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/control/control.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);
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);
108 print_query_types (const GstQueryType * types)
110 while (types && *types) {
111 const GstQueryTypeDefinition *definition;
113 definition = gst_query_type_get_details (*types);
115 n_print ("\t\t(%d):\t%s (%s)\n", *types,
116 definition->nick, definition->description);
118 n_print ("\t\t(%d):\tUnknown query format\n", *types);
124 #ifndef GST_DISABLE_ENUMTYPES
126 print_event_masks (const GstEventMask * masks)
131 GFlagsClass *flags_class = NULL;
133 event_type = gst_event_type_get_type ();
134 klass = (GEnumClass *) g_type_class_ref (event_type);
136 while (masks && masks->type) {
138 gint flags = 0, index = 0;
140 switch (masks->type) {
142 flags = masks->flags;
143 event_flags = gst_seek_type_get_type ();
144 flags_class = (GFlagsClass *) g_type_class_ref (event_flags);
150 value = g_enum_get_value (klass, masks->type);
151 g_print ("\t\t%s ", value->value_nick);
157 value = g_flags_get_first_value (flags_class, 1 << index);
160 g_print ("| %s ", value->value_nick);
174 print_event_masks (const GstEventMask * masks)
180 get_rank_name (gint rank)
185 case GST_RANK_MARGINAL:
187 case GST_RANK_SECONDARY:
189 case GST_RANK_PRIMARY:
197 print_factory_details_info (GstElementFactory * factory)
199 n_print ("Factory Details:\n");
200 n_print (" Long name:\t%s\n", factory->details.longname);
201 n_print (" Class:\t%s\n", factory->details.klass);
202 n_print (" Description:\t%s\n", factory->details.description);
203 n_print (" Author(s):\t%s\n", factory->details.author);
204 n_print (" Rank:\t\t%s (%d)\n",
205 get_rank_name (GST_PLUGIN_FEATURE (factory)->rank),
206 GST_PLUGIN_FEATURE (factory)->rank);
211 print_hierarchy (GType type, gint level, gint * maxlevel)
216 parent = g_type_parent (type);
218 *maxlevel = *maxlevel + 1;
222 print_hierarchy (parent, level, maxlevel);
227 for (i = 1; i < *maxlevel - level; i++)
229 if (*maxlevel - level)
232 g_print ("%s\n", g_type_name (type));
239 print_element_properties_info (GstElement * element)
241 GParamSpec **property_specs;
242 gint num_properties, i;
244 const char *string_val;
246 property_specs = g_object_class_list_properties
247 (G_OBJECT_GET_CLASS (element), &num_properties);
249 n_print ("Element Properties:\n");
251 for (i = 0; i < num_properties; i++) {
252 GValue value = { 0, };
253 GParamSpec *param = property_specs[i];
257 g_value_init (&value, param->value_type);
258 if (param->flags & G_PARAM_READABLE) {
259 g_object_get_property (G_OBJECT (element), param->name, &value);
263 n_print (" %-20s: %s\n", g_param_spec_get_name (param),
264 g_param_spec_get_blurb (param));
266 switch (G_VALUE_TYPE (&value)) {
268 string_val = g_value_get_string (&value);
269 n_print ("%-23.23s String. ", "");
271 if (string_val == NULL)
272 g_print ("(Default \"\")");
274 g_print ("(Default \"%s\")", g_value_get_string (&value));
278 n_print ("%-23.23s Boolean. ", "");
280 g_print ("(Default %s)",
281 (g_value_get_boolean (&value) ? "true" : "false"));
285 GParamSpecULong *pulong = G_PARAM_SPEC_ULONG (param);
287 n_print ("%-23.23s Unsigned Long. ", "");
289 g_print ("Range: %lu - %lu (Default %lu)",
290 pulong->minimum, pulong->maximum, g_value_get_ulong (&value));
295 GParamSpecLong *plong = G_PARAM_SPEC_LONG (param);
297 n_print ("%-23.23s Long. ", "");
299 g_print ("Range: %ld - %ld (Default %ld)",
300 plong->minimum, plong->maximum, g_value_get_long (&value));
305 GParamSpecUInt *puint = G_PARAM_SPEC_UINT (param);
307 n_print ("%-23.23s Unsigned Integer. ", "");
309 g_print ("Range: %u - %u (Default %u)",
310 puint->minimum, puint->maximum, g_value_get_uint (&value));
315 GParamSpecInt *pint = G_PARAM_SPEC_INT (param);
317 n_print ("%-23.23s Integer. ", "");
319 g_print ("Range: %d - %d (Default %d)",
320 pint->minimum, pint->maximum, g_value_get_int (&value));
325 GParamSpecUInt64 *puint64 = G_PARAM_SPEC_UINT64 (param);
327 n_print ("%-23.23s Unsigned Integer64. ", "");
329 g_print ("Range: %" G_GUINT64_FORMAT " - %"
330 G_GUINT64_FORMAT " (Default %" G_GUINT64_FORMAT ")",
331 puint64->minimum, puint64->maximum, g_value_get_uint64 (&value));
336 GParamSpecInt64 *pint64 = G_PARAM_SPEC_INT64 (param);
338 n_print ("%-23.23s Integer64. ", "");
340 g_print ("Range: %" G_GINT64_FORMAT " - %" G_GINT64_FORMAT
341 " (Default %" G_GINT64_FORMAT ")", pint64->minimum,
342 pint64->maximum, g_value_get_int64 (&value));
347 GParamSpecFloat *pfloat = G_PARAM_SPEC_FLOAT (param);
349 n_print ("%-23.23s Float. Default: %-8.8s %15.7g\n", "", "",
350 g_value_get_float (&value));
351 n_print ("%-23.23s Range: %15.7g - %15.7g", "",
352 pfloat->minimum, pfloat->maximum);
357 GParamSpecDouble *pdouble = G_PARAM_SPEC_DOUBLE (param);
359 n_print ("%-23.23s Double. Default: %-8.8s %15.7g\n", "", "",
360 g_value_get_double (&value));
361 n_print ("%-23.23s Range: %15.7g - %15.7g", "",
362 pdouble->minimum, pdouble->maximum);
366 if (param->value_type == GST_TYPE_URI) {
367 n_print ("%-23.23s URI", "");
369 if (param->value_type == GST_TYPE_CAPS) {
370 const GstCaps *caps = gst_value_get_caps (&value);
373 n_print ("%-23.23s Caps (NULL)", "");
375 print_caps (caps, " ");
377 } else if (G_IS_PARAM_SPEC_ENUM (param)) {
382 values = G_ENUM_CLASS (g_type_class_ref (param->value_type))->values;
383 enum_value = g_value_get_enum (&value);
385 while (values[j].value_name) {
386 if (values[j].value == enum_value)
391 n_print ("%-23.23s Enum \"%s\" (default %d, \"%s\")", "",
392 g_type_name (G_VALUE_TYPE (&value)),
393 enum_value, values[j].value_nick);
396 while (values[j].value_name) {
397 g_print ("\n%s%-23.23s (%d): \t%s", "",
398 _name, values[j].value, values[j].value_nick);
401 /* g_type_class_unref (ec); */
402 } else if (G_IS_PARAM_SPEC_FLAGS (param)) {
406 GString *flags = NULL;
408 values = G_FLAGS_CLASS (g_type_class_ref (param->value_type))->values;
409 flags_value = g_value_get_flags (&value);
411 while (values[j].value_name) {
412 if (values[j].value & flags_value) {
414 g_string_append_printf (flags, " | %s", values[j].value_nick);
416 flags = g_string_new (values[j].value_nick);
422 n_print ("%-23.23s Flags \"%s\" (default %d, \"%s\")", "",
423 g_type_name (G_VALUE_TYPE (&value)),
424 flags_value, (flags ? flags->str : "(none)"));
427 while (values[j].value_name) {
428 g_print ("\n%s%-23.23s (%d): \t%s", "",
429 _name, values[j].value, values[j].value_nick);
434 g_string_free (flags, TRUE);
435 } else if (G_IS_PARAM_SPEC_OBJECT (param)) {
436 n_print ("%-23.23s Object of type \"%s\"", "",
437 g_type_name (param->value_type));
439 n_print ("%-23.23s Unknown type %ld \"%s\"", "", param->value_type,
440 g_type_name (param->value_type));
445 g_print (" Write only\n");
449 if (num_properties == 0)
454 print_pad_templates_info (GstElement * element, GstElementFactory * factory)
456 GstElementClass *gstelement_class;
458 GstPadTemplate *padtemplate;
460 n_print ("Pad Templates:\n");
461 if (!factory->numpadtemplates) {
466 gstelement_class = GST_ELEMENT_CLASS (G_OBJECT_GET_CLASS (element));
468 pads = factory->padtemplates;
470 padtemplate = (GstPadTemplate *) (pads->data);
471 pads = g_list_next (pads);
473 if (padtemplate->direction == GST_PAD_SRC)
474 n_print (" SRC template: '%s'\n", padtemplate->name_template);
475 else if (padtemplate->direction == GST_PAD_SINK)
476 n_print (" SINK template: '%s'\n", padtemplate->name_template);
478 n_print (" UNKNOWN!!! template: '%s'\n", padtemplate->name_template);
480 if (padtemplate->presence == GST_PAD_ALWAYS)
481 n_print (" Availability: Always\n");
482 else if (padtemplate->presence == GST_PAD_SOMETIMES)
483 n_print (" Availability: Sometimes\n");
484 else if (padtemplate->presence == GST_PAD_REQUEST) {
485 n_print (" Availability: On request\n");
486 n_print (" Has request_new_pad() function: %s\n",
487 GST_DEBUG_FUNCPTR_NAME (gstelement_class->request_new_pad));
489 n_print (" Availability: UNKNOWN!!!\n");
491 if (padtemplate->caps) {
492 n_print (" Capabilities:\n");
493 print_caps (padtemplate->caps, " ");
501 print_element_flag_info (GstElement * element)
503 gboolean have_flags = FALSE;
506 n_print ("Element Flags:\n");
509 n_print (" no flags set\n");
511 if (GST_IS_BIN (element)) {
513 n_print ("Bin Flags:\n");
515 n_print (" no flags set\n");
520 print_implementation_info (GstElement * element)
522 GstObjectClass *gstobject_class;
523 GstElementClass *gstelement_class;
525 gstobject_class = GST_OBJECT_CLASS (G_OBJECT_GET_CLASS (element));
526 gstelement_class = GST_ELEMENT_CLASS (G_OBJECT_GET_CLASS (element));
529 n_print ("Element Implementation:\n");
531 n_print (" No loopfunc(), must be chain-based or not configured yet\n");
533 n_print (" Has change_state() function: %s\n",
534 GST_DEBUG_FUNCPTR_NAME (gstelement_class->change_state));
535 #ifndef GST_DISABLE_LOADSAVE
536 n_print (" Has custom save_thyself() function: %s\n",
537 GST_DEBUG_FUNCPTR_NAME (gstobject_class->save_thyself));
538 n_print (" Has custom restore_thyself() function: %s\n",
539 GST_DEBUG_FUNCPTR_NAME (gstobject_class->restore_thyself));
544 print_clocking_info (GstElement * element)
546 if (!gst_element_requires_clock (element) &&
547 !(gst_element_provides_clock (element) &&
548 gst_element_get_clock (element))) {
550 n_print ("Element has no clocking capabilities.");
555 n_print ("Clocking Interaction:\n");
556 if (gst_element_requires_clock (element)) {
557 n_print (" element requires a clock\n");
560 if (gst_element_provides_clock (element)) {
563 clock = gst_element_get_clock (element);
565 n_print (" element provides a clock: %s\n", GST_OBJECT_NAME (clock));
567 n_print (" element is supposed to provide a clock but returned NULL\n");
571 #ifndef GST_DISABLE_INDEX
573 print_index_info (GstElement * element)
575 if (gst_element_is_indexable (element)) {
577 n_print ("Indexing capabilities:\n");
578 n_print (" element can do indexing\n");
581 n_print ("Element has no indexing capabilities.\n");
586 print_index_info (GstElement * element)
592 print_pad_info (GstElement * element)
601 if (!element->numpads) {
606 pads = element->pads;
608 pad = GST_PAD (pads->data);
609 pads = g_list_next (pads);
610 realpad = GST_PAD_REALIZE (pad);
614 if (gst_pad_get_direction (GST_PAD (realpad)) == GST_PAD_SRC)
615 g_print (" SRC: '%s'", gst_pad_get_name (pad));
616 else if (gst_pad_get_direction (GST_PAD (realpad)) == GST_PAD_SINK)
617 g_print (" SINK: '%s'", gst_pad_get_name (pad));
619 g_print (" UNKNOWN!!!: '%s'", gst_pad_get_name (pad));
621 if (GST_IS_GHOST_PAD (pad))
622 g_print (", ghost of real pad %s:%s\n", GST_DEBUG_PAD_NAME (realpad));
626 n_print (" Implementation:\n");
627 if (realpad->chainfunc)
628 n_print (" Has chainfunc(): %s\n",
629 GST_DEBUG_FUNCPTR_NAME (realpad->chainfunc));
630 if (realpad->getrangefunc)
631 n_print (" Has getrangefunc(): %s\n",
632 GST_DEBUG_FUNCPTR_NAME (realpad->getrangefunc));
633 if (realpad->formatsfunc != gst_pad_get_formats_default) {
634 n_print (" Supports seeking/conversion/query formats:\n");
635 print_formats (gst_pad_get_formats (GST_PAD (realpad)));
637 if (realpad->convertfunc != gst_pad_convert_default)
638 n_print (" Has custom convertfunc(): %s\n",
639 GST_DEBUG_FUNCPTR_NAME (realpad->convertfunc));
640 if (realpad->eventfunc != gst_pad_event_default)
641 n_print (" Has custom eventfunc(): %s\n",
642 GST_DEBUG_FUNCPTR_NAME (realpad->eventfunc));
643 if (realpad->eventmaskfunc != gst_pad_get_event_masks_default) {
644 n_print (" Provides event masks:\n");
645 print_event_masks (gst_pad_get_event_masks (GST_PAD (realpad)));
647 if (realpad->queryfunc != gst_pad_query_default)
648 n_print (" Has custom queryfunc(): %s\n",
649 GST_DEBUG_FUNCPTR_NAME (realpad->queryfunc));
650 if (realpad->querytypefunc != gst_pad_get_query_types_default) {
651 n_print (" Provides query types:\n");
652 print_query_types (gst_pad_get_query_types (GST_PAD (realpad)));
655 if (realpad->intlinkfunc != gst_pad_get_internal_links_default)
656 n_print (" Has custom intconnfunc(): %s\n",
657 GST_DEBUG_FUNCPTR_NAME (realpad->intlinkfunc));
659 if (realpad->bufferallocfunc)
660 n_print (" Has bufferallocfunc(): %s\n",
661 GST_DEBUG_FUNCPTR_NAME (realpad->bufferallocfunc));
663 if (pad->padtemplate)
664 n_print (" Pad Template: '%s'\n", pad->padtemplate->name_template);
667 n_print (" Capabilities:\n");
668 print_caps (realpad->caps, " ");
674 print_dynamic_parameters_info (GstElement * element)
676 GstDParamManager *dpman;
677 GParamSpec **specs = NULL;
680 if ((dpman = gst_dpman_get_manager (element))) {
681 specs = gst_dpman_list_dparam_specs (dpman);
684 if (specs && specs[0] != NULL) {
686 n_print ("Dynamic Parameters:\n");
688 for (x = 0; specs[x] != NULL; x++) {
689 g_print (" %-20.20s: ", g_param_spec_get_name (specs[x]));
691 switch (G_PARAM_SPEC_VALUE_TYPE (specs[x])) {
693 g_print ("64 Bit Integer (Default %" G_GINT64_FORMAT ", Range %"
694 G_GINT64_FORMAT " -> %" G_GINT64_FORMAT ")",
695 ((GParamSpecInt64 *) specs[x])->default_value,
696 ((GParamSpecInt64 *) specs[x])->minimum,
697 ((GParamSpecInt64 *) specs[x])->maximum);
700 g_print ("Integer (Default %d, Range %d -> %d)",
701 ((GParamSpecInt *) specs[x])->default_value,
702 ((GParamSpecInt *) specs[x])->minimum,
703 ((GParamSpecInt *) specs[x])->maximum);
706 g_print ("Float. Default: %-8.8s %15.7g\n", "",
707 ((GParamSpecFloat *) specs[x])->default_value);
708 g_print ("%-23.23s Range: %15.7g - %15.7g", "",
709 ((GParamSpecFloat *) specs[x])->minimum,
710 ((GParamSpecFloat *) specs[x])->maximum);
713 g_print ("Double. Default: %-8.8s %15.7g\n", "",
714 ((GParamSpecDouble *) specs[x])->default_value);
715 g_print ("%-23.23s Range: %15.7g - %15.7g", "",
716 ((GParamSpecDouble *) specs[x])->minimum,
717 ((GParamSpecDouble *) specs[x])->maximum);
720 g_print ("unknown %ld", G_PARAM_SPEC_VALUE_TYPE (specs[x]));
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)
842 plugins = gst_registry_pool_plugin_list ();
847 plugin = (GstPlugin *) (plugins->data);
848 plugins = g_list_next (plugins);
850 features = gst_plugin_get_feature_list (plugin);
852 GstPluginFeature *feature;
854 feature = GST_PLUGIN_FEATURE (features->data);
856 if (GST_IS_ELEMENT_FACTORY (feature)) {
857 GstElementFactory *factory;
859 factory = GST_ELEMENT_FACTORY (feature);
861 print_element_info (factory, TRUE);
863 g_print ("%s: %s: %s\n", plugin->desc.name,
864 GST_PLUGIN_FEATURE_NAME (factory), factory->details.longname);
866 #ifndef GST_DISABLE_INDEX
867 else if (GST_IS_INDEX_FACTORY (feature)) {
868 GstIndexFactory *factory;
870 factory = GST_INDEX_FACTORY (feature);
872 g_print ("%s: %s: %s\n", plugin->desc.name,
873 GST_PLUGIN_FEATURE_NAME (factory), factory->longdesc);
876 else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
877 GstTypeFindFactory *factory;
879 factory = GST_TYPE_FIND_FACTORY (feature);
881 g_print ("%s: %s: ", plugin->desc.name,
882 gst_plugin_feature_get_name (feature));
883 if (factory->extensions) {
886 while (factory->extensions[i]) {
888 g_print ("%s%s", i > 0 ? ", " : "", factory->extensions[i]);
895 g_print ("no extensions\n");
897 } else if (GST_IS_SCHEDULER_FACTORY (feature)) {
898 GstSchedulerFactory *factory;
900 factory = GST_SCHEDULER_FACTORY (feature);
902 g_print ("%s: %s: %s\n", plugin->desc.name,
903 GST_PLUGIN_FEATURE_NAME (factory), factory->longdesc);
906 n_print ("%s: %s (%s)\n", plugin->desc.name,
907 GST_PLUGIN_FEATURE_NAME (feature),
908 g_type_name (G_OBJECT_TYPE (feature)));
911 features = g_list_next (features);
917 print_plugin_info (GstPlugin * plugin)
919 n_print ("Plugin Details:\n");
920 n_print (" Name:\t\t%s\n", plugin->desc.name);
921 n_print (" Description:\t%s\n", plugin->desc.description);
922 n_print (" Filename:\t%s\n", plugin->filename ? plugin->filename : "(null)");
923 n_print (" Version:\t%s\n", plugin->desc.version);
924 n_print (" License:\t%s\n", plugin->desc.license);
925 n_print (" Package:\t%s\n", plugin->desc.package);
926 n_print (" Origin URL:\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_schedulers = 0;
938 gint num_indexes = 0;
941 features = gst_plugin_get_feature_list (plugin);
944 GstPluginFeature *feature;
946 feature = GST_PLUGIN_FEATURE (features->data);
948 if (GST_IS_ELEMENT_FACTORY (feature)) {
949 GstElementFactory *factory;
951 factory = GST_ELEMENT_FACTORY (feature);
952 n_print (" %s: %s\n", GST_OBJECT_NAME (factory),
953 factory->details.longname);
956 #ifndef GST_DISABLE_INDEX
957 else if (GST_IS_INDEX_FACTORY (feature)) {
958 GstIndexFactory *factory;
960 factory = GST_INDEX_FACTORY (feature);
961 n_print (" %s: %s\n", GST_OBJECT_NAME (factory), factory->longdesc);
965 else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
966 GstTypeFindFactory *factory;
968 factory = GST_TYPE_FIND_FACTORY (feature);
969 if (factory->extensions) {
972 g_print ("%s type: ", plugin->desc.name);
973 while (factory->extensions[i]) {
974 g_print ("%s%s", i > 0 ? ", " : "", factory->extensions[i]);
979 g_print ("%s type: N/A\n", plugin->desc.name);
982 } else if (GST_IS_SCHEDULER_FACTORY (feature)) {
983 GstSchedulerFactory *factory;
985 factory = GST_SCHEDULER_FACTORY (feature);
986 n_print (" %s: %s\n", GST_OBJECT_NAME (factory), factory->longdesc);
989 n_print (" %s (%s)\n", gst_object_get_name (GST_OBJECT (feature)),
990 g_type_name (G_OBJECT_TYPE (feature)));
994 features = g_list_next (features);
997 n_print (" %d features:\n", num_features);
998 if (num_elements > 0)
999 n_print (" +-- %d elements\n", num_elements);
1001 n_print (" +-- %d types\n", num_types);
1002 if (num_schedulers > 0)
1003 n_print (" +-- %d schedulers\n", num_schedulers);
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 feature = gst_registry_pool_find_feature (element_name,
1019 GST_TYPE_SCHEDULER_FACTORY);
1021 n_print ("%s: a scheduler\n", element_name);
1024 #ifndef GST_DISABLE_INDEX
1025 feature = gst_registry_pool_find_feature (element_name,
1026 GST_TYPE_INDEX_FACTORY);
1028 n_print ("%s: an index\n", element_name);
1032 feature = gst_registry_pool_find_feature (element_name,
1033 GST_TYPE_TYPE_FIND_FACTORY);
1035 n_print ("%s: a typefind function\n", element_name);
1038 #ifndef GST_DISABLE_URI
1039 feature = gst_registry_pool_find_feature (element_name, GST_TYPE_URI_HANDLER);
1041 n_print ("%s: an uri handler\n", element_name);
1050 print_element_info (GstElementFactory * factory, gboolean print_names)
1052 GstElement *element;
1055 element = gst_element_factory_create (factory, NULL);
1057 g_print ("couldn't construct element for some reason\n");
1062 _name = g_strdup_printf ("%s: ", GST_PLUGIN_FEATURE (factory)->name);
1066 print_factory_details_info (factory);
1067 if (GST_PLUGIN_FEATURE (factory)->manager) {
1068 GstPlugin *plugin = (GstPlugin *) GST_PLUGIN_FEATURE (factory)->manager;
1070 print_plugin_info (plugin);
1073 print_hierarchy (G_OBJECT_TYPE (element), 0, &maxlevel);
1075 print_pad_templates_info (element, factory);
1076 print_element_flag_info (element);
1077 print_implementation_info (element);
1078 print_clocking_info (element);
1079 print_index_info (element);
1080 print_pad_info (element);
1081 print_element_properties_info (element);
1082 print_dynamic_parameters_info (element);
1083 print_signal_info (element);
1084 print_children_info (element);
1093 main (int argc, char *argv[])
1095 gboolean print_all = FALSE;
1096 struct poptOption options[] = {
1097 {"print-all", 'a', POPT_ARG_NONE | POPT_ARGFLAG_STRIP, &print_all, 0,
1098 N_("Print all elements"), NULL},
1102 #ifdef GETTEXT_PACKAGE
1103 bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
1104 bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
1105 textdomain (GETTEXT_PACKAGE);
1108 gst_init_with_popt_table (&argc, &argv, options);
1109 gst_control_init (&argc, &argv);
1111 if (print_all && argc > 2) {
1112 g_print ("-a requires no extra arguments\n");
1116 /* if no arguments, print out list of elements */
1117 if (argc == 1 || print_all) {
1118 print_element_list (print_all);
1119 /* else we try to get a factory */
1121 GstElementFactory *factory;
1123 const char *arg = argv[argc - 1];
1126 factory = gst_element_factory_find (arg);
1127 /* if there's a factory, print out the info */
1129 retval = print_element_info (factory, print_all);
1131 retval = print_element_features (arg);
1134 /* otherwise check if it's a plugin */
1136 plugin = gst_registry_pool_find_plugin (arg);
1138 /* if there is such a plugin, print out info */
1140 print_plugin_info (plugin);
1141 print_plugin_features (plugin);
1143 g_print ("No such element or plugin '%s'\n", arg);