[FFmpeg-devel] libdav1d: use film grain export flag to export AVFilmGrainParams side data

[Andreas Rheinhardt]

Lynne:
> 
> @@ -420,7 +485,7 @@ static av_cold int libdav1d_close(AVCodecContext *c)
>  static const AVOption libdav1d_options[] = {
>      { "tilethreads", "Tile threads", OFFSET(tile_threads), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, DAV1D_MAX_TILE_THREADS, VD },
>      { "framethreads", "Frame threads", OFFSET(frame_threads), AV_OPT_TYPE_INT, { .i64 = 0 }, 0, DAV1D_MAX_FRAME_THREADS, VD },
> -    { "filmgrain", "Apply Film Grain", OFFSET(apply_grain), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VD },
> +    { "filmgrain", "Apply Film Grain (deprecated)", OFFSET(apply_grain), AV_OPT_TYPE_BOOL, { .i64 = -1 }, -1, 1, VD },

A better way to mark an option as deprecated is to set
AV_OPT_FLAG_DEPRECATED.

>      { "oppoint",  "Select an operating point of the scalable bitstream", OFFSET(operating_point), AV_OPT_TYPE_INT, { .i64 = -1 }, -1, 31, VD },
>      { "alllayers", "Output all spatial layers", OFFSET(all_layers), AV_OPT_TYPE_BOOL, { .i64 = 0 }, 0, 1, VD },
>      { NULL }