/***************************************************************************** * entry.c : Callbacks for module entry point ***************************************************************************** * Copyright (C) 2001-2007 the VideoLAN team * * 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 #include #include #include "modules/modules.h" #include "config/config.h" #include "libvlc.h" static const char default_name[] = "unnamed"; module_t *vlc_module_create (vlc_object_t *obj) { module_t *module = (module_t *)vlc_custom_create (obj, sizeof (module_t), VLC_OBJECT_MODULE, "module"); if (module == NULL) return NULL; module->b_reentrant = module->b_unloadable = VLC_TRUE; module->psz_object_name = module->psz_longname = default_name; module->psz_capability = ""; module->i_score = 1; return module; } module_t *vlc_submodule_create (module_t *module) { assert (module != NULL); assert (!module->b_submodule); // subsubmodules are not supported module_t *submodule = (module_t *)vlc_custom_create (VLC_OBJECT (module), sizeof (module_t), VLC_OBJECT_MODULE, "submodule"); if (submodule == NULL) return NULL; vlc_object_attach (submodule, module); submodule->b_submodule = VLC_TRUE; /* Muahahaha! Heritage! Polymorphism! Ugliness!! */ memcpy (submodule->pp_shortcuts, module->pp_shortcuts, sizeof (submodule->pp_shortcuts)); submodule->psz_object_name = module->psz_object_name; submodule->psz_shortname = module->psz_shortname; submodule->psz_longname = module->psz_longname; submodule->psz_capability = module->psz_capability; submodule->i_score = module->i_score; submodule->i_cpu = module->i_cpu; return submodule; } int vlc_module_set (module_t *module, int propid, void *value) { switch (propid) { case VLC_MODULE_CPU_REQUIREMENT: assert (!module->b_submodule); module->i_cpu |= (intptr_t)value; break; case VLC_MODULE_SHORTCUT: { unsigned i; for (i = 0; module->pp_shortcuts[i] != NULL; i++); if (i >= (MODULE_SHORTCUT_MAX - 1)) return VLC_ENOMEM; module->pp_shortcuts[i] = (char *)value; break; } case VLC_MODULE_SHORTNAME: module->psz_shortname = (char *)value; break; case VLC_MODULE_DESCRIPTION: module->psz_longname = (char *)value; break; case VLC_MODULE_HELP: module->psz_help = (char *)value; break; case VLC_MODULE_CAPABILITY: module->psz_capability = (char *)value; break; case VLC_MODULE_SCORE: module->i_score = (intptr_t)value; break; case VLC_MODULE_CB_OPEN: module->pf_activate = (int (*) (vlc_object_t *))value; break; case VLC_MODULE_CB_CLOSE: module->pf_deactivate = (void (*) (vlc_object_t *))value; break; case VLC_MODULE_UNLOADABLE: module->b_unloadable = (value != NULL); break; case VLC_MODULE_NAME: module->pp_shortcuts[0] = module->psz_object_name = (char *)value; if (module->psz_longname == default_name) module->psz_longname = (char *)value; break; case VLC_MODULE_PROGRAM: msg_Warn (module, "deprecated module property %d", propid); return 0; default: msg_Err (module, "unknown module property %d", propid); msg_Err (module, "LibVLC might be too old to use this module."); return VLC_EGENERIC; } return 0; } module_config_t *vlc_config_create (module_t *module, int type) { unsigned confsize = module->confsize; module_config_t *tab = module->p_config; if ((confsize & 0xf) == 0) { tab = realloc (tab, (confsize + 17) * sizeof (*tab)); if (tab == NULL) return NULL; module->p_config = tab; } module->confsize++; memset (tab + confsize, 0, sizeof (tab[confsize])); return tab + confsize; } int vlc_config_set (module_config_t *restrict item, vlc_config_t id, ...) { int ret = -1; va_list ap; assert (item != NULL); va_start (ap, id); switch (id) { case VLC_CONFIG_NAME: { const char *name = va_arg (ap, const char *); vlc_callback_t cb = va_arg (ap, vlc_callback_t); assert (name != NULL); item->psz_name = strdup (name); item->pf_callback = cb; ret = 0; break; } case VLC_CONFIG_DESC: { const char *text = va_arg (ap, const char *); const char *longtext = va_arg (ap, const char *); item->psz_text = text ? strdup (gettext (text)) : NULL; item->psz_longtext = longtext ? strdup (gettext (text)) : NULL; ret = 0; break; } case VLC_CONFIG_VALUE: { if (IsConfigIntegerType (item->i_type)) { item->orig.i = item->saved.i = item->value.i = va_arg (ap, int); ret = 0; } else if (IsConfigFloatType (item->i_type)) { item->orig.f = item->saved.f = item->value.f = va_arg (ap, double); ret = 0; } else if (IsConfigStringType (item->i_type)) { const char *value = va_arg (ap, const char *); item->value.psz = value ? strdup (value) : NULL; item->orig.psz = value ? strdup (value) : NULL; item->saved.psz = value ? strdup (value) : NULL; ret = 0; } break; } case VLC_CONFIG_RANGE: { if (IsConfigIntegerType (item->i_type)) { item->min.i = va_arg (ap, int); item->max.i = va_arg (ap, int); ret = 0; } else if (IsConfigFloatType (item->i_type)) { item->min.f = va_arg (ap, double); item->max.f = va_arg (ap, double); ret = 0; } break; } case VLC_CONFIG_ADVANCED: item->b_advanced = VLC_TRUE; ret = 0; break; case VLC_CONFIG_VOLATILE: item->b_unsaveable = VLC_TRUE; ret = 0; break; case VLC_CONFIG_PERSISTENT: item->b_autosave = VLC_TRUE; ret = 0; break; case VLC_CONFIG_RESTART: item->b_restart = VLC_TRUE; ret = 0; break; case VLC_CONFIG_PRIVATE: item->b_internal = VLC_TRUE; ret = 0; break; case VLC_CONFIG_REMOVED: item->psz_current = "SUPPRESSED"; ret = 0; break; case VLC_CONFIG_CAPABILITY: { const char *cap = va_arg (ap, const char *); item->psz_type = cap ? strdup (cap) : NULL; ret = 0; break; } } va_end (ap); return ret; }