chromium/third_party/blink/renderer/modules/peerconnection/webrtc_media_stream_track_adapter.h

// Copyright 2017 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_PEERCONNECTION_WEBRTC_MEDIA_STREAM_TRACK_ADAPTER_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_PEERCONNECTION_WEBRTC_MEDIA_STREAM_TRACK_ADAPTER_H_

#include <memory>

#include "base/synchronization/waitable_event.h"
#include "base/task/single_thread_task_runner.h"
#include "third_party/blink/renderer/modules/mediastream/remote_media_stream_track_adapter.h"
#include "third_party/blink/renderer/modules/modules_export.h"
#include "third_party/blink/renderer/modules/peerconnection/media_stream_video_webrtc_sink.h"
#include "third_party/blink/renderer/platform/mediastream/media_stream_component.h"
#include "third_party/blink/renderer/platform/peerconnection/webrtc_audio_sink.h"
#include "third_party/blink/renderer/platform/wtf/thread_safe_ref_counted.h"
#include "third_party/webrtc/api/media_stream_interface.h"

namespace blink {

class PeerConnectionDependencyFactory;
struct WebRtcMediaStreamTrackAdapterTraits;

// This is a mapping between a webrtc and blink media stream track. It takes
// care of creation, initialization and disposing of tracks independently of
// media streams.
// There are different sinks/adapters used whether the track is local or remote
// and whether it is an audio or video track; this adapter hides that fact and
// lets you use a single class for any type of track.
// The adapter may be created and used from either the main thread or the
// webrtc signaling thread.
class MODULES_EXPORT WebRtcMediaStreamTrackAdapter
    : public WTF::ThreadSafeRefCounted<WebRtcMediaStreamTrackAdapter,
                                       WebRtcMediaStreamTrackAdapterTraits> { … };

struct MODULES_EXPORT WebRtcMediaStreamTrackAdapterTraits { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_MODULES_PEERCONNECTION_WEBRTC_MEDIA_STREAM_TRACK_ADAPTER_H_