140 lines
3.0 KiB
C
140 lines
3.0 KiB
C
/* the Music Player Daemon (MPD)
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* Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
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* This project's homepage is: http://www.musicpd.org
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*
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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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*
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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
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "song.h"
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#include "ls.h"
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#include "directory.h"
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#include "utils.h"
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#include "log.h"
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#include "mapper.h"
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#include "path.h"
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#include "playlist.h"
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#include "decoder_list.h"
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#include "decoder_api.h"
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static struct song *
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song_alloc(const char *url, struct directory *parent)
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{
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size_t urllen;
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struct song *song;
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assert(url);
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urllen = strlen(url);
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assert(urllen);
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song = xmalloc(sizeof(*song) - sizeof(song->url) + urllen + 1);
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song->tag = NULL;
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memcpy(song->url, url, urllen + 1);
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song->parent = parent;
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return song;
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}
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struct song *
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song_remote_new(const char *url)
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{
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return song_alloc(url, NULL);
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}
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struct song *
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song_file_new(const char *path, struct directory *parent)
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{
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assert((parent == NULL) == (*path == '/'));
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return song_alloc(path, parent);
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}
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struct song *
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song_file_load(const char *path, struct directory *parent)
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{
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struct song *song;
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bool ret;
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assert((parent == NULL) == (*path == '/'));
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if (strchr(path, '\n')) {
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DEBUG("newSong: '%s' is not a valid uri\n", path);
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return NULL;
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}
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song = song_file_new(path, parent);
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ret = song_file_update(song);
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if (!ret) {
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song_free(song);
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return NULL;
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}
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return song;
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}
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void
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song_free(struct song *song)
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{
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if (song->tag)
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tag_free(song->tag);
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free(song);
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}
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bool
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song_file_update(struct song *song)
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{
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char buffer[MPD_PATH_MAX];
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const char *path_fs;
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const struct decoder_plugin *plugin;
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unsigned int next = 0;
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struct stat st;
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assert(song_is_file(song));
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path_fs = map_song_fs(song, buffer);
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if (path_fs == NULL)
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return false;
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if (song->tag != NULL) {
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tag_free(song->tag);
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song->tag = NULL;
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}
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if (stat(path_fs, &st) < 0 || !S_ISREG(st.st_mode))
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return false;
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song->mtime = st.st_mtime;
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while (song->tag == NULL &&
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(plugin = hasMusicSuffix(path_fs, next++)))
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song->tag = plugin->tag_dup(path_fs);
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return song->tag != NULL;
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}
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char *
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song_get_url(const struct song *song, char *path_max_tmp)
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{
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assert(song != NULL);
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assert(*song->url);
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if (!song->parent || isRootDirectory(song->parent->path))
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strcpy(path_max_tmp, song->url);
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else
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pfx_dir(path_max_tmp, song->url, strlen(song->url),
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directory_get_path(song->parent),
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strlen(directory_get_path(song->parent)));
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return path_max_tmp;
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}
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