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.
28 #include <gst/controller/gstcontroller.h>
34 #include <glib/gprintf.h>
38 static int print_element_info (GstElementFactory * factory,
39 gboolean print_names);
42 n_print (const char *format, ...)
50 va_start (args, format);
51 retval = g_vprintf (format, args);
56 print_field (GQuark field, const GValue * value, gpointer pfx)
58 gchar *str = gst_value_serialize (value);
60 n_print ("%s %15s: %s\n", (gchar *) pfx, g_quark_to_string (field), str);
66 print_caps (const GstCaps * caps, const gchar * pfx)
70 g_return_if_fail (caps != NULL);
72 if (gst_caps_is_any (caps)) {
73 n_print ("%sANY\n", pfx);
76 if (gst_caps_is_empty (caps)) {
77 n_print ("%sEMPTY\n", pfx);
81 for (i = 0; i < gst_caps_get_size (caps); i++) {
82 GstStructure *structure = gst_caps_get_structure (caps, i);
84 n_print ("%s%s\n", pfx, gst_structure_get_name (structure));
85 gst_structure_foreach (structure, print_field, (gpointer) pfx);
91 print_formats (const GstFormat * formats)
93 while (formats && *formats) {
94 const GstFormatDefinition *definition;
96 definition = gst_format_get_details (*formats);
98 n_print ("\t\t(%d):\t%s (%s)\n", *formats,
99 definition->nick, definition->description);
101 n_print ("\t\t(%d):\tUnknown format\n", *formats);
109 print_query_types (const GstQueryType * types)
111 while (types && *types) {
112 const GstQueryTypeDefinition *definition;
114 definition = gst_query_type_get_details (*types);
116 n_print ("\t\t(%d):\t%s (%s)\n", *types,
117 definition->nick, definition->description);
119 n_print ("\t\t(%d):\tUnknown query format\n", *types);
125 #ifndef GST_DISABLE_ENUMTYPES
128 print_event_masks (const GstEventMask * masks)
133 GFlagsClass *flags_class = NULL;
135 event_type = gst_event_type_get_type ();
136 klass = (GEnumClass *) g_type_class_ref (event_type);
138 while (masks && masks->type) {
140 gint flags = 0, index = 0;
142 switch (masks->type) {
144 flags = masks->flags;
145 event_flags = gst_seek_type_get_type ();
146 flags_class = (GFlagsClass *) g_type_class_ref (event_flags);
152 value = g_enum_get_value (klass, masks->type);
153 g_print ("\t\t%s ", value->value_nick);
159 value = g_flags_get_first_value (flags_class, 1 << index);
162 g_print ("| %s ", value->value_nick);
177 print_event_masks (const GstEventMask * masks)
183 get_rank_name (gint rank)
188 case GST_RANK_MARGINAL:
190 case GST_RANK_SECONDARY:
192 case GST_RANK_PRIMARY:
200 print_factory_details_info (GstElementFactory * factory)
202 n_print ("Factory Details:\n");
203 n_print (" Long name:\t%s\n", factory->details.longname);
204 n_print (" Class:\t%s\n", factory->details.klass);
205 n_print (" Description:\t%s\n", factory->details.description);
206 n_print (" Author(s):\t%s\n", factory->details.author);
207 n_print (" Rank:\t\t%s (%d)\n",
208 get_rank_name (GST_PLUGIN_FEATURE (factory)->rank),
209 GST_PLUGIN_FEATURE (factory)->rank);
214 print_hierarchy (GType type, gint level, gint * maxlevel)
219 parent = g_type_parent (type);
221 *maxlevel = *maxlevel + 1;
225 print_hierarchy (parent, level, maxlevel);
230 for (i = 1; i < *maxlevel - level; i++)
232 if (*maxlevel - level)
235 g_print ("%s\n", g_type_name (type));
242 print_interfaces (GType type)
245 GType *iface, *ifaces = g_type_interfaces (type, &n_ifaces);
249 g_print ("%sImplemented Interfaces:\n", _name);
252 g_print ("%s %s\n", _name, g_type_name (*iface));
255 g_print ("%s\n", _name);
262 print_element_properties_info (GstElement * element)
264 GParamSpec **property_specs;
265 guint num_properties, i;
269 property_specs = g_object_class_list_properties
270 (G_OBJECT_GET_CLASS (element), &num_properties);
272 n_print ("Element Properties:\n");
274 for (i = 0; i < num_properties; i++) {
275 GValue value = { 0, };
276 GParamSpec *param = property_specs[i];
280 g_value_init (&value, param->value_type);
282 n_print (" %-20s: %s\n", g_param_spec_get_name (param),
283 g_param_spec_get_blurb (param));
286 n_print ("%-23.23s flags: ", "");
287 if (param->flags & G_PARAM_READABLE) {
288 g_object_get_property (G_OBJECT (element), param->name, &value);
290 g_print ((first_flag ? "readable" : ", readable"));
293 if (param->flags & G_PARAM_WRITABLE) {
294 g_print ((first_flag ? "writable" : ", writable"));
297 if (param->flags & GST_PARAM_CONTROLLABLE) {
298 g_print ((first_flag ? "controllable" : ", controllable"));
303 switch (G_VALUE_TYPE (&value)) {
306 GParamSpecString *pstring = G_PARAM_SPEC_STRING (param);
308 n_print ("%-23.23s String. ", "");
310 if (pstring->default_value == NULL)
311 g_print ("Default: null ");
313 g_print ("Default: \"%s\" ", pstring->default_value);
316 const char *string_val = g_value_get_string (&value);
318 if (string_val == NULL)
319 g_print ("Current: null");
321 g_print ("Current: \"%s\"", string_val);
327 GParamSpecBoolean *pboolean = G_PARAM_SPEC_BOOLEAN (param);
329 n_print ("%-23.23s Boolean. ", "");
330 g_print ("Default: %s ", (pboolean->default_value ? "true" : "false"));
332 g_print ("Current: %s",
333 (g_value_get_boolean (&value) ? "true" : "false"));
338 GParamSpecULong *pulong = G_PARAM_SPEC_ULONG (param);
340 n_print ("%-23.23s Unsigned Long. ", "");
341 g_print ("Range: %lu - %lu Default: %lu ",
342 pulong->minimum, pulong->maximum, pulong->default_value);
344 g_print ("Current: %lu", g_value_get_ulong (&value));
349 GParamSpecLong *plong = G_PARAM_SPEC_LONG (param);
351 n_print ("%-23.23s Long. ", "");
352 g_print ("Range: %ld - %ld Default: %ld ",
353 plong->minimum, plong->maximum, plong->default_value);
355 g_print ("Current: %ld", g_value_get_long (&value));
360 GParamSpecUInt *puint = G_PARAM_SPEC_UINT (param);
362 n_print ("%-23.23s Unsigned Integer. ", "");
363 g_print ("Range: %u - %u Default: %u ",
364 puint->minimum, puint->maximum, puint->default_value);
366 g_print ("Current: %u", g_value_get_uint (&value));
371 GParamSpecInt *pint = G_PARAM_SPEC_INT (param);
373 n_print ("%-23.23s Integer. ", "");
374 g_print ("Range: %d - %d Default: %d ",
375 pint->minimum, pint->maximum, pint->default_value);
377 g_print ("Current: %d", g_value_get_int (&value));
382 GParamSpecUInt64 *puint64 = G_PARAM_SPEC_UINT64 (param);
384 n_print ("%-23.23s Unsigned Integer64. ", "");
385 g_print ("Range: %" G_GUINT64_FORMAT " - %" G_GUINT64_FORMAT
386 " Default: %" G_GUINT64_FORMAT " ",
387 puint64->minimum, puint64->maximum, puint64->default_value);
389 g_print ("Current: %" G_GUINT64_FORMAT, g_value_get_uint64 (&value));
394 GParamSpecInt64 *pint64 = G_PARAM_SPEC_INT64 (param);
396 n_print ("%-23.23s Integer64. ", "");
397 g_print ("Range: %" G_GINT64_FORMAT " - %" G_GINT64_FORMAT
398 " Default: %" G_GINT64_FORMAT " ",
399 pint64->minimum, pint64->maximum, pint64->default_value);
401 g_print ("Current: %" G_GINT64_FORMAT, g_value_get_int64 (&value));
406 GParamSpecFloat *pfloat = G_PARAM_SPEC_FLOAT (param);
408 n_print ("%-23.23s Float. ", "");
409 g_print ("Range: %15.7g - %15.7g Default: %15.7g ",
410 pfloat->minimum, pfloat->maximum, pfloat->default_value);
412 g_print ("Current: %15.7g", g_value_get_float (&value));
417 GParamSpecDouble *pdouble = G_PARAM_SPEC_DOUBLE (param);
419 n_print ("%-23.23s Double. ", "");
420 g_print ("Range: %15.7g - %15.7g Default: %15.7g ",
421 pdouble->minimum, pdouble->maximum, pdouble->default_value);
423 g_print ("Current: %15.7g", g_value_get_double (&value));
427 if (param->value_type == GST_TYPE_CAPS) {
428 const GstCaps *caps = gst_value_get_caps (&value);
431 n_print ("%-23.23s Caps (NULL)", "");
433 print_caps (caps, " ");
435 } else if (G_IS_PARAM_SPEC_ENUM (param)) {
440 values = G_ENUM_CLASS (g_type_class_ref (param->value_type))->values;
441 enum_value = g_value_get_enum (&value);
443 while (values[j].value_name) {
444 if (values[j].value == enum_value)
449 n_print ("%-23.23s Enum \"%s\" Current: %d, \"%s\"", "",
450 g_type_name (G_VALUE_TYPE (&value)),
451 enum_value, values[j].value_nick);
454 while (values[j].value_name) {
455 g_print ("\n%s%-23.23s %d) %-16s - %s", "",
456 _name, values[j].value, values[j].value_nick,
457 values[j].value_name);
460 /* g_type_class_unref (ec); */
461 } else if (G_IS_PARAM_SPEC_FLAGS (param)) {
465 GString *flags = NULL;
467 values = G_FLAGS_CLASS (g_type_class_ref (param->value_type))->values;
468 flags_value = g_value_get_flags (&value);
470 while (values[j].value_name) {
471 if (values[j].value & flags_value) {
473 g_string_append_printf (flags, " | %s", values[j].value_nick);
475 flags = g_string_new (values[j].value_nick);
481 n_print ("%-23.23s Flags \"%s\" Current: %d, \"%s\"", "",
482 g_type_name (G_VALUE_TYPE (&value)),
483 flags_value, (flags ? flags->str : "(none)"));
486 while (values[j].value_name) {
487 g_print ("\n%s%-23.23s (%d): \t%s", "",
488 _name, values[j].value, values[j].value_nick);
493 g_string_free (flags, TRUE);
494 } else if (G_IS_PARAM_SPEC_OBJECT (param)) {
495 n_print ("%-23.23s Object of type \"%s\"", "",
496 g_type_name (param->value_type));
497 } else if (G_IS_PARAM_SPEC_BOXED (param)) {
498 n_print ("%-23.23s Boxed pointer of type \"%s\"", "",
499 g_type_name (param->value_type));
500 } else if (G_IS_PARAM_SPEC_POINTER (param)) {
501 if (param->value_type != G_TYPE_POINTER) {
502 n_print ("%-23.23s Pointer of type \"%s\".", "",
503 g_type_name (param->value_type));
505 n_print ("%-23.23s Pointer.", "");
508 n_print ("%-23.23s Unknown type %ld \"%s\"", "", param->value_type,
509 g_type_name (param->value_type));
514 g_print (" Write only\n");
518 if (num_properties == 0)
521 g_free (property_specs);
525 print_pad_templates_info (GstElement * element, GstElementFactory * factory)
527 GstElementClass *gstelement_class;
529 GstStaticPadTemplate *padtemplate;
531 n_print ("Pad Templates:\n");
532 if (!factory->numpadtemplates) {
537 gstelement_class = GST_ELEMENT_CLASS (G_OBJECT_GET_CLASS (element));
539 pads = factory->staticpadtemplates;
541 padtemplate = (GstStaticPadTemplate *) (pads->data);
542 pads = g_list_next (pads);
544 if (padtemplate->direction == GST_PAD_SRC)
545 n_print (" SRC template: '%s'\n", padtemplate->name_template);
546 else if (padtemplate->direction == GST_PAD_SINK)
547 n_print (" SINK template: '%s'\n", padtemplate->name_template);
549 n_print (" UNKNOWN!!! template: '%s'\n", padtemplate->name_template);
551 if (padtemplate->presence == GST_PAD_ALWAYS)
552 n_print (" Availability: Always\n");
553 else if (padtemplate->presence == GST_PAD_SOMETIMES)
554 n_print (" Availability: Sometimes\n");
555 else if (padtemplate->presence == GST_PAD_REQUEST) {
556 n_print (" Availability: On request\n");
557 n_print (" Has request_new_pad() function: %s\n",
558 GST_DEBUG_FUNCPTR_NAME (gstelement_class->request_new_pad));
560 n_print (" Availability: UNKNOWN!!!\n");
562 if (padtemplate->static_caps.string) {
563 n_print (" Capabilities:\n");
564 print_caps (gst_static_caps_get (&padtemplate->static_caps), " ");
572 print_element_flag_info (GstElement * element)
574 gboolean have_flags = FALSE;
577 n_print ("Element Flags:\n");
580 n_print (" no flags set\n");
582 if (GST_IS_BIN (element)) {
584 n_print ("Bin Flags:\n");
586 n_print (" no flags set\n");
591 print_implementation_info (GstElement * element)
593 GstObjectClass *gstobject_class;
594 GstElementClass *gstelement_class;
596 gstobject_class = GST_OBJECT_CLASS (G_OBJECT_GET_CLASS (element));
597 gstelement_class = GST_ELEMENT_CLASS (G_OBJECT_GET_CLASS (element));
600 n_print ("Element Implementation:\n");
602 n_print (" No loopfunc(), must be chain-based or not configured yet\n");
604 n_print (" Has change_state() function: %s\n",
605 GST_DEBUG_FUNCPTR_NAME (gstelement_class->change_state));
606 #ifndef GST_DISABLE_LOADSAVE
607 n_print (" Has custom save_thyself() function: %s\n",
608 GST_DEBUG_FUNCPTR_NAME (gstobject_class->save_thyself));
609 n_print (" Has custom restore_thyself() function: %s\n",
610 GST_DEBUG_FUNCPTR_NAME (gstobject_class->restore_thyself));
615 print_clocking_info (GstElement * element)
617 if (!gst_element_requires_clock (element) &&
618 !(gst_element_provides_clock (element) &&
619 gst_element_get_clock (element))) {
621 n_print ("Element has no clocking capabilities.");
626 n_print ("Clocking Interaction:\n");
627 if (gst_element_requires_clock (element)) {
628 n_print (" element requires a clock\n");
631 if (gst_element_provides_clock (element)) {
634 clock = gst_element_get_clock (element);
636 n_print (" element provides a clock: %s\n", GST_OBJECT_NAME (clock));
638 n_print (" element is supposed to provide a clock but returned NULL\n");
642 #ifndef GST_DISABLE_INDEX
644 print_index_info (GstElement * element)
646 if (gst_element_is_indexable (element)) {
648 n_print ("Indexing capabilities:\n");
649 n_print (" element can do indexing\n");
652 n_print ("Element has no indexing capabilities.\n");
657 print_index_info (GstElement * element)
663 print_pad_info (GstElement * element)
671 if (!element->numpads) {
676 pads = element->pads;
678 pad = GST_PAD (pads->data);
679 pads = g_list_next (pads);
683 if (gst_pad_get_direction (pad) == GST_PAD_SRC)
684 g_print (" SRC: '%s'", gst_pad_get_name (pad));
685 else if (gst_pad_get_direction (pad) == GST_PAD_SINK)
686 g_print (" SINK: '%s'", gst_pad_get_name (pad));
688 g_print (" UNKNOWN!!!: '%s'", gst_pad_get_name (pad));
692 n_print (" Implementation:\n");
694 n_print (" Has chainfunc(): %s\n",
695 GST_DEBUG_FUNCPTR_NAME (pad->chainfunc));
696 if (pad->getrangefunc)
697 n_print (" Has getrangefunc(): %s\n",
698 GST_DEBUG_FUNCPTR_NAME (pad->getrangefunc));
699 if (pad->eventfunc != gst_pad_event_default)
700 n_print (" Has custom eventfunc(): %s\n",
701 GST_DEBUG_FUNCPTR_NAME (pad->eventfunc));
702 if (pad->queryfunc != gst_pad_query_default)
703 n_print (" Has custom queryfunc(): %s\n",
704 GST_DEBUG_FUNCPTR_NAME (pad->queryfunc));
705 if (pad->querytypefunc != gst_pad_get_query_types_default) {
706 n_print (" Provides query types:\n");
707 print_query_types (gst_pad_get_query_types (pad));
710 if (pad->intlinkfunc != gst_pad_get_internal_links_default)
711 n_print (" Has custom intconnfunc(): %s\n",
712 GST_DEBUG_FUNCPTR_NAME (pad->intlinkfunc));
714 if (pad->bufferallocfunc)
715 n_print (" Has bufferallocfunc(): %s\n",
716 GST_DEBUG_FUNCPTR_NAME (pad->bufferallocfunc));
718 if (pad->padtemplate)
719 n_print (" Pad Template: '%s'\n", pad->padtemplate->name_template);
722 n_print (" Capabilities:\n");
723 print_caps (pad->caps, " ");
730 compare_signal_names (GSignalQuery * a, GSignalQuery * b)
732 return strcmp (a->signal_name, b->signal_name);
737 print_signal_info (GstElement * element)
739 /* Signals/Actions Block */
743 GSignalQuery *query = NULL;
745 GSList *found_signals, *l;
747 for (k = 0; k < 2; k++) {
748 found_signals = NULL;
749 for (type = G_OBJECT_TYPE (element); type; type = g_type_parent (type)) {
750 if (type == GST_TYPE_ELEMENT || type == GST_TYPE_OBJECT)
753 if (type == GST_TYPE_BIN && G_OBJECT_TYPE (element) != GST_TYPE_BIN)
756 signals = g_signal_list_ids (type, &nsignals);
757 for (i = 0; i < nsignals; i++) {
758 query = g_new0 (GSignalQuery, 1);
759 g_signal_query (signals[i], query);
761 if ((k == 0 && !(query->signal_flags & G_SIGNAL_ACTION)) ||
762 (k == 1 && (query->signal_flags & G_SIGNAL_ACTION)))
763 found_signals = g_slist_append (found_signals, query);
770 n_print ("Element Signals:\n");
772 n_print ("Element Actions:\n");
777 for (l = found_signals; l; l = l->next) {
781 query = (GSignalQuery *) l->data;
782 indent_len = strlen (query->signal_name) +
783 strlen (g_type_name (query->return_type)) + 24;
785 indent = g_new0 (gchar, indent_len + 1);
786 memset (indent, ' ', indent_len);
788 n_print (" \"%s\" : %s user_function (%s* object",
790 g_type_name (query->return_type), g_type_name (type));
792 for (j = 0; j < query->n_params; j++) {
793 if (G_TYPE_IS_FUNDAMENTAL (query->param_types[j])) {
794 g_print (",\n%s%s%s arg%d", _name, indent,
795 g_type_name (query->param_types[j]), j);
797 g_print (",\n%s%s%s* arg%d", _name, indent,
798 g_type_name (query->param_types[j]), j);
803 g_print (",\n%s%sgpointer user_data);\n", _name, indent);
811 g_slist_foreach (found_signals, (GFunc) g_free, NULL);
812 g_slist_free (found_signals);
818 print_children_info (GstElement * element)
822 if (!GST_IS_BIN (element))
825 children = (GList *) GST_BIN (element)->children;
828 g_print ("Children:\n");
832 n_print (" %s\n", GST_ELEMENT_NAME (GST_ELEMENT (children->data)));
833 children = g_list_next (children);
838 print_element_list (gboolean print_all)
840 int plugincount = 0, featurecount = 0;
841 GList *plugins, *orig_plugins;
843 orig_plugins = plugins = gst_default_registry_get_plugin_list ();
845 GList *features, *orig_features;
848 plugin = (GstPlugin *) (plugins->data);
849 plugins = g_list_next (plugins);
852 orig_features = features =
853 gst_registry_get_feature_list_by_plugin (gst_registry_get_default (),
856 GstPluginFeature *feature;
858 feature = GST_PLUGIN_FEATURE (features->data);
861 if (GST_IS_ELEMENT_FACTORY (feature)) {
862 GstElementFactory *factory;
864 factory = GST_ELEMENT_FACTORY (feature);
866 print_element_info (factory, TRUE);
868 g_print ("%s: %s: %s\n", plugin->desc.name,
869 GST_PLUGIN_FEATURE_NAME (factory), factory->details.longname);
871 #ifndef GST_DISABLE_INDEX
872 else if (GST_IS_INDEX_FACTORY (feature)) {
873 GstIndexFactory *factory;
875 factory = GST_INDEX_FACTORY (feature);
877 g_print ("%s: %s: %s\n", plugin->desc.name,
878 GST_PLUGIN_FEATURE_NAME (factory), factory->longdesc);
881 else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
882 GstTypeFindFactory *factory;
884 factory = GST_TYPE_FIND_FACTORY (feature);
886 g_print ("%s: %s: ", plugin->desc.name,
887 gst_plugin_feature_get_name (feature));
888 if (factory->extensions) {
891 while (factory->extensions[i]) {
893 g_print ("%s%s", i > 0 ? ", " : "", factory->extensions[i]);
900 g_print ("no extensions\n");
904 n_print ("%s: %s (%s)\n", plugin->desc.name,
905 GST_PLUGIN_FEATURE_NAME (feature),
906 g_type_name (G_OBJECT_TYPE (feature)));
909 features = g_list_next (features);
912 gst_plugin_feature_list_free (orig_features);
915 gst_plugin_list_free (orig_plugins);
917 g_print ("\nTotal plugins: %d\nTotal features: %d\n",
918 plugincount, featurecount);
922 print_plugin_info (GstPlugin * plugin)
924 n_print ("Plugin Details:\n");
925 n_print (" Name:\t\t\t%s\n", plugin->desc.name);
926 n_print (" Description:\t\t%s\n", plugin->desc.description);
927 n_print (" Filename:\t\t%s\n",
928 plugin->filename ? plugin->filename : "(null)");
929 n_print (" Version:\t\t%s\n", plugin->desc.version);
930 n_print (" License:\t\t%s\n", plugin->desc.license);
931 n_print (" Source module:\t%s\n", plugin->desc.source);
932 n_print (" Binary package:\t%s\n", plugin->desc.package);
933 n_print (" Origin URL:\t\t%s\n", plugin->desc.origin);
938 print_plugin_features (GstPlugin * plugin)
941 gint num_features = 0;
942 gint num_elements = 0;
944 gint num_indexes = 0;
948 gst_registry_get_feature_list_by_plugin (gst_registry_get_default (),
952 GstPluginFeature *feature;
954 feature = GST_PLUGIN_FEATURE (features->data);
956 if (GST_IS_ELEMENT_FACTORY (feature)) {
957 GstElementFactory *factory;
959 factory = GST_ELEMENT_FACTORY (feature);
960 n_print (" %s: %s\n", GST_PLUGIN_FEATURE_NAME (factory),
961 factory->details.longname);
964 #ifndef GST_DISABLE_INDEX
965 else if (GST_IS_INDEX_FACTORY (feature)) {
966 GstIndexFactory *factory;
968 factory = GST_INDEX_FACTORY (feature);
969 n_print (" %s: %s\n", GST_OBJECT_NAME (factory), factory->longdesc);
973 else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
974 GstTypeFindFactory *factory;
976 factory = GST_TYPE_FIND_FACTORY (feature);
977 if (factory->extensions) {
980 g_print ("%s type: ", plugin->desc.name);
981 while (factory->extensions[i]) {
982 g_print ("%s%s", i > 0 ? ", " : "", factory->extensions[i]);
987 g_print ("%s type: N/A\n", plugin->desc.name);
991 n_print (" %s (%s)\n", gst_object_get_name (GST_OBJECT (feature)),
992 g_type_name (G_OBJECT_TYPE (feature)));
996 features = g_list_next (features);
999 n_print (" %d features:\n", num_features);
1000 if (num_elements > 0)
1001 n_print (" +-- %d elements\n", num_elements);
1003 n_print (" +-- %d types\n", num_types);
1004 if (num_indexes > 0)
1005 n_print (" +-- %d indexes\n", num_indexes);
1007 n_print (" +-- %d other objects\n", num_other);
1013 print_element_features (const gchar * element_name)
1015 GstPluginFeature *feature;
1017 /* FIXME implement other pretty print function for these */
1018 #ifndef GST_DISABLE_INDEX
1019 feature = gst_default_registry_find_feature (element_name,
1020 GST_TYPE_INDEX_FACTORY);
1022 n_print ("%s: an index\n", element_name);
1026 feature = gst_default_registry_find_feature (element_name,
1027 GST_TYPE_TYPE_FIND_FACTORY);
1029 n_print ("%s: a typefind function\n", element_name);
1037 print_element_info (GstElementFactory * factory, gboolean print_names)
1039 GstElement *element;
1043 GST_ELEMENT_FACTORY (gst_plugin_feature_load (GST_PLUGIN_FEATURE
1047 g_print ("element plugin couldn't be loaded\n");
1051 element = gst_element_factory_create (factory, NULL);
1053 g_print ("couldn't construct element for some reason\n");
1058 _name = g_strdup_printf ("%s: ", GST_PLUGIN_FEATURE (factory)->name);
1062 print_factory_details_info (factory);
1063 if (GST_PLUGIN_FEATURE (factory)->plugin_name) {
1066 plugin = gst_registry_find_plugin (gst_registry_get_default (),
1067 GST_PLUGIN_FEATURE (factory)->plugin_name);
1069 print_plugin_info (plugin);
1073 print_hierarchy (G_OBJECT_TYPE (element), 0, &maxlevel);
1074 print_interfaces (G_OBJECT_TYPE (element));
1076 print_pad_templates_info (element, factory);
1077 print_element_flag_info (element);
1078 print_implementation_info (element);
1079 print_clocking_info (element);
1080 print_index_info (element);
1081 print_pad_info (element);
1082 print_element_properties_info (element);
1083 print_signal_info (element);
1084 print_children_info (element);
1086 if (_name[0] != '\0')
1093 main (int argc, char *argv[])
1095 gboolean print_all = FALSE;
1096 GOptionEntry options[] = {
1097 {"print-all", 'a', 0, G_OPTION_ARG_NONE, &print_all,
1098 N_("Print all elements"), NULL},
1099 GST_TOOLS_GOPTION_VERSION,
1102 GOptionContext *ctx;
1106 bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
1107 bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
1108 textdomain (GETTEXT_PACKAGE);
1111 ctx = g_option_context_new ("[ELEMENT-NAME | PLUGIN-NAME]");
1112 g_option_context_add_main_entries (ctx, options, GETTEXT_PACKAGE);
1113 g_option_context_add_group (ctx, gst_init_get_option_group ());
1114 if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
1115 g_print ("Error initializing: %s\n", err->message);
1118 g_option_context_free (ctx);
1120 gst_tools_print_version ("gst-inspect");
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);
1141 gst_object_unref (factory);
1143 retval = print_element_features (arg);
1146 /* otherwise check if it's a plugin */
1148 plugin = gst_default_registry_find_plugin (arg);
1150 /* if there is such a plugin, print out info */
1152 print_plugin_info (plugin);
1153 print_plugin_features (plugin);
1155 GError *error = NULL;
1157 if (g_file_test (arg, G_FILE_TEST_EXISTS)) {
1158 plugin = gst_plugin_load_file (arg, &error);
1161 print_plugin_info (plugin);
1162 print_plugin_features (plugin);
1164 g_print ("Error loading plugin file: %s\n", error->message);
1165 g_error_free (error);
1169 g_print ("No such element or plugin '%s'\n", arg);