aboutsummaryrefslogtreecommitdiffstats
path: root/src/song.c
blob: 4ab0afadf7a7e2b01c2cf1b60905fe2498e0956f (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
/* the Music Player Daemon (MPD)
 * Copyright (C) 2003-2007 by Warren Dukes (warren.dukes@gmail.com)
 * This project's homepage is: http://www.musicpd.org
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "song.h"
#include "ls.h"
#include "directory.h"
#include "utils.h"
#include "log.h"
#include "mapper.h"
#include "path.h"
#include "playlist.h"
#include "decoder_list.h"
#include "decoder_api.h"

static struct song *
song_alloc(const char *url, struct directory *parent)
{
	size_t urllen;
	struct song *song;

	assert(url);
	urllen = strlen(url);
	assert(urllen);
	song = xmalloc(sizeof(*song) - sizeof(song->url) + urllen + 1);

	song->tag = NULL;
	memcpy(song->url, url, urllen + 1);
	song->parent = parent;

	return song;
}

struct song *
song_remote_new(const char *url)
{
	return song_alloc(url, NULL);
}

struct song *
song_file_new(const char *path, struct directory *parent)
{
	assert((parent == NULL) == (*path == '/'));

	return song_alloc(path, parent);
}

struct song *
song_file_load(const char *path, struct directory *parent)
{
	struct song *song;
	bool ret;

	assert((parent == NULL) == (*path == '/'));

	if (strchr(path, '\n')) {
		DEBUG("newSong: '%s' is not a valid uri\n", path);
		return NULL;
	}

	song = song_file_new(path, parent);

	ret = song_file_update(song);
	if (!ret) {
		song_free(song);
		return NULL;
	}

	return song;
}

void
song_free(struct song *song)
{
	if (song->tag)
		tag_free(song->tag);
	free(song);
}

bool
song_file_update(struct song *song)
{
	char buffer[MPD_PATH_MAX];
	const char *path_fs;
	struct decoder_plugin *plugin;
	unsigned int next = 0;
	struct stat st;

	assert(song_is_file(song));

	path_fs = map_song_fs(song, buffer);
	if (path_fs == NULL)
		return false;

	if (song->tag != NULL) {
		tag_free(song->tag);
		song->tag = NULL;
	}

	if (stat(path_fs, &st) < 0 || !S_ISREG(st.st_mode))
		return false;

	song->mtime = st.st_mtime;

	while (song->tag == NULL &&
	       (plugin = hasMusicSuffix(path_fs, next++)))
		song->tag = plugin->tag_dup(path_fs);

	return song->tag != NULL;
}

char *
song_get_url(const struct song *song, char *path_max_tmp)
{
	assert(song != NULL);
	assert(*song->url);

	if (!song->parent || isRootDirectory(song->parent->path))
		strcpy(path_max_tmp, song->url);
	else
		pfx_dir(path_max_tmp, song->url, strlen(song->url),
			directory_get_path(song->parent),
			strlen(directory_get_path(song->parent)));
	return path_max_tmp;
}