libaudiofile/track.c

   1 /*
   2         Audio File Library
   3         Copyright (C) 1998, Michael Pruett <michael@68k.org>
   4
   5         This library is free software; you can redistribute it and/or
   6         modify it under the terms of the GNU Library General Public
   7         License as published by the Free Software Foundation; either
   8         version 2 of the License, or (at your option) any later version.
   9
  10         This library is distributed in the hope that it will be useful,
  11         but WITHOUT ANY WARRANTY; without even the implied warranty of
  12         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13         Library General Public License for more details.
  14
  15         You should have received a copy of the GNU Library General Public
  16         License along with this library; if not, write to the
  17         Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18         Boston, MA  02111-1307  USA.
  19 */
  20
  21 /*
  22         track.c
  23
  24         This file contains functions for dealing with tracks within an
  25         audio file.
  26 */
  27
  28 #ifdef HAVE_CONFIG_H
  29 #include <config.h>
  30 #endif
  31
  32 #include <stddef.h>
  33 #include <string.h>
  34 #include <assert.h>
  35
  36 #include "audiofile.h"
  37 #include "afinternal.h"
  38 #include "util.h"
  39
  40 void afInitTrackIDs (AFfilesetup file, int *trackids, int trackCount)
  41 {
  42         assert(file);
  43         assert(trackids);
  44         assert(trackCount == 1);
  45         assert(trackids[0] == AF_DEFAULT_TRACK);
  46 }
  47
  48 int afGetTrackIDs (AFfilehandle file, int *trackids)
  49 {
  50         assert(file);
  51
  52         if (trackids != NULL)
  53                 trackids[0] = AF_DEFAULT_TRACK;
  54
  55         return 1;
  56 }
  57
  58 _Track *_af_track_new (void)
  59 {
  60         _Track  *t = _af_malloc(sizeof (_Track));
  61
  62         t->id = AF_DEFAULT_TRACK;
  63
  64         t->f.compressionParams = NULL;
  65         t->v.compressionParams = NULL;
  66
  67         t->channelMatrix = NULL;
  68
  69         t->markerCount = 0;
  70         t->markers = NULL;
  71
  72         t->hasAESData = false;
  73         memset(t->aesData, 0, 24);
  74
  75         t->totalfframes = 0;
  76         t->nextfframe = 0;
  77         t->frames2ignore = 0;
  78         t->fpos_first_frame = 0;
  79         t->fpos_next_frame = 0;
  80         t->fpos_after_data = 0;
  81         t->totalvframes = 0;
  82         t->nextvframe = 0;
  83         t->data_size = 0;
  84
  85         t->ms.modulesdirty = true;
  86         t->ms.nmodules = 0;
  87         t->ms.chunk = NULL;
  88         t->ms.module = NULL;
  89         t->ms.buffer = NULL;
  90
  91         t->ms.filemodinst.valid = false;
  92         t->ms.filemod_rebufferinst.valid = false;
  93         t->ms.rateconvertinst.valid = false;
  94         t->ms.rateconvert_rebufferinst.valid = false;
  95
  96         return t;
  97 }