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 #define FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG 1 ///< Work around for DXVA2 and old UVD/UVD+ ATI video cards
49 #define FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO 2 ///< Work around for DXVA2 and old Intel GPUs with ClearVideo interface
50 
51 /**
52  * This structure is used to provides the necessary configurations and data
53  * to the DXVA2 FFmpeg HWAccel implementation.
54  *
55  * The application must make it available as AVCodecContext.hwaccel_context.
56  */
57 struct dxva_context {
58  /**
59  * DXVA2 decoder object
60  */
61  IDirectXVideoDecoder *decoder;
62 
63  /**
64  * DXVA2 configuration used to create the decoder
65  */
66  const DXVA2_ConfigPictureDecode *cfg;
67 
68  /**
69  * The number of surface in the surface array
70  */
71  unsigned surface_count;
72 
73  /**
74  * The array of Direct3D surfaces used to create the decoder
75  */
76  LPDIRECT3DSURFACE9 *surface;
77 
78  /**
79  * A bit field configuring the workarounds needed for using the decoder
80  */
81  uint64_t workaround;
82 
83  /**
84  * Private to the FFmpeg AVHWAccel implementation
85  */
86  unsigned report_id;
87 };
88 
89 /**
90  * @}
91  */
92 
93 #endif /* AVCODEC_DXVA2_H */
LPDIRECT3DSURFACE9 * surface
The array of Direct3D surfaces used to create the decoder.
Definition: dxva2.h:76
const DXVA2_ConfigPictureDecode * cfg
DXVA2 configuration used to create the decoder.
Definition: dxva2.h:66
unsigned surface_count
The number of surface in the surface array.
Definition: dxva2.h:71
uint64_t workaround
A bit field configuring the workarounds needed for using the decoder.
Definition: dxva2.h:81
unsigned report_id
Private to the FFmpeg AVHWAccel implementation.
Definition: dxva2.h:86
IDirectXVideoDecoder * decoder
DXVA2 decoder object.
Definition: dxva2.h:61
This structure is used to provides the necessary configurations and data to the DXVA2 FFmpeg HWAccel ...
Definition: dxva2.h:57