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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef MEDIA_CAST_AUDIO_SENDER_AUDIO_ENCODER_H_ | 5 #ifndef MEDIA_CAST_SENDER_AUDIO_ENCODER_H_ |
| 6 #define MEDIA_CAST_AUDIO_SENDER_AUDIO_ENCODER_H_ | 6 #define MEDIA_CAST_SENDER_AUDIO_ENCODER_H_ |
| 7 | 7 |
| 8 #include "base/memory/ref_counted.h" | 8 #include "base/memory/ref_counted.h" |
| 9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
| 10 #include "base/threading/thread_checker.h" | 10 #include "base/threading/thread_checker.h" |
| 11 #include "media/base/audio_bus.h" | 11 #include "media/base/audio_bus.h" |
| 12 #include "media/cast/cast_environment.h" | 12 #include "media/cast/cast_environment.h" |
| 13 | 13 |
| 14 namespace base { | 14 namespace base { |
| 15 class TimeTicks; | 15 class TimeTicks; |
| 16 } | 16 } |
| 17 | 17 |
| 18 namespace media { | 18 namespace media { |
| 19 namespace cast { | 19 namespace cast { |
| 20 | 20 |
| 21 class AudioEncoder { | 21 class AudioEncoder { |
| 22 public: | 22 public: |
| 23 typedef base::Callback<void(scoped_ptr<transport::EncodedFrame>)> | 23 typedef base::Callback<void(scoped_ptr<EncodedFrame>)> |
| 24 FrameEncodedCallback; | 24 FrameEncodedCallback; |
| 25 | 25 |
| 26 AudioEncoder(const scoped_refptr<CastEnvironment>& cast_environment, | 26 AudioEncoder(const scoped_refptr<CastEnvironment>& cast_environment, |
| 27 int num_channels, | 27 int num_channels, |
| 28 int sampling_rate, | 28 int sampling_rate, |
| 29 int bitrate, | 29 int bitrate, |
| 30 transport::Codec codec, | 30 Codec codec, |
| 31 const FrameEncodedCallback& frame_encoded_callback); | 31 const FrameEncodedCallback& frame_encoded_callback); |
| 32 virtual ~AudioEncoder(); | 32 virtual ~AudioEncoder(); |
| 33 | 33 |
| 34 CastInitializationStatus InitializationResult() const; | 34 CastInitializationStatus InitializationResult() const; |
| 35 | 35 |
| 36 void InsertAudio(scoped_ptr<AudioBus> audio_bus, | 36 void InsertAudio(scoped_ptr<AudioBus> audio_bus, |
| 37 const base::TimeTicks& recorded_time); | 37 const base::TimeTicks& recorded_time); |
| 38 | 38 |
| 39 private: | 39 private: |
| 40 class ImplBase; | 40 class ImplBase; |
| 41 class OpusImpl; | 41 class OpusImpl; |
| 42 class Pcm16Impl; | 42 class Pcm16Impl; |
| 43 | 43 |
| 44 const scoped_refptr<CastEnvironment> cast_environment_; | 44 const scoped_refptr<CastEnvironment> cast_environment_; |
| 45 scoped_refptr<ImplBase> impl_; | 45 scoped_refptr<ImplBase> impl_; |
| 46 | 46 |
| 47 // Used to ensure only one thread invokes InsertAudio(). | 47 // Used to ensure only one thread invokes InsertAudio(). |
| 48 base::ThreadChecker insert_thread_checker_; | 48 base::ThreadChecker insert_thread_checker_; |
| 49 | 49 |
| 50 DISALLOW_COPY_AND_ASSIGN(AudioEncoder); | 50 DISALLOW_COPY_AND_ASSIGN(AudioEncoder); |
| 51 }; | 51 }; |
| 52 | 52 |
| 53 } // namespace cast | 53 } // namespace cast |
| 54 } // namespace media | 54 } // namespace media |
| 55 | 55 |
| 56 #endif // MEDIA_CAST_AUDIO_SENDER_AUDIO_ENCODER_H_ | 56 #endif // MEDIA_CAST_SENDER_AUDIO_ENCODER_H_ |
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