Forward the number of skipped frames by the OS in audio playout.

media/audio/clockless_audio_sink.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/audio/clockless_audio_sink.h"
 
 #include "base/bind.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/simple_thread.h"
@@ skipping 31 matching lines @@
   std::string GetAudioHash() {
     DCHECK(audio_hash_);
     return audio_hash_->ToString();
   }
 
  private:
    // Call Render() repeatedly, keeping track of the rendering time.
   void Run() override {
      base::TimeTicks start;
      while (!stop_event_->IsSignaled()) {
-       const int frames_received = callback_->Render(audio_bus_.get(), 0);
+       const int frames_received = callback_->Render(audio_bus_.get(), 0, 0);
        DCHECK_GE(frames_received, 0);
        if (audio_hash_)
          audio_hash_->Update(audio_bus_.get(), frames_received);
        if (!frames_received) {
          // No data received, so let other threads run to provide data.
          base::PlatformThread::YieldCurrentThread();
        } else if (start.is_null()) {
          // First time we processed some audio, so record the starting time.
          start = base::TimeTicks::Now();
        } else {
@@ skipping 65 matching lines @@
 void ClocklessAudioSink::StartAudioHashForTesting() {
   DCHECK(!initialized_);
   hashing_ = true;
 }
 
 std::string ClocklessAudioSink::GetAudioHashForTesting() {
   return thread_ && hashing_ ? thread_->GetAudioHash() : std::string();
 }
 
 }  // namespace media