blob: 1b4b3e62f41612753a2a3d6fec61b3058ba8c1f8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
// Copyright (c) 2012 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 MEDIA_AUDIO_WIN_AUDIO_MANAGER_WIN_H_
#define MEDIA_AUDIO_WIN_AUDIO_MANAGER_WIN_H_
#include <memory>
#include <string>
#include "base/macros.h"
#include "media/audio/audio_manager_base.h"
namespace media {
class AudioDeviceListenerWin;
// Windows implementation of the AudioManager singleton. This class is internal
// to the audio output and only internal users can call methods not exposed by
// the AudioManager class.
class MEDIA_EXPORT AudioManagerWin : public AudioManagerBase {
public:
AudioManagerWin(std::unique_ptr<AudioThread> audio_thread,
AudioLogFactory* audio_log_factory);
~AudioManagerWin() override;
// Implementation of AudioManager.
bool HasAudioOutputDevices() override;
bool HasAudioInputDevices() override;
void GetAudioInputDeviceNames(AudioDeviceNames* device_names) override;
void GetAudioOutputDeviceNames(AudioDeviceNames* device_names) override;
AudioParameters GetInputStreamParameters(
const std::string& device_id) override;
std::string GetAssociatedOutputDeviceID(
const std::string& input_device_id) override;
const char* GetName() override;
// Implementation of AudioManagerBase.
AudioOutputStream* MakeLinearOutputStream(
const AudioParameters& params,
const LogCallback& log_callback) override;
AudioOutputStream* MakeLowLatencyOutputStream(
const AudioParameters& params,
const std::string& device_id,
const LogCallback& log_callback) override;
AudioInputStream* MakeLinearInputStream(
const AudioParameters& params,
const std::string& device_id,
const LogCallback& log_callback) override;
AudioInputStream* MakeLowLatencyInputStream(
const AudioParameters& params,
const std::string& device_id,
const LogCallback& log_callback) override;
std::string GetDefaultInputDeviceID() override;
std::string GetDefaultOutputDeviceID() override;
std::string GetCommunicationsInputDeviceID() override;
std::string GetCommunicationsOutputDeviceID() override;
protected:
void ShutdownOnAudioThread() override;
AudioParameters GetPreferredOutputStreamParameters(
const std::string& output_device_id,
const AudioParameters& input_params) override;
private:
// Allow unit test to modify the utilized enumeration API.
friend class AudioManagerTest;
// Helper methods for performing expensive initialization tasks on the audio
// thread instead of on the UI thread which AudioManager is constructed on.
void InitializeOnAudioThread();
void GetAudioDeviceNamesImpl(bool input, AudioDeviceNames* device_names);
// Listen for output device changes.
std::unique_ptr<AudioDeviceListenerWin> output_device_listener_;
DISALLOW_COPY_AND_ASSIGN(AudioManagerWin);
};
} // namespace media
#endif // MEDIA_AUDIO_WIN_AUDIO_MANAGER_WIN_H_
|
