static av_always_inline void decode_cabac_luma_residual(const H264Context *h, H264SliceContext *sl, const uint8_t *scan, const uint8_t *scan8x8, int pixel_shift, int mb_type, int cbp, int p) { static const uint8_t ctx_cat[4][3] = {{0,6,10},{1,7,11},{2,8,12},{5,9,13}}; const uint32_t *qmul; int i8x8, i4x4; int qscale = p == 0 ? sl->qscale : sl->chroma_qp[p - 1]; if( IS_INTRA16x16( mb_type ) ) { AV_ZERO128(sl->mb_luma_dc[p]+0); AV_ZERO128(sl->mb_luma_dc[p]+8); AV_ZERO128(sl->mb_luma_dc[p]+16); AV_ZERO128(sl->mb_luma_dc[p]+24); decode_cabac_residual_dc(h, sl, sl->mb_luma_dc[p], ctx_cat[0][p], LUMA_DC_BLOCK_INDEX+p, scan, 16); if( cbp&15 ) { qmul = h->dequant4_coeff[p][qscale]; for( i4x4 = 0; i4x4 < 16; i4x4++ ) { const int index = 16*p + i4x4; decode_cabac_residual_nondc(h, sl, sl->mb + (16*index << pixel_shift), ctx_cat[1][p], index, scan + 1, qmul, 15); } } else { fill_rectangle(&sl->non_zero_count_cache[scan8[16*p]], 4, 4, 8, 0, 1); } } else { int cqm = (IS_INTRA( mb_type ) ? 0:3) + p; for( i8x8 = 0; i8x8 < 4; i8x8++ ) { if( cbp & (1<<i8x8) ) { if( IS_8x8DCT(mb_type) ) { const int index = 16*p + 4*i8x8; decode_cabac_residual_nondc(h, sl, sl->mb + (16*index << pixel_shift), ctx_cat[3][p], index, scan8x8, h->dequant8_coeff[cqm][qscale], 64); } else { qmul = h->dequant4_coeff[cqm][qscale]; for( i4x4 = 0; i4x4 < 4; i4x4++ ) { const int index = 16*p + 4*i8x8 + i4x4; //START_TIMER decode_cabac_residual_nondc(h, sl, sl->mb + (16*index << pixel_shift), ctx_cat[2][p], index, scan, qmul, 16); //STOP_TIMER("decode_residual") } } } else { fill_rectangle(&sl->non_zero_count_cache[scan8[4*i8x8+16*p]], 2, 2, 8, 0, 1); } } } }