code */
     if(h->slice_type != I_TYPE && h->slice_type != SI_TYPE){
@@ -4709,13 +5105,19 @@ static int decode_mb_cavlc(H264Context *h){
             s->mb_skip_run= get_ue_golomb(&s->gb);
 
         if (s->mb_skip_run--) {
+            if(FRAME_MBAFF && (s->mb_y&1) == 0){
+                if(s->mb_skip_run==0)
+                    h->mb_mbaff = h->mb_field_decoding_flag = get_bits1(&s->gb);
+                else
+                    predict_field_decoding_flag(h);
+            }
             decode_mb_skip(h);
             return 0;
         }
     }
-    if(h->mb_aff_frame){
-        if ( ((s->mb_y&1) == 0) || h->prev_mb_skipped)
-            h->mb_field_decoding_flag = get_bits1(&s->gb);
+    if(FRAME_MBAFF){
+        if( (s->mb_y&1) == 0 )
+            h->mb_mbaff = h->mb_field_decoding_flag = get_bits1(&s->gb);
     }else
         h->mb_field_decoding_flag= (s->picture_structure!=PICT_FRAME);
 
@@ -4742,7 +5144,7 @@ static int decode_mb_cavlc(H264Context *h){
        assert(h->slice_type == I_TYPE);
 decode_intra_mb:
         if(mb_type > 25){
-            av_log(h->s.avctx, AV_LOG_ERROR, "mb_type %d in %c slice to large at %d %d\n", mb_type, av_get_pict_type_char(h->slice_type), s->mb_x, s->mb_y);
+            av_log(h->s.avctx, AV_LOG_ERROR, "mb_type %d in %c slice too large at %d %d\n", mb_type, av_get_pict_type_char(h->slice_type), s->mb_x, s->mb_y);
             return -1;
         }
         partition_count=0;
@@ -4751,7 +5153,7 @@ decode_intra_mb:
         mb_type= i_mb_type_info[mb_type].type;
     }
 
-    if(h->mb_field_decoding_flag)
+    if(MB_FIELD)
         mb_type |= MB_TYPE_INTERLACED;
 
     h->slice_table[ mb_xy ]= h->slice_num;
@@ -4766,21 +5168,21 @@ decode_intra_mb:
         for(y=0; y<16; y++){
             const int index= 4*(y&3) + 32*((y>>2)&1) + 128*(y>>3);
             for(x=0; x<16; x++){
-                tprintf("LUMA ICPM LEVEL (%3d)\n", show_bits(&s->gb, 8));
+                tprintf(s->avctx, "LUMA ICPM LEVEL (%3d)\n", show_bits(&s->gb, 8));
                 h->mb[index + (x&3) + 16*((x>>2)&1) + 64*(x>>3)]= get_bits(&s->gb, 8);
             }
         }
         for(y=0; y<8; y++){
             const int index= 256 + 4*(y&3) + 32*(y>>2);
             for(x=0; x<8; x++){
-                tprintf("CHROMA U ICPM LEVEL (%3d)\n", show_bits(&s->gb, 8));
+                tprintf(s->avctx, "CHROMA U ICPM LEVEL (%3d)\n", show_bits(&s->gb, 8));
                 h->mb[index + (x&3) + 16*(x>>2)]= get_bits(&s->gb, 8);
             }
         }
         for(y=0; y<8; y++){
             const int index= 256 + 64 + 4*(y&3) + 32*(y>>2);
             for(x=0; x<8; x++){
-                tprintf("CHROMA V ICPM LEVEL (%3d)\n", show_bits(&s->gb, 8));
+                tprintf(s->avctx, "CHROMA V ICPM LEVEL (%3d)\n", show_bits(&s->gb, 8));
                 h->mb[index + (x&3) + 16*(x>>2)]= get_bits(&s->gb, 8);
             }
         }
@@ -4795,10 +5197,16 @@ decode_intra_mb:
         return 0;
     }
 
+    if(MB_MBAFF){
+        h->ref_count[0] <<= 1;
+        h->ref_count[1] <<= 1;
+    }
+
     fill_caches(h, mb_type, 0);
 
     //mb_pred
     if(IS_INTRA(mb_type)){
+            int pred_mode;
 //            init_top_left_availability(h);
             if(IS_INTRA4x4(mb_type)){
                 int i;
@@ -4810,18 +5218,11 @@ decode_intra_mb:
 
 //                fill_intra4x4_pred_table(h);
                 for(i=0; i<16; i+=di){
-                    const int mode_coded= !get_bits1(&s->gb);
-                    const int predicted_mode=  pred_intra_mode(h, i);
-                    int mode;
+                    int mode= pred_intra_mode(h, i);
 
-                    if(mode_coded){
+                    if(!get_bits1(&s->gb)){
                         const int rem_mode= get_bits(&s->gb, 3);
-                        if(rem_mode<predicted_mode)
-                            mode= rem_mode;
-                        else
-                            mode= rem_mode + 1;
-                    }else{
-                        mode= predicted_mode;
+                        mode = rem_mode + (rem_mode >= mode);
                     }
 
                     if(di==4)
@@ -4837,11 +5238,11 @@ decode_intra_mb:
                 if(h->intra16x16_pred_mode < 0)
                     return -1;
             }
-            h->chroma_pred_mode= get_ue_golomb(&s->gb);
 
-            h->chroma_pred_mode= check_intra_pred_mode(h, h->chroma_pred_mode);
-            if(h->chroma_pred_mode < 0)
+            pred_mode= check_intra_pred_mode(h, get_ue_golomb(&s->gb));
+            if(pred_mode < 0)
                 return -1;
+            h->chroma_pred_mode= pred_mode;
     }else if(partition_count==4){
         int i, j, sub_partition_count[4], list, ref[2][4];
 
@@ -4849,21 +5250,26 @@ decode_intra_mb:
             for(i=0; i<4; i++){
                 h->sub_mb_type[i]= get_ue_golomb(&s->gb);
                 if(h->sub_mb_type[i] >=13){
-                    av_log(h->s.avctx, AV_LOG_ERROR, "B sub_mb_type %d out of range at %d %d\n", h->sub_mb_type[i], s->mb_x, s->mb_y);
+                    av_log(h->s.avctx, AV_LOG_ERROR, "B sub_mb_type %u out of range at %d %d\n", h->sub_mb_type[i], s->mb_x, s->mb_y);
                     return -1;
                 }
                 sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
                 h->sub_mb_type[i]=      b_sub_mb_type_info[ h->sub_mb_type[i] ].type;
             }
             if(   IS_DIRECT(h->sub_mb_type[0]) || IS_DIRECT(h->sub_mb_type[1])
-               || IS_DIRECT(h->sub_mb_type[2]) || IS_DIRECT(h->sub_mb_type[3]))
+               || IS_DIRECT(h->sub_mb_type[2]) || IS_DIRECT(h->sub_mb_type[3])) {
                 pred_direct_motion(h, &mb_type);
+                h->ref_cache[0][scan8[4]] =
+                h->ref_cache[1][scan8[4]] =
+                h->ref_cache[0][scan8[12]] =
+                h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE;
+            }
         }else{
             assert(h->slice_type == P_TYPE || h->slice_type == SP_TYPE); //FIXME SP correct ?
             for(i=0; i<4; i++){
                 h->sub_mb_type[i]= get_ue_golomb(&s->gb);
                 if(h->sub_mb_type[i] >=4){
-                    av_log(h->s.avctx, AV_LOG_ERROR, "P sub_mb_type %d out of range at %d %d\n", h->sub_mb_type[i], s->mb_x, s->mb_y);
+                    av_log(h->s.avctx, AV_LOG_ERROR, "P sub_mb_type %u out of range at %d %d\n", h->sub_mb_type[i], s->mb_x, s->mb_y);
                     return -1;
                 }
                 sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
@@ -4871,16 +5277,17 @@ decode_intra_mb:
             }
         }
 
-        for(list=0; list<2; list++){
+        for(list=0; list<h->list_count; list++){
             int ref_count= IS_REF0(mb_type) ? 1 : h->ref_count[list];
-            if(ref_count == 0) continue;
-            if (h->mb_aff_frame && h->mb_field_decoding_flag) {
-                ref_count <<= 1;
-            }
             for(i=0; i<4; i++){
                 if(IS_DIRECT(h->sub_mb_type[i])) continue;
                 if(IS_DIR(h->sub_mb_type[i], 0, list)){
-                    ref[list][i] = get_te0_golomb(&s->gb, ref_count); //FIXME init to 0 before and skip?
+                    unsigned int tmp = get_te0_golomb(&s->gb, ref_count); //FIXME init to 0 before and skip?
+                    if(tmp>=ref_count){
+                        av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\n", tmp);
+                        return -1;
+                    }
+                    ref[list][i]= tmp;
                 }else{
                  //FIXME
                     ref[list][i] = -1;
@@ -4891,12 +5298,12 @@ decode_intra_mb:
         if(dct8x8_allowed)
             dct8x8_allowed = get_dct8x8_allowed(h);
 
-        for(list=0; list<2; list++){
-            const int ref_count= IS_REF0(mb_type) ? 1 : h->ref_count[list];
-            if(ref_count == 0) continue;
-
+        for(list=0; list<h->list_count; list++){
             for(i=0; i<4; i++){
-                if(IS_DIRECT(h->sub_mb_type[i])) continue;
+                if(IS_DIRECT(h->sub_mb_type[i])) {
+                    h->ref_cache[list][ scan8[4*i] ] = h->ref_cache[list][ scan8[4*i]+1 ];
+                    continue;
+                }
                 h->ref_cache[list][ scan8[4*i]   ]=h->ref_cache[list][ scan8[4*i]+1 ]=
                 h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];
 
@@ -4910,24 +5317,22 @@ decode_intra_mb:
                         pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mx, &my);
                         mx += get_se_golomb(&s->gb);
                         my += get_se_golomb(&s->gb);
-                        tprintf("final mv:%d %d\n", mx, my);
+                        tprintf(s->avctx, "final mv:%d %d\n", mx, my);
 
                         if(IS_SUB_8X8(sub_mb_type)){
-                            mv_cache[ 0 ][0]= mv_cache[ 1 ][0]=
+                            mv_cache[ 1 ][0]=
                             mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
-                            mv_cache[ 0 ][1]= mv_cache[ 1 ][1]=
+                            mv_cache[ 1 ][1]=
                             mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
                         }else if(IS_SUB_8X4(sub_mb_type)){
-                            mv_cache[ 0 ][0]= mv_cache[ 1 ][0]= mx;
-                            mv_cache[ 0 ][1]= mv_cache[ 1 ][1]= my;
+                            mv_cache[ 1 ][0]= mx;
+                            mv_cache[ 1 ][1]= my;
                         }else if(IS_SUB_4X8(sub_mb_type)){
-                            mv_cache[ 0 ][0]= mv_cache[ 8 ][0]= mx;
-                            mv_cache[ 0 ][1]= mv_cache[ 8 ][1]= my;
-                        }else{
-                            assert(IS_SUB_4X4(sub_mb_type));
-                            mv_cache[ 0 ][0]= mx;
-                            mv_cache[ 0 ][1]= my;
+                            mv_cache[ 8 ][0]= mx;
+                            mv_cache[ 8 ][1]= my;
                         }
+                        mv_cache[ 0 ][0]= mx;
+                        mv_cache[ 0 ][1]= my;
                     }
                 }else{
                     uint32_t *p= (uint32_t *)&h->mv_cache[list][ scan8[4*i] ][0];
@@ -4943,76 +5348,91 @@ decode_intra_mb:
         int list, mx, my, i;
          //FIXME we should set ref_idx_l? to 0 if we use that later ...
         if(IS_16X16(mb_type)){
-            for(list=0; list<2; list++){
-                if(h->ref_count[list]>0){
+            for(list=0; list<h->list_count; list++){
+                    unsigned int val;
                     if(IS_DIR(mb_type, 0, list)){
-                        const int val= get_te0_golomb(&s->gb, h->ref_count[list]);
-                        fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, val, 1);
+                        val= get_te0_golomb(&s->gb, h->ref_count[list]);
+                        if(val >= h->ref_count[list]){
+                            av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\n", val);
+                            return -1;
+                        }
                     }else
-                        fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, (LIST_NOT_USED&0xFF), 1);
-                }
+                        val= LIST_NOT_USED&0xFF;
+                    fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, val, 1);
             }
-            for(list=0; list<2; list++){
+            for(list=0; list<h->list_count; list++){
+                unsigned int val;
                 if(IS_DIR(mb_type, 0, list)){
                     pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mx, &my);
                     mx += get_se_golomb(&s->gb);
                     my += get_se_golomb(&s->gb);
-                    tprintf("final mv:%d %d\n", mx, my);
+                    tprintf(s->avctx, "final mv:%d %d\n", mx, my);
 
-                    fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);
+                    val= pack16to32(mx,my);
                 }else
-                    fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, 0, 4);
+                    val=0;
+                fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, val, 4);
             }
         }
         else if(IS_16X8(mb_type)){
-            for(list=0; list<2; list++){
-                if(h->ref_count[list]>0){
+            for(list=0; list<h->list_count; list++){
                     for(i=0; i<2; i++){
+                        unsigned int val;
                         if(IS_DIR(mb_type, i, list)){
-                            const int val= get_te0_golomb(&s->gb, h->ref_count[list]);
-                            fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, val, 1);
+                            val= get_te0_golomb(&s->gb, h->ref_count[list]);
+                            if(val >= h->ref_count[list]){
+                                av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\n", val);
+                                return -1;
+                            }
                         }else
-                            fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1);
+                            val= LIST_NOT_USED&0xFF;
+                        fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, val, 1);
                     }
-                }
             }
-            for(list=0; list<2; list++){
+            for(list=0; list<h->list_count; list++){
                 for(i=0; i<2; i++){
+                    unsigned int val;
                     if(IS_DIR(mb_type, i, list)){
                         pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mx, &my);
                         mx += get_se_golomb(&s->gb);
                         my += get_se_golomb(&s->gb);
-                        tprintf("final mv:%d %d\n", mx, my);
+                        tprintf(s->avctx, "final mv:%d %d\n", mx, my);
 
-                        fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);
+                        val= pack16to32(mx,my);
                     }else
-                        fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, 0, 4);
+                        val=0;
+                    fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, val, 4);
                 }
             }
         }else{
             assert(IS_8X16(mb_type));
-            for(list=0; list<2; list++){
-                if(h->ref_count[list]>0){
+            for(list=0; list<h->list_count; list++){
                     for(i=0; i<2; i++){
+                        unsigned int val;
                         if(IS_DIR(mb_type, i, list)){ //FIXME optimize
-                            const int val= get_te0_golomb(&s->gb, h->ref_count[list]);
-                            fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, val, 1);
+                            val= get_te0_golomb(&s->gb, h->ref_count[list]);
+                            if(val >= h->ref_count[list]){
+                                av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\n", val);
+                                return -1;
+                            }
                         }else
-                            fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1);
+                            val= LIST_NOT_USED&0xFF;
+                        fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, val, 1);
                     }
-                }
             }
-            for(list=0; list<2; list++){
+            for(list=0; list<h->list_count; list++){
                 for(i=0; i<2; i++){
+                    unsigned int val;
                     if(IS_DIR(mb_type, i, list)){
                         pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mx, &my);
                         mx += get_se_golomb(&s->gb);
                         my += get_se_golomb(&s->gb);
-                        tprintf("final mv:%d %d\n", mx, my);
+                        tprintf(s->avctx, "final mv:%d %d\n", mx, my);
 
-                        fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);
+                        val= pack16to32(mx,my);
                     }else
-                        fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, 0, 4);
+                        val=0;
+                    fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, val, 4);
                 }
             }
         }
@@ -5024,7 +5444,7 @@ decode_intra_mb:
     if(!IS_INTRA16x16(mb_type)){
         cbp= get_ue_golomb(&s->gb);
         if(cbp > 47){
-            av_log(h->s.avctx, AV_LOG_ERROR, "cbp too large (%d) at %d %d\n", cbp, s->mb_x, s->mb_y);
+            av_log(h->s.avctx, AV_LOG_ERROR, "cbp too large (%u) at %d %d\n", cbp, s->mb_x, s->mb_y);
             return -1;
         }
 
@@ -5033,6 +5453,7 @@ decode_intra_mb:
         else
             cbp= golomb_to_inter_cbp[cbp];
     }
+    h->cbp = cbp;
 
     if(dct8x8_allowed && (cbp&15) && !IS_INTRA(mb_type)){
         if(get_bits1(&s->gb))
@@ -5044,14 +5465,16 @@ decode_intra_mb:
         int i8x8, i4x4, chroma_idx;
         int chroma_qp, dquant;
         GetBitContext *gb= IS_INTRA(mb_type) ? h->intra_gb_ptr : h->inter_gb_ptr;
-        const uint8_t *scan, *dc_scan;
+        const uint8_t *scan, *scan8x8, *dc_scan;
 
 //        fill_non_zero_count_cache(h);
 
         if(IS_INTERLACED(mb_type)){
+            scan8x8= s->qscale ? h->field_scan8x8_cavlc : h->field_scan8x8_cavlc_q0;
             scan= s->qscale ? h->field_scan : h->field_scan_q0;
             dc_scan= luma_dc_field_scan;
         }else{
+            scan8x8= s->qscale ? h->zigzag_scan8x8_cavlc : h->zigzag_scan8x8_cavlc_q0;
             scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
             dc_scan= luma_dc_zigzag_scan;
         }
@@ -5096,12 +5519,12 @@ decode_intra_mb:
                         DCTELEM *buf = &h->mb[64*i8x8];
                         uint8_t *nnz;
                         for(i4x4=0; i4x4<4; i4x4++){
-                            if( decode_residual(h, gb, buf, i4x4+4*i8x8, zigzag_scan8x8_cavlc+16*i4x4,
+                            if( decode_residual(h, gb, buf, i4x4+4*i8x8, scan8x8+16*i4x4,
                                                 h->dequant8_coeff[IS_INTRA( mb_type ) ? 0:1][s->qscale], 16) <0 )
                                 return -1;
                         }
                         nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ];
-                        nnz[0] |= nnz[1] | nnz[8] | nnz[9];
+                        nnz[0] += nnz[1] + nnz[8] + nnz[9];
                     }else{
                         for(i4x4=0; i4x4<4; i4x4++){
                             const int index= i4x4 + 4*i8x8;
@@ -5148,6 +5571,11 @@ decode_intra_mb:
     s->current_picture.qscale_table[mb_xy]= s->qscale;
     write_back_non_zero_count(h);
 
+    if(MB_MBAFF){
+        h->ref_count[0] >>= 1;
+        h->ref_count[1] >>= 1;
+    }
+
     return 0;
 }
 
@@ -5167,7 +5595,7 @@ static int decode_cabac_field_decoding_flag(H264Context *h) {
         ctx += 1;
     }
 
-    return get_cabac( &h->cabac, &h->cabac_state[70 + ctx] );
+    return get_cabac_noinline( &h->cabac, &h->cabac_state[70 + ctx] );
 }
 
 static int decode_cabac_intra_mb_type(H264Context *h, int ctx_base, int intra_slice) {
@@ -5183,11 +5611,11 @@ static int decode_cabac_intra_mb_type(H264Context *h, int ctx_base, int intra_sl
             ctx++;
         if( h->slice_table[mbb_xy] == h->slice_num && !IS_INTRA4x4( s->current_picture.mb_type[mbb_xy] ) )
             ctx++;
-        if( get_cabac( &h->cabac, &state[ctx] ) == 0 )
+        if( get_cabac_noinline( &h->cabac, &state[ctx] ) == 0 )
             return 0;   /* I4x4 */
         state += 2;
     }else{
-        if( get_cabac( &h->cabac, &state[0] ) == 0 )
+        if( get_cabac_noinline( &h->cabac, &state[0] ) == 0 )
             return 0;   /* I4x4 */
     }
 
@@ -5195,19 +5623,11 @@ static int decode_cabac_intra_mb_type(H264Context *h, int ctx_base, int intra_sl
         return 25;  /* PCM */
 
     mb_type = 1; /* I16x16 */
-    if( get_cabac( &h->cabac, &state[1] ) )
-        mb_type += 12;  /* cbp_luma != 0 */
-
-    if( get_cabac( &h->cabac, &state[2] ) ) {
-        if( get_cabac( &h->cabac, &state[2+intra_slice] ) )
-            mb_type += 4 * 2;   /* cbp_chroma == 2 */
-        else
-            mb_type += 4 * 1;   /* cbp_chroma == 1 */
-    }
-    if( get_cabac( &h->cabac, &state[3+intra_slice] ) )
-        mb_type += 2;
-    if( get_cabac( &h->cabac, &state[3+2*intra_slice] ) )
-        mb_type += 1;
+    mb_type += 12 * get_cabac_noinline( &h->cabac, &state[1] ); /* cbp_luma != 0 */
+    if( get_cabac_noinline( &h->cabac, &state[2] ) ) /* cbp_chroma */
+        mb_type += 4 + 4 * get_cabac_noinline( &h->cabac, &state[2+intra_slice] );
+    mb_type += 2 * get_cabac_noinline( &h->cabac, &state[3+intra_slice] );
+    mb_type += 1 * get_cabac_noinline( &h->cabac, &state[3+2*intra_slice] );
     return mb_type;
 }
 
@@ -5217,18 +5637,14 @@ static int decode_cabac_mb_type( H264Context *h ) {
     if( h->slice_type == I_TYPE ) {
         return decode_cabac_intra_mb_type(h, 3, 1);
     } else if( h->slice_type == P_TYPE ) {
-        if( get_cabac( &h->cabac, &h->cabac_state[14] ) == 0 ) {
+        if( get_cabac_noinline( &h->cabac, &h->cabac_state[14] ) == 0 ) {
             /* P-type */
-            if( get_cabac( &h->cabac, &h->cabac_state[15] ) == 0 ) {
-                if( get_cabac( &h->cabac, &h->cabac_state[16] ) == 0 )
-                    return 0; /* P_L0_D16x16; */
-                else
-                    return 3; /* P_8x8; */
+            if( get_cabac_noinline( &h->cabac, &h->cabac_state[15] ) == 0 ) {
+                /* P_L0_D16x16, P_8x8 */
+                return 3 * get_cabac_noinline( &h->cabac, &h->cabac_state[16] );
             } else {
-                if( get_cabac( &h->cabac, &h->cabac_state[17] ) == 0 )
-                    return 2; /* P_L0_D8x16; */
-                else
-                    return 1; /* P_L0_D16x8; */
+                /* P_L0_D8x16, P_L0_D16x8 */
+                return 2 - get_cabac_noinline( &h->cabac, &h->cabac_state[17] );
             }
         } else {
             return decode_cabac_intra_mb_type(h, 17, 0) + 5;
@@ -5239,24 +5655,22 @@ static int decode_cabac_mb_type( H264Context *h ) {
         int ctx = 0;
         int bits;
 
-        if( h->slice_table[mba_xy] == h->slice_num && !IS_SKIP( s->current_picture.mb_type[mba_xy] )
-                      && !IS_DIRECT( s->current_picture.mb_type[mba_xy] ) )
+        if( h->slice_table[mba_xy] == h->slice_num && !IS_DIRECT( s->current_picture.mb_type[mba_xy] ) )
             ctx++;
-        if( h->slice_table[mbb_xy] == h->slice_num && !IS_SKIP( s->current_picture.mb_type[mbb_xy] )
-                      && !IS_DIRECT( s->current_picture.mb_type[mbb_xy] ) )
+        if( h->slice_table[mbb_xy] == h->slice_num && !IS_DIRECT( s->current_picture.mb_type[mbb_xy] ) )
             ctx++;
 
-        if( !get_cabac( &h->cabac, &h->cabac_state[27+ctx] ) )
+        if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+ctx] ) )
             return 0; /* B_Direct_16x16 */
 
-        if( !get_cabac( &h->cabac, &h->cabac_state[27+3] ) ) {
-            return 1 + get_cabac( &h->cabac, &h->cabac_state[27+5] ); /* B_L[01]_16x16 */
+        if( !get_cabac_noinline( &h->cabac, &h->cabac_state[27+3] ) ) {
+            return 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ); /* B_L[01]_16x16 */
         }
 
-        bits = get_cabac( &h->cabac, &h->cabac_state[27+4] ) << 3;
-        bits|= get_cabac( &h->cabac, &h->cabac_state[27+5] ) << 2;
-        bits|= get_cabac( &h->cabac, &h->cabac_state[27+5] ) << 1;
-        bits|= get_cabac( &h->cabac, &h->cabac_state[27+5] );
+        bits = get_cabac_noinline( &h->cabac, &h->cabac_state[27+4] ) << 3;
+        bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 2;
+        bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] ) << 1;
+        bits|= get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
         if( bits < 8 )
             return bits + 3; /* B_Bi_16x16 through B_L1_L0_16x8 */
         else if( bits == 13 ) {
@@ -5266,7 +5680,7 @@ static int decode_cabac_mb_type( H264Context *h ) {
         else if( bits == 15 )
             return 22; /* B_8x8 */
 
-        bits= ( bits<<1 ) | get_cabac( &h->cabac, &h->cabac_state[27+5] );
+        bits= ( bits<<1 ) | get_cabac_noinline( &h->cabac, &h->cabac_state[27+5] );
         return bits - 4; /* B_L0_Bi_* through B_Bi_Bi_* */
     } else {
         /* TODO SI/SP frames? */
@@ -5274,22 +5688,40 @@ static int decode_cabac_mb_type( H264Context *h ) {
     }
 }
 
-static int decode_cabac_mb_skip( H264Context *h) {
+static int decode_cabac_mb_skip( H264Context *h, int mb_x, int mb_y ) {
     MpegEncContext * const s = &h->s;
-    const int mb_xy = s->mb_x + s->mb_y*s->mb_stride;
-    const int mba_xy = mb_xy - 1;
-    const int mbb_xy = mb_xy - s->mb_stride;
+    int mba_xy, mbb_xy;
     int ctx = 0;
 
+    if(FRAME_MBAFF){ //FIXME merge with the stuff in fill_caches?
+        int mb_xy = mb_x + (mb_y&~1)*s->mb_stride;
+        mba_xy = mb_xy - 1;
+        if( (mb_y&1)
+            && h->slice_table[mba_xy] == h->slice_num
+            && MB_FIELD == !!IS_INTERLACED( s->current_picture.mb_type[mba_xy] ) )
+            mba_xy += s->mb_stride;
+        if( MB_FIELD ){
+            mbb_xy = mb_xy - s->mb_stride;
+            if( !(mb_y&1)
+                && h->slice_table[mbb_xy] == h->slice_num
+                && IS_INTERLACED( s->current_picture.mb_type[mbb_xy] ) )
+                mbb_xy -= s->mb_stride;
+        }else
+            mbb_xy = mb_x + (mb_y-1)*s->mb_stride;
+    }else{
+        int mb_xy = mb_x + mb_y*s->mb_stride;
+        mba_xy = mb_xy - 1;
+        mbb_xy = mb_xy - s->mb_stride;
+    }
+
     if( h->slice_table[mba_xy] == h->slice_num && !IS_SKIP( s->current_picture.mb_type[mba_xy] ))
         ctx++;
     if( h->slice_table[mbb_xy] == h->slice_num && !IS_SKIP( s->current_picture.mb_type[mbb_xy] ))
         ctx++;
 
-    if( h->slice_type == P_TYPE || h->slice_type == SP_TYPE)
-        return get_cabac( &h->cabac, &h->cabac_state[11+ctx] );
-    else /* B-frame */
-        return get_cabac( &h->cabac, &h->cabac_state[24+ctx] );
+    if( h->slice_type == B_TYPE )
+        ctx += 13;
+    return get_cabac_noinline( &h->cabac, &h->cabac_state[11+ctx] );
 }
 
 static int decode_cabac_mb_intra4x4_pred_mode( H264Context *h, int pred_mode ) {
@@ -5321,12 +5753,12 @@ static int decode_cabac_mb_chroma_pre_mode( H264Context *h) {
     if( h->slice_table[mbb_xy] == h->slice_num && h->chroma_pred_mode_table[mbb_xy] != 0 )
         ctx++;
 
-    if( get_cabac( &h->cabac, &h->cabac_state[64+ctx] ) == 0 )
+    if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+ctx] ) == 0 )
         return 0;
 
-    if( get_cabac( &h->cabac, &h->cabac_state[64+3] ) == 0 )
+    if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )
         return 1;
-    if( get_cabac( &h->cabac, &h->cabac_state[64+3] ) == 0 )
+    if( get_cabac_noinline( &h->cabac, &h->cabac_state[64+3] ) == 0 )
         return 2;
     else
         return 3;
@@ -5346,14 +5778,17 @@ static const uint8_t block_idx_xy[4][4] = {
 };
 
 static int decode_cabac_mb_cbp_luma( H264Context *h) {
-    MpegEncContext * const s = &h->s;
-
     int cbp = 0;
+    int cbp_b = -1;
     int i8x8;
 
+    if( h->slice_table[h->top_mb_xy] == h->slice_num ) {
+        cbp_b = h->top_cbp;
+        tprintf(h->s.avctx, "cbp_b = top_cbp = %x\n", cbp_b);
+    }
+
     for( i8x8 = 0; i8x8 < 4; i8x8++ ) {
         int cbp_a = -1;
-        int cbp_b = -1;
         int x, y;
         int ctx = 0;
 
@@ -5362,17 +5797,13 @@ static int decode_cabac_mb_cbp_luma( H264Context *h) {
 
         if( x > 0 )
             cbp_a = cbp;
-        else if( s->mb_x > 0 && (h->slice_table[h->left_mb_xy[0]] == h->slice_num)) {
+        else if( h->slice_table[h->left_mb_xy[0]] == h->slice_num ) {
             cbp_a = h->left_cbp;
-            tprintf("cbp_a = left_cbp = %x\n", cbp_a);
+            tprintf(h->s.avctx, "cbp_a = left_cbp = %x\n", cbp_a);
         }
 
         if( y > 0 )
             cbp_b = cbp;
-        else if( s->mb_y > 0 && (h->slice_table[h->top_mb_xy] == h->slice_num)) {
-            cbp_b = h->top_cbp;
-            tprintf("cbp_b = top_cbp = %x\n", cbp_b);
-        }
 
         /* No need to test for skip as we put 0 for skip block */
         /* No need to test for IPCM as we put 1 for IPCM block */
@@ -5404,13 +5835,13 @@ static int decode_cabac_mb_cbp_chroma( H264Context *h) {
     ctx = 0;
     if( cbp_a > 0 ) ctx++;
     if( cbp_b > 0 ) ctx += 2;
-    if( get_cabac( &h->cabac, &h->cabac_state[77 + ctx] ) == 0 )
+    if( get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] ) == 0 )
         return 0;
 
     ctx = 4;
     if( cbp_a == 2 ) ctx++;
     if( cbp_b == 2 ) ctx += 2;
-    return 1 + get_cabac( &h->cabac, &h->cabac_state[77 + ctx] );
+    return 1 + get_cabac_noinline( &h->cabac, &h->cabac_state[77 + ctx] );
 }
 static int decode_cabac_mb_dqp( H264Context *h) {
     MpegEncContext * const s = &h->s;
@@ -5423,16 +5854,16 @@ static int decode_cabac_mb_dqp( H264Context *h) {
     else
         mbn_xy = s->mb_width - 1 + (s->mb_y-1)*s->mb_stride;
 
-    if( h->last_qscale_diff != 0 && ( IS_INTRA16x16(s->current_picture.mb_type[mbn_xy] ) || (h->cbp_table[mbn_xy]&0x3f) ) )
+    if( h->last_qscale_diff != 0 )
         ctx++;
 
-    while( get_cabac( &h->cabac, &h->cabac_state[60 + ctx] ) ) {
+    while( get_cabac_noinline( &h->cabac, &h->cabac_state[60 + ctx] ) ) {
         if( ctx < 2 )
             ctx = 2;
         else
             ctx = 3;
         val++;
-        if(val > 52) //prevent infinite loop
+        if(val > 102) //prevent infinite loop
             return INT_MIN;
     }
 
@@ -5468,7 +5899,7 @@ static int decode_cabac_b_mb_sub_type( H264Context *h ) {
 }
 
 static inline int decode_cabac_mb_transform_size( H264Context *h ) {
-    return get_cabac( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] );
+    return get_cabac_noinline( &h->cabac, &h->cabac_state[399 + h->neighbor_transform_size] );
 }
 
 static int decode_cabac_mb_ref( H264Context *h, int list, int n ) {
@@ -5495,6 +5926,10 @@ static int decode_cabac_mb_ref( H264Context *h, int list, int n ) {
             ctx = 4;
         else
             ctx = 5;
+        if(ref >= 32 /*h->ref_list[list]*/){
+            av_log(h->s.avctx, AV_LOG_ERROR, "overflow in decode_cabac_mb_ref\n");
+            return 0; //FIXME we should return -1 and check the return everywhere
+        }
     }
     return ref;
 }
@@ -5528,17 +5963,20 @@ static int decode_cabac_mb_mvd( H264Context *h, int list, int n, int l ) {
         while( get_cabac_bypass( &h->cabac ) ) {
             mvd += 1 << k;
             k++;
+            if(k>24){
+                av_log(h->s.avctx, AV_LOG_ERROR, "overflow in decode_cabac_mb_mvd\n");
+                return INT_MIN;
+            }
         }
         while( k-- ) {
             if( get_cabac_bypass( &h->cabac ) )
                 mvd += 1 << k;
         }
     }
-    if( get_cabac_bypass( &h->cabac ) )  return -mvd;
-    else                                 return  mvd;
+    return get_cabac_bypass_sign( &h->cabac, -mvd );
 }
 
-static int inline get_cabac_cbf_ctx( H264Context *h, int cat, int idx ) {
+static inline int get_cabac_cbf_ctx( H264Context *h, int cat, int idx ) {
     int nza, nzb;
     int ctx = 0;
 
@@ -5566,29 +6004,40 @@ static int inline get_cabac_cbf_ctx( H264Context *h, int cat, int idx ) {
     return ctx + 4 * cat;
 }
 
-static int inline decode_cabac_residual( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff) {
+static const __attribute((used)) uint8_t last_coeff_flag_offset_8x8[63] = {
+    0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
+    3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,
+    5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8
+};
+
+static int decode_cabac_residual( H264Context *h, DCTELEM *block, int cat, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff) {
     const int mb_xy  = h->s.mb_x + h->s.mb_y*h->s.mb_stride;
-    static const int significant_coeff_flag_field_offset[2] = { 105, 277 };
-    static const int last_significant_coeff_flag_field_offset[2] = { 166, 338 };
-    static const int significant_coeff_flag_offset[6] = { 0, 15, 29, 44, 47, 297 };
-    static const int last_significant_coeff_flag_offset[6] = { 0, 15, 29, 44, 47, 251 };
-    static const int coeff_abs_level_m1_offset[6] = { 227+0, 227+10, 227+20, 227+30, 227+39, 426 };
-    static const int significant_coeff_flag_offset_8x8[63] = {
-        0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5,
+    static const int significant_coeff_flag_offset[2][6] = {
+      { 105+0, 105+15, 105+29, 105+44, 105+47, 402 },
+      { 277+0, 277+15, 277+29, 277+44, 277+47, 436 }
+    };
+    static const int last_coeff_flag_offset[2][6] = {
+      { 166+0, 166+15, 166+29, 166+44, 166+47, 417 },
+      { 338+0, 338+15, 338+29, 338+44, 338+47, 451 }
+    };
+    static const int coeff_abs_level_m1_offset[6] = {
+        227+0, 227+10, 227+20, 227+30, 227+39, 426
+    };
+    static const uint8_t significant_coeff_flag_offset_8x8[2][63] = {
+      { 0, 1, 2, 3, 4, 5, 5, 4, 4, 3, 3, 4, 4, 4, 5, 5,
         4, 4, 4, 4, 3, 3, 6, 7, 7, 7, 8, 9,10, 9, 8, 7,
         7, 6,11,12,13,11, 6, 7, 8, 9,14,10, 9, 8, 6,11,
-       12,13,11, 6, 9,14,10, 9,11,12,13,11,14,10,12
-    };
-    static const int last_coeff_flag_offset_8x8[63] = {
-        0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
-        2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
-        3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,
-        5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8
+       12,13,11, 6, 9,14,10, 9,11,12,13,11,14,10,12 },
+      { 0, 1, 1, 2, 2, 3, 3, 4, 5, 6, 7, 7, 7, 8, 4, 5,
+        6, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,11,12,11,
+        9, 9,10,10, 8,11,12,11, 9, 9,10,10, 8,13,13, 9,
+        9,10,10, 8,13,13, 9, 9,10,10,14,14,14,14,14 }
     };
 
     int index[64];
 
-    int i, last;
+    int last;
     int coeff_count = 0;
 
     int abslevel1 = 1;
@@ -5598,6 +6047,20 @@ static int inline decode_cabac_residual( H264Context *h, DCTELEM *block, int cat
     uint8_t *last_coeff_ctx_base;
     uint8_t *abs_level_m1_ctx_base;
 
+#ifndef ARCH_X86
+#define CABAC_ON_STACK
+#endif
+#ifdef CABAC_ON_STACK
+#define CC &cc
+    CABACContext cc;
+    cc.range     = h->cabac.range;
+    cc.low       = h->cabac.low;
+    cc.bytestream= h->cabac.bytestream;
+#else
+#define CC &h->cabac
+#endif
+
+
     /* cat: 0-> DC 16x16  n = 0
      *      1-> AC 16x16  n = luma4x4idx
      *      2-> Luma4x4   n = luma4x4idx
@@ -5608,22 +6071,24 @@ static int inline decode_cabac_residual( H264Context *h, DCTELEM *block, int cat
 
     /* read coded block flag */
     if( cat != 5 ) {
-        if( get_cabac( &h->cabac, &h->cabac_state[85 + get_cabac_cbf_ctx( h, cat, n ) ] ) == 0 ) {
+        if( get_cabac( CC, &h->cabac_state[85 + get_cabac_cbf_ctx( h, cat, n ) ] ) == 0 ) {
             if( cat == 1 || cat == 2 )
                 h->non_zero_count_cache[scan8[n]] = 0;
             else if( cat == 4 )
                 h->non_zero_count_cache[scan8[16+n]] = 0;
-
+#ifdef CABAC_ON_STACK
+            h->cabac.range     = cc.range     ;
+            h->cabac.low       = cc.low       ;
+            h->cabac.bytestream= cc.bytestream;
+#endif
             return 0;
         }
     }
 
     significant_coeff_ctx_base = h->cabac_state
-        + significant_coeff_flag_offset[cat]
-        + significant_coeff_flag_field_offset[h->mb_field_decoding_flag];
+        + significant_coeff_flag_offset[MB_FIELD][cat];
     last_coeff_ctx_base = h->cabac_state
-        + last_significant_coeff_flag_offset[cat]
-        + last_significant_coeff_flag_field_offset[h->mb_field_decoding_flag];
+        + last_coeff_flag_offset[MB_FIELD][cat];
     abs_level_m1_ctx_base = h->cabac_state
         + coeff_abs_level_m1_offset[cat];
 
@@ -5631,22 +6096,28 @@ static int inline decode_cabac_residual( H264Context *h, DCTELEM *block, int cat
 #define DECODE_SIGNIFICANCE( coefs, sig_off, last_off ) \
         for(last= 0; last < coefs; last++) { \
             uint8_t *sig_ctx = significant_coeff_ctx_base + sig_off; \
-            if( get_cabac( &h->cabac, sig_ctx )) { \
+            if( get_cabac( CC, sig_ctx )) { \
                 uint8_t *last_ctx = last_coeff_ctx_base + last_off; \
                 index[coeff_count++] = last; \
-                if( get_cabac( &h->cabac, last_ctx ) ) { \
+                if( get_cabac( CC, last_ctx ) ) { \
                     last= max_coeff; \
                     break; \
                 } \
             } \
+        }\
+        if( last == max_coeff -1 ) {\
+            index[coeff_count++] = last;\
         }
-        DECODE_SIGNIFICANCE( 63, significant_coeff_flag_offset_8x8[last],
-                                 last_coeff_flag_offset_8x8[last] );
+        const uint8_t *sig_off = significant_coeff_flag_offset_8x8[MB_FIELD];
+#if defined(ARCH_X86) && defined(CONFIG_7REGS) && defined(HAVE_EBX_AVAILABLE) && !defined(BROKEN_RELOCATIONS)
+        coeff_count= decode_significance_8x8_x86(CC, significant_coeff_ctx_base, index, sig_off);
+    } else {
+        coeff_count= decode_significance_x86(CC, max_coeff, significant_coeff_ctx_base, index);
+#else
+        DECODE_SIGNIFICANCE( 63, sig_off[last], last_coeff_flag_offset_8x8[last] );
     } else {
         DECODE_SIGNIFICANCE( max_coeff - 1, last, last );
-    }
-    if( last == max_coeff -1 ) {
-        index[coeff_count++] = last;
+#endif
     }
     assert(coeff_count > 0);
 
@@ -5660,69 +6131,72 @@ static int inline decode_cabac_residual( H264Context *h, DCTELEM *block, int cat
         h->non_zero_count_cache[scan8[16+n]] = coeff_count;
     else {
         assert( cat == 5 );
-        fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, 1, 1);
+        fill_rectangle(&h->non_zero_count_cache[scan8[n]], 2, 2, 8, coeff_count, 1);
     }
 
-    for( i = coeff_count - 1; i >= 0; i-- ) {
+    for( coeff_count--; coeff_count >= 0; coeff_count-- ) {
         uint8_t *ctx = (abslevelgt1 != 0 ? 0 : FFMIN( 4, abslevel1 )) + abs_level_m1_ctx_base;
-        int j= scantable[index[i]];
+        int j= scantable[index[coeff_count]];
 
-        if( get_cabac( &h->cabac, ctx ) == 0 ) {
+        if( get_cabac( CC, ctx ) == 0 ) {
             if( !qmul ) {
-                if( get_cabac_bypass( &h->cabac ) ) block[j] = -1;
-                else                                block[j] =  1;
+                block[j] = get_cabac_bypass_sign( CC, -1);
             }else{
-                if( get_cabac_bypass( &h->cabac ) ) block[j] = (-qmul[j] + 32) >> 6;
-                else                                block[j] = ( qmul[j] + 32) >> 6;
+                block[j] = (get_cabac_bypass_sign( CC, -qmul[j]) + 32) >> 6;;
             }
 
             abslevel1++;
         } else {
             int coeff_abs = 2;
             ctx = 5 + FFMIN( 4, abslevelgt1 ) + abs_level_m1_ctx_base;
-            while( coeff_abs < 15 && get_cabac( &h->cabac, ctx ) ) {
+            while( coeff_abs < 15 && get_cabac( CC, ctx ) ) {
                 coeff_abs++;
             }
 
             if( coeff_abs >= 15 ) {
                 int j = 0;
-                while( get_cabac_bypass( &h->cabac ) ) {
-                    coeff_abs += 1 << j;
+                while( get_cabac_bypass( CC ) ) {
                     j++;
                 }
 
+                coeff_abs=1;
                 while( j-- ) {
-                    if( get_cabac_bypass( &h->cabac ) )
-                        coeff_abs += 1 << j ;
+                    coeff_abs += coeff_abs + get_cabac_bypass( CC );
                 }
+                coeff_abs+= 14;
             }
 
             if( !qmul ) {
-                if( get_cabac_bypass( &h->cabac ) ) block[j] = -coeff_abs;
+                if( get_cabac_bypass( CC ) ) block[j] = -coeff_abs;
                 else                                block[j] =  coeff_abs;
             }else{
-                if( get_cabac_bypass( &h->cabac ) ) block[j] = (-coeff_abs * qmul[j] + 32) >> 6;
+                if( get_cabac_bypass( CC ) ) block[j] = (-coeff_abs * qmul[j] + 32) >> 6;
                 else                                block[j] = ( coeff_abs * qmul[j] + 32) >> 6;
             }
 
             abslevelgt1++;
         }
     }
+#ifdef CABAC_ON_STACK
+            h->cabac.range     = cc.range     ;
+            h->cabac.low       = cc.low       ;
+            h->cabac.bytestream= cc.bytestream;
+#endif
     return 0;
 }
 
-void inline compute_mb_neighboors(H264Context *h)
+static inline void compute_mb_neighbors(H264Context *h)
 {
     MpegEncContext * const s = &h->s;
     const int mb_xy  = s->mb_x + s->mb_y*s->mb_stride;
     h->top_mb_xy     = mb_xy - s->mb_stride;
     h->left_mb_xy[0] = mb_xy - 1;
-    if(h->mb_aff_frame){
+    if(FRAME_MBAFF){
         const int pair_xy          = s->mb_x     + (s->mb_y & ~1)*s->mb_stride;
         const int top_pair_xy      = pair_xy     - s->mb_stride;
         const int top_mb_frame_flag      = !IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]);
         const int left_mb_frame_flag = !IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]);
-        const int curr_mb_frame_flag = !h->mb_field_decoding_flag;
+        const int curr_mb_frame_flag = !MB_FIELD;
         const int bottom = (s->mb_y & 1);
         if (bottom
                 ? !curr_mb_frame_flag // bottom macroblock
@@ -5749,10 +6223,27 @@ static int decode_mb_cabac(H264Context *h) {
 
     s->dsp.clear_blocks(h->mb); //FIXME avoid if already clear (move after skip handlong?)
 
-    tprintf("pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y);
+    tprintf(s->avctx, "pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y);
     if( h->slice_type != I_TYPE && h->slice_type != SI_TYPE ) {
+        int skip;
+        /* a skipped mb needs the aff flag from the following mb */
+        if( FRAME_MBAFF && s->mb_x==0 && (s->mb_y&1)==0 )
+            predict_field_decoding_flag(h);
+        if( FRAME_MBAFF && (s->mb_y&1)==1 && h->prev_mb_skipped )
+            skip = h->next_mb_skipped;
+        else
+            skip = decode_cabac_mb_skip( h, s->mb_x, s->mb_y );
         /* read skip flags */
-        if( decode_cabac_mb_skip( h ) ) {
+        if( skip ) {
+            if( FRAME_MBAFF && (s->mb_y&1)==0 ){
+                s->current_picture.mb_type[mb_xy] = MB_TYPE_SKIP;
+                h->next_mb_skipped = decode_cabac_mb_skip( h, s->mb_x, s->mb_y+1 );
+                if(h->next_mb_skipped)
+                    predict_field_decoding_flag(h);
+                else
+                    h->mb_mbaff = h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
+            }
+
             decode_mb_skip(h);
 
             h->cbp_table[mb_xy] = 0;
@@ -5763,15 +6254,16 @@ static int decode_mb_cabac(H264Context *h) {
 
         }
     }
-    if(h->mb_aff_frame){
-        if ( ((s->mb_y&1) == 0) || h->prev_mb_skipped)
+    if(FRAME_MBAFF){
+        if( (s->mb_y&1) == 0 )
+            h->mb_mbaff =
             h->mb_field_decoding_flag = decode_cabac_field_decoding_flag(h);
     }else
         h->mb_field_decoding_flag= (s->picture_structure!=PICT_FRAME);
 
     h->prev_mb_skipped = 0;
 
-    compute_mb_neighboors(h);
+    compute_mb_neighbors(h);
     if( ( mb_type = decode_cabac_mb_type( h ) ) < 0 ) {
         av_log( h->s.avctx, AV_LOG_ERROR, "decode_cabac_mb_type failed\n" );
         return -1;
@@ -5801,7 +6293,7 @@ decode_intra_mb:
         h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode;
         mb_type= i_mb_type_info[mb_type].type;
     }
-    if(h->mb_field_decoding_flag)
+    if(MB_FIELD)
         mb_type |= MB_TYPE_INTERLACED;
 
     h->slice_table[ mb_xy ]= h->slice_num;
@@ -5814,27 +6306,30 @@ decode_intra_mb:
         // FIXME The two following lines get the bitstream position in the cabac
         // decode, I think it should be done by a function in cabac.h (or cabac.c).
         ptr= h->cabac.bytestream;
-        if (h->cabac.low&0x1) ptr-=CABAC_BITS/8;
+        if(h->cabac.low&0x1) ptr--;
+        if(CABAC_BITS==16){
+            if(h->cabac.low&0x1FF) ptr--;
+        }
 
         // The pixels are stored in the same order as levels in h->mb array.
         for(y=0; y<16; y++){
             const int index= 4*(y&3) + 32*((y>>2)&1) + 128*(y>>3);
             for(x=0; x<16; x++){
-                tprintf("LUMA ICPM LEVEL (%3d)\n", *ptr);
+                tprintf(s->avctx, "LUMA ICPM LEVEL (%3d)\n", *ptr);
                 h->mb[index + (x&3) + 16*((x>>2)&1) + 64*(x>>3)]= *ptr++;
             }
         }
         for(y=0; y<8; y++){
             const int index= 256 + 4*(y&3) + 32*(y>>2);
             for(x=0; x<8; x++){
-                tprintf("CHROMA U ICPM LEVEL (%3d)\n", *ptr);
+                tprintf(s->avctx, "CHROMA U ICPM LEVEL (%3d)\n", *ptr);
                 h->mb[index + (x&3) + 16*(x>>2)]= *ptr++;
             }
         }
         for(y=0; y<8; y++){
             const int index= 256 + 64 + 4*(y&3) + 32*(y>>2);
             for(x=0; x<8; x++){
-                tprintf("CHROMA V ICPM LEVEL (%3d)\n", *ptr);
+                tprintf(s->avctx, "CHROMA V ICPM LEVEL (%3d)\n", *ptr);
                 h->mb[index + (x&3) + 16*(x>>2)]= *ptr++;
             }
         }
@@ -5853,10 +6348,15 @@ decode_intra_mb:
         return 0;
     }
 
+    if(MB_MBAFF){
+        h->ref_count[0] <<= 1;
+        h->ref_count[1] <<= 1;
+    }
+
     fill_caches(h, mb_type, 0);
 
     if( IS_INTRA( mb_type ) ) {
-        int i;
+        int i, pred_mode;
         if( IS_INTRA4x4( mb_type ) ) {
             if( dct8x8_allowed && decode_cabac_mb_transform_size( h ) ) {
                 mb_type |= MB_TYPE_8x8DCT;
@@ -5880,10 +6380,11 @@ decode_intra_mb:
             if( h->intra16x16_pred_mode < 0 ) return -1;
         }
         h->chroma_pred_mode_table[mb_xy] =
-            h->chroma_pred_mode          = decode_cabac_mb_chroma_pre_mode( h );
+        pred_mode                        = decode_cabac_mb_chroma_pre_mode( h );
 
-        h->chroma_pred_mode= check_intra_pred_mode( h, h->chroma_pred_mode );
-        if( h->chroma_pred_mode < 0 ) return -1;
+        pred_mode= check_intra_pred_mode( h, pred_mode );
+        if( pred_mode < 0 ) return -1;
+        h->chroma_pred_mode= pred_mode;
     } else if( partition_count == 4 ) {
         int i, j, sub_partition_count[4], list, ref[2][4];
 
@@ -5893,8 +6394,8 @@ decode_intra_mb:
                 sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count;
                 h->sub_mb_type[i]=      b_sub_mb_type_info[ h->sub_mb_type[i] ].type;
             }
-            if(   IS_DIRECT(h->sub_mb_type[0]) || IS_DIRECT(h->sub_mb_type[1])
-               || IS_DIRECT(h->sub_mb_type[2]) || IS_DIRECT(h->sub_mb_type[3])) {
+            if( IS_DIRECT(h->sub_mb_type[0] | h->sub_mb_type[1] |
+                          h->sub_mb_type[2] | h->sub_mb_type[3]) ) {
                 pred_direct_motion(h, &mb_type);
                 if( h->ref_count[0] > 1 || h->ref_count[1] > 1 ) {
                     for( i = 0; i < 4; i++ )
@@ -5910,8 +6411,7 @@ decode_intra_mb:
             }
         }
 
-        for( list = 0; list < 2; list++ ) {
-            if( h->ref_count[list] > 0 ) {
+        for( list = 0; list < h->list_count; list++ ) {
                 for( i = 0; i < 4; i++ ) {
                     if(IS_DIRECT(h->sub_mb_type[i])) continue;
                     if(IS_DIR(h->sub_mb_type[i], 0, list)){
@@ -5925,13 +6425,12 @@ decode_intra_mb:
                                                        h->ref_cache[list][ scan8[4*i]+1 ]=
                     h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i];
                 }
-            }
         }
 
         if(dct8x8_allowed)
             dct8x8_allowed = get_dct8x8_allowed(h);
 
-        for(list=0; list<2; list++){
+        for(list=0; list<h->list_count; list++){
             for(i=0; i<4; i++){
                 if(IS_DIRECT(h->sub_mb_type[i])){
                     fill_rectangle(h->mvd_cache[list][scan8[4*i]], 2, 2, 8, 0, 4);
@@ -5952,38 +6451,36 @@ decode_intra_mb:
 
                         mx = mpx + decode_cabac_mb_mvd( h, list, index, 0 );
                         my = mpy + decode_cabac_mb_mvd( h, list, index, 1 );
-                        tprintf("final mv:%d %d\n", mx, my);
+                        tprintf(s->avctx, "final mv:%d %d\n", mx, my);
 
                         if(IS_SUB_8X8(sub_mb_type)){
-                            mv_cache[ 0 ][0]= mv_cache[ 1 ][0]=
+                            mv_cache[ 1 ][0]=
                             mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx;
-                            mv_cache[ 0 ][1]= mv_cache[ 1 ][1]=
+                            mv_cache[ 1 ][1]=
                             mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my;
 
-                            mvd_cache[ 0 ][0]= mvd_cache[ 1 ][0]=
+                            mvd_cache[ 1 ][0]=
                             mvd_cache[ 8 ][0]= mvd_cache[ 9 ][0]= mx - mpx;
-                            mvd_cache[ 0 ][1]= mvd_cache[ 1 ][1]=
+                            mvd_cache[ 1 ][1]=
                             mvd_cache[ 8 ][1]= mvd_cache[ 9 ][1]= my - mpy;
                         }else if(IS_SUB_8X4(sub_mb_type)){
-                            mv_cache[ 0 ][0]= mv_cache[ 1 ][0]= mx;
-                            mv_cache[ 0 ][1]= mv_cache[ 1 ][1]= my;
+                            mv_cache[ 1 ][0]= mx;
+                            mv_cache[ 1 ][1]= my;
 
-                            mvd_cache[ 0 ][0]= mvd_cache[ 1 ][0]= mx- mpx;
-                            mvd_cache[ 0 ][1]= mvd_cache[ 1 ][1]= my - mpy;
+                            mvd_cache[ 1 ][0]= mx - mpx;
+                            mvd_cache[ 1 ][1]= my - mpy;
                         }else if(IS_SUB_4X8(sub_mb_type)){
-                            mv_cache[ 0 ][0]= mv_cache[ 8 ][0]= mx;
-                            mv_cache[ 0 ][1]= mv_cache[ 8 ][1]= my;
-
-                            mvd_cache[ 0 ][0]= mvd_cache[ 8 ][0]= mx - mpx;
-                            mvd_cache[ 0 ][1]= mvd_cache[ 8 ][1]= my - mpy;
-                        }else{
-                            assert(IS_SUB_4X4(sub_mb_type));
-                            mv_cache[ 0 ][0]= mx;
-                            mv_cache[ 0 ][1]= my;
+                            mv_cache[ 8 ][0]= mx;
+                            mv_cache[ 8 ][1]= my;
 
-                            mvd_cache[ 0 ][0]= mx - mpx;
-                            mvd_cache[ 0 ][1]= my - mpy;
+                            mvd_cache[ 8 ][0]= mx - mpx;
+                            mvd_cache[ 8 ][1]= my - mpy;
                         }
+                        mv_cache[ 0 ][0]= mx;
+                        mv_cache[ 0 ][1]= my;
+
+                        mvd_cache[ 0 ][0]= mx - mpx;
+                        mvd_cache[ 0 ][1]= my - mpy;
                     }
                 }else{
                     uint32_t *p= (uint32_t *)&h->mv_cache[list][ scan8[4*i] ][0];
@@ -6001,22 +6498,20 @@ decode_intra_mb:
     } else {
         int list, mx, my, i, mpx, mpy;
         if(IS_16X16(mb_type)){
-            for(list=0; list<2; list++){
+            for(list=0; list<h->list_count; list++){
                 if(IS_DIR(mb_type, 0, list)){
-                    if(h->ref_count[list] > 0 ){
                         const int ref = h->ref_count[list] > 1 ? decode_cabac_mb_ref( h, list, 0 ) : 0;
                         fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, ref, 1);
-                    }
                 }else
-                    fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, (uint8_t)LIST_NOT_USED, 1);
+                    fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, (uint8_t)LIST_NOT_USED, 1); //FIXME factorize and the other fill_rect below too
             }
-            for(list=0; list<2; list++){
+            for(list=0; list<h->list_count; list++){
                 if(IS_DIR(mb_type, 0, list)){
                     pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mpx, &mpy);
 
                     mx = mpx + decode_cabac_mb_mvd( h, list, 0, 0 );
                     my = mpy + decode_cabac_mb_mvd( h, list, 0, 1 );
-                    tprintf("final mv:%d %d\n", mx, my);
+                    tprintf(s->avctx, "final mv:%d %d\n", mx, my);
 
                     fill_rectangle(h->mvd_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx-mpx,my-mpy), 4);
                     fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, pack16to32(mx,my), 4);
@@ -6025,8 +6520,7 @@ decode_intra_mb:
             }
         }
         else if(IS_16X8(mb_type)){
-            for(list=0; list<2; list++){
-                if(h->ref_count[list]>0){
+            for(list=0; list<h->list_count; list++){
                     for(i=0; i<2; i++){
                         if(IS_DIR(mb_type, i, list)){
                             const int ref= h->ref_count[list] > 1 ? decode_cabac_mb_ref( h, list, 8*i ) : 0;
@@ -6034,15 +6528,14 @@ decode_intra_mb:
                         }else
                             fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, (LIST_NOT_USED&0xFF), 1);
                     }
-                }
             }
-            for(list=0; list<2; list++){
+            for(list=0; list<h->list_count; list++){
                 for(i=0; i<2; i++){
                     if(IS_DIR(mb_type, i, list)){
                         pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mpx, &mpy);
                         mx = mpx + decode_cabac_mb_mvd( h, list, 8*i, 0 );
                         my = mpy + decode_cabac_mb_mvd( h, list, 8*i, 1 );
-                        tprintf("final mv:%d %d\n", mx, my);
+                        tprintf(s->avctx, "final mv:%d %d\n", mx, my);
 
                         fill_rectangle(h->mvd_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx-mpx,my-mpy), 4);
                         fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, pack16to32(mx,my), 4);
@@ -6054,8 +6547,7 @@ decode_intra_mb:
             }
         }else{
             assert(IS_8X16(mb_type));
-            for(list=0; list<2; list++){
-                if(h->ref_count[list]>0){
+            for(list=0; list<h->list_count; list++){
                     for(i=0; i<2; i++){
                         if(IS_DIR(mb_type, i, list)){ //FIXME optimize
                             const int ref= h->ref_count[list] > 1 ? decode_cabac_mb_ref( h, list, 4*i ) : 0;
@@ -6063,16 +6555,15 @@ decode_intra_mb:
                         }else
                             fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, (LIST_NOT_USED&0xFF), 1);
                     }
-                }
             }
-            for(list=0; list<2; list++){
+            for(list=0; list<h->list_count; list++){
                 for(i=0; i<2; i++){
                     if(IS_DIR(mb_type, i, list)){
                         pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mpx, &mpy);
                         mx = mpx + decode_cabac_mb_mvd( h, list, 4*i, 0 );
                         my = mpy + decode_cabac_mb_mvd( h, list, 4*i, 1 );
 
-                        tprintf("final mv:%d %d\n", mx, my);
+                        tprintf(s->avctx, "final mv:%d %d\n", mx, my);
                         fill_rectangle(h->mvd_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx-mpx,my-mpy), 4);
                         fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, pack16to32(mx,my), 4);
                     }else{
@@ -6094,7 +6585,7 @@ decode_intra_mb:
         cbp |= decode_cabac_mb_cbp_chroma( h ) << 4;
     }
 
-    h->cbp_table[mb_xy] = cbp;
+    h->cbp_table[mb_xy] = h->cbp = cbp;
 
     if( dct8x8_allowed && (cbp&15) && !IS_INTRA( mb_type ) ) {
         if( decode_cabac_mb_transform_size( h ) )
@@ -6103,13 +6594,15 @@ decode_intra_mb:
     s->current_picture.mb_type[mb_xy]= mb_type;
 
     if( cbp || IS_INTRA16x16( mb_type ) ) {
-        const uint8_t *scan, *dc_scan;
+        const uint8_t *scan, *scan8x8, *dc_scan;
         int dqp;
 
         if(IS_INTERLACED(mb_type)){
+            scan8x8= s->qscale ? h->field_scan8x8 : h->field_scan8x8_q0;
             scan= s->qscale ? h->field_scan : h->field_scan_q0;
             dc_scan= luma_dc_field_scan;
         }else{
+            scan8x8= s->qscale ? h->zigzag_scan8x8 : h->zigzag_scan8x8_q0;
             scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0;
             dc_scan= luma_dc_zigzag_scan;
         }
@@ -6146,14 +6639,16 @@ decode_intra_mb:
                 if( cbp & (1<<i8x8) ) {
                     if( IS_8x8DCT(mb_type) ) {
                         if( decode_cabac_residual(h, h->mb + 64*i8x8, 5, 4*i8x8,
-                                zigzag_scan8x8, h->dequant8_coeff[IS_INTRA( mb_type ) ? 0:1][s->qscale], 64) < 0 )
+                            scan8x8, h->dequant8_coeff[IS_INTRA( mb_type ) ? 0:1][s->qscale], 64) < 0 )
                             return -1;
                     } else
                     for( i4x4 = 0; i4x4 < 4; i4x4++ ) {
                         const int index = 4*i8x8 + i4x4;
                         //av_log( s->avctx, AV_LOG_ERROR, "Luma4x4: %d\n", index );
+//START_TIMER
                         if( decode_cabac_residual(h, h->mb + 16*index, 2, index, scan, h->dequant4_coeff[IS_INTRA( mb_type ) ? 0:3][s->qscale], 16) < 0 )
                             return -1;
+//STOP_TIMER("decode_residual")
                     }
                 } else {
                     uint8_t * const nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ];
@@ -6191,25 +6686,31 @@ decode_intra_mb:
         fill_rectangle(&nnz[scan8[0]], 4, 4, 8, 0, 1);
         nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] =
         nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0;
+        h->last_qscale_diff = 0;
     }
 
     s->current_picture.qscale_table[mb_xy]= s->qscale;
     write_back_non_zero_count(h);
 
+    if(MB_MBAFF){
+        h->ref_count[0] >>= 1;
+        h->ref_count[1] >>= 1;
+    }
+
     return 0;
 }
 
 
-static void filter_mb_edgev( H264Context *h, uint8_t *pix, int stride, int bS[4], int qp ) {
+static void filter_mb_edgev( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int qp ) {
     int i, d;
-    const int index_a = clip( qp + h->slice_alpha_c0_offset, 0, 51 );
-    const int alpha = alpha_table[index_a];
-    const int beta  = beta_table[clip( qp + h->slice_beta_offset, 0, 51 )];
+    const int index_a = qp + h->slice_alpha_c0_offset;
+    const int alpha = (alpha_table+52)[index_a];
+    const int beta  = (beta_table+52)[qp + h->slice_beta_offset];
 
     if( bS[0] < 4 ) {
         int8_t tc[4];
         for(i=0; i<4; i++)
-            tc[i] = bS[i] ? tc0_table[index_a][bS[i] - 1] : -1;
+            tc[i] = bS[i] ? (tc0_table+52)[index_a][bS[i] - 1] : -1;
         h->s.dsp.h264_h_loop_filter_luma(pix, stride, alpha, beta, tc);
     } else {
         /* 16px edge length, because bS=4 is triggered by being at
@@ -6223,12 +6724,12 @@ static void filter_mb_edgev( H264Context *h, uint8_t *pix, int stride, int bS[4]
                 const int q1 = pix[1];
                 const int q2 = pix[2];
 
-                if( ABS( p0 - q0 ) < alpha &&
-                    ABS( p1 - p0 ) < beta &&
-                    ABS( q1 - q0 ) < beta ) {
+                if( FFABS( p0 - q0 ) < alpha &&
+                    FFABS( p1 - p0 ) < beta &&
+                    FFABS( q1 - q0 ) < beta ) {
 
-                    if(ABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){
-                        if( ABS( p2 - p0 ) < beta)
+                    if(FFABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){
+                        if( FFABS( p2 - p0 ) < beta)
                         {
                             const int p3 = pix[-4];
                             /* p0', p1', p2' */
@@ -6239,7 +6740,7 @@ static void filter_mb_edgev( H264Context *h, uint8_t *pix, int stride, int bS[4]
                             /* p0' */
                             pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
                         }
-                        if( ABS( q2 - q0 ) < beta)
+                        if( FFABS( q2 - q0 ) < beta)
                         {
                             const int q3 = pix[3];
                             /* q0', q1', q2' */
@@ -6255,29 +6756,29 @@ static void filter_mb_edgev( H264Context *h, uint8_t *pix, int stride, int bS[4]
                         pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
                         pix[ 0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
                     }
-                    tprintf("filter_mb_edgev i:%d d:%d\n# bS:4 -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, d, p2, p1, p0, q0, q1, q2, pix[-2], pix[-1], pix[0], pix[1]);
+                    tprintf(h->s.avctx, "filter_mb_edgev i:%d d:%d\n# bS:4 -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, d, p2, p1, p0, q0, q1, q2, pix[-2], pix[-1], pix[0], pix[1]);
                 }
                 pix += stride;
             }
     }
 }
-static void filter_mb_edgecv( H264Context *h, uint8_t *pix, int stride, int bS[4], int qp ) {
+static void filter_mb_edgecv( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int qp ) {
     int i;
-    const int index_a = clip( qp + h->slice_alpha_c0_offset, 0, 51 );
-    const int alpha = alpha_table[index_a];
-    const int beta  = beta_table[clip( qp + h->slice_beta_offset, 0, 51 )];
+    const int index_a = qp + h->slice_alpha_c0_offset;
+    const int alpha = (alpha_table+52)[index_a];
+    const int beta  = (beta_table+52)[qp + h->slice_beta_offset];
 
     if( bS[0] < 4 ) {
         int8_t tc[4];
         for(i=0; i<4; i++)
-            tc[i] = bS[i] ? tc0_table[index_a][bS[i] - 1] + 1 : 0;
+            tc[i] = bS[i] ? (tc0_table+52)[index_a][bS[i] - 1] + 1 : 0;
         h->s.dsp.h264_h_loop_filter_chroma(pix, stride, alpha, beta, tc);
     } else {
         h->s.dsp.h264_h_loop_filter_chroma_intra(pix, stride, alpha, beta);
     }
 }
 
-static void filter_mb_mbaff_edgev( H264Context *h, uint8_t *pix, int stride, int bS[8], int qp[2] ) {
+static void filter_mb_mbaff_edgev( H264Context *h, uint8_t *pix, int stride, int16_t bS[8], int qp[2] ) {
     int i;
     for( i = 0; i < 16; i++, pix += stride) {
         int index_a;
@@ -6286,7 +6787,7 @@ static void filter_mb_mbaff_edgev( H264Context *h, uint8_t *pix, int stride, int
 
         int qp_index;
         int bS_index = (i >> 1);
-        if (h->mb_field_decoding_flag) {
+        if (!MB_FIELD) {
             bS_index &= ~1;
             bS_index |= (i & 1);
         }
@@ -6295,15 +6796,13 @@ static void filter_mb_mbaff_edgev( H264Context *h, uint8_t *pix, int stride, int
             continue;
         }
 
-        qp_index = h->mb_field_decoding_flag ? (i & 1) : (i >> 3);
-        index_a = clip( qp[qp_index] + h->slice_alpha_c0_offset, 0, 51 );
-        alpha = alpha_table[index_a];
-        beta  = beta_table[clip( qp[qp_index] + h->slice_beta_offset, 0, 51 )];
-
+        qp_index = MB_FIELD ? (i >> 3) : (i & 1);
+        index_a = qp[qp_index] + h->slice_alpha_c0_offset;
+        alpha = (alpha_table+52)[index_a];
+        beta  = (beta_table+52)[qp[qp_index] + h->slice_beta_offset];
 
         if( bS[bS_index] < 4 ) {
-            const int tc0 = tc0_table[index_a][bS[bS_index] - 1];
-            /* 4px edge length */
+            const int tc0 = (tc0_table+52)[index_a][bS[bS_index] - 1];
             const int p0 = pix[-1];
             const int p1 = pix[-2];
             const int p2 = pix[-3];
@@ -6311,28 +6810,27 @@ static void filter_mb_mbaff_edgev( H264Context *h, uint8_t *pix, int stride, int
             const int q1 = pix[1];
             const int q2 = pix[2];
 
-            if( ABS( p0 - q0 ) < alpha &&
-                ABS( p1 - p0 ) < beta &&
-                ABS( q1 - q0 ) < beta ) {
+            if( FFABS( p0 - q0 ) < alpha &&
+                FFABS( p1 - p0 ) < beta &&
+                FFABS( q1 - q0 ) < beta ) {
                 int tc = tc0;
                 int i_delta;
 
-                if( ABS( p2 - p0 ) < beta ) {
-                    pix[-2] = p1 + clip( ( p2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( p1 << 1 ) ) >> 1, -tc0, tc0 );
+                if( FFABS( p2 - p0 ) < beta ) {
+                    pix[-2] = p1 + av_clip( ( p2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( p1 << 1 ) ) >> 1, -tc0, tc0 );
                     tc++;
                 }
-                if( ABS( q2 - q0 ) < beta ) {
-                    pix[1] = q1 + clip( ( q2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( q1 << 1 ) ) >> 1, -tc0, tc0 );
+                if( FFABS( q2 - q0 ) < beta ) {
+                    pix[1] = q1 + av_clip( ( q2 + ( ( p0 + q0 + 1 ) >> 1 ) - ( q1 << 1 ) ) >> 1, -tc0, tc0 );
                     tc++;
                 }
 
-                i_delta = clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
-                pix[-1] = clip_uint8( p0 + i_delta );    /* p0' */
-                pix[0]  = clip_uint8( q0 - i_delta );    /* q0' */
-                tprintf("filter_mb_mbaff_edgev i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d, tc:%d\n# bS:%d -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, tc, bS[bS_index], pix[-3], p1, p0, q0, q1, pix[2], p1, pix[-1], pix[0], q1);
+                i_delta = av_clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
+                pix[-1] = av_clip_uint8( p0 + i_delta );    /* p0' */
+                pix[0]  = av_clip_uint8( q0 - i_delta );    /* q0' */
+                tprintf(h->s.avctx, "filter_mb_mbaff_edgev i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d, tc:%d\n# bS:%d -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, tc, bS[bS_index], pix[-3], p1, p0, q0, q1, pix[2], p1, pix[-1], pix[0], q1);
             }
         }else{
-            /* 4px edge length */
             const int p0 = pix[-1];
             const int p1 = pix[-2];
             const int p2 = pix[-3];
@@ -6341,12 +6839,12 @@ static void filter_mb_mbaff_edgev( H264Context *h, uint8_t *pix, int stride, int
             const int q1 = pix[1];
             const int q2 = pix[2];
 
-            if( ABS( p0 - q0 ) < alpha &&
-                ABS( p1 - p0 ) < beta &&
-                ABS( q1 - q0 ) < beta ) {
+            if( FFABS( p0 - q0 ) < alpha &&
+                FFABS( p1 - p0 ) < beta &&
+                FFABS( q1 - q0 ) < beta ) {
 
-                if(ABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){
-                    if( ABS( p2 - p0 ) < beta)
+                if(FFABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){
+                    if( FFABS( p2 - p0 ) < beta)
                     {
                         const int p3 = pix[-4];
                         /* p0', p1', p2' */
@@ -6357,7 +6855,7 @@ static void filter_mb_mbaff_edgev( H264Context *h, uint8_t *pix, int stride, int
                         /* p0' */
                         pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
                     }
-                    if( ABS( q2 - q0 ) < beta)
+                    if( FFABS( q2 - q0 ) < beta)
                     {
                         const int q3 = pix[3];
                         /* q0', q1', q2' */
@@ -6373,12 +6871,12 @@ static void filter_mb_mbaff_edgev( H264Context *h, uint8_t *pix, int stride, int
                     pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
                     pix[ 0] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
                 }
-                tprintf("filter_mb_mbaff_edgev i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d\n# bS:4 -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, p2, p1, p0, q0, q1, q2, pix[-3], pix[-2], pix[-1], pix[0], pix[1], pix[2]);
+                tprintf(h->s.avctx, "filter_mb_mbaff_edgev i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d\n# bS:4 -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, p2, p1, p0, q0, q1, q2, pix[-3], pix[-2], pix[-1], pix[0], pix[1], pix[2]);
             }
         }
     }
 }
-static void filter_mb_mbaff_edgecv( H264Context *h, uint8_t *pix, int stride, int bS[4], int qp[2] ) {
+static void filter_mb_mbaff_edgecv( H264Context *h, uint8_t *pix, int stride, int16_t bS[8], int qp[2] ) {
     int i;
     for( i = 0; i < 8; i++, pix += stride) {
         int index_a;
@@ -6392,26 +6890,26 @@ static void filter_mb_mbaff_edgecv( H264Context *h, uint8_t *pix, int stride, in
             continue;
         }
 
-        qp_index = h->mb_field_decoding_flag ? (i & 1) : (i >> 3);
-        index_a = clip( qp[qp_index] + h->slice_alpha_c0_offset, 0, 51 );
-        alpha = alpha_table[index_a];
-        beta  = beta_table[clip( qp[qp_index] + h->slice_beta_offset, 0, 51 )];
+        qp_index = MB_FIELD ? (i >> 2) : (i & 1);
+        index_a = qp[qp_index] + h->slice_alpha_c0_offset;
+        alpha = (alpha_table+52)[index_a];
+        beta  = (beta_table+52)[qp[qp_index] + h->slice_beta_offset];
+
         if( bS[bS_index] < 4 ) {
-            const int tc = tc0_table[index_a][bS[bS_index] - 1] + 1;
-            /* 2px edge length (because we use same bS than the one for luma) */
+            const int tc = (tc0_table+52)[index_a][bS[bS_index] - 1] + 1;
             const int p0 = pix[-1];
             const int p1 = pix[-2];
             const int q0 = pix[0];
             const int q1 = pix[1];
 
-            if( ABS( p0 - q0 ) < alpha &&
-                ABS( p1 - p0 ) < beta &&
-                ABS( q1 - q0 ) < beta ) {
-                const int i_delta = clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
+            if( FFABS( p0 - q0 ) < alpha &&
+                FFABS( p1 - p0 ) < beta &&
+                FFABS( q1 - q0 ) < beta ) {
+                const int i_delta = av_clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
 
-                pix[-1] = clip_uint8( p0 + i_delta );    /* p0' */
-                pix[0]  = clip_uint8( q0 - i_delta );    /* q0' */
-                tprintf("filter_mb_mbaff_edgecv i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d, tc:%d\n# bS:%d -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, tc, bS[bS_index], pix[-3], p1, p0, q0, q1, pix[2], p1, pix[-1], pix[0], q1);
+                pix[-1] = av_clip_uint8( p0 + i_delta );    /* p0' */
+                pix[0]  = av_clip_uint8( q0 - i_delta );    /* q0' */
+                tprintf(h->s.avctx, "filter_mb_mbaff_edgecv i:%d, qp:%d, indexA:%d, alpha:%d, beta:%d, tc:%d\n# bS:%d -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, qp[qp_index], index_a, alpha, beta, tc, bS[bS_index], pix[-3], p1, p0, q0, q1, pix[2], p1, pix[-1], pix[0], q1);
             }
         }else{
             const int p0 = pix[-1];
@@ -6419,29 +6917,29 @@ static void filter_mb_mbaff_edgecv( H264Context *h, uint8_t *pix, int stride, in
             const int q0 = pix[0];
             const int q1 = pix[1];
 
-            if( ABS( p0 - q0 ) < alpha &&
-                ABS( p1 - p0 ) < beta &&
-                ABS( q1 - q0 ) < beta ) {
+            if( FFABS( p0 - q0 ) < alpha &&
+                FFABS( p1 - p0 ) < beta &&
+                FFABS( q1 - q0 ) < beta ) {
 
                 pix[-1] = ( 2*p1 + p0 + q1 + 2 ) >> 2;   /* p0' */
                 pix[0]  = ( 2*q1 + q0 + p1 + 2 ) >> 2;   /* q0' */
-                tprintf("filter_mb_mbaff_edgecv i:%d\n# bS:4 -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x, %02x, %02x]\n", i, pix[-3], p1, p0, q0, q1, pix[2], pix[-3], pix[-2], pix[-1], pix[0], pix[1], pix[2]);
+                tprintf(h->s.avctx, "filter_mb_mbaff_edgecv i:%d\n# bS:4 -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x, %02x, %02x]\n", i, pix[-3], p1, p0, q0, q1, pix[2], pix[-3], pix[-2], pix[-1], pix[0], pix[1], pix[2]);
             }
         }
     }
 }
 
-static void filter_mb_edgeh( H264Context *h, uint8_t *pix, int stride, int bS[4], int qp ) {
+static void filter_mb_edgeh( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int qp ) {
     int i, d;
-    const int index_a = clip( qp + h->slice_alpha_c0_offset, 0, 51 );
-    const int alpha = alpha_table[index_a];
-    const int beta  = beta_table[clip( qp + h->slice_beta_offset, 0, 51 )];
+    const int index_a = qp + h->slice_alpha_c0_offset;
+    const int alpha = (alpha_table+52)[index_a];
+    const int beta  = (beta_table+52)[qp + h->slice_beta_offset];
     const int pix_next  = stride;
 
     if( bS[0] < 4 ) {
         int8_t tc[4];
         for(i=0; i<4; i++)
-            tc[i] = bS[i] ? tc0_table[index_a][bS[i] - 1] : -1;
+            tc[i] = bS[i] ? (tc0_table+52)[index_a][bS[i] - 1] : -1;
         h->s.dsp.h264_v_loop_filter_luma(pix, stride, alpha, beta, tc);
     } else {
         /* 16px edge length, see filter_mb_edgev */
@@ -6453,15 +6951,15 @@ static void filter_mb_edgeh( H264Context *h, uint8_t *pix, int stride, int bS[4]
                 const int q1 = pix[1*pix_next];
                 const int q2 = pix[2*pix_next];
 
-                if( ABS( p0 - q0 ) < alpha &&
-                    ABS( p1 - p0 ) < beta &&
-                    ABS( q1 - q0 ) < beta ) {
+                if( FFABS( p0 - q0 ) < alpha &&
+                    FFABS( p1 - p0 ) < beta &&
+                    FFABS( q1 - q0 ) < beta ) {
 
                     const int p3 = pix[-4*pix_next];
                     const int q3 = pix[ 3*pix_next];
 
-                    if(ABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){
-                        if( ABS( p2 - p0 ) < beta) {
+                    if(FFABS( p0 - q0 ) < (( alpha >> 2 ) + 2 )){
+                        if( FFABS( p2 - p0 ) < beta) {
                             /* p0', p1', p2' */
                             pix[-1*pix_next] = ( p2 + 2*p1 + 2*p0 + 2*q0 + q1 + 4 ) >> 3;
                             pix[-2*pix_next] = ( p2 + p1 + p0 + q0 + 2 ) >> 2;
@@ -6470,7 +6968,7 @@ static void filter_mb_edgeh( H264Context *h, uint8_t *pix, int stride, int bS[4]
                             /* p0' */
                             pix[-1*pix_next] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
                         }
-                        if( ABS( q2 - q0 ) < beta) {
+                        if( FFABS( q2 - q0 ) < beta) {
                             /* q0', q1', q2' */
                             pix[0*pix_next] = ( p1 + 2*p0 + 2*q0 + 2*q1 + q2 + 4 ) >> 3;
                             pix[1*pix_next] = ( p0 + q0 + q1 + q2 + 2 ) >> 2;
@@ -6484,111 +6982,225 @@ static void filter_mb_edgeh( H264Context *h, uint8_t *pix, int stride, int bS[4]
                         pix[-1*pix_next] = ( 2*p1 + p0 + q1 + 2 ) >> 2;
                         pix[ 0*pix_next] = ( 2*q1 + q0 + p1 + 2 ) >> 2;
                     }
-                    tprintf("filter_mb_edgeh i:%d d:%d, qp:%d, indexA:%d, alpha:%d, beta:%d\n# bS:%d -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, d, qp, index_a, alpha, beta, bS[i], p2, p1, p0, q0, q1, q2, pix[-2*pix_next], pix[-pix_next], pix[0], pix[pix_next]);
+                    tprintf(h->s.avctx, "filter_mb_edgeh i:%d d:%d, qp:%d, indexA:%d, alpha:%d, beta:%d\n# bS:%d -> [%02x, %02x, %02x, %02x, %02x, %02x] =>[%02x, %02x, %02x, %02x]\n", i, d, qp, index_a, alpha, beta, bS[i], p2, p1, p0, q0, q1, q2, pix[-2*pix_next], pix[-pix_next], pix[0], pix[pix_next]);
                 }
                 pix++;
             }
     }
 }
 
-static void filter_mb_edgech( H264Context *h, uint8_t *pix, int stride, int bS[4], int qp ) {
+static void filter_mb_edgech( H264Context *h, uint8_t *pix, int stride, int16_t bS[4], int qp ) {
     int i;
-    const int index_a = clip( qp + h->slice_alpha_c0_offset, 0, 51 );
-    const int alpha = alpha_table[index_a];
-    const int beta  = beta_table[clip( qp + h->slice_beta_offset, 0, 51 )];
+    const int index_a = qp + h->slice_alpha_c0_offset;
+    const int alpha = (alpha_table+52)[index_a];
+    const int beta  = (beta_table+52)[qp + h->slice_beta_offset];
 
     if( bS[0] < 4 ) {
         int8_t tc[4];
         for(i=0; i<4; i++)
-            tc[i] = bS[i] ? tc0_table[index_a][bS[i] - 1] + 1 : 0;
+            tc[i] = bS[i] ? (tc0_table+52)[index_a][bS[i] - 1] + 1 : 0;
         h->s.dsp.h264_v_loop_filter_chroma(pix, stride, alpha, beta, tc);
     } else {
         h->s.dsp.h264_v_loop_filter_chroma_intra(pix, stride, alpha, beta);
     }
 }
 
+static void filter_mb_fast( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize) {
+    MpegEncContext * const s = &h->s;
+    int mb_xy, mb_type;
+    int qp, qp0, qp1, qpc, qpc0, qpc1, qp_thresh;
+
+    if(mb_x==0 || mb_y==0 || !s->dsp.h264_loop_filter_strength) {
+        filter_mb(h, mb_x, mb_y, img_y, img_cb, img_cr, linesize, uvlinesize);
+        return;
+    }
+    assert(!FRAME_MBAFF);
+
+    mb_xy = mb_x + mb_y*s->mb_stride;
+    mb_type = s->current_picture.mb_type[mb_xy];
+    qp = s->current_picture.qscale_table[mb_xy];
+    qp0 = s->current_picture.qscale_table[mb_xy-1];
+    qp1 = s->current_picture.qscale_table[h->top_mb_xy];
+    qpc = get_chroma_qp( h->pps.chroma_qp_index_offset, qp );
+    qpc0 = get_chroma_qp( h->pps.chroma_qp_index_offset, qp0 );
+    qpc1 = get_chroma_qp( h->pps.chroma_qp_index_offset, qp1 );
+    qp0 = (qp + qp0 + 1) >> 1;
+    qp1 = (qp + qp1 + 1) >> 1;
+    qpc0 = (qpc + qpc0 + 1) >> 1;
+    qpc1 = (qpc + qpc1 + 1) >> 1;
+    qp_thresh = 15 - h->slice_alpha_c0_offset;
+    if(qp <= qp_thresh && qp0 <= qp_thresh && qp1 <= qp_thresh &&
+       qpc <= qp_thresh && qpc0 <= qp_thresh && qpc1 <= qp_thresh)
+        return;
+
+    if( IS_INTRA(mb_type) ) {
+        int16_t bS4[4] = {4,4,4,4};
+        int16_t bS3[4] = {3,3,3,3};
+        if( IS_8x8DCT(mb_type) ) {
+            filter_mb_edgev( h, &img_y[4*0], linesize, bS4, qp0 );
+            filter_mb_edgev( h, &img_y[4*2], linesize, bS3, qp );
+            filter_mb_edgeh( h, &img_y[4*0*linesize], linesize, bS4, qp1 );
+            filter_mb_edgeh( h, &img_y[4*2*linesize], linesize, bS3, qp );
+        } else {
+            filter_mb_edgev( h, &img_y[4*0], linesize, bS4, qp0 );
+            filter_mb_edgev( h, &img_y[4*1], linesize, bS3, qp );
+            filter_mb_edgev( h, &img_y[4*2], linesize, bS3, qp );
+            filter_mb_edgev( h, &img_y[4*3], linesize, bS3, qp );
+            filter_mb_edgeh( h, &img_y[4*0*linesize], linesize, bS4, qp1 );
+            filter_mb_edgeh( h, &img_y[4*1*linesize], linesize, bS3, qp );
+            filter_mb_edgeh( h, &img_y[4*2*linesize], linesize, bS3, qp );
+            filter_mb_edgeh( h, &img_y[4*3*linesize], linesize, bS3, qp );
+        }
+        filter_mb_edgecv( h, &img_cb[2*0], uvlinesize, bS4, qpc0 );
+        filter_mb_edgecv( h, &img_cb[2*2], uvlinesize, bS3, qpc );
+        filter_mb_edgecv( h, &img_cr[2*0], uvlinesize, bS4, qpc0 );
+        filter_mb_edgecv( h, &img_cr[2*2], uvlinesize, bS3, qpc );
+        filter_mb_edgech( h, &img_cb[2*0*uvlinesize], uvlinesize, bS4, qpc1 );
+        filter_mb_edgech( h, &img_cb[2*2*uvlinesize], uvlinesize, bS3, qpc );
+        filter_mb_edgech( h, &img_cr[2*0*uvlinesize], uvlinesize, bS4, qpc1 );
+        filter_mb_edgech( h, &img_cr[2*2*uvlinesize], uvlinesize, bS3, qpc );
+        return;
+    } else {
+        DECLARE_ALIGNED_8(int16_t, bS[2][4][4]);
+        uint64_t (*bSv)[4] = (uint64_t(*)[4])bS;
+        int edges;
+        if( IS_8x8DCT(mb_type) && (h->cbp&7) == 7 ) {
+            edges = 4;
+            bSv[0][0] = bSv[0][2] = bSv[1][0] = bSv[1][2] = 0x0002000200020002ULL;
+        } else {
+            int mask_edge1 = (mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16)) ? 3 :
+                             (mb_type & MB_TYPE_16x8) ? 1 : 0;
+            int mask_edge0 = (mb_type & (MB_TYPE_16x16 | MB_TYPE_8x16))
+                             && (s->current_picture.mb_type[mb_xy-1] & (MB_TYPE_16x16 | MB_TYPE_8x16))
+                             ? 3 : 0;
+            int step = IS_8x8DCT(mb_type) ? 2 : 1;
+            edges = (mb_type & MB_TYPE_16x16) && !(h->cbp & 15) ? 1 : 4;
+            s->dsp.h264_loop_filter_strength( bS, h->non_zero_count_cache, h->ref_cache, h->mv_cache,
+                                              (h->slice_type == B_TYPE), edges, step, mask_edge0, mask_edge1 );
+        }
+        if( IS_INTRA(s->current_picture.mb_type[mb_xy-1]) )
+            bSv[0][0] = 0x0004000400040004ULL;
+        if( IS_INTRA(s->current_picture.mb_type[h->top_mb_xy]) )
+            bSv[1][0] = 0x0004000400040004ULL;
+
+#define FILTER(hv,dir,edge)\
+        if(bSv[dir][edge]) {\
+            filter_mb_edge##hv( h, &img_y[4*edge*(dir?linesize:1)], linesize, bS[dir][edge], edge ? qp : qp##dir );\
+            if(!(edge&1)) {\
+                filter_mb_edgec##hv( h, &img_cb[2*edge*(dir?uvlinesize:1)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir );\
+                filter_mb_edgec##hv( h, &img_cr[2*edge*(dir?uvlinesize:1)], uvlinesize, bS[dir][edge], edge ? qpc : qpc##dir );\
+            }\
+        }
+        if( edges == 1 ) {
+            FILTER(v,0,0);
+            FILTER(h,1,0);
+        } else if( IS_8x8DCT(mb_type) ) {
+            FILTER(v,0,0);
+            FILTER(v,0,2);
+            FILTER(h,1,0);
+            FILTER(h,1,2);
+        } else {
+            FILTER(v,0,0);
+            FILTER(v,0,1);
+            FILTER(v,0,2);
+            FILTER(v,0,3);
+            FILTER(h,1,0);
+            FILTER(h,1,1);
+            FILTER(h,1,2);
+            FILTER(h,1,3);
+        }
+#undef FILTER
+    }
+}
+
 static void filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8_t *img_cb, uint8_t *img_cr, unsigned int linesize, unsigned int uvlinesize) {
     MpegEncContext * const s = &h->s;
     const int mb_xy= mb_x + mb_y*s->mb_stride;
+    const int mb_type = s->current_picture.mb_type[mb_xy];
+    const int mvy_limit = IS_INTERLACED(mb_type) ? 2 : 4;
     int first_vertical_edge_done = 0;
     int dir;
     /* FIXME: A given frame may occupy more than one position in
      * the reference list. So ref2frm should be populated with
      * frame numbers, not indices. */
-    static const int ref2frm[18] = {-1,-1,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
+    static const int ref2frm[34] = {-1,-1,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
+                                    16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31};
+
+    //for sufficiently low qp, filtering wouldn't do anything
+    //this is a conservative estimate: could also check beta_offset and more accurate chroma_qp
+    if(!FRAME_MBAFF){
+        int qp_thresh = 15 - h->slice_alpha_c0_offset - FFMAX(0, h->pps.chroma_qp_index_offset);
+        int qp = s->current_picture.qscale_table[mb_xy];
+        if(qp <= qp_thresh
+           && (mb_x == 0 || ((qp + s->current_picture.qscale_table[mb_xy-1] + 1)>>1) <= qp_thresh)
+           && (mb_y == 0 || ((qp + s->current_picture.qscale_table[h->top_mb_xy] + 1)>>1) <= qp_thresh)){
+            return;
+        }
+    }
 
-    if (h->mb_aff_frame
+    if (FRAME_MBAFF
             // left mb is in picture
             && h->slice_table[mb_xy-1] != 255
             // and current and left pair do not have the same interlaced type
-            && (IS_INTERLACED(s->current_picture.mb_type[mb_xy]) != IS_INTERLACED(s->current_picture.mb_type[mb_xy-1]))
+            && (IS_INTERLACED(mb_type) != IS_INTERLACED(s->current_picture.mb_type[mb_xy-1]))
             // and left mb is in the same slice if deblocking_filter == 2
             && (h->deblocking_filter!=2 || h->slice_table[mb_xy-1] == h->slice_table[mb_xy])) {
         /* First vertical edge is different in MBAFF frames
          * There are 8 different bS to compute and 2 different Qp
          */
-        int bS[8];
+        const int pair_xy = mb_x + (mb_y&~1)*s->mb_stride;
+        const int left_mb_xy[2] = { pair_xy-1, pair_xy-1+s->mb_stride };
+        int16_t bS[8];
         int qp[2];
         int chroma_qp[2];
-
+        int mb_qp, mbn0_qp, mbn1_qp;
         int i;
         first_vertical_edge_done = 1;
-        for( i = 0; i < 8; i++ ) {
-            int y = i>>1;
-            int b_idx= 8 + 4 + 8*y;
-            int bn_idx= b_idx - 1;
-
-            int mbn_xy = h->mb_field_decoding_flag ? h->left_mb_xy[i>>2] : h->left_mb_xy[i&1];
-
-            if( IS_INTRA( s->current_picture.mb_type[mb_xy] ) ||
-                IS_INTRA( s->current_picture.mb_type[mbn_xy] ) ) {
-                bS[i] = 4;
-            } else if( h->non_zero_count_cache[b_idx] != 0 ||
-                /* FIXME: with 8x8dct + cavlc, should check cbp instead of nnz */
-                h->non_zero_count_cache[bn_idx] != 0 ) {
-                bS[i] = 2;
-            } else {
-                int l;
-                bS[i] = 0;
-                for( l = 0; l < 1 + (h->slice_type == B_TYPE); l++ ) {
-                    if( ref2frm[h->ref_cache[l][b_idx]+2] != ref2frm[h->ref_cache[l][bn_idx]+2] ||
-                        ABS( h->mv_cache[l][b_idx][0] - h->mv_cache[l][bn_idx][0] ) >= 4 ||
-                        ABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= 4 ) {
-                        bS[i] = 1;
-                        break;
-                    }
-                }
+
+        if( IS_INTRA(mb_type) )
+            bS[0] = bS[1] = bS[2] = bS[3] = bS[4] = bS[5] = bS[6] = bS[7] = 4;
+        else {
+            for( i = 0; i < 8; i++ ) {
+                int mbn_xy = MB_FIELD ? left_mb_xy[i>>2] : left_mb_xy[i&1];
+
+                if( IS_INTRA( s->current_picture.mb_type[mbn_xy] ) )
+                    bS[i] = 4;
+                else if( h->non_zero_count_cache[12+8*(i>>1)] != 0 ||
+                         /* FIXME: with 8x8dct + cavlc, should check cbp instead of nnz */
+                         h->non_zero_count[mbn_xy][MB_FIELD ? i&3 : (i>>2)+(mb_y&1)*2] )
+                    bS[i] = 2;
+                else
+                    bS[i] = 1;
             }
         }
-        if(bS[0]+bS[1]+bS[2]+bS[3] != 0) {
-            // Do not use s->qscale as luma quantizer because it has not the same
-            // value in IPCM macroblocks.
-            qp[0] = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[h->left_mb_xy[0]] + 1 ) >> 1;
-            chroma_qp[0] = ( get_chroma_qp( h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mb_xy] ) +
-                             get_chroma_qp( h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[h->left_mb_xy[0]] ) + 1 ) >> 1;
-            qp[1] = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[h->left_mb_xy[1]] + 1 ) >> 1;
-            chroma_qp[1] = ( get_chroma_qp( h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mb_xy] ) +
-                             get_chroma_qp( h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[h->left_mb_xy[1]] ) + 1 ) >> 1;
 
-            /* Filter edge */
-            tprintf("filter mb:%d/%d MBAFF, QPy:%d/%d, QPc:%d/%d ls:%d uvls:%d", mb_x, mb_y, qp[0], qp[1], chroma_qp[0], chroma_qp[1], linesize, uvlinesize);
-            { int i; for (i = 0; i < 8; i++) tprintf(" bS[%d]:%d", i, bS[i]); tprintf("\n"); }
-            filter_mb_mbaff_edgev ( h, &img_y [0], linesize,   bS, qp );
-            filter_mb_mbaff_edgecv( h, &img_cb[0], uvlinesize, bS, chroma_qp );
-            filter_mb_mbaff_edgecv( h, &img_cr[0], uvlinesize, bS, chroma_qp );
-        }
+        mb_qp = s->current_picture.qscale_table[mb_xy];
+        mbn0_qp = s->current_picture.qscale_table[left_mb_xy[0]];
+        mbn1_qp = s->current_picture.qscale_table[left_mb_xy[1]];
+        qp[0] = ( mb_qp + mbn0_qp + 1 ) >> 1;
+        chroma_qp[0] = ( get_chroma_qp( h->pps.chroma_qp_index_offset, mb_qp ) +
+                         get_chroma_qp( h->pps.chroma_qp_index_offset, mbn0_qp ) + 1 ) >> 1;
+        qp[1] = ( mb_qp + mbn1_qp + 1 ) >> 1;
+        chroma_qp[1] = ( get_chroma_qp( h->pps.chroma_qp_index_offset, mb_qp ) +
+                         get_chroma_qp( h->pps.chroma_qp_index_offset, mbn1_qp ) + 1 ) >> 1;
+
+        /* Filter edge */
+        tprintf(s->avctx, "filter mb:%d/%d MBAFF, QPy:%d/%d, QPc:%d/%d ls:%d uvls:%d", mb_x, mb_y, qp[0], qp[1], chroma_qp[0], chroma_qp[1], linesize, uvlinesize);
+        { int i; for (i = 0; i < 8; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
+        filter_mb_mbaff_edgev ( h, &img_y [0], linesize,   bS, qp );
+        filter_mb_mbaff_edgecv( h, &img_cb[0], uvlinesize, bS, chroma_qp );
+        filter_mb_mbaff_edgecv( h, &img_cr[0], uvlinesize, bS, chroma_qp );
     }
     /* dir : 0 -> vertical edge, 1 -> horizontal edge */
     for( dir = 0; dir < 2; dir++ )
     {
         int edge;
         const int mbm_xy = dir == 0 ? mb_xy -1 : h->top_mb_xy;
-        const int mb_type = s->current_picture.mb_type[mb_xy];
         const int mbm_type = s->current_picture.mb_type[mbm_xy];
         int start = h->slice_table[mbm_xy] == 255 ? 1 : 0;
 
-        const int edges = ((mb_type & mbm_type) & (MB_TYPE_16x16|MB_TYPE_SKIP))
-                                               == (MB_TYPE_16x16|MB_TYPE_SKIP) ? 1 : 4;
+        const int edges = (mb_type & (MB_TYPE_16x16|MB_TYPE_SKIP))
+                                  == (MB_TYPE_16x16|MB_TYPE_SKIP) ? 1 : 4;
         // how often to recheck mv-based bS when iterating between edges
         const int mask_edge = (mb_type & (MB_TYPE_16x16 | (MB_TYPE_16x8 << dir))) ? 3 :
                               (mb_type & (MB_TYPE_8x16 >> dir)) ? 1 : 0;
@@ -6603,78 +7215,68 @@ static void filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8
         if (h->deblocking_filter==2 && h->slice_table[mbm_xy] != h->slice_table[mb_xy])
             start = 1;
 
-        /* Calculate bS */
-        for( edge = start; edge < edges; edge++ ) {
-            /* mbn_xy: neighbor macroblock */
-            const int mbn_xy = edge > 0 ? mb_xy : mbm_xy;
-            const int mbn_type = s->current_picture.mb_type[mbn_xy];
-            int bS[4];
-            int qp;
-
-            if( (edge&1) && IS_8x8DCT(mb_type) )
-                continue;
-
-            if (h->mb_aff_frame && (dir == 1) && (edge == 0) && ((mb_y & 1) == 0)
-                && !IS_INTERLACED(mb_type)
-                && IS_INTERLACED(mbn_type)
-                ) {
-                // This is a special case in the norm where the filtering must
-                // be done twice (one each of the field) even if we are in a
-                // frame macroblock.
-                //
-                unsigned int tmp_linesize   = 2 *   linesize;
-                unsigned int tmp_uvlinesize = 2 * uvlinesize;
-                int mbn_xy = mb_xy - 2 * s->mb_stride;
-                int qp, chroma_qp;
-
-                // first filtering
+        if (FRAME_MBAFF && (dir == 1) && ((mb_y&1) == 0) && start == 0
+            && !IS_INTERLACED(mb_type)
+            && IS_INTERLACED(mbm_type)
+            ) {
+            // This is a special case in the norm where the filtering must
+            // be done twice (one each of the field) even if we are in a
+            // frame macroblock.
+            //
+            static const int nnz_idx[4] = {4,5,6,3};
+            unsigned int tmp_linesize   = 2 *   linesize;
+            unsigned int tmp_uvlinesize = 2 * uvlinesize;
+            int mbn_xy = mb_xy - 2 * s->mb_stride;
+            int qp, chroma_qp;
+            int i, j;
+            int16_t bS[4];
+
+            for(j=0; j<2; j++, mbn_xy += s->mb_stride){
                 if( IS_INTRA(mb_type) ||
                     IS_INTRA(s->current_picture.mb_type[mbn_xy]) ) {
                     bS[0] = bS[1] = bS[2] = bS[3] = 3;
                 } else {
-                    // TODO
-                    av_log(h->s.avctx, AV_LOG_ERROR, "both non intra (TODO)\n");
+                    const uint8_t *mbn_nnz = h->non_zero_count[mbn_xy];
+                    for( i = 0; i < 4; i++ ) {
+                        if( h->non_zero_count_cache[scan8[0]+i] != 0 ||
+                            mbn_nnz[nnz_idx[i]] != 0 )
+                            bS[i] = 2;
+                        else
+                            bS[i] = 1;
+                    }
                 }
-                /* Filter edge */
                 // Do not use s->qscale as luma quantizer because it has not the same
                 // value in IPCM macroblocks.
                 qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbn_xy] + 1 ) >> 1;
-                tprintf("filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, tmp_linesize, tmp_uvlinesize);
-                { int i; for (i = 0; i < 4; i++) tprintf(" bS[%d]:%d", i, bS[i]); tprintf("\n"); }
-                filter_mb_edgeh( h, &img_y[0], tmp_linesize, bS, qp );
+                tprintf(s->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, tmp_linesize, tmp_uvlinesize);
+                { int i; for (i = 0; i < 4; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
+                filter_mb_edgeh( h, &img_y[j*linesize], tmp_linesize, bS, qp );
                 chroma_qp = ( h->chroma_qp +
                               get_chroma_qp( h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
-                filter_mb_edgech( h, &img_cb[0], tmp_uvlinesize, bS, chroma_qp );
-                filter_mb_edgech( h, &img_cr[0], tmp_uvlinesize, bS, chroma_qp );
+                filter_mb_edgech( h, &img_cb[j*uvlinesize], tmp_uvlinesize, bS, chroma_qp );
+                filter_mb_edgech( h, &img_cr[j*uvlinesize], tmp_uvlinesize, bS, chroma_qp );
+            }
 
-                // second filtering
-                mbn_xy += s->mb_stride;
-                if( IS_INTRA(mb_type) ||
-                    IS_INTRA(mbn_type) ) {
-                    bS[0] = bS[1] = bS[2] = bS[3] = 3;
-                } else {
-                    // TODO
-                    av_log(h->s.avctx, AV_LOG_ERROR, "both non intra (TODO)\n");
-                }
-                /* Filter edge */
-                // Do not use s->qscale as luma quantizer because it has not the same
-                // value in IPCM macroblocks.
-                qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbn_xy] + 1 ) >> 1;
-                tprintf("filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, tmp_linesize, tmp_uvlinesize);
-                { int i; for (i = 0; i < 4; i++) tprintf(" bS[%d]:%d", i, bS[i]); tprintf("\n"); }
-                filter_mb_edgeh( h, &img_y[linesize], tmp_linesize, bS, qp );
-                chroma_qp = ( h->chroma_qp +
-                              get_chroma_qp( h->pps.chroma_qp_index_offset, s->current_picture.qscale_table[mbn_xy] ) + 1 ) >> 1;
-                filter_mb_edgech( h, &img_cb[uvlinesize], tmp_uvlinesize, bS, chroma_qp );
-                filter_mb_edgech( h, &img_cr[uvlinesize], tmp_uvlinesize, bS, chroma_qp );
+            start = 1;
+        }
+
+        /* Calculate bS */
+        for( edge = start; edge < edges; edge++ ) {
+            /* mbn_xy: neighbor macroblock */
+            const int mbn_xy = edge > 0 ? mb_xy : mbm_xy;
+            const int mbn_type = s->current_picture.mb_type[mbn_xy];
+            int16_t bS[4];
+            int qp;
+
+            if( (edge&1) && IS_8x8DCT(mb_type) )
                 continue;
-            }
+
             if( IS_INTRA(mb_type) ||
                 IS_INTRA(mbn_type) ) {
                 int value;
                 if (edge == 0) {
                     if (   (!IS_INTERLACED(mb_type) && !IS_INTERLACED(mbm_type))
-                        || ((h->mb_aff_frame || (s->picture_structure != PICT_FRAME)) && (dir == 0))
+                        || ((FRAME_MBAFF || (s->picture_structure != PICT_FRAME)) && (dir == 0))
                     ) {
                         value = 4;
                     } else {
@@ -6692,14 +7294,18 @@ static void filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8
                     bS[0] = bS[1] = bS[2] = bS[3] = 0;
                     mv_done = 1;
                 }
+                else if( FRAME_MBAFF && IS_INTERLACED(mb_type ^ mbn_type)) {
+                    bS[0] = bS[1] = bS[2] = bS[3] = 1;
+                    mv_done = 1;
+                }
                 else if( mask_par0 && (edge || (mbn_type & (MB_TYPE_16x16 | (MB_TYPE_8x16 >> dir)))) ) {
                     int b_idx= 8 + 4 + edge * (dir ? 8:1);
                     int bn_idx= b_idx - (dir ? 8:1);
                     int v = 0;
                     for( l = 0; !v && l < 1 + (h->slice_type == B_TYPE); l++ ) {
                         v |= ref2frm[h->ref_cache[l][b_idx]+2] != ref2frm[h->ref_cache[l][bn_idx]+2] ||
-                             ABS( h->mv_cache[l][b_idx][0] - h->mv_cache[l][bn_idx][0] ) >= 4 ||
-                             ABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= 4;
+                             FFABS( h->mv_cache[l][b_idx][0] - h->mv_cache[l][bn_idx][0] ) >= 4 ||
+                             FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= mvy_limit;
                     }
                     bS[0] = bS[1] = bS[2] = bS[3] = v;
                     mv_done = 1;
@@ -6722,8 +7328,8 @@ static void filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8
                         bS[i] = 0;
                         for( l = 0; l < 1 + (h->slice_type == B_TYPE); l++ ) {
                             if( ref2frm[h->ref_cache[l][b_idx]+2] != ref2frm[h->ref_cache[l][bn_idx]+2] ||
-                                ABS( h->mv_cache[l][b_idx][0] - h->mv_cache[l][bn_idx][0] ) >= 4 ||
-                                ABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= 4 ) {
+                                FFABS( h->mv_cache[l][b_idx][0] - h->mv_cache[l][bn_idx][0] ) >= 4 ||
+                                FFABS( h->mv_cache[l][b_idx][1] - h->mv_cache[l][bn_idx][1] ) >= mvy_limit ) {
                                 bS[i] = 1;
                                 break;
                             }
@@ -6739,9 +7345,9 @@ static void filter_mb( H264Context *h, int mb_x, int mb_y, uint8_t *img_y, uint8
             // Do not use s->qscale as luma quantizer because it has not the same
             // value in IPCM macroblocks.
             qp = ( s->current_picture.qscale_table[mb_xy] + s->current_picture.qscale_table[mbn_xy] + 1 ) >> 1;
-            //tprintf("filter mb:%d/%d dir:%d edge:%d, QPy:%d, QPc:%d, QPcn:%d\n", mb_x, mb_y, dir, edge, qp, h->chroma_qp, s->current_picture.qscale_table[mbn_xy]);
-            tprintf("filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, linesize, uvlinesize);
-            { int i; for (i = 0; i < 4; i++) tprintf(" bS[%d]:%d", i, bS[i]); tprintf("\n"); }
+            //tprintf(s->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d, QPc:%d, QPcn:%d\n", mb_x, mb_y, dir, edge, qp, h->chroma_qp, s->current_picture.qscale_table[mbn_xy]);
+            tprintf(s->avctx, "filter mb:%d/%d dir:%d edge:%d, QPy:%d ls:%d uvls:%d", mb_x, mb_y, dir, edge, qp, linesize, uvlinesize);
+            { int i; for (i = 0; i < 4; i++) tprintf(s->avctx, " bS[%d]:%d", i, bS[i]); tprintf(s->avctx, "\n"); }
             if( dir == 0 ) {
                 filter_mb_edgev( h, &img_y[4*edge], linesize, bS, qp );
                 if( (edge&1) == 0 ) {
@@ -6776,7 +7382,7 @@ static int decode_slice(H264Context *h){
         align_get_bits( &s->gb );
 
         /* init cabac */
-        ff_init_cabac_states( &h->cabac, ff_h264_lps_range, ff_h264_mps_state, ff_h264_lps_state, 64 );
+        ff_init_cabac_states( &h->cabac);
         ff_init_cabac_decoder( &h->cabac,
                                s->gb.buffer + get_bits_count(&s->gb)/8,
                                ( s->gb.size_in_bits - get_bits_count(&s->gb) + 7)/8);
@@ -6784,9 +7390,9 @@ static int decode_slice(H264Context *h){
         for( i= 0; i < 460; i++ ) {
             int pre;
             if( h->slice_type == I_TYPE )
-                pre = clip( ((cabac_context_init_I[i][0] * s->qscale) >>4 ) + cabac_context_init_I[i][1], 1, 126 );
+                pre = av_clip( ((cabac_context_init_I[i][0] * s->qscale) >>4 ) + cabac_context_init_I[i][1], 1, 126 );
             else
-                pre = clip( ((cabac_context_init_PB[h->cabac_init_idc][i][0] * s->qscale) >>4 ) + cabac_context_init_PB[h->cabac_init_idc][i][1], 1, 126 );
+                pre = av_clip( ((cabac_context_init_PB[h->cabac_init_idc][i][0] * s->qscale) >>4 ) + cabac_context_init_PB[h->cabac_init_idc][i][1], 1, 126 );
 
             if( pre <= 63 )
                 h->cabac_state[i] = 2 * ( 63 - pre ) + 0;
@@ -6795,13 +7401,14 @@ static int decode_slice(H264Context *h){
         }
 
         for(;;){
+//START_TIMER
             int ret = decode_mb_cabac(h);
             int eos;
+//STOP_TIMER("decode_mb_cabac")
 
             if(ret>=0) hl_decode_mb(h);
 
-            /* XXX: useless as decode_mb_cabac it doesn't support that ... */
-            if( ret >= 0 && h->mb_aff_frame ) { //FIXME optimal? or let mb_decode decode 16x32 ?
+            if( ret >= 0 && FRAME_MBAFF ) { //FIXME optimal? or let mb_decode decode 16x32 ?
                 s->mb_y++;
 
                 if(ret>=0) ret = decode_mb_cabac(h);
@@ -6811,8 +7418,8 @@ static int decode_slice(H264Context *h){
             }
             eos = get_cabac_terminate( &h->cabac );
 
-            if( ret < 0 || h->cabac.bytestream > h->cabac.bytestream_end + 1) {
-                av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding MB %d %d\n", s->mb_x, s->mb_y);
+            if( ret < 0 || h->cabac.bytestream > h->cabac.bytestream_end + 2) {
+                av_log(h->s.avctx, AV_LOG_ERROR, "error while decoding MB %d %d, bytestream (%d)\n", s->mb_x, s->mb_y, h->cabac.bytestream_end - h->cabac.bytestream);
                 ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
                 return -1;
             }
@@ -6821,13 +7428,13 @@ static int decode_slice(H264Context *h){
                 s->mb_x = 0;
                 ff_draw_horiz_band(s, 16*s->mb_y, 16);
                 ++s->mb_y;
-                if(h->mb_aff_frame) {
+                if(FRAME_MBAFF) {
                     ++s->mb_y;
                 }
             }
 
             if( eos || s->mb_y >= s->mb_height ) {
-                tprintf("slice end %d %d\n", get_bits_count(&s->gb), s->gb.size_in_bits);
+                tprintf(s->avctx, "slice end %d %d\n", get_bits_count(&s->gb), s->gb.size_in_bits);
                 ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
                 return 0;
             }
@@ -6839,7 +7446,7 @@ static int decode_slice(H264Context *h){
 
             if(ret>=0) hl_decode_mb(h);
 
-            if(ret>=0 && h->mb_aff_frame){ //FIXME optimal? or let mb_decode decode 16x32 ?
+            if(ret>=0 && FRAME_MBAFF){ //FIXME optimal? or let mb_decode decode 16x32 ?
                 s->mb_y++;
                 ret = decode_mb_cavlc(h);
 
@@ -6858,11 +7465,11 @@ static int decode_slice(H264Context *h){
                 s->mb_x=0;
                 ff_draw_horiz_band(s, 16*s->mb_y, 16);
                 ++s->mb_y;
-                if(h->mb_aff_frame) {
+                if(FRAME_MBAFF) {
                     ++s->mb_y;
                 }
                 if(s->mb_y >= s->mb_height){
-                    tprintf("slice end %d %d\n", get_bits_count(&s->gb), s->gb.size_in_bits);
+                    tprintf(s->avctx, "slice end %d %d\n", get_bits_count(&s->gb), s->gb.size_in_bits);
 
                     if(get_bits_count(&s->gb) == s->gb.size_in_bits ) {
                         ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
@@ -6877,7 +7484,7 @@ static int decode_slice(H264Context *h){
             }
 
             if(get_bits_count(&s->gb) >= s->gb.size_in_bits && s->mb_skip_run<=0){
-                tprintf("slice end %d %d\n", get_bits_count(&s->gb), s->gb.size_in_bits);
+                tprintf(s->avctx, "slice end %d %d\n", get_bits_count(&s->gb), s->gb.size_in_bits);
                 if(get_bits_count(&s->gb) == s->gb.size_in_bits ){
                     ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x-1, s->mb_y, (AC_END|DC_END|MV_END)&part_mask);
 
@@ -6899,7 +7506,7 @@ static int decode_slice(H264Context *h){
             hl_decode_mb(h);
 
             if(ret<0){
-                fprintf(stderr, "error while decoding MB %d %d\n", s->mb_x, s->mb_y);
+                av_log(s->avctx, AV_LOG_ERROR, "error while decoding MB %d %d\n", s->mb_x, s->mb_y);
                 ff_er_add_slice(s, s->resync_mb_x, s->resync_mb_y, s->mb_x, s->mb_y, (AC_ERROR|DC_ERROR|MV_ERROR)&part_mask);
 
                 return -1;
@@ -6983,7 +7590,7 @@ static int decode_sei(H264Context *h){
 
         switch(type){
         case 5:
-            if(decode_unregistered_user_data(h, size) < 0);
+            if(decode_unregistered_user_data(h, size) < 0)
                 return -1;
             break;
         default:
@@ -7016,7 +7623,8 @@ static inline void decode_hrd_parameters(H264Context *h, SPS *sps){
 
 static inline int decode_vui_parameters(H264Context *h, SPS *sps){
     MpegEncContext * const s = &h->s;
-    int aspect_ratio_info_present_flag, aspect_ratio_idc;
+    int aspect_ratio_info_present_flag;
+    unsigned int aspect_ratio_idc;
     int nal_hrd_parameters_present_flag, vcl_hrd_parameters_present_flag;
 
     aspect_ratio_info_present_flag= get_bits1(&s->gb);
@@ -7026,7 +7634,7 @@ static inline int decode_vui_parameters(H264Context *h, SPS *sps){
         if( aspect_ratio_idc == EXTENDED_SAR ) {
             sps->sar.num= get_bits(&s->gb, 16);
             sps->sar.den= get_bits(&s->gb, 16);
-        }else if(aspect_ratio_idc < 16){
+        }else if(aspect_ratio_idc < 14){
             sps->sar=  pixel_aspect[aspect_ratio_idc];
         }else{
             av_log(h->s.avctx, AV_LOG_ERROR, "illegal aspect ratio\n");
@@ -7076,30 +7684,39 @@ static inline int decode_vui_parameters(H264Context *h, SPS *sps){
 
     sps->bitstream_restriction_flag = get_bits1(&s->gb);
     if(sps->bitstream_restriction_flag){
+        unsigned int num_reorder_frames;
         get_bits1(&s->gb);     /* motion_vectors_over_pic_boundaries_flag */
         get_ue_golomb(&s->gb); /* max_bytes_per_pic_denom */
         get_ue_golomb(&s->gb); /* max_bits_per_mb_denom */
         get_ue_golomb(&s->gb); /* log2_max_mv_length_horizontal */
         get_ue_golomb(&s->gb); /* log2_max_mv_length_vertical */
-        sps->num_reorder_frames = get_ue_golomb(&s->gb);
-        get_ue_golomb(&s->gb); /* max_dec_frame_buffering */
+        num_reorder_frames= get_ue_golomb(&s->gb);
+        get_ue_golomb(&s->gb); /*max_dec_frame_buffering*/
+
+        if(num_reorder_frames > 16 /*max_dec_frame_buffering || max_dec_frame_buffering > 16*/){
+            av_log(h->s.avctx, AV_LOG_ERROR, "illegal num_reorder_frames %d\n", num_reorder_frames);
+            return -1;
+        }
+
+        sps->num_reorder_frames= num_reorder_frames;
     }
 
     return 0;
 }
 
-static void decode_scaling_list(H264Context *h, uint8_t *factors, int size, const uint8_t *default_list){
+static void decode_scaling_list(H264Context *h, uint8_t *factors, int size,
+                                const uint8_t *jvt_list, const uint8_t *fallback_list){
     MpegEncContext * const s = &h->s;
     int i, last = 8, next = 8;
     const uint8_t *scan = size == 16 ? zigzag_scan : zigzag_scan8x8;
-    if(!get_bits1(&s->gb)) /* matrix not written, we use the default one */
-        memcpy(factors, default_list, size*sizeof(uint8_t));
+    if(!get_bits1(&s->gb)) /* matrix not written, we use the predicted one */
+        memcpy(factors, fallback_list, size*sizeof(uint8_t));
     else
     for(i=0;i<size;i++){
         if(next)
             next = (last + get_se_golomb(&s->gb)) & 0xff;
-        if(!i && !next){ /* matrix not written, we use the default one */
-            memcpy(factors, default_list, size*sizeof(uint8_t));
+        if(!i && !next){ /* matrix not written, we use the preset one */
+            memcpy(factors, jvt_list, size*sizeof(uint8_t));
             break;
         }
         last = factors[scan[i]] = next ? next : last;
@@ -7118,15 +7735,15 @@ static void decode_scaling_matrices(H264Context *h, SPS *sps, PPS *pps, int is_s
     };
     if(get_bits1(&s->gb)){
         sps->scaling_matrix_present |= is_sps;
-        decode_scaling_list(h,scaling_matrix4[0],16,fallback[0]); // Intra, Y
-        decode_scaling_list(h,scaling_matrix4[1],16,scaling_matrix4[0]); // Intra, Cr
-        decode_scaling_list(h,scaling_matrix4[2],16,scaling_matrix4[1]); // Intra, Cb
-        decode_scaling_list(h,scaling_matrix4[3],16,fallback[1]); // Inter, Y
-        decode_scaling_list(h,scaling_matrix4[4],16,scaling_matrix4[3]); // Inter, Cr
-        decode_scaling_list(h,scaling_matrix4[5],16,scaling_matrix4[4]); // Inter, Cb
+        decode_scaling_list(h,scaling_matrix4[0],16,default_scaling4[0],fallback[0]); // Intra, Y
+        decode_scaling_list(h,scaling_matrix4[1],16,default_scaling4[0],scaling_matrix4[0]); // Intra, Cr
+        decode_scaling_list(h,scaling_matrix4[2],16,default_scaling4[0],scaling_matrix4[1]); // Intra, Cb
+        decode_scaling_list(h,scaling_matrix4[3],16,default_scaling4[1],fallback[1]); // Inter, Y
+        decode_scaling_list(h,scaling_matrix4[4],16,default_scaling4[1],scaling_matrix4[3]); // Inter, Cr
+        decode_scaling_list(h,scaling_matrix4[5],16,default_scaling4[1],scaling_matrix4[4]); // Inter, Cb
         if(is_sps || pps->transform_8x8_mode){
-            decode_scaling_list(h,scaling_matrix8[0],64,fallback[2]);  // Intra, Y
-            decode_scaling_list(h,scaling_matrix8[1],64,fallback[3]);  // Inter, Y
+            decode_scaling_list(h,scaling_matrix8[0],64,default_scaling8[0],fallback[2]);  // Intra, Y
+            decode_scaling_list(h,scaling_matrix8[1],64,default_scaling8[1],fallback[3]);  // Inter, Y
         }
     } else if(fallback_sps) {
         memcpy(scaling_matrix4, sps->scaling_matrix4, 6*16*sizeof(uint8_t));
@@ -7137,7 +7754,8 @@ static void decode_scaling_matrices(H264Context *h, SPS *sps, PPS *pps, int is_s
 static inline int decode_seq_parameter_set(H264Context *h){
     MpegEncContext * const s = &h->s;
     int profile_idc, level_idc;
-    int sps_id, i;
+    unsigned int sps_id, tmp, mb_width, mb_height;
+    int i;
     SPS *sps;
 
     profile_idc= get_bits(&s->gb, 8);
@@ -7149,6 +7767,12 @@ static inline int decode_seq_parameter_set(H264Context *h){
     level_idc= get_bits(&s->gb, 8);
     sps_id= get_ue_golomb(&s->gb);
 
+    if (sps_id >= MAX_SPS_COUNT){
+        // ok it has gone out of hand, someone is sending us bad stuff.
+        av_log(h->s.avctx, AV_LOG_ERROR, "illegal sps_id (%d)\n", sps_id);
+        return -1;
+    }
+
     sps= &h->sps_buffer[ sps_id ];
     sps->profile_idc= profile_idc;
     sps->level_idc= level_idc;
@@ -7172,26 +7796,36 @@ static inline int decode_seq_parameter_set(H264Context *h){
         sps->delta_pic_order_always_zero_flag= get_bits1(&s->gb);
         sps->offset_for_non_ref_pic= get_se_golomb(&s->gb);
         sps->offset_for_top_to_bottom_field= get_se_golomb(&s->gb);
-        sps->poc_cycle_length= get_ue_golomb(&s->gb);
+        tmp= get_ue_golomb(&s->gb);
+
+        if(tmp >= sizeof(sps->offset_for_ref_frame) / sizeof(sps->offset_for_ref_frame[0])){
+            av_log(h->s.avctx, AV_LOG_ERROR, "poc_cycle_length overflow %u\n", tmp);
+            return -1;
+        }
+        sps->poc_cycle_length= tmp;
 
         for(i=0; i<sps->poc_cycle_length; i++)
             sps->offset_for_ref_frame[i]= get_se_golomb(&s->gb);
-    }
-    if(sps->poc_type > 2){
+    }else if(sps->poc_type != 2){
         av_log(h->s.avctx, AV_LOG_ERROR, "illegal POC type %d\n", sps->poc_type);
         return -1;
     }
 
-    sps->ref_frame_count= get_ue_golomb(&s->gb);
-    if(sps->ref_frame_count > MAX_PICTURE_COUNT-2){
+    tmp= get_ue_golomb(&s->gb);
+    if(tmp > MAX_PICTURE_COUNT-2){
         av_log(h->s.avctx, AV_LOG_ERROR, "too many reference frames\n");
     }
+    sps->ref_frame_count= tmp;
     sps->gaps_in_frame_num_allowed_flag= get_bits1(&s->gb);
-    sps->mb_width= get_ue_golomb(&s->gb) + 1;
-    sps->mb_height= get_ue_golomb(&s->gb) + 1;
-    if((unsigned)sps->mb_width >= INT_MAX/16 || (unsigned)sps->mb_height >= INT_MAX/16 ||
-       avcodec_check_dimensions(NULL, 16*sps->mb_width, 16*sps->mb_height))
+    mb_width= get_ue_golomb(&s->gb) + 1;
+    mb_height= get_ue_golomb(&s->gb) + 1;
+    if(mb_width >= INT_MAX/16 || mb_height >= INT_MAX/16 ||
+       avcodec_check_dimensions(NULL, 16*mb_width, 16*mb_height)){
+        av_log(h->s.avctx, AV_LOG_ERROR, "mb_width/height overflow\n");
         return -1;
+    }
+    sps->mb_width = mb_width;
+    sps->mb_height= mb_height;
 
     sps->frame_mbs_only_flag= get_bits1(&s->gb);
     if(!sps->frame_mbs_only_flag)
@@ -7201,6 +7835,13 @@ static inline int decode_seq_parameter_set(H264Context *h){
 
     sps->direct_8x8_inference_flag= get_bits1(&s->gb);
 
+#ifndef ALLOW_INTERLACE
+    if(sps->mb_aff)
+        av_log(h->s.avctx, AV_LOG_ERROR, "MBAFF support not included; enable it at compile-time.\n");
+#endif
+    if(!sps->direct_8x8_inference_flag && sps->mb_aff)
+        av_log(h->s.avctx, AV_LOG_ERROR, "MBAFF + !direct_8x8_inference is not implemented\n");
+
     sps->crop= get_bits1(&s->gb);
     if(sps->crop){
         sps->crop_left  = get_ue_golomb(&s->gb);
@@ -7222,7 +7863,7 @@ static inline int decode_seq_parameter_set(H264Context *h){
         decode_vui_parameters(h, sps);
 
     if(s->avctx->debug&FF_DEBUG_PICT_INFO){
-        av_log(h->s.avctx, AV_LOG_DEBUG, "sps:%d profile:%d/%d poc:%d ref:%d %dx%d %s %s crop:%d/%d/%d/%d %s\n",
+        av_log(h->s.avctx, AV_LOG_DEBUG, "sps:%u profile:%d/%d poc:%d ref:%d %dx%d %s %s crop:%d/%d/%d/%d %s\n",
                sps_id, sps->profile_idc, sps->level_idc,
                sps->poc_type,
                sps->ref_frame_count,
@@ -7239,10 +7880,22 @@ static inline int decode_seq_parameter_set(H264Context *h){
 
 static inline int decode_picture_parameter_set(H264Context *h, int bit_length){
     MpegEncContext * const s = &h->s;
-    int pps_id= get_ue_golomb(&s->gb);
-    PPS *pps= &h->pps_buffer[pps_id];
+    unsigned int tmp, pps_id= get_ue_golomb(&s->gb);
+    PPS *pps;
+
+    if(pps_id>=MAX_PPS_COUNT){
+        av_log(h->s.avctx, AV_LOG_ERROR, "pps_id out of range\n");
+        return -1;
+    }
+    pps = &h->pps_buffer[pps_id];
+
+    tmp= get_ue_golomb(&s->gb);
+    if(tmp>=MAX_SPS_COUNT){
+        av_log(h->s.avctx, AV_LOG_ERROR, "sps_id out of range\n");
+        return -1;
+    }
+    pps->sps_id= tmp;
 
-    pps->sps_id= get_ue_golomb(&s->gb);
     pps->cabac= get_bits1(&s->gb);
     pps->pic_order_present= get_bits1(&s->gb);
     pps->slice_group_count= get_ue_golomb(&s->gb) + 1;
@@ -7285,8 +7938,9 @@ static inline int decode_picture_parameter_set(H264Context *h, int bit_length){
     }
     pps->ref_count[0]= get_ue_golomb(&s->gb) + 1;
     pps->ref_count[1]= get_ue_golomb(&s->gb) + 1;
-    if(pps->ref_count[0] > 32 || pps->ref_count[1] > 32){
+    if(pps->ref_count[0]-1 > 32-1 || pps->ref_count[1]-1 > 32-1){
         av_log(h->s.avctx, AV_LOG_ERROR, "reference overflow (pps)\n");
+        pps->ref_count[0]= pps->ref_count[1]= 1;
         return -1;
     }
 
@@ -7299,6 +7953,8 @@ static inline int decode_picture_parameter_set(H264Context *h, int bit_length){
     pps->constrained_intra_pred= get_bits1(&s->gb);
     pps->redundant_pic_cnt_present = get_bits1(&s->gb);
 
+    pps->transform_8x8_mode= 0;
+    h->dequant_coeff_pps= -1; //contents of sps/pps can change even if id doesn't, so reinit
     memset(pps->scaling_matrix4, 16, 6*16*sizeof(uint8_t));
     memset(pps->scaling_matrix8, 16, 2*64*sizeof(uint8_t));
 
@@ -7309,7 +7965,7 @@ static inline int decode_picture_parameter_set(H264Context *h, int bit_length){
     }
 
     if(s->avctx->debug&FF_DEBUG_PICT_INFO){
-        av_log(h->s.avctx, AV_LOG_DEBUG, "pps:%d sps:%d %s slice_groups:%d ref:%d/%d %s qp:%d/%d/%d %s %s %s %s\n",
+        av_log(h->s.avctx, AV_LOG_DEBUG, "pps:%u sps:%u %s slice_groups:%d ref:%d/%d %s qp:%d/%d/%d %s %s %s %s\n",
                pps_id, pps->sps_id,
                pps->cabac ? "CABAC" : "CAVLC",
                pps->slice_group_count,
@@ -7337,40 +7993,50 @@ static int find_frame_end(H264Context *h, const uint8_t *buf, int buf_size){
 //printf("first %02X%02X%02X%02X\n", buf[0], buf[1],buf[2],buf[3]);
 //    mb_addr= pc->mb_addr - 1;
     state= pc->state;
-    for(i=0; i<=buf_size; i++){
-        if((state&0xFFFFFF1F) == 0x101 || (state&0xFFFFFF1F) == 0x102 || (state&0xFFFFFF1F) == 0x105){
-            tprintf("find_frame_end new startcode = %08x, frame_start_found = %d, pos = %d\n", state, pc->frame_start_found, i);
-            if(pc->frame_start_found){
-                // If there isn't one more byte in the buffer
-                // the test on first_mb_in_slice cannot be done yet
-                // do it at next call.
-                if (i >= buf_size) break;
-                if (buf[i] & 0x80) {
-                    // first_mb_in_slice is 0, probably the first nal of a new
-                    // slice
-                    tprintf("find_frame_end frame_end_found, state = %08x, pos = %d\n", state, i);
-                    pc->state=-1;
+    if(state>13)
+        state= 7;
+
+    for(i=0; i<buf_size; i++){
+        if(state==7){
+            for(; i<buf_size; i++){
+                if(!buf[i]){
+                    state=2;
+                    break;
+                }
+            }
+        }else if(state<=2){
+            if(buf[i]==1)   state^= 5; //2->7, 1->4, 0->5
+            else if(buf[i]) state = 7;
+            else            state>>=1; //2->1, 1->0, 0->0
+        }else if(state<=5){
+            int v= buf[i] & 0x1F;
+            if(v==7 || v==8 || v==9){
+                if(pc->frame_start_found){
+                    i++;
+found:
+                    pc->state=7;
                     pc->frame_start_found= 0;
-                    return i-4;
+                    return i-(state&5);
                 }
+            }else if(v==1 || v==2 || v==5){
+                if(pc->frame_start_found){
+                    state+=8;
+                    continue;
+                }else
+                    pc->frame_start_found = 1;
             }
-            pc->frame_start_found = 1;
-        }
-        if((state&0xFFFFFF1F) == 0x107 || (state&0xFFFFFF1F) == 0x108 || (state&0xFFFFFF1F) == 0x109){
-           if(pc->frame_start_found){
-                pc->state=-1;
-                pc->frame_start_found= 0;
-                return i-4;
-           }
+            state= 7;
+        }else{
+            if(buf[i] & 0x80)
+                goto found;
+            state= 7;
         }
-        if (i<buf_size)
-            state= (state<<8) | buf[i];
     }
-
     pc->state= state;
     return END_NOT_FOUND;
 }
 
+#ifdef CONFIG_H264_PARSER
 static int h264_parse(AVCodecParserContext *s,
                       AVCodecContext *avctx,
                       uint8_t **poutbuf, int *poutbuf_size,
@@ -7380,12 +8046,21 @@ static int h264_parse(AVCodecParserContext *s,
     ParseContext *pc = &h->s.parse_context;
     int next;
 
-    next= find_frame_end(h, buf, buf_size);
+    if(s->flags & PARSER_FLAG_COMPLETE_FRAMES){
+        next= buf_size;
+    }else{
+        next= find_frame_end(h, buf, buf_size);
 
-    if (ff_combine_frame(pc, next, (uint8_t **)&buf, &buf_size) < 0) {
-        *poutbuf = NULL;
-        *poutbuf_size = 0;
-        return buf_size;
+        if (ff_combine_frame(pc, next, (uint8_t **)&buf, &buf_size) < 0) {
+            *poutbuf = NULL;
+            *poutbuf_size = 0;
+            return buf_size;
+        }
+
+        if(next<0 && next != END_NOT_FOUND){
+            assert(pc->last_index + next >= 0 );
+            find_frame_end(h, &pc->buffer[pc->last_index + next], -next); //update state
+        }
     }
 
     *poutbuf = (uint8_t *)buf;
@@ -7416,7 +8091,7 @@ static int h264_split(AVCodecContext *avctx,
     }
     return 0;
 }
-
+#endif /* CONFIG_H264_PARSER */
 
 static int decode_nal_units(H264Context *h, uint8_t *buf, int buf_size){
     MpegEncContext * const s = &h->s;
@@ -7428,8 +8103,11 @@ static int decode_nal_units(H264Context *h, uint8_t *buf, int buf_size){
         av_log(NULL, AV_LOG_ERROR,"%02X ", buf[i]);
     }
 #endif
-    h->slice_num = 0;
-    s->current_picture_ptr= NULL;
+    if(!(s->flags2 & CODEC_FLAG2_CHUNKS)){
+        h->slice_num = 0;
+        s->current_picture_ptr= NULL;
+    }
+
     for(;;){
         int consumed;
         int dst_length;
@@ -7442,10 +8120,19 @@ static int decode_nal_units(H264Context *h, uint8_t *buf, int buf_size){
         nalsize = 0;
         for(i = 0; i < h->nal_length_size; i++)
             nalsize = (nalsize << 8) | buf[buf_index++];
+        if(nalsize <= 1 || (nalsize+buf_index > buf_size)){
+            if(nalsize == 1){
+                buf_index++;
+                continue;
+            }else{
+                av_log(h->s.avctx, AV_LOG_ERROR, "AVC: nal size %d\n", nalsize);
+                break;
+            }
+        }
       } else {
         // start code prefix search
         for(; buf_index + 3 < buf_size; buf_index++){
-            // this should allways succeed in the first iteration
+            // This should always succeed in the first iteration.
             if(buf[buf_index] == 0 && buf[buf_index+1] == 0 && buf[buf_index+2] == 1)
                 break;
         }
@@ -7456,8 +8143,12 @@ static int decode_nal_units(H264Context *h, uint8_t *buf, int buf_size){
       }
 
         ptr= decode_nal(h, buf + buf_index, &dst_length, &consumed, h->is_avc ? nalsize : buf_size - buf_index);
-        if(ptr[dst_length - 1] == 0) dst_length--;
-        bit_length= 8*dst_length - decode_rbsp_trailing(ptr + dst_length - 1);
+        if (ptr==NULL || dst_length < 0){
+            return -1;
+        }
+        while(ptr[dst_length - 1] == 0 && dst_length > 0)
+            dst_length--;
+        bit_length= !dst_length ? 0 : (8*dst_length - decode_rbsp_trailing(h, ptr + dst_length - 1));
 
         if(s->avctx->debug&FF_DEBUG_STARTCODE){
             av_log(h->s.avctx, AV_LOG_DEBUG, "NAL %d at %d/%d length %d\n", h->nal_unit_type, buf_index, buf_size, dst_length);
@@ -7485,6 +8176,7 @@ static int decode_nal_units(H264Context *h, uint8_t *buf, int buf_size){
                 av_log(h->s.avctx, AV_LOG_ERROR, "decode_slice_header error\n");
                 break;
             }
+            s->current_picture_ptr->key_frame= (h->nal_unit_type == NAL_IDR_SLICE);
             if(h->redundant_pic_count==0 && s->hurry_up < 5
                && (avctx->skip_frame < AVDISCARD_NONREF || h->nal_ref_idc)
                && (avctx->skip_frame < AVDISCARD_BIDIR  || h->slice_type!=B_TYPE)
@@ -7511,6 +8203,7 @@ static int decode_nal_units(H264Context *h, uint8_t *buf, int buf_size){
             h->inter_gb_ptr= &h->inter_gb;
 
             if(h->redundant_pic_count==0 && h->intra_gb_ptr && s->data_partitioning
+               && s->context_initialized
                && s->hurry_up < 5
                && (avctx->skip_frame < AVDISCARD_NONREF || h->nal_ref_idc)
                && (avctx->skip_frame < AVDISCARD_BIDIR  || h->slice_type!=B_TYPE)
@@ -7545,29 +8238,11 @@ static int decode_nal_units(H264Context *h, uint8_t *buf, int buf_size){
         case NAL_SPS_EXT:
         case NAL_AUXILIARY_SLICE:
             break;
-       default:
-           av_log(avctx, AV_LOG_ERROR, "Unknown NAL code: %d\n", h->nal_unit_type);
+        default:
+            av_log(avctx, AV_LOG_ERROR, "Unknown NAL code: %d\n", h->nal_unit_type);
         }
     }
 
-    if(!s->current_picture_ptr) return buf_index; //no frame
-
-    s->current_picture_ptr->pict_type= s->pict_type;
-    s->current_picture_ptr->key_frame= s->pict_type == I_TYPE && h->nal_unit_type == NAL_IDR_SLICE;
-
-    h->prev_frame_num_offset= h->frame_num_offset;
-    h->prev_frame_num= h->frame_num;
-    if(s->current_picture_ptr->reference){
-        h->prev_poc_msb= h->poc_msb;
-        h->prev_poc_lsb= h->poc_lsb;
-    }
-    if(s->current_picture_ptr->reference)
-        execute_ref_pic_marking(h, h->mmco, h->mmco_index);
-
-    ff_er_frame_end(s);
-
-    MPV_frame_end(s);
-
     return buf_index;
 }
 
@@ -7602,6 +8277,26 @@ static int decode_frame(AVCodecContext *avctx,
 
    /* no supplementary picture */
     if (buf_size == 0) {
+        Picture *out;
+        int i, out_idx;
+
+//FIXME factorize this with the output code below
+        out = h->delayed_pic[0];
+        out_idx = 0;
+        for(i=1; h->delayed_pic[i] && !h->delayed_pic[i]->key_frame; i++)
+            if(h->delayed_pic[i]->poc < out->poc){
+                out = h->delayed_pic[i];
+                out_idx = i;
+            }
+
+        for(i=out_idx; h->delayed_pic[i]; i++)
+            h->delayed_pic[i] = h->delayed_pic[i+1];
+
+        if(out){
+            *data_size = sizeof(AVFrame);
+            *pict= *(AVFrame*)out;
+        }
+
         return 0;
     }
 
@@ -7631,7 +8326,7 @@ static int decode_frame(AVCodecContext *avctx,
         cnt = *(p+5) & 0x1f; // Number of sps
         p += 6;
         for (i = 0; i < cnt; i++) {
-            nalsize = BE_16(p) + 2;
+            nalsize = AV_RB16(p) + 2;
             if(decode_nal_units(h, p, nalsize) < 0) {
                 av_log(avctx, AV_LOG_ERROR, "Decoding sps %d from avcC failed\n", i);
                 return -1;
@@ -7641,7 +8336,7 @@ static int decode_frame(AVCodecContext *avctx,
         // Decode pps from avcC
         cnt = *(p++); // Number of pps
         for (i = 0; i < cnt; i++) {
-            nalsize = BE_16(p) + 2;
+            nalsize = AV_RB16(p) + 2;
             if(decode_nal_units(h, p, nalsize)  != nalsize) {
                 av_log(avctx, AV_LOG_ERROR, "Decoding pps %d from avcC failed\n", i);
                 return -1;
@@ -7654,7 +8349,7 @@ static int decode_frame(AVCodecContext *avctx,
         h->got_avcC = 1;
     }
 
-    if(!h->is_avc && s->avctx->extradata_size && s->picture_number==0){
+    if(avctx->frame_number==0 && !h->is_avc && s->avctx->extradata_size){
         if(decode_nal_units(h, s->avctx->extradata, s->avctx->extradata_size) < 0)
             return -1;
     }
@@ -7663,28 +8358,41 @@ static int decode_frame(AVCodecContext *avctx,
     if(buf_index < 0)
         return -1;
 
-    //FIXME do something with unavailable reference frames
-
-//    if(ret==FRAME_SKIPPED) return get_consumed_bytes(s, buf_index, buf_size);
-    if(!s->current_picture_ptr){
-        av_log(h->s.avctx, AV_LOG_DEBUG, "error, NO frame\n");
+    if(!(s->flags2 & CODEC_FLAG2_CHUNKS) && !s->current_picture_ptr){
+        av_log(avctx, AV_LOG_ERROR, "no frame!\n");
         return -1;
     }
 
-    {
+    if(!(s->flags2 & CODEC_FLAG2_CHUNKS) || (s->mb_y >= s->mb_height && s->mb_height)){
         Picture *out = s->current_picture_ptr;
+        Picture *cur = s->current_picture_ptr;
+        Picture *prev = h->delayed_output_pic;
+        int i, pics, cross_idr, out_of_order, out_idx;
+
+        s->mb_y= 0;
+
+        s->current_picture_ptr->qscale_type= FF_QSCALE_TYPE_H264;
+        s->current_picture_ptr->pict_type= s->pict_type;
+
+        h->prev_frame_num_offset= h->frame_num_offset;
+        h->prev_frame_num= h->frame_num;
+        if(s->current_picture_ptr->reference){
+            h->prev_poc_msb= h->poc_msb;
+            h->prev_poc_lsb= h->poc_lsb;
+        }
+        if(s->current_picture_ptr->reference)
+            execute_ref_pic_marking(h, h->mmco, h->mmco_index);
+
+        ff_er_frame_end(s);
+
+        MPV_frame_end(s);
+
+    //FIXME do something with unavailable reference frames
+
 #if 0 //decode order
         *data_size = sizeof(AVFrame);
 #else
         /* Sort B-frames into display order */
-        Picture *cur = s->current_picture_ptr;
-        Picture *prev = h->delayed_output_pic;
-        int out_idx = 0;
-        int pics = 0;
-        int out_of_order;
-        int cross_idr = 0;
-        int dropped_frame = 0;
-        int i;
 
         if(h->sps.bitstream_restriction_flag
            && s->avctx->has_b_frames < h->sps.num_reorder_frames){
@@ -7692,16 +8400,22 @@ static int decode_frame(AVCodecContext *avctx,
             s->low_delay = 0;
         }
 
+        pics = 0;
         while(h->delayed_pic[pics]) pics++;
+
+        assert(pics+1 < sizeof(h->delayed_pic) / sizeof(h->delayed_pic[0]));
+
         h->delayed_pic[pics++] = cur;
         if(cur->reference == 0)
             cur->reference = 1;
 
+        cross_idr = 0;
         for(i=0; h->delayed_pic[i]; i++)
             if(h->delayed_pic[i]->key_frame || h->delayed_pic[i]->poc==0)
                 cross_idr = 1;
 
         out = h->delayed_pic[0];
+        out_idx = 0;
         for(i=1; h->delayed_pic[i] && !h->delayed_pic[i]->key_frame; i++)
             if(h->delayed_pic[i]->poc < out->poc){
                 out = h->delayed_pic[i];
@@ -7709,7 +8423,9 @@ static int decode_frame(AVCodecContext *avctx,
             }
 
         out_of_order = !cross_idr && prev && out->poc < prev->poc;
-        if(prev && pics <= s->avctx->has_b_frames)
+        if(h->sps.bitstream_restriction_flag && s->avctx->has_b_frames >= h->sps.num_reorder_frames)
+            { }
+        else if(prev && pics <= s->avctx->has_b_frames)
             out = prev;
         else if((out_of_order && pics-1 == s->avctx->has_b_frames && pics < 15)
            || (s->low_delay &&
@@ -7724,12 +8440,11 @@ static int decode_frame(AVCodecContext *avctx,
             out = prev;
 
         if(out_of_order || pics > s->avctx->has_b_frames){
-            dropped_frame = (out != h->delayed_pic[out_idx]);
             for(i=out_idx; h->delayed_pic[i]; i++)
                 h->delayed_pic[i] = h->delayed_pic[i+1];
         }
 
-        if(prev == out && !dropped_frame)
+        if(prev == out)
             *data_size = 0;
         else
             *data_size = sizeof(AVFrame);
@@ -7870,7 +8585,7 @@ int main(){
         printf("\n");*/
 
         for(j=0; j<16; j++){
-            int diff= ABS(src[j] - ref[j]);
+            int diff= FFABS(src[j] - ref[j]);
 
             error+= diff*diff;
             max_error= FFMAX(max_error, diff);
@@ -7977,6 +8692,7 @@ AVCodec h264_decoder = {
     .flush= flush_dpb,
 };
 
+#ifdef CONFIG_H264_PARSER
 AVCodecParser h264_parser = {
     { CODEC_ID_H264 },
     sizeof(H264Context),
@@ -7985,5 +8701,6 @@ AVCodecParser h264_parser = {
     ff_parse_close,
     h264_split,
 };
+#endif
 
 #include "svq3.c"