Report timing frames info in GetStats.
Some frames are already marked as 'timing frames' via video-timing RTP header extension. Timestamps along full WebRTC pipeline are gathered for these frames. This CL implements reporting of these timestamps for a single
timing frame since the last GetStats(). The frame with the longest end-to-end delay between two consecutive GetStats calls is reported.
The purpose of this timing information is not to provide a realtime statistics but to provide debugging information as it will help identify problematic places in video pipeline for outliers (frames which took longest to process).
BUG=webrtc:7594
Review-Url: https://codereview.webrtc.org/2946413002
Cr-Commit-Position: refs/heads/master@{#18909}
diff --git a/webrtc/api/BUILD.gn b/webrtc/api/BUILD.gn
index 40741bc..249411b 100644
--- a/webrtc/api/BUILD.gn
+++ b/webrtc/api/BUILD.gn
@@ -173,6 +173,7 @@
"video/video_frame_buffer.cc",
"video/video_frame_buffer.h",
"video/video_rotation.h",
+ "video/video_timing.cc",
"video/video_timing.h",
]