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>
7 * gst-inspect.c: tool to inspect the GStreamer registry
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Library General Public
11 * License as published by the Free Software Foundation; either
12 * version 2 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Library General Public License for more details.
19 * You should have received a copy of the GNU Library General Public
20 * License along with this library; if not, write to the
21 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
22 * Boston, MA 02110-1301, USA.
29 /* FIXME 2.0: suppress warnings for deprecated API such as GValueArray
30 * with newer GLib versions (>= 2.31.0) */
31 #define GLIB_DISABLE_DEPRECATION_WARNINGS
34 #include <gst/gst_private.h> /* for internal Factories */
38 #include <glib/gprintf.h>
41 # include <sys/wait.h>
49 /* "R" : support color
50 * "X" : do not clear the screen when leaving the pager
51 * "F" : skip the pager if content fit into the screen
53 * Don't forget to update the manpage gst-inspect-1.0.1
54 * after changing this default.
56 #define DEFAULT_LESS_OPTS "RXF"
58 gboolean colored_output = TRUE;
63 SORT_TYPE_NAME, /* default */
66 SortType sort_output = SORT_TYPE_NAME;
69 static const gchar DEFAULT_PAGER[] = "less";
72 GMainLoop *loop = NULL;
76 /* Escape values for colors */
77 #define BLUE "\033[34m"
78 #define BRBLUE "\033[94m"
79 #define BRCYAN "\033[96m"
80 #define BRMAGENTA "\033[95m"
81 #define BRYELLOW "\033[33m"
82 #define CYAN "\033[36m"
83 #define GREEN "\033[32m"
84 #define MAGENTA "\033[35m"
85 #define YELLOW "\033[33m"
88 #define RESET_COLOR (colored_output? "\033[0m": "")
89 #define HEADING_COLOR (colored_output? BRYELLOW : "")
90 #define PROP_NAME_COLOR (colored_output? BRBLUE : "")
91 #define PROP_VALUE_COLOR (colored_output? RESET_COLOR: "")
92 #define PROP_ATTR_NAME_COLOR (colored_output? BRYELLOW : "")
93 #define PROP_ATTR_VALUE_COLOR (colored_output? CYAN: "")
94 /* FIXME: find a good color that works on both dark & light bg. */
95 #define DESC_COLOR (colored_output? RESET_COLOR: "")
97 /* Datatype-related colors */
98 #define DATATYPE_COLOR (colored_output? GREEN : "")
99 #define CHILD_LINK_COLOR (colored_output? BRMAGENTA : "")
102 #define FIELD_NAME_COLOR (colored_output? CYAN: "")
103 #define FIELD_VALUE_COLOR (colored_output? BRBLUE : "")
104 #define CAPS_TYPE_COLOR (colored_output? YELLOW : "")
105 #define STRUCT_NAME_COLOR (colored_output? YELLOW : "")
106 #define CAPS_FEATURE_COLOR (colored_output? GREEN : "")
108 /* Plugin listing colors */
109 #define PLUGIN_NAME_COLOR (colored_output? BRBLUE : "")
110 #define ELEMENT_NAME_COLOR (colored_output? GREEN : "")
111 /* FIXME: find a good color that works on both dark & light bg. */
112 #define ELEMENT_DETAIL_COLOR (colored_output? RESET_COLOR : "")
113 #define PLUGIN_FEATURE_COLOR (colored_output? BRBLUE: "")
115 /* Feature listing colors */
116 #define FEATURE_NAME_COLOR (colored_output? GREEN : "")
117 #define FEATURE_DIR_COLOR (colored_output? BRMAGENTA : "")
118 #define FEATURE_RANK_COLOR (colored_output? CYAN : "")
119 #define FEATURE_PROTO_COLOR (colored_output? BRYELLOW : "")
121 #define GST_DOC_BASE_URL "https://gstreamer.freedesktop.org/documentation"
123 static const gchar *gstreamer_modules[] = {
124 "gstreamer", "gst-plugins-base", "gst-plugins-good", "gst-plugins-ugly",
125 "gst-plugins-bad", "gst-editing-services", "gst-libav", "gst-rtsp-server",
126 "gstreamer-vaapi", NULL
129 static char *_name = NULL;
130 static int indent = 0;
132 static int print_element_info (GstPluginFeature * feature,
133 gboolean print_names);
134 static int print_typefind_info (GstPluginFeature * feature,
135 gboolean print_names);
136 static int print_tracer_info (GstPluginFeature * feature, gboolean print_names);
138 #define push_indent() push_indent_n(1)
139 #define pop_indent() push_indent_n(-1)
140 #define pop_indent_n(n) push_indent_n(-n)
143 push_indent_n (int n)
145 g_assert (n > 0 || indent > 0);
154 n_print (const char *format, ...)
161 g_print ("%s", _name);
163 for (i = 0; i < indent; ++i)
166 va_start (args, format);
167 str = gst_info_strdup_vprintf (format, args);
178 print_field (GQuark field, const GValue * value, gpointer pfx)
180 gchar *str = gst_value_serialize (value);
182 n_print ("%s %s%15s%s: %s%s%s\n",
183 (gchar *) pfx, FIELD_NAME_COLOR, g_quark_to_string (field), RESET_COLOR,
184 FIELD_VALUE_COLOR, str, RESET_COLOR);
190 print_caps (const GstCaps * caps, const gchar * pfx)
194 g_return_if_fail (caps != NULL);
196 if (gst_caps_is_any (caps)) {
197 n_print ("%s%sANY%s\n", CAPS_TYPE_COLOR, pfx, RESET_COLOR);
200 if (gst_caps_is_empty (caps)) {
201 n_print ("%s%sEMPTY%s\n", CAPS_TYPE_COLOR, pfx, RESET_COLOR);
205 for (i = 0; i < gst_caps_get_size (caps); i++) {
206 GstStructure *structure = gst_caps_get_structure (caps, i);
207 GstCapsFeatures *features = gst_caps_get_features (caps, i);
209 if (features && (gst_caps_features_is_any (features) ||
210 !gst_caps_features_is_equal (features,
211 GST_CAPS_FEATURES_MEMORY_SYSTEM_MEMORY))) {
212 gchar *features_string = gst_caps_features_to_string (features);
214 n_print ("%s%s%s%s(%s%s%s)\n", pfx, STRUCT_NAME_COLOR,
215 gst_structure_get_name (structure), RESET_COLOR,
216 CAPS_FEATURE_COLOR, features_string, RESET_COLOR);
217 g_free (features_string);
219 n_print ("%s%s%s%s\n", pfx, STRUCT_NAME_COLOR,
220 gst_structure_get_name (structure), RESET_COLOR);
222 gst_structure_foreach (structure, print_field, (gpointer) pfx);
227 get_rank_name (char *s, gint rank)
229 static const int ranks[4] = {
230 GST_RANK_NONE, GST_RANK_MARGINAL, GST_RANK_SECONDARY, GST_RANK_PRIMARY
232 static const char *rank_names[4] = { "none", "marginal", "secondary",
239 for (i = 0; i < 4; i++) {
240 if (rank == ranks[i])
241 return rank_names[i];
242 if (abs (rank - ranks[i]) < abs (rank - ranks[best_i])) {
247 sprintf (s, "%s %c %d", rank_names[best_i],
248 (rank - ranks[best_i] > 0) ? '+' : '-', abs (ranks[best_i] - rank));
254 print_factory_details_info (GstElementFactory * factory, GstPlugin * plugin)
257 gboolean seen_doc_uri = FALSE;
261 rank = gst_plugin_feature_get_rank (GST_PLUGIN_FEATURE (factory));
262 n_print ("%sFactory Details:%s\n", HEADING_COLOR, RESET_COLOR);
265 n_print ("%s%-25s%s%s (%d)%s\n", PROP_NAME_COLOR, "Rank", PROP_VALUE_COLOR,
266 get_rank_name (s, rank), rank, RESET_COLOR);
268 keys = gst_element_factory_get_metadata_keys (factory);
270 for (k = keys; *k != NULL; ++k) {
274 val = gst_element_factory_get_metadata (factory, key);
275 key[0] = g_ascii_toupper (key[0]);
276 n_print ("%s%-25s%s%s%s\n", PROP_NAME_COLOR, key, PROP_VALUE_COLOR, val,
279 seen_doc_uri || g_str_equal (key, GST_ELEMENT_METADATA_DOC_URI);
284 if (!seen_doc_uri && plugin != NULL &&
285 !gst_element_factory_get_skip_documentation (factory)) {
286 const gchar *module = gst_plugin_get_source (plugin);
287 const gchar *origin = gst_plugin_get_origin (plugin);
289 /* gst-plugins-rs has per-plugin module names so need to check origin there */
290 if (g_strv_contains (gstreamer_modules, module)
291 || (origin != NULL && g_str_has_suffix (origin, "/gst-plugins-rs"))) {
295 gst_registry_get_feature_list_by_plugin (gst_registry_get (),
296 gst_plugin_get_name (plugin));
298 /* if the plugin only has a single feature, plugin page == feature page */
299 if (features != NULL && features->next == NULL) {
300 n_print ("%s%-25s%s%s%s/%s/#%s-page%s\n", PROP_NAME_COLOR,
301 "Documentation", RESET_COLOR, PROP_VALUE_COLOR, GST_DOC_BASE_URL,
302 gst_plugin_get_name (plugin), GST_OBJECT_NAME (factory),
305 n_print ("%s%-25s%s%s%s/%s/%s.html%s\n", PROP_NAME_COLOR,
306 "Documentation", RESET_COLOR, PROP_VALUE_COLOR, GST_DOC_BASE_URL,
307 gst_plugin_get_name (plugin), GST_OBJECT_NAME (factory),
310 gst_plugin_feature_list_free (features);
319 print_hierarchy (GType type, gint level, gint * maxlevel)
324 parent = g_type_parent (type);
326 *maxlevel = *maxlevel + 1;
330 print_hierarchy (parent, level, maxlevel);
333 g_print ("%s%s%s", DATATYPE_COLOR, _name, RESET_COLOR);
335 for (i = 1; i < *maxlevel - level; i++)
337 if (*maxlevel - level)
338 g_print (" %s+----%s", CHILD_LINK_COLOR, RESET_COLOR);
340 g_print ("%s%s%s\n", DATATYPE_COLOR, g_type_name (type), RESET_COLOR);
347 print_interfaces (GType type)
350 GType *iface, *ifaces = g_type_interfaces (type, &n_ifaces);
354 n_print (_("%sImplemented Interfaces%s:\n"), HEADING_COLOR, RESET_COLOR);
358 n_print ("%s%s%s\n", DATATYPE_COLOR, g_type_name (*iface), RESET_COLOR);
369 flags_to_string (GFlagsValue * vals, guint flags)
374 /* first look for an exact match and count the number of values */
375 for (i = 0; vals[i].value_name != NULL; ++i) {
376 if (vals[i].value == flags)
377 return g_strdup (vals[i].value_nick);
380 s = g_string_new (NULL);
382 /* we assume the values are sorted from lowest to highest value */
386 if (vals[i].value != 0 && (flags_left & vals[i].value) == vals[i].value) {
388 g_string_append_c (s, '+');
389 g_string_append (s, vals[i].value_nick);
390 flags_left -= vals[i].value;
397 g_string_assign (s, "(none)");
399 return g_string_free (s, FALSE);
402 #define KNOWN_PARAM_FLAGS \
403 (G_PARAM_CONSTRUCT | G_PARAM_CONSTRUCT_ONLY | \
404 G_PARAM_LAX_VALIDATION | G_PARAM_STATIC_STRINGS | \
405 G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_DEPRECATED | \
406 GST_PARAM_CONTROLLABLE | GST_PARAM_MUTABLE_PLAYING | \
407 GST_PARAM_MUTABLE_PAUSED | GST_PARAM_MUTABLE_READY | \
408 GST_PARAM_CONDITIONALLY_AVAILABLE | GST_PARAM_DOC_SHOW_DEFAULT)
411 sort_gparamspecs (GParamSpec ** a, GParamSpec ** b)
413 return g_strcmp0 (g_param_spec_get_name (*a), g_param_spec_get_name (*b));
416 /* obj will be NULL if we're printing properties of pad template pads */
418 print_object_properties_info (GObject * obj, GObjectClass * obj_class,
421 GParamSpec **property_specs;
422 guint num_properties, i;
426 property_specs = g_object_class_list_properties (obj_class, &num_properties);
427 g_qsort_with_data (property_specs, num_properties, sizeof (gpointer),
428 (GCompareDataFunc) sort_gparamspecs, NULL);
430 n_print ("%s%s%s:\n", HEADING_COLOR, desc, RESET_COLOR);
434 for (i = 0; i < num_properties; i++) {
435 GValue value = { 0, };
436 GParamSpec *param = property_specs[i];
437 GType owner_type = param->owner_type;
439 /* We're printing pad properties */
440 if (obj == NULL && (owner_type == G_TYPE_OBJECT
441 || owner_type == GST_TYPE_OBJECT || owner_type == GST_TYPE_PAD))
444 g_value_init (&value, param->value_type);
446 n_print ("%s%-20s%s: %s%s%s\n", PROP_NAME_COLOR,
447 g_param_spec_get_name (param), RESET_COLOR, PROP_VALUE_COLOR,
448 g_param_spec_get_blurb (param), RESET_COLOR);
453 n_print ("%sflags%s: ", PROP_ATTR_NAME_COLOR, RESET_COLOR);
454 readable = ! !(param->flags & G_PARAM_READABLE);
455 if (readable && obj != NULL) {
456 g_object_get_property (obj, param->name, &value);
458 /* if we can't read the property value, assume it's set to the default
459 * (which might not be entirely true for sub-classes, but that's an
460 * unlikely corner-case anyway) */
461 g_param_value_set_default (param, &value);
464 g_print ("%s%s%s%s", (first_flag) ? "" : ", ", PROP_ATTR_VALUE_COLOR,
465 _("readable"), RESET_COLOR);
468 if (param->flags & G_PARAM_WRITABLE) {
469 g_print ("%s%s%s%s", (first_flag) ? "" : ", ", PROP_ATTR_VALUE_COLOR,
470 _("writable"), RESET_COLOR);
473 if (param->flags & G_PARAM_DEPRECATED) {
474 g_print ("%s%s%s%s", (first_flag) ? "" : ", ", PROP_ATTR_VALUE_COLOR,
475 _("deprecated"), RESET_COLOR);
478 if (param->flags & GST_PARAM_CONTROLLABLE) {
479 g_print (", %s%s%s", PROP_ATTR_VALUE_COLOR, _("controllable"),
483 if (param->flags & GST_PARAM_CONDITIONALLY_AVAILABLE) {
484 g_print (", %s%s%s", PROP_ATTR_VALUE_COLOR, _("conditionally available"),
488 if (param->flags & GST_PARAM_MUTABLE_PLAYING) {
489 g_print (", %s%s%s", PROP_ATTR_VALUE_COLOR,
490 _("changeable in NULL, READY, PAUSED or PLAYING state"), RESET_COLOR);
491 } else if (param->flags & GST_PARAM_MUTABLE_PAUSED) {
492 g_print (", %s%s%s", PROP_ATTR_VALUE_COLOR,
493 _("changeable only in NULL, READY or PAUSED state"), RESET_COLOR);
494 } else if (param->flags & GST_PARAM_MUTABLE_READY) {
495 g_print (", %s%s%s", PROP_ATTR_VALUE_COLOR,
496 _("changeable only in NULL or READY state"), RESET_COLOR);
498 if (param->flags & ~KNOWN_PARAM_FLAGS) {
499 g_print ("%s0x%s%0x%s", (first_flag) ? "" : ", ", PROP_ATTR_VALUE_COLOR,
500 param->flags & ~KNOWN_PARAM_FLAGS, RESET_COLOR);
504 switch (G_VALUE_TYPE (&value)) {
507 const char *string_val = g_value_get_string (&value);
509 n_print ("%sString%s. ", DATATYPE_COLOR, RESET_COLOR);
511 if (string_val == NULL)
512 g_print ("%sDefault%s: %snull%s", PROP_ATTR_NAME_COLOR, RESET_COLOR,
513 PROP_ATTR_VALUE_COLOR, RESET_COLOR);
515 g_print ("%sDefault%s: %s\"%s\"%s", PROP_ATTR_NAME_COLOR, RESET_COLOR,
516 PROP_ATTR_VALUE_COLOR, string_val, RESET_COLOR);
521 gboolean bool_val = g_value_get_boolean (&value);
523 n_print ("%sBoolean%s. %sDefault%s: %s%s%s", DATATYPE_COLOR,
524 RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
525 PROP_ATTR_VALUE_COLOR, bool_val ? "true" : "false", RESET_COLOR);
530 GParamSpecULong *pulong = G_PARAM_SPEC_ULONG (param);
533 ("%sUnsigned Long%s. %sRange%s: %s%lu - %lu%s %sDefault%s: %s%lu%s ",
534 DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
535 PROP_ATTR_VALUE_COLOR, pulong->minimum, pulong->maximum,
536 RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
537 PROP_ATTR_VALUE_COLOR, g_value_get_ulong (&value), RESET_COLOR);
539 GST_ERROR ("%s: property '%s' of type ulong: consider changing to "
540 "uint/uint64", G_OBJECT_CLASS_NAME (obj_class),
541 g_param_spec_get_name (param));
546 GParamSpecLong *plong = G_PARAM_SPEC_LONG (param);
548 n_print ("%sLong%s. %sRange%s: %s%ld - %ld%s %sDefault%s: %s%ld%s ",
549 DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
550 PROP_ATTR_VALUE_COLOR, plong->minimum, plong->maximum, RESET_COLOR,
551 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
552 g_value_get_long (&value), RESET_COLOR);
554 GST_ERROR ("%s: property '%s' of type long: consider changing to "
555 "int/int64", G_OBJECT_CLASS_NAME (obj_class),
556 g_param_spec_get_name (param));
561 GParamSpecUInt *puint = G_PARAM_SPEC_UINT (param);
564 ("%sUnsigned Integer%s. %sRange%s: %s%u - %u%s %sDefault%s: %s%u%s ",
565 DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
566 PROP_ATTR_VALUE_COLOR, puint->minimum, puint->maximum, RESET_COLOR,
567 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
568 g_value_get_uint (&value), RESET_COLOR);
573 GParamSpecInt *pint = G_PARAM_SPEC_INT (param);
575 n_print ("%sInteger%s. %sRange%s: %s%d - %d%s %sDefault%s: %s%d%s ",
576 DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
577 PROP_ATTR_VALUE_COLOR, pint->minimum, pint->maximum, RESET_COLOR,
578 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
579 g_value_get_int (&value), RESET_COLOR);
584 GParamSpecUInt64 *puint64 = G_PARAM_SPEC_UINT64 (param);
586 n_print ("%sUnsigned Integer64%s. %sRange%s: %s%" G_GUINT64_FORMAT " - "
587 "%" G_GUINT64_FORMAT "%s %sDefault%s: %s%" G_GUINT64_FORMAT "%s ",
588 DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
589 PROP_ATTR_VALUE_COLOR, puint64->minimum, puint64->maximum,
590 RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
591 PROP_ATTR_VALUE_COLOR, g_value_get_uint64 (&value), RESET_COLOR);
596 GParamSpecInt64 *pint64 = G_PARAM_SPEC_INT64 (param);
598 n_print ("%sInteger64%s. %sRange%s: %s%" G_GINT64_FORMAT " - %"
599 G_GINT64_FORMAT "%s %sDefault%s: %s%" G_GINT64_FORMAT "%s ",
600 DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
601 PROP_ATTR_VALUE_COLOR, pint64->minimum, pint64->maximum,
602 RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
603 PROP_ATTR_VALUE_COLOR, g_value_get_int64 (&value), RESET_COLOR);
608 GParamSpecFloat *pfloat = G_PARAM_SPEC_FLOAT (param);
610 n_print ("%sFloat%s. %sRange%s: %s%15.7g - %15.7g%s "
611 "%sDefault%s: %s%15.7g%s ", DATATYPE_COLOR, RESET_COLOR,
612 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
613 pfloat->minimum, pfloat->maximum, RESET_COLOR, PROP_ATTR_NAME_COLOR,
614 RESET_COLOR, PROP_ATTR_VALUE_COLOR, g_value_get_float (&value),
620 GParamSpecDouble *pdouble = G_PARAM_SPEC_DOUBLE (param);
622 n_print ("%sDouble%s. %sRange%s: %s%15.7g - %15.7g%s "
623 "%sDefault%s: %s%15.7g%s ", DATATYPE_COLOR, RESET_COLOR,
624 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
625 pdouble->minimum, pdouble->maximum, RESET_COLOR,
626 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
627 g_value_get_double (&value), RESET_COLOR);
632 GST_ERROR ("%s: property '%s' of type char: consider changing to "
633 "int/string", G_OBJECT_CLASS_NAME (obj_class),
634 g_param_spec_get_name (param));
637 if (param->value_type == GST_TYPE_CAPS) {
638 const GstCaps *caps = gst_value_get_caps (&value);
641 n_print ("%sCaps%s (NULL)", DATATYPE_COLOR, RESET_COLOR);
643 print_caps (caps, " ");
645 } else if (G_IS_PARAM_SPEC_ENUM (param)) {
649 const gchar *value_nick = "";
651 values = G_ENUM_CLASS (g_type_class_ref (param->value_type))->values;
652 enum_value = g_value_get_enum (&value);
654 while (values[j].value_name) {
655 if (values[j].value == enum_value)
656 value_nick = values[j].value_nick;
660 n_print ("%sEnum \"%s\"%s %sDefault%s: %s%d, \"%s\"%s",
661 DATATYPE_COLOR, g_type_name (G_VALUE_TYPE (&value)), RESET_COLOR,
662 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
663 enum_value, value_nick, RESET_COLOR);
666 while (values[j].value_name) {
668 n_print (" %s(%d)%s: %s%-16s%s - %s%s%s",
669 PROP_ATTR_NAME_COLOR, values[j].value, RESET_COLOR,
670 PROP_ATTR_VALUE_COLOR, values[j].value_nick, RESET_COLOR,
671 DESC_COLOR, values[j].value_name, RESET_COLOR);
674 /* g_type_class_unref (ec); */
675 } else if (G_IS_PARAM_SPEC_FLAGS (param)) {
676 GParamSpecFlags *pflags = G_PARAM_SPEC_FLAGS (param);
680 vals = pflags->flags_class->values;
682 cur = flags_to_string (vals, g_value_get_flags (&value));
684 n_print ("%sFlags \"%s\"%s %sDefault%s: %s0x%08x, \"%s\"%s",
685 DATATYPE_COLOR, g_type_name (G_VALUE_TYPE (&value)), RESET_COLOR,
686 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
687 g_value_get_flags (&value), cur, RESET_COLOR);
689 while (vals[0].value_name) {
691 n_print (" %s(0x%08x)%s: %s%-16s%s - %s%s%s",
692 PROP_ATTR_NAME_COLOR, vals[0].value, RESET_COLOR,
693 PROP_ATTR_VALUE_COLOR, vals[0].value_nick, RESET_COLOR,
694 DESC_COLOR, vals[0].value_name, RESET_COLOR);
699 } else if (G_IS_PARAM_SPEC_OBJECT (param)) {
700 n_print ("%sObject of type%s %s\"%s\"%s", PROP_VALUE_COLOR,
701 RESET_COLOR, DATATYPE_COLOR,
702 g_type_name (param->value_type), RESET_COLOR);
703 } else if (G_IS_PARAM_SPEC_BOXED (param)) {
704 n_print ("%sBoxed pointer of type%s %s\"%s\"%s", PROP_VALUE_COLOR,
705 RESET_COLOR, DATATYPE_COLOR,
706 g_type_name (param->value_type), RESET_COLOR);
707 if (param->value_type == GST_TYPE_STRUCTURE) {
708 const GstStructure *s = gst_value_get_structure (&value);
711 gst_structure_foreach (s, print_field,
715 } else if (G_IS_PARAM_SPEC_POINTER (param)) {
716 if (param->value_type != G_TYPE_POINTER) {
717 n_print ("%sPointer of type%s %s\"%s\"%s.", PROP_VALUE_COLOR,
718 RESET_COLOR, DATATYPE_COLOR, g_type_name (param->value_type),
721 n_print ("%sPointer.%s", PROP_VALUE_COLOR, RESET_COLOR);
723 } else if (param->value_type == G_TYPE_VALUE_ARRAY) {
724 GParamSpecValueArray *pvarray = G_PARAM_SPEC_VALUE_ARRAY (param);
726 if (pvarray->element_spec) {
727 n_print ("%sArray of GValues of type%s %s\"%s\"%s",
728 PROP_VALUE_COLOR, RESET_COLOR, DATATYPE_COLOR,
729 g_type_name (pvarray->element_spec->value_type), RESET_COLOR);
731 n_print ("%sArray of GValues%s", PROP_VALUE_COLOR, RESET_COLOR);
733 } else if (GST_IS_PARAM_SPEC_FRACTION (param)) {
734 GstParamSpecFraction *pfraction = GST_PARAM_SPEC_FRACTION (param);
736 n_print ("%sFraction%s. %sRange%s: %s%d/%d - %d/%d%s "
737 "%sDefault%s: %s%d/%d%s ", DATATYPE_COLOR, RESET_COLOR,
738 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
739 pfraction->min_num, pfraction->min_den, pfraction->max_num,
740 pfraction->max_den, RESET_COLOR, PROP_ATTR_NAME_COLOR,
741 RESET_COLOR, PROP_ATTR_VALUE_COLOR,
742 gst_value_get_fraction_numerator (&value),
743 gst_value_get_fraction_denominator (&value), RESET_COLOR);
744 } else if (param->value_type == GST_TYPE_ARRAY) {
745 GstParamSpecArray *parray = GST_PARAM_SPEC_ARRAY_LIST (param);
747 if (GST_VALUE_HOLDS_ARRAY (&value)) {
748 gchar *def = gst_value_serialize (&value);
750 n_print ("%sDefault%s: \"%s\"\n", PROP_ATTR_VALUE_COLOR,
756 if (parray->element_spec) {
757 n_print ("%sGstValueArray of GValues of type%s %s\"%s\"%s",
758 PROP_VALUE_COLOR, RESET_COLOR, DATATYPE_COLOR,
759 g_type_name (parray->element_spec->value_type), RESET_COLOR);
761 n_print ("%sGstValueArray of GValues%s", PROP_VALUE_COLOR,
765 n_print ("%sUnknown type %ld%s %s\"%s\"%s", PROP_VALUE_COLOR,
766 (glong) param->value_type, RESET_COLOR, DATATYPE_COLOR,
767 g_type_name (param->value_type), RESET_COLOR);
772 g_print (" %sWrite only%s\n", PROP_VALUE_COLOR, RESET_COLOR);
778 g_value_reset (&value);
780 if (num_properties == 0)
781 n_print ("%snone%s\n", PROP_VALUE_COLOR, RESET_COLOR);
785 g_free (property_specs);
789 print_element_properties_info (GstElement * element)
792 print_object_properties_info (G_OBJECT (element),
793 G_OBJECT_GET_CLASS (element), "Element Properties");
797 gst_static_pad_compare_func (gconstpointer p1, gconstpointer p2)
799 GstStaticPadTemplate *pt1, *pt2;
801 pt1 = (GstStaticPadTemplate *) p1;
802 pt2 = (GstStaticPadTemplate *) p2;
804 return strcmp (pt1->name_template, pt2->name_template);
809 print_pad_templates_info (GstElement * element, GstElementFactory * factory)
812 GstStaticPadTemplate *padtemplate;
813 GstPadTemplate *tmpl;
815 n_print ("%sPad Templates%s:\n", HEADING_COLOR, RESET_COLOR);
819 if (gst_element_factory_get_num_pad_templates (factory) == 0) {
820 n_print ("%snone%s\n", PROP_VALUE_COLOR, RESET_COLOR);
824 pads = g_list_copy ((GList *)
825 gst_element_factory_get_static_pad_templates (factory));
826 pads = g_list_sort (pads, gst_static_pad_compare_func);
828 padtemplate = (GstStaticPadTemplate *) (pads->data);
829 pads = g_list_next (pads);
831 if (padtemplate->direction == GST_PAD_SRC)
832 n_print ("%sSRC template%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
833 PROP_VALUE_COLOR, padtemplate->name_template, RESET_COLOR);
834 else if (padtemplate->direction == GST_PAD_SINK)
835 n_print ("%sSINK template%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
836 PROP_VALUE_COLOR, padtemplate->name_template, RESET_COLOR);
838 n_print ("%sUNKNOWN template%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
839 PROP_VALUE_COLOR, padtemplate->name_template, RESET_COLOR);
843 if (padtemplate->presence == GST_PAD_ALWAYS)
844 n_print ("%sAvailability%s: %sAlways%s\n", PROP_NAME_COLOR, RESET_COLOR,
845 PROP_VALUE_COLOR, RESET_COLOR);
846 else if (padtemplate->presence == GST_PAD_SOMETIMES)
847 n_print ("%sAvailability%s: %sSometimes%s\n", PROP_NAME_COLOR,
848 RESET_COLOR, PROP_VALUE_COLOR, RESET_COLOR);
849 else if (padtemplate->presence == GST_PAD_REQUEST) {
850 n_print ("%sAvailability%s: %sOn request%s\n", PROP_NAME_COLOR,
851 RESET_COLOR, PROP_VALUE_COLOR, RESET_COLOR);
853 n_print ("%sAvailability%s: %sUNKNOWN%s\n", PROP_NAME_COLOR, RESET_COLOR,
854 PROP_VALUE_COLOR, RESET_COLOR);
856 if (padtemplate->static_caps.string) {
857 GstCaps *caps = gst_static_caps_get (&padtemplate->static_caps);
859 n_print ("%sCapabilities%s:\n", PROP_NAME_COLOR, RESET_COLOR);
862 print_caps (caps, ""); // FIXME
865 gst_caps_unref (caps);
868 tmpl = gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS (element),
869 padtemplate->name_template);
871 GType pad_type = GST_PAD_TEMPLATE_GTYPE (tmpl);
873 if (pad_type != G_TYPE_NONE && pad_type != GST_TYPE_PAD) {
876 pad_klass = g_type_class_ref (pad_type);
877 n_print ("%sType%s: %s%s%s\n", PROP_NAME_COLOR, RESET_COLOR,
878 DATATYPE_COLOR, g_type_name (pad_type), RESET_COLOR);
879 print_object_properties_info (NULL, pad_klass, "Pad Properties");
880 g_type_class_unref (pad_klass);
895 print_clocking_info (GstElement * element)
897 gboolean requires_clock, provides_clock;
900 GST_OBJECT_FLAG_IS_SET (element, GST_ELEMENT_FLAG_REQUIRE_CLOCK);
902 GST_OBJECT_FLAG_IS_SET (element, GST_ELEMENT_FLAG_PROVIDE_CLOCK);
904 if (!requires_clock && !provides_clock) {
906 n_print ("%sElement has no clocking capabilities.%s\n", DESC_COLOR,
912 n_print ("%sClocking Interaction%s:\n", PROP_NAME_COLOR, RESET_COLOR);
916 if (requires_clock) {
917 n_print ("%selement requires a clock%s\n", PROP_VALUE_COLOR, RESET_COLOR);
920 if (provides_clock) {
923 clock = gst_element_get_clock (element);
925 n_print ("%selement provides a clock%s: %s%s%s\n", PROP_VALUE_COLOR,
926 RESET_COLOR, DATATYPE_COLOR, GST_OBJECT_NAME (clock), RESET_COLOR);
927 gst_object_unref (clock);
929 n_print ("%selement is supposed to provide a clock but returned NULL%s\n",
930 PROP_VALUE_COLOR, RESET_COLOR);
937 print_uri_handler_info (GstElement * element)
939 if (GST_IS_URI_HANDLER (element)) {
940 const gchar *const *uri_protocols;
941 const gchar *uri_type;
943 if (gst_uri_handler_get_uri_type (GST_URI_HANDLER (element)) == GST_URI_SRC)
945 else if (gst_uri_handler_get_uri_type (GST_URI_HANDLER (element)) ==
949 uri_type = "unknown";
951 uri_protocols = gst_uri_handler_get_protocols (GST_URI_HANDLER (element));
954 n_print ("%sURI handling capabilities:%s\n", HEADING_COLOR, RESET_COLOR);
958 n_print ("%sElement can act as %s.%s\n", DESC_COLOR, uri_type, RESET_COLOR);
960 if (uri_protocols && *uri_protocols) {
961 n_print ("%sSupported URI protocols%s:\n", DESC_COLOR, RESET_COLOR);
963 for (; *uri_protocols != NULL; uri_protocols++)
964 n_print ("%s%s%s\n", PROP_ATTR_VALUE_COLOR, *uri_protocols,
968 n_print ("%sNo supported URI protocols%s\n", PROP_VALUE_COLOR,
974 n_print ("%sElement has no URI handling capabilities.%s\n", DESC_COLOR,
980 print_pad_info (GstElement * element)
986 n_print ("%sPads:%s\n", HEADING_COLOR, RESET_COLOR);
990 if (!element->numpads) {
991 n_print ("%snone%s\n", PROP_VALUE_COLOR, RESET_COLOR);
995 pads = element->pads;
1000 pad = GST_PAD (pads->data);
1001 pads = g_list_next (pads);
1003 name = gst_pad_get_name (pad);
1004 if (gst_pad_get_direction (pad) == GST_PAD_SRC)
1005 n_print ("%sSRC%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
1006 PROP_VALUE_COLOR, name, RESET_COLOR);
1007 else if (gst_pad_get_direction (pad) == GST_PAD_SINK)
1008 n_print ("%sSINK%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
1009 PROP_VALUE_COLOR, name, RESET_COLOR);
1011 n_print ("%sUNKNOWN%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
1012 PROP_VALUE_COLOR, name, RESET_COLOR);
1016 if (pad->padtemplate) {
1018 n_print ("%sPad Template%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
1019 PROP_VALUE_COLOR, pad->padtemplate->name_template, RESET_COLOR);
1023 caps = gst_pad_get_current_caps (pad);
1025 n_print ("%sCapabilities:%s\n", PROP_NAME_COLOR, RESET_COLOR);
1027 print_caps (caps, ""); // FIXME
1029 gst_caps_unref (caps);
1038 has_sometimes_template (GstElement * element)
1040 GstElementClass *klass = GST_ELEMENT_GET_CLASS (element);
1043 for (l = klass->padtemplates; l != NULL; l = l->next) {
1044 if (GST_PAD_TEMPLATE (l->data)->presence == GST_PAD_SOMETIMES)
1052 gtype_needs_ptr_marker (GType type)
1054 if (type == G_TYPE_POINTER)
1057 if (G_TYPE_FUNDAMENTAL (type) == G_TYPE_POINTER || G_TYPE_IS_BOXED (type)
1058 || G_TYPE_IS_OBJECT (type))
1065 print_signal_info (GstElement * element)
1067 /* Signals/Actions Block */
1071 GSignalQuery *query = NULL;
1073 GSList *found_signals, *l;
1075 for (k = 0; k < 2; k++) {
1076 found_signals = NULL;
1078 /* For elements that have sometimes pads, also list a few useful GstElement
1079 * signals. Put these first, so element-specific ones come later. */
1080 if (k == 0 && has_sometimes_template (element)) {
1081 query = g_new0 (GSignalQuery, 1);
1082 g_signal_query (g_signal_lookup ("pad-added", GST_TYPE_ELEMENT), query);
1083 found_signals = g_slist_append (found_signals, query);
1084 query = g_new0 (GSignalQuery, 1);
1085 g_signal_query (g_signal_lookup ("pad-removed", GST_TYPE_ELEMENT), query);
1086 found_signals = g_slist_append (found_signals, query);
1087 query = g_new0 (GSignalQuery, 1);
1088 g_signal_query (g_signal_lookup ("no-more-pads", GST_TYPE_ELEMENT),
1090 found_signals = g_slist_append (found_signals, query);
1093 for (type = G_OBJECT_TYPE (element); type; type = g_type_parent (type)) {
1094 if (type == GST_TYPE_ELEMENT || type == GST_TYPE_OBJECT)
1097 if (type == GST_TYPE_BIN && G_OBJECT_TYPE (element) != GST_TYPE_BIN)
1100 signals = g_signal_list_ids (type, &nsignals);
1101 for (i = 0; i < nsignals; i++) {
1102 query = g_new0 (GSignalQuery, 1);
1103 g_signal_query (signals[i], query);
1105 if ((k == 0 && !(query->signal_flags & G_SIGNAL_ACTION)) ||
1106 (k == 1 && (query->signal_flags & G_SIGNAL_ACTION)))
1107 found_signals = g_slist_append (found_signals, query);
1115 if (found_signals) {
1118 n_print ("%sElement Signals%s:\n", HEADING_COLOR, RESET_COLOR);
1120 n_print ("%sElement Actions%s:\n", HEADING_COLOR, RESET_COLOR);
1125 for (l = found_signals; l; l = l->next) {
1130 query = (GSignalQuery *) l->data;
1131 indent_len = strlen (query->signal_name) +
1132 strlen (g_type_name (query->return_type)) + 24;
1134 if (gtype_needs_ptr_marker (query->return_type)) {
1141 indent = g_new0 (gchar, indent_len + 1);
1142 memset (indent, ' ', indent_len);
1144 n_print (" %s\"%s\"%s : %s%s%s%suser_function%s (%s%s%s* object%s",
1145 PROP_NAME_COLOR, query->signal_name, RESET_COLOR,
1146 DATATYPE_COLOR, g_type_name (query->return_type), PROP_VALUE_COLOR,
1147 pmark, RESET_COLOR, DATATYPE_COLOR, g_type_name (type),
1148 PROP_VALUE_COLOR, RESET_COLOR);
1150 for (j = 0; j < query->n_params; j++) {
1151 const gchar *type_name, *asterisk;
1153 type_name = g_type_name (query->param_types[j]);
1154 asterisk = gtype_needs_ptr_marker (query->param_types[j]) ? "*" : "";
1157 n_print ("%s%s%s%s%s arg%d%s", indent, DATATYPE_COLOR, type_name,
1158 PROP_VALUE_COLOR, asterisk, j, RESET_COLOR);
1163 n_print ("%s%sgpointer %suser_data%s);\n", indent, DATATYPE_COLOR,
1164 PROP_VALUE_COLOR, RESET_COLOR);
1171 if (found_signals) {
1172 g_slist_foreach (found_signals, (GFunc) g_free, NULL);
1173 g_slist_free (found_signals);
1179 print_children_info (GstElement * element)
1183 if (!GST_IS_BIN (element))
1186 children = (GList *) GST_BIN (element)->children;
1189 n_print ("%sChildren%s:\n", HEADING_COLOR, RESET_COLOR);
1193 n_print (" %s%s%s\n", DATATYPE_COLOR,
1194 GST_ELEMENT_NAME (GST_ELEMENT (children->data)), RESET_COLOR);
1195 children = g_list_next (children);
1200 print_preset_list (GstElement * element)
1202 gchar **presets, **preset;
1204 if (!GST_IS_PRESET (element))
1207 presets = gst_preset_get_preset_names (GST_PRESET (element));
1208 if (presets && *presets) {
1210 n_print ("%sPresets%s:\n", HEADING_COLOR, RESET_COLOR);
1211 for (preset = presets; *preset; preset++) {
1212 gchar *comment = NULL;
1213 n_print (" \"%s\"", *preset);
1215 if (gst_preset_get_meta (GST_PRESET (element), *preset, "comment",
1216 &comment) && comment)
1217 g_print (": %s", comment);
1221 g_strfreev (presets);
1226 gst_plugin_name_compare_func (gconstpointer p1, gconstpointer p2)
1228 return strcmp (gst_plugin_get_name ((GstPlugin *) p1),
1229 gst_plugin_get_name ((GstPlugin *) p2));
1233 gst_plugin_feature_name_compare_func (gconstpointer p1, gconstpointer p2)
1235 return strcmp (GST_OBJECT_NAME (p1), GST_OBJECT_NAME (p2));
1239 print_blacklist (void)
1241 GList *plugins, *cur;
1244 g_print ("%s%s%s\n", HEADING_COLOR, _("Blacklisted files:"), RESET_COLOR);
1246 plugins = gst_registry_get_plugin_list (gst_registry_get ());
1247 if (sort_output == SORT_TYPE_NAME)
1248 plugins = g_list_sort (plugins, gst_plugin_name_compare_func);
1250 for (cur = plugins; cur != NULL; cur = g_list_next (cur)) {
1251 GstPlugin *plugin = (GstPlugin *) (cur->data);
1252 if (GST_OBJECT_FLAG_IS_SET (plugin, GST_PLUGIN_FLAG_BLACKLISTED)) {
1253 g_print (" %s\n", gst_plugin_get_name (plugin));
1259 g_print (_("%sTotal count%s: %s"), PROP_NAME_COLOR, RESET_COLOR,
1261 g_print (ngettext ("%d blacklisted file", "%d blacklisted files", count),
1263 g_print ("%s\n", RESET_COLOR);
1264 gst_plugin_list_free (plugins);
1268 print_typefind_extensions (const gchar * const *extensions, const gchar * color)
1272 while (extensions[i]) {
1273 g_print ("%s%s%s%s", i > 0 ? ", " : "", color, extensions[i], RESET_COLOR);
1279 print_element_list (gboolean print_all, gchar * ftypes)
1281 int plugincount = 0, featurecount = 0, blacklistcount = 0;
1282 GList *plugins, *orig_plugins;
1283 gchar **types = NULL;
1288 types = g_strsplit (ftypes, "/", -1);
1289 for (i = 0; types[i]; i++)
1290 *types[i] = g_ascii_toupper (*types[i]);
1294 orig_plugins = plugins = gst_registry_get_plugin_list (gst_registry_get ());
1295 if (sort_output == SORT_TYPE_NAME)
1296 plugins = g_list_sort (plugins, gst_plugin_name_compare_func);
1298 GList *features, *orig_features;
1301 plugin = (GstPlugin *) (plugins->data);
1302 plugins = g_list_next (plugins);
1305 if (GST_OBJECT_FLAG_IS_SET (plugin, GST_PLUGIN_FLAG_BLACKLISTED)) {
1310 orig_features = features =
1311 gst_registry_get_feature_list_by_plugin (gst_registry_get (),
1312 gst_plugin_get_name (plugin));
1313 if (sort_output == SORT_TYPE_NAME)
1314 features = g_list_sort (features, gst_plugin_feature_name_compare_func);
1316 GstPluginFeature *feature;
1318 if (G_UNLIKELY (features->data == NULL))
1320 feature = GST_PLUGIN_FEATURE (features->data);
1323 if (GST_IS_ELEMENT_FACTORY (feature)) {
1325 GstElementFactory *factory;
1327 factory = GST_ELEMENT_FACTORY (feature);
1330 gboolean all_found = TRUE;
1333 gst_element_factory_get_metadata (factory,
1334 GST_ELEMENT_METADATA_KLASS);
1335 for (i = 0; types[i]; i++) {
1336 if (!strstr (klass, types[i])) {
1346 print_element_info (feature, TRUE);
1348 g_print ("%s%s%s: %s%s%s: %s%s%s\n", PLUGIN_NAME_COLOR,
1349 gst_plugin_get_name (plugin), RESET_COLOR, ELEMENT_NAME_COLOR,
1350 GST_OBJECT_NAME (factory), RESET_COLOR, ELEMENT_DETAIL_COLOR,
1351 gst_element_factory_get_metadata (factory,
1352 GST_ELEMENT_METADATA_LONGNAME), RESET_COLOR);
1353 } else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
1354 GstTypeFindFactory *factory;
1355 const gchar *const *extensions;
1359 factory = GST_TYPE_FIND_FACTORY (feature);
1361 g_print ("%s%s%s: %s%s%s: ", PLUGIN_NAME_COLOR,
1362 gst_plugin_get_name (plugin), RESET_COLOR, ELEMENT_NAME_COLOR,
1363 gst_plugin_feature_get_name (feature), RESET_COLOR);
1365 extensions = gst_type_find_factory_get_extensions (factory);
1366 if (extensions != NULL) {
1368 print_typefind_extensions (extensions, ELEMENT_DETAIL_COLOR);
1373 g_print ("%sno extensions%s\n", ELEMENT_DETAIL_COLOR, RESET_COLOR);
1379 n_print ("%s%s%s: %s%s%s (%s%s%s)\n", PLUGIN_NAME_COLOR,
1380 gst_plugin_get_name (plugin), RESET_COLOR, ELEMENT_NAME_COLOR,
1381 GST_OBJECT_NAME (feature), RESET_COLOR, ELEMENT_DETAIL_COLOR,
1382 g_type_name (G_OBJECT_TYPE (feature)), RESET_COLOR);
1386 features = g_list_next (features);
1389 gst_plugin_feature_list_free (orig_features);
1392 gst_plugin_list_free (orig_plugins);
1396 g_print (_("%sTotal count%s: %s"), PROP_NAME_COLOR, RESET_COLOR,
1398 g_print (ngettext ("%d plugin", "%d plugins", plugincount), plugincount);
1399 if (blacklistcount) {
1401 g_print (ngettext ("%d blacklist entry", "%d blacklist entries",
1402 blacklistcount), blacklistcount);
1403 g_print (" not shown)");
1405 g_print ("%s, %s", RESET_COLOR, PROP_VALUE_COLOR);
1406 g_print (ngettext ("%d feature", "%d features", featurecount), featurecount);
1407 g_print ("%s\n", RESET_COLOR);
1411 print_all_uri_handlers (void)
1413 GList *plugins, *p, *features, *f;
1415 plugins = gst_registry_get_plugin_list (gst_registry_get ());
1416 if (sort_output == SORT_TYPE_NAME)
1417 plugins = g_list_sort (plugins, gst_plugin_name_compare_func);
1418 for (p = plugins; p; p = p->next) {
1419 GstPlugin *plugin = (GstPlugin *) (p->data);
1422 gst_registry_get_feature_list_by_plugin (gst_registry_get (),
1423 gst_plugin_get_name (plugin));
1424 if (sort_output == SORT_TYPE_NAME)
1425 features = g_list_sort (features, gst_plugin_feature_name_compare_func);
1426 for (f = features; f; f = f->next) {
1427 GstPluginFeature *feature = GST_PLUGIN_FEATURE (f->data);
1429 if (GST_IS_ELEMENT_FACTORY (feature)) {
1430 GstElementFactory *factory;
1431 GstElement *element;
1433 factory = GST_ELEMENT_FACTORY (gst_plugin_feature_load (feature));
1435 g_print ("element plugin %s couldn't be loaded\n",
1436 gst_plugin_get_name (plugin));
1440 element = gst_element_factory_create (factory, NULL);
1442 g_print ("couldn't construct element for %s for some reason\n",
1443 GST_OBJECT_NAME (factory));
1444 gst_object_unref (factory);
1448 if (GST_IS_URI_HANDLER (element)) {
1449 const gchar *const *uri_protocols;
1450 const gchar *const *protocol;
1453 switch (gst_uri_handler_get_uri_type (GST_URI_HANDLER (element))) {
1465 g_print ("%s%s%s (%s%s%s, %srank %u%s): ",
1467 gst_plugin_feature_get_name (GST_PLUGIN_FEATURE (factory)),
1468 RESET_COLOR, FEATURE_DIR_COLOR, dir, RESET_COLOR,
1470 gst_plugin_feature_get_rank (GST_PLUGIN_FEATURE (factory)),
1474 gst_uri_handler_get_protocols (GST_URI_HANDLER (element));
1475 for (protocol = uri_protocols; *protocol != NULL; protocol++) {
1476 if (protocol != uri_protocols)
1478 g_print ("%s%s%s", FEATURE_PROTO_COLOR, *protocol, RESET_COLOR);
1483 gst_object_unref (element);
1484 gst_object_unref (factory);
1488 gst_plugin_feature_list_free (features);
1491 gst_plugin_list_free (plugins);
1495 print_plugin_info (GstPlugin * plugin)
1497 const gchar *plugin_name = gst_plugin_get_name (plugin);
1498 const gchar *release_date = gst_plugin_get_release_date_string (plugin);
1499 const gchar *filename = gst_plugin_get_filename (plugin);
1500 const gchar *module = gst_plugin_get_source (plugin);
1501 const gchar *origin = gst_plugin_get_origin (plugin);
1503 n_print ("%sPlugin Details%s:\n", HEADING_COLOR, RESET_COLOR);
1507 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "Name", RESET_COLOR,
1508 PROP_VALUE_COLOR, plugin_name, RESET_COLOR);
1509 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "Description", RESET_COLOR,
1510 PROP_VALUE_COLOR, gst_plugin_get_description (plugin), RESET_COLOR);
1511 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "Filename", RESET_COLOR,
1512 PROP_VALUE_COLOR, (filename != NULL) ? filename : "(null)", RESET_COLOR);
1513 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "Version", RESET_COLOR,
1514 PROP_VALUE_COLOR, gst_plugin_get_version (plugin), RESET_COLOR);
1515 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "License", RESET_COLOR,
1516 PROP_VALUE_COLOR, gst_plugin_get_license (plugin), RESET_COLOR);
1517 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "Source module", RESET_COLOR,
1518 PROP_VALUE_COLOR, module, RESET_COLOR);
1520 /* gst-plugins-rs has per-plugin module names so need to check origin there */
1521 if (g_strv_contains (gstreamer_modules, module)
1522 || (origin != NULL && g_str_has_suffix (origin, "/gst-plugins-rs"))) {
1523 n_print ("%s%-25s%s%s%s/%s/%s\n", PROP_NAME_COLOR, "Documentation",
1524 RESET_COLOR, PROP_VALUE_COLOR, GST_DOC_BASE_URL, plugin_name,
1528 if (release_date != NULL) {
1529 const gchar *tz = "(UTC)";
1532 /* may be: YYYY-MM-DD or YYYY-MM-DDTHH:MMZ */
1533 /* YYYY-MM-DDTHH:MMZ => YYYY-MM-DD HH:MM (UTC) */
1534 str = g_strdup (release_date);
1535 sep = strstr (str, "T");
1538 sep = strstr (sep + 1, "Z");
1544 n_print ("%s%-25s%s%s%s%s%s\n", PROP_NAME_COLOR, "Source release date",
1545 RESET_COLOR, PROP_VALUE_COLOR, str, tz, RESET_COLOR);
1548 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "Binary package", RESET_COLOR,
1549 PROP_VALUE_COLOR, gst_plugin_get_package (plugin), RESET_COLOR);
1550 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "Origin URL", RESET_COLOR,
1551 PROP_VALUE_COLOR, gst_plugin_get_origin (plugin), RESET_COLOR);
1559 print_plugin_features (GstPlugin * plugin)
1561 GList *features, *origlist;
1562 gint num_features = 0;
1563 gint num_elements = 0;
1564 gint num_tracers = 0;
1565 gint num_typefinders = 0;
1566 gint num_devproviders = 0;
1569 origlist = features =
1570 gst_registry_get_feature_list_by_plugin (gst_registry_get (),
1571 gst_plugin_get_name (plugin));
1572 if (sort_output == SORT_TYPE_NAME)
1573 features = g_list_sort (features, gst_plugin_feature_name_compare_func);
1575 GstPluginFeature *feature;
1577 feature = GST_PLUGIN_FEATURE (features->data);
1579 if (GST_IS_ELEMENT_FACTORY (feature)) {
1580 GstElementFactory *factory;
1582 factory = GST_ELEMENT_FACTORY (feature);
1583 n_print (" %s%s%s: %s%s%s\n", ELEMENT_NAME_COLOR,
1584 GST_OBJECT_NAME (factory), RESET_COLOR, ELEMENT_DETAIL_COLOR,
1585 gst_element_factory_get_metadata (factory,
1586 GST_ELEMENT_METADATA_LONGNAME), RESET_COLOR);
1588 } else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
1589 GstTypeFindFactory *factory;
1590 const gchar *const *extensions;
1592 factory = GST_TYPE_FIND_FACTORY (feature);
1593 extensions = gst_type_find_factory_get_extensions (factory);
1595 g_print (" %s%s%s: ", ELEMENT_NAME_COLOR,
1596 gst_plugin_feature_get_name (feature), RESET_COLOR);
1597 print_typefind_extensions (extensions, ELEMENT_DETAIL_COLOR);
1600 g_print (" %s%s%s: %sno extensions%s\n", ELEMENT_NAME_COLOR,
1601 gst_plugin_feature_get_name (feature), RESET_COLOR,
1602 ELEMENT_DETAIL_COLOR, RESET_COLOR);
1605 } else if (GST_IS_DEVICE_PROVIDER_FACTORY (feature)) {
1606 GstDeviceProviderFactory *factory;
1608 factory = GST_DEVICE_PROVIDER_FACTORY (feature);
1609 n_print (" %s%s%s: %s%s%s\n", ELEMENT_NAME_COLOR,
1610 GST_OBJECT_NAME (factory), RESET_COLOR, ELEMENT_DETAIL_COLOR,
1611 gst_device_provider_factory_get_metadata (factory,
1612 GST_ELEMENT_METADATA_LONGNAME), RESET_COLOR);
1614 } else if (GST_IS_TRACER_FACTORY (feature)) {
1615 n_print (" %s%s%s (%s%s%s)\n", ELEMENT_NAME_COLOR,
1616 gst_object_get_name (GST_OBJECT (feature)), RESET_COLOR,
1617 DATATYPE_COLOR, g_type_name (G_OBJECT_TYPE (feature)), RESET_COLOR);
1619 } else if (feature) {
1620 n_print (" %s%s%s (%s%s%s)\n", ELEMENT_NAME_COLOR,
1621 gst_object_get_name (GST_OBJECT (feature)), RESET_COLOR,
1622 DATATYPE_COLOR, g_type_name (G_OBJECT_TYPE (feature)), RESET_COLOR);
1626 features = g_list_next (features);
1629 gst_plugin_feature_list_free (origlist);
1632 n_print (" %s%d features%s:\n", HEADING_COLOR, num_features, RESET_COLOR);
1633 if (num_elements > 0)
1634 n_print (" %s+--%s %s%d elements%s\n", CHILD_LINK_COLOR, RESET_COLOR,
1635 PLUGIN_FEATURE_COLOR, num_elements, RESET_COLOR);
1636 if (num_typefinders > 0)
1637 n_print (" %s+--%s %s%d typefinders%s\n", CHILD_LINK_COLOR, RESET_COLOR,
1638 PLUGIN_FEATURE_COLOR, num_typefinders, RESET_COLOR);
1639 if (num_devproviders > 0)
1640 n_print (" %s+--%s %s%d device providers%s\n", CHILD_LINK_COLOR,
1641 RESET_COLOR, PLUGIN_FEATURE_COLOR, num_devproviders, RESET_COLOR);
1642 if (num_tracers > 0)
1643 n_print (" %s+--%s %s%d tracers%s\n", CHILD_LINK_COLOR, RESET_COLOR,
1644 PLUGIN_FEATURE_COLOR, num_tracers, RESET_COLOR);
1646 n_print (" %s+--%s %s%d other objects%s\n", CHILD_LINK_COLOR, RESET_COLOR,
1647 PLUGIN_FEATURE_COLOR, num_other, RESET_COLOR);
1653 print_feature_info (const gchar * feature_name, gboolean print_all)
1655 GstPluginFeature *feature;
1656 GstRegistry *registry = gst_registry_get ();
1659 if ((feature = gst_registry_find_feature (registry, feature_name,
1660 GST_TYPE_ELEMENT_FACTORY))) {
1661 ret = print_element_info (feature, print_all);
1664 if ((feature = gst_registry_find_feature (registry, feature_name,
1665 GST_TYPE_TYPE_FIND_FACTORY))) {
1666 ret = print_typefind_info (feature, print_all);
1669 if ((feature = gst_registry_find_feature (registry, feature_name,
1670 GST_TYPE_TRACER_FACTORY))) {
1671 ret = print_tracer_info (feature, print_all);
1675 /* TODO: handle DEVICE_PROVIDER_FACTORY */
1680 gst_object_unref (feature);
1685 print_element_info (GstPluginFeature * feature, gboolean print_names)
1687 GstElementFactory *factory;
1688 GstElement *element;
1692 factory = GST_ELEMENT_FACTORY (gst_plugin_feature_load (feature));
1694 g_print ("%selement plugin couldn't be loaded%s\n", DESC_COLOR,
1699 element = gst_element_factory_create (factory, NULL);
1701 gst_object_unref (factory);
1702 g_print ("%scouldn't construct element for some reason%s\n", DESC_COLOR,
1709 g_strdup_printf ("%s%s%s: ", DATATYPE_COLOR, GST_OBJECT_NAME (factory),
1714 plugin = gst_plugin_feature_get_plugin (GST_PLUGIN_FEATURE (factory));
1716 print_factory_details_info (factory, plugin);
1719 print_plugin_info (plugin);
1720 gst_object_unref (plugin);
1723 print_hierarchy (G_OBJECT_TYPE (element), 0, &maxlevel);
1724 print_interfaces (G_OBJECT_TYPE (element));
1726 print_pad_templates_info (element, factory);
1727 print_clocking_info (element);
1728 print_uri_handler_info (element);
1729 print_pad_info (element);
1730 print_element_properties_info (element);
1731 print_signal_info (element);
1732 print_children_info (element);
1733 print_preset_list (element);
1735 gst_object_unref (element);
1736 gst_object_unref (factory);
1742 print_typefind_info (GstPluginFeature * feature, gboolean print_names)
1744 GstTypeFindFactory *factory;
1749 const gchar *const *extensions;
1751 factory = GST_TYPE_FIND_FACTORY (gst_plugin_feature_load (feature));
1753 g_print ("%stypefind plugin couldn't be loaded%s\n", DESC_COLOR,
1760 g_strdup_printf ("%s%s%s: ", DATATYPE_COLOR, GST_OBJECT_NAME (factory),
1765 n_print ("%sFactory Details%s:\n", HEADING_COLOR, RESET_COLOR);
1766 rank = gst_plugin_feature_get_rank (feature);
1767 n_print (" %s%-25s%s%s (%d)%s\n", PROP_NAME_COLOR, "Rank", PROP_VALUE_COLOR,
1768 get_rank_name (s, rank), rank, RESET_COLOR);
1769 n_print (" %s%-25s%s%s%s\n", PROP_NAME_COLOR, "Name", PROP_VALUE_COLOR,
1770 GST_OBJECT_NAME (factory), RESET_COLOR);
1771 caps = gst_type_find_factory_get_caps (factory);
1773 gchar *caps_str = gst_caps_to_string (factory->caps);
1775 n_print (" %s%-25s%s%s%s\n", PROP_NAME_COLOR, "Caps", PROP_VALUE_COLOR,
1776 caps_str, RESET_COLOR);
1779 extensions = gst_type_find_factory_get_extensions (factory);
1781 n_print (" %s%-25s%s", PROP_NAME_COLOR, "Extensions", RESET_COLOR);
1782 print_typefind_extensions (extensions, PROP_VALUE_COLOR);
1787 plugin = gst_plugin_feature_get_plugin (GST_PLUGIN_FEATURE (factory));
1789 print_plugin_info (plugin);
1790 gst_object_unref (plugin);
1793 gst_object_unref (factory);
1799 print_tracer_info (GstPluginFeature * feature, gboolean print_names)
1801 GstTracerFactory *factory;
1806 factory = GST_TRACER_FACTORY (gst_plugin_feature_load (feature));
1808 g_print ("%stracer plugin couldn't be loaded%s\n", DESC_COLOR, RESET_COLOR);
1812 tracer = (GstTracer *) g_object_new (factory->type, NULL);
1814 gst_object_unref (factory);
1815 g_print ("%scouldn't construct tracer for some reason%s\n", DESC_COLOR,
1822 g_strdup_printf ("%s%s%s: ", DATATYPE_COLOR, GST_OBJECT_NAME (factory),
1827 n_print ("%sFactory Details%s:\n", HEADING_COLOR, RESET_COLOR);
1828 n_print (" %s%-25s%s%s%s\n", PROP_NAME_COLOR, "Name", PROP_VALUE_COLOR,
1829 GST_OBJECT_NAME (factory), RESET_COLOR);
1832 plugin = gst_plugin_feature_get_plugin (GST_PLUGIN_FEATURE (factory));
1834 print_plugin_info (plugin);
1835 gst_object_unref (plugin);
1838 print_hierarchy (G_OBJECT_TYPE (tracer), 0, &maxlevel);
1839 print_interfaces (G_OBJECT_TYPE (tracer));
1841 /* TODO: list what hooks it registers
1842 * - the data is available in gsttracerutils, we need to iterate the
1843 * _priv_tracers hashtable for each probe and then check the list of hooks
1844 * for each probe whether hook->tracer == tracer :/
1847 /* TODO: list what records it emits
1848 * - in class_init tracers can create GstTracerRecord instances
1849 * - those only get logged right now and there is no association with the
1850 * tracer that created them
1851 * - we'd need to add them to GstTracerFactory
1852 * gst_tracer_class_add_record (klass, record);
1853 * - needs work in gstregistrychunks to (de)serialize specs
1854 * - gst_tracer_register() would need to iterate the list of records and
1855 * copy the record->spec into the factory
1858 gst_object_unref (tracer);
1859 gst_object_unref (factory);
1864 /* NOTE: Not coloring output from automatic install functions, as their output
1865 * is meant for machines, not humans.
1868 print_plugin_automatic_install_info_codecs (GstElementFactory * factory)
1870 GstPadDirection direction;
1871 const gchar *type_name;
1873 const GList *static_templates, *l;
1874 GstCaps *caps = NULL;
1878 gst_element_factory_get_metadata (factory, GST_ELEMENT_METADATA_KLASS);
1879 g_return_if_fail (klass != NULL);
1881 if (strstr (klass, "Demuxer") ||
1882 strstr (klass, "Decoder") ||
1883 strstr (klass, "Depay") || strstr (klass, "Parser")) {
1884 type_name = "decoder";
1885 direction = GST_PAD_SINK;
1886 } else if (strstr (klass, "Muxer") ||
1887 strstr (klass, "Encoder") || strstr (klass, "Pay")) {
1888 type_name = "encoder";
1889 direction = GST_PAD_SRC;
1894 /* decoder/demuxer sink pads should always be static and there should only
1895 * be one, the same applies to encoders/muxers and source pads */
1896 static_templates = gst_element_factory_get_static_pad_templates (factory);
1897 for (l = static_templates; l != NULL; l = l->next) {
1898 GstStaticPadTemplate *tmpl = NULL;
1900 tmpl = (GstStaticPadTemplate *) l->data;
1901 if (tmpl->direction == direction) {
1902 caps = gst_static_pad_template_get_caps (tmpl);
1908 g_printerr ("Couldn't find static pad template for %s '%s'\n",
1909 type_name, GST_OBJECT_NAME (factory));
1913 caps = gst_caps_make_writable (caps);
1914 num = gst_caps_get_size (caps);
1915 for (i = 0; i < num; ++i) {
1919 s = gst_caps_get_structure (caps, i);
1920 /* remove fields that are almost always just MIN-MAX of some sort
1921 * in order to make the caps look less messy */
1922 gst_structure_remove_field (s, "pixel-aspect-ratio");
1923 gst_structure_remove_field (s, "framerate");
1924 gst_structure_remove_field (s, "channels");
1925 gst_structure_remove_field (s, "width");
1926 gst_structure_remove_field (s, "height");
1927 gst_structure_remove_field (s, "rate");
1928 gst_structure_remove_field (s, "depth");
1929 gst_structure_remove_field (s, "clock-rate");
1930 s_str = gst_structure_to_string (s);
1931 g_print ("%s-%s\n", type_name, s_str);
1934 gst_caps_unref (caps);
1938 print_plugin_automatic_install_info_protocols (GstElementFactory * factory)
1940 const gchar *const *protocols;
1942 protocols = gst_element_factory_get_uri_protocols (factory);
1943 if (protocols != NULL && *protocols != NULL) {
1944 switch (gst_element_factory_get_uri_type (factory)) {
1946 while (*protocols != NULL) {
1947 g_print ("urisink-%s\n", *protocols);
1952 while (*protocols != NULL) {
1953 g_print ("urisource-%s\n", *protocols);
1964 print_plugin_automatic_install_info (GstPlugin * plugin)
1966 GList *features, *l;
1968 /* not interested in typefind factories, only element factories */
1969 features = gst_registry_get_feature_list (gst_registry_get (),
1970 GST_TYPE_ELEMENT_FACTORY);
1972 for (l = features; l != NULL; l = l->next) {
1973 GstPluginFeature *feature;
1974 GstPlugin *feature_plugin;
1976 feature = GST_PLUGIN_FEATURE (l->data);
1978 /* only interested in the ones that are in the plugin we just loaded */
1979 feature_plugin = gst_plugin_feature_get_plugin (feature);
1980 if (feature_plugin == plugin) {
1981 GstElementFactory *factory;
1983 g_print ("element-%s\n", gst_plugin_feature_get_name (feature));
1985 factory = GST_ELEMENT_FACTORY (feature);
1986 print_plugin_automatic_install_info_protocols (factory);
1987 print_plugin_automatic_install_info_codecs (factory);
1990 gst_object_unref (feature_plugin);
1993 g_list_foreach (features, (GFunc) gst_object_unref, NULL);
1994 g_list_free (features);
1998 print_all_plugin_automatic_install_info (void)
2000 GList *plugins, *orig_plugins;
2002 orig_plugins = plugins = gst_registry_get_plugin_list (gst_registry_get ());
2003 if (sort_output == SORT_TYPE_NAME)
2004 plugins = g_list_sort (plugins, gst_plugin_name_compare_func);
2008 plugin = (GstPlugin *) (plugins->data);
2009 plugins = g_list_next (plugins);
2011 print_plugin_automatic_install_info (plugin);
2013 gst_plugin_list_free (orig_plugins);
2018 redirect_stdout (void)
2020 GError *error = NULL;
2022 const gchar *pager, *less;
2026 pager = g_getenv ("PAGER");
2028 pager = DEFAULT_PAGER;
2030 argv = g_strsplit (pager, " ", 0);
2032 less = g_getenv ("GST_LESS");
2034 less = DEFAULT_LESS_OPTS;
2036 envp = g_get_environ ();
2037 envp = g_environ_setenv (envp, "LESS", less, TRUE);
2039 if (!g_spawn_async_with_pipes (NULL, argv, envp,
2040 G_SPAWN_DO_NOT_REAP_CHILD | G_SPAWN_SEARCH_PATH,
2041 NULL, NULL, &child_pid, &stdin_fd,
2042 /* pass null stdout/stderr to inherit our fds */
2043 NULL, NULL, &error)) {
2044 if (pager != DEFAULT_PAGER) {
2045 g_warning ("g_spawn_async_with_pipes() failed: %s\n",
2046 GST_STR_NULL (error->message));
2050 g_clear_error (&error);
2055 /* redirect our stdout to child stdin */
2056 dup2 (stdin_fd, STDOUT_FILENO);
2057 if (isatty (STDERR_FILENO))
2058 dup2 (stdin_fd, STDERR_FILENO);
2068 child_exit_cb (GPid child_pid, gint status, gpointer user_data)
2070 g_spawn_close_pid (child_pid);
2071 g_main_loop_quit (loop);
2076 _parse_sort_type (const gchar * option_name, const gchar * optarg,
2077 gpointer data, GError ** error)
2079 if (!g_strcmp0 (optarg, "name")) {
2080 sort_output = SORT_TYPE_NAME;
2082 } else if (!g_strcmp0 (optarg, "none")) {
2083 sort_output = SORT_TYPE_NONE;
2091 main (int argc, char *argv[])
2093 gboolean print_all = FALSE;
2094 gboolean do_print_blacklist = FALSE;
2095 gboolean plugin_name = FALSE;
2096 gboolean print_aii = FALSE;
2097 gboolean uri_handlers = FALSE;
2098 gboolean check_exists = FALSE;
2099 gboolean color_always = FALSE;
2100 gchar *min_version = NULL;
2101 guint minver_maj = GST_VERSION_MAJOR;
2102 guint minver_min = GST_VERSION_MINOR;
2103 guint minver_micro = 0;
2104 gchar *types = NULL;
2105 const gchar *no_colors;
2107 #ifndef GST_DISABLE_OPTION_PARSING
2108 GOptionEntry options[] = {
2109 {"print-all", 'a', 0, G_OPTION_ARG_NONE, &print_all,
2110 N_("Print all elements"), NULL},
2111 {"print-blacklist", 'b', 0, G_OPTION_ARG_NONE, &do_print_blacklist,
2112 N_("Print list of blacklisted files"), NULL},
2113 {"print-plugin-auto-install-info", '\0', 0, G_OPTION_ARG_NONE, &print_aii,
2114 N_("Print a machine-parsable list of features the specified plugin "
2115 "or all plugins provide.\n "
2116 "Useful in connection with external automatic plugin "
2117 "installation mechanisms"), NULL},
2118 {"plugin", '\0', 0, G_OPTION_ARG_NONE, &plugin_name,
2119 N_("List the plugin contents"), NULL},
2120 {"types", 't', 0, G_OPTION_ARG_STRING, &types,
2121 N_("A slashes ('/') separated list of types of elements (also known "
2122 "as klass) to list. (unordered)"), NULL},
2123 {"exists", '\0', 0, G_OPTION_ARG_NONE, &check_exists,
2124 N_("Check if the specified element or plugin exists"), NULL},
2125 {"atleast-version", '\0', 0, G_OPTION_ARG_STRING, &min_version,
2127 ("When checking if an element or plugin exists, also check that its "
2128 "version is at least the version specified"), NULL},
2129 {"uri-handlers", 'u', 0, G_OPTION_ARG_NONE, &uri_handlers,
2131 ("Print supported URI schemes, with the elements that implement them"),
2133 {"no-colors", '\0', G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE,
2136 ("Disable colors in output. You can also achieve the same by setting "
2137 "'GST_INSPECT_NO_COLORS' environment variable to any value."),
2139 {"sort", '\0', G_OPTION_ARG_NONE, G_OPTION_ARG_CALLBACK, &_parse_sort_type,
2140 "Sort plugins and features. Sorting keys: name (default), none.",
2143 {"color", 'C', 0, G_OPTION_ARG_NONE, &color_always,
2144 N_("Color output, even when not sending to a tty."),
2146 GST_TOOLS_GOPTION_VERSION,
2149 GOptionContext *ctx;
2153 setlocale (LC_ALL, "");
2156 bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
2157 bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
2158 textdomain (GETTEXT_PACKAGE);
2161 /* avoid glib warnings when inspecting deprecated properties */
2162 g_setenv ("G_ENABLE_DIAGNOSTIC", "0", FALSE);
2164 g_set_prgname ("gst-inspect-" GST_API_VERSION);
2166 #ifndef GST_DISABLE_OPTION_PARSING
2167 ctx = g_option_context_new ("[ELEMENT-NAME | PLUGIN-NAME]");
2168 g_option_context_add_main_entries (ctx, options, GETTEXT_PACKAGE);
2169 g_option_context_add_group (ctx, gst_init_get_option_group ());
2170 if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
2171 g_printerr ("Error initializing: %s\n", err->message);
2172 g_clear_error (&err);
2173 g_option_context_free (ctx);
2176 g_option_context_free (ctx);
2178 gst_init (&argc, &argv);
2181 gst_tools_print_version ();
2183 if (print_all && argc > 1) {
2184 g_printerr ("-a requires no extra arguments\n");
2188 if (uri_handlers && argc > 1) {
2189 g_printerr ("-u requires no extra arguments\n");
2193 /* --atleast-version implies --exists */
2194 if (min_version != NULL) {
2195 if (sscanf (min_version, "%u.%u.%u", &minver_maj, &minver_min,
2196 &minver_micro) < 2) {
2197 g_printerr ("Can't parse version '%s' passed to --atleast-version\n",
2199 g_free (min_version);
2202 g_free (min_version);
2203 check_exists = TRUE;
2208 g_printerr ("--exists requires an extra command line argument\n");
2212 GstPluginFeature *feature;
2214 feature = gst_registry_lookup_feature (gst_registry_get (), argv[1]);
2215 if (feature != NULL && gst_plugin_feature_check_version (feature,
2216 minver_maj, minver_min, minver_micro)) {
2223 gst_object_unref (feature);
2225 /* FIXME: support checking for plugins too */
2226 g_printerr ("Checking for plugins is not supported yet\n");
2233 no_colors = g_getenv ("GST_INSPECT_NO_COLORS");
2234 /* We only support truecolor */
2235 colored_output &= (no_colors == NULL);
2238 if (isatty (STDOUT_FILENO)) {
2239 if (redirect_stdout ())
2240 loop = g_main_loop_new (NULL, FALSE);
2242 colored_output = (color_always) ? TRUE : FALSE;
2244 #elif defined(G_OS_WIN32)
2246 /* g_log_writer_supports_color is available since 2.50.0 */
2247 gint fd = _fileno (stdout);
2248 /* On Windows 10, g_log_writer_supports_color will also setup the console
2249 * so that it correctly interprets ANSI VT sequences if it's supported */
2250 if (!_isatty (fd) || !g_log_writer_supports_color (fd))
2251 colored_output = FALSE;
2255 /* if no arguments, print out list of elements */
2257 print_all_uri_handlers ();
2258 } else if (argc == 1 || print_all) {
2259 if (do_print_blacklist)
2263 print_all_plugin_automatic_install_info ();
2265 print_element_list (print_all, types);
2268 /* else we try to get a factory */
2269 const char *arg = argv[argc - 1];
2273 retval = print_feature_info (arg, print_all);
2276 /* otherwise check if it's a plugin */
2278 GstPlugin *plugin = gst_registry_find_plugin (gst_registry_get (), arg);
2280 /* if there is such a plugin, print out info */
2283 print_plugin_automatic_install_info (plugin);
2285 print_plugin_info (plugin);
2286 print_plugin_features (plugin);
2289 GError *error = NULL;
2291 if (g_file_test (arg, G_FILE_TEST_EXISTS)) {
2292 plugin = gst_plugin_load_file (arg, &error);
2296 print_plugin_automatic_install_info (plugin);
2298 print_plugin_info (plugin);
2299 print_plugin_features (plugin);
2302 g_printerr (_("Could not load plugin file: %s\n"), error->message);
2303 g_clear_error (&error);
2308 g_printerr (_("No such element or plugin '%s'\n"), arg);
2322 /* So that the pipe we create in redirect_stdout() is closed */
2323 close (STDOUT_FILENO);
2324 close (STDERR_FILENO);
2325 g_child_watch_add (child_pid, child_exit_cb, NULL);
2326 g_main_loop_run (loop);
2327 g_main_loop_unref (loop);