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gst/: Fix docs again.

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Original commit message from CVS:
* gst/gstregistry.c: (gst_registry_add_path):
* gst/gstregistry.h:
* gst/gstregistryxml.c:
Fix docs again.
Removed old code from gstregistryxml.c
This commit is contained in:
Wim Taymans 2005-12-02 12:34:47 +00:00
parent 6efebb7994
commit 381742562f
4 changed files with 119 additions and 438 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
2005-12-02 Wim Taymans <wim@fluendo.com>
* gst/gstregistry.c: (gst_registry_add_path):
* gst/gstregistry.h:
* gst/gstregistryxml.c:
Fix docs again.
2005-12-02 Wim Taymans <wim@fluendo.com>
* gst/gstutils.c: (gst_util_uint64_scale_int64),

101
gst/gstregistry.c
View file

@ -206,6 +206,8 @@ gst_registry_finalize (GObject * object)
*
* Retrieves the default registry. The caller does not own a reference on the
* registry, as it is alive as long as GStreamer is initialized.
*
* Returns: The default #GstRegistry.
*/
GstRegistry *
gst_registry_get_default (void)
@ -231,21 +233,30 @@ gst_registry_add_path (GstRegistry * registry, const gchar * path)
g_return_if_fail (GST_IS_REGISTRY (registry));
g_return_if_fail (path != NULL);
if (strlen (path) == 0) {
GST_INFO ("Ignoring empty plugin path");
return;
}
if (strlen (path) == 0)
goto empty_path;
GST_OBJECT_LOCK (registry);
if (g_list_find_custom (registry->paths, path, (GCompareFunc) strcmp)) {
g_warning ("path %s already added to registry", path);
GST_OBJECT_UNLOCK (registry);
return;
}
if (g_list_find_custom (registry->paths, path, (GCompareFunc) strcmp))
goto was_added;
GST_INFO ("Adding plugin path: \"%s\"", path);
registry->paths = g_list_append (registry->paths, g_strdup (path));
GST_OBJECT_UNLOCK (registry);
return;
empty_path:
{
GST_INFO ("Ignoring empty plugin path");
return;
}
was_added:
{
g_warning ("path %s already added to registry", path);
GST_OBJECT_UNLOCK (registry);
return;
}
}
/**
@ -255,6 +266,8 @@ gst_registry_add_path (GstRegistry * registry, const gchar * path)
* Get the list of paths for the given registry.
*
* Returns: A Glist of paths as strings. g_list_free after use.
*
* MT safe.
*/
GList *
gst_registry_get_path_list (GstRegistry * registry)
@ -279,8 +292,11 @@ gst_registry_get_path_list (GstRegistry * registry)
* @plugin: the plugin to add
*
* Add the plugin to the registry. The plugin-added signal will be emitted.
* This function will sink @plugin.
*
* Returns: TRUE on success.
*
* MT safe.
*/
gboolean
gst_registry_add_plugin (GstRegistry * registry, GstPlugin * plugin)
@ -322,6 +338,8 @@ gst_registry_add_plugin (GstRegistry * registry, GstPlugin * plugin)
* @plugin: the plugin to remove
*
* Remove the plugin from the registry.
*
* MT safe.
*/
void
gst_registry_remove_plugin (GstRegistry * registry, GstPlugin * plugin)
@ -340,8 +358,11 @@ gst_registry_remove_plugin (GstRegistry * registry, GstPlugin * plugin)
* @feature: the feature to add
*
* Add the feature to the registry. The feature-added signal will be emitted.
* This function sinks @feature.
*
* Returns: TRUE on success.
*
* MT safe.
*/
gboolean
gst_registry_add_feature (GstRegistry * registry, GstPluginFeature * feature)
@ -384,6 +405,8 @@ gst_registry_add_feature (GstRegistry * registry, GstPluginFeature * feature)
* @feature: the feature to remove
*
* Remove the feature from the registry.
*
* MT safe.
*/
void
gst_registry_remove_feature (GstRegistry * registry, GstPluginFeature * feature)
@ -405,13 +428,15 @@ gst_registry_remove_feature (GstRegistry * registry, GstPluginFeature * feature)
* @first: only return first match
* @user_data: user data passed to the filter function
*
* Runs a filter against all plugins in the registry and returns a GList with
* Runs a filter against all plugins in the registry and returns a #GList with
* the results. If the first flag is set, only the first match is
* returned (as a list with a single object).
* Every plugin is reffed; use gst_plugin_list_free() after use, which
* will unref again.
*
* Returns: a #GList of #GstPlugin
* Returns: a #GList of #GstPlugin. Use gst_plugin_list_free() after usage.
*
* MT safe.
*/
GList *
gst_registry_plugin_filter (GstRegistry * registry,
@ -446,6 +471,8 @@ gst_registry_plugin_filter (GstRegistry * registry,
* returned (as a list with a single object).
*
* Returns: a GList of plugin features, gst_plugin_feature_list_free after use.
*
* MT safe.
*/
GList *
gst_registry_feature_filter (GstRegistry * registry,
@ -476,6 +503,9 @@ gst_registry_feature_filter (GstRegistry * registry,
* The plugin will be reffed; caller is responsible for unreffing.
*
* Returns: The plugin with the given name or NULL if the plugin was not found.
* gst_object_unref() after usage.
*
* MT safe.
*/
GstPlugin *
gst_registry_find_plugin (GstRegistry * registry, const gchar * name)
@ -507,7 +537,9 @@ gst_registry_find_plugin (GstRegistry * registry, const gchar * name)
* Find the pluginfeature with the given name and type in the registry.
*
* Returns: The pluginfeature with the given name and type or NULL
* if the plugin was not found.
* if the plugin was not found. gst_object_unref() after usage.
*
* MT safe.
*/
GstPluginFeature *
gst_registry_find_feature (GstRegistry * registry, const gchar * name,
@ -537,6 +569,18 @@ gst_registry_find_feature (GstRegistry * registry, const gchar * name,
return feature;
}
/**
* gst_registry_get_feature_list:
* @registry: a #GstRegistry
* @type: a #GType.
*
* Retrieves a #GList of #GstPluginFeature of @type.
*
* Returns: a #GList of #GstPluginFeature of @type. gst_plugin_feature_list_free
* after usage.
*
* MT safe.
*/
GList *
gst_registry_get_feature_list (GstRegistry * registry, GType type)
{
@ -554,9 +598,12 @@ gst_registry_get_feature_list (GstRegistry * registry, GType type)
* gst_registry_get_plugin_list:
* @registry: the registry to search
*
* Get a copy of all plugins registered in the given registry.
* Get a copy of all plugins registered in the given registry. The refcount
* of each element in the list in incremented.
*
* Returns: a copy of the list. Free after use.
* Returns: a #GList of #GstPlugin. gst_plugin_list_free after use.
*
* MT safe.
*/
GList *
gst_registry_get_plugin_list (GstRegistry * registry)
@ -593,6 +640,18 @@ gst_registry_lookup_feature_locked (GstRegistry * registry, const char *name)
return NULL;
}
/**
* gst_registry_lookup_feature:
* @registry: a #GstRegistry
* @name: a #GstPluginFeature name
*
* Find a #GstPluginFeature with @name in @registry.
*
* Returns: a #GstPluginFeature with its refcount incremented, use
* gst_object_unref() after usage.
*
* MT safe.
*/
GstPluginFeature *
gst_registry_lookup_feature (GstRegistry * registry, const char *name)
{
@ -636,9 +695,10 @@ gst_registry_lookup_locked (GstRegistry * registry, const char *filename)
* @filename: the name of the file to look up
*
* Look up a plugin in the given registry with the given filename.
* If found, plugin is reffed. Caller must unref after use.
* If found, plugin is reffed.
*
* Returns: the #GstPlugin if found, or NULL if not.
* Returns: the #GstPlugin if found, or NULL if not. gst_object_unref()
* after usage.
*/
GstPlugin *
gst_registry_lookup (GstRegistry * registry, const char *filename)
@ -801,6 +861,15 @@ _gst_plugin_feature_filter_plugin_name (GstPluginFeature * feature,
return (strcmp (feature->plugin_name, (gchar *) user_data) == 0);
}
/**
* gst_registry_get_feature_list_by_plugin:
* @registry: a #GstRegistry.
* @name: a plugin name.
*
* Retrieves a #GList of features of the plugin with name @name.
*
* Returns: a #GList of #GstPluginFeature. gst_plugin_feature_list_free() after usage.
*/
GList *
gst_registry_get_feature_list_by_plugin (GstRegistry * registry,
const gchar * name)

7
gst/gstregistry.h
View file

@ -40,9 +40,15 @@ G_BEGIN_DECLS
typedef struct _GstRegistry GstRegistry;
typedef struct _GstRegistryClass GstRegistryClass;
/**
* GstRegistry:
*
* Opaque #GstRegistry structure.
*/
struct _GstRegistry {
GstObject object;
/*< private >*/
GList *plugins;
GList *features;
@ -51,6 +57,7 @@ struct _GstRegistry {
/* FIXME move elsewhere */
FILE *cache_file;
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
};

442
gst/gstregistryxml.c
View file

@ -55,291 +55,6 @@
#define CLASS(registry) GST_XML_REGISTRY_CLASS (G_OBJECT_GET_CLASS (registry))
//static gboolean gst_registry_xml_load (GstRegistry * registry);
//static gboolean gst_registry_xml_save (GstRegistry * registry);
//static gboolean gst_registry_xml_rebuild (GstRegistry * registry);
#if 0
static void
gst_registry_xml_class_init (GstRegistryClass * klass)
{
GObjectClass *gobject_class;
GstRegistryClass *gstregistry_class;
GstRegistryClass *gstxmlregistry_class;
gobject_class = (GObjectClass *) klass;
gstregistry_class = (GstRegistryClass *) klass;
gstxmlregistry_class = (GstRegistryClass *) klass;
parent_class = g_type_class_ref (GST_TYPE_REGISTRY);
gobject_class->get_property =
GST_DEBUG_FUNCPTR (gst_registry_xml_get_property);
gobject_class->set_property =
GST_DEBUG_FUNCPTR (gst_registry_xml_set_property);
g_object_class_install_property (G_OBJECT_CLASS (klass), PROP_LOCATION,
g_param_spec_string ("location", "Location",
"Location of the registry file", NULL, G_PARAM_READWRITE));
gstregistry_class->load = GST_DEBUG_FUNCPTR (gst_registry_xml_load);
gstregistry_class->save = GST_DEBUG_FUNCPTR (gst_registry_xml_save);
gstregistry_class->rebuild = GST_DEBUG_FUNCPTR (gst_registry_xml_rebuild);
gstregistry_class->load_plugin =
GST_DEBUG_FUNCPTR (gst_registry_xml_load_plugin);
gstxmlregistry_class->get_perms_func =
GST_DEBUG_FUNCPTR (gst_registry_xml_get_perms_func);
gstxmlregistry_class->open_func =
GST_DEBUG_FUNCPTR (gst_registry_xml_open_func);
gstxmlregistry_class->load_func =
GST_DEBUG_FUNCPTR (gst_registry_xml_load_func);
}
static void
gst_registry_xml_init (GstRegistry * registry)
{
registry->location = NULL;
}
#endif
/* this function returns the biggest of the path's mtime and ctime
* mtime is updated through an actual write (data)
* ctime is updated through changing inode information
* so this function returns the last time *anything* changed to this path
* it also sets the given boolean to TRUE if the given path is a directory
*/
#if 0
static time_t
get_time (const char *path, gboolean * is_dir)
{
struct stat statbuf;
if (stat (path, &statbuf)) {
*is_dir = FALSE;
return 0;
}
if (is_dir)
*is_dir = S_ISDIR (statbuf.st_mode);
if (statbuf.st_mtime > statbuf.st_ctime)
return statbuf.st_mtime;
return statbuf.st_ctime;
}
#endif
#if 0
static void
gst_registry_xml_get_perms_func (GstRegistry * registry)
{
gchar *dirname;
/* if the dir does not exist, make it. if that can't be done, flags = 0x0.
if the file can be appended to, it's writable. if it can then be read,
it's readable.
After that check if it exists. */
if (make_dir (registry->location) != TRUE) {
/* we can't do anything with it, leave flags as 0x0 */
return;
}
dirname = g_path_get_dirname (registry->location);
if (g_file_test (registry->location, G_FILE_TEST_EXISTS)) {
GST_REGISTRY (registry)->flags |= GST_REGISTRY_EXISTS;
}
if (!access (dirname, W_OK)) {
GST_REGISTRY (registry)->flags |= GST_REGISTRY_WRITABLE;
}
if (!access (dirname, R_OK)) {
GST_REGISTRY (registry)->flags |= GST_REGISTRY_READABLE;
}
g_free (dirname);
}
#endif
#if 0
/* return TRUE iff regtime is more recent than the times of all the .so files
* in the plugin dirs; ie return TRUE if this path does not need to trigger
* a rebuild of registry
*
* - if it's a directory, recurse on subdirs
* - if it's a file
* - if entry is not newer, return TRUE.
* - if it's newer
* - and it's a plugin, return FALSE
* - otherwise return TRUE
*/
static gboolean
plugin_times_older_than_recurse (gchar * path, time_t regtime)
{
DIR *dir;
struct dirent *dirent;
gboolean is_dir;
gchar *new_path;
time_t pathtime = get_time (path, &is_dir);
if (is_dir) {
dir = opendir (path);
if (dir) {
while ((dirent = readdir (dir))) {
/* don't want to recurse in place or backwards */
if (strcmp (dirent->d_name, ".") && strcmp (dirent->d_name, "..")) {
new_path = g_build_filename (path, dirent->d_name, NULL);
if (!plugin_times_older_than_recurse (new_path, regtime)) {
GST_CAT_INFO (GST_CAT_PLUGIN_LOADING,
"path %s is more recent than registry time of %ld",
new_path, (long) regtime);
g_free (new_path);
closedir (dir);
return FALSE;
}
g_free (new_path);
}
}
closedir (dir);
}
return TRUE;
}
/* it's a file */
if (pathtime <= regtime) {
return TRUE;
}
/* it's a file, and it's more recent */
if (g_str_has_suffix (path, ".so") || g_str_has_suffix (path, ".dll")) {
if (!gst_plugin_check_file (path, NULL))
return TRUE;
/* it's a newer GStreamer plugin */
GST_CAT_INFO (GST_CAT_PLUGIN_LOADING,
"%s looks like a plugin and is more recent than registry time of %ld",
path, (long) regtime);
return FALSE;
}
return TRUE;
}
#endif
#if 0
/* return TRUE iff regtime is more recent than the times of all the .so files
* in the plugin dirs; ie return TRUE if registry is up to date.
*/
static gboolean
plugin_times_older_than (GList * paths, time_t regtime)
{
while (paths) {
GST_CAT_LOG (GST_CAT_PLUGIN_LOADING,
"comparing plugin times from %s with %ld",
(gchar *) paths->data, (long) regtime);
if (!plugin_times_older_than_recurse (paths->data, regtime))
return FALSE;
paths = g_list_next (paths);
}
GST_CAT_LOG (GST_CAT_PLUGIN_LOADING,
"everything's fine, no registry rebuild needed.");
return TRUE;
}
#endif
#if 0
static gboolean
gst_registry_xml_open_func (GstRegistry * registry, GstRegistryMode mode)
{
GstRegistry *gst_registry;
GList *paths;
gst_registry = GST_REGISTRY (registry);
paths = gst_registry->paths;
GST_CAT_DEBUG (GST_CAT_GST_INIT, "opening registry %s", registry->location);
g_return_val_if_fail (registry->open == FALSE, FALSE);
/* if it doesn't exist, first try to build it, and check if it worked
* if it's not readable, return false
* if it's out of date, rebuild it */
if (mode == GST_XML_REGISTRY_READ) {
if (!(gst_registry->flags & GST_REGISTRY_EXISTS)) {
/* if it's not writable, then don't bother */
if (!(gst_registry->flags & GST_REGISTRY_WRITABLE)) {
GST_CAT_INFO (GST_CAT_GST_INIT, "Registry isn't writable");
return FALSE;
}
GST_CAT_INFO (GST_CAT_GST_INIT,
"Registry doesn't exist, trying to build...");
gst_registry_rebuild (gst_registry);
gst_registry_save (gst_registry);
/* FIXME: verify that the flags actually get updated ! */
if (!(gst_registry->flags & GST_REGISTRY_EXISTS)) {
return FALSE;
}
}
/* at this point we know it exists */
g_return_val_if_fail (gst_registry->flags & GST_REGISTRY_READABLE, FALSE);
if (!plugin_times_older_than (paths, get_time (registry->location, NULL))) {
if (gst_registry->flags & GST_REGISTRY_WRITABLE) {
GST_CAT_INFO (GST_CAT_GST_INIT, "Registry out of date, rebuilding...");
gst_registry_rebuild (gst_registry);
gst_registry_save (gst_registry);
if (!plugin_times_older_than (paths, get_time (registry->location,
NULL))) {
GST_CAT_INFO (GST_CAT_GST_INIT,
"Registry still out of date, something is wrong...");
return FALSE;
}
} else {
GST_CAT_INFO (GST_CAT_GST_INIT,
"Can't write to this registry and it's out of date, ignoring it");
return FALSE;
}
}
GST_CAT_DEBUG (GST_CAT_GST_INIT, "opening registry %s for reading",
registry->location);
registry->cache_file = fopen (registry->location, "r");
} else if (mode == GST_XML_REGISTRY_WRITE) {
char *tmploc;
int fd;
g_return_val_if_fail (gst_registry->flags & GST_REGISTRY_WRITABLE, FALSE);
tmploc = g_strconcat (registry->location, ".tmp", NULL);
GST_CAT_DEBUG (GST_CAT_GST_INIT, "opening registry %s for writing", tmploc);
if ((fd = open (tmploc, O_WRONLY | O_CREAT, 0644)) < 0) {
g_free (tmploc);
return FALSE;
}
g_free (tmploc);
registry->cache_file = fdopen (fd, "w");
}
if (!registry->cache_file)
return FALSE;
registry->open = TRUE;
return TRUE;
}
#endif
static gboolean
gst_registry_xml_save (GstRegistry * registry, gchar * format, ...)
{
@ -715,6 +430,16 @@ load_plugin (xmlTextReaderPtr reader, GList ** feature_list)
return NULL;
}
/**
* gst_registry_xml_read_cache:
* @registry: a #GstRegistry
* @location: a filename
*
* Read the contents of the XML cache file at location
* @location into @registry.
*
* Returns: TRUE on success.
*/
gboolean
gst_registry_xml_read_cache (GstRegistry * registry, const char *location)
{
@ -791,30 +516,6 @@ gst_registry_xml_read_cache (GstRegistry * registry, const char *location)
return TRUE;
}
#if 0
static gboolean
gst_registry_xml_load_plugin (GstRegistry * registry, GstPlugin * plugin)
{
GError *error = NULL;
GstPlugin *loaded_plugin;
/* FIXME: add gerror support */
loaded_plugin = gst_plugin_load_file (plugin->filename, &error);
if (!plugin) {
if (error) {
g_warning ("could not load plugin %s: %s", plugin->desc.name,
error->message);
g_error_free (error);
}
return FALSE;
} else if (loaded_plugin != plugin) {
g_critical ("how to remove plugins?");
}
return TRUE;
}
#endif
/*
* Save
*/
@ -985,6 +686,16 @@ gst_registry_xml_save_plugin (GstRegistry * registry, GstPlugin * plugin)
return TRUE;
}
/**
* gst_registry_xml_write_cache:
* @registry: a #GstRegistry
* @location: a filename
*
* Write @registry in an XML format at the location given by
* @location. Directories are automatically created.
*
* Returns: TRUE on success.
*/
gboolean
gst_registry_xml_write_cache (GstRegistry * registry, const char *location)
{
@ -1051,116 +762,3 @@ gst_registry_xml_write_cache (GstRegistry * registry, const char *location)
return TRUE;
}
#if 0
static GList *
gst_registry_xml_rebuild_recurse (GstRegistry * registry,
const gchar * directory)
{
GList *ret = NULL;
gint dr_len, sf_len;
if (g_file_test (directory, G_FILE_TEST_IS_DIR)) {
GDir *dir = g_dir_open (directory, 0, NULL);
if (dir) {
const gchar *dirent;
while ((dirent = g_dir_read_name (dir))) {
gchar *dirname;
if (*dirent == '=') {
/* =build, =inst, etc. -- automake distcheck directories */
continue;
}
dirname = g_strjoin ("/", directory, dirent, NULL);
ret =
g_list_concat (ret, gst_registry_xml_rebuild_recurse (registry,
dirname));
g_free (dirname);
}
g_dir_close (dir);
}
} else {
dr_len = strlen (directory);
sf_len = strlen (G_MODULE_SUFFIX);
if (dr_len >= sf_len &&
strcmp (directory + dr_len - sf_len, G_MODULE_SUFFIX) == 0) {
ret = g_list_prepend (ret, g_strdup (directory));
}
}
return ret;
}
static gboolean
gst_registry_xml_rebuild (GstRegistry * registry)
{
GList *walk = NULL, *plugins = NULL, *prune = NULL;
GError *error = NULL;
guint length;
GstPlugin *plugin;
GstRegistry *registry = GST_XML_REGISTRY (registry);
walk = registry->paths;
while (walk) {
gchar *path = (gchar *) walk->data;
GST_CAT_INFO (GST_CAT_PLUGIN_LOADING,
"Rebuilding registry %p in directory %s...", registry, path);
plugins = g_list_concat (plugins,
gst_registry_xml_rebuild_recurse (registry, path));
walk = g_list_next (walk);
}
plugins = g_list_reverse (plugins);
do {
length = g_list_length (plugins);
walk = plugins;
while (walk) {
g_assert (walk->data);
plugin = gst_plugin_load_file ((gchar *) walk->data, NULL);
if (plugin) {
prune = g_list_prepend (prune, walk->data);
gst_registry_add_plugin (registry, plugin);
}
walk = g_list_next (walk);
}
walk = prune;
while (walk) {
plugins = g_list_remove (plugins, walk->data);
g_free (walk->data);
walk = g_list_next (walk);
}
g_list_free (prune);
prune = NULL;
} while (g_list_length (plugins) != length);
walk = plugins;
while (walk) {
if ((plugin = gst_plugin_load_file ((gchar *) walk->data, &error))) {
g_warning ("Bizarre behavior: plugin %s actually loaded",
(gchar *) walk->data);
gst_registry_add_plugin (registry, plugin);
} else {
GST_CAT_INFO (GST_CAT_PLUGIN_LOADING, "Plugin %s failed to load: %s",
(gchar *) walk->data, error->message);
g_free (walk->data);
g_error_free (error);
error = NULL;
}
walk = g_list_next (walk);
}
return TRUE;
}
#endif