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/*
* Copyright (c) 2016, Alliance for Open Media. All rights reserved.
*
* This source code is subject to the terms of the BSD 2 Clause License and
* the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
* was not distributed with this source code in the LICENSE file, you can
* obtain it at www.aomedia.org/license/software. If the Alliance for Open
* Media Patent License 1.0 was not distributed with this source code in the
* PATENTS file, you can obtain it at www.aomedia.org/license/patent.
*/
#ifndef AOM_AV1_COMMON_IDCT_H_
#define AOM_AV1_COMMON_IDCT_H_
#include "config/aom_config.h"
#include "av1/common/blockd.h"
#include "av1/common/common.h"
#include "av1/common/enums.h"
#include "aom_dsp/txfm_common.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef void (*transform_1d)(const tran_low_t *, tran_low_t *);
typedef struct {
transform_1d cols, rows; // vertical and horizontal
} transform_2d;
#define MAX_TX_SCALE 1
int av1_get_tx_scale(const TX_SIZE tx_size);
void av1_inverse_transform_block(const MACROBLOCKD *xd,
const tran_low_t *dqcoeff, int plane,
TX_TYPE tx_type, TX_SIZE tx_size, uint8_t *dst,
int stride, int eob, int reduced_tx_set);
void av1_highbd_iwht4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
int eob, int bd);
static inline const int32_t *cast_to_int32(const tran_low_t *input) {
assert(sizeof(int32_t) == sizeof(tran_low_t));
return (const int32_t *)input;
}
#ifdef __cplusplus
} // extern "C"
#endif
#endif // AOM_AV1_COMMON_IDCT_H_