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Diffstat (limited to 'third_party/libwebrtc/modules/audio_device/linux/audio_mixer_manager_pulse_linux.h')
-rw-r--r-- | third_party/libwebrtc/modules/audio_device/linux/audio_mixer_manager_pulse_linux.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/third_party/libwebrtc/modules/audio_device/linux/audio_mixer_manager_pulse_linux.h b/third_party/libwebrtc/modules/audio_device/linux/audio_mixer_manager_pulse_linux.h new file mode 100644 index 0000000000..546440c4a6 --- /dev/null +++ b/third_party/libwebrtc/modules/audio_device/linux/audio_mixer_manager_pulse_linux.h @@ -0,0 +1,114 @@ +/* + * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#ifndef AUDIO_DEVICE_AUDIO_MIXER_MANAGER_PULSE_LINUX_H_ +#define AUDIO_DEVICE_AUDIO_MIXER_MANAGER_PULSE_LINUX_H_ + +#include <pulse/pulseaudio.h> +#include <stdint.h> + +#include "api/sequence_checker.h" + +#ifndef UINT32_MAX +#define UINT32_MAX ((uint32_t)-1) +#endif + +namespace webrtc { + +class AudioMixerManagerLinuxPulse { + public: + int32_t SetPlayStream(pa_stream* playStream); + int32_t SetRecStream(pa_stream* recStream); + int32_t OpenSpeaker(uint16_t deviceIndex); + int32_t OpenMicrophone(uint16_t deviceIndex); + int32_t SetSpeakerVolume(uint32_t volume); + int32_t SpeakerVolume(uint32_t& volume) const; + int32_t MaxSpeakerVolume(uint32_t& maxVolume) const; + int32_t MinSpeakerVolume(uint32_t& minVolume) const; + int32_t SpeakerVolumeIsAvailable(bool& available); + int32_t SpeakerMuteIsAvailable(bool& available); + int32_t SetSpeakerMute(bool enable); + int32_t StereoPlayoutIsAvailable(bool& available); + int32_t StereoRecordingIsAvailable(bool& available); + int32_t SpeakerMute(bool& enabled) const; + int32_t MicrophoneMuteIsAvailable(bool& available); + int32_t SetMicrophoneMute(bool enable); + int32_t MicrophoneMute(bool& enabled) const; + int32_t MicrophoneVolumeIsAvailable(bool& available); + int32_t SetMicrophoneVolume(uint32_t volume); + int32_t MicrophoneVolume(uint32_t& volume) const; + int32_t MaxMicrophoneVolume(uint32_t& maxVolume) const; + int32_t MinMicrophoneVolume(uint32_t& minVolume) const; + int32_t SetPulseAudioObjects(pa_threaded_mainloop* mainloop, + pa_context* context); + int32_t Close(); + int32_t CloseSpeaker(); + int32_t CloseMicrophone(); + bool SpeakerIsInitialized() const; + bool MicrophoneIsInitialized() const; + + public: + AudioMixerManagerLinuxPulse(); + ~AudioMixerManagerLinuxPulse(); + + private: + static void PaSinkInfoCallback(pa_context* c, + const pa_sink_info* i, + int eol, + void* pThis); + static void PaSinkInputInfoCallback(pa_context* c, + const pa_sink_input_info* i, + int eol, + void* pThis); + static void PaSourceInfoCallback(pa_context* c, + const pa_source_info* i, + int eol, + void* pThis); + static void PaSetVolumeCallback(pa_context* /*c*/, + int success, + void* /*pThis*/); + void PaSinkInfoCallbackHandler(const pa_sink_info* i, int eol); + void PaSinkInputInfoCallbackHandler(const pa_sink_input_info* i, int eol); + void PaSourceInfoCallbackHandler(const pa_source_info* i, int eol); + + void WaitForOperationCompletion(pa_operation* paOperation) const; + + bool GetSinkInputInfo() const; + bool GetSinkInfoByIndex(int device_index) const; + bool GetSourceInfoByIndex(int device_index) const; + + private: + int16_t _paOutputDeviceIndex; + int16_t _paInputDeviceIndex; + + pa_stream* _paPlayStream; + pa_stream* _paRecStream; + + pa_threaded_mainloop* _paMainloop; + pa_context* _paContext; + + mutable uint32_t _paVolume; + mutable uint32_t _paMute; + mutable uint32_t _paVolSteps; + bool _paSpeakerMute; + mutable uint32_t _paSpeakerVolume; + mutable uint8_t _paChannels; + bool _paObjectsSet; + + // Stores thread ID in constructor. + // We can then use RTC_DCHECK_RUN_ON(&worker_thread_checker_) to ensure that + // other methods are called from the same thread. + // Currently only does RTC_DCHECK(thread_checker_.IsCurrent()). + SequenceChecker thread_checker_; +}; + +} // namespace webrtc + +#endif // MODULES_AUDIO_DEVICE_MAIN_SOURCE_LINUX_AUDIO_MIXER_MANAGER_PULSE_LINUX_H_ |