| // Copyright 2017 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/browser/renderer_host/media/audio_output_stream_observer_impl.h" |
| |
| #include "content/browser/media/audio_stream_monitor.h" |
| #include "content/public/browser/browser_thread.h" |
| |
| namespace content { |
| |
| AudioOutputStreamObserverImpl::AudioOutputStreamObserverImpl( |
| int render_process_id, |
| int render_frame_id, |
| int stream_id) |
| : render_process_id_(render_process_id), |
| render_frame_id_(render_frame_id), |
| stream_id_(stream_id) {} |
| |
| AudioOutputStreamObserverImpl::~AudioOutputStreamObserverImpl() { |
| DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); |
| if (did_start_playing_) |
| DidStopPlaying(); |
| } |
| |
| void AudioOutputStreamObserverImpl::DidStartPlaying() { |
| DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); |
| did_start_playing_ = true; |
| AudioStreamMonitor::StartMonitoringStream(render_process_id_, |
| render_frame_id_, stream_id_); |
| } |
| void AudioOutputStreamObserverImpl::DidStopPlaying() { |
| DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); |
| AudioStreamMonitor::StopMonitoringStream(render_process_id_, render_frame_id_, |
| stream_id_); |
| did_start_playing_ = false; |
| } |
| |
| void AudioOutputStreamObserverImpl::DidChangeAudibleState(bool is_audible) { |
| DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_); |
| AudioStreamMonitor::UpdateStreamAudibleState( |
| render_process_id_, render_frame_id_, stream_id_, is_audible); |
| } |
| |
| } // namespace content |
