[FFmpeg-devel] [PATCH 3/4] avcodec/libdav1d: signal the presence of Film Grain in the decoder context

[Andreas Rheinhardt]

James Almer:
> Signed-off-by: James Almer <jamrial at gmail.com>
> ---
>  libavcodec/libdav1d.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/libavcodec/libdav1d.c b/libavcodec/libdav1d.c
> index 8a816da34d..2ee75310d7 100644
> --- a/libavcodec/libdav1d.c
> +++ b/libavcodec/libdav1d.c
> @@ -157,6 +157,9 @@ static void libdav1d_init_params(AVCodecContext *c, const Dav1dSequenceHeader *s
>          if (seq->equal_picture_interval)
>              c->ticks_per_frame = seq->num_ticks_per_picture;
>      }
> +
> +   if (seq->film_grain_present)
> +       c->properties |= FF_CODEC_PROPERTY_FILM_GRAIN;
>  }
>  
>  static av_cold int libdav1d_parse_extradata(AVCodecContext *c)
> 
If the properties of the underlying streams change from having film
grain to not having film grain, you do not reset said field.

- Andreas