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 */ 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_DXVA2_H */ 94