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comparison lib/libavcodec/dxva2.h @ 2134:992d2e6f907d

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preparation for libavcodec
author zipi
date Tue, 31 Dec 2013 14:52:14 +0000
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2133:e378232bfd36 2134:992d2e6f907d
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 #endif
35
36 #if !defined(_WIN32_WINNT)
37 #define _WIN32_WINNT 0x0600
38 #endif
39
40 #include <stdint.h>
41 #include <d3d9.h>
42 #include <dxva2api.h>
43
44 /**
45 * @defgroup lavc_codec_hwaccel_dxva2 DXVA2
46 * @ingroup lavc_codec_hwaccel
47 *
48 * @{
49 */
50
51 #define FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG 1 ///< Work around for DXVA2 and old UVD/UVD+ ATI video cards
52
53 /**
54 * This structure is used to provides the necessary configurations and data
55 * to the DXVA2 FFmpeg HWAccel implementation.
56 *
57 * The application must make it available as AVCodecContext.hwaccel_context.
58 */
59 struct dxva_context {
60 /**
61 * DXVA2 decoder object
62 */
63 IDirectXVideoDecoder *decoder;
64
65 /**
66 * DXVA2 configuration used to create the decoder
67 */
68 const DXVA2_ConfigPictureDecode *cfg;
69
70 /**
71 * The number of surface in the surface array
72 */
73 unsigned surface_count;
74
75 /**
76 * The array of Direct3D surfaces used to create the decoder
77 */
78 LPDIRECT3DSURFACE9 *surface;
79
80 /**
81 * A bit field configuring the workarounds needed for using the decoder
82 */
83 uint64_t workaround;
84
85 /**
86 * Private to the FFmpeg AVHWAccel implementation
87 */
88 unsigned report_id;
89 };
90
91 /**
92 * @}
93 */
94
95 #endif /* AVCODEC_DXVA_H */