From b5436f4b5dae7a664ba25a25b39640567f016348 Mon Sep 17 00:00:00 2001
From: Stefano Sabatini <stefasab@gmail.com>
Date: Tue, 6 Nov 2012 22:48:54 +0100
Subject: [PATCH] lavfi/showwaves: return error in case of allocation failure
in filter_samples()
---
libavfilter/avf_showwaves.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavfilter/avf_showwaves.c b/libavfilter/avf_showwaves.c
index e5263245f7f..50a114baed4 100644
--- a/libavfilter/avf_showwaves.c
+++ b/libavfilter/avf_showwaves.c
@@ -199,6 +199,8 @@ static int filter_samples(AVFilterLink *inlink, AVFilterBufferRef *insamples)
showwaves->outpicref = outpicref =
ff_get_video_buffer(outlink, AV_PERM_WRITE|AV_PERM_ALIGN,
outlink->w, outlink->h);
+ if (!outpicref)
+ return AVERROR(ENOMEM);
outpicref->video->w = outlink->w;
outpicref->video->h = outlink->h;
outpicref->pts = insamples->pts +
--
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