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/libavcodec/dxva2.h

http://github.com/FFmpeg/FFmpeg
C Header | 93 lines | 20 code | 14 blank | 59 comment | 1 complexity | d7280923134fc8cd834738c42576cf37 MD5 | raw file
 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 */
57struct 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 */