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/*

 * DXVA2 HW acceleration

 *

 * copyright (c) 2009 Laurent Aimar

 *

 * This file is part of FFmpeg.

 *

 * FFmpeg 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.

 *

 * FFmpeg 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 FFmpeg; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

 */

#ifndef AVCODEC_DXVA2_H
#define AVCODEC_DXVA2_H

/**

 * @file

 * @ingroup lavc_codec_hwaccel_dxva2

 * Public libavcodec DXVA2 header.

 */

#if !defined(_WIN32_WINNT) || _WIN32_WINNT < 0x0602
#undef _WIN32_WINNT
#define _WIN32_WINNT 0x0602
#endif

#include <stdint.h>
#include <d3d9.h>
#include <dxva2api.h>

/**

 * @defgroup lavc_codec_hwaccel_dxva2 DXVA2

 * @ingroup lavc_codec_hwaccel

 *

 * @{

 */

/**

 * This structure is used to provides the necessary configurations and data

 * to the DXVA2 FFmpeg 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 FFmpeg AVHWAccel implementation

     */
    unsigned report_id;
};

/**

 * @}

 */

#endif /* AVCODEC_DXVA2_H */