/*
  * 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"

 
 /**

  * @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.
  */
 struct 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;
 

 #if FF_API_VAAPI_CONTEXT

     /**
      * VAPictureParameterBuffer ID
      *
      * - encoding: unused
      * - decoding: Set by libavcodec
      */

     attribute_deprecated

     uint32_t pic_param_buf_id;

 
     /**
      * VAIQMatrixBuffer ID
      *
      * - encoding: unused
      * - decoding: Set by libavcodec
      */

     attribute_deprecated

     uint32_t iq_matrix_buf_id;

 
     /**
      * VABitPlaneBuffer ID (for VC-1 decoding)
      *
      * - encoding: unused
      * - decoding: Set by libavcodec
      */

     attribute_deprecated

     uint32_t bitplane_buf_id;

 
     /**
      * Slice parameter/data buffer IDs
      *
      * - encoding: unused
      * - decoding: Set by libavcodec
      */

     attribute_deprecated

     uint32_t *slice_buf_ids;

 
     /**
      * Number of effective slice buffer IDs to send to the HW
      *
      * - encoding: unused
      * - decoding: Set by libavcodec
      */

     attribute_deprecated

     unsigned int n_slice_buf_ids;
 
     /**
      * Size of pre-allocated slice_buf_ids
      *
      * - encoding: unused
      * - decoding: Set by libavcodec
      */

     attribute_deprecated

     unsigned int slice_buf_ids_alloc;
 
     /**
      * Pointer to VASliceParameterBuffers
      *
      * - encoding: unused
      * - decoding: Set by libavcodec
      */

     attribute_deprecated

     void *slice_params;
 
     /**
      * Size of a VASliceParameterBuffer element
      *
      * - encoding: unused
      * - decoding: Set by libavcodec
      */

     attribute_deprecated

     unsigned int slice_param_size;
 
     /**
      * Size of pre-allocated slice_params
      *
      * - encoding: unused
      * - decoding: Set by libavcodec
      */

     attribute_deprecated

     unsigned int slice_params_alloc;
 
     /**
      * Number of slices currently filled in
      *
      * - encoding: unused
      * - decoding: Set by libavcodec
      */

     attribute_deprecated

     unsigned int slice_count;
 
     /**
      * Pointer to slice data buffer base
      * - encoding: unused
      * - decoding: Set by libavcodec
      */

     attribute_deprecated

     const uint8_t *slice_data;
 
     /**
      * Current size of slice data
      *
      * - encoding: unused
      * - decoding: Set by libavcodec
      */

     attribute_deprecated

     uint32_t slice_data_size;

 #endif

 };
 
 /* @} */
 
 #endif /* AVCODEC_VAAPI_H */