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>
45 /* "R" : support color
46 * "X" : do not clear the screen when leaving the pager
47 * "F" : skip the pager if content fit into the screen
49 * Don't forget to update the manpage gst-inspect-1.0.1
50 * after changing this default.
52 #define DEFAULT_LESS_OPTS "RXF"
54 gboolean colored_output = TRUE;
59 SORT_TYPE_NAME, /* default */
62 SortType sort_output = SORT_TYPE_NAME;
65 static const gchar DEFAULT_PAGER[] = "less";
68 GMainLoop *loop = NULL;
72 /* Escape values for colors */
73 #define BLUE "\033[34m"
74 #define BRBLUE "\033[94m"
75 #define BRCYAN "\033[96m"
76 #define BRMAGENTA "\033[95m"
77 #define BRYELLOW "\033[33m"
78 #define CYAN "\033[36m"
79 #define GREEN "\033[32m"
80 #define MAGENTA "\033[35m"
81 #define YELLOW "\033[33m"
84 #define RESET_COLOR (colored_output? "\033[0m": "")
85 #define HEADING_COLOR (colored_output? BRYELLOW : "")
86 #define PROP_NAME_COLOR (colored_output? BRBLUE : "")
87 #define PROP_VALUE_COLOR (colored_output? RESET_COLOR: "")
88 #define PROP_ATTR_NAME_COLOR (colored_output? BRYELLOW : "")
89 #define PROP_ATTR_VALUE_COLOR (colored_output? CYAN: "")
90 /* FIXME: find a good color that works on both dark & light bg. */
91 #define DESC_COLOR (colored_output? RESET_COLOR: "")
93 /* Datatype-related colors */
94 #define DATATYPE_COLOR (colored_output? GREEN : "")
95 #define CHILD_LINK_COLOR (colored_output? BRMAGENTA : "")
98 #define FIELD_NAME_COLOR (colored_output? CYAN: "")
99 #define FIELD_VALUE_COLOR (colored_output? BRBLUE : "")
100 #define CAPS_TYPE_COLOR (colored_output? YELLOW : "")
101 #define STRUCT_NAME_COLOR (colored_output? YELLOW : "")
102 #define CAPS_FEATURE_COLOR (colored_output? GREEN : "")
104 /* Plugin listing colors */
105 #define PLUGIN_NAME_COLOR (colored_output? BRBLUE : "")
106 #define ELEMENT_NAME_COLOR (colored_output? GREEN : "")
107 /* FIXME: find a good color that works on both dark & light bg. */
108 #define ELEMENT_DETAIL_COLOR (colored_output? RESET_COLOR : "")
109 #define PLUGIN_FEATURE_COLOR (colored_output? BRBLUE: "")
111 /* Feature listing colors */
112 #define FEATURE_NAME_COLOR (colored_output? GREEN : "")
113 #define FEATURE_DIR_COLOR (colored_output? BRMAGENTA : "")
114 #define FEATURE_RANK_COLOR (colored_output? CYAN : "")
115 #define FEATURE_PROTO_COLOR (colored_output? BRYELLOW : "")
117 static char *_name = NULL;
118 static int indent = 0;
120 static int print_element_info (GstPluginFeature * feature,
121 gboolean print_names);
122 static int print_typefind_info (GstPluginFeature * feature,
123 gboolean print_names);
124 static int print_tracer_info (GstPluginFeature * feature, gboolean print_names);
126 #define push_indent() push_indent_n(1)
127 #define pop_indent() push_indent_n(-1)
128 #define pop_indent_n(n) push_indent_n(-n)
131 push_indent_n (int n)
133 g_assert (n > 0 || indent > 0);
142 n_print (const char *format, ...)
149 g_print ("%s", _name);
151 for (i = 0; i < indent; ++i)
154 va_start (args, format);
155 str = gst_info_strdup_vprintf (format, args);
166 print_field (GQuark field, const GValue * value, gpointer pfx)
168 gchar *str = gst_value_serialize (value);
170 n_print ("%s %s%15s%s: %s%s%s\n",
171 (gchar *) pfx, FIELD_NAME_COLOR, g_quark_to_string (field), RESET_COLOR,
172 FIELD_VALUE_COLOR, str, RESET_COLOR);
178 print_caps (const GstCaps * caps, const gchar * pfx)
182 g_return_if_fail (caps != NULL);
184 if (gst_caps_is_any (caps)) {
185 n_print ("%s%sANY%s\n", CAPS_TYPE_COLOR, pfx, RESET_COLOR);
188 if (gst_caps_is_empty (caps)) {
189 n_print ("%s%sEMPTY%s\n", CAPS_TYPE_COLOR, pfx, RESET_COLOR);
193 for (i = 0; i < gst_caps_get_size (caps); i++) {
194 GstStructure *structure = gst_caps_get_structure (caps, i);
195 GstCapsFeatures *features = gst_caps_get_features (caps, i);
197 if (features && (gst_caps_features_is_any (features) ||
198 !gst_caps_features_is_equal (features,
199 GST_CAPS_FEATURES_MEMORY_SYSTEM_MEMORY))) {
200 gchar *features_string = gst_caps_features_to_string (features);
202 n_print ("%s%s%s%s(%s%s%s)\n", pfx, STRUCT_NAME_COLOR,
203 gst_structure_get_name (structure), RESET_COLOR,
204 CAPS_FEATURE_COLOR, features_string, RESET_COLOR);
205 g_free (features_string);
207 n_print ("%s%s%s%s\n", pfx, STRUCT_NAME_COLOR,
208 gst_structure_get_name (structure), RESET_COLOR);
210 gst_structure_foreach (structure, print_field, (gpointer) pfx);
215 get_rank_name (char *s, gint rank)
217 static const int ranks[4] = {
218 GST_RANK_NONE, GST_RANK_MARGINAL, GST_RANK_SECONDARY, GST_RANK_PRIMARY
220 static const char *rank_names[4] = { "none", "marginal", "secondary",
227 for (i = 0; i < 4; i++) {
228 if (rank == ranks[i])
229 return rank_names[i];
230 if (abs (rank - ranks[i]) < abs (rank - ranks[best_i])) {
235 sprintf (s, "%s %c %d", rank_names[best_i],
236 (rank - ranks[best_i] > 0) ? '+' : '-', abs (ranks[best_i] - rank));
242 print_factory_details_info (GstElementFactory * factory)
248 rank = gst_plugin_feature_get_rank (GST_PLUGIN_FEATURE (factory));
249 n_print ("%sFactory Details:%s\n", HEADING_COLOR, RESET_COLOR);
252 n_print ("%s%-25s%s%s (%d)%s\n", PROP_NAME_COLOR, "Rank", PROP_VALUE_COLOR,
253 get_rank_name (s, rank), rank, RESET_COLOR);
255 keys = gst_element_factory_get_metadata_keys (factory);
257 for (k = keys; *k != NULL; ++k) {
261 val = gst_element_factory_get_metadata (factory, key);
262 key[0] = g_ascii_toupper (key[0]);
263 n_print ("%s%-25s%s%s%s\n", PROP_NAME_COLOR, key, PROP_VALUE_COLOR, val,
273 print_hierarchy (GType type, gint level, gint * maxlevel)
278 parent = g_type_parent (type);
280 *maxlevel = *maxlevel + 1;
284 print_hierarchy (parent, level, maxlevel);
287 g_print ("%s%s%s", DATATYPE_COLOR, _name, RESET_COLOR);
289 for (i = 1; i < *maxlevel - level; i++)
291 if (*maxlevel - level)
292 g_print (" %s+----%s", CHILD_LINK_COLOR, RESET_COLOR);
294 g_print ("%s%s%s\n", DATATYPE_COLOR, g_type_name (type), RESET_COLOR);
301 print_interfaces (GType type)
304 GType *iface, *ifaces = g_type_interfaces (type, &n_ifaces);
308 n_print (_("%sImplemented Interfaces%s:\n"), HEADING_COLOR, RESET_COLOR);
312 n_print ("%s%s%s\n", DATATYPE_COLOR, g_type_name (*iface), RESET_COLOR);
323 flags_to_string (GFlagsValue * vals, guint flags)
328 /* first look for an exact match and count the number of values */
329 for (i = 0; vals[i].value_name != NULL; ++i) {
330 if (vals[i].value == flags)
331 return g_strdup (vals[i].value_nick);
334 s = g_string_new (NULL);
336 /* we assume the values are sorted from lowest to highest value */
340 if (vals[i].value != 0 && (flags_left & vals[i].value) == vals[i].value) {
342 g_string_append_c (s, '+');
343 g_string_append (s, vals[i].value_nick);
344 flags_left -= vals[i].value;
351 g_string_assign (s, "(none)");
353 return g_string_free (s, FALSE);
356 #define KNOWN_PARAM_FLAGS \
357 (G_PARAM_CONSTRUCT | G_PARAM_CONSTRUCT_ONLY | \
358 G_PARAM_LAX_VALIDATION | G_PARAM_STATIC_STRINGS | \
359 G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_DEPRECATED | \
360 GST_PARAM_CONTROLLABLE | GST_PARAM_MUTABLE_PLAYING | \
361 GST_PARAM_MUTABLE_PAUSED | GST_PARAM_MUTABLE_READY | \
362 GST_PARAM_CONDITIONALLY_AVAILABLE)
365 sort_gparamspecs (GParamSpec ** a, GParamSpec ** b)
367 return g_strcmp0 (g_param_spec_get_name (*a), g_param_spec_get_name (*b));
370 /* obj will be NULL if we're printing properties of pad template pads */
372 print_object_properties_info (GObject * obj, GObjectClass * obj_class,
375 GParamSpec **property_specs;
376 guint num_properties, i;
380 property_specs = g_object_class_list_properties (obj_class, &num_properties);
381 g_qsort_with_data (property_specs, num_properties, sizeof (gpointer),
382 (GCompareDataFunc) sort_gparamspecs, NULL);
384 n_print ("%s%s%s:\n", HEADING_COLOR, desc, RESET_COLOR);
388 for (i = 0; i < num_properties; i++) {
389 GValue value = { 0, };
390 GParamSpec *param = property_specs[i];
391 GType owner_type = param->owner_type;
393 /* We're printing pad properties */
394 if (obj == NULL && (owner_type == G_TYPE_OBJECT
395 || owner_type == GST_TYPE_OBJECT || owner_type == GST_TYPE_PAD))
398 g_value_init (&value, param->value_type);
400 n_print ("%s%-20s%s: %s%s%s\n", PROP_NAME_COLOR,
401 g_param_spec_get_name (param), RESET_COLOR, PROP_VALUE_COLOR,
402 g_param_spec_get_blurb (param), RESET_COLOR);
407 n_print ("%sflags%s: ", PROP_ATTR_NAME_COLOR, RESET_COLOR);
408 readable = ! !(param->flags & G_PARAM_READABLE);
409 if (readable && obj != NULL) {
410 g_object_get_property (obj, param->name, &value);
412 /* if we can't read the property value, assume it's set to the default
413 * (which might not be entirely true for sub-classes, but that's an
414 * unlikely corner-case anyway) */
415 g_param_value_set_default (param, &value);
418 g_print ("%s%s%s%s", (first_flag) ? "" : ", ", PROP_ATTR_VALUE_COLOR,
419 _("readable"), RESET_COLOR);
422 if (param->flags & G_PARAM_WRITABLE) {
423 g_print ("%s%s%s%s", (first_flag) ? "" : ", ", PROP_ATTR_VALUE_COLOR,
424 _("writable"), RESET_COLOR);
427 if (param->flags & G_PARAM_DEPRECATED) {
428 g_print ("%s%s%s%s", (first_flag) ? "" : ", ", PROP_ATTR_VALUE_COLOR,
429 _("deprecated"), RESET_COLOR);
432 if (param->flags & GST_PARAM_CONTROLLABLE) {
433 g_print (", %s%s%s", PROP_ATTR_VALUE_COLOR, _("controllable"),
437 if (param->flags & GST_PARAM_CONDITIONALLY_AVAILABLE) {
438 g_print (", %s%s%s", PROP_ATTR_VALUE_COLOR, _("conditionally available"),
442 if (param->flags & GST_PARAM_MUTABLE_PLAYING) {
443 g_print (", %s%s%s", PROP_ATTR_VALUE_COLOR,
444 _("changeable in NULL, READY, PAUSED or PLAYING state"), RESET_COLOR);
445 } else if (param->flags & GST_PARAM_MUTABLE_PAUSED) {
446 g_print (", %s%s%s", PROP_ATTR_VALUE_COLOR,
447 _("changeable only in NULL, READY or PAUSED state"), RESET_COLOR);
448 } else if (param->flags & GST_PARAM_MUTABLE_READY) {
449 g_print (", %s%s%s", PROP_ATTR_VALUE_COLOR,
450 _("changeable only in NULL or READY state"), RESET_COLOR);
452 if (param->flags & ~KNOWN_PARAM_FLAGS) {
453 g_print ("%s0x%s%0x%s", (first_flag) ? "" : ", ", PROP_ATTR_VALUE_COLOR,
454 param->flags & ~KNOWN_PARAM_FLAGS, RESET_COLOR);
458 switch (G_VALUE_TYPE (&value)) {
461 const char *string_val = g_value_get_string (&value);
463 n_print ("%sString%s. ", DATATYPE_COLOR, RESET_COLOR);
465 if (string_val == NULL)
466 g_print ("%sDefault%s: %snull%s", PROP_ATTR_NAME_COLOR, RESET_COLOR,
467 PROP_ATTR_VALUE_COLOR, RESET_COLOR);
469 g_print ("%sDefault%s: %s\"%s\"%s", PROP_ATTR_NAME_COLOR, RESET_COLOR,
470 PROP_ATTR_VALUE_COLOR, string_val, RESET_COLOR);
475 gboolean bool_val = g_value_get_boolean (&value);
477 n_print ("%sBoolean%s. %sDefault%s: %s%s%s", DATATYPE_COLOR,
478 RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
479 PROP_ATTR_VALUE_COLOR, bool_val ? "true" : "false", RESET_COLOR);
484 GParamSpecULong *pulong = G_PARAM_SPEC_ULONG (param);
487 ("%sUnsigned Long%s. %sRange%s: %s%lu - %lu%s %sDefault%s: %s%lu%s ",
488 DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
489 PROP_ATTR_VALUE_COLOR, pulong->minimum, pulong->maximum,
490 RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
491 PROP_ATTR_VALUE_COLOR, g_value_get_ulong (&value), RESET_COLOR);
493 GST_ERROR ("%s: property '%s' of type ulong: consider changing to "
494 "uint/uint64", G_OBJECT_CLASS_NAME (obj_class),
495 g_param_spec_get_name (param));
500 GParamSpecLong *plong = G_PARAM_SPEC_LONG (param);
502 n_print ("%sLong%s. %sRange%s: %s%ld - %ld%s %sDefault%s: %s%ld%s ",
503 DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
504 PROP_ATTR_VALUE_COLOR, plong->minimum, plong->maximum, RESET_COLOR,
505 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
506 g_value_get_long (&value), RESET_COLOR);
508 GST_ERROR ("%s: property '%s' of type long: consider changing to "
509 "int/int64", G_OBJECT_CLASS_NAME (obj_class),
510 g_param_spec_get_name (param));
515 GParamSpecUInt *puint = G_PARAM_SPEC_UINT (param);
518 ("%sUnsigned Integer%s. %sRange%s: %s%u - %u%s %sDefault%s: %s%u%s ",
519 DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
520 PROP_ATTR_VALUE_COLOR, puint->minimum, puint->maximum, RESET_COLOR,
521 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
522 g_value_get_uint (&value), RESET_COLOR);
527 GParamSpecInt *pint = G_PARAM_SPEC_INT (param);
529 n_print ("%sInteger%s. %sRange%s: %s%d - %d%s %sDefault%s: %s%d%s ",
530 DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
531 PROP_ATTR_VALUE_COLOR, pint->minimum, pint->maximum, RESET_COLOR,
532 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
533 g_value_get_int (&value), RESET_COLOR);
538 GParamSpecUInt64 *puint64 = G_PARAM_SPEC_UINT64 (param);
540 n_print ("%sUnsigned Integer64%s. %sRange%s: %s%" G_GUINT64_FORMAT " - "
541 "%" G_GUINT64_FORMAT "%s %sDefault%s: %s%" G_GUINT64_FORMAT "%s ",
542 DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
543 PROP_ATTR_VALUE_COLOR, puint64->minimum, puint64->maximum,
544 RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
545 PROP_ATTR_VALUE_COLOR, g_value_get_uint64 (&value), RESET_COLOR);
550 GParamSpecInt64 *pint64 = G_PARAM_SPEC_INT64 (param);
552 n_print ("%sInteger64%s. %sRange%s: %s%" G_GINT64_FORMAT " - %"
553 G_GINT64_FORMAT "%s %sDefault%s: %s%" G_GINT64_FORMAT "%s ",
554 DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
555 PROP_ATTR_VALUE_COLOR, pint64->minimum, pint64->maximum,
556 RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
557 PROP_ATTR_VALUE_COLOR, g_value_get_int64 (&value), RESET_COLOR);
562 GParamSpecFloat *pfloat = G_PARAM_SPEC_FLOAT (param);
564 n_print ("%sFloat%s. %sRange%s: %s%15.7g - %15.7g%s "
565 "%sDefault%s: %s%15.7g%s ", DATATYPE_COLOR, RESET_COLOR,
566 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
567 pfloat->minimum, pfloat->maximum, RESET_COLOR, PROP_ATTR_NAME_COLOR,
568 RESET_COLOR, PROP_ATTR_VALUE_COLOR, g_value_get_float (&value),
574 GParamSpecDouble *pdouble = G_PARAM_SPEC_DOUBLE (param);
576 n_print ("%sDouble%s. %sRange%s: %s%15.7g - %15.7g%s "
577 "%sDefault%s: %s%15.7g%s ", DATATYPE_COLOR, RESET_COLOR,
578 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
579 pdouble->minimum, pdouble->maximum, RESET_COLOR,
580 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
581 g_value_get_double (&value), RESET_COLOR);
586 GST_ERROR ("%s: property '%s' of type char: consider changing to "
587 "int/string", G_OBJECT_CLASS_NAME (obj_class),
588 g_param_spec_get_name (param));
591 if (param->value_type == GST_TYPE_CAPS) {
592 const GstCaps *caps = gst_value_get_caps (&value);
595 n_print ("%sCaps%s (NULL)", DATATYPE_COLOR, RESET_COLOR);
597 print_caps (caps, " ");
599 } else if (G_IS_PARAM_SPEC_ENUM (param)) {
603 const gchar *value_nick = "";
605 values = G_ENUM_CLASS (g_type_class_ref (param->value_type))->values;
606 enum_value = g_value_get_enum (&value);
608 while (values[j].value_name) {
609 if (values[j].value == enum_value)
610 value_nick = values[j].value_nick;
614 n_print ("%sEnum \"%s\"%s %sDefault%s: %s%d, \"%s\"%s",
615 DATATYPE_COLOR, g_type_name (G_VALUE_TYPE (&value)), RESET_COLOR,
616 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
617 enum_value, value_nick, RESET_COLOR);
620 while (values[j].value_name) {
622 n_print (" %s(%d)%s: %s%-16s%s - %s%s%s",
623 PROP_ATTR_NAME_COLOR, values[j].value, RESET_COLOR,
624 PROP_ATTR_VALUE_COLOR, values[j].value_nick, RESET_COLOR,
625 DESC_COLOR, values[j].value_name, RESET_COLOR);
628 /* g_type_class_unref (ec); */
629 } else if (G_IS_PARAM_SPEC_FLAGS (param)) {
630 GParamSpecFlags *pflags = G_PARAM_SPEC_FLAGS (param);
634 vals = pflags->flags_class->values;
636 cur = flags_to_string (vals, g_value_get_flags (&value));
638 n_print ("%sFlags \"%s\"%s %sDefault%s: %s0x%08x, \"%s\"%s",
639 DATATYPE_COLOR, g_type_name (G_VALUE_TYPE (&value)), RESET_COLOR,
640 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
641 g_value_get_flags (&value), cur, RESET_COLOR);
643 while (vals[0].value_name) {
645 n_print (" %s(0x%08x)%s: %s%-16s%s - %s%s%s",
646 PROP_ATTR_NAME_COLOR, vals[0].value, RESET_COLOR,
647 PROP_ATTR_VALUE_COLOR, vals[0].value_nick, RESET_COLOR,
648 DESC_COLOR, vals[0].value_name, RESET_COLOR);
653 } else if (G_IS_PARAM_SPEC_OBJECT (param)) {
654 n_print ("%sObject of type%s %s\"%s\"%s", PROP_VALUE_COLOR,
655 RESET_COLOR, DATATYPE_COLOR,
656 g_type_name (param->value_type), RESET_COLOR);
657 } else if (G_IS_PARAM_SPEC_BOXED (param)) {
658 n_print ("%sBoxed pointer of type%s %s\"%s\"%s", PROP_VALUE_COLOR,
659 RESET_COLOR, DATATYPE_COLOR,
660 g_type_name (param->value_type), RESET_COLOR);
661 if (param->value_type == GST_TYPE_STRUCTURE) {
662 const GstStructure *s = gst_value_get_structure (&value);
665 gst_structure_foreach (s, print_field,
669 } else if (G_IS_PARAM_SPEC_POINTER (param)) {
670 if (param->value_type != G_TYPE_POINTER) {
671 n_print ("%sPointer of type%s %s\"%s\"%s.", PROP_VALUE_COLOR,
672 RESET_COLOR, DATATYPE_COLOR, g_type_name (param->value_type),
675 n_print ("%sPointer.%s", PROP_VALUE_COLOR, RESET_COLOR);
677 } else if (param->value_type == G_TYPE_VALUE_ARRAY) {
678 GParamSpecValueArray *pvarray = G_PARAM_SPEC_VALUE_ARRAY (param);
680 if (pvarray->element_spec) {
681 n_print ("%sArray of GValues of type%s %s\"%s\"%s",
682 PROP_VALUE_COLOR, RESET_COLOR, DATATYPE_COLOR,
683 g_type_name (pvarray->element_spec->value_type), RESET_COLOR);
685 n_print ("%sArray of GValues%s", PROP_VALUE_COLOR, RESET_COLOR);
687 } else if (GST_IS_PARAM_SPEC_FRACTION (param)) {
688 GstParamSpecFraction *pfraction = GST_PARAM_SPEC_FRACTION (param);
690 n_print ("%sFraction%s. %sRange%s: %s%d/%d - %d/%d%s "
691 "%sDefault%s: %s%d/%d%s ", DATATYPE_COLOR, RESET_COLOR,
692 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
693 pfraction->min_num, pfraction->min_den, pfraction->max_num,
694 pfraction->max_den, RESET_COLOR, PROP_ATTR_NAME_COLOR,
695 RESET_COLOR, PROP_ATTR_VALUE_COLOR,
696 gst_value_get_fraction_numerator (&value),
697 gst_value_get_fraction_denominator (&value), RESET_COLOR);
698 } else if (param->value_type == GST_TYPE_ARRAY) {
699 GstParamSpecArray *parray = GST_PARAM_SPEC_ARRAY_LIST (param);
701 if (parray->element_spec) {
702 n_print ("%sGstValueArray of GValues of type%s %s\"%s\"%s",
703 PROP_VALUE_COLOR, RESET_COLOR, DATATYPE_COLOR,
704 g_type_name (parray->element_spec->value_type), RESET_COLOR);
706 n_print ("%sGstValueArray of GValues%s", PROP_VALUE_COLOR,
710 n_print ("%sUnknown type %ld%s %s\"%s\"%s", PROP_VALUE_COLOR,
711 (glong) param->value_type, RESET_COLOR, DATATYPE_COLOR,
712 g_type_name (param->value_type), RESET_COLOR);
717 g_print (" %sWrite only%s\n", PROP_VALUE_COLOR, RESET_COLOR);
723 g_value_reset (&value);
725 if (num_properties == 0)
726 n_print ("%snone%s\n", PROP_VALUE_COLOR, RESET_COLOR);
730 g_free (property_specs);
734 print_element_properties_info (GstElement * element)
737 print_object_properties_info (G_OBJECT (element),
738 G_OBJECT_GET_CLASS (element), "Element Properties");
742 gst_static_pad_compare_func (gconstpointer p1, gconstpointer p2)
744 GstStaticPadTemplate *pt1, *pt2;
746 pt1 = (GstStaticPadTemplate *) p1;
747 pt2 = (GstStaticPadTemplate *) p2;
749 return strcmp (pt1->name_template, pt2->name_template);
754 print_pad_templates_info (GstElement * element, GstElementFactory * factory)
757 GstStaticPadTemplate *padtemplate;
758 GstPadTemplate *tmpl;
760 n_print ("%sPad Templates%s:\n", HEADING_COLOR, RESET_COLOR);
764 if (gst_element_factory_get_num_pad_templates (factory) == 0) {
765 n_print ("%snone%s\n", PROP_VALUE_COLOR, RESET_COLOR);
769 pads = g_list_copy ((GList *)
770 gst_element_factory_get_static_pad_templates (factory));
771 pads = g_list_sort (pads, gst_static_pad_compare_func);
773 padtemplate = (GstStaticPadTemplate *) (pads->data);
774 pads = g_list_next (pads);
776 if (padtemplate->direction == GST_PAD_SRC)
777 n_print ("%sSRC template%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
778 PROP_VALUE_COLOR, padtemplate->name_template, RESET_COLOR);
779 else if (padtemplate->direction == GST_PAD_SINK)
780 n_print ("%sSINK template%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
781 PROP_VALUE_COLOR, padtemplate->name_template, RESET_COLOR);
783 n_print ("%sUNKNOWN template%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
784 PROP_VALUE_COLOR, padtemplate->name_template, RESET_COLOR);
788 if (padtemplate->presence == GST_PAD_ALWAYS)
789 n_print ("%sAvailability%s: %sAlways%s\n", PROP_NAME_COLOR, RESET_COLOR,
790 PROP_VALUE_COLOR, RESET_COLOR);
791 else if (padtemplate->presence == GST_PAD_SOMETIMES)
792 n_print ("%sAvailability%s: %sSometimes%s\n", PROP_NAME_COLOR,
793 RESET_COLOR, PROP_VALUE_COLOR, RESET_COLOR);
794 else if (padtemplate->presence == GST_PAD_REQUEST) {
795 n_print ("%sAvailability%s: %sOn request%s\n", PROP_NAME_COLOR,
796 RESET_COLOR, PROP_VALUE_COLOR, RESET_COLOR);
798 n_print ("%sAvailability%s: %sUNKNOWN%s\n", PROP_NAME_COLOR, RESET_COLOR,
799 PROP_VALUE_COLOR, RESET_COLOR);
801 if (padtemplate->static_caps.string) {
802 GstCaps *caps = gst_static_caps_get (&padtemplate->static_caps);
804 n_print ("%sCapabilities%s:\n", PROP_NAME_COLOR, RESET_COLOR);
807 print_caps (caps, ""); // FIXME
810 gst_caps_unref (caps);
813 tmpl = gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS (element),
814 padtemplate->name_template);
816 GType pad_type = GST_PAD_TEMPLATE_GTYPE (tmpl);
818 if (pad_type != G_TYPE_NONE && pad_type != GST_TYPE_PAD) {
821 pad_klass = g_type_class_ref (pad_type);
822 n_print ("%sType%s: %s%s%s\n", PROP_NAME_COLOR, RESET_COLOR,
823 DATATYPE_COLOR, g_type_name (pad_type), RESET_COLOR);
824 print_object_properties_info (NULL, pad_klass, "Pad Properties");
825 g_type_class_unref (pad_klass);
840 print_clocking_info (GstElement * element)
842 gboolean requires_clock, provides_clock;
845 GST_OBJECT_FLAG_IS_SET (element, GST_ELEMENT_FLAG_REQUIRE_CLOCK);
847 GST_OBJECT_FLAG_IS_SET (element, GST_ELEMENT_FLAG_PROVIDE_CLOCK);
849 if (!requires_clock && !provides_clock) {
851 n_print ("%sElement has no clocking capabilities.%s\n", DESC_COLOR,
857 n_print ("%sClocking Interaction%s:\n", PROP_NAME_COLOR, RESET_COLOR);
861 if (requires_clock) {
862 n_print ("%selement requires a clock%s\n", PROP_VALUE_COLOR, RESET_COLOR);
865 if (provides_clock) {
868 clock = gst_element_get_clock (element);
870 n_print ("%selement provides a clock%s: %s%s%s\n", PROP_VALUE_COLOR,
871 RESET_COLOR, DATATYPE_COLOR, GST_OBJECT_NAME (clock), RESET_COLOR);
872 gst_object_unref (clock);
874 n_print ("%selement is supposed to provide a clock but returned NULL%s\n",
875 PROP_VALUE_COLOR, RESET_COLOR);
882 print_uri_handler_info (GstElement * element)
884 if (GST_IS_URI_HANDLER (element)) {
885 const gchar *const *uri_protocols;
886 const gchar *uri_type;
888 if (gst_uri_handler_get_uri_type (GST_URI_HANDLER (element)) == GST_URI_SRC)
890 else if (gst_uri_handler_get_uri_type (GST_URI_HANDLER (element)) ==
894 uri_type = "unknown";
896 uri_protocols = gst_uri_handler_get_protocols (GST_URI_HANDLER (element));
899 n_print ("%sURI handling capabilities:%s\n", HEADING_COLOR, RESET_COLOR);
903 n_print ("%sElement can act as %s.%s\n", DESC_COLOR, uri_type, RESET_COLOR);
905 if (uri_protocols && *uri_protocols) {
906 n_print ("%sSupported URI protocols%s:\n", DESC_COLOR, RESET_COLOR);
908 for (; *uri_protocols != NULL; uri_protocols++)
909 n_print ("%s%s%s\n", PROP_ATTR_VALUE_COLOR, *uri_protocols,
913 n_print ("%sNo supported URI protocols%s\n", PROP_VALUE_COLOR,
919 n_print ("%sElement has no URI handling capabilities.%s\n", DESC_COLOR,
925 print_pad_info (GstElement * element)
931 n_print ("%sPads:%s\n", HEADING_COLOR, RESET_COLOR);
935 if (!element->numpads) {
936 n_print ("%snone%s\n", PROP_VALUE_COLOR, RESET_COLOR);
940 pads = element->pads;
945 pad = GST_PAD (pads->data);
946 pads = g_list_next (pads);
948 name = gst_pad_get_name (pad);
949 if (gst_pad_get_direction (pad) == GST_PAD_SRC)
950 n_print ("%sSRC%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
951 PROP_VALUE_COLOR, name, RESET_COLOR);
952 else if (gst_pad_get_direction (pad) == GST_PAD_SINK)
953 n_print ("%sSINK%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
954 PROP_VALUE_COLOR, name, RESET_COLOR);
956 n_print ("%sUNKNOWN%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
957 PROP_VALUE_COLOR, name, RESET_COLOR);
961 if (pad->padtemplate) {
963 n_print ("%sPad Template%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
964 PROP_VALUE_COLOR, pad->padtemplate->name_template, RESET_COLOR);
968 caps = gst_pad_get_current_caps (pad);
970 n_print ("%sCapabilities:%s\n", PROP_NAME_COLOR, RESET_COLOR);
972 print_caps (caps, ""); // FIXME
974 gst_caps_unref (caps);
983 has_sometimes_template (GstElement * element)
985 GstElementClass *klass = GST_ELEMENT_GET_CLASS (element);
988 for (l = klass->padtemplates; l != NULL; l = l->next) {
989 if (GST_PAD_TEMPLATE (l->data)->presence == GST_PAD_SOMETIMES)
997 gtype_needs_ptr_marker (GType type)
999 if (type == G_TYPE_POINTER)
1002 if (G_TYPE_FUNDAMENTAL (type) == G_TYPE_POINTER || G_TYPE_IS_BOXED (type)
1003 || G_TYPE_IS_OBJECT (type))
1010 print_signal_info (GstElement * element)
1012 /* Signals/Actions Block */
1016 GSignalQuery *query = NULL;
1018 GSList *found_signals, *l;
1020 for (k = 0; k < 2; k++) {
1021 found_signals = NULL;
1023 /* For elements that have sometimes pads, also list a few useful GstElement
1024 * signals. Put these first, so element-specific ones come later. */
1025 if (k == 0 && has_sometimes_template (element)) {
1026 query = g_new0 (GSignalQuery, 1);
1027 g_signal_query (g_signal_lookup ("pad-added", GST_TYPE_ELEMENT), query);
1028 found_signals = g_slist_append (found_signals, query);
1029 query = g_new0 (GSignalQuery, 1);
1030 g_signal_query (g_signal_lookup ("pad-removed", GST_TYPE_ELEMENT), query);
1031 found_signals = g_slist_append (found_signals, query);
1032 query = g_new0 (GSignalQuery, 1);
1033 g_signal_query (g_signal_lookup ("no-more-pads", GST_TYPE_ELEMENT),
1035 found_signals = g_slist_append (found_signals, query);
1038 for (type = G_OBJECT_TYPE (element); type; type = g_type_parent (type)) {
1039 if (type == GST_TYPE_ELEMENT || type == GST_TYPE_OBJECT)
1042 if (type == GST_TYPE_BIN && G_OBJECT_TYPE (element) != GST_TYPE_BIN)
1045 signals = g_signal_list_ids (type, &nsignals);
1046 for (i = 0; i < nsignals; i++) {
1047 query = g_new0 (GSignalQuery, 1);
1048 g_signal_query (signals[i], query);
1050 if ((k == 0 && !(query->signal_flags & G_SIGNAL_ACTION)) ||
1051 (k == 1 && (query->signal_flags & G_SIGNAL_ACTION)))
1052 found_signals = g_slist_append (found_signals, query);
1060 if (found_signals) {
1063 n_print ("%sElement Signals%s:\n", HEADING_COLOR, RESET_COLOR);
1065 n_print ("%sElement Actions%s:\n", HEADING_COLOR, RESET_COLOR);
1070 for (l = found_signals; l; l = l->next) {
1075 query = (GSignalQuery *) l->data;
1076 indent_len = strlen (query->signal_name) +
1077 strlen (g_type_name (query->return_type)) + 24;
1079 if (gtype_needs_ptr_marker (query->return_type)) {
1086 indent = g_new0 (gchar, indent_len + 1);
1087 memset (indent, ' ', indent_len);
1089 n_print (" %s\"%s\"%s : %s%s%s%suser_function%s (%s%s%s* object%s",
1090 PROP_NAME_COLOR, query->signal_name, RESET_COLOR,
1091 DATATYPE_COLOR, g_type_name (query->return_type), PROP_VALUE_COLOR,
1092 pmark, RESET_COLOR, DATATYPE_COLOR, g_type_name (type),
1093 PROP_VALUE_COLOR, RESET_COLOR);
1095 for (j = 0; j < query->n_params; j++) {
1096 const gchar *type_name, *asterisk;
1098 type_name = g_type_name (query->param_types[j]);
1099 asterisk = gtype_needs_ptr_marker (query->param_types[j]) ? "*" : "";
1102 n_print ("%s%s%s%s%s arg%d%s", indent, DATATYPE_COLOR, type_name,
1103 PROP_VALUE_COLOR, asterisk, j, RESET_COLOR);
1108 n_print ("%s%sgpointer %suser_data%s);\n", indent, DATATYPE_COLOR,
1109 PROP_VALUE_COLOR, RESET_COLOR);
1116 if (found_signals) {
1117 g_slist_foreach (found_signals, (GFunc) g_free, NULL);
1118 g_slist_free (found_signals);
1124 print_children_info (GstElement * element)
1128 if (!GST_IS_BIN (element))
1131 children = (GList *) GST_BIN (element)->children;
1134 n_print ("%sChildren%s:\n", HEADING_COLOR, RESET_COLOR);
1138 n_print (" %s%s%s\n", DATATYPE_COLOR,
1139 GST_ELEMENT_NAME (GST_ELEMENT (children->data)), RESET_COLOR);
1140 children = g_list_next (children);
1145 print_preset_list (GstElement * element)
1147 gchar **presets, **preset;
1149 if (!GST_IS_PRESET (element))
1152 presets = gst_preset_get_preset_names (GST_PRESET (element));
1153 if (presets && *presets) {
1155 n_print ("%sPresets%s:\n", HEADING_COLOR, RESET_COLOR);
1156 for (preset = presets; *preset; preset++) {
1157 gchar *comment = NULL;
1158 n_print (" \"%s\"", *preset);
1160 if (gst_preset_get_meta (GST_PRESET (element), *preset, "comment",
1161 &comment) && comment)
1162 g_print (": %s", comment);
1166 g_strfreev (presets);
1171 gst_plugin_name_compare_func (gconstpointer p1, gconstpointer p2)
1173 return strcmp (gst_plugin_get_name ((GstPlugin *) p1),
1174 gst_plugin_get_name ((GstPlugin *) p2));
1178 gst_plugin_feature_name_compare_func (gconstpointer p1, gconstpointer p2)
1180 return strcmp (GST_OBJECT_NAME (p1), GST_OBJECT_NAME (p2));
1184 print_blacklist (void)
1186 GList *plugins, *cur;
1189 g_print ("%s%s%s\n", HEADING_COLOR, _("Blacklisted files:"), RESET_COLOR);
1191 plugins = gst_registry_get_plugin_list (gst_registry_get ());
1192 if (sort_output == SORT_TYPE_NAME)
1193 plugins = g_list_sort (plugins, gst_plugin_name_compare_func);
1195 for (cur = plugins; cur != NULL; cur = g_list_next (cur)) {
1196 GstPlugin *plugin = (GstPlugin *) (cur->data);
1197 if (GST_OBJECT_FLAG_IS_SET (plugin, GST_PLUGIN_FLAG_BLACKLISTED)) {
1198 g_print (" %s\n", gst_plugin_get_name (plugin));
1204 g_print (_("%sTotal count%s: %s"), PROP_NAME_COLOR, RESET_COLOR,
1206 g_print (ngettext ("%d blacklisted file", "%d blacklisted files", count),
1208 g_print ("%s\n", RESET_COLOR);
1209 gst_plugin_list_free (plugins);
1213 print_typefind_extensions (const gchar * const *extensions, const gchar * color)
1217 while (extensions[i]) {
1218 g_print ("%s%s%s%s", i > 0 ? ", " : "", color, extensions[i], RESET_COLOR);
1224 print_element_list (gboolean print_all, gchar * ftypes)
1226 int plugincount = 0, featurecount = 0, blacklistcount = 0;
1227 GList *plugins, *orig_plugins;
1228 gchar **types = NULL;
1233 types = g_strsplit (ftypes, "/", -1);
1234 for (i = 0; types[i]; i++)
1235 *types[i] = g_ascii_toupper (*types[i]);
1239 orig_plugins = plugins = gst_registry_get_plugin_list (gst_registry_get ());
1240 if (sort_output == SORT_TYPE_NAME)
1241 plugins = g_list_sort (plugins, gst_plugin_name_compare_func);
1243 GList *features, *orig_features;
1246 plugin = (GstPlugin *) (plugins->data);
1247 plugins = g_list_next (plugins);
1250 if (GST_OBJECT_FLAG_IS_SET (plugin, GST_PLUGIN_FLAG_BLACKLISTED)) {
1255 orig_features = features =
1256 gst_registry_get_feature_list_by_plugin (gst_registry_get (),
1257 gst_plugin_get_name (plugin));
1258 if (sort_output == SORT_TYPE_NAME)
1259 features = g_list_sort (features, gst_plugin_feature_name_compare_func);
1261 GstPluginFeature *feature;
1263 if (G_UNLIKELY (features->data == NULL))
1265 feature = GST_PLUGIN_FEATURE (features->data);
1268 if (GST_IS_ELEMENT_FACTORY (feature)) {
1270 GstElementFactory *factory;
1272 factory = GST_ELEMENT_FACTORY (feature);
1275 gboolean all_found = TRUE;
1278 gst_element_factory_get_metadata (factory,
1279 GST_ELEMENT_METADATA_KLASS);
1280 for (i = 0; types[i]; i++) {
1281 if (!strstr (klass, types[i])) {
1291 print_element_info (feature, TRUE);
1293 g_print ("%s%s%s: %s%s%s: %s%s%s\n", PLUGIN_NAME_COLOR,
1294 gst_plugin_get_name (plugin), RESET_COLOR, ELEMENT_NAME_COLOR,
1295 GST_OBJECT_NAME (factory), RESET_COLOR, ELEMENT_DETAIL_COLOR,
1296 gst_element_factory_get_metadata (factory,
1297 GST_ELEMENT_METADATA_LONGNAME), RESET_COLOR);
1298 } else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
1299 GstTypeFindFactory *factory;
1300 const gchar *const *extensions;
1304 factory = GST_TYPE_FIND_FACTORY (feature);
1306 g_print ("%s%s%s: %s%s%s: ", PLUGIN_NAME_COLOR,
1307 gst_plugin_get_name (plugin), RESET_COLOR, ELEMENT_NAME_COLOR,
1308 gst_plugin_feature_get_name (feature), RESET_COLOR);
1310 extensions = gst_type_find_factory_get_extensions (factory);
1311 if (extensions != NULL) {
1313 print_typefind_extensions (extensions, ELEMENT_DETAIL_COLOR);
1318 g_print ("%sno extensions%s\n", ELEMENT_DETAIL_COLOR, RESET_COLOR);
1324 n_print ("%s%s%s: %s%s%s (%s%s%s)\n", PLUGIN_NAME_COLOR,
1325 gst_plugin_get_name (plugin), RESET_COLOR, ELEMENT_NAME_COLOR,
1326 GST_OBJECT_NAME (feature), RESET_COLOR, ELEMENT_DETAIL_COLOR,
1327 g_type_name (G_OBJECT_TYPE (feature)), RESET_COLOR);
1331 features = g_list_next (features);
1334 gst_plugin_feature_list_free (orig_features);
1337 gst_plugin_list_free (orig_plugins);
1341 g_print (_("%sTotal count%s: %s"), PROP_NAME_COLOR, RESET_COLOR,
1343 g_print (ngettext ("%d plugin", "%d plugins", plugincount), plugincount);
1344 if (blacklistcount) {
1346 g_print (ngettext ("%d blacklist entry", "%d blacklist entries",
1347 blacklistcount), blacklistcount);
1348 g_print (" not shown)");
1350 g_print ("%s, %s", RESET_COLOR, PROP_VALUE_COLOR);
1351 g_print (ngettext ("%d feature", "%d features", featurecount), featurecount);
1352 g_print ("%s\n", RESET_COLOR);
1356 print_all_uri_handlers (void)
1358 GList *plugins, *p, *features, *f;
1360 plugins = gst_registry_get_plugin_list (gst_registry_get ());
1361 if (sort_output == SORT_TYPE_NAME)
1362 plugins = g_list_sort (plugins, gst_plugin_name_compare_func);
1363 for (p = plugins; p; p = p->next) {
1364 GstPlugin *plugin = (GstPlugin *) (p->data);
1367 gst_registry_get_feature_list_by_plugin (gst_registry_get (),
1368 gst_plugin_get_name (plugin));
1369 if (sort_output == SORT_TYPE_NAME)
1370 features = g_list_sort (features, gst_plugin_feature_name_compare_func);
1371 for (f = features; f; f = f->next) {
1372 GstPluginFeature *feature = GST_PLUGIN_FEATURE (f->data);
1374 if (GST_IS_ELEMENT_FACTORY (feature)) {
1375 GstElementFactory *factory;
1376 GstElement *element;
1378 factory = GST_ELEMENT_FACTORY (gst_plugin_feature_load (feature));
1380 g_print ("element plugin %s couldn't be loaded\n",
1381 gst_plugin_get_name (plugin));
1385 element = gst_element_factory_create (factory, NULL);
1387 g_print ("couldn't construct element for %s for some reason\n",
1388 GST_OBJECT_NAME (factory));
1389 gst_object_unref (factory);
1393 if (GST_IS_URI_HANDLER (element)) {
1394 const gchar *const *uri_protocols;
1395 const gchar *const *protocol;
1398 switch (gst_uri_handler_get_uri_type (GST_URI_HANDLER (element))) {
1410 g_print ("%s%s%s (%s%s%s, %srank %u%s): ",
1412 gst_plugin_feature_get_name (GST_PLUGIN_FEATURE (factory)),
1413 RESET_COLOR, FEATURE_DIR_COLOR, dir, RESET_COLOR,
1415 gst_plugin_feature_get_rank (GST_PLUGIN_FEATURE (factory)),
1419 gst_uri_handler_get_protocols (GST_URI_HANDLER (element));
1420 for (protocol = uri_protocols; *protocol != NULL; protocol++) {
1421 if (protocol != uri_protocols)
1423 g_print ("%s%s%s", FEATURE_PROTO_COLOR, *protocol, RESET_COLOR);
1428 gst_object_unref (element);
1429 gst_object_unref (factory);
1433 gst_plugin_feature_list_free (features);
1436 gst_plugin_list_free (plugins);
1440 print_plugin_info (GstPlugin * plugin)
1442 const gchar *release_date = gst_plugin_get_release_date_string (plugin);
1443 const gchar *filename = gst_plugin_get_filename (plugin);
1445 n_print ("%sPlugin Details%s:\n", HEADING_COLOR, RESET_COLOR);
1449 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "Name", RESET_COLOR,
1450 PROP_VALUE_COLOR, gst_plugin_get_name (plugin), RESET_COLOR);
1451 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "Description", RESET_COLOR,
1452 PROP_VALUE_COLOR, gst_plugin_get_description (plugin), RESET_COLOR);
1453 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "Filename", RESET_COLOR,
1454 PROP_VALUE_COLOR, (filename != NULL) ? filename : "(null)", RESET_COLOR);
1455 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "Version", RESET_COLOR,
1456 PROP_VALUE_COLOR, gst_plugin_get_version (plugin), RESET_COLOR);
1457 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "License", RESET_COLOR,
1458 PROP_VALUE_COLOR, gst_plugin_get_license (plugin), RESET_COLOR);
1459 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "Source module", RESET_COLOR,
1460 PROP_VALUE_COLOR, gst_plugin_get_source (plugin), RESET_COLOR);
1462 if (release_date != NULL) {
1463 const gchar *tz = "(UTC)";
1466 /* may be: YYYY-MM-DD or YYYY-MM-DDTHH:MMZ */
1467 /* YYYY-MM-DDTHH:MMZ => YYYY-MM-DD HH:MM (UTC) */
1468 str = g_strdup (release_date);
1469 sep = strstr (str, "T");
1472 sep = strstr (sep + 1, "Z");
1478 n_print ("%s%-25s%s%s%s%s%s\n", PROP_NAME_COLOR, "Source release date",
1479 RESET_COLOR, PROP_VALUE_COLOR, str, tz, RESET_COLOR);
1482 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "Binary package", RESET_COLOR,
1483 PROP_VALUE_COLOR, gst_plugin_get_package (plugin), RESET_COLOR);
1484 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "Origin URL", RESET_COLOR,
1485 PROP_VALUE_COLOR, gst_plugin_get_origin (plugin), RESET_COLOR);
1493 print_plugin_features (GstPlugin * plugin)
1495 GList *features, *origlist;
1496 gint num_features = 0;
1497 gint num_elements = 0;
1498 gint num_tracers = 0;
1499 gint num_typefinders = 0;
1500 gint num_devproviders = 0;
1503 origlist = features =
1504 gst_registry_get_feature_list_by_plugin (gst_registry_get (),
1505 gst_plugin_get_name (plugin));
1506 if (sort_output == SORT_TYPE_NAME)
1507 features = g_list_sort (features, gst_plugin_feature_name_compare_func);
1509 GstPluginFeature *feature;
1511 feature = GST_PLUGIN_FEATURE (features->data);
1513 if (GST_IS_ELEMENT_FACTORY (feature)) {
1514 GstElementFactory *factory;
1516 factory = GST_ELEMENT_FACTORY (feature);
1517 n_print (" %s%s%s: %s%s%s\n", ELEMENT_NAME_COLOR,
1518 GST_OBJECT_NAME (factory), RESET_COLOR, ELEMENT_DETAIL_COLOR,
1519 gst_element_factory_get_metadata (factory,
1520 GST_ELEMENT_METADATA_LONGNAME), RESET_COLOR);
1522 } else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
1523 GstTypeFindFactory *factory;
1524 const gchar *const *extensions;
1526 factory = GST_TYPE_FIND_FACTORY (feature);
1527 extensions = gst_type_find_factory_get_extensions (factory);
1529 g_print (" %s%s%s: ", ELEMENT_NAME_COLOR,
1530 gst_plugin_feature_get_name (feature), RESET_COLOR);
1531 print_typefind_extensions (extensions, ELEMENT_DETAIL_COLOR);
1534 g_print (" %s%s%s: %sno extensions%s\n", ELEMENT_NAME_COLOR,
1535 gst_plugin_feature_get_name (feature), RESET_COLOR,
1536 ELEMENT_DETAIL_COLOR, RESET_COLOR);
1539 } else if (GST_IS_DEVICE_PROVIDER_FACTORY (feature)) {
1540 GstDeviceProviderFactory *factory;
1542 factory = GST_DEVICE_PROVIDER_FACTORY (feature);
1543 n_print (" %s%s%s: %s%s%s\n", ELEMENT_NAME_COLOR,
1544 GST_OBJECT_NAME (factory), RESET_COLOR, ELEMENT_DETAIL_COLOR,
1545 gst_device_provider_factory_get_metadata (factory,
1546 GST_ELEMENT_METADATA_LONGNAME), RESET_COLOR);
1548 } else if (GST_IS_TRACER_FACTORY (feature)) {
1549 n_print (" %s%s%s (%s%s%s)\n", ELEMENT_NAME_COLOR,
1550 gst_object_get_name (GST_OBJECT (feature)), RESET_COLOR,
1551 DATATYPE_COLOR, g_type_name (G_OBJECT_TYPE (feature)), RESET_COLOR);
1553 } else if (feature) {
1554 n_print (" %s%s%s (%s%s%s)\n", ELEMENT_NAME_COLOR,
1555 gst_object_get_name (GST_OBJECT (feature)), RESET_COLOR,
1556 DATATYPE_COLOR, g_type_name (G_OBJECT_TYPE (feature)), RESET_COLOR);
1560 features = g_list_next (features);
1563 gst_plugin_feature_list_free (origlist);
1566 n_print (" %s%d features%s:\n", HEADING_COLOR, num_features, RESET_COLOR);
1567 if (num_elements > 0)
1568 n_print (" %s+--%s %s%d elements%s\n", CHILD_LINK_COLOR, RESET_COLOR,
1569 PLUGIN_FEATURE_COLOR, num_elements, RESET_COLOR);
1570 if (num_typefinders > 0)
1571 n_print (" %s+--%s %s%d typefinders%s\n", CHILD_LINK_COLOR, RESET_COLOR,
1572 PLUGIN_FEATURE_COLOR, num_typefinders, RESET_COLOR);
1573 if (num_devproviders > 0)
1574 n_print (" %s+--%s %s%d device providers%s\n", CHILD_LINK_COLOR,
1575 RESET_COLOR, PLUGIN_FEATURE_COLOR, num_devproviders, RESET_COLOR);
1576 if (num_tracers > 0)
1577 n_print (" %s+--%s %s%d tracers%s\n", CHILD_LINK_COLOR, RESET_COLOR,
1578 PLUGIN_FEATURE_COLOR, num_tracers, RESET_COLOR);
1580 n_print (" %s+--%s %s%d other objects%s\n", CHILD_LINK_COLOR, RESET_COLOR,
1581 PLUGIN_FEATURE_COLOR, num_other, RESET_COLOR);
1587 print_feature_info (const gchar * feature_name, gboolean print_all)
1589 GstPluginFeature *feature;
1590 GstRegistry *registry = gst_registry_get ();
1593 if ((feature = gst_registry_find_feature (registry, feature_name,
1594 GST_TYPE_ELEMENT_FACTORY))) {
1595 ret = print_element_info (feature, print_all);
1598 if ((feature = gst_registry_find_feature (registry, feature_name,
1599 GST_TYPE_TYPE_FIND_FACTORY))) {
1600 ret = print_typefind_info (feature, print_all);
1603 if ((feature = gst_registry_find_feature (registry, feature_name,
1604 GST_TYPE_TRACER_FACTORY))) {
1605 ret = print_tracer_info (feature, print_all);
1609 /* TODO: handle DEVICE_PROVIDER_FACTORY */
1614 gst_object_unref (feature);
1619 print_element_info (GstPluginFeature * feature, gboolean print_names)
1621 GstElementFactory *factory;
1622 GstElement *element;
1626 factory = GST_ELEMENT_FACTORY (gst_plugin_feature_load (feature));
1628 g_print ("%selement plugin couldn't be loaded%s\n", DESC_COLOR,
1633 element = gst_element_factory_create (factory, NULL);
1635 gst_object_unref (factory);
1636 g_print ("%scouldn't construct element for some reason%s\n", DESC_COLOR,
1643 g_strdup_printf ("%s%s%s: ", DATATYPE_COLOR, GST_OBJECT_NAME (factory),
1648 print_factory_details_info (factory);
1650 plugin = gst_plugin_feature_get_plugin (GST_PLUGIN_FEATURE (factory));
1652 print_plugin_info (plugin);
1653 gst_object_unref (plugin);
1656 print_hierarchy (G_OBJECT_TYPE (element), 0, &maxlevel);
1657 print_interfaces (G_OBJECT_TYPE (element));
1659 print_pad_templates_info (element, factory);
1660 print_clocking_info (element);
1661 print_uri_handler_info (element);
1662 print_pad_info (element);
1663 print_element_properties_info (element);
1664 print_signal_info (element);
1665 print_children_info (element);
1666 print_preset_list (element);
1668 gst_object_unref (element);
1669 gst_object_unref (factory);
1675 print_typefind_info (GstPluginFeature * feature, gboolean print_names)
1677 GstTypeFindFactory *factory;
1682 const gchar *const *extensions;
1684 factory = GST_TYPE_FIND_FACTORY (gst_plugin_feature_load (feature));
1686 g_print ("%stypefind plugin couldn't be loaded%s\n", DESC_COLOR,
1693 g_strdup_printf ("%s%s%s: ", DATATYPE_COLOR, GST_OBJECT_NAME (factory),
1698 n_print ("%sFactory Details%s:\n", HEADING_COLOR, RESET_COLOR);
1699 rank = gst_plugin_feature_get_rank (feature);
1700 n_print (" %s%-25s%s%s (%d)%s\n", PROP_NAME_COLOR, "Rank", PROP_VALUE_COLOR,
1701 get_rank_name (s, rank), rank, RESET_COLOR);
1702 n_print (" %s%-25s%s%s%s\n", PROP_NAME_COLOR, "Name", PROP_VALUE_COLOR,
1703 GST_OBJECT_NAME (factory), RESET_COLOR);
1704 caps = gst_type_find_factory_get_caps (factory);
1706 gchar *caps_str = gst_caps_to_string (factory->caps);
1708 n_print (" %s%-25s%s%s%s\n", PROP_NAME_COLOR, "Caps", PROP_VALUE_COLOR,
1709 caps_str, RESET_COLOR);
1712 extensions = gst_type_find_factory_get_extensions (factory);
1714 n_print (" %s%-25s%s", PROP_NAME_COLOR, "Extensions", RESET_COLOR);
1715 print_typefind_extensions (extensions, PROP_VALUE_COLOR);
1720 plugin = gst_plugin_feature_get_plugin (GST_PLUGIN_FEATURE (factory));
1722 print_plugin_info (plugin);
1723 gst_object_unref (plugin);
1726 gst_object_unref (factory);
1732 print_tracer_info (GstPluginFeature * feature, gboolean print_names)
1734 GstTracerFactory *factory;
1739 factory = GST_TRACER_FACTORY (gst_plugin_feature_load (feature));
1741 g_print ("%stracer plugin couldn't be loaded%s\n", DESC_COLOR, RESET_COLOR);
1745 tracer = (GstTracer *) g_object_new (factory->type, NULL);
1747 gst_object_unref (factory);
1748 g_print ("%scouldn't construct tracer for some reason%s\n", DESC_COLOR,
1755 g_strdup_printf ("%s%s%s: ", DATATYPE_COLOR, GST_OBJECT_NAME (factory),
1760 n_print ("%sFactory Details%s:\n", HEADING_COLOR, RESET_COLOR);
1761 n_print (" %s%-25s%s%s%s\n", PROP_NAME_COLOR, "Name", PROP_VALUE_COLOR,
1762 GST_OBJECT_NAME (factory), RESET_COLOR);
1765 plugin = gst_plugin_feature_get_plugin (GST_PLUGIN_FEATURE (factory));
1767 print_plugin_info (plugin);
1768 gst_object_unref (plugin);
1771 print_hierarchy (G_OBJECT_TYPE (tracer), 0, &maxlevel);
1772 print_interfaces (G_OBJECT_TYPE (tracer));
1774 /* TODO: list what hooks it registers
1775 * - the data is available in gsttracerutils, we need to iterate the
1776 * _priv_tracers hashtable for each probe and then check the list of hooks
1777 * for each probe whether hook->tracer == tracer :/
1780 /* TODO: list what records it emits
1781 * - in class_init tracers can create GstTracerRecord instances
1782 * - those only get logged right now and there is no association with the
1783 * tracer that created them
1784 * - we'd need to add them to GstTracerFactory
1785 * gst_tracer_class_add_record (klass, record);
1786 * - needs work in gstregistrychunks to (de)serialize specs
1787 * - gst_tracer_register() would need to iterate the list of records and
1788 * copy the record->spec into the factory
1791 gst_object_unref (tracer);
1792 gst_object_unref (factory);
1797 /* NOTE: Not coloring output from automatic install functions, as their output
1798 * is meant for machines, not humans.
1801 print_plugin_automatic_install_info_codecs (GstElementFactory * factory)
1803 GstPadDirection direction;
1804 const gchar *type_name;
1806 const GList *static_templates, *l;
1807 GstCaps *caps = NULL;
1811 gst_element_factory_get_metadata (factory, GST_ELEMENT_METADATA_KLASS);
1812 g_return_if_fail (klass != NULL);
1814 if (strstr (klass, "Demuxer") ||
1815 strstr (klass, "Decoder") ||
1816 strstr (klass, "Depay") || strstr (klass, "Parser")) {
1817 type_name = "decoder";
1818 direction = GST_PAD_SINK;
1819 } else if (strstr (klass, "Muxer") ||
1820 strstr (klass, "Encoder") || strstr (klass, "Pay")) {
1821 type_name = "encoder";
1822 direction = GST_PAD_SRC;
1827 /* decoder/demuxer sink pads should always be static and there should only
1828 * be one, the same applies to encoders/muxers and source pads */
1829 static_templates = gst_element_factory_get_static_pad_templates (factory);
1830 for (l = static_templates; l != NULL; l = l->next) {
1831 GstStaticPadTemplate *tmpl = NULL;
1833 tmpl = (GstStaticPadTemplate *) l->data;
1834 if (tmpl->direction == direction) {
1835 caps = gst_static_pad_template_get_caps (tmpl);
1841 g_printerr ("Couldn't find static pad template for %s '%s'\n",
1842 type_name, GST_OBJECT_NAME (factory));
1846 caps = gst_caps_make_writable (caps);
1847 num = gst_caps_get_size (caps);
1848 for (i = 0; i < num; ++i) {
1852 s = gst_caps_get_structure (caps, i);
1853 /* remove fields that are almost always just MIN-MAX of some sort
1854 * in order to make the caps look less messy */
1855 gst_structure_remove_field (s, "pixel-aspect-ratio");
1856 gst_structure_remove_field (s, "framerate");
1857 gst_structure_remove_field (s, "channels");
1858 gst_structure_remove_field (s, "width");
1859 gst_structure_remove_field (s, "height");
1860 gst_structure_remove_field (s, "rate");
1861 gst_structure_remove_field (s, "depth");
1862 gst_structure_remove_field (s, "clock-rate");
1863 s_str = gst_structure_to_string (s);
1864 g_print ("%s-%s\n", type_name, s_str);
1867 gst_caps_unref (caps);
1871 print_plugin_automatic_install_info_protocols (GstElementFactory * factory)
1873 const gchar *const *protocols;
1875 protocols = gst_element_factory_get_uri_protocols (factory);
1876 if (protocols != NULL && *protocols != NULL) {
1877 switch (gst_element_factory_get_uri_type (factory)) {
1879 while (*protocols != NULL) {
1880 g_print ("urisink-%s\n", *protocols);
1885 while (*protocols != NULL) {
1886 g_print ("urisource-%s\n", *protocols);
1897 print_plugin_automatic_install_info (GstPlugin * plugin)
1899 GList *features, *l;
1901 /* not interested in typefind factories, only element factories */
1902 features = gst_registry_get_feature_list (gst_registry_get (),
1903 GST_TYPE_ELEMENT_FACTORY);
1905 for (l = features; l != NULL; l = l->next) {
1906 GstPluginFeature *feature;
1907 GstPlugin *feature_plugin;
1909 feature = GST_PLUGIN_FEATURE (l->data);
1911 /* only interested in the ones that are in the plugin we just loaded */
1912 feature_plugin = gst_plugin_feature_get_plugin (feature);
1913 if (feature_plugin == plugin) {
1914 GstElementFactory *factory;
1916 g_print ("element-%s\n", gst_plugin_feature_get_name (feature));
1918 factory = GST_ELEMENT_FACTORY (feature);
1919 print_plugin_automatic_install_info_protocols (factory);
1920 print_plugin_automatic_install_info_codecs (factory);
1923 gst_object_unref (feature_plugin);
1926 g_list_foreach (features, (GFunc) gst_object_unref, NULL);
1927 g_list_free (features);
1931 print_all_plugin_automatic_install_info (void)
1933 GList *plugins, *orig_plugins;
1935 orig_plugins = plugins = gst_registry_get_plugin_list (gst_registry_get ());
1936 if (sort_output == SORT_TYPE_NAME)
1937 plugins = g_list_sort (plugins, gst_plugin_name_compare_func);
1941 plugin = (GstPlugin *) (plugins->data);
1942 plugins = g_list_next (plugins);
1944 print_plugin_automatic_install_info (plugin);
1946 gst_plugin_list_free (orig_plugins);
1951 redirect_stdout (void)
1953 GError *error = NULL;
1955 const gchar *pager, *less;
1959 pager = g_getenv ("PAGER");
1961 pager = DEFAULT_PAGER;
1963 argv = g_strsplit (pager, " ", 0);
1965 less = g_getenv ("GST_LESS");
1967 less = DEFAULT_LESS_OPTS;
1969 envp = g_get_environ ();
1970 envp = g_environ_setenv (envp, "LESS", less, TRUE);
1972 if (!g_spawn_async_with_pipes (NULL, argv, envp,
1973 G_SPAWN_DO_NOT_REAP_CHILD | G_SPAWN_SEARCH_PATH,
1974 NULL, NULL, &child_pid, &stdin_fd,
1975 /* pass null stdout/stderr to inherit our fds */
1976 NULL, NULL, &error)) {
1977 if (pager != DEFAULT_PAGER) {
1978 g_warning ("g_spawn_async_with_pipes() failed: %s\n",
1979 GST_STR_NULL (error->message));
1983 g_clear_error (&error);
1988 /* redirect our stdout to child stdin */
1989 dup2 (stdin_fd, STDOUT_FILENO);
1990 if (isatty (STDERR_FILENO))
1991 dup2 (stdin_fd, STDERR_FILENO);
2001 child_exit_cb (GPid child_pid, gint status, gpointer user_data)
2003 g_spawn_close_pid (child_pid);
2004 g_main_loop_quit (loop);
2009 _parse_sort_type (const gchar * option_name, const gchar * optarg,
2010 gpointer data, GError ** error)
2012 if (!g_strcmp0 (optarg, "name")) {
2013 sort_output = SORT_TYPE_NAME;
2015 } else if (!g_strcmp0 (optarg, "none")) {
2016 sort_output = SORT_TYPE_NONE;
2024 main (int argc, char *argv[])
2026 gboolean print_all = FALSE;
2027 gboolean do_print_blacklist = FALSE;
2028 gboolean plugin_name = FALSE;
2029 gboolean print_aii = FALSE;
2030 gboolean uri_handlers = FALSE;
2031 gboolean check_exists = FALSE;
2032 gboolean color_always = FALSE;
2033 gchar *min_version = NULL;
2034 guint minver_maj = GST_VERSION_MAJOR;
2035 guint minver_min = GST_VERSION_MINOR;
2036 guint minver_micro = 0;
2037 gchar *types = NULL;
2038 const gchar *no_colors;
2040 #ifndef GST_DISABLE_OPTION_PARSING
2041 GOptionEntry options[] = {
2042 {"print-all", 'a', 0, G_OPTION_ARG_NONE, &print_all,
2043 N_("Print all elements"), NULL},
2044 {"print-blacklist", 'b', 0, G_OPTION_ARG_NONE, &do_print_blacklist,
2045 N_("Print list of blacklisted files"), NULL},
2046 {"print-plugin-auto-install-info", '\0', 0, G_OPTION_ARG_NONE, &print_aii,
2047 N_("Print a machine-parsable list of features the specified plugin "
2048 "or all plugins provide.\n "
2049 "Useful in connection with external automatic plugin "
2050 "installation mechanisms"), NULL},
2051 {"plugin", '\0', 0, G_OPTION_ARG_NONE, &plugin_name,
2052 N_("List the plugin contents"), NULL},
2053 {"types", 't', 0, G_OPTION_ARG_STRING, &types,
2054 N_("A slashes ('/') separated list of types of elements (also known "
2055 "as klass) to list. (unordered)"), NULL},
2056 {"exists", '\0', 0, G_OPTION_ARG_NONE, &check_exists,
2057 N_("Check if the specified element or plugin exists"), NULL},
2058 {"atleast-version", '\0', 0, G_OPTION_ARG_STRING, &min_version,
2060 ("When checking if an element or plugin exists, also check that its "
2061 "version is at least the version specified"), NULL},
2062 {"uri-handlers", 'u', 0, G_OPTION_ARG_NONE, &uri_handlers,
2064 ("Print supported URI schemes, with the elements that implement them"),
2066 {"no-colors", '\0', G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE,
2069 ("Disable colors in output. You can also achieve the same by setting "
2070 "'GST_INSPECT_NO_COLORS' environment variable to any value."),
2072 {"sort", '\0', G_OPTION_ARG_NONE, G_OPTION_ARG_CALLBACK, &_parse_sort_type,
2073 "Sort plugins and features. Sorting keys: name (default), none.",
2076 {"color", 'C', 0, G_OPTION_ARG_NONE, &color_always,
2077 N_("Color output, even when not sending to a tty."),
2079 GST_TOOLS_GOPTION_VERSION,
2082 GOptionContext *ctx;
2086 setlocale (LC_ALL, "");
2089 bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
2090 bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
2091 textdomain (GETTEXT_PACKAGE);
2094 /* avoid glib warnings when inspecting deprecated properties */
2095 g_setenv ("G_ENABLE_DIAGNOSTIC", "0", FALSE);
2097 g_set_prgname ("gst-inspect-" GST_API_VERSION);
2099 #ifndef GST_DISABLE_OPTION_PARSING
2100 ctx = g_option_context_new ("[ELEMENT-NAME | PLUGIN-NAME]");
2101 g_option_context_add_main_entries (ctx, options, GETTEXT_PACKAGE);
2102 g_option_context_add_group (ctx, gst_init_get_option_group ());
2103 if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
2104 g_printerr ("Error initializing: %s\n", err->message);
2105 g_clear_error (&err);
2106 g_option_context_free (ctx);
2109 g_option_context_free (ctx);
2111 gst_init (&argc, &argv);
2114 gst_tools_print_version ();
2116 if (print_all && argc > 1) {
2117 g_printerr ("-a requires no extra arguments\n");
2121 if (uri_handlers && argc > 1) {
2122 g_printerr ("-u requires no extra arguments\n");
2126 /* --atleast-version implies --exists */
2127 if (min_version != NULL) {
2128 if (sscanf (min_version, "%u.%u.%u", &minver_maj, &minver_min,
2129 &minver_micro) < 2) {
2130 g_printerr ("Can't parse version '%s' passed to --atleast-version\n",
2132 g_free (min_version);
2135 g_free (min_version);
2136 check_exists = TRUE;
2141 g_printerr ("--exists requires an extra command line argument\n");
2145 GstPluginFeature *feature;
2147 feature = gst_registry_lookup_feature (gst_registry_get (), argv[1]);
2148 if (feature != NULL && gst_plugin_feature_check_version (feature,
2149 minver_maj, minver_min, minver_micro)) {
2156 gst_object_unref (feature);
2158 /* FIXME: support checking for plugins too */
2159 g_printerr ("Checking for plugins is not supported yet\n");
2166 no_colors = g_getenv ("GST_INSPECT_NO_COLORS");
2167 /* We only support truecolor */
2168 colored_output &= (no_colors == NULL);
2171 if (isatty (STDOUT_FILENO)) {
2172 if (redirect_stdout ())
2173 loop = g_main_loop_new (NULL, FALSE);
2175 colored_output = (color_always) ? TRUE : FALSE;
2177 #elif defined(G_OS_WIN32)
2179 /* g_log_writer_supports_color is available since 2.50.0 */
2180 gint fd = _fileno (stdout);
2181 /* On Windows 10, g_log_writer_supports_color will also setup the console
2182 * so that it correctly interprets ANSI VT sequences if it's supported */
2183 if (!_isatty (fd) || !g_log_writer_supports_color (fd))
2184 colored_output = FALSE;
2188 /* if no arguments, print out list of elements */
2190 print_all_uri_handlers ();
2191 } else if (argc == 1 || print_all) {
2192 if (do_print_blacklist)
2196 print_all_plugin_automatic_install_info ();
2198 print_element_list (print_all, types);
2201 /* else we try to get a factory */
2202 const char *arg = argv[argc - 1];
2206 retval = print_feature_info (arg, print_all);
2209 /* otherwise check if it's a plugin */
2211 GstPlugin *plugin = gst_registry_find_plugin (gst_registry_get (), arg);
2213 /* if there is such a plugin, print out info */
2216 print_plugin_automatic_install_info (plugin);
2218 print_plugin_info (plugin);
2219 print_plugin_features (plugin);
2222 GError *error = NULL;
2224 if (g_file_test (arg, G_FILE_TEST_EXISTS)) {
2225 plugin = gst_plugin_load_file (arg, &error);
2229 print_plugin_automatic_install_info (plugin);
2231 print_plugin_info (plugin);
2232 print_plugin_features (plugin);
2235 g_printerr (_("Could not load plugin file: %s\n"), error->message);
2236 g_clear_error (&error);
2241 g_printerr (_("No such element or plugin '%s'\n"), arg);
2255 /* So that the pipe we create in redirect_stdout() is closed */
2256 close (STDOUT_FILENO);
2257 close (STDERR_FILENO);
2258 g_child_watch_add (child_pid, child_exit_cb, NULL);
2259 g_main_loop_run (loop);
2260 g_main_loop_unref (loop);