SoundFlex.cpp

Go to the documentation of this file.

/*
Copyright (C) 2003-2005  The Pentagram Team

This program 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.

This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

#include "pent_include.h"

#include "SoundFlex.h"
#include "SonarcAudioSample.h"
#include "IDataSource.h"

DEFINE_RUNTIME_CLASSTYPE_CODE(SoundFlex,Pentagram::Archive);


SoundFlex::SoundFlex(IDataSource* ds) : Archive(ds)
{
        samples = 0;
}

SoundFlex::~SoundFlex()
{
        Archive::uncache();
        delete [] samples;
}

void SoundFlex::cache(uint32 index)
{
        if (index >= count) return;

        if (!samples) 
        {
                samples = new Pentagram::AudioSample * [count];
                std::memset(samples, 0, sizeof (Pentagram::AudioSample*) * count);
        }

        if (samples[index]) return;

        // This will cache the data
        uint32 size;
        uint8 *buf = getRawObject(index, &size);

        if (!buf || !size) return;
        
        samples[index] = new Pentagram::SonarcAudioSample(buf,size);
}

void SoundFlex::uncache(uint32 index)
{
        if (index >= count) return;
        if (!samples) return;

        delete samples[index];
        samples[index] = 0;
}

bool SoundFlex::isCached(uint32 index)
{
        if (index >= count) return false;
        if (!samples) return false;

        return (samples[index] != 0);
}

---