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dxva2.h (2128B)

      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 /**
     49 * This structure is used to provides the necessary configurations and data
     50 * to the DXVA2 FFmpeg HWAccel implementation.
     51 *
     52 * The application must make it available as AVCodecContext.hwaccel_context.
     53 */
     54 struct dxva_context {
     55    /**
     56     * DXVA2 decoder object
     57     */
     58    IDirectXVideoDecoder *decoder;
     59 
     60    /**
     61     * DXVA2 configuration used to create the decoder
     62     */
     63    const DXVA2_ConfigPictureDecode *cfg;
     64 
     65    /**
     66     * The number of surface in the surface array
     67     */
     68    unsigned surface_count;
     69 
     70    /**
     71     * The array of Direct3D surfaces used to create the decoder
     72     */
     73    LPDIRECT3DSURFACE9 *surface;
     74 
     75    /**
     76     * A bit field configuring the workarounds needed for using the decoder
     77     */
     78    uint64_t workaround;
     79 
     80    /**
     81     * Private to the FFmpeg AVHWAccel implementation
     82     */
     83    unsigned report_id;
     84 };
     85 
     86 /**
     87 * @}
     88 */
     89 
     90 #endif /* AVCODEC_DXVA2_H */