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Wed Jan 17 11:11:12 CET 2007 · https://ffmpeg.org/pipermail/ffmpeg-devel/2007-January/027520.html

Hi

On Wed, Jan 17, 2007 at 10:40:07AM +0100, Panagiotis Issaris wrote:
> Hi,
> 
> Attached are two trivial patches with different approaches to prevent
> the segfault as demonstrated by lol-ffplay.ogm.
[...]
> Index: libavcodec/imgresample.c
> ===================================================================
> --- libavcodec/imgresample.c	(revision 7559)
> +++ libavcodec/imgresample.c	(working copy)
> @@ -672,6 +672,8 @@
>  
>  void sws_freeContext(struct SwsContext *ctx)
>  {
> +    if (!ctx)
> +        return;
>      if ((ctx->resampling_ctx->iwidth != ctx->resampling_ctx->owidth) ||

looks ok

[...]

-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

No great genius has ever existed without some touch of madness. -- Aristotle
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Showing content from https://ffmpeg.org/pipermail/ffmpeg-devel/2007-January/027520.html below:

[Ffmpeg-devel] [PATCH] Fix for the lol-ffplay.ogm testcase