misc/winutils/include/libavcodec/vaapi.h
branchui-scaling
changeset 15663 d92eeb468dad
parent 15283 c4fd2813b127
parent 15471 9a76589e294e
child 15664 0b99e220568a
equal deleted inserted replaced
15283:c4fd2813b127 15663:d92eeb468dad
     1 /*
       
     2  * Video Acceleration API (shared data between Libav and the video player)
       
     3  * HW decode acceleration for MPEG-2, MPEG-4, H.264 and VC-1
       
     4  *
       
     5  * Copyright (C) 2008-2009 Splitted-Desktop Systems
       
     6  *
       
     7  * This file is part of Libav.
       
     8  *
       
     9  * Libav is free software; you can redistribute it and/or
       
    10  * modify it under the terms of the GNU Lesser General Public
       
    11  * License as published by the Free Software Foundation; either
       
    12  * version 2.1 of the License, or (at your option) any later version.
       
    13  *
       
    14  * Libav is distributed in the hope that it will be useful,
       
    15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
       
    16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
       
    17  * Lesser General Public License for more details.
       
    18  *
       
    19  * You should have received a copy of the GNU Lesser General Public
       
    20  * License along with Libav; if not, write to the Free Software
       
    21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
       
    22  */
       
    23 
       
    24 #ifndef AVCODEC_VAAPI_H
       
    25 #define AVCODEC_VAAPI_H
       
    26 
       
    27 /**
       
    28  * @file
       
    29  * @ingroup lavc_codec_hwaccel_vaapi
       
    30  * Public libavcodec VA API header.
       
    31  */
       
    32 
       
    33 #include <stdint.h>
       
    34 
       
    35 /**
       
    36  * @defgroup lavc_codec_hwaccel_vaapi VA API Decoding
       
    37  * @ingroup lavc_codec_hwaccel
       
    38  * @{
       
    39  */
       
    40 
       
    41 /**
       
    42  * This structure is used to share data between the Libav library and
       
    43  * the client video application.
       
    44  * This shall be zero-allocated and available as
       
    45  * AVCodecContext.hwaccel_context. All user members can be set once
       
    46  * during initialization or through each AVCodecContext.get_buffer()
       
    47  * function call. In any case, they must be valid prior to calling
       
    48  * decoding functions.
       
    49  */
       
    50 struct vaapi_context {
       
    51     /**
       
    52      * Window system dependent data
       
    53      *
       
    54      * - encoding: unused
       
    55      * - decoding: Set by user
       
    56      */
       
    57     void *display;
       
    58 
       
    59     /**
       
    60      * Configuration ID
       
    61      *
       
    62      * - encoding: unused
       
    63      * - decoding: Set by user
       
    64      */
       
    65     uint32_t config_id;
       
    66 
       
    67     /**
       
    68      * Context ID (video decode pipeline)
       
    69      *
       
    70      * - encoding: unused
       
    71      * - decoding: Set by user
       
    72      */
       
    73     uint32_t context_id;
       
    74 
       
    75     /**
       
    76      * VAPictureParameterBuffer ID
       
    77      *
       
    78      * - encoding: unused
       
    79      * - decoding: Set by libavcodec
       
    80      */
       
    81     uint32_t pic_param_buf_id;
       
    82 
       
    83     /**
       
    84      * VAIQMatrixBuffer ID
       
    85      *
       
    86      * - encoding: unused
       
    87      * - decoding: Set by libavcodec
       
    88      */
       
    89     uint32_t iq_matrix_buf_id;
       
    90 
       
    91     /**
       
    92      * VABitPlaneBuffer ID (for VC-1 decoding)
       
    93      *
       
    94      * - encoding: unused
       
    95      * - decoding: Set by libavcodec
       
    96      */
       
    97     uint32_t bitplane_buf_id;
       
    98 
       
    99     /**
       
   100      * Slice parameter/data buffer IDs
       
   101      *
       
   102      * - encoding: unused
       
   103      * - decoding: Set by libavcodec
       
   104      */
       
   105     uint32_t *slice_buf_ids;
       
   106 
       
   107     /**
       
   108      * Number of effective slice buffer IDs to send to the HW
       
   109      *
       
   110      * - encoding: unused
       
   111      * - decoding: Set by libavcodec
       
   112      */
       
   113     unsigned int n_slice_buf_ids;
       
   114 
       
   115     /**
       
   116      * Size of pre-allocated slice_buf_ids
       
   117      *
       
   118      * - encoding: unused
       
   119      * - decoding: Set by libavcodec
       
   120      */
       
   121     unsigned int slice_buf_ids_alloc;
       
   122 
       
   123     /**
       
   124      * Pointer to VASliceParameterBuffers
       
   125      *
       
   126      * - encoding: unused
       
   127      * - decoding: Set by libavcodec
       
   128      */
       
   129     void *slice_params;
       
   130 
       
   131     /**
       
   132      * Size of a VASliceParameterBuffer element
       
   133      *
       
   134      * - encoding: unused
       
   135      * - decoding: Set by libavcodec
       
   136      */
       
   137     unsigned int slice_param_size;
       
   138 
       
   139     /**
       
   140      * Size of pre-allocated slice_params
       
   141      *
       
   142      * - encoding: unused
       
   143      * - decoding: Set by libavcodec
       
   144      */
       
   145     unsigned int slice_params_alloc;
       
   146 
       
   147     /**
       
   148      * Number of slices currently filled in
       
   149      *
       
   150      * - encoding: unused
       
   151      * - decoding: Set by libavcodec
       
   152      */
       
   153     unsigned int slice_count;
       
   154 
       
   155     /**
       
   156      * Pointer to slice data buffer base
       
   157      * - encoding: unused
       
   158      * - decoding: Set by libavcodec
       
   159      */
       
   160     const uint8_t *slice_data;
       
   161 
       
   162     /**
       
   163      * Current size of slice data
       
   164      *
       
   165      * - encoding: unused
       
   166      * - decoding: Set by libavcodec
       
   167      */
       
   168     uint32_t slice_data_size;
       
   169 };
       
   170 
       
   171 /* @} */
       
   172 
       
   173 #endif /* AVCODEC_VAAPI_H */