#ifndef AVCODEC_H264_H
#define AVCODEC_H264_H
+#include "libavutil/intreadwrite.h"
#include "dsputil.h"
#include "cabac.h"
#include "mpegvideo.h"
+#include "h264dsp.h"
#include "h264pred.h"
+#include "rectangle.h"
#define interlaced_dct interlaced_dct_is_a_bad_name
#define mb_intra mb_intra_is_not_initialized_see_mb_type
#define ALLOW_NOCHROMA
+#define FMO 0
+
/**
* The maximum number of slices supported by the decoder.
* must be a power of 2
#define CHROMA 1
#endif
+#ifndef CABAC
+#define CABAC h->pps.cabac
+#endif
+
#define EXTENDED_SAR 255
#define MB_TYPE_REF0 MB_TYPE_ACPRED //dirty but it fits in 16 bit
*/
typedef struct H264Context{
MpegEncContext s;
- int nal_ref_idc;
- int nal_unit_type;
- uint8_t *rbsp_buffer[2];
- unsigned int rbsp_buffer_size[2];
-
- /**
- * Used to parse AVC variant of h264
- */
- int is_avc; ///< this flag is != 0 if codec is avc1
- int got_avcC; ///< flag used to parse avcC data only once
- int nal_length_size; ///< Number of bytes used for nal length (1, 2 or 4)
-
+ H264DSPContext h264dsp;
int chroma_qp[2]; //QPc
+ int qp_thresh; ///< QP threshold to skip loopfilter
+
int prev_mb_skipped;
int next_mb_skipped;
int chroma_pred_mode;
int intra16x16_pred_mode;
+ int topleft_mb_xy;
int top_mb_xy;
+ int topright_mb_xy;
int left_mb_xy[2];
+ int topleft_type;
+ int top_type;
+ int topright_type;
+ int left_type[2];
+
+ const uint8_t * left_block;
+ int topleft_partition;
+
int8_t intra4x4_pred_mode_cache[5*8];
- int8_t (*intra4x4_pred_mode)[8];
+ int8_t (*intra4x4_pred_mode);
H264PredContext hpc;
unsigned int topleft_samples_available;
unsigned int top_samples_available;
unsigned int topright_samples_available;
unsigned int left_samples_available;
uint8_t (*top_borders[2])[16+2*8];
- uint8_t left_border[2*(17+2*9)];
/**
* non zero coeff count cache.
* is 64 if not available.
*/
- DECLARE_ALIGNED_8(uint8_t, non_zero_count_cache[6*8]);
- uint8_t (*non_zero_count)[16];
+ DECLARE_ALIGNED(8, uint8_t, non_zero_count_cache)[6*8];
+
+ /*
+ .UU.YYYY
+ .UU.YYYY
+ .vv.YYYY
+ .VV.YYYY
+ */
+ uint8_t (*non_zero_count)[32];
/**
* Motion vector cache.
*/
- DECLARE_ALIGNED_8(int16_t, mv_cache[2][5*8][2]);
- DECLARE_ALIGNED_8(int8_t, ref_cache[2][5*8]);
+ DECLARE_ALIGNED(16, 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
int block_offset[2*(16+8)];
uint32_t *mb2b_xy; //FIXME are these 4 a good idea?
- uint32_t *mb2b8_xy;
+ uint32_t *mb2br_xy;
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;
-
- int unknown_svq3_flag;
- int next_slice_index;
-
- SPS *sps_buffers[MAX_SPS_COUNT];
SPS sps; ///< current sps
- PPS *pps_buffers[MAX_PPS_COUNT];
/**
* current pps
*/
PPS pps; //FIXME move to Picture perhaps? (->no) do we need that?
- uint32_t dequant4_buffer[6][52][16];
+ uint32_t dequant4_buffer[6][52][16]; //FIXME should these be moved down?
uint32_t dequant8_buffer[2][52][64];
uint32_t (*dequant4_coeff[6])[16];
uint32_t (*dequant8_coeff[2])[64];
- int dequant_coeff_pps; ///< reinit tables when pps changes
int slice_num;
- uint16_t *slice_table_base;
uint16_t *slice_table; ///< slice_table_base + 2*mb_stride + 1
int slice_type;
int slice_type_nos; ///< S free slice type (SI/SP are remapped to I/P)
int mb_field_decoding_flag;
int mb_mbaff; ///< mb_aff_frame && mb_field_decoding_flag
- DECLARE_ALIGNED_8(uint16_t, sub_mb_type[4]);
-
- //POC stuff
- int poc_lsb;
- int poc_msb;
- int delta_poc_bottom;
- int delta_poc[2];
- int frame_num;
- int prev_poc_msb; ///< poc_msb of the last reference pic for POC type 0
- int prev_poc_lsb; ///< poc_lsb of the last reference pic for POC type 0
- int frame_num_offset; ///< for POC type 2
- int prev_frame_num_offset; ///< for POC type 2
- int prev_frame_num; ///< frame_num of the last pic for POC type 1/2
-
- /**
- * frame_num for frames or 2*frame_num+1 for field pics.
- */
- int curr_pic_num;
-
- /**
- * max_frame_num or 2*max_frame_num for field pics.
- */
- int max_pic_num;
+ DECLARE_ALIGNED(8, uint16_t, sub_mb_type)[4];
//Weighted pred stuff
int use_weight;
int use_weight_chroma;
int luma_log2_weight_denom;
int chroma_log2_weight_denom;
- 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
- int slice_alpha_c0_offset;
- int slice_beta_offset;
-
- int redundant_pic_count;
+ //The following 2 can be changed to int8_t but that causes 10cpu cycles speedloss
+ int luma_weight[48][2][2];
+ int chroma_weight[48][2][2][2];
+ int implicit_weight[48][48][2];
int direct_spatial_mv_pred;
+ int col_parity;
+ int col_fieldoff;
int dist_scale_factor[16];
int dist_scale_factor_field[2][32];
int map_col_to_list0[2][16+32];
*/
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]; ///< base reference list for all slices of a coded picture
+ uint8_t *list_counts; ///< Array of list_count per MB specifying the slice type
Picture ref_list[2][48]; /**< 0..15: frame refs, 16..47: mbaff field refs.
Reordered version of default_ref_list
according to picture reordering in slice header */
int ref2frm[MAX_SLICES][2][64]; ///< reference to frame number lists, used in the loop filter, the first 2 are for -2,-1
- Picture *delayed_pic[MAX_DELAYED_PIC_COUNT+2]; //FIXME size?
- int outputed_poc;
-
- /**
- * memory management control operations buffer.
- */
- MMCO mmco[MAX_MMCO_COUNT];
- int mmco_index;
-
- int long_ref_count; ///< number of actual long term references
- int short_ref_count; ///< number of actual short term references
//data partitioning
GetBitContext intra_gb;
GetBitContext *intra_gb_ptr;
GetBitContext *inter_gb_ptr;
- DECLARE_ALIGNED_16(DCTELEM, mb[16*24]);
+ DECLARE_ALIGNED(16, 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 too large or ensure that there is some unused stuff after mb
/**
*/
CABACContext cabac;
uint8_t cabac_state[460];
- int cabac_init_idc;
/* 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;
/* 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];
- DECLARE_ALIGNED_8(int16_t, mvd_cache[2][5*8][2]);
+ uint8_t (*mvd_table[2])[2];
+ DECLARE_ALIGNED(16, uint8_t, mvd_cache)[2][5*8][2];
uint8_t *direct_table;
uint8_t direct_cache[5*8];
int x264_build;
+ int mb_xy;
+
+ int is_complex;
+
+ //deblock
+ int deblocking_filter; ///< disable_deblocking_filter_idc with 1<->0
+ int slice_alpha_c0_offset;
+ int slice_beta_offset;
+
+//=============================================================
+ //Things below are not used in the MB or more inner code
+
+ int nal_ref_idc;
+ int nal_unit_type;
+ uint8_t *rbsp_buffer[2];
+ unsigned int rbsp_buffer_size[2];
+
+ /**
+ * Used to parse AVC variant of h264
+ */
+ int is_avc; ///< this flag is != 0 if codec is avc1
+ int nal_length_size; ///< Number of bytes used for nal length (1, 2 or 4)
+
+ SPS *sps_buffers[MAX_SPS_COUNT];
+ PPS *pps_buffers[MAX_PPS_COUNT];
+
+ int dequant_coeff_pps; ///< reinit tables when pps changes
+
+ uint16_t *slice_table_base;
+
+
+ //POC stuff
+ int poc_lsb;
+ int poc_msb;
+ int delta_poc_bottom;
+ int delta_poc[2];
+ int frame_num;
+ int prev_poc_msb; ///< poc_msb of the last reference pic for POC type 0
+ int prev_poc_lsb; ///< poc_lsb of the last reference pic for POC type 0
+ int frame_num_offset; ///< for POC type 2
+ int prev_frame_num_offset; ///< for POC type 2
+ int prev_frame_num; ///< frame_num of the last pic for POC type 1/2
+
+ /**
+ * frame_num for frames or 2*frame_num+1 for field pics.
+ */
+ int curr_pic_num;
+
+ /**
+ * max_frame_num or 2*max_frame_num for field pics.
+ */
+ int max_pic_num;
+
+ int redundant_pic_count;
+
+ Picture *short_ref[32];
+ Picture *long_ref[32];
+ Picture default_ref_list[2][32]; ///< base reference list for all slices of a coded picture
+ Picture *delayed_pic[MAX_DELAYED_PIC_COUNT+2]; //FIXME size?
+ int outputed_poc;
+
+ /**
+ * memory management control operations buffer.
+ */
+ MMCO mmco[MAX_MMCO_COUNT];
+ int mmco_index;
+
+ int long_ref_count; ///< number of actual long term references
+ int short_ref_count; ///< number of actual short term references
+
+ int cabac_init_idc;
+
/**
* @defgroup multithreading Members for slice based multithreading
* @{
int last_slice_type;
/** @} */
- int mb_xy;
-
- uint32_t svq3_watermark_key;
-
/**
* pic_struct in picture timing SEI message
*/
*/
int sei_recovery_frame_cnt;
- int is_complex;
-
int luma_weight_flag[2]; ///< 7.4.3.2 luma_weight_lX_flag
int chroma_weight_flag[2]; ///< 7.4.3.2 chroma_weight_lX_flag
// Timestamp stuff
int sei_buffering_period_present; ///< Buffering period SEI flag
int initial_cpb_removal_delay[32]; ///< Initial timestamps for CPBs
+
+ //SVQ3 specific fields
+ int halfpel_flag;
+ int thirdpel_flag;
+ int unknown_svq3_flag;
+ int next_slice_index;
+ uint32_t svq3_watermark_key;
}H264Context;
extern const uint8_t ff_h264_chroma_qp[52];
+void ff_svq3_luma_dc_dequant_idct_c(DCTELEM *block, int qp);
+
+void ff_svq3_add_idct_c(uint8_t *dst, DCTELEM *block, int stride, int qp, int dc);
/**
* Decode SEI
* @param consumed is the number of bytes used as input
* @param length is the length of the array
* @param dst_length is the number of decoded bytes FIXME here or a decode rbsp tailing?
- * @returns decoded bytes, might be src+1 if no escapes
+ * @return decoded bytes, might be src+1 if no escapes
*/
const uint8_t *ff_h264_decode_nal(H264Context *h, const uint8_t *src, int *dst_length, int *consumed, int length);
/**
* reconstructs bitstream slice_type.
*/
-int ff_h264_get_slice_type(H264Context *h);
+int ff_h264_get_slice_type(const H264Context *h);
/**
* allocates tables.
int ff_h264_decode_ref_pic_marking(H264Context *h, GetBitContext *gb);
+/**
+ * checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
+ */
+int ff_h264_check_intra4x4_pred_mode(H264Context *h);
+
/**
* checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
*/
int ff_h264_frame_start(H264Context *h);
av_cold int ff_h264_decode_init(AVCodecContext *avctx);
av_cold int ff_h264_decode_end(AVCodecContext *avctx);
+av_cold void ff_h264_decode_init_vlc(void);
+
+/**
+ * decodes a macroblock
+ * @return 0 if OK, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed
+ */
+int ff_h264_decode_mb_cavlc(H264Context *h);
+
+/**
+ * decodes a CABAC coded macroblock
+ * @return 0 if OK, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed
+ */
+int ff_h264_decode_mb_cabac(H264Context *h);
+
+void ff_h264_init_cabac_states(H264Context *h);
void ff_h264_direct_dist_scale_factor(H264Context * const h);
void ff_h264_direct_ref_list_init(H264Context * const h);
#endif
}
+static av_always_inline uint16_t pack8to16(int a, int b){
+#if HAVE_BIGENDIAN
+ return (b&0xFF) + (a<<8);
+#else
+ return (a&0xFF) + (b<<8);
+#endif
+}
+
/**
- * checks if the top & left blocks are available if needed & changes the dc mode so it only uses the available blocks.
+ * gets the chroma qp.
*/
-static inline int check_intra4x4_pred_mode(H264Context *h){
+static inline int get_chroma_qp(H264Context *h, int t, int qscale){
+ return h->pps.chroma_qp_table[t][qscale];
+}
+
+static inline void pred_pskip_motion(H264Context * const h, int * const mx, int * const my);
+
+static void fill_decode_neighbors(H264Context *h, int mb_type){
MpegEncContext * const s = &h->s;
- static const int8_t top [12]= {-1, 0,LEFT_DC_PRED,-1,-1,-1,-1,-1, 0};
- static const int8_t left[12]= { 0,-1, TOP_DC_PRED, 0,-1,-1,-1, 0,-1,DC_128_PRED};
+ const int mb_xy= h->mb_xy;
+ int topleft_xy, top_xy, topright_xy, left_xy[2];
+ static const uint8_t left_block_options[4][16]={
+ {0,1,2,3,7,10,8,11,7+0*8, 7+1*8, 7+2*8, 7+3*8, 2+0*8, 2+3*8, 2+1*8, 2+2*8},
+ {2,2,3,3,8,11,8,11,7+2*8, 7+2*8, 7+3*8, 7+3*8, 2+1*8, 2+2*8, 2+1*8, 2+2*8},
+ {0,0,1,1,7,10,7,10,7+0*8, 7+0*8, 7+1*8, 7+1*8, 2+0*8, 2+3*8, 2+0*8, 2+3*8},
+ {0,2,0,2,7,10,7,10,7+0*8, 7+2*8, 7+0*8, 7+2*8, 2+0*8, 2+3*8, 2+0*8, 2+3*8}
+ };
+
+ h->topleft_partition= -1;
+
+ top_xy = mb_xy - (s->mb_stride << MB_FIELD);
+
+ /* Wow, what a mess, why didn't they simplify the interlacing & intra
+ * stuff, I can't imagine that these complex rules are worth it. */
+
+ topleft_xy = top_xy - 1;
+ topright_xy= top_xy + 1;
+ left_xy[1] = left_xy[0] = mb_xy-1;
+ h->left_block = left_block_options[0];
+ 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[1] = left_xy[0] = mb_xy - s->mb_stride - 1;
+ if (curr_mb_field_flag) {
+ left_xy[1] += s->mb_stride;
+ h->left_block = left_block_options[3];
+ } else {
+ topleft_xy += s->mb_stride;
+ // take top left mv from the middle of the mb, as opposed to all other modes which use the bottom right partition
+ h->topleft_partition = 0;
+ h->left_block = left_block_options[1];
+ }
+ }
+ }else{
+ if(curr_mb_field_flag){
+ topleft_xy += s->mb_stride & (((s->current_picture.mb_type[top_xy - 1]>>7)&1)-1);
+ topright_xy += s->mb_stride & (((s->current_picture.mb_type[top_xy + 1]>>7)&1)-1);
+ top_xy += s->mb_stride & (((s->current_picture.mb_type[top_xy ]>>7)&1)-1);
+ }
+ if (left_mb_field_flag != curr_mb_field_flag) {
+ if (curr_mb_field_flag) {
+ left_xy[1] += s->mb_stride;
+ h->left_block = left_block_options[3];
+ } else {
+ h->left_block = left_block_options[2];
+ }
+ }
+ }
+ }
+
+ h->topleft_mb_xy = topleft_xy;
+ h->top_mb_xy = top_xy;
+ h->topright_mb_xy= topright_xy;
+ h->left_mb_xy[0] = left_xy[0];
+ h->left_mb_xy[1] = left_xy[1];
+ //FIXME do we need all in the context?
+
+ h->topleft_type = s->current_picture.mb_type[topleft_xy] ;
+ h->top_type = s->current_picture.mb_type[top_xy] ;
+ h->topright_type= s->current_picture.mb_type[topright_xy];
+ h->left_type[0] = s->current_picture.mb_type[left_xy[0]] ;
+ h->left_type[1] = s->current_picture.mb_type[left_xy[1]] ;
+
+ if(FMO){
+ if(h->slice_table[topleft_xy ] != h->slice_num) h->topleft_type = 0;
+ if(h->slice_table[top_xy ] != h->slice_num) h->top_type = 0;
+ if(h->slice_table[left_xy[0] ] != h->slice_num) h->left_type[0] = h->left_type[1] = 0;
+ }else{
+ if(h->slice_table[topleft_xy ] != h->slice_num){
+ h->topleft_type = 0;
+ if(h->slice_table[top_xy ] != h->slice_num) h->top_type = 0;
+ if(h->slice_table[left_xy[0] ] != h->slice_num) h->left_type[0] = h->left_type[1] = 0;
+ }
+ }
+ if(h->slice_table[topright_xy] != h->slice_num) h->topright_type= 0;
+}
+
+static void fill_decode_caches(H264Context *h, int mb_type){
+ MpegEncContext * const s = &h->s;
+ int topleft_xy, top_xy, topright_xy, left_xy[2];
+ int topleft_type, top_type, topright_type, left_type[2];
+ const uint8_t * left_block= h->left_block;
int i;
- if(!(h->top_samples_available&0x8000)){
- for(i=0; i<4; i++){
- int status= top[ h->intra4x4_pred_mode_cache[scan8[0] + i] ];
- if(status<0){
- av_log(h->s.avctx, AV_LOG_ERROR, "top block unavailable for requested intra4x4 mode %d at %d %d\n", status, s->mb_x, s->mb_y);
- return -1;
- } else if(status){
- h->intra4x4_pred_mode_cache[scan8[0] + i]= status;
+ topleft_xy = h->topleft_mb_xy ;
+ top_xy = h->top_mb_xy ;
+ topright_xy = h->topright_mb_xy;
+ left_xy[0] = h->left_mb_xy[0] ;
+ left_xy[1] = h->left_mb_xy[1] ;
+ topleft_type = h->topleft_type ;
+ top_type = h->top_type ;
+ topright_type= h->topright_type ;
+ left_type[0] = h->left_type[0] ;
+ left_type[1] = h->left_type[1] ;
+
+ if(!IS_SKIP(mb_type)){
+ if(IS_INTRA(mb_type)){
+ int type_mask= h->pps.constrained_intra_pred ? IS_INTRA(-1) : -1;
+ h->topleft_samples_available=
+ h->top_samples_available=
+ h->left_samples_available= 0xFFFF;
+ h->topright_samples_available= 0xEEEA;
+
+ if(!(top_type & type_mask)){
+ h->topleft_samples_available= 0xB3FF;
+ h->top_samples_available= 0x33FF;
+ h->topright_samples_available= 0x26EA;
}
+ if(IS_INTERLACED(mb_type) != IS_INTERLACED(left_type[0])){
+ if(IS_INTERLACED(mb_type)){
+ if(!(left_type[0] & type_mask)){
+ h->topleft_samples_available&= 0xDFFF;
+ h->left_samples_available&= 0x5FFF;
+ }
+ if(!(left_type[1] & type_mask)){
+ h->topleft_samples_available&= 0xFF5F;
+ h->left_samples_available&= 0xFF5F;
+ }
+ }else{
+ int left_typei = s->current_picture.mb_type[left_xy[0] + s->mb_stride];
+
+ assert(left_xy[0] == left_xy[1]);
+ if(!((left_typei & type_mask) && (left_type[0] & type_mask))){
+ h->topleft_samples_available&= 0xDF5F;
+ h->left_samples_available&= 0x5F5F;
+ }
+ }
+ }else{
+ if(!(left_type[0] & type_mask)){
+ h->topleft_samples_available&= 0xDF5F;
+ h->left_samples_available&= 0x5F5F;
+ }
+ }
+
+ if(!(topleft_type & type_mask))
+ h->topleft_samples_available&= 0x7FFF;
+
+ if(!(topright_type & type_mask))
+ h->topright_samples_available&= 0xFBFF;
+
+ if(IS_INTRA4x4(mb_type)){
+ if(IS_INTRA4x4(top_type)){
+ AV_COPY32(h->intra4x4_pred_mode_cache+4+8*0, h->intra4x4_pred_mode + h->mb2br_xy[top_xy]);
+ }else{
+ h->intra4x4_pred_mode_cache[4+8*0]=
+ h->intra4x4_pred_mode_cache[5+8*0]=
+ h->intra4x4_pred_mode_cache[6+8*0]=
+ h->intra4x4_pred_mode_cache[7+8*0]= 2 - 3*!(top_type & type_mask);
+ }
+ for(i=0; i<2; i++){
+ if(IS_INTRA4x4(left_type[i])){
+ int8_t *mode= h->intra4x4_pred_mode + h->mb2br_xy[left_xy[i]];
+ h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]= mode[6-left_block[0+2*i]];
+ h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= mode[6-left_block[1+2*i]];
+ }else{
+ h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]=
+ h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= 2 - 3*!(left_type[i] & type_mask);
+ }
+ }
+ }
+ }
+
+
+/*
+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]);
+ h->non_zero_count_cache[1+8*0]= h->non_zero_count[top_xy][1+1*8];
+ h->non_zero_count_cache[2+8*0]= h->non_zero_count[top_xy][2+1*8];
+
+ h->non_zero_count_cache[1+8*3]= h->non_zero_count[top_xy][1+2*8];
+ h->non_zero_count_cache[2+8*3]= h->non_zero_count[top_xy][2+2*8];
+ }else {
+ h->non_zero_count_cache[1+8*0]=
+ h->non_zero_count_cache[2+8*0]=
+
+ h->non_zero_count_cache[1+8*3]=
+ h->non_zero_count_cache[2+8*3]=
+ AV_WN32A(&h->non_zero_count_cache[4+8*0], CABAC && !IS_INTRA(mb_type) ? 0 : 0x40404040);
+ }
+
+ for (i=0; i<2; i++) {
+ if(left_type[i]){
+ h->non_zero_count_cache[3+8*1 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[8+0+2*i]];
+ h->non_zero_count_cache[3+8*2 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[8+1+2*i]];
+ h->non_zero_count_cache[0+8*1 + 8*i]= h->non_zero_count[left_xy[i]][left_block[8+4+2*i]];
+ h->non_zero_count_cache[0+8*4 + 8*i]= h->non_zero_count[left_xy[i]][left_block[8+5+2*i]];
+ }else{
+ h->non_zero_count_cache[3+8*1 + 2*8*i]=
+ h->non_zero_count_cache[3+8*2 + 2*8*i]=
+ h->non_zero_count_cache[0+8*1 + 8*i]=
+ h->non_zero_count_cache[0+8*4 + 8*i]= CABAC && !IS_INTRA(mb_type) ? 0 : 64;
+ }
+ }
+
+ if( CABAC ) {
+ // top_cbp
+ if(top_type) {
+ h->top_cbp = h->cbp_table[top_xy];
+ } else {
+ h->top_cbp = IS_INTRA(mb_type) ? 0x1CF : 0x00F;
+ }
+ // left_cbp
+ if (left_type[0]) {
+ h->left_cbp = (h->cbp_table[left_xy[0]] & 0x1f0)
+ | ((h->cbp_table[left_xy[0]]>>(left_block[0]&(~1)))&2)
+ | (((h->cbp_table[left_xy[1]]>>(left_block[2]&(~1)))&2) << 2);
+ } else {
+ h->left_cbp = IS_INTRA(mb_type) ? 0x1CF : 0x00F;
}
}
+ }
+
+#if 1
+ if(IS_INTER(mb_type) || (IS_DIRECT(mb_type) && h->direct_spatial_mv_pred)){
+ int list;
+ for(list=0; list<h->list_count; list++){
+ if(!USES_LIST(mb_type, list)){
+ /*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?
+ memset(h->ref_cache[list], PART_NOT_AVAILABLE, 8*5*sizeof(int8_t));
+ h->mv_cache_clean[list]= 1;
+ }*/
+ continue;
+ }
+ assert(!(IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred));
+
+ h->mv_cache_clean[list]= 0;
+
+ if(USES_LIST(top_type, list)){
+ const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride;
+ 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]= s->current_picture.ref_index[list][4*top_xy + 2];
+ h->ref_cache[list][scan8[0] + 2 - 1*8]=
+ h->ref_cache[list][scan8[0] + 3 - 1*8]= s->current_picture.ref_index[list][4*top_xy + 3];
+ }else{
+ AV_ZERO128(h->mv_cache[list][scan8[0] + 0 - 1*8]);
+ AV_WN32A(&h->ref_cache[list][scan8[0] + 0 - 1*8], ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE)&0xFF)*0x01010101);
+ }
+
+ if(mb_type & (MB_TYPE_16x8|MB_TYPE_8x8)){
+ 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= 4*left_xy[i] + 1;
+ AV_COPY32(h->mv_cache[list][cache_idx ], s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[0+i*2]]);
+ AV_COPY32(h->mv_cache[list][cache_idx+8], 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 + (left_block[0+i*2]&~1)];
+ h->ref_cache[list][cache_idx+8]= s->current_picture.ref_index[list][b8_xy + (left_block[1+i*2]&~1)];
+ }else{
+ AV_ZERO32(h->mv_cache [list][cache_idx ]);
+ AV_ZERO32(h->mv_cache [list][cache_idx+8]);
+ h->ref_cache[list][cache_idx ]=
+ h->ref_cache[list][cache_idx+8]= (left_type[i]) ? LIST_NOT_USED : PART_NOT_AVAILABLE;
+ }
+ }
+ }else{
+ 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;
+ AV_COPY32(h->mv_cache[list][scan8[0] - 1], s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[0]]);
+ h->ref_cache[list][scan8[0] - 1]= s->current_picture.ref_index[list][b8_xy + (left_block[0]&~1)];
+ }else{
+ AV_ZERO32(h->mv_cache [list][scan8[0] - 1]);
+ h->ref_cache[list][scan8[0] - 1]= left_type[0] ? LIST_NOT_USED : PART_NOT_AVAILABLE;
+ }
+ }
- if((h->left_samples_available&0x8888)!=0x8888){
- static const int mask[4]={0x8000,0x2000,0x80,0x20};
- for(i=0; i<4; i++){
- if(!(h->left_samples_available&mask[i])){
- int status= left[ h->intra4x4_pred_mode_cache[scan8[0] + 8*i] ];
- if(status<0){
- av_log(h->s.avctx, AV_LOG_ERROR, "left block unavailable for requested intra4x4 mode %d at %d %d\n", status, s->mb_x, s->mb_y);
- return -1;
- } else if(status){
- h->intra4x4_pred_mode_cache[scan8[0] + 8*i]= status;
+ if(USES_LIST(topright_type, list)){
+ const int b_xy= h->mb2b_xy[topright_xy] + 3*h->b_stride;
+ AV_COPY32(h->mv_cache[list][scan8[0] + 4 - 1*8], s->current_picture.motion_val[list][b_xy]);
+ h->ref_cache[list][scan8[0] + 4 - 1*8]= s->current_picture.ref_index[list][4*topright_xy + 2];
+ }else{
+ AV_ZERO32(h->mv_cache [list][scan8[0] + 4 - 1*8]);
+ h->ref_cache[list][scan8[0] + 4 - 1*8]= topright_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
+ }
+ if(h->ref_cache[list][scan8[0] + 4 - 1*8] < 0){
+ if(USES_LIST(topleft_type, list)){
+ const int b_xy = h->mb2b_xy [topleft_xy] + 3 + h->b_stride + (h->topleft_partition & 2*h->b_stride);
+ const int b8_xy= 4*topleft_xy + 1 + (h->topleft_partition & 2);
+ AV_COPY32(h->mv_cache[list][scan8[0] - 1 - 1*8], s->current_picture.motion_val[list][b_xy]);
+ h->ref_cache[list][scan8[0] - 1 - 1*8]= s->current_picture.ref_index[list][b8_xy];
+ }else{
+ AV_ZERO32(h->mv_cache[list][scan8[0] - 1 - 1*8]);
+ h->ref_cache[list][scan8[0] - 1 - 1*8]= topleft_type ? LIST_NOT_USED : PART_NOT_AVAILABLE;
+ }
+ }
+
+ if((mb_type&(MB_TYPE_SKIP|MB_TYPE_DIRECT2)) && !FRAME_MBAFF)
+ continue;
+
+ if(!(mb_type&(MB_TYPE_SKIP|MB_TYPE_DIRECT2))) {
+ h->ref_cache[list][scan8[4 ]] =
+ h->ref_cache[list][scan8[12]] = PART_NOT_AVAILABLE;
+ AV_ZERO32(h->mv_cache [list][scan8[4 ]]);
+ AV_ZERO32(h->mv_cache [list][scan8[12]]);
+
+ if( CABAC ) {
+ /* XXX beurk, Load mvd */
+ if(USES_LIST(top_type, list)){
+ const int b_xy= h->mb2br_xy[top_xy];
+ AV_COPY64(h->mvd_cache[list][scan8[0] + 0 - 1*8], h->mvd_table[list][b_xy + 0]);
+ }else{
+ AV_ZERO64(h->mvd_cache[list][scan8[0] + 0 - 1*8]);
+ }
+ if(USES_LIST(left_type[0], list)){
+ const int b_xy= h->mb2br_xy[left_xy[0]] + 6;
+ AV_COPY16(h->mvd_cache[list][scan8[0] - 1 + 0*8], h->mvd_table[list][b_xy - left_block[0]]);
+ AV_COPY16(h->mvd_cache[list][scan8[0] - 1 + 1*8], h->mvd_table[list][b_xy - left_block[1]]);
+ }else{
+ AV_ZERO16(h->mvd_cache [list][scan8[0] - 1 + 0*8]);
+ AV_ZERO16(h->mvd_cache [list][scan8[0] - 1 + 1*8]);
+ }
+ if(USES_LIST(left_type[1], list)){
+ const int b_xy= h->mb2br_xy[left_xy[1]] + 6;
+ AV_COPY16(h->mvd_cache[list][scan8[0] - 1 + 2*8], h->mvd_table[list][b_xy - left_block[2]]);
+ AV_COPY16(h->mvd_cache[list][scan8[0] - 1 + 3*8], h->mvd_table[list][b_xy - left_block[3]]);
+ }else{
+ AV_ZERO16(h->mvd_cache [list][scan8[0] - 1 + 2*8]);
+ AV_ZERO16(h->mvd_cache [list][scan8[0] - 1 + 3*8]);
+ }
+ AV_ZERO16(h->mvd_cache [list][scan8[4 ]]);
+ AV_ZERO16(h->mvd_cache [list][scan8[12]]);
+ if(h->slice_type_nos == FF_B_TYPE){
+ fill_rectangle(&h->direct_cache[scan8[0]], 4, 4, 8, MB_TYPE_16x16>>1, 1);
+
+ if(IS_DIRECT(top_type)){
+ AV_WN32A(&h->direct_cache[scan8[0] - 1*8], 0x01010101u*(MB_TYPE_DIRECT2>>1));
+ }else if(IS_8X8(top_type)){
+ int b8_xy = 4*top_xy;
+ h->direct_cache[scan8[0] + 0 - 1*8]= h->direct_table[b8_xy + 2];
+ h->direct_cache[scan8[0] + 2 - 1*8]= h->direct_table[b8_xy + 3];
+ }else{
+ AV_WN32A(&h->direct_cache[scan8[0] - 1*8], 0x01010101*(MB_TYPE_16x16>>1));
+ }
+
+ if(IS_DIRECT(left_type[0]))
+ h->direct_cache[scan8[0] - 1 + 0*8]= MB_TYPE_DIRECT2>>1;
+ else if(IS_8X8(left_type[0]))
+ h->direct_cache[scan8[0] - 1 + 0*8]= h->direct_table[4*left_xy[0] + 1 + (left_block[0]&~1)];
+ else
+ h->direct_cache[scan8[0] - 1 + 0*8]= MB_TYPE_16x16>>1;
+
+ if(IS_DIRECT(left_type[1]))
+ h->direct_cache[scan8[0] - 1 + 2*8]= MB_TYPE_DIRECT2>>1;
+ else if(IS_8X8(left_type[1]))
+ h->direct_cache[scan8[0] - 1 + 2*8]= h->direct_table[4*left_xy[1] + 1 + (left_block[2]&~1)];
+ else
+ h->direct_cache[scan8[0] - 1 + 2*8]= MB_TYPE_16x16>>1;
+ }
+ }
+ }
+ 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] >>=1;\
+ }
+ 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
}
}
}
}
+#endif
- return 0;
-} //FIXME cleanup like ff_h264_check_intra_pred_mode
+ h->neighbor_transform_size= !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[0]);
+}
/**
- * gets the chroma qp.
+ *
+ * @return non zero if the loop filter can be skiped
*/
-static inline int get_chroma_qp(H264Context *h, int t, int qscale){
- return h->pps.chroma_qp_table[t][qscale];
-}
+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);
-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;
+ //FIXME deblocking could skip the intra and nnz parts.
- /* 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 */
+ /* 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 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))\
- 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);
+ 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;
}
- }
- 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);
+ }else{
+ if(curr_mb_field_flag){
+ top_xy += s->mb_stride & (((s->current_picture.mb_type[top_xy ]>>7)&1)-1);
}
- if(MB_FIELD
- && !IS_INTERLACED(mb_types[h->left_mb_xy[0]])
- && i >= scan8[0]+8){
- // left shift will turn LIST_NOT_USED into PART_NOT_AVAILABLE, but that's OK.
- SET_DIAG_MV(/2, <<1, s->mb_x*4-1, (s->mb_y&~1)*4 - 1 + ((i-scan8[0])>>3)*2);
+ if (left_mb_field_flag != curr_mb_field_flag) {
+ left_xy[1] += s->mb_stride;
}
}
-#undef SET_DIAG_MV
}
- if(topright_ref != PART_NOT_AVAILABLE){
- *C= h->mv_cache[list][ i - 8 + part_width ];
- return topright_ref;
+ 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{
- tprintf(s->avctx, "topright MV not available\n");
+ 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;
- *C= h->mv_cache[list][ i - 8 - 1 ];
- return h->ref_cache[list][ i - 8 - 1 ];
+ 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;
}
/**
- * gets the predicted MV.
- * @param n the block index
- * @param part_width the width of the partition (4, 8,16) -> (1, 2, 4)
- * @param mx the x component of the predicted motion vector
- * @param my the y component of the predicted motion vector
+ * gets the predicted intra4x4 prediction mode.
*/
-static inline void pred_motion(H264Context * const h, int n, int part_width, int list, int ref, int * const mx, int * const my){
+static inline int pred_intra_mode(H264Context *h, int n){
const int index8= scan8[n];
- const int top_ref= h->ref_cache[list][ index8 - 8 ];
- const int left_ref= h->ref_cache[list][ index8 - 1 ];
- const int16_t * const A= h->mv_cache[list][ index8 - 1 ];
- const int16_t * const B= h->mv_cache[list][ index8 - 8 ];
- const int16_t * C;
- int diagonal_ref, match_count;
-
- assert(part_width==1 || part_width==2 || part_width==4);
-
-/* mv_cache
- B . . A T T T T
- U . . L . . , .
- U . . L . . . .
- U . . L . . , .
- . . . L . . . .
-*/
+ const int left= h->intra4x4_pred_mode_cache[index8 - 1];
+ const int top = h->intra4x4_pred_mode_cache[index8 - 8];
+ const int min= FFMIN(left, top);
- diagonal_ref= fetch_diagonal_mv(h, &C, index8, list, part_width);
- match_count= (diagonal_ref==ref) + (top_ref==ref) + (left_ref==ref);
- 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]);
- }else if(match_count==1){
- if(left_ref==ref){
- *mx= A[0];
- *my= A[1];
- }else if(top_ref==ref){
- *mx= B[0];
- *my= B[1];
- }else{
- *mx= C[0];
- *my= C[1];
+ tprintf(h->s.avctx, "mode:%d %d min:%d\n", left ,top, min);
+
+ if(min<0) return DC_PRED;
+ else return min;
+}
+
+static inline void write_back_non_zero_count(H264Context *h){
+ const int mb_xy= h->mb_xy;
+
+ AV_COPY64(&h->non_zero_count[mb_xy][ 0], &h->non_zero_count_cache[0+8*1]);
+ AV_COPY64(&h->non_zero_count[mb_xy][ 8], &h->non_zero_count_cache[0+8*2]);
+ AV_COPY32(&h->non_zero_count[mb_xy][16], &h->non_zero_count_cache[0+8*5]);
+ AV_COPY32(&h->non_zero_count[mb_xy][20], &h->non_zero_count_cache[4+8*3]);
+ AV_COPY64(&h->non_zero_count[mb_xy][24], &h->non_zero_count_cache[0+8*4]);
+}
+
+static inline void write_back_motion(H264Context *h, int mb_type){
+ MpegEncContext * const s = &h->s;
+ const int b_xy = 4*s->mb_x + 4*s->mb_y*h->b_stride; //try mb2b(8)_xy
+ const int b8_xy= 4*h->mb_xy;
+ int list;
+
+ if(!USES_LIST(mb_type, 0))
+ fill_rectangle(&s->current_picture.ref_index[0][b8_xy], 2, 2, 2, (uint8_t)LIST_NOT_USED, 1);
+
+ for(list=0; list<h->list_count; list++){
+ int y, b_stride;
+ int16_t (*mv_dst)[2];
+ int16_t (*mv_src)[2];
+
+ if(!USES_LIST(mb_type, list))
+ continue;
+
+ b_stride = h->b_stride;
+ mv_dst = &s->current_picture.motion_val[list][b_xy];
+ mv_src = &h->mv_cache[list][scan8[0]];
+ for(y=0; y<4; y++){
+ AV_COPY128(mv_dst + y*b_stride, mv_src + 8*y);
}
- }else{
- if(top_ref == PART_NOT_AVAILABLE && diagonal_ref == PART_NOT_AVAILABLE && left_ref != PART_NOT_AVAILABLE){
- *mx= A[0];
- *my= A[1];
- }else{
- *mx= mid_pred(A[0], B[0], C[0]);
- *my= mid_pred(A[1], B[1], C[1]);
+ if( CABAC ) {
+ uint8_t (*mvd_dst)[2] = &h->mvd_table[list][FMO ? 8*h->mb_xy : h->mb2br_xy[h->mb_xy]];
+ uint8_t (*mvd_src)[2] = &h->mvd_cache[list][scan8[0]];
+ if(IS_SKIP(mb_type))
+ AV_ZERO128(mvd_dst);
+ else{
+ AV_COPY64(mvd_dst, mvd_src + 8*3);
+ AV_COPY16(mvd_dst + 3 + 3, mvd_src + 3 + 8*0);
+ AV_COPY16(mvd_dst + 3 + 2, mvd_src + 3 + 8*1);
+ AV_COPY16(mvd_dst + 3 + 1, mvd_src + 3 + 8*2);
+ }
+ }
+
+ {
+ int8_t *ref_index = &s->current_picture.ref_index[list][b8_xy];
+ ref_index[0+0*2]= h->ref_cache[list][scan8[0]];
+ ref_index[1+0*2]= h->ref_cache[list][scan8[4]];
+ ref_index[0+1*2]= h->ref_cache[list][scan8[8]];
+ ref_index[1+1*2]= h->ref_cache[list][scan8[12]];
}
}
- 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);
+ if(h->slice_type_nos == FF_B_TYPE && CABAC){
+ if(IS_8X8(mb_type)){
+ uint8_t *direct_table = &h->direct_table[4*h->mb_xy];
+ direct_table[1] = h->sub_mb_type[1]>>1;
+ direct_table[2] = h->sub_mb_type[2]>>1;
+ direct_table[3] = h->sub_mb_type[3]>>1;
+ }
+ }
+}
+
+static inline int get_dct8x8_allowed(H264Context *h){
+ if(h->sps.direct_8x8_inference_flag)
+ return !(AV_RN64A(h->sub_mb_type) & ((MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_8x8 )*0x0001000100010001ULL));
+ else
+ return !(AV_RN64A(h->sub_mb_type) & ((MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_8x8|MB_TYPE_DIRECT2)*0x0001000100010001ULL));
+}
+
+/**
+ * decodes a P_SKIP or B_SKIP macroblock
+ */
+static void decode_mb_skip(H264Context *h){
+ MpegEncContext * const s = &h->s;
+ const int mb_xy= h->mb_xy;
+ int mb_type=0;
+
+ memset(h->non_zero_count[mb_xy], 0, 32);
+ memset(h->non_zero_count_cache + 8, 0, 8*5); //FIXME ugly, remove pfui
+
+ if(MB_FIELD)
+ mb_type|= MB_TYPE_INTERLACED;
+
+ if( h->slice_type_nos == FF_B_TYPE )
+ {
+ // just for fill_caches. pred_direct_motion will set the real mb_type
+ mb_type|= MB_TYPE_L0L1|MB_TYPE_DIRECT2|MB_TYPE_SKIP;
+ if(h->direct_spatial_mv_pred){
+ fill_decode_neighbors(h, mb_type);
+ fill_decode_caches(h, mb_type); //FIXME check what is needed and what not ...
+ }
+ ff_h264_pred_direct_motion(h, &mb_type);
+ mb_type|= MB_TYPE_SKIP;
+ }
+ else
+ {
+ int mx, my;
+ mb_type|= MB_TYPE_16x16|MB_TYPE_P0L0|MB_TYPE_P1L0|MB_TYPE_SKIP;
+
+ fill_decode_neighbors(h, mb_type);
+ fill_decode_caches(h, mb_type); //FIXME check what is needed and what not ...
+ 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);
+ }
+
+ write_back_motion(h, mb_type);
+ 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;
}
+#include "h264_mvpred.h" //For pred_pskip_motion()
#endif /* AVCODEC_H264_H */
projects / ffmpeg / blobdiff