gstreamer/gst/gstutils.c

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/* GStreamer
* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
* 2000 Wim Taymans <wtay@chello.be>
*
* gstutils.c: Utility functions: gtk_get_arg stuff, etc.
*
* 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 "gstutils.h"
/**
* gst_util_get_int_arg:
* @object: the object to query
* @argname: the name of the argument
*
* retrieves a property of an object as an integer
*
* Returns: the property of the object
*/
gint gst_util_get_int_arg(GtkObject *object,guchar *argname) {
GtkArg arg;
arg.name = argname;
gtk_object_getv(GTK_OBJECT(object),1,&arg);
return GTK_VALUE_INT(arg);
}
/**
* gst_util_get_bool_arg:
* @object: the object to query
* @argname: the name of the argument
*
* retrieves a property of an object as a boolean
*
* Returns: the property of the object
*/
gint gst_util_get_bool_arg(GtkObject *object,guchar *argname) {
GtkArg arg;
arg.name = argname;
gtk_object_getv(GTK_OBJECT(object),1,&arg);
return GTK_VALUE_BOOL(arg);
}
/**
* gst_util_get_long_arg:
* @object: the object to query
* @argname: the name of the argument
*
* retrieves a property of an object as a long
*
* Returns: the property of the object
*/
glong gst_util_get_long_arg(GtkObject *object,guchar *argname) {
GtkArg arg;
arg.name = argname;
gtk_object_getv(GTK_OBJECT(object),1,&arg);
return GTK_VALUE_LONG(arg);
}
/**
* gst_util_get_float_arg:
* @object: the object to query
* @argname: the name of the argument
*
* retrieves a property of an object as a float
*
* Returns: the property of the object
*/
gfloat gst_util_get_float_arg(GtkObject *object,guchar *argname) {
GtkArg arg;
arg.name = argname;
gtk_object_getv(GTK_OBJECT(object),1,&arg);
return GTK_VALUE_FLOAT(arg);
}
/**
* gst_util_get_double_arg:
* @object: the object to query
* @argname: the name of the argument
*
* retrieves a property of an object as a double
*
* Returns: the property of the object
*/
gdouble gst_util_get_double_arg(GtkObject *object,guchar *argname) {
GtkArg arg;
arg.name = argname;
gtk_object_getv(GTK_OBJECT(object),1,&arg);
return GTK_VALUE_DOUBLE(arg);
}
/**
* gst_util_get_string_arg:
* @object: the object to query
* @argname: the name of the argument
*
* retrieves a property of an object as a string
*
* Returns: the property of the object
*/
guchar *gst_util_get_string_arg(GtkObject *object,guchar *argname) {
GtkArg arg;
arg.name = argname;
gtk_object_getv(GTK_OBJECT(object),1,&arg);
return GTK_VALUE_STRING(arg);
}
/**
* gst_util_get_pointer_arg:
* @object: the object to query
* @argname: the name of the argument
*
* retrieves a property of an object as a pointer
*
* Returns: the property of the object
*/
gpointer gst_util_get_pointer_arg(GtkObject *object,guchar *argname) {
GtkArg arg;
arg.name = argname;
gtk_object_getv(GTK_OBJECT(object),1,&arg);
return GTK_VALUE_POINTER(arg);
}
/**
* gst_util_get_widget_arg:
* @object: the object to query
* @argname: the name of the argument
*
* retrieves a property of an object as a widget
*
* Returns: the property of the object
*/
GtkWidget *gst_util_get_widget_arg(GtkObject *object,guchar *argname) {
GtkArg arg;
arg.name = argname;
gtk_object_getv(GTK_OBJECT(object),1,&arg);
return GTK_WIDGET(GTK_VALUE_OBJECT(arg));
}
/**
* gst_util_dump_mem:
* @mem: a pointer to the memory to dump
* @size: the size of the memory block to dump
*
* dumps the memory block into a hex representation. usefull
* for debugging.
*/
void gst_util_dump_mem(guchar *mem, guint size) {
guint i, j;
i = j =0;
while (i<size) {
if (j == 0) {
g_print("\n%08x : ", i);
j = 15;
}
else {
j--;
}
g_print("%02x ", mem[i]);
i++;
}
g_print("\n");
}