[FFmpeg-devel] [PATCH] avcodec/hevcdec: keep closed captions in sync between multiple thread contexts

[Limin Wang]

On Fri, Dec 20, 2019 at 02:05:42PM -0300, James Almer wrote:
> Based on h264 code.
> 
> Signed-off-by: James Almer <jamrial at gmail.com>
> ---
>  libavcodec/hevcdec.c | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/libavcodec/hevcdec.c b/libavcodec/hevcdec.c
> index f8270b87c3..19b0cd815d 100644
> --- a/libavcodec/hevcdec.c
> +++ b/libavcodec/hevcdec.c
> @@ -3463,6 +3463,13 @@ static int hevc_update_thread_context(AVCodecContext *dst,
>          s->max_ra = INT_MAX;
>      }
>  
> +    av_buffer_unref(&s->sei.a53_caption.buf_ref);
> +    if (s0->sei.a53_caption.buf_ref) {
> +        s->sei.a53_caption.buf_ref = av_buffer_ref(s0->sei.a53_caption.buf_ref);
> +        if (!s->sei.a53_caption.buf_ref)
> +            return AVERROR(ENOMEM);
> +    }
> +

LGTM

>      s->sei.frame_packing        = s0->sei.frame_packing;
>      s->sei.display_orientation  = s0->sei.display_orientation;
>      s->sei.mastering_display    = s0->sei.mastering_display;
> -- 
> 2.24.1
> 
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