Re: [FFmpeg-devel] [PATCH 2/2] avformat/imfdec: inherit opaque from parent AVFormatContext

[Pierre-Anthony Lemieux <pal@sandflow.com>]

On Fri, May 16, 2025 at 8:51 PM Kacper Michajłow <kasper93@gmail.com> wrote:
>
> io_open and io_close2 callbacks may use opaque pointer stored in the
> context. They are already inherited, so opaque should also be passed
> through.
>
> Fixes IMF playback in mpv.
>
> Signed-off-by: Kacper Michajłow <kasper93@gmail.com>
> ---
>  libavformat/imfdec.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/libavformat/imfdec.c b/libavformat/imfdec.c
> index a86b4763ff..b4df37daa3 100644
> --- a/libavformat/imfdec.c
> +++ b/libavformat/imfdec.c
> @@ -380,6 +380,7 @@ static int open_track_resource_context(AVFormatContext *s,
>
>      track_resource->ctx->io_open = s->io_open;
>      track_resource->ctx->io_close2 = s->io_close2;
> +    track_resource->ctx->opaque = s->opaque;

LGTM.

>      track_resource->ctx->flags |= s->flags & ~AVFMT_FLAG_CUSTOM_IO;
>
>      if ((ret = ff_copy_whiteblacklists(track_resource->ctx, s)) < 0)
> --
> 2.45.1
>
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