add srt push type

src/Common/MediaSource.h

@@ -45,6 +45,7 @@ enum class MediaOriginType : uint8_t {
     mp4_vod,
     mp4_vod,
     device_chn,
     device_chn,
     rtc_push,
     rtc_push,
+    srt_push
 };
 };
 
 
 std::string getOriginTypeString(MediaOriginType type);
 std::string getOriginTypeString(MediaOriginType type);