chrome/renderer/media/cast_receiver_audio_valve.cc

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/renderer/media/cast_receiver_audio_valve.h"
   6
   7 CastReceiverAudioValve::CastReceiverAudioValve(
   8     media::AudioCapturerSource::CaptureCallback* cb)
   9     : cb_(cb) {
  10 }
  11 CastReceiverAudioValve::~CastReceiverAudioValve() {}
  12
  13 void CastReceiverAudioValve::Capture(const media::AudioBus* audio_source,
  14                                      int audio_delay_milliseconds,
  15                                      double volume,
  16                                      bool key_pressed) {
  17   base::AutoLock lock(lock_);
  18   if (cb_) {
  19     cb_->Capture(audio_source, audio_delay_milliseconds, volume, key_pressed);
  20   }
  21 }
  22
  23 void CastReceiverAudioValve::OnCaptureError() {
  24   base::AutoLock lock(lock_);
  25   if (cb_) {
  26     cb_->OnCaptureError();
  27   }
  28 }
  29
  30 void CastReceiverAudioValve::Stop() {
  31   base::AutoLock lock(lock_);
  32   cb_ = nullptr;
  33 }