static gint
plugin_name_cmp (GstPlugin * a, GstPlugin * b)
{
const gchar *name_a = gst_plugin_get_name (a);
const gchar *name_b = gst_plugin_get_name (b);
return strcmp (name_a, name_b);
}
static void
print_plugin_automatic_install_info (GstPlugin * plugin)
{
const gchar *plugin_name;
GList *features, *l;
plugin_name = gst_plugin_get_name (plugin);
/* not interested in typefind factories, only element factories */
features = gst_registry_get_feature_list (gst_registry_get_default (),
GST_TYPE_ELEMENT_FACTORY);
for (l = features; l != NULL; l = l->next) {
GstPluginFeature *feature;
feature = GST_PLUGIN_FEATURE (l->data);
/* only interested in the ones that are in the plugin we just loaded */
if (g_str_equal (plugin_name, feature->plugin_name)) {
GstElementFactory *factory;
g_print ("element-%s\n", gst_plugin_feature_get_name (feature));
factory = GST_ELEMENT_FACTORY (feature);
print_plugin_automatic_install_info_protocols (factory);
print_plugin_automatic_install_info_codecs (factory);
}
}
g_list_foreach (features, (GFunc) gst_object_unref, NULL);
g_list_free (features);
}
static void
setup (void)
{
GList *features, *f;
GList *plugins, *p;
gchar **ignorelist = NULL;
const gchar *STATE_IGNORE_ELEMENTS = NULL;
GstRegistry *def;
GST_DEBUG ("getting elements for package %s", PACKAGE);
STATE_IGNORE_ELEMENTS = g_getenv ("GST_STATE_IGNORE_ELEMENTS");
if (!g_getenv ("GST_NO_STATE_IGNORE_ELEMENTS") && STATE_IGNORE_ELEMENTS) {
GST_DEBUG ("Will ignore element factories: '%s'", STATE_IGNORE_ELEMENTS);
ignorelist = g_strsplit (STATE_IGNORE_ELEMENTS, " ", 0);
}
def = gst_registry_get ();
plugins = gst_registry_get_plugin_list (def);
for (p = plugins; p; p = p->next) {
GstPlugin *plugin = p->data;
if (strcmp (gst_plugin_get_source (plugin), PACKAGE) != 0)
continue;
features =
gst_registry_get_feature_list_by_plugin (def,
gst_plugin_get_name (plugin));
for (f = features; f; f = f->next) {
GstPluginFeature *feature = f->data;
const gchar *name = gst_plugin_feature_get_name (feature);
gboolean ignore = FALSE;
if (!GST_IS_ELEMENT_FACTORY (feature))
continue;
if (ignorelist) {
gchar **s;
for (s = ignorelist; s && *s; ++s) {
if (g_str_has_prefix (name, *s)) {
GST_DEBUG ("ignoring element %s", name);
ignore = TRUE;
}
}
if (ignore)
continue;
}
GST_DEBUG ("adding element %s", name);
elements = g_list_prepend (elements, (gpointer) g_strdup (name));
}
gst_plugin_feature_list_free (features);
}
gst_plugin_list_free (plugins);
g_strfreev (ignorelist);
}
/**
* gst_plugin_feature_get_plugin_name:
* @feature: a feature
*
* Get the name of the plugin that provides this feature.
*
* Returns: the name of the plugin that provides this feature, or %NULL if
* the feature is not associated with a plugin.
*
* Since: 1.2.0
*/
const gchar *
gst_plugin_feature_get_plugin_name (GstPluginFeature * feature)
{
g_return_val_if_fail (GST_IS_PLUGIN_FEATURE (feature), NULL);
if (feature->plugin == NULL)
return NULL;
return gst_plugin_get_name (feature->plugin);
}
//
// STARTUP
///////////////////////////////////////////////////////////////////////////////
// (static) super-initialization - called once at application startup
bool LLMediaImplGStreamer::startup (LLMediaManagerData* init_data)
{
static bool done_init = false;
if (!done_init)
{
// Init the glib type system - we need it.
g_type_init();
set_gst_plugin_path();
// Protect against GStreamer resetting the locale, yuck.
static std::string saved_locale;
saved_locale = setlocale(LC_ALL, NULL);
if (0 == gst_init_check(NULL, NULL, NULL))
{
LL_WARNS("MediaImpl") << "GStreamer library failed to initialize and load standard plugins." << LL_ENDL;
setlocale(LC_ALL, saved_locale.c_str() );
return false;
}
setlocale(LC_ALL, saved_locale.c_str() );
// Set up logging facilities
gst_debug_remove_log_function( gst_debug_log_default );
gst_debug_add_log_function( gstreamer_log, NULL );
// Init our custom plugins - only really need do this once.
gst_slvideo_init_class();
// List the plugins GStreamer can find
LL_DEBUGS("MediaImpl") << "Found GStreamer plugins:" << LL_ENDL;
GList *list;
GstRegistry *registry = gst_registry_get_default();
std::string loaded = "";
for (list = gst_registry_get_plugin_list(registry);
list != NULL;
list = g_list_next(list))
{
GstPlugin *list_plugin = (GstPlugin *)list->data;
(bool)gst_plugin_is_loaded(list_plugin) ? loaded = "Yes" : loaded = "No";
LL_DEBUGS("MediaImpl") << gst_plugin_get_name(list_plugin) << ", loaded? " << loaded << LL_ENDL;
}
gst_plugin_list_free(list);
done_init = true;
}
return true;
}
GList *
gst_validate_plugin_get_config (GstPlugin * plugin)
{
GList *structures = NULL, *tmp, *plugin_conf = NULL;
const gchar *config = g_getenv ("GST_VALIDATE_CONFIG");
if ((plugin_conf =
g_object_get_data (G_OBJECT (plugin), GST_VALIDATE_PLUGIN_CONFIG)))
return plugin_conf;
if (config)
structures = gst_validate_utils_structs_parse_from_filename (config);
for (tmp = structures; tmp; tmp = tmp->next) {
if (gst_structure_has_name (tmp->data, gst_plugin_get_name (plugin)))
plugin_conf = g_list_append (plugin_conf, tmp->data);
}
g_object_set_data_full (G_OBJECT (plugin), GST_VALIDATE_PLUGIN_CONFIG,
plugin_conf, _free_plugin_config);
return plugin_conf;
}
static void
print_plugin (const gchar * marker, GstRegistry * registry, GstPlugin * plugin)
{
const gchar *name;
GList *features, *f;
name = gst_plugin_get_name (plugin);
GST_DEBUG ("%s: plugin %p %d %s file: %s", marker, plugin,
GST_OBJECT_REFCOUNT (plugin), name,
GST_STR_NULL (gst_plugin_get_filename (plugin)));
features = gst_registry_get_feature_list_by_plugin (registry, name);
for (f = features; f != NULL; f = f->next) {
GstPluginFeature *feature;
feature = GST_PLUGIN_FEATURE (f->data);
GST_LOG ("%s: feature: %p %s", marker, feature,
GST_OBJECT_NAME (feature));
}
gst_plugin_feature_list_free (features);
}
static void
print_plugin_info (GstPlugin * plugin)
{
const gchar *release_date = gst_plugin_get_release_date_string (plugin);
const gchar *filename = gst_plugin_get_filename (plugin);
n_print ("Plugin Details:\n");
n_print (" %-25s%s\n", "Name", gst_plugin_get_name (plugin));
n_print (" %-25s%s\n", "Description", gst_plugin_get_description (plugin));
n_print (" %-25s%s\n", "Filename", (filename != NULL) ? filename : "(null)");
n_print (" %-25s%s\n", "Version", gst_plugin_get_version (plugin));
n_print (" %-25s%s\n", "License", gst_plugin_get_license (plugin));
n_print (" %-25s%s\n", "Source module", gst_plugin_get_source (plugin));
if (release_date != NULL) {
const gchar *tz = "(UTC)";
gchar *str, *sep;
/* may be: YYYY-MM-DD or YYYY-MM-DDTHH:MMZ */
/* YYYY-MM-DDTHH:MMZ => YYYY-MM-DD HH:MM (UTC) */
str = g_strdup (release_date);
sep = strstr (str, "T");
if (sep != NULL) {
*sep = ' ';
sep = strstr (sep + 1, "Z");
if (sep != NULL)
*sep = ' ';
} else {
tz = "";
}
n_print (" %-25s%s%s\n", "Source release date", str, tz);
g_free (str);
}
n_print (" %-25s%s\n", "Binary package", gst_plugin_get_package (plugin));
n_print (" %-25s%s\n", "Origin URL", gst_plugin_get_origin (plugin));
n_print ("\n");
}
static void
print_blacklist (void)
{
GList *plugins, *cur;
gint count = 0;
g_print ("%s\n", _("Blacklisted files:"));
plugins = gst_registry_get_plugin_list (gst_registry_get ());
for (cur = plugins; cur != NULL; cur = g_list_next (cur)) {
GstPlugin *plugin = (GstPlugin *) (cur->data);
if (GST_OBJECT_FLAG_IS_SET (plugin, GST_PLUGIN_FLAG_BLACKLISTED)) {
g_print (" %s\n", gst_plugin_get_name (plugin));
count++;
}
}
g_print ("\n");
g_print (_("Total count: "));
g_print (ngettext ("%d blacklisted file", "%d blacklisted files", count),
count);
g_print ("\n");
gst_plugin_list_free (plugins);
}
static void
print_element_list (gboolean print_all)
{
int plugincount = 0, featurecount = 0, blacklistcount = 0;
GList *plugins, *orig_plugins;
orig_plugins = plugins = gst_registry_get_plugin_list (gst_registry_get ());
while (plugins) {
GList *features, *orig_features;
GstPlugin *plugin;
plugin = (GstPlugin *) (plugins->data);
plugins = g_list_next (plugins);
plugincount++;
if (GST_OBJECT_FLAG_IS_SET (plugin, GST_PLUGIN_FLAG_BLACKLISTED)) {
blacklistcount++;
continue;
}
orig_features = features =
gst_registry_get_feature_list_by_plugin (gst_registry_get (),
gst_plugin_get_name (plugin));
while (features) {
GstPluginFeature *feature;
if (G_UNLIKELY (features->data == NULL))
goto next;
feature = GST_PLUGIN_FEATURE (features->data);
featurecount++;
if (GST_IS_ELEMENT_FACTORY (feature)) {
GstElementFactory *factory;
factory = GST_ELEMENT_FACTORY (feature);
if (print_all)
print_element_info (factory, TRUE);
else
g_print ("%s: %s: %s\n", gst_plugin_get_name (plugin),
GST_OBJECT_NAME (factory),
gst_element_factory_get_metadata (factory,
GST_ELEMENT_METADATA_LONGNAME));
} else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
GstTypeFindFactory *factory;
const gchar *const *extensions;
factory = GST_TYPE_FIND_FACTORY (feature);
if (!print_all)
g_print ("%s: %s: ", gst_plugin_get_name (plugin),
gst_plugin_feature_get_name (feature));
extensions = gst_type_find_factory_get_extensions (factory);
if (extensions != NULL) {
guint i = 0;
while (extensions[i]) {
if (!print_all)
g_print ("%s%s", i > 0 ? ", " : "", extensions[i]);
i++;
}
if (!print_all)
g_print ("\n");
} else {
if (!print_all)
g_print ("no extensions\n");
}
} else {
if (!print_all)
n_print ("%s: %s (%s)\n", gst_plugin_get_name (plugin),
GST_OBJECT_NAME (feature), g_type_name (G_OBJECT_TYPE (feature)));
}
next:
features = g_list_next (features);
}
gst_plugin_feature_list_free (orig_features);
}
gst_plugin_list_free (orig_plugins);
g_print ("\n");
g_print (_("Total count: "));
g_print (ngettext ("%d plugin", "%d plugins", plugincount), plugincount);
if (blacklistcount) {
g_print (" (");
g_print (ngettext ("%d blacklist entry", "%d blacklist entries",
blacklistcount), blacklistcount);
g_print (" not shown)");
}
g_print (", ");
g_print (ngettext ("%d feature", "%d features", featurecount), featurecount);
g_print ("\n");
}
static void
print_plugin_features (GstPlugin * plugin)
{
GList *features, *origlist;
gint num_features = 0;
gint num_elements = 0;
gint num_tracers = 0;
gint num_typefinders = 0;
gint num_devproviders = 0;
gint num_other = 0;
origlist = features =
gst_registry_get_feature_list_by_plugin (gst_registry_get (),
gst_plugin_get_name (plugin));
while (features) {
GstPluginFeature *feature;
feature = GST_PLUGIN_FEATURE (features->data);
if (GST_IS_ELEMENT_FACTORY (feature)) {
GstElementFactory *factory;
factory = GST_ELEMENT_FACTORY (feature);
n_print (" %s: %s\n", GST_OBJECT_NAME (factory),
gst_element_factory_get_metadata (factory,
GST_ELEMENT_METADATA_LONGNAME));
num_elements++;
} else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
GstTypeFindFactory *factory;
const gchar *const *extensions;
factory = GST_TYPE_FIND_FACTORY (feature);
extensions = gst_type_find_factory_get_extensions (factory);
if (extensions) {
guint i = 0;
g_print (" %s: %s: ", gst_plugin_get_name (plugin),
gst_plugin_feature_get_name (feature));
while (extensions[i]) {
g_print ("%s%s", i > 0 ? ", " : "", extensions[i]);
i++;
}
g_print ("\n");
} else
g_print (" %s: %s: no extensions\n", gst_plugin_get_name (plugin),
gst_plugin_feature_get_name (feature));
num_typefinders++;
} else if (GST_IS_DEVICE_PROVIDER_FACTORY (feature)) {
GstDeviceProviderFactory *factory;
factory = GST_DEVICE_PROVIDER_FACTORY (feature);
n_print (" %s: %s\n", GST_OBJECT_NAME (factory),
gst_device_provider_factory_get_metadata (factory,
GST_ELEMENT_METADATA_LONGNAME));
num_devproviders++;
} else if (GST_IS_TRACER_FACTORY (feature)) {
n_print (" %s (%s)\n", gst_object_get_name (GST_OBJECT (feature)),
g_type_name (G_OBJECT_TYPE (feature)));
num_tracers++;
} else if (feature) {
n_print (" %s (%s)\n", gst_object_get_name (GST_OBJECT (feature)),
g_type_name (G_OBJECT_TYPE (feature)));
num_other++;
}
num_features++;
features = g_list_next (features);
}
gst_plugin_feature_list_free (origlist);
n_print ("\n");
n_print (" %d features:\n", num_features);
if (num_elements > 0)
n_print (" +-- %d elements\n", num_elements);
if (num_typefinders > 0)
n_print (" +-- %d typefinders\n", num_typefinders);
if (num_devproviders > 0)
n_print (" +-- %d device providers\n", num_devproviders);
if (num_tracers > 0)
n_print (" +-- %d tracers\n", num_tracers);
if (num_other > 0)
n_print (" +-- %d other objects\n", num_other);
n_print ("\n");
}
static void
print_all_uri_handlers (void)
{
GList *plugins, *p, *features, *f;
plugins = gst_registry_get_plugin_list (gst_registry_get ());
for (p = plugins; p; p = p->next) {
GstPlugin *plugin = (GstPlugin *) (p->data);
features =
gst_registry_get_feature_list_by_plugin (gst_registry_get (),
gst_plugin_get_name (plugin));
for (f = features; f; f = f->next) {
GstPluginFeature *feature = GST_PLUGIN_FEATURE (f->data);
if (GST_IS_ELEMENT_FACTORY (feature)) {
GstElementFactory *factory;
GstElement *element;
factory = GST_ELEMENT_FACTORY (gst_plugin_feature_load (feature));
if (!factory) {
g_print ("element plugin %s couldn't be loaded\n",
gst_plugin_get_name (plugin));
continue;
}
element = gst_element_factory_create (factory, NULL);
if (!element) {
g_print ("couldn't construct element for %s for some reason\n",
GST_OBJECT_NAME (factory));
gst_object_unref (factory);
continue;
}
if (GST_IS_URI_HANDLER (element)) {
const gchar *const *uri_protocols;
const gchar *dir;
gchar *joined;
switch (gst_uri_handler_get_uri_type (GST_URI_HANDLER (element))) {
case GST_URI_SRC:
dir = "read";
break;
case GST_URI_SINK:
dir = "write";
break;
default:
dir = "unknown";
break;
}
uri_protocols =
gst_uri_handler_get_protocols (GST_URI_HANDLER (element));
joined = g_strjoinv (", ", (gchar **) uri_protocols);
g_print ("%s (%s, rank %u): %s\n",
gst_plugin_feature_get_name (GST_PLUGIN_FEATURE (factory)), dir,
gst_plugin_feature_get_rank (GST_PLUGIN_FEATURE (factory)),
joined);
g_free (joined);
}
gst_object_unref (element);
gst_object_unref (factory);
}
}
gst_plugin_feature_list_free (features);
}
gst_plugin_list_free (plugins);
}
//static
bool
MediaPluginGStreamer010::startup()
{
// first - check if GStreamer is explicitly disabled
if (NULL != getenv("LL_DISABLE_GSTREAMER"))
return false;
// only do global GStreamer initialization once.
if (!mDoneInit)
{
g_thread_init(NULL);
// Init the glib type system - we need it.
g_type_init();
set_gst_plugin_path();
/*
// Get symbols!
#if LL_DARWIN
if (! grab_gst_syms("libgstreamer-0.10.dylib",
"libgstvideo-0.10.dylib") )
#elseif LL_WINDOWS
if (! grab_gst_syms("libgstreamer-0.10.dll",
"libgstvideo-0.10.dll") )
#else // linux or other ELFy unixoid
if (! grab_gst_syms("libgstreamer-0.10.so.0",
"libgstvideo-0.10.so.0") )
#endif
{
writeToLog("Couldn't find suitable GStreamer 0.10 support on this system - video playback disabled.");
return false;
}
*/
// if (gst_segtrap_set_enabled)
// {
gst_segtrap_set_enabled(FALSE);
// }
// else
// {
// writeToLog("gst_segtrap_set_enabled() is not available; plugin crashes won't be caught.");
// }
/*
#if LL_LINUX
// Gstreamer tries a fork during init, waitpid-ing on it,
// which conflicts with any installed SIGCHLD handler...
struct sigaction tmpact, oldact;
if (gst_registry_fork_set_enabled) {
// if we can disable SIGCHLD-using forking behaviour,
// do it.
gst_registry_fork_set_enabled(false);
}
else {
// else temporarily install default SIGCHLD handler
// while GStreamer initialises
tmpact.sa_handler = SIG_DFL;
sigemptyset( &tmpact.sa_mask );
tmpact.sa_flags = SA_SIGINFO;
sigaction(SIGCHLD, &tmpact, &oldact);
}
#endif // LL_LINUX
*/
// Protect against GStreamer resetting the locale, yuck.
static std::string saved_locale;
saved_locale = setlocale(LC_ALL, NULL);
// finally, try to initialize GStreamer!
GError *err = NULL;
gboolean init_gst_success = gst_init_check(NULL, NULL, &err);
// restore old locale
setlocale(LC_ALL, saved_locale.c_str() );
/*
#if LL_LINUX
// restore old SIGCHLD handler
if (!gst_registry_fork_set_enabled)
sigaction(SIGCHLD, &oldact, NULL);
#endif // LL_LINUX
*/
if (!init_gst_success) // fail
{
if (err)
{
writeToLog("GST init failed: %s", err->message);
g_error_free(err);
}
else
{
writeToLog("GST init failed for unspecified reason.");
}
return false;
}
// Set up logging facilities
gst_debug_remove_log_function( gst_debug_log_default );
// gst_debug_add_log_function( gstreamer_log, NULL );
// Init our custom plugins - only really need do this once.
gst_slvideo_init_class();
// List the plugins GStreamer can find
writeToLog("Found GStreamer plugins:");
GList *list;
GstRegistry *registry = gst_registry_get_default();
std::string loaded = "No";
for (list = gst_registry_get_plugin_list(registry);
list != NULL;
list = g_list_next(list))
{
GstPlugin *list_plugin = (GstPlugin *)list->data;
if (gst_plugin_is_loaded(list_plugin)) loaded = "Yes";
writeToLog("%s, loaded? %s", gst_plugin_get_name(list_plugin), loaded.c_str());
}
gst_plugin_list_free(list);
mDoneInit = true;
}
return true;
}
/* Method: name
* Returns: the unique name of the plugin.
*/
static VALUE
rb_gst_plugin_get_name (VALUE self)
{
return CSTR2RVAL (gst_plugin_get_name (RGST_PLUGIN (self)));
}
