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|
/*
DeaDBeeF - ultimate music player for GNU/Linux systems with X11
Copyright (C) 2009-2010 Alexey Yakovenko <waker@users.sourceforge.net>
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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <dirent.h>
#include <dlfcn.h>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
//#include <alloca.h>
#include <string.h>
#ifndef __linux__
#define _POSIX_C_SOURCE
#endif
#include <limits.h>
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "plugins.h"
#include "md5/md5.h"
#include "messagepump.h"
#include "threading.h"
#include "playlist.h"
#include "volume.h"
#include "streamer.h"
#include "playback.h"
#include "common.h"
#include "conf.h"
#include "junklib.h"
#include "vfs.h"
#define trace(...) { fprintf(stderr, __VA_ARGS__); }
//#define trace(fmt,...)
#ifndef PATH_MAX
#define PATH_MAX 1024 /* max # of characters in a path name */
#endif
//#define DISABLE_VERSIONCHECK 1
static uintptr_t mutex;
// deadbeef api
static DB_functions_t deadbeef_api = {
// FIXME: set to 1.0 after api freeze
.vmajor = 0,
.vminor = 0,
.ev_subscribe = plug_ev_subscribe,
.ev_unsubscribe = plug_ev_unsubscribe,
.md5 = plug_md5,
.md5_to_str = plug_md5_to_str,
.md5_init = (void (*)(DB_md5_t *s))md5_init,
.md5_append = (void (*)(DB_md5_t *s, const uint8_t *daya, int nbytes))md5_append,
.md5_finish = (void (*)(DB_md5_t *s, uint8_t digest[16]))md5_finish,
.get_output = plug_get_output,
.playback_next = plug_playback_next,
.playback_prev = plug_playback_prev,
.playback_pause = plug_playback_pause,
.playback_stop = plug_playback_stop,
.playback_play = plug_playback_play,
.playback_random = plug_playback_random,
.playback_get_pos = plug_playback_get_pos,
.playback_set_pos = plug_playback_set_pos,
// streamer access
.streamer_get_playing_track = (DB_playItem_t *(*) (void))streamer_get_playing_track,
.streamer_get_streaming_track = (DB_playItem_t *(*) (void))streamer_get_streaming_track,
.streamer_get_playpos = streamer_get_playpos,
.streamer_seek = streamer_set_seek,
.streamer_ok_to_read = streamer_ok_to_read,
.streamer_reset = streamer_reset,
.streamer_read = streamer_read,
.streamer_set_bitrate = streamer_set_bitrate,
.streamer_get_apx_bitrate = streamer_get_apx_bitrate,
.streamer_get_current_fileinfo = streamer_get_current_fileinfo,
.streamer_get_current_playlist = streamer_get_current_playlist,
// process control
.get_config_dir = plug_get_config_dir,
.quit = plug_quit,
// threading
.thread_start = thread_start,
.thread_start_low_priority = thread_start_low_priority,
.thread_join = thread_join,
.mutex_create = mutex_create,
.mutex_create_nonrecursive = mutex_create_nonrecursive,
.mutex_free = mutex_free,
.mutex_lock = mutex_lock,
.mutex_unlock = mutex_unlock,
.cond_create = cond_create,
.cond_free = cond_free,
.cond_wait = cond_wait,
.cond_signal = cond_signal,
.cond_broadcast = cond_broadcast,
// playlist management
.plt_get_count = plt_get_count,
.plt_get_head = (DB_playItem_t * (*) (int plt))plt_get_head,
.plt_get_sel_count = plt_get_sel_count,
.plt_add = plt_add,
.plt_remove = plt_remove,
.plt_free = plt_free,
.plt_set_curr = plt_set_curr,
.plt_get_curr = plt_get_curr,
.plt_get_title = plt_get_title,
.plt_set_title = plt_set_title,
.plt_move = plt_move,
// playlist access
.pl_lock = pl_lock,
.pl_unlock = pl_unlock,
.plt_lock = plt_lock,
.plt_unlock = plt_unlock,
.pl_item_alloc = (DB_playItem_t* (*)(void))pl_item_alloc,
.pl_item_ref = (void (*)(DB_playItem_t *))pl_item_ref,
.pl_item_unref = (void (*)(DB_playItem_t *))pl_item_unref,
.pl_item_copy = (void (*)(DB_playItem_t *, DB_playItem_t *))pl_item_copy,
.pl_add_file = (int (*) (const char *, int (*cb)(DB_playItem_t *it, void *data), void *))pl_add_file,
.pl_add_dir = (int (*) (const char *dirname, int (*cb)(DB_playItem_t *it, void *data), void *user_data))pl_add_dir,
.pl_insert_item = (DB_playItem_t *(*) (DB_playItem_t *after, DB_playItem_t *it))pl_insert_item,
.pl_insert_dir = (DB_playItem_t *(*) (DB_playItem_t *after, const char *dirname, int *pabort, int (*cb)(DB_playItem_t *it, void *data), void *user_data))pl_insert_dir,
.pl_insert_file = (DB_playItem_t *(*) (DB_playItem_t *after, const char *fname, int *pabort, int (*cb)(DB_playItem_t *it, void *data), void *user_data))pl_insert_file,
.pl_get_idx_of = (int (*) (DB_playItem_t *it))pl_get_idx_of,
.pl_get_for_idx = (DB_playItem_t * (*)(int))pl_get_for_idx,
.pl_get_for_idx_and_iter = (DB_playItem_t * (*) (int idx, int iter))pl_get_for_idx_and_iter,
.pl_set_item_duration = (void (*) (DB_playItem_t *it, float duration))pl_set_item_duration,
.pl_get_item_duration = (float (*) (DB_playItem_t *it))pl_get_item_duration,
.pl_sort = pl_sort,
.pl_items_copy_junk = (void (*)(DB_playItem_t *from, DB_playItem_t *first, DB_playItem_t *last))pl_items_copy_junk,
.pl_get_totaltime = pl_get_totaltime,
.pl_getcount = pl_getcount,
.pl_delete_selected = pl_delete_selected,
.pl_set_cursor = pl_set_cursor,
.pl_get_cursor = pl_get_cursor,
.pl_set_selected = (void (*) (DB_playItem_t *, int))pl_set_selected,
.pl_is_selected = (int (*) (DB_playItem_t *))pl_is_selected,
.pl_clear = pl_clear,
.pl_load = pl_load,
.pl_save = pl_save,
.pl_select_all = pl_select_all,
.pl_crop_selected = pl_crop_selected,
.pl_getselcount = pl_getselcount,
.pl_get_first = (DB_playItem_t *(*) (int))pl_get_first,
.pl_get_last = (DB_playItem_t *(*) (int))pl_get_last,
.pl_get_next = (DB_playItem_t *(*) (DB_playItem_t *, int))pl_get_next,
.pl_get_prev = (DB_playItem_t *(*) (DB_playItem_t *, int))pl_get_prev,
.pl_format_title = (int (*) (DB_playItem_t *it, int idx, char *s, int size, int id, const char *fmt))pl_format_title,
.pl_format_item_display_name = (void (*) (DB_playItem_t *it, char *str, int len))pl_format_item_display_name,
.pl_move_items = (void (*) (int iter, DB_playItem_t *drop_before, uint32_t *indexes, int count))pl_move_items,
.pl_copy_items = (void (*) (int iter, int plt_from, DB_playItem_t *before, uint32_t *indices, int cnt))pl_copy_items,
.pl_search_reset = pl_search_reset,
.pl_search_process = pl_search_process,
// metainfo
.pl_add_meta = (void (*) (DB_playItem_t *, const char *, const char *))pl_add_meta,
.pl_append_meta = (void (*) (DB_playItem_t *, const char *, const char *))pl_append_meta,
.pl_find_meta = (const char *(*) (DB_playItem_t *, const char *))pl_find_meta,
.pl_replace_meta = (void (*) (DB_playItem_t *, const char *, const char *))pl_replace_meta,
.pl_delete_all_meta = (void (*) (DB_playItem_t *it))pl_delete_all_meta,
.pl_get_metadata = (DB_metaInfo_t *(*)(DB_playItem_t *it))pl_get_metadata,
// cuesheet support
.pl_insert_cue_from_buffer = (DB_playItem_t *(*) (DB_playItem_t *after, DB_playItem_t *origin, const uint8_t *buffer, int buffersize, int numsamples, int samplerate))pl_insert_cue_from_buffer,
.pl_insert_cue = (DB_playItem_t *(*)(DB_playItem_t *after, DB_playItem_t *origin, int numsamples, int samplerate))pl_insert_cue,
// playqueue support
.pl_playqueue_push = (int (*) (DB_playItem_t *))pl_playqueue_push,
.pl_playqueue_clear = pl_playqueue_clear,
.pl_playqueue_pop = pl_playqueue_pop,
.pl_playqueue_remove = (void (*) (DB_playItem_t *))pl_playqueue_remove,
.pl_playqueue_test = (int (*) (DB_playItem_t *))pl_playqueue_test,
// volume control
.volume_set_db = plug_volume_set_db,
.volume_get_db = volume_get_db,
.volume_set_amp = plug_volume_set_amp,
.volume_get_amp = volume_get_amp,
.volume_get_min_db = volume_get_min_db,
// junk reading
.junk_id3v1_read = (int (*)(DB_playItem_t *it, DB_FILE *fp))junk_id3v1_read,
.junk_id3v1_find = junk_id3v1_find,
.junk_id3v1_write = (int (*) (FILE *, DB_playItem_t *))junk_id3v1_write,
.junk_id3v2_find = junk_id3v2_find,
.junk_id3v2_read = (int (*)(DB_playItem_t *it, DB_FILE *fp))junk_id3v2_read,
.junk_id3v2_read_full = (int (*)(DB_playItem_t *, DB_id3v2_tag_t *tag, DB_FILE *fp))junk_id3v2_read_full,
.junk_id3v2_convert_24_to_23 = junk_id3v2_convert_24_to_23,
.junk_id3v2_convert_23_to_24 = junk_id3v2_convert_23_to_24,
.junk_id3v2_convert_22_to_24 = junk_id3v2_convert_22_to_24,
.junk_id3v2_free = junk_id3v2_free,
.junk_id3v2_write = junk_id3v2_write,
.junk_id3v2_remove_frames = junk_id3v2_remove_frames,
.junk_id3v2_add_text_frame_23 = junk_id3v2_add_text_frame_23,
.junk_id3v2_add_text_frame_24 = junk_id3v2_add_text_frame_24,
.junk_apev2_read = (int (*)(DB_playItem_t *it, DB_FILE *fp))junk_apev2_read,
.junk_apev2_read_full = (int (*) (DB_playItem_t *it, DB_apev2_tag_t *tag_store, DB_FILE *fp))junk_apev2_read_full,
.junk_apev2_find = junk_apev2_find,
.junk_apev2_remove_frames = junk_apev2_remove_frames,
.junk_apev2_add_text_frame = junk_apev2_add_text_frame,
.junk_apev2_free = junk_apev2_free,
.junk_apev2_write = junk_apev2_write,
.junk_get_leading_size = junk_get_leading_size,
.junk_get_leading_size_stdio = junk_get_leading_size_stdio,
.junk_detect_charset = junk_detect_charset,
.junk_recode = junk_recode,
// vfs
.fopen = vfs_fopen,
.fclose = vfs_fclose,
.fread = vfs_fread,
.fseek = vfs_fseek,
.ftell = vfs_ftell,
.rewind = vfs_rewind,
.fgetlength = vfs_fgetlength,
.fget_content_type = vfs_get_content_type,
.fget_content_name = vfs_get_content_name,
.fget_content_genre = vfs_get_content_genre,
// message passing
.sendmessage = messagepump_push,
// configuration access
.conf_get_str = conf_get_str,
.conf_get_float = conf_get_float,
.conf_get_int = conf_get_int,
.conf_set_str = conf_set_str,
.conf_set_int = conf_set_int,
.conf_set_float = conf_set_float,
.conf_find = conf_find,
.conf_remove_items = conf_remove_items,
// plugin communication
.plug_get_decoder_list = plug_get_decoder_list,
.plug_get_output_list = plug_get_output_list,
.plug_get_dsp_list = plug_get_dsp_list,
.plug_get_list = plug_get_list,
.plug_activate = plug_activate,
.plug_get_decoder_id = plug_get_decoder_id,
.plug_remove_decoder_id = plug_remove_decoder_id,
};
DB_functions_t *deadbeef = &deadbeef_api;
const char *
plug_get_config_dir (void) {
return dbconfdir;
}
void
plug_volume_set_db (float db) {
volume_set_db (db);
plug_trigger_event_volumechanged ();
}
void
plug_volume_set_amp (float amp) {
volume_set_amp (amp);
plug_trigger_event_volumechanged ();
}
#define MAX_PLUGINS 100
DB_plugin_t *g_plugins[MAX_PLUGINS+1];
DB_decoder_t *g_decoder_plugins[MAX_DECODER_PLUGINS+1];
#define MAX_VFS_PLUGINS 10
DB_vfs_t *g_vfs_plugins[MAX_VFS_PLUGINS+1];
#define MAX_DSP_PLUGINS 10
DB_dsp_t *g_dsp_plugins[MAX_DSP_PLUGINS+1];
#define MAX_OUTPUT_PLUGINS 10
DB_output_t *g_output_plugins[MAX_OUTPUT_PLUGINS+1];
DB_output_t *output_plugin = NULL;
void
plug_md5 (uint8_t sig[16], const char *in, int len) {
md5_state_t st;
md5_init (&st);
md5_append (&st, in, len);
md5_finish (&st, sig);
}
void
plug_md5_to_str (char *str, const uint8_t sig[16]) {
int i = 0;
static const char hex[] = "0123456789abcdef";
for (i = 0; i < 16; i++) {
*str++ = hex[(sig[i]&0xf0)>>4];
*str++ = hex[sig[i]&0xf];
}
*str = 0;
}
// event handlers
typedef struct {
DB_plugin_t *plugin;
DB_callback_t callback;
uintptr_t data;
} evhandler_t;
#define MAX_HANDLERS 100
static evhandler_t handlers[DB_EV_MAX][MAX_HANDLERS];
// plugin control structures
typedef struct plugin_s {
void *handle;
DB_plugin_t *plugin;
struct plugin_s *next;
} plugin_t;
plugin_t *plugins;
void
plug_ev_subscribe (DB_plugin_t *plugin, int ev, DB_callback_t callback, uintptr_t data) {
assert (ev < DB_EV_MAX && ev >= 0);
int i;
mutex_lock (mutex);
for (i = 0; i < MAX_HANDLERS; i++) {
if (!handlers[ev][i].plugin) {
handlers[ev][i].plugin = plugin;
handlers[ev][i].callback = callback;
handlers[ev][i].data = data;
break;
}
}
mutex_unlock (mutex);
if (i == MAX_HANDLERS) {
fprintf (stderr, "failed to subscribe plugin %s to event %d (too many event handlers)\n", plugin->name, ev);
}
}
void
plug_ev_unsubscribe (DB_plugin_t *plugin, int ev, DB_callback_t callback, uintptr_t data) {
assert (ev < DB_EV_MAX && ev >= 0);
mutex_lock (mutex);
for (int i = 0; i < MAX_HANDLERS; i++) {
if (handlers[ev][i].plugin == plugin) {
handlers[ev][i].plugin = NULL;
handlers[ev][i].callback = NULL;
handlers[ev][i].data = 0;
break;
}
}
mutex_unlock (mutex);
}
void
plug_playback_next (void) {
messagepump_push (M_NEXTSONG, 0, 0, 0);
}
void
plug_playback_prev (void) {
messagepump_push (M_PREVSONG, 0, 0, 0);
}
void
plug_playback_pause (void) {
messagepump_push (M_PAUSESONG, 0, 0, 0);
}
void
plug_playback_stop (void) {
messagepump_push (M_STOPSONG, 0, 0, 0);
}
void
plug_playback_play (void) {
messagepump_push (M_PLAYSONG, 0, 0, 0);
}
void
plug_playback_random (void) {
messagepump_push (M_PLAYRANDOM, 0, 0, 0);
}
float
plug_playback_get_pos (void) {
playItem_t *trk = streamer_get_playing_track ();
if (!trk || trk->_duration <= 0) {
if (trk) {
pl_item_unref (trk);
}
return 0;
}
if (trk) {
pl_item_unref (trk);
}
return streamer_get_playpos () * 100 / trk->_duration;
}
void
plug_playback_set_pos (float pos) {
playItem_t *trk = streamer_get_playing_track ();
if (!trk || trk->_duration <= 0) {
if (trk) {
pl_item_unref (trk);
}
return;
}
float t = pos * trk->_duration / 100.f;
if (trk) {
pl_item_unref (trk);
}
streamer_set_seek (t);
}
void
plug_quit (void) {
// FIXME progress_abort ();
messagepump_push (M_TERMINATE, 0, 0, 0);
}
/////// non-api functions (plugin support)
void
plug_event_call (DB_event_t *ev) {
if (!mutex) {
trace ("plug: event passed before plugin initialization\n");
}
ev->time = time (NULL);
// printf ("plug_event_call enter %d\n", ev->event);
mutex_lock (mutex);
for (int i = 0; i < MAX_HANDLERS; i++) {
if (handlers[ev->event][i].plugin && !handlers[ev->event][i].plugin->inactive) {
handlers[ev->event][i].callback (ev, handlers[ev->event][i].data);
}
}
mutex_unlock (mutex);
// printf ("plug_event_call leave %d\n", ev->event);
}
void
plug_trigger_event (int ev, uintptr_t param) {
DB_event_t *event;
playItem_t *pltrack = NULL;
switch (ev) {
case DB_EV_SONGSTARTED:
case DB_EV_SONGFINISHED:
{
DB_event_track_t *pev = alloca (sizeof (DB_event_track_t));
pev->index = -1;
pltrack = streamer_get_playing_track ();
pev->track = DB_PLAYITEM (pltrack);
event = DB_EVENT (pev);
}
break;
case DB_EV_TRACKDELETED:
{
DB_event_track_t *pev = alloca (sizeof (DB_event_track_t));
pev->index = -1; // FIXME
pev->track = DB_PLAYITEM (param);
event = DB_EVENT (pev);
}
break;
default:
event = alloca (sizeof (DB_event_t));
}
event->event = ev;
plug_event_call (event);
if (pltrack) {
pl_item_unref (pltrack);
}
}
void
plug_trigger_event_trackchange (int from, int to) {
DB_event_trackchange_t event;
event.ev.event = DB_EV_SONGCHANGED;
event.from = from;
event.to = to;
plug_event_call (DB_EVENT (&event));
}
void
plug_trigger_event_trackinfochanged (int trk) {
DB_event_track_t event;
event.ev.event = DB_EV_TRACKINFOCHANGED;
event.index = trk;
playItem_t *track = pl_get_for_idx (trk);
event.track = DB_PLAYITEM (track);
plug_event_call (DB_EVENT (&event));
if (track) {
pl_item_unref (track);
}
}
void
plug_trigger_event_paused (int paused) {
DB_event_state_t event;
event.ev.event = DB_EV_PAUSED;
event.state = paused;
plug_event_call (DB_EVENT (&event));
}
void
plug_trigger_event_playlistchanged (void) {
DB_event_t event;
event.event = DB_EV_PLAYLISTCHANGED;
plug_event_call (DB_EVENT (&event));
}
void
plug_trigger_event_volumechanged (void) {
DB_event_t event;
event.event = DB_EV_VOLUMECHANGED;
plug_event_call (DB_EVENT (&event));
}
int
plug_init_plugin (DB_plugin_t* (*loadfunc)(DB_functions_t *), void *handle) {
DB_plugin_t *plugin_api = loadfunc (&deadbeef_api);
if (!plugin_api) {
return -1;
}
#if !DISABLE_VERSIONCHECK
if (plugin_api->api_vmajor != 0 || plugin_api->api_vminor != 0) {
// version check enabled
if (plugin_api->api_vmajor != DB_API_VERSION_MAJOR || plugin_api->api_vminor != DB_API_VERSION_MINOR) {
fprintf (stderr, "\033[0;31mWARNING: plugin \"%s\" wants API v%d.%d (got %d.%d), will not be loaded\033[0;m\n", plugin_api->name, plugin_api->api_vmajor, plugin_api->api_vminor, DB_API_VERSION_MAJOR, DB_API_VERSION_MINOR);
return -1;
}
}
else {
fprintf (stderr, "\033[0;31mWARNING: plugin \"%s\" has disabled version check. do not distribute!\033[0;m\n", plugin_api->name);
}
#endif
plugin_t *plug = malloc (sizeof (plugin_t));
memset (plug, 0, sizeof (plugin_t));
plug->plugin = plugin_api;
plug->handle = handle;
plug->next = plugins;
plugins = plug;
return 0;
}
void
plug_load_all (void) {
#if DISABLE_VERSIONCHECK
fprintf (stderr, "\033[0;31mDISABLE_VERSIONCHECK=1! do not distribute!\033[0;m\n");
#endif
const char *conf_blacklist_plugins = conf_get_str ("blacklist_plugins", "");
trace ("plug: mutex_create\n");
mutex = mutex_create ();
const char *dirname = LIBDIR "/deadbeef";
struct dirent **namelist = NULL;
char *xdg_local_home = getenv ("XDG_LOCAL_HOME");
char xdg_plugin_dir[1024];
if (xdg_local_home) {
strcpy (xdg_plugin_dir, xdg_local_home);
} else {
char *homedir = getenv ("HOME");
if (!homedir) {
fprintf (stderr, "plug_load_all: warning: unable to find home directory\n");
xdg_plugin_dir[0] = 0;
}
else {
int written = snprintf (xdg_plugin_dir, sizeof (xdg_plugin_dir), "%s/.local/lib/deadbeef", homedir);
if (written > sizeof (xdg_plugin_dir)) {
fprintf (stderr, "warning: XDG_LOCAL_HOME value is too long: %s. Ignoring.", xdg_local_home);
xdg_plugin_dir[0] = 0;
}
}
}
const char *plugins_dirs[] = { dirname, xdg_plugin_dir, NULL };
int k = 0, n;
while (plugins_dirs[k]) {
const char *plugdir = plugins_dirs[k++];
if (!(*plugdir)) {
continue;
}
fprintf (stderr, "loading plugins from %s\n", plugdir);
namelist = NULL;
n = scandir (plugdir, &namelist, NULL, alphasort);
if (n < 0)
{
if (namelist) {
free (namelist);
}
break;
}
else
{
int i;
for (i = 0; i < n; i++)
{
// no hidden files
while (namelist[i]->d_name[0] != '.')
{
int l = strlen (namelist[i]->d_name);
if (l < 3) {
break;
}
if (strcasecmp (&namelist[i]->d_name[l-3], ".so")) {
break;
}
char d_name[256];
memcpy (d_name, namelist[i]->d_name, l+1);
// no blacklisted
const uint8_t *p = conf_blacklist_plugins;
while (*p) {
const uint8_t *e = p;
while (*e && *e > 0x20) {
e++;
}
if (l-3 == e-p) {
if (!strncmp (p, d_name, e-p)) {
p = NULL;
break;
}
}
p = e;
while (*p && *p <= 0x20) {
p++;
}
}
if (!p) {
fprintf (stderr, "plugin %s is blacklisted in config file\n", d_name);
break;
}
char fullname[PATH_MAX];
snprintf (fullname, PATH_MAX, "%s/%s", plugdir, d_name);
fprintf (stderr, "loading plugin %s\n", d_name);
void *handle = dlopen (fullname, RTLD_NOW);
if (!handle) {
fprintf (stderr, "dlopen error: %s\n", dlerror ());
break;
}
d_name[l-3] = 0;
fprintf (stderr, "module name is %s\n", d_name);
strcat (d_name, "_load");
DB_plugin_t *(*plug_load)(DB_functions_t *api) = dlsym (handle, d_name);
if (!plug_load) {
fprintf (stderr, "dlsym error: %s\n", dlerror ());
dlclose (handle);
break;
}
if (plug_init_plugin (plug_load, handle) < 0) {
d_name[l-3] = 0;
fprintf (stderr, "plugin %s is incompatible with current version of deadbeef, please upgrade the plugin\n", d_name);
dlclose (handle);
break;
}
break;
}
free (namelist[i]);
}
free (namelist);
}
}
// load all compiled-in modules
#define PLUG(n) extern DB_plugin_t * n##_load (DB_functions_t *api);
#include "moduleconf.h"
#undef PLUG
#define PLUG(n) plug_init_plugin (n##_load, NULL);
#include "moduleconf.h"
#undef PLUG
plugin_t *plug;
// categorize plugins
int numplugins = 0;
int numdecoders = 0;
int numvfs = 0;
int numoutput = 0;
int numdsp = 0;
for (plug = plugins; plug; plug = plug->next) {
g_plugins[numplugins++] = plug->plugin;
if (plug->plugin->type == DB_PLUGIN_DECODER) {
fprintf (stderr, "found decoder plugin %s\n", plug->plugin->name);
if (numdecoders >= MAX_DECODER_PLUGINS) {
break;
}
g_decoder_plugins[numdecoders++] = (DB_decoder_t *)plug->plugin;
}
else if (plug->plugin->type == DB_PLUGIN_VFS) {
fprintf (stderr, "found vfs plugin %s\n", plug->plugin->name);
if (numvfs >= MAX_VFS_PLUGINS) {
break;
}
g_vfs_plugins[numvfs++] = (DB_vfs_t *)plug->plugin;
}
else if (plug->plugin->type == DB_PLUGIN_OUTPUT) {
fprintf (stderr, "found output plugin %s\n", plug->plugin->name);
if (numoutput >= MAX_OUTPUT_PLUGINS) {
break;
}
g_output_plugins[numoutput++] = (DB_output_t *)plug->plugin;
}
else if (plug->plugin->type == DB_PLUGIN_DSP) {
fprintf (stderr, "found dsp plugin %s\n", plug->plugin->name);
if (numdsp >= MAX_DSP_PLUGINS) {
break;
}
g_dsp_plugins[numdsp++] = (DB_dsp_t *)plug->plugin;
}
}
// start plugins
for (plug = plugins; plug; plug = plug->next) {
if (plug->plugin->start) {
if (plug->plugin->start () < 0) {
plug->plugin->inactive = 1;
}
}
}
// fprintf (stderr, "numplugins: %d, numdecoders: %d, numvfs: %d\n", numplugins, numdecoders, numvfs);
g_plugins[numplugins] = NULL;
g_decoder_plugins[numdecoders] = NULL;
g_vfs_plugins[numvfs] = NULL;
g_output_plugins[numoutput] = NULL;
// select output plugin
if (plug_select_output () < 0) {
fprintf (stderr, "failed to find output plugin!\n");
exit (-1);
}
}
void
plug_unload_all (void) {
while (plugins) {
plugin_t *next = plugins->next;
if (plugins->plugin->stop) {
fprintf (stderr, "stopping %s...", plugins->plugin->name);
plugins->plugin->stop ();
fprintf (stderr, " [OK]\n");
}
if (plugins->handle) {
dlclose (plugins->handle);
}
free (plugins);
plugins = next;
}
mutex_free (mutex);
fprintf (stderr, "all plugins had been unloaded\n");
}
struct DB_decoder_s **
plug_get_decoder_list (void) {
return g_decoder_plugins;
}
struct DB_output_s **
plug_get_output_list (void) {
return g_output_plugins;
}
struct DB_vfs_s **
plug_get_vfs_list (void) {
return g_vfs_plugins;
}
struct DB_dsp_s **
plug_get_dsp_list (void) {
return g_dsp_plugins;
}
struct DB_plugin_s **
plug_get_list (void) {
return g_plugins;
}
int
plug_activate (DB_plugin_t *plug, int activate) {
if (plug->inactive && !activate) {
return -1;
}
if (!plug->inactive && activate) {
return -1;
}
if (activate) {
if (plug->start) {
if (!plug->start ()) {
plug->inactive = 0;
}
else {
fprintf (stderr, "failed to start plugin %s\n", plug->name);
return -1;
}
return 0;
}
else {
return -1;
}
}
else {
if (plug->stop) {
if (!plug->stop ()) {
plug->inactive = 1;
}
else {
fprintf (stderr, "failed to stop plugin %s\n", plug->name);
return -1;
}
return 0;
}
else {
return -1;
}
}
}
DB_output_t *
plug_get_output (void) {
return output_plugin;
}
int
plug_select_output (void) {
const char *outplugname = conf_get_str ("output_plugin", "ALSA output plugin");
for (int i = 0; g_output_plugins[i]; i++) {
DB_output_t *p = g_output_plugins[i];
if (!strcmp (p->plugin.name, outplugname)) {
fprintf (stderr, "selected output plugin: %s\n", outplugname);
output_plugin = p;
break;
}
}
if (!output_plugin) {
output_plugin = g_output_plugins[0];
if (output_plugin) {
fprintf (stderr, "selected output plugin: %s\n", output_plugin->plugin.name);
conf_set_str ("output_plugin", output_plugin->plugin.name);
}
}
if (!output_plugin) {
return -1;
}
plug_trigger_event (DB_EV_OUTPUTCHANGED, 0);
return 0;
}
void
plug_reinit_sound (void) {
int state = p_get_state ();
p_free ();
DB_output_t *prev = plug_get_output ();
if (plug_select_output () < 0) {
const char *outplugname = conf_get_str ("output_plugin", "ALSA output plugin");
fprintf (stderr, "failed to select output plugin %s\nreverted to %s\n", outplugname, prev->plugin.name);
output_plugin = prev;
}
streamer_reset (1);
if (p_init () < 0) {
streamer_set_nextsong (-2, 0);
return;
}
if (state != OUTPUT_STATE_PAUSED && state != OUTPUT_STATE_STOPPED) {
if (p_play () < 0) {
fprintf (stderr, "failed to reinit sound output\n");
streamer_set_nextsong (-2, 0);
}
}
}
// list of all unique decoder ids used in current session
static char *decoder_ids[MAX_DECODER_PLUGINS];
const char *
plug_get_decoder_id (const char *id) {
int i;
char **lastnull = NULL;
for (i = 0; i < MAX_DECODER_PLUGINS; i++) {
if (decoder_ids[i] && !strcmp (id, decoder_ids[i])) {
return decoder_ids[i];
}
else if (!lastnull && !decoder_ids[i]) {
lastnull = &decoder_ids[i];
}
}
if (!lastnull) {
return NULL;
}
char *newid = strdup (id);
*lastnull = newid;
return newid;
}
void
plug_remove_decoder_id (const char *id) {
int i;
for (i = 0; i < MAX_DECODER_PLUGINS; i++) {
if (decoder_ids[i] && !strcmp (decoder_ids[i], id)) {
free (decoder_ids[i]);
decoder_ids[i] = NULL;
}
}
}
void
plug_free_decoder_ids (void) {
int i;
for (i = 0; i < MAX_DECODER_PLUGINS; i++) {
if (decoder_ids[i]) {
free (decoder_ids[i]);
decoder_ids[i] = NULL;
}
}
}
DB_decoder_t *
plug_get_decoder_for_id (const char *id) {
DB_decoder_t **plugins = plug_get_decoder_list ();
for (int c = 0; plugins[c]; c++) {
if (!strcmp (id, plugins[c]->plugin.id)) {
return plugins[c];
}
}
return NULL;
}
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