FFmpeg
Main Page
Related Pages
Modules
Namespaces
Namespace List
Namespace Members
All
Functions
Variables
Data Structures
Data Structures
Data Structure Index
Class Hierarchy
Data Fields
All
_
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
~
Functions
_
a
c
d
g
h
i
o
q
r
s
v
~
Variables
_
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
Enumerations
Enumerator
a
d
e
f
h
i
j
l
m
n
p
r
s
v
Files
File List
Globals
All
_
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
Functions
_
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
Variables
_
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
Typedefs
a
b
c
d
e
f
g
h
i
l
m
o
p
q
r
s
t
u
v
w
x
y
Enumerations
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
Enumerator
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
Macros
_
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
Examples
•
All
Data Structures
Namespaces
Files
Functions
Variables
Typedefs
Enumerations
Enumerator
Macros
Modules
Pages
libavcodec
d3d11va.c
Go to the documentation of this file.
1
/*
2
* Direct3D11 HW acceleration
3
*
4
* copyright (c) 2015 Steve Lhomme
5
*
6
* This file is part of FFmpeg.
7
*
8
* FFmpeg is free software; you can redistribute it and/or
9
* modify it under the terms of the GNU Lesser General Public
10
* License as published by the Free Software Foundation; either
11
* version 2.1 of the License, or (at your option) any later version.
12
*
13
* FFmpeg is distributed in the hope that it will be useful,
14
* but WITHOUT ANY WARRANTY; without even the implied warranty of
15
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16
* Lesser General Public License for more details.
17
*
18
* You should have received a copy of the GNU Lesser General Public
19
* License along with FFmpeg; if not, write to the Free Software
20
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
21
*/
22
23
#include <stddef.h>
24
25
#include "config.h"
26
27
#if CONFIG_D3D11VA
28
#include "
libavutil/error.h
"
29
#include "
libavutil/mem.h
"
30
31
#include "
d3d11va.h
"
32
33
AVD3D11VAContext
*
av_d3d11va_alloc_context
(
void
)
34
{
35
AVD3D11VAContext
* res =
av_mallocz
(
sizeof
(
AVD3D11VAContext
));
36
if
(!res)
37
return
NULL
;
38
res->
context_mutex
= INVALID_HANDLE_VALUE;
39
return
res;
40
}
41
#else
42
struct
AVD3D11VAContext
*
av_d3d11va_alloc_context
(
void
);
43
44
struct
AVD3D11VAContext
*
av_d3d11va_alloc_context
(
void
)
45
{
46
return
NULL
;
47
}
48
#endif
/* CONFIG_D3D11VA */
AVD3D11VAContext
This structure is used to provides the necessary configurations and data to the Direct3D11 FFmpeg HWA...
Definition:
d3d11va.h:56
AVD3D11VAContext::context_mutex
HANDLE context_mutex
Mutex to access video_context.
Definition:
d3d11va.h:95
NULL
#define NULL
Definition:
coverity.c:32
av_d3d11va_alloc_context
struct AVD3D11VAContext * av_d3d11va_alloc_context(void)
Allocate an AVD3D11VAContext.
Definition:
d3d11va.c:44
error.h
d3d11va.h
av_mallocz
void * av_mallocz(size_t size)
Allocate a memory block with alignment suitable for all memory accesses (including vectors if availab...
Definition:
mem.c:254
mem.h
Generated on Thu Sep 26 2024 23:14:53 for FFmpeg by
1.8.17