yading@10: /*
yading@10:  * DXVA2 HW acceleration
yading@10:  *
yading@10:  * copyright (c) 2009 Laurent Aimar
yading@10:  *
yading@10:  * This file is part of FFmpeg.
yading@10:  *
yading@10:  * FFmpeg is free software; you can redistribute it and/or
yading@10:  * modify it under the terms of the GNU Lesser General Public
yading@10:  * License as published by the Free Software Foundation; either
yading@10:  * version 2.1 of the License, or (at your option) any later version.
yading@10:  *
yading@10:  * FFmpeg is distributed in the hope that it will be useful,
yading@10:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@10:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@10:  * Lesser General Public License for more details.
yading@10:  *
yading@10:  * You should have received a copy of the GNU Lesser General Public
yading@10:  * License along with FFmpeg; if not, write to the Free Software
yading@10:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@10:  */
yading@10: 
yading@10: #ifndef AVCODEC_DXVA_H
yading@10: #define AVCODEC_DXVA_H
yading@10: 
yading@10: /**
yading@10:  * @file
yading@10:  * @ingroup lavc_codec_hwaccel_dxva2
yading@10:  * Public libavcodec DXVA2 header.
yading@10:  */
yading@10: 
yading@10: #if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0600
yading@10: #undef _WIN32_WINNT
yading@10: #endif
yading@10: 
yading@10: #if !defined(_WIN32_WINNT)
yading@10: #define _WIN32_WINNT 0x0600
yading@10: #endif
yading@10: 
yading@10: #include <stdint.h>
yading@10: #include <d3d9.h>
yading@10: #include <dxva2api.h>
yading@10: 
yading@10: /**
yading@10:  * @defgroup lavc_codec_hwaccel_dxva2 DXVA2
yading@10:  * @ingroup lavc_codec_hwaccel
yading@10:  *
yading@10:  * @{
yading@10:  */
yading@10: 
yading@10: #define FF_DXVA2_WORKAROUND_SCALING_LIST_ZIGZAG 1 ///< Work around for DXVA2 and old UVD/UVD+ ATI video cards
yading@10: 
yading@10: /**
yading@10:  * This structure is used to provides the necessary configurations and data
yading@10:  * to the DXVA2 FFmpeg HWAccel implementation.
yading@10:  *
yading@10:  * The application must make it available as AVCodecContext.hwaccel_context.
yading@10:  */
yading@10: struct dxva_context {
yading@10:     /**
yading@10:      * DXVA2 decoder object
yading@10:      */
yading@10:     IDirectXVideoDecoder *decoder;
yading@10: 
yading@10:     /**
yading@10:      * DXVA2 configuration used to create the decoder
yading@10:      */
yading@10:     const DXVA2_ConfigPictureDecode *cfg;
yading@10: 
yading@10:     /**
yading@10:      * The number of surface in the surface array
yading@10:      */
yading@10:     unsigned surface_count;
yading@10: 
yading@10:     /**
yading@10:      * The array of Direct3D surfaces used to create the decoder
yading@10:      */
yading@10:     LPDIRECT3DSURFACE9 *surface;
yading@10: 
yading@10:     /**
yading@10:      * A bit field configuring the workarounds needed for using the decoder
yading@10:      */
yading@10:     uint64_t workaround;
yading@10: 
yading@10:     /**
yading@10:      * Private to the FFmpeg AVHWAccel implementation
yading@10:      */
yading@10:     unsigned report_id;
yading@10: };
yading@10: 
yading@10: /**
yading@10:  * @}
yading@10:  */
yading@10: 
yading@10: #endif /* AVCODEC_DXVA_H */