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 static char *_name = NULL;
122 static int indent = 0;
124 static int print_element_info (GstPluginFeature * feature,
125 gboolean print_names);
126 static int print_typefind_info (GstPluginFeature * feature,
127 gboolean print_names);
128 static int print_tracer_info (GstPluginFeature * feature, gboolean print_names);
130 #define push_indent() push_indent_n(1)
131 #define pop_indent() push_indent_n(-1)
132 #define pop_indent_n(n) push_indent_n(-n)
135 push_indent_n (int n)
137 g_assert (n > 0 || indent > 0);
146 n_print (const char *format, ...)
153 g_print ("%s", _name);
155 for (i = 0; i < indent; ++i)
158 va_start (args, format);
159 str = gst_info_strdup_vprintf (format, args);
170 print_field (GQuark field, const GValue * value, gpointer pfx)
172 gchar *str = gst_value_serialize (value);
174 n_print ("%s %s%15s%s: %s%s%s\n",
175 (gchar *) pfx, FIELD_NAME_COLOR, g_quark_to_string (field), RESET_COLOR,
176 FIELD_VALUE_COLOR, str, RESET_COLOR);
182 print_caps (const GstCaps * caps, const gchar * pfx)
186 g_return_if_fail (caps != NULL);
188 if (gst_caps_is_any (caps)) {
189 n_print ("%s%sANY%s\n", CAPS_TYPE_COLOR, pfx, RESET_COLOR);
192 if (gst_caps_is_empty (caps)) {
193 n_print ("%s%sEMPTY%s\n", CAPS_TYPE_COLOR, pfx, RESET_COLOR);
197 for (i = 0; i < gst_caps_get_size (caps); i++) {
198 GstStructure *structure = gst_caps_get_structure (caps, i);
199 GstCapsFeatures *features = gst_caps_get_features (caps, i);
201 if (features && (gst_caps_features_is_any (features) ||
202 !gst_caps_features_is_equal (features,
203 GST_CAPS_FEATURES_MEMORY_SYSTEM_MEMORY))) {
204 gchar *features_string = gst_caps_features_to_string (features);
206 n_print ("%s%s%s%s(%s%s%s)\n", pfx, STRUCT_NAME_COLOR,
207 gst_structure_get_name (structure), RESET_COLOR,
208 CAPS_FEATURE_COLOR, features_string, RESET_COLOR);
209 g_free (features_string);
211 n_print ("%s%s%s%s\n", pfx, STRUCT_NAME_COLOR,
212 gst_structure_get_name (structure), RESET_COLOR);
214 gst_structure_foreach (structure, print_field, (gpointer) pfx);
219 get_rank_name (char *s, gint rank)
221 static const int ranks[4] = {
222 GST_RANK_NONE, GST_RANK_MARGINAL, GST_RANK_SECONDARY, GST_RANK_PRIMARY
224 static const char *rank_names[4] = { "none", "marginal", "secondary",
231 for (i = 0; i < 4; i++) {
232 if (rank == ranks[i])
233 return rank_names[i];
234 if (abs (rank - ranks[i]) < abs (rank - ranks[best_i])) {
239 sprintf (s, "%s %c %d", rank_names[best_i],
240 (rank - ranks[best_i] > 0) ? '+' : '-', abs (ranks[best_i] - rank));
246 print_factory_details_info (GstElementFactory * factory)
252 rank = gst_plugin_feature_get_rank (GST_PLUGIN_FEATURE (factory));
253 n_print ("%sFactory Details:%s\n", HEADING_COLOR, RESET_COLOR);
256 n_print ("%s%-25s%s%s (%d)%s\n", PROP_NAME_COLOR, "Rank", PROP_VALUE_COLOR,
257 get_rank_name (s, rank), rank, RESET_COLOR);
259 keys = gst_element_factory_get_metadata_keys (factory);
261 for (k = keys; *k != NULL; ++k) {
265 val = gst_element_factory_get_metadata (factory, key);
266 key[0] = g_ascii_toupper (key[0]);
267 n_print ("%s%-25s%s%s%s\n", PROP_NAME_COLOR, key, PROP_VALUE_COLOR, val,
277 print_hierarchy (GType type, gint level, gint * maxlevel)
282 parent = g_type_parent (type);
284 *maxlevel = *maxlevel + 1;
288 print_hierarchy (parent, level, maxlevel);
291 g_print ("%s%s%s", DATATYPE_COLOR, _name, RESET_COLOR);
293 for (i = 1; i < *maxlevel - level; i++)
295 if (*maxlevel - level)
296 g_print (" %s+----%s", CHILD_LINK_COLOR, RESET_COLOR);
298 g_print ("%s%s%s\n", DATATYPE_COLOR, g_type_name (type), RESET_COLOR);
305 print_interfaces (GType type)
308 GType *iface, *ifaces = g_type_interfaces (type, &n_ifaces);
312 n_print (_("%sImplemented Interfaces%s:\n"), HEADING_COLOR, RESET_COLOR);
316 n_print ("%s%s%s\n", DATATYPE_COLOR, g_type_name (*iface), RESET_COLOR);
327 flags_to_string (GFlagsValue * vals, guint flags)
332 /* first look for an exact match and count the number of values */
333 for (i = 0; vals[i].value_name != NULL; ++i) {
334 if (vals[i].value == flags)
335 return g_strdup (vals[i].value_nick);
338 s = g_string_new (NULL);
340 /* we assume the values are sorted from lowest to highest value */
344 if (vals[i].value != 0 && (flags_left & vals[i].value) == vals[i].value) {
346 g_string_append_c (s, '+');
347 g_string_append (s, vals[i].value_nick);
348 flags_left -= vals[i].value;
355 g_string_assign (s, "(none)");
357 return g_string_free (s, FALSE);
360 #define KNOWN_PARAM_FLAGS \
361 (G_PARAM_CONSTRUCT | G_PARAM_CONSTRUCT_ONLY | \
362 G_PARAM_LAX_VALIDATION | G_PARAM_STATIC_STRINGS | \
363 G_PARAM_READABLE | G_PARAM_WRITABLE | G_PARAM_DEPRECATED | \
364 GST_PARAM_CONTROLLABLE | GST_PARAM_MUTABLE_PLAYING | \
365 GST_PARAM_MUTABLE_PAUSED | GST_PARAM_MUTABLE_READY | \
366 GST_PARAM_CONDITIONALLY_AVAILABLE)
369 sort_gparamspecs (GParamSpec ** a, GParamSpec ** b)
371 return g_strcmp0 (g_param_spec_get_name (*a), g_param_spec_get_name (*b));
374 /* obj will be NULL if we're printing properties of pad template pads */
376 print_object_properties_info (GObject * obj, GObjectClass * obj_class,
379 GParamSpec **property_specs;
380 guint num_properties, i;
384 property_specs = g_object_class_list_properties (obj_class, &num_properties);
385 g_qsort_with_data (property_specs, num_properties, sizeof (gpointer),
386 (GCompareDataFunc) sort_gparamspecs, NULL);
388 n_print ("%s%s%s:\n", HEADING_COLOR, desc, RESET_COLOR);
392 for (i = 0; i < num_properties; i++) {
393 GValue value = { 0, };
394 GParamSpec *param = property_specs[i];
395 GType owner_type = param->owner_type;
397 /* We're printing pad properties */
398 if (obj == NULL && (owner_type == G_TYPE_OBJECT
399 || owner_type == GST_TYPE_OBJECT || owner_type == GST_TYPE_PAD))
402 g_value_init (&value, param->value_type);
404 n_print ("%s%-20s%s: %s%s%s\n", PROP_NAME_COLOR,
405 g_param_spec_get_name (param), RESET_COLOR, PROP_VALUE_COLOR,
406 g_param_spec_get_blurb (param), RESET_COLOR);
411 n_print ("%sflags%s: ", PROP_ATTR_NAME_COLOR, RESET_COLOR);
412 readable = ! !(param->flags & G_PARAM_READABLE);
413 if (readable && obj != NULL) {
414 g_object_get_property (obj, param->name, &value);
416 /* if we can't read the property value, assume it's set to the default
417 * (which might not be entirely true for sub-classes, but that's an
418 * unlikely corner-case anyway) */
419 g_param_value_set_default (param, &value);
422 g_print ("%s%s%s%s", (first_flag) ? "" : ", ", PROP_ATTR_VALUE_COLOR,
423 _("readable"), RESET_COLOR);
426 if (param->flags & G_PARAM_WRITABLE) {
427 g_print ("%s%s%s%s", (first_flag) ? "" : ", ", PROP_ATTR_VALUE_COLOR,
428 _("writable"), RESET_COLOR);
431 if (param->flags & G_PARAM_DEPRECATED) {
432 g_print ("%s%s%s%s", (first_flag) ? "" : ", ", PROP_ATTR_VALUE_COLOR,
433 _("deprecated"), RESET_COLOR);
436 if (param->flags & GST_PARAM_CONTROLLABLE) {
437 g_print (", %s%s%s", PROP_ATTR_VALUE_COLOR, _("controllable"),
441 if (param->flags & GST_PARAM_CONDITIONALLY_AVAILABLE) {
442 g_print (", %s%s%s", PROP_ATTR_VALUE_COLOR, _("conditionally available"),
446 if (param->flags & GST_PARAM_MUTABLE_PLAYING) {
447 g_print (", %s%s%s", PROP_ATTR_VALUE_COLOR,
448 _("changeable in NULL, READY, PAUSED or PLAYING state"), RESET_COLOR);
449 } else if (param->flags & GST_PARAM_MUTABLE_PAUSED) {
450 g_print (", %s%s%s", PROP_ATTR_VALUE_COLOR,
451 _("changeable only in NULL, READY or PAUSED state"), RESET_COLOR);
452 } else if (param->flags & GST_PARAM_MUTABLE_READY) {
453 g_print (", %s%s%s", PROP_ATTR_VALUE_COLOR,
454 _("changeable only in NULL or READY state"), RESET_COLOR);
456 if (param->flags & ~KNOWN_PARAM_FLAGS) {
457 g_print ("%s0x%s%0x%s", (first_flag) ? "" : ", ", PROP_ATTR_VALUE_COLOR,
458 param->flags & ~KNOWN_PARAM_FLAGS, RESET_COLOR);
462 switch (G_VALUE_TYPE (&value)) {
465 const char *string_val = g_value_get_string (&value);
467 n_print ("%sString%s. ", DATATYPE_COLOR, RESET_COLOR);
469 if (string_val == NULL)
470 g_print ("%sDefault%s: %snull%s", PROP_ATTR_NAME_COLOR, RESET_COLOR,
471 PROP_ATTR_VALUE_COLOR, RESET_COLOR);
473 g_print ("%sDefault%s: %s\"%s\"%s", PROP_ATTR_NAME_COLOR, RESET_COLOR,
474 PROP_ATTR_VALUE_COLOR, string_val, RESET_COLOR);
479 gboolean bool_val = g_value_get_boolean (&value);
481 n_print ("%sBoolean%s. %sDefault%s: %s%s%s", DATATYPE_COLOR,
482 RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
483 PROP_ATTR_VALUE_COLOR, bool_val ? "true" : "false", RESET_COLOR);
488 GParamSpecULong *pulong = G_PARAM_SPEC_ULONG (param);
491 ("%sUnsigned Long%s. %sRange%s: %s%lu - %lu%s %sDefault%s: %s%lu%s ",
492 DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
493 PROP_ATTR_VALUE_COLOR, pulong->minimum, pulong->maximum,
494 RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
495 PROP_ATTR_VALUE_COLOR, g_value_get_ulong (&value), RESET_COLOR);
497 GST_ERROR ("%s: property '%s' of type ulong: consider changing to "
498 "uint/uint64", G_OBJECT_CLASS_NAME (obj_class),
499 g_param_spec_get_name (param));
504 GParamSpecLong *plong = G_PARAM_SPEC_LONG (param);
506 n_print ("%sLong%s. %sRange%s: %s%ld - %ld%s %sDefault%s: %s%ld%s ",
507 DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
508 PROP_ATTR_VALUE_COLOR, plong->minimum, plong->maximum, RESET_COLOR,
509 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
510 g_value_get_long (&value), RESET_COLOR);
512 GST_ERROR ("%s: property '%s' of type long: consider changing to "
513 "int/int64", G_OBJECT_CLASS_NAME (obj_class),
514 g_param_spec_get_name (param));
519 GParamSpecUInt *puint = G_PARAM_SPEC_UINT (param);
522 ("%sUnsigned Integer%s. %sRange%s: %s%u - %u%s %sDefault%s: %s%u%s ",
523 DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
524 PROP_ATTR_VALUE_COLOR, puint->minimum, puint->maximum, RESET_COLOR,
525 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
526 g_value_get_uint (&value), RESET_COLOR);
531 GParamSpecInt *pint = G_PARAM_SPEC_INT (param);
533 n_print ("%sInteger%s. %sRange%s: %s%d - %d%s %sDefault%s: %s%d%s ",
534 DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
535 PROP_ATTR_VALUE_COLOR, pint->minimum, pint->maximum, RESET_COLOR,
536 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
537 g_value_get_int (&value), RESET_COLOR);
542 GParamSpecUInt64 *puint64 = G_PARAM_SPEC_UINT64 (param);
544 n_print ("%sUnsigned Integer64%s. %sRange%s: %s%" G_GUINT64_FORMAT " - "
545 "%" G_GUINT64_FORMAT "%s %sDefault%s: %s%" G_GUINT64_FORMAT "%s ",
546 DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
547 PROP_ATTR_VALUE_COLOR, puint64->minimum, puint64->maximum,
548 RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
549 PROP_ATTR_VALUE_COLOR, g_value_get_uint64 (&value), RESET_COLOR);
554 GParamSpecInt64 *pint64 = G_PARAM_SPEC_INT64 (param);
556 n_print ("%sInteger64%s. %sRange%s: %s%" G_GINT64_FORMAT " - %"
557 G_GINT64_FORMAT "%s %sDefault%s: %s%" G_GINT64_FORMAT "%s ",
558 DATATYPE_COLOR, RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
559 PROP_ATTR_VALUE_COLOR, pint64->minimum, pint64->maximum,
560 RESET_COLOR, PROP_ATTR_NAME_COLOR, RESET_COLOR,
561 PROP_ATTR_VALUE_COLOR, g_value_get_int64 (&value), RESET_COLOR);
566 GParamSpecFloat *pfloat = G_PARAM_SPEC_FLOAT (param);
568 n_print ("%sFloat%s. %sRange%s: %s%15.7g - %15.7g%s "
569 "%sDefault%s: %s%15.7g%s ", DATATYPE_COLOR, RESET_COLOR,
570 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
571 pfloat->minimum, pfloat->maximum, RESET_COLOR, PROP_ATTR_NAME_COLOR,
572 RESET_COLOR, PROP_ATTR_VALUE_COLOR, g_value_get_float (&value),
578 GParamSpecDouble *pdouble = G_PARAM_SPEC_DOUBLE (param);
580 n_print ("%sDouble%s. %sRange%s: %s%15.7g - %15.7g%s "
581 "%sDefault%s: %s%15.7g%s ", DATATYPE_COLOR, RESET_COLOR,
582 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
583 pdouble->minimum, pdouble->maximum, RESET_COLOR,
584 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
585 g_value_get_double (&value), RESET_COLOR);
590 GST_ERROR ("%s: property '%s' of type char: consider changing to "
591 "int/string", G_OBJECT_CLASS_NAME (obj_class),
592 g_param_spec_get_name (param));
595 if (param->value_type == GST_TYPE_CAPS) {
596 const GstCaps *caps = gst_value_get_caps (&value);
599 n_print ("%sCaps%s (NULL)", DATATYPE_COLOR, RESET_COLOR);
601 print_caps (caps, " ");
603 } else if (G_IS_PARAM_SPEC_ENUM (param)) {
607 const gchar *value_nick = "";
609 values = G_ENUM_CLASS (g_type_class_ref (param->value_type))->values;
610 enum_value = g_value_get_enum (&value);
612 while (values[j].value_name) {
613 if (values[j].value == enum_value)
614 value_nick = values[j].value_nick;
618 n_print ("%sEnum \"%s\"%s %sDefault%s: %s%d, \"%s\"%s",
619 DATATYPE_COLOR, g_type_name (G_VALUE_TYPE (&value)), RESET_COLOR,
620 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
621 enum_value, value_nick, RESET_COLOR);
624 while (values[j].value_name) {
626 n_print (" %s(%d)%s: %s%-16s%s - %s%s%s",
627 PROP_ATTR_NAME_COLOR, values[j].value, RESET_COLOR,
628 PROP_ATTR_VALUE_COLOR, values[j].value_nick, RESET_COLOR,
629 DESC_COLOR, values[j].value_name, RESET_COLOR);
632 /* g_type_class_unref (ec); */
633 } else if (G_IS_PARAM_SPEC_FLAGS (param)) {
634 GParamSpecFlags *pflags = G_PARAM_SPEC_FLAGS (param);
638 vals = pflags->flags_class->values;
640 cur = flags_to_string (vals, g_value_get_flags (&value));
642 n_print ("%sFlags \"%s\"%s %sDefault%s: %s0x%08x, \"%s\"%s",
643 DATATYPE_COLOR, g_type_name (G_VALUE_TYPE (&value)), RESET_COLOR,
644 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
645 g_value_get_flags (&value), cur, RESET_COLOR);
647 while (vals[0].value_name) {
649 n_print (" %s(0x%08x)%s: %s%-16s%s - %s%s%s",
650 PROP_ATTR_NAME_COLOR, vals[0].value, RESET_COLOR,
651 PROP_ATTR_VALUE_COLOR, vals[0].value_nick, RESET_COLOR,
652 DESC_COLOR, vals[0].value_name, RESET_COLOR);
657 } else if (G_IS_PARAM_SPEC_OBJECT (param)) {
658 n_print ("%sObject of type%s %s\"%s\"%s", PROP_VALUE_COLOR,
659 RESET_COLOR, DATATYPE_COLOR,
660 g_type_name (param->value_type), RESET_COLOR);
661 } else if (G_IS_PARAM_SPEC_BOXED (param)) {
662 n_print ("%sBoxed pointer of type%s %s\"%s\"%s", PROP_VALUE_COLOR,
663 RESET_COLOR, DATATYPE_COLOR,
664 g_type_name (param->value_type), RESET_COLOR);
665 if (param->value_type == GST_TYPE_STRUCTURE) {
666 const GstStructure *s = gst_value_get_structure (&value);
669 gst_structure_foreach (s, print_field,
673 } else if (G_IS_PARAM_SPEC_POINTER (param)) {
674 if (param->value_type != G_TYPE_POINTER) {
675 n_print ("%sPointer of type%s %s\"%s\"%s.", PROP_VALUE_COLOR,
676 RESET_COLOR, DATATYPE_COLOR, g_type_name (param->value_type),
679 n_print ("%sPointer.%s", PROP_VALUE_COLOR, RESET_COLOR);
681 } else if (param->value_type == G_TYPE_VALUE_ARRAY) {
682 GParamSpecValueArray *pvarray = G_PARAM_SPEC_VALUE_ARRAY (param);
684 if (pvarray->element_spec) {
685 n_print ("%sArray of GValues of type%s %s\"%s\"%s",
686 PROP_VALUE_COLOR, RESET_COLOR, DATATYPE_COLOR,
687 g_type_name (pvarray->element_spec->value_type), RESET_COLOR);
689 n_print ("%sArray of GValues%s", PROP_VALUE_COLOR, RESET_COLOR);
691 } else if (GST_IS_PARAM_SPEC_FRACTION (param)) {
692 GstParamSpecFraction *pfraction = GST_PARAM_SPEC_FRACTION (param);
694 n_print ("%sFraction%s. %sRange%s: %s%d/%d - %d/%d%s "
695 "%sDefault%s: %s%d/%d%s ", DATATYPE_COLOR, RESET_COLOR,
696 PROP_ATTR_NAME_COLOR, RESET_COLOR, PROP_ATTR_VALUE_COLOR,
697 pfraction->min_num, pfraction->min_den, pfraction->max_num,
698 pfraction->max_den, RESET_COLOR, PROP_ATTR_NAME_COLOR,
699 RESET_COLOR, PROP_ATTR_VALUE_COLOR,
700 gst_value_get_fraction_numerator (&value),
701 gst_value_get_fraction_denominator (&value), RESET_COLOR);
702 } else if (param->value_type == GST_TYPE_ARRAY) {
703 GstParamSpecArray *parray = GST_PARAM_SPEC_ARRAY_LIST (param);
705 if (parray->element_spec) {
706 n_print ("%sGstValueArray of GValues of type%s %s\"%s\"%s",
707 PROP_VALUE_COLOR, RESET_COLOR, DATATYPE_COLOR,
708 g_type_name (parray->element_spec->value_type), RESET_COLOR);
710 n_print ("%sGstValueArray of GValues%s", PROP_VALUE_COLOR,
714 n_print ("%sUnknown type %ld%s %s\"%s\"%s", PROP_VALUE_COLOR,
715 (glong) param->value_type, RESET_COLOR, DATATYPE_COLOR,
716 g_type_name (param->value_type), RESET_COLOR);
721 g_print (" %sWrite only%s\n", PROP_VALUE_COLOR, RESET_COLOR);
727 g_value_reset (&value);
729 if (num_properties == 0)
730 n_print ("%snone%s\n", PROP_VALUE_COLOR, RESET_COLOR);
734 g_free (property_specs);
738 print_element_properties_info (GstElement * element)
741 print_object_properties_info (G_OBJECT (element),
742 G_OBJECT_GET_CLASS (element), "Element Properties");
746 gst_static_pad_compare_func (gconstpointer p1, gconstpointer p2)
748 GstStaticPadTemplate *pt1, *pt2;
750 pt1 = (GstStaticPadTemplate *) p1;
751 pt2 = (GstStaticPadTemplate *) p2;
753 return strcmp (pt1->name_template, pt2->name_template);
758 print_pad_templates_info (GstElement * element, GstElementFactory * factory)
761 GstStaticPadTemplate *padtemplate;
762 GstPadTemplate *tmpl;
764 n_print ("%sPad Templates%s:\n", HEADING_COLOR, RESET_COLOR);
768 if (gst_element_factory_get_num_pad_templates (factory) == 0) {
769 n_print ("%snone%s\n", PROP_VALUE_COLOR, RESET_COLOR);
773 pads = g_list_copy ((GList *)
774 gst_element_factory_get_static_pad_templates (factory));
775 pads = g_list_sort (pads, gst_static_pad_compare_func);
777 padtemplate = (GstStaticPadTemplate *) (pads->data);
778 pads = g_list_next (pads);
780 if (padtemplate->direction == GST_PAD_SRC)
781 n_print ("%sSRC template%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
782 PROP_VALUE_COLOR, padtemplate->name_template, RESET_COLOR);
783 else if (padtemplate->direction == GST_PAD_SINK)
784 n_print ("%sSINK template%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
785 PROP_VALUE_COLOR, padtemplate->name_template, RESET_COLOR);
787 n_print ("%sUNKNOWN template%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
788 PROP_VALUE_COLOR, padtemplate->name_template, RESET_COLOR);
792 if (padtemplate->presence == GST_PAD_ALWAYS)
793 n_print ("%sAvailability%s: %sAlways%s\n", PROP_NAME_COLOR, RESET_COLOR,
794 PROP_VALUE_COLOR, RESET_COLOR);
795 else if (padtemplate->presence == GST_PAD_SOMETIMES)
796 n_print ("%sAvailability%s: %sSometimes%s\n", PROP_NAME_COLOR,
797 RESET_COLOR, PROP_VALUE_COLOR, RESET_COLOR);
798 else if (padtemplate->presence == GST_PAD_REQUEST) {
799 n_print ("%sAvailability%s: %sOn request%s\n", PROP_NAME_COLOR,
800 RESET_COLOR, PROP_VALUE_COLOR, RESET_COLOR);
802 n_print ("%sAvailability%s: %sUNKNOWN%s\n", PROP_NAME_COLOR, RESET_COLOR,
803 PROP_VALUE_COLOR, RESET_COLOR);
805 if (padtemplate->static_caps.string) {
806 GstCaps *caps = gst_static_caps_get (&padtemplate->static_caps);
808 n_print ("%sCapabilities%s:\n", PROP_NAME_COLOR, RESET_COLOR);
811 print_caps (caps, ""); // FIXME
814 gst_caps_unref (caps);
817 tmpl = gst_element_class_get_pad_template (GST_ELEMENT_GET_CLASS (element),
818 padtemplate->name_template);
820 GType pad_type = GST_PAD_TEMPLATE_GTYPE (tmpl);
822 if (pad_type != G_TYPE_NONE && pad_type != GST_TYPE_PAD) {
825 pad_klass = g_type_class_ref (pad_type);
826 n_print ("%sType%s: %s%s%s\n", PROP_NAME_COLOR, RESET_COLOR,
827 DATATYPE_COLOR, g_type_name (pad_type), RESET_COLOR);
828 print_object_properties_info (NULL, pad_klass, "Pad Properties");
829 g_type_class_unref (pad_klass);
844 print_clocking_info (GstElement * element)
846 gboolean requires_clock, provides_clock;
849 GST_OBJECT_FLAG_IS_SET (element, GST_ELEMENT_FLAG_REQUIRE_CLOCK);
851 GST_OBJECT_FLAG_IS_SET (element, GST_ELEMENT_FLAG_PROVIDE_CLOCK);
853 if (!requires_clock && !provides_clock) {
855 n_print ("%sElement has no clocking capabilities.%s\n", DESC_COLOR,
861 n_print ("%sClocking Interaction%s:\n", PROP_NAME_COLOR, RESET_COLOR);
865 if (requires_clock) {
866 n_print ("%selement requires a clock%s\n", PROP_VALUE_COLOR, RESET_COLOR);
869 if (provides_clock) {
872 clock = gst_element_get_clock (element);
874 n_print ("%selement provides a clock%s: %s%s%s\n", PROP_VALUE_COLOR,
875 RESET_COLOR, DATATYPE_COLOR, GST_OBJECT_NAME (clock), RESET_COLOR);
876 gst_object_unref (clock);
878 n_print ("%selement is supposed to provide a clock but returned NULL%s\n",
879 PROP_VALUE_COLOR, RESET_COLOR);
886 print_uri_handler_info (GstElement * element)
888 if (GST_IS_URI_HANDLER (element)) {
889 const gchar *const *uri_protocols;
890 const gchar *uri_type;
892 if (gst_uri_handler_get_uri_type (GST_URI_HANDLER (element)) == GST_URI_SRC)
894 else if (gst_uri_handler_get_uri_type (GST_URI_HANDLER (element)) ==
898 uri_type = "unknown";
900 uri_protocols = gst_uri_handler_get_protocols (GST_URI_HANDLER (element));
903 n_print ("%sURI handling capabilities:%s\n", HEADING_COLOR, RESET_COLOR);
907 n_print ("%sElement can act as %s.%s\n", DESC_COLOR, uri_type, RESET_COLOR);
909 if (uri_protocols && *uri_protocols) {
910 n_print ("%sSupported URI protocols%s:\n", DESC_COLOR, RESET_COLOR);
912 for (; *uri_protocols != NULL; uri_protocols++)
913 n_print ("%s%s%s\n", PROP_ATTR_VALUE_COLOR, *uri_protocols,
917 n_print ("%sNo supported URI protocols%s\n", PROP_VALUE_COLOR,
923 n_print ("%sElement has no URI handling capabilities.%s\n", DESC_COLOR,
929 print_pad_info (GstElement * element)
935 n_print ("%sPads:%s\n", HEADING_COLOR, RESET_COLOR);
939 if (!element->numpads) {
940 n_print ("%snone%s\n", PROP_VALUE_COLOR, RESET_COLOR);
944 pads = element->pads;
949 pad = GST_PAD (pads->data);
950 pads = g_list_next (pads);
952 name = gst_pad_get_name (pad);
953 if (gst_pad_get_direction (pad) == GST_PAD_SRC)
954 n_print ("%sSRC%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
955 PROP_VALUE_COLOR, name, RESET_COLOR);
956 else if (gst_pad_get_direction (pad) == GST_PAD_SINK)
957 n_print ("%sSINK%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
958 PROP_VALUE_COLOR, name, RESET_COLOR);
960 n_print ("%sUNKNOWN%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
961 PROP_VALUE_COLOR, name, RESET_COLOR);
965 if (pad->padtemplate) {
967 n_print ("%sPad Template%s: %s'%s'%s\n", PROP_NAME_COLOR, RESET_COLOR,
968 PROP_VALUE_COLOR, pad->padtemplate->name_template, RESET_COLOR);
972 caps = gst_pad_get_current_caps (pad);
974 n_print ("%sCapabilities:%s\n", PROP_NAME_COLOR, RESET_COLOR);
976 print_caps (caps, ""); // FIXME
978 gst_caps_unref (caps);
987 has_sometimes_template (GstElement * element)
989 GstElementClass *klass = GST_ELEMENT_GET_CLASS (element);
992 for (l = klass->padtemplates; l != NULL; l = l->next) {
993 if (GST_PAD_TEMPLATE (l->data)->presence == GST_PAD_SOMETIMES)
1001 gtype_needs_ptr_marker (GType type)
1003 if (type == G_TYPE_POINTER)
1006 if (G_TYPE_FUNDAMENTAL (type) == G_TYPE_POINTER || G_TYPE_IS_BOXED (type)
1007 || G_TYPE_IS_OBJECT (type))
1014 print_signal_info (GstElement * element)
1016 /* Signals/Actions Block */
1020 GSignalQuery *query = NULL;
1022 GSList *found_signals, *l;
1024 for (k = 0; k < 2; k++) {
1025 found_signals = NULL;
1027 /* For elements that have sometimes pads, also list a few useful GstElement
1028 * signals. Put these first, so element-specific ones come later. */
1029 if (k == 0 && has_sometimes_template (element)) {
1030 query = g_new0 (GSignalQuery, 1);
1031 g_signal_query (g_signal_lookup ("pad-added", GST_TYPE_ELEMENT), query);
1032 found_signals = g_slist_append (found_signals, query);
1033 query = g_new0 (GSignalQuery, 1);
1034 g_signal_query (g_signal_lookup ("pad-removed", GST_TYPE_ELEMENT), query);
1035 found_signals = g_slist_append (found_signals, query);
1036 query = g_new0 (GSignalQuery, 1);
1037 g_signal_query (g_signal_lookup ("no-more-pads", GST_TYPE_ELEMENT),
1039 found_signals = g_slist_append (found_signals, query);
1042 for (type = G_OBJECT_TYPE (element); type; type = g_type_parent (type)) {
1043 if (type == GST_TYPE_ELEMENT || type == GST_TYPE_OBJECT)
1046 if (type == GST_TYPE_BIN && G_OBJECT_TYPE (element) != GST_TYPE_BIN)
1049 signals = g_signal_list_ids (type, &nsignals);
1050 for (i = 0; i < nsignals; i++) {
1051 query = g_new0 (GSignalQuery, 1);
1052 g_signal_query (signals[i], query);
1054 if ((k == 0 && !(query->signal_flags & G_SIGNAL_ACTION)) ||
1055 (k == 1 && (query->signal_flags & G_SIGNAL_ACTION)))
1056 found_signals = g_slist_append (found_signals, query);
1064 if (found_signals) {
1067 n_print ("%sElement Signals%s:\n", HEADING_COLOR, RESET_COLOR);
1069 n_print ("%sElement Actions%s:\n", HEADING_COLOR, RESET_COLOR);
1074 for (l = found_signals; l; l = l->next) {
1079 query = (GSignalQuery *) l->data;
1080 indent_len = strlen (query->signal_name) +
1081 strlen (g_type_name (query->return_type)) + 24;
1083 if (gtype_needs_ptr_marker (query->return_type)) {
1090 indent = g_new0 (gchar, indent_len + 1);
1091 memset (indent, ' ', indent_len);
1093 n_print (" %s\"%s\"%s : %s%s%s%suser_function%s (%s%s%s* object%s",
1094 PROP_NAME_COLOR, query->signal_name, RESET_COLOR,
1095 DATATYPE_COLOR, g_type_name (query->return_type), PROP_VALUE_COLOR,
1096 pmark, RESET_COLOR, DATATYPE_COLOR, g_type_name (type),
1097 PROP_VALUE_COLOR, RESET_COLOR);
1099 for (j = 0; j < query->n_params; j++) {
1100 const gchar *type_name, *asterisk;
1102 type_name = g_type_name (query->param_types[j]);
1103 asterisk = gtype_needs_ptr_marker (query->param_types[j]) ? "*" : "";
1106 n_print ("%s%s%s%s%s arg%d%s", indent, DATATYPE_COLOR, type_name,
1107 PROP_VALUE_COLOR, asterisk, j, RESET_COLOR);
1112 n_print ("%s%sgpointer %suser_data%s);\n", indent, DATATYPE_COLOR,
1113 PROP_VALUE_COLOR, RESET_COLOR);
1120 if (found_signals) {
1121 g_slist_foreach (found_signals, (GFunc) g_free, NULL);
1122 g_slist_free (found_signals);
1128 print_children_info (GstElement * element)
1132 if (!GST_IS_BIN (element))
1135 children = (GList *) GST_BIN (element)->children;
1138 n_print ("%sChildren%s:\n", HEADING_COLOR, RESET_COLOR);
1142 n_print (" %s%s%s\n", DATATYPE_COLOR,
1143 GST_ELEMENT_NAME (GST_ELEMENT (children->data)), RESET_COLOR);
1144 children = g_list_next (children);
1149 print_preset_list (GstElement * element)
1151 gchar **presets, **preset;
1153 if (!GST_IS_PRESET (element))
1156 presets = gst_preset_get_preset_names (GST_PRESET (element));
1157 if (presets && *presets) {
1159 n_print ("%sPresets%s:\n", HEADING_COLOR, RESET_COLOR);
1160 for (preset = presets; *preset; preset++) {
1161 gchar *comment = NULL;
1162 n_print (" \"%s\"", *preset);
1164 if (gst_preset_get_meta (GST_PRESET (element), *preset, "comment",
1165 &comment) && comment)
1166 g_print (": %s", comment);
1170 g_strfreev (presets);
1175 gst_plugin_name_compare_func (gconstpointer p1, gconstpointer p2)
1177 return strcmp (gst_plugin_get_name ((GstPlugin *) p1),
1178 gst_plugin_get_name ((GstPlugin *) p2));
1182 gst_plugin_feature_name_compare_func (gconstpointer p1, gconstpointer p2)
1184 return strcmp (GST_OBJECT_NAME (p1), GST_OBJECT_NAME (p2));
1188 print_blacklist (void)
1190 GList *plugins, *cur;
1193 g_print ("%s%s%s\n", HEADING_COLOR, _("Blacklisted files:"), RESET_COLOR);
1195 plugins = gst_registry_get_plugin_list (gst_registry_get ());
1196 if (sort_output == SORT_TYPE_NAME)
1197 plugins = g_list_sort (plugins, gst_plugin_name_compare_func);
1199 for (cur = plugins; cur != NULL; cur = g_list_next (cur)) {
1200 GstPlugin *plugin = (GstPlugin *) (cur->data);
1201 if (GST_OBJECT_FLAG_IS_SET (plugin, GST_PLUGIN_FLAG_BLACKLISTED)) {
1202 g_print (" %s\n", gst_plugin_get_name (plugin));
1208 g_print (_("%sTotal count%s: %s"), PROP_NAME_COLOR, RESET_COLOR,
1210 g_print (ngettext ("%d blacklisted file", "%d blacklisted files", count),
1212 g_print ("%s\n", RESET_COLOR);
1213 gst_plugin_list_free (plugins);
1217 print_typefind_extensions (const gchar * const *extensions, const gchar * color)
1221 while (extensions[i]) {
1222 g_print ("%s%s%s%s", i > 0 ? ", " : "", color, extensions[i], RESET_COLOR);
1228 print_element_list (gboolean print_all, gchar * ftypes)
1230 int plugincount = 0, featurecount = 0, blacklistcount = 0;
1231 GList *plugins, *orig_plugins;
1232 gchar **types = NULL;
1237 types = g_strsplit (ftypes, "/", -1);
1238 for (i = 0; types[i]; i++)
1239 *types[i] = g_ascii_toupper (*types[i]);
1243 orig_plugins = plugins = gst_registry_get_plugin_list (gst_registry_get ());
1244 if (sort_output == SORT_TYPE_NAME)
1245 plugins = g_list_sort (plugins, gst_plugin_name_compare_func);
1247 GList *features, *orig_features;
1250 plugin = (GstPlugin *) (plugins->data);
1251 plugins = g_list_next (plugins);
1254 if (GST_OBJECT_FLAG_IS_SET (plugin, GST_PLUGIN_FLAG_BLACKLISTED)) {
1259 orig_features = features =
1260 gst_registry_get_feature_list_by_plugin (gst_registry_get (),
1261 gst_plugin_get_name (plugin));
1262 if (sort_output == SORT_TYPE_NAME)
1263 features = g_list_sort (features, gst_plugin_feature_name_compare_func);
1265 GstPluginFeature *feature;
1267 if (G_UNLIKELY (features->data == NULL))
1269 feature = GST_PLUGIN_FEATURE (features->data);
1272 if (GST_IS_ELEMENT_FACTORY (feature)) {
1274 GstElementFactory *factory;
1276 factory = GST_ELEMENT_FACTORY (feature);
1279 gboolean all_found = TRUE;
1282 gst_element_factory_get_metadata (factory,
1283 GST_ELEMENT_METADATA_KLASS);
1284 for (i = 0; types[i]; i++) {
1285 if (!strstr (klass, types[i])) {
1295 print_element_info (feature, TRUE);
1297 g_print ("%s%s%s: %s%s%s: %s%s%s\n", PLUGIN_NAME_COLOR,
1298 gst_plugin_get_name (plugin), RESET_COLOR, ELEMENT_NAME_COLOR,
1299 GST_OBJECT_NAME (factory), RESET_COLOR, ELEMENT_DETAIL_COLOR,
1300 gst_element_factory_get_metadata (factory,
1301 GST_ELEMENT_METADATA_LONGNAME), RESET_COLOR);
1302 } else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
1303 GstTypeFindFactory *factory;
1304 const gchar *const *extensions;
1308 factory = GST_TYPE_FIND_FACTORY (feature);
1310 g_print ("%s%s%s: %s%s%s: ", PLUGIN_NAME_COLOR,
1311 gst_plugin_get_name (plugin), RESET_COLOR, ELEMENT_NAME_COLOR,
1312 gst_plugin_feature_get_name (feature), RESET_COLOR);
1314 extensions = gst_type_find_factory_get_extensions (factory);
1315 if (extensions != NULL) {
1317 print_typefind_extensions (extensions, ELEMENT_DETAIL_COLOR);
1322 g_print ("%sno extensions%s\n", ELEMENT_DETAIL_COLOR, RESET_COLOR);
1328 n_print ("%s%s%s: %s%s%s (%s%s%s)\n", PLUGIN_NAME_COLOR,
1329 gst_plugin_get_name (plugin), RESET_COLOR, ELEMENT_NAME_COLOR,
1330 GST_OBJECT_NAME (feature), RESET_COLOR, ELEMENT_DETAIL_COLOR,
1331 g_type_name (G_OBJECT_TYPE (feature)), RESET_COLOR);
1335 features = g_list_next (features);
1338 gst_plugin_feature_list_free (orig_features);
1341 gst_plugin_list_free (orig_plugins);
1345 g_print (_("%sTotal count%s: %s"), PROP_NAME_COLOR, RESET_COLOR,
1347 g_print (ngettext ("%d plugin", "%d plugins", plugincount), plugincount);
1348 if (blacklistcount) {
1350 g_print (ngettext ("%d blacklist entry", "%d blacklist entries",
1351 blacklistcount), blacklistcount);
1352 g_print (" not shown)");
1354 g_print ("%s, %s", RESET_COLOR, PROP_VALUE_COLOR);
1355 g_print (ngettext ("%d feature", "%d features", featurecount), featurecount);
1356 g_print ("%s\n", RESET_COLOR);
1360 print_all_uri_handlers (void)
1362 GList *plugins, *p, *features, *f;
1364 plugins = gst_registry_get_plugin_list (gst_registry_get ());
1365 if (sort_output == SORT_TYPE_NAME)
1366 plugins = g_list_sort (plugins, gst_plugin_name_compare_func);
1367 for (p = plugins; p; p = p->next) {
1368 GstPlugin *plugin = (GstPlugin *) (p->data);
1371 gst_registry_get_feature_list_by_plugin (gst_registry_get (),
1372 gst_plugin_get_name (plugin));
1373 if (sort_output == SORT_TYPE_NAME)
1374 features = g_list_sort (features, gst_plugin_feature_name_compare_func);
1375 for (f = features; f; f = f->next) {
1376 GstPluginFeature *feature = GST_PLUGIN_FEATURE (f->data);
1378 if (GST_IS_ELEMENT_FACTORY (feature)) {
1379 GstElementFactory *factory;
1380 GstElement *element;
1382 factory = GST_ELEMENT_FACTORY (gst_plugin_feature_load (feature));
1384 g_print ("element plugin %s couldn't be loaded\n",
1385 gst_plugin_get_name (plugin));
1389 element = gst_element_factory_create (factory, NULL);
1391 g_print ("couldn't construct element for %s for some reason\n",
1392 GST_OBJECT_NAME (factory));
1393 gst_object_unref (factory);
1397 if (GST_IS_URI_HANDLER (element)) {
1398 const gchar *const *uri_protocols;
1399 const gchar *const *protocol;
1402 switch (gst_uri_handler_get_uri_type (GST_URI_HANDLER (element))) {
1414 g_print ("%s%s%s (%s%s%s, %srank %u%s): ",
1416 gst_plugin_feature_get_name (GST_PLUGIN_FEATURE (factory)),
1417 RESET_COLOR, FEATURE_DIR_COLOR, dir, RESET_COLOR,
1419 gst_plugin_feature_get_rank (GST_PLUGIN_FEATURE (factory)),
1423 gst_uri_handler_get_protocols (GST_URI_HANDLER (element));
1424 for (protocol = uri_protocols; *protocol != NULL; protocol++) {
1425 if (protocol != uri_protocols)
1427 g_print ("%s%s%s", FEATURE_PROTO_COLOR, *protocol, RESET_COLOR);
1432 gst_object_unref (element);
1433 gst_object_unref (factory);
1437 gst_plugin_feature_list_free (features);
1440 gst_plugin_list_free (plugins);
1444 print_plugin_info (GstPlugin * plugin)
1446 const gchar *release_date = gst_plugin_get_release_date_string (plugin);
1447 const gchar *filename = gst_plugin_get_filename (plugin);
1449 n_print ("%sPlugin Details%s:\n", HEADING_COLOR, RESET_COLOR);
1453 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "Name", RESET_COLOR,
1454 PROP_VALUE_COLOR, gst_plugin_get_name (plugin), RESET_COLOR);
1455 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "Description", RESET_COLOR,
1456 PROP_VALUE_COLOR, gst_plugin_get_description (plugin), RESET_COLOR);
1457 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "Filename", RESET_COLOR,
1458 PROP_VALUE_COLOR, (filename != NULL) ? filename : "(null)", RESET_COLOR);
1459 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "Version", RESET_COLOR,
1460 PROP_VALUE_COLOR, gst_plugin_get_version (plugin), RESET_COLOR);
1461 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "License", RESET_COLOR,
1462 PROP_VALUE_COLOR, gst_plugin_get_license (plugin), RESET_COLOR);
1463 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "Source module", RESET_COLOR,
1464 PROP_VALUE_COLOR, gst_plugin_get_source (plugin), RESET_COLOR);
1466 if (release_date != NULL) {
1467 const gchar *tz = "(UTC)";
1470 /* may be: YYYY-MM-DD or YYYY-MM-DDTHH:MMZ */
1471 /* YYYY-MM-DDTHH:MMZ => YYYY-MM-DD HH:MM (UTC) */
1472 str = g_strdup (release_date);
1473 sep = strstr (str, "T");
1476 sep = strstr (sep + 1, "Z");
1482 n_print ("%s%-25s%s%s%s%s%s\n", PROP_NAME_COLOR, "Source release date",
1483 RESET_COLOR, PROP_VALUE_COLOR, str, tz, RESET_COLOR);
1486 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "Binary package", RESET_COLOR,
1487 PROP_VALUE_COLOR, gst_plugin_get_package (plugin), RESET_COLOR);
1488 n_print ("%s%-25s%s%s%s%s\n", PROP_NAME_COLOR, "Origin URL", RESET_COLOR,
1489 PROP_VALUE_COLOR, gst_plugin_get_origin (plugin), RESET_COLOR);
1497 print_plugin_features (GstPlugin * plugin)
1499 GList *features, *origlist;
1500 gint num_features = 0;
1501 gint num_elements = 0;
1502 gint num_tracers = 0;
1503 gint num_typefinders = 0;
1504 gint num_devproviders = 0;
1507 origlist = features =
1508 gst_registry_get_feature_list_by_plugin (gst_registry_get (),
1509 gst_plugin_get_name (plugin));
1510 if (sort_output == SORT_TYPE_NAME)
1511 features = g_list_sort (features, gst_plugin_feature_name_compare_func);
1513 GstPluginFeature *feature;
1515 feature = GST_PLUGIN_FEATURE (features->data);
1517 if (GST_IS_ELEMENT_FACTORY (feature)) {
1518 GstElementFactory *factory;
1520 factory = GST_ELEMENT_FACTORY (feature);
1521 n_print (" %s%s%s: %s%s%s\n", ELEMENT_NAME_COLOR,
1522 GST_OBJECT_NAME (factory), RESET_COLOR, ELEMENT_DETAIL_COLOR,
1523 gst_element_factory_get_metadata (factory,
1524 GST_ELEMENT_METADATA_LONGNAME), RESET_COLOR);
1526 } else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
1527 GstTypeFindFactory *factory;
1528 const gchar *const *extensions;
1530 factory = GST_TYPE_FIND_FACTORY (feature);
1531 extensions = gst_type_find_factory_get_extensions (factory);
1533 g_print (" %s%s%s: ", ELEMENT_NAME_COLOR,
1534 gst_plugin_feature_get_name (feature), RESET_COLOR);
1535 print_typefind_extensions (extensions, ELEMENT_DETAIL_COLOR);
1538 g_print (" %s%s%s: %sno extensions%s\n", ELEMENT_NAME_COLOR,
1539 gst_plugin_feature_get_name (feature), RESET_COLOR,
1540 ELEMENT_DETAIL_COLOR, RESET_COLOR);
1543 } else if (GST_IS_DEVICE_PROVIDER_FACTORY (feature)) {
1544 GstDeviceProviderFactory *factory;
1546 factory = GST_DEVICE_PROVIDER_FACTORY (feature);
1547 n_print (" %s%s%s: %s%s%s\n", ELEMENT_NAME_COLOR,
1548 GST_OBJECT_NAME (factory), RESET_COLOR, ELEMENT_DETAIL_COLOR,
1549 gst_device_provider_factory_get_metadata (factory,
1550 GST_ELEMENT_METADATA_LONGNAME), RESET_COLOR);
1552 } else if (GST_IS_TRACER_FACTORY (feature)) {
1553 n_print (" %s%s%s (%s%s%s)\n", ELEMENT_NAME_COLOR,
1554 gst_object_get_name (GST_OBJECT (feature)), RESET_COLOR,
1555 DATATYPE_COLOR, g_type_name (G_OBJECT_TYPE (feature)), RESET_COLOR);
1557 } else if (feature) {
1558 n_print (" %s%s%s (%s%s%s)\n", ELEMENT_NAME_COLOR,
1559 gst_object_get_name (GST_OBJECT (feature)), RESET_COLOR,
1560 DATATYPE_COLOR, g_type_name (G_OBJECT_TYPE (feature)), RESET_COLOR);
1564 features = g_list_next (features);
1567 gst_plugin_feature_list_free (origlist);
1570 n_print (" %s%d features%s:\n", HEADING_COLOR, num_features, RESET_COLOR);
1571 if (num_elements > 0)
1572 n_print (" %s+--%s %s%d elements%s\n", CHILD_LINK_COLOR, RESET_COLOR,
1573 PLUGIN_FEATURE_COLOR, num_elements, RESET_COLOR);
1574 if (num_typefinders > 0)
1575 n_print (" %s+--%s %s%d typefinders%s\n", CHILD_LINK_COLOR, RESET_COLOR,
1576 PLUGIN_FEATURE_COLOR, num_typefinders, RESET_COLOR);
1577 if (num_devproviders > 0)
1578 n_print (" %s+--%s %s%d device providers%s\n", CHILD_LINK_COLOR,
1579 RESET_COLOR, PLUGIN_FEATURE_COLOR, num_devproviders, RESET_COLOR);
1580 if (num_tracers > 0)
1581 n_print (" %s+--%s %s%d tracers%s\n", CHILD_LINK_COLOR, RESET_COLOR,
1582 PLUGIN_FEATURE_COLOR, num_tracers, RESET_COLOR);
1584 n_print (" %s+--%s %s%d other objects%s\n", CHILD_LINK_COLOR, RESET_COLOR,
1585 PLUGIN_FEATURE_COLOR, num_other, RESET_COLOR);
1591 print_feature_info (const gchar * feature_name, gboolean print_all)
1593 GstPluginFeature *feature;
1594 GstRegistry *registry = gst_registry_get ();
1597 if ((feature = gst_registry_find_feature (registry, feature_name,
1598 GST_TYPE_ELEMENT_FACTORY))) {
1599 ret = print_element_info (feature, print_all);
1602 if ((feature = gst_registry_find_feature (registry, feature_name,
1603 GST_TYPE_TYPE_FIND_FACTORY))) {
1604 ret = print_typefind_info (feature, print_all);
1607 if ((feature = gst_registry_find_feature (registry, feature_name,
1608 GST_TYPE_TRACER_FACTORY))) {
1609 ret = print_tracer_info (feature, print_all);
1613 /* TODO: handle DEVICE_PROVIDER_FACTORY */
1618 gst_object_unref (feature);
1623 print_element_info (GstPluginFeature * feature, gboolean print_names)
1625 GstElementFactory *factory;
1626 GstElement *element;
1630 factory = GST_ELEMENT_FACTORY (gst_plugin_feature_load (feature));
1632 g_print ("%selement plugin couldn't be loaded%s\n", DESC_COLOR,
1637 element = gst_element_factory_create (factory, NULL);
1639 gst_object_unref (factory);
1640 g_print ("%scouldn't construct element for some reason%s\n", DESC_COLOR,
1647 g_strdup_printf ("%s%s%s: ", DATATYPE_COLOR, GST_OBJECT_NAME (factory),
1652 print_factory_details_info (factory);
1654 plugin = gst_plugin_feature_get_plugin (GST_PLUGIN_FEATURE (factory));
1656 print_plugin_info (plugin);
1657 gst_object_unref (plugin);
1660 print_hierarchy (G_OBJECT_TYPE (element), 0, &maxlevel);
1661 print_interfaces (G_OBJECT_TYPE (element));
1663 print_pad_templates_info (element, factory);
1664 print_clocking_info (element);
1665 print_uri_handler_info (element);
1666 print_pad_info (element);
1667 print_element_properties_info (element);
1668 print_signal_info (element);
1669 print_children_info (element);
1670 print_preset_list (element);
1672 gst_object_unref (element);
1673 gst_object_unref (factory);
1679 print_typefind_info (GstPluginFeature * feature, gboolean print_names)
1681 GstTypeFindFactory *factory;
1686 const gchar *const *extensions;
1688 factory = GST_TYPE_FIND_FACTORY (gst_plugin_feature_load (feature));
1690 g_print ("%stypefind plugin couldn't be loaded%s\n", DESC_COLOR,
1697 g_strdup_printf ("%s%s%s: ", DATATYPE_COLOR, GST_OBJECT_NAME (factory),
1702 n_print ("%sFactory Details%s:\n", HEADING_COLOR, RESET_COLOR);
1703 rank = gst_plugin_feature_get_rank (feature);
1704 n_print (" %s%-25s%s%s (%d)%s\n", PROP_NAME_COLOR, "Rank", PROP_VALUE_COLOR,
1705 get_rank_name (s, rank), rank, RESET_COLOR);
1706 n_print (" %s%-25s%s%s%s\n", PROP_NAME_COLOR, "Name", PROP_VALUE_COLOR,
1707 GST_OBJECT_NAME (factory), RESET_COLOR);
1708 caps = gst_type_find_factory_get_caps (factory);
1710 gchar *caps_str = gst_caps_to_string (factory->caps);
1712 n_print (" %s%-25s%s%s%s\n", PROP_NAME_COLOR, "Caps", PROP_VALUE_COLOR,
1713 caps_str, RESET_COLOR);
1716 extensions = gst_type_find_factory_get_extensions (factory);
1718 n_print (" %s%-25s%s", PROP_NAME_COLOR, "Extensions", RESET_COLOR);
1719 print_typefind_extensions (extensions, PROP_VALUE_COLOR);
1724 plugin = gst_plugin_feature_get_plugin (GST_PLUGIN_FEATURE (factory));
1726 print_plugin_info (plugin);
1727 gst_object_unref (plugin);
1730 gst_object_unref (factory);
1736 print_tracer_info (GstPluginFeature * feature, gboolean print_names)
1738 GstTracerFactory *factory;
1743 factory = GST_TRACER_FACTORY (gst_plugin_feature_load (feature));
1745 g_print ("%stracer plugin couldn't be loaded%s\n", DESC_COLOR, RESET_COLOR);
1749 tracer = (GstTracer *) g_object_new (factory->type, NULL);
1751 gst_object_unref (factory);
1752 g_print ("%scouldn't construct tracer for some reason%s\n", DESC_COLOR,
1759 g_strdup_printf ("%s%s%s: ", DATATYPE_COLOR, GST_OBJECT_NAME (factory),
1764 n_print ("%sFactory Details%s:\n", HEADING_COLOR, RESET_COLOR);
1765 n_print (" %s%-25s%s%s%s\n", PROP_NAME_COLOR, "Name", PROP_VALUE_COLOR,
1766 GST_OBJECT_NAME (factory), RESET_COLOR);
1769 plugin = gst_plugin_feature_get_plugin (GST_PLUGIN_FEATURE (factory));
1771 print_plugin_info (plugin);
1772 gst_object_unref (plugin);
1775 print_hierarchy (G_OBJECT_TYPE (tracer), 0, &maxlevel);
1776 print_interfaces (G_OBJECT_TYPE (tracer));
1778 /* TODO: list what hooks it registers
1779 * - the data is available in gsttracerutils, we need to iterate the
1780 * _priv_tracers hashtable for each probe and then check the list of hooks
1781 * for each probe whether hook->tracer == tracer :/
1784 /* TODO: list what records it emits
1785 * - in class_init tracers can create GstTracerRecord instances
1786 * - those only get logged right now and there is no association with the
1787 * tracer that created them
1788 * - we'd need to add them to GstTracerFactory
1789 * gst_tracer_class_add_record (klass, record);
1790 * - needs work in gstregistrychunks to (de)serialize specs
1791 * - gst_tracer_register() would need to iterate the list of records and
1792 * copy the record->spec into the factory
1795 gst_object_unref (tracer);
1796 gst_object_unref (factory);
1801 /* NOTE: Not coloring output from automatic install functions, as their output
1802 * is meant for machines, not humans.
1805 print_plugin_automatic_install_info_codecs (GstElementFactory * factory)
1807 GstPadDirection direction;
1808 const gchar *type_name;
1810 const GList *static_templates, *l;
1811 GstCaps *caps = NULL;
1815 gst_element_factory_get_metadata (factory, GST_ELEMENT_METADATA_KLASS);
1816 g_return_if_fail (klass != NULL);
1818 if (strstr (klass, "Demuxer") ||
1819 strstr (klass, "Decoder") ||
1820 strstr (klass, "Depay") || strstr (klass, "Parser")) {
1821 type_name = "decoder";
1822 direction = GST_PAD_SINK;
1823 } else if (strstr (klass, "Muxer") ||
1824 strstr (klass, "Encoder") || strstr (klass, "Pay")) {
1825 type_name = "encoder";
1826 direction = GST_PAD_SRC;
1831 /* decoder/demuxer sink pads should always be static and there should only
1832 * be one, the same applies to encoders/muxers and source pads */
1833 static_templates = gst_element_factory_get_static_pad_templates (factory);
1834 for (l = static_templates; l != NULL; l = l->next) {
1835 GstStaticPadTemplate *tmpl = NULL;
1837 tmpl = (GstStaticPadTemplate *) l->data;
1838 if (tmpl->direction == direction) {
1839 caps = gst_static_pad_template_get_caps (tmpl);
1845 g_printerr ("Couldn't find static pad template for %s '%s'\n",
1846 type_name, GST_OBJECT_NAME (factory));
1850 caps = gst_caps_make_writable (caps);
1851 num = gst_caps_get_size (caps);
1852 for (i = 0; i < num; ++i) {
1856 s = gst_caps_get_structure (caps, i);
1857 /* remove fields that are almost always just MIN-MAX of some sort
1858 * in order to make the caps look less messy */
1859 gst_structure_remove_field (s, "pixel-aspect-ratio");
1860 gst_structure_remove_field (s, "framerate");
1861 gst_structure_remove_field (s, "channels");
1862 gst_structure_remove_field (s, "width");
1863 gst_structure_remove_field (s, "height");
1864 gst_structure_remove_field (s, "rate");
1865 gst_structure_remove_field (s, "depth");
1866 gst_structure_remove_field (s, "clock-rate");
1867 s_str = gst_structure_to_string (s);
1868 g_print ("%s-%s\n", type_name, s_str);
1871 gst_caps_unref (caps);
1875 print_plugin_automatic_install_info_protocols (GstElementFactory * factory)
1877 const gchar *const *protocols;
1879 protocols = gst_element_factory_get_uri_protocols (factory);
1880 if (protocols != NULL && *protocols != NULL) {
1881 switch (gst_element_factory_get_uri_type (factory)) {
1883 while (*protocols != NULL) {
1884 g_print ("urisink-%s\n", *protocols);
1889 while (*protocols != NULL) {
1890 g_print ("urisource-%s\n", *protocols);
1901 print_plugin_automatic_install_info (GstPlugin * plugin)
1903 GList *features, *l;
1905 /* not interested in typefind factories, only element factories */
1906 features = gst_registry_get_feature_list (gst_registry_get (),
1907 GST_TYPE_ELEMENT_FACTORY);
1909 for (l = features; l != NULL; l = l->next) {
1910 GstPluginFeature *feature;
1911 GstPlugin *feature_plugin;
1913 feature = GST_PLUGIN_FEATURE (l->data);
1915 /* only interested in the ones that are in the plugin we just loaded */
1916 feature_plugin = gst_plugin_feature_get_plugin (feature);
1917 if (feature_plugin == plugin) {
1918 GstElementFactory *factory;
1920 g_print ("element-%s\n", gst_plugin_feature_get_name (feature));
1922 factory = GST_ELEMENT_FACTORY (feature);
1923 print_plugin_automatic_install_info_protocols (factory);
1924 print_plugin_automatic_install_info_codecs (factory);
1927 gst_object_unref (feature_plugin);
1930 g_list_foreach (features, (GFunc) gst_object_unref, NULL);
1931 g_list_free (features);
1935 print_all_plugin_automatic_install_info (void)
1937 GList *plugins, *orig_plugins;
1939 orig_plugins = plugins = gst_registry_get_plugin_list (gst_registry_get ());
1940 if (sort_output == SORT_TYPE_NAME)
1941 plugins = g_list_sort (plugins, gst_plugin_name_compare_func);
1945 plugin = (GstPlugin *) (plugins->data);
1946 plugins = g_list_next (plugins);
1948 print_plugin_automatic_install_info (plugin);
1950 gst_plugin_list_free (orig_plugins);
1955 redirect_stdout (void)
1957 GError *error = NULL;
1959 const gchar *pager, *less;
1963 pager = g_getenv ("PAGER");
1965 pager = DEFAULT_PAGER;
1967 argv = g_strsplit (pager, " ", 0);
1969 less = g_getenv ("GST_LESS");
1971 less = DEFAULT_LESS_OPTS;
1973 envp = g_get_environ ();
1974 envp = g_environ_setenv (envp, "LESS", less, TRUE);
1976 if (!g_spawn_async_with_pipes (NULL, argv, envp,
1977 G_SPAWN_DO_NOT_REAP_CHILD | G_SPAWN_SEARCH_PATH,
1978 NULL, NULL, &child_pid, &stdin_fd,
1979 /* pass null stdout/stderr to inherit our fds */
1980 NULL, NULL, &error)) {
1981 if (pager != DEFAULT_PAGER) {
1982 g_warning ("g_spawn_async_with_pipes() failed: %s\n",
1983 GST_STR_NULL (error->message));
1987 g_clear_error (&error);
1992 /* redirect our stdout to child stdin */
1993 dup2 (stdin_fd, STDOUT_FILENO);
1994 if (isatty (STDERR_FILENO))
1995 dup2 (stdin_fd, STDERR_FILENO);
2005 child_exit_cb (GPid child_pid, gint status, gpointer user_data)
2007 g_spawn_close_pid (child_pid);
2008 g_main_loop_quit (loop);
2013 _parse_sort_type (const gchar * option_name, const gchar * optarg,
2014 gpointer data, GError ** error)
2016 if (!g_strcmp0 (optarg, "name")) {
2017 sort_output = SORT_TYPE_NAME;
2019 } else if (!g_strcmp0 (optarg, "none")) {
2020 sort_output = SORT_TYPE_NONE;
2028 main (int argc, char *argv[])
2030 gboolean print_all = FALSE;
2031 gboolean do_print_blacklist = FALSE;
2032 gboolean plugin_name = FALSE;
2033 gboolean print_aii = FALSE;
2034 gboolean uri_handlers = FALSE;
2035 gboolean check_exists = FALSE;
2036 gboolean color_always = FALSE;
2037 gchar *min_version = NULL;
2038 guint minver_maj = GST_VERSION_MAJOR;
2039 guint minver_min = GST_VERSION_MINOR;
2040 guint minver_micro = 0;
2041 gchar *types = NULL;
2042 const gchar *no_colors;
2044 #ifndef GST_DISABLE_OPTION_PARSING
2045 GOptionEntry options[] = {
2046 {"print-all", 'a', 0, G_OPTION_ARG_NONE, &print_all,
2047 N_("Print all elements"), NULL},
2048 {"print-blacklist", 'b', 0, G_OPTION_ARG_NONE, &do_print_blacklist,
2049 N_("Print list of blacklisted files"), NULL},
2050 {"print-plugin-auto-install-info", '\0', 0, G_OPTION_ARG_NONE, &print_aii,
2051 N_("Print a machine-parsable list of features the specified plugin "
2052 "or all plugins provide.\n "
2053 "Useful in connection with external automatic plugin "
2054 "installation mechanisms"), NULL},
2055 {"plugin", '\0', 0, G_OPTION_ARG_NONE, &plugin_name,
2056 N_("List the plugin contents"), NULL},
2057 {"types", 't', 0, G_OPTION_ARG_STRING, &types,
2058 N_("A slashes ('/') separated list of types of elements (also known "
2059 "as klass) to list. (unordered)"), NULL},
2060 {"exists", '\0', 0, G_OPTION_ARG_NONE, &check_exists,
2061 N_("Check if the specified element or plugin exists"), NULL},
2062 {"atleast-version", '\0', 0, G_OPTION_ARG_STRING, &min_version,
2064 ("When checking if an element or plugin exists, also check that its "
2065 "version is at least the version specified"), NULL},
2066 {"uri-handlers", 'u', 0, G_OPTION_ARG_NONE, &uri_handlers,
2068 ("Print supported URI schemes, with the elements that implement them"),
2070 {"no-colors", '\0', G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE,
2073 ("Disable colors in output. You can also achieve the same by setting "
2074 "'GST_INSPECT_NO_COLORS' environment variable to any value."),
2076 {"sort", '\0', G_OPTION_ARG_NONE, G_OPTION_ARG_CALLBACK, &_parse_sort_type,
2077 "Sort plugins and features. Sorting keys: name (default), none.",
2080 {"color", 'C', 0, G_OPTION_ARG_NONE, &color_always,
2081 N_("Color output, even when not sending to a tty."),
2083 GST_TOOLS_GOPTION_VERSION,
2086 GOptionContext *ctx;
2090 setlocale (LC_ALL, "");
2093 bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
2094 bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
2095 textdomain (GETTEXT_PACKAGE);
2098 /* avoid glib warnings when inspecting deprecated properties */
2099 g_setenv ("G_ENABLE_DIAGNOSTIC", "0", FALSE);
2101 g_set_prgname ("gst-inspect-" GST_API_VERSION);
2103 #ifndef GST_DISABLE_OPTION_PARSING
2104 ctx = g_option_context_new ("[ELEMENT-NAME | PLUGIN-NAME]");
2105 g_option_context_add_main_entries (ctx, options, GETTEXT_PACKAGE);
2106 g_option_context_add_group (ctx, gst_init_get_option_group ());
2107 if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
2108 g_printerr ("Error initializing: %s\n", err->message);
2109 g_clear_error (&err);
2110 g_option_context_free (ctx);
2113 g_option_context_free (ctx);
2115 gst_init (&argc, &argv);
2118 gst_tools_print_version ();
2120 if (print_all && argc > 1) {
2121 g_printerr ("-a requires no extra arguments\n");
2125 if (uri_handlers && argc > 1) {
2126 g_printerr ("-u requires no extra arguments\n");
2130 /* --atleast-version implies --exists */
2131 if (min_version != NULL) {
2132 if (sscanf (min_version, "%u.%u.%u", &minver_maj, &minver_min,
2133 &minver_micro) < 2) {
2134 g_printerr ("Can't parse version '%s' passed to --atleast-version\n",
2136 g_free (min_version);
2139 g_free (min_version);
2140 check_exists = TRUE;
2145 g_printerr ("--exists requires an extra command line argument\n");
2149 GstPluginFeature *feature;
2151 feature = gst_registry_lookup_feature (gst_registry_get (), argv[1]);
2152 if (feature != NULL && gst_plugin_feature_check_version (feature,
2153 minver_maj, minver_min, minver_micro)) {
2160 gst_object_unref (feature);
2162 /* FIXME: support checking for plugins too */
2163 g_printerr ("Checking for plugins is not supported yet\n");
2170 no_colors = g_getenv ("GST_INSPECT_NO_COLORS");
2171 /* We only support truecolor */
2172 colored_output &= (no_colors == NULL);
2175 if (isatty (STDOUT_FILENO)) {
2176 if (redirect_stdout ())
2177 loop = g_main_loop_new (NULL, FALSE);
2179 colored_output = (color_always) ? TRUE : FALSE;
2181 #elif defined(G_OS_WIN32)
2183 /* g_log_writer_supports_color is available since 2.50.0 */
2184 gint fd = _fileno (stdout);
2185 /* On Windows 10, g_log_writer_supports_color will also setup the console
2186 * so that it correctly interprets ANSI VT sequences if it's supported */
2187 if (!_isatty (fd) || !g_log_writer_supports_color (fd))
2188 colored_output = FALSE;
2192 /* if no arguments, print out list of elements */
2194 print_all_uri_handlers ();
2195 } else if (argc == 1 || print_all) {
2196 if (do_print_blacklist)
2200 print_all_plugin_automatic_install_info ();
2202 print_element_list (print_all, types);
2205 /* else we try to get a factory */
2206 const char *arg = argv[argc - 1];
2210 retval = print_feature_info (arg, print_all);
2213 /* otherwise check if it's a plugin */
2215 GstPlugin *plugin = gst_registry_find_plugin (gst_registry_get (), arg);
2217 /* if there is such a plugin, print out info */
2220 print_plugin_automatic_install_info (plugin);
2222 print_plugin_info (plugin);
2223 print_plugin_features (plugin);
2226 GError *error = NULL;
2228 if (g_file_test (arg, G_FILE_TEST_EXISTS)) {
2229 plugin = gst_plugin_load_file (arg, &error);
2233 print_plugin_automatic_install_info (plugin);
2235 print_plugin_info (plugin);
2236 print_plugin_features (plugin);
2239 g_printerr (_("Could not load plugin file: %s\n"), error->message);
2240 g_clear_error (&error);
2245 g_printerr (_("No such element or plugin '%s'\n"), arg);
2259 /* So that the pipe we create in redirect_stdout() is closed */
2260 close (STDOUT_FILENO);
2261 close (STDERR_FILENO);
2262 g_child_watch_add (child_pid, child_exit_cb, NULL);
2263 g_main_loop_run (loop);
2264 g_main_loop_unref (loop);