FFmpeg
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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
34{
36 if (!res)
37 return NULL;
38 res->context_mutex = INVALID_HANDLE_VALUE;
39 return res;
40}
41#else
43
45{
46 return NULL;
47}
48#endif /* CONFIG_D3D11VA */
#define NULL
Definition coverity.c:32
Public libavcodec D3D11VA header.
error code definitions
struct AVD3D11VAContext * av_d3d11va_alloc_context(void)
Allocate an AVD3D11VAContext.
Definition d3d11va.c:44
Memory handling functions.
This structure is used to provides the necessary configurations and data to the Direct3D11 FFmpeg HWA...
Definition d3d11va.h:56
HANDLE context_mutex
Mutex to access video_context.
Definition d3d11va.h:95
#define av_mallocz(s)