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Side by Side Diff: media/audio/fake_audio_input_stream.h

Issue 645923002: Add support for audio input mute detection on all platforms (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: nit Created 6 years, 2 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 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 // A fake implementation of AudioInputStream, useful for testing purpose. 5 // A fake implementation of AudioInputStream, useful for testing purpose.
6 6
7 #ifndef MEDIA_AUDIO_FAKE_AUDIO_INPUT_STREAM_H_ 7 #ifndef MEDIA_AUDIO_FAKE_AUDIO_INPUT_STREAM_H_
8 #define MEDIA_AUDIO_FAKE_AUDIO_INPUT_STREAM_H_ 8 #define MEDIA_AUDIO_FAKE_AUDIO_INPUT_STREAM_H_
9 9
10 #include <vector> 10 #include <vector>
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27 static AudioInputStream* MakeFakeStream(AudioManagerBase* manager, 27 static AudioInputStream* MakeFakeStream(AudioManagerBase* manager,
28 const AudioParameters& params); 28 const AudioParameters& params);
29 29
30 virtual bool Open() override; 30 virtual bool Open() override;
31 virtual void Start(AudioInputCallback* callback) override; 31 virtual void Start(AudioInputCallback* callback) override;
32 virtual void Stop() override; 32 virtual void Stop() override;
33 virtual void Close() override; 33 virtual void Close() override;
34 virtual double GetMaxVolume() override; 34 virtual double GetMaxVolume() override;
35 virtual void SetVolume(double volume) override; 35 virtual void SetVolume(double volume) override;
36 virtual double GetVolume() override; 36 virtual double GetVolume() override;
37 virtual bool IsMuted() override;
37 virtual void SetAutomaticGainControl(bool enabled) override; 38 virtual void SetAutomaticGainControl(bool enabled) override;
38 virtual bool GetAutomaticGainControl() override; 39 virtual bool GetAutomaticGainControl() override;
39 40
40 // Generate one beep sound. This method is called by 41 // Generate one beep sound. This method is called by
41 // FakeVideoCaptureDevice to test audio/video synchronization. 42 // FakeVideoCaptureDevice to test audio/video synchronization.
42 // This is a static method because FakeVideoCaptureDevice is 43 // This is a static method because FakeVideoCaptureDevice is
43 // disconnected from an audio device. This means only one instance of 44 // disconnected from an audio device. This means only one instance of
44 // this class gets to respond, which is okay because we assume there's 45 // this class gets to respond, which is okay because we assume there's
45 // only one stream for this testing purpose. 46 // only one stream for this testing purpose.
46 // TODO(hclam): Make this non-static. To do this we'll need to fix 47 // TODO(hclam): Make this non-static. To do this we'll need to fix
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74 // Allows us to run tasks on the FakeAudioInputStream instance which are 75 // Allows us to run tasks on the FakeAudioInputStream instance which are
75 // bound by its lifetime. 76 // bound by its lifetime.
76 base::WeakPtrFactory<FakeAudioInputStream> weak_factory_; 77 base::WeakPtrFactory<FakeAudioInputStream> weak_factory_;
77 78
78 DISALLOW_COPY_AND_ASSIGN(FakeAudioInputStream); 79 DISALLOW_COPY_AND_ASSIGN(FakeAudioInputStream);
79 }; 80 };
80 81
81 } // namespace media 82 } // namespace media
82 83
83 #endif // MEDIA_AUDIO_FAKE_AUDIO_INPUT_STREAM_H_ 84 #endif // MEDIA_AUDIO_FAKE_AUDIO_INPUT_STREAM_H_
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