127 lines
2.8 KiB
C
127 lines
2.8 KiB
C
/*
|
|
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.,
|
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 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;
|
|
}
|