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/*================================================================
* sample.c
* convert SBK parameters and calculate loop sizes
*
* Copyright (C) 1996-1999 Takashi Iwai
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*================================================================*/
#include "sffile.h"
#include "sfitem.h"
#include "util.h"
/* add blank loop for each data */
int awe_auto_add_blank = 0;
void awe_correct_samples(SFInfo *sf)
{
int i;
SFSampleInfo *sp;
int prev_end;
prev_end = 0;
for (sp = sf->sample, i = 0; i < sf->nsamples; i++, sp++) {
/* correct sample positions for SBK file */
if (sf->version == 1) {
sp->startloop++;
sp->endloop += 2;
}
/* calculate sample data size */
if (sp->sampletype & 0x8000)
sp->size = 0;
else if (sp->startsample < prev_end && sp->startsample != 0)
sp->size = 0;
else {
sp->size = -1;
if (!awe_auto_add_blank && i != sf->nsamples-1)
sp->size = sp[1].startsample - sp->startsample;
if (sp->size < 0)
sp->size = sp->endsample - sp->startsample + 48;
}
prev_end = sp->endsample;
/* calculate short-shot loop size */
if (awe_auto_add_blank || i == sf->nsamples-1)
sp->loopshot = 48;
else {
sp->loopshot = sp[1].startsample - sp->endsample;
if (sp->loopshot < 0 || sp->loopshot > 48)
sp->loopshot = 48;
}
}
}
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