Index: content/renderer/media/media_stream_audio_track_sink.h |
diff --git a/content/renderer/media/media_stream_audio_track_sink.h b/content/renderer/media/media_stream_audio_track_sink.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..778c93c3fe5e9ce7460fa20279120066ba4f8706 |
--- /dev/null |
+++ b/content/renderer/media/media_stream_audio_track_sink.h |
@@ -0,0 +1,61 @@ |
+// 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. |
+ |
+#ifndef CONTENT_RENDERER_MEDIA_MEDIA_STREAM_AUDIO_TRACK_SINK_H_ |
+#define CONTENT_RENDERER_MEDIA_MEDIA_STREAM_AUDIO_TRACK_SINK_H_ |
+ |
+#include <vector> |
+ |
+#include "base/logging.h" |
+#include "base/memory/ref_counted.h" |
+#include "base/time/time.h" |
+#include "media/base/audio_parameters.h" |
+#include "third_party/WebKit/public/platform/WebMediaStreamSource.h" |
+ |
+namespace media { |
+class AudioBus; |
+} |
+ |
+namespace content { |
+ |
+class MediaStreamAudioSink; |
+ |
+// Interface for reference counted holder of audio stream audio track sink. |
+class MediaStreamAudioTrackSink |
+ : public base::RefCountedThreadSafe<MediaStreamAudioTrackSink> { |
+ public: |
+ // Note: OnData() and OnSetFormat() have the same meaning and semantics as in |
+ // content::MediaStreamAudioSink. See comments there for usage info. |
+ virtual void OnData(const media::AudioBus& audio_bus, |
+ base::TimeTicks estimated_capture_time) = 0; |
+ virtual void OnSetFormat(const media::AudioParameters& params) = 0; |
+ |
+ virtual void OnReadyStateChanged( |
+ blink::WebMediaStreamSource::ReadyState state) = 0; |
+ |
+ virtual void Reset() = 0; |
+ |
+ virtual bool IsEqual(const MediaStreamAudioSink* other) const = 0; |
+ |
+ // Wrapper which allows to use std::find_if() when adding and removing |
+ // sinks to/from the list. |
+ struct WrapsMediaStreamSink { |
+ WrapsMediaStreamSink(MediaStreamAudioSink* sink) : sink_(sink) {} |
+ bool operator()( |
+ const scoped_refptr<MediaStreamAudioTrackSink>& owner) const { |
+ return owner->IsEqual(sink_); |
+ } |
+ MediaStreamAudioSink* sink_; |
+ }; |
+ |
+ protected: |
+ virtual ~MediaStreamAudioTrackSink() {} |
+ |
+ private: |
+ friend class base::RefCountedThreadSafe<MediaStreamAudioTrackSink>; |
+}; |
+ |
+} // namespace content |
+ |
+#endif // CONTENT_RENDERER_MEDIA_MEDIA_STREAM_AUDIO_TRACK_SINK_H_ |