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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef CONTENT_RENDERER_MEDIA_MEDIA_STREAM_AUDIO_SINK_OWNER_H_ |
| 6 #define CONTENT_RENDERER_MEDIA_MEDIA_STREAM_AUDIO_SINK_OWNER_H_ |
| 7 |
| 8 #include <vector> |
| 9 |
| 10 #include "base/macros.h" |
| 11 #include "base/synchronization/lock.h" |
| 12 #include "content/renderer/media/media_stream_audio_track_sink.h" |
| 13 |
| 14 namespace content { |
| 15 |
| 16 class MediaStreamAudioSink; |
| 17 |
| 18 // Reference counted holder of MediaStreamAudioSink sinks. |
| 19 class MediaStreamAudioSinkOwner : public MediaStreamAudioTrackSink { |
| 20 public: |
| 21 explicit MediaStreamAudioSinkOwner(MediaStreamAudioSink* sink); |
| 22 |
| 23 // MediaStreamAudioTrackSink implementation. |
| 24 void OnData(const media::AudioBus& audio_bus, |
| 25 base::TimeTicks estimated_capture_time) override; |
| 26 void OnSetFormat(const media::AudioParameters& params) override; |
| 27 void OnReadyStateChanged( |
| 28 blink::WebMediaStreamSource::ReadyState state) override; |
| 29 void Reset() override; |
| 30 bool IsEqual(const MediaStreamAudioSink* other) const override; |
| 31 |
| 32 protected: |
| 33 ~MediaStreamAudioSinkOwner() override {} |
| 34 |
| 35 private: |
| 36 mutable base::Lock lock_; |
| 37 |
| 38 // Raw pointer to the delegate, the client need to call Reset() to set the |
| 39 // pointer to NULL before the delegate goes away. |
| 40 MediaStreamAudioSink* delegate_; |
| 41 |
| 42 DISALLOW_COPY_AND_ASSIGN(MediaStreamAudioSinkOwner); |
| 43 }; |
| 44 |
| 45 } // namespace content |
| 46 |
| 47 #endif // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_AUDIO_SINK_OWNER_H_ |
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