1 /* 2 * Copyright (c) 2016, Alliance for Open Media. All rights reserved 3 * 4 * This source code is subject to the terms of the BSD 2 Clause License and 5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License 6 * was not distributed with this source code in the LICENSE file, you can 7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open 8 * Media Patent License 1.0 was not distributed with this source code in the 9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent. 10 */ 11 12 /*!\defgroup aom_decoder AOMedia AOM/AV1 Decoder 13 * \ingroup aom 14 * 15 * @{ 16 */ 17 /*!\file 18 * \brief Provides definitions for using AOM or AV1 within the aom Decoder 19 * interface. 20 */ 21 #ifndef AOM_AOM_AOMDX_H_ 22 #define AOM_AOM_AOMDX_H_ 23 24 #ifdef __cplusplus 25 extern "C" { 26 #endif 27 28 /* Include controls common to both the encoder and decoder */ 29 #include "aom/aom.h" 30 31 /*!\name Algorithm interface for AV1 32 * 33 * This interface provides the capability to decode AV1 streams. 34 * @{ 35 */ 36 37 /*!\brief A single instance of the AV1 decoder. 38 *\deprecated This access mechanism is provided for backwards compatibility; 39 * prefer aom_codec_av1_dx(). 40 */ 41 extern aom_codec_iface_t aom_codec_av1_dx_algo; 42 /*!\brief The interface to the AV1 decoder. 43 */ 44 extern aom_codec_iface_t *aom_codec_av1_dx(void); 45 46 /*!@} - end algorithm interface member group */ 47 48 /** Data structure that stores bit accounting for debug 49 */ 50 typedef struct Accounting Accounting; 51 52 #ifndef AOM_INSPECTION_H_ 53 /** Callback that inspects decoder frame data. 54 */ 55 typedef void (*aom_inspect_cb)(void *decoder, void *ctx); 56 57 #endif 58 59 /*!\brief Structure to hold inspection callback and context. 60 * 61 * Defines a structure to hold the inspection callback function and calling 62 * context. 63 */ 64 typedef struct aom_inspect_init { 65 /*! Inspection callback. */ 66 aom_inspect_cb inspect_cb; 67 68 /*! Inspection context. */ 69 void *inspect_ctx; 70 } aom_inspect_init; 71 72 /*!\brief Structure to collect a buffer index when inspecting. 73 * 74 * Defines a structure to hold the buffer and return an index 75 * when calling decode from inspect. This enables us to decode 76 * non showable sub frames. 77 */ 78 typedef struct { 79 /*! Pointer for new position in compressed buffer after decoding 1 OBU. */ 80 const unsigned char *buf; 81 /*! Index into reference buffer array to see result of decoding 1 OBU. */ 82 int idx; 83 /*! Is a show existing frame. */ 84 int show_existing; 85 } Av1DecodeReturn; 86 87 /*!\brief Structure to hold a tile's start address and size in the bitstream. 88 * 89 * Defines a structure to hold a tile's start address and size in the bitstream. 90 */ 91 typedef struct aom_tile_data { 92 /*! Tile data size. */ 93 size_t coded_tile_data_size; 94 /*! Tile's start address. */ 95 const void *coded_tile_data; 96 /*! Extra size information. */ 97 size_t extra_size; 98 } aom_tile_data; 99 100 /*!\brief Max number of tile columns 101 * 102 * This is the limit of number of tile columns allowed within a frame. 103 * 104 * Currently same as "MAX_TILE_COLS" in AV1, the maximum that AV1 supports. 105 * 106 */ 107 #define AOM_MAX_TILE_COLS 64 108 /*!\brief Max number of tile rows 109 * 110 * This is the limit of number of tile rows allowed within a frame. 111 * 112 * Currently same as "MAX_TILE_ROWS" in AV1, the maximum that AV1 supports. 113 * 114 */ 115 #define AOM_MAX_TILE_ROWS 64 116 117 /*!\brief Structure to hold information about tiles in a frame. 118 * 119 * Defines a structure to hold a frame's tile information, namely 120 * number of tile columns, number of tile_rows, and the width and 121 * height of each tile. 122 */ 123 typedef struct aom_tile_info { 124 /*! Indicates the number of tile columns. */ 125 int tile_columns; 126 /*! Indicates the number of tile rows. */ 127 int tile_rows; 128 /*! Indicates the tile widths in units of SB. */ 129 int tile_widths[AOM_MAX_TILE_COLS]; 130 /*! Indicates the tile heights in units of SB. */ 131 int tile_heights[AOM_MAX_TILE_ROWS]; 132 /*! Indicates the number of tile groups present in a frame. */ 133 int num_tile_groups; 134 } aom_tile_info; 135 136 /*!\brief Structure to hold information about still image coding. 137 * 138 * Defines a structure to hold a information regarding still picture 139 * and its header type. 140 */ 141 typedef struct aom_still_picture_info { 142 /*! Video is a single frame still picture */ 143 int is_still_picture; 144 /*! Use full header for still picture */ 145 int is_reduced_still_picture_hdr; 146 } aom_still_picture_info; 147 148 /*!\brief Structure to hold information about S_FRAME. 149 * 150 * Defines a structure to hold a information regarding S_FRAME 151 * and its position. 152 */ 153 typedef struct aom_s_frame_info { 154 /*! Indicates if current frame is S_FRAME */ 155 int is_s_frame; 156 /*! Indicates if current S_FRAME is present at ALTREF frame*/ 157 int is_s_frame_at_altref; 158 } aom_s_frame_info; 159 160 /*!\brief Structure to hold information about screen content tools. 161 * 162 * Defines a structure to hold information about screen content 163 * tools, namely: allow_screen_content_tools, allow_intrabc, and 164 * force_integer_mv. 165 */ 166 typedef struct aom_screen_content_tools_info { 167 /*! Are screen content tools allowed */ 168 int allow_screen_content_tools; 169 /*! Is intrabc allowed */ 170 int allow_intrabc; 171 /*! Is integer mv forced */ 172 int force_integer_mv; 173 } aom_screen_content_tools_info; 174 175 /*!\brief Structure to hold the external reference frame pointer. 176 * 177 * Define a structure to hold the external reference frame pointer. 178 */ 179 typedef struct av1_ext_ref_frame { 180 /*! Start pointer of external references. */ 181 aom_image_t *img; 182 /*! Number of available external references. */ 183 int num; 184 } av1_ext_ref_frame_t; 185 186 /*!\enum aom_dec_control_id 187 * \brief AOM decoder control functions 188 * 189 * This set of macros define the control functions available for the AOM 190 * decoder interface. 191 * The range for decoder control ID is >= 256. 192 * 193 * \sa #aom_codec_control(aom_codec_ctx_t *ctx, int ctrl_id, ...) 194 */ 195 enum aom_dec_control_id { 196 /*!\brief Codec control function to get info on which reference frames were 197 * updated by the last decode, int* parameter 198 */ 199 AOMD_GET_LAST_REF_UPDATES = AOM_DECODER_CTRL_ID_START, 200 201 /*!\brief Codec control function to check if the indicated frame is 202 corrupted, int* parameter 203 */ 204 AOMD_GET_FRAME_CORRUPTED, 205 206 /*!\brief Codec control function to get info on which reference frames were 207 * used by the last decode, int* parameter 208 */ 209 AOMD_GET_LAST_REF_USED, 210 211 /*!\brief Codec control function to get the dimensions that the current 212 * frame is decoded at, int* parameter 213 * 214 * This may be different to the intended display size for the frame as 215 * specified in the wrapper or frame header (see AV1D_GET_DISPLAY_SIZE). 216 */ 217 AV1D_GET_FRAME_SIZE, 218 219 /*!\brief Codec control function to get the current frame's intended display 220 * dimensions (as specified in the wrapper or frame header), int* parameter 221 * 222 * This may be different to the decoded dimensions of this frame (see 223 * AV1D_GET_FRAME_SIZE). 224 */ 225 AV1D_GET_DISPLAY_SIZE, 226 227 /*!\brief Codec control function to get the bit depth of the stream, 228 * unsigned int* parameter 229 */ 230 AV1D_GET_BIT_DEPTH, 231 232 /*!\brief Codec control function to get the image format of the stream, 233 * aom_img_fmt_t* parameter 234 */ 235 AV1D_GET_IMG_FORMAT, 236 237 /*!\brief Codec control function to get the size of the tile, unsigned int* 238 * parameter 239 */ 240 AV1D_GET_TILE_SIZE, 241 242 /*!\brief Codec control function to get the tile count in a tile list, 243 * unsigned int* parameter 244 */ 245 AV1D_GET_TILE_COUNT, 246 247 /*!\brief Codec control function to set the byte alignment of the planes in 248 * the reference buffers, int parameter 249 * 250 * Valid values are power of 2, from 32 to 1024. A value of 0 sets 251 * legacy alignment. I.e. Y plane is aligned to 32 bytes, U plane directly 252 * follows Y plane, and V plane directly follows U plane. Default value is 0. 253 */ 254 AV1_SET_BYTE_ALIGNMENT, 255 256 /*!\brief Codec control function to invert the decoding order to from right to 257 * left, int parameter 258 * 259 * The function is used in a test to confirm the decoding independence of tile 260 * columns. The function may be used in application where this order 261 * of decoding is desired. int parameter 262 * 263 * TODO(yaowu): Rework the unit test that uses this control, and in a future 264 * release, this test-only control shall be removed. 265 */ 266 AV1_INVERT_TILE_DECODE_ORDER, 267 268 /*!\brief Codec control function to set the skip loop filter flag, int 269 * parameter 270 * 271 * Valid values are integers. The decoder will skip the loop filter 272 * when its value is set to nonzero. If the loop filter is skipped the 273 * decoder may accumulate decode artifacts. The default value is 0. 274 */ 275 AV1_SET_SKIP_LOOP_FILTER, 276 277 /*!\brief Codec control function to retrieve a pointer to the Accounting 278 * struct, takes Accounting** as parameter 279 * 280 * If called before a frame has been decoded, this returns AOM_CODEC_ERROR. 281 * The caller should ensure that AOM_CODEC_OK is returned before attempting 282 * to dereference the Accounting pointer. 283 * 284 * \attention When configured with -DCONFIG_ACCOUNTING=0, the default, this 285 * returns AOM_CODEC_INCAPABLE. 286 */ 287 AV1_GET_ACCOUNTING, 288 289 /*!\brief Codec control function to get last decoded frame quantizer, 290 * int* parameter 291 * 292 * Returned value uses internal quantizer scale defined by the codec. 293 */ 294 AOMD_GET_LAST_QUANTIZER, 295 296 /*!\brief Codec control function to set the range of tile decoding, int 297 * parameter 298 * 299 * A value that is greater and equal to zero indicates only the specific 300 * row/column is decoded. A value that is -1 indicates the whole row/column 301 * is decoded. A special case is both values are -1 that means the whole 302 * frame is decoded. 303 */ 304 AV1_SET_DECODE_TILE_ROW, 305 AV1_SET_DECODE_TILE_COL, 306 307 /*!\brief Codec control function to set the tile coding mode, unsigned int 308 * parameter 309 * 310 * - 0 = tiles are coded in normal tile mode 311 * - 1 = tiles are coded in large-scale tile mode 312 */ 313 AV1_SET_TILE_MODE, 314 315 /*!\brief Codec control function to get the frame header information of an 316 * encoded frame, aom_tile_data* parameter 317 */ 318 AV1D_GET_FRAME_HEADER_INFO, 319 320 /*!\brief Codec control function to get the start address and size of a 321 * tile in the coded bitstream, aom_tile_data* parameter. 322 */ 323 AV1D_GET_TILE_DATA, 324 325 /*!\brief Codec control function to set the external references' pointers in 326 * the decoder, av1_ext_ref_frame_t* parameter. 327 * 328 * This is used while decoding the tile list OBU in large-scale tile coding 329 * mode. 330 */ 331 AV1D_SET_EXT_REF_PTR, 332 333 /*!\brief Codec control function to enable the ext-tile software debug and 334 * testing code in the decoder, unsigned int parameter 335 */ 336 AV1D_EXT_TILE_DEBUG, 337 338 /*!\brief Codec control function to enable the row based multi-threading of 339 * decoding, unsigned int parameter 340 * 341 * - 0 = disabled 342 * - 1 = enabled (default) 343 */ 344 AV1D_SET_ROW_MT, 345 346 /*!\brief Codec control function to indicate whether bitstream is in 347 * Annex-B format, unsigned int parameter 348 */ 349 AV1D_SET_IS_ANNEXB, 350 351 /*!\brief Codec control function to indicate which operating point to use, 352 * int parameter 353 * 354 * A scalable stream may define multiple operating points, each of which 355 * defines a set of temporal and spatial layers to be processed. The 356 * operating point index may take a value between 0 and 357 * operating_points_cnt_minus_1 (which is at most 31). 358 */ 359 AV1D_SET_OPERATING_POINT, 360 361 /*!\brief Codec control function to indicate whether to output one frame per 362 * temporal unit (the default), or one frame per spatial layer, int parameter 363 * 364 * In a scalable stream, each temporal unit corresponds to a single "frame" 365 * of video, and within a temporal unit there may be multiple spatial layers 366 * with different versions of that frame. 367 * For video playback, only the highest-quality version (within the 368 * selected operating point) is needed, but for some use cases it is useful 369 * to have access to multiple versions of a frame when they are available. 370 */ 371 AV1D_SET_OUTPUT_ALL_LAYERS, 372 373 /*!\brief Codec control function to set an aom_inspect_cb callback that is 374 * invoked each time a frame is decoded, aom_inspect_init* parameter 375 * 376 * \attention When configured with -DCONFIG_INSPECTION=0, the default, this 377 * returns AOM_CODEC_INCAPABLE. 378 */ 379 AV1_SET_INSPECTION_CALLBACK, 380 381 /*!\brief Codec control function to set the skip film grain flag, int 382 * parameter 383 * 384 * Valid values are integers. The decoder will skip the film grain when its 385 * value is set to nonzero. The default value is 0. 386 */ 387 AV1D_SET_SKIP_FILM_GRAIN, 388 389 /*!\brief Codec control function to check the presence of forward key frames, 390 * int* parameter 391 */ 392 AOMD_GET_FWD_KF_PRESENT, 393 394 /*!\brief Codec control function to get the frame flags of the previous frame 395 * decoded, int* parameter 396 * 397 * This will return a flag of type aom_codec_frame_flags_t. 398 */ 399 AOMD_GET_FRAME_FLAGS, 400 401 /*!\brief Codec control function to check the presence of altref frames, int* 402 * parameter 403 */ 404 AOMD_GET_ALTREF_PRESENT, 405 406 /*!\brief Codec control function to get tile information of the previous frame 407 * decoded, aom_tile_info* parameter 408 * 409 * This will return a struct of type aom_tile_info. 410 */ 411 AOMD_GET_TILE_INFO, 412 413 /*!\brief Codec control function to get screen content tools information, 414 * aom_screen_content_tools_info* parameter 415 * 416 * It returns a struct of type aom_screen_content_tools_info, which contains 417 * the header flags allow_screen_content_tools, allow_intrabc, and 418 * force_integer_mv. 419 */ 420 AOMD_GET_SCREEN_CONTENT_TOOLS_INFO, 421 422 /*!\brief Codec control function to get the still picture coding information, 423 * aom_still_picture_info* parameter 424 */ 425 AOMD_GET_STILL_PICTURE, 426 427 /*!\brief Codec control function to get superblock size, 428 * aom_superblock_size_t* parameter 429 * 430 * It returns an enum, indicating the superblock size read from the sequence 431 * header(0 for BLOCK_64X64 and 1 for BLOCK_128X128) 432 */ 433 AOMD_GET_SB_SIZE, 434 435 /*!\brief Codec control function to check if the previous frame 436 * decoded has show existing frame flag set, int* parameter 437 */ 438 AOMD_GET_SHOW_EXISTING_FRAME_FLAG, 439 440 /*!\brief Codec control function to get the S_FRAME coding information, 441 * aom_s_frame_info* parameter 442 */ 443 AOMD_GET_S_FRAME_INFO, 444 445 /*!\brief Codec control function to get the show frame flag, int* parameter 446 */ 447 AOMD_GET_SHOW_FRAME_FLAG, 448 449 /*!\brief Codec control function to get the base q index of a frame, int* 450 * parameter 451 */ 452 AOMD_GET_BASE_Q_IDX, 453 454 /*!\brief Codec control function to get the order hint of a frame, unsigned 455 * int* parameter 456 */ 457 AOMD_GET_ORDER_HINT, 458 459 /*!\brief Codec control function to get the info of a 4x4 block. 460 * Parameters: int mi_row, int mi_col, and MB_MODE_INFO*. 461 * 462 * \note This only returns a shallow copy, so all pointer members should not 463 * be used. 464 */ 465 AV1D_GET_MI_INFO, 466 }; 467 468 /*!\cond */ 469 /*!\brief AOM decoder control function parameter type 470 * 471 * Defines the data types that AOMD control functions take. 472 * 473 * \note Additional common controls are defined in aom.h. 474 * 475 * \note For each control ID "X", a macro-define of 476 * AOM_CTRL_X is provided. It is used at compile time to determine 477 * if the control ID is supported by the libaom library available, 478 * when the libaom version cannot be controlled. 479 */ 480 AOM_CTRL_USE_TYPE(AOMD_GET_LAST_REF_UPDATES, int *) 481 #define AOM_CTRL_AOMD_GET_LAST_REF_UPDATES 482 483 AOM_CTRL_USE_TYPE(AOMD_GET_FRAME_CORRUPTED, int *) 484 #define AOM_CTRL_AOMD_GET_FRAME_CORRUPTED 485 486 AOM_CTRL_USE_TYPE(AOMD_GET_LAST_REF_USED, int *) 487 #define AOM_CTRL_AOMD_GET_LAST_REF_USED 488 489 AOM_CTRL_USE_TYPE(AV1D_GET_FRAME_SIZE, int *) 490 #define AOM_CTRL_AV1D_GET_FRAME_SIZE 491 492 AOM_CTRL_USE_TYPE(AV1D_GET_DISPLAY_SIZE, int *) 493 #define AOM_CTRL_AV1D_GET_DISPLAY_SIZE 494 495 AOM_CTRL_USE_TYPE(AV1D_GET_BIT_DEPTH, unsigned int *) 496 #define AOM_CTRL_AV1D_GET_BIT_DEPTH 497 498 AOM_CTRL_USE_TYPE(AV1D_GET_IMG_FORMAT, aom_img_fmt_t *) 499 #define AOM_CTRL_AV1D_GET_IMG_FORMAT 500 501 AOM_CTRL_USE_TYPE(AV1D_GET_TILE_SIZE, unsigned int *) 502 #define AOM_CTRL_AV1D_GET_TILE_SIZE 503 504 AOM_CTRL_USE_TYPE(AV1D_GET_TILE_COUNT, unsigned int *) 505 #define AOM_CTRL_AV1D_GET_TILE_COUNT 506 507 AOM_CTRL_USE_TYPE(AV1_INVERT_TILE_DECODE_ORDER, int) 508 #define AOM_CTRL_AV1_INVERT_TILE_DECODE_ORDER 509 510 AOM_CTRL_USE_TYPE(AV1_SET_SKIP_LOOP_FILTER, int) 511 #define AOM_CTRL_AV1_SET_SKIP_LOOP_FILTER 512 513 AOM_CTRL_USE_TYPE(AV1_GET_ACCOUNTING, Accounting **) 514 #define AOM_CTRL_AV1_GET_ACCOUNTING 515 516 AOM_CTRL_USE_TYPE(AOMD_GET_LAST_QUANTIZER, int *) 517 #define AOM_CTRL_AOMD_GET_LAST_QUANTIZER 518 519 AOM_CTRL_USE_TYPE(AV1_SET_DECODE_TILE_ROW, int) 520 #define AOM_CTRL_AV1_SET_DECODE_TILE_ROW 521 522 AOM_CTRL_USE_TYPE(AV1_SET_DECODE_TILE_COL, int) 523 #define AOM_CTRL_AV1_SET_DECODE_TILE_COL 524 525 AOM_CTRL_USE_TYPE(AV1_SET_TILE_MODE, unsigned int) 526 #define AOM_CTRL_AV1_SET_TILE_MODE 527 528 AOM_CTRL_USE_TYPE(AV1D_GET_FRAME_HEADER_INFO, aom_tile_data *) 529 #define AOM_CTRL_AV1D_GET_FRAME_HEADER_INFO 530 531 AOM_CTRL_USE_TYPE(AV1D_GET_TILE_DATA, aom_tile_data *) 532 #define AOM_CTRL_AV1D_GET_TILE_DATA 533 534 AOM_CTRL_USE_TYPE(AV1D_SET_EXT_REF_PTR, av1_ext_ref_frame_t *) 535 #define AOM_CTRL_AV1D_SET_EXT_REF_PTR 536 537 AOM_CTRL_USE_TYPE(AV1D_EXT_TILE_DEBUG, unsigned int) 538 #define AOM_CTRL_AV1D_EXT_TILE_DEBUG 539 540 AOM_CTRL_USE_TYPE(AV1D_SET_ROW_MT, unsigned int) 541 #define AOM_CTRL_AV1D_SET_ROW_MT 542 543 AOM_CTRL_USE_TYPE(AV1D_SET_IS_ANNEXB, unsigned int) 544 #define AOM_CTRL_AV1D_SET_IS_ANNEXB 545 546 AOM_CTRL_USE_TYPE(AV1D_SET_OPERATING_POINT, int) 547 #define AOM_CTRL_AV1D_SET_OPERATING_POINT 548 549 AOM_CTRL_USE_TYPE(AV1D_SET_OUTPUT_ALL_LAYERS, int) 550 #define AOM_CTRL_AV1D_SET_OUTPUT_ALL_LAYERS 551 552 AOM_CTRL_USE_TYPE(AV1_SET_INSPECTION_CALLBACK, aom_inspect_init *) 553 #define AOM_CTRL_AV1_SET_INSPECTION_CALLBACK 554 555 AOM_CTRL_USE_TYPE(AV1D_SET_SKIP_FILM_GRAIN, int) 556 #define AOM_CTRL_AV1D_SET_SKIP_FILM_GRAIN 557 558 AOM_CTRL_USE_TYPE(AOMD_GET_FWD_KF_PRESENT, int *) 559 #define AOM_CTRL_AOMD_GET_FWD_KF_PRESENT 560 561 AOM_CTRL_USE_TYPE(AOMD_GET_FRAME_FLAGS, int *) 562 #define AOM_CTRL_AOMD_GET_FRAME_FLAGS 563 564 AOM_CTRL_USE_TYPE(AOMD_GET_ALTREF_PRESENT, int *) 565 #define AOM_CTRL_AOMD_GET_ALTREF_PRESENT 566 567 AOM_CTRL_USE_TYPE(AOMD_GET_TILE_INFO, aom_tile_info *) 568 #define AOM_CTRL_AOMD_GET_TILE_INFO 569 570 AOM_CTRL_USE_TYPE(AOMD_GET_SCREEN_CONTENT_TOOLS_INFO, 571 aom_screen_content_tools_info *) 572 #define AOM_CTRL_AOMD_GET_SCREEN_CONTENT_TOOLS_INFO 573 574 AOM_CTRL_USE_TYPE(AOMD_GET_STILL_PICTURE, aom_still_picture_info *) 575 #define AOM_CTRL_AOMD_GET_STILL_PICTURE 576 577 AOM_CTRL_USE_TYPE(AOMD_GET_SB_SIZE, aom_superblock_size_t *) 578 #define AOMD_CTRL_AOMD_GET_SB_SIZE 579 580 AOM_CTRL_USE_TYPE(AOMD_GET_SHOW_EXISTING_FRAME_FLAG, int *) 581 #define AOMD_CTRL_AOMD_GET_SHOW_EXISTING_FRAME_FLAG 582 583 AOM_CTRL_USE_TYPE(AOMD_GET_S_FRAME_INFO, aom_s_frame_info *) 584 #define AOMD_CTRL_AOMD_GET_S_FRAME_INFO 585 586 AOM_CTRL_USE_TYPE(AOMD_GET_SHOW_FRAME_FLAG, int *) 587 #define AOM_CTRL_AOMD_GET_SHOW_FRAME_FLAG 588 589 AOM_CTRL_USE_TYPE(AOMD_GET_BASE_Q_IDX, int *) 590 #define AOM_CTRL_AOMD_GET_BASE_Q_IDX 591 592 AOM_CTRL_USE_TYPE(AOMD_GET_ORDER_HINT, unsigned int *) 593 #define AOM_CTRL_AOMD_GET_ORDER_HINT 594 595 // The AOM_CTRL_USE_TYPE macro can't be used with AV1D_GET_MI_INFO because 596 // AV1D_GET_MI_INFO takes more than one parameter. 597 #define AOM_CTRL_AV1D_GET_MI_INFO 598 /*!\endcond */ 599 /*! @} - end defgroup aom_decoder */ 600 #ifdef __cplusplus 601 } // extern "C" 602 #endif 603 604 #endif // AOM_AOM_AOMDX_H_ 605