[FFmpeg-devel] [PATCH] lavfi/tinterlace: set inlink->cur to NULL, since it is stored internally

[Stefano Sabatini]

On date Tuesday 2012-09-04 23:20:37 +0200, Stefano Sabatini encoded:
> If not set to NULL, the reference is freed by ff_end_frame(), and later
> accessed in end_frame() by the filter code, causing a crash.
> ---
>  libavfilter/vf_tinterlace.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/libavfilter/vf_tinterlace.c b/libavfilter/vf_tinterlace.c
> index bbc6442..bb5cdc8 100644
> --- a/libavfilter/vf_tinterlace.c
> +++ b/libavfilter/vf_tinterlace.c
> @@ -207,6 +207,7 @@ static int start_frame(AVFilterLink *inlink, AVFilterBufferRef *picref)
>      avfilter_unref_buffer(tinterlace->cur);
>      tinterlace->cur  = tinterlace->next;
>      tinterlace->next = picref;
> +    inlink->cur_buf = NULL;
>      return 0;
>  }

Applied.
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