Audio cut off ~500ms too early

media/filters/audio_renderer_base.cc

 // Copyright (c) 2010 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/filters/audio_renderer_base.h"
 
 #include <algorithm>
 
 #include "base/callback.h"
 #include "media/base/filter_host.h"
@@ skipping 174 matching lines @@
       const uint32 kZeroLength = 8192;
       dest_written = std::min(kZeroLength, dest_len);
       memset(dest, 0, dest_written);
       return dest_written;
     }
 
     // Save a local copy of last fill buffer time and reset the member.
     last_fill_buffer_time = last_fill_buffer_time_;
     last_fill_buffer_time_ = base::TimeDelta();
 
-    // Check if we finally reached end of stream by emptying |algorithm_|.
-    if (algorithm_->IsQueueEmpty()) {
+    // Use two conditions to determine the end of playback:
+    // 1. Algorithm has no audio data.
+    // 2. Browser process has no audio data.
+    if (algorithm_->IsQueueEmpty() && !playback_delay.ToInternalValue()) {
       if (recieved_end_of_stream_ && !rendered_end_of_stream_) {
         rendered_end_of_stream_ = true;
         host()->NotifyEnded();
       }
     } else {
       // Otherwise fill the buffer.
       dest_written = algorithm_->FillBuffer(dest, dest_len);
     }
 
     // Get the current time.
@@ skipping 39 matching lines @@
 
 void AudioRendererBase::SetPlaybackRate(float playback_rate) {
   algorithm_->set_playback_rate(playback_rate);
 }
 
 float AudioRendererBase::GetPlaybackRate() {
   return algorithm_->playback_rate();
 }
 
 }  // namespace media