On Wed, May 16, 2018 at 10:49 AM, Xiang, Haihao <haihao.xi...@intel.com> wrote: > On Wed, 2018-05-16 at 10:17 +0200, Hendrik Leppkes wrote: >> On Wed, May 16, 2018 at 9:19 AM, Haihao Xiang <haihao.xi...@intel.com> wrote: >> > Signed-off-by: Haihao Xiang <haihao.xi...@intel.com> >> > --- >> > libavcodec/hevcdec.c | 5 +++++ >> > 1 file changed, 5 insertions(+) >> > >> > diff --git a/libavcodec/hevcdec.c b/libavcodec/hevcdec.c >> > index c8877626d2..13d868bb4f 100644 >> > --- a/libavcodec/hevcdec.c >> > +++ b/libavcodec/hevcdec.c >> > @@ -344,6 +344,11 @@ static void export_stream_params(AVCodecContext >> > *avctx, >> > const HEVCParamSets *ps, >> > avctx->colorspace = AVCOL_SPC_UNSPECIFIED; >> > } >> > >> > + if (sps->vui.chroma_loc_info_present_flag) >> > + avctx->chroma_sample_location = sps- >> > >vui.chroma_sample_loc_type_top_field + 1; >> > + else >> > + avctx->chroma_sample_location = AVCHROMA_LOC_UNSPECIFIED; >> > >> >> This change is incomplete, refer to the patch I proposed earlier: >> http://ffmpeg.org/pipermail/ffmpeg-devel/2018-April/228100.html >> > > Sorry I didn't see your proposal before. Per spec, once > chroma_loc_info_present_flag is set, chroma_format_idc should be 1. I think it > would be better to add some checks when parsing the sequence parameters. >
It makes no real difference because you still need the check to be able to set the LEFT default value for 4:2:0 only. - Hendrik _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel