diff options
| -rw-r--r-- | libavcodec/Makefile | 4 | ||||
| -rw-r--r-- | libavcodec/h264.c | 1439 | ||||
| -rw-r--r-- | libavcodec/h264.h | 596 | ||||
| -rw-r--r-- | libavcodec/h264_cavlc.c | 1053 | ||||
| -rw-r--r-- | libavcodec/h264data.h | 167 |
5 files changed, 1654 insertions, 1605 deletions
diff --git a/libavcodec/Makefile b/libavcodec/Makefile index 1a51912bbb..a14e985f6b 100644 --- a/libavcodec/Makefile +++ b/libavcodec/Makefile @@ -132,7 +132,7 @@ OBJS-$(CONFIG_H263_ENCODER) += mpegvideo_enc.o mpeg4video.o mpeg4vide ratecontrol.o h263.o ituh263enc.o flvenc.o mpeg12data.o \ mpegvideo.o error_resilience.o OBJS-$(CONFIG_H264_DECODER) += h264.o h264idct.o h264pred.o h264_loopfilter.o h264_direct.o cabac.o \ - h264_sei.o h264_ps.o h264_refs.o\ + h264_sei.o h264_ps.o h264_refs.o h264_cavlc.o\ mpegvideo.o error_resilience.o OBJS-$(CONFIG_H264_ENCODER) += h264enc.o h264dspenc.o OBJS-$(CONFIG_H264_VAAPI_HWACCEL) += vaapi_h264.o @@ -283,7 +283,7 @@ OBJS-$(CONFIG_SVQ1_ENCODER) += svq1enc.o svq1.o \ motion_est.o h263.o \ mpegvideo.o error_resilience.o OBJS-$(CONFIG_SVQ3_DECODER) += h264.o svq3.o h264idct.o h264pred.o h264_loopfilter.o h264_direct.o \ - h264_sei.o h264_ps.o h264_refs.o\ + h264_sei.o h264_ps.o h264_refs.o h264_cavlc.o\ cabac.o \ mpegvideo.o error_resilience.o \ svq1dec.o svq1.o h263.o diff --git a/libavcodec/h264.c b/libavcodec/h264.c index f768450b2e..ee2c398865 100644 --- a/libavcodec/h264.c +++ b/libavcodec/h264.c @@ -46,30 +46,6 @@ //#undef NDEBUG #include <assert.h> -static VLC coeff_token_vlc[4]; -static VLC_TYPE coeff_token_vlc_tables[520+332+280+256][2]; -static const int coeff_token_vlc_tables_size[4]={520,332,280,256}; - -static VLC chroma_dc_coeff_token_vlc; -static VLC_TYPE chroma_dc_coeff_token_vlc_table[256][2]; -static const int chroma_dc_coeff_token_vlc_table_size = 256; - -static VLC total_zeros_vlc[15]; -static VLC_TYPE total_zeros_vlc_tables[15][512][2]; -static const int total_zeros_vlc_tables_size = 512; - -static VLC chroma_dc_total_zeros_vlc[3]; -static VLC_TYPE chroma_dc_total_zeros_vlc_tables[3][8][2]; -static const int chroma_dc_total_zeros_vlc_tables_size = 8; - -static VLC run_vlc[6]; -static VLC_TYPE run_vlc_tables[6][8][2]; -static const int run_vlc_tables_size = 8; - -static VLC run7_vlc; -static VLC_TYPE run7_vlc_table[96][2]; -static const int run7_vlc_table_size = 96; - static void svq3_luma_dc_dequant_idct_c(DCTELEM *block, int qp); static void svq3_add_idct_c(uint8_t *dst, DCTELEM *block, int stride, int qp, int dc); @@ -81,455 +57,6 @@ 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 uint8_t left_block_options[4][8]={ - {0,1,2,3,7,10,8,11}, - {2,2,3,3,8,11,8,11}, - {0,0,1,1,7,10,7,10}, - {0,2,0,2,7,10,7,10} -}; - -#define LEVEL_TAB_BITS 8 -static int8_t cavlc_level_tab[7][1<<LEVEL_TAB_BITS][2]; - -static void fill_caches(H264Context *h, int mb_type, int for_deblock){ - MpegEncContext * const s = &h->s; - const int mb_xy= h->mb_xy; - 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; - int topleft_partition= -1; - int i; - - top_xy = mb_xy - (s->mb_stride << FIELD_PICTURE); - - //FIXME deblocking could skip the intra and nnz parts. - if(for_deblock && (h->slice_num == 1 || h->slice_table[mb_xy] == h->slice_table[top_xy]) && !FRAME_MBAFF) - return; - - /* Wow, what a mess, why didn't they simplify the interlacing & intra - * stuff, I can't imagine that these complex rules are worth it. */ - - topleft_xy = top_xy - 1; - topright_xy= top_xy + 1; - left_xy[1] = left_xy[0] = mb_xy-1; - left_block = left_block_options[0]; - if(FRAME_MBAFF){ - const int pair_xy = s->mb_x + (s->mb_y & ~1)*s->mb_stride; - const int top_pair_xy = pair_xy - s->mb_stride; - const int topleft_pair_xy = top_pair_xy - 1; - const int topright_pair_xy = top_pair_xy + 1; - const int topleft_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[topleft_pair_xy]); - const int top_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]); - const int topright_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[topright_pair_xy]); - const int left_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]); - const int curr_mb_field_flag = IS_INTERLACED(mb_type); - const int bottom = (s->mb_y & 1); - tprintf(s->avctx, "fill_caches: curr_mb_field_flag:%d, left_mb_field_flag:%d, topleft_mb_field_flag:%d, top_mb_field_flag:%d, topright_mb_field_flag:%d\n", curr_mb_field_flag, left_mb_field_flag, topleft_mb_field_flag, top_mb_field_flag, topright_mb_field_flag); - - if (curr_mb_field_flag && (bottom || top_mb_field_flag)){ - top_xy -= s->mb_stride; - } - if (curr_mb_field_flag && (bottom || topleft_mb_field_flag)){ - topleft_xy -= s->mb_stride; - } else if(bottom && !curr_mb_field_flag && left_mb_field_flag) { - 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 - topleft_partition = 0; - } - if (curr_mb_field_flag && (bottom || topright_mb_field_flag)){ - topright_xy -= s->mb_stride; - } - if (left_mb_field_flag != curr_mb_field_flag) { - left_xy[1] = left_xy[0] = pair_xy - 1; - if (curr_mb_field_flag) { - left_xy[1] += s->mb_stride; - left_block = left_block_options[3]; - } else { - left_block= left_block_options[2 - bottom]; - } - } - } - - h->top_mb_xy = top_xy; - h->left_mb_xy[0] = left_xy[0]; - h->left_mb_xy[1] = left_xy[1]; - if(for_deblock){ - topleft_type = 0; - topright_type = 0; - top_type = h->slice_table[top_xy ] < 0xFFFF ? s->current_picture.mb_type[top_xy] : 0; - left_type[0] = h->slice_table[left_xy[0] ] < 0xFFFF ? s->current_picture.mb_type[left_xy[0]] : 0; - left_type[1] = h->slice_table[left_xy[1] ] < 0xFFFF ? s->current_picture.mb_type[left_xy[1]] : 0; - - if(MB_MBAFF && !IS_INTRA(mb_type)){ - int list; - for(list=0; list<h->list_count; list++){ - //These values where changed for ease of performing MC, we need to change them back - //FIXME maybe we can make MC and loop filter use the same values or prevent - //the MC code from changing ref_cache and rather use a temporary array. - if(USES_LIST(mb_type,list)){ - int8_t *ref = &s->current_picture.ref_index[list][h->mb2b8_xy[mb_xy]]; - *(uint32_t*)&h->ref_cache[list][scan8[ 0]] = - *(uint32_t*)&h->ref_cache[list][scan8[ 2]] = (pack16to32(ref[0],ref[1])&0x00FF00FF)*0x0101; - ref += h->b8_stride; - *(uint32_t*)&h->ref_cache[list][scan8[ 8]] = - *(uint32_t*)&h->ref_cache[list][scan8[10]] = (pack16to32(ref[0],ref[1])&0x00FF00FF)*0x0101; - } - } - } - }else{ - topleft_type = h->slice_table[topleft_xy ] == h->slice_num ? s->current_picture.mb_type[topleft_xy] : 0; - top_type = h->slice_table[top_xy ] == h->slice_num ? s->current_picture.mb_type[top_xy] : 0; - topright_type= h->slice_table[topright_xy] == h->slice_num ? s->current_picture.mb_type[topright_xy]: 0; - left_type[0] = h->slice_table[left_xy[0] ] == h->slice_num ? s->current_picture.mb_type[left_xy[0]] : 0; - left_type[1] = h->slice_table[left_xy[1] ] == h->slice_num ? s->current_picture.mb_type[left_xy[1]] : 0; - - 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 = h->slice_table[left_xy[0] + s->mb_stride ] == h->slice_num - ? s->current_picture.mb_type[left_xy[0] + s->mb_stride] : 0; - 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)){ - h->intra4x4_pred_mode_cache[4+8*0]= h->intra4x4_pred_mode[top_xy][4]; - h->intra4x4_pred_mode_cache[5+8*0]= h->intra4x4_pred_mode[top_xy][5]; - h->intra4x4_pred_mode_cache[6+8*0]= h->intra4x4_pred_mode[top_xy][6]; - h->intra4x4_pred_mode_cache[7+8*0]= h->intra4x4_pred_mode[top_xy][3]; - }else{ - int pred; - if(!(top_type & type_mask)) - pred= -1; - else{ - pred= 2; - } - 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]= pred; - } - for(i=0; i<2; i++){ - if(IS_INTRA4x4(left_type[i])){ - h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[0+2*i]]; - h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[1+2*i]]; - }else{ - int pred; - if(!(left_type[i] & type_mask)) - pred= -1; - else{ - pred= 2; - } - h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]= - h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= pred; - } - } - } - } - } - - -/* -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){ - h->non_zero_count_cache[4+8*0]= h->non_zero_count[top_xy][4]; - h->non_zero_count_cache[5+8*0]= h->non_zero_count[top_xy][5]; - h->non_zero_count_cache[6+8*0]= h->non_zero_count[top_xy][6]; - h->non_zero_count_cache[7+8*0]= h->non_zero_count[top_xy][3]; - - h->non_zero_count_cache[1+8*0]= h->non_zero_count[top_xy][9]; - h->non_zero_count_cache[2+8*0]= h->non_zero_count[top_xy][8]; - - h->non_zero_count_cache[1+8*3]= h->non_zero_count[top_xy][12]; - h->non_zero_count_cache[2+8*3]= h->non_zero_count[top_xy][11]; - - }else{ - h->non_zero_count_cache[4+8*0]= - h->non_zero_count_cache[5+8*0]= - h->non_zero_count_cache[6+8*0]= - h->non_zero_count_cache[7+8*0]= - - 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]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64; - - } - - 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[0+2*i]]; - h->non_zero_count_cache[3+8*2 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[1+2*i]]; - h->non_zero_count_cache[0+8*1 + 8*i]= h->non_zero_count[left_xy[i]][left_block[4+2*i]]; - h->non_zero_count_cache[0+8*4 + 8*i]= h->non_zero_count[left_xy[i]][left_block[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]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64; - } - } - - if( h->pps.cabac ) { - // top_cbp - if(top_type) { - h->top_cbp = h->cbp_table[top_xy]; - } else if(IS_INTRA(mb_type)) { - h->top_cbp = 0x1C0; - } else { - h->top_cbp = 0; - } - // left_cbp - if (left_type[0]) { - h->left_cbp = h->cbp_table[left_xy[0]] & 0x1f0; - } else if(IS_INTRA(mb_type)) { - h->left_cbp = 0x1C0; - } else { - h->left_cbp = 0; - } - if (left_type[0]) { - h->left_cbp |= ((h->cbp_table[left_xy[0]]>>((left_block[0]&(~1))+1))&0x1) << 1; - } - if (left_type[1]) { - h->left_cbp |= ((h->cbp_table[left_xy[1]]>>((left_block[2]&(~1))+1))&0x1) << 3; - } - } - -#if 1 - if(IS_INTER(mb_type) || IS_DIRECT(mb_type)){ - int list; - for(list=0; list<h->list_count; list++){ - if(!USES_LIST(mb_type, list) && !IS_DIRECT(mb_type) && !h->deblocking_filter){ - /*if(!h->mv_cache_clean[list]){ - memset(h->mv_cache [list], 0, 8*5*2*sizeof(int16_t)); //FIXME clean only input? clean at all? - memset(h->ref_cache[list], PART_NOT_AVAILABLE, 8*5*sizeof(int8_t)); - h->mv_cache_clean[list]= 1; - }*/ - continue; - } - 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; - const int b8_xy= h->mb2b8_xy[top_xy] + h->b8_stride; - *(uint32_t*)h->mv_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 0]; - *(uint32_t*)h->mv_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 1]; - *(uint32_t*)h->mv_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 2]; - *(uint32_t*)h->mv_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 3]; - h->ref_cache[list][scan8[0] + 0 - 1*8]= - h->ref_cache[list][scan8[0] + 1 - 1*8]= 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]= s->current_picture.ref_index[list][b8_xy + 1]; - }else{ - *(uint32_t*)h->mv_cache [list][scan8[0] + 0 - 1*8]= - *(uint32_t*)h->mv_cache [list][scan8[0] + 1 - 1*8]= - *(uint32_t*)h->mv_cache [list][scan8[0] + 2 - 1*8]= - *(uint32_t*)h->mv_cache [list][scan8[0] + 3 - 1*8]= 0; - *(uint32_t*)&h->ref_cache[list][scan8[0] + 0 - 1*8]= ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE)&0xFF)*0x01010101; - } - - for(i=0; i<2; i++){ - int cache_idx = scan8[0] - 1 + i*2*8; - if(USES_LIST(left_type[i], list)){ - const int b_xy= h->mb2b_xy[left_xy[i]] + 3; - const int b8_xy= h->mb2b8_xy[left_xy[i]] + 1; - *(uint32_t*)h->mv_cache[list][cache_idx ]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[0+i*2]]; - *(uint32_t*)h->mv_cache[list][cache_idx+8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[1+i*2]]; - h->ref_cache[list][cache_idx ]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[0+i*2]>>1)]; - h->ref_cache[list][cache_idx+8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[1+i*2]>>1)]; - }else{ - *(uint32_t*)h->mv_cache [list][cache_idx ]= - *(uint32_t*)h->mv_cache [list][cache_idx+8]= 0; - h->ref_cache[list][cache_idx ]= - h->ref_cache[list][cache_idx+8]= left_type[i] ? LIST_NOT_USED : PART_NOT_AVAILABLE; - } - } - - if(for_deblock || ((IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred) && !FRAME_MBAFF)) - continue; - - if(USES_LIST(topleft_type, list)){ - const int b_xy = h->mb2b_xy[topleft_xy] + 3 + h->b_stride + (topleft_partition & 2*h->b_stride); - const int b8_xy= h->mb2b8_xy[topleft_xy] + 1 + (topleft_partition & h->b8_stride); - *(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= *(uint32_t*)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{ - *(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= 0; - h->ref_cache[list][scan8[0] - 1 - 1*8]= topleft_type ? LIST_NOT_USED : PART_NOT_AVAILABLE; - } - - if(USES_LIST(topright_type, list)){ - const int b_xy= h->mb2b_xy[topright_xy] + 3*h->b_stride; - const int b8_xy= h->mb2b8_xy[topright_xy] + h->b8_stride; - *(uint32_t*)h->mv_cache[list][scan8[0] + 4 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy]; - h->ref_cache[list][scan8[0] + 4 - 1*8]= s->current_picture.ref_index[list][b8_xy]; - }else{ - *(uint32_t*)h->mv_cache [list][scan8[0] + 4 - 1*8]= 0; - h->ref_cache[list][scan8[0] + 4 - 1*8]= topright_type ? LIST_NOT_USED : PART_NOT_AVAILABLE; - } - - if((IS_SKIP(mb_type) || IS_DIRECT(mb_type)) && !FRAME_MBAFF) - continue; - - h->ref_cache[list][scan8[5 ]+1] = - h->ref_cache[list][scan8[7 ]+1] = - h->ref_cache[list][scan8[13]+1] = //FIXME remove past 3 (init somewhere else) - h->ref_cache[list][scan8[4 ]] = - h->ref_cache[list][scan8[12]] = PART_NOT_AVAILABLE; - *(uint32_t*)h->mv_cache [list][scan8[5 ]+1]= - *(uint32_t*)h->mv_cache [list][scan8[7 ]+1]= - *(uint32_t*)h->mv_cache [list][scan8[13]+1]= //FIXME remove past 3 (init somewhere else) - *(uint32_t*)h->mv_cache [list][scan8[4 ]]= - *(uint32_t*)h->mv_cache [list][scan8[12]]= 0; - - if( h->pps.cabac ) { - /* XXX beurk, Load mvd */ - if(USES_LIST(top_type, list)){ - const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride; - *(uint32_t*)h->mvd_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 0]; - *(uint32_t*)h->mvd_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 1]; - *(uint32_t*)h->mvd_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 2]; - *(uint32_t*)h->mvd_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 3]; - }else{ - *(uint32_t*)h->mvd_cache [list][scan8[0] + 0 - 1*8]= - *(uint32_t*)h->mvd_cache [list][scan8[0] + 1 - 1*8]= - *(uint32_t*)h->mvd_cache [list][scan8[0] + 2 - 1*8]= - *(uint32_t*)h->mvd_cache [list][scan8[0] + 3 - 1*8]= 0; - } - if(USES_LIST(left_type[0], list)){ - const int b_xy= h->mb2b_xy[left_xy[0]] + 3; - *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 0*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[0]]; - *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[1]]; - }else{ - *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 0*8]= - *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 1*8]= 0; - } - if(USES_LIST(left_type[1], list)){ - const int b_xy= h->mb2b_xy[left_xy[1]] + 3; - *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 2*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[2]]; - *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 3*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[3]]; - }else{ - *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 2*8]= - *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 3*8]= 0; - } - *(uint32_t*)h->mvd_cache [list][scan8[5 ]+1]= - *(uint32_t*)h->mvd_cache [list][scan8[7 ]+1]= - *(uint32_t*)h->mvd_cache [list][scan8[13]+1]= //FIXME remove past 3 (init somewhere else) - *(uint32_t*)h->mvd_cache [list][scan8[4 ]]= - *(uint32_t*)h->mvd_cache [list][scan8[12]]= 0; - - if(h->slice_type_nos == FF_B_TYPE){ - fill_rectangle(&h->direct_cache[scan8[0]], 4, 4, 8, 0, 1); - - if(IS_DIRECT(top_type)){ - *(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0x01010101; - }else if(IS_8X8(top_type)){ - int b8_xy = h->mb2b8_xy[top_xy] + h->b8_stride; - h->direct_cache[scan8[0] + 0 - 1*8]= h->direct_table[b8_xy]; - h->direct_cache[scan8[0] + 2 - 1*8]= h->direct_table[b8_xy + 1]; - }else{ - *(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0; - } - - if(IS_DIRECT(left_type[0])) - h->direct_cache[scan8[0] - 1 + 0*8]= 1; - else if(IS_8X8(left_type[0])) - h->direct_cache[scan8[0] - 1 + 0*8]= h->direct_table[h->mb2b8_xy[left_xy[0]] + 1 + h->b8_stride*(left_block[0]>>1)]; - else - h->direct_cache[scan8[0] - 1 + 0*8]= 0; - - if(IS_DIRECT(left_type[1])) - h->direct_cache[scan8[0] - 1 + 2*8]= 1; - else if(IS_8X8(left_type[1])) - h->direct_cache[scan8[0] - 1 + 2*8]= h->direct_table[h->mb2b8_xy[left_xy[1]] + 1 + h->b8_stride*(left_block[2]>>1)]; - else - h->direct_cache[scan8[0] - 1 + 2*8]= 0; - } - } - - if(FRAME_MBAFF){ -#define MAP_MVS\ - MAP_F2F(scan8[0] - 1 - 1*8, topleft_type)\ - MAP_F2F(scan8[0] + 0 - 1*8, top_type)\ - MAP_F2F(scan8[0] + 1 - 1*8, top_type)\ - MAP_F2F(scan8[0] + 2 - 1*8, top_type)\ - MAP_F2F(scan8[0] + 3 - 1*8, top_type)\ - MAP_F2F(scan8[0] + 4 - 1*8, topright_type)\ - MAP_F2F(scan8[0] - 1 + 0*8, left_type[0])\ - MAP_F2F(scan8[0] - 1 + 1*8, left_type[0])\ - MAP_F2F(scan8[0] - 1 + 2*8, left_type[1])\ - MAP_F2F(scan8[0] - 1 + 3*8, left_type[1]) - if(MB_FIELD){ -#define MAP_F2F(idx, mb_type)\ - if(!IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\ - h->ref_cache[list][idx] <<= 1;\ - h->mv_cache[list][idx][1] /= 2;\ - h->mvd_cache[list][idx][1] /= 2;\ - } - MAP_MVS -#undef MAP_F2F - }else{ -#define MAP_F2F(idx, mb_type)\ - if(IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\ - h->ref_cache[list][idx] >>= 1;\ - h->mv_cache[list][idx][1] <<= 1;\ - h->mvd_cache[list][idx][1] <<= 1;\ - } - MAP_MVS -#undef MAP_F2F - } - } - } - } -#endif - - h->neighbor_transform_size= !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[0]); -} - void ff_h264_write_back_intra_pred_mode(H264Context *h){ const int mb_xy= h->mb_xy; @@ -616,105 +143,6 @@ int ff_h264_check_intra_pred_mode(H264Context *h, int mode){ return mode; } -/** - * gets the predicted intra4x4 prediction mode. - */ -static inline int pred_intra_mode(H264Context *h, int n){ - const int index8= scan8[n]; - 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); - - 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; - - h->non_zero_count[mb_xy][0]= h->non_zero_count_cache[7+8*1]; - h->non_zero_count[mb_xy][1]= h->non_zero_count_cache[7+8*2]; - h->non_zero_count[mb_xy][2]= h->non_zero_count_cache[7+8*3]; - h->non_zero_count[mb_xy][3]= h->non_zero_count_cache[7+8*4]; - h->non_zero_count[mb_xy][4]= h->non_zero_count_cache[4+8*4]; - h->non_zero_count[mb_xy][5]= h->non_zero_count_cache[5+8*4]; - h->non_zero_count[mb_xy][6]= h->non_zero_count_cache[6+8*4]; - - h->non_zero_count[mb_xy][9]= h->non_zero_count_cache[1+8*2]; - h->non_zero_count[mb_xy][8]= h->non_zero_count_cache[2+8*2]; - h->non_zero_count[mb_xy][7]= h->non_zero_count_cache[2+8*1]; - - h->non_zero_count[mb_xy][12]=h->non_zero_count_cache[1+8*5]; - h->non_zero_count[mb_xy][11]=h->non_zero_count_cache[2+8*5]; - h->non_zero_count[mb_xy][10]=h->non_zero_count_cache[2+8*4]; -} - -/** - * gets the predicted number of non-zero coefficients. - * @param n block index - */ -static inline int pred_non_zero_count(H264Context *h, int n){ - const int index8= scan8[n]; - const int left= h->non_zero_count_cache[index8 - 1]; - const int top = h->non_zero_count_cache[index8 - 8]; - int i= left + top; - - if(i<64) i= (i+1)>>1; - - tprintf(h->s.avctx, "pred_nnz L%X T%X n%d s%d P%X\n", left, top, n, scan8[n], i&31); - - return i&31; -} - -static inline 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; - const int b8_xy= 2*s->mb_x + 2*s->mb_y*h->b8_stride; - int list; - - if(!USES_LIST(mb_type, 0)) - fill_rectangle(&s->current_picture.ref_index[0][b8_xy], 2, 2, h->b8_stride, (uint8_t)LIST_NOT_USED, 1); - - for(list=0; list<h->list_count; list++){ - int y; - if(!USES_LIST(mb_type, list)) - continue; - - for(y=0; y<4; y++){ - *(uint64_t*)s->current_picture.motion_val[list][b_xy + 0 + y*h->b_stride]= *(uint64_t*)h->mv_cache[list][scan8[0]+0 + 8*y]; - *(uint64_t*)s->current_picture.motion_val[list][b_xy + 2 + y*h->b_stride]= *(uint64_t*)h->mv_cache[list][scan8[0]+2 + 8*y]; - } - if( h->pps.cabac ) { - if(IS_SKIP(mb_type)) - fill_rectangle(h->mvd_table[list][b_xy], 4, 4, h->b_stride, 0, 4); - else - for(y=0; y<4; y++){ - *(uint64_t*)h->mvd_table[list][b_xy + 0 + y*h->b_stride]= *(uint64_t*)h->mvd_cache[list][scan8[0]+0 + 8*y]; - *(uint64_t*)h->mvd_table[list][b_xy + 2 + y*h->b_stride]= *(uint64_t*)h->mvd_cache[list][scan8[0]+2 + 8*y]; - } - } - - { - int8_t *ref_index = &s->current_picture.ref_index[list][b8_xy]; - ref_index[0+0*h->b8_stride]= h->ref_cache[list][scan8[0]]; - ref_index[1+0*h->b8_stride]= h->ref_cache[list][scan8[4]]; - ref_index[0+1*h->b8_stride]= h->ref_cache[list][scan8[8]]; - ref_index[1+1*h->b8_stride]= h->ref_cache[list][scan8[12]]; - } - } - - if(h->slice_type_nos == FF_B_TYPE && h->pps.cabac){ - if(IS_8X8(mb_type)){ - uint8_t *direct_table = &h->direct_table[b8_xy]; - direct_table[1+0*h->b8_stride] = IS_DIRECT(h->sub_mb_type[1]) ? 1 : 0; - direct_table[0+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[2]) ? 1 : 0; - direct_table[1+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[3]) ? 1 : 0; - } - } -} - const uint8_t *ff_h264_decode_nal(H264Context *h, const uint8_t *src, int *dst_length, int *consumed, int length){ int i, si, di; uint8_t *dst; @@ -1225,101 +653,6 @@ static void hl_motion(H264Context *h, uint8_t *dest_y, uint8_t *dest_cb, uint8_t prefetch_motion(h, 1); } -static av_cold void init_cavlc_level_tab(void){ - int suffix_length, mask; - unsigned int i; - - for(suffix_length=0; suffix_length<7; suffix_length++){ - for(i=0; i<(1<<LEVEL_TAB_BITS); i++){ - int prefix= LEVEL_TAB_BITS - av_log2(2*i); - int level_code= (prefix<<suffix_length) + (i>>(LEVEL_TAB_BITS-prefix-1-suffix_length)) - (1<<suffix_length); - - mask= -(level_code&1); - level_code= (((2+level_code)>>1) ^ mask) - mask; - if(prefix + 1 + suffix_length <= LEVEL_TAB_BITS){ - cavlc_level_tab[suffix_length][i][0]= level_code; - cavlc_level_tab[suffix_length][i][1]= prefix + 1 + suffix_length; - }else if(prefix + 1 <= LEVEL_TAB_BITS){ - cavlc_level_tab[suffix_length][i][0]= prefix+100; - cavlc_level_tab[suffix_length][i][1]= prefix + 1; - }else{ - cavlc_level_tab[suffix_length][i][0]= LEVEL_TAB_BITS+100; - cavlc_level_tab[suffix_length][i][1]= LEVEL_TAB_BITS; - } - } - } -} - -static av_cold void decode_init_vlc(void){ - static int done = 0; - - if (!done) { - int i; - int offset; - done = 1; - - chroma_dc_coeff_token_vlc.table = chroma_dc_coeff_token_vlc_table; - chroma_dc_coeff_token_vlc.table_allocated = chroma_dc_coeff_token_vlc_table_size; - init_vlc(&chroma_dc_coeff_token_vlc, CHROMA_DC_COEFF_TOKEN_VLC_BITS, 4*5, - &chroma_dc_coeff_token_len [0], 1, 1, - &chroma_dc_coeff_token_bits[0], 1, 1, - INIT_VLC_USE_NEW_STATIC); - - offset = 0; - for(i=0; i<4; i++){ - coeff_token_vlc[i].table = coeff_token_vlc_tables+offset; - coeff_token_vlc[i].table_allocated = coeff_token_vlc_tables_size[i]; - init_vlc(&coeff_token_vlc[i], COEFF_TOKEN_VLC_BITS, 4*17, - &coeff_token_len [i][0], 1, 1, - &coeff_token_bits[i][0], 1, 1, - INIT_VLC_USE_NEW_STATIC); - offset += coeff_token_vlc_tables_size[i]; - } - /* - * This is a one time safety check to make sure that - * the packed static coeff_token_vlc table sizes - * were initialized correctly. - */ - assert(offset == FF_ARRAY_ELEMS(coeff_token_vlc_tables)); - - for(i=0; i<3; i++){ - chroma_dc_total_zeros_vlc[i].table = chroma_dc_total_zeros_vlc_tables[i]; - chroma_dc_total_zeros_vlc[i].table_allocated = chroma_dc_total_zeros_vlc_tables_size; - init_vlc(&chroma_dc_total_zeros_vlc[i], - CHROMA_DC_TOTAL_ZEROS_VLC_BITS, 4, - &chroma_dc_total_zeros_len [i][0], 1, 1, - &chroma_dc_total_zeros_bits[i][0], 1, 1, - INIT_VLC_USE_NEW_STATIC); - } - for(i=0; i<15; i++){ - total_zeros_vlc[i].table = total_zeros_vlc_tables[i]; - total_zeros_vlc[i].table_allocated = total_zeros_vlc_tables_size; - init_vlc(&total_zeros_vlc[i], - TOTAL_ZEROS_VLC_BITS, 16, - &total_zeros_len [i][0], 1, 1, - &total_zeros_bits[i][0], 1, 1, - INIT_VLC_USE_NEW_STATIC); - } - - for(i=0; i<6; i++){ - run_vlc[i].table = run_vlc_tables[i]; - run_vlc[i].table_allocated = run_vlc_tables_size; - init_vlc(&run_vlc[i], - RUN_VLC_BITS, 7, - &run_len [i][0], 1, 1, - &run_bits[i][0], 1, 1, - INIT_VLC_USE_NEW_STATIC); - } - run7_vlc.table = run7_vlc_table, - run7_vlc.table_allocated = run7_vlc_table_size; - init_vlc(&run7_vlc, RUN7_VLC_BITS, 16, - &run_len [6][0], 1, 1, - &run_bits[6][0], 1, 1, - INIT_VLC_USE_NEW_STATIC); - - init_cavlc_level_tab(); - } -} static void free_tables(H264Context *h){ int i; @@ -1530,7 +863,7 @@ av_cold int ff_h264_decode_init(AVCodecContext *avctx){ avctx->chroma_sample_location = AVCHROMA_LOC_LEFT; - decode_init_vlc(); + ff_h264_decode_init_vlc(); if(avctx->extradata_size > 0 && avctx->extradata && *(char *)avctx->extradata == 1){ @@ -2840,772 +2173,6 @@ int ff_h264_get_slice_type(H264Context *h) } } -/** - * - */ -static inline int get_level_prefix(GetBitContext *gb){ - unsigned int buf; - int log; - - OPEN_READER(re, gb); - UPDATE_CACHE(re, gb); - buf=GET_CACHE(re, gb); - - log= 32 - av_log2(buf); -#ifdef TRACE - print_bin(buf>>(32-log), log); - av_log(NULL, AV_LOG_DEBUG, "%5d %2d %3d lpr @%5d in %s get_level_prefix\n", buf>>(32-log), log, log-1, get_bits_count(gb), __FILE__); -#endif - - LAST_SKIP_BITS(re, gb, log); - CLOSE_READER(re, gb); - - return log-1; -} - -static inline int get_dct8x8_allowed(H264Context *h){ - if(h->sps.direct_8x8_inference_flag) - return !(*(uint64_t*)h->sub_mb_type & ((MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_8x8 )*0x0001000100010001ULL)); - else - return !(*(uint64_t*)h->sub_mb_type & ((MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_8x8|MB_TYPE_DIRECT2)*0x0001000100010001ULL)); -} - -/** - * decodes a residual block. - * @param n block index - * @param scantable scantable - * @param max_coeff number of coefficients in the block - * @return <0 if an error occurred - */ -static int decode_residual(H264Context *h, GetBitContext *gb, DCTELEM *block, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff){ - MpegEncContext * const s = &h->s; - static const int coeff_token_table_index[17]= {0, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3}; - int level[16]; - int zeros_left, coeff_num, coeff_token, total_coeff, i, j, trailing_ones, run_before; - - //FIXME put trailing_onex into the context - - if(n == CHROMA_DC_BLOCK_INDEX){ - coeff_token= get_vlc2(gb, chroma_dc_coeff_token_vlc.table, CHROMA_DC_COEFF_TOKEN_VLC_BITS, 1); - total_coeff= coeff_token>>2; - }else{ - if(n == LUMA_DC_BLOCK_INDEX){ - total_coeff= pred_non_zero_count(h, 0); - coeff_token= get_vlc2(gb, coeff_token_vlc[ coeff_token_table_index[total_coeff] ].table, COEFF_TOKEN_VLC_BITS, 2); - total_coeff= coeff_token>>2; - }else{ - total_coeff= pred_non_zero_count(h, n); - coeff_token= get_vlc2(gb, coeff_token_vlc[ coeff_token_table_index[total_coeff] ].table, COEFF_TOKEN_VLC_BITS, 2); - total_coeff= coeff_token>>2; - h->non_zero_count_cache[ scan8[n] ]= total_coeff; - } - } - - //FIXME set last_non_zero? - - if(total_coeff==0) - return 0; - if(total_coeff > (unsigned)max_coeff) { - av_log(h->s.avctx, AV_LOG_ERROR, "corrupted macroblock %d %d (total_coeff=%d)\n", s->mb_x, s->mb_y, total_coeff); - return -1; - } - - trailing_ones= coeff_token&3; - tprintf(h->s.avctx, "trailing:%d, total:%d\n", trailing_ones, total_coeff); - assert(total_coeff<=16); - - i = show_bits(gb, 3); - skip_bits(gb, trailing_ones); - level[0] = 1-((i&4)>>1); - level[1] = 1-((i&2) ); - level[2] = 1-((i&1)<<1); - - if(trailing_ones<total_coeff) { - int mask, prefix; - int suffix_length = total_coeff > 10 && trailing_ones < 3; - int bitsi= show_bits(gb, LEVEL_TAB_BITS); - int level_code= cavlc_level_tab[suffix_length][bitsi][0]; - - skip_bits(gb, cavlc_level_tab[suffix_length][bitsi][1]); - if(level_code >= 100){ - prefix= level_code - 100; - if(prefix == LEVEL_TAB_BITS) - prefix += get_level_prefix(gb); - - //first coefficient has suffix_length equal to 0 or 1 - if(prefix<14){ //FIXME try to build a large unified VLC table for all this - if(suffix_length) - level_code= (prefix<<1) + get_bits1(gb); //part - else - level_code= prefix; //part - }else if(prefix==14){ - if(suffix_length) - level_code= (prefix<<1) + get_bits1(gb); //part - else - level_code= prefix + get_bits(gb, 4); //part - }else{ - level_code= 30 + get_bits(gb, prefix-3); //part - if(prefix>=16) - level_code += (1<<(prefix-3))-4096; - } - - if(trailing_ones < 3) level_code += 2; - - suffix_length = 2; - mask= -(level_code&1); - level[trailing_ones]= (((2+level_code)>>1) ^ mask) - mask; - }else{ - if(trailing_ones < 3) level_code += (level_code>>31)|1; - - suffix_length = 1; - if(level_code + 3U > 6U) - suffix_length++; - level[trailing_ones]= level_code; - } - - //remaining coefficients have suffix_length > 0 - for(i=trailing_ones+1;i<total_coeff;i++) { - static const unsigned int suffix_limit[7] = {0,3,6,12,24,48,INT_MAX }; - int bitsi= show_bits(gb, LEVEL_TAB_BITS); - level_code= cavlc_level_tab[suffix_length][bitsi][0]; - - skip_bits(gb, cavlc_level_tab[suffix_length][bitsi][1]); - if(level_code >= 100){ - prefix= level_code - 100; - if(prefix == LEVEL_TAB_BITS){ - prefix += get_level_prefix(gb); - } - if(prefix<15){ - level_code = (prefix<<suffix_length) + get_bits(gb, suffix_length); - }else{ - level_code = (15<<suffix_length) + get_bits(gb, prefix-3); - if(prefix>=16) - level_code += (1<<(prefix-3))-4096; - } - mask= -(level_code&1); - level_code= (((2+level_code)>>1) ^ mask) - mask; - } - level[i]= level_code; - - if(suffix_limit[suffix_length] + level_code > 2U*suffix_limit[suffix_length]) - suffix_length++; - } - } - - if(total_coeff == max_coeff) - zeros_left=0; - else{ - if(n == CHROMA_DC_BLOCK_INDEX) - zeros_left= get_vlc2(gb, chroma_dc_total_zeros_vlc[ total_coeff-1 ].table, CHROMA_DC_TOTAL_ZEROS_VLC_BITS, 1); - else - zeros_left= get_vlc2(gb, total_zeros_vlc[ total_coeff-1 ].table, TOTAL_ZEROS_VLC_BITS, 1); - } - - coeff_num = zeros_left + total_coeff - 1; - j = scantable[coeff_num]; - if(n > 24){ - block[j] = level[0]; - for(i=1;i<total_coeff;i++) { - if(zeros_left <= 0) - run_before = 0; - else if(zeros_left < 7){ - run_before= get_vlc2(gb, run_vlc[zeros_left-1].table, RUN_VLC_BITS, 1); - }else{ - run_before= get_vlc2(gb, run7_vlc.table, RUN7_VLC_BITS, 2); - } - zeros_left -= run_before; - coeff_num -= 1 + run_before; - j= scantable[ coeff_num ]; - - block[j]= level[i]; - } - }else{ - block[j] = (level[0] * qmul[j] + 32)>>6; - for(i=1;i<total_coeff;i++) { - if(zeros_left <= 0) - run_before = 0; - else if(zeros_left < 7){ - run_before= get_vlc2(gb, run_vlc[zeros_left-1].table, RUN_VLC_BITS, 1); - }else{ - run_before= get_vlc2(gb, run7_vlc.table, RUN7_VLC_BITS, 2); - } - zeros_left -= run_before; - coeff_num -= 1 + run_before; - j= scantable[ coeff_num ]; - - block[j]= (level[i] * qmul[j] + 32)>>6; - } - } - - if(zeros_left<0){ - av_log(h->s.avctx, AV_LOG_ERROR, "negative number of zero coeffs at %d %d\n", s->mb_x, s->mb_y); - return -1; - } - - return 0; -} - -static void predict_field_decoding_flag(H264Context *h){ - MpegEncContext * const s = &h->s; - const int mb_xy= h->mb_xy; - int mb_type = (h->slice_table[mb_xy-1] == h->slice_num) - ? s->current_picture.mb_type[mb_xy-1] - : (h->slice_table[mb_xy-s->mb_stride] == h->slice_num) - ? s->current_picture.mb_type[mb_xy-s->mb_stride] - : 0; - h->mb_mbaff = h->mb_field_decoding_flag = IS_INTERLACED(mb_type) ? 1 : 0; -} - -/** - * decodes a P_SKIP or B_SKIP macroblock - */ -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, 16); - 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_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2|MB_TYPE_SKIP; - - fill_caches(h, mb_type, 0); //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_caches(h, mb_type, 0); //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; -} - -/** - * decodes a macroblock - * @returns 0 if OK, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed - */ -static int decode_mb_cavlc(H264Context *h){ - MpegEncContext * const s = &h->s; - int mb_xy; - int partition_count; - unsigned int mb_type, cbp; - int dct8x8_allowed= h->pps.transform_8x8_mode; - - mb_xy = h->mb_xy = s->mb_x + s->mb_y*s->mb_stride; - - tprintf(s->avctx, "pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y); - cbp = 0; /* avoid warning. FIXME: find a solution without slowing - down the code */ - if(h->slice_type_nos != FF_I_TYPE){ - if(s->mb_skip_run==-1) - s->mb_skip_run= get_ue_golomb(&s->gb); - - if (s->mb_skip_run--) { - if(FRAME_MBAFF && (s->mb_y&1) == 0){ - if(s->mb_skip_run==0) - h->mb_mbaff = h->mb_field_decoding_flag = get_bits1(&s->gb); - else - predict_field_decoding_flag(h); - } - decode_mb_skip(h); - return 0; - } - } - if(FRAME_MBAFF){ - if( (s->mb_y&1) == 0 ) - h->mb_mbaff = h->mb_field_decoding_flag = get_bits1(&s->gb); - } - - h->prev_mb_skipped= 0; - - mb_type= get_ue_golomb(&s->gb); - if(h->slice_type_nos == FF_B_TYPE){ - if(mb_type < 23){ - partition_count= b_mb_type_info[mb_type].partition_count; - mb_type= b_mb_type_info[mb_type].type; - }else{ - mb_type -= 23; - goto decode_intra_mb; - } - }else if(h->slice_type_nos == FF_P_TYPE){ - if(mb_type < 5){ - partition_count= p_mb_type_info[mb_type].partition_count; - mb_type= p_mb_type_info[mb_type].type; - }else{ - mb_type -= 5; - goto decode_intra_mb; - } - }else{ - assert(h->slice_type_nos == FF_I_TYPE); - if(h->slice_type == FF_SI_TYPE && mb_type) - mb_type--; -decode_intra_mb: - if(mb_type > 25){ - av_log(h->s.avctx, AV_LOG_ERROR, "mb_type %d in %c slice too large at %d %d\n", mb_type, av_get_pict_type_char(h->slice_type), s->mb_x, s->mb_y); - return -1; - } - partition_count=0; - cbp= i_mb_type_info[mb_type].cbp; - h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode; - mb_type= i_mb_type_info[mb_type].type; - } - - if(MB_FIELD) - mb_type |= MB_TYPE_INTERLACED; - - h->slice_table[ mb_xy ]= h->slice_num; - - if(IS_INTRA_PCM(mb_type)){ - unsigned int x; - - // We assume these blocks are very rare so we do not optimize it. - align_get_bits(&s->gb); - - // The pixels are stored in the same order as levels in h->mb array. - for(x=0; x < (CHROMA ? 384 : 256); x++){ - ((uint8_t*)h->mb)[x]= get_bits(&s->gb, 8); - } - - // In deblocking, the quantizer is 0 - s->current_picture.qscale_table[mb_xy]= 0; - // All coeffs are present - memset(h->non_zero_count[mb_xy], 16, 16); - - s->current_picture.mb_type[mb_xy]= mb_type; - return 0; - } - - if(MB_MBAFF){ - h->ref_count[0] <<= 1; - h->ref_count[1] <<= 1; - } - - fill_caches(h, mb_type, 0); - - //mb_pred - if(IS_INTRA(mb_type)){ - int pred_mode; -// init_top_left_availability(h); - if(IS_INTRA4x4(mb_type)){ - int i; - int di = 1; - if(dct8x8_allowed && get_bits1(&s->gb)){ - mb_type |= MB_TYPE_8x8DCT; - di = 4; - } - -// fill_intra4x4_pred_table(h); - for(i=0; i<16; i+=di){ - int mode= pred_intra_mode(h, i); - - if(!get_bits1(&s->gb)){ - const int rem_mode= get_bits(&s->gb, 3); - mode = rem_mode + (rem_mode >= mode); - } - - if(di==4) - fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 ); - else - h->intra4x4_pred_mode_cache[ scan8[i] ] = mode; - } - ff_h264_write_back_intra_pred_mode(h); - if( ff_h264_check_intra4x4_pred_mode(h) < 0) - return -1; - }else{ - h->intra16x16_pred_mode= ff_h264_check_intra_pred_mode(h, h->intra16x16_pred_mode); - if(h->intra16x16_pred_mode < 0) - return -1; - } - if(CHROMA){ - pred_mode= ff_h264_check_intra_pred_mode(h, get_ue_golomb_31(&s->gb)); - if(pred_mode < 0) - return -1; - h->chroma_pred_mode= pred_mode; - } - }else if(partition_count==4){ - int i, j, sub_partition_count[4], list, ref[2][4]; - - if(h->slice_type_nos == FF_B_TYPE){ - for(i=0; i<4; i++){ - h->sub_mb_type[i]= get_ue_golomb_31(&s->gb); - if(h->sub_mb_type[i] >=13){ - av_log(h->s.avctx, AV_LOG_ERROR, "B sub_mb_type %u out of range at %d %d\n", h->sub_mb_type[i], s->mb_x, s->mb_y); - return -1; - } - sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count; - h->sub_mb_type[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].type; - } - if( IS_DIRECT(h->sub_mb_type[0]) || IS_DIRECT(h->sub_mb_type[1]) - || IS_DIRECT(h->sub_mb_type[2]) || IS_DIRECT(h->sub_mb_type[3])) { - ff_h264_pred_direct_motion(h, &mb_type); - h->ref_cache[0][scan8[4]] = - h->ref_cache[1][scan8[4]] = - h->ref_cache[0][scan8[12]] = - h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE; - } - }else{ - assert(h->slice_type_nos == FF_P_TYPE); //FIXME SP correct ? - for(i=0; i<4; i++){ - h->sub_mb_type[i]= get_ue_golomb_31(&s->gb); - if(h->sub_mb_type[i] >=4){ - av_log(h->s.avctx, AV_LOG_ERROR, "P sub_mb_type %u out of range at %d %d\n", h->sub_mb_type[i], s->mb_x, s->mb_y); - return -1; - } - sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count; - h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type; - } - } - - for(list=0; list<h->list_count; list++){ - int ref_count= IS_REF0(mb_type) ? 1 : h->ref_count[list]; - for(i=0; i<4; i++){ - if(IS_DIRECT(h->sub_mb_type[i])) continue; - if(IS_DIR(h->sub_mb_type[i], 0, list)){ - unsigned int tmp; - if(ref_count == 1){ - tmp= 0; - }else if(ref_count == 2){ - tmp= get_bits1(&s->gb)^1; - }else{ - tmp= get_ue_golomb_31(&s->gb); - if(tmp>=ref_count){ - av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\n", tmp); - return -1; - } - } - ref[list][i]= tmp; - }else{ - //FIXME - ref[list][i] = -1; - } - } - } - - if(dct8x8_allowed) - dct8x8_allowed = get_dct8x8_allowed(h); - - for(list=0; list<h->list_count; list++){ - for(i=0; i<4; i++){ - if(IS_DIRECT(h->sub_mb_type[i])) { - h->ref_cache[list][ scan8[4*i] ] = h->ref_cache[list][ scan8[4*i]+1 ]; - continue; - } - h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ]= - h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i]; - - if(IS_DIR(h->sub_mb_type[i], 0, list)){ - const int sub_mb_type= h->sub_mb_type[i]; - const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1; - for(j=0; j<sub_partition_count[i]; j++){ - int mx, my; - const int index= 4*i + block_width*j; - int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ]; - pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mx, &my); - mx += get_se_golomb(&s->gb); - my += get_se_golomb(&s->gb); - tprintf(s->avctx, "final mv:%d %d\n", mx, my); - - if(IS_SUB_8X8(sub_mb_type)){ - mv_cache[ 1 ][0]= - mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx; - mv_cache[ 1 ][1]= - mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my; - }else if(IS_SUB_8X4(sub_mb_type)){ - mv_cache[ 1 ][0]= mx; - mv_cache[ 1 ][1]= my; - }else if(IS_SUB_4X8(sub_mb_type)){ - mv_cache[ 8 ][0]= mx; - mv_cache[ 8 ][1]= my; - } - mv_cache[ 0 ][0]= mx; - mv_cache[ 0 ][1]= my; - } - }else{ - uint32_t *p= (uint32_t *)&h->mv_cache[list][ scan8[4*i] ][0]; - p[0] = p[1]= - p[8] = p[9]= 0; - } - } - } - }else if(IS_DIRECT(mb_type)){ - ff_h264_pred_direct_motion(h, &mb_type); - dct8x8_allowed &= h->sps.direct_8x8_inference_flag; - }else{ - int list, mx, my, i; - //FIXME we should set ref_idx_l? to 0 if we use that later ... - if(IS_16X16(mb_type)){ - for(list=0; list<h->list_count; list++){ - unsigned int val; - if(IS_DIR(mb_type, 0, list)){ - if(h->ref_count[list]==1){ - val= 0; - }else if(h->ref_count[list]==2){ - val= get_bits1(&s->gb)^1; - }else{ - val= get_ue_golomb_31(&s->gb); - if(val >= h->ref_count[list]){ - av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\n", val); - return -1; - } - } - }else - val= LIST_NOT_USED&0xFF; - fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, val, 1); - } - for(list=0; list<h->list_count; list++){ - unsigned int val; - if(IS_DIR(mb_type, 0, list)){ - pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mx, &my); - mx += get_se_golomb(&s->gb); - my += get_se_golomb(&s->gb); - tprintf(s->avctx, "final mv:%d %d\n", mx, my); - - val= pack16to32(mx,my); - }else - val=0; - fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, val, 4); - } - } - else if(IS_16X8(mb_type)){ - for(list=0; list<h->list_count; list++){ - for(i=0; i<2; i++){ - unsigned int val; - if(IS_DIR(mb_type, i, list)){ - if(h->ref_count[list] == 1){ - val= 0; - }else if(h->ref_count[list] == 2){ - val= get_bits1(&s->gb)^1; - }else{ - val= get_ue_golomb_31(&s->gb); - if(val >= h->ref_count[list]){ - av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\n", val); - return -1; - } - } - }else - val= LIST_NOT_USED&0xFF; - fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, val, 1); - } - } - for(list=0; list<h->list_count; list++){ - for(i=0; i<2; i++){ - unsigned int val; - if(IS_DIR(mb_type, i, list)){ - pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mx, &my); - mx += get_se_golomb(&s->gb); - my += get_se_golomb(&s->gb); - tprintf(s->avctx, "final mv:%d %d\n", mx, my); - - val= pack16to32(mx,my); - }else - val=0; - fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, val, 4); - } - } - }else{ - assert(IS_8X16(mb_type)); - for(list=0; list<h->list_count; list++){ - for(i=0; i<2; i++){ - unsigned int val; - if(IS_DIR(mb_type, i, list)){ //FIXME optimize - if(h->ref_count[list]==1){ - val= 0; - }else if(h->ref_count[list]==2){ - val= get_bits1(&s->gb)^1; - }else{ - val= get_ue_golomb_31(&s->gb); - if(val >= h->ref_count[list]){ - av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\n", val); - return -1; - } - } - }else - val= LIST_NOT_USED&0xFF; - fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, val, 1); - } - } - for(list=0; list<h->list_count; list++){ - for(i=0; i<2; i++){ - unsigned int val; - if(IS_DIR(mb_type, i, list)){ - pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mx, &my); - mx += get_se_golomb(&s->gb); - my += get_se_golomb(&s->gb); - tprintf(s->avctx, "final mv:%d %d\n", mx, my); - - val= pack16to32(mx,my); - }else - val=0; - fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, val, 4); - } - } - } - } - - if(IS_INTER(mb_type)) - write_back_motion(h, mb_type); - - if(!IS_INTRA16x16(mb_type)){ - cbp= get_ue_golomb(&s->gb); - if(cbp > 47){ - av_log(h->s.avctx, AV_LOG_ERROR, "cbp too large (%u) at %d %d\n", cbp, s->mb_x, s->mb_y); - return -1; - } - - if(CHROMA){ - if(IS_INTRA4x4(mb_type)) cbp= golomb_to_intra4x4_cbp[cbp]; - else cbp= golomb_to_inter_cbp [cbp]; - }else{ - if(IS_INTRA4x4(mb_type)) cbp= golomb_to_intra4x4_cbp_gray[cbp]; - else cbp= golomb_to_inter_cbp_gray[cbp]; - } - } - h->cbp = cbp; - - if(dct8x8_allowed && (cbp&15) && !IS_INTRA(mb_type)){ - if(get_bits1(&s->gb)){ - mb_type |= MB_TYPE_8x8DCT; - h->cbp_table[mb_xy]= cbp; - } - } - s->current_picture.mb_type[mb_xy]= mb_type; - - if(cbp || IS_INTRA16x16(mb_type)){ - int i8x8, i4x4, chroma_idx; - int dquant; - GetBitContext *gb= IS_INTRA(mb_type) ? h->intra_gb_ptr : h->inter_gb_ptr; - const uint8_t *scan, *scan8x8, *dc_scan; - -// fill_non_zero_count_cache(h); - - if(IS_INTERLACED(mb_type)){ - scan8x8= s->qscale ? h->field_scan8x8_cavlc : h->field_scan8x8_cavlc_q0; - scan= s->qscale ? h->field_scan : h->field_scan_q0; - dc_scan= luma_dc_field_scan; - }else{ - scan8x8= s->qscale ? h->zigzag_scan8x8_cavlc : h->zigzag_scan8x8_cavlc_q0; - scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0; - dc_scan= luma_dc_zigzag_scan; - } - - dquant= get_se_golomb(&s->gb); - - if( dquant > 25 || dquant < -26 ){ - av_log(h->s.avctx, AV_LOG_ERROR, "dquant out of range (%d) at %d %d\n", dquant, s->mb_x, s->mb_y); - return -1; - } - - s->qscale += dquant; - if(((unsigned)s->qscale) > 51){ - if(s->qscale<0) s->qscale+= 52; - else s->qscale-= 52; - } - - h->chroma_qp[0]= get_chroma_qp(h, 0, s->qscale); - h->chroma_qp[1]= get_chroma_qp(h, 1, s->qscale); - if(IS_INTRA16x16(mb_type)){ - if( decode_residual(h, h->intra_gb_ptr, h->mb, LUMA_DC_BLOCK_INDEX, dc_scan, h->dequant4_coeff[0][s->qscale], 16) < 0){ - return -1; //FIXME continue if partitioned and other return -1 too - } - - assert((cbp&15) == 0 || (cbp&15) == 15); - - if(cbp&15){ - for(i8x8=0; i8x8<4; i8x8++){ - for(i4x4=0; i4x4<4; i4x4++){ - const int index= i4x4 + 4*i8x8; - if( decode_residual(h, h->intra_gb_ptr, h->mb + 16*index, index, scan + 1, h->dequant4_coeff[0][s->qscale], 15) < 0 ){ - return -1; - } - } - } - }else{ - fill_rectangle(&h->non_zero_count_cache[scan8[0]], 4, 4, 8, 0, 1); - } - }else{ - for(i8x8=0; i8x8<4; i8x8++){ - if(cbp & (1<<i8x8)){ - if(IS_8x8DCT(mb_type)){ - DCTELEM *buf = &h->mb[64*i8x8]; - uint8_t *nnz; - for(i4x4=0; i4x4<4; i4x4++){ - if( decode_residual(h, gb, buf, i4x4+4*i8x8, scan8x8+16*i4x4, - h->dequant8_coeff[IS_INTRA( mb_type ) ? 0:1][s->qscale], 16) <0 ) - return -1; - } - nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ]; - nnz[0] += nnz[1] + nnz[8] + nnz[9]; - }else{ - for(i4x4=0; i4x4<4; i4x4++){ - const int index= i4x4 + 4*i8x8; - - if( decode_residual(h, gb, h->mb + 16*index, index, scan, h->dequant4_coeff[IS_INTRA( mb_type ) ? 0:3][s->qscale], 16) <0 ){ - return -1; - } - } - } - }else{ - uint8_t * const nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ]; - nnz[0] = nnz[1] = nnz[8] = nnz[9] = 0; - } - } - } - - if(cbp&0x30){ - for(chroma_idx=0; chroma_idx<2; chroma_idx++) - if( decode_residual(h, gb, h->mb + 256 + 16*4*chroma_idx, CHROMA_DC_BLOCK_INDEX, chroma_dc_scan, NULL, 4) < 0){ - return -1; - } - } - - if(cbp&0x20){ - for(chroma_idx=0; chroma_idx<2; chroma_idx++){ - const uint32_t *qmul = h->dequant4_coeff[chroma_idx+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[chroma_idx]]; - for(i4x4=0; i4x4<4; i4x4++){ - const int index= 16 + 4*chroma_idx + i4x4; - if( decode_residual(h, gb, h->mb + 16*index, index, scan + 1, qmul, 15) < 0){ - return -1; - } - } - } - }else{ - uint8_t * const nnz= &h->non_zero_count_cache[0]; - nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] = - nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0; - } - }else{ - uint8_t * const nnz= &h->non_zero_count_cache[0]; - fill_rectangle(&nnz[scan8[0]], 4, 4, 8, 0, 1); - nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] = - nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0; - } - s->current_picture.qscale_table[mb_xy]= s->qscale; - write_back_non_zero_count(h); - - if(MB_MBAFF){ - h->ref_count[0] >>= 1; - h->ref_count[1] >>= 1; - } - - return 0; -} static int decode_cabac_field_decoding_flag(H264Context *h) { MpegEncContext * const s = &h->s; @@ -4766,13 +3333,13 @@ static int decode_slice(struct AVCodecContext *avctx, void *arg){ } else { for(;;){ - int ret = decode_mb_cavlc(h); + int ret = ff_h264_decode_mb_cavlc(h); if(ret>=0) ff_h264_hl_decode_mb(h); if(ret>=0 && FRAME_MBAFF){ //FIXME optimal? or let mb_decode decode 16x32 ? s->mb_y++; - ret = decode_mb_cavlc(h); + ret = ff_h264_decode_mb_cavlc(h); if(ret>=0) ff_h264_hl_decode_mb(h); s->mb_y--; diff --git a/libavcodec/h264.h b/libavcodec/h264.h index 1c4c956056..703cf8f534 100644 --- a/libavcodec/h264.h +++ b/libavcodec/h264.h @@ -32,6 +32,7 @@ #include "cabac.h" #include "mpegvideo.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 @@ -642,6 +643,13 @@ void ff_h264_hl_decode_mb(H264Context *h); 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 + * @returns 0 if OK, AC_ERROR / DC_ERROR / MV_ERROR if an error is noticed + */ +int ff_h264_decode_mb_cavlc(H264Context *h); void ff_h264_direct_dist_scale_factor(H264Context * const h); void ff_h264_direct_ref_list_init(H264Context * const h); @@ -694,4 +702,592 @@ 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_caches(H264Context *h, int mb_type, int for_deblock){ + MpegEncContext * const s = &h->s; + const int mb_xy= h->mb_xy; + 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; + int topleft_partition= -1; + int i; + static const uint8_t left_block_options[4][8]={ + {0,1,2,3,7,10,8,11}, + {2,2,3,3,8,11,8,11}, + {0,0,1,1,7,10,7,10}, + {0,2,0,2,7,10,7,10} + }; + + top_xy = mb_xy - (s->mb_stride << FIELD_PICTURE); + + //FIXME deblocking could skip the intra and nnz parts. + if(for_deblock && (h->slice_num == 1 || h->slice_table[mb_xy] == h->slice_table[top_xy]) && !FRAME_MBAFF) + return; + + /* Wow, what a mess, why didn't they simplify the interlacing & intra + * stuff, I can't imagine that these complex rules are worth it. */ + + topleft_xy = top_xy - 1; + topright_xy= top_xy + 1; + left_xy[1] = left_xy[0] = mb_xy-1; + left_block = left_block_options[0]; + if(FRAME_MBAFF){ + const int pair_xy = s->mb_x + (s->mb_y & ~1)*s->mb_stride; + const int top_pair_xy = pair_xy - s->mb_stride; + const int topleft_pair_xy = top_pair_xy - 1; + const int topright_pair_xy = top_pair_xy + 1; + const int topleft_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[topleft_pair_xy]); + const int top_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[top_pair_xy]); + const int topright_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[topright_pair_xy]); + const int left_mb_field_flag = IS_INTERLACED(s->current_picture.mb_type[pair_xy-1]); + const int curr_mb_field_flag = IS_INTERLACED(mb_type); + const int bottom = (s->mb_y & 1); + tprintf(s->avctx, "fill_caches: curr_mb_field_flag:%d, left_mb_field_flag:%d, topleft_mb_field_flag:%d, top_mb_field_flag:%d, topright_mb_field_flag:%d\n", curr_mb_field_flag, left_mb_field_flag, topleft_mb_field_flag, top_mb_field_flag, topright_mb_field_flag); + + if (curr_mb_field_flag && (bottom || top_mb_field_flag)){ + top_xy -= s->mb_stride; + } + if (curr_mb_field_flag && (bottom || topleft_mb_field_flag)){ + topleft_xy -= s->mb_stride; + } else if(bottom && !curr_mb_field_flag && left_mb_field_flag) { + 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 + topleft_partition = 0; + } + if (curr_mb_field_flag && (bottom || topright_mb_field_flag)){ + topright_xy -= s->mb_stride; + } + if (left_mb_field_flag != curr_mb_field_flag) { + left_xy[1] = left_xy[0] = pair_xy - 1; + if (curr_mb_field_flag) { + left_xy[1] += s->mb_stride; + left_block = left_block_options[3]; + } else { + left_block= left_block_options[2 - bottom]; + } + } + } + + h->top_mb_xy = top_xy; + h->left_mb_xy[0] = left_xy[0]; + h->left_mb_xy[1] = left_xy[1]; + if(for_deblock){ + topleft_type = 0; + topright_type = 0; + top_type = h->slice_table[top_xy ] < 0xFFFF ? s->current_picture.mb_type[top_xy] : 0; + left_type[0] = h->slice_table[left_xy[0] ] < 0xFFFF ? s->current_picture.mb_type[left_xy[0]] : 0; + left_type[1] = h->slice_table[left_xy[1] ] < 0xFFFF ? s->current_picture.mb_type[left_xy[1]] : 0; + + if(MB_MBAFF && !IS_INTRA(mb_type)){ + int list; + for(list=0; list<h->list_count; list++){ + //These values where changed for ease of performing MC, we need to change them back + //FIXME maybe we can make MC and loop filter use the same values or prevent + //the MC code from changing ref_cache and rather use a temporary array. + if(USES_LIST(mb_type,list)){ + int8_t *ref = &s->current_picture.ref_index[list][h->mb2b8_xy[mb_xy]]; + *(uint32_t*)&h->ref_cache[list][scan8[ 0]] = + *(uint32_t*)&h->ref_cache[list][scan8[ 2]] = (pack16to32(ref[0],ref[1])&0x00FF00FF)*0x0101; + ref += h->b8_stride; + *(uint32_t*)&h->ref_cache[list][scan8[ 8]] = + *(uint32_t*)&h->ref_cache[list][scan8[10]] = (pack16to32(ref[0],ref[1])&0x00FF00FF)*0x0101; + } + } + } + }else{ + topleft_type = h->slice_table[topleft_xy ] == h->slice_num ? s->current_picture.mb_type[topleft_xy] : 0; + top_type = h->slice_table[top_xy ] == h->slice_num ? s->current_picture.mb_type[top_xy] : 0; + topright_type= h->slice_table[topright_xy] == h->slice_num ? s->current_picture.mb_type[topright_xy]: 0; + left_type[0] = h->slice_table[left_xy[0] ] == h->slice_num ? s->current_picture.mb_type[left_xy[0]] : 0; + left_type[1] = h->slice_table[left_xy[1] ] == h->slice_num ? s->current_picture.mb_type[left_xy[1]] : 0; + + 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 = h->slice_table[left_xy[0] + s->mb_stride ] == h->slice_num + ? s->current_picture.mb_type[left_xy[0] + s->mb_stride] : 0; + 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)){ + h->intra4x4_pred_mode_cache[4+8*0]= h->intra4x4_pred_mode[top_xy][4]; + h->intra4x4_pred_mode_cache[5+8*0]= h->intra4x4_pred_mode[top_xy][5]; + h->intra4x4_pred_mode_cache[6+8*0]= h->intra4x4_pred_mode[top_xy][6]; + h->intra4x4_pred_mode_cache[7+8*0]= h->intra4x4_pred_mode[top_xy][3]; + }else{ + int pred; + if(!(top_type & type_mask)) + pred= -1; + else{ + pred= 2; + } + 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]= pred; + } + for(i=0; i<2; i++){ + if(IS_INTRA4x4(left_type[i])){ + h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[0+2*i]]; + h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= h->intra4x4_pred_mode[left_xy[i]][left_block[1+2*i]]; + }else{ + int pred; + if(!(left_type[i] & type_mask)) + pred= -1; + else{ + pred= 2; + } + h->intra4x4_pred_mode_cache[3+8*1 + 2*8*i]= + h->intra4x4_pred_mode_cache[3+8*2 + 2*8*i]= pred; + } + } + } + } + } + + +/* +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){ + h->non_zero_count_cache[4+8*0]= h->non_zero_count[top_xy][4]; + h->non_zero_count_cache[5+8*0]= h->non_zero_count[top_xy][5]; + h->non_zero_count_cache[6+8*0]= h->non_zero_count[top_xy][6]; + h->non_zero_count_cache[7+8*0]= h->non_zero_count[top_xy][3]; + + h->non_zero_count_cache[1+8*0]= h->non_zero_count[top_xy][9]; + h->non_zero_count_cache[2+8*0]= h->non_zero_count[top_xy][8]; + + h->non_zero_count_cache[1+8*3]= h->non_zero_count[top_xy][12]; + h->non_zero_count_cache[2+8*3]= h->non_zero_count[top_xy][11]; + + }else{ + h->non_zero_count_cache[4+8*0]= + h->non_zero_count_cache[5+8*0]= + h->non_zero_count_cache[6+8*0]= + h->non_zero_count_cache[7+8*0]= + + 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]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64; + + } + + 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[0+2*i]]; + h->non_zero_count_cache[3+8*2 + 2*8*i]= h->non_zero_count[left_xy[i]][left_block[1+2*i]]; + h->non_zero_count_cache[0+8*1 + 8*i]= h->non_zero_count[left_xy[i]][left_block[4+2*i]]; + h->non_zero_count_cache[0+8*4 + 8*i]= h->non_zero_count[left_xy[i]][left_block[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]= h->pps.cabac && !IS_INTRA(mb_type) ? 0 : 64; + } + } + + if( h->pps.cabac ) { + // top_cbp + if(top_type) { + h->top_cbp = h->cbp_table[top_xy]; + } else if(IS_INTRA(mb_type)) { + h->top_cbp = 0x1C0; + } else { + h->top_cbp = 0; + } + // left_cbp + if (left_type[0]) { + h->left_cbp = h->cbp_table[left_xy[0]] & 0x1f0; + } else if(IS_INTRA(mb_type)) { + h->left_cbp = 0x1C0; + } else { + h->left_cbp = 0; + } + if (left_type[0]) { + h->left_cbp |= ((h->cbp_table[left_xy[0]]>>((left_block[0]&(~1))+1))&0x1) << 1; + } + if (left_type[1]) { + h->left_cbp |= ((h->cbp_table[left_xy[1]]>>((left_block[2]&(~1))+1))&0x1) << 3; + } + } + +#if 1 + if(IS_INTER(mb_type) || IS_DIRECT(mb_type)){ + int list; + for(list=0; list<h->list_count; list++){ + if(!USES_LIST(mb_type, list) && !IS_DIRECT(mb_type) && !h->deblocking_filter){ + /*if(!h->mv_cache_clean[list]){ + memset(h->mv_cache [list], 0, 8*5*2*sizeof(int16_t)); //FIXME clean only input? clean at all? + memset(h->ref_cache[list], PART_NOT_AVAILABLE, 8*5*sizeof(int8_t)); + h->mv_cache_clean[list]= 1; + }*/ + continue; + } + 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; + const int b8_xy= h->mb2b8_xy[top_xy] + h->b8_stride; + *(uint32_t*)h->mv_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 0]; + *(uint32_t*)h->mv_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 1]; + *(uint32_t*)h->mv_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 2]; + *(uint32_t*)h->mv_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + 3]; + h->ref_cache[list][scan8[0] + 0 - 1*8]= + h->ref_cache[list][scan8[0] + 1 - 1*8]= 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]= s->current_picture.ref_index[list][b8_xy + 1]; + }else{ + *(uint32_t*)h->mv_cache [list][scan8[0] + 0 - 1*8]= + *(uint32_t*)h->mv_cache [list][scan8[0] + 1 - 1*8]= + *(uint32_t*)h->mv_cache [list][scan8[0] + 2 - 1*8]= + *(uint32_t*)h->mv_cache [list][scan8[0] + 3 - 1*8]= 0; + *(uint32_t*)&h->ref_cache[list][scan8[0] + 0 - 1*8]= ((top_type ? LIST_NOT_USED : PART_NOT_AVAILABLE)&0xFF)*0x01010101; + } + + for(i=0; i<2; i++){ + int cache_idx = scan8[0] - 1 + i*2*8; + if(USES_LIST(left_type[i], list)){ + const int b_xy= h->mb2b_xy[left_xy[i]] + 3; + const int b8_xy= h->mb2b8_xy[left_xy[i]] + 1; + *(uint32_t*)h->mv_cache[list][cache_idx ]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[0+i*2]]; + *(uint32_t*)h->mv_cache[list][cache_idx+8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy + h->b_stride*left_block[1+i*2]]; + h->ref_cache[list][cache_idx ]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[0+i*2]>>1)]; + h->ref_cache[list][cache_idx+8]= s->current_picture.ref_index[list][b8_xy + h->b8_stride*(left_block[1+i*2]>>1)]; + }else{ + *(uint32_t*)h->mv_cache [list][cache_idx ]= + *(uint32_t*)h->mv_cache [list][cache_idx+8]= 0; + h->ref_cache[list][cache_idx ]= + h->ref_cache[list][cache_idx+8]= left_type[i] ? LIST_NOT_USED : PART_NOT_AVAILABLE; + } + } + + if(for_deblock || ((IS_DIRECT(mb_type) && !h->direct_spatial_mv_pred) && !FRAME_MBAFF)) + continue; + + if(USES_LIST(topleft_type, list)){ + const int b_xy = h->mb2b_xy[topleft_xy] + 3 + h->b_stride + (topleft_partition & 2*h->b_stride); + const int b8_xy= h->mb2b8_xy[topleft_xy] + 1 + (topleft_partition & h->b8_stride); + *(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= *(uint32_t*)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{ + *(uint32_t*)h->mv_cache[list][scan8[0] - 1 - 1*8]= 0; + h->ref_cache[list][scan8[0] - 1 - 1*8]= topleft_type ? LIST_NOT_USED : PART_NOT_AVAILABLE; + } + + if(USES_LIST(topright_type, list)){ + const int b_xy= h->mb2b_xy[topright_xy] + 3*h->b_stride; + const int b8_xy= h->mb2b8_xy[topright_xy] + h->b8_stride; + *(uint32_t*)h->mv_cache[list][scan8[0] + 4 - 1*8]= *(uint32_t*)s->current_picture.motion_val[list][b_xy]; + h->ref_cache[list][scan8[0] + 4 - 1*8]= s->current_picture.ref_index[list][b8_xy]; + }else{ + *(uint32_t*)h->mv_cache [list][scan8[0] + 4 - 1*8]= 0; + h->ref_cache[list][scan8[0] + 4 - 1*8]= topright_type ? LIST_NOT_USED : PART_NOT_AVAILABLE; + } + + if((IS_SKIP(mb_type) || IS_DIRECT(mb_type)) && !FRAME_MBAFF) + continue; + + h->ref_cache[list][scan8[5 ]+1] = + h->ref_cache[list][scan8[7 ]+1] = + h->ref_cache[list][scan8[13]+1] = //FIXME remove past 3 (init somewhere else) + h->ref_cache[list][scan8[4 ]] = + h->ref_cache[list][scan8[12]] = PART_NOT_AVAILABLE; + *(uint32_t*)h->mv_cache [list][scan8[5 ]+1]= + *(uint32_t*)h->mv_cache [list][scan8[7 ]+1]= + *(uint32_t*)h->mv_cache [list][scan8[13]+1]= //FIXME remove past 3 (init somewhere else) + *(uint32_t*)h->mv_cache [list][scan8[4 ]]= + *(uint32_t*)h->mv_cache [list][scan8[12]]= 0; + + if( h->pps.cabac ) { + /* XXX beurk, Load mvd */ + if(USES_LIST(top_type, list)){ + const int b_xy= h->mb2b_xy[top_xy] + 3*h->b_stride; + *(uint32_t*)h->mvd_cache[list][scan8[0] + 0 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 0]; + *(uint32_t*)h->mvd_cache[list][scan8[0] + 1 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 1]; + *(uint32_t*)h->mvd_cache[list][scan8[0] + 2 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 2]; + *(uint32_t*)h->mvd_cache[list][scan8[0] + 3 - 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + 3]; + }else{ + *(uint32_t*)h->mvd_cache [list][scan8[0] + 0 - 1*8]= + *(uint32_t*)h->mvd_cache [list][scan8[0] + 1 - 1*8]= + *(uint32_t*)h->mvd_cache [list][scan8[0] + 2 - 1*8]= + *(uint32_t*)h->mvd_cache [list][scan8[0] + 3 - 1*8]= 0; + } + if(USES_LIST(left_type[0], list)){ + const int b_xy= h->mb2b_xy[left_xy[0]] + 3; + *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 0*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[0]]; + *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 1*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[1]]; + }else{ + *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 0*8]= + *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 1*8]= 0; + } + if(USES_LIST(left_type[1], list)){ + const int b_xy= h->mb2b_xy[left_xy[1]] + 3; + *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 2*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[2]]; + *(uint32_t*)h->mvd_cache[list][scan8[0] - 1 + 3*8]= *(uint32_t*)h->mvd_table[list][b_xy + h->b_stride*left_block[3]]; + }else{ + *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 2*8]= + *(uint32_t*)h->mvd_cache [list][scan8[0] - 1 + 3*8]= 0; + } + *(uint32_t*)h->mvd_cache [list][scan8[5 ]+1]= + *(uint32_t*)h->mvd_cache [list][scan8[7 ]+1]= + *(uint32_t*)h->mvd_cache [list][scan8[13]+1]= //FIXME remove past 3 (init somewhere else) + *(uint32_t*)h->mvd_cache [list][scan8[4 ]]= + *(uint32_t*)h->mvd_cache [list][scan8[12]]= 0; + + if(h->slice_type_nos == FF_B_TYPE){ + fill_rectangle(&h->direct_cache[scan8[0]], 4, 4, 8, 0, 1); + + if(IS_DIRECT(top_type)){ + *(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0x01010101; + }else if(IS_8X8(top_type)){ + int b8_xy = h->mb2b8_xy[top_xy] + h->b8_stride; + h->direct_cache[scan8[0] + 0 - 1*8]= h->direct_table[b8_xy]; + h->direct_cache[scan8[0] + 2 - 1*8]= h->direct_table[b8_xy + 1]; + }else{ + *(uint32_t*)&h->direct_cache[scan8[0] - 1*8]= 0; + } + + if(IS_DIRECT(left_type[0])) + h->direct_cache[scan8[0] - 1 + 0*8]= 1; + else if(IS_8X8(left_type[0])) + h->direct_cache[scan8[0] - 1 + 0*8]= h->direct_table[h->mb2b8_xy[left_xy[0]] + 1 + h->b8_stride*(left_block[0]>>1)]; + else + h->direct_cache[scan8[0] - 1 + 0*8]= 0; + + if(IS_DIRECT(left_type[1])) + h->direct_cache[scan8[0] - 1 + 2*8]= 1; + else if(IS_8X8(left_type[1])) + h->direct_cache[scan8[0] - 1 + 2*8]= h->direct_table[h->mb2b8_xy[left_xy[1]] + 1 + h->b8_stride*(left_block[2]>>1)]; + else + h->direct_cache[scan8[0] - 1 + 2*8]= 0; + } + } + + if(FRAME_MBAFF){ +#define MAP_MVS\ + MAP_F2F(scan8[0] - 1 - 1*8, topleft_type)\ + MAP_F2F(scan8[0] + 0 - 1*8, top_type)\ + MAP_F2F(scan8[0] + 1 - 1*8, top_type)\ + MAP_F2F(scan8[0] + 2 - 1*8, top_type)\ + MAP_F2F(scan8[0] + 3 - 1*8, top_type)\ + MAP_F2F(scan8[0] + 4 - 1*8, topright_type)\ + MAP_F2F(scan8[0] - 1 + 0*8, left_type[0])\ + MAP_F2F(scan8[0] - 1 + 1*8, left_type[0])\ + MAP_F2F(scan8[0] - 1 + 2*8, left_type[1])\ + MAP_F2F(scan8[0] - 1 + 3*8, left_type[1]) + if(MB_FIELD){ +#define MAP_F2F(idx, mb_type)\ + if(!IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\ + h->ref_cache[list][idx] <<= 1;\ + h->mv_cache[list][idx][1] /= 2;\ + h->mvd_cache[list][idx][1] /= 2;\ + } + MAP_MVS +#undef MAP_F2F + }else{ +#define MAP_F2F(idx, mb_type)\ + if(IS_INTERLACED(mb_type) && h->ref_cache[list][idx] >= 0){\ + h->ref_cache[list][idx] >>= 1;\ + h->mv_cache[list][idx][1] <<= 1;\ + h->mvd_cache[list][idx][1] <<= 1;\ + } + MAP_MVS +#undef MAP_F2F + } + } + } + } +#endif + + h->neighbor_transform_size= !!IS_8x8DCT(top_type) + !!IS_8x8DCT(left_type[0]); +} + +/** + * gets the predicted intra4x4 prediction mode. + */ +static inline int pred_intra_mode(H264Context *h, int n){ + const int index8= scan8[n]; + 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); + + 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; + + h->non_zero_count[mb_xy][0]= h->non_zero_count_cache[7+8*1]; + h->non_zero_count[mb_xy][1]= h->non_zero_count_cache[7+8*2]; + h->non_zero_count[mb_xy][2]= h->non_zero_count_cache[7+8*3]; + h->non_zero_count[mb_xy][3]= h->non_zero_count_cache[7+8*4]; + h->non_zero_count[mb_xy][4]= h->non_zero_count_cache[4+8*4]; + h->non_zero_count[mb_xy][5]= h->non_zero_count_cache[5+8*4]; + h->non_zero_count[mb_xy][6]= h->non_zero_count_cache[6+8*4]; + + h->non_zero_count[mb_xy][9]= h->non_zero_count_cache[1+8*2]; + h->non_zero_count[mb_xy][8]= h->non_zero_count_cache[2+8*2]; + h->non_zero_count[mb_xy][7]= h->non_zero_count_cache[2+8*1]; + + h->non_zero_count[mb_xy][12]=h->non_zero_count_cache[1+8*5]; + h->non_zero_count[mb_xy][11]=h->non_zero_count_cache[2+8*5]; + h->non_zero_count[mb_xy][10]=h->non_zero_count_cache[2+8*4]; +} + +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; + const int b8_xy= 2*s->mb_x + 2*s->mb_y*h->b8_stride; + int list; + + if(!USES_LIST(mb_type, 0)) + fill_rectangle(&s->current_picture.ref_index[0][b8_xy], 2, 2, h->b8_stride, (uint8_t)LIST_NOT_USED, 1); + + for(list=0; list<h->list_count; list++){ + int y; + if(!USES_LIST(mb_type, list)) + continue; + + for(y=0; y<4; y++){ + *(uint64_t*)s->current_picture.motion_val[list][b_xy + 0 + y*h->b_stride]= *(uint64_t*)h->mv_cache[list][scan8[0]+0 + 8*y]; + *(uint64_t*)s->current_picture.motion_val[list][b_xy + 2 + y*h->b_stride]= *(uint64_t*)h->mv_cache[list][scan8[0]+2 + 8*y]; + } + if( h->pps.cabac ) { + if(IS_SKIP(mb_type)) + fill_rectangle(h->mvd_table[list][b_xy], 4, 4, h->b_stride, 0, 4); + else + for(y=0; y<4; y++){ + *(uint64_t*)h->mvd_table[list][b_xy + 0 + y*h->b_stride]= *(uint64_t*)h->mvd_cache[list][scan8[0]+0 + 8*y]; + *(uint64_t*)h->mvd_table[list][b_xy + 2 + y*h->b_stride]= *(uint64_t*)h->mvd_cache[list][scan8[0]+2 + 8*y]; + } + } + + { + int8_t *ref_index = &s->current_picture.ref_index[list][b8_xy]; + ref_index[0+0*h->b8_stride]= h->ref_cache[list][scan8[0]]; + ref_index[1+0*h->b8_stride]= h->ref_cache[list][scan8[4]]; + ref_index[0+1*h->b8_stride]= h->ref_cache[list][scan8[8]]; + ref_index[1+1*h->b8_stride]= h->ref_cache[list][scan8[12]]; + } + } + + if(h->slice_type_nos == FF_B_TYPE && h->pps.cabac){ + if(IS_8X8(mb_type)){ + uint8_t *direct_table = &h->direct_table[b8_xy]; + direct_table[1+0*h->b8_stride] = IS_DIRECT(h->sub_mb_type[1]) ? 1 : 0; + direct_table[0+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[2]) ? 1 : 0; + direct_table[1+1*h->b8_stride] = IS_DIRECT(h->sub_mb_type[3]) ? 1 : 0; + } + } +} + +static inline int get_dct8x8_allowed(H264Context *h){ + if(h->sps.direct_8x8_inference_flag) + return !(*(uint64_t*)h->sub_mb_type & ((MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_8x8 )*0x0001000100010001ULL)); + else + return !(*(uint64_t*)h->sub_mb_type & ((MB_TYPE_16x8|MB_TYPE_8x16|MB_TYPE_8x8|MB_TYPE_DIRECT2)*0x0001000100010001ULL)); +} + +static void predict_field_decoding_flag(H264Context *h){ + MpegEncContext * const s = &h->s; + const int mb_xy= h->mb_xy; + int mb_type = (h->slice_table[mb_xy-1] == h->slice_num) + ? s->current_picture.mb_type[mb_xy-1] + : (h->slice_table[mb_xy-s->mb_stride] == h->slice_num) + ? s->current_picture.mb_type[mb_xy-s->mb_stride] + : 0; + h->mb_mbaff = h->mb_field_decoding_flag = IS_INTERLACED(mb_type) ? 1 : 0; +} + +/** + * decodes a P_SKIP or B_SKIP macroblock + */ +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, 16); + 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_P0L0|MB_TYPE_P0L1|MB_TYPE_DIRECT2|MB_TYPE_SKIP; + + fill_caches(h, mb_type, 0); //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_caches(h, mb_type, 0); //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; +} + #endif /* AVCODEC_H264_H */ diff --git a/libavcodec/h264_cavlc.c b/libavcodec/h264_cavlc.c new file mode 100644 index 0000000000..8cf188dd06 --- /dev/null +++ b/libavcodec/h264_cavlc.c @@ -0,0 +1,1053 @@ +/* + * H.26L/H.264/AVC/JVT/14496-10/... cavlc bitstream decoding + * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at> + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +/** + * @file libavcodec/h264_cavlc.c + * H.264 / AVC / MPEG4 part10 cavlc bitstream decoding. + * @author Michael Niedermayer <michaelni@gmx.at> + */ + +#include "internal.h" +#include "avcodec.h" +#include "mpegvideo.h" +#include "h264.h" +#include "h264data.h" // FIXME FIXME FIXME +#include "h264_mvpred.h" +#include "golomb.h" + +#if ARCH_X86 +#include "x86/h264_i386.h" +#endif + +//#undef NDEBUG +#include <assert.h> + +static const uint8_t golomb_to_intra4x4_cbp[48]={ + 47, 31, 15, 0, 23, 27, 29, 30, 7, 11, 13, 14, 39, 43, 45, 46, + 16, 3, 5, 10, 12, 19, 21, 26, 28, 35, 37, 42, 44, 1, 2, 4, + 8, 17, 18, 20, 24, 6, 9, 22, 25, 32, 33, 34, 36, 40, 38, 41 +}; + +static const uint8_t golomb_to_inter_cbp[48]={ + 0, 16, 1, 2, 4, 8, 32, 3, 5, 10, 12, 15, 47, 7, 11, 13, + 14, 6, 9, 31, 35, 37, 42, 44, 33, 34, 36, 40, 39, 43, 45, 46, + 17, 18, 20, 24, 19, 21, 26, 28, 23, 27, 29, 30, 22, 25, 38, 41 +}; + +static const uint8_t golomb_to_inter_cbp_gray[16]={ + 0, 1, 2, 4, 8, 3, 5,10,12,15, 7,11,13,14, 6, 9, +}; + +static const uint8_t golomb_to_intra4x4_cbp_gray[16]={ +15, 0, 7,11,13,14, 3, 5,10,12, 1, 2, 4, 8, 6, 9, +}; + +static const uint8_t chroma_dc_coeff_token_len[4*5]={ + 2, 0, 0, 0, + 6, 1, 0, 0, + 6, 6, 3, 0, + 6, 7, 7, 6, + 6, 8, 8, 7, +}; + +static const uint8_t chroma_dc_coeff_token_bits[4*5]={ + 1, 0, 0, 0, + 7, 1, 0, 0, + 4, 6, 1, 0, + 3, 3, 2, 5, + 2, 3, 2, 0, +}; + +static const uint8_t coeff_token_len[4][4*17]={ +{ + 1, 0, 0, 0, + 6, 2, 0, 0, 8, 6, 3, 0, 9, 8, 7, 5, 10, 9, 8, 6, + 11,10, 9, 7, 13,11,10, 8, 13,13,11, 9, 13,13,13,10, + 14,14,13,11, 14,14,14,13, 15,15,14,14, 15,15,15,14, + 16,15,15,15, 16,16,16,15, 16,16,16,16, 16,16,16,16, +}, +{ + 2, 0, 0, 0, + 6, 2, 0, 0, 6, 5, 3, 0, 7, 6, 6, 4, 8, 6, 6, 4, + 8, 7, 7, 5, 9, 8, 8, 6, 11, 9, 9, 6, 11,11,11, 7, + 12,11,11, 9, 12,12,12,11, 12,12,12,11, 13,13,13,12, + 13,13,13,13, 13,14,13,13, 14,14,14,13, 14,14,14,14, +}, +{ + 4, 0, 0, 0, + 6, 4, 0, 0, 6, 5, 4, 0, 6, 5, 5, 4, 7, 5, 5, 4, + 7, 5, 5, 4, 7, 6, 6, 4, 7, 6, 6, 4, 8, 7, 7, 5, + 8, 8, 7, 6, 9, 8, 8, 7, 9, 9, 8, 8, 9, 9, 9, 8, + 10, 9, 9, 9, 10,10,10,10, 10,10,10,10, 10,10,10,10, +}, +{ + 6, 0, 0, 0, + 6, 6, 0, 0, 6, 6, 6, 0, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, + 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, +} +}; + +static const uint8_t coeff_token_bits[4][4*17]={ +{ + 1, 0, 0, 0, + 5, 1, 0, 0, 7, 4, 1, 0, 7, 6, 5, 3, 7, 6, 5, 3, + 7, 6, 5, 4, 15, 6, 5, 4, 11,14, 5, 4, 8,10,13, 4, + 15,14, 9, 4, 11,10,13,12, 15,14, 9,12, 11,10,13, 8, + 15, 1, 9,12, 11,14,13, 8, 7,10, 9,12, 4, 6, 5, 8, +}, +{ + 3, 0, 0, 0, + 11, 2, 0, 0, 7, 7, 3, 0, 7,10, 9, 5, 7, 6, 5, 4, + 4, 6, 5, 6, 7, 6, 5, 8, 15, 6, 5, 4, 11,14,13, 4, + 15,10, 9, 4, 11,14,13,12, 8,10, 9, 8, 15,14,13,12, + 11,10, 9,12, 7,11, 6, 8, 9, 8,10, 1, 7, 6, 5, 4, +}, +{ + 15, 0, 0, 0, + 15,14, 0, 0, 11,15,13, 0, 8,12,14,12, 15,10,11,11, + 11, 8, 9,10, 9,14,13, 9, 8,10, 9, 8, 15,14,13,13, + 11,14,10,12, 15,10,13,12, 11,14, 9,12, 8,10,13, 8, + 13, 7, 9,12, 9,12,11,10, 5, 8, 7, 6, 1, 4, 3, 2, +}, +{ + 3, 0, 0, 0, + 0, 1, 0, 0, 4, 5, 6, 0, 8, 9,10,11, 12,13,14,15, + 16,17,18,19, 20,21,22,23, 24,25,26,27, 28,29,30,31, + 32,33,34,35, 36,37,38,39, 40,41,42,43, 44,45,46,47, + 48,49,50,51, 52,53,54,55, 56,57,58,59, 60,61,62,63, +} +}; + +static const uint8_t total_zeros_len[16][16]= { + {1,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9}, + {3,3,3,3,3,4,4,4,4,5,5,6,6,6,6}, + {4,3,3,3,4,4,3,3,4,5,5,6,5,6}, + {5,3,4,4,3,3,3,4,3,4,5,5,5}, + {4,4,4,3,3,3,3,3,4,5,4,5}, + {6,5,3,3,3,3,3,3,4,3,6}, + {6,5,3,3,3,2,3,4,3,6}, + {6,4,5,3,2,2,3,3,6}, + {6,6,4,2,2,3,2,5}, + {5,5,3,2,2,2,4}, + {4,4,3,3,1,3}, + {4,4,2,1,3}, + {3,3,1,2}, + {2,2,1}, + {1,1}, +}; + +static const uint8_t total_zeros_bits[16][16]= { + {1,3,2,3,2,3,2,3,2,3,2,3,2,3,2,1}, + {7,6,5,4,3,5,4,3,2,3,2,3,2,1,0}, + {5,7,6,5,4,3,4,3,2,3,2,1,1,0}, + {3,7,5,4,6,5,4,3,3,2,2,1,0}, + {5,4,3,7,6,5,4,3,2,1,1,0}, + {1,1,7,6,5,4,3,2,1,1,0}, + {1,1,5,4,3,3,2,1,1,0}, + {1,1,1,3,3,2,2,1,0}, + {1,0,1,3,2,1,1,1}, + {1,0,1,3,2,1,1}, + {0,1,1,2,1,3}, + {0,1,1,1,1}, + {0,1,1,1}, + {0,1,1}, + {0,1}, +}; + +static const uint8_t chroma_dc_total_zeros_len[3][4]= { + { 1, 2, 3, 3,}, + { 1, 2, 2, 0,}, + { 1, 1, 0, 0,}, +}; + +static const uint8_t chroma_dc_total_zeros_bits[3][4]= { + { 1, 1, 1, 0,}, + { 1, 1, 0, 0,}, + { 1, 0, 0, 0,}, +}; + +static const uint8_t run_len[7][16]={ + {1,1}, + {1,2,2}, + {2,2,2,2}, + {2,2,2,3,3}, + {2,2,3,3,3,3}, + {2,3,3,3,3,3,3}, + {3,3,3,3,3,3,3,4,5,6,7,8,9,10,11}, +}; + +static const uint8_t run_bits[7][16]={ + {1,0}, + {1,1,0}, + {3,2,1,0}, + {3,2,1,1,0}, + {3,2,3,2,1,0}, + {3,0,1,3,2,5,4}, + {7,6,5,4,3,2,1,1,1,1,1,1,1,1,1}, +}; + +static VLC coeff_token_vlc[4]; +static VLC_TYPE coeff_token_vlc_tables[520+332+280+256][2]; +static const int coeff_token_vlc_tables_size[4]={520,332,280,256}; + +static VLC chroma_dc_coeff_token_vlc; +static VLC_TYPE chroma_dc_coeff_token_vlc_table[256][2]; +static const int chroma_dc_coeff_token_vlc_table_size = 256; + +static VLC total_zeros_vlc[15]; +static VLC_TYPE total_zeros_vlc_tables[15][512][2]; +static const int total_zeros_vlc_tables_size = 512; + +static VLC chroma_dc_total_zeros_vlc[3]; +static VLC_TYPE chroma_dc_total_zeros_vlc_tables[3][8][2]; +static const int chroma_dc_total_zeros_vlc_tables_size = 8; + +static VLC run_vlc[6]; +static VLC_TYPE run_vlc_tables[6][8][2]; +static const int run_vlc_tables_size = 8; + +static VLC run7_vlc; +static VLC_TYPE run7_vlc_table[96][2]; +static const int run7_vlc_table_size = 96; + +#define LEVEL_TAB_BITS 8 +static int8_t cavlc_level_tab[7][1<<LEVEL_TAB_BITS][2]; + + +/** + * gets the predicted number of non-zero coefficients. + * @param n block index + */ +static inline int pred_non_zero_count(H264Context *h, int n){ + const int index8= scan8[n]; + const int left= h->non_zero_count_cache[index8 - 1]; + const int top = h->non_zero_count_cache[index8 - 8]; + int i= left + top; + + if(i<64) i= (i+1)>>1; + + tprintf(h->s.avctx, "pred_nnz L%X T%X n%d s%d P%X\n", left, top, n, scan8[n], i&31); + + return i&31; +} + +static av_cold void init_cavlc_level_tab(void){ + int suffix_length, mask; + unsigned int i; + + for(suffix_length=0; suffix_length<7; suffix_length++){ + for(i=0; i<(1<<LEVEL_TAB_BITS); i++){ + int prefix= LEVEL_TAB_BITS - av_log2(2*i); + int level_code= (prefix<<suffix_length) + (i>>(LEVEL_TAB_BITS-prefix-1-suffix_length)) - (1<<suffix_length); + + mask= -(level_code&1); + level_code= (((2+level_code)>>1) ^ mask) - mask; + if(prefix + 1 + suffix_length <= LEVEL_TAB_BITS){ + cavlc_level_tab[suffix_length][i][0]= level_code; + cavlc_level_tab[suffix_length][i][1]= prefix + 1 + suffix_length; + }else if(prefix + 1 <= LEVEL_TAB_BITS){ + cavlc_level_tab[suffix_length][i][0]= prefix+100; + cavlc_level_tab[suffix_length][i][1]= prefix + 1; + }else{ + cavlc_level_tab[suffix_length][i][0]= LEVEL_TAB_BITS+100; + cavlc_level_tab[suffix_length][i][1]= LEVEL_TAB_BITS; + } + } + } +} + +av_cold void ff_h264_decode_init_vlc(void){ + static int done = 0; + + if (!done) { + int i; + int offset; + done = 1; + + chroma_dc_coeff_token_vlc.table = chroma_dc_coeff_token_vlc_table; + chroma_dc_coeff_token_vlc.table_allocated = chroma_dc_coeff_token_vlc_table_size; + init_vlc(&chroma_dc_coeff_token_vlc, CHROMA_DC_COEFF_TOKEN_VLC_BITS, 4*5, + &chroma_dc_coeff_token_len [0], 1, 1, + &chroma_dc_coeff_token_bits[0], 1, 1, + INIT_VLC_USE_NEW_STATIC); + + offset = 0; + for(i=0; i<4; i++){ + coeff_token_vlc[i].table = coeff_token_vlc_tables+offset; + coeff_token_vlc[i].table_allocated = coeff_token_vlc_tables_size[i]; + init_vlc(&coeff_token_vlc[i], COEFF_TOKEN_VLC_BITS, 4*17, + &coeff_token_len [i][0], 1, 1, + &coeff_token_bits[i][0], 1, 1, + INIT_VLC_USE_NEW_STATIC); + offset += coeff_token_vlc_tables_size[i]; + } + /* + * This is a one time safety check to make sure that + * the packed static coeff_token_vlc table sizes + * were initialized correctly. + */ + assert(offset == FF_ARRAY_ELEMS(coeff_token_vlc_tables)); + + for(i=0; i<3; i++){ + chroma_dc_total_zeros_vlc[i].table = chroma_dc_total_zeros_vlc_tables[i]; + chroma_dc_total_zeros_vlc[i].table_allocated = chroma_dc_total_zeros_vlc_tables_size; + init_vlc(&chroma_dc_total_zeros_vlc[i], + CHROMA_DC_TOTAL_ZEROS_VLC_BITS, 4, + &chroma_dc_total_zeros_len [i][0], 1, 1, + &chroma_dc_total_zeros_bits[i][0], 1, 1, + INIT_VLC_USE_NEW_STATIC); + } + for(i=0; i<15; i++){ + total_zeros_vlc[i].table = total_zeros_vlc_tables[i]; + total_zeros_vlc[i].table_allocated = total_zeros_vlc_tables_size; + init_vlc(&total_zeros_vlc[i], + TOTAL_ZEROS_VLC_BITS, 16, + &total_zeros_len [i][0], 1, 1, + &total_zeros_bits[i][0], 1, 1, + INIT_VLC_USE_NEW_STATIC); + } + + for(i=0; i<6; i++){ + run_vlc[i].table = run_vlc_tables[i]; + run_vlc[i].table_allocated = run_vlc_tables_size; + init_vlc(&run_vlc[i], + RUN_VLC_BITS, 7, + &run_len [i][0], 1, 1, + &run_bits[i][0], 1, 1, + INIT_VLC_USE_NEW_STATIC); + } + run7_vlc.table = run7_vlc_table, + run7_vlc.table_allocated = run7_vlc_table_size; + init_vlc(&run7_vlc, RUN7_VLC_BITS, 16, + &run_len [6][0], 1, 1, + &run_bits[6][0], 1, 1, + INIT_VLC_USE_NEW_STATIC); + + init_cavlc_level_tab(); + } +} + +/** + * + */ +static inline int get_level_prefix(GetBitContext *gb){ + unsigned int buf; + int log; + + OPEN_READER(re, gb); + UPDATE_CACHE(re, gb); + buf=GET_CACHE(re, gb); + + log= 32 - av_log2(buf); +#ifdef TRACE + print_bin(buf>>(32-log), log); + av_log(NULL, AV_LOG_DEBUG, "%5d %2d %3d lpr @%5d in %s get_level_prefix\n", buf>>(32-log), log, log-1, get_bits_count(gb), __FILE__); +#endif + + LAST_SKIP_BITS(re, gb, log); + CLOSE_READER(re, gb); + + return log-1; +} + +/** + * decodes a residual block. + * @param n block index + * @param scantable scantable + * @param max_coeff number of coefficients in the block + * @return <0 if an error occurred + */ +static int decode_residual(H264Context *h, GetBitContext *gb, DCTELEM *block, int n, const uint8_t *scantable, const uint32_t *qmul, int max_coeff){ + MpegEncContext * const s = &h->s; + static const int coeff_token_table_index[17]= {0, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3}; + int level[16]; + int zeros_left, coeff_num, coeff_token, total_coeff, i, j, trailing_ones, run_before; + + //FIXME put trailing_onex into the context + + if(n == CHROMA_DC_BLOCK_INDEX){ + coeff_token= get_vlc2(gb, chroma_dc_coeff_token_vlc.table, CHROMA_DC_COEFF_TOKEN_VLC_BITS, 1); + total_coeff= coeff_token>>2; + }else{ + if(n == LUMA_DC_BLOCK_INDEX){ + total_coeff= pred_non_zero_count(h, 0); + coeff_token= get_vlc2(gb, coeff_token_vlc[ coeff_token_table_index[total_coeff] ].table, COEFF_TOKEN_VLC_BITS, 2); + total_coeff= coeff_token>>2; + }else{ + total_coeff= pred_non_zero_count(h, n); + coeff_token= get_vlc2(gb, coeff_token_vlc[ coeff_token_table_index[total_coeff] ].table, COEFF_TOKEN_VLC_BITS, 2); + total_coeff= coeff_token>>2; + h->non_zero_count_cache[ scan8[n] ]= total_coeff; + } + } + + //FIXME set last_non_zero? + + if(total_coeff==0) + return 0; + if(total_coeff > (unsigned)max_coeff) { + av_log(h->s.avctx, AV_LOG_ERROR, "corrupted macroblock %d %d (total_coeff=%d)\n", s->mb_x, s->mb_y, total_coeff); + return -1; + } + + trailing_ones= coeff_token&3; + tprintf(h->s.avctx, "trailing:%d, total:%d\n", trailing_ones, total_coeff); + assert(total_coeff<=16); + + i = show_bits(gb, 3); + skip_bits(gb, trailing_ones); + level[0] = 1-((i&4)>>1); + level[1] = 1-((i&2) ); + level[2] = 1-((i&1)<<1); + + if(trailing_ones<total_coeff) { + int mask, prefix; + int suffix_length = total_coeff > 10 && trailing_ones < 3; + int bitsi= show_bits(gb, LEVEL_TAB_BITS); + int level_code= cavlc_level_tab[suffix_length][bitsi][0]; + + skip_bits(gb, cavlc_level_tab[suffix_length][bitsi][1]); + if(level_code >= 100){ + prefix= level_code - 100; + if(prefix == LEVEL_TAB_BITS) + prefix += get_level_prefix(gb); + + //first coefficient has suffix_length equal to 0 or 1 + if(prefix<14){ //FIXME try to build a large unified VLC table for all this + if(suffix_length) + level_code= (prefix<<1) + get_bits1(gb); //part + else + level_code= prefix; //part + }else if(prefix==14){ + if(suffix_length) + level_code= (prefix<<1) + get_bits1(gb); //part + else + level_code= prefix + get_bits(gb, 4); //part + }else{ + level_code= 30 + get_bits(gb, prefix-3); //part + if(prefix>=16) + level_code += (1<<(prefix-3))-4096; + } + + if(trailing_ones < 3) level_code += 2; + + suffix_length = 2; + mask= -(level_code&1); + level[trailing_ones]= (((2+level_code)>>1) ^ mask) - mask; + }else{ + if(trailing_ones < 3) level_code += (level_code>>31)|1; + + suffix_length = 1; + if(level_code + 3U > 6U) + suffix_length++; + level[trailing_ones]= level_code; + } + + //remaining coefficients have suffix_length > 0 + for(i=trailing_ones+1;i<total_coeff;i++) { + static const unsigned int suffix_limit[7] = {0,3,6,12,24,48,INT_MAX }; + int bitsi= show_bits(gb, LEVEL_TAB_BITS); + level_code= cavlc_level_tab[suffix_length][bitsi][0]; + + skip_bits(gb, cavlc_level_tab[suffix_length][bitsi][1]); + if(level_code >= 100){ + prefix= level_code - 100; + if(prefix == LEVEL_TAB_BITS){ + prefix += get_level_prefix(gb); + } + if(prefix<15){ + level_code = (prefix<<suffix_length) + get_bits(gb, suffix_length); + }else{ + level_code = (15<<suffix_length) + get_bits(gb, prefix-3); + if(prefix>=16) + level_code += (1<<(prefix-3))-4096; + } + mask= -(level_code&1); + level_code= (((2+level_code)>>1) ^ mask) - mask; + } + level[i]= level_code; + + if(suffix_limit[suffix_length] + level_code > 2U*suffix_limit[suffix_length]) + suffix_length++; + } + } + + if(total_coeff == max_coeff) + zeros_left=0; + else{ + if(n == CHROMA_DC_BLOCK_INDEX) + zeros_left= get_vlc2(gb, chroma_dc_total_zeros_vlc[ total_coeff-1 ].table, CHROMA_DC_TOTAL_ZEROS_VLC_BITS, 1); + else + zeros_left= get_vlc2(gb, total_zeros_vlc[ total_coeff-1 ].table, TOTAL_ZEROS_VLC_BITS, 1); + } + + coeff_num = zeros_left + total_coeff - 1; + j = scantable[coeff_num]; + if(n > 24){ + block[j] = level[0]; + for(i=1;i<total_coeff;i++) { + if(zeros_left <= 0) + run_before = 0; + else if(zeros_left < 7){ + run_before= get_vlc2(gb, run_vlc[zeros_left-1].table, RUN_VLC_BITS, 1); + }else{ + run_before= get_vlc2(gb, run7_vlc.table, RUN7_VLC_BITS, 2); + } + zeros_left -= run_before; + coeff_num -= 1 + run_before; + j= scantable[ coeff_num ]; + + block[j]= level[i]; + } + }else{ + block[j] = (level[0] * qmul[j] + 32)>>6; + for(i=1;i<total_coeff;i++) { + if(zeros_left <= 0) + run_before = 0; + else if(zeros_left < 7){ + run_before= get_vlc2(gb, run_vlc[zeros_left-1].table, RUN_VLC_BITS, 1); + }else{ + run_before= get_vlc2(gb, run7_vlc.table, RUN7_VLC_BITS, 2); + } + zeros_left -= run_before; + coeff_num -= 1 + run_before; + j= scantable[ coeff_num ]; + + block[j]= (level[i] * qmul[j] + 32)>>6; + } + } + + if(zeros_left<0){ + av_log(h->s.avctx, AV_LOG_ERROR, "negative number of zero coeffs at %d %d\n", s->mb_x, s->mb_y); + return -1; + } + + return 0; +} + +int ff_h264_decode_mb_cavlc(H264Context *h){ + MpegEncContext * const s = &h->s; + int mb_xy; + int partition_count; + unsigned int mb_type, cbp; + int dct8x8_allowed= h->pps.transform_8x8_mode; + + mb_xy = h->mb_xy = s->mb_x + s->mb_y*s->mb_stride; + + tprintf(s->avctx, "pic:%d mb:%d/%d\n", h->frame_num, s->mb_x, s->mb_y); + cbp = 0; /* avoid warning. FIXME: find a solution without slowing + down the code */ + if(h->slice_type_nos != FF_I_TYPE){ + if(s->mb_skip_run==-1) + s->mb_skip_run= get_ue_golomb(&s->gb); + + if (s->mb_skip_run--) { + if(FRAME_MBAFF && (s->mb_y&1) == 0){ + if(s->mb_skip_run==0) + h->mb_mbaff = h->mb_field_decoding_flag = get_bits1(&s->gb); + else + predict_field_decoding_flag(h); + } + decode_mb_skip(h); + return 0; + } + } + if(FRAME_MBAFF){ + if( (s->mb_y&1) == 0 ) + h->mb_mbaff = h->mb_field_decoding_flag = get_bits1(&s->gb); + } + + h->prev_mb_skipped= 0; + + mb_type= get_ue_golomb(&s->gb); + if(h->slice_type_nos == FF_B_TYPE){ + if(mb_type < 23){ + partition_count= b_mb_type_info[mb_type].partition_count; + mb_type= b_mb_type_info[mb_type].type; + }else{ + mb_type -= 23; + goto decode_intra_mb; + } + }else if(h->slice_type_nos == FF_P_TYPE){ + if(mb_type < 5){ + partition_count= p_mb_type_info[mb_type].partition_count; + mb_type= p_mb_type_info[mb_type].type; + }else{ + mb_type -= 5; + goto decode_intra_mb; + } + }else{ + assert(h->slice_type_nos == FF_I_TYPE); + if(h->slice_type == FF_SI_TYPE && mb_type) + mb_type--; +decode_intra_mb: + if(mb_type > 25){ + av_log(h->s.avctx, AV_LOG_ERROR, "mb_type %d in %c slice too large at %d %d\n", mb_type, av_get_pict_type_char(h->slice_type), s->mb_x, s->mb_y); + return -1; + } + partition_count=0; + cbp= i_mb_type_info[mb_type].cbp; + h->intra16x16_pred_mode= i_mb_type_info[mb_type].pred_mode; + mb_type= i_mb_type_info[mb_type].type; + } + + if(MB_FIELD) + mb_type |= MB_TYPE_INTERLACED; + + h->slice_table[ mb_xy ]= h->slice_num; + + if(IS_INTRA_PCM(mb_type)){ + unsigned int x; + + // We assume these blocks are very rare so we do not optimize it. + align_get_bits(&s->gb); + + // The pixels are stored in the same order as levels in h->mb array. + for(x=0; x < (CHROMA ? 384 : 256); x++){ + ((uint8_t*)h->mb)[x]= get_bits(&s->gb, 8); + } + + // In deblocking, the quantizer is 0 + s->current_picture.qscale_table[mb_xy]= 0; + // All coeffs are present + memset(h->non_zero_count[mb_xy], 16, 16); + + s->current_picture.mb_type[mb_xy]= mb_type; + return 0; + } + + if(MB_MBAFF){ + h->ref_count[0] <<= 1; + h->ref_count[1] <<= 1; + } + + fill_caches(h, mb_type, 0); + + //mb_pred + if(IS_INTRA(mb_type)){ + int pred_mode; +// init_top_left_availability(h); + if(IS_INTRA4x4(mb_type)){ + int i; + int di = 1; + if(dct8x8_allowed && get_bits1(&s->gb)){ + mb_type |= MB_TYPE_8x8DCT; + di = 4; + } + +// fill_intra4x4_pred_table(h); + for(i=0; i<16; i+=di){ + int mode= pred_intra_mode(h, i); + + if(!get_bits1(&s->gb)){ + const int rem_mode= get_bits(&s->gb, 3); + mode = rem_mode + (rem_mode >= mode); + } + + if(di==4) + fill_rectangle( &h->intra4x4_pred_mode_cache[ scan8[i] ], 2, 2, 8, mode, 1 ); + else + h->intra4x4_pred_mode_cache[ scan8[i] ] = mode; + } + ff_h264_write_back_intra_pred_mode(h); + if( ff_h264_check_intra4x4_pred_mode(h) < 0) + return -1; + }else{ + h->intra16x16_pred_mode= ff_h264_check_intra_pred_mode(h, h->intra16x16_pred_mode); + if(h->intra16x16_pred_mode < 0) + return -1; + } + if(CHROMA){ + pred_mode= ff_h264_check_intra_pred_mode(h, get_ue_golomb_31(&s->gb)); + if(pred_mode < 0) + return -1; + h->chroma_pred_mode= pred_mode; + } + }else if(partition_count==4){ + int i, j, sub_partition_count[4], list, ref[2][4]; + + if(h->slice_type_nos == FF_B_TYPE){ + for(i=0; i<4; i++){ + h->sub_mb_type[i]= get_ue_golomb_31(&s->gb); + if(h->sub_mb_type[i] >=13){ + av_log(h->s.avctx, AV_LOG_ERROR, "B sub_mb_type %u out of range at %d %d\n", h->sub_mb_type[i], s->mb_x, s->mb_y); + return -1; + } + sub_partition_count[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count; + h->sub_mb_type[i]= b_sub_mb_type_info[ h->sub_mb_type[i] ].type; + } + if( IS_DIRECT(h->sub_mb_type[0]) || IS_DIRECT(h->sub_mb_type[1]) + || IS_DIRECT(h->sub_mb_type[2]) || IS_DIRECT(h->sub_mb_type[3])) { + ff_h264_pred_direct_motion(h, &mb_type); + h->ref_cache[0][scan8[4]] = + h->ref_cache[1][scan8[4]] = + h->ref_cache[0][scan8[12]] = + h->ref_cache[1][scan8[12]] = PART_NOT_AVAILABLE; + } + }else{ + assert(h->slice_type_nos == FF_P_TYPE); //FIXME SP correct ? + for(i=0; i<4; i++){ + h->sub_mb_type[i]= get_ue_golomb_31(&s->gb); + if(h->sub_mb_type[i] >=4){ + av_log(h->s.avctx, AV_LOG_ERROR, "P sub_mb_type %u out of range at %d %d\n", h->sub_mb_type[i], s->mb_x, s->mb_y); + return -1; + } + sub_partition_count[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].partition_count; + h->sub_mb_type[i]= p_sub_mb_type_info[ h->sub_mb_type[i] ].type; + } + } + + for(list=0; list<h->list_count; list++){ + int ref_count= IS_REF0(mb_type) ? 1 : h->ref_count[list]; + for(i=0; i<4; i++){ + if(IS_DIRECT(h->sub_mb_type[i])) continue; + if(IS_DIR(h->sub_mb_type[i], 0, list)){ + unsigned int tmp; + if(ref_count == 1){ + tmp= 0; + }else if(ref_count == 2){ + tmp= get_bits1(&s->gb)^1; + }else{ + tmp= get_ue_golomb_31(&s->gb); + if(tmp>=ref_count){ + av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\n", tmp); + return -1; + } + } + ref[list][i]= tmp; + }else{ + //FIXME + ref[list][i] = -1; + } + } + } + + if(dct8x8_allowed) + dct8x8_allowed = get_dct8x8_allowed(h); + + for(list=0; list<h->list_count; list++){ + for(i=0; i<4; i++){ + if(IS_DIRECT(h->sub_mb_type[i])) { + h->ref_cache[list][ scan8[4*i] ] = h->ref_cache[list][ scan8[4*i]+1 ]; + continue; + } + h->ref_cache[list][ scan8[4*i] ]=h->ref_cache[list][ scan8[4*i]+1 ]= + h->ref_cache[list][ scan8[4*i]+8 ]=h->ref_cache[list][ scan8[4*i]+9 ]= ref[list][i]; + + if(IS_DIR(h->sub_mb_type[i], 0, list)){ + const int sub_mb_type= h->sub_mb_type[i]; + const int block_width= (sub_mb_type & (MB_TYPE_16x16|MB_TYPE_16x8)) ? 2 : 1; + for(j=0; j<sub_partition_count[i]; j++){ + int mx, my; + const int index= 4*i + block_width*j; + int16_t (* mv_cache)[2]= &h->mv_cache[list][ scan8[index] ]; + pred_motion(h, index, block_width, list, h->ref_cache[list][ scan8[index] ], &mx, &my); + mx += get_se_golomb(&s->gb); + my += get_se_golomb(&s->gb); + tprintf(s->avctx, "final mv:%d %d\n", mx, my); + + if(IS_SUB_8X8(sub_mb_type)){ + mv_cache[ 1 ][0]= + mv_cache[ 8 ][0]= mv_cache[ 9 ][0]= mx; + mv_cache[ 1 ][1]= + mv_cache[ 8 ][1]= mv_cache[ 9 ][1]= my; + }else if(IS_SUB_8X4(sub_mb_type)){ + mv_cache[ 1 ][0]= mx; + mv_cache[ 1 ][1]= my; + }else if(IS_SUB_4X8(sub_mb_type)){ + mv_cache[ 8 ][0]= mx; + mv_cache[ 8 ][1]= my; + } + mv_cache[ 0 ][0]= mx; + mv_cache[ 0 ][1]= my; + } + }else{ + uint32_t *p= (uint32_t *)&h->mv_cache[list][ scan8[4*i] ][0]; + p[0] = p[1]= + p[8] = p[9]= 0; + } + } + } + }else if(IS_DIRECT(mb_type)){ + ff_h264_pred_direct_motion(h, &mb_type); + dct8x8_allowed &= h->sps.direct_8x8_inference_flag; + }else{ + int list, mx, my, i; + //FIXME we should set ref_idx_l? to 0 if we use that later ... + if(IS_16X16(mb_type)){ + for(list=0; list<h->list_count; list++){ + unsigned int val; + if(IS_DIR(mb_type, 0, list)){ + if(h->ref_count[list]==1){ + val= 0; + }else if(h->ref_count[list]==2){ + val= get_bits1(&s->gb)^1; + }else{ + val= get_ue_golomb_31(&s->gb); + if(val >= h->ref_count[list]){ + av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\n", val); + return -1; + } + } + }else + val= LIST_NOT_USED&0xFF; + fill_rectangle(&h->ref_cache[list][ scan8[0] ], 4, 4, 8, val, 1); + } + for(list=0; list<h->list_count; list++){ + unsigned int val; + if(IS_DIR(mb_type, 0, list)){ + pred_motion(h, 0, 4, list, h->ref_cache[list][ scan8[0] ], &mx, &my); + mx += get_se_golomb(&s->gb); + my += get_se_golomb(&s->gb); + tprintf(s->avctx, "final mv:%d %d\n", mx, my); + + val= pack16to32(mx,my); + }else + val=0; + fill_rectangle(h->mv_cache[list][ scan8[0] ], 4, 4, 8, val, 4); + } + } + else if(IS_16X8(mb_type)){ + for(list=0; list<h->list_count; list++){ + for(i=0; i<2; i++){ + unsigned int val; + if(IS_DIR(mb_type, i, list)){ + if(h->ref_count[list] == 1){ + val= 0; + }else if(h->ref_count[list] == 2){ + val= get_bits1(&s->gb)^1; + }else{ + val= get_ue_golomb_31(&s->gb); + if(val >= h->ref_count[list]){ + av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\n", val); + return -1; + } + } + }else + val= LIST_NOT_USED&0xFF; + fill_rectangle(&h->ref_cache[list][ scan8[0] + 16*i ], 4, 2, 8, val, 1); + } + } + for(list=0; list<h->list_count; list++){ + for(i=0; i<2; i++){ + unsigned int val; + if(IS_DIR(mb_type, i, list)){ + pred_16x8_motion(h, 8*i, list, h->ref_cache[list][scan8[0] + 16*i], &mx, &my); + mx += get_se_golomb(&s->gb); + my += get_se_golomb(&s->gb); + tprintf(s->avctx, "final mv:%d %d\n", mx, my); + + val= pack16to32(mx,my); + }else + val=0; + fill_rectangle(h->mv_cache[list][ scan8[0] + 16*i ], 4, 2, 8, val, 4); + } + } + }else{ + assert(IS_8X16(mb_type)); + for(list=0; list<h->list_count; list++){ + for(i=0; i<2; i++){ + unsigned int val; + if(IS_DIR(mb_type, i, list)){ //FIXME optimize + if(h->ref_count[list]==1){ + val= 0; + }else if(h->ref_count[list]==2){ + val= get_bits1(&s->gb)^1; + }else{ + val= get_ue_golomb_31(&s->gb); + if(val >= h->ref_count[list]){ + av_log(h->s.avctx, AV_LOG_ERROR, "ref %u overflow\n", val); + return -1; + } + } + }else + val= LIST_NOT_USED&0xFF; + fill_rectangle(&h->ref_cache[list][ scan8[0] + 2*i ], 2, 4, 8, val, 1); + } + } + for(list=0; list<h->list_count; list++){ + for(i=0; i<2; i++){ + unsigned int val; + if(IS_DIR(mb_type, i, list)){ + pred_8x16_motion(h, i*4, list, h->ref_cache[list][ scan8[0] + 2*i ], &mx, &my); + mx += get_se_golomb(&s->gb); + my += get_se_golomb(&s->gb); + tprintf(s->avctx, "final mv:%d %d\n", mx, my); + + val= pack16to32(mx,my); + }else + val=0; + fill_rectangle(h->mv_cache[list][ scan8[0] + 2*i ], 2, 4, 8, val, 4); + } + } + } + } + + if(IS_INTER(mb_type)) + write_back_motion(h, mb_type); + + if(!IS_INTRA16x16(mb_type)){ + cbp= get_ue_golomb(&s->gb); + if(cbp > 47){ + av_log(h->s.avctx, AV_LOG_ERROR, "cbp too large (%u) at %d %d\n", cbp, s->mb_x, s->mb_y); + return -1; + } + + if(CHROMA){ + if(IS_INTRA4x4(mb_type)) cbp= golomb_to_intra4x4_cbp[cbp]; + else cbp= golomb_to_inter_cbp [cbp]; + }else{ + if(IS_INTRA4x4(mb_type)) cbp= golomb_to_intra4x4_cbp_gray[cbp]; + else cbp= golomb_to_inter_cbp_gray[cbp]; + } + } + h->cbp = cbp; + + if(dct8x8_allowed && (cbp&15) && !IS_INTRA(mb_type)){ + if(get_bits1(&s->gb)){ + mb_type |= MB_TYPE_8x8DCT; + h->cbp_table[mb_xy]= cbp; + } + } + s->current_picture.mb_type[mb_xy]= mb_type; + + if(cbp || IS_INTRA16x16(mb_type)){ + int i8x8, i4x4, chroma_idx; + int dquant; + GetBitContext *gb= IS_INTRA(mb_type) ? h->intra_gb_ptr : h->inter_gb_ptr; + const uint8_t *scan, *scan8x8, *dc_scan; + +// fill_non_zero_count_cache(h); + + if(IS_INTERLACED(mb_type)){ + scan8x8= s->qscale ? h->field_scan8x8_cavlc : h->field_scan8x8_cavlc_q0; + scan= s->qscale ? h->field_scan : h->field_scan_q0; + dc_scan= luma_dc_field_scan; + }else{ + scan8x8= s->qscale ? h->zigzag_scan8x8_cavlc : h->zigzag_scan8x8_cavlc_q0; + scan= s->qscale ? h->zigzag_scan : h->zigzag_scan_q0; + dc_scan= luma_dc_zigzag_scan; + } + + dquant= get_se_golomb(&s->gb); + + if( dquant > 25 || dquant < -26 ){ + av_log(h->s.avctx, AV_LOG_ERROR, "dquant out of range (%d) at %d %d\n", dquant, s->mb_x, s->mb_y); + return -1; + } + + s->qscale += dquant; + if(((unsigned)s->qscale) > 51){ + if(s->qscale<0) s->qscale+= 52; + else s->qscale-= 52; + } + + h->chroma_qp[0]= get_chroma_qp(h, 0, s->qscale); + h->chroma_qp[1]= get_chroma_qp(h, 1, s->qscale); + if(IS_INTRA16x16(mb_type)){ + if( decode_residual(h, h->intra_gb_ptr, h->mb, LUMA_DC_BLOCK_INDEX, dc_scan, h->dequant4_coeff[0][s->qscale], 16) < 0){ + return -1; //FIXME continue if partitioned and other return -1 too + } + + assert((cbp&15) == 0 || (cbp&15) == 15); + + if(cbp&15){ + for(i8x8=0; i8x8<4; i8x8++){ + for(i4x4=0; i4x4<4; i4x4++){ + const int index= i4x4 + 4*i8x8; + if( decode_residual(h, h->intra_gb_ptr, h->mb + 16*index, index, scan + 1, h->dequant4_coeff[0][s->qscale], 15) < 0 ){ + return -1; + } + } + } + }else{ + fill_rectangle(&h->non_zero_count_cache[scan8[0]], 4, 4, 8, 0, 1); + } + }else{ + for(i8x8=0; i8x8<4; i8x8++){ + if(cbp & (1<<i8x8)){ + if(IS_8x8DCT(mb_type)){ + DCTELEM *buf = &h->mb[64*i8x8]; + uint8_t *nnz; + for(i4x4=0; i4x4<4; i4x4++){ + if( decode_residual(h, gb, buf, i4x4+4*i8x8, scan8x8+16*i4x4, + h->dequant8_coeff[IS_INTRA( mb_type ) ? 0:1][s->qscale], 16) <0 ) + return -1; + } + nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ]; + nnz[0] += nnz[1] + nnz[8] + nnz[9]; + }else{ + for(i4x4=0; i4x4<4; i4x4++){ + const int index= i4x4 + 4*i8x8; + + if( decode_residual(h, gb, h->mb + 16*index, index, scan, h->dequant4_coeff[IS_INTRA( mb_type ) ? 0:3][s->qscale], 16) <0 ){ + return -1; + } + } + } + }else{ + uint8_t * const nnz= &h->non_zero_count_cache[ scan8[4*i8x8] ]; + nnz[0] = nnz[1] = nnz[8] = nnz[9] = 0; + } + } + } + + if(cbp&0x30){ + for(chroma_idx=0; chroma_idx<2; chroma_idx++) + if( decode_residual(h, gb, h->mb + 256 + 16*4*chroma_idx, CHROMA_DC_BLOCK_INDEX, chroma_dc_scan, NULL, 4) < 0){ + return -1; + } + } + + if(cbp&0x20){ + for(chroma_idx=0; chroma_idx<2; chroma_idx++){ + const uint32_t *qmul = h->dequant4_coeff[chroma_idx+1+(IS_INTRA( mb_type ) ? 0:3)][h->chroma_qp[chroma_idx]]; + for(i4x4=0; i4x4<4; i4x4++){ + const int index= 16 + 4*chroma_idx + i4x4; + if( decode_residual(h, gb, h->mb + 16*index, index, scan + 1, qmul, 15) < 0){ + return -1; + } + } + } + }else{ + uint8_t * const nnz= &h->non_zero_count_cache[0]; + nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] = + nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0; + } + }else{ + uint8_t * const nnz= &h->non_zero_count_cache[0]; + fill_rectangle(&nnz[scan8[0]], 4, 4, 8, 0, 1); + nnz[ scan8[16]+0 ] = nnz[ scan8[16]+1 ] =nnz[ scan8[16]+8 ] =nnz[ scan8[16]+9 ] = + nnz[ scan8[20]+0 ] = nnz[ scan8[20]+1 ] =nnz[ scan8[20]+8 ] =nnz[ scan8[20]+9 ] = 0; + } + s->current_picture.qscale_table[mb_xy]= s->qscale; + write_back_non_zero_count(h); + + if(MB_MBAFF){ + h->ref_count[0] >>= 1; + h->ref_count[1] >>= 1; + } + + return 0; +} + diff --git a/libavcodec/h264data.h b/libavcodec/h264data.h index 5a22519375..f189781c24 100644 --- a/libavcodec/h264data.h +++ b/libavcodec/h264data.h @@ -38,173 +38,6 @@ static const uint8_t golomb_to_pict_type[5]= {FF_P_TYPE, FF_B_TYPE, FF_I_TYPE, FF_SP_TYPE, FF_SI_TYPE}; -static const uint8_t golomb_to_intra4x4_cbp[48]={ - 47, 31, 15, 0, 23, 27, 29, 30, 7, 11, 13, 14, 39, 43, 45, 46, - 16, 3, 5, 10, 12, 19, 21, 26, 28, 35, 37, 42, 44, 1, 2, 4, - 8, 17, 18, 20, 24, 6, 9, 22, 25, 32, 33, 34, 36, 40, 38, 41 -}; - -static const uint8_t golomb_to_inter_cbp[48]={ - 0, 16, 1, 2, 4, 8, 32, 3, 5, 10, 12, 15, 47, 7, 11, 13, - 14, 6, 9, 31, 35, 37, 42, 44, 33, 34, 36, 40, 39, 43, 45, 46, - 17, 18, 20, 24, 19, 21, 26, 28, 23, 27, 29, 30, 22, 25, 38, 41 -}; - -static const uint8_t golomb_to_inter_cbp_gray[16]={ - 0, 1, 2, 4, 8, 3, 5,10,12,15, 7,11,13,14, 6, 9, -}; - -static const uint8_t golomb_to_intra4x4_cbp_gray[16]={ -15, 0, 7,11,13,14, 3, 5,10,12, 1, 2, 4, 8, 6, 9, -}; - -static const uint8_t chroma_dc_coeff_token_len[4*5]={ - 2, 0, 0, 0, - 6, 1, 0, 0, - 6, 6, 3, 0, - 6, 7, 7, 6, - 6, 8, 8, 7, -}; - -static const uint8_t chroma_dc_coeff_token_bits[4*5]={ - 1, 0, 0, 0, - 7, 1, 0, 0, - 4, 6, 1, 0, - 3, 3, 2, 5, - 2, 3, 2, 0, -}; - -static const uint8_t coeff_token_len[4][4*17]={ -{ - 1, 0, 0, 0, - 6, 2, 0, 0, 8, 6, 3, 0, 9, 8, 7, 5, 10, 9, 8, 6, - 11,10, 9, 7, 13,11,10, 8, 13,13,11, 9, 13,13,13,10, - 14,14,13,11, 14,14,14,13, 15,15,14,14, 15,15,15,14, - 16,15,15,15, 16,16,16,15, 16,16,16,16, 16,16,16,16, -}, -{ - 2, 0, 0, 0, - 6, 2, 0, 0, 6, 5, 3, 0, 7, 6, 6, 4, 8, 6, 6, 4, - 8, 7, 7, 5, 9, 8, 8, 6, 11, 9, 9, 6, 11,11,11, 7, - 12,11,11, 9, 12,12,12,11, 12,12,12,11, 13,13,13,12, - 13,13,13,13, 13,14,13,13, 14,14,14,13, 14,14,14,14, -}, -{ - 4, 0, 0, 0, - 6, 4, 0, 0, 6, 5, 4, 0, 6, 5, 5, 4, 7, 5, 5, 4, - 7, 5, 5, 4, 7, 6, 6, 4, 7, 6, 6, 4, 8, 7, 7, 5, - 8, 8, 7, 6, 9, 8, 8, 7, 9, 9, 8, 8, 9, 9, 9, 8, - 10, 9, 9, 9, 10,10,10,10, 10,10,10,10, 10,10,10,10, -}, -{ - 6, 0, 0, 0, - 6, 6, 0, 0, 6, 6, 6, 0, 6, 6, 6, 6, 6, 6, 6, 6, - 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, - 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, - 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, -} -}; - -static const uint8_t coeff_token_bits[4][4*17]={ -{ - 1, 0, 0, 0, - 5, 1, 0, 0, 7, 4, 1, 0, 7, 6, 5, 3, 7, 6, 5, 3, - 7, 6, 5, 4, 15, 6, 5, 4, 11,14, 5, 4, 8,10,13, 4, - 15,14, 9, 4, 11,10,13,12, 15,14, 9,12, 11,10,13, 8, - 15, 1, 9,12, 11,14,13, 8, 7,10, 9,12, 4, 6, 5, 8, -}, -{ - 3, 0, 0, 0, - 11, 2, 0, 0, 7, 7, 3, 0, 7,10, 9, 5, 7, 6, 5, 4, - 4, 6, 5, 6, 7, 6, 5, 8, 15, 6, 5, 4, 11,14,13, 4, - 15,10, 9, 4, 11,14,13,12, 8,10, 9, 8, 15,14,13,12, - 11,10, 9,12, 7,11, 6, 8, 9, 8,10, 1, 7, 6, 5, 4, -}, -{ - 15, 0, 0, 0, - 15,14, 0, 0, 11,15,13, 0, 8,12,14,12, 15,10,11,11, - 11, 8, 9,10, 9,14,13, 9, 8,10, 9, 8, 15,14,13,13, - 11,14,10,12, 15,10,13,12, 11,14, 9,12, 8,10,13, 8, - 13, 7, 9,12, 9,12,11,10, 5, 8, 7, 6, 1, 4, 3, 2, -}, -{ - 3, 0, 0, 0, - 0, 1, 0, 0, 4, 5, 6, 0, 8, 9,10,11, 12,13,14,15, - 16,17,18,19, 20,21,22,23, 24,25,26,27, 28,29,30,31, - 32,33,34,35, 36,37,38,39, 40,41,42,43, 44,45,46,47, - 48,49,50,51, 52,53,54,55, 56,57,58,59, 60,61,62,63, -} -}; - -static const uint8_t total_zeros_len[16][16]= { - {1,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9}, - {3,3,3,3,3,4,4,4,4,5,5,6,6,6,6}, - {4,3,3,3,4,4,3,3,4,5,5,6,5,6}, - {5,3,4,4,3,3,3,4,3,4,5,5,5}, - {4,4,4,3,3,3,3,3,4,5,4,5}, - {6,5,3,3,3,3,3,3,4,3,6}, - {6,5,3,3,3,2,3,4,3,6}, - {6,4,5,3,2,2,3,3,6}, - {6,6,4,2,2,3,2,5}, - {5,5,3,2,2,2,4}, - {4,4,3,3,1,3}, - {4,4,2,1,3}, - {3,3,1,2}, - {2,2,1}, - {1,1}, -}; - -static const uint8_t total_zeros_bits[16][16]= { - {1,3,2,3,2,3,2,3,2,3,2,3,2,3,2,1}, - {7,6,5,4,3,5,4,3,2,3,2,3,2,1,0}, - {5,7,6,5,4,3,4,3,2,3,2,1,1,0}, - {3,7,5,4,6,5,4,3,3,2,2,1,0}, - {5,4,3,7,6,5,4,3,2,1,1,0}, - {1,1,7,6,5,4,3,2,1,1,0}, - {1,1,5,4,3,3,2,1,1,0}, - {1,1,1,3,3,2,2,1,0}, - {1,0,1,3,2,1,1,1}, - {1,0,1,3,2,1,1}, - {0,1,1,2,1,3}, - {0,1,1,1,1}, - {0,1,1,1}, - {0,1,1}, - {0,1}, -}; - -static const uint8_t chroma_dc_total_zeros_len[3][4]= { - { 1, 2, 3, 3,}, - { 1, 2, 2, 0,}, - { 1, 1, 0, 0,}, -}; - -static const uint8_t chroma_dc_total_zeros_bits[3][4]= { - { 1, 1, 1, 0,}, - { 1, 1, 0, 0,}, - { 1, 0, 0, 0,}, -}; - -static const uint8_t run_len[7][16]={ - {1,1}, - {1,2,2}, - {2,2,2,2}, - {2,2,2,3,3}, - {2,2,3,3,3,3}, - {2,3,3,3,3,3,3}, - {3,3,3,3,3,3,3,4,5,6,7,8,9,10,11}, -}; - -static const uint8_t run_bits[7][16]={ - {1,0}, - {1,1,0}, - {3,2,1,0}, - {3,2,1,1,0}, - {3,2,3,2,1,0}, - {3,0,1,3,2,5,4}, - {7,6,5,4,3,2,1,1,1,1,1,1,1,1,1}, -}; - - static const uint8_t zigzag_scan[16]={ 0+0*4, 1+0*4, 0+1*4, 0+2*4, 1+1*4, 2+0*4, 3+0*4, 2+1*4, |