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hevc: fix pcm with different chroma luma bit widths(cherry picked from commit 6a444516f338424d062c0ef2806714036283603b)

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Mickaël Raulet 2013-10-16 16:03:57 +02:00 committed by Michael Niedermayer
parent b494894390
commit a7e300649a
3 changed files with 4 additions and 13 deletions
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4
libavcodec/hevc.c
View File

@ -1426,8 +1426,8 @@ static int hls_pcm_sample(HEVCContext *s, int x0, int y0, int log2_cb_size)
return ret;
s->hevcdsp.put_pcm(dst0, stride0, cb_size, &gb, s->sps->pcm.bit_depth);
s->hevcdsp.put_pcm(dst1, stride1, cb_size / 2, &gb, s->sps->pcm.bit_depth);
s->hevcdsp.put_pcm(dst2, stride2, cb_size / 2, &gb, s->sps->pcm.bit_depth);
s->hevcdsp.put_pcm(dst1, stride1, cb_size / 2, &gb, s->sps->pcm.bit_depth_chroma);
s->hevcdsp.put_pcm(dst2, stride2, cb_size / 2, &gb, s->sps->pcm.bit_depth_chroma);
return 0;
}

1
libavcodec/hevc.h
View File

@ -413,6 +413,7 @@ typedef struct HEVCSPS {
struct {
uint8_t bit_depth;
uint8_t bit_depth_chroma;
unsigned int log2_min_pcm_cb_size;
unsigned int log2_max_pcm_cb_size;
uint8_t loop_filter_disable_flag;

12
libavcodec/hevc_ps.c
View File

@ -715,18 +715,8 @@ int ff_hevc_decode_nal_sps(HEVCContext *s)
sps->pcm_enabled_flag = get_bits1(gb);
if (sps->pcm_enabled_flag) {
int pcm_bit_depth_chroma;
sps->pcm.bit_depth = get_bits(gb, 4) + 1;
pcm_bit_depth_chroma = get_bits(gb, 4) + 1;
if (pcm_bit_depth_chroma != sps->pcm.bit_depth) {
av_log(s->avctx, AV_LOG_ERROR,
"PCM Luma bit depth (%d) is different from PCM chroma"\
"bit depth (%d), this is unsupported.\n",
sps->pcm.bit_depth, pcm_bit_depth_chroma);
ret = AVERROR_INVALIDDATA;
goto err;
}
sps->pcm.bit_depth_chroma = get_bits(gb, 4) + 1;
sps->pcm.log2_min_pcm_cb_size = get_ue_golomb_long(gb) + 3;
sps->pcm.log2_max_pcm_cb_size = sps->pcm.log2_min_pcm_cb_size +
get_ue_golomb_long(gb);