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2ba45a60 DM |
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_DXVA_H | |
24 | #define AVCODEC_DXVA_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 < 0x0600 | |
33 | #undef _WIN32_WINNT | |
34 | #define _WIN32_WINNT 0x0600 | |
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_DXVA_H */ |