Index: chromecast/media/audio/cast_audio_output_stream.h |
diff --git a/chromecast/media/audio/cast_audio_output_stream.h b/chromecast/media/audio/cast_audio_output_stream.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..b659487c5f8bbb5b48b72567dbd13030d3092f58 |
--- /dev/null |
+++ b/chromecast/media/audio/cast_audio_output_stream.h |
@@ -0,0 +1,61 @@ |
+// Copyright 2015 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 CHROMECAST_MEDIA_AUDIO_CAST_AUDIO_OUTPUT_STREAM_H_ |
+#define CHROMECAST_MEDIA_AUDIO_CAST_AUDIO_OUTPUT_STREAM_H_ |
+ |
+#include "base/macros.h" |
+#include "base/memory/weak_ptr.h" |
+#include "chromecast/public/media/media_component_device.h" |
+#include "media/audio/audio_io.h" |
+#include "media/audio/audio_parameters.h" |
+ |
+namespace media { |
+class FakeAudioWorker; |
+} // namespace media |
+ |
+namespace chromecast { |
+namespace media { |
+ |
+class CastAudioManager; |
+class MediaPipelineBackend; |
+ |
+class CastAudioOutputStream : public ::media::AudioOutputStream { |
+ public: |
+ CastAudioOutputStream(const ::media::AudioParameters& audio_params, |
+ CastAudioManager* audio_manager); |
+ ~CastAudioOutputStream() override; |
+ |
+ // ::media::AudioOutputStream implementation. |
+ bool Open() override; |
+ void Close() override; |
+ void Start(AudioSourceCallback* source_callback) override; |
+ void Stop() override; |
+ void SetVolume(double volume) override; |
+ void GetVolume(double* volume) override; |
+ |
+ private: |
+ // Task to push frame into audio pipeline device. |
+ void PushFrame(AudioSourceCallback* source_callback); |
+ void OnPushFrameStatus(AudioSourceCallback* source_callback, |
+ MediaComponentDevice::FrameStatus status); |
+ void OnPushFrameError(AudioSourceCallback* source_callback); |
+ |
+ ::media::AudioParameters audio_params_; |
+ CastAudioManager* audio_manager_; |
+ |
+ double volume_; |
+ bool audio_device_busy_; |
+ scoped_ptr<::media::FakeAudioWorker> audio_worker_; |
+ scoped_ptr<::media::AudioBus> audio_bus_; |
+ scoped_ptr<MediaPipelineBackend> media_pipeline_backend_; |
+ |
+ base::WeakPtrFactory<CastAudioOutputStream> weak_factory_; |
+ DISALLOW_COPY_AND_ASSIGN(CastAudioOutputStream); |
+}; |
+ |
+} // namespace media |
+} // namespace chromecast |
+ |
+#endif // CHROMECAST_MEDIA_AUDIO_CAST_AUDIO_OUTPUT_STREAM_H_ |