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_IMPL_H
12 : #define WEBRTC_AUDIO_DEVICE_AUDIO_DEVICE_IMPL_H
13 :
14 : #if defined(WEBRTC_INCLUDE_INTERNAL_AUDIO_DEVICE)
15 :
16 : #include <memory>
17 :
18 : #include "webrtc/base/checks.h"
19 : #include "webrtc/modules/audio_device/audio_device_buffer.h"
20 : #include "webrtc/modules/audio_device/include/audio_device.h"
21 :
22 : namespace webrtc {
23 :
24 : class AudioDeviceGeneric;
25 : class AudioManager;
26 : class CriticalSectionWrapper;
27 :
28 : class AudioDeviceModuleImpl : public AudioDeviceModule {
29 : public:
30 : enum PlatformType {
31 : kPlatformNotSupported = 0,
32 : kPlatformWin32 = 1,
33 : kPlatformWinCe = 2,
34 : kPlatformLinux = 3,
35 : kPlatformMac = 4,
36 : kPlatformAndroid = 5,
37 : kPlatformIOS = 6,
38 : kPlatformSndio = 7
39 : };
40 :
41 : int32_t CheckPlatform();
42 : int32_t CreatePlatformSpecificObjects();
43 : int32_t AttachAudioBuffer();
44 :
45 : AudioDeviceModuleImpl(const int32_t id, const AudioLayer audioLayer);
46 : ~AudioDeviceModuleImpl() override;
47 :
48 : int64_t TimeUntilNextProcess() override;
49 : void Process() override;
50 :
51 : // Retrieve the currently utilized audio layer
52 : int32_t ActiveAudioLayer(AudioLayer* audioLayer) const override;
53 :
54 : // Error handling
55 : ErrorCode LastError() const override;
56 : int32_t RegisterEventObserver(AudioDeviceObserver* eventCallback) override;
57 :
58 : // Full-duplex transportation of PCM audio
59 : int32_t RegisterAudioCallback(AudioTransport* audioCallback) override;
60 :
61 : // Main initializaton and termination
62 : int32_t Init() override;
63 : int32_t Terminate() override;
64 : bool Initialized() const override;
65 :
66 : // Device enumeration
67 : int16_t PlayoutDevices() override;
68 : int16_t RecordingDevices() override;
69 : int32_t PlayoutDeviceName(uint16_t index,
70 : char name[kAdmMaxDeviceNameSize],
71 : char guid[kAdmMaxGuidSize]) override;
72 : int32_t RecordingDeviceName(uint16_t index,
73 : char name[kAdmMaxDeviceNameSize],
74 : char guid[kAdmMaxGuidSize]) override;
75 :
76 : // Device selection
77 : int32_t SetPlayoutDevice(uint16_t index) override;
78 : int32_t SetPlayoutDevice(WindowsDeviceType device) override;
79 : int32_t SetRecordingDevice(uint16_t index) override;
80 : int32_t SetRecordingDevice(WindowsDeviceType device) override;
81 :
82 : // Audio transport initialization
83 : int32_t PlayoutIsAvailable(bool* available) override;
84 : int32_t InitPlayout() override;
85 : bool PlayoutIsInitialized() const override;
86 : int32_t RecordingIsAvailable(bool* available) override;
87 : int32_t InitRecording() override;
88 : bool RecordingIsInitialized() const override;
89 :
90 : // Audio transport control
91 : int32_t StartPlayout() override;
92 : int32_t StopPlayout() override;
93 : bool Playing() const override;
94 : int32_t StartRecording() override;
95 : int32_t StopRecording() override;
96 : bool Recording() const override;
97 :
98 : // Microphone Automatic Gain Control (AGC)
99 : int32_t SetAGC(bool enable) override;
100 : bool AGC() const override;
101 :
102 : // Volume control based on the Windows Wave API (Windows only)
103 : int32_t SetWaveOutVolume(uint16_t volumeLeft, uint16_t volumeRight) override;
104 : int32_t WaveOutVolume(uint16_t* volumeLeft,
105 : uint16_t* volumeRight) const override;
106 :
107 : // Audio mixer initialization
108 : int32_t InitSpeaker() override;
109 : bool SpeakerIsInitialized() const override;
110 : int32_t InitMicrophone() override;
111 : bool MicrophoneIsInitialized() const override;
112 :
113 : // Speaker volume controls
114 : int32_t SpeakerVolumeIsAvailable(bool* available) override;
115 : int32_t SetSpeakerVolume(uint32_t volume) override;
116 : int32_t SpeakerVolume(uint32_t* volume) const override;
117 : int32_t MaxSpeakerVolume(uint32_t* maxVolume) const override;
118 : int32_t MinSpeakerVolume(uint32_t* minVolume) const override;
119 : int32_t SpeakerVolumeStepSize(uint16_t* stepSize) const override;
120 :
121 : // Microphone volume controls
122 : int32_t MicrophoneVolumeIsAvailable(bool* available) override;
123 : int32_t SetMicrophoneVolume(uint32_t volume) override;
124 : int32_t MicrophoneVolume(uint32_t* volume) const override;
125 : int32_t MaxMicrophoneVolume(uint32_t* maxVolume) const override;
126 : int32_t MinMicrophoneVolume(uint32_t* minVolume) const override;
127 : int32_t MicrophoneVolumeStepSize(uint16_t* stepSize) const override;
128 :
129 : // Speaker mute control
130 : int32_t SpeakerMuteIsAvailable(bool* available) override;
131 : int32_t SetSpeakerMute(bool enable) override;
132 : int32_t SpeakerMute(bool* enabled) const override;
133 :
134 : // Microphone mute control
135 : int32_t MicrophoneMuteIsAvailable(bool* available) override;
136 : int32_t SetMicrophoneMute(bool enable) override;
137 : int32_t MicrophoneMute(bool* enabled) const override;
138 :
139 : // Microphone boost control
140 : int32_t MicrophoneBoostIsAvailable(bool* available) override;
141 : int32_t SetMicrophoneBoost(bool enable) override;
142 : int32_t MicrophoneBoost(bool* enabled) const override;
143 :
144 : // Stereo support
145 : int32_t StereoPlayoutIsAvailable(bool* available) const override;
146 : int32_t SetStereoPlayout(bool enable) override;
147 : int32_t StereoPlayout(bool* enabled) const override;
148 : int32_t StereoRecordingIsAvailable(bool* available) const override;
149 : int32_t SetStereoRecording(bool enable) override;
150 : int32_t StereoRecording(bool* enabled) const override;
151 : int32_t SetRecordingChannel(const ChannelType channel) override;
152 : int32_t RecordingChannel(ChannelType* channel) const override;
153 :
154 : // Delay information and control
155 : int32_t SetPlayoutBuffer(const BufferType type, uint16_t sizeMS = 0) override;
156 : int32_t PlayoutBuffer(BufferType* type, uint16_t* sizeMS) const override;
157 : int32_t PlayoutDelay(uint16_t* delayMS) const override;
158 : int32_t RecordingDelay(uint16_t* delayMS) const override;
159 :
160 : // CPU load
161 : int32_t CPULoad(uint16_t* load) const override;
162 :
163 : // Recording of raw PCM data
164 : int32_t StartRawOutputFileRecording(
165 : const char pcmFileNameUTF8[kAdmMaxFileNameSize]) override;
166 : int32_t StopRawOutputFileRecording() override;
167 : int32_t StartRawInputFileRecording(
168 : const char pcmFileNameUTF8[kAdmMaxFileNameSize]) override;
169 : int32_t StopRawInputFileRecording() override;
170 :
171 : // Native sample rate controls (samples/sec)
172 : int32_t SetRecordingSampleRate(const uint32_t samplesPerSec) override;
173 : int32_t RecordingSampleRate(uint32_t* samplesPerSec) const override;
174 : int32_t SetPlayoutSampleRate(const uint32_t samplesPerSec) override;
175 : int32_t PlayoutSampleRate(uint32_t* samplesPerSec) const override;
176 :
177 : // Mobile device specific functions
178 : int32_t ResetAudioDevice() override;
179 : int32_t SetLoudspeakerStatus(bool enable) override;
180 : int32_t GetLoudspeakerStatus(bool* enabled) const override;
181 :
182 : bool BuiltInAECIsAvailable() const override;
183 : int32_t EnableBuiltInAEC(bool enable) override;
184 : bool BuiltInAGCIsAvailable() const override;
185 : int32_t EnableBuiltInAGC(bool enable) override;
186 : bool BuiltInNSIsAvailable() const override;
187 : int32_t EnableBuiltInNS(bool enable) override;
188 :
189 : #if defined(WEBRTC_IOS)
190 : int GetPlayoutAudioParameters(AudioParameters* params) const override;
191 : int GetRecordAudioParameters(AudioParameters* params) const override;
192 : #endif // WEBRTC_IOS
193 :
194 0 : int32_t Id() { return _id; }
195 : #if defined(WEBRTC_ANDROID)
196 : // Only use this acccessor for test purposes on Android.
197 : AudioManager* GetAndroidAudioManagerForTest() {
198 : return _audioManagerAndroid.get();
199 : }
200 : #endif
201 : AudioDeviceBuffer* GetAudioDeviceBuffer() { return &_audioDeviceBuffer; }
202 :
203 : private:
204 : PlatformType Platform() const;
205 : AudioLayer PlatformAudioLayer() const;
206 :
207 : CriticalSectionWrapper& _critSect;
208 : CriticalSectionWrapper& _critSectEventCb;
209 : CriticalSectionWrapper& _critSectAudioCb;
210 :
211 : AudioDeviceObserver* _ptrCbAudioDeviceObserver;
212 :
213 : AudioDeviceGeneric* _ptrAudioDevice;
214 :
215 : AudioDeviceBuffer _audioDeviceBuffer;
216 : #if defined(WEBRTC_ANDROID)
217 : std::unique_ptr<AudioManager> _audioManagerAndroid;
218 : #endif
219 : int32_t _id;
220 : AudioLayer _platformAudioLayer;
221 : int64_t _lastProcessTime;
222 : PlatformType _platformType;
223 : bool _initialized;
224 : mutable ErrorCode _lastError;
225 : };
226 :
227 : } // namespace webrtc
228 :
229 : #endif // defined(WEBRTC_INCLUDE_INTERNAL_AUDIO_DEVICE)
230 :
231 : #endif // WEBRTC_MODULES_INTERFACE_AUDIO_DEVICE_IMPL_H_
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