127 lines
2.8 KiB
C
127 lines
2.8 KiB
C
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/*
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Audio File Library
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Copyright (C) 2002, Silicon Graphics, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/*
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printmarkers
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This program lists the markers in an audio file.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <math.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <audiofile.h>
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void printtime (AFframecount position, double rate)
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{
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double time_in_seconds;
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time_in_seconds = (double) position / rate;
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/* Handle hours. */
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if (time_in_seconds > 3600)
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{
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printf("%d:", (int) (time_in_seconds / 3600));
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time_in_seconds = fmod(time_in_seconds, 3600);
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}
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/* Handle minutes. */
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if (time_in_seconds > 60)
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{
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printf("%02d:", (int) (time_in_seconds / 60));
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time_in_seconds = fmod(time_in_seconds, 60);
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}
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/* Handle seconds and milliseconds. */
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printf("%02.3f", time_in_seconds);
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}
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int main (int argc, char **argv)
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{
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AFfilehandle file;
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double rate;
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int markcount;
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int *markids;
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int i;
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if (argc != 2)
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{
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fprintf(stderr, "usage: %s filename\n", argv[0]);
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fprintf(stderr, "where filename is the name of an audio file containing markers\n");
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exit(0);
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}
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file = afOpenFile(argv[1], "r", NULL);
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if (file == AF_NULL_FILEHANDLE)
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{
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fprintf(stderr, "Could not open file '%s' for reading.", argv[1]);
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exit(0);
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}
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markcount = afGetMarkIDs(file, AF_DEFAULT_TRACK, NULL);
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if (markcount <= 0)
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{
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fprintf(stderr, "The file '%s' does not contain any markers.", argv[1]);
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exit(0);
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}
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markids = calloc(markcount, sizeof (int));
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if (markids == NULL)
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{
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fprintf(stderr, "Could not allocate enough memory for markers.");
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exit(0);
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}
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afGetMarkIDs(file, AF_DEFAULT_TRACK, markids);
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rate = afGetRate(file, AF_DEFAULT_TRACK);
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for (i=0; i<markcount; i++)
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{
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AFframecount position;
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const char *name, *comment;
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position = afGetMarkPosition(file, AF_DEFAULT_TRACK, markids[i]);
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name = afGetMarkName(file, AF_DEFAULT_TRACK, markids[i]);
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comment = afGetMarkComment(file, AF_DEFAULT_TRACK, markids[i]);
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printf("marker %d, position %lld, time ", markids[i], position);
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printtime(position, rate);
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printf("\n");
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if (name != NULL)
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printf("\tname: %s\n", name);
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if (comment != NULL)
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printf("\tcomment: %s\n", comment);
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}
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afCloseFile(file);
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return EXIT_SUCCESS;
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}
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