1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
/*
Copyright (C) 2009-2010 George Kiagiadakis <kiagiadakis.george@gmail.com>
This library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published
by the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "miniobject.h"
#include "objectstore_p.h"
#include <gst/gst.h>
namespace QGst {
MiniObjectPtr MiniObject::copy() const
{
return MiniObjectPtr::wrap(gst_mini_object_copy(object<GstMiniObject>()), false);
}
bool MiniObject::isWritable() const
{
return gst_mini_object_is_writable(object<GstMiniObject>());
}
void MiniObject::ref(bool increaseRef)
{
if (Private::ObjectStore::put(this)) {
if (increaseRef) {
gst_mini_object_ref(GST_MINI_OBJECT(m_object));
}
}
}
void MiniObject::unref()
{
if (Private::ObjectStore::take(this)) {
gst_mini_object_unref(GST_MINI_OBJECT(m_object));
delete this;
}
}
MiniObjectPtr MiniObject::makeWritable() const
{
/*
* Calling gst_*_make_writable() below is tempting but wrong.
* Since MiniObjects and Caps do not share the same C++ instance in various wrappings, calling
* gst_*_make_writable() on an already writable object and wrapping the result is wrong,
* since it would just return the same pointer and we would wrap it in a new C++ instance.
*/
if (!isWritable()) {
return copy();
} else {
return MiniObjectPtr(const_cast<MiniObject*>(this));
}
}
namespace Private {
QGlib::RefCountedObject *wrapMiniObject(void *miniObject)
{
return QGlib::constructWrapper(QGlib::Type::fromInstance(miniObject), miniObject);
}
} //namespace Private
} //namespace QGst
|