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
|
/* GStreamer
* Copyright (C) 2017 Sebastian Dröge <sebastian@centricular.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., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_PHYS_MEMORY_H__
#define __GST_PHYS_MEMORY_H__
#include <gst/gst.h>
#include <gst/allocators/allocators-prelude.h>
G_BEGIN_DECLS
#define GST_TYPE_PHYS_MEMORY_ALLOCATOR (gst_phys_memory_allocator_get_type())
GST_ALLOCATORS_API
G_DECLARE_INTERFACE (GstPhysMemoryAllocator, gst_phys_memory_allocator,
GST, PHYS_MEMORY_ALLOCATOR, GstAllocator)
#define GST_PHYS_MEMORY_ALLOCATOR_GET_INTERFACE(obj) (GST_PHYS_MEMORY_ALLOCATOR_GET_IFACE(obj))
#define GST_PHYS_MEMORY_ALLOCATOR_CAST(obj) ((GstPhysMemoryAllocator *)(obj))
/**
* GstPhysMemoryAllocatorInterface:
* @get_phys_addr: Implementations shall return the physicall memory address
* that is backing the provided memory, or 0 if none.
*
* Marker interface for allocators with physical address backed memory
*
* Since: 1.14
*/
struct _GstPhysMemoryAllocatorInterface
{
/*< private >*/
GTypeInterface parent_iface;
/*< public >*/
guintptr (*get_phys_addr) (GstPhysMemoryAllocator * allocator, GstMemory * mem);
};
GST_ALLOCATORS_API
gboolean gst_is_phys_memory (GstMemory *mem);
GST_ALLOCATORS_API
guintptr gst_phys_memory_get_phys_addr (GstMemory * mem);
G_END_DECLS
#endif /* __GST_PHYS_MEMORY_H__ */
|
