/* * DXVA2 HW acceleration * * copyright (c) 2009 Laurent Aimar * * This file is part of Libav. * * Libav is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * Libav is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with Libav; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #ifndef AVCODEC_DXVA_H #define AVCODEC_DXVA_H /** * @file * @ingroup lavc_codec_hwaccel_dxva2 * Public libavcodec DXVA2 header. */ #if !defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0600 #undef _WIN32_WINNT #define _WIN32_WINNT 0x0600 #endif #include <stdint.h> #include <d3d9.h> #include <dxva2api.h> /** * @defgroup lavc_codec_hwaccel_dxva2 DXVA2 * @ingroup lavc_codec_hwaccel * * @{ */ #define FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG 1 ///< Work around for DXVA2 and old UVD/UVD+ ATI video cards #define FF_DXVA2_WORKAROUND_INTEL_CLEARVIDEO 2 ///< Work around for DXVA2 and old Intel GPUs with ClearVideo interface /** * This structure is used to provides the necessary configurations and data * to the DXVA2 Libav HWAccel implementation. * * The application must make it available as AVCodecContext.hwaccel_context. */ struct dxva_context { /** * DXVA2 decoder object */ IDirectXVideoDecoder *decoder; /** * DXVA2 configuration used to create the decoder */ const DXVA2_ConfigPictureDecode *cfg; /** * The number of surface in the surface array */ unsigned surface_count; /** * The array of Direct3D surfaces used to create the decoder */ LPDIRECT3DSURFACE9 *surface; /** * A bit field configuring the workarounds needed for using the decoder */ uint64_t workaround; /** * Private to the Libav AVHWAccel implementation */ unsigned report_id; }; /** * @} */ #endif /* AVCODEC_DXVA_H */