FFmpeg
dxva2.h
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1 /*
2  * DXVA2 HW acceleration
3  *
4  * copyright (c) 2009 Laurent Aimar
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 #ifndef AVCODEC_DXVA2_H
24 #define AVCODEC_DXVA2_H
25 
26 /**
27  * @file
28  * @ingroup lavc_codec_hwaccel_dxva2
29  * Public libavcodec DXVA2 header.
30  */
31 
32 #if !defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0602
33 #undef _WIN32_WINNT
34 #define _WIN32_WINNT 0x0602
35 #endif
36 
37 #include <stdint.h>
38 #include <d3d9.h>
39 #include <dxva2api.h>
40 
41 /**
42  * @defgroup lavc_codec_hwaccel_dxva2 DXVA2
43  * @ingroup lavc_codec_hwaccel
44  *
45  * @{
46  */
47 
48 /**
49  * This structure is used to provides the necessary configurations and data
50  * to the DXVA2 FFmpeg HWAccel implementation.
51  *
52  * The application must make it available as AVCodecContext.hwaccel_context.
53  */
54 struct dxva_context {
55  /**
56  * DXVA2 decoder object
57  */
58  IDirectXVideoDecoder *decoder;
59 
60  /**
61  * DXVA2 configuration used to create the decoder
62  */
63  const DXVA2_ConfigPictureDecode *cfg;
64 
65  /**
66  * The number of surface in the surface array
67  */
68  unsigned surface_count;
69 
70  /**
71  * The array of Direct3D surfaces used to create the decoder
72  */
73  LPDIRECT3DSURFACE9 *surface;
74 
75  /**
76  * A bit field configuring the workarounds needed for using the decoder
77  */
78  uint64_t workaround;
79 
80  /**
81  * Private to the FFmpeg AVHWAccel implementation
82  */
83  unsigned report_id;
84 };
85 
86 /**
87  * @}
88  */
89 
90 #endif /* AVCODEC_DXVA2_H */
dxva_context::report_id
unsigned report_id
Private to the FFmpeg AVHWAccel implementation.
Definition: dxva2.h:83
dxva_context::decoder
IDirectXVideoDecoder * decoder
DXVA2 decoder object.
Definition: dxva2.h:58
dxva_context::surface_count
unsigned surface_count
The number of surface in the surface array.
Definition: dxva2.h:68
dxva_context
This structure is used to provides the necessary configurations and data to the DXVA2 FFmpeg HWAccel ...
Definition: dxva2.h:54
dxva_context::workaround
uint64_t workaround
A bit field configuring the workarounds needed for using the decoder.
Definition: dxva2.h:78
dxva_context::surface
LPDIRECT3DSURFACE9 * surface
The array of Direct3D surfaces used to create the decoder.
Definition: dxva2.h:73
dxva_context::cfg
const DXVA2_ConfigPictureDecode * cfg
DXVA2 configuration used to create the decoder.
Definition: dxva2.h:63