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ffmpeg
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h264: fix PCM intra-coded blocks in monochrome case 

Signed-off-by: Diego Biurrun <diego@biurrun.de>
This commit is contained in:
Jeff Downs 2011-07-05 13:20:06 -04:00 committed by Diego Biurrun
parent 87cf70eb23
commit 6581e161c5
1 changed files with 34 additions and 12 deletions
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46
libavcodec/h264.c
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@ -1824,15 +1824,30 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple, i
tmp_y[j] = get_bits(&gb, bit_depth);
}
if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
for (i = 0; i < 8; i++) {
uint16_t *tmp_cb = (uint16_t*)(dest_cb + i*uvlinesize);
for (j = 0; j < 8; j++)
tmp_cb[j] = get_bits(&gb, bit_depth);
}
for (i = 0; i < 8; i++) {
uint16_t *tmp_cr = (uint16_t*)(dest_cr + i*uvlinesize);
for (j = 0; j < 8; j++)
tmp_cr[j] = get_bits(&gb, bit_depth);
if (!h->sps.chroma_format_idc) {
for (i = 0; i < 8; i++) {
uint16_t *tmp_cb = (uint16_t*)(dest_cb + i*uvlinesize);
for (j = 0; j < 8; j++) {
tmp_cb[j] = 1 << (bit_depth - 1);
}
}
for (i = 0; i < 8; i++) {
uint16_t *tmp_cr = (uint16_t*)(dest_cr + i*uvlinesize);
for (j = 0; j < 8; j++) {
tmp_cr[j] = 1 << (bit_depth - 1);
}
}
} else {
for (i = 0; i < 8; i++) {
uint16_t *tmp_cb = (uint16_t*)(dest_cb + i*uvlinesize);
for (j = 0; j < 8; j++)
tmp_cb[j] = get_bits(&gb, bit_depth);
}
for (i = 0; i < 8; i++) {
uint16_t *tmp_cr = (uint16_t*)(dest_cr + i*uvlinesize);
for (j = 0; j < 8; j++)
tmp_cr[j] = get_bits(&gb, bit_depth);
}
}
}
} else {
@ -1840,9 +1855,16 @@ static av_always_inline void hl_decode_mb_internal(H264Context *h, int simple, i
memcpy(dest_y + i* linesize, h->mb + i*8, 16);
}
if(simple || !CONFIG_GRAY || !(s->flags&CODEC_FLAG_GRAY)){
for (i=0; i<8; i++) {
memcpy(dest_cb+ i*uvlinesize, h->mb + 128 + i*4, 8);
memcpy(dest_cr+ i*uvlinesize, h->mb + 160 + i*4, 8);
if (!h->sps.chroma_format_idc) {
for (i = 0; i < 8; i++) {
memset(dest_cb + i*uvlinesize, 128, 8);
memset(dest_cr + i*uvlinesize, 128, 8);
}
} else {
for (i = 0; i < 8; i++) {
memcpy(dest_cb + i*uvlinesize, h->mb + 128 + i*4, 8);
memcpy(dest_cr + i*uvlinesize, h->mb + 160 + i*4, 8);
}
}
}
}