]> git.sesse.net Git - ffmpeg/blobdiff - libavcodec/h264.c
Eliminate pointless '#if 1' statements without matching '#else'.
[ffmpeg] / libavcodec / h264.c
index 0bc8739ce3f8982c8e49340953d5514079299472..264afe5b4e191fdd9ff1a95ee819cdda4c67481d 100644 (file)
@@ -1,30 +1,31 @@
 /*
- * H.26L/H.264/AVC/JVT/14496-10/... encoder/decoder
+ * H.26L/H.264/AVC/JVT/14496-10/... decoder
  * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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 2.1 of the License, or (at your option) any later version.
  *
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav 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 FFmpeg; if not, write to the Free Software
+ * License along with Libav; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 /**
- * @file libavcodec/h264.c
+ * @file
  * H.264 / AVC / MPEG4 part10 codec.
  * @author Michael Niedermayer <michaelni@gmx.at>
  */
 
+#include "libavutil/imgutils.h"
 #include "internal.h"
 #include "dsputil.h"
 #include "avcodec.h"
 #include "h264.h"
 #include "h264data.h"
 #include "h264_mvpred.h"
-#include "h264_parser.h"
 #include "golomb.h"
 #include "mathops.h"
 #include "rectangle.h"
 #include "vdpau_internal.h"
+#include "libavutil/avassert.h"
 
 #include "cabac.h"
 
@@ -51,6 +52,13 @@ static const uint8_t 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,
 };
 
+static const enum PixelFormat hwaccel_pixfmt_list_h264_jpeg_420[] = {
+    PIX_FMT_DXVA2_VLD,
+    PIX_FMT_VAAPI_VLD,
+    PIX_FMT_YUVJ420P,
+    PIX_FMT_NONE
+};
+
 void ff_h264_write_back_intra_pred_mode(H264Context *h){
     int8_t *mode= h->intra4x4_pred_mode + h->mb2br_xy[h->mb_xy];
 
@@ -224,7 +232,11 @@ nsc:
     return dst;
 }
 
-int ff_h264_decode_rbsp_trailing(H264Context *h, const uint8_t *src){
+/**
+ * Identify the exact end of the bitstream
+ * @return the length of the trailing, or 0 if damaged
+ */
+static int ff_h264_decode_rbsp_trailing(H264Context *h, const uint8_t *src){
     int v= *src;
     int r;
 
@@ -237,46 +249,6 @@ int ff_h264_decode_rbsp_trailing(H264Context *h, const uint8_t *src){
     return 0;
 }
 
-/**
- * IDCT transforms the 16 dc values and dequantizes them.
- * @param qp quantization parameter
- */
-static void h264_luma_dc_dequant_idct_c(DCTELEM *block, int qp, int qmul){
-#define stride 16
-    int i;
-    int temp[16]; //FIXME check if this is a good idea
-    static const int x_offset[4]={0, 1*stride, 4* stride,  5*stride};
-    static const int y_offset[4]={0, 2*stride, 8* stride, 10*stride};
-
-//memset(block, 64, 2*256);
-//return;
-    for(i=0; i<4; i++){
-        const int offset= y_offset[i];
-        const int z0= block[offset+stride*0] + block[offset+stride*4];
-        const int z1= block[offset+stride*0] - block[offset+stride*4];
-        const int z2= block[offset+stride*1] - block[offset+stride*5];
-        const int z3= block[offset+stride*1] + block[offset+stride*5];
-
-        temp[4*i+0]= z0+z3;
-        temp[4*i+1]= z1+z2;
-        temp[4*i+2]= z1-z2;
-        temp[4*i+3]= z0-z3;
-    }
-
-    for(i=0; i<4; i++){
-        const int offset= x_offset[i];
-        const int z0= temp[4*0+i] + temp[4*2+i];
-        const int z1= temp[4*0+i] - temp[4*2+i];
-        const int z2= temp[4*1+i] - temp[4*3+i];
-        const int z3= temp[4*1+i] + temp[4*3+i];
-
-        block[stride*0 +offset]= ((((z0 + z3)*qmul + 128 ) >> 8)); //FIXME think about merging this into decode_residual
-        block[stride*2 +offset]= ((((z1 + z2)*qmul + 128 ) >> 8));
-        block[stride*8 +offset]= ((((z1 - z2)*qmul + 128 ) >> 8));
-        block[stride*10+offset]= ((((z0 - z3)*qmul + 128 ) >> 8));
-    }
-}
-
 #if 0
 /**
  * DCT transforms the 16 dc values.
@@ -320,7 +292,7 @@ static void h264_luma_dc_dct_c(DCTELEM *block/*, int qp*/){
 #undef xStride
 #undef stride
 
-static void chroma_dc_dequant_idct_c(DCTELEM *block, int qp, int qmul){
+static void chroma_dc_dequant_idct_c(DCTELEM *block, int qmul){
     const int stride= 16*2;
     const int xStride= 16;
     int a,b,c,d,e;
@@ -389,7 +361,7 @@ 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*h->mb_linesize, h->mb_linesize, 16+5, 16+5/*FIXME*/, full_mx-2, full_my-2, pic_width, pic_height);
+        s->dsp.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;
     }
@@ -410,13 +382,13 @@ static inline void mc_dir_part(H264Context *h, Picture *pic, int n, int square,
     src_cr= pic->data[2] + (mx>>3) + (my>>3)*h->mb_uvlinesize;
 
     if(emu){
-        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);
+        s->dsp.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, h->mb_uvlinesize, chroma_height, mx&7, my&7);
 
     if(emu){
-        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);
+        s->dsp.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, h->mb_uvlinesize, chroma_height, mx&7, my&7);
@@ -488,21 +460,21 @@ static inline void mc_part_weighted(H264Context *h, int n, int square, int chrom
                     x_offset, y_offset, qpix_put, chroma_put);
 
         if(h->use_weight == 2){
-            int weight0 = h->implicit_weight[refn0][refn1];
+            int weight0 = h->implicit_weight[refn0][refn1][s->mb_y&1];
             int weight1 = 64 - weight0;
             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, 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]);
+                            h->luma_weight[refn0][0][0] , h->luma_weight[refn1][1][0],
+                            h->luma_weight[refn0][0][1] + h->luma_weight[refn1][1][1]);
             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]);
+                            h->chroma_weight[refn0][0][0][0] , h->chroma_weight[refn1][1][0][0],
+                            h->chroma_weight[refn0][0][0][1] + h->chroma_weight[refn1][1][0][1]);
             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_weight[refn0][0][1][0] , h->chroma_weight[refn1][1][1][0],
+                            h->chroma_weight[refn0][0][1][1] + h->chroma_weight[refn1][1][1][1]);
         }
     }else{
         int list = list1 ? 1 : 0;
@@ -513,12 +485,12 @@ static inline void mc_part_weighted(H264Context *h, int n, int square, int chrom
                     qpix_put, chroma_put);
 
         luma_weight_op(dest_y, h->mb_linesize, h->luma_log2_weight_denom,
-                       h->luma_weight[list][refn], h->luma_offset[list][refn]);
+                       h->luma_weight[refn][list][0], h->luma_weight[refn][list][1]);
         if(h->use_weight_chroma){
             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]);
+                             h->chroma_weight[refn][list][0][0], h->chroma_weight[refn][list][0][1]);
             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]);
+                             h->chroma_weight[refn][list][1][0], h->chroma_weight[refn][list][1][1]);
         }
     }
 }
@@ -531,7 +503,7 @@ static inline void mc_part(H264Context *h, int n, int square, int chroma_height,
                            h264_weight_func *weight_op, h264_biweight_func *weight_avg,
                            int list0, int list1){
     if((h->use_weight==2 && list0 && list1
-        && (h->implicit_weight[ h->ref_cache[0][scan8[n]] ][ h->ref_cache[1][scan8[n]] ] != 32))
+        && (h->implicit_weight[ h->ref_cache[0][scan8[n]] ][ h->ref_cache[1][scan8[n]] ][h->s.mb_y&1] != 32))
        || h->use_weight==1)
         mc_part_weighted(h, n, square, chroma_height, delta, dest_y, dest_cb, dest_cr,
                          x_offset, y_offset, qpix_put, chroma_put,
@@ -645,7 +617,7 @@ static void hl_motion(H264Context *h, uint8_t *dest_y, uint8_t *dest_cb, uint8_t
 }
 
 
-static void free_tables(H264Context *h){
+static void free_tables(H264Context *h, int free_rbsp){
     int i;
     H264Context *hx;
     av_freep(&h->intra4x4_pred_mode);
@@ -668,17 +640,18 @@ static void free_tables(H264Context *h){
         av_freep(&hx->top_borders[1]);
         av_freep(&hx->top_borders[0]);
         av_freep(&hx->s.obmc_scratchpad);
-        av_freep(&hx->rbsp_buffer[1]);
-        av_freep(&hx->rbsp_buffer[0]);
-        hx->rbsp_buffer_size[0] = 0;
-        hx->rbsp_buffer_size[1] = 0;
+        if (free_rbsp){
+            av_freep(&hx->rbsp_buffer[1]);
+            av_freep(&hx->rbsp_buffer[0]);
+            hx->rbsp_buffer_size[0] = 0;
+            hx->rbsp_buffer_size[1] = 0;
+        }
         if (i) av_freep(&h->thread_context[i]);
     }
 }
 
 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];
 
@@ -692,7 +665,7 @@ static void init_dequant8_coeff_table(H264Context *h){
             int shift = div6[q];
             int idx = rem6[q];
             for(x=0; x<64; x++)
-                h->dequant8_coeff[i][q][transpose ? (x>>3)|((x&7)<<3) : x] =
+                h->dequant8_coeff[i][q][(x>>3)|((x&7)<<3)] =
                     ((uint32_t)dequant8_coeff_init[idx][ dequant8_coeff_init_scan[((x>>1)&12) | (x&3)] ] *
                     h->pps.scaling_matrix8[i][x]) << shift;
         }
@@ -701,7 +674,6 @@ static void init_dequant8_coeff_table(H264Context *h){
 
 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++){
@@ -717,7 +689,7 @@ static void init_dequant4_coeff_table(H264Context *h){
             int shift = div6[q] + 2;
             int idx = rem6[q];
             for(x=0; x<16; x++)
-                h->dequant4_coeff[i][q][transpose ? (x>>2)|((x<<2)&0xF) : x] =
+                h->dequant4_coeff[i][q][(x>>2)|((x<<2)&0xF)] =
                     ((uint32_t)dequant4_coeff_init[idx][(x&1) + ((x>>2)&1)] *
                     h->pps.scaling_matrix4[i][x]) << shift;
         }
@@ -781,7 +753,7 @@ int ff_h264_alloc_tables(H264Context *h){
 
     return 0;
 fail:
-    free_tables(h);
+    free_tables(h, 1);
     return -1;
 }
 
@@ -831,6 +803,7 @@ static av_cold void common_init(H264Context *h){
     s->height = s->avctx->height;
     s->codec_id= s->avctx->codec->id;
 
+    ff_h264dsp_init(&h->h264dsp);
     ff_h264_pred_init(&h->hpc, s->codec_id);
 
     h->dequant_coeff_pps= -1;
@@ -843,41 +816,11 @@ static av_cold void common_init(H264Context *h){
     memset(h->pps.scaling_matrix8, 16, 2*64*sizeof(uint8_t));
 }
 
-av_cold int ff_h264_decode_init(AVCodecContext *avctx){
-    H264Context *h= avctx->priv_data;
-    MpegEncContext * const s = &h->s;
-
-    MPV_decode_defaults(s);
-
-    s->avctx = avctx;
-    common_init(h);
-
-    s->out_format = FMT_H264;
-    s->workaround_bugs= avctx->workaround_bugs;
-
-    // set defaults
-//    s->decode_mb= ff_h263_decode_mb;
-    s->quarter_sample = 1;
-    if(!avctx->has_b_frames)
-    s->low_delay= 1;
-
-    avctx->chroma_sample_location = AVCHROMA_LOC_LEFT;
-
-    ff_h264_decode_init_vlc();
-
-    h->thread_context[0] = h;
-    h->outputed_poc = INT_MIN;
-    h->prev_poc_msb= 1<<16;
-    h->x264_build = -1;
-    ff_h264_reset_sei(h);
-    if(avctx->codec_id == CODEC_ID_H264){
-        if(avctx->ticks_per_frame == 1){
-            s->avctx->time_base.den *=2;
-        }
-        avctx->ticks_per_frame = 2;
-    }
+int ff_h264_decode_extradata(H264Context *h)
+{
+    AVCodecContext *avctx = h->s.avctx;
 
-    if(avctx->extradata_size > 0 && avctx->extradata && *(char *)avctx->extradata == 1){
+    if(*(char *)avctx->extradata == 1){
         int i, cnt, nalsize;
         unsigned char *p = avctx->extradata;
 
@@ -915,9 +858,50 @@ av_cold int ff_h264_decode_init(AVCodecContext *avctx){
         h->nal_length_size = ((*(((char*)(avctx->extradata))+4))&0x03)+1;
     } else {
         h->is_avc = 0;
-        if(decode_nal_units(h, s->avctx->extradata, s->avctx->extradata_size) < 0)
+        if(decode_nal_units(h, avctx->extradata, avctx->extradata_size) < 0)
             return -1;
     }
+    return 0;
+}
+
+av_cold int ff_h264_decode_init(AVCodecContext *avctx){
+    H264Context *h= avctx->priv_data;
+    MpegEncContext * const s = &h->s;
+
+    MPV_decode_defaults(s);
+
+    s->avctx = avctx;
+    common_init(h);
+
+    s->out_format = FMT_H264;
+    s->workaround_bugs= avctx->workaround_bugs;
+
+    // set defaults
+//    s->decode_mb= ff_h263_decode_mb;
+    s->quarter_sample = 1;
+    if(!avctx->has_b_frames)
+    s->low_delay= 1;
+
+    avctx->chroma_sample_location = AVCHROMA_LOC_LEFT;
+
+    ff_h264_decode_init_vlc();
+
+    h->thread_context[0] = h;
+    h->outputed_poc = INT_MIN;
+    h->prev_poc_msb= 1<<16;
+    h->x264_build = -1;
+    ff_h264_reset_sei(h);
+    if(avctx->codec_id == CODEC_ID_H264){
+        if(avctx->ticks_per_frame == 1){
+            s->avctx->time_base.den *=2;
+        }
+        avctx->ticks_per_frame = 2;
+    }
+
+    if(avctx->extradata_size > 0 && avctx->extradata &&
+        ff_h264_decode_extradata(h))
+        return -1;
+
     if(h->sps.bitstream_restriction_flag && s->avctx->has_b_frames < h->sps.num_reorder_frames){
         s->avctx->has_b_frames = h->sps.num_reorder_frames;
         s->low_delay = 0;
@@ -958,12 +942,11 @@ int ff_h264_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? */
     for(i = 0; i < s->avctx->thread_count; i++)
-        if(!h->thread_context[i]->s.obmc_scratchpad)
+        if(h->thread_context[i] && !h->thread_context[i]->s.obmc_scratchpad)
             h->thread_context[i]->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 || s->avctx->thread_count > 1)
-        memset(h->slice_table, -1, (s->mb_height*s->mb_stride-1) * sizeof(*h->slice_table));
+    /* some macroblocks can be accessed before they're available in case of lost slices, mbaff or threading*/
+    memset(h->slice_table, -1, (s->mb_height*s->mb_stride-1) * sizeof(*h->slice_table));
 
 //    s->decode= (s->flags&CODEC_FLAG_PSNR) || !s->encoding || s->current_picture.reference /*|| h->contains_intra*/ || 1;
 
@@ -1160,8 +1143,8 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
                             idct_dc_add =
                             idct_add    = s->dsp.add_pixels8;
                         }else{
-                            idct_dc_add = s->dsp.h264_idct8_dc_add;
-                            idct_add    = s->dsp.h264_idct8_add;
+                            idct_dc_add = h->h264dsp.h264_idct8_dc_add;
+                            idct_add    = h->h264dsp.h264_idct8_add;
                         }
                         for(i=0; i<16; i+=4){
                             uint8_t * const ptr= dest_y + block_offset[i];
@@ -1185,8 +1168,8 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
                             idct_dc_add =
                             idct_add    = s->dsp.add_pixels4;
                         }else{
-                            idct_dc_add = s->dsp.h264_idct_dc_add;
-                            idct_add    = s->dsp.h264_idct_add;
+                            idct_dc_add = h->h264dsp.h264_idct_dc_add;
+                            idct_add    = h->h264dsp.h264_idct_add;
                         }
                         for(i=0; i<16; i++){
                             uint8_t * const ptr= dest_y + block_offset[i];
@@ -1226,10 +1209,18 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
             }else{
                 h->hpc.pred16x16[ h->intra16x16_pred_mode ](dest_y , linesize);
                 if(is_h264){
-                    if(!transform_bypass)
-                        h264_luma_dc_dequant_idct_c(h->mb, s->qscale, h->dequant4_coeff[0][s->qscale][0]);
+                    if(h->non_zero_count_cache[ scan8[LUMA_DC_BLOCK_INDEX] ]){
+                        if(!transform_bypass)
+                            h->h264dsp.h264_luma_dc_dequant_idct(h->mb, h->mb_luma_dc, h->dequant4_coeff[0][s->qscale][0]);
+                        else{
+                            static const uint8_t dc_mapping[16] = { 0*16, 1*16, 4*16, 5*16, 2*16, 3*16, 6*16, 7*16,
+                                                                    8*16, 9*16,12*16,13*16,10*16,11*16,14*16,15*16};
+                            for(i = 0; i < 16; i++)
+                                h->mb[dc_mapping[i]] = h->mb_luma_dc[i];
+                        }
+                    }
                 }else
-                    ff_svq3_luma_dc_dequant_idct_c(h->mb, s->qscale);
+                    ff_svq3_luma_dc_dequant_idct_c(h->mb, h->mb_luma_dc, s->qscale);
             }
             if(h->deblocking_filter)
                 xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 0, simple);
@@ -1237,7 +1228,7 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
             hl_motion(h, dest_y, dest_cb, dest_cr,
                       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);
+                      h->h264dsp.weight_h264_pixels_tab, h->h264dsp.biweight_h264_pixels_tab);
         }
 
 
@@ -1254,7 +1245,7 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
                             }
                         }
                     }else{
-                         s->dsp.h264_idct_add16intra(dest_y, block_offset, h->mb, linesize, h->non_zero_count_cache);
+                         h->h264dsp.h264_idct_add16intra(dest_y, block_offset, h->mb, linesize, h->non_zero_count_cache);
                     }
                 }else if(h->cbp&15){
                     if(transform_bypass){
@@ -1267,9 +1258,9 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
                         }
                     }else{
                         if(IS_8x8DCT(mb_type)){
-                            s->dsp.h264_idct8_add4(dest_y, block_offset, h->mb, linesize, h->non_zero_count_cache);
+                            h->h264dsp.h264_idct8_add4(dest_y, block_offset, h->mb, linesize, h->non_zero_count_cache);
                         }else{
-                            s->dsp.h264_idct_add16(dest_y, block_offset, h->mb, linesize, h->non_zero_count_cache);
+                            h->h264dsp.h264_idct_add16(dest_y, block_offset, h->mb, linesize, h->non_zero_count_cache);
                         }
                     }
                 }
@@ -1297,18 +1288,17 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
                     }
                 }
             }else{
-                chroma_dc_dequant_idct_c(h->mb + 16*16, h->chroma_qp[0], h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp[0]][0]);
-                chroma_dc_dequant_idct_c(h->mb + 16*16+4*16, h->chroma_qp[1], h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp[1]][0]);
                 if(is_h264){
-                    idct_add = s->dsp.h264_idct_add;
-                    idct_dc_add = s->dsp.h264_idct_dc_add;
-                    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);
-                    }
+                    if(h->non_zero_count_cache[ scan8[CHROMA_DC_BLOCK_INDEX+0] ])
+                        chroma_dc_dequant_idct_c(h->mb + 16*16     , h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp[0]][0]);
+                    if(h->non_zero_count_cache[ scan8[CHROMA_DC_BLOCK_INDEX+1] ])
+                        chroma_dc_dequant_idct_c(h->mb + 16*16+4*16, h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp[1]][0]);
+                    h->h264dsp.h264_idct_add8(dest, block_offset,
+                                              h->mb, uvlinesize,
+                                              h->non_zero_count_cache);
                 }else{
+                    chroma_dc_dequant_idct_c(h->mb + 16*16     , h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp[0]][0]);
+                    chroma_dc_dequant_idct_c(h->mb + 16*16+4*16, h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp[1]][0]);
                     for(i=16; i<16+8; i++){
                         if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
                             uint8_t * const ptr= dest[(i&4)>>2] + block_offset[i];
@@ -1356,7 +1346,8 @@ static int pred_weight_table(H264Context *h){
     h->use_weight= 0;
     h->use_weight_chroma= 0;
     h->luma_log2_weight_denom= get_ue_golomb(&s->gb);
-    h->chroma_log2_weight_denom= get_ue_golomb(&s->gb);
+    if(CHROMA)
+        h->chroma_log2_weight_denom= get_ue_golomb(&s->gb);
     luma_def = 1<<h->luma_log2_weight_denom;
     chroma_def = 1<<h->chroma_log2_weight_denom;
 
@@ -1368,16 +1359,16 @@ static int pred_weight_table(H264Context *h){
 
             luma_weight_flag= get_bits1(&s->gb);
             if(luma_weight_flag){
-                h->luma_weight[list][i]= get_se_golomb(&s->gb);
-                h->luma_offset[list][i]= get_se_golomb(&s->gb);
-                if(   h->luma_weight[list][i] != luma_def
-                   || h->luma_offset[list][i] != 0) {
+                h->luma_weight[i][list][0]= get_se_golomb(&s->gb);
+                h->luma_weight[i][list][1]= get_se_golomb(&s->gb);
+                if(   h->luma_weight[i][list][0] != luma_def
+                   || h->luma_weight[i][list][1] != 0) {
                     h->use_weight= 1;
                     h->luma_weight_flag[list]= 1;
                 }
             }else{
-                h->luma_weight[list][i]= luma_def;
-                h->luma_offset[list][i]= 0;
+                h->luma_weight[i][list][0]= luma_def;
+                h->luma_weight[i][list][1]= 0;
             }
 
             if(CHROMA){
@@ -1385,10 +1376,10 @@ static int pred_weight_table(H264Context *h){
                 if(chroma_weight_flag){
                     int j;
                     for(j=0; j<2; j++){
-                        h->chroma_weight[list][i][j]= get_se_golomb(&s->gb);
-                        h->chroma_offset[list][i][j]= get_se_golomb(&s->gb);
-                        if(   h->chroma_weight[list][i][j] != chroma_def
-                           || h->chroma_offset[list][i][j] != 0) {
+                        h->chroma_weight[i][list][j][0]= get_se_golomb(&s->gb);
+                        h->chroma_weight[i][list][j][1]= get_se_golomb(&s->gb);
+                        if(   h->chroma_weight[i][list][j][0] != chroma_def
+                           || h->chroma_weight[i][list][j][1] != 0) {
                             h->use_weight_chroma= 1;
                             h->chroma_weight_flag[list]= 1;
                         }
@@ -1396,8 +1387,8 @@ static int pred_weight_table(H264Context *h){
                 }else{
                     int j;
                     for(j=0; j<2; j++){
-                        h->chroma_weight[list][i][j]= chroma_def;
-                        h->chroma_offset[list][i][j]= 0;
+                        h->chroma_weight[i][list][j][0]= chroma_def;
+                        h->chroma_weight[i][list][j][1]= 0;
                     }
                 }
             }
@@ -1408,40 +1399,61 @@ static int pred_weight_table(H264Context *h){
     return 0;
 }
 
-static void implicit_weight_table(H264Context *h){
+/**
+ * Initialize implicit_weight table.
+ * @param field  0/1 initialize the weight for interlaced MBAFF
+ *                -1 initializes the rest
+ */
+static void implicit_weight_table(H264Context *h, int field){
     MpegEncContext * const s = &h->s;
-    int ref0, ref1, i;
-    int cur_poc = s->current_picture_ptr->poc;
+    int ref0, ref1, i, cur_poc, ref_start, ref_count0, ref_count1;
 
     for (i = 0; i < 2; i++) {
         h->luma_weight_flag[i]   = 0;
         h->chroma_weight_flag[i] = 0;
     }
 
-    if(   h->ref_count[0] == 1 && h->ref_count[1] == 1
+    if(field < 0){
+        cur_poc = s->current_picture_ptr->poc;
+    if(   h->ref_count[0] == 1 && h->ref_count[1] == 1 && !FRAME_MBAFF
        && h->ref_list[0][0].poc + h->ref_list[1][0].poc == 2*cur_poc){
         h->use_weight= 0;
         h->use_weight_chroma= 0;
         return;
     }
+        ref_start= 0;
+        ref_count0= h->ref_count[0];
+        ref_count1= h->ref_count[1];
+    }else{
+        cur_poc = s->current_picture_ptr->field_poc[field];
+        ref_start= 16;
+        ref_count0= 16+2*h->ref_count[0];
+        ref_count1= 16+2*h->ref_count[1];
+    }
 
     h->use_weight= 2;
     h->use_weight_chroma= 2;
     h->luma_log2_weight_denom= 5;
     h->chroma_log2_weight_denom= 5;
 
-    for(ref0=0; ref0 < h->ref_count[0]; ref0++){
+    for(ref0=ref_start; ref0 < ref_count0; ref0++){
         int poc0 = h->ref_list[0][ref0].poc;
-        for(ref1=0; ref1 < h->ref_count[1]; ref1++){
+        for(ref1=ref_start; ref1 < ref_count1; ref1++){
             int poc1 = h->ref_list[1][ref1].poc;
             int td = av_clip(poc1 - poc0, -128, 127);
-            h->implicit_weight[ref0][ref1] = 32;
+            int w= 32;
             if(td){
                 int tb = av_clip(cur_poc - poc0, -128, 127);
                 int tx = (16384 + (FFABS(td) >> 1)) / td;
                 int dist_scale_factor = (tb*tx + 32) >> 8;
                 if(dist_scale_factor >= -64 && dist_scale_factor <= 128)
-                    h->implicit_weight[ref0][ref1] = 64 - dist_scale_factor;
+                    w = 64 - dist_scale_factor;
+            }
+            if(field<0){
+                h->implicit_weight[ref0][ref1][0]=
+                h->implicit_weight[ref0][ref1][1]= w;
+            }else{
+                h->implicit_weight[ref0][ref1][field]=w;
             }
         }
     }
@@ -1559,33 +1571,20 @@ static int init_poc(H264Context *h){
  * initialize scan tables
  */
 static void init_scan_tables(H264Context *h){
-    MpegEncContext * const s = &h->s;
     int i;
-    if(s->dsp.h264_idct_add == ff_h264_idct_add_c){ //FIXME little ugly
-        memcpy(h->zigzag_scan, zigzag_scan, 16*sizeof(uint8_t));
-        memcpy(h-> field_scan,  field_scan, 16*sizeof(uint8_t));
-    }else{
-        for(i=0; i<16; i++){
+    for(i=0; i<16; i++){
 #define T(x) (x>>2) | ((x<<2) & 0xF)
-            h->zigzag_scan[i] = T(zigzag_scan[i]);
-            h-> field_scan[i] = T( field_scan[i]);
+        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,       ff_zigzag_direct,     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{
-        for(i=0; i<64; i++){
+    for(i=0; i<64; i++){
 #define T(x) (x>>3) | ((x&7)<<3)
-            h->zigzag_scan8x8[i]       = T(ff_zigzag_direct[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]);
+        h->zigzag_scan8x8[i]       = T(ff_zigzag_direct[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;
@@ -1652,7 +1651,7 @@ static void field_end(H264Context *h){
 }
 
 /**
- * Replicates H264 "master" context to thread contexts.
+ * Replicate H264 "master" context to thread contexts.
  */
 static void clone_slice(H264Context *dst, H264Context *src)
 {
@@ -1678,6 +1677,33 @@ static void clone_slice(H264Context *dst, H264Context *src)
     memcpy(dst->dequant8_coeff,   src->dequant8_coeff,   sizeof(src->dequant8_coeff));
 }
 
+/**
+ * computes profile from profile_idc and constraint_set?_flags
+ *
+ * @param sps SPS
+ *
+ * @return profile as defined by FF_PROFILE_H264_*
+ */
+int ff_h264_get_profile(SPS *sps)
+{
+    int profile = sps->profile_idc;
+
+    switch(sps->profile_idc) {
+    case FF_PROFILE_H264_BASELINE:
+        // constraint_set1_flag set to 1
+        profile |= (sps->constraint_set_flags & 1<<1) ? FF_PROFILE_H264_CONSTRAINED : 0;
+        break;
+    case FF_PROFILE_H264_HIGH_10:
+    case FF_PROFILE_H264_HIGH_422:
+    case FF_PROFILE_H264_HIGH_444_PREDICTIVE:
+        // constraint_set3_flag set to 1
+        profile |= (sps->constraint_set_flags & 1<<3) ? FF_PROFILE_H264_INTRA : 0;
+        break;
+    }
+
+    return profile;
+}
+
 /**
  * decodes a slice header.
  * This will also call MPV_common_init() and frame_start() as needed.
@@ -1757,6 +1783,10 @@ static int decode_slice_header(H264Context *h, H264Context *h0){
     }
     h->sps = *h0->sps_buffers[h->pps.sps_id];
 
+    s->avctx->profile = ff_h264_get_profile(&h->sps);
+    s->avctx->level   = h->sps.level_idc;
+    s->avctx->refs    = h->sps.ref_frame_count;
+
     if(h == h0 && h->dequant_coeff_pps != pps_id){
         h->dequant_coeff_pps = pps_id;
         init_dequant_tables(h);
@@ -1771,13 +1801,14 @@ static int decode_slice_header(H264Context *h, H264Context *h0){
     if(h->sps.frame_mbs_only_flag)
         s->height= 16*s->mb_height - 2*FFMIN(h->sps.crop_bottom, 7);
     else
-        s->height= 16*s->mb_height - 4*FFMIN(h->sps.crop_bottom, 3);
+        s->height= 16*s->mb_height - 4*FFMIN(h->sps.crop_bottom, 7);
 
     if (s->context_initialized
-        && (   s->width != s->avctx->width || s->height != s->avctx->height)) {
+        && (   s->width != s->avctx->width || s->height != s->avctx->height
+            || av_cmp_q(h->sps.sar, s->avctx->sample_aspect_ratio))) {
         if(h != h0)
             return -1;   // width / height changed during parallelized decoding
-        free_tables(h);
+        free_tables(h, 0);
         flush_dpb(s->avctx);
         MPV_common_end(s);
     }
@@ -1787,8 +1818,7 @@ static int decode_slice_header(H264Context *h, H264Context *h0){
 
         avcodec_set_dimensions(s->avctx, s->width, s->height);
         s->avctx->sample_aspect_ratio= h->sps.sar;
-        if(!s->avctx->sample_aspect_ratio.den)
-            s->avctx->sample_aspect_ratio.den = 1;
+        av_assert0(s->avctx->sample_aspect_ratio.den);
 
         if(h->sps.video_signal_type_present_flag){
             s->avctx->color_range = h->sps.full_range ? AVCOL_RANGE_JPEG : AVCOL_RANGE_MPEG;
@@ -1806,7 +1836,12 @@ static int decode_slice_header(H264Context *h, H264Context *h0){
             av_reduce(&s->avctx->time_base.num, &s->avctx->time_base.den,
                       h->sps.num_units_in_tick, den, 1<<30);
         }
-        s->avctx->pix_fmt = s->avctx->get_format(s->avctx, s->avctx->codec->pix_fmts);
+        s->avctx->pix_fmt = s->avctx->get_format(s->avctx,
+                                                 s->avctx->codec->pix_fmts ?
+                                                 s->avctx->codec->pix_fmts :
+                                                 s->avctx->color_range == AVCOL_RANGE_JPEG ?
+                                                 hwaccel_pixfmt_list_h264_jpeg_420 :
+                                                 ff_hwaccel_pixfmt_list_420);
         s->avctx->hwaccel = ff_find_hwaccel(s->avctx->codec->id, s->avctx->pix_fmt);
 
         if (MPV_common_init(s) < 0)
@@ -1822,6 +1857,7 @@ static int decode_slice_header(H264Context *h, H264Context *h0){
             c = h->thread_context[i] = av_malloc(sizeof(H264Context));
             memcpy(c, h->s.thread_context[i], sizeof(MpegEncContext));
             memset(&c->s + 1, 0, sizeof(H264Context) - sizeof(MpegEncContext));
+            c->h264dsp = h->h264dsp;
             c->sps = h->sps;
             c->pps = h->pps;
             init_scan_tables(c);
@@ -1853,13 +1889,30 @@ static int decode_slice_header(H264Context *h, H264Context *h0){
     if(h0->current_slice == 0){
         while(h->frame_num !=  h->prev_frame_num &&
               h->frame_num != (h->prev_frame_num+1)%(1<<h->sps.log2_max_frame_num)){
-            av_log(NULL, AV_LOG_DEBUG, "Frame num gap %d %d\n", h->frame_num, h->prev_frame_num);
+            Picture *prev = h->short_ref_count ? h->short_ref[0] : NULL;
+            av_log(h->s.avctx, AV_LOG_DEBUG, "Frame num gap %d %d\n", h->frame_num, h->prev_frame_num);
             if (ff_h264_frame_start(h) < 0)
                 return -1;
             h->prev_frame_num++;
             h->prev_frame_num %= 1<<h->sps.log2_max_frame_num;
             s->current_picture_ptr->frame_num= h->prev_frame_num;
-            ff_h264_execute_ref_pic_marking(h, NULL, 0);
+            ff_generate_sliding_window_mmcos(h);
+            ff_h264_execute_ref_pic_marking(h, h->mmco, h->mmco_index);
+            /* Error concealment: if a ref is missing, copy the previous ref in its place.
+             * FIXME: avoiding a memcpy would be nice, but ref handling makes many assumptions
+             * about there being no actual duplicates.
+             * FIXME: this doesn't copy padding for out-of-frame motion vectors.  Given we're
+             * concealing a lost frame, this probably isn't noticable by comparison, but it should
+             * be fixed. */
+            if (h->short_ref_count) {
+                if (prev) {
+                    av_image_copy(h->short_ref[0]->data, h->short_ref[0]->linesize,
+                                  (const uint8_t**)prev->data, prev->linesize,
+                                  s->avctx->pix_fmt, s->mb_width*16, s->mb_height*16);
+                    h->short_ref[0]->poc = prev->poc+2;
+                }
+                h->short_ref[0]->frame_num = h->prev_frame_num;
+            }
         }
 
         /* See if we have a decoded first field looking for a pair... */
@@ -2004,9 +2057,9 @@ static int decode_slice_header(H264Context *h, H264Context *h0){
     if(   (h->pps.weighted_pred          && h->slice_type_nos == FF_P_TYPE )
        ||  (h->pps.weighted_bipred_idc==1 && h->slice_type_nos== FF_B_TYPE ) )
         pred_weight_table(h);
-    else if(h->pps.weighted_bipred_idc==2 && h->slice_type_nos== FF_B_TYPE)
-        implicit_weight_table(h);
-    else {
+    else if(h->pps.weighted_bipred_idc==2 && h->slice_type_nos== FF_B_TYPE){
+        implicit_weight_table(h, -1);
+    }else {
         h->use_weight = 0;
         for (i = 0; i < 2; i++) {
             h->luma_weight_flag[i]   = 0;
@@ -2017,9 +2070,15 @@ static int decode_slice_header(H264Context *h, H264Context *h0){
     if(h->nal_ref_idc)
         ff_h264_decode_ref_pic_marking(h0, &s->gb);
 
-    if(FRAME_MBAFF)
+    if(FRAME_MBAFF){
         ff_h264_fill_mbaff_ref_list(h);
 
+        if(h->pps.weighted_bipred_idc==2 && h->slice_type_nos== FF_B_TYPE){
+            implicit_weight_table(h, 0);
+            implicit_weight_table(h, 1);
+        }
+    }
+
     if(h->slice_type_nos==FF_B_TYPE && !h->direct_spatial_mv_pred)
         ff_h264_direct_dist_scale_factor(h);
     ff_h264_direct_ref_list_init(h);
@@ -2144,8 +2203,6 @@ static int decode_slice_header(H264Context *h, H264Context *h0){
     h->emu_edge_width= (s->flags&CODEC_FLAG_EMU_EDGE) ? 0 : 16;
     h->emu_edge_height= (FRAME_MBAFF || FIELD_PICTURE) ? 0 : h->emu_edge_width;
 
-    s->avctx->refs= h->sps.ref_frame_count;
-
     if(s->avctx->debug&FF_DEBUG_PICT_INFO){
         av_log(h->s.avctx, AV_LOG_DEBUG, "slice:%d %s mb:%d %c%s%s pps:%u frame:%d poc:%d/%d ref:%d/%d qp:%d loop:%d:%d:%d weight:%d%s %s\n",
                h->slice_num,
@@ -2178,6 +2235,222 @@ int ff_h264_get_slice_type(const H264Context *h)
     }
 }
 
+/**
+ *
+ * @return non zero if the loop filter can be skiped
+ */
+static int fill_filter_caches(H264Context *h, int mb_type){
+    MpegEncContext * const s = &h->s;
+    const int mb_xy= h->mb_xy;
+    int top_xy, left_xy[2];
+    int top_type, left_type[2];
+
+    top_xy     = mb_xy  - (s->mb_stride << MB_FIELD);
+
+    //FIXME deblocking could skip the intra and nnz parts.
+
+    /* Wow, what a mess, why didn't they simplify the interlacing & intra
+     * stuff, I can't imagine that these complex rules are worth it. */
+
+    left_xy[1] = left_xy[0] = mb_xy-1;
+    if(FRAME_MBAFF){
+        const int left_mb_field_flag     = IS_INTERLACED(s->current_picture.mb_type[mb_xy-1]);
+        const int curr_mb_field_flag     = IS_INTERLACED(mb_type);
+        if(s->mb_y&1){
+            if (left_mb_field_flag != curr_mb_field_flag) {
+                left_xy[0] -= s->mb_stride;
+            }
+        }else{
+            if(curr_mb_field_flag){
+                top_xy      += s->mb_stride & (((s->current_picture.mb_type[top_xy    ]>>7)&1)-1);
+            }
+            if (left_mb_field_flag != curr_mb_field_flag) {
+                left_xy[1] += s->mb_stride;
+            }
+        }
+    }
+
+    h->top_mb_xy = top_xy;
+    h->left_mb_xy[0] = left_xy[0];
+    h->left_mb_xy[1] = left_xy[1];
+    {
+        //for sufficiently low qp, filtering wouldn't do anything
+        //this is a conservative estimate: could also check beta_offset and more accurate chroma_qp
+        int qp_thresh = h->qp_thresh; //FIXME strictly we should store qp_thresh for each mb of a slice
+        int qp = s->current_picture.qscale_table[mb_xy];
+        if(qp <= qp_thresh
+           && (left_xy[0]<0 || ((qp + s->current_picture.qscale_table[left_xy[0]] + 1)>>1) <= qp_thresh)
+           && (top_xy   < 0 || ((qp + s->current_picture.qscale_table[top_xy    ] + 1)>>1) <= qp_thresh)){
+            if(!FRAME_MBAFF)
+                return 1;
+            if(   (left_xy[0]< 0            || ((qp + s->current_picture.qscale_table[left_xy[1]             ] + 1)>>1) <= qp_thresh)
+               && (top_xy    < s->mb_stride || ((qp + s->current_picture.qscale_table[top_xy    -s->mb_stride] + 1)>>1) <= qp_thresh))
+                return 1;
+        }
+    }
+
+    top_type     = s->current_picture.mb_type[top_xy]    ;
+    left_type[0] = s->current_picture.mb_type[left_xy[0]];
+    left_type[1] = s->current_picture.mb_type[left_xy[1]];
+    if(h->deblocking_filter == 2){
+        if(h->slice_table[top_xy     ] != h->slice_num) top_type= 0;
+        if(h->slice_table[left_xy[0] ] != h->slice_num) left_type[0]= left_type[1]= 0;
+    }else{
+        if(h->slice_table[top_xy     ] == 0xFFFF) top_type= 0;
+        if(h->slice_table[left_xy[0] ] == 0xFFFF) left_type[0]= left_type[1] =0;
+    }
+    h->top_type    = top_type    ;
+    h->left_type[0]= left_type[0];
+    h->left_type[1]= left_type[1];
+
+    if(IS_INTRA(mb_type))
+        return 0;
+
+    AV_COPY64(&h->non_zero_count_cache[0+8*1], &h->non_zero_count[mb_xy][ 0]);
+    AV_COPY64(&h->non_zero_count_cache[0+8*2], &h->non_zero_count[mb_xy][ 8]);
+    AV_COPY32(&h->non_zero_count_cache[0+8*5], &h->non_zero_count[mb_xy][16]);
+    AV_COPY32(&h->non_zero_count_cache[4+8*3], &h->non_zero_count[mb_xy][20]);
+    AV_COPY64(&h->non_zero_count_cache[0+8*4], &h->non_zero_count[mb_xy][24]);
+
+    h->cbp= h->cbp_table[mb_xy];
+
+    {
+        int list;
+        for(list=0; list<h->list_count; list++){
+            int8_t *ref;
+            int y, b_stride;
+            int16_t (*mv_dst)[2];
+            int16_t (*mv_src)[2];
+
+            if(!USES_LIST(mb_type, list)){
+                fill_rectangle(  h->mv_cache[list][scan8[0]], 4, 4, 8, pack16to32(0,0), 4);
+                AV_WN32A(&h->ref_cache[list][scan8[ 0]], ((LIST_NOT_USED)&0xFF)*0x01010101u);
+                AV_WN32A(&h->ref_cache[list][scan8[ 2]], ((LIST_NOT_USED)&0xFF)*0x01010101u);
+                AV_WN32A(&h->ref_cache[list][scan8[ 8]], ((LIST_NOT_USED)&0xFF)*0x01010101u);
+                AV_WN32A(&h->ref_cache[list][scan8[10]], ((LIST_NOT_USED)&0xFF)*0x01010101u);
+                continue;
+            }
+
+            ref = &s->current_picture.ref_index[list][4*mb_xy];
+            {
+                int (*ref2frm)[64] = h->ref2frm[ h->slice_num&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);
+                AV_WN32A(&h->ref_cache[list][scan8[ 0]], (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101);
+                AV_WN32A(&h->ref_cache[list][scan8[ 2]], (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101);
+                ref += 2;
+                AV_WN32A(&h->ref_cache[list][scan8[ 8]], (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101);
+                AV_WN32A(&h->ref_cache[list][scan8[10]], (pack16to32(ref2frm[list][ref[0]],ref2frm[list][ref[1]])&0x00FF00FF)*0x0101);
+            }
+
+            b_stride = h->b_stride;
+            mv_dst   = &h->mv_cache[list][scan8[0]];
+            mv_src   = &s->current_picture.motion_val[list][4*s->mb_x + 4*s->mb_y*b_stride];
+            for(y=0; y<4; y++){
+                AV_COPY128(mv_dst + 8*y, mv_src + y*b_stride);
+            }
+
+        }
+    }
+
+
+/*
+0 . T T. T T T T
+1 L . .L . . . .
+2 L . .L . . . .
+3 . T TL . . . .
+4 L . .L . . . .
+5 L . .. . . . .
+*/
+//FIXME constraint_intra_pred & partitioning & nnz (let us hope this is just a typo in the spec)
+    if(top_type){
+        AV_COPY32(&h->non_zero_count_cache[4+8*0], &h->non_zero_count[top_xy][4+3*8]);
+    }
+
+    if(left_type[0]){
+        h->non_zero_count_cache[3+8*1]= h->non_zero_count[left_xy[0]][7+0*8];
+        h->non_zero_count_cache[3+8*2]= h->non_zero_count[left_xy[0]][7+1*8];
+        h->non_zero_count_cache[3+8*3]= h->non_zero_count[left_xy[0]][7+2*8];
+        h->non_zero_count_cache[3+8*4]= h->non_zero_count[left_xy[0]][7+3*8];
+    }
+
+    // CAVLC 8x8dct requires NNZ values for residual decoding that differ from what the loop filter needs
+    if(!CABAC && h->pps.transform_8x8_mode){
+        if(IS_8x8DCT(top_type)){
+            h->non_zero_count_cache[4+8*0]=
+            h->non_zero_count_cache[5+8*0]= h->cbp_table[top_xy] & 4;
+            h->non_zero_count_cache[6+8*0]=
+            h->non_zero_count_cache[7+8*0]= h->cbp_table[top_xy] & 8;
+        }
+        if(IS_8x8DCT(left_type[0])){
+            h->non_zero_count_cache[3+8*1]=
+            h->non_zero_count_cache[3+8*2]= h->cbp_table[left_xy[0]]&2; //FIXME check MBAFF
+        }
+        if(IS_8x8DCT(left_type[1])){
+            h->non_zero_count_cache[3+8*3]=
+            h->non_zero_count_cache[3+8*4]= h->cbp_table[left_xy[1]]&8; //FIXME check MBAFF
+        }
+
+        if(IS_8x8DCT(mb_type)){
+            h->non_zero_count_cache[scan8[0   ]]= h->non_zero_count_cache[scan8[1   ]]=
+            h->non_zero_count_cache[scan8[2   ]]= h->non_zero_count_cache[scan8[3   ]]= h->cbp & 1;
+
+            h->non_zero_count_cache[scan8[0+ 4]]= h->non_zero_count_cache[scan8[1+ 4]]=
+            h->non_zero_count_cache[scan8[2+ 4]]= h->non_zero_count_cache[scan8[3+ 4]]= h->cbp & 2;
+
+            h->non_zero_count_cache[scan8[0+ 8]]= h->non_zero_count_cache[scan8[1+ 8]]=
+            h->non_zero_count_cache[scan8[2+ 8]]= h->non_zero_count_cache[scan8[3+ 8]]= h->cbp & 4;
+
+            h->non_zero_count_cache[scan8[0+12]]= h->non_zero_count_cache[scan8[1+12]]=
+            h->non_zero_count_cache[scan8[2+12]]= h->non_zero_count_cache[scan8[3+12]]= h->cbp & 8;
+        }
+    }
+
+    if(IS_INTER(mb_type) || IS_DIRECT(mb_type)){
+        int list;
+        for(list=0; list<h->list_count; list++){
+            if(USES_LIST(top_type, list)){
+                const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
+                const int b8_xy= 4*top_xy + 2;
+                int (*ref2frm)[64] = h->ref2frm[ h->slice_table[top_xy]&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);
+                AV_COPY128(h->mv_cache[list][scan8[0] + 0 - 1*8], s->current_picture.motion_val[list][b_xy + 0]);
+                h->ref_cache[list][scan8[0] + 0 - 1*8]=
+                h->ref_cache[list][scan8[0] + 1 - 1*8]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 0]];
+                h->ref_cache[list][scan8[0] + 2 - 1*8]=
+                h->ref_cache[list][scan8[0] + 3 - 1*8]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 1]];
+            }else{
+                AV_ZERO128(h->mv_cache[list][scan8[0] + 0 - 1*8]);
+                AV_WN32A(&h->ref_cache[list][scan8[0] + 0 - 1*8], ((LIST_NOT_USED)&0xFF)*0x01010101u);
+            }
+
+            if(!IS_INTERLACED(mb_type^left_type[0])){
+                if(USES_LIST(left_type[0], list)){
+                    const int b_xy= h->mb2b_xy[left_xy[0]] + 3;
+                    const int b8_xy= 4*left_xy[0] + 1;
+                    int (*ref2frm)[64] = h->ref2frm[ h->slice_table[left_xy[0]]&(MAX_SLICES-1) ][0] + (MB_MBAFF ? 20 : 2);
+                    AV_COPY32(h->mv_cache[list][scan8[0] - 1 + 0 ], s->current_picture.motion_val[list][b_xy + h->b_stride*0]);
+                    AV_COPY32(h->mv_cache[list][scan8[0] - 1 + 8 ], s->current_picture.motion_val[list][b_xy + h->b_stride*1]);
+                    AV_COPY32(h->mv_cache[list][scan8[0] - 1 +16 ], s->current_picture.motion_val[list][b_xy + h->b_stride*2]);
+                    AV_COPY32(h->mv_cache[list][scan8[0] - 1 +24 ], s->current_picture.motion_val[list][b_xy + h->b_stride*3]);
+                    h->ref_cache[list][scan8[0] - 1 + 0 ]=
+                    h->ref_cache[list][scan8[0] - 1 + 8 ]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 2*0]];
+                    h->ref_cache[list][scan8[0] - 1 +16 ]=
+                    h->ref_cache[list][scan8[0] - 1 +24 ]= ref2frm[list][s->current_picture.ref_index[list][b8_xy + 2*1]];
+                }else{
+                    AV_ZERO32(h->mv_cache [list][scan8[0] - 1 + 0 ]);
+                    AV_ZERO32(h->mv_cache [list][scan8[0] - 1 + 8 ]);
+                    AV_ZERO32(h->mv_cache [list][scan8[0] - 1 +16 ]);
+                    AV_ZERO32(h->mv_cache [list][scan8[0] - 1 +24 ]);
+                    h->ref_cache[list][scan8[0] - 1 + 0  ]=
+                    h->ref_cache[list][scan8[0] - 1 + 8  ]=
+                    h->ref_cache[list][scan8[0] - 1 + 16 ]=
+                    h->ref_cache[list][scan8[0] - 1 + 24 ]= LIST_NOT_USED;
+                }
+            }
+        }
+    }
+
+    return 0;
+}
+
 static void loop_filter(H264Context *h){
     MpegEncContext * const s = &h->s;
     uint8_t  *dest_y, *dest_cb, *dest_cr;
@@ -2501,14 +2774,9 @@ static int decode_nal_units(H264Context *h, const 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_size - buf_index){
-                if(nalsize == 1){
-                    buf_index++;
-                    continue;
-                }else{
-                    av_log(h->s.avctx, AV_LOG_ERROR, "AVC: nal size %d\n", nalsize);
-                    break;
-                }
+            if(nalsize <= 0 || nalsize > buf_size - buf_index){
+                av_log(h->s.avctx, AV_LOG_ERROR, "AVC: nal size %d\n", nalsize);
+                break;
             }
             next_avc= buf_index + nalsize;
         } else {
@@ -2552,8 +2820,8 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size){
 
         buf_index += consumed;
 
-        if(  (s->hurry_up == 1 && h->nal_ref_idc  == 0) //FIXME do not discard SEI id
-           ||(avctx->skip_frame >= AVDISCARD_NONREF && h->nal_ref_idc  == 0))
+        //FIXME do not discard SEI id
+        if(avctx->skip_frame >= AVDISCARD_NONREF && h->nal_ref_idc  == 0)
             continue;
 
       again:
@@ -2574,18 +2842,17 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size){
             if((err = decode_slice_header(hx, h)))
                break;
 
-            avctx->profile = hx->sps.profile_idc;
-            avctx->level   = hx->sps.level_idc;
-
-            if (s->avctx->hwaccel && h->current_slice == 1) {
-                if (s->avctx->hwaccel->start_frame(s->avctx, NULL, 0) < 0)
+            if (h->current_slice == 1) {
+                if (s->avctx->hwaccel && s->avctx->hwaccel->start_frame(s->avctx, NULL, 0) < 0)
                     return -1;
+                if(CONFIG_H264_VDPAU_DECODER && s->avctx->codec->capabilities&CODEC_CAP_HWACCEL_VDPAU)
+                    ff_vdpau_h264_picture_start(s);
             }
 
             s->current_picture_ptr->key_frame |=
                     (hx->nal_unit_type == NAL_IDR_SLICE) ||
                     (h->sei_recovery_frame_cnt >= 0);
-            if(hx->redundant_pic_count==0 && hx->s.hurry_up < 5
+            if(hx->redundant_pic_count==0
                && (avctx->skip_frame < AVDISCARD_NONREF || hx->nal_ref_idc)
                && (avctx->skip_frame < AVDISCARD_BIDIR  || hx->slice_type_nos!=FF_B_TYPE)
                && (avctx->skip_frame < AVDISCARD_NONKEY || hx->slice_type_nos==FF_I_TYPE)
@@ -2610,9 +2877,6 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size){
             if ((err = decode_slice_header(hx, h)) < 0)
                 break;
 
-            avctx->profile = hx->sps.profile_idc;
-            avctx->level   = hx->sps.level_idc;
-
             hx->s.data_partitioning = 1;
 
             break;
@@ -2626,7 +2890,6 @@ static int decode_nal_units(H264Context *h, const uint8_t *buf, int buf_size){
 
             if(hx->redundant_pic_count==0 && hx->intra_gb_ptr && hx->s.data_partitioning
                && s->context_initialized
-               && s->hurry_up < 5
                && (avctx->skip_frame < AVDISCARD_NONREF || hx->nal_ref_idc)
                && (avctx->skip_frame < AVDISCARD_BIDIR  || hx->slice_type_nos!=FF_B_TYPE)
                && (avctx->skip_frame < AVDISCARD_NONKEY || hx->slice_type_nos==FF_I_TYPE)
@@ -2712,6 +2975,7 @@ static int decode_frame(AVCodecContext *avctx,
     s->flags2= avctx->flags2;
 
    /* end of stream, output what is still in the buffers */
+ out:
     if (buf_size == 0) {
         Picture *out;
         int i, out_idx;
@@ -2740,8 +3004,14 @@ static int decode_frame(AVCodecContext *avctx,
     if(buf_index < 0)
         return -1;
 
+    if (!s->current_picture_ptr && h->nal_unit_type == NAL_END_SEQUENCE) {
+        buf_size = 0;
+        goto out;
+    }
+
     if(!(s->flags2 & CODEC_FLAG2_CHUNKS) && !s->current_picture_ptr){
-        if (avctx->skip_frame >= AVDISCARD_NONREF || s->hurry_up) return 0;
+        if (avctx->skip_frame >= AVDISCARD_NONREF)
+            return 0;
         av_log(avctx, AV_LOG_ERROR, "no frame!\n");
         return -1;
     }
@@ -3004,7 +3274,7 @@ int main(void){
         }
 //        printf("\n");
 
-        s->dsp.h264_idct_add(ref, block, 4);
+        h->h264dsp.h264_idct_add(ref, block, 4);
 /*        for(j=0; j<16; j++){
             printf("%d ", ref[j]);
         }
@@ -3093,7 +3363,7 @@ av_cold void ff_h264_free_context(H264Context *h)
 {
     int i;
 
-    free_tables(h); //FIXME cleanup init stuff perhaps
+    free_tables(h, 1); //FIXME cleanup init stuff perhaps
 
     for(i = 0; i < MAX_SPS_COUNT; i++)
         av_freep(h->sps_buffers + i);
@@ -3116,26 +3386,43 @@ av_cold int ff_h264_decode_end(AVCodecContext *avctx)
     return 0;
 }
 
+static const AVProfile profiles[] = {
+    { FF_PROFILE_H264_BASELINE,             "Baseline"              },
+    { FF_PROFILE_H264_CONSTRAINED_BASELINE, "Constrained Baseline"  },
+    { FF_PROFILE_H264_MAIN,                 "Main"                  },
+    { FF_PROFILE_H264_EXTENDED,             "Extended"              },
+    { FF_PROFILE_H264_HIGH,                 "High"                  },
+    { FF_PROFILE_H264_HIGH_10,              "High 10"               },
+    { FF_PROFILE_H264_HIGH_10_INTRA,        "High 10 Intra"         },
+    { FF_PROFILE_H264_HIGH_422,             "High 4:2:2"            },
+    { FF_PROFILE_H264_HIGH_422_INTRA,       "High 4:2:2 Intra"      },
+    { FF_PROFILE_H264_HIGH_444,             "High 4:4:4"            },
+    { FF_PROFILE_H264_HIGH_444_PREDICTIVE,  "High 4:4:4 Predictive" },
+    { FF_PROFILE_H264_HIGH_444_INTRA,       "High 4:4:4 Intra"      },
+    { FF_PROFILE_H264_CAVLC_444,            "CAVLC 4:4:4"           },
+    { FF_PROFILE_UNKNOWN },
+};
 
-AVCodec h264_decoder = {
+AVCodec ff_h264_decoder = {
     "h264",
-    CODEC_TYPE_VIDEO,
+    AVMEDIA_TYPE_VIDEO,
     CODEC_ID_H264,
     sizeof(H264Context),
     ff_h264_decode_init,
     NULL,
     ff_h264_decode_end,
     decode_frame,
-    /*CODEC_CAP_DRAW_HORIZ_BAND |*/ CODEC_CAP_DR1 | CODEC_CAP_DELAY,
+    /*CODEC_CAP_DRAW_HORIZ_BAND |*/ CODEC_CAP_DR1 | CODEC_CAP_DELAY |
+        CODEC_CAP_SLICE_THREADS,
     .flush= flush_dpb,
     .long_name = NULL_IF_CONFIG_SMALL("H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10"),
-    .pix_fmts= ff_hwaccel_pixfmt_list_420,
+    .profiles = NULL_IF_CONFIG_SMALL(profiles),
 };
 
 #if CONFIG_H264_VDPAU_DECODER
-AVCodec h264_vdpau_decoder = {
+AVCodec ff_h264_vdpau_decoder = {
     "h264_vdpau",
-    CODEC_TYPE_VIDEO,
+    AVMEDIA_TYPE_VIDEO,
     CODEC_ID_H264,
     sizeof(H264Context),
     ff_h264_decode_init,
@@ -3146,5 +3433,6 @@ AVCodec h264_vdpau_decoder = {
     .flush= flush_dpb,
     .long_name = NULL_IF_CONFIG_SMALL("H.264 / AVC / MPEG-4 AVC / MPEG-4 part 10 (VDPAU acceleration)"),
     .pix_fmts = (const enum PixelFormat[]){PIX_FMT_VDPAU_H264, PIX_FMT_NONE},
+    .profiles = NULL_IF_CONFIG_SMALL(profiles),
 };
 #endif