gstreamer/sys/applemedia/vtutil.c

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/*
2013-02-16 01:44:19 +00:00
* Copyright (C) 2010 Ole André Vadla Ravnås <oleavr@soundrop.com>
*
* 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., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "vtutil.h"
gchar *
gst_vtutil_object_to_string (CFTypeRef obj)
{
gchar *result;
CFStringRef s;
if (obj == NULL)
return g_strdup ("(null)");
s = CFCopyDescription (obj);
result = gst_vtutil_string_to_utf8 (s);
CFRelease (s);
return result;
}
gchar *
gst_vtutil_string_to_utf8 (CFStringRef s)
{
gchar *result;
CFIndex size;
size = CFStringGetMaximumSizeForEncoding (CFStringGetLength (s),
kCFStringEncodingUTF8);
result = g_malloc (size + 1);
CFStringGetCString (s, result, size + 1, kCFStringEncodingUTF8);
return result;
}
void
gst_vtutil_dict_set_i32 (CFMutableDictionaryRef dict, CFStringRef key,
gint32 value)
{
CFNumberRef number;
number = CFNumberCreate (NULL, kCFNumberSInt32Type, &value);
CFDictionarySetValue (dict, key, number);
CFRelease (number);
}