QtGStreamer 1.2.0
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allocator.h
1/*
2 Copyright (C) 2014 Diane Trout <diane@ghic.org>
3
4 This library is free software; you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as published
6 by the Free Software Foundation; either version 2.1 of the License, or
7 (at your option) any later version.
8
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>.
16*/
17
18#ifndef QGST_ALLOCATOR_H
19#define QGST_ALLOCATOR_H
20
21#include "global.h"
22#include "object.h"
23#include "memory.h"
24
25namespace QGst {
26
30class QTGSTREAMER_EXPORT AllocationParams
31{
32public:
35 virtual ~AllocationParams();
36
37 AllocationParams & operator=(const AllocationParams & other);
38
39 MemoryFlags flags() const;
40 void setFlags(MemoryFlags flags);
41
42 size_t align() const;
43 void setAlign(size_t align);
44
45 size_t prefix() const;
46 void setPrefix(size_t align);
47
48 size_t padding() const;
49 void setPadding(size_t padding);
50
51 operator GstAllocationParams*();
52 operator const GstAllocationParams*() const;
53
54private:
55 friend class Allocator;
56 GstAllocationParams *d;
57};
58
62class QTGSTREAMER_EXPORT Allocator : public Object
63{
64 QGST_WRAPPER(Allocator)
65public:
67 static AllocatorPtr find(const char *name);
68
70 static AllocatorPtr getDefault();
72 static AllocatorPtr getSystemMemory();
73
75 MemoryPtr alloc(size_t size, const AllocationParams &params = AllocationParams());
79 void free(MemoryPtr & memory);
80};
81
82} //namespace QGst
83
84QGST_REGISTER_TYPE(QGst::Allocator)
85
86#endif /* QGST_ALLOCATOR_H */
Smart pointer class for working with wrapper classes that support reference counting.
Definition refpointer.h:91
Wrapper class for GstAllocationParams.
Definition allocator.h:31
Wrapper class for GstAllocator.
Definition allocator.h:63
Wrapper class for GstObject.
Definition object.h:29
Wrappers for GStreamer classes.