| 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 | |
| 25 | static 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 | |
| 40 | long 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 | /* |
| 60 | Local Variables: |
| 61 | c-basic-offset:2 |
| 62 | comment-column:40 |
| 63 | fill-column:79 |
| 64 | End: |
| 65 | */ |