+++ /dev/null
-/*
- * This file is part of DisOrder.
- * Copyright (C) 2004-2008 Richard Kettlewell
- *
- * 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 <config.h>
-#include "types.h"
-
-#include <dlfcn.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdio.h>
-
-#include "plugin.h"
-#include "configuration.h"
-#include "log.h"
-#include "mem.h"
-#include "defs.h"
-#include "disorder.h"
-#include "printf.h"
-
-/* generic plugin support *****************************************************/
-
-#ifndef SOSUFFIX
-# define SOSUFFIX ".so"
-#endif
-
-struct plugin {
- struct plugin *next;
- void *dlhandle;
- const char *name;
-};
-
-static struct plugin *plugins;
-
-const struct plugin *open_plugin(const char *name,
- unsigned flags) {
- void *h = 0;
- char *p;
- int n;
- struct plugin *pl;
-
- for(pl = plugins; pl && strcmp(pl->name, name); pl = pl->next)
- ;
- if(pl) return pl;
- /* Search the plugin path */
- for(n = 0; n <= config->plugins.n; ++n) {
- byte_xasprintf(&p, "%s/%s" SOSUFFIX,
- n == config->plugins.n ? pkglibdir : config->plugins.s[n],
- name);
- if(access(p, R_OK) == 0) {
- h = dlopen(p, RTLD_NOW);
- if(!h) {
- error(0, "error opening %s: %s", p, dlerror());
- continue;
- }
- pl = xmalloc(sizeof *pl);
- pl->dlhandle = h;
- pl->name = xstrdup(name);
- pl->next = plugins;
- plugins = pl;
- return pl;
- }
- }
- (flags & PLUGIN_FATAL ? fatal : error)(0, "cannot find plugin '%s'", name);
- return 0;
-}
-
-function_t *get_plugin_function(const struct plugin *pl,
- const char *symbol) {
- function_t *f;
-
- f = (function_t *)dlsym(pl->dlhandle, symbol);
- if(!f)
- fatal(0, "error looking up function '%s' in '%s': %s",
- symbol, pl->name, dlerror());
- return f;
-}
-
-const void *get_plugin_object(const struct plugin *pl,
- const char *symbol) {
- void *o;
-
- o = dlsym(pl->dlhandle, symbol);
- if(!o)
- fatal(0, "error looking up object '%s' in '%s': %s",
- symbol, pl->name, dlerror());
- return o;
-}
-
-/* specific plugin interfaces *************************************************/
-
-typedef long tracklength_fn(const char *track, const char *path);
-
-/** Compute the length of a track
- * @param plugin plugin to use, as configured
- * @param track UTF-8 name of track
- * @param path file system path or 0
- * @return length of track in seconds, 0 for unknown, -1 for error
- */
-long tracklength(const char *plugin, const char *track, const char *path) {
- tracklength_fn *f = 0;
-
- f = (tracklength_fn *)get_plugin_function(open_plugin(plugin,
- PLUGIN_FATAL),
- "disorder_tracklength");
- return (*f)(track, path);
-}
-
-typedef void scan_fn(const char *root);
-
-void scan(const char *module, const char *root) {
- ((scan_fn *)get_plugin_function(open_plugin(module, PLUGIN_FATAL),
- "disorder_scan"))(root);
-}
-
-typedef int check_fn(const char *root, const char *path);
-
-
-int check(const char *module, const char *root, const char *path) {
- return ((check_fn *)get_plugin_function(open_plugin(module, PLUGIN_FATAL),
- "disorder_check"))(root, path);
-}
-
-typedef void notify_play_fn(const char *track, const char *submitter);
-
-void notify_play(const char *track,
- const char *submitter) {
- static notify_play_fn *f;
-
- if(!f)
- f = (notify_play_fn *)get_plugin_function(open_plugin("notify",
- PLUGIN_FATAL),
- "disorder_notify_play");
- (*f)(track, submitter);
-}
-
-typedef void notify_scratch_fn(const char *track,
- const char *submitter,
- const char *scratcher,
- int seconds);
-
-void notify_scratch(const char *track,
- const char *submitter,
- const char *scratcher,
- int seconds) {
- static notify_scratch_fn *f;
-
- if(!f)
- f = (notify_scratch_fn *)get_plugin_function(open_plugin("notify",
- PLUGIN_FATAL),
- "disorder_notify_scratch");
- (*f)(track, submitter, scratcher, seconds);
-}
-
-typedef void notify_not_scratched_fn(const char *track,
- const char *submitter);
-
-void notify_not_scratched(const char *track,
- const char *submitter) {
- static notify_not_scratched_fn *f;
-
- if(!f)
- f = (notify_not_scratched_fn *)get_plugin_function
- (open_plugin("notify",
- PLUGIN_FATAL),
- "disorder_notify_not_scratched");
- (*f)(track, submitter);
-}
-
-typedef void notify_queue_fn(const char *track,
- const char *submitter);
-
-void notify_queue(const char *track,
- const char *submitter) {
- static notify_queue_fn *f;
-
- if(!f)
- f = (notify_queue_fn *)get_plugin_function(open_plugin("notify",
- PLUGIN_FATAL),
- "disorder_notify_queue");
- (*f)(track, submitter);
-}
-
-void notify_queue_remove(const char *track,
- const char *remover) {
- static notify_queue_fn *f;
-
- if(!f)
- f = (notify_queue_fn *)get_plugin_function(open_plugin("notify",
- PLUGIN_FATAL),
- "disorder_notify_queue_remove");
- (*f)(track, remover);
-}
-
-void notify_queue_move(const char *track,
- const char *mover) {
- static notify_queue_fn *f;
-
- if(!f)
- f = (notify_queue_fn *)get_plugin_function(open_plugin("notify",
- PLUGIN_FATAL),
- "disorder_notify_queue_move");
- (*f)(track, mover);
-}
-
-void notify_pause(const char *track, const char *who) {
- static notify_queue_fn *f;
-
- if(!f)
- f = (notify_queue_fn *)get_plugin_function(open_plugin("notify",
- PLUGIN_FATAL),
- "disorder_notify_pause");
- (*f)(track, who);
-}
-
-void notify_resume(const char *track, const char *who) {
- static notify_queue_fn *f;
-
- if(!f)
- f = (notify_queue_fn *)get_plugin_function(open_plugin("notify",
- PLUGIN_FATAL),
- "disorder_notify_resume");
- (*f)(track, who);
-}
-
-/* player plugin interfaces ***************************************************/
-
-/* get type */
-
-unsigned long play_get_type(const struct plugin *pl) {
- return *(const unsigned long *)get_plugin_object(pl, "disorder_player_type");
-}
-
-/* prefork */
-
-typedef void *prefork_fn(const char *track);
-
-void *play_prefork(const struct plugin *pl,
- const char *track) {
- return ((prefork_fn *)get_plugin_function(pl,
- "disorder_play_prefork"))(track);
-}
-
-/* play */
-
-typedef void play_track_fn(const char *const *parameters,
- int nparameters,
- const char *path,
- const char *track);
-
-void play_track(const struct plugin *pl,
- const char *const *parameters,
- int nparameters,
- const char *path,
- const char *track) {
- ((play_track_fn *)get_plugin_function(pl,
- "disorder_play_track"))(parameters,
- nparameters,
- path,
- track);
-}
-
-/* cleanup */
-
-typedef void cleanup_fn(void *data);
-
-void play_cleanup(const struct plugin *pl, void *data) {
- ((cleanup_fn *)get_plugin_function(pl, "disorder_play_cleanup"))(data);
-}
-
-/* pause */
-
-typedef int pause_fn(long *playedp, void *data);
-
-int play_pause(const struct plugin *pl, long *playedp, void *data) {
- return (((pause_fn *)get_plugin_function(pl, "disorder_pause_track"))
- (playedp, data));
-}
-
-/* resume */
-
-typedef void resume_fn(void *data);
-
-void play_resume(const struct plugin *pl, void *data) {
- (((resume_fn *)get_plugin_function(pl, "disorder_resume_track"))
- (data));
-}
-
-/*
-Local Variables:
-c-basic-offset:2
-comment-column:40
-End:
-*/
~mdw / disorder / blobdiff