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// Copyright 2013 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/public/renderer/media_stream_audio_sink.h"
#include "base/logging.h"
#include "content/renderer/media/media_stream_track_extra_data.h"
#include "content/renderer/media/webrtc_local_audio_track.h"
#include "third_party/WebKit/public/platform/WebMediaStreamSource.h"
#include "third_party/WebKit/public/platform/WebMediaStreamTrack.h"
namespace content {
void MediaStreamAudioSink::AddToAudioTrack(
MediaStreamAudioSink* sink,
const blink::WebMediaStreamTrack& track) {
DCHECK(track.source().type() == blink::WebMediaStreamSource::TypeAudio);
MediaStreamTrackExtraData* extra_data =
static_cast<MediaStreamTrackExtraData*>(track.extraData());
// TODO(xians): Support remote audio track.
DCHECK(extra_data->is_local_track());
WebRtcLocalAudioTrack* audio_track =
static_cast<WebRtcLocalAudioTrack*>(extra_data->track().get());
audio_track->AddSink(sink);
}
void MediaStreamAudioSink::RemoveFromAudioTrack(
MediaStreamAudioSink* sink,
const blink::WebMediaStreamTrack& track) {
MediaStreamTrackExtraData* extra_data =
static_cast<MediaStreamTrackExtraData*>(track.extraData());
// TODO(xians): Support remote audio track.
DCHECK(extra_data->is_local_track());
WebRtcLocalAudioTrack* audio_track =
static_cast<WebRtcLocalAudioTrack*>(extra_data->track().get());
audio_track->RemoveSink(sink);
}
} // namespace content
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