| /* |
| * Copyright (c) 2021, Alliance for Open Media. All rights reserved |
| * |
| * This source code is subject to the terms of the BSD 3-Clause Clear License |
| * and the Alliance for Open Media Patent License 1.0. If the BSD 3-Clause Clear |
| * License was not distributed with this source code in the LICENSE file, you |
| * can obtain it at aomedia.org/license/software-license/bsd-3-c-c/. 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 |
| * aomedia.org/license/patent-license/. |
| */ |
| |
| #ifndef AOM_AV1_COMMON_AV1_INV_TXFM1D_H_ |
| #define AOM_AV1_COMMON_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(const int32_t *input, int32_t *output, int8_t cos_bit, |
| const int8_t *stage_range); |
| void av1_idct8(const int32_t *input, int32_t *output, int8_t cos_bit, |
| const int8_t *stage_range); |
| void av1_idct16(const int32_t *input, int32_t *output, int8_t cos_bit, |
| const int8_t *stage_range); |
| void av1_idct32(const int32_t *input, int32_t *output, int8_t cos_bit, |
| const int8_t *stage_range); |
| void av1_idct64(const int32_t *input, int32_t *output, int8_t cos_bit, |
| const int8_t *stage_range); |
| void av1_iadst4(const int32_t *input, int32_t *output, int8_t cos_bit, |
| const int8_t *stage_range); |
| void av1_iadst8(const int32_t *input, int32_t *output, int8_t cos_bit, |
| const int8_t *stage_range); |
| void av1_iadst16(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 // AOM_AV1_COMMON_AV1_INV_TXFM1D_H_ |