| 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 */ |