fix crash if flush a decoder not open

xingskycn · Oct 25, 2013 · a9d67e2 · a9d67e2
1 parent 2a36aa6
commit a9d67e2
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/src/AVDecoder.cpp b/src/AVDecoder.cpp
@@ -123,8 +123,11 @@ bool AVDecoder::isOpen() const
 
 void AVDecoder::flush()
 {
-    if (isAvailable())
-        avcodec_flush_buffers(d_func().codec_ctx);
+    if (!isAvailable())
+        return;
+    if (!isOpen())
+        return;
+    avcodec_flush_buffers(d_func().codec_ctx);
 }
 
 void AVDecoder::setCodecContext(AVCodecContext *codecCtx)