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/*
* Copyright (c) 2014 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_ENCODER_VP9_DCT_H_
#define VP9_ENCODER_VP9_DCT_H_
#include "vp9/common/vp9_idct.h"
#ifdef __cplusplus
extern "C" {
#endif
void vp9_highbd_fdct4x4_c(const int16_t *input, tran_low_t *output, int stride);
void vp9_highbd_fdct8x8_c(const int16_t *input, tran_low_t *output, int stride);
void vp9_highbd_fdct16x16_c(const int16_t *input, tran_low_t *output,
int stride);
void vp9_highbd_fdct32x32_c(const int16_t *input, tran_low_t *out, int stride);
void vp9_highbd_fdct32x32_rd_c(const int16_t *input, tran_low_t *out,
int stride);
void vp9_fdct4(const tran_low_t *input, tran_low_t *output);
void vp9_fadst4(const tran_low_t *input, tran_low_t *output);
void vp9_fdct8(const tran_low_t *input, tran_low_t *output);
void vp9_fadst8(const tran_low_t *input, tran_low_t *output);
void vp9_fdct16(const tran_low_t in[16], tran_low_t out[16]);
void vp9_fadst16(const tran_low_t *input, tran_low_t *output);
void vp9_fdct32(const tran_high_t *input, tran_high_t *output, int round);
static const transform_2d FHT_4[] = {
{ vp9_fdct4, vp9_fdct4 }, // DCT_DCT = 0
{ vp9_fadst4, vp9_fdct4 }, // ADST_DCT = 1
{ vp9_fdct4, vp9_fadst4 }, // DCT_ADST = 2
{ vp9_fadst4, vp9_fadst4 } // ADST_ADST = 3
};
static const transform_2d FHT_8[] = {
{ vp9_fdct8, vp9_fdct8 }, // DCT_DCT = 0
{ vp9_fadst8, vp9_fdct8 }, // ADST_DCT = 1
{ vp9_fdct8, vp9_fadst8 }, // DCT_ADST = 2
{ vp9_fadst8, vp9_fadst8 } // ADST_ADST = 3
};
static const transform_2d FHT_16[] = {
{ vp9_fdct16, vp9_fdct16 }, // DCT_DCT = 0
{ vp9_fadst16, vp9_fdct16 }, // ADST_DCT = 1
{ vp9_fdct16, vp9_fadst16 }, // DCT_ADST = 2
{ vp9_fadst16, vp9_fadst16 } // ADST_ADST = 3
};
#ifdef __cplusplus
} // extern "C"
#endif
#endif // VP9_ENCODER_VP9_DCT_H_
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