/**
* SECTION:gstplugin
+ * @title: GstPlugin
* @short_description: Container for features loaded from a shared object module
* @see_also: #GstPluginFeature, #GstElementFactory
*
* 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 valid_licenses[] = "LGPL\000" /* GNU Lesser General Public License */
"GPL\000" /* GNU General Public License */
"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, 49 };
+static const guint8 valid_licenses_idx[] = { 0, 5, 9, 13, 21, 25, 29, 37, 42,
+ 54
+};
static GstPlugin *gst_plugin_register_func (GstPlugin * plugin,
const GstPluginDesc * desc, gpointer user_data);
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_class_init (GstPluginClass * klass)
{
G_OBJECT_CLASS (klass)->finalize = gst_plugin_finalize;
-
- g_type_class_add_private (klass, sizeof (GstPluginPrivate));
}
GQuark
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_registry_add_plugin (gst_registry_get (), plugin);
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_registry_add_plugin (gst_registry_get (), plugin);
* 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;
/**
* gst_plugin_load_file:
- * @filename: the plugin filename to load
+ * @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
+ * Returns: (transfer full): a reference to the existing loaded GstPlugin, a
* reference to the newly-loaded GstPlugin, or %NULL if an error occurred.
*/
GstPlugin *
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)
{
- GstPluginDesc *desc;
+ const GstPluginDesc *desc;
GstPlugin *plugin;
+ gchar *symname;
GModule *module;
gboolean ret;
gpointer ptr;
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 and fail */
- 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->name != NULL && plugin->orig_desc->name[0] == '"') {
+ 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)", plugin->orig_desc->name);
+ "(remove quotes around plugin name)", desc->name);
}
- 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;
+ 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);
*
* 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)
*
* 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)
* 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;
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
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 (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, path, (GCompareFunc) strcmp)) {
- GST_LOG_OBJECT (plugin, "path: '%s'", path);
- g_queue_push_tail (&scan_paths, 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);
}
}
}
/**
* gst_plugin_add_dependency:
* @plugin: a #GstPlugin
- * @env_vars: (allow-none): %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
* which will be added to the content of the environment variable, e.g.
* "HOME/.mystuff/plugins".
- * @paths: (allow-none): %NULL-terminated array of directories/paths where dependent files
+ * @paths: (allow-none) (array zero-terminated=1): %NULL-terminated array of directories/paths where dependent files
* may be, or %NULL.
- * @names: (allow-none): %NULL-terminated array of file names (or file name suffixes,
+ * @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.
projects / platform / upstream / gstreamer.git / blobdiff