ICodec: fix if can't open codec because codec is not available

Clement Champetier · Clement Champetier · commit 965e77751a97 · 2015-03-17T14:58:10.000+01:00
Fix segmentation fault (_avCodec can be NULL).
diff --git a/src/AvTranscoder/codec/ICodec.cpp b/src/AvTranscoder/codec/ICodec.cpp
@@ -60,10 +60,17 @@ void ICodec::open()
 	if( ret < 0 )
 	{
 		std::string msg = "unable open codec: ";
-		msg +=  _avCodec->long_name;
-		msg += " (";
-		msg += _avCodec->name;
-		msg += ") ";
+
+		if( _avCodec && _avCodec->long_name )
+			msg +=  _avCodec->long_name;
+
+		if( _avCodec && _avCodec->name )
+		{
+			msg += " (";
+			msg += _avCodec->name;
+			msg += ") ";
+		}
+
 		avcodec_close( _avCodecContext );
 
 		msg += getDescriptionFromErrorCode( ret );
