2 * This file is part of DisOrder.
3 * Copyright (C) 2004, 2005, 2006 Richard Kettlewell
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 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
29 #include "configuration.h"
36 /* generic plugin support *****************************************************/
39 # define SOSUFFIX ".so"
48 static struct plugin *plugins;
50 const struct plugin *open_plugin(const char *name,
57 for(pl = plugins; pl && strcmp(pl->name, name); pl = pl->next)
60 for(n = 0; n <= config->plugins.n; ++n) {
61 byte_xasprintf(&p, "%s/%s" SOSUFFIX,
62 n == config->plugins.n ? pkglibdir : config->plugins.s[n],
64 if(access(p, R_OK) == 0) {
65 h = dlopen(p, RTLD_NOW);
67 error(0, "error opening %s: %s", p, dlerror());
70 pl = xmalloc(sizeof *pl);
72 pl->name = xstrdup(name);
78 (flags & PLUGIN_FATAL ? fatal : error)(0, "cannot find plugin '%s'", name);
82 function_t *get_plugin_function(const struct plugin *pl,
87 f = (function_t *)dlsym(pl->dlhandle, symbol);
89 fatal(0, "error looking up function '%s' in '%s': %s",symbol, pl->name, e);
93 const void *get_plugin_object(const struct plugin *pl,
98 o = dlsym(pl->dlhandle, symbol);
100 fatal(0, "error looking up object '%s' in '%s': %s", symbol, pl->name, e);
104 /* specific plugin interfaces *************************************************/
106 typedef long tracklength_fn(const char *track, const char *path);
108 long tracklength(const char *track, const char *path) {
109 static tracklength_fn *f = 0;
112 f = (tracklength_fn *)get_plugin_function(open_plugin("tracklength",
114 "disorder_tracklength");
115 return (*f)(track, path);
118 typedef void scan_fn(const char *root);
120 void scan(const char *module, const char *root) {
121 ((scan_fn *)get_plugin_function(open_plugin(module, PLUGIN_FATAL),
122 "disorder_scan"))(root);
125 typedef int check_fn(const char *root, const char *path);
128 int check(const char *module, const char *root, const char *path) {
129 return ((check_fn *)get_plugin_function(open_plugin(module, PLUGIN_FATAL),
130 "disorder_check"))(root, path);
133 typedef void notify_play_fn(const char *track, const char *submitter);
135 void notify_play(const char *track,
136 const char *submitter) {
137 static notify_play_fn *f;
140 f = (notify_play_fn *)get_plugin_function(open_plugin("notify",
142 "disorder_notify_play");
143 (*f)(track, submitter);
146 typedef void notify_scratch_fn(const char *track,
147 const char *submitter,
148 const char *scratcher,
151 void notify_scratch(const char *track,
152 const char *submitter,
153 const char *scratcher,
155 static notify_scratch_fn *f;
158 f = (notify_scratch_fn *)get_plugin_function(open_plugin("notify",
160 "disorder_notify_scratch");
161 (*f)(track, submitter, scratcher, seconds);
164 typedef void notify_not_scratched_fn(const char *track,
165 const char *submitter);
167 void notify_not_scratched(const char *track,
168 const char *submitter) {
169 static notify_not_scratched_fn *f;
172 f = (notify_not_scratched_fn *)get_plugin_function
173 (open_plugin("notify",
175 "disorder_notify_not_scratched");
176 (*f)(track, submitter);
179 typedef void notify_queue_fn(const char *track,
180 const char *submitter);
182 void notify_queue(const char *track,
183 const char *submitter) {
184 static notify_queue_fn *f;
187 f = (notify_queue_fn *)get_plugin_function(open_plugin("notify",
189 "disorder_notify_queue");
190 (*f)(track, submitter);
193 void notify_queue_remove(const char *track,
194 const char *remover) {
195 static notify_queue_fn *f;
198 f = (notify_queue_fn *)get_plugin_function(open_plugin("notify",
200 "disorder_notify_queue_remove");
201 (*f)(track, remover);
204 void notify_queue_move(const char *track,
206 static notify_queue_fn *f;
209 f = (notify_queue_fn *)get_plugin_function(open_plugin("notify",
211 "disorder_notify_queue_move");
215 void notify_pause(const char *track, const char *who) {
216 static notify_queue_fn *f;
219 f = (notify_queue_fn *)get_plugin_function(open_plugin("notify",
221 "disorder_notify_pause");
225 void notify_resume(const char *track, const char *who) {
226 static notify_queue_fn *f;
229 f = (notify_queue_fn *)get_plugin_function(open_plugin("notify",
231 "disorder_notify_resume");
235 /* player plugin interfaces ***************************************************/
239 unsigned long play_get_type(const struct plugin *pl) {
240 return *(const unsigned long *)get_plugin_object(pl, "disorder_player_type");
245 typedef void *prefork_fn(const char *track);
247 void *play_prefork(const struct plugin *pl,
249 return ((prefork_fn *)get_plugin_function(pl,
250 "disorder_play_prefork"))(track);
255 typedef void play_track_fn(const char *const *parameters,
260 void play_track(const struct plugin *pl,
261 const char *const *parameters,
265 ((play_track_fn *)get_plugin_function(pl,
266 "disorder_play_track"))(parameters,
274 typedef void cleanup_fn(void *data);
276 void play_cleanup(const struct plugin *pl, void *data) {
277 ((cleanup_fn *)get_plugin_function(pl, "disorder_play_cleanup"))(data);
282 typedef int pause_fn(long *playedp, void *data);
284 int play_pause(const struct plugin *pl, long *playedp, void *data) {
285 return (((pause_fn *)get_plugin_function(pl, "disorder_pause_track"))
291 typedef void resume_fn(void *data);
293 void play_resume(const struct plugin *pl, void *data) {
294 (((resume_fn *)get_plugin_function(pl, "disorder_resume_track"))