91 lines
2.3 KiB
C++
91 lines
2.3 KiB
C++
// Copyright (C) 2003 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#ifndef _OPENALSTREAM_H_
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#define _OPENALSTREAM_H_
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#include "Common.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 SURROUND_CHANNELS 6 // number of channels in surround mode
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#define SIZE_FLOAT 4 // size of a float in bytes
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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 * 2];
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soundtouch::SAMPLETYPE sampleBuffer[OAL_MAX_SAMPLES * SIZE_FLOAT * 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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