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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 CONTENT_RENDERER_MEDIA_EXTERNAL_MEDIA_STREAM_AUDIO_SOURCE_H_ | 5 #ifndef CONTENT_RENDERER_MEDIA_EXTERNAL_MEDIA_STREAM_AUDIO_SOURCE_H_ |
6 #define CONTENT_RENDERER_MEDIA_EXTERNAL_MEDIA_STREAM_AUDIO_SOURCE_H_ | 6 #define CONTENT_RENDERER_MEDIA_EXTERNAL_MEDIA_STREAM_AUDIO_SOURCE_H_ |
7 | 7 |
8 #include "content/renderer/media/media_stream_audio_source.h" | 8 #include "content/renderer/media/media_stream_audio_source.h" |
9 | 9 |
10 #include "media/base/audio_capturer_source.h" | 10 #include "media/base/audio_capturer_source.h" |
11 | 11 |
12 namespace content { | 12 namespace content { |
13 | 13 |
14 // Represents an externally-provided local or remote source of audio data. This | 14 // Represents an externally-provided local or remote source of audio data. This |
15 // allows users of the public content::MediaStreamApi to provide a | 15 // allows users of the public content::MediaStreamApi to provide a |
16 // media::AudioCapturerSource to be used as the source of audio data in the | 16 // media::AudioCapturerSource to be used as the source of audio data in the |
17 // MediaStream framework. Audio data is transported directly to the tracks | 17 // MediaStream framework. Audio data is transported directly to the tracks |
18 // (i.e., there is no audio processing). | 18 // (i.e., there is no audio processing). |
19 class CONTENT_EXPORT ExternalMediaStreamAudioSource final | 19 class CONTENT_EXPORT ExternalMediaStreamAudioSource final |
20 : NON_EXPORTED_BASE(public MediaStreamAudioSource), | 20 : NON_EXPORTED_BASE(public MediaStreamAudioSource), |
21 NON_EXPORTED_BASE(public media::AudioCapturerSource::CaptureCallback) { | 21 NON_EXPORTED_BASE(public media::AudioCapturerSource::CaptureCallback) { |
22 public: | 22 public: |
23 ExternalMediaStreamAudioSource( | 23 ExternalMediaStreamAudioSource( |
24 scoped_refptr<media::AudioCapturerSource> source, | 24 scoped_refptr<media::AudioCapturerSource> source, |
25 int sample_rate, | 25 int sample_rate, |
26 media::ChannelLayout channel_layout, | 26 media::ChannelLayout channel_layout, |
27 int frames_per_buffer, | 27 int frames_per_buffer); |
28 bool is_remote); | |
29 | 28 |
30 ~ExternalMediaStreamAudioSource() final; | 29 ~ExternalMediaStreamAudioSource() final; |
31 | 30 |
32 private: | 31 private: |
33 // MediaStreamAudioSource implementation. | 32 // MediaStreamAudioSource implementation. |
34 bool EnsureSourceIsStarted() final; | 33 bool EnsureSourceIsStarted() final; |
35 void EnsureSourceIsStopped() final; | 34 void EnsureSourceIsStopped() final; |
36 | 35 |
37 // media::AudioCapturerSource::CaptureCallback implementation. | 36 // media::AudioCapturerSource::CaptureCallback implementation. |
38 void Capture(const media::AudioBus* audio_bus, | 37 void Capture(const media::AudioBus* audio_bus, |
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50 | 49 |
51 // True once the source has been started successfully. | 50 // True once the source has been started successfully. |
52 bool was_started_; | 51 bool was_started_; |
53 | 52 |
54 DISALLOW_COPY_AND_ASSIGN(ExternalMediaStreamAudioSource); | 53 DISALLOW_COPY_AND_ASSIGN(ExternalMediaStreamAudioSource); |
55 }; | 54 }; |
56 | 55 |
57 } // namespace content | 56 } // namespace content |
58 | 57 |
59 #endif // CONTENT_RENDERER_MEDIA_EXTERNAL_MEDIA_STREAM_AUDIO_SOURCE_H_ | 58 #endif // CONTENT_RENDERER_MEDIA_EXTERNAL_MEDIA_STREAM_AUDIO_SOURCE_H_ |
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