misc/winutils/include/libavcodec/dxva2.h
author Wuzzy <Wuzzy2@mail.ru>
Thu, 25 Apr 2019 23:01:05 +0200
changeset 14844 e239378a9400
parent 7813 7ac83d79b897
permissions -rw-r--r--
Prevent entering “/”, “\” and “:” in team and scheme names. The name of teams and schems is saved in the file name itself, so these characters would cause trouble as they are used in path names in Linux and Windows.

/*
 * 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.
 */

#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

/**
 * 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 */