--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/gstreamer_core/tools/gst-inspect.c Fri Jan 22 09:59:59 2010 +0200
@@ -0,0 +1,1399 @@
+/* GStreamer
+ * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
+ * 2000 Wim Taymans <wtay@chello.be>
+ * 2004 Thomas Vander Stichele <thomas@apestaart.org>
+ *
+ * gst-inspect.c: tool to inspect the GStreamer registry
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <gst/controller/gstcontroller.h>
+
+#include "tools.h"
+
+#include <string.h>
+#include <locale.h>
+#include <glib/gprintf.h>
+
+static char *_name = NULL;
+
+static int print_element_info (GstElementFactory * factory,
+ gboolean print_names);
+
+static void
+n_print (const char *format, ...)
+{
+ va_list args;
+ gint retval;
+
+ if (_name)
+ g_print (_name);
+
+ va_start (args, format);
+ retval = g_vprintf (format, args);
+ va_end (args);
+}
+
+static gboolean
+print_field (GQuark field, const GValue * value, gpointer pfx)
+{
+ gchar *str = gst_value_serialize (value);
+
+ n_print ("%s %15s: %s\n", (gchar *) pfx, g_quark_to_string (field), str);
+ g_free (str);
+ return TRUE;
+}
+
+static void
+print_caps (const GstCaps * caps, const gchar * pfx)
+{
+ guint i;
+
+ g_return_if_fail (caps != NULL);
+
+ if (gst_caps_is_any (caps)) {
+ n_print ("%sANY\n", pfx);
+ return;
+ }
+ if (gst_caps_is_empty (caps)) {
+ n_print ("%sEMPTY\n", pfx);
+ return;
+ }
+
+ for (i = 0; i < gst_caps_get_size (caps); i++) {
+ GstStructure *structure = gst_caps_get_structure (caps, i);
+
+ n_print ("%s%s\n", pfx, gst_structure_get_name (structure));
+ gst_structure_foreach (structure, print_field, (gpointer) pfx);
+ }
+}
+
+#if 0
+static void
+print_formats (const GstFormat * formats)
+{
+ while (formats && *formats) {
+ const GstFormatDefinition *definition;
+
+ definition = gst_format_get_details (*formats);
+ if (definition)
+ n_print ("\t\t(%d):\t%s (%s)\n", *formats,
+ definition->nick, definition->description);
+ else
+ n_print ("\t\t(%d):\tUnknown format\n", *formats);
+
+ formats++;
+ }
+}
+#endif
+
+static void
+print_query_types (const GstQueryType * types)
+{
+ while (types && *types) {
+ const GstQueryTypeDefinition *definition;
+
+ definition = gst_query_type_get_details (*types);
+ if (definition)
+ n_print ("\t\t(%d):\t%s (%s)\n", *types,
+ definition->nick, definition->description);
+ else
+ n_print ("\t\t(%d):\tUnknown query format\n", *types);
+
+ types++;
+ }
+}
+
+#ifndef GST_DISABLE_ENUMTYPES
+#if 0
+static void
+print_event_masks (const GstEventMask * masks)
+{
+ GType event_type;
+ GEnumClass *klass;
+ GType event_flags;
+ GFlagsClass *flags_class = NULL;
+
+ event_type = gst_event_type_get_type ();
+ klass = (GEnumClass *) g_type_class_ref (event_type);
+
+ while (masks && masks->type) {
+ GEnumValue *value;
+ gint flags = 0, index = 0;
+
+ switch (masks->type) {
+ case GST_EVENT_SEEK:
+ flags = masks->flags;
+ event_flags = gst_seek_type_get_type ();
+ flags_class = (GFlagsClass *) g_type_class_ref (event_flags);
+ break;
+ default:
+ break;
+ }
+
+ value = g_enum_get_value (klass, masks->type);
+ g_print ("\t\t%s ", value->value_nick);
+
+ while (flags) {
+ GFlagsValue *value;
+
+ if (flags & 1) {
+ value = g_flags_get_first_value (flags_class, 1 << index);
+
+ if (value)
+ g_print ("| %s ", value->value_nick);
+ else
+ g_print ("| ? ");
+ }
+ flags >>= 1;
+ index++;
+ }
+ g_print ("\n");
+
+ masks++;
+ }
+}
+#endif
+#else
+static void
+print_event_masks (const GstEventMask * masks)
+{
+}
+#endif
+
+static char *
+get_rank_name (gint rank)
+{
+ switch (rank) {
+ case GST_RANK_NONE:
+ return "none";
+ case GST_RANK_MARGINAL:
+ return "marginal";
+ case GST_RANK_SECONDARY:
+ return "secondary";
+ case GST_RANK_PRIMARY:
+ return "primary";
+ default:
+ return "unknown";
+ }
+}
+
+static void
+print_factory_details_info (GstElementFactory * factory)
+{
+ n_print ("Factory Details:\n");
+ n_print (" Long name:\t%s\n", factory->details.longname);
+ n_print (" Class:\t%s\n", factory->details.klass);
+ n_print (" Description:\t%s\n", factory->details.description);
+ n_print (" Author(s):\t%s\n", factory->details.author);
+ n_print (" Rank:\t\t%s (%d)\n",
+ get_rank_name (GST_PLUGIN_FEATURE (factory)->rank),
+ GST_PLUGIN_FEATURE (factory)->rank);
+ n_print ("\n");
+}
+
+static void
+print_hierarchy (GType type, gint level, gint * maxlevel)
+{
+ GType parent;
+ gint i;
+
+ parent = g_type_parent (type);
+
+ *maxlevel = *maxlevel + 1;
+ level++;
+
+ if (parent)
+ print_hierarchy (parent, level, maxlevel);
+
+ if (_name)
+ g_print (_name);
+
+ for (i = 1; i < *maxlevel - level; i++)
+ g_print (" ");
+ if (*maxlevel - level)
+ g_print (" +----");
+
+ g_print ("%s\n", g_type_name (type));
+
+ if (level == 1)
+ n_print ("\n");
+}
+
+static void
+print_interfaces (GType type)
+{
+ guint n_ifaces;
+ GType *iface, *ifaces = g_type_interfaces (type, &n_ifaces);
+
+ if (ifaces) {
+ if (n_ifaces) {
+ if (_name)
+ g_print (_name);
+ g_print (_("Implemented Interfaces:\n"));
+ iface = ifaces;
+ while (*iface) {
+ if (_name)
+ g_print (_name);
+ g_print (" %s\n", g_type_name (*iface));
+ iface++;
+ }
+ if (_name)
+ g_print (_name);
+ g_print ("\n");
+ }
+ g_free (ifaces);
+ }
+}
+
+static void
+print_element_properties_info (GstElement * element)
+{
+ GParamSpec **property_specs;
+ guint num_properties, i;
+ gboolean readable;
+ gboolean first_flag;
+
+ property_specs = g_object_class_list_properties
+ (G_OBJECT_GET_CLASS (element), &num_properties);
+ n_print ("\n");
+ n_print ("Element Properties:\n");
+
+ for (i = 0; i < num_properties; i++) {
+ GValue value = { 0, };
+ GParamSpec *param = property_specs[i];
+
+ readable = FALSE;
+
+ g_value_init (&value, param->value_type);
+
+ n_print (" %-20s: %s\n", g_param_spec_get_name (param),
+ g_param_spec_get_blurb (param));
+
+ first_flag = TRUE;
+ n_print ("%-23.23s flags: ", "");
+ if (param->flags & G_PARAM_READABLE) {
+ g_object_get_property (G_OBJECT (element), param->name, &value);
+ readable = TRUE;
+ if (!first_flag)
+ g_print (", ");
+ else
+ first_flag = FALSE;
+ g_print (_("readable"));
+ }
+ if (param->flags & G_PARAM_WRITABLE) {
+ if (!first_flag)
+ g_print (", ");
+ else
+ first_flag = FALSE;
+ g_print (_("writable"));
+ }
+ if (param->flags & GST_PARAM_CONTROLLABLE) {
+ if (!first_flag)
+ g_print (", ");
+ else
+ first_flag = FALSE;
+ g_print (_("controllable"));
+ }
+ n_print ("\n");
+
+ switch (G_VALUE_TYPE (&value)) {
+ case G_TYPE_STRING:
+ {
+ GParamSpecString *pstring = G_PARAM_SPEC_STRING (param);
+
+ n_print ("%-23.23s String. ", "");
+
+ if (pstring->default_value == NULL)
+ g_print ("Default: null ");
+ else
+ g_print ("Default: \"%s\" ", pstring->default_value);
+
+ if (readable) {
+ const char *string_val = g_value_get_string (&value);
+
+ if (string_val == NULL)
+ g_print ("Current: null");
+ else
+ g_print ("Current: \"%s\"", string_val);
+ }
+ break;
+ }
+ case G_TYPE_BOOLEAN:
+ {
+ GParamSpecBoolean *pboolean = G_PARAM_SPEC_BOOLEAN (param);
+
+ n_print ("%-23.23s Boolean. ", "");
+ g_print ("Default: %s ", (pboolean->default_value ? "true" : "false"));
+ if (readable)
+ g_print ("Current: %s",
+ (g_value_get_boolean (&value) ? "true" : "false"));
+ break;
+ }
+ case G_TYPE_ULONG:
+ {
+ GParamSpecULong *pulong = G_PARAM_SPEC_ULONG (param);
+
+ n_print ("%-23.23s Unsigned Long. ", "");
+ g_print ("Range: %lu - %lu Default: %lu ",
+ pulong->minimum, pulong->maximum, pulong->default_value);
+ if (readable)
+ g_print ("Current: %lu", g_value_get_ulong (&value));
+ break;
+ }
+ case G_TYPE_LONG:
+ {
+ GParamSpecLong *plong = G_PARAM_SPEC_LONG (param);
+
+ n_print ("%-23.23s Long. ", "");
+ g_print ("Range: %ld - %ld Default: %ld ",
+ plong->minimum, plong->maximum, plong->default_value);
+ if (readable)
+ g_print ("Current: %ld", g_value_get_long (&value));
+ break;
+ }
+ case G_TYPE_UINT:
+ {
+ GParamSpecUInt *puint = G_PARAM_SPEC_UINT (param);
+
+ n_print ("%-23.23s Unsigned Integer. ", "");
+ g_print ("Range: %u - %u Default: %u ",
+ puint->minimum, puint->maximum, puint->default_value);
+ if (readable)
+ g_print ("Current: %u", g_value_get_uint (&value));
+ break;
+ }
+ case G_TYPE_INT:
+ {
+ GParamSpecInt *pint = G_PARAM_SPEC_INT (param);
+
+ n_print ("%-23.23s Integer. ", "");
+ g_print ("Range: %d - %d Default: %d ",
+ pint->minimum, pint->maximum, pint->default_value);
+ if (readable)
+ g_print ("Current: %d", g_value_get_int (&value));
+ break;
+ }
+ case G_TYPE_UINT64:
+ {
+ GParamSpecUInt64 *puint64 = G_PARAM_SPEC_UINT64 (param);
+
+ n_print ("%-23.23s Unsigned Integer64. ", "");
+ g_print ("Range: %" G_GUINT64_FORMAT " - %" G_GUINT64_FORMAT
+ " Default: %" G_GUINT64_FORMAT " ",
+ puint64->minimum, puint64->maximum, puint64->default_value);
+ if (readable)
+ g_print ("Current: %" G_GUINT64_FORMAT, g_value_get_uint64 (&value));
+ break;
+ }
+ case G_TYPE_INT64:
+ {
+ GParamSpecInt64 *pint64 = G_PARAM_SPEC_INT64 (param);
+
+ n_print ("%-23.23s Integer64. ", "");
+ g_print ("Range: %" G_GINT64_FORMAT " - %" G_GINT64_FORMAT
+ " Default: %" G_GINT64_FORMAT " ",
+ pint64->minimum, pint64->maximum, pint64->default_value);
+ if (readable)
+ g_print ("Current: %" G_GINT64_FORMAT, g_value_get_int64 (&value));
+ break;
+ }
+ case G_TYPE_FLOAT:
+ {
+ GParamSpecFloat *pfloat = G_PARAM_SPEC_FLOAT (param);
+
+ n_print ("%-23.23s Float. ", "");
+ g_print ("Range: %15.7g - %15.7g Default: %15.7g ",
+ pfloat->minimum, pfloat->maximum, pfloat->default_value);
+ if (readable)
+ g_print ("Current: %15.7g", g_value_get_float (&value));
+ break;
+ }
+ case G_TYPE_DOUBLE:
+ {
+ GParamSpecDouble *pdouble = G_PARAM_SPEC_DOUBLE (param);
+
+ n_print ("%-23.23s Double. ", "");
+ g_print ("Range: %15.7g - %15.7g Default: %15.7g ",
+ pdouble->minimum, pdouble->maximum, pdouble->default_value);
+ if (readable)
+ g_print ("Current: %15.7g", g_value_get_double (&value));
+ break;
+ }
+ default:
+ if (param->value_type == GST_TYPE_CAPS) {
+ const GstCaps *caps = gst_value_get_caps (&value);
+
+ if (!caps)
+ n_print ("%-23.23s Caps (NULL)", "");
+ else {
+ print_caps (caps, " ");
+ }
+ } else if (G_IS_PARAM_SPEC_ENUM (param)) {
+ GParamSpecEnum *penum = G_PARAM_SPEC_ENUM (param);
+ GEnumValue *values;
+ guint j = 0;
+ gint enum_value;
+ const gchar *def_val_nick = "", *cur_val_nick = "";
+
+ values = G_ENUM_CLASS (g_type_class_ref (param->value_type))->values;
+ enum_value = g_value_get_enum (&value);
+
+ while (values[j].value_name) {
+ if (values[j].value == enum_value)
+ cur_val_nick = values[j].value_nick;
+ if (values[j].value == penum->default_value)
+ def_val_nick = values[j].value_nick;
+ j++;
+ }
+
+ n_print
+ ("%-23.23s Enum \"%s\" Default: %d, \"%s\" Current: %d, \"%s\"",
+ "", g_type_name (G_VALUE_TYPE (&value)), penum->default_value,
+ def_val_nick, enum_value, cur_val_nick);
+
+ j = 0;
+ while (values[j].value_name) {
+ g_print ("\n");
+ if (_name)
+ g_print (_name);
+ g_print ("%-23.23s (%d): %-16s - %s", "",
+ values[j].value, values[j].value_nick, values[j].value_name);
+ j++;
+ }
+ /* g_type_class_unref (ec); */
+ } else if (G_IS_PARAM_SPEC_FLAGS (param)) {
+ GParamSpecFlags *pflags = G_PARAM_SPEC_FLAGS (param);
+ GFlagsValue *values;
+ guint j = 0;
+ gint flags_value;
+ GString *cur_flags = NULL, *def_flags = NULL;
+
+ values = G_FLAGS_CLASS (g_type_class_ref (param->value_type))->values;
+ flags_value = g_value_get_flags (&value);
+
+ while (values[j].value_name) {
+ if (values[j].value & flags_value) {
+ if (cur_flags) {
+ g_string_append_printf (cur_flags, " | %s",
+ values[j].value_nick);
+ } else {
+ cur_flags = g_string_new (values[j].value_nick);
+ }
+ }
+ if (values[j].value & pflags->default_value) {
+ if (def_flags) {
+ g_string_append_printf (def_flags, " | %s",
+ values[j].value_nick);
+ } else {
+ def_flags = g_string_new (values[j].value_nick);
+ }
+ }
+ j++;
+ }
+
+ n_print
+ ("%-23.23s Flags \"%s\" Default: 0x%08x, \"%s\" Current: 0x%08x, \"%s\"",
+ "", g_type_name (G_VALUE_TYPE (&value)), pflags->default_value,
+ (def_flags ? def_flags->str : "(none)"), flags_value,
+ (cur_flags ? cur_flags->str : "(none)"));
+
+ j = 0;
+ while (values[j].value_name) {
+ g_print ("\n");
+ if (_name)
+ g_print (_name);
+ g_print ("%-23.23s (0x%08x): %-16s - %s", "",
+ values[j].value, values[j].value_nick, values[j].value_name);
+ j++;
+ }
+
+ if (cur_flags)
+ g_string_free (cur_flags, TRUE);
+ if (def_flags)
+ g_string_free (def_flags, TRUE);
+ } else if (G_IS_PARAM_SPEC_OBJECT (param)) {
+ n_print ("%-23.23s Object of type \"%s\"", "",
+ g_type_name (param->value_type));
+ } else if (G_IS_PARAM_SPEC_BOXED (param)) {
+ n_print ("%-23.23s Boxed pointer of type \"%s\"", "",
+ g_type_name (param->value_type));
+ } else if (G_IS_PARAM_SPEC_POINTER (param)) {
+ if (param->value_type != G_TYPE_POINTER) {
+ n_print ("%-23.23s Pointer of type \"%s\".", "",
+ g_type_name (param->value_type));
+ } else {
+ n_print ("%-23.23s Pointer.", "");
+ }
+ } else if (param->value_type == G_TYPE_VALUE_ARRAY) {
+ n_print ("%-23.23s Array of GValues", "");
+ } else if (GST_IS_PARAM_SPEC_FRACTION (param)) {
+ GstParamSpecFraction *pfraction = GST_PARAM_SPEC_FRACTION (param);
+
+ n_print ("%-23.23s Fraction. ", "");
+
+ g_print ("Range: %d/%d - %d/%d Default: %d/%d ",
+ pfraction->min_num, pfraction->min_den,
+ pfraction->max_num, pfraction->max_den,
+ pfraction->def_num, pfraction->def_den);
+ if (readable)
+ g_print ("Current: %d/%d",
+ gst_value_get_fraction_numerator (&value),
+ gst_value_get_fraction_denominator (&value));
+
+ } else {
+ n_print ("%-23.23s Unknown type %ld \"%s\"", "", param->value_type,
+ g_type_name (param->value_type));
+ }
+ break;
+ }
+ if (!readable)
+ g_print (" Write only\n");
+ else
+ g_print ("\n");
+
+ g_value_reset (&value);
+ }
+ if (num_properties == 0)
+ n_print (" none\n");
+
+ g_free (property_specs);
+}
+
+static void
+print_pad_templates_info (GstElement * element, GstElementFactory * factory)
+{
+ GstElementClass *gstelement_class;
+ const GList *pads;
+ GstStaticPadTemplate *padtemplate;
+
+ n_print ("Pad Templates:\n");
+ if (!factory->numpadtemplates) {
+ n_print (" none\n");
+ return;
+ }
+
+ gstelement_class = GST_ELEMENT_CLASS (G_OBJECT_GET_CLASS (element));
+
+ pads = factory->staticpadtemplates;
+ while (pads) {
+ padtemplate = (GstStaticPadTemplate *) (pads->data);
+ pads = g_list_next (pads);
+
+ if (padtemplate->direction == GST_PAD_SRC)
+ n_print (" SRC template: '%s'\n", padtemplate->name_template);
+ else if (padtemplate->direction == GST_PAD_SINK)
+ n_print (" SINK template: '%s'\n", padtemplate->name_template);
+ else
+ n_print (" UNKNOWN!!! template: '%s'\n", padtemplate->name_template);
+
+ if (padtemplate->presence == GST_PAD_ALWAYS)
+ n_print (" Availability: Always\n");
+ else if (padtemplate->presence == GST_PAD_SOMETIMES)
+ n_print (" Availability: Sometimes\n");
+ else if (padtemplate->presence == GST_PAD_REQUEST) {
+ n_print (" Availability: On request\n");
+ n_print (" Has request_new_pad() function: %s\n",
+ GST_DEBUG_FUNCPTR_NAME (gstelement_class->request_new_pad));
+ } else
+ n_print (" Availability: UNKNOWN!!!\n");
+
+ if (padtemplate->static_caps.string) {
+ n_print (" Capabilities:\n");
+ print_caps (gst_static_caps_get (&padtemplate->static_caps), " ");
+ }
+
+ n_print ("\n");
+ }
+}
+
+static void
+print_element_flag_info (GstElement * element)
+{
+ gboolean have_flags = FALSE;
+
+ n_print ("\n");
+ n_print ("Element Flags:\n");
+
+ if (!have_flags)
+ n_print (" no flags set\n");
+
+ if (GST_IS_BIN (element)) {
+ n_print ("\n");
+ n_print ("Bin Flags:\n");
+ if (!have_flags)
+ n_print (" no flags set\n");
+ }
+}
+
+static void
+print_implementation_info (GstElement * element)
+{
+ GstObjectClass *gstobject_class;
+ GstElementClass *gstelement_class;
+
+ gstobject_class = GST_OBJECT_CLASS (G_OBJECT_GET_CLASS (element));
+ gstelement_class = GST_ELEMENT_CLASS (G_OBJECT_GET_CLASS (element));
+
+ n_print ("\n");
+ n_print ("Element Implementation:\n");
+
+ n_print (" Has change_state() function: %s\n",
+ GST_DEBUG_FUNCPTR_NAME (gstelement_class->change_state));
+#ifndef GST_DISABLE_LOADSAVE
+ n_print (" Has custom save_thyself() function: %s\n",
+ GST_DEBUG_FUNCPTR_NAME (gstobject_class->save_thyself));
+ n_print (" Has custom restore_thyself() function: %s\n",
+ GST_DEBUG_FUNCPTR_NAME (gstobject_class->restore_thyself));
+#endif
+}
+
+static void
+print_clocking_info (GstElement * element)
+{
+ if (!gst_element_requires_clock (element) &&
+ !(gst_element_provides_clock (element) &&
+ gst_element_get_clock (element))) {
+ n_print ("\n");
+ n_print ("Element has no clocking capabilities.");
+ return;
+ }
+
+ n_print ("\n");
+ n_print ("Clocking Interaction:\n");
+ if (gst_element_requires_clock (element)) {
+ n_print (" element requires a clock\n");
+ }
+
+ if (gst_element_provides_clock (element)) {
+ GstClock *clock;
+
+ clock = gst_element_get_clock (element);
+ if (clock)
+ n_print (" element provides a clock: %s\n", GST_OBJECT_NAME (clock));
+ else
+ n_print (" element is supposed to provide a clock but returned NULL\n");
+ }
+}
+
+#ifndef GST_DISABLE_INDEX
+static void
+print_index_info (GstElement * element)
+{
+ if (gst_element_is_indexable (element)) {
+ n_print ("\n");
+ n_print ("Indexing capabilities:\n");
+ n_print (" element can do indexing\n");
+ } else {
+ n_print ("\n");
+ n_print ("Element has no indexing capabilities.\n");
+ }
+}
+#else
+static void
+print_index_info (GstElement * element)
+{
+}
+#endif
+
+static void
+print_pad_info (GstElement * element)
+{
+ const GList *pads;
+ GstPad *pad;
+
+ n_print ("\n");
+ n_print ("Pads:\n");
+
+ if (!element->numpads) {
+ n_print (" none\n");
+ return;
+ }
+
+ pads = element->pads;
+ while (pads) {
+ gchar *name;
+
+ pad = GST_PAD (pads->data);
+ pads = g_list_next (pads);
+
+ n_print ("");
+
+ name = gst_pad_get_name (pad);
+ if (gst_pad_get_direction (pad) == GST_PAD_SRC)
+ g_print (" SRC: '%s'", name);
+ else if (gst_pad_get_direction (pad) == GST_PAD_SINK)
+ g_print (" SINK: '%s'", name);
+ else
+ g_print (" UNKNOWN!!!: '%s'", name);
+
+ g_free (name);
+
+ g_print ("\n");
+
+ n_print (" Implementation:\n");
+ if (pad->chainfunc)
+ n_print (" Has chainfunc(): %s\n",
+ GST_DEBUG_FUNCPTR_NAME (pad->chainfunc));
+ if (pad->getrangefunc)
+ n_print (" Has getrangefunc(): %s\n",
+ GST_DEBUG_FUNCPTR_NAME (pad->getrangefunc));
+ if (pad->eventfunc != gst_pad_event_default)
+ n_print (" Has custom eventfunc(): %s\n",
+ GST_DEBUG_FUNCPTR_NAME (pad->eventfunc));
+ if (pad->queryfunc != gst_pad_query_default)
+ n_print (" Has custom queryfunc(): %s\n",
+ GST_DEBUG_FUNCPTR_NAME (pad->queryfunc));
+ if (pad->querytypefunc != gst_pad_get_query_types_default) {
+ n_print (" Provides query types:\n");
+ print_query_types (gst_pad_get_query_types (pad));
+ }
+
+ if (pad->intlinkfunc != gst_pad_get_internal_links_default)
+ n_print (" Has custom intconnfunc(): %s\n",
+ GST_DEBUG_FUNCPTR_NAME (pad->intlinkfunc));
+
+ if (pad->bufferallocfunc)
+ n_print (" Has bufferallocfunc(): %s\n",
+ GST_DEBUG_FUNCPTR_NAME (pad->bufferallocfunc));
+
+ if (pad->padtemplate)
+ n_print (" Pad Template: '%s'\n", pad->padtemplate->name_template);
+
+ if (pad->caps) {
+ n_print (" Capabilities:\n");
+ print_caps (pad->caps, " ");
+ }
+ }
+}
+
+#if 0
+static gint
+compare_signal_names (GSignalQuery * a, GSignalQuery * b)
+{
+ return strcmp (a->signal_name, b->signal_name);
+}
+#endif
+
+static void
+print_signal_info (GstElement * element)
+{
+ /* Signals/Actions Block */
+ guint *signals;
+ guint nsignals;
+ gint i = 0, j, k;
+ GSignalQuery *query = NULL;
+ GType type;
+ GSList *found_signals, *l;
+
+ for (k = 0; k < 2; k++) {
+ found_signals = NULL;
+ for (type = G_OBJECT_TYPE (element); type; type = g_type_parent (type)) {
+ if (type == GST_TYPE_ELEMENT || type == GST_TYPE_OBJECT)
+ break;
+
+ if (type == GST_TYPE_BIN && G_OBJECT_TYPE (element) != GST_TYPE_BIN)
+ continue;
+
+ signals = g_signal_list_ids (type, &nsignals);
+ for (i = 0; i < nsignals; i++) {
+ query = g_new0 (GSignalQuery, 1);
+ g_signal_query (signals[i], query);
+
+ if ((k == 0 && !(query->signal_flags & G_SIGNAL_ACTION)) ||
+ (k == 1 && (query->signal_flags & G_SIGNAL_ACTION)))
+ found_signals = g_slist_append (found_signals, query);
+ else
+ g_free (query);
+ }
+ g_free (signals);
+ signals = NULL;
+ }
+
+ if (found_signals) {
+ n_print ("\n");
+ if (k == 0)
+ n_print ("Element Signals:\n");
+ else
+ n_print ("Element Actions:\n");
+ } else {
+ continue;
+ }
+
+ for (l = found_signals; l; l = l->next) {
+ gchar *indent;
+ int indent_len;
+
+ query = (GSignalQuery *) l->data;
+ indent_len = strlen (query->signal_name) +
+ strlen (g_type_name (query->return_type)) + 24;
+
+ indent = g_new0 (gchar, indent_len + 1);
+ memset (indent, ' ', indent_len);
+
+ n_print (" \"%s\" : %s user_function (%s* object",
+ query->signal_name,
+ g_type_name (query->return_type), g_type_name (type));
+
+ for (j = 0; j < query->n_params; j++) {
+ if (_name)
+ g_print (_name);
+ if (G_TYPE_IS_FUNDAMENTAL (query->param_types[j])) {
+ g_print (",\n%s%s arg%d", indent,
+ g_type_name (query->param_types[j]), j);
+ } else if (G_TYPE_IS_ENUM (query->param_types[j])) {
+ g_print (",\n%s%s arg%d", indent,
+ g_type_name (query->param_types[j]), j);
+ } else {
+ g_print (",\n%s%s* arg%d", indent,
+ g_type_name (query->param_types[j]), j);
+ }
+ }
+
+ if (k == 0) {
+ if (_name)
+ g_print (_name);
+ g_print (",\n%sgpointer user_data);\n", indent);
+ } else
+ g_print (");\n");
+
+ g_free (indent);
+ }
+
+ if (found_signals) {
+ g_slist_foreach (found_signals, (GFunc) g_free, NULL);
+ g_slist_free (found_signals);
+ }
+ }
+}
+
+static void
+print_children_info (GstElement * element)
+{
+ GList *children;
+
+ if (!GST_IS_BIN (element))
+ return;
+
+ children = (GList *) GST_BIN (element)->children;
+ if (children) {
+ n_print ("\n");
+ g_print ("Children:\n");
+ }
+
+ while (children) {
+ n_print (" %s\n", GST_ELEMENT_NAME (GST_ELEMENT (children->data)));
+ children = g_list_next (children);
+ }
+}
+
+static void
+print_element_list (gboolean print_all)
+{
+ int plugincount = 0, featurecount = 0;
+ GList *plugins, *orig_plugins;
+
+ orig_plugins = plugins = gst_default_registry_get_plugin_list ();
+ while (plugins) {
+ GList *features, *orig_features;
+ GstPlugin *plugin;
+
+ plugin = (GstPlugin *) (plugins->data);
+ plugins = g_list_next (plugins);
+ plugincount++;
+
+ orig_features = features =
+ gst_registry_get_feature_list_by_plugin (gst_registry_get_default (),
+ plugin->desc.name);
+ while (features) {
+ GstPluginFeature *feature;
+
+ feature = GST_PLUGIN_FEATURE (features->data);
+ featurecount++;
+
+ if (GST_IS_ELEMENT_FACTORY (feature)) {
+ GstElementFactory *factory;
+
+ factory = GST_ELEMENT_FACTORY (feature);
+ if (print_all)
+ print_element_info (factory, TRUE);
+ else
+ g_print ("%s: %s: %s\n", plugin->desc.name,
+ GST_PLUGIN_FEATURE_NAME (factory),
+ gst_element_factory_get_longname (factory));
+ }
+#ifndef GST_DISABLE_INDEX
+ else if (GST_IS_INDEX_FACTORY (feature)) {
+ GstIndexFactory *factory;
+
+ factory = GST_INDEX_FACTORY (feature);
+ if (!print_all)
+ g_print ("%s: %s: %s\n", plugin->desc.name,
+ GST_PLUGIN_FEATURE_NAME (factory), factory->longdesc);
+ }
+#endif
+ else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
+ GstTypeFindFactory *factory;
+
+ factory = GST_TYPE_FIND_FACTORY (feature);
+ if (!print_all)
+ g_print ("%s: %s: ", plugin->desc.name,
+ gst_plugin_feature_get_name (feature));
+ if (factory->extensions) {
+ guint i = 0;
+
+ while (factory->extensions[i]) {
+ if (!print_all)
+ g_print ("%s%s", i > 0 ? ", " : "", factory->extensions[i]);
+ i++;
+ }
+ if (!print_all)
+ g_print ("\n");
+ } else {
+ if (!print_all)
+ g_print ("no extensions\n");
+ }
+ } else {
+ if (!print_all)
+ n_print ("%s: %s (%s)\n", plugin->desc.name,
+ GST_PLUGIN_FEATURE_NAME (feature),
+ g_type_name (G_OBJECT_TYPE (feature)));
+ }
+
+ features = g_list_next (features);
+ }
+
+ gst_plugin_feature_list_free (orig_features);
+ }
+
+ gst_plugin_list_free (orig_plugins);
+
+ g_print ("\n");
+ g_print (_("Total count: "));
+ g_print (ngettext ("%d plugin", "%d plugins", plugincount), plugincount);
+ g_print (", ");
+ g_print (ngettext ("%d feature", "%d features", featurecount), featurecount);
+ g_print ("\n");
+}
+
+static void
+print_plugin_info (GstPlugin * plugin)
+{
+ n_print ("Plugin Details:\n");
+ n_print (" Name:\t\t\t%s\n", plugin->desc.name);
+ n_print (" Description:\t\t%s\n", plugin->desc.description);
+ n_print (" Filename:\t\t%s\n",
+ plugin->filename ? plugin->filename : "(null)");
+ n_print (" Version:\t\t%s\n", plugin->desc.version);
+ n_print (" License:\t\t%s\n", plugin->desc.license);
+ n_print (" Source module:\t%s\n", plugin->desc.source);
+ n_print (" Binary package:\t%s\n", plugin->desc.package);
+ n_print (" Origin URL:\t\t%s\n", plugin->desc.origin);
+ n_print ("\n");
+}
+
+static void
+print_plugin_features (GstPlugin * plugin)
+{
+ GList *features;
+ gint num_features = 0;
+ gint num_elements = 0;
+ gint num_types = 0;
+ gint num_indexes = 0;
+ gint num_other = 0;
+
+ features =
+ gst_registry_get_feature_list_by_plugin (gst_registry_get_default (),
+ plugin->desc.name);
+
+ while (features) {
+ GstPluginFeature *feature;
+
+ feature = GST_PLUGIN_FEATURE (features->data);
+
+ if (GST_IS_ELEMENT_FACTORY (feature)) {
+ GstElementFactory *factory;
+
+ factory = GST_ELEMENT_FACTORY (feature);
+ n_print (" %s: %s\n", GST_PLUGIN_FEATURE_NAME (factory),
+ gst_element_factory_get_longname (factory));
+ num_elements++;
+ }
+#ifndef GST_DISABLE_INDEX
+ else if (GST_IS_INDEX_FACTORY (feature)) {
+ GstIndexFactory *factory;
+
+ factory = GST_INDEX_FACTORY (feature);
+ n_print (" %s: %s\n", GST_OBJECT_NAME (factory), factory->longdesc);
+ num_indexes++;
+ }
+#endif
+ else if (GST_IS_TYPE_FIND_FACTORY (feature)) {
+ GstTypeFindFactory *factory;
+
+ factory = GST_TYPE_FIND_FACTORY (feature);
+ if (factory->extensions) {
+ guint i = 0;
+
+ g_print ("%s: %s: ", plugin->desc.name,
+ gst_plugin_feature_get_name (feature));
+ while (factory->extensions[i]) {
+ g_print ("%s%s", i > 0 ? ", " : "", factory->extensions[i]);
+ i++;
+ }
+ g_print ("\n");
+ } else
+ g_print ("%s: %s: no extensions\n", plugin->desc.name,
+ gst_plugin_feature_get_name (feature));
+
+ num_types++;
+ } else {
+ n_print (" %s (%s)\n", gst_object_get_name (GST_OBJECT (feature)),
+ g_type_name (G_OBJECT_TYPE (feature)));
+ num_other++;
+ }
+ num_features++;
+ features = g_list_next (features);
+ }
+ n_print ("\n");
+ n_print (" %d features:\n", num_features);
+ if (num_elements > 0)
+ n_print (" +-- %d elements\n", num_elements);
+ if (num_types > 0)
+ n_print (" +-- %d types\n", num_types);
+ if (num_indexes > 0)
+ n_print (" +-- %d indexes\n", num_indexes);
+ if (num_other > 0)
+ n_print (" +-- %d other objects\n", num_other);
+
+ n_print ("\n");
+}
+
+static int
+print_element_features (const gchar * element_name)
+{
+ GstPluginFeature *feature;
+
+ /* FIXME implement other pretty print function for these */
+#ifndef GST_DISABLE_INDEX
+ feature = gst_default_registry_find_feature (element_name,
+ GST_TYPE_INDEX_FACTORY);
+ if (feature) {
+ n_print ("%s: an index\n", element_name);
+ return 0;
+ }
+#endif
+ feature = gst_default_registry_find_feature (element_name,
+ GST_TYPE_TYPE_FIND_FACTORY);
+ if (feature) {
+ n_print ("%s: a typefind function\n", element_name);
+ return 0;
+ }
+
+ return -1;
+}
+
+static int
+print_element_info (GstElementFactory * factory, gboolean print_names)
+{
+ GstElement *element;
+ gint maxlevel = 0;
+
+ factory =
+ GST_ELEMENT_FACTORY (gst_plugin_feature_load (GST_PLUGIN_FEATURE
+ (factory)));
+
+ if (!factory) {
+ g_print ("element plugin couldn't be loaded\n");
+ return -1;
+ }
+
+ element = gst_element_factory_create (factory, NULL);
+ if (!element) {
+ g_print ("couldn't construct element for some reason\n");
+ return -1;
+ }
+
+ if (print_names)
+ _name = g_strdup_printf ("%s: ", GST_PLUGIN_FEATURE (factory)->name);
+ else
+ _name = NULL;
+
+ print_factory_details_info (factory);
+ if (GST_PLUGIN_FEATURE (factory)->plugin_name) {
+ GstPlugin *plugin;
+
+ plugin = gst_registry_find_plugin (gst_registry_get_default (),
+ GST_PLUGIN_FEATURE (factory)->plugin_name);
+ if (plugin) {
+ print_plugin_info (plugin);
+ }
+ }
+
+ print_hierarchy (G_OBJECT_TYPE (element), 0, &maxlevel);
+ print_interfaces (G_OBJECT_TYPE (element));
+
+ print_pad_templates_info (element, factory);
+ print_element_flag_info (element);
+ print_implementation_info (element);
+ print_clocking_info (element);
+ print_index_info (element);
+ print_pad_info (element);
+ print_element_properties_info (element);
+ print_signal_info (element);
+ print_children_info (element);
+
+ gst_object_unref (element);
+ gst_object_unref (factory);
+ g_free (_name);
+
+ return 0;
+}
+
+
+static void
+print_plugin_automatic_install_info_codecs (GstElementFactory * factory)
+{
+ GstPadDirection direction;
+ const gchar *type_name;
+ const gchar *klass;
+ const GList *static_templates, *l;
+ GstCaps *caps = NULL;
+ guint i, num;
+
+ klass = gst_element_factory_get_klass (factory);
+ g_return_if_fail (klass != NULL);
+
+ if (strstr (klass, "Demuxer") ||
+ strstr (klass, "Decoder") ||
+ strstr (klass, "Depay") || strstr (klass, "Parser")) {
+ type_name = "decoder";
+ direction = GST_PAD_SINK;
+ } else if (strstr (klass, "Muxer") ||
+ strstr (klass, "Encoder") || strstr (klass, "Pay")) {
+ type_name = "encoder";
+ direction = GST_PAD_SRC;
+ } else {
+ return;
+ }
+
+ /* decoder/demuxer sink pads should always be static and there should only
+ * be one, the same applies to encoders/muxers and source pads */
+ static_templates = gst_element_factory_get_static_pad_templates (factory);
+ for (l = static_templates; l != NULL; l = l->next) {
+ GstStaticPadTemplate *tmpl = NULL;
+
+ tmpl = (GstStaticPadTemplate *) l->data;
+ if (tmpl->direction == direction) {
+ caps = gst_static_pad_template_get_caps (tmpl);
+ break;
+ }
+ }
+
+ if (caps == NULL) {
+ g_printerr ("Couldn't find static pad template for %s '%s'\n",
+ type_name, GST_PLUGIN_FEATURE_NAME (factory));
+ return;
+ }
+
+ caps = gst_caps_make_writable (caps);
+ num = gst_caps_get_size (caps);
+ for (i = 0; i < num; ++i) {
+ GstStructure *s;
+ gchar *s_str;
+
+ s = gst_caps_get_structure (caps, i);
+ /* remove fields that are almost always just MIN-MAX of some sort
+ * in order to make the caps look less messy */
+ gst_structure_remove_field (s, "pixel-aspect-ratio");
+ gst_structure_remove_field (s, "framerate");
+ gst_structure_remove_field (s, "channels");
+ gst_structure_remove_field (s, "width");
+ gst_structure_remove_field (s, "height");
+ gst_structure_remove_field (s, "rate");
+ gst_structure_remove_field (s, "depth");
+ gst_structure_remove_field (s, "clock-rate");
+ s_str = gst_structure_to_string (s);
+ g_print ("%s-%s\n", type_name, s_str);
+ g_free (s_str);
+ }
+ gst_caps_unref (caps);
+}
+
+static void
+print_plugin_automatic_install_info_protocols (GstElementFactory * factory)
+{
+ gchar **protocols, **p;
+
+ protocols = gst_element_factory_get_uri_protocols (factory);
+ if (protocols != NULL && *protocols != NULL) {
+ switch (gst_element_factory_get_uri_type (factory)) {
+ case GST_URI_SINK:
+ for (p = protocols; *p != NULL; ++p)
+ g_print ("urisink-%s\n", *p);
+ break;
+ case GST_URI_SRC:
+ for (p = protocols; *p != NULL; ++p)
+ g_print ("urisource-%s\n", *p);
+ break;
+ default:
+ break;
+ }
+ g_strfreev (protocols);
+ }
+}
+
+static void
+print_plugin_automatic_install_info (GstPlugin * plugin)
+{
+ const gchar *plugin_name;
+ GList *features, *l;
+
+ plugin_name = gst_plugin_get_name (plugin);
+
+ /* not interested in typefind factories, only element factories */
+ features = gst_registry_get_feature_list (gst_registry_get_default (),
+ GST_TYPE_ELEMENT_FACTORY);
+
+ for (l = features; l != NULL; l = l->next) {
+ GstPluginFeature *feature;
+
+ feature = GST_PLUGIN_FEATURE (l->data);
+
+ /* only interested in the ones that are in the plugin we just loaded */
+ if (g_str_equal (plugin_name, feature->plugin_name)) {
+ GstElementFactory *factory;
+
+ g_print ("element-%s\n", gst_plugin_feature_get_name (feature));
+
+ factory = GST_ELEMENT_FACTORY (feature);
+ print_plugin_automatic_install_info_protocols (factory);
+ print_plugin_automatic_install_info_codecs (factory);
+ }
+ }
+
+ g_list_foreach (features, (GFunc) gst_object_unref, NULL);
+ g_list_free (features);
+}
+
+int
+main (int argc, char *argv[])
+{
+ gboolean print_all = FALSE;
+ gboolean print_aii = FALSE;
+ GOptionEntry options[] = {
+ {"print-all", 'a', 0, G_OPTION_ARG_NONE, &print_all,
+ N_("Print all elements"), NULL},
+ {"print-plugin-auto-install-info", '\0', 0, G_OPTION_ARG_NONE, &print_aii,
+ N_("Print a machine-parsable list of features the specified plugin "
+ "provides.\n "
+ "Useful in connection with external automatic plugin "
+ "installation mechanisms"), NULL},
+ GST_TOOLS_GOPTION_VERSION,
+ {NULL}
+ };
+ GOptionContext *ctx;
+ GError *err = NULL;
+
+#ifdef ENABLE_NLS
+ bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR);
+ bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
+ textdomain (GETTEXT_PACKAGE);
+#endif
+
+ if (!g_thread_supported ())
+ g_thread_init (NULL);
+
+ ctx = g_option_context_new ("[ELEMENT-NAME | PLUGIN-NAME]");
+ g_option_context_add_main_entries (ctx, options, GETTEXT_PACKAGE);
+ g_option_context_add_group (ctx, gst_init_get_option_group ());
+ if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
+ g_print ("Error initializing: %s\n", err->message);
+ exit (1);
+ }
+ g_option_context_free (ctx);
+
+ gst_tools_print_version ("gst-inspect");
+
+ if (print_all && argc > 2) {
+ g_print ("-a requires no extra arguments\n");
+ return 1;
+ }
+
+ /* if no arguments, print out list of elements */
+ if (argc == 1 || print_all) {
+ print_element_list (print_all);
+ /* else we try to get a factory */
+ } else {
+ GstElementFactory *factory;
+ GstPlugin *plugin;
+ const char *arg = argv[argc - 1];
+ int retval;
+
+ factory = gst_element_factory_find (arg);
+ /* if there's a factory, print out the info */
+ if (factory) {
+ retval = print_element_info (factory, print_all);
+ gst_object_unref (factory);
+ } else {
+ retval = print_element_features (arg);
+ }
+
+ /* otherwise check if it's a plugin */
+ if (retval) {
+ plugin = gst_default_registry_find_plugin (arg);
+
+ /* if there is such a plugin, print out info */
+ if (plugin) {
+ if (print_aii) {
+ print_plugin_automatic_install_info (plugin);
+ } else {
+ print_plugin_info (plugin);
+ print_plugin_features (plugin);
+ }
+ } else {
+ GError *error = NULL;
+
+ if (g_file_test (arg, G_FILE_TEST_EXISTS)) {
+ plugin = gst_plugin_load_file (arg, &error);
+
+ if (plugin) {
+ if (print_aii) {
+ print_plugin_automatic_install_info (plugin);
+ } else {
+ print_plugin_info (plugin);
+ print_plugin_features (plugin);
+ }
+ } else {
+ g_print (_("Could not load plugin file: %s\n"), error->message);
+ g_error_free (error);
+ return -1;
+ }
+ } else {
+ g_print (_("No such element or plugin '%s'\n"), arg);
+ return -1;
+ }
+ }
+ }
+ }
+
+ return 0;
+}