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/*
Audio File Library
Copyright (C) 2002, Silicon Graphics, Inc.
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.
*/
/*
printmarkers
This program lists the markers in an audio file.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <audiofile.h>
void printtime (AFframecount position, double rate)
{
double time_in_seconds;
time_in_seconds = (double) position / rate;
/* Handle hours. */
if (time_in_seconds > 3600)
{
printf("%d:", (int) (time_in_seconds / 3600));
time_in_seconds = fmod(time_in_seconds, 3600);
}
/* Handle minutes. */
if (time_in_seconds > 60)
{
printf("%02d:", (int) (time_in_seconds / 60));
time_in_seconds = fmod(time_in_seconds, 60);
}
/* Handle seconds and milliseconds. */
printf("%02.3f", time_in_seconds);
}
int main (int argc, char **argv)
{
AFfilehandle file;
double rate;
int markcount;
int *markids;
int i;
if (argc != 2)
{
fprintf(stderr, "usage: %s filename\n", argv[0]);
fprintf(stderr, "where filename is the name of an audio file containing markers\n");
exit(0);
}
file = afOpenFile(argv[1], "r", NULL);
if (file == AF_NULL_FILEHANDLE)
{
fprintf(stderr, "Could not open file '%s' for reading.", argv[1]);
exit(0);
}
markcount = afGetMarkIDs(file, AF_DEFAULT_TRACK, NULL);
if (markcount <= 0)
{
fprintf(stderr, "The file '%s' does not contain any markers.", argv[1]);
exit(0);
}
markids = calloc(markcount, sizeof (int));
if (markids == NULL)
{
fprintf(stderr, "Could not allocate enough memory for markers.");
exit(0);
}
afGetMarkIDs(file, AF_DEFAULT_TRACK, markids);
rate = afGetRate(file, AF_DEFAULT_TRACK);
for (i=0; i<markcount; i++)
{
AFframecount position;
const char *name, *comment;
position = afGetMarkPosition(file, AF_DEFAULT_TRACK, markids[i]);
name = afGetMarkName(file, AF_DEFAULT_TRACK, markids[i]);
comment = afGetMarkComment(file, AF_DEFAULT_TRACK, markids[i]);
printf("marker %d, position %lld, time ", markids[i], position);
printtime(position, rate);
printf("\n");
if (name != NULL)
printf("\tname: %s\n", name);
if (comment != NULL)
printf("\tcomment: %s\n", comment);
}
afCloseFile(file);
return EXIT_SUCCESS;
}
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