blob: 22c93992f22284c7e2ac92c5bf23faa3df6e6272
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 */ |
94 |