Quoting Andreas Rheinhardt (2023-09-19 21:57:22)
> @@ -1605,7 +1590,8 @@ static int vp9_decode_frame(AVCodecContext *avctx,
> AVFrame *frame,
> f->flags &= ~AV_FRAME_FLAG_KEY;
> f->pict_type = (s->s.h.keyframe || s->s.h.intraonly) ? AV_PICTURE_TYPE_I
> : AV_PICTURE_TYPE_P;
>
> -
This already fixes a race in the vp9-encparams test. In this test,
side data is added to the current frame after having been decoded
(and therefore after ff_thread_finish_setup() has been called).
Yet the update_thread_context callback called ff_thread_ref_frame()
and therefore av_frame_ref() with
