blob: bb284553293625db11f73b0d0a06848813c22451
| 1 | /* |
| 2 | * Video Acceleration API (shared data between FFmpeg 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 FFmpeg. |
| 8 | * |
| 9 | * FFmpeg 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 | * FFmpeg 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 FFmpeg; 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 | #include "libavutil/attributes.h" |
| 35 | #include "version.h" |
| 36 | |
| 37 | #if FF_API_STRUCT_VAAPI_CONTEXT |
| 38 | |
| 39 | /** |
| 40 | * @defgroup lavc_codec_hwaccel_vaapi VA API Decoding |
| 41 | * @ingroup lavc_codec_hwaccel |
| 42 | * @{ |
| 43 | */ |
| 44 | |
| 45 | /** |
| 46 | * This structure is used to share data between the FFmpeg library and |
| 47 | * the client video application. |
| 48 | * This shall be zero-allocated and available as |
| 49 | * AVCodecContext.hwaccel_context. All user members can be set once |
| 50 | * during initialization or through each AVCodecContext.get_buffer() |
| 51 | * function call. In any case, they must be valid prior to calling |
| 52 | * decoding functions. |
| 53 | * |
| 54 | * Deprecated: use AVCodecContext.hw_frames_ctx instead. |
| 55 | */ |
| 56 | struct attribute_deprecated vaapi_context { |
| 57 | /** |
| 58 | * Window system dependent data |
| 59 | * |
| 60 | * - encoding: unused |
| 61 | * - decoding: Set by user |
| 62 | */ |
| 63 | void *display; |
| 64 | |
| 65 | /** |
| 66 | * Configuration ID |
| 67 | * |
| 68 | * - encoding: unused |
| 69 | * - decoding: Set by user |
| 70 | */ |
| 71 | uint32_t config_id; |
| 72 | |
| 73 | /** |
| 74 | * Context ID (video decode pipeline) |
| 75 | * |
| 76 | * - encoding: unused |
| 77 | * - decoding: Set by user |
| 78 | */ |
| 79 | uint32_t context_id; |
| 80 | |
| 81 | #if FF_API_VAAPI_CONTEXT |
| 82 | /** |
| 83 | * VAPictureParameterBuffer ID |
| 84 | * |
| 85 | * - encoding: unused |
| 86 | * - decoding: Set by libavcodec |
| 87 | */ |
| 88 | attribute_deprecated |
| 89 | uint32_t pic_param_buf_id; |
| 90 | |
| 91 | /** |
| 92 | * VAIQMatrixBuffer ID |
| 93 | * |
| 94 | * - encoding: unused |
| 95 | * - decoding: Set by libavcodec |
| 96 | */ |
| 97 | attribute_deprecated |
| 98 | uint32_t iq_matrix_buf_id; |
| 99 | |
| 100 | /** |
| 101 | * VABitPlaneBuffer ID (for VC-1 decoding) |
| 102 | * |
| 103 | * - encoding: unused |
| 104 | * - decoding: Set by libavcodec |
| 105 | */ |
| 106 | attribute_deprecated |
| 107 | uint32_t bitplane_buf_id; |
| 108 | |
| 109 | /** |
| 110 | * Slice parameter/data buffer IDs |
| 111 | * |
| 112 | * - encoding: unused |
| 113 | * - decoding: Set by libavcodec |
| 114 | */ |
| 115 | attribute_deprecated |
| 116 | uint32_t *slice_buf_ids; |
| 117 | |
| 118 | /** |
| 119 | * Number of effective slice buffer IDs to send to the HW |
| 120 | * |
| 121 | * - encoding: unused |
| 122 | * - decoding: Set by libavcodec |
| 123 | */ |
| 124 | attribute_deprecated |
| 125 | unsigned int n_slice_buf_ids; |
| 126 | |
| 127 | /** |
| 128 | * Size of pre-allocated slice_buf_ids |
| 129 | * |
| 130 | * - encoding: unused |
| 131 | * - decoding: Set by libavcodec |
| 132 | */ |
| 133 | attribute_deprecated |
| 134 | unsigned int slice_buf_ids_alloc; |
| 135 | |
| 136 | /** |
| 137 | * Pointer to VASliceParameterBuffers |
| 138 | * |
| 139 | * - encoding: unused |
| 140 | * - decoding: Set by libavcodec |
| 141 | */ |
| 142 | attribute_deprecated |
| 143 | void *slice_params; |
| 144 | |
| 145 | /** |
| 146 | * Size of a VASliceParameterBuffer element |
| 147 | * |
| 148 | * - encoding: unused |
| 149 | * - decoding: Set by libavcodec |
| 150 | */ |
| 151 | attribute_deprecated |
| 152 | unsigned int slice_param_size; |
| 153 | |
| 154 | /** |
| 155 | * Size of pre-allocated slice_params |
| 156 | * |
| 157 | * - encoding: unused |
| 158 | * - decoding: Set by libavcodec |
| 159 | */ |
| 160 | attribute_deprecated |
| 161 | unsigned int slice_params_alloc; |
| 162 | |
| 163 | /** |
| 164 | * Number of slices currently filled in |
| 165 | * |
| 166 | * - encoding: unused |
| 167 | * - decoding: Set by libavcodec |
| 168 | */ |
| 169 | attribute_deprecated |
| 170 | unsigned int slice_count; |
| 171 | |
| 172 | /** |
| 173 | * Pointer to slice data buffer base |
| 174 | * - encoding: unused |
| 175 | * - decoding: Set by libavcodec |
| 176 | */ |
| 177 | attribute_deprecated |
| 178 | const uint8_t *slice_data; |
| 179 | |
| 180 | /** |
| 181 | * Current size of slice data |
| 182 | * |
| 183 | * - encoding: unused |
| 184 | * - decoding: Set by libavcodec |
| 185 | */ |
| 186 | attribute_deprecated |
| 187 | uint32_t slice_data_size; |
| 188 | #endif |
| 189 | }; |
| 190 | |
| 191 | /* @} */ |
| 192 | |
| 193 | #endif /* FF_API_STRUCT_VAAPI_CONTEXT */ |
| 194 | |
| 195 | #endif /* AVCODEC_VAAPI_H */ |
| 196 |