Index: chromecast/media/audio/cast_audio_manager.h |
diff --git a/chromecast/media/audio/cast_audio_manager.h b/chromecast/media/audio/cast_audio_manager.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..7382f06e60672ce0a7a3c1b1c81779cb0048e1ee |
--- /dev/null |
+++ b/chromecast/media/audio/cast_audio_manager.h |
@@ -0,0 +1,83 @@ |
+// 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_MANAGER_H_ |
+#define CHROMECAST_MEDIA_AUDIO_CAST_AUDIO_MANAGER_H_ |
+ |
+#include <string> |
+#include <vector> |
+ |
+#include "base/macros.h" |
+#include "base/memory/linked_ptr.h" |
+#include "media/audio/audio_manager_base.h" |
+ |
+namespace media { |
+class AudioLogFactory; |
+} |
+ |
+namespace chromecast { |
+namespace media { |
+ |
+class CastAudioOutputDevice; |
+class ChromecastDeviceAudioOutputStream; |
+ |
+// This class acts as a proxy for chromecast::CastAudioOutputDevice, |
+// converting external-facing chromecast interfaces and data structures to |
+// those expected by ::media::AudioManager. |
+class CastAudioManager : public ::media::AudioManagerBase { |
+ public: |
+ // This class does not take ownership of |audio_output_device|, which must be |
+ // non-null and which must outlive this class. All calls to CreateAudioLog() |
+ // will be forwarded to |audio_log_factory|, which also must outlive this |
+ // class. |
+ CastAudioManager(::media::AudioLogFactory* audio_log_factory, |
+ CastAudioOutputDevice* audio_output_device); |
+ ~CastAudioManager() override; |
+ |
+ // ::media::AudioManager implementation: |
+ bool HasAudioOutputDevices() override; |
+ bool HasAudioInputDevices() override; |
+ void ShowAudioInputSettings() override; |
+ void GetAudioInputDeviceNames( |
+ ::media::AudioDeviceNames* device_names) override; |
+ ::media::AudioParameters GetInputStreamParameters( |
+ const std::string& device_id) override; |
+ |
+ // ::media::AudioManagerBase implementation: |
+ ::media::AudioParameters GetPreferredOutputStreamParameters( |
+ const std::string& output_device_id, |
+ const ::media::AudioParameters& input_params) override; |
+ ::media::AudioOutputStream* MakeLinearOutputStream( |
+ const ::media::AudioParameters& params) override; |
+ ::media::AudioOutputStream* MakeLowLatencyOutputStream( |
+ const ::media::AudioParameters& params, |
+ const std::string& device_id) override; |
+ ::media::AudioInputStream* MakeLinearInputStream( |
+ const ::media::AudioParameters& params, |
+ const std::string& device_id) override; |
+ ::media::AudioInputStream* MakeLowLatencyInputStream( |
+ const ::media::AudioParameters& params, |
+ const std::string& device_id) override; |
+ |
+ // Get the CastAudioOutputDevice for testing. |
+ CastAudioOutputDevice* GetAudioOutputDeviceForTesting() const { |
+ return audio_output_device_; |
+ } |
+ |
+ private: |
+ // Host a ::media::AudioOutputStream interface which wraps a |
+ // chromecast::AudioOutputStream. |
+ ::media::AudioOutputStream* MakeCastOutputStream( |
+ const ::media::AudioParameters& params); |
+ |
+ // The underlying audio output device. |
+ CastAudioOutputDevice* const audio_output_device_; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(CastAudioManager); |
+}; |
+ |
+} // namespace media |
+} // namespace chromecast |
+ |
+#endif // CHROMECAST_MEDIA_AUDIO_CAST_AUDIO_MANAGER_H_ |