/* GStreamer * Copyright (C) 1999,2000 Erik Walthinsen * 2000 Wim Taymans * 2004 Thomas Vander Stichele * * 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. */ #include "tools.h" #include #include #include #include static char *_name; static int print_element_info (GstElementFactory * factory, gboolean print_names); 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, 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); } } 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++; } } 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 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++; } } #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) { g_print ("%sImplemented Interfaces:\n", (_name) ? _name : ""); iface = ifaces; while (*iface) { g_print ("%s %s\n", (_name) ? _name : "", g_type_name (*iface)); iface++; } g_print ("%s\n", (_name) ? _name : ""); g_free (ifaces); } } } static void print_element_properties_info (GstElement * element) { GParamSpec **property_specs; guint num_properties, i; gboolean readable; 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); if (param->flags & G_PARAM_READABLE) { g_object_get_property (G_OBJECT (element), param->name, &value); readable = TRUE; } n_print (" %-20s: %s\n", g_param_spec_get_name (param), g_param_spec_get_blurb (param)); switch (G_VALUE_TYPE (&value)) { case G_TYPE_STRING:{ GParamSpecString *pstring = G_PARAM_SPEC_STRING (param); n_print ("%-23.23s String. ", ""); g_print ("Default: \"%s\" ", pstring->default_value ? pstring->default_value : ""); if (readable) { const char *string_val = g_value_get_string (&value); if (string_val == NULL) g_print ("Current: \"\""); 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_URI) { n_print ("%-23.23s URI", ""); } 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)) { GEnumValue *values; guint j = 0; gint enum_value; 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) break; j++; } n_print ("%-23.23s Enum \"%s\" (Current %d, \"%s\")", "", g_type_name (G_VALUE_TYPE (&value)), enum_value, values[j].value_nick); j = 0; while (values[j].value_name) { g_print ("\n%s%-23.23s (%d): \t%s", "", _name, values[j].value, values[j].value_nick); j++; } /* g_type_class_unref (ec); */ } else if (G_IS_PARAM_SPEC_FLAGS (param)) { GFlagsValue *values; guint j = 0; gint flags_value; GString *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 (flags) { g_string_append_printf (flags, " | %s", values[j].value_nick); } else { flags = g_string_new (values[j].value_nick); } } j++; } n_print ("%-23.23s Flags \"%s\" (Current: %d, \"%s\")", "", g_type_name (G_VALUE_TYPE (&value)), flags_value, (flags ? flags->str : "(none)")); j = 0; while (values[j].value_name) { g_print ("\n%s%-23.23s (%d): \t%s", "", _name, values[j].value, values[j].value_nick); j++; } if (flags) g_string_free (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 { 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"); } 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; GstPadTemplate *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->padtemplates; while (pads) { padtemplate = (GstPadTemplate *) (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->caps) { n_print (" Capabilities:\n"); print_caps (padtemplate->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 (GST_FLAG_IS_SET (element, GST_ELEMENT_COMPLEX)) { n_print (" GST_ELEMENT_COMPLEX\n"); have_flags = TRUE; } if (GST_FLAG_IS_SET (element, GST_ELEMENT_DECOUPLED)) { n_print (" GST_ELEMENT_DECOUPLED\n"); have_flags = TRUE; } if (GST_FLAG_IS_SET (element, GST_ELEMENT_THREAD_SUGGESTED)) { n_print (" GST_ELEMENT_THREADSUGGESTED\n"); have_flags = TRUE; } if (GST_FLAG_IS_SET (element, GST_ELEMENT_EVENT_AWARE)) { n_print (" GST_ELEMENT_EVENT_AWARE\n"); have_flags = TRUE; } if (!have_flags) n_print (" no flags set\n"); if (GST_IS_BIN (element)) { n_print ("\n"); n_print ("Bin Flags:\n"); if (GST_FLAG_IS_SET (element, GST_BIN_FLAG_MANAGER)) { n_print (" GST_BIN_FLAG_MANAGER\n"); have_flags = TRUE; } if (GST_FLAG_IS_SET (element, GST_BIN_SELF_SCHEDULABLE)) { n_print (" GST_BIN_SELF_SCHEDULABLE\n"); have_flags = TRUE; } if (GST_FLAG_IS_SET (element, GST_BIN_FLAG_PREFER_COTHREADS)) { n_print (" GST_BIN_FLAG_PREFER_COTHREADS\n"); have_flags = TRUE; } 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"); if (element->loopfunc) n_print (" loopfunc()-based element: %s\n", GST_DEBUG_FUNCPTR_NAME (element->loopfunc)); else n_print (" No loopfunc(), must be chain-based or not configured yet\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; GstRealPad *realpad; n_print ("\n"); n_print ("Pads:\n"); if (!element->numpads) { n_print (" none\n"); return; } pads = gst_element_get_pad_list (element); while (pads) { pad = GST_PAD (pads->data); pads = g_list_next (pads); realpad = GST_PAD_REALIZE (pad); n_print (""); if (gst_pad_get_direction (GST_PAD (realpad)) == GST_PAD_SRC) g_print (" SRC: '%s'", gst_pad_get_name (pad)); else if (gst_pad_get_direction (GST_PAD (realpad)) == GST_PAD_SINK) g_print (" SINK: '%s'", gst_pad_get_name (pad)); else g_print (" UNKNOWN!!!: '%s'", gst_pad_get_name (pad)); if (GST_IS_GHOST_PAD (pad)) g_print (", ghost of real pad %s:%s\n", GST_DEBUG_PAD_NAME (realpad)); else g_print ("\n"); n_print (" Implementation:\n"); if (realpad->chainfunc) n_print (" Has chainfunc(): %s\n", GST_DEBUG_FUNCPTR_NAME (realpad->chainfunc)); if (realpad->getfunc) n_print (" Has getfunc(): %s\n", GST_DEBUG_FUNCPTR_NAME (realpad->getfunc)); if (realpad->formatsfunc != gst_pad_get_formats_default) { n_print (" Supports seeking/conversion/query formats:\n"); print_formats (gst_pad_get_formats (GST_PAD (realpad))); } if (realpad->convertfunc != gst_pad_convert_default) n_print (" Has custom convertfunc(): %s\n", GST_DEBUG_FUNCPTR_NAME (realpad->convertfunc)); if (realpad->eventfunc != gst_pad_event_default) n_print (" Has custom eventfunc(): %s\n", GST_DEBUG_FUNCPTR_NAME (realpad->eventfunc)); if (realpad->eventmaskfunc != gst_pad_get_event_masks_default) { n_print (" Provides event masks:\n"); print_event_masks (gst_pad_get_event_masks (GST_PAD (realpad))); } if (realpad->queryfunc != gst_pad_query_default) n_print (" Has custom queryfunc(): %s\n", GST_DEBUG_FUNCPTR_NAME (realpad->queryfunc)); if (realpad->querytypefunc != gst_pad_get_query_types_default) { n_print (" Provides query types:\n"); print_query_types (gst_pad_get_query_types (GST_PAD (realpad))); } if (realpad->intlinkfunc != gst_pad_get_internal_links_default) n_print (" Has custom intconnfunc(): %s\n", GST_DEBUG_FUNCPTR_NAME (realpad->intlinkfunc)); if (realpad->bufferallocfunc) n_print (" Has bufferallocfunc(): %s\n", GST_DEBUG_FUNCPTR_NAME (realpad->bufferallocfunc)); if (pad->padtemplate) n_print (" Pad Template: '%s'\n", pad->padtemplate->name_template); if (realpad->caps) { n_print (" Capabilities:\n"); print_caps (realpad->caps, " "); } } } static void print_dynamic_parameters_info (GstElement * element) { GstDParamManager *dpman; GParamSpec **specs = NULL; gint x; if ((dpman = gst_dpman_get_manager (element))) { specs = gst_dpman_list_dparam_specs (dpman); } if (specs && specs[0] != NULL) { n_print ("\n"); n_print ("Dynamic Parameters:\n"); for (x = 0; specs[x] != NULL; x++) { g_print (" %-20.20s: ", g_param_spec_get_name (specs[x])); switch (G_PARAM_SPEC_VALUE_TYPE (specs[x])) { case G_TYPE_INT64: g_print ("64 Bit Integer (Default %" G_GINT64_FORMAT ", Range %" G_GINT64_FORMAT " -> %" G_GINT64_FORMAT ")", ((GParamSpecInt64 *) specs[x])->default_value, ((GParamSpecInt64 *) specs[x])->minimum, ((GParamSpecInt64 *) specs[x])->maximum); break; case G_TYPE_INT: g_print ("Integer (Default %d, Range %d -> %d)", ((GParamSpecInt *) specs[x])->default_value, ((GParamSpecInt *) specs[x])->minimum, ((GParamSpecInt *) specs[x])->maximum); break; case G_TYPE_FLOAT: g_print ("Float. Default: %-8.8s %15.7g\n", "", ((GParamSpecFloat *) specs[x])->default_value); g_print ("%-23.23s Range: %15.7g - %15.7g", "", ((GParamSpecFloat *) specs[x])->minimum, ((GParamSpecFloat *) specs[x])->maximum); break; case G_TYPE_DOUBLE: g_print ("Double. Default: %-8.8s %15.7g\n", "", ((GParamSpecDouble *) specs[x])->default_value); g_print ("%-23.23s Range: %15.7g - %15.7g", "", ((GParamSpecDouble *) specs[x])->minimum, ((GParamSpecDouble *) specs[x])->maximum); break; default: g_print ("unknown %ld", G_PARAM_SPEC_VALUE_TYPE (specs[x])); } g_print ("\n"); } g_free (specs); } } #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); } } 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 (G_TYPE_IS_FUNDAMENTAL (query->param_types[j])) { g_print (",\n%s%s%s arg%d", _name, indent, g_type_name (query->param_types[j]), j); } else { g_print (",\n%s%s%s* arg%d", _name, indent, g_type_name (query->param_types[j]), j); } } if (k == 0) g_print (",\n%s%sgpointer user_data);\n", _name, 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_get_list (GST_BIN (element)); 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) { GList *plugins; plugins = gst_registry_pool_plugin_list (); while (plugins) { GList *features; GstPlugin *plugin; plugin = (GstPlugin *) (plugins->data); plugins = g_list_next (plugins); features = gst_plugin_get_feature_list (plugin); while (features) { GstPluginFeature *feature; feature = GST_PLUGIN_FEATURE (features->data); 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), factory->details.longname); } #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 (GST_IS_SCHEDULER_FACTORY (feature)) { GstSchedulerFactory *factory; factory = GST_SCHEDULER_FACTORY (feature); if (!print_all) g_print ("%s: %s: %s\n", plugin->desc.name, GST_PLUGIN_FEATURE_NAME (factory), factory->longdesc); } 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); } } } static void print_plugin_info (GstPlugin * plugin) { n_print ("Plugin Details:\n"); n_print (" Name:\t\t%s\n", plugin->desc.name); n_print (" Description:\t%s\n", plugin->desc.description); n_print (" Filename:\t%s\n", plugin->filename ? plugin->filename : "(null)"); n_print (" Version:\t%s\n", plugin->desc.version); n_print (" License:\t%s\n", plugin->desc.license); n_print (" Package:\t%s\n", plugin->desc.package); n_print (" Origin URL:\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_schedulers = 0; gint num_indexes = 0; gint num_other = 0; features = gst_plugin_get_feature_list (plugin); 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_OBJECT_NAME (factory), factory->details.longname); 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 type: ", plugin->desc.name); while (factory->extensions[i]) { g_print ("%s%s", i > 0 ? ", " : "", factory->extensions[i]); i++; } g_print ("\n"); } else g_print ("%s type: N/A\n", plugin->desc.name); num_types++; } else if (GST_IS_SCHEDULER_FACTORY (feature)) { GstSchedulerFactory *factory; factory = GST_SCHEDULER_FACTORY (feature); n_print (" %s: %s\n", GST_OBJECT_NAME (factory), factory->longdesc); num_schedulers++; } 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_schedulers > 0) n_print (" +-- %d schedulers\n", num_schedulers); 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 */ feature = gst_registry_pool_find_feature (element_name, GST_TYPE_SCHEDULER_FACTORY); if (feature) { n_print ("%s: a scheduler\n", element_name); return 0; } #ifndef GST_DISABLE_INDEX feature = gst_registry_pool_find_feature (element_name, GST_TYPE_INDEX_FACTORY); if (feature) { n_print ("%s: an index\n", element_name); return 0; } #endif feature = gst_registry_pool_find_feature (element_name, GST_TYPE_TYPE_FIND_FACTORY); if (feature) { n_print ("%s: a typefind function\n", element_name); return 0; } #ifndef GST_DISABLE_URI feature = gst_registry_pool_find_feature (element_name, GST_TYPE_URI_HANDLER); if (feature) { n_print ("%s: an uri handler\n", element_name); return 0; } #endif return -1; } static int print_element_info (GstElementFactory * factory, gboolean print_names) { GstElement *element; gint maxlevel = 0; 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 = ""; print_factory_details_info (factory); if (GST_PLUGIN_FEATURE (factory)->manager) { GstPlugin *plugin = (GstPlugin *) GST_PLUGIN_FEATURE (factory)->manager; 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_dynamic_parameters_info (element); print_signal_info (element); print_children_info (element); if (_name != "") g_free (_name); return 0; } int main (int argc, char *argv[]) { gboolean print_all = FALSE; struct poptOption options[] = { GST_TOOLS_POPT_VERSION, {"print-all", 'a', POPT_ARG_NONE | POPT_ARGFLAG_STRIP, &print_all, 0, N_("Print all elements"), NULL}, POPT_TABLEEND }; #ifdef GETTEXT_PACKAGE bindtextdomain (GETTEXT_PACKAGE, LOCALEDIR); bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8"); textdomain (GETTEXT_PACKAGE); #endif gst_init_with_popt_table (&argc, &argv, options); gst_tools_print_version ("gst-inspect-0.8"); gst_control_init (&argc, &argv); 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); } else { retval = print_element_features (arg); } /* otherwise check if it's a plugin */ if (retval) { plugin = gst_registry_pool_find_plugin (arg); /* if there is such a plugin, print out info */ if (plugin) { print_plugin_info (plugin); print_plugin_features (plugin); } else { g_print ("No such element or plugin '%s'\n", arg); return -1; } } } return 0; }