mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2024-09-20 11:21:43 +02:00
81 lines
2 KiB
C++
81 lines
2 KiB
C++
// Copyright 2013 Dolphin Emulator Project
|
|
// Licensed under GPLv2
|
|
// Refer to the license.txt file included.
|
|
|
|
#pragma once
|
|
|
|
#include <thread>
|
|
|
|
#include "AudioCommon/SoundStream.h"
|
|
#include "Common/Event.h"
|
|
#include "Core/Core.h"
|
|
#include "Core/HW/AudioInterface.h"
|
|
#include "Core/HW/SystemTimers.h"
|
|
|
|
#if defined HAVE_OPENAL && HAVE_OPENAL
|
|
#ifdef _WIN32
|
|
#include <OpenAL/include/al.h>
|
|
#include <OpenAL/include/alc.h>
|
|
#include <OpenAL/include/alext.h>
|
|
#elif defined __APPLE__
|
|
#include <OpenAL/al.h>
|
|
#include <OpenAL/alc.h>
|
|
#else
|
|
#include <AL/al.h>
|
|
#include <AL/alc.h>
|
|
#include <AL/alext.h>
|
|
#endif
|
|
|
|
#include <soundtouch/SoundTouch.h>
|
|
#include <soundtouch/STTypes.h>
|
|
|
|
// 16 bit Stereo
|
|
#define SFX_MAX_SOURCE 1
|
|
#define OAL_MAX_BUFFERS 32
|
|
#define OAL_MAX_SAMPLES 256
|
|
#define STEREO_CHANNELS 2
|
|
#define SURROUND_CHANNELS 6 // number of channels in surround mode
|
|
#define SIZE_SHORT 2
|
|
#define SIZE_FLOAT 4 // size of a float in bytes
|
|
#define FRAME_STEREO_SHORT STEREO_CHANNELS * SIZE_SHORT
|
|
#define FRAME_STEREO_FLOAT STEREO_CHANNELS * SIZE_FLOAT
|
|
#define FRAME_SURROUND_FLOAT SURROUND_CHANNELS * SIZE_FLOAT
|
|
#endif
|
|
|
|
class OpenALStream final : public SoundStream
|
|
{
|
|
#if defined HAVE_OPENAL && HAVE_OPENAL
|
|
public:
|
|
OpenALStream(CMixer *mixer)
|
|
: SoundStream(mixer)
|
|
, uiSource(0)
|
|
{}
|
|
|
|
virtual ~OpenALStream() {}
|
|
|
|
virtual bool Start() override;
|
|
virtual void SoundLoop() override;
|
|
virtual void SetVolume(int volume) override;
|
|
virtual void Stop() override;
|
|
virtual void Clear(bool mute) override;
|
|
static bool isValid() { return true; }
|
|
virtual void Update() override;
|
|
|
|
private:
|
|
std::thread thread;
|
|
Common::Event soundSyncEvent;
|
|
|
|
short realtimeBuffer[OAL_MAX_SAMPLES * STEREO_CHANNELS];
|
|
soundtouch::SAMPLETYPE sampleBuffer[OAL_MAX_SAMPLES * SURROUND_CHANNELS * OAL_MAX_BUFFERS];
|
|
ALuint uiBuffers[OAL_MAX_BUFFERS];
|
|
ALuint uiSource;
|
|
ALfloat fVolume;
|
|
|
|
u8 numBuffers;
|
|
#else
|
|
public:
|
|
OpenALStream(CMixer *mixer)
|
|
: SoundStream(mixer)
|
|
{}
|
|
#endif // HAVE_OPENAL
|
|
};
|