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authorAnton Khirnov <anton@khirnov.net>2012-07-15 11:16:53 +0200
committerAnton Khirnov <anton@khirnov.net>2012-07-22 09:14:05 +0200
commit1dc42050185d63c1de5d16146fbaee92640af187 (patch)
treee53dbbfc52894acf4efd526b9ddcaf1d0b87d94d /libavfilter/vf_overlay.c
parent80e4ed279b3abe9f5356e2b56255b2aa64527345 (diff)
lavfi: check all avfilter_ref_buffer() calls for errors.
Diffstat (limited to 'libavfilter/vf_overlay.c')
-rw-r--r--libavfilter/vf_overlay.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/libavfilter/vf_overlay.c b/libavfilter/vf_overlay.c
index 951ea7a4f6..14304c1918 100644
--- a/libavfilter/vf_overlay.c
+++ b/libavfilter/vf_overlay.c
@@ -213,6 +213,9 @@ static int start_frame(AVFilterLink *inlink, AVFilterBufferRef *inpicref)
AVFilterContext *ctx = inlink->dst;
OverlayContext *over = ctx->priv;
+ if (!outpicref)
+ return AVERROR(ENOMEM);
+
outpicref->pts = av_rescale_q(outpicref->pts, ctx->inputs[MAIN]->time_base,
ctx->outputs[0]->time_base);