WebmMuxer: add Pause()/Resume() methods and internal time-in-pause

content/renderer/media/audio_track_recorder.cc

 // Copyright 2015 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 "content/renderer/media/audio_track_recorder.h"
 
 #include <stdint.h>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 222 matching lines @@
       (bits_per_second_ > 0) ? bits_per_second_ : OPUS_AUTO;
   if (opus_encoder_ctl(opus_encoder_, OPUS_SET_BITRATE(bitrate)) != OPUS_OK) {
     DLOG(ERROR) << "Failed to set opus bitrate: " << bitrate;
     return;
   }
 }
 
 void AudioTrackRecorder::AudioEncoder::EncodeAudio(
     scoped_ptr<media::AudioBus> input_bus,
     const base::TimeTicks& capture_time) {
-  DVLOG(1) << __FUNCTION__ << ", #frames " << input_bus->frames();
+  DVLOG(3) << __FUNCTION__ << ", #frames " << input_bus->frames();
   DCHECK(encoder_thread_checker_.CalledOnValidThread());
   DCHECK_EQ(input_bus->channels(), input_params_.channels());
   DCHECK(!capture_time.is_null());
   DCHECK(converter_);
 
   if (!is_initialized() || paused_)
     return;
   // TODO(mcasas): Consider using a std::deque<scoped_ptr<AudioBus>> instead of
   // an AudioFifo, to avoid copying data needlessly since we know the sizes of
   // both input and output and they are multiples.
@@ skipping 95 matching lines @@
 }
 
 void AudioTrackRecorder::Resume() {
   DCHECK(main_render_thread_checker_.CalledOnValidThread());
   DCHECK(encoder_);
   encoder_thread_.task_runner()->PostTask(
       FROM_HERE, base::Bind(&AudioEncoder::set_paused, encoder_, false));
 }
 
 }  // namespace content