/*
 *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#ifndef VP9_COMMON_VP9_IDCT_H_
#define VP9_COMMON_VP9_IDCT_H_

#include <assert.h>

#include "./vpx_config.h"
#include "vp9/common/vp9_common.h"
#include "vp9/common/vp9_enums.h"
#include "vpx_dsp/inv_txfm.h"
#include "vpx_dsp/txfm_common.h"
#include "vpx_ports/mem.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;

#if CONFIG_VP9_HIGHBITDEPTH
typedef void (*highbd_transform_1d)(const tran_low_t*, tran_low_t*, int bd);

typedef struct {
  highbd_transform_1d cols, rows;  // vertical and horizontal
} highbd_transform_2d;
#endif  // CONFIG_VP9_HIGHBITDEPTH

void vp9_iwht4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
                     int eob);
void vp9_idct4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
                     int eob);
void vp9_idct8x8_add(const tran_low_t *input, uint8_t *dest, int stride,
                     int eob);
void vp9_idct16x16_add(const tran_low_t *input, uint8_t *dest, int stride,
                       int eob);
void vp9_idct32x32_add(const tran_low_t *input, uint8_t *dest, int stride,
                       int eob);

void vp9_iht4x4_add(TX_TYPE tx_type, const tran_low_t *input, uint8_t *dest,
                    int stride, int eob);
void vp9_iht8x8_add(TX_TYPE tx_type, const tran_low_t *input, uint8_t *dest,
                    int stride, int eob);
void vp9_iht16x16_add(TX_TYPE tx_type, const tran_low_t *input, uint8_t *dest,
                      int stride, int eob);

#if CONFIG_VP9_HIGHBITDEPTH
void vp9_highbd_iwht4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
                            int eob, int bd);
void vp9_highbd_idct4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
                            int eob, int bd);
void vp9_highbd_idct8x8_add(const tran_low_t *input, uint8_t *dest, int stride,
                            int eob, int bd);
void vp9_highbd_idct16x16_add(const tran_low_t *input, uint8_t *dest,
                              int stride, int eob, int bd);
void vp9_highbd_idct32x32_add(const tran_low_t *input, uint8_t *dest,
                              int stride, int eob, int bd);
void vp9_highbd_iht4x4_add(TX_TYPE tx_type, const tran_low_t *input,
                           uint8_t *dest, int stride, int eob, int bd);
void vp9_highbd_iht8x8_add(TX_TYPE tx_type, const tran_low_t *input,
                           uint8_t *dest, int stride, int eob, int bd);
void vp9_highbd_iht16x16_add(TX_TYPE tx_type, const tran_low_t *input,
                             uint8_t *dest, int stride, int eob, int bd);
#endif  // CONFIG_VP9_HIGHBITDEPTH
#ifdef __cplusplus
}  // extern "C"
#endif

#endif  // VP9_COMMON_VP9_IDCT_H_