chiark / gitweb /
Merge branch 'master' of git.distorted.org.uk:~mdw/publish/public-git/disorder
[disorder] / plugins / tracklength.c
... / ...
CommitLineData
1/*
2 * This file is part of DisOrder.
3 * Copyright (C) 2004, 2005, 2007, 2008, 2010 Richard Kettlewell
4 *
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * This program 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
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18/** @file plugins/tracklength.c
19 * @brief Plugin to compute track lengths
20 *
21 * Currently implements MP3, OGG, FLAC and WAV.
22 */
23#include "tracklength.h"
24
25static const struct {
26 const char *ext;
27 long (*fn)(const char *path);
28} file_formats[] = {
29 { ".FLAC", tl_flac },
30 { ".MP3", tl_mp3 },
31 { ".OGG", tl_ogg },
32 { ".WAV", tl_wav },
33 { ".flac", tl_flac },
34 { ".mp3", tl_mp3 },
35 { ".ogg", tl_ogg },
36 { ".wav", tl_wav }
37};
38#define N_FILE_FORMATS (int)(sizeof file_formats / sizeof *file_formats)
39
40long disorder_tracklength(const char attribute((unused)) *track,
41 const char *path) {
42 const char *ext = strrchr(path, '.');
43 int l, r, m = 0, c = 0; /* quieten compiler */
44
45 if(ext) {
46 l = 0;
47 r = N_FILE_FORMATS - 1;
48 while(l <= r && (c = strcmp(ext, file_formats[m = (l + r) / 2].ext)))
49 if(c < 0)
50 r = m - 1;
51 else
52 l = m + 1;
53 if(!c)
54 return file_formats[m].fn(path);
55 }
56 return 0;
57}
58
59/*
60Local Variables:
61c-basic-offset:2
62comment-column:40
63fill-column:79
64End:
65*/