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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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_SENDER_AUDIO_SENDER_H_ | 5 #ifndef MEDIA_CAST_SENDER_AUDIO_SENDER_H_ |
6 #define MEDIA_CAST_SENDER_AUDIO_SENDER_H_ | 6 #define MEDIA_CAST_SENDER_AUDIO_SENDER_H_ |
7 | 7 |
8 #include "base/callback.h" | 8 #include "base/callback.h" |
9 #include "base/memory/ref_counted.h" | 9 #include "base/memory/ref_counted.h" |
10 #include "base/memory/scoped_ptr.h" | 10 #include "base/memory/scoped_ptr.h" |
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44 // Note: It is not guaranteed that |audio_frame| will actually be encoded and | 44 // Note: It is not guaranteed that |audio_frame| will actually be encoded and |
45 // sent, if AudioSender detects too many frames in flight. Therefore, clients | 45 // sent, if AudioSender detects too many frames in flight. Therefore, clients |
46 // should be careful about the rate at which this method is called. | 46 // should be careful about the rate at which this method is called. |
47 // | 47 // |
48 // Note: It is invalid to call this method if InitializationResult() returns | 48 // Note: It is invalid to call this method if InitializationResult() returns |
49 // anything but STATUS_AUDIO_INITIALIZED. | 49 // anything but STATUS_AUDIO_INITIALIZED. |
50 void InsertAudio(scoped_ptr<AudioBus> audio_bus, | 50 void InsertAudio(scoped_ptr<AudioBus> audio_bus, |
51 const base::TimeTicks& recorded_time); | 51 const base::TimeTicks& recorded_time); |
52 | 52 |
53 protected: | 53 protected: |
54 virtual int GetNumberOfFramesInEncoder() const OVERRIDE; | 54 virtual int GetNumberOfFramesInEncoder() const override; |
55 virtual base::TimeDelta GetInFlightMediaDuration() const OVERRIDE; | 55 virtual base::TimeDelta GetInFlightMediaDuration() const override; |
56 virtual void OnAck(uint32 frame_id) OVERRIDE; | 56 virtual void OnAck(uint32 frame_id) override; |
57 | 57 |
58 private: | 58 private: |
59 // Called by the |audio_encoder_| with the next EncodedFrame to send. | 59 // Called by the |audio_encoder_| with the next EncodedFrame to send. |
60 void OnEncodedAudioFrame(int encoder_bitrate, | 60 void OnEncodedAudioFrame(int encoder_bitrate, |
61 scoped_ptr<EncodedFrame> encoded_frame, | 61 scoped_ptr<EncodedFrame> encoded_frame, |
62 int samples_skipped); | 62 int samples_skipped); |
63 | 63 |
64 // Encodes AudioBuses into EncodedFrames. | 64 // Encodes AudioBuses into EncodedFrames. |
65 scoped_ptr<AudioEncoder> audio_encoder_; | 65 scoped_ptr<AudioEncoder> audio_encoder_; |
66 | 66 |
67 // The number of audio samples enqueued in |audio_encoder_|. | 67 // The number of audio samples enqueued in |audio_encoder_|. |
68 int samples_in_encoder_; | 68 int samples_in_encoder_; |
69 | 69 |
70 // NOTE: Weak pointers must be invalidated before all other member variables. | 70 // NOTE: Weak pointers must be invalidated before all other member variables. |
71 base::WeakPtrFactory<AudioSender> weak_factory_; | 71 base::WeakPtrFactory<AudioSender> weak_factory_; |
72 | 72 |
73 DISALLOW_COPY_AND_ASSIGN(AudioSender); | 73 DISALLOW_COPY_AND_ASSIGN(AudioSender); |
74 }; | 74 }; |
75 | 75 |
76 } // namespace cast | 76 } // namespace cast |
77 } // namespace media | 77 } // namespace media |
78 | 78 |
79 #endif // MEDIA_CAST_SENDER_AUDIO_SENDER_H_ | 79 #endif // MEDIA_CAST_SENDER_AUDIO_SENDER_H_ |
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