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_MIXER_MANAGER_PULSE_LINUX_H 12 #define WEBRTC_AUDIO_DEVICE_AUDIO_MIXER_MANAGER_PULSE_LINUX_H 13 14 #include "webrtc/modules/audio_device/include/audio_device.h" 15 #include "webrtc/modules/audio_device/linux/pulseaudiosymboltable_linux.h" 16 #include "webrtc/system_wrappers/interface/critical_section_wrapper.h" 17 #include "webrtc/typedefs.h" 18 19 #include <pulse/pulseaudio.h> 20 #include <stdint.h> 21 22 #ifndef UINT32_MAX 23 #define UINT32_MAX ((uint32_t)-1) 24 #endif 25 26 namespace webrtc 27 { 28 29 class AudioMixerManagerLinuxPulse 30 { 31 public: 32 int32_t SetPlayStream(pa_stream* playStream); 33 int32_t SetRecStream(pa_stream* recStream); 34 int32_t OpenSpeaker(uint16_t deviceIndex); 35 int32_t OpenMicrophone(uint16_t deviceIndex); 36 int32_t SetSpeakerVolume(uint32_t volume); 37 int32_t SpeakerVolume(uint32_t& volume) const; 38 int32_t MaxSpeakerVolume(uint32_t& maxVolume) const; 39 int32_t MinSpeakerVolume(uint32_t& minVolume) const; 40 int32_t SpeakerVolumeStepSize(uint16_t& stepSize) const; 41 int32_t SpeakerVolumeIsAvailable(bool& available); 42 int32_t SpeakerMuteIsAvailable(bool& available); 43 int32_t SetSpeakerMute(bool enable); 44 int32_t StereoPlayoutIsAvailable(bool& available); 45 int32_t StereoRecordingIsAvailable(bool& available); 46 int32_t SpeakerMute(bool& enabled) const; 47 int32_t MicrophoneMuteIsAvailable(bool& available); 48 int32_t SetMicrophoneMute(bool enable); 49 int32_t MicrophoneMute(bool& enabled) const; 50 int32_t MicrophoneBoostIsAvailable(bool& available); 51 int32_t SetMicrophoneBoost(bool enable); 52 int32_t MicrophoneBoost(bool& enabled) const; 53 int32_t MicrophoneVolumeIsAvailable(bool& available); 54 int32_t SetMicrophoneVolume(uint32_t volume); 55 int32_t MicrophoneVolume(uint32_t& volume) const; 56 int32_t MaxMicrophoneVolume(uint32_t& maxVolume) const; 57 int32_t MinMicrophoneVolume(uint32_t& minVolume) const; 58 int32_t MicrophoneVolumeStepSize(uint16_t& stepSize) const; 59 int32_t SetPulseAudioObjects(pa_threaded_mainloop* mainloop, 60 pa_context* context); 61 int32_t Close(); 62 int32_t CloseSpeaker(); 63 int32_t CloseMicrophone(); 64 bool SpeakerIsInitialized() const; 65 bool MicrophoneIsInitialized() const; 66 67 public: 68 AudioMixerManagerLinuxPulse(const int32_t id); 69 ~AudioMixerManagerLinuxPulse(); 70 71 private: 72 static void PaSinkInfoCallback(pa_context *c, const pa_sink_info *i, 73 int eol, void *pThis); 74 static void PaSinkInputInfoCallback(pa_context *c, 75 const pa_sink_input_info *i, int eol, 76 void *pThis); 77 static void PaSourceInfoCallback(pa_context *c, const pa_source_info *i, 78 int eol, void *pThis); 79 static void 80 PaSetVolumeCallback(pa_context* /*c*/, int success, void* /*pThis*/); 81 void PaSinkInfoCallbackHandler(const pa_sink_info *i, int eol); 82 void PaSinkInputInfoCallbackHandler(const pa_sink_input_info *i, int eol); 83 void PaSourceInfoCallbackHandler(const pa_source_info *i, int eol); 84 85 void ResetCallbackVariables() const; 86 void WaitForOperationCompletion(pa_operation* paOperation) const; 87 void PaLock() const; 88 void PaUnLock() const; 89 90 bool GetSinkInputInfo() const; 91 bool GetSinkInfoByIndex(int device_index)const ; 92 bool GetSourceInfoByIndex(int device_index) const; 93 94 private: 95 CriticalSectionWrapper& _critSect; 96 int32_t _id; 97 int16_t _paOutputDeviceIndex; 98 int16_t _paInputDeviceIndex; 99 100 pa_stream* _paPlayStream; 101 pa_stream* _paRecStream; 102 103 pa_threaded_mainloop* _paMainloop; 104 pa_context* _paContext; 105 106 mutable uint32_t _paVolume; 107 mutable uint32_t _paMute; 108 mutable uint32_t _paVolSteps; 109 bool _paSpeakerMute; 110 mutable uint32_t _paSpeakerVolume; 111 mutable uint8_t _paChannels; 112 bool _paObjectsSet; 113 mutable bool _callbackValues; 114 }; 115 116 } 117 118 #endif // MODULES_AUDIO_DEVICE_MAIN_SOURCE_LINUX_AUDIO_MIXER_MANAGER_PULSE_LINUX_H_ 119