forked from dolphin-emu/dolphin
82 lines
2.0 KiB
C++
82 lines
2.0 KiB
C++
// Copyright 2013 Dolphin Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#ifndef _OPENALSTREAM_H_
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#define _OPENALSTREAM_H_
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#include "SoundStream.h"
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#include "Thread.h"
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#if defined HAVE_OPENAL && HAVE_OPENAL
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#ifdef _WIN32
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#include <OpenAL/include/al.h>
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#include <OpenAL/include/alc.h>
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#include <OpenAL/include/alext.h>
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#elif defined __APPLE__
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#include <OpenAL/al.h>
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#include <OpenAL/alc.h>
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#else
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#include <AL/al.h>
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#include <AL/alc.h>
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#include <AL/alext.h>
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#endif
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#include "Core.h"
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#include "HW/SystemTimers.h"
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#include "HW/AudioInterface.h"
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#include <soundtouch/SoundTouch.h>
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#include <soundtouch/STTypes.h>
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// 16 bit Stereo
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#define SFX_MAX_SOURCE 1
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#define OAL_MAX_BUFFERS 32
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#define OAL_MAX_SAMPLES 256
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#define STEREO_CHANNELS 2
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#define SURROUND_CHANNELS 6 // number of channels in surround mode
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#define SIZE_SHORT 2
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#define SIZE_FLOAT 4 // size of a float in bytes
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#define FRAME_STEREO_SHORT STEREO_CHANNELS * SIZE_SHORT
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#define FRAME_STEREO_FLOAT STEREO_CHANNELS * SIZE_FLOAT
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#define FRAME_SURROUND_FLOAT SURROUND_CHANNELS * SIZE_FLOAT
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#endif
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class OpenALStream: public SoundStream
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{
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#if defined HAVE_OPENAL && HAVE_OPENAL
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public:
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OpenALStream(CMixer *mixer, void *hWnd = NULL)
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: SoundStream(mixer)
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, uiSource(0)
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{};
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virtual ~OpenALStream() {};
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virtual bool Start();
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virtual void SoundLoop();
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virtual void SetVolume(int volume);
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virtual void Stop();
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virtual void Clear(bool mute);
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static bool isValid() { return true; }
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virtual bool usesMixer() const { return true; }
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virtual void Update();
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private:
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std::thread thread;
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Common::Event soundSyncEvent;
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short realtimeBuffer[OAL_MAX_SAMPLES * STEREO_CHANNELS];
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soundtouch::SAMPLETYPE sampleBuffer[OAL_MAX_SAMPLES * SURROUND_CHANNELS * OAL_MAX_BUFFERS];
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ALuint uiBuffers[OAL_MAX_BUFFERS];
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ALuint uiSource;
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ALfloat fVolume;
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u8 numBuffers;
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#else
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public:
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OpenALStream(CMixer *mixer, void *hWnd = NULL): SoundStream(mixer) {}
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#endif // HAVE_OPENAL
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};
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#endif // OPENALSTREAM
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