Line data Source code
1 : /*
2 : * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
3 : *
4 : * Use of this source code is governed by a BSD-style license
5 : * that can be found in the LICENSE file in the root of the source
6 : * tree. An additional intellectual property rights grant can be found
7 : * in the file PATENTS. All contributing project authors may
8 : * be found in the AUTHORS file in the root of the source tree.
9 : */
10 :
11 : #ifndef WEBRTC_AUDIO_DEVICE_AUDIO_DEVICE_DUMMY_H
12 : #define WEBRTC_AUDIO_DEVICE_AUDIO_DEVICE_DUMMY_H
13 :
14 : #include <stdio.h>
15 :
16 : #include "webrtc/modules/audio_device/audio_device_generic.h"
17 :
18 : namespace webrtc {
19 :
20 : class AudioDeviceDummy : public AudioDeviceGeneric {
21 : public:
22 0 : AudioDeviceDummy(const int32_t id) {}
23 0 : virtual ~AudioDeviceDummy() {}
24 :
25 : // Retrieve the currently utilized audio layer
26 : int32_t ActiveAudioLayer(
27 : AudioDeviceModule::AudioLayer& audioLayer) const override;
28 :
29 : // Main initializaton and termination
30 : InitStatus Init() override;
31 : int32_t Terminate() override;
32 : bool Initialized() const override;
33 :
34 : // Device enumeration
35 : int16_t PlayoutDevices() override;
36 : int16_t RecordingDevices() override;
37 : int32_t PlayoutDeviceName(uint16_t index,
38 : char name[kAdmMaxDeviceNameSize],
39 : char guid[kAdmMaxGuidSize]) override;
40 : int32_t RecordingDeviceName(uint16_t index,
41 : char name[kAdmMaxDeviceNameSize],
42 : char guid[kAdmMaxGuidSize]) override;
43 :
44 : // Device selection
45 : int32_t SetPlayoutDevice(uint16_t index) override;
46 : int32_t SetPlayoutDevice(
47 : AudioDeviceModule::WindowsDeviceType device) override;
48 : int32_t SetRecordingDevice(uint16_t index) override;
49 : int32_t SetRecordingDevice(
50 : AudioDeviceModule::WindowsDeviceType device) override;
51 :
52 : // Audio transport initialization
53 : int32_t PlayoutIsAvailable(bool& available) override;
54 : int32_t InitPlayout() override;
55 : bool PlayoutIsInitialized() const override;
56 : int32_t RecordingIsAvailable(bool& available) override;
57 : int32_t InitRecording() override;
58 : bool RecordingIsInitialized() const override;
59 :
60 : // Audio transport control
61 : int32_t StartPlayout() override;
62 : int32_t StopPlayout() override;
63 : bool Playing() const override;
64 : int32_t StartRecording() override;
65 : int32_t StopRecording() override;
66 : bool Recording() const override;
67 :
68 : // Microphone Automatic Gain Control (AGC)
69 : int32_t SetAGC(bool enable) override;
70 : bool AGC() const override;
71 :
72 : // Volume control based on the Windows Wave API (Windows only)
73 : int32_t SetWaveOutVolume(uint16_t volumeLeft, uint16_t volumeRight) override;
74 : int32_t WaveOutVolume(uint16_t& volumeLeft,
75 : uint16_t& volumeRight) const override;
76 :
77 : // Audio mixer initialization
78 : int32_t InitSpeaker() override;
79 : bool SpeakerIsInitialized() const override;
80 : int32_t InitMicrophone() override;
81 : bool MicrophoneIsInitialized() const override;
82 :
83 : // Speaker volume controls
84 : int32_t SpeakerVolumeIsAvailable(bool& available) override;
85 : int32_t SetSpeakerVolume(uint32_t volume) override;
86 : int32_t SpeakerVolume(uint32_t& volume) const override;
87 : int32_t MaxSpeakerVolume(uint32_t& maxVolume) const override;
88 : int32_t MinSpeakerVolume(uint32_t& minVolume) const override;
89 : int32_t SpeakerVolumeStepSize(uint16_t& stepSize) const override;
90 :
91 : // Microphone volume controls
92 : int32_t MicrophoneVolumeIsAvailable(bool& available) override;
93 : int32_t SetMicrophoneVolume(uint32_t volume) override;
94 : int32_t MicrophoneVolume(uint32_t& volume) const override;
95 : int32_t MaxMicrophoneVolume(uint32_t& maxVolume) const override;
96 : int32_t MinMicrophoneVolume(uint32_t& minVolume) const override;
97 : int32_t MicrophoneVolumeStepSize(uint16_t& stepSize) const override;
98 :
99 : // Speaker mute control
100 : int32_t SpeakerMuteIsAvailable(bool& available) override;
101 : int32_t SetSpeakerMute(bool enable) override;
102 : int32_t SpeakerMute(bool& enabled) const override;
103 :
104 : // Microphone mute control
105 : int32_t MicrophoneMuteIsAvailable(bool& available) override;
106 : int32_t SetMicrophoneMute(bool enable) override;
107 : int32_t MicrophoneMute(bool& enabled) const override;
108 :
109 : // Microphone boost control
110 : int32_t MicrophoneBoostIsAvailable(bool& available) override;
111 : int32_t SetMicrophoneBoost(bool enable) override;
112 : int32_t MicrophoneBoost(bool& enabled) const override;
113 :
114 : // Stereo support
115 : int32_t StereoPlayoutIsAvailable(bool& available) override;
116 : int32_t SetStereoPlayout(bool enable) override;
117 : int32_t StereoPlayout(bool& enabled) const override;
118 : int32_t StereoRecordingIsAvailable(bool& available) override;
119 : int32_t SetStereoRecording(bool enable) override;
120 : int32_t StereoRecording(bool& enabled) const override;
121 :
122 : // Delay information and control
123 : int32_t SetPlayoutBuffer(const AudioDeviceModule::BufferType type,
124 : uint16_t sizeMS) override;
125 : int32_t PlayoutBuffer(AudioDeviceModule::BufferType& type,
126 : uint16_t& sizeMS) const override;
127 : int32_t PlayoutDelay(uint16_t& delayMS) const override;
128 : int32_t RecordingDelay(uint16_t& delayMS) const override;
129 :
130 : // CPU load
131 : int32_t CPULoad(uint16_t& load) const override;
132 :
133 : bool PlayoutWarning() const override;
134 : bool PlayoutError() const override;
135 : bool RecordingWarning() const override;
136 : bool RecordingError() const override;
137 : void ClearPlayoutWarning() override;
138 : void ClearPlayoutError() override;
139 : void ClearRecordingWarning() override;
140 : void ClearRecordingError() override;
141 :
142 : void AttachAudioBuffer(AudioDeviceBuffer* audioBuffer) override;
143 : };
144 :
145 : } // namespace webrtc
146 :
147 : #endif // WEBRTC_AUDIO_DEVICE_AUDIO_DEVICE_DUMMY_H
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