# include "config.h"
#endif
-#include <vlc/vlc.h>
+#include <vlc_common.h>
+#include <vlc_plugin.h>
#include "libvlc.h"
/* Some faulty libcs have a broken struct dirent when _FILE_OFFSET_BITS
#include "vlc_arrays.h"
#include "modules/modules.h"
-#include "modules/builtin.h"
+
+static module_bank_t *p_module_bank = NULL;
+static vlc_mutex_t module_lock = VLC_STATIC_MUTEX;
+
+int vlc_entry__main( module_t * );
/*****************************************************************************
* Local prototypes
*****************************************************************************/
#ifdef HAVE_DYNAMIC_PLUGINS
-static void AllocateAllPlugins ( vlc_object_t * );
-static void AllocatePluginDir ( vlc_object_t *, const char *, int );
-static int AllocatePluginFile ( vlc_object_t *, char *, int64_t, int64_t );
-static module_t * AllocatePlugin( vlc_object_t *, char * );
+static void AllocateAllPlugins( vlc_object_t *, module_bank_t * );
+static void AllocatePluginDir( vlc_object_t *, module_bank_t *, const char *,
+ unsigned );
+static int AllocatePluginFile( vlc_object_t *, module_bank_t *, const char *,
+ int64_t, int64_t );
+static module_t * AllocatePlugin( vlc_object_t *, const char * );
#endif
static int AllocateBuiltinModule( vlc_object_t *, int ( * ) ( module_t * ) );
-static int DeleteModule ( module_t *, bool );
+static void DeleteModule ( module_bank_t *, module_t * );
#ifdef HAVE_DYNAMIC_PLUGINS
static void DupModule ( module_t * );
static void UndupModule ( module_t * );
void __module_InitBank( vlc_object_t *p_this )
{
module_bank_t *p_bank = NULL;
- libvlc_global_data_t *p_libvlc_global = vlc_global();
- vlc_mutex_t *lock = var_AcquireMutex( "libvlc" );
+ vlc_mutex_lock( &module_lock );
- if( p_libvlc_global->p_module_bank == NULL )
+ if( p_module_bank == NULL )
{
- p_bank = vlc_object_create( p_this, sizeof(module_bank_t) );
- p_bank->psz_object_name = "module bank";
+ p_bank = calloc (1, sizeof(*p_bank));
p_bank->i_usage = 1;
p_bank->i_cache = p_bank->i_loaded_cache = 0;
p_bank->pp_cache = p_bank->pp_loaded_cache = NULL;
- p_bank->b_cache = p_bank->b_cache_dirty =
- p_bank->b_cache_delete = false;
+ p_bank->b_cache = p_bank->b_cache_dirty = false;
+ p_bank->head = NULL;
/* Everything worked, attach the object */
- p_libvlc_global->p_module_bank = p_bank;
- vlc_object_attach( p_bank, p_libvlc_global );
+ p_module_bank = p_bank;
/* Fills the module bank structure with the main module infos.
* This is very useful as it will allow us to consider the main
AllocateBuiltinModule( p_this, vlc_entry__main );
}
else
- p_libvlc_global->p_module_bank->i_usage++;
-
- vlc_mutex_unlock( lock );
+ p_module_bank->i_usage++;
+
+ /* We do retain the module bank lock until the plugins are loaded as well.
+ * This is ugly, this staged loading approach is needed: LibVLC gets
+ * some configuration parameters relevant to loading the plugins from
+ * the main (builtin) module. The module bank becomes shared read-only data
+ * once it is ready, so we need to fully serialize initialization.
+ * DO NOT UNCOMMENT the following line unless you managed to squeeze
+ * module_LoadPlugins() before you unlock the mutex. */
+ /*vlc_mutex_unlock( &module_lock );*/
}
-
+#undef module_EndBank
/**
- * End bank
- *
* Unloads all unused plugin modules and empties the module
* bank in case of success.
* \param p_this vlc object structure
* \return nothing
*/
-void __module_EndBank( vlc_object_t *p_this )
+void module_EndBank( vlc_object_t *p_this, bool b_plugins )
{
- module_t * p_next = NULL;
- libvlc_global_data_t *p_libvlc_global = vlc_global();
+ module_bank_t *p_bank = p_module_bank;
- vlc_mutex_t *lock = var_AcquireMutex( "libvlc" );
- if( !p_libvlc_global->p_module_bank )
- {
- vlc_mutex_unlock( lock );
- return;
- }
- if( --p_libvlc_global->p_module_bank->i_usage )
+ assert (p_bank != NULL);
+
+ /* Save the configuration */
+ if( !config_GetInt( p_this, "ignore-config" ) )
+ config_AutoSaveConfigFile( p_this );
+
+ /* If plugins were _not_ loaded, then the caller still has the bank lock
+ * from module_InitBank(). */
+ if( b_plugins )
+ vlc_mutex_lock( &module_lock );
+ /*else
+ vlc_assert_locked( &module_lock ); not for static mutexes :( */
+
+ if( --p_bank->i_usage > 0 )
{
- vlc_mutex_unlock( lock );
+ vlc_mutex_unlock( &module_lock );
return;
}
- vlc_mutex_unlock( lock );
-
- /* Save the configuration */
- config_AutoSaveConfigFile( p_this );
+ p_module_bank = NULL;
+ vlc_mutex_unlock( &module_lock );
#ifdef HAVE_DYNAMIC_PLUGINS
-# define p_bank p_libvlc_global->p_module_bank
- if( p_bank->b_cache ) CacheSave( p_this );
+ if( p_bank->b_cache )
+ CacheSave( p_this, p_bank );
while( p_bank->i_loaded_cache-- )
{
if( p_bank->pp_loaded_cache[p_bank->i_loaded_cache] )
{
- DeleteModule(
- p_bank->pp_loaded_cache[p_bank->i_loaded_cache]->p_module,
- p_bank->pp_loaded_cache[p_bank->i_loaded_cache]->b_used );
+ DeleteModule( p_bank,
+ p_bank->pp_loaded_cache[p_bank->i_loaded_cache]->p_module );
free( p_bank->pp_loaded_cache[p_bank->i_loaded_cache]->psz_file );
free( p_bank->pp_loaded_cache[p_bank->i_loaded_cache] );
p_bank->pp_loaded_cache[p_bank->i_loaded_cache] = NULL;
free( p_bank->pp_cache );
p_bank->pp_cache = NULL;
}
-# undef p_bank
#endif
- vlc_object_detach( p_libvlc_global->p_module_bank );
+ while( p_bank->head != NULL )
+ DeleteModule( p_bank, p_bank->head );
- while( p_libvlc_global->p_module_bank->i_children )
- {
- p_next = (module_t *)p_libvlc_global->p_module_bank->pp_children[0];
-
- if( DeleteModule( p_next, true ) )
- {
- /* Module deletion failed */
- msg_Err( p_this, "module \"%s\" can't be removed, trying harder",
- p_next->psz_object_name );
-
- /* We just free the module by hand. Niahahahahaha. */
- vlc_object_detach( p_next );
- vlc_object_release( p_next );
- }
- }
-
- vlc_object_release( p_libvlc_global->p_module_bank );
- p_libvlc_global->p_module_bank = NULL;
+ free( p_bank );
}
+#undef module_LoadPlugins
/**
- * Load all modules which we built with.
+ * Loads module descriptions for all available plugins.
+ * Fills the module bank structure with the plugin modules.
*
- * Fills the module bank structure with the builtin modules.
* \param p_this vlc object structure
* \return nothing
*/
-void __module_LoadBuiltins( vlc_object_t * p_this )
+void module_LoadPlugins( vlc_object_t * p_this, bool b_cache_delete )
{
- libvlc_global_data_t *p_libvlc_global = vlc_global();
+ module_bank_t *p_bank = p_module_bank;
- vlc_mutex_t *lock = var_AcquireMutex( "libvlc" );
- if( p_libvlc_global->p_module_bank->b_builtins )
- {
- vlc_mutex_unlock( lock );
- return;
- }
- p_libvlc_global->p_module_bank->b_builtins = true;
- vlc_mutex_unlock( lock );
+ assert( p_bank );
+ /*vlc_assert_locked( &module_lock ); not for static mutexes :( */
- msg_Dbg( p_this, "checking builtin modules" );
- ALLOCATE_ALL_BUILTINS();
-}
-
-/**
- * Load all plugins
- *
- * Load all plugin modules we can find.
- * Fills the module bank structure with the plugin modules.
- * \param p_this vlc object structure
- * \return nothing
- */
-void __module_LoadPlugins( vlc_object_t * p_this )
-{
#ifdef HAVE_DYNAMIC_PLUGINS
- libvlc_global_data_t *p_libvlc_global = vlc_global();
-
- vlc_mutex_t *lock = var_AcquireMutex( "libvlc" );
- if( p_libvlc_global->p_module_bank->b_plugins )
+ if( p_bank->i_usage == 1 )
{
- vlc_mutex_unlock( lock );
- return;
- }
- p_libvlc_global->p_module_bank->b_plugins = true;
- vlc_mutex_unlock( lock );
-
- msg_Dbg( p_this, "checking plugin modules" );
-
- if( config_GetInt( p_this, "plugins-cache" ) )
- p_libvlc_global->p_module_bank->b_cache = true;
-
- if( p_libvlc_global->p_module_bank->b_cache ||
- p_libvlc_global->p_module_bank->b_cache_delete ) CacheLoad( p_this );
+ msg_Dbg( p_this, "checking plugin modules" );
+ p_module_bank->b_cache = config_GetInt( p_this, "plugins-cache" ) > 0;
- AllocateAllPlugins( p_this );
+ if( p_module_bank->b_cache || b_cache_delete )
+ CacheLoad( p_this, p_module_bank, b_cache_delete );
+ AllocateAllPlugins( p_this, p_module_bank );
+ }
#endif
+ p_module_bank->b_plugins = true;
+ vlc_mutex_unlock( &module_lock );
}
/**
* \param cap the capability to check
* \return TRUE if the module have the capability
*/
-bool module_IsCapable( const module_t *m, const char *cap )
+bool module_provides( const module_t *m, const char *cap )
{
return !strcmp( m->psz_capability, cap );
}
* \param m the module
* \return the module name
*/
-const char *module_GetObjName( const module_t *m )
+const char *module_get_object( const module_t *m )
{
return m->psz_object_name;
}
* \param long_name TRUE to have the long name of the module
* \return the short or long name of the module
*/
-const char *module_GetName( const module_t *m, bool long_name )
+const char *module_get_name( const module_t *m, bool long_name )
{
if( long_name && ( m->psz_longname != NULL) )
return m->psz_longname;
- return m->psz_shortname ?: m->psz_object_name;
+ return m->psz_shortname ? m->psz_shortname : m->psz_object_name;
}
/**
* \param m the module
* \return the help
*/
-const char *module_GetHelp( const module_t *m )
+const char *module_get_help( const module_t *m )
{
return m->psz_help;
}
+/**
+ * Get the capability for a module
+ *
+ * \param m the module
+ * return the capability
+ */
+const char *module_get_capability( const module_t *m )
+{
+ return m->psz_capability;
+}
+
+/**
+ * Get the score for a module
+ *
+ * \param m the module
+ * return the score for the capability
+ */
+int module_get_score( const module_t *m )
+{
+ return m->i_score;
+}
+
+module_t *module_hold (module_t *m)
+{
+ vlc_hold (&m->vlc_gc_data);
+ return m;
+}
+
+void module_release (module_t *m)
+{
+ vlc_release (&m->vlc_gc_data);
+}
+
+/**
+ * Frees the flat list of VLC modules.
+ * @param list list obtained by module_list_get()
+ * @param length number of items on the list
+ * @return nothing.
+ */
+void module_list_free (module_t **list)
+{
+ if (list == NULL)
+ return;
+
+ for (size_t i = 0; list[i] != NULL; i++)
+ module_release (list[i]);
+ free (list);
+}
+
+/**
+ * Gets the flat list of VLC modules.
+ * @param n [OUT] pointer to the number of modules or NULL
+ * @return NULL-terminated table of module pointers
+ * (release with module_list_free()), or NULL in case of error.
+ */
+module_t **module_list_get (size_t *n)
+{
+ /* TODO: this whole module lookup is quite inefficient */
+ /* Remove this and improve module_need */
+ module_t **tab = NULL;
+ size_t i = 0;
+
+ assert (p_module_bank);
+ for (module_t *mod = p_module_bank->head; mod; mod = mod->next)
+ {
+ module_t **nt;
+ nt = realloc (tab, (i + 2 + mod->submodule_count) * sizeof (*tab));
+ if (nt == NULL)
+ {
+ module_list_free (tab);
+ return NULL;
+ }
+
+ tab = nt;
+ tab[i++] = module_hold (mod);
+ for (module_t *subm = mod->submodule; subm; subm = subm->next)
+ tab[i++] = module_hold (subm);
+ tab[i] = NULL;
+ }
+ if (n != NULL)
+ *n = i;
+ return tab;
+}
+
+typedef struct module_list_t
+{
+ module_t *p_module;
+ int16_t i_score;
+ bool b_force;
+} module_list_t;
+
+static int modulecmp (const void *a, const void *b)
+{
+ const module_list_t *la = a, *lb = b;
+ /* Note that qsort() uses _ascending_ order,
+ * so the smallest module is the one with the biggest score. */
+ return lb->i_score - la->i_score;
+}
+
/**
* module Need
*
* Return the best module function, given a capability list.
+ *
+ * If the p_this object doesn't have it's psz_object_name set, then
+ * psz_object_name will be set to the module's name, unless the user
+ * provided an alias using the "module name@alias" syntax in which case
+ * psz_object_name will be set to the alias.
+ *
* \param p_this the vlc object
* \param psz_capability list of capabilities needed
* \param psz_name name of the module asked
* \param b_strict TRUE yto use the strict mode
* \return the module or NULL in case of a failure
*/
-module_t * __module_Need( vlc_object_t *p_this, const char *psz_capability,
+module_t * __module_need( vlc_object_t *p_this, const char *psz_capability,
const char *psz_name, bool b_strict )
{
- typedef struct module_list_t module_list_t;
-
- stats_TimerStart( p_this, "module_Need()", STATS_TIMER_MODULE_NEED );
-
- struct module_list_t
- {
- module_t *p_module;
- int i_score;
- bool b_force;
- module_list_t *p_next;
- };
-
- module_list_t *p_list, *p_first, *p_tmp;
- vlc_list_t *p_all;
-
- int i_which_module, i_index = 0;
+ stats_TimerStart( p_this, "module_need()", STATS_TIMER_MODULE_NEED );
+ module_list_t *p_list;
module_t *p_module;
-
- int i_shortcuts = 0;
+ int i_shortcuts = 0;
char *psz_shortcuts = NULL, *psz_var = NULL, *psz_alias = NULL;
bool b_force_backup = p_this->b_force;
-
/* Deal with variables */
if( psz_name && psz_name[0] == '$' )
{
- vlc_value_t val;
- var_Create( p_this, psz_name + 1, VLC_VAR_MODULE | VLC_VAR_DOINHERIT );
- var_Get( p_this, psz_name + 1, &val );
- psz_var = val.psz_string;
- psz_name = psz_var;
+ psz_name = psz_var = var_CreateGetString( p_this, psz_name + 1 );
}
/* Count how many different shortcuts were asked for */
}
/* Sort the modules and test them */
- p_all = vlc_list_find( p_this, VLC_OBJECT_MODULE, FIND_ANYWHERE );
- p_list = malloc( p_all->i_count * sizeof( module_list_t ) );
- p_first = NULL;
+ size_t count;
+ module_t **p_all = module_list_get (&count);
+ p_list = malloc( count * sizeof( module_list_t ) );
unsigned i_cpu = vlc_CPU();
/* Parse the module list for capabilities and probe each of them */
- for( i_which_module = 0; i_which_module < p_all->i_count; i_which_module++ )
+ count = 0;
+ for (size_t i = 0; (p_module = p_all[i]) != NULL; i++)
{
- int i_shortcut_bonus = 0;
-
- p_module = (module_t *)p_all->p_values[i_which_module].p_object;
+ bool b_shortcut_bonus = false;
/* Test that this module can do what we need */
- if( !module_IsCapable( p_module, psz_capability ) )
- {
- /* Don't recurse through the sub-modules because vlc_list_find()
- * will list them anyway. */
+ if( !module_provides( p_module, psz_capability ) )
continue;
- }
-
/* Test if we have the required CPU */
if( (p_module->i_cpu & i_cpu) != p_module->i_cpu )
- {
continue;
- }
/* If we required a shortcut, check this plugin provides it. */
if( i_shortcuts > 0 )
{
- bool b_trash;
const char *psz_name = psz_shortcuts;
- /* Let's drop modules with a <= 0 score (unless they are
- * explicitly requested) */
- b_trash = p_module->i_score <= 0;
-
for( unsigned i_short = i_shortcuts; i_short > 0; i_short-- )
{
for( unsigned i = 0; p_module->pp_shortcuts[i]; i++ )
/* Found it */
if( c && c[1] )
psz_alias = c+1;
- i_shortcut_bonus = i_short * 10000;
+ b_shortcut_bonus = true;
goto found_shortcut;
}
}
if( b_strict )
continue;
}
- /* If we didn't require a shortcut, trash <= 0 scored plugins */
- else if( p_module->i_score <= 0 )
- {
+
+ /* Trash <= 0 scored plugins (they can only be selected by shortcut) */
+ if( p_module->i_score <= 0 )
continue;
- }
found_shortcut:
-
/* Store this new module */
- p_list[ i_index ].p_module = p_module;
- p_list[ i_index ].i_score = p_module->i_score + i_shortcut_bonus;
- p_list[ i_index ].b_force = i_shortcut_bonus && b_strict;
-
- /* Add it to the modules-to-probe list */
- if( i_index == 0 )
- {
- p_list[ 0 ].p_next = NULL;
- p_first = p_list;
- }
- else
- {
- /* Ok, so at school you learned that quicksort is quick, and
- * bubble sort sucks raw eggs. But that's when dealing with
- * thousands of items. Here we have barely 50. */
- module_list_t *p_newlist = p_first;
-
- if( p_first->i_score < p_list[ i_index ].i_score )
- {
- p_list[ i_index ].p_next = p_first;
- p_first = &p_list[ i_index ];
- }
- else
- {
- while( p_newlist->p_next != NULL &&
- p_newlist->p_next->i_score >= p_list[ i_index ].i_score )
- {
- p_newlist = p_newlist->p_next;
- }
-
- p_list[ i_index ].p_next = p_newlist->p_next;
- p_newlist->p_next = &p_list[ i_index ];
- }
- }
-
- i_index++;
+ p_list[count].p_module = module_hold (p_module);
+ p_list[count].i_score = p_module->i_score;
+ if( b_shortcut_bonus )
+ p_list[count].i_score += 10000;
+ p_list[count].b_force = b_shortcut_bonus && b_strict;
+ count++;
}
- msg_Dbg( p_this, "looking for %s module: %i candidate%s", psz_capability,
- i_index, i_index == 1 ? "" : "s" );
+ /* We can release the list, interesting modules are held */
+ module_list_free (p_all);
- /* Lock all candidate modules */
- p_tmp = p_first;
- while( p_tmp != NULL )
- {
- vlc_object_yield( p_tmp->p_module );
- p_tmp = p_tmp->p_next;
- }
-
- /* We can release the list, interesting modules were yielded */
- vlc_list_release( p_all );
+ /* Sort candidates by descending score */
+ qsort (p_list, count, sizeof (p_list[0]), modulecmp);
+ msg_Dbg( p_this, "looking for %s module: %zu candidate%s", psz_capability,
+ count, count == 1 ? "" : "s" );
/* Parse the linked list and use the first successful module */
- p_tmp = p_first;
- while( p_tmp != NULL )
+ p_module = NULL;
+ for (size_t i = 0; (i < count) && (p_module == NULL); i++)
{
+ module_t *p_cand = p_list[i].p_module;
#ifdef HAVE_DYNAMIC_PLUGINS
/* Make sure the module is loaded in mem */
- module_t *p_module = p_tmp->p_module;
- if( p_module->b_submodule )
- p_module = (module_t *)p_module->p_parent;
+ module_t *p_real = p_cand->b_submodule ? p_cand->parent : p_cand;
- if( !p_module->b_builtin && !p_module->b_loaded )
+ if( !p_real->b_builtin && !p_real->b_loaded )
{
module_t *p_new_module =
- AllocatePlugin( p_this, p_module->psz_filename );
+ AllocatePlugin( p_this, p_real->psz_filename );
if( p_new_module )
{
- CacheMerge( p_this, p_module, p_new_module );
- vlc_object_attach( p_new_module, p_module );
- DeleteModule( p_new_module, true );
+ CacheMerge( p_this, p_real, p_new_module );
+ DeleteModule( p_module_bank, p_new_module );
}
}
#endif
- p_this->b_force = p_tmp->b_force;
- if( p_tmp->p_module->pf_activate
- && p_tmp->p_module->pf_activate( p_this ) == VLC_SUCCESS )
+ p_this->b_force = p_list[i].b_force;
+ if( p_cand->pf_activate
+ && p_cand->pf_activate( p_this ) == VLC_SUCCESS )
{
- break;
+ p_module = p_cand;
+ /* Release the remaining modules */
+ while (++i < count)
+ module_release (p_list[i].p_module);
}
-
- vlc_object_release( p_tmp->p_module );
- p_tmp = p_tmp->p_next;
- }
-
- /* Store the locked module value */
- if( p_tmp != NULL )
- {
- p_module = p_tmp->p_module;
- p_tmp = p_tmp->p_next;
- }
- else
- {
- p_module = NULL;
- }
-
- /* Unlock the remaining modules */
- while( p_tmp != NULL )
- {
- vlc_object_release( p_tmp->p_module );
- p_tmp = p_tmp->p_next;
+ else
+ module_release( p_cand );
}
free( p_list );
{
msg_Dbg( p_this, "using %s module \"%s\"",
psz_capability, p_module->psz_object_name );
+ if( !p_this->psz_object_name )
+ {
+ /* This assumes that p_this is the object which will be using the
+ * module. That's not always the case ... but it is in most cases.
+ */
+ if( psz_alias )
+ p_this->psz_object_name = strdup( psz_alias );
+ else
+ p_this->psz_object_name = strdup( p_module->psz_object_name );
+ }
}
- else if( p_first == NULL )
+ else if( count == 0 )
{
- if( !strcmp( psz_capability, "access_demux" ) )
+ if( !strcmp( psz_capability, "access_demux" )
+ || !strcmp( psz_capability, "stream_filter" )
+ || !strcmp( psz_capability, "vout_window" ) )
{
- msg_Warn( p_this, "no %s module matched \"%s\"",
- psz_capability, (psz_name && *psz_name) ? psz_name : "any" );
+ msg_Dbg( p_this, "no %s module matched \"%s\"",
+ psz_capability, (psz_name && *psz_name) ? psz_name : "any" );
}
else
{
else
msg_StackSet( VLC_EGENERIC, "no suitable %s module", psz_capability );
- if( p_module && !p_this->psz_object_name )
- {
- /* This assumes that p_this is the object which will be using the
- * module. That's not always the case ... but it is in most cases.
- */
- if( psz_alias )
- p_this->psz_object_name = strdup( psz_alias );
- else
- p_this->psz_object_name = strdup( p_module->psz_object_name );
- }
-
free( psz_shortcuts );
free( psz_var );
/**
* Module unneed
*
- * This function must be called by the thread that called module_Need, to
+ * This function must be called by the thread that called module_need, to
* decrease the reference count and allow for hiding of modules.
* \param p_this vlc object structure
* \param p_module the module structure
* \return nothing
*/
-void __module_Unneed( vlc_object_t * p_this, module_t * p_module )
+void __module_unneed( vlc_object_t * p_this, module_t * p_module )
{
/* Use the close method */
if( p_module->pf_deactivate )
msg_Dbg( p_this, "removing module \"%s\"", p_module->psz_object_name );
- vlc_object_release( p_module );
-
- return;
+ module_release( p_module );
}
/**
* Get a pointer to a module_t given it's name.
*
- * \param p_this vlc object structure
* \param psz_name the name of the module
* \return a pointer to the module or NULL in case of a failure
*/
-module_t *__module_Find( vlc_object_t *p_this, const char * psz_name )
+module_t *module_find( const char * psz_name )
{
- vlc_list_t *p_list;
- int i;
- p_list = vlc_list_find( p_this, VLC_OBJECT_MODULE, FIND_ANYWHERE );
- for( i = 0 ; i < p_list->i_count; i++)
+ module_t **list, *module;
+
+ list = module_list_get (NULL);
+ if (!list)
+ return NULL;
+
+ for (size_t i = 0; (module = list[i]) != NULL; i++)
{
- module_t *p_module = ((module_t *) p_list->p_values[i].p_object);
- const char *psz_module_name = p_module->psz_object_name;
+ const char *psz_module_name = module->psz_object_name;
+
if( psz_module_name && !strcmp( psz_module_name, psz_name ) )
{
- /* We can release the list, and return yes */
- vlc_object_yield( p_module );
- vlc_list_release( p_list );
- return p_module;
+ module_hold (module);
+ break;
}
}
- vlc_list_release( p_list );
- return NULL;
+ module_list_free (list);
+ return module;
}
-
/**
- * Release a module_t pointer from module_Find().
+ * Tell if a module exists and release it in thic case
*
- * \param module the module to release
- * \return nothing
+ * \param psz_name th name of the module
+ * \return TRUE if the module exists
*/
-void module_Put( module_t *module )
+bool module_exists (const char * psz_name)
{
- vlc_object_release( module );
+ module_t *p_module = module_find (psz_name);
+ if( p_module )
+ module_release (p_module);
+ return p_module != NULL;
}
-
/**
- * Tell if a module exists and release it in thic case
+ * Get a pointer to a module_t that matches a shortcut.
+ * This is a temporary hack for SD. Do not re-use (generally multiple modules
+ * can have the same shortcut, so this is *broken* - use module_need()!).
*
- * \param p_this vlc object structure
- * \param psz_name th name of the module
- * \return TRUE if the module exists
+ * \param psz_shortcut shortcut of the module
+ * \param psz_cap capability of the module
+ * \return a pointer to the module or NULL in case of a failure
*/
-bool __module_Exists( vlc_object_t *p_this, const char * psz_name )
+module_t *module_find_by_shortcut (const char *psz_shortcut)
{
- module_t *p_module = __module_Find( p_this, psz_name );
- if( p_module )
- {
- module_Put( p_module );
- return true;
- }
- else
+ module_t **list, *module;
+
+ list = module_list_get (NULL);
+ if (!list)
+ return NULL;
+
+ for (size_t i = 0; (module = list[i]) != NULL; i++)
{
- return false;
+ for (size_t j = 0;
+ (module->pp_shortcuts[j] != NULL) && (j < MODULE_SHORTCUT_MAX);
+ j++)
+ {
+ if (!strcmp (module->pp_shortcuts[j], psz_shortcut))
+ {
+ module_hold (module);
+ goto out;
+ }
+ }
}
+out:
+ module_list_free (list);
+ return module;
}
/**
* Return a NULL terminated array with the names of the modules
* that have a certain capability.
* Free after uses both the string and the table.
- * \param p_this vlc object structure
* \param psz_capability the capability asked
* \param pppsz_longname an pointer to an array of string to contain
the long names of the modules. If set to NULL the function don't use it.
* \return the NULL terminated array
*/
-char ** __module_GetModulesNamesForCapability( vlc_object_t *p_this,
- const char *psz_capability,
- char ***pppsz_longname )
+char ** module_GetModulesNamesForCapability( const char *psz_capability,
+ char ***pppsz_longname )
{
- vlc_list_t *p_list;
- int i, j, count = 0;
+ size_t count = 0;
char **psz_ret;
- /* Do it in two passes : count the number of modules before */
- p_list = vlc_list_find( p_this, VLC_OBJECT_MODULE, FIND_ANYWHERE );
- for( i = 0 ; i < p_list->i_count; i++)
+ module_t **list = module_list_get (NULL);
+
+ /* Proceed in two passes: count the number of modules first */
+ for (size_t i = 0; list[i]; i++)
{
- module_t *p_module = ((module_t *) p_list->p_values[i].p_object);
+ module_t *p_module = list[i];
const char *psz_module_capability = p_module->psz_capability;
- if( psz_module_capability && !strcmp( psz_module_capability, psz_capability ) )
+
+ if( psz_module_capability
+ && !strcmp( psz_module_capability, psz_capability ) )
count++;
}
+ /* Then get the names */
psz_ret = malloc( sizeof(char*) * (count+1) );
if( pppsz_longname )
*pppsz_longname = malloc( sizeof(char*) * (count+1) );
if( !psz_ret || ( pppsz_longname && *pppsz_longname == NULL ) )
{
free( psz_ret );
- free( *pppsz_longname );
- *pppsz_longname = NULL;
- vlc_list_release( p_list );
+ if( pppsz_longname )
+ {
+ free( *pppsz_longname );
+ *pppsz_longname = NULL;
+ }
+ module_list_free (list);
return NULL;
}
- j = 0;
- for( i = 0 ; i < p_list->i_count; i++)
+ for (size_t i = 0, j = 0; list[i]; i++)
{
- module_t *p_module = ((module_t *) p_list->p_values[i].p_object);
+ module_t *p_module = list[i];
const char *psz_module_capability = p_module->psz_capability;
- if( psz_module_capability && !strcmp( psz_module_capability, psz_capability ) )
+
+ if( psz_module_capability
+ && !strcmp( psz_module_capability, psz_capability ) )
{
- int k = -1; /* hack to handle submodules properly */
- if( p_module->b_submodule )
- {
- while( p_module->pp_shortcuts[++k] != NULL );
- k--;
- }
- psz_ret[j] = strdup( k>=0?p_module->pp_shortcuts[k]
- :p_module->psz_object_name );
+ /* Explicit hack: Use the last shortcut. It _should_ be
+ * different from the object name, at least if the object
+ * contains multiple submodules with the same capability. */
+ unsigned k = 0;
+ while( p_module->pp_shortcuts[k] != NULL )
+ k++;
+ assert( k > 0); /* pp_shortcuts[0] is always set */
+ psz_ret[j] = strdup( p_module->pp_shortcuts[k - 1] );
if( pppsz_longname )
- (*pppsz_longname)[j] = strdup( module_GetName( p_module, true ) );
+ (*pppsz_longname)[j] = strdup( module_get_name( p_module, true ) );
j++;
}
}
psz_ret[count] = NULL;
- vlc_list_release( p_list );
+ module_list_free (list);
return psz_ret;
}
* \param psize the size of the configuration returned
* \return the configuration as an array
*/
-module_config_t *module_GetConfig( const module_t *module, unsigned *restrict psize )
+module_config_t *module_config_get( const module_t *module, unsigned *restrict psize )
{
unsigned i,j;
unsigned size = module->confsize;
* \param the configuration
* \return nothing
*/
-void module_PutConfig( module_config_t *config )
+void module_config_free( module_config_t *config )
{
free( config );
}
if( !path ) return NULL;
/* Look for PATH_SEP_CHAR (a ':' or a ';') */
- for( i = 0, done = 0 ; paths[i]; i++ ) {
+ for( i = 0, done = 0 ; paths[i]; i++ )
+ {
/* Take care of \\ and \: or \; escapement */
- if( escaped ) {
+ if( escaped )
+ {
escaped = false;
path[done++] = paths[i];
}
+#ifdef WIN32
+ else if( paths[i] == '/' )
+ escaped = true;
+#else
else if( paths[i] == '\\' )
escaped = true;
+#endif
else if( paths[i] == PATH_SEP_CHAR )
break;
else
return path;
}
+char *psz_vlcpath = NULL;
+
/*****************************************************************************
* AllocateAllPlugins: load all plugin modules we can find.
*****************************************************************************/
#ifdef HAVE_DYNAMIC_PLUGINS
-static void AllocateAllPlugins( vlc_object_t *p_this )
+static void AllocateAllPlugins( vlc_object_t *p_this, module_bank_t *p_bank )
{
+ const char *vlcpath = psz_vlcpath;
int count,i;
char * path;
vlc_array_t *arraypaths = vlc_array_new();
/* Contruct the special search path for system that have a relocatable
* executable. Set it to <vlc path>/modules and <vlc path>/plugins. */
-#define RETURN_ENOMEM \
- { \
- msg_Err( p_this, "Not enough memory" ); \
- return; \
- }
- vlc_array_append( arraypaths, strdup( "modules" ) );
-#if defined( WIN32 ) || defined( UNDER_CE ) || defined( __APPLE__ ) || defined( SYS_BEOS )
- if( asprintf( &path, "%s" DIR_SEP "modules",
- vlc_global()->psz_vlcpath ) < 0 )
- RETURN_ENOMEM
- vlc_array_append( arraypaths, path );
- if( asprintf( &path, "%s" DIR_SEP "plugins",
- vlc_global()->psz_vlcpath ) < 0 )
- RETURN_ENOMEM
- vlc_array_append( arraypaths, path );
-#if ! defined( WIN32 ) && ! defined( UNDER_CE )
- if( asprintf( &path, "%s", PLUGIN_PATH ) < 0 )
- RETURN_ENOMEM
- vlc_array_append( arraypaths, path );
-#endif
-#else
+ if( vlcpath && asprintf( &path, "%s" DIR_SEP "modules", vlcpath ) != -1 )
+ vlc_array_append( arraypaths, path );
+ if( vlcpath && asprintf( &path, "%s" DIR_SEP "plugins", vlcpath ) != -1 )
+ vlc_array_append( arraypaths, path );
+#ifndef WIN32
vlc_array_append( arraypaths, strdup( PLUGIN_PATH ) );
#endif
- vlc_array_append( arraypaths, strdup( "plugins" ) );
/* If the user provided a plugin path, we add it to the list */
- char * userpaths = config_GetPsz( p_this, "plugin-path" );
+ char *userpaths = config_GetPsz( p_this, "plugin-path" );
char *paths_iter;
for( paths_iter = userpaths; paths_iter; )
{
path = copy_next_paths_token( paths_iter, &paths_iter );
- if( !path )
- RETURN_ENOMEM
- vlc_array_append( arraypaths, strdup( path ) );
+ if( path )
+ vlc_array_append( arraypaths, path );
}
count = vlc_array_count( arraypaths );
{
path = vlc_array_item_at_index( arraypaths, i );
if( !path )
- {
continue;
- }
msg_Dbg( p_this, "recursively browsing `%s'", path );
/* Don't go deeper than 5 subdirectories */
- AllocatePluginDir( p_this, path, 5 );
+ AllocatePluginDir( p_this, p_bank, path, 5 );
free( path );
}
vlc_array_destroy( arraypaths );
-#undef RETURN_ENOMEM
+ free( userpaths );
}
/*****************************************************************************
* AllocatePluginDir: recursively parse a directory to look for plugins
*****************************************************************************/
-static void AllocatePluginDir( vlc_object_t *p_this, const char *psz_dir,
- int i_maxdepth )
+static void AllocatePluginDir( vlc_object_t *p_this, module_bank_t *p_bank,
+ const char *psz_dir, unsigned i_maxdepth )
{
/* FIXME: Needs to be ported to wide char on ALL Windows builds */
#ifdef WIN32
#endif
char * psz_file;
- if( p_this->p_libvlc->b_die || i_maxdepth < 0 )
- {
+ if( i_maxdepth == 0 )
return;
- }
#if defined( UNDER_CE ) || defined( _MSC_VER )
#ifdef UNDER_CE
if( GetFileAttributes( psz_path ) & FILE_ATTRIBUTE_DIRECTORY )
#endif
{
- AllocatePluginDir( p_this, psz_path, i_maxdepth - 1 );
+ AllocatePluginDir( p_this, p_bank, psz_path, i_maxdepth - 1 );
}
else if( i_len > strlen( LIBEXT )
/* We only load files ending with LIBEXT */
}
psz_file = psz_path;
- AllocatePluginFile( p_this, psz_file, i_time, i_size );
+ AllocatePluginFile( p_this, p_bank, psz_file, i_time, i_size );
}
}
while( !p_this->p_libvlc->b_die && FindNextFile( handle, &finddata ) );
i_stat = stat( psz_file, &statbuf );
if( !i_stat && statbuf.st_mode & S_IFDIR )
{
- AllocatePluginDir( p_this, psz_file, i_maxdepth - 1 );
+ AllocatePluginDir( p_this, p_bank, psz_file, i_maxdepth - 1 );
}
else if( i_len > strlen( LIBEXT )
/* We only load files ending with LIBEXT */
i_size = statbuf.st_size;
}
- AllocatePluginFile( p_this, psz_file, i_time, i_size );
+ AllocatePluginFile( p_this, p_bank, psz_file, i_time, i_size );
}
free( psz_file );
* AllocatePluginFile: load a module into memory and initialize it.
*****************************************************************************
* This function loads a dynamically loadable module and allocates a structure
- * for its information data. The module can then be handled by module_Need
- * and module_Unneed. It can be removed by DeleteModule.
+ * for its information data. The module can then be handled by module_need
+ * and module_unneed. It can be removed by DeleteModule.
*****************************************************************************/
-static int AllocatePluginFile( vlc_object_t * p_this, char * psz_file,
+static int AllocatePluginFile( vlc_object_t * p_this, module_bank_t *p_bank,
+ const char *psz_file,
int64_t i_file_time, int64_t i_file_size )
{
module_t * p_module = NULL;
/*
* Check our plugins cache first then load plugin if needed
*/
- p_cache_entry =
- CacheFind( psz_file, i_file_time, i_file_size );
-
+ p_cache_entry = CacheFind( p_bank, psz_file, i_file_time, i_file_size );
if( !p_cache_entry )
{
p_module = AllocatePlugin( p_this, psz_file );
}
else
+ /* If junk dll, don't try to load it */
+ if( p_cache_entry->b_junk )
+ return -1;
+ else
{
- /* If junk dll, don't try to load it */
- if( p_cache_entry->b_junk )
- {
- p_module = NULL;
- }
- else
- {
- module_config_t *p_item = NULL, *p_end = NULL;
+ module_config_t *p_item = NULL, *p_end = NULL;
- p_module = p_cache_entry->p_module;
- p_module->b_loaded = false;
+ p_module = p_cache_entry->p_module;
+ p_module->b_loaded = false;
- /* For now we force loading if the module's config contains
- * callbacks or actions.
- * Could be optimized by adding an API call.*/
- for( p_item = p_module->p_config, p_end = p_item + p_module->confsize;
- p_item < p_end; p_item++ )
+ /* For now we force loading if the module's config contains
+ * callbacks or actions.
+ * Could be optimized by adding an API call.*/
+ for( p_item = p_module->p_config, p_end = p_item + p_module->confsize;
+ p_item < p_end; p_item++ )
+ {
+ if( p_item->pf_callback || p_item->i_action )
{
- if( p_item->pf_callback || p_item->i_action )
- {
- p_module = AllocatePlugin( p_this, psz_file );
- break;
- }
+ p_module = AllocatePlugin( p_this, psz_file );
+ break;
}
- if( p_module == p_cache_entry->p_module )
- p_cache_entry->b_used = true;
}
+ if( p_module == p_cache_entry->p_module )
+ p_cache_entry->b_used = true;
}
- if( p_module )
- {
- libvlc_global_data_t *p_libvlc_global = vlc_global();
-
- /* Everything worked fine !
- * The module is ready to be added to the list. */
- p_module->b_builtin = false;
-
- /* msg_Dbg( p_this, "plugin \"%s\", %s",
- p_module->psz_object_name, p_module->psz_longname ); */
-
- vlc_object_attach( p_module, p_libvlc_global->p_module_bank );
-
- if( !p_libvlc_global->p_module_bank->b_cache )
- return 0;
-
-#define p_bank p_libvlc_global->p_module_bank
- /* Add entry to cache */
- p_bank->pp_cache =
- realloc( p_bank->pp_cache, (p_bank->i_cache + 1) * sizeof(void *) );
- p_bank->pp_cache[p_bank->i_cache] = malloc( sizeof(module_cache_t) );
- if( !p_bank->pp_cache[p_bank->i_cache] )
- return -1;
- p_bank->pp_cache[p_bank->i_cache]->psz_file = strdup( psz_file );
- p_bank->pp_cache[p_bank->i_cache]->i_time = i_file_time;
- p_bank->pp_cache[p_bank->i_cache]->i_size = i_file_size;
- p_bank->pp_cache[p_bank->i_cache]->b_junk = p_module ? 0 : 1;
- p_bank->pp_cache[p_bank->i_cache]->b_used = true;
- p_bank->pp_cache[p_bank->i_cache]->p_module = p_module;
- p_bank->i_cache++;
- }
+ if( p_module == NULL )
+ return -1;
+
+ /* Everything worked fine !
+ * The module is ready to be added to the list. */
+ p_module->b_builtin = false;
+
+ /* msg_Dbg( p_this, "plugin \"%s\", %s",
+ p_module->psz_object_name, p_module->psz_longname ); */
+ p_module->next = p_bank->head;
+ p_bank->head = p_module;
+
+ if( !p_module_bank->b_cache )
+ return 0;
- return p_module ? 0 : -1;
+ /* Add entry to cache */
+ module_cache_t **pp_cache = p_bank->pp_cache;
+
+ pp_cache = realloc( pp_cache, (p_bank->i_cache + 1) * sizeof(void *) );
+ if( pp_cache == NULL )
+ return -1;
+ pp_cache[p_bank->i_cache] = malloc( sizeof(module_cache_t) );
+ if( pp_cache[p_bank->i_cache] == NULL )
+ return -1;
+ pp_cache[p_bank->i_cache]->psz_file = strdup( psz_file );
+ pp_cache[p_bank->i_cache]->i_time = i_file_time;
+ pp_cache[p_bank->i_cache]->i_size = i_file_size;
+ pp_cache[p_bank->i_cache]->b_junk = p_module ? 0 : 1;
+ pp_cache[p_bank->i_cache]->b_used = true;
+ pp_cache[p_bank->i_cache]->p_module = p_module;
+ p_bank->pp_cache = pp_cache;
+ p_bank->i_cache++;
+ return 0;
}
/*****************************************************************************
* AllocatePlugin: load a module into memory and initialize it.
*****************************************************************************
* This function loads a dynamically loadable module and allocates a structure
- * for its information data. The module can then be handled by module_Need
- * and module_Unneed. It can be removed by DeleteModule.
+ * for its information data. The module can then be handled by module_need
+ * and module_unneed. It can be removed by DeleteModule.
*****************************************************************************/
-static module_t * AllocatePlugin( vlc_object_t * p_this, char * psz_file )
+static module_t * AllocatePlugin( vlc_object_t * p_this, const char *psz_file )
{
module_t * p_module = NULL;
module_handle_t handle;
p_module = vlc_module_create( p_this );
if( p_module == NULL )
{
- msg_Err( p_this, "out of memory" );
module_Unload( handle );
return NULL;
}
- /* We need to fill these since they may be needed by module_Call() */
- p_module->psz_filename = psz_file;
+ p_module->psz_filename = strdup( psz_file );
p_module->handle = handle;
p_module->b_loaded = true;
/* Initialize the module: fill p_module, default config */
- if( module_Call( p_module ) != 0 )
+ if( module_Call( p_this, p_module ) != 0 )
{
/* We couldn't call module_init() */
- vlc_object_release( p_module );
+ free( p_module->psz_filename );
+ module_release( p_module );
module_Unload( handle );
return NULL;
}
DupModule( p_module );
- p_module->psz_filename = strdup( p_module->psz_filename );
/* Everything worked fine ! The module is ready to be added to the list. */
p_module->b_builtin = false;
static void DupModule( module_t *p_module )
{
char **pp_shortcut;
- int i_submodule;
for( pp_shortcut = p_module->pp_shortcuts ; *pp_shortcut ; pp_shortcut++ )
{
/* We strdup() these entries so that they are still valid when the
* module is unloaded. */
- /* This one is a (const char *) that will never get freed. */
- p_module->psz_object_name = strdup( p_module->psz_object_name );
p_module->psz_capability = strdup( p_module->psz_capability );
p_module->psz_shortname = p_module->psz_shortname ?
strdup( p_module->psz_shortname ) : NULL;
p_module->psz_help = p_module->psz_help ? strdup( p_module->psz_help )
: NULL;
- for( i_submodule = 0; i_submodule < p_module->i_children; i_submodule++ )
- {
- DupModule( (module_t*)p_module->pp_children[ i_submodule ] );
- }
+ for (module_t *subm = p_module->submodule; subm; subm = subm->next)
+ DupModule (subm);
}
/*****************************************************************************
static void UndupModule( module_t *p_module )
{
char **pp_shortcut;
- int i_submodule;
- for( i_submodule = 0; i_submodule < p_module->i_children; i_submodule++ )
- {
- UndupModule( (module_t*)p_module->pp_children[ i_submodule ] );
- }
+ for (module_t *subm = p_module->submodule; subm; subm = subm->next)
+ UndupModule (subm);
for( pp_shortcut = p_module->pp_shortcuts ; *pp_shortcut ; pp_shortcut++ )
{
free( *pp_shortcut );
}
- free( p_module->psz_object_name );
free( p_module->psz_capability );
- free( p_module->psz_shortname );
+ FREENULL( p_module->psz_shortname );
free( p_module->psz_longname );
- free( p_module->psz_help );
+ FREENULL( p_module->psz_help );
}
#endif /* HAVE_DYNAMIC_PLUGINS */
* AllocateBuiltinModule: initialize a builtin module.
*****************************************************************************
* This function registers a builtin module and allocates a structure
- * for its information data. The module can then be handled by module_Need
- * and module_Unneed. It can be removed by DeleteModule.
+ * for its information data. The module can then be handled by module_need
+ * and module_unneed. It can be removed by DeleteModule.
*****************************************************************************/
static int AllocateBuiltinModule( vlc_object_t * p_this,
int ( *pf_entry ) ( module_t * ) )
* allocate a structure for it */
p_module = vlc_module_create( p_this );
if( p_module == NULL )
- {
- msg_Err( p_this, "out of memory" );
return -1;
- }
/* Initialize the module : fill p_module->psz_object_name, etc. */
if( pf_entry( p_module ) != 0 )
/* With a well-written module we shouldn't have to print an
* additional error message here, but just make sure. */
msg_Err( p_this, "failed calling entry point in builtin module" );
- vlc_object_release( p_module );
+ module_release( p_module );
return -1;
}
/* Everything worked fine ! The module is ready to be added to the list. */
p_module->b_builtin = true;
+ /* LOCK */
+ p_module->next = p_module_bank->head;
+ p_module_bank->head = p_module;
+ /* UNLOCK */
/* msg_Dbg( p_this, "builtin \"%s\", %s",
p_module->psz_object_name, p_module->psz_longname ); */
- vlc_object_attach( p_module, vlc_global()->p_module_bank );
-
return 0;
}
*****************************************************************************
* This function can only be called if the module isn't being used.
*****************************************************************************/
-static int DeleteModule( module_t * p_module, bool b_detach )
+static void DeleteModule( module_bank_t *p_bank, module_t * p_module )
{
- if( !p_module ) return VLC_EGENERIC;
- if( b_detach )
- vlc_object_detach( p_module );
+ assert( p_module );
+
+ /* Unlist the module (if it is in the list) */
+ module_t **pp_self = &p_bank->head;
+ while (*pp_self != NULL && *pp_self != p_module)
+ pp_self = &((*pp_self)->next);
+ if (*pp_self)
+ *pp_self = p_module->next;
/* We free the structures that we strdup()ed in Allocate*Module(). */
#ifdef HAVE_DYNAMIC_PLUGINS
#endif
/* Free and detach the object's children */
- while( p_module->i_children )
+ while (p_module->submodule)
{
- vlc_object_t *p_this = p_module->pp_children[0];
- vlc_object_detach( p_this );
- vlc_object_release( p_this );
+ module_t *submodule = p_module->submodule;
+ p_module->submodule = submodule->next;
+ module_release (submodule);
}
config_Free( p_module );
- vlc_object_release( p_module );
- p_module = NULL;
- return 0;
+ module_release( p_module );
}
projects / vlc / blobdiff