vaapi.h

Go to the documentation of this file.

/*
 * Video Acceleration API (shared data between FFmpeg and the video player)
 * HW decode acceleration for MPEG-2, MPEG-4, H.264 and VC-1
 *
 * Copyright (C) 2008-2009 Splitted-Desktop Systems
 *
 * 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_VAAPI_H
#define AVCODEC_VAAPI_H

/**
 * @file
 * @ingroup lavc_codec_hwaccel_vaapi
 * Public libavcodec VA API header.
 */

#include <stdint.h>
#include "libavutil/attributes.h"
#include "version.h"

#if FF_API_STRUCT_VAAPI_CONTEXT

/**
 * @defgroup lavc_codec_hwaccel_vaapi VA API Decoding
 * @ingroup lavc_codec_hwaccel
 * @{
 */

/**
 * This structure is used to share data between the FFmpeg library and
 * the client video application.
 * This shall be zero-allocated and available as
 * AVCodecContext.hwaccel_context. All user members can be set once
 * during initialization or through each AVCodecContext.get_buffer()
 * function call. In any case, they must be valid prior to calling
 * decoding functions.
 *
 * Deprecated: use AVCodecContext.hw_frames_ctx instead.
 */
struct attribute_deprecated vaapi_context {
    /**
     * Window system dependent data
     *
     * - encoding: unused
     * - decoding: Set by user
     */
    void *display;

    /**
     * Configuration ID
     *
     * - encoding: unused
     * - decoding: Set by user
     */
    uint32_t config_id;

    /**
     * Context ID (video decode pipeline)
     *
     * - encoding: unused
     * - decoding: Set by user
     */
    uint32_t context_id;
};

/* @} */

#endif /* FF_API_STRUCT_VAAPI_CONTEXT */

#endif /* AVCODEC_VAAPI_H */