mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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g_setprgname is implicitly called by g_option_context_new() with a check to see if it's been set already, so set it before g_option_context_new() Move version printing back until after the options have been parsed, otherwise it won't work, since it evaluates a flag set by the option parser.
683 lines
20 KiB
C
683 lines
20 KiB
C
/* GStreamer gst-xmlinspect
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* Copyright (C) 2003 Wim Taymans <wtay@chello.be>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/* FIXME 0.11: remove gst-xmlinspect and gst-feedback etc. */
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <string.h>
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#include <locale.h>
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#include <glib/gprintf.h>
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#include "tools.h"
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#define PUT_START_TAG(pfx,tag) \
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G_STMT_START{ \
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g_print ("%*.*s<%s>\n", pfx, pfx, "", tag); \
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}G_STMT_END
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#define PUT_END_TAG(pfx,tag) \
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G_STMT_START{ \
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g_print ("%*.*s</%s>\n", pfx, pfx, "", tag); \
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}G_STMT_END
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#define PUT_ESCAPED(pfx,tag,value) \
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G_STMT_START{ \
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const gchar *toconv = value; \
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if (value) { \
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gchar *v = g_markup_escape_text (toconv, strlen (toconv)); \
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g_print ("%*.*s<%s>%s</%s>\n", pfx, pfx, "", tag, v, tag); \
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g_free (v); \
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} \
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}G_STMT_END
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#ifdef G_HAVE_ISO_VARARGS
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#define PUT_STRING(pfx, ...) \
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G_STMT_START{ \
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gchar *ps_val = g_strdup_printf(__VA_ARGS__); \
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g_print ("%*.*s%s\n", pfx, pfx, "", ps_val); \
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g_free(ps_val); \
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}G_STMT_END
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#elif defined(G_HAVE_GNUC_VARARGS)
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#define PUT_STRING(pfx, str, a...) \
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G_STMT_START{ \
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g_print ("%*.*s"str"\n", pfx, pfx, "" , ##a); \
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}G_STMT_END
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#else
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static inline void
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PUT_STRING (int pfx, const char *format, ...)
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{
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va_list varargs;
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g_print ("%*.*s", pfx, pfx, "");
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va_start (varargs, format);
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g_vprintf (format, varargs);
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va_end (varargs);
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g_print ("\n");
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}
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#endif
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static void
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print_caps (const GstCaps * caps, gint pfx)
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{
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char *s;
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if (!caps)
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return;
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s = gst_caps_to_string (caps);
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PUT_ESCAPED (pfx, "caps", s);
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g_free (s);
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}
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#if 0
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static void
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print_formats (const GstFormat * formats, gint pfx)
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{
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while (formats && *formats) {
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const GstFormatDefinition *definition;
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definition = gst_format_get_details (*formats);
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if (definition)
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PUT_STRING (pfx, "<format id=\"%d\" nick=\"%s\">%s</format>",
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*formats, definition->nick, definition->description);
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else
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PUT_STRING (pfx, "<format id=\"%d\">unknown</format>", *formats);
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formats++;
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}
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}
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#endif
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static void
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print_query_types (const GstQueryType * types, gint pfx)
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{
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while (types && *types) {
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const GstQueryTypeDefinition *definition;
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definition = gst_query_type_get_details (*types);
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if (definition)
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PUT_STRING (pfx, "<query-type id=\"%d\" nick=\"%s\">%s</query-type>",
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*types, definition->nick, definition->description);
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else
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PUT_STRING (pfx, "<query-type id=\"%d\">unknown</query-type>", *types);
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types++;
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}
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}
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#if 0
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static void
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print_event_masks (const GstEventMask * masks, gint pfx)
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{
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GType event_type;
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GEnumClass *klass;
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GType event_flags;
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GFlagsClass *flags_class = NULL;
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event_type = gst_event_type_get_type ();
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klass = (GEnumClass *) g_type_class_ref (event_type);
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while (masks && masks->type) {
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GEnumValue *value;
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gint flags = 0, index = 0;
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switch (masks->type) {
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case GST_EVENT_SEEK:
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flags = masks->flags;
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event_flags = gst_seek_type_get_type ();
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flags_class = (GFlagsClass *) g_type_class_ref (event_flags);
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break;
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default:
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break;
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}
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value = g_enum_get_value (klass, masks->type);
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PUT_STRING (pfx, "<event type=\"%s\">", value->value_nick);
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while (flags) {
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GFlagsValue *value;
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if (flags & 1) {
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value = g_flags_get_first_value (flags_class, 1 << index);
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if (value)
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PUT_ESCAPED (pfx + 1, "flag", value->value_nick);
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else
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PUT_ESCAPED (pfx + 1, "flag", "?");
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}
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flags >>= 1;
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index++;
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}
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PUT_END_TAG (pfx, "event");
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masks++;
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}
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}
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#endif
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static void
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output_hierarchy (GType type, gint level, gint * maxlevel)
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{
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GType parent;
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parent = g_type_parent (type);
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*maxlevel = *maxlevel + 1;
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level++;
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PUT_STRING (level, "<object name=\"%s\">", g_type_name (type));
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if (parent)
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output_hierarchy (parent, level, maxlevel);
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PUT_END_TAG (level, "object");
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}
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static void
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print_element_properties (GstElement * element, gint pfx)
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{
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GParamSpec **property_specs;
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guint num_properties;
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gint i;
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gboolean readable;
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property_specs = g_object_class_list_properties
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(G_OBJECT_GET_CLASS (element), &num_properties);
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PUT_START_TAG (pfx, "element-properties");
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for (i = 0; i < num_properties; i++) {
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GValue value = { 0, };
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GParamSpec *param = property_specs[i];
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readable = FALSE;
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g_value_init (&value, param->value_type);
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if (param->flags & G_PARAM_READABLE) {
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g_object_get_property (G_OBJECT (element), param->name, &value);
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readable = TRUE;
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}
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PUT_START_TAG (pfx + 1, "element-property");
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PUT_ESCAPED (pfx + 2, "name", g_param_spec_get_name (param));
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PUT_ESCAPED (pfx + 2, "type", g_type_name (param->value_type));
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PUT_ESCAPED (pfx + 2, "nick", g_param_spec_get_nick (param));
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PUT_ESCAPED (pfx + 2, "blurb", g_param_spec_get_blurb (param));
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if (readable) {
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PUT_ESCAPED (pfx + 2, "flags", "RW");
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} else {
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PUT_ESCAPED (pfx + 2, "flags", "W");
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}
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switch (G_VALUE_TYPE (&value)) {
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case G_TYPE_STRING:
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PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
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break;
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case G_TYPE_BOOLEAN:
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PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
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break;
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case G_TYPE_ULONG:
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{
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GParamSpecULong *pulong = G_PARAM_SPEC_ULONG (param);
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PUT_STRING (pfx + 2, "<range min=\"%lu\" max=\"%lu\"/>",
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pulong->minimum, pulong->maximum);
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PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
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break;
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}
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case G_TYPE_LONG:
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{
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GParamSpecLong *plong = G_PARAM_SPEC_LONG (param);
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PUT_STRING (pfx + 2, "<range min=\"%ld\" max=\"%ld\"/>",
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plong->minimum, plong->maximum);
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PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
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break;
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}
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case G_TYPE_UINT:
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{
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GParamSpecUInt *puint = G_PARAM_SPEC_UINT (param);
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PUT_STRING (pfx + 2, "<range min=\"%u\" max=\"%u\"/>",
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puint->minimum, puint->maximum);
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PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
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break;
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}
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case G_TYPE_INT:
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{
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GParamSpecInt *pint = G_PARAM_SPEC_INT (param);
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PUT_STRING (pfx + 2, "<range min=\"%d\" max=\"%d\"/>",
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pint->minimum, pint->maximum);
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PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
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break;
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}
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case G_TYPE_UINT64:
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{
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GParamSpecUInt64 *puint64 = G_PARAM_SPEC_UINT64 (param);
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PUT_STRING (pfx + 2,
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"<range min=\"%" G_GUINT64_FORMAT "\" max=\"%" G_GUINT64_FORMAT
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"\"/>", puint64->minimum, puint64->maximum);
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PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
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break;
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}
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case G_TYPE_INT64:
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{
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GParamSpecInt64 *pint64 = G_PARAM_SPEC_INT64 (param);
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PUT_STRING (pfx + 2,
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"<range min=\"%" G_GINT64_FORMAT "\" max=\"%" G_GINT64_FORMAT
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"\"/>", pint64->minimum, pint64->maximum);
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PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
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break;
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}
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case G_TYPE_FLOAT:
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{
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GParamSpecFloat *pfloat = G_PARAM_SPEC_FLOAT (param);
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PUT_STRING (pfx + 2, "<range min=\"%f\" max=\"%f\"/>",
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pfloat->minimum, pfloat->maximum);
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PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
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break;
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}
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case G_TYPE_DOUBLE:
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{
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GParamSpecDouble *pdouble = G_PARAM_SPEC_DOUBLE (param);
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PUT_STRING (pfx + 2, "<range min=\"%g\" max=\"%g\"/>",
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pdouble->minimum, pdouble->maximum);
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PUT_ESCAPED (pfx + 2, "default", g_strdup_value_contents (&value));
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break;
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}
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default:
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if (param->value_type == GST_TYPE_CAPS) {
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GstCaps *caps = g_value_peek_pointer (&value);
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if (!caps)
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PUT_ESCAPED (pfx + 2, "default", "NULL");
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else {
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print_caps (caps, 2);
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}
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} else if (G_IS_PARAM_SPEC_ENUM (param)) {
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GEnumValue *values;
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guint j = 0;
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gint enum_value;
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values = G_ENUM_CLASS (g_type_class_ref (param->value_type))->values;
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enum_value = g_value_get_enum (&value);
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while (values[j].value_name) {
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if (values[j].value == enum_value)
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break;
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j++;
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}
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PUT_STRING (pfx + 2, "<default>%d</default>", values[j].value);
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PUT_START_TAG (pfx + 2, "enum-values");
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j = 0;
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while (values[j].value_name) {
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PUT_STRING (pfx + 3, "<value value=\"%d\" nick=\"%s\"/>",
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values[j].value, values[j].value_nick);
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j++;
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}
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PUT_END_TAG (pfx + 2, "enum-values");
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} else if (G_IS_PARAM_SPEC_FLAGS (param)) {
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GFlagsValue *values;
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guint j = 0;
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gint flags_value;
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values = G_FLAGS_CLASS (g_type_class_ref (param->value_type))->values;
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flags_value = g_value_get_flags (&value);
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PUT_STRING (pfx + 2, "<default>%d</default>", flags_value);
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PUT_START_TAG (pfx + 2, "flags");
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j = 0;
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while (values[j].value_name) {
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PUT_STRING (pfx + 3, "<flag value=\"%d\" nick=\"%s\"/>",
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values[j].value, values[j].value_nick);
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j++;
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}
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PUT_END_TAG (pfx + 2, "flags");
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} else if (G_IS_PARAM_SPEC_OBJECT (param)) {
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PUT_ESCAPED (pfx + 2, "object-type", g_type_name (param->value_type));
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}
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break;
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}
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PUT_END_TAG (pfx + 1, "element-property");
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}
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PUT_END_TAG (pfx, "element-properties");
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g_free (property_specs);
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}
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static void
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print_element_signals (GstElement * element, gint pfx)
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{
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guint *signals;
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guint nsignals;
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gint i, k;
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GSignalQuery *query;
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signals = g_signal_list_ids (G_OBJECT_TYPE (element), &nsignals);
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for (k = 0; k < 2; k++) {
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gint counted = 0;
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if (k == 0)
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PUT_START_TAG (pfx, "element-signals");
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else
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PUT_START_TAG (pfx, "element-actions");
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for (i = 0; i < nsignals; i++) {
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gint n_params;
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GType return_type;
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const GType *param_types;
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gint j;
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query = g_new0 (GSignalQuery, 1);
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g_signal_query (signals[i], query);
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if ((k == 0 && !(query->signal_flags & G_SIGNAL_ACTION)) ||
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(k == 1 && (query->signal_flags & G_SIGNAL_ACTION))) {
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n_params = query->n_params;
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return_type = query->return_type;
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param_types = query->param_types;
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PUT_START_TAG (pfx + 1, "signal");
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PUT_ESCAPED (pfx + 2, "name", query->signal_name);
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PUT_ESCAPED (pfx + 2, "return-type", g_type_name (return_type));
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PUT_ESCAPED (pfx + 2, "object-type",
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g_type_name (G_OBJECT_TYPE (element)));
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PUT_START_TAG (pfx + 2, "params");
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for (j = 0; j < n_params; j++) {
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PUT_ESCAPED (pfx + 3, "type", g_type_name (param_types[j]));
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}
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PUT_END_TAG (pfx + 2, "params");
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PUT_END_TAG (pfx + 1, "signal");
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counted++;
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}
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g_free (query);
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}
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if (k == 0)
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PUT_END_TAG (pfx, "element-signals");
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else
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PUT_END_TAG (pfx, "element-actions");
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}
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}
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static gint
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print_element_info (GstElementFactory * factory)
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{
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GstElement *element;
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GstObjectClass *gstobject_class;
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GstElementClass *gstelement_class;
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GList *pads;
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GstPad *pad;
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GstStaticPadTemplate *padtemplate;
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gint maxlevel = 0;
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element = gst_element_factory_create (factory, "element");
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if (!element) {
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g_print ("couldn't construct element for some reason\n");
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return -1;
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}
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PUT_START_TAG (0, "element");
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PUT_ESCAPED (1, "name", GST_PLUGIN_FEATURE_NAME (factory));
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gstobject_class = GST_OBJECT_CLASS (G_OBJECT_GET_CLASS (element));
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gstelement_class = GST_ELEMENT_CLASS (G_OBJECT_GET_CLASS (element));
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PUT_START_TAG (1, "details");
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PUT_ESCAPED (2, "long-name", factory->details.longname);
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PUT_ESCAPED (2, "class", factory->details.klass);
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PUT_ESCAPED (2, "description", factory->details.description);
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PUT_ESCAPED (2, "authors", factory->details.author);
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PUT_END_TAG (1, "details");
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output_hierarchy (G_OBJECT_TYPE (element), 0, &maxlevel);
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PUT_START_TAG (1, "pad-templates");
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if (factory->numpadtemplates) {
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pads = factory->staticpadtemplates;
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while (pads) {
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padtemplate = (GstStaticPadTemplate *) (pads->data);
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pads = g_list_next (pads);
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PUT_START_TAG (2, "pad-template");
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PUT_ESCAPED (3, "name", padtemplate->name_template);
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if (padtemplate->direction == GST_PAD_SRC)
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PUT_ESCAPED (3, "direction", "src");
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else if (padtemplate->direction == GST_PAD_SINK)
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PUT_ESCAPED (3, "direction", "sink");
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else
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PUT_ESCAPED (3, "direction", "unknown");
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if (padtemplate->presence == GST_PAD_ALWAYS)
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PUT_ESCAPED (3, "presence", "always");
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else if (padtemplate->presence == GST_PAD_SOMETIMES)
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PUT_ESCAPED (3, "presence", "sometimes");
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else if (padtemplate->presence == GST_PAD_REQUEST) {
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PUT_ESCAPED (3, "presence", "request");
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PUT_ESCAPED (3, "request-function",
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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");
|
|
|
|
if (gst_element_is_indexable (element)) {
|
|
PUT_STRING (1, "<indexing-capabilities/>");
|
|
}
|
|
|
|
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->iterintlinkfunc != gst_pad_iterate_internal_links_default)
|
|
PUT_STRING (4, "<iterintlink-function function=\"%s\"/>",
|
|
GST_DEBUG_FUNCPTR_NAME (pad->iterintlinkfunc));
|
|
|
|
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, "");
|
|
|
|
g_thread_init (NULL);
|
|
|
|
gst_tools_set_prgname ("gst-xmlinspect");
|
|
|
|
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;
|
|
}
|