chromium/third_party/blink/renderer/platform/peerconnection/webrtc_audio_sink.h

// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_PEERCONNECTION_WEBRTC_AUDIO_SINK_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_PEERCONNECTION_WEBRTC_AUDIO_SINK_H_

#include <stdint.h>

#include <atomic>
#include <memory>
#include <string>
#include <utility>

#include "base/memory/scoped_refptr.h"
#include "base/synchronization/lock.h"
#include "base/task/single_thread_task_runner.h"
#include "base/threading/thread_checker.h"
#include "base/time/time.h"
#include "media/base/audio_parameters.h"
#include "media/base/audio_push_fifo.h"
#include "third_party/blink/public/platform/modules/mediastream/web_media_stream_audio_sink.h"
#include "third_party/blink/renderer/platform/mediastream/media_stream_audio_level_calculator.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/cross_thread_copier.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
#include "third_party/webrtc/api/media_stream_interface.h"
#include "third_party/webrtc/api/media_stream_track.h"
#include "third_party/webrtc/rtc_base/time_utils.h"
#include "third_party/webrtc/rtc_base/timestamp_aligner.h"

namespace blink {

// Provides an implementation of the WebMediaStreamAudioSink which
// re-chunks audio data into the 10ms chunks required by WebRTC and then
// delivers the audio to one or more objects implementing the
// webrtc::AudioTrackSinkInterface.
//
// The inner class, Adapter, implements the webrtc::AudioTrackInterface and
// manages one or more "WebRTC sinks" (i.e., instances of
// webrtc::AudioTrackSinkInterface) which are added/removed on the WebRTC
// signaling thread.
//
// TODO(crbug.com/787254): Switch this class away from using std::string and
// std::vector. Also merge it with WebMediaStreamAudioSink.
class PLATFORM_EXPORT WebRtcAudioSink : public WebMediaStreamAudioSink { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_PEERCONNECTION_WEBRTC_AUDIO_SINK_H_