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);
288 if (g_strv_contains (gstreamer_modules, module)) {
292 gst_registry_get_feature_list_by_plugin (gst_registry_get (),
293 gst_plugin_get_name (plugin));
295 /* if the plugin only has a single feature, plugin page == feature page */
296 if (features != NULL && features->next == NULL) {
297 n_print ("%s%-25s%s%s%s/%s/#%s-page%s\n", PROP_NAME_COLOR,
298 "Documentation", RESET_COLOR, PROP_VALUE_COLOR, GST_DOC_BASE_URL,
299 gst_plugin_get_name (plugin), GST_OBJECT_NAME (factory),
302 n_print ("%s%-25s%s%s%s/%s/%s.html%s\n", PROP_NAME_COLOR,
303 "Documentation", RESET_COLOR, PROP_VALUE_COLOR, GST_DOC_BASE_URL,
304 gst_plugin_get_name (plugin), GST_OBJECT_NAME (factory),
307 gst_plugin_feature_list_free (features);
316 print_hierarchy (GType type, gint level, gint * maxlevel)
321 parent = g_type_parent (type);
323 *maxlevel = *maxlevel + 1;
327 print_hierarchy (parent, level, maxlevel);
330 g_print ("%s%s%s", DATATYPE_COLOR, _name, RESET_COLOR);
332 for (i = 1; i < *maxlevel - level; i++)
334 if (*maxlevel - level)
335 g_print (" %s+----%s", CHILD_LINK_COLOR, RESET_COLOR);
337 g_print ("%s%s%s\n", DATATYPE_COLOR, g_type_name (type), RESET_COLOR);
344 print_interfaces (GType type)
347 GType *iface, *ifaces = g_type_interfaces (type, &n_ifaces);
351 n_print (_("%sImplemented Interfaces%s:\n"), HEADING_COLOR, RESET_COLOR);
355 n_print ("%s%s%s\n", DATATYPE_COLOR, g_type_name (*iface), RESET_COLOR);
366 flags_to_string (GFlagsValue * vals, guint flags)
371 /* first look for an exact match and count the number of values */
372 for (i = 0; vals[i].value_name != NULL; ++i) {
373 if (vals[i].value == flags)
374 return g_strdup (vals[i].value_nick);
377 s = g_string_new (NULL);
379 /* we assume the values are sorted from lowest to highest value */
383 if (vals[i].value != 0 && (flags_left & vals[i].value) == vals[i].value) {
385 g_string_append_c (s, '+');
386 g_string_append (s, vals[i].value_nick);
387 flags_left -= vals[i].value;
394 g_string_assign (s, "(none)");
396 return g_string_free (s, FALSE);
399 #define KNOWN_PARAM_FLAGS \
400 (G_PARAM_CONSTRUCT | G_PARAM_CONSTRUCT_ONLY | \
401 G_PARAM_LAX_VALIDATION | G_PARAM_STATIC_STRINGS | \
402 G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_DEPRECATED | \
403 GST_PARAM_CONTROLLABLE | GST_PARAM_MUTABLE_PLAYING | \
404 GST_PARAM_MUTABLE_PAUSED | GST_PARAM_MUTABLE_READY | \
405 GST_PARAM_CONDITIONALLY_AVAILABLE | GST_PARAM_DOC_SHOW_DEFAULT)
408 sort_gparamspecs (GParamSpec ** a, GParamSpec ** b)
410 return g_strcmp0 (g_param_spec_get_name (*a), g_param_spec_get_name (*b));
413 /* obj will be NULL if we're printing properties of pad template pads */
415 print_object_properties_info (GObject * obj, GObjectClass * obj_class,
418 GParamSpec **property_specs;
419 guint num_properties, i;
423 property_specs = g_object_class_list_properties (obj_class, &num_properties);
424 g_qsort_with_data (property_specs, num_properties, sizeof (gpointer),
425 (GCompareDataFunc) sort_gparamspecs, NULL);
427 n_print ("%s%s%s:\n", HEADING_COLOR, desc, RESET_COLOR);
431 for (i = 0; i < num_properties; i++) {
432 GValue value = { 0, };
433 GParamSpec *param = property_specs[i];
434 GType owner_type = param->owner_type;
436 /* We're printing pad properties */
437 if (obj == NULL && (owner_type == G_TYPE_OBJECT
438 || owner_type == GST_TYPE_OBJECT || owner_type == GST_TYPE_PAD))
441 g_value_init (&value, param->value_type);
443 n_print ("%s%-20s%s: %s%s%s\n", PROP_NAME_COLOR,
444 g_param_spec_get_name (param), RESET_COLOR, PROP_VALUE_COLOR,
445 g_param_spec_get_blurb (param), RESET_COLOR);
450 n_print ("%sflags%s: ", PROP_ATTR_NAME_COLOR, RESET_COLOR);
451 readable = ! !(param->flags & G_PARAM_READABLE);
452 if (readable && obj != NULL) {
453 g_object_get_property (obj, param->name, &value);
455 /* if we can't read the property value, assume it's set to the default
456 * (which might not be entirely true for sub-classes, but that's an
457 * unlikely corner-case anyway) */
458 g_param_value_set_default (param, &value);
461 g_print ("%s%s%s%s", (first_flag) ? "" : ", ", PROP_ATTR_VALUE_COLOR,
462 _("readable"), RESET_COLOR);
465 if (param->flags & G_PARAM_WRITABLE) {
466 g_print ("%s%s%s%s", (first_flag) ? "" : ", ", PROP_ATTR_VALUE_COLOR,
467 _("writable"), RESET_COLOR);
470 if (param->flags & G_PARAM_DEPRECATED) {
471 g_print ("%s%s%s%s", (first_flag) ? "" : ", ", PROP_ATTR_VALUE_COLOR,
472 _("deprecated"), RESET_COLOR);
475 if (param->flags & GST_PARAM_CONTROLLABLE) {
476 g_print (", %s%s%s", PROP_ATTR_VALUE_COLOR, _("controllable"),
480 if (param->flags & GST_PARAM_CONDITIONALLY_AVAILABLE) {
481 g_print (", %s%s%s", PROP_ATTR_VALUE_COLOR, _("conditionally available"),
485 if (param->flags & GST_PARAM_MUTABLE_PLAYING) {
486 g_print (", %s%s%s", PROP_ATTR_VALUE_COLOR,
487 _("changeable in NULL, READY, PAUSED or PLAYING state"), RESET_COLOR);
488 } else if (param->flags & GST_PARAM_MUTABLE_PAUSED) {
489 g_print (", %s%s%s", PROP_ATTR_VALUE_COLOR,
490 _("changeable only in NULL, READY or PAUSED state"), RESET_COLOR);
491 } else if (param->flags & GST_PARAM_MUTABLE_READY) {
492 g_print (", %s%s%s", PROP_ATTR_VALUE_COLOR,
493 _("changeable only in NULL or READY state"), RESET_COLOR);
495 if (param->flags & ~KNOWN_PARAM_FLAGS) {
496 g_print ("%s0x%s%0x%s", (first_flag) ? "" : ", ", PROP_ATTR_VALUE_COLOR,
497 param->flags & ~KNOWN_PARAM_FLAGS, RESET_COLOR);
501 switch (G_VALUE_TYPE (&value)) {
504 const char *string_val = g_value_get_string (&value);
506 n_print ("%sString%s. ", DATATYPE_COLOR, RESET_COLOR);
508 if (string_val == NULL)
509 g_print ("%sDefault%s: %snull%s", PROP_ATTR_NAME_COLOR, RESET_COLOR,
510 PROP_ATTR_VALUE_COLOR, RESET_COLOR);
512 g_print ("%sDefault%s: %s\"%s\"%s", PROP_ATTR_NAME_COLOR, RESET_COLOR,
513 PROP_ATTR_VALUE_COLOR, string_val, RESET_COLOR);
518 gboolean bool_val = g_value_get_boolean (&value);
520 n_print ("%sBoolean%s. %sDefault%s: %s%s%s", DATATYPE_COLOR,
521 RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
522 PROP_ATTR_VALUE_COLOR, bool_val ? "true" : "false", RESET_COLOR);
527 GParamSpecULong *pulong = G_PARAM_SPEC_ULONG (param);
530 ("%sUnsigned Long%s. %sRange%s: %s%lu - %lu%s %sDefault%s: %s%lu%s ",
531 DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
532 PROP_ATTR_VALUE_COLOR, pulong->minimum, pulong->maximum,
533 RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
534 PROP_ATTR_VALUE_COLOR, g_value_get_ulong (&value), RESET_COLOR);
536 GST_ERROR ("%s: property '%s' of type ulong: consider changing to "
537 "uint/uint64", G_OBJECT_CLASS_NAME (obj_class),
538 g_param_spec_get_name (param));
543 GParamSpecLong *plong = G_PARAM_SPEC_LONG (param);
545 n_print ("%sLong%s. %sRange%s: %s%ld - %ld%s %sDefault%s: %s%ld%s ",
546 DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
547 PROP_ATTR_VALUE_COLOR, plong->minimum, plong->maximum, RESET_COLOR,
548 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
549 g_value_get_long (&value), RESET_COLOR);
551 GST_ERROR ("%s: property '%s' of type long: consider changing to "
552 "int/int64", G_OBJECT_CLASS_NAME (obj_class),
553 g_param_spec_get_name (param));
558 GParamSpecUInt *puint = G_PARAM_SPEC_UINT (param);
561 ("%sUnsigned Integer%s. %sRange%s: %s%u - %u%s %sDefault%s: %s%u%s ",
562 DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
563 PROP_ATTR_VALUE_COLOR, puint->minimum, puint->maximum, RESET_COLOR,
564 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
565 g_value_get_uint (&value), RESET_COLOR);
570 GParamSpecInt *pint = G_PARAM_SPEC_INT (param);
572 n_print ("%sInteger%s. %sRange%s: %s%d - %d%s %sDefault%s: %s%d%s ",
573 DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
574 PROP_ATTR_VALUE_COLOR, pint->minimum, pint->maximum, RESET_COLOR,
575 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
576 g_value_get_int (&value), RESET_COLOR);
581 GParamSpecUInt64 *puint64 = G_PARAM_SPEC_UINT64 (param);
583 n_print ("%sUnsigned Integer64%s. %sRange%s: %s%" G_GUINT64_FORMAT " - "
584 "%" G_GUINT64_FORMAT "%s %sDefault%s: %s%" G_GUINT64_FORMAT "%s ",
585 DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
586 PROP_ATTR_VALUE_COLOR, puint64->minimum, puint64->maximum,
587 RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
588 PROP_ATTR_VALUE_COLOR, g_value_get_uint64 (&value), RESET_COLOR);
593 GParamSpecInt64 *pint64 = G_PARAM_SPEC_INT64 (param);
595 n_print ("%sInteger64%s. %sRange%s: %s%" G_GINT64_FORMAT " - %"
596 G_GINT64_FORMAT "%s %sDefault%s: %s%" G_GINT64_FORMAT "%s ",
597 DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
598 PROP_ATTR_VALUE_COLOR, pint64->minimum, pint64->maximum,
599 RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
600 PROP_ATTR_VALUE_COLOR, g_value_get_int64 (&value), RESET_COLOR);
605 GParamSpecFloat *pfloat = G_PARAM_SPEC_FLOAT (param);
607 n_print ("%sFloat%s. %sRange%s: %s%15.7g - %15.7g%s "
608 "%sDefault%s: %s%15.7g%s ", DATATYPE_COLOR, RESET_COLOR,
609 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
610 pfloat->minimum, pfloat->maximum, RESET_COLOR, PROP_ATTR_NAME_COLOR,
611 RESET_COLOR, PROP_ATTR_VALUE_COLOR, g_value_get_float (&value),
617 GParamSpecDouble *pdouble = G_PARAM_SPEC_DOUBLE (param);
619 n_print ("%sDouble%s. %sRange%s: %s%15.7g - %15.7g%s "
620 "%sDefault%s: %s%15.7g%s ", DATATYPE_COLOR, RESET_COLOR,
621 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
622 pdouble->minimum, pdouble->maximum, RESET_COLOR,
623 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
624 g_value_get_double (&value), RESET_COLOR);
629 GST_ERROR ("%s: property '%s' of type char: consider changing to "
630 "int/string", G_OBJECT_CLASS_NAME (obj_class),
631 g_param_spec_get_name (param));
634 if (param->value_type == GST_TYPE_CAPS) {
635 const GstCaps *caps = gst_value_get_caps (&value);
638 n_print ("%sCaps%s (NULL)", DATATYPE_COLOR, RESET_COLOR);
640 print_caps (caps, " ");
642 } else if (G_IS_PARAM_SPEC_ENUM (param)) {
646 const gchar *value_nick = "";
648 values = G_ENUM_CLASS (g_type_class_ref (param->value_type))->values;
649 enum_value = g_value_get_enum (&value);
651 while (values[j].value_name) {
652 if (values[j].value == enum_value)
653 value_nick = values[j].value_nick;
657 n_print ("%sEnum \"%s\"%s %sDefault%s: %s%d, \"%s\"%s",
658 DATATYPE_COLOR, g_type_name (G_VALUE_TYPE (&value)), RESET_COLOR,
659 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
660 enum_value, value_nick, RESET_COLOR);
663 while (values[j].value_name) {
665 n_print (" %s(%d)%s: %s%-16s%s - %s%s%s",
666 PROP_ATTR_NAME_COLOR, values[j].value, RESET_COLOR,
667 PROP_ATTR_VALUE_COLOR, values[j].value_nick, RESET_COLOR,
668 DESC_COLOR, values[j].value_name, RESET_COLOR);
671 /* g_type_class_unref (ec); */
672 } else if (G_IS_PARAM_SPEC_FLAGS (param)) {
673 GParamSpecFlags *pflags = G_PARAM_SPEC_FLAGS (param);
677 vals = pflags->flags_class->values;
679 cur = flags_to_string (vals, g_value_get_flags (&value));
681 n_print ("%sFlags \"%s\"%s %sDefault%s: %s0x%08x, \"%s\"%s",
682 DATATYPE_COLOR, g_type_name (G_VALUE_TYPE (&value)), RESET_COLOR,
683 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
684 g_value_get_flags (&value), cur, RESET_COLOR);
686 while (vals[0].value_name) {
688 n_print (" %s(0x%08x)%s: %s%-16s%s - %s%s%s",
689 PROP_ATTR_NAME_COLOR, vals[0].value, RESET_COLOR,
690 PROP_ATTR_VALUE_COLOR, vals[0].value_nick, RESET_COLOR,
691 DESC_COLOR, vals[0].value_name, RESET_COLOR);
696 } else if (G_IS_PARAM_SPEC_OBJECT (param)) {
697 n_print ("%sObject of type%s %s\"%s\"%s", PROP_VALUE_COLOR,
698 RESET_COLOR, DATATYPE_COLOR,
699 g_type_name (param->value_type), RESET_COLOR);
700 } else if (G_IS_PARAM_SPEC_BOXED (param)) {
701 n_print ("%sBoxed pointer of type%s %s\"%s\"%s", PROP_VALUE_COLOR,
702 RESET_COLOR, DATATYPE_COLOR,
703 g_type_name (param->value_type), RESET_COLOR);
704 if (param->value_type == GST_TYPE_STRUCTURE) {
705 const GstStructure *s = gst_value_get_structure (&value);
708 gst_structure_foreach (s, print_field,
712 } else if (G_IS_PARAM_SPEC_POINTER (param)) {
713 if (param->value_type != G_TYPE_POINTER) {
714 n_print ("%sPointer of type%s %s\"%s\"%s.", PROP_VALUE_COLOR,
715 RESET_COLOR, DATATYPE_COLOR, g_type_name (param->value_type),
718 n_print ("%sPointer.%s", PROP_VALUE_COLOR, RESET_COLOR);
720 } else if (param->value_type == G_TYPE_VALUE_ARRAY) {
721 GParamSpecValueArray *pvarray = G_PARAM_SPEC_VALUE_ARRAY (param);
723 if (pvarray->element_spec) {
724 n_print ("%sArray of GValues of type%s %s\"%s\"%s",
725 PROP_VALUE_COLOR, RESET_COLOR, DATATYPE_COLOR,
726 g_type_name (pvarray->element_spec->value_type), RESET_COLOR);
728 n_print ("%sArray of GValues%s", PROP_VALUE_COLOR, RESET_COLOR);
730 } else if (GST_IS_PARAM_SPEC_FRACTION (param)) {
731 GstParamSpecFraction *pfraction = GST_PARAM_SPEC_FRACTION (param);
733 n_print ("%sFraction%s. %sRange%s: %s%d/%d - %d/%d%s "
734 "%sDefault%s: %s%d/%d%s ", DATATYPE_COLOR, RESET_COLOR,
735 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
736 pfraction->min_num, pfraction->min_den, pfraction->max_num,
737 pfraction->max_den, RESET_COLOR, PROP_ATTR_NAME_COLOR,
738 RESET_COLOR, PROP_ATTR_VALUE_COLOR,
739 gst_value_get_fraction_numerator (&value),
740 gst_value_get_fraction_denominator (&value), RESET_COLOR);
741 } else if (param->value_type == GST_TYPE_ARRAY) {
742 GstParamSpecArray *parray = GST_PARAM_SPEC_ARRAY_LIST (param);
744 if (parray->element_spec) {
745 n_print ("%sGstValueArray of GValues of type%s %s\"%s\"%s",
746 PROP_VALUE_COLOR, RESET_COLOR, DATATYPE_COLOR,
747 g_type_name (parray->element_spec->value_type), RESET_COLOR);
749 n_print ("%sGstValueArray of GValues%s", PROP_VALUE_COLOR,
753 n_print ("%sUnknown type %ld%s %s\"%s\"%s", PROP_VALUE_COLOR,
754 (glong) param->value_type, RESET_COLOR, DATATYPE_COLOR,
755 g_type_name (param->value_type), RESET_COLOR);
760 g_print (" %sWrite only%s\n", PROP_VALUE_COLOR, RESET_COLOR);
766 g_value_reset (&value);
768 if (num_properties == 0)
769 n_print ("%snone%s\n", PROP_VALUE_COLOR, RESET_COLOR);
773 g_free (property_specs);
777 print_element_properties_info (GstElement * element)
780 print_object_properties_info (G_OBJECT (element),
781 G_OBJECT_GET_CLASS (element), "Element Properties");
785 gst_static_pad_compare_func (gconstpointer p1, gconstpointer p2)
787 GstStaticPadTemplate *pt1, *pt2;
789 pt1 = (GstStaticPadTemplate *) p1;
790 pt2 = (GstStaticPadTemplate *) p2;
792 return strcmp (pt1->name_template, pt2->name_template);
797 print_pad_templates_info (GstElement * element, GstElementFactory * factory)
800 GstStaticPadTemplate *padtemplate;
801 GstPadTemplate *tmpl;
803 n_print ("%sPad Templates%s:\n", HEADING_COLOR, RESET_COLOR);
807 if (gst_element_factory_get_num_pad_templates (factory) == 0) {
808 n_print ("%snone%s\n", PROP_VALUE_COLOR, RESET_COLOR);
812 pads = g_list_copy ((GList *)
813 gst_element_factory_get_static_pad_templates (factory));
814 pads = g_list_sort (pads, gst_static_pad_compare_func);
816 padtemplate = (GstStaticPadTemplate *) (pads->data);
817 pads = g_list_next (pads);
819 if (padtemplate->direction == GST_PAD_SRC)
820 n_print ("%sSRC template%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
821 PROP_VALUE_COLOR, padtemplate->name_template, RESET_COLOR);
822 else if (padtemplate->direction == GST_PAD_SINK)
823 n_print ("%sSINK template%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
824 PROP_VALUE_COLOR, padtemplate->name_template, RESET_COLOR);
826 n_print ("%sUNKNOWN template%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
827 PROP_VALUE_COLOR, padtemplate->name_template, RESET_COLOR);
831 if (padtemplate->presence == GST_PAD_ALWAYS)
832 n_print ("%sAvailability%s: %sAlways%s\n", PROP_NAME_COLOR, RESET_COLOR,
833 PROP_VALUE_COLOR, RESET_COLOR);
834 else if (padtemplate->presence == GST_PAD_SOMETIMES)
835 n_print ("%sAvailability%s: %sSometimes%s\n", PROP_NAME_COLOR,
836 RESET_COLOR, PROP_VALUE_COLOR, RESET_COLOR);
837 else if (padtemplate->presence == GST_PAD_REQUEST) {
838 n_print ("%sAvailability%s: %sOn request%s\n", PROP_NAME_COLOR,
839 RESET_COLOR, PROP_VALUE_COLOR, RESET_COLOR);
841 n_print ("%sAvailability%s: %sUNKNOWN%s\n", PROP_NAME_COLOR, RESET_COLOR,
842 PROP_VALUE_COLOR, RESET_COLOR);
844 if (padtemplate->static_caps.string) {
845 GstCaps *caps = gst_static_caps_get (&padtemplate->static_caps);
847 n_print ("%sCapabilities%s:\n", PROP_NAME_COLOR, RESET_COLOR);
850 print_caps (caps, ""); // FIXME
853 gst_caps_unref (caps);
856 tmpl = gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS (element),
857 padtemplate->name_template);
859 GType pad_type = GST_PAD_TEMPLATE_GTYPE (tmpl);
861 if (pad_type != G_TYPE_NONE && pad_type != GST_TYPE_PAD) {
864 pad_klass = g_type_class_ref (pad_type);
865 n_print ("%sType%s: %s%s%s\n", PROP_NAME_COLOR, RESET_COLOR,
866 DATATYPE_COLOR, g_type_name (pad_type), RESET_COLOR);
867 print_object_properties_info (NULL, pad_klass, "Pad Properties");
868 g_type_class_unref (pad_klass);
883 print_clocking_info (GstElement * element)
885 gboolean requires_clock, provides_clock;
888 GST_OBJECT_FLAG_IS_SET (element, GST_ELEMENT_FLAG_REQUIRE_CLOCK);
890 GST_OBJECT_FLAG_IS_SET (element, GST_ELEMENT_FLAG_PROVIDE_CLOCK);
892 if (!requires_clock && !provides_clock) {
894 n_print ("%sElement has no clocking capabilities.%s\n", DESC_COLOR,
900 n_print ("%sClocking Interaction%s:\n", PROP_NAME_COLOR, RESET_COLOR);
904 if (requires_clock) {
905 n_print ("%selement requires a clock%s\n", PROP_VALUE_COLOR, RESET_COLOR);
908 if (provides_clock) {
911 clock = gst_element_get_clock (element);
913 n_print ("%selement provides a clock%s: %s%s%s\n", PROP_VALUE_COLOR,
914 RESET_COLOR, DATATYPE_COLOR, GST_OBJECT_NAME (clock), RESET_COLOR);
915 gst_object_unref (clock);
917 n_print ("%selement is supposed to provide a clock but returned NULL%s\n",
918 PROP_VALUE_COLOR, RESET_COLOR);
925 print_uri_handler_info (GstElement * element)
927 if (GST_IS_URI_HANDLER (element)) {
928 const gchar *const *uri_protocols;
929 const gchar *uri_type;
931 if (gst_uri_handler_get_uri_type (GST_URI_HANDLER (element)) == GST_URI_SRC)
933 else if (gst_uri_handler_get_uri_type (GST_URI_HANDLER (element)) ==
937 uri_type = "unknown";
939 uri_protocols = gst_uri_handler_get_protocols (GST_URI_HANDLER (element));
942 n_print ("%sURI handling capabilities:%s\n", HEADING_COLOR, RESET_COLOR);
946 n_print ("%sElement can act as %s.%s\n", DESC_COLOR, uri_type, RESET_COLOR);
948 if (uri_protocols && *uri_protocols) {
949 n_print ("%sSupported URI protocols%s:\n", DESC_COLOR, RESET_COLOR);
951 for (; *uri_protocols != NULL; uri_protocols++)
952 n_print ("%s%s%s\n", PROP_ATTR_VALUE_COLOR, *uri_protocols,
956 n_print ("%sNo supported URI protocols%s\n", PROP_VALUE_COLOR,
962 n_print ("%sElement has no URI handling capabilities.%s\n", DESC_COLOR,
968 print_pad_info (GstElement * element)
974 n_print ("%sPads:%s\n", HEADING_COLOR, RESET_COLOR);
978 if (!element->numpads) {
979 n_print ("%snone%s\n", PROP_VALUE_COLOR, RESET_COLOR);
983 pads = element->pads;
988 pad = GST_PAD (pads->data);
989 pads = g_list_next (pads);
991 name = gst_pad_get_name (pad);
992 if (gst_pad_get_direction (pad) == GST_PAD_SRC)
993 n_print ("%sSRC%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
994 PROP_VALUE_COLOR, name, RESET_COLOR);
995 else if (gst_pad_get_direction (pad) == GST_PAD_SINK)
996 n_print ("%sSINK%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
997 PROP_VALUE_COLOR, name, RESET_COLOR);
999 n_print ("%sUNKNOWN%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
1000 PROP_VALUE_COLOR, name, RESET_COLOR);
1004 if (pad->padtemplate) {
1006 n_print ("%sPad Template%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
1007 PROP_VALUE_COLOR, pad->padtemplate->name_template, RESET_COLOR);
1011 caps = gst_pad_get_current_caps (pad);
1013 n_print ("%sCapabilities:%s\n", PROP_NAME_COLOR, RESET_COLOR);
1015 print_caps (caps, ""); // FIXME
1017 gst_caps_unref (caps);
1026 has_sometimes_template (GstElement * element)
1028 GstElementClass *klass = GST_ELEMENT_GET_CLASS (element);
1031 for (l = klass->padtemplates; l != NULL; l = l->next) {
1032 if (GST_PAD_TEMPLATE (l->data)->presence == GST_PAD_SOMETIMES)
1040 gtype_needs_ptr_marker (GType type)
1042 if (type == G_TYPE_POINTER)
1045 if (G_TYPE_FUNDAMENTAL (type) == G_TYPE_POINTER || G_TYPE_IS_BOXED (type)
1046 || G_TYPE_IS_OBJECT (type))
1053 print_signal_info (GstElement * element)
1055 /* Signals/Actions Block */
1059 GSignalQuery *query = NULL;
1061 GSList *found_signals, *l;
1063 for (k = 0; k < 2; k++) {
1064 found_signals = NULL;
1066 /* For elements that have sometimes pads, also list a few useful GstElement
1067 * signals. Put these first, so element-specific ones come later. */
1068 if (k == 0 && has_sometimes_template (element)) {
1069 query = g_new0 (GSignalQuery, 1);
1070 g_signal_query (g_signal_lookup ("pad-added", GST_TYPE_ELEMENT), query);
1071 found_signals = g_slist_append (found_signals, query);
1072 query = g_new0 (GSignalQuery, 1);
1073 g_signal_query (g_signal_lookup ("pad-removed", GST_TYPE_ELEMENT), query);
1074 found_signals = g_slist_append (found_signals, query);
1075 query = g_new0 (GSignalQuery, 1);
1076 g_signal_query (g_signal_lookup ("no-more-pads", GST_TYPE_ELEMENT),
1078 found_signals = g_slist_append (found_signals, query);
1081 for (type = G_OBJECT_TYPE (element); type; type = g_type_parent (type)) {
1082 if (type == GST_TYPE_ELEMENT || type == GST_TYPE_OBJECT)
1085 if (type == GST_TYPE_BIN && G_OBJECT_TYPE (element) != GST_TYPE_BIN)
1088 signals = g_signal_list_ids (type, &nsignals);
1089 for (i = 0; i < nsignals; i++) {
1090 query = g_new0 (GSignalQuery, 1);
1091 g_signal_query (signals[i], query);
1093 if ((k == 0 && !(query->signal_flags & G_SIGNAL_ACTION)) ||
1094 (k == 1 && (query->signal_flags & G_SIGNAL_ACTION)))
1095 found_signals = g_slist_append (found_signals, query);
1103 if (found_signals) {
1106 n_print ("%sElement Signals%s:\n", HEADING_COLOR, RESET_COLOR);
1108 n_print ("%sElement Actions%s:\n", HEADING_COLOR, RESET_COLOR);
1113 for (l = found_signals; l; l = l->next) {
1118 query = (GSignalQuery *) l->data;
1119 indent_len = strlen (query->signal_name) +
1120 strlen (g_type_name (query->return_type)) + 24;
1122 if (gtype_needs_ptr_marker (query->return_type)) {
1129 indent = g_new0 (gchar, indent_len + 1);
1130 memset (indent, ' ', indent_len);
1132 n_print (" %s\"%s\"%s : %s%s%s%suser_function%s (%s%s%s* object%s",
1133 PROP_NAME_COLOR, query->signal_name, RESET_COLOR,
1134 DATATYPE_COLOR, g_type_name (query->return_type), PROP_VALUE_COLOR,
1135 pmark, RESET_COLOR, DATATYPE_COLOR, g_type_name (type),
1136 PROP_VALUE_COLOR, RESET_COLOR);
1138 for (j = 0; j < query->n_params; j++) {
1139 const gchar *type_name, *asterisk;
1141 type_name = g_type_name (query->param_types[j]);
1142 asterisk = gtype_needs_ptr_marker (query->param_types[j]) ? "*" : "";
1145 n_print ("%s%s%s%s%s arg%d%s", indent, DATATYPE_COLOR, type_name,
1146 PROP_VALUE_COLOR, asterisk, j, RESET_COLOR);
1151 n_print ("%s%sgpointer %suser_data%s);\n", indent, DATATYPE_COLOR,
1152 PROP_VALUE_COLOR, RESET_COLOR);
1159 if (found_signals) {
1160 g_slist_foreach (found_signals, (GFunc) g_free, NULL);
1161 g_slist_free (found_signals);
1167 print_children_info (GstElement * element)
1171 if (!GST_IS_BIN (element))
1174 children = (GList *) GST_BIN (element)->children;
1177 n_print ("%sChildren%s:\n", HEADING_COLOR, RESET_COLOR);
1181 n_print (" %s%s%s\n", DATATYPE_COLOR,
1182 GST_ELEMENT_NAME (GST_ELEMENT (children->data)), RESET_COLOR);
1183 children = g_list_next (children);
1188 print_preset_list (GstElement * element)
1190 gchar **presets, **preset;
1192 if (!GST_IS_PRESET (element))
1195 presets = gst_preset_get_preset_names (GST_PRESET (element));
1196 if (presets && *presets) {
1198 n_print ("%sPresets%s:\n", HEADING_COLOR, RESET_COLOR);
1199 for (preset = presets; *preset; preset++) {
1200 gchar *comment = NULL;
1201 n_print (" \"%s\"", *preset);
1203 if (gst_preset_get_meta (GST_PRESET (element), *preset, "comment",
1204 &comment) && comment)
1205 g_print (": %s", comment);
1209 g_strfreev (presets);
1214 gst_plugin_name_compare_func (gconstpointer p1, gconstpointer p2)
1216 return strcmp (gst_plugin_get_name ((GstPlugin *) p1),
1217 gst_plugin_get_name ((GstPlugin *) p2));
1221 gst_plugin_feature_name_compare_func (gconstpointer p1, gconstpointer p2)
1223 return strcmp (GST_OBJECT_NAME (p1), GST_OBJECT_NAME (p2));
1227 print_blacklist (void)
1229 GList *plugins, *cur;
1232 g_print ("%s%s%s\n", HEADING_COLOR, _("Blacklisted files:"), RESET_COLOR);
1234 plugins = gst_registry_get_plugin_list (gst_registry_get ());
1235 if (sort_output == SORT_TYPE_NAME)
1236 plugins = g_list_sort (plugins, gst_plugin_name_compare_func);
1238 for (cur = plugins; cur != NULL; cur = g_list_next (cur)) {
1239 GstPlugin *plugin = (GstPlugin *) (cur->data);
1240 if (GST_OBJECT_FLAG_IS_SET (plugin, GST_PLUGIN_FLAG_BLACKLISTED)) {
1241 g_print (" %s\n", gst_plugin_get_name (plugin));
1247 g_print (_("%sTotal count%s: %s"), PROP_NAME_COLOR, RESET_COLOR,
1249 g_print (ngettext ("%d blacklisted file", "%d blacklisted files", count),
1251 g_print ("%s\n", RESET_COLOR);
1252 gst_plugin_list_free (plugins);
1256 print_typefind_extensions (const gchar * const *extensions, const gchar * color)
1260 while (extensions[i]) {
1261 g_print ("%s%s%s%s", i > 0 ? ", " : "", color, extensions[i], RESET_COLOR);
1267 print_element_list (gboolean print_all, gchar * ftypes)
1269 int plugincount = 0, featurecount = 0, blacklistcount = 0;
1270 GList *plugins, *orig_plugins;
1271 gchar **types = NULL;
1276 types = g_strsplit (ftypes, "/", -1);
1277 for (i = 0; types[i]; i++)
1278 *types[i] = g_ascii_toupper (*types[i]);
1282 orig_plugins = plugins = gst_registry_get_plugin_list (gst_registry_get ());
1283 if (sort_output == SORT_TYPE_NAME)
1284 plugins = g_list_sort (plugins, gst_plugin_name_compare_func);
1286 GList *features, *orig_features;
1289 plugin = (GstPlugin *) (plugins->data);
1290 plugins = g_list_next (plugins);
1293 if (GST_OBJECT_FLAG_IS_SET (plugin, GST_PLUGIN_FLAG_BLACKLISTED)) {
1298 orig_features = features =
1299 gst_registry_get_feature_list_by_plugin (gst_registry_get (),
1300 gst_plugin_get_name (plugin));
1301 if (sort_output == SORT_TYPE_NAME)
1302 features = g_list_sort (features, gst_plugin_feature_name_compare_func);
1304 GstPluginFeature *feature;
1306 if (G_UNLIKELY (features->data == NULL))
1308 feature = GST_PLUGIN_FEATURE (features->data);
1311 if (GST_IS_ELEMENT_FACTORY (feature)) {
1313 GstElementFactory *factory;
1315 factory = GST_ELEMENT_FACTORY (feature);
1318 gboolean all_found = TRUE;
1321 gst_element_factory_get_metadata (factory,
1322 GST_ELEMENT_METADATA_KLASS);
1323 for (i = 0; types[i]; i++) {
1324 if (!strstr (klass, types[i])) {
1334 print_element_info (feature, TRUE);
1336 g_print ("%s%s%s: %s%s%s: %s%s%s\n", PLUGIN_NAME_COLOR,
1337 gst_plugin_get_name (plugin), RESET_COLOR, ELEMENT_NAME_COLOR,
1338 GST_OBJECT_NAME (factory), RESET_COLOR, ELEMENT_DETAIL_COLOR,
1339 gst_element_factory_get_metadata (factory,
1340 GST_ELEMENT_METADATA_LONGNAME), RESET_COLOR);
1341 } else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
1342 GstTypeFindFactory *factory;
1343 const gchar *const *extensions;
1347 factory = GST_TYPE_FIND_FACTORY (feature);
1349 g_print ("%s%s%s: %s%s%s: ", PLUGIN_NAME_COLOR,
1350 gst_plugin_get_name (plugin), RESET_COLOR, ELEMENT_NAME_COLOR,
1351 gst_plugin_feature_get_name (feature), RESET_COLOR);
1353 extensions = gst_type_find_factory_get_extensions (factory);
1354 if (extensions != NULL) {
1356 print_typefind_extensions (extensions, ELEMENT_DETAIL_COLOR);
1361 g_print ("%sno extensions%s\n", ELEMENT_DETAIL_COLOR, RESET_COLOR);
1367 n_print ("%s%s%s: %s%s%s (%s%s%s)\n", PLUGIN_NAME_COLOR,
1368 gst_plugin_get_name (plugin), RESET_COLOR, ELEMENT_NAME_COLOR,
1369 GST_OBJECT_NAME (feature), RESET_COLOR, ELEMENT_DETAIL_COLOR,
1370 g_type_name (G_OBJECT_TYPE (feature)), RESET_COLOR);
1374 features = g_list_next (features);
1377 gst_plugin_feature_list_free (orig_features);
1380 gst_plugin_list_free (orig_plugins);
1384 g_print (_("%sTotal count%s: %s"), PROP_NAME_COLOR, RESET_COLOR,
1386 g_print (ngettext ("%d plugin", "%d plugins", plugincount), plugincount);
1387 if (blacklistcount) {
1389 g_print (ngettext ("%d blacklist entry", "%d blacklist entries",
1390 blacklistcount), blacklistcount);
1391 g_print (" not shown)");
1393 g_print ("%s, %s", RESET_COLOR, PROP_VALUE_COLOR);
1394 g_print (ngettext ("%d feature", "%d features", featurecount), featurecount);
1395 g_print ("%s\n", RESET_COLOR);
1399 print_all_uri_handlers (void)
1401 GList *plugins, *p, *features, *f;
1403 plugins = gst_registry_get_plugin_list (gst_registry_get ());
1404 if (sort_output == SORT_TYPE_NAME)
1405 plugins = g_list_sort (plugins, gst_plugin_name_compare_func);
1406 for (p = plugins; p; p = p->next) {
1407 GstPlugin *plugin = (GstPlugin *) (p->data);
1410 gst_registry_get_feature_list_by_plugin (gst_registry_get (),
1411 gst_plugin_get_name (plugin));
1412 if (sort_output == SORT_TYPE_NAME)
1413 features = g_list_sort (features, gst_plugin_feature_name_compare_func);
1414 for (f = features; f; f = f->next) {
1415 GstPluginFeature *feature = GST_PLUGIN_FEATURE (f->data);
1417 if (GST_IS_ELEMENT_FACTORY (feature)) {
1418 GstElementFactory *factory;
1419 GstElement *element;
1421 factory = GST_ELEMENT_FACTORY (gst_plugin_feature_load (feature));
1423 g_print ("element plugin %s couldn't be loaded\n",
1424 gst_plugin_get_name (plugin));
1428 element = gst_element_factory_create (factory, NULL);
1430 g_print ("couldn't construct element for %s for some reason\n",
1431 GST_OBJECT_NAME (factory));
1432 gst_object_unref (factory);
1436 if (GST_IS_URI_HANDLER (element)) {
1437 const gchar *const *uri_protocols;
1438 const gchar *const *protocol;
1441 switch (gst_uri_handler_get_uri_type (GST_URI_HANDLER (element))) {
1453 g_print ("%s%s%s (%s%s%s, %srank %u%s): ",
1455 gst_plugin_feature_get_name (GST_PLUGIN_FEATURE (factory)),
1456 RESET_COLOR, FEATURE_DIR_COLOR, dir, RESET_COLOR,
1458 gst_plugin_feature_get_rank (GST_PLUGIN_FEATURE (factory)),
1462 gst_uri_handler_get_protocols (GST_URI_HANDLER (element));
1463 for (protocol = uri_protocols; *protocol != NULL; protocol++) {
1464 if (protocol != uri_protocols)
1466 g_print ("%s%s%s", FEATURE_PROTO_COLOR, *protocol, RESET_COLOR);
1471 gst_object_unref (element);
1472 gst_object_unref (factory);
1476 gst_plugin_feature_list_free (features);
1479 gst_plugin_list_free (plugins);
1483 print_plugin_info (GstPlugin * plugin)
1485 const gchar *plugin_name = gst_plugin_get_name (plugin);
1486 const gchar *release_date = gst_plugin_get_release_date_string (plugin);
1487 const gchar *filename = gst_plugin_get_filename (plugin);
1488 const gchar *module = gst_plugin_get_source (plugin);
1490 n_print ("%sPlugin Details%s:\n", HEADING_COLOR, RESET_COLOR);
1494 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "Name", RESET_COLOR,
1495 PROP_VALUE_COLOR, plugin_name, RESET_COLOR);
1496 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "Description", RESET_COLOR,
1497 PROP_VALUE_COLOR, gst_plugin_get_description (plugin), RESET_COLOR);
1498 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "Filename", RESET_COLOR,
1499 PROP_VALUE_COLOR, (filename != NULL) ? filename : "(null)", RESET_COLOR);
1500 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "Version", RESET_COLOR,
1501 PROP_VALUE_COLOR, gst_plugin_get_version (plugin), RESET_COLOR);
1502 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "License", RESET_COLOR,
1503 PROP_VALUE_COLOR, gst_plugin_get_license (plugin), RESET_COLOR);
1504 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "Source module", RESET_COLOR,
1505 PROP_VALUE_COLOR, module, RESET_COLOR);
1507 if (g_strv_contains (gstreamer_modules, module)) {
1508 n_print ("%s%-25s%s%s%s/%s/%s\n", PROP_NAME_COLOR, "Documentation",
1509 RESET_COLOR, PROP_VALUE_COLOR, GST_DOC_BASE_URL, plugin_name,
1513 if (release_date != NULL) {
1514 const gchar *tz = "(UTC)";
1517 /* may be: YYYY-MM-DD or YYYY-MM-DDTHH:MMZ */
1518 /* YYYY-MM-DDTHH:MMZ => YYYY-MM-DD HH:MM (UTC) */
1519 str = g_strdup (release_date);
1520 sep = strstr (str, "T");
1523 sep = strstr (sep + 1, "Z");
1529 n_print ("%s%-25s%s%s%s%s%s\n", PROP_NAME_COLOR, "Source release date",
1530 RESET_COLOR, PROP_VALUE_COLOR, str, tz, RESET_COLOR);
1533 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "Binary package", RESET_COLOR,
1534 PROP_VALUE_COLOR, gst_plugin_get_package (plugin), RESET_COLOR);
1535 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "Origin URL", RESET_COLOR,
1536 PROP_VALUE_COLOR, gst_plugin_get_origin (plugin), RESET_COLOR);
1544 print_plugin_features (GstPlugin * plugin)
1546 GList *features, *origlist;
1547 gint num_features = 0;
1548 gint num_elements = 0;
1549 gint num_tracers = 0;
1550 gint num_typefinders = 0;
1551 gint num_devproviders = 0;
1554 origlist = features =
1555 gst_registry_get_feature_list_by_plugin (gst_registry_get (),
1556 gst_plugin_get_name (plugin));
1557 if (sort_output == SORT_TYPE_NAME)
1558 features = g_list_sort (features, gst_plugin_feature_name_compare_func);
1560 GstPluginFeature *feature;
1562 feature = GST_PLUGIN_FEATURE (features->data);
1564 if (GST_IS_ELEMENT_FACTORY (feature)) {
1565 GstElementFactory *factory;
1567 factory = GST_ELEMENT_FACTORY (feature);
1568 n_print (" %s%s%s: %s%s%s\n", ELEMENT_NAME_COLOR,
1569 GST_OBJECT_NAME (factory), RESET_COLOR, ELEMENT_DETAIL_COLOR,
1570 gst_element_factory_get_metadata (factory,
1571 GST_ELEMENT_METADATA_LONGNAME), RESET_COLOR);
1573 } else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
1574 GstTypeFindFactory *factory;
1575 const gchar *const *extensions;
1577 factory = GST_TYPE_FIND_FACTORY (feature);
1578 extensions = gst_type_find_factory_get_extensions (factory);
1580 g_print (" %s%s%s: ", ELEMENT_NAME_COLOR,
1581 gst_plugin_feature_get_name (feature), RESET_COLOR);
1582 print_typefind_extensions (extensions, ELEMENT_DETAIL_COLOR);
1585 g_print (" %s%s%s: %sno extensions%s\n", ELEMENT_NAME_COLOR,
1586 gst_plugin_feature_get_name (feature), RESET_COLOR,
1587 ELEMENT_DETAIL_COLOR, RESET_COLOR);
1590 } else if (GST_IS_DEVICE_PROVIDER_FACTORY (feature)) {
1591 GstDeviceProviderFactory *factory;
1593 factory = GST_DEVICE_PROVIDER_FACTORY (feature);
1594 n_print (" %s%s%s: %s%s%s\n", ELEMENT_NAME_COLOR,
1595 GST_OBJECT_NAME (factory), RESET_COLOR, ELEMENT_DETAIL_COLOR,
1596 gst_device_provider_factory_get_metadata (factory,
1597 GST_ELEMENT_METADATA_LONGNAME), RESET_COLOR);
1599 } else if (GST_IS_TRACER_FACTORY (feature)) {
1600 n_print (" %s%s%s (%s%s%s)\n", ELEMENT_NAME_COLOR,
1601 gst_object_get_name (GST_OBJECT (feature)), RESET_COLOR,
1602 DATATYPE_COLOR, g_type_name (G_OBJECT_TYPE (feature)), RESET_COLOR);
1604 } else if (feature) {
1605 n_print (" %s%s%s (%s%s%s)\n", ELEMENT_NAME_COLOR,
1606 gst_object_get_name (GST_OBJECT (feature)), RESET_COLOR,
1607 DATATYPE_COLOR, g_type_name (G_OBJECT_TYPE (feature)), RESET_COLOR);
1611 features = g_list_next (features);
1614 gst_plugin_feature_list_free (origlist);
1617 n_print (" %s%d features%s:\n", HEADING_COLOR, num_features, RESET_COLOR);
1618 if (num_elements > 0)
1619 n_print (" %s+--%s %s%d elements%s\n", CHILD_LINK_COLOR, RESET_COLOR,
1620 PLUGIN_FEATURE_COLOR, num_elements, RESET_COLOR);
1621 if (num_typefinders > 0)
1622 n_print (" %s+--%s %s%d typefinders%s\n", CHILD_LINK_COLOR, RESET_COLOR,
1623 PLUGIN_FEATURE_COLOR, num_typefinders, RESET_COLOR);
1624 if (num_devproviders > 0)
1625 n_print (" %s+--%s %s%d device providers%s\n", CHILD_LINK_COLOR,
1626 RESET_COLOR, PLUGIN_FEATURE_COLOR, num_devproviders, RESET_COLOR);
1627 if (num_tracers > 0)
1628 n_print (" %s+--%s %s%d tracers%s\n", CHILD_LINK_COLOR, RESET_COLOR,
1629 PLUGIN_FEATURE_COLOR, num_tracers, RESET_COLOR);
1631 n_print (" %s+--%s %s%d other objects%s\n", CHILD_LINK_COLOR, RESET_COLOR,
1632 PLUGIN_FEATURE_COLOR, num_other, RESET_COLOR);
1638 print_feature_info (const gchar * feature_name, gboolean print_all)
1640 GstPluginFeature *feature;
1641 GstRegistry *registry = gst_registry_get ();
1644 if ((feature = gst_registry_find_feature (registry, feature_name,
1645 GST_TYPE_ELEMENT_FACTORY))) {
1646 ret = print_element_info (feature, print_all);
1649 if ((feature = gst_registry_find_feature (registry, feature_name,
1650 GST_TYPE_TYPE_FIND_FACTORY))) {
1651 ret = print_typefind_info (feature, print_all);
1654 if ((feature = gst_registry_find_feature (registry, feature_name,
1655 GST_TYPE_TRACER_FACTORY))) {
1656 ret = print_tracer_info (feature, print_all);
1660 /* TODO: handle DEVICE_PROVIDER_FACTORY */
1665 gst_object_unref (feature);
1670 print_element_info (GstPluginFeature * feature, gboolean print_names)
1672 GstElementFactory *factory;
1673 GstElement *element;
1677 factory = GST_ELEMENT_FACTORY (gst_plugin_feature_load (feature));
1679 g_print ("%selement plugin couldn't be loaded%s\n", DESC_COLOR,
1684 element = gst_element_factory_create (factory, NULL);
1686 gst_object_unref (factory);
1687 g_print ("%scouldn't construct element for some reason%s\n", DESC_COLOR,
1694 g_strdup_printf ("%s%s%s: ", DATATYPE_COLOR, GST_OBJECT_NAME (factory),
1699 plugin = gst_plugin_feature_get_plugin (GST_PLUGIN_FEATURE (factory));
1701 print_factory_details_info (factory, plugin);
1704 print_plugin_info (plugin);
1705 gst_object_unref (plugin);
1708 print_hierarchy (G_OBJECT_TYPE (element), 0, &maxlevel);
1709 print_interfaces (G_OBJECT_TYPE (element));
1711 print_pad_templates_info (element, factory);
1712 print_clocking_info (element);
1713 print_uri_handler_info (element);
1714 print_pad_info (element);
1715 print_element_properties_info (element);
1716 print_signal_info (element);
1717 print_children_info (element);
1718 print_preset_list (element);
1720 gst_object_unref (element);
1721 gst_object_unref (factory);
1727 print_typefind_info (GstPluginFeature * feature, gboolean print_names)
1729 GstTypeFindFactory *factory;
1734 const gchar *const *extensions;
1736 factory = GST_TYPE_FIND_FACTORY (gst_plugin_feature_load (feature));
1738 g_print ("%stypefind plugin couldn't be loaded%s\n", DESC_COLOR,
1745 g_strdup_printf ("%s%s%s: ", DATATYPE_COLOR, GST_OBJECT_NAME (factory),
1750 n_print ("%sFactory Details%s:\n", HEADING_COLOR, RESET_COLOR);
1751 rank = gst_plugin_feature_get_rank (feature);
1752 n_print (" %s%-25s%s%s (%d)%s\n", PROP_NAME_COLOR, "Rank", PROP_VALUE_COLOR,
1753 get_rank_name (s, rank), rank, RESET_COLOR);
1754 n_print (" %s%-25s%s%s%s\n", PROP_NAME_COLOR, "Name", PROP_VALUE_COLOR,
1755 GST_OBJECT_NAME (factory), RESET_COLOR);
1756 caps = gst_type_find_factory_get_caps (factory);
1758 gchar *caps_str = gst_caps_to_string (factory->caps);
1760 n_print (" %s%-25s%s%s%s\n", PROP_NAME_COLOR, "Caps", PROP_VALUE_COLOR,
1761 caps_str, RESET_COLOR);
1764 extensions = gst_type_find_factory_get_extensions (factory);
1766 n_print (" %s%-25s%s", PROP_NAME_COLOR, "Extensions", RESET_COLOR);
1767 print_typefind_extensions (extensions, PROP_VALUE_COLOR);
1772 plugin = gst_plugin_feature_get_plugin (GST_PLUGIN_FEATURE (factory));
1774 print_plugin_info (plugin);
1775 gst_object_unref (plugin);
1778 gst_object_unref (factory);
1784 print_tracer_info (GstPluginFeature * feature, gboolean print_names)
1786 GstTracerFactory *factory;
1791 factory = GST_TRACER_FACTORY (gst_plugin_feature_load (feature));
1793 g_print ("%stracer plugin couldn't be loaded%s\n", DESC_COLOR, RESET_COLOR);
1797 tracer = (GstTracer *) g_object_new (factory->type, NULL);
1799 gst_object_unref (factory);
1800 g_print ("%scouldn't construct tracer for some reason%s\n", DESC_COLOR,
1807 g_strdup_printf ("%s%s%s: ", DATATYPE_COLOR, GST_OBJECT_NAME (factory),
1812 n_print ("%sFactory Details%s:\n", HEADING_COLOR, RESET_COLOR);
1813 n_print (" %s%-25s%s%s%s\n", PROP_NAME_COLOR, "Name", PROP_VALUE_COLOR,
1814 GST_OBJECT_NAME (factory), RESET_COLOR);
1817 plugin = gst_plugin_feature_get_plugin (GST_PLUGIN_FEATURE (factory));
1819 print_plugin_info (plugin);
1820 gst_object_unref (plugin);
1823 print_hierarchy (G_OBJECT_TYPE (tracer), 0, &maxlevel);
1824 print_interfaces (G_OBJECT_TYPE (tracer));
1826 /* TODO: list what hooks it registers
1827 * - the data is available in gsttracerutils, we need to iterate the
1828 * _priv_tracers hashtable for each probe and then check the list of hooks
1829 * for each probe whether hook->tracer == tracer :/
1832 /* TODO: list what records it emits
1833 * - in class_init tracers can create GstTracerRecord instances
1834 * - those only get logged right now and there is no association with the
1835 * tracer that created them
1836 * - we'd need to add them to GstTracerFactory
1837 * gst_tracer_class_add_record (klass, record);
1838 * - needs work in gstregistrychunks to (de)serialize specs
1839 * - gst_tracer_register() would need to iterate the list of records and
1840 * copy the record->spec into the factory
1843 gst_object_unref (tracer);
1844 gst_object_unref (factory);
1849 /* NOTE: Not coloring output from automatic install functions, as their output
1850 * is meant for machines, not humans.
1853 print_plugin_automatic_install_info_codecs (GstElementFactory * factory)
1855 GstPadDirection direction;
1856 const gchar *type_name;
1858 const GList *static_templates, *l;
1859 GstCaps *caps = NULL;
1863 gst_element_factory_get_metadata (factory, GST_ELEMENT_METADATA_KLASS);
1864 g_return_if_fail (klass != NULL);
1866 if (strstr (klass, "Demuxer") ||
1867 strstr (klass, "Decoder") ||
1868 strstr (klass, "Depay") || strstr (klass, "Parser")) {
1869 type_name = "decoder";
1870 direction = GST_PAD_SINK;
1871 } else if (strstr (klass, "Muxer") ||
1872 strstr (klass, "Encoder") || strstr (klass, "Pay")) {
1873 type_name = "encoder";
1874 direction = GST_PAD_SRC;
1879 /* decoder/demuxer sink pads should always be static and there should only
1880 * be one, the same applies to encoders/muxers and source pads */
1881 static_templates = gst_element_factory_get_static_pad_templates (factory);
1882 for (l = static_templates; l != NULL; l = l->next) {
1883 GstStaticPadTemplate *tmpl = NULL;
1885 tmpl = (GstStaticPadTemplate *) l->data;
1886 if (tmpl->direction == direction) {
1887 caps = gst_static_pad_template_get_caps (tmpl);
1893 g_printerr ("Couldn't find static pad template for %s '%s'\n",
1894 type_name, GST_OBJECT_NAME (factory));
1898 caps = gst_caps_make_writable (caps);
1899 num = gst_caps_get_size (caps);
1900 for (i = 0; i < num; ++i) {
1904 s = gst_caps_get_structure (caps, i);
1905 /* remove fields that are almost always just MIN-MAX of some sort
1906 * in order to make the caps look less messy */
1907 gst_structure_remove_field (s, "pixel-aspect-ratio");
1908 gst_structure_remove_field (s, "framerate");
1909 gst_structure_remove_field (s, "channels");
1910 gst_structure_remove_field (s, "width");
1911 gst_structure_remove_field (s, "height");
1912 gst_structure_remove_field (s, "rate");
1913 gst_structure_remove_field (s, "depth");
1914 gst_structure_remove_field (s, "clock-rate");
1915 s_str = gst_structure_to_string (s);
1916 g_print ("%s-%s\n", type_name, s_str);
1919 gst_caps_unref (caps);
1923 print_plugin_automatic_install_info_protocols (GstElementFactory * factory)
1925 const gchar *const *protocols;
1927 protocols = gst_element_factory_get_uri_protocols (factory);
1928 if (protocols != NULL && *protocols != NULL) {
1929 switch (gst_element_factory_get_uri_type (factory)) {
1931 while (*protocols != NULL) {
1932 g_print ("urisink-%s\n", *protocols);
1937 while (*protocols != NULL) {
1938 g_print ("urisource-%s\n", *protocols);
1949 print_plugin_automatic_install_info (GstPlugin * plugin)
1951 GList *features, *l;
1953 /* not interested in typefind factories, only element factories */
1954 features = gst_registry_get_feature_list (gst_registry_get (),
1955 GST_TYPE_ELEMENT_FACTORY);
1957 for (l = features; l != NULL; l = l->next) {
1958 GstPluginFeature *feature;
1959 GstPlugin *feature_plugin;
1961 feature = GST_PLUGIN_FEATURE (l->data);
1963 /* only interested in the ones that are in the plugin we just loaded */
1964 feature_plugin = gst_plugin_feature_get_plugin (feature);
1965 if (feature_plugin == plugin) {
1966 GstElementFactory *factory;
1968 g_print ("element-%s\n", gst_plugin_feature_get_name (feature));
1970 factory = GST_ELEMENT_FACTORY (feature);
1971 print_plugin_automatic_install_info_protocols (factory);
1972 print_plugin_automatic_install_info_codecs (factory);
1975 gst_object_unref (feature_plugin);
1978 g_list_foreach (features, (GFunc) gst_object_unref, NULL);
1979 g_list_free (features);
1983 print_all_plugin_automatic_install_info (void)
1985 GList *plugins, *orig_plugins;
1987 orig_plugins = plugins = gst_registry_get_plugin_list (gst_registry_get ());
1988 if (sort_output == SORT_TYPE_NAME)
1989 plugins = g_list_sort (plugins, gst_plugin_name_compare_func);
1993 plugin = (GstPlugin *) (plugins->data);
1994 plugins = g_list_next (plugins);
1996 print_plugin_automatic_install_info (plugin);
1998 gst_plugin_list_free (orig_plugins);
2003 redirect_stdout (void)
2005 GError *error = NULL;
2007 const gchar *pager, *less;
2011 pager = g_getenv ("PAGER");
2013 pager = DEFAULT_PAGER;
2015 argv = g_strsplit (pager, " ", 0);
2017 less = g_getenv ("GST_LESS");
2019 less = DEFAULT_LESS_OPTS;
2021 envp = g_get_environ ();
2022 envp = g_environ_setenv (envp, "LESS", less, TRUE);
2024 if (!g_spawn_async_with_pipes (NULL, argv, envp,
2025 G_SPAWN_DO_NOT_REAP_CHILD | G_SPAWN_SEARCH_PATH,
2026 NULL, NULL, &child_pid, &stdin_fd,
2027 /* pass null stdout/stderr to inherit our fds */
2028 NULL, NULL, &error)) {
2029 if (pager != DEFAULT_PAGER) {
2030 g_warning ("g_spawn_async_with_pipes() failed: %s\n",
2031 GST_STR_NULL (error->message));
2035 g_clear_error (&error);
2040 /* redirect our stdout to child stdin */
2041 dup2 (stdin_fd, STDOUT_FILENO);
2042 if (isatty (STDERR_FILENO))
2043 dup2 (stdin_fd, STDERR_FILENO);
2053 child_exit_cb (GPid child_pid, gint status, gpointer user_data)
2055 g_spawn_close_pid (child_pid);
2056 g_main_loop_quit (loop);
2061 _parse_sort_type (const gchar * option_name, const gchar * optarg,
2062 gpointer data, GError ** error)
2064 if (!g_strcmp0 (optarg, "name")) {
2065 sort_output = SORT_TYPE_NAME;
2067 } else if (!g_strcmp0 (optarg, "none")) {
2068 sort_output = SORT_TYPE_NONE;
2076 main (int argc, char *argv[])
2078 gboolean print_all = FALSE;
2079 gboolean do_print_blacklist = FALSE;
2080 gboolean plugin_name = FALSE;
2081 gboolean print_aii = FALSE;
2082 gboolean uri_handlers = FALSE;
2083 gboolean check_exists = FALSE;
2084 gboolean color_always = FALSE;
2085 gchar *min_version = NULL;
2086 guint minver_maj = GST_VERSION_MAJOR;
2087 guint minver_min = GST_VERSION_MINOR;
2088 guint minver_micro = 0;
2089 gchar *types = NULL;
2090 const gchar *no_colors;
2092 #ifndef GST_DISABLE_OPTION_PARSING
2093 GOptionEntry options[] = {
2094 {"print-all", 'a', 0, G_OPTION_ARG_NONE, &print_all,
2095 N_("Print all elements"), NULL},
2096 {"print-blacklist", 'b', 0, G_OPTION_ARG_NONE, &do_print_blacklist,
2097 N_("Print list of blacklisted files"), NULL},
2098 {"print-plugin-auto-install-info", '\0', 0, G_OPTION_ARG_NONE, &print_aii,
2099 N_("Print a machine-parsable list of features the specified plugin "
2100 "or all plugins provide.\n "
2101 "Useful in connection with external automatic plugin "
2102 "installation mechanisms"), NULL},
2103 {"plugin", '\0', 0, G_OPTION_ARG_NONE, &plugin_name,
2104 N_("List the plugin contents"), NULL},
2105 {"types", 't', 0, G_OPTION_ARG_STRING, &types,
2106 N_("A slashes ('/') separated list of types of elements (also known "
2107 "as klass) to list. (unordered)"), NULL},
2108 {"exists", '\0', 0, G_OPTION_ARG_NONE, &check_exists,
2109 N_("Check if the specified element or plugin exists"), NULL},
2110 {"atleast-version", '\0', 0, G_OPTION_ARG_STRING, &min_version,
2112 ("When checking if an element or plugin exists, also check that its "
2113 "version is at least the version specified"), NULL},
2114 {"uri-handlers", 'u', 0, G_OPTION_ARG_NONE, &uri_handlers,
2116 ("Print supported URI schemes, with the elements that implement them"),
2118 {"no-colors", '\0', G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE,
2121 ("Disable colors in output. You can also achieve the same by setting "
2122 "'GST_INSPECT_NO_COLORS' environment variable to any value."),
2124 {"sort", '\0', G_OPTION_ARG_NONE, G_OPTION_ARG_CALLBACK, &_parse_sort_type,
2125 "Sort plugins and features. Sorting keys: name (default), none.",
2128 {"color", 'C', 0, G_OPTION_ARG_NONE, &color_always,
2129 N_("Color output, even when not sending to a tty."),
2131 GST_TOOLS_GOPTION_VERSION,
2134 GOptionContext *ctx;
2138 setlocale (LC_ALL, "");
2141 bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
2142 bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
2143 textdomain (GETTEXT_PACKAGE);
2146 /* avoid glib warnings when inspecting deprecated properties */
2147 g_setenv ("G_ENABLE_DIAGNOSTIC", "0", FALSE);
2149 g_set_prgname ("gst-inspect-" GST_API_VERSION);
2151 #ifndef GST_DISABLE_OPTION_PARSING
2152 ctx = g_option_context_new ("[ELEMENT-NAME | PLUGIN-NAME]");
2153 g_option_context_add_main_entries (ctx, options, GETTEXT_PACKAGE);
2154 g_option_context_add_group (ctx, gst_init_get_option_group ());
2155 if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
2156 g_printerr ("Error initializing: %s\n", err->message);
2157 g_clear_error (&err);
2158 g_option_context_free (ctx);
2161 g_option_context_free (ctx);
2163 gst_init (&argc, &argv);
2166 gst_tools_print_version ();
2168 if (print_all && argc > 1) {
2169 g_printerr ("-a requires no extra arguments\n");
2173 if (uri_handlers && argc > 1) {
2174 g_printerr ("-u requires no extra arguments\n");
2178 /* --atleast-version implies --exists */
2179 if (min_version != NULL) {
2180 if (sscanf (min_version, "%u.%u.%u", &minver_maj, &minver_min,
2181 &minver_micro) < 2) {
2182 g_printerr ("Can't parse version '%s' passed to --atleast-version\n",
2184 g_free (min_version);
2187 g_free (min_version);
2188 check_exists = TRUE;
2193 g_printerr ("--exists requires an extra command line argument\n");
2197 GstPluginFeature *feature;
2199 feature = gst_registry_lookup_feature (gst_registry_get (), argv[1]);
2200 if (feature != NULL && gst_plugin_feature_check_version (feature,
2201 minver_maj, minver_min, minver_micro)) {
2208 gst_object_unref (feature);
2210 /* FIXME: support checking for plugins too */
2211 g_printerr ("Checking for plugins is not supported yet\n");
2218 no_colors = g_getenv ("GST_INSPECT_NO_COLORS");
2219 /* We only support truecolor */
2220 colored_output &= (no_colors == NULL);
2223 if (isatty (STDOUT_FILENO)) {
2224 if (redirect_stdout ())
2225 loop = g_main_loop_new (NULL, FALSE);
2227 colored_output = (color_always) ? TRUE : FALSE;
2229 #elif defined(G_OS_WIN32)
2231 /* g_log_writer_supports_color is available since 2.50.0 */
2232 gint fd = _fileno (stdout);
2233 /* On Windows 10, g_log_writer_supports_color will also setup the console
2234 * so that it correctly interprets ANSI VT sequences if it's supported */
2235 if (!_isatty (fd) || !g_log_writer_supports_color (fd))
2236 colored_output = FALSE;
2240 /* if no arguments, print out list of elements */
2242 print_all_uri_handlers ();
2243 } else if (argc == 1 || print_all) {
2244 if (do_print_blacklist)
2248 print_all_plugin_automatic_install_info ();
2250 print_element_list (print_all, types);
2253 /* else we try to get a factory */
2254 const char *arg = argv[argc - 1];
2258 retval = print_feature_info (arg, print_all);
2261 /* otherwise check if it's a plugin */
2263 GstPlugin *plugin = gst_registry_find_plugin (gst_registry_get (), arg);
2265 /* if there is such a plugin, print out info */
2268 print_plugin_automatic_install_info (plugin);
2270 print_plugin_info (plugin);
2271 print_plugin_features (plugin);
2274 GError *error = NULL;
2276 if (g_file_test (arg, G_FILE_TEST_EXISTS)) {
2277 plugin = gst_plugin_load_file (arg, &error);
2281 print_plugin_automatic_install_info (plugin);
2283 print_plugin_info (plugin);
2284 print_plugin_features (plugin);
2287 g_printerr (_("Could not load plugin file: %s\n"), error->message);
2288 g_clear_error (&error);
2293 g_printerr (_("No such element or plugin '%s'\n"), arg);
2307 /* So that the pipe we create in redirect_stdout() is closed */
2308 close (STDOUT_FILENO);
2309 close (STDERR_FILENO);
2310 g_child_watch_add (child_pid, child_exit_cb, NULL);
2311 g_main_loop_run (loop);
2312 g_main_loop_unref (loop);