[FFmpeg-devel] [PATCH 1/2] hevcdec: Miss the location of chroma samples when exporting stream parameters

[Hendrik Leppkes]

On Wed, May 16, 2018 at 9:19 AM, Haihao Xiang <haihao.xiang at intel.com> wrote:
> Signed-off-by: Haihao Xiang <haihao.xiang at 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


- Hendrik