track.c
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/*
Audio File Library
Copyright (C) 1998, Michael Pruett <michael@68k.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307 USA.
*/
/*
track.c
This file contains functions for dealing with tracks within an
audio file.
*/
#include <stddef.h>
#include <string.h>
#include <assert.h>
#include "audiofile.h"
#include "afinternal.h"
#include "util.h"
void afInitTrackIDs (AFfilesetup file, int *trackids, int trackCount)
{
assert(file);
assert(trackids);
assert(trackCount == 1);
assert(trackids[0] == AF_DEFAULT_TRACK);
}
int afGetTrackIDs (AFfilehandle file, int *trackids)
{
assert(file);
if (trackids != NULL)
trackids[0] = AF_DEFAULT_TRACK;
return 1;
}
_Track *_af_track_new (void)
{
_Track *t = _af_malloc(sizeof (_Track));
t->id = AF_DEFAULT_TRACK;
t->f.compressionParams = NULL;
t->v.compressionParams = NULL;
t->channelMatrix = NULL;
t->markerCount = 0;
t->markers = NULL;
t->hasAESData = AF_FALSE;
memset(t->aesData, 0, 24);
t->totalfframes = 0;
t->nextfframe = 0;
t->frames2ignore = 0;
t->fpos_first_frame = 0;
t->fpos_next_frame = 0;
t->fpos_after_data = 0;
t->totalvframes = 0;
t->nextvframe = 0;
t->data_size = 0;
t->ms.modulesdirty = AF_TRUE;
t->ms.nmodules = 0;
t->ms.chunk = NULL;
t->ms.module = NULL;
t->ms.buffer = NULL;
t->ms.filemodinst.valid = AF_FALSE;
t->ms.filemod_rebufferinst.valid = AF_FALSE;
t->ms.rateconvertinst.valid = AF_FALSE;
t->ms.rateconvert_rebufferinst.valid = AF_FALSE;
return t;
}