chromium/third_party/blink/renderer/modules/mediastream/processed_local_audio_source.h

// Copyright 2012 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_MODULES_MEDIASTREAM_PROCESSED_LOCAL_AUDIO_SOURCE_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_MEDIASTREAM_PROCESSED_LOCAL_AUDIO_SOURCE_H_

#include <string>

#include "base/memory/scoped_refptr.h"
#include "base/synchronization/lock.h"
#include "base/task/single_thread_task_runner.h"
#include "media/base/audio_capturer_source.h"
#include "media/base/audio_glitch_info.h"
#include "third_party/blink/renderer/modules/mediastream/media_constraints.h"
#include "third_party/blink/renderer/modules/modules_export.h"
#include "third_party/blink/renderer/platform/mediastream/media_stream_audio_level_calculator.h"
#include "third_party/blink/renderer/platform/mediastream/media_stream_audio_processor_options.h"
#include "third_party/blink/renderer/platform/mediastream/media_stream_audio_source.h"
#include "third_party/webrtc/api/media_stream_interface.h"

namespace media {
class AudioBus;
class AudioProcessorControls;
}  // namespace media

namespace blink {

class AudioServiceAudioProcessorProxy;
class LocalFrame;
class MediaStreamAudioProcessor;
class PeerConnectionDependencyFactory;

// Represents a local source of audio data that is routed through the WebRTC
// audio pipeline for post-processing (e.g., for echo cancellation during a
// video conferencing call). Owns a media::AudioCapturerSource and the
// MediaStreamProcessor that modifies its audio. Modified audio is delivered to
// one or more MediaStreamAudioTracks.
class MODULES_EXPORT ProcessedLocalAudioSource final
    : public MediaStreamAudioSource,
      public media::AudioCapturerSource::CaptureCallback { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_MODULES_MEDIASTREAM_PROCESSED_LOCAL_AUDIO_SOURCE_H_