SoundBufferWav.cpp

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////////////////////////////////////////////////////////////////////////////////
//    Scorched3D (c) 2000-2009
//
//    This file is part of Scorched3D.
//
//    Scorched3D is free software; you can redistribute it and/or modify
//    it under the terms of the GNU General Public License as published by
//    the Free Software Foundation; either version 2 of the License, or
//    (at your option) any later version.
//
//    Scorched3D is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//    GNU General Public License for more details.
//
//    You should have received a copy of the GNU General Public License
//    along with Scorched3D; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
////////////////////////////////////////////////////////////////////////////////

#include <sound/SoundBufferWav.h>
#include <sound/SoundBufferStaticSourceInstance.h>
#include <sound/Sound.h>
#ifdef __DARWIN__
#include <OpenAL/al.h>
#include <OpenAL/alut.h>
#else
#include <AL/al.h>
#include <AL/alut.h>
#endif

SoundBufferWav::SoundBufferWav(const char *fileName) : 
        SoundBuffer(fileName),
        buffer_(0)
{
        unsigned int error;

        // Create a buffer
        alGetError();
        alGenBuffers(1, &buffer_);
        if ((error = alGetError()) != AL_NO_ERROR)
        {
                return;
        }

        // Load WAV
        void *data;
        ALenum format;
        ALsizei size;
        ALsizei freq;
        ALboolean loop;

#ifdef __DARWIN__
        alutLoadWAVFile((ALbyte*) fileName,&format,&data,&size,&freq);
#else
        alutLoadWAVFile((ALbyte*) fileName,&format,&data,&size,&freq,&loop);
#endif

        if ((error = alGetError()) != AL_NO_ERROR)
        {
                return;
        }

        // Load WAV into buffer
        alBufferData(buffer_,format,data,size,freq);
        if ((error = alGetError()) != AL_NO_ERROR)
        {
                return;
        }

        // Delete WAV memory
        alutUnloadWAV(format,data,size,freq);
        if ((error = alGetError()) != AL_NO_ERROR)
        {
                return;
        }
}

SoundBufferWav::~SoundBufferWav()
{
        if (buffer_) alDeleteBuffers (1, &buffer_);
        buffer_ = 0;
}

SoundBufferSourceInstance *SoundBufferWav::createSourceInstance(unsigned int source)
{
        return new SoundBufferStaticSourceInstance(source, buffer_);
}

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