| /* |
| * 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_DSP_INV_TXFM_H_ |
| #define AOM_DSP_INV_TXFM_H_ |
| |
| #include <assert.h> |
| |
| #include "./aom_config.h" |
| #include "aom_dsp/txfm_common.h" |
| #include "aom_ports/mem.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| static INLINE tran_high_t dct_const_round_shift(tran_high_t input) { |
| return ROUND_POWER_OF_TWO(input, DCT_CONST_BITS); |
| } |
| |
| static INLINE tran_high_t check_range(tran_high_t input, int bd) { |
| const int32_t int_max = (1 << (7 + bd)) - 1; |
| const int32_t int_min = -int_max - 1; |
| #if CONFIG_COEFFICIENT_RANGE_CHECKING |
| // - 8 bit: signed 16 bit integer |
| // - 10 bit: signed 18 bit integer |
| // - 12 bit: signed 20 bit integer |
| assert(int_min <= input); |
| assert(input <= int_max); |
| #endif // CONFIG_COEFFICIENT_RANGE_CHECKING |
| return clamp64(input, int_min, int_max); |
| } |
| |
| #define WRAPLOW(x) ((int32_t)check_range(x, 8)) |
| #define HIGHBD_WRAPLOW(x, bd) ((int32_t)check_range((x), bd)) |
| |
| #if CONFIG_MRC_TX |
| // These each perform dct but add coefficients based on a mask |
| void aom_imrc32x32_1024_add_c(const tran_low_t *input, uint8_t *dest, |
| int stride, uint8_t *mask); |
| |
| void aom_imrc32x32_135_add_c(const tran_low_t *input, uint8_t *dest, int stride, |
| uint8_t *mask); |
| |
| void aom_imrc32x32_34_add_c(const tran_low_t *input, uint8_t *dest, int stride, |
| uint8_t *mask); |
| #endif // CONFIG_MRC_TX |
| |
| void aom_idct4_c(const tran_low_t *input, tran_low_t *output); |
| void aom_idct8_c(const tran_low_t *input, tran_low_t *output); |
| void aom_idct16_c(const tran_low_t *input, tran_low_t *output); |
| void aom_idct32_c(const tran_low_t *input, tran_low_t *output); |
| #if CONFIG_TX64X64 && CONFIG_DAALA_TX64 |
| void aom_idct64_c(const tran_low_t *input, tran_low_t *output); |
| #endif |
| void aom_iadst4_c(const tran_low_t *input, tran_low_t *output); |
| void aom_iadst8_c(const tran_low_t *input, tran_low_t *output); |
| void aom_iadst16_c(const tran_low_t *input, tran_low_t *output); |
| |
| void aom_highbd_idct4_c(const tran_low_t *input, tran_low_t *output, int bd); |
| void aom_highbd_idct8_c(const tran_low_t *input, tran_low_t *output, int bd); |
| void aom_highbd_idct16_c(const tran_low_t *input, tran_low_t *output, int bd); |
| void aom_highbd_idct32_c(const tran_low_t *input, tran_low_t *output, int bd); |
| |
| void aom_highbd_iadst4_c(const tran_low_t *input, tran_low_t *output, int bd); |
| void aom_highbd_iadst8_c(const tran_low_t *input, tran_low_t *output, int bd); |
| void aom_highbd_iadst16_c(const tran_low_t *input, tran_low_t *output, int bd); |
| |
| static INLINE uint16_t highbd_clip_pixel_add(uint16_t dest, tran_high_t trans, |
| int bd) { |
| trans = HIGHBD_WRAPLOW(trans, bd); |
| return clip_pixel_highbd(dest + (int)trans, bd); |
| } |
| |
| static INLINE uint8_t clip_pixel_add(uint8_t dest, tran_high_t trans) { |
| trans = WRAPLOW(trans); |
| return clip_pixel(dest + (int)trans); |
| } |
| #ifdef __cplusplus |
| } // extern "C" |
| #endif |
| |
| #endif // AOM_DSP_INV_TXFM_H_ |