libretro-dolphin/Source/Core/AudioCommon/PulseAudioStream.h

57 lines
1.4 KiB
C++

// Copyright 2008 Dolphin Emulator Project
// Licensed under GPLv2+
// Refer to the license.txt file included.
#pragma once
#if defined(HAVE_PULSEAUDIO) && HAVE_PULSEAUDIO
#include <pulse/pulseaudio.h>
#endif
#include "AudioCommon/SoundStream.h"
#include "Common/CommonTypes.h"
#include "Common/Flag.h"
#include "Common/Thread.h"
class PulseAudio final : public SoundStream
{
#if defined(HAVE_PULSEAUDIO) && HAVE_PULSEAUDIO
public:
PulseAudio();
~PulseAudio() override;
bool Init() override;
bool SetRunning(bool running) override { return running; }
static bool isValid() { return true; }
void StateCallback(pa_context* c);
void WriteCallback(pa_stream* s, size_t length);
void UnderflowCallback(pa_stream* s);
private:
void SoundLoop() override;
bool PulseInit();
void PulseShutdown();
// wrapper callback functions, last parameter _must_ be PulseAudio*
static void StateCallback(pa_context* c, void* userdata);
static void WriteCallback(pa_stream* s, size_t length, void* userdata);
static void UnderflowCallback(pa_stream* s, void* userdata);
std::thread m_thread;
Common::Flag m_run_thread;
bool m_stereo; // stereo, else surround
int m_bytespersample;
int m_channels;
int m_pa_error;
int m_pa_connected;
pa_mainloop* m_pa_ml;
pa_mainloop_api* m_pa_mlapi;
pa_context* m_pa_ctx;
pa_stream* m_pa_s;
pa_buffer_attr m_pa_ba;
#endif
};