idct.h (1658B)
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 #ifndef AOM_AV1_COMMON_IDCT_H_ 13 #define AOM_AV1_COMMON_IDCT_H_ 14 15 #include "config/aom_config.h" 16 17 #include "av1/common/blockd.h" 18 #include "av1/common/common.h" 19 #include "av1/common/enums.h" 20 #include "aom_dsp/txfm_common.h" 21 22 #ifdef __cplusplus 23 extern "C" { 24 #endif 25 26 typedef void (*transform_1d)(const tran_low_t *, tran_low_t *); 27 28 typedef struct { 29 transform_1d cols, rows; // vertical and horizontal 30 } transform_2d; 31 32 #define MAX_TX_SCALE 1 33 int av1_get_tx_scale(const TX_SIZE tx_size); 34 35 void av1_inverse_transform_block(const MACROBLOCKD *xd, 36 const tran_low_t *dqcoeff, int plane, 37 TX_TYPE tx_type, TX_SIZE tx_size, uint8_t *dst, 38 int stride, int eob, int reduced_tx_set); 39 void av1_highbd_iwht4x4_add(const tran_low_t *input, uint8_t *dest, int stride, 40 int eob, int bd); 41 42 static inline const int32_t *cast_to_int32(const tran_low_t *input) { 43 assert(sizeof(int32_t) == sizeof(tran_low_t)); 44 return (const int32_t *)input; 45 } 46 47 #ifdef __cplusplus 48 } // extern "C" 49 #endif 50 51 #endif // AOM_AV1_COMMON_IDCT_H_