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#include <stdint.h>
27
28#include <dxva2api.h>
29
30/**
31 * This structure is used to provides the necessary configurations and data
32 * to the DXVA2 FFmpeg HWAccel implementation.
33 *
34 * The application must make it available as AVCodecContext.hwaccel_context.
35 */
36struct dxva_context {
37    /**
38     * DXVA2 decoder object
39     */
40    IDirectXVideoDecoder *decoder;
41
42    /**
43     * DXVA2 configuration used to create the decoder
44     */
45    const DXVA2_ConfigPictureDecode *cfg;
46
47    /**
48     * The number of surface in the surface array
49     */
50    unsigned surface_count;
51
52    /**
53     * The array of Direct3D surfaces used to create the decoder
54     */
55    LPDIRECT3DSURFACE9 *surface;
56
57    /**
58     * A bit field configuring the workarounds needed for using the decoder
59     */
60    uint64_t workaround;
61
62    /**
63     * Private to the FFmpeg AVHWAccel implementation
64     */
65    unsigned report_id;
66};
67
68#endif /* AVCODEC_DXVA_H */
69