Use safe method of setting the flags

dimula73 · dimula73 · commit 5d7ff30b6da6 · 2016-06-08T22:54:07.000+03:00
diff --git a/src/AvTranscoder/file/OutputFile.cpp b/src/AvTranscoder/file/OutputFile.cpp
@@ -43,7 +43,7 @@ IOutputStream& OutputFile::addVideoStream(const VideoCodec& videoDesc)
     stream.codec->field_order = videoDesc.getAVCodecContext().field_order;
 
     if (_formatContext.getAVOutputFormat().flags & AVFMT_GLOBALHEADER) {
-        stream.codec->flags = CODEC_FLAG_GLOBAL_HEADER;
+        stream.codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
     }
 
     // if the codec is experimental, allow it

Original file line number	Diff line number	Diff line change
`@@ -43,7 +43,7 @@ IOutputStream& OutputFile::addVideoStream(const VideoCodec& videoDesc)`
`43`	`43`	`stream.codec->field_order = videoDesc.getAVCodecContext().field_order;`
`44`	`44`
`45`	`45`	`if (_formatContext.getAVOutputFormat().flags & AVFMT_GLOBALHEADER) {`
`46`		`- stream.codec->flags = CODEC_FLAG_GLOBAL_HEADER;`
	`46`	`+ stream.codec->flags \|= CODEC_FLAG_GLOBAL_HEADER;`
`47`	`47`	`}`
`48`	`48`
`49`	`49`	`// if the codec is experimental, allow it`