注释，说明

注释，说明

src/Common/MediaSink.cpp

@@ -70,7 +70,7 @@ void MediaSink::inputFrame(const Frame::Ptr &frame) {
     it->second->inputFrame(frame);
 
     if(!_allTrackReady && !_trackReadyCallback.empty() && it->second->ready()){
-        //Track由未就绪状态装换成就绪状态，我们就触发onTrackReady回调
+        //Track由未就绪状态转换成就绪状态，我们就触发onTrackReady回调
         auto it_callback = _trackReadyCallback.find(codec_id);
         if(it_callback != _trackReadyCallback.end()){
             it_callback->second();

src/Common/MediaSource.cpp

@@ -123,6 +123,7 @@ MediaSource::Ptr MediaSource::find(
 
     lock_guard<recursive_mutex> lock(g_mtxMediaSrc);
     MediaSource::Ptr ret;
+	//查找某一媒体源，找到后返回
     searchMedia(schema, vhost, app, id,
                 [&](SchemaVhostAppStreamMap::iterator &it0 ,
                     VhostAppStreamMap::iterator &it1,
@@ -138,7 +139,7 @@ MediaSource::Ptr MediaSource::find(
                     return true;
                 });
     if(!ret && bMake){
-        //查找某一媒体源，找到后返回
+        //未查找媒体源，则创建一个
         ret = MediaReader::onMakeMediaSource(schema, vhost,app,id);
     }
     return ret;