2 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
3 * 2000 Wim Taymans <wtay@chello.be>
4 * 2004 Thomas Vander Stichele <thomas@apestaart.org>
6 * gst-inspect.c: tool to inspect the GStreamer registry
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library; if not, write to the
20 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 * Boston, MA 02111-1307, USA.
29 #include <gst/controller/gstcontroller.h>
31 #include "gst/gst-i18n-app.h"
35 #include <glib/gprintf.h>
39 static int print_element_info (GstElementFactory * factory,
40 gboolean print_names);
43 n_print (const char *format, ...)
51 va_start (args, format);
52 retval = g_vprintf (format, args);
57 print_field (GQuark field, const GValue * value, gpointer pfx)
59 gchar *str = gst_value_serialize (value);
61 n_print ("%s %15s: %s\n", (gchar *) pfx, g_quark_to_string (field), str);
67 print_caps (const GstCaps * caps, const gchar * pfx)
71 g_return_if_fail (caps != NULL);
73 if (gst_caps_is_any (caps)) {
74 n_print ("%sANY\n", pfx);
77 if (gst_caps_is_empty (caps)) {
78 n_print ("%sEMPTY\n", pfx);
82 for (i = 0; i < gst_caps_get_size (caps); i++) {
83 GstStructure *structure = gst_caps_get_structure (caps, i);
85 n_print ("%s%s\n", pfx, gst_structure_get_name (structure));
86 gst_structure_foreach (structure, print_field, (gpointer) pfx);
92 print_formats (const GstFormat * formats)
94 while (formats && *formats) {
95 const GstFormatDefinition *definition;
97 definition = gst_format_get_details (*formats);
99 n_print ("\t\t(%d):\t%s (%s)\n", *formats,
100 definition->nick, definition->description);
102 n_print ("\t\t(%d):\tUnknown format\n", *formats);
110 print_query_types (const GstQueryType * types)
112 while (types && *types) {
113 const GstQueryTypeDefinition *definition;
115 definition = gst_query_type_get_details (*types);
117 n_print ("\t\t(%d):\t%s (%s)\n", *types,
118 definition->nick, definition->description);
120 n_print ("\t\t(%d):\tUnknown query format\n", *types);
126 #ifndef GST_DISABLE_ENUMTYPES
129 print_event_masks (const GstEventMask * masks)
134 GFlagsClass *flags_class = NULL;
136 event_type = gst_event_type_get_type ();
137 klass = (GEnumClass *) g_type_class_ref (event_type);
139 while (masks && masks->type) {
141 gint flags = 0, index = 0;
143 switch (masks->type) {
145 flags = masks->flags;
146 event_flags = gst_seek_type_get_type ();
147 flags_class = (GFlagsClass *) g_type_class_ref (event_flags);
153 value = g_enum_get_value (klass, masks->type);
154 g_print ("\t\t%s ", value->value_nick);
160 value = g_flags_get_first_value (flags_class, 1 << index);
163 g_print ("| %s ", value->value_nick);
178 print_event_masks (const GstEventMask * masks)
184 get_rank_name (gint rank)
189 case GST_RANK_MARGINAL:
191 case GST_RANK_SECONDARY:
193 case GST_RANK_PRIMARY:
201 print_factory_details_info (GstElementFactory * factory)
203 n_print ("Factory Details:\n");
204 n_print (" Long name:\t%s\n", factory->details.longname);
205 n_print (" Class:\t%s\n", factory->details.klass);
206 n_print (" Description:\t%s\n", factory->details.description);
207 n_print (" Author(s):\t%s\n", factory->details.author);
208 n_print (" Rank:\t\t%s (%d)\n",
209 get_rank_name (GST_PLUGIN_FEATURE (factory)->rank),
210 GST_PLUGIN_FEATURE (factory)->rank);
215 print_hierarchy (GType type, gint level, gint * maxlevel)
220 parent = g_type_parent (type);
222 *maxlevel = *maxlevel + 1;
226 print_hierarchy (parent, level, maxlevel);
231 for (i = 1; i < *maxlevel - level; i++)
233 if (*maxlevel - level)
236 g_print ("%s\n", g_type_name (type));
243 print_interfaces (GType type)
246 GType *iface, *ifaces = g_type_interfaces (type, &n_ifaces);
250 g_print ("Implemented Interfaces:\n");
253 g_print (" %s\n", g_type_name (*iface));
263 print_element_properties_info (GstElement * element)
265 GParamSpec **property_specs;
266 guint num_properties, i;
270 property_specs = g_object_class_list_properties
271 (G_OBJECT_GET_CLASS (element), &num_properties);
273 n_print ("Element Properties:\n");
275 for (i = 0; i < num_properties; i++) {
276 GValue value = { 0, };
277 GParamSpec *param = property_specs[i];
281 g_value_init (&value, param->value_type);
283 n_print (" %-20s: %s\n", g_param_spec_get_name (param),
284 g_param_spec_get_blurb (param));
287 n_print ("%-23.23s flags: ", "");
288 if (param->flags & G_PARAM_READABLE) {
289 g_object_get_property (G_OBJECT (element), param->name, &value);
291 g_print ((first_flag ? "readable" : ", readable"));
294 if (param->flags & G_PARAM_WRITABLE) {
295 g_print ((first_flag ? "writable" : ", writable"));
298 if (param->flags & GST_PARAM_CONTROLLABLE) {
299 g_print ((first_flag ? "controllable" : ", controllable"));
304 switch (G_VALUE_TYPE (&value)) {
307 GParamSpecString *pstring = G_PARAM_SPEC_STRING (param);
309 n_print ("%-23.23s String. ", "");
311 if (pstring->default_value == NULL)
312 g_print ("Default: null ");
314 g_print ("Default: \"%s\" ", pstring->default_value);
317 const char *string_val = g_value_get_string (&value);
319 if (string_val == NULL)
320 g_print ("Current: null");
322 g_print ("Current: \"%s\"", string_val);
328 GParamSpecBoolean *pboolean = G_PARAM_SPEC_BOOLEAN (param);
330 n_print ("%-23.23s Boolean. ", "");
331 g_print ("Default: %s ", (pboolean->default_value ? "true" : "false"));
333 g_print ("Current: %s",
334 (g_value_get_boolean (&value) ? "true" : "false"));
339 GParamSpecULong *pulong = G_PARAM_SPEC_ULONG (param);
341 n_print ("%-23.23s Unsigned Long. ", "");
342 g_print ("Range: %lu - %lu Default: %lu ",
343 pulong->minimum, pulong->maximum, pulong->default_value);
345 g_print ("Current: %lu", g_value_get_ulong (&value));
350 GParamSpecLong *plong = G_PARAM_SPEC_LONG (param);
352 n_print ("%-23.23s Long. ", "");
353 g_print ("Range: %ld - %ld Default: %ld ",
354 plong->minimum, plong->maximum, plong->default_value);
356 g_print ("Current: %ld", g_value_get_long (&value));
361 GParamSpecUInt *puint = G_PARAM_SPEC_UINT (param);
363 n_print ("%-23.23s Unsigned Integer. ", "");
364 g_print ("Range: %u - %u Default: %u ",
365 puint->minimum, puint->maximum, puint->default_value);
367 g_print ("Current: %u", g_value_get_uint (&value));
372 GParamSpecInt *pint = G_PARAM_SPEC_INT (param);
374 n_print ("%-23.23s Integer. ", "");
375 g_print ("Range: %d - %d Default: %d ",
376 pint->minimum, pint->maximum, pint->default_value);
378 g_print ("Current: %d", g_value_get_int (&value));
383 GParamSpecUInt64 *puint64 = G_PARAM_SPEC_UINT64 (param);
385 n_print ("%-23.23s Unsigned Integer64. ", "");
386 g_print ("Range: %" G_GUINT64_FORMAT " - %" G_GUINT64_FORMAT
387 " Default: %" G_GUINT64_FORMAT " ",
388 puint64->minimum, puint64->maximum, puint64->default_value);
390 g_print ("Current: %" G_GUINT64_FORMAT, g_value_get_uint64 (&value));
395 GParamSpecInt64 *pint64 = G_PARAM_SPEC_INT64 (param);
397 n_print ("%-23.23s Integer64. ", "");
398 g_print ("Range: %" G_GINT64_FORMAT " - %" G_GINT64_FORMAT
399 " Default: %" G_GINT64_FORMAT " ",
400 pint64->minimum, pint64->maximum, pint64->default_value);
402 g_print ("Current: %" G_GINT64_FORMAT, g_value_get_int64 (&value));
407 GParamSpecFloat *pfloat = G_PARAM_SPEC_FLOAT (param);
409 n_print ("%-23.23s Float. ", "");
410 g_print ("Range: %15.7g - %15.7g Default: %15.7g ",
411 pfloat->minimum, pfloat->maximum, pfloat->default_value);
413 g_print ("Current: %15.7g\n", g_value_get_float (&value));
418 GParamSpecDouble *pdouble = G_PARAM_SPEC_DOUBLE (param);
420 n_print ("%-23.23s Double. ", "");
421 g_print ("Range: %15.7g - %15.7g Default: %15.7g ",
422 pdouble->minimum, pdouble->maximum, pdouble->default_value);
424 g_print ("Current: %15.7g\n", g_value_get_double (&value));
428 if (param->value_type == GST_TYPE_URI) {
429 n_print ("%-23.23s URI", "");
431 if (param->value_type == GST_TYPE_CAPS) {
432 const GstCaps *caps = gst_value_get_caps (&value);
435 n_print ("%-23.23s Caps (NULL)", "");
437 print_caps (caps, " ");
439 } else if (G_IS_PARAM_SPEC_ENUM (param)) {
444 values = G_ENUM_CLASS (g_type_class_ref (param->value_type))->values;
445 enum_value = g_value_get_enum (&value);
447 while (values[j].value_name) {
448 if (values[j].value == enum_value)
453 n_print ("%-23.23s Enum \"%s\" Current: %d, \"%s\"", "",
454 g_type_name (G_VALUE_TYPE (&value)),
455 enum_value, values[j].value_nick);
458 while (values[j].value_name) {
459 g_print ("\n%s%-23.23s (%d): \t%s", "",
460 _name, values[j].value, values[j].value_nick);
463 /* g_type_class_unref (ec); */
464 } else if (G_IS_PARAM_SPEC_FLAGS (param)) {
468 GString *flags = NULL;
470 values = G_FLAGS_CLASS (g_type_class_ref (param->value_type))->values;
471 flags_value = g_value_get_flags (&value);
473 while (values[j].value_name) {
474 if (values[j].value & flags_value) {
476 g_string_append_printf (flags, " | %s", values[j].value_nick);
478 flags = g_string_new (values[j].value_nick);
484 n_print ("%-23.23s Flags \"%s\" Current: %d, \"%s\"", "",
485 g_type_name (G_VALUE_TYPE (&value)),
486 flags_value, (flags ? flags->str : "(none)"));
489 while (values[j].value_name) {
490 g_print ("\n%s%-23.23s (%d): \t%s", "",
491 _name, values[j].value, values[j].value_nick);
496 g_string_free (flags, TRUE);
497 } else if (G_IS_PARAM_SPEC_OBJECT (param)) {
498 n_print ("%-23.23s Object of type \"%s\"", "",
499 g_type_name (param->value_type));
501 n_print ("%-23.23s Unknown type %ld \"%s\"", "", param->value_type,
502 g_type_name (param->value_type));
507 g_print (" Write only\n");
511 if (num_properties == 0)
514 g_free (property_specs);
518 print_pad_templates_info (GstElement * element, GstElementFactory * factory)
520 GstElementClass *gstelement_class;
522 GstStaticPadTemplate *padtemplate;
524 n_print ("Pad Templates:\n");
525 if (!factory->numpadtemplates) {
530 gstelement_class = GST_ELEMENT_CLASS (G_OBJECT_GET_CLASS (element));
532 pads = factory->staticpadtemplates;
534 padtemplate = (GstStaticPadTemplate *) (pads->data);
535 pads = g_list_next (pads);
537 if (padtemplate->direction == GST_PAD_SRC)
538 n_print (" SRC template: '%s'\n", padtemplate->name_template);
539 else if (padtemplate->direction == GST_PAD_SINK)
540 n_print (" SINK template: '%s'\n", padtemplate->name_template);
542 n_print (" UNKNOWN!!! template: '%s'\n", padtemplate->name_template);
544 if (padtemplate->presence == GST_PAD_ALWAYS)
545 n_print (" Availability: Always\n");
546 else if (padtemplate->presence == GST_PAD_SOMETIMES)
547 n_print (" Availability: Sometimes\n");
548 else if (padtemplate->presence == GST_PAD_REQUEST) {
549 n_print (" Availability: On request\n");
550 n_print (" Has request_new_pad() function: %s\n",
551 GST_DEBUG_FUNCPTR_NAME (gstelement_class->request_new_pad));
553 n_print (" Availability: UNKNOWN!!!\n");
555 if (padtemplate->static_caps.string) {
556 n_print (" Capabilities:\n");
557 print_caps (gst_static_caps_get (&padtemplate->static_caps), " ");
565 print_element_flag_info (GstElement * element)
567 gboolean have_flags = FALSE;
570 n_print ("Element Flags:\n");
573 n_print (" no flags set\n");
575 if (GST_IS_BIN (element)) {
577 n_print ("Bin Flags:\n");
579 n_print (" no flags set\n");
584 print_implementation_info (GstElement * element)
586 GstObjectClass *gstobject_class;
587 GstElementClass *gstelement_class;
589 gstobject_class = GST_OBJECT_CLASS (G_OBJECT_GET_CLASS (element));
590 gstelement_class = GST_ELEMENT_CLASS (G_OBJECT_GET_CLASS (element));
593 n_print ("Element Implementation:\n");
595 n_print (" No loopfunc(), must be chain-based or not configured yet\n");
597 n_print (" Has change_state() function: %s\n",
598 GST_DEBUG_FUNCPTR_NAME (gstelement_class->change_state));
599 #ifndef GST_DISABLE_LOADSAVE
600 n_print (" Has custom save_thyself() function: %s\n",
601 GST_DEBUG_FUNCPTR_NAME (gstobject_class->save_thyself));
602 n_print (" Has custom restore_thyself() function: %s\n",
603 GST_DEBUG_FUNCPTR_NAME (gstobject_class->restore_thyself));
608 print_clocking_info (GstElement * element)
610 if (!gst_element_requires_clock (element) &&
611 !(gst_element_provides_clock (element) &&
612 gst_element_get_clock (element))) {
614 n_print ("Element has no clocking capabilities.");
619 n_print ("Clocking Interaction:\n");
620 if (gst_element_requires_clock (element)) {
621 n_print (" element requires a clock\n");
624 if (gst_element_provides_clock (element)) {
627 clock = gst_element_get_clock (element);
629 n_print (" element provides a clock: %s\n", GST_OBJECT_NAME (clock));
631 n_print (" element is supposed to provide a clock but returned NULL\n");
635 #ifndef GST_DISABLE_INDEX
637 print_index_info (GstElement * element)
639 if (gst_element_is_indexable (element)) {
641 n_print ("Indexing capabilities:\n");
642 n_print (" element can do indexing\n");
645 n_print ("Element has no indexing capabilities.\n");
650 print_index_info (GstElement * element)
656 print_pad_info (GstElement * element)
664 if (!element->numpads) {
669 pads = element->pads;
671 pad = GST_PAD (pads->data);
672 pads = g_list_next (pads);
676 if (gst_pad_get_direction (pad) == GST_PAD_SRC)
677 g_print (" SRC: '%s'", gst_pad_get_name (pad));
678 else if (gst_pad_get_direction (pad) == GST_PAD_SINK)
679 g_print (" SINK: '%s'", gst_pad_get_name (pad));
681 g_print (" UNKNOWN!!!: '%s'", gst_pad_get_name (pad));
685 n_print (" Implementation:\n");
687 n_print (" Has chainfunc(): %s\n",
688 GST_DEBUG_FUNCPTR_NAME (pad->chainfunc));
689 if (pad->getrangefunc)
690 n_print (" Has getrangefunc(): %s\n",
691 GST_DEBUG_FUNCPTR_NAME (pad->getrangefunc));
692 if (pad->eventfunc != gst_pad_event_default)
693 n_print (" Has custom eventfunc(): %s\n",
694 GST_DEBUG_FUNCPTR_NAME (pad->eventfunc));
695 if (pad->queryfunc != gst_pad_query_default)
696 n_print (" Has custom queryfunc(): %s\n",
697 GST_DEBUG_FUNCPTR_NAME (pad->queryfunc));
698 if (pad->querytypefunc != gst_pad_get_query_types_default) {
699 n_print (" Provides query types:\n");
700 print_query_types (gst_pad_get_query_types (pad));
703 if (pad->intlinkfunc != gst_pad_get_internal_links_default)
704 n_print (" Has custom intconnfunc(): %s\n",
705 GST_DEBUG_FUNCPTR_NAME (pad->intlinkfunc));
707 if (pad->bufferallocfunc)
708 n_print (" Has bufferallocfunc(): %s\n",
709 GST_DEBUG_FUNCPTR_NAME (pad->bufferallocfunc));
711 if (pad->padtemplate)
712 n_print (" Pad Template: '%s'\n", pad->padtemplate->name_template);
715 n_print (" Capabilities:\n");
716 print_caps (pad->caps, " ");
723 compare_signal_names (GSignalQuery * a, GSignalQuery * b)
725 return strcmp (a->signal_name, b->signal_name);
730 print_signal_info (GstElement * element)
732 /* Signals/Actions Block */
736 GSignalQuery *query = NULL;
738 GSList *found_signals, *l;
740 for (k = 0; k < 2; k++) {
741 found_signals = NULL;
742 for (type = G_OBJECT_TYPE (element); type; type = g_type_parent (type)) {
743 if (type == GST_TYPE_ELEMENT || type == GST_TYPE_OBJECT)
746 if (type == GST_TYPE_BIN && G_OBJECT_TYPE (element) != GST_TYPE_BIN)
749 signals = g_signal_list_ids (type, &nsignals);
750 for (i = 0; i < nsignals; i++) {
751 query = g_new0 (GSignalQuery, 1);
752 g_signal_query (signals[i], query);
754 if ((k == 0 && !(query->signal_flags & G_SIGNAL_ACTION)) ||
755 (k == 1 && (query->signal_flags & G_SIGNAL_ACTION)))
756 found_signals = g_slist_append (found_signals, query);
763 n_print ("Element Signals:\n");
765 n_print ("Element Actions:\n");
770 for (l = found_signals; l; l = l->next) {
774 query = (GSignalQuery *) l->data;
775 indent_len = strlen (query->signal_name) +
776 strlen (g_type_name (query->return_type)) + 24;
778 indent = g_new0 (gchar, indent_len + 1);
779 memset (indent, ' ', indent_len);
781 n_print (" \"%s\" : %s user_function (%s* object",
783 g_type_name (query->return_type), g_type_name (type));
785 for (j = 0; j < query->n_params; j++) {
786 if (G_TYPE_IS_FUNDAMENTAL (query->param_types[j])) {
787 g_print (",\n%s%s%s arg%d", _name, indent,
788 g_type_name (query->param_types[j]), j);
790 g_print (",\n%s%s%s* arg%d", _name, indent,
791 g_type_name (query->param_types[j]), j);
796 g_print (",\n%s%sgpointer user_data);\n", _name, indent);
804 g_slist_foreach (found_signals, (GFunc) g_free, NULL);
805 g_slist_free (found_signals);
811 print_children_info (GstElement * element)
815 if (!GST_IS_BIN (element))
818 children = (GList *) GST_BIN (element)->children;
821 g_print ("Children:\n");
825 n_print (" %s\n", GST_ELEMENT_NAME (GST_ELEMENT (children->data)));
826 children = g_list_next (children);
831 print_element_list (gboolean print_all)
833 int plugincount = 0, featurecount = 0;
834 GList *plugins, *orig_plugins;
836 orig_plugins = plugins = gst_default_registry_get_plugin_list ();
838 GList *features, *orig_features;
841 plugin = (GstPlugin *) (plugins->data);
842 plugins = g_list_next (plugins);
845 orig_features = features =
846 gst_registry_get_feature_list_by_plugin (gst_registry_get_default (),
849 GstPluginFeature *feature;
851 feature = GST_PLUGIN_FEATURE (features->data);
854 if (GST_IS_ELEMENT_FACTORY (feature)) {
855 GstElementFactory *factory;
857 factory = GST_ELEMENT_FACTORY (feature);
859 print_element_info (factory, TRUE);
861 g_print ("%s: %s: %s\n", plugin->desc.name,
862 GST_PLUGIN_FEATURE_NAME (factory), factory->details.longname);
864 #ifndef GST_DISABLE_INDEX
865 else if (GST_IS_INDEX_FACTORY (feature)) {
866 GstIndexFactory *factory;
868 factory = GST_INDEX_FACTORY (feature);
870 g_print ("%s: %s: %s\n", plugin->desc.name,
871 GST_PLUGIN_FEATURE_NAME (factory), factory->longdesc);
874 else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
875 GstTypeFindFactory *factory;
877 factory = GST_TYPE_FIND_FACTORY (feature);
879 g_print ("%s: %s: ", plugin->desc.name,
880 gst_plugin_feature_get_name (feature));
881 if (factory->extensions) {
884 while (factory->extensions[i]) {
886 g_print ("%s%s", i > 0 ? ", " : "", factory->extensions[i]);
893 g_print ("no extensions\n");
897 n_print ("%s: %s (%s)\n", plugin->desc.name,
898 GST_PLUGIN_FEATURE_NAME (feature),
899 g_type_name (G_OBJECT_TYPE (feature)));
902 features = g_list_next (features);
905 gst_plugin_feature_list_free (orig_features);
908 gst_plugin_list_free (plugins);
910 g_print ("\nTotal plugins: %d\nTotal features: %d\n",
911 plugincount, featurecount);
915 print_plugin_info (GstPlugin * plugin)
917 n_print ("Plugin Details:\n");
918 n_print (" Name:\t\t\t%s\n", plugin->desc.name);
919 n_print (" Description:\t\t%s\n", plugin->desc.description);
920 n_print (" Filename:\t\t%s\n",
921 plugin->filename ? plugin->filename : "(null)");
922 n_print (" Version:\t\t%s\n", plugin->desc.version);
923 n_print (" License:\t\t%s\n", plugin->desc.license);
924 n_print (" Source module:\t%s\n", plugin->desc.source);
925 n_print (" Binary package:\t%s\n", plugin->desc.package);
926 n_print (" Origin URL:\t\t%s\n", plugin->desc.origin);
931 print_plugin_features (GstPlugin * plugin)
934 gint num_features = 0;
935 gint num_elements = 0;
937 gint num_indexes = 0;
941 gst_registry_get_feature_list_by_plugin (gst_registry_get_default (),
945 GstPluginFeature *feature;
947 feature = GST_PLUGIN_FEATURE (features->data);
949 if (GST_IS_ELEMENT_FACTORY (feature)) {
950 GstElementFactory *factory;
952 factory = GST_ELEMENT_FACTORY (feature);
953 n_print (" %s: %s\n", GST_PLUGIN_FEATURE_NAME (factory),
954 factory->details.longname);
957 #ifndef GST_DISABLE_INDEX
958 else if (GST_IS_INDEX_FACTORY (feature)) {
959 GstIndexFactory *factory;
961 factory = GST_INDEX_FACTORY (feature);
962 n_print (" %s: %s\n", GST_OBJECT_NAME (factory), factory->longdesc);
966 else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
967 GstTypeFindFactory *factory;
969 factory = GST_TYPE_FIND_FACTORY (feature);
970 if (factory->extensions) {
973 g_print ("%s type: ", plugin->desc.name);
974 while (factory->extensions[i]) {
975 g_print ("%s%s", i > 0 ? ", " : "", factory->extensions[i]);
980 g_print ("%s type: N/A\n", plugin->desc.name);
984 n_print (" %s (%s)\n", gst_object_get_name (GST_OBJECT (feature)),
985 g_type_name (G_OBJECT_TYPE (feature)));
989 features = g_list_next (features);
992 n_print (" %d features:\n", num_features);
993 if (num_elements > 0)
994 n_print (" +-- %d elements\n", num_elements);
996 n_print (" +-- %d types\n", num_types);
998 n_print (" +-- %d indexes\n", num_indexes);
1000 n_print (" +-- %d other objects\n", num_other);
1006 print_element_features (const gchar * element_name)
1008 GstPluginFeature *feature;
1010 /* FIXME implement other pretty print function for these */
1011 #ifndef GST_DISABLE_INDEX
1012 feature = gst_default_registry_find_feature (element_name,
1013 GST_TYPE_INDEX_FACTORY);
1015 n_print ("%s: an index\n", element_name);
1019 feature = gst_default_registry_find_feature (element_name,
1020 GST_TYPE_TYPE_FIND_FACTORY);
1022 n_print ("%s: a typefind function\n", element_name);
1025 #ifndef GST_DISABLE_URI
1026 feature = gst_default_registry_find_feature (element_name,
1027 GST_TYPE_URI_HANDLER);
1029 n_print ("%s: an uri handler\n", element_name);
1038 print_element_info (GstElementFactory * factory, gboolean print_names)
1040 GstElement *element;
1044 GST_ELEMENT_FACTORY (gst_plugin_feature_load (GST_PLUGIN_FEATURE
1048 g_print ("element plugin couldn't be loaded\n");
1052 element = gst_element_factory_create (factory, NULL);
1054 g_print ("couldn't construct element for some reason\n");
1059 _name = g_strdup_printf ("%s: ", GST_PLUGIN_FEATURE (factory)->name);
1063 print_factory_details_info (factory);
1064 if (GST_PLUGIN_FEATURE (factory)->plugin_name) {
1067 plugin = gst_registry_find_plugin (gst_registry_get_default (),
1068 GST_PLUGIN_FEATURE (factory)->plugin_name);
1070 print_plugin_info (plugin);
1074 print_hierarchy (G_OBJECT_TYPE (element), 0, &maxlevel);
1075 print_interfaces (G_OBJECT_TYPE (element));
1077 print_pad_templates_info (element, factory);
1078 print_element_flag_info (element);
1079 print_implementation_info (element);
1080 print_clocking_info (element);
1081 print_index_info (element);
1082 print_pad_info (element);
1083 print_element_properties_info (element);
1084 print_signal_info (element);
1085 print_children_info (element);
1087 gst_object_unref (factory);
1096 main (int argc, char *argv[])
1098 gboolean print_all = FALSE;
1099 GOptionEntry options[] = {
1100 {"print-all", 'a', 0, G_OPTION_ARG_NONE, &print_all,
1101 N_("Print all elements"), NULL},
1104 GOptionContext *ctx;
1108 bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
1109 bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
1110 textdomain (GETTEXT_PACKAGE);
1113 ctx = g_option_context_new ("gst-inspect");
1114 g_option_context_add_main_entries (ctx, options, GETTEXT_PACKAGE);
1115 g_option_context_add_group (ctx, gst_init_get_option_group ());
1116 if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
1117 g_print ("Error initializing: %s\n", err->message);
1120 g_option_context_free (ctx);
1122 if (print_all && argc > 2) {
1123 g_print ("-a requires no extra arguments\n");
1127 /* if no arguments, print out list of elements */
1128 if (argc == 1 || print_all) {
1129 print_element_list (print_all);
1130 /* else we try to get a factory */
1132 GstElementFactory *factory;
1134 const char *arg = argv[argc - 1];
1137 factory = gst_element_factory_find (arg);
1138 /* if there's a factory, print out the info */
1140 retval = print_element_info (factory, print_all);
1142 retval = print_element_features (arg);
1145 /* otherwise check if it's a plugin */
1147 plugin = gst_default_registry_find_plugin (arg);
1149 /* if there is such a plugin, print out info */
1151 print_plugin_info (plugin);
1152 print_plugin_features (plugin);
1154 GError *error = NULL;
1156 if (g_file_test (arg, G_FILE_TEST_EXISTS)) {
1157 plugin = gst_plugin_load_file (arg, &error);
1160 print_plugin_info (plugin);
1161 print_plugin_features (plugin);
1163 g_print ("Error loading plugin file: %s\n", error->message);
1164 g_error_free (error);
1168 g_print ("No such element or plugin '%s'\n", arg);