Index: webrtc/media/engine/webrtcvideoengine2.h |
diff --git a/webrtc/media/engine/webrtcvideoengine2.h b/webrtc/media/engine/webrtcvideoengine2.h |
index b9ab0b71ed6f41dcd277c1e83dfcd211cc3c1b28..438953b9afbff728ae19e7bc2d3deff160a2805c 100644 |
--- a/webrtc/media/engine/webrtcvideoengine2.h |
+++ b/webrtc/media/engine/webrtcvideoengine2.h |
@@ -395,7 +395,7 @@ class WebRtcVideoChannel2 : public VideoMediaChannel, public webrtc::Transport { |
// The timestamp of the first frame received |
// Used to generate the timestamps of subsequent frames |
- int64_t first_frame_timestamp_ms_ GUARDED_BY(lock_); |
+ rtc::Optional<int64_t> first_frame_timestamp_ms_ GUARDED_BY(lock_); |
// The timestamp of the last frame received |
// Used to generate timestamp for the black frame when source is removed |