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Fix SVQ3

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Regression in r26336-7.

Originally committed as revision 26341 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Jason Garrett-Glaser 2011-01-14 22:23:42 +00:00
parent 0f27e6b4c2
commit 2e18660115
3 changed files with 23 additions and 19 deletions
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2
libavcodec/dsputil.h
View File

@ -65,7 +65,7 @@ void ff_h264_idct8_add4_c(uint8_t *dst, const int *blockoffset, DCTELEM *block,
void ff_h264_idct_add8_c(uint8_t **dest, const int *blockoffset, DCTELEM *block, int stride, const uint8_t nnzc[6*8]);
void ff_h264_luma_dc_dequant_idct_c(DCTELEM *output, DCTELEM *input, int qmul);
void ff_svq3_luma_dc_dequant_idct_c(DCTELEM *output, DCTELEM *input, int qp);
void ff_svq3_luma_dc_dequant_idct_c(DCTELEM *block, int qp);
void ff_svq3_add_idct_c(uint8_t *dst, DCTELEM *block, int stride, int qp, int dc);
void ff_vector_fmul_window_c(float *dst, const float *src0, const float *src1,

20
libavcodec/h264.c
View File

@ -1203,8 +1203,8 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
}
}else{
h->hpc.pred16x16[ h->intra16x16_pred_mode ](dest_y , linesize);
if(h->non_zero_count_cache[ scan8[LUMA_DC_BLOCK_INDEX] ]){
if(is_h264){
if(is_h264){
if(h->non_zero_count_cache[ scan8[LUMA_DC_BLOCK_INDEX] ]){
if(!transform_bypass)
h->h264dsp.h264_luma_dc_dequant_idct(h->mb, h->mb_luma_dc, h->dequant4_coeff[0][s->qscale][0]);
else{
@ -1213,9 +1213,9 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
for(i = 0; i < 16; i++)
h->mb[dc_mapping[i]] = h->mb_luma_dc[i];
}
}else
ff_svq3_luma_dc_dequant_idct_c(h->mb, h->mb_luma_dc, s->qscale);
}
}
}else
ff_svq3_luma_dc_dequant_idct_c(h->mb, s->qscale);
}
if(h->deblocking_filter)
xchg_mb_border(h, dest_y, dest_cb, dest_cr, linesize, uvlinesize, 0, simple);
@ -1283,15 +1283,17 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple){
}
}
}else{
if(h->non_zero_count_cache[ scan8[CHROMA_DC_BLOCK_INDEX+0] ])
chroma_dc_dequant_idct_c(h->mb + 16*16 , h->chroma_qp[0], h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp[0]][0]);
if(h->non_zero_count_cache[ scan8[CHROMA_DC_BLOCK_INDEX+1] ])
chroma_dc_dequant_idct_c(h->mb + 16*16+4*16, h->chroma_qp[1], h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp[1]][0]);
if(is_h264){
if(h->non_zero_count_cache[ scan8[CHROMA_DC_BLOCK_INDEX+0] ])
chroma_dc_dequant_idct_c(h->mb + 16*16 , h->chroma_qp[0], h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp[0]][0]);
if(h->non_zero_count_cache[ scan8[CHROMA_DC_BLOCK_INDEX+1] ])
chroma_dc_dequant_idct_c(h->mb + 16*16+4*16, h->chroma_qp[1], h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp[1]][0]);
h->h264dsp.h264_idct_add8(dest, block_offset,
h->mb, uvlinesize,
h->non_zero_count_cache);
}else{
chroma_dc_dequant_idct_c(h->mb + 16*16 , h->chroma_qp[0], h->dequant4_coeff[IS_INTRA(mb_type) ? 1:4][h->chroma_qp[0]][0]);
chroma_dc_dequant_idct_c(h->mb + 16*16+4*16, h->chroma_qp[1], h->dequant4_coeff[IS_INTRA(mb_type) ? 2:5][h->chroma_qp[1]][0]);
for(i=16; i<16+8; i++){
if(h->non_zero_count_cache[ scan8[i] ] || h->mb[i*16]){
uint8_t * const ptr= dest[(i&4)>>2] + block_offset[i];

20
libavcodec/svq3.c
View File

@ -126,19 +126,21 @@ static const uint32_t svq3_dequant_coeff[32] = {
};
void ff_svq3_luma_dc_dequant_idct_c(DCTELEM *output, DCTELEM *input, int qp)
void ff_svq3_luma_dc_dequant_idct_c(DCTELEM *block, int qp)
{
const int qmul = svq3_dequant_coeff[qp];
#define stride 16
int i;
int temp[16];
static const int x_offset[4] = {0, 1*stride, 4* stride, 5*stride};
static const int y_offset[4] = {0, 2*stride, 8* stride, 10*stride};
for (i = 0; i < 4; i++){
const int z0= 13*(input[4*i+0] + input[4*i+1]);
const int z1= 13*(input[4*i+0] - input[4*i+1]);
const int z2= 7* input[4*i+2] - 17*input[4*i+3];
const int z3= 17* input[4*i+2] + 7*input[4*i+3];
const int offset = y_offset[i];
const int z0 = 13*(block[offset+stride*0] + block[offset+stride*4]);
const int z1 = 13*(block[offset+stride*0] - block[offset+stride*4]);
const int z2 = 7* block[offset+stride*1] - 17*block[offset+stride*5];
const int z3 = 17* block[offset+stride*1] + 7*block[offset+stride*5];
temp[4*i+0] = z0+z3;
temp[4*i+1] = z1+z2;
@ -153,10 +155,10 @@ void ff_svq3_luma_dc_dequant_idct_c(DCTELEM *output, DCTELEM *input, int qp)
const int z2 = 7* temp[4*1+i] - 17*temp[4*3+i];
const int z3 = 17* temp[4*1+i] + 7*temp[4*3+i];
output[stride*0 +offset] = ((z0 + z3)*qmul + 0x80000) >> 20;
output[stride*2 +offset] = ((z1 + z2)*qmul + 0x80000) >> 20;
output[stride*8 +offset] = ((z1 - z2)*qmul + 0x80000) >> 20;
output[stride*10+offset] = ((z0 - z3)*qmul + 0x80000) >> 20;
block[stride*0 +offset] = ((z0 + z3)*qmul + 0x80000) >> 20;
block[stride*2 +offset] = ((z1 + z2)*qmul + 0x80000) >> 20;
block[stride*8 +offset] = ((z1 - z2)*qmul + 0x80000) >> 20;
block[stride*10+offset] = ((z0 - z3)*qmul + 0x80000) >> 20;
}
}
#undef stride