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1 /* | 1 /* |
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 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 | 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 | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
11 #ifndef WEBRTC_AUDIO_DEVICE_AUDIO_DEVICE_ALSA_LINUX_H | 11 #ifndef WEBRTC_AUDIO_DEVICE_AUDIO_DEVICE_ALSA_LINUX_H |
12 #define WEBRTC_AUDIO_DEVICE_AUDIO_DEVICE_ALSA_LINUX_H | 12 #define WEBRTC_AUDIO_DEVICE_AUDIO_DEVICE_ALSA_LINUX_H |
13 | 13 |
14 #include <memory> | 14 #include <memory> |
15 | 15 |
| 16 #include "webrtc/base/criticalsection.h" |
16 #include "webrtc/base/platform_thread.h" | 17 #include "webrtc/base/platform_thread.h" |
17 #include "webrtc/modules/audio_device/audio_device_generic.h" | 18 #include "webrtc/modules/audio_device/audio_device_generic.h" |
18 #include "webrtc/modules/audio_device/linux/audio_mixer_manager_alsa_linux.h" | 19 #include "webrtc/modules/audio_device/linux/audio_mixer_manager_alsa_linux.h" |
19 #include "webrtc/system_wrappers/include/critical_section_wrapper.h" | |
20 | 20 |
21 #if defined(USE_X11) | 21 #if defined(USE_X11) |
22 #include <X11/Xlib.h> | 22 #include <X11/Xlib.h> |
23 #endif | 23 #endif |
24 #include <alsa/asoundlib.h> | 24 #include <alsa/asoundlib.h> |
25 #include <sys/ioctl.h> | 25 #include <sys/ioctl.h> |
26 #include <sys/soundcard.h> | 26 #include <sys/soundcard.h> |
27 | 27 |
28 | 28 |
29 namespace webrtc | 29 namespace webrtc |
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138 int32_t SetPlayoutBuffer(const AudioDeviceModule::BufferType type, | 138 int32_t SetPlayoutBuffer(const AudioDeviceModule::BufferType type, |
139 uint16_t sizeMS) override; | 139 uint16_t sizeMS) override; |
140 int32_t PlayoutBuffer(AudioDeviceModule::BufferType& type, | 140 int32_t PlayoutBuffer(AudioDeviceModule::BufferType& type, |
141 uint16_t& sizeMS) const override; | 141 uint16_t& sizeMS) const override; |
142 int32_t PlayoutDelay(uint16_t& delayMS) const override; | 142 int32_t PlayoutDelay(uint16_t& delayMS) const override; |
143 int32_t RecordingDelay(uint16_t& delayMS) const override; | 143 int32_t RecordingDelay(uint16_t& delayMS) const override; |
144 | 144 |
145 // CPU load | 145 // CPU load |
146 int32_t CPULoad(uint16_t& load) const override; | 146 int32_t CPULoad(uint16_t& load) const override; |
147 | 147 |
148 public: | |
149 bool PlayoutWarning() const override; | 148 bool PlayoutWarning() const override; |
150 bool PlayoutError() const override; | 149 bool PlayoutError() const override; |
151 bool RecordingWarning() const override; | 150 bool RecordingWarning() const override; |
152 bool RecordingError() const override; | 151 bool RecordingError() const override; |
153 void ClearPlayoutWarning() override; | 152 void ClearPlayoutWarning() override; |
154 void ClearPlayoutError() override; | 153 void ClearPlayoutError() override; |
155 void ClearRecordingWarning() override; | 154 void ClearRecordingWarning() override; |
156 void ClearRecordingError() override; | 155 void ClearRecordingError() override; |
157 | 156 |
158 public: | |
159 void AttachAudioBuffer(AudioDeviceBuffer* audioBuffer) override; | 157 void AttachAudioBuffer(AudioDeviceBuffer* audioBuffer) override; |
160 | 158 |
161 private: | 159 private: |
162 int32_t GetDevicesInfo(const int32_t function, | 160 int32_t GetDevicesInfo(const int32_t function, |
163 const bool playback, | 161 const bool playback, |
164 const int32_t enumDeviceNo = 0, | 162 const int32_t enumDeviceNo = 0, |
165 char* enumDeviceName = NULL, | 163 char* enumDeviceName = NULL, |
166 const int32_t ednLen = 0) const; | 164 const int32_t ednLen = 0) const; |
167 int32_t ErrorRecovery(int32_t error, snd_pcm_t* deviceHandle); | 165 int32_t ErrorRecovery(int32_t error, snd_pcm_t* deviceHandle); |
168 | 166 |
169 private: | |
170 bool KeyPressed() const; | 167 bool KeyPressed() const; |
171 | 168 |
172 private: | |
173 void Lock() EXCLUSIVE_LOCK_FUNCTION(_critSect) { _critSect.Enter(); }; | 169 void Lock() EXCLUSIVE_LOCK_FUNCTION(_critSect) { _critSect.Enter(); }; |
174 void UnLock() UNLOCK_FUNCTION(_critSect) { _critSect.Leave(); }; | 170 void UnLock() UNLOCK_FUNCTION(_critSect) { _critSect.Leave(); }; |
175 private: | 171 |
176 inline int32_t InputSanityCheckAfterUnlockedPeriod() const; | 172 inline int32_t InputSanityCheckAfterUnlockedPeriod() const; |
177 inline int32_t OutputSanityCheckAfterUnlockedPeriod() const; | 173 inline int32_t OutputSanityCheckAfterUnlockedPeriod() const; |
178 | 174 |
179 private: | |
180 static bool RecThreadFunc(void*); | 175 static bool RecThreadFunc(void*); |
181 static bool PlayThreadFunc(void*); | 176 static bool PlayThreadFunc(void*); |
182 bool RecThreadProcess(); | 177 bool RecThreadProcess(); |
183 bool PlayThreadProcess(); | 178 bool PlayThreadProcess(); |
184 | 179 |
185 private: | |
186 AudioDeviceBuffer* _ptrAudioBuffer; | 180 AudioDeviceBuffer* _ptrAudioBuffer; |
187 | 181 |
188 CriticalSectionWrapper& _critSect; | 182 rtc::CriticalSection _critSect; |
189 | 183 |
190 // TODO(pbos): Make plain members and start/stop instead of resetting these | 184 // TODO(pbos): Make plain members and start/stop instead of resetting these |
191 // pointers. A thread can be reused. | 185 // pointers. A thread can be reused. |
192 std::unique_ptr<rtc::PlatformThread> _ptrThreadRec; | 186 std::unique_ptr<rtc::PlatformThread> _ptrThreadRec; |
193 std::unique_ptr<rtc::PlatformThread> _ptrThreadPlay; | 187 std::unique_ptr<rtc::PlatformThread> _ptrThreadPlay; |
194 | 188 |
195 int32_t _id; | 189 int32_t _id; |
196 | 190 |
197 AudioMixerManagerLinuxALSA _mixerManager; | 191 AudioMixerManagerLinuxALSA _mixerManager; |
198 | 192 |
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219 uint8_t _recChannels; | 213 uint8_t _recChannels; |
220 uint8_t _playChannels; | 214 uint8_t _playChannels; |
221 | 215 |
222 int8_t* _recordingBuffer; // in byte | 216 int8_t* _recordingBuffer; // in byte |
223 int8_t* _playoutBuffer; // in byte | 217 int8_t* _playoutBuffer; // in byte |
224 uint32_t _recordingFramesLeft; | 218 uint32_t _recordingFramesLeft; |
225 uint32_t _playoutFramesLeft; | 219 uint32_t _playoutFramesLeft; |
226 | 220 |
227 AudioDeviceModule::BufferType _playBufType; | 221 AudioDeviceModule::BufferType _playBufType; |
228 | 222 |
229 private: | |
230 bool _initialized; | 223 bool _initialized; |
231 bool _recording; | 224 bool _recording; |
232 bool _playing; | 225 bool _playing; |
233 bool _recIsInitialized; | 226 bool _recIsInitialized; |
234 bool _playIsInitialized; | 227 bool _playIsInitialized; |
235 bool _AGC; | 228 bool _AGC; |
236 | 229 |
237 snd_pcm_sframes_t _recordingDelay; | 230 snd_pcm_sframes_t _recordingDelay; |
238 snd_pcm_sframes_t _playoutDelay; | 231 snd_pcm_sframes_t _playoutDelay; |
239 | 232 |
240 uint16_t _playWarning; | 233 uint16_t _playWarning; |
241 uint16_t _playError; | 234 uint16_t _playError; |
242 uint16_t _recWarning; | 235 uint16_t _recWarning; |
243 uint16_t _recError; | 236 uint16_t _recError; |
244 | 237 |
245 uint16_t _playBufDelay; // playback delay | 238 uint16_t _playBufDelay; // playback delay |
246 uint16_t _playBufDelayFixed; // fixed playback delay | 239 uint16_t _playBufDelayFixed; // fixed playback delay |
247 | 240 |
248 char _oldKeyState[32]; | 241 char _oldKeyState[32]; |
249 #if defined(USE_X11) | 242 #if defined(USE_X11) |
250 Display* _XDisplay; | 243 Display* _XDisplay; |
251 #endif | 244 #endif |
252 }; | 245 }; |
253 | 246 |
254 } | 247 } |
255 | 248 |
256 #endif // MODULES_AUDIO_DEVICE_MAIN_SOURCE_LINUX_AUDIO_DEVICE_ALSA_LINUX_H_ | 249 #endif // MODULES_AUDIO_DEVICE_MAIN_SOURCE_LINUX_AUDIO_DEVICE_ALSA_LINUX_H_ |
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