commit 493a650b1ef04f64f398bd16b78df3f9be0af8bd
author Ruslan Burakov <kuddai@google.com> Wed Feb 27 15:32:48 2019 +0100
committer Commit Bot <commit-bot@chromium.org> Wed Feb 27 15:08:34 2019 +0000
tree 5ebc10665af7715bfab897d8ff75bb5548e28eb3
parent 48e7065ac6a34badd04d8f9d5dab64305e5b7b31

Propagate base minimum delay from video jitter buffer to webrtc/api.

On api level two methods were added to api/media_stream_interface.cc on VideoSourceInterface,
GetLatency and SetLatency. Latency is measured in seconds, delay in milliseconds but both describes
the same concept.


Bug: webrtc:10287
Change-Id: Ib8dc62a4d73f63fab7e10b82c716096ee6199957
Reviewed-on: https://webrtc-review.googlesource.com/c/123482
Commit-Queue: Ruslan Burakov <kuddai@google.com>
Reviewed-by: Stefan Holmer <stefan@webrtc.org>
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Reviewed-by: Steve Anton <steveanton@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26877}

media/engine/webrtc_video_engine.h

diff --git a/media/engine/webrtc_video_engine.h b/media/engine/webrtc_video_engine.h
index a3d5a2f..6604ab6 100644
--- a/media/engine/webrtc_video_engine.h
+++ b/media/engine/webrtc_video_engine.h
@@ -170,6 +170,11 @@
                          rtc::scoped_refptr<webrtc::FrameEncryptorInterface>
                              frame_encryptor) override;
 
+  bool SetBaseMinimumPlayoutDelayMs(uint32_t ssrc, int delay_ms) override;
+
+  absl::optional<int> GetBaseMinimumPlayoutDelayMs(
+      uint32_t ssrc) const override;
+
   // Implemented for VideoMediaChannelTest.
   bool sending() const { return sending_; }
 
@@ -393,6 +398,10 @@
     void SetFrameDecryptor(
         rtc::scoped_refptr<webrtc::FrameDecryptorInterface> frame_decryptor);
 
+    bool SetBaseMinimumPlayoutDelayMs(int delay_ms);
+
+    int GetBaseMinimumPlayoutDelayMs() const;
+
     void SetSink(rtc::VideoSinkInterface<webrtc::VideoFrame>* sink);
 
     VideoReceiverInfo GetVideoReceiverInfo(bool log_stats);
@@ -470,6 +479,9 @@
   DefaultUnsignalledSsrcHandler default_unsignalled_ssrc_handler_;
   UnsignalledSsrcHandler* const unsignalled_ssrc_handler_;
 
+  // Delay for unsignaled streams, which may be set before the stream exists.
+  int default_recv_base_minimum_delay_ms_ = 0;
+
   const MediaConfig::Video video_config_;
 
   rtc::CriticalSection stream_crit_;