V2.0.2

解决win自带播放器不能播放问题。

src/video/savevideofile.cpp

@@ -706,6 +706,7 @@ void SaveVideoFileThread::open_video(AVFormatContext *oc, AVCodec *codec, Output
     av_dict_set(&param, "tune", "zerolatency", 0);  //ʵÏÖʵʱ±àÂë
 
     c->thread_count = 16;
+    c->flags |= AV_CODEC_FLAG_GLOBAL_HEADER;
 
 qDebug()<<__FUNCTION__<<"333";
     int ret = 0;