2 * DXVA2 HW acceleration
4 * copyright (c) 2009 Laurent Aimar
6 * This file is part of FFmpeg.
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.
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.
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
23 #ifndef AVCODEC_DXVA_H
24 #define AVCODEC_DXVA_H
28 * @ingroup lavc_codec_hwaccel_dxva2
29 * Public libavcodec DXVA2 header.
32 #if !defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0602
34 #define _WIN32_WINNT 0x0602
42 * @defgroup lavc_codec_hwaccel_dxva2 DXVA2
43 * @ingroup lavc_codec_hwaccel
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
52 * This structure is used to provides the necessary configurations and data
53 * to the DXVA2 FFmpeg HWAccel implementation.
55 * The application must make it available as AVCodecContext.hwaccel_context.
59 * DXVA2 decoder object
61 IDirectXVideoDecoder *decoder;
64 * DXVA2 configuration used to create the decoder
66 const DXVA2_ConfigPictureDecode *cfg;
69 * The number of surface in the surface array
71 unsigned surface_count;
74 * The array of Direct3D surfaces used to create the decoder
76 LPDIRECT3DSURFACE9 *surface;
79 * A bit field configuring the workarounds needed for using the decoder
84 * Private to the FFmpeg AVHWAccel implementation
93 #endif /* AVCODEC_DXVA_H */