mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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7fdca5f428
Original commit message from CVS: Updated the colorization a bit more, and did a significant pass through all the other code to change categories on DEBUG and INFO statements to be correct, and not simply zero. There are still more, but this is a good first pass.
300 lines
6.8 KiB
C
300 lines
6.8 KiB
C
/* GStreamer
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* Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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* 2000 Wim Taymans <wtay@chello.be>
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*
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* gstutils.c: Utility functions: gtk_get_arg stuff, etc.
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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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#include <stdio.h>
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#include <string.h>
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#include "gstextratypes.h"
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#include "gstutils.h"
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/**
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* gst_util_get_int_arg:
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* @object: the object to query
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* @argname: the name of the argument
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*
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* Retrieves a property of an object as an integer.
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*
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* Returns: the property of the object
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*/
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gint
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gst_util_get_int_arg (GtkObject *object,guchar *argname)
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{
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GtkArg arg;
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arg.name = argname;
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gtk_object_getv(GTK_OBJECT(object),1,&arg);
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return GTK_VALUE_INT(arg);
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}
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/**
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* gst_util_get_bool_arg:
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* @object: the object to query
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* @argname: the name of the argument
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*
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* Retrieves a property of an object as a boolean.
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*
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* Returns: the property of the object
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*/
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gint
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gst_util_get_bool_arg (GtkObject *object,guchar *argname)
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{
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GtkArg arg;
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arg.name = argname;
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gtk_object_getv(GTK_OBJECT(object),1,&arg);
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return GTK_VALUE_BOOL(arg);
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}
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/**
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* gst_util_get_long_arg:
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* @object: the object to query
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* @argname: the name of the argument
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*
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* Retrieves a property of an object as a long.
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*
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* Returns: the property of the object
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*/
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glong
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gst_util_get_long_arg (GtkObject *object,guchar *argname)
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{
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GtkArg arg;
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arg.name = argname;
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gtk_object_getv(GTK_OBJECT(object),1,&arg);
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return GTK_VALUE_LONG(arg);
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}
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/**
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* gst_util_get_float_arg:
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* @object: the object to query
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* @argname: the name of the argument
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*
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* Retrieves a property of an object as a float.
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*
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* Returns: the property of the object
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*/
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gfloat
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gst_util_get_float_arg (GtkObject *object,guchar *argname)
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{
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GtkArg arg;
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arg.name = argname;
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gtk_object_getv(GTK_OBJECT(object),1,&arg);
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return GTK_VALUE_FLOAT(arg);
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}
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/**
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* gst_util_get_double_arg:
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* @object: the object to query
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* @argname: the name of the argument
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*
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* Retrieves a property of an object as a double.
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*
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* Returns: the property of the object
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*/
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gdouble
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gst_util_get_double_arg (GtkObject *object,guchar *argname)
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{
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GtkArg arg;
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arg.name = argname;
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gtk_object_getv(GTK_OBJECT(object),1,&arg);
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return GTK_VALUE_DOUBLE(arg);
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}
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/**
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* gst_util_get_string_arg:
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* @object: the object to query
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* @argname: the name of the argument
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*
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* Retrieves a property of an object as a string.
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*
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* Returns: the property of the object
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*/
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guchar*
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gst_util_get_string_arg (GtkObject *object,guchar *argname)
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{
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GtkArg arg;
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arg.name = argname;
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gtk_object_getv(GTK_OBJECT(object),1,&arg);
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return GTK_VALUE_STRING(arg);
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}
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/**
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* gst_util_get_pointer_arg:
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* @object: the object to query
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* @argname: the name of the argument
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*
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* Retrieves a property of an object as a pointer.
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*
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* Returns: the property of the object
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*/
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gpointer
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gst_util_get_pointer_arg (GtkObject *object,guchar *argname)
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{
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GtkArg arg;
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arg.name = argname;
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gtk_object_getv(GTK_OBJECT(object),1,&arg);
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return GTK_VALUE_POINTER(arg);
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}
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/**
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* gst_util_get_widget_arg:
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* @object: the object to query
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* @argname: the name of the argument
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*
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* Retrieves a property of an object as a widget.
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*
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* Returns: the property of the object
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*/
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GtkWidget*
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gst_util_get_widget_arg (GtkObject *object,guchar *argname)
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{
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GtkArg arg;
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arg.name = argname;
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gtk_object_getv(GTK_OBJECT(object),1,&arg);
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return GTK_WIDGET(GTK_VALUE_OBJECT(arg));
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}
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/**
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* gst_util_dump_mem:
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* @mem: a pointer to the memory to dump
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* @size: the size of the memory block to dump
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*
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* Dumps the memory block into a hex representation. Useful for debugging.
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*/
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void
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gst_util_dump_mem (guchar *mem, guint size)
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{
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guint i, j;
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i = j =0;
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while (i<size) {
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if (j == 0) {
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g_print("\n%08x : ", i);
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j = 15;
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}
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else {
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j--;
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}
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g_print("%02x ", mem[i]);
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i++;
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}
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g_print("\n");
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}
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/**
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* gst_util_set_object_arg:
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* @object: the object to set the argument of
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* @name: the name of the argument to set
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* @value: the string value to set
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*
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* Convertes the string value to the type of the objects argument and
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* sets the argument with it.
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*/
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void
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gst_util_set_object_arg (GtkObject *object, guchar *name, gchar *value)
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{
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if (name && value) {
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GtkType type = GTK_OBJECT_TYPE (object);
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GtkArgInfo *info;
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gchar *result;
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result = gtk_object_arg_get_info (type, name, &info);
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if (result) {
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g_print("gstutil: %s\n", result);
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}
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else if (info->arg_flags & GTK_ARG_WRITABLE) {
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switch (info->type) {
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case GTK_TYPE_STRING:
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gtk_object_set (GTK_OBJECT (object), name, value, NULL);
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break;
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case GTK_TYPE_ENUM:
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case GTK_TYPE_INT: {
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gint i;
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sscanf (value, "%d", &i);
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gtk_object_set (GTK_OBJECT (object), name, i, NULL);
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break;
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}
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case GTK_TYPE_LONG: {
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glong i;
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sscanf (value, "%ld", &i);
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gtk_object_set (GTK_OBJECT (object), name, i, NULL);
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break;
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}
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case GTK_TYPE_ULONG: {
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gulong i;
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sscanf (value, "%lu", &i);
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gtk_object_set (GTK_OBJECT (object), name, i, NULL);
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break;
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}
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case GTK_TYPE_BOOL: {
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gboolean i = FALSE;
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if (!strncmp ("true", value, 4)) i = TRUE;
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gtk_object_set (GTK_OBJECT (object), name, i, NULL);
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break;
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}
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case GTK_TYPE_CHAR: {
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gchar i;
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sscanf (value, "%c", &i);
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gtk_object_set (GTK_OBJECT (object), name, i, NULL);
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break;
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}
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case GTK_TYPE_UCHAR: {
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guchar i;
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sscanf (value, "%c", &i);
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gtk_object_set (GTK_OBJECT (object), name, i, NULL);
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break;
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}
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case GTK_TYPE_FLOAT: {
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gfloat i;
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sscanf (value, "%f", &i);
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gtk_object_set (GTK_OBJECT (object), name, i, NULL);
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break;
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}
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case GTK_TYPE_DOUBLE: {
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gfloat i;
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sscanf (value, "%g", &i);
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gtk_object_set (GTK_OBJECT (object), name, (gdouble)i, NULL);
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break;
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}
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default:
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if (GTK_FUNDAMENTAL_TYPE(info->type) == GTK_TYPE_ENUM) {
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gint i;
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sscanf (value, "%d", &i);
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gtk_object_set (GTK_OBJECT (object), name, i, NULL);
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}
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else if (info->type == GST_TYPE_FILENAME) {
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gtk_object_set (GTK_OBJECT (object), name, value, NULL);
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}
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break;
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}
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}
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}
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}
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