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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 AV1_INV_TXFM1D_H_
#define AV1_INV_TXFM1D_H_
#include "av1/common/av1_txfm.h"
#ifdef __cplusplus
extern "C" {
#endif
static INLINE int32_t clamp_value(int32_t value, int8_t bit) {
if (bit <= 0) return value; // Do nothing for invalid clamp bit.
const int64_t max_value = (1LL << (bit - 1)) - 1;
const int64_t min_value = -(1LL << (bit - 1));
return (int32_t)clamp64(value, min_value, max_value);
}
static INLINE void clamp_buf(int32_t *buf, int32_t size, int8_t bit) {
for (int i = 0; i < size; ++i) buf[i] = clamp_value(buf[i], bit);
}
void av1_idct4_new(const int32_t *input, int32_t *output, int8_t cos_bit,
const int8_t *stage_range);
void av1_idct8_new(const int32_t *input, int32_t *output, int8_t cos_bit,
const int8_t *stage_range);
void av1_idct16_new(const int32_t *input, int32_t *output, int8_t cos_bit,
const int8_t *stage_range);
void av1_idct32_new(const int32_t *input, int32_t *output, int8_t cos_bit,
const int8_t *stage_range);
void av1_idct64_new(const int32_t *input, int32_t *output, int8_t cos_bit,
const int8_t *stage_range);
void av1_iadst4_new(const int32_t *input, int32_t *output, int8_t cos_bit,
const int8_t *stage_range);
void av1_iadst8_new(const int32_t *input, int32_t *output, int8_t cos_bit,
const int8_t *stage_range);
void av1_iadst16_new(const int32_t *input, int32_t *output, int8_t cos_bit,
const int8_t *stage_range);
void av1_iidentity4_c(const int32_t *input, int32_t *output, int8_t cos_bit,
const int8_t *stage_range);
void av1_iidentity8_c(const int32_t *input, int32_t *output, int8_t cos_bit,
const int8_t *stage_range);
void av1_iidentity16_c(const int32_t *input, int32_t *output, int8_t cos_bit,
const int8_t *stage_range);
void av1_iidentity32_c(const int32_t *input, int32_t *output, int8_t cos_bit,
const int8_t *stage_range);
#ifdef __cplusplus
}
#endif
#endif // AV1_INV_TXFM1D_H_
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