*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
- * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- * Boston, MA 02111-1307, USA.
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
*/
/**
* SECTION:gstplugin
+ * @title: GstPlugin
* @short_description: Container for features loaded from a shared object module
* @see_also: #GstPluginFeature, #GstElementFactory
*
* Once you have a handle to a #GstPlugin (e.g. from the #GstRegistry), you
* can add any object that subclasses #GstPluginFeature.
*
- * Usually plugins are always automaticlly loaded so you don't need to call
+ * Usually plugins are always automatically loaded so you don't need to call
* gst_plugin_load() explicitly to bring it into memory. There are options to
* statically link plugins to an app or even use GStreamer without a plugin
* repository in which case gst_plugin_load() can be needed to bring the plugin
/* list of valid licenses.
* One of these must be specified or the plugin won't be loaded
- * Contact gstreamer-devel@lists.sourceforge.net if your license should be
- * added.
+ * Please file a bug to request any additional license be added.
*
* GPL: http://www.gnu.org/copyleft/gpl.html
* LGPL: http://www.gnu.org/copyleft/lesser.html
* QPL: http://www.trolltech.com/licenses/qpl.html
* MPL: http://www.opensource.org/licenses/mozilla1.1.php
* MIT/X11: http://www.opensource.org/licenses/mit-license.php
- * 3-clause BSD: http://www.opensource.org/licenses/bsd-license.php
+ * 3-clause BSD: https://opensource.org/licenses/BSD-3-Clause
+ * Zero-Clause BSD: https://opensource.org/licenses/0BSD
*/
-static const gchar *const valid_licenses[] = {
- "LGPL", /* GNU Lesser General Public License */
- "GPL", /* GNU General Public License */
- "QPL", /* Trolltech Qt Public License */
- "GPL/QPL", /* Combi-license of GPL + QPL */
- "MPL", /* MPL 1.1 license */
- "BSD", /* 3-clause BSD license */
- "MIT/X11", /* MIT/X11 license */
- "Proprietary", /* Proprietary license */
- GST_LICENSE_UNKNOWN, /* some other license */
- NULL
+static const gchar valid_licenses[] = "LGPL\000" /* GNU Lesser General Public License */
+ "GPL\000" /* GNU General Public License */
+ "QPL\000" /* Trolltech Qt Public License */
+ "GPL/QPL\000" /* Combi-license of GPL + QPL */
+ "MPL\000" /* MPL 1.1 license */
+ "BSD\000" /* 3-clause BSD license */
+ "MIT/X11\000" /* MIT/X11 license */
+ "0BSD\000" /* Zero-Clause BSD */
+ "Proprietary\000" /* Proprietary license */
+ GST_LICENSE_UNKNOWN; /* some other license */
+
+static const guint8 valid_licenses_idx[] = { 0, 5, 9, 13, 21, 25, 29, 37, 42,
+ 54
};
static GstPlugin *gst_plugin_register_func (GstPlugin * plugin,
static void gst_plugin_ext_dep_free (GstPluginDep * dep);
-G_DEFINE_TYPE (GstPlugin, gst_plugin, GST_TYPE_OBJECT);
+G_DEFINE_TYPE_WITH_PRIVATE (GstPlugin, gst_plugin, GST_TYPE_OBJECT);
static void
gst_plugin_init (GstPlugin * plugin)
{
- plugin->priv =
- G_TYPE_INSTANCE_GET_PRIVATE (plugin, GST_TYPE_PLUGIN, GstPluginPrivate);
+ plugin->priv = gst_plugin_get_instance_private (plugin);
}
static void
gst_plugin_finalize (GObject * object)
{
GstPlugin *plugin = GST_PLUGIN_CAST (object);
- GstRegistry *registry = gst_registry_get_default ();
- GList *g;
GST_DEBUG ("finalizing plugin %" GST_PTR_FORMAT, plugin);
+
+ /* FIXME: make registry add a weak ref instead */
+#if 0
+ GstRegistry *registry = gst_registry_get ();
+ GList *g;
for (g = registry->plugins; g; g = g->next) {
if (g->data == (gpointer) plugin) {
g_warning ("removing plugin that is still in registry");
}
}
+#endif
+
g_free (plugin->filename);
g_free (plugin->basename);
gst_plugin_class_init (GstPluginClass * klass)
{
G_OBJECT_CLASS (klass)->finalize = gst_plugin_finalize;
-
- g_type_class_add_private (klass, sizeof (GstPluginPrivate));
}
GQuark
return quark;
}
-#ifndef GST_REMOVE_DEPRECATED
-#ifdef GST_DISABLE_DEPRECATED
-void _gst_plugin_register_static (GstPluginDesc * desc);
-#endif
-/* this function can be called in the GCC constructor extension, before
- * the _gst_plugin_initialize() was called. In that case, we store the
- * plugin description in a list to initialize it when we open the main
- * module later on.
- * When the main module is known, we can register the plugin right away.
- */
-void
-_gst_plugin_register_static (GstPluginDesc * desc)
-{
- g_return_if_fail (desc != NULL);
-
- if (!_gst_plugin_inited) {
- /* We can't use any GLib functions here, since g_thread_init hasn't been
- * called yet, and we can't call it here either, or programs that don't
- * guard their g_thread_init calls in main() will just abort */
- ++_num_static_plugins;
- _static_plugins =
- realloc (_static_plugins, _num_static_plugins * sizeof (GstPluginDesc));
- /* assume strings in the GstPluginDesc are static const or live forever */
- _static_plugins[_num_static_plugins - 1] = *desc;
- } else {
- gst_plugin_register_static (desc->major_version, desc->minor_version,
- desc->name, desc->description, desc->plugin_init, desc->version,
- desc->license, desc->source, desc->package, desc->origin);
- }
-}
-#endif
-
/**
* gst_plugin_register_static:
* @major_version: the major version number of the GStreamer core that the
* You must make sure that GStreamer has been initialised (with gst_init() or
* via gst_init_get_option_group()) before calling this function.
*
- * Returns: TRUE if the plugin was registered correctly, otherwise FALSE.
- *
- * Since: 0.10.16
+ * Returns: %TRUE if the plugin was registered correctly, otherwise %FALSE.
*/
gboolean
gst_plugin_register_static (gint major_version, gint minor_version,
g_return_val_if_fail (_gst_plugin_inited != FALSE, FALSE);
GST_LOG ("attempting to load static plugin \"%s\" now...", name);
- plugin = g_object_newv (GST_TYPE_PLUGIN, 0, NULL);
+ plugin = g_object_new (GST_TYPE_PLUGIN, NULL);
if (gst_plugin_register_func (plugin, &desc, NULL) != NULL) {
GST_INFO ("registered static plugin \"%s\"", name);
- res = gst_default_registry_add_plugin (plugin);
+ res = gst_registry_add_plugin (gst_registry_get (), plugin);
GST_INFO ("added static plugin \"%s\", result: %d", name, res);
}
return res;
* You must make sure that GStreamer has been initialised (with gst_init() or
* via gst_init_get_option_group()) before calling this function.
*
- * Returns: TRUE if the plugin was registered correctly, otherwise FALSE.
- *
- * Since: 0.10.24
- *
+ * Returns: %TRUE if the plugin was registered correctly, otherwise %FALSE.
*/
gboolean
gst_plugin_register_static_full (gint major_version, gint minor_version,
g_return_val_if_fail (_gst_plugin_inited != FALSE, FALSE);
GST_LOG ("attempting to load static plugin \"%s\" now...", name);
- plugin = g_object_newv (GST_TYPE_PLUGIN, 0, NULL);
+ plugin = g_object_new (GST_TYPE_PLUGIN, NULL);
if (gst_plugin_register_func (plugin, &desc, user_data) != NULL) {
GST_INFO ("registered static plugin \"%s\"", name);
- res = gst_default_registry_add_plugin (plugin);
+ res = gst_registry_add_plugin (gst_registry_get (), plugin);
GST_INFO ("added static plugin \"%s\", result: %d", name, res);
}
return res;
}
void
-_gst_plugin_initialize (void)
+_priv_gst_plugin_initialize (void)
{
const gchar *whitelist;
guint i;
* name and the plugin's source package name, to keep the format simple.
*/
static gboolean
-gst_plugin_desc_matches_whitelist_entry (GstPluginDesc * desc,
+gst_plugin_desc_matches_whitelist_entry (const GstPluginDesc * desc,
const gchar * filename, const gchar * pattern)
{
const gchar *sep;
}
gboolean
-priv_gst_plugin_desc_is_whitelisted (GstPluginDesc * desc,
+priv_gst_plugin_desc_is_whitelisted (const GstPluginDesc * desc,
const gchar * filename)
{
gchar **entry;
gchar **w;
for (w = _plugin_loading_whitelist; *w != NULL; ++w)
- hash = (hash << 1) ^ g_str_hash (*w);
+ hash ^= g_str_hash (*w);
}
return hash;
static gboolean
gst_plugin_check_license (const gchar * license)
{
- const gchar *const *check_license = valid_licenses;
-
- g_assert (check_license);
+ gint i;
- while (*check_license) {
- if (strcmp (license, *check_license) == 0)
+ for (i = 0; i < G_N_ELEMENTS (valid_licenses_idx); ++i) {
+ if (strcmp (license, valid_licenses + valid_licenses_idx[i]) == 0)
return TRUE;
- check_license++;
}
return FALSE;
}
{
/* return NULL if the major and minor version numbers are not compatible */
/* with ours. */
- if (major != GST_VERSION_MAJOR || minor != GST_VERSION_MINOR)
+ if (major != GST_VERSION_MAJOR || minor > GST_VERSION_MINOR)
return FALSE;
return TRUE;
{
if (!gst_plugin_check_version (desc->major_version, desc->minor_version)) {
if (GST_CAT_DEFAULT)
- GST_WARNING ("plugin \"%s\" has incompatible version, not loading",
- plugin->filename);
+ GST_WARNING ("plugin \"%s\" has incompatible version "
+ "(plugin: %d.%d, gst: %d,%d), not loading",
+ GST_STR_NULL (plugin->filename), desc->major_version,
+ desc->minor_version, GST_VERSION_MAJOR, GST_VERSION_MINOR);
return NULL;
}
if (!desc->license || !desc->description || !desc->source ||
!desc->package || !desc->origin) {
if (GST_CAT_DEFAULT)
- GST_WARNING ("plugin \"%s\" has incorrect GstPluginDesc, not loading",
- plugin->filename);
+ GST_WARNING ("plugin \"%s\" has missing detail in GstPluginDesc, not "
+ "loading", GST_STR_NULL (plugin->filename));
return NULL;
}
if (!gst_plugin_check_license (desc->license)) {
if (GST_CAT_DEFAULT)
GST_WARNING ("plugin \"%s\" has invalid license \"%s\", not loading",
- plugin->filename, desc->license);
+ GST_STR_NULL (plugin->filename), desc->license);
return NULL;
}
if (user_data) {
if (!(((GstPluginInitFullFunc) (desc->plugin_init)) (plugin, user_data))) {
if (GST_CAT_DEFAULT)
- GST_WARNING ("plugin \"%s\" failed to initialise", plugin->filename);
+ GST_WARNING ("plugin \"%s\" failed to initialise",
+ GST_STR_NULL (plugin->filename));
return NULL;
}
} else {
if (!((desc->plugin_init) (plugin))) {
if (GST_CAT_DEFAULT)
- GST_WARNING ("plugin \"%s\" failed to initialise", plugin->filename);
+ GST_WARNING ("plugin \"%s\" failed to initialise",
+ GST_STR_NULL (plugin->filename));
return NULL;
}
}
return (*date_time == '\0');
}
-static GStaticMutex gst_plugin_loading_mutex = G_STATIC_MUTEX_INIT;
+static GMutex gst_plugin_loading_mutex;
#define CHECK_PLUGIN_DESC_FIELD(desc,field,fn) \
- if (G_UNLIKELY ((desc)->field == NULL)) { \
- GST_ERROR ("GstPluginDesc for '%s' has no %s", fn, G_STRINGIFY (field)); \
+ if (G_UNLIKELY ((desc)->field == NULL || *(desc)->field == '\0')) { \
+ g_warning ("Plugin description for '%s' has no valid %s field", fn, G_STRINGIFY (field)); \
+ g_set_error (error, GST_PLUGIN_ERROR, GST_PLUGIN_ERROR_MODULE, \
+ "Plugin %s has invalid plugin description field '%s'", \
+ filename, G_STRINGIFY (field)); \
+ goto return_error; \
}
/**
* gst_plugin_load_file:
- * @filename: the plugin filename to load
- * @error: pointer to a NULL-valued GError
+ * @filename: (type filename): the plugin filename to load
+ * @error: pointer to a %NULL-valued GError
*
* Loads the given plugin and refs it. Caller needs to unref after use.
*
- * Returns: (transfer full): a reference to the existing loaded GstPlugin, a
- * reference to the newly-loaded GstPlugin, or NULL if an error occurred.
+ * Returns: (transfer full): a reference to the existing loaded GstPlugin, a
+ * reference to the newly-loaded GstPlugin, or %NULL if an error occurred.
*/
GstPlugin *
gst_plugin_load_file (const gchar * filename, GError ** error)
{
- GstPluginDesc *desc;
+ return _priv_gst_plugin_load_file_for_registry (filename, NULL, error);
+}
+
+static gchar *
+extract_symname (const char *filename)
+{
+ gchar *bname, *name, *symname;
+ const gchar *dot;
+ gsize prefix_len, len;
+ int i;
+
+ bname = g_path_get_basename (filename);
+ for (i = 0; bname[i]; ++i) {
+ if (bname[i] == '-')
+ bname[i] = '_';
+ }
+
+ if (g_str_has_prefix (bname, "libgst"))
+ prefix_len = 6;
+ else if (g_str_has_prefix (bname, "lib"))
+ prefix_len = 3;
+ else if (g_str_has_prefix (bname, "gst"))
+ prefix_len = 3;
+ else
+ prefix_len = 0; /* use whole name (minus suffix) as plugin name */
+
+ dot = g_utf8_strchr (bname, -1, '.');
+ if (dot)
+ len = dot - bname - prefix_len;
+ else
+ len = strlen (bname + prefix_len);
+
+ name = g_strndup (bname + prefix_len, len);
+ g_free (bname);
+
+ symname = g_strconcat ("gst_plugin_", name, "_get_desc", NULL);
+ g_free (name);
+
+ return symname;
+}
+
+/* Note: The return value is (transfer full) although we work with floating
+ * references here. If a new plugin instance is created, it is always sinked
+ * in the registry first and a new reference is returned
+ */
+GstPlugin *
+_priv_gst_plugin_load_file_for_registry (const gchar * filename,
+ GstRegistry * registry, GError ** error)
+{
+ const GstPluginDesc *desc;
GstPlugin *plugin;
+ gchar *symname;
GModule *module;
gboolean ret;
gpointer ptr;
GStatBuf file_status;
- GstRegistry *registry;
gboolean new_plugin = TRUE;
GModuleFlags flags;
g_return_val_if_fail (filename != NULL, NULL);
- registry = gst_registry_get_default ();
- g_static_mutex_lock (&gst_plugin_loading_mutex);
+ if (registry == NULL)
+ registry = gst_registry_get ();
+
+ g_mutex_lock (&gst_plugin_loading_mutex);
plugin = gst_registry_lookup (registry, filename);
if (plugin) {
if (plugin->module) {
/* already loaded */
- g_static_mutex_unlock (&gst_plugin_loading_mutex);
+ g_mutex_unlock (&gst_plugin_loading_mutex);
return plugin;
} else {
/* load plugin and update fields */
GST_CAT_DEBUG (GST_CAT_PLUGIN_LOADING, "attempt to load plugin \"%s\"",
filename);
- if (g_module_supported () == FALSE) {
+ if (!g_module_supported ()) {
GST_CAT_DEBUG (GST_CAT_PLUGIN_LOADING, "module loading not supported");
g_set_error (error,
GST_PLUGIN_ERROR,
goto return_error;
}
- ret = g_module_symbol (module, "gst_plugin_desc", &ptr);
+ symname = extract_symname (filename);
+ ret = g_module_symbol (module, symname, &ptr);
+
+ if (ret) {
+ GstPluginDesc *(*get_desc) (void) = ptr;
+ ptr = get_desc ();
+ } else {
+ GST_DEBUG ("Could not find symbol '%s', falling back to gst_plugin_desc",
+ symname);
+ ret = g_module_symbol (module, "gst_plugin_desc", &ptr);
+ }
+
+ g_free (symname);
+
if (!ret) {
GST_DEBUG ("Could not find plugin entry point in \"%s\"", filename);
g_set_error (error,
goto return_error;
}
- desc = (GstPluginDesc *) ptr;
+ desc = (const GstPluginDesc *) ptr;
if (priv_gst_plugin_loading_have_whitelist () &&
!priv_gst_plugin_desc_is_whitelisted (desc, filename)) {
}
if (new_plugin) {
- plugin = g_object_newv (GST_TYPE_PLUGIN, 0, NULL);
+ plugin = g_object_new (GST_TYPE_PLUGIN, NULL);
plugin->file_mtime = file_status.st_mtime;
plugin->file_size = file_status.st_size;
plugin->filename = g_strdup (filename);
}
plugin->module = module;
- plugin->orig_desc = desc;
if (new_plugin) {
- /* check plugin description: complain about bad values but accept them, to
- * maintain backwards compatibility (FIXME: 0.11) */
- CHECK_PLUGIN_DESC_FIELD (plugin->orig_desc, name, filename);
- CHECK_PLUGIN_DESC_FIELD (plugin->orig_desc, description, filename);
- CHECK_PLUGIN_DESC_FIELD (plugin->orig_desc, version, filename);
- CHECK_PLUGIN_DESC_FIELD (plugin->orig_desc, license, filename);
- CHECK_PLUGIN_DESC_FIELD (plugin->orig_desc, source, filename);
- CHECK_PLUGIN_DESC_FIELD (plugin->orig_desc, package, filename);
- CHECK_PLUGIN_DESC_FIELD (plugin->orig_desc, origin, filename);
-
- if (plugin->orig_desc->release_datetime != NULL &&
- !check_release_datetime (plugin->orig_desc->release_datetime)) {
- GST_ERROR ("GstPluginDesc for '%s' has invalid datetime '%s'",
- filename, plugin->orig_desc->release_datetime);
- plugin->orig_desc->release_datetime = NULL;
+ /* check plugin description: complain about bad values and fail */
+ CHECK_PLUGIN_DESC_FIELD (desc, name, filename);
+ CHECK_PLUGIN_DESC_FIELD (desc, description, filename);
+ CHECK_PLUGIN_DESC_FIELD (desc, version, filename);
+ CHECK_PLUGIN_DESC_FIELD (desc, license, filename);
+ CHECK_PLUGIN_DESC_FIELD (desc, source, filename);
+ CHECK_PLUGIN_DESC_FIELD (desc, package, filename);
+ CHECK_PLUGIN_DESC_FIELD (desc, origin, filename);
+
+ if (desc->name != NULL && desc->name[0] == '"') {
+ g_warning ("Invalid plugin name '%s' - fix your GST_PLUGIN_DEFINE "
+ "(remove quotes around plugin name)", desc->name);
+ }
+
+ if (desc->release_datetime != NULL &&
+ !check_release_datetime (desc->release_datetime)) {
+ g_warning ("GstPluginDesc for '%s' has invalid datetime '%s'",
+ filename, desc->release_datetime);
+ g_set_error (error, GST_PLUGIN_ERROR, GST_PLUGIN_ERROR_MODULE,
+ "Plugin %s has invalid plugin description field 'release_datetime'",
+ filename);
+ goto return_error;
}
}
GST_LOG ("Plugin %p for file \"%s\" prepared, registering...",
plugin, filename);
- if (!gst_plugin_register_func (plugin, plugin->orig_desc, NULL)) {
+ if (!gst_plugin_register_func (plugin, desc, NULL)) {
/* remove signal handler */
_gst_plugin_fault_handler_restore ();
GST_DEBUG ("gst_plugin_register_func failed for plugin \"%s\"", filename);
if (new_plugin) {
gst_object_ref (plugin);
- gst_default_registry_add_plugin (plugin);
+ gst_registry_add_plugin (registry, plugin);
}
- g_static_mutex_unlock (&gst_plugin_loading_mutex);
+ g_mutex_unlock (&gst_plugin_loading_mutex);
return plugin;
return_error:
{
if (plugin)
gst_object_unref (plugin);
- g_static_mutex_unlock (&gst_plugin_loading_mutex);
+ g_mutex_unlock (&gst_plugin_loading_mutex);
return NULL;
}
}
*
* get the filename of the plugin
*
- * Returns: the filename of the plugin
+ * Returns: (type filename): the filename of the plugin
*/
const gchar *
gst_plugin_get_filename (GstPlugin * plugin)
}
/**
- * gst_plugin_get_module:
- * @plugin: plugin to query
+ * gst_plugin_get_release_date_string:
+ * @plugin: plugin to get the release date of
+ *
+ * Get the release date (and possibly time) in form of a string, if available.
+ *
+ * For normal GStreamer plugin releases this will usually just be a date in
+ * the form of "YYYY-MM-DD", while pre-releases and builds from git may contain
+ * a time component after the date as well, in which case the string will be
+ * formatted like "YYYY-MM-DDTHH:MMZ" (e.g. "2012-04-30T09:30Z").
*
- * Gets the #GModule of the plugin. If the plugin isn't loaded yet, NULL is
- * returned.
+ * There may be plugins that do not have a valid release date set on them.
*
- * Returns: (transfer none): module belonging to the plugin or NULL if the
- * plugin isn't loaded yet.
+ * Returns: (nullable): the date string of the plugin, or %NULL if not
+ * available.
*/
-GModule *
-gst_plugin_get_module (GstPlugin * plugin)
+const gchar *
+gst_plugin_get_release_date_string (GstPlugin * plugin)
{
g_return_val_if_fail (plugin != NULL, NULL);
- return plugin->module;
+ return plugin->desc.release_datetime;
}
/**
*
* queries if the plugin is loaded into memory
*
- * Returns: TRUE is loaded, FALSE otherwise
+ * Returns: %TRUE is loaded, %FALSE otherwise
*/
gboolean
gst_plugin_is_loaded (GstPlugin * plugin)
* Gets the plugin specific data cache. If it is %NULL there is no cached data
* stored. This is the case when the registry is getting rebuilt.
*
- * Returns: (transfer none): The cached data as a #GstStructure or %NULL.
- *
- * Since: 0.10.24
+ * Returns: (transfer none) (nullable): The cached data as a
+ * #GstStructure or %NULL.
*/
const GstStructure *
gst_plugin_get_cache_data (GstPlugin * plugin)
* the @plugin.
*
* The cache is flushed every time the registry is rebuilt.
- *
- * Since: 0.10.24
*/
void
gst_plugin_set_cache_data (GstPlugin * plugin, GstStructure * cache_data)
return data.result;
}
-#endif
-
-/**
- * gst_plugin_name_filter:
- * @plugin: the plugin to check
- * @name: the name of the plugin
- *
- * A standard filter that returns TRUE when the plugin is of the
- * given name.
- *
- * Returns: TRUE if the plugin is of the given name.
- */
-gboolean
-gst_plugin_name_filter (GstPlugin * plugin, const gchar * name)
-{
- return (plugin->desc.name && !strcmp (plugin->desc.name, name));
-}
-#if 0
/**
* gst_plugin_find_feature:
* @plugin: plugin to get the feature from
*
* Find a feature of the given name and type in the given plugin.
*
- * Returns: a GstPluginFeature or NULL if the feature was not found.
+ * Returns: a GstPluginFeature or %NULL if the feature was not found.
*/
GstPluginFeature *
gst_plugin_find_feature (GstPlugin * plugin, const gchar * name, GType type)
*
* Find a feature of the given name in the given plugin.
*
- * Returns: a GstPluginFeature or NULL if the feature was not found.
+ * Returns: a GstPluginFeature or %NULL if the feature was not found.
*/
GstPluginFeature *
gst_plugin_find_feature_by_name (GstPlugin * plugin, const gchar * name)
*
* Load the named plugin. Refs the plugin.
*
- * Returns: (transfer full): a reference to a loaded plugin, or NULL on error.
+ * Returns: (transfer full) (nullable): a reference to a loaded plugin, or
+ * %NULL on error.
*/
GstPlugin *
gst_plugin_load_by_name (const gchar * name)
GError *error = NULL;
GST_DEBUG ("looking up plugin %s in default registry", name);
- plugin = gst_registry_find_plugin (gst_registry_get_default (), name);
+ plugin = gst_registry_find_plugin (gst_registry_get (), name);
if (plugin) {
GST_DEBUG ("loading plugin %s from file %s", name, plugin->filename);
newplugin = gst_plugin_load_file (plugin->filename, &error);
* Loads @plugin. Note that the *return value* is the loaded plugin; @plugin is
* untouched. The normal use pattern of this function goes like this:
*
- * <programlisting>
+ * |[
* GstPlugin *loaded_plugin;
* loaded_plugin = gst_plugin_load (plugin);
* // presumably, we're no longer interested in the potentially-unloaded plugin
* gst_object_unref (plugin);
* plugin = loaded_plugin;
- * </programlisting>
+ * ]|
*
- * Returns: (transfer full): a reference to a loaded plugin, or NULL on error.
+ * Returns: (transfer full) (nullable): a reference to a loaded plugin, or
+ * %NULL on error.
*/
GstPlugin *
gst_plugin_load (GstPlugin * plugin)
GstPlugin *newplugin;
if (gst_plugin_is_loaded (plugin)) {
- return plugin;
+ return gst_object_ref (plugin);
}
if (!(newplugin = gst_plugin_load_file (plugin->filename, &error)))
static guint
gst_plugin_ext_dep_get_hash_from_stat_entry (GStatBuf * s)
{
- if (!(s->st_mode & (S_IFDIR | S_IFREG)))
+#ifdef S_IFBLK
+ if (!(s->st_mode & (S_IFDIR | S_IFREG | S_IFBLK | S_IFCHR)))
+#else
+ /* MSVC does not have S_IFBLK */
+ if (!(s->st_mode & (S_IFDIR | S_IFREG | S_IFCHR)))
+#endif
return (guint) - 1;
/* completely random formula */
if (((flags & GST_PLUGIN_DEPENDENCY_FLAG_FILE_NAME_IS_SUFFIX)) &&
g_str_has_suffix (entry, *filenames)) {
return TRUE;
+ } else if (((flags & GST_PLUGIN_DEPENDENCY_FLAG_FILE_NAME_IS_PREFIX)) &&
+ g_str_has_prefix (entry, *filenames)) {
+ return TRUE;
/* else it's an exact match that's needed */
} else if (strcmp (entry, *filenames) == 0) {
return TRUE;
continue;
}
- hash = (hash + fhash) << 1;
+ hash = hash + fhash;
g_free (full_path);
}
GstPluginDependencyFlags flags)
{
const gchar *empty_filenames[] = { "", NULL };
- gboolean recurse_into_dirs, partial_names;
+ gboolean recurse_into_dirs, partial_names = FALSE;
guint i, hash = 0;
/* to avoid special-casing below (FIXME?) */
filenames = empty_filenames;
recurse_into_dirs = ! !(flags & GST_PLUGIN_DEPENDENCY_FLAG_RECURSE);
- partial_names = ! !(flags & GST_PLUGIN_DEPENDENCY_FLAG_FILE_NAME_IS_SUFFIX);
+
+ if ((flags & GST_PLUGIN_DEPENDENCY_FLAG_FILE_NAME_IS_SUFFIX) ||
+ (flags & GST_PLUGIN_DEPENDENCY_FLAG_FILE_NAME_IS_PREFIX))
+ partial_names = TRUE;
/* if we can construct the exact paths to check with the data we have, just
* stat them one by one; this is more efficient than opening the directory
fhash = gst_plugin_ext_dep_get_hash_from_stat_entry (&s);
GST_LOG_OBJECT (plugin, "stat: %s (result: %08x)", full_path, fhash);
}
- hash = (hash + fhash) << 1;
+ hash += fhash;
g_free (full_path);
}
} else {
gst_plugin_ext_dep_get_stat_hash (GstPlugin * plugin, GstPluginDep * dep)
{
gboolean paths_are_default_only;
+ gboolean paths_are_relative_to_exe;
GQueue scan_paths = G_QUEUE_INIT;
guint scan_hash = 0;
gchar *path;
paths_are_default_only =
dep->flags & GST_PLUGIN_DEPENDENCY_FLAG_PATHS_ARE_DEFAULT_ONLY;
+ paths_are_relative_to_exe =
+ dep->flags & GST_PLUGIN_DEPENDENCY_FLAG_PATHS_ARE_RELATIVE_TO_EXE;
gst_plugin_ext_dep_extract_env_vars_paths (plugin, dep, &scan_paths);
for (paths = dep->paths; paths != NULL && *paths != NULL; ++paths) {
const gchar *path = *paths;
+ gchar *full_path;
- if (!g_queue_find_custom (&scan_paths, path, (GCompareFunc) strcmp)) {
- GST_LOG_OBJECT (plugin, "path: '%s'", path);
- g_queue_push_tail (&scan_paths, g_strdup (path));
+ if (paths_are_relative_to_exe && !g_path_is_absolute (path)) {
+ gchar *appdir;
+
+ if (!_gst_executable_path) {
+ GST_FIXME_OBJECT (plugin,
+ "Path dependency %s relative to executable path but could not retrieve executable path",
+ path);
+ continue;
+ }
+ appdir = g_path_get_dirname (_gst_executable_path);
+ full_path = g_build_filename (appdir, path, NULL);
+ g_free (appdir);
+ } else {
+ full_path = g_strdup (path);
+ }
+
+ if (!g_queue_find_custom (&scan_paths, full_path, (GCompareFunc) strcmp)) {
+ GST_LOG_OBJECT (plugin, "path: '%s'", full_path);
+ g_queue_push_tail (&scan_paths, full_path);
} else {
- GST_LOG_OBJECT (plugin, "path: '%s' (duplicate, ignoring)", path);
+ GST_LOG_OBJECT (plugin, "path: '%s' (duplicate, ignoring)", full_path);
+ g_free (full_path);
}
}
}
while ((path = g_queue_pop_head (&scan_paths))) {
scan_hash += gst_plugin_ext_dep_scan_path_with_filenames (plugin, path,
(const gchar **) dep->names, dep->flags);
- scan_hash = scan_hash << 1;
g_free (path);
}
/**
* gst_plugin_add_dependency:
* @plugin: a #GstPlugin
- * @env_vars: NULL-terminated array of environment variables affecting the
+ * @env_vars: (allow-none) (array zero-terminated=1): %NULL-terminated array of environment variables affecting the
* feature set of the plugin (e.g. an environment variable containing
* paths where to look for additional modules/plugins of a library),
- * or NULL. Environment variable names may be followed by a path component
+ * or %NULL. Environment variable names may be followed by a path component
* which will be added to the content of the environment variable, e.g.
* "HOME/.mystuff/plugins".
- * @paths: NULL-terminated array of directories/paths where dependent files
- * may be.
- * @names: NULL-terminated array of file names (or file name suffixes,
+ * @paths: (allow-none) (array zero-terminated=1): %NULL-terminated array of directories/paths where dependent files
+ * may be, or %NULL.
+ * @names: (allow-none) (array zero-terminated=1): %NULL-terminated array of file names (or file name suffixes,
* depending on @flags) to be used in combination with the paths from
* @paths and/or the paths extracted from the environment variables in
- * @env_vars, or NULL.
+ * @env_vars, or %NULL.
* @flags: optional flags, or #GST_PLUGIN_DEPENDENCY_FLAG_NONE
*
* Make GStreamer aware of external dependencies which affect the feature
* library and makes visualisations available as GStreamer elements, or a
* codec loader which exposes elements and/or caps dependent on what external
* codec libraries are currently installed.
- *
- * Since: 0.10.22
*/
void
gst_plugin_add_dependency (GstPlugin * plugin, const gchar ** env_vars,
/**
* gst_plugin_add_dependency_simple:
* @plugin: the #GstPlugin
- * @env_vars: one or more environment variables (separated by ':', ';' or ','),
- * or NULL. Environment variable names may be followed by a path component
+ * @env_vars: (allow-none): one or more environment variables (separated by ':', ';' or ','),
+ * or %NULL. Environment variable names may be followed by a path component
* which will be added to the content of the environment variable, e.g.
* "HOME/.mystuff/plugins:MYSTUFF_PLUGINS_PATH"
- * @paths: one ore more directory paths (separated by ':' or ';' or ','),
- * or NULL. Example: "/usr/lib/mystuff/plugins"
- * @names: one or more file names or file name suffixes (separated by commas),
- * or NULL
+ * @paths: (allow-none): one ore more directory paths (separated by ':' or ';' or ','),
+ * or %NULL. Example: "/usr/lib/mystuff/plugins"
+ * @names: (allow-none): one or more file names or file name suffixes (separated by commas),
+ * or %NULL
* @flags: optional flags, or #GST_PLUGIN_DEPENDENCY_FLAG_NONE
*
* Make GStreamer aware of external dependencies which affect the feature
* Convenience wrapper function for gst_plugin_add_dependency() which
* takes simple strings as arguments instead of string arrays, with multiple
* arguments separated by predefined delimiters (see above).
- *
- * Since: 0.10.22
*/
void
gst_plugin_add_dependency_simple (GstPlugin * plugin,
projects / platform / upstream / gstreamer.git / blobdiff