| /* GStreamer gst-xmlinspect |
| * Copyright (C) 2003 Wim Taymans <wtay@chello.be> |
| * |
| * 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. |
| */ |
| |
| /* FIXME 0.11: remove gst-xmlinspect and gst-feedback etc. */ |
| #ifdef HAVE_CONFIG_H |
| # include "config.h" |
| #endif |
| |
| #include <string.h> |
| #include <locale.h> |
| #include <glib/gprintf.h> |
| |
| #include "tools.h" |
| |
| #define PUT_START_TAG(pfx,tag) \ |
| G_STMT_START{ \ |
| g_print ("%*.*s<%s>\n", pfx, pfx, "", tag); \ |
| }G_STMT_END |
| |
| #define PUT_END_TAG(pfx,tag) \ |
| G_STMT_START{ \ |
| g_print ("%*.*s</%s>\n", pfx, pfx, "", tag); \ |
| }G_STMT_END |
| |
| #define PUT_ESCAPED(pfx,tag,value) \ |
| G_STMT_START{ \ |
| const gchar *toconv = value; \ |
| if (value) { \ |
| gchar *v = g_markup_escape_text (toconv, strlen (toconv)); \ |
| g_print ("%*.*s<%s>%s</%s>\n", pfx, pfx, "", tag, v, tag); \ |
| g_free (v); \ |
| } \ |
| }G_STMT_END |
| |
| #ifdef G_HAVE_ISO_VARARGS |
| |
| #define PUT_STRING(pfx, ...) \ |
| G_STMT_START{ \ |
| gchar *ps_val = g_strdup_printf(__VA_ARGS__); \ |
| g_print ("%*.*s%s\n", pfx, pfx, "", ps_val); \ |
| g_free(ps_val); \ |
| }G_STMT_END |
| |
| #elif defined(G_HAVE_GNUC_VARARGS) |
| |
| #define PUT_STRING(pfx, str, a...) \ |
| G_STMT_START{ \ |
| g_print ("%*.*s"str"\n", pfx, pfx, "" , ##a); \ |
| }G_STMT_END |
| |
| #else |
| |
| static inline void |
| PUT_STRING (int pfx, const char *format, ...) |
| { |
| va_list varargs; |
| |
| g_print ("%*.*s", pfx, pfx, ""); |
| va_start (varargs, format); |
| g_vprintf (format, varargs); |
| va_end (varargs); |
| g_print ("\n"); |
| } |
| |
| #endif |
| |
| static void |
| print_caps (const GstCaps * caps, gint pfx) |
| { |
| char *s; |
| |
| if (!caps) |
| return; |
| |
| s = gst_caps_to_string (caps); |
| PUT_ESCAPED (pfx, "caps", s); |
| g_free (s); |
| } |
| |
| #if 0 |
| static void |
| print_formats (const GstFormat * formats, gint pfx) |
| { |
| while (formats && *formats) { |
| const GstFormatDefinition *definition; |
| |
| definition = gst_format_get_details (*formats); |
| if (definition) |
| PUT_STRING (pfx, "<format id=\"%d\" nick=\"%s\">%s</format>", |
| *formats, definition->nick, definition->description); |
| else |
| PUT_STRING (pfx, "<format id=\"%d\">unknown</format>", *formats); |
| |
| formats++; |
| } |
| } |
| #endif |
| |
| static void |
| print_query_types (const GstQueryType * types, gint pfx) |
| { |
| while (types && *types) { |
| const GstQueryTypeDefinition *definition; |
| |
| definition = gst_query_type_get_details (*types); |
| if (definition) |
| PUT_STRING (pfx, "<query-type id=\"%d\" nick=\"%s\">%s</query-type>", |
| *types, definition->nick, definition->description); |
| else |
| PUT_STRING (pfx, "<query-type id=\"%d\">unknown</query-type>", *types); |
| |
| types++; |
| } |
| } |
| |
| #if 0 |
| static void |
| print_event_masks (const GstEventMask * masks, gint pfx) |
| { |
| #ifndef GST_DISABLE_ENUMTYPES |
| 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); |
| PUT_STRING (pfx, "<event type=\"%s\">", value->value_nick); |
| |
| while (flags) { |
| GFlagsValue *value; |
| |
| if (flags & 1) { |
| value = g_flags_get_first_value (flags_class, 1 << index); |
| |
| if (value) |
| PUT_ESCAPED (pfx + 1, "flag", value->value_nick); |
| else |
| PUT_ESCAPED (pfx + 1, "flag", "?"); |
| } |
| flags >>= 1; |
| index++; |
| } |
| PUT_END_TAG (pfx, "event"); |
| |
| masks++; |
| } |
| #endif |
| } |
| #endif |
| |
| static void |
| output_hierarchy (GType type, gint level, gint * maxlevel) |
| { |
| GType parent; |
| |
| parent = g_type_parent (type); |
| |
| *maxlevel = *maxlevel + 1; |
| level++; |
| |
| PUT_STRING (level, "<object name=\"%s\">", g_type_name (type)); |
| |
| if (parent) |
| output_hierarchy (parent, level, maxlevel); |
| |
| PUT_END_TAG (level, "object"); |
| } |
| |
| static void |
| print_element_properties (GstElement * element, gint pfx) |
| { |
| GParamSpec **property_specs; |
| guint num_properties; |
| gint i; |
| gboolean readable; |
| |
| property_specs = g_object_class_list_properties |
| (G_OBJECT_GET_CLASS (element), &num_properties); |
| |
| PUT_START_TAG (pfx, "element-properties"); |
| |
| 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; |
| } |
| PUT_START_TAG (pfx + 1, "element-property"); |
| PUT_ESCAPED (pfx + 2, "name", g_param_spec_get_name (param)); |
| PUT_ESCAPED (pfx + 2, "type", g_type_name (param->value_type)); |
| PUT_ESCAPED (pfx + 2, "nick", g_param_spec_get_nick (param)); |
| PUT_ESCAPED (pfx + 2, "blurb", g_param_spec_get_blurb (param)); |
| if (readable) { |
| PUT_ESCAPED (pfx + 2, "flags", "RW"); |
| } else { |
| PUT_ESCAPED (pfx + 2, "flags", "W"); |
| } |
| |
| switch (G_VALUE_TYPE (&value)) { |
| case G_TYPE_STRING: |
| PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value)); |
| break; |
| case G_TYPE_BOOLEAN: |
| PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value)); |
| break; |
| case G_TYPE_ULONG: |
| { |
| GParamSpecULong *pulong = G_PARAM_SPEC_ULONG (param); |
| |
| PUT_STRING (pfx + 2, "<range min=\"%lu\" max=\"%lu\"/>", |
| pulong->minimum, pulong->maximum); |
| PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value)); |
| break; |
| } |
| case G_TYPE_LONG: |
| { |
| GParamSpecLong *plong = G_PARAM_SPEC_LONG (param); |
| |
| PUT_STRING (pfx + 2, "<range min=\"%ld\" max=\"%ld\"/>", |
| plong->minimum, plong->maximum); |
| PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value)); |
| break; |
| } |
| case G_TYPE_UINT: |
| { |
| GParamSpecUInt *puint = G_PARAM_SPEC_UINT (param); |
| |
| PUT_STRING (pfx + 2, "<range min=\"%u\" max=\"%u\"/>", |
| puint->minimum, puint->maximum); |
| PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value)); |
| break; |
| } |
| case G_TYPE_INT: |
| { |
| GParamSpecInt *pint = G_PARAM_SPEC_INT (param); |
| |
| PUT_STRING (pfx + 2, "<range min=\"%d\" max=\"%d\"/>", |
| pint->minimum, pint->maximum); |
| PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value)); |
| break; |
| } |
| case G_TYPE_UINT64: |
| { |
| GParamSpecUInt64 *puint64 = G_PARAM_SPEC_UINT64 (param); |
| |
| PUT_STRING (pfx + 2, |
| "<range min=\"%" G_GUINT64_FORMAT "\" max=\"%" G_GUINT64_FORMAT |
| "\"/>", puint64->minimum, puint64->maximum); |
| PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value)); |
| break; |
| } |
| case G_TYPE_INT64: |
| { |
| GParamSpecInt64 *pint64 = G_PARAM_SPEC_INT64 (param); |
| |
| PUT_STRING (pfx + 2, |
| "<range min=\"%" G_GINT64_FORMAT "\" max=\"%" G_GINT64_FORMAT |
| "\"/>", pint64->minimum, pint64->maximum); |
| PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value)); |
| break; |
| } |
| case G_TYPE_FLOAT: |
| { |
| GParamSpecFloat *pfloat = G_PARAM_SPEC_FLOAT (param); |
| |
| PUT_STRING (pfx + 2, "<range min=\"%f\" max=\"%f\"/>", |
| pfloat->minimum, pfloat->maximum); |
| PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value)); |
| break; |
| } |
| case G_TYPE_DOUBLE: |
| { |
| GParamSpecDouble *pdouble = G_PARAM_SPEC_DOUBLE (param); |
| |
| PUT_STRING (pfx + 2, "<range min=\"%g\" max=\"%g\"/>", |
| pdouble->minimum, pdouble->maximum); |
| PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value)); |
| break; |
| } |
| default: |
| if (param->value_type == GST_TYPE_CAPS) { |
| GstCaps *caps = g_value_peek_pointer (&value); |
| |
| if (!caps) |
| PUT_ESCAPED (pfx + 2, "default", "NULL"); |
| else { |
| print_caps (caps, 2); |
| } |
| } 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++; |
| } |
| PUT_STRING (pfx + 2, "<default>%d</default>", values[j].value); |
| |
| PUT_START_TAG (pfx + 2, "enum-values"); |
| j = 0; |
| while (values[j].value_name) { |
| PUT_STRING (pfx + 3, "<value value=\"%d\" nick=\"%s\"/>", |
| values[j].value, values[j].value_nick); |
| j++; |
| } |
| PUT_END_TAG (pfx + 2, "enum-values"); |
| } else if (G_IS_PARAM_SPEC_FLAGS (param)) { |
| GFlagsValue *values; |
| guint j = 0; |
| gint flags_value; |
| |
| values = G_FLAGS_CLASS (g_type_class_ref (param->value_type))->values; |
| flags_value = g_value_get_flags (&value); |
| |
| PUT_STRING (pfx + 2, "<default>%d</default>", flags_value); |
| |
| PUT_START_TAG (pfx + 2, "flags"); |
| j = 0; |
| while (values[j].value_name) { |
| PUT_STRING (pfx + 3, "<flag value=\"%d\" nick=\"%s\"/>", |
| values[j].value, values[j].value_nick); |
| j++; |
| } |
| PUT_END_TAG (pfx + 2, "flags"); |
| } else if (G_IS_PARAM_SPEC_OBJECT (param)) { |
| PUT_ESCAPED (pfx + 2, "object-type", g_type_name (param->value_type)); |
| } |
| break; |
| } |
| |
| PUT_END_TAG (pfx + 1, "element-property"); |
| } |
| PUT_END_TAG (pfx, "element-properties"); |
| g_free (property_specs); |
| } |
| |
| static void |
| print_element_signals (GstElement * element, gint pfx) |
| { |
| guint *signals; |
| guint nsignals; |
| gint i, k; |
| GSignalQuery *query; |
| |
| signals = g_signal_list_ids (G_OBJECT_TYPE (element), &nsignals); |
| for (k = 0; k < 2; k++) { |
| gint counted = 0; |
| |
| if (k == 0) |
| PUT_START_TAG (pfx, "element-signals"); |
| else |
| PUT_START_TAG (pfx, "element-actions"); |
| |
| for (i = 0; i < nsignals; i++) { |
| gint n_params; |
| GType return_type; |
| const GType *param_types; |
| gint j; |
| |
| 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))) { |
| n_params = query->n_params; |
| return_type = query->return_type; |
| param_types = query->param_types; |
| |
| PUT_START_TAG (pfx + 1, "signal"); |
| PUT_ESCAPED (pfx + 2, "name", query->signal_name); |
| PUT_ESCAPED (pfx + 2, "return-type", g_type_name (return_type)); |
| PUT_ESCAPED (pfx + 2, "object-type", |
| g_type_name (G_OBJECT_TYPE (element))); |
| |
| PUT_START_TAG (pfx + 2, "params"); |
| for (j = 0; j < n_params; j++) { |
| PUT_ESCAPED (pfx + 3, "type", g_type_name (param_types[j])); |
| } |
| |
| PUT_END_TAG (pfx + 2, "params"); |
| |
| PUT_END_TAG (pfx + 1, "signal"); |
| |
| counted++; |
| } |
| |
| g_free (query); |
| } |
| if (k == 0) |
| PUT_END_TAG (pfx, "element-signals"); |
| else |
| PUT_END_TAG (pfx, "element-actions"); |
| } |
| } |
| |
| static gint |
| print_element_info (GstElementFactory * factory) |
| { |
| GstElement *element; |
| GstObjectClass *gstobject_class; |
| GstElementClass *gstelement_class; |
| GList *pads; |
| GstPad *pad; |
| GstStaticPadTemplate *padtemplate; |
| gint maxlevel = 0; |
| |
| element = gst_element_factory_create (factory, "element"); |
| if (!element) { |
| g_print ("couldn't construct element for some reason\n"); |
| return -1; |
| } |
| PUT_START_TAG (0, "element"); |
| PUT_ESCAPED (1, "name", GST_PLUGIN_FEATURE_NAME (factory)); |
| |
| gstobject_class = GST_OBJECT_CLASS (G_OBJECT_GET_CLASS (element)); |
| gstelement_class = GST_ELEMENT_CLASS (G_OBJECT_GET_CLASS (element)); |
| |
| PUT_START_TAG (1, "details"); |
| PUT_ESCAPED (2, "long-name", factory->details.longname); |
| PUT_ESCAPED (2, "class", factory->details.klass); |
| PUT_ESCAPED (2, "description", factory->details.description); |
| PUT_ESCAPED (2, "authors", factory->details.author); |
| PUT_END_TAG (1, "details"); |
| |
| output_hierarchy (G_OBJECT_TYPE (element), 0, &maxlevel); |
| |
| PUT_START_TAG (1, "pad-templates"); |
| if (factory->numpadtemplates) { |
| pads = factory->staticpadtemplates; |
| while (pads) { |
| padtemplate = (GstStaticPadTemplate *) (pads->data); |
| pads = g_list_next (pads); |
| |
| PUT_START_TAG (2, "pad-template"); |
| PUT_ESCAPED (3, "name", padtemplate->name_template); |
| |
| if (padtemplate->direction == GST_PAD_SRC) |
| PUT_ESCAPED (3, "direction", "src"); |
| else if (padtemplate->direction == GST_PAD_SINK) |
| PUT_ESCAPED (3, "direction", "sink"); |
| else |
| PUT_ESCAPED (3, "direction", "unknown"); |
| |
| if (padtemplate->presence == GST_PAD_ALWAYS) |
| PUT_ESCAPED (3, "presence", "always"); |
| else if (padtemplate->presence == GST_PAD_SOMETIMES) |
| PUT_ESCAPED (3, "presence", "sometimes"); |
| else if (padtemplate->presence == GST_PAD_REQUEST) { |
| PUT_ESCAPED (3, "presence", "request"); |
| PUT_ESCAPED (3, "request-function", |
| GST_DEBUG_FUNCPTR_NAME (gstelement_class->request_new_pad)); |
| } else |
| PUT_ESCAPED (3, "presence", "unknown"); |
| |
| if (padtemplate->static_caps.string) { |
| print_caps (gst_static_caps_get (&padtemplate->static_caps), 3); |
| } |
| PUT_END_TAG (2, "pad-template"); |
| } |
| } |
| PUT_END_TAG (1, "pad-templates"); |
| |
| PUT_START_TAG (1, "element-flags"); |
| PUT_END_TAG (1, "element-flags"); |
| |
| if (GST_IS_BIN (element)) { |
| PUT_START_TAG (1, "bin-flags"); |
| |
| PUT_END_TAG (1, "bin-flags"); |
| } |
| |
| |
| PUT_START_TAG (1, "element-implementation"); |
| |
| PUT_STRING (2, "<state-change function=\"%s\"/>", |
| GST_DEBUG_FUNCPTR_NAME (gstelement_class->change_state)); |
| |
| #ifndef GST_DISABLE_LOADSAVE |
| PUT_STRING (2, "<save function=\"%s\"/>", |
| GST_DEBUG_FUNCPTR_NAME (gstobject_class->save_thyself)); |
| PUT_STRING (2, "<load function=\"%s\"/>", |
| GST_DEBUG_FUNCPTR_NAME (gstobject_class->restore_thyself)); |
| #endif |
| PUT_END_TAG (1, "element-implementation"); |
| |
| PUT_START_TAG (1, "clocking-interaction"); |
| if (gst_element_requires_clock (element)) { |
| PUT_STRING (2, "<requires-clock/>"); |
| } |
| if (gst_element_provides_clock (element)) { |
| GstClock *clock; |
| |
| clock = gst_element_get_clock (element); |
| if (clock) |
| PUT_STRING (2, "<provides-clock name=\"%s\"/>", GST_OBJECT_NAME (clock)); |
| } |
| PUT_END_TAG (1, "clocking-interaction"); |
| |
| #ifndef GST_DISABLE_INDEX |
| if (gst_element_is_indexable (element)) { |
| PUT_STRING (1, "<indexing-capabilities/>"); |
| } |
| #endif |
| |
| PUT_START_TAG (1, "pads"); |
| if (element->numpads) { |
| const GList *pads; |
| |
| pads = element->pads; |
| while (pads) { |
| pad = GST_PAD (pads->data); |
| pads = g_list_next (pads); |
| |
| PUT_START_TAG (2, "pad"); |
| PUT_ESCAPED (3, "name", gst_pad_get_name (pad)); |
| |
| if (gst_pad_get_direction (pad) == GST_PAD_SRC) |
| PUT_ESCAPED (3, "direction", "src"); |
| else if (gst_pad_get_direction (pad) == GST_PAD_SINK) |
| PUT_ESCAPED (3, "direction", "sink"); |
| else |
| PUT_ESCAPED (3, "direction", "unknown"); |
| |
| if (pad->padtemplate) |
| PUT_ESCAPED (3, "template", pad->padtemplate->name_template); |
| |
| PUT_START_TAG (3, "implementation"); |
| if (pad->chainfunc) |
| PUT_STRING (4, "<chain-based function=\"%s\"/>", |
| GST_DEBUG_FUNCPTR_NAME (pad->chainfunc)); |
| if (pad->getrangefunc) |
| PUT_STRING (4, "<get-range-based function=\"%s\"/>", |
| GST_DEBUG_FUNCPTR_NAME (pad->getrangefunc)); |
| if (pad->eventfunc != gst_pad_event_default) |
| PUT_STRING (4, "<event-function function=\"%s\"/>", |
| GST_DEBUG_FUNCPTR_NAME (pad->eventfunc)); |
| if (pad->queryfunc != gst_pad_query_default) |
| PUT_STRING (4, "<query-function function=\"%s\"/>", |
| GST_DEBUG_FUNCPTR_NAME (pad->queryfunc)); |
| if (pad->querytypefunc != gst_pad_get_query_types_default) { |
| PUT_STRING (4, "<query-type-func function=\"%s\">", |
| GST_DEBUG_FUNCPTR_NAME (pad->querytypefunc)); |
| print_query_types (gst_pad_get_query_types (pad), 5); |
| PUT_END_TAG (4, "query-type-func"); |
| } |
| |
| if (pad->intlinkfunc != gst_pad_get_internal_links_default) |
| PUT_STRING (4, "<intlink-function function=\"%s\"/>", |
| GST_DEBUG_FUNCPTR_NAME (pad->intlinkfunc)); |
| |
| if (pad->bufferallocfunc) |
| PUT_STRING (4, "<bufferalloc-function function=\"%s\"/>", |
| GST_DEBUG_FUNCPTR_NAME (pad->bufferallocfunc)); |
| PUT_END_TAG (3, "implementation"); |
| |
| if (pad->caps) { |
| print_caps (pad->caps, 3); |
| } |
| PUT_END_TAG (2, "pad"); |
| } |
| } |
| PUT_END_TAG (1, "pads"); |
| |
| print_element_properties (element, 1); |
| print_element_signals (element, 1); |
| |
| /* for compound elements */ |
| /* FIXME: gst_bin_get_list does not exist anymore |
| if (GST_IS_BIN (element)) { |
| GList *children; |
| GstElement *child; |
| PUT_START_TAG (1, "children"); |
| children = (GList *) gst_bin_get_list (GST_BIN (element)); |
| while (children) { |
| child = GST_ELEMENT (children->data); |
| children = g_list_next (children); |
| |
| PUT_ESCAPED (2, "child", GST_ELEMENT_NAME (child)); |
| } |
| PUT_END_TAG (1, "children"); |
| } |
| */ |
| PUT_END_TAG (0, "element"); |
| |
| return 0; |
| } |
| |
| int |
| main (int argc, char *argv[]) |
| { |
| GstElementFactory *factory; |
| GOptionEntry options[] = { |
| GST_TOOLS_GOPTION_VERSION, |
| {NULL} |
| }; |
| GOptionContext *ctx; |
| GError *err = NULL; |
| |
| setlocale (LC_ALL, ""); |
| |
| if (!g_thread_supported ()) |
| g_thread_init (NULL); |
| |
| ctx = g_option_context_new ("[ELEMENT-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-xmlinspect"); |
| |
| /* if no arguments, print out all elements */ |
| if (argc == 1) { |
| GList *features, *f; |
| |
| features = gst_registry_get_feature_list (gst_registry_get_default (), |
| GST_TYPE_ELEMENT_FACTORY); |
| |
| PUT_STRING (0, "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>"); |
| |
| for (f = features; f != NULL; f = f->next) |
| print_element_info (GST_ELEMENT_FACTORY (f->data)); |
| |
| gst_plugin_feature_list_free (features); |
| return 0; |
| } |
| |
| /* else we try to get a factory */ |
| factory = gst_element_factory_find (argv[1]); |
| |
| /* if there's a factory, print out the info */ |
| if (factory) { |
| PUT_STRING (0, "<?xml version=\"1.0\" encoding=\"UTF-8\" ?>"); |
| return print_element_info (factory); |
| } |
| |
| /* otherwise, error out */ |
| g_printerr ("no such element '%s'\n", argv[1]); |
| return -1; |
| } |
