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/*
* Copyright (c) 2011 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 WEBRTC_AUDIO_DEVICE_AUDIO_MIXER_MANAGER_PULSE_LINUX_H
#define WEBRTC_AUDIO_DEVICE_AUDIO_MIXER_MANAGER_PULSE_LINUX_H
#include "typedefs.h"
#include "audio_device.h"
#include "critical_section_wrapper.h"
#include "pulseaudiosymboltable_linux.h"
#include <stdint.h>
#include <pulse/pulseaudio.h>
#ifndef UINT32_MAX
#define UINT32_MAX ((uint32_t)-1)
#endif
namespace webrtc
{
class AudioMixerManagerLinuxPulse
{
public:
WebRtc_Word32 SetPlayStream(pa_stream* playStream);
WebRtc_Word32 SetRecStream(pa_stream* recStream);
WebRtc_Word32 OpenSpeaker(WebRtc_UWord16 deviceIndex);
WebRtc_Word32 OpenMicrophone(WebRtc_UWord16 deviceIndex);
WebRtc_Word32 SetSpeakerVolume(WebRtc_UWord32 volume);
WebRtc_Word32 SpeakerVolume(WebRtc_UWord32& volume) const;
WebRtc_Word32 MaxSpeakerVolume(WebRtc_UWord32& maxVolume) const;
WebRtc_Word32 MinSpeakerVolume(WebRtc_UWord32& minVolume) const;
WebRtc_Word32 SpeakerVolumeStepSize(WebRtc_UWord16& stepSize) const;
WebRtc_Word32 SpeakerVolumeIsAvailable(bool& available);
WebRtc_Word32 SpeakerMuteIsAvailable(bool& available);
WebRtc_Word32 SetSpeakerMute(bool enable);
WebRtc_Word32 StereoPlayoutIsAvailable(bool& available);
WebRtc_Word32 StereoRecordingIsAvailable(bool& available);
WebRtc_Word32 SpeakerMute(bool& enabled) const;
WebRtc_Word32 MicrophoneMuteIsAvailable(bool& available);
WebRtc_Word32 SetMicrophoneMute(bool enable);
WebRtc_Word32 MicrophoneMute(bool& enabled) const;
WebRtc_Word32 MicrophoneBoostIsAvailable(bool& available);
WebRtc_Word32 SetMicrophoneBoost(bool enable);
WebRtc_Word32 MicrophoneBoost(bool& enabled) const;
WebRtc_Word32 MicrophoneVolumeIsAvailable(bool& available);
WebRtc_Word32 SetMicrophoneVolume(WebRtc_UWord32 volume);
WebRtc_Word32 MicrophoneVolume(WebRtc_UWord32& volume) const;
WebRtc_Word32 MaxMicrophoneVolume(WebRtc_UWord32& maxVolume) const;
WebRtc_Word32 MinMicrophoneVolume(WebRtc_UWord32& minVolume) const;
WebRtc_Word32 MicrophoneVolumeStepSize(WebRtc_UWord16& stepSize) const;
WebRtc_Word32 SetPulseAudioObjects(pa_threaded_mainloop* mainloop,
pa_context* context);
WebRtc_Word32 Close();
WebRtc_Word32 CloseSpeaker();
WebRtc_Word32 CloseMicrophone();
bool SpeakerIsInitialized() const;
bool MicrophoneIsInitialized() const;
public:
AudioMixerManagerLinuxPulse(const WebRtc_Word32 id);
~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 ResetCallbackVariables() const;
void WaitForOperationCompletion(pa_operation* paOperation) const;
void PaLock() const;
void PaUnLock() const;
private:
CriticalSectionWrapper& _critSect;
WebRtc_Word32 _id;
WebRtc_Word16 _paOutputDeviceIndex;
WebRtc_Word16 _paInputDeviceIndex;
pa_stream* _paPlayStream;
pa_stream* _paRecStream;
pa_threaded_mainloop* _paMainloop;
pa_context* _paContext;
mutable WebRtc_UWord32 _paVolume;
mutable WebRtc_UWord32 _paMute;
mutable WebRtc_UWord32 _paVolSteps;
bool _paSpeakerMute;
mutable WebRtc_UWord32 _paSpeakerVolume;
mutable WebRtc_UWord8 _paChannels;
bool _paObjectsSet;
mutable bool _callbackValues;
WebRtc_UWord8 _micVolChannels;
WebRtc_UWord8 _spkVolChannels;
};
}
#endif // MODULES_AUDIO_DEVICE_MAIN_SOURCE_LINUX_AUDIO_MIXER_MANAGER_PULSE_LINUX_H_