1 files changed, 45 insertions, 0 deletions
diff --git a/chromium/content/renderer/media/webrtc/webrtc_audio_sink_adapter.h b/chromium/content/renderer/media/webrtc/webrtc_audio_sink_adapter.h
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index 00000000000..c1be09a3dac
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+++ b/chromium/content/renderer/media/webrtc/webrtc_audio_sink_adapter.h
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+// Copyright 2014 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.
+
+#ifndef CONTENT_RENDERER_MEDIA_WEBRTC_WEBRTC_AUDIO_SINK_ADAPTER_H_
+#define CONTENT_RENDERER_MEDIA_WEBRTC_WEBRTC_AUDIO_SINK_ADAPTER_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "content/public/renderer/media_stream_audio_sink.h"
+
+namespace webrtc {
+class AudioTrackSinkInterface;
+}  // namespace webrtc
+
+namespace content {
+
+// Adapter to the webrtc::AudioTrackSinkInterface of the audio track.
+// This class is used in between the MediaStreamAudioSink and
+// webrtc::AudioTrackSinkInterface. It gets data callback via the
+// MediaStreamAudioSink::OnData() interface and pass the data to
+// webrtc::AudioTrackSinkInterface.
+class WebRtcAudioSinkAdapter : public MediaStreamAudioSink {
+ public:
+  explicit WebRtcAudioSinkAdapter(
+      webrtc::AudioTrackSinkInterface* sink);
+  virtual ~WebRtcAudioSinkAdapter();
+
+  bool IsEqual(const webrtc::AudioTrackSinkInterface* other) const;
+
+ private:
+  // MediaStreamAudioSink implementation.
+  virtual void OnData(const int16* audio_data,
+                      int sample_rate,
+                      int number_of_channels,
+                      int number_of_frames) OVERRIDE;
+  virtual void OnSetFormat(const media::AudioParameters& params) OVERRIDE;
+
+  webrtc::AudioTrackSinkInterface* const sink_;
+
+  DISALLOW_COPY_AND_ASSIGN(WebRtcAudioSinkAdapter);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_RENDERER_MEDIA_WEBRTC_WEBRTC_AUDIO_SINK_ADAPTER_H_