decimate: check for avctx ptr before closing.

Fixes a crash init failed before setting avctx.

decimate: check for avctx ptr before closing.
Fixes a crash init failed before setting avctx.
29667a2c · Clément Bœsch · 8cd7aab1 · 29667a2c
Commit 29667a2c authored Mar 31, 2013 by Clément Bœsch
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Showing with 4 additions and 2 deletions

vf_decimate.c libavfilter/vf_decimate.c +4 -2

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--- a/libavfilter/vf_decimate.c
+++ b/libavfilter/vf_decimate.c
@@ -148,8 +148,10 @@ static av_cold void uninit(AVFilterContext *ctx)
 {
    DecimateContext *decimate = ctx->priv;
    av_frame_free(&decimate->ref);
-    avcodec_close(decimate->avctx);
-    av_freep(&decimate->avctx);
+    if (decimate->avctx) {
+        avcodec_close(decimate->avctx);
+        av_freep(&decimate->avctx);
+    }
 }

 static int query_formats(AVFilterContext *ctx)