chromium/third_party/libaom/source/libaom/av1/common/idct.c

/*
 * 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.
 */

#include <math.h>

#include "config/aom_dsp_rtcd.h"
#include "config/av1_rtcd.h"

#include "aom_ports/mem.h"
#include "av1/common/av1_inv_txfm1d_cfg.h"
#include "av1/common/av1_txfm.h"
#include "av1/common/blockd.h"
#include "av1/common/enums.h"
#include "av1/common/idct.h"

int av1_get_tx_scale(const TX_SIZE tx_size) { … }

// NOTE: The implementation of all inverses need to be aware of the fact
// that input and output could be the same buffer.

// idct
void av1_highbd_iwht4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
                            int eob, int bd) { … }

static void highbd_inv_txfm_add_4x4_c(const tran_low_t *input, uint8_t *dest,
                                      int stride, const TxfmParam *txfm_param) { … }

static void highbd_inv_txfm_add_4x8_c(const tran_low_t *input, uint8_t *dest,
                                      int stride, const TxfmParam *txfm_param) { … }

static void highbd_inv_txfm_add_8x4_c(const tran_low_t *input, uint8_t *dest,
                                      int stride, const TxfmParam *txfm_param) { … }

static void highbd_inv_txfm_add_16x32_c(const tran_low_t *input, uint8_t *dest,
                                        int stride,
                                        const TxfmParam *txfm_param) { … }

static void highbd_inv_txfm_add_32x16_c(const tran_low_t *input, uint8_t *dest,
                                        int stride,
                                        const TxfmParam *txfm_param) { … }

static void highbd_inv_txfm_add_16x4_c(const tran_low_t *input, uint8_t *dest,
                                       int stride,
                                       const TxfmParam *txfm_param) { … }

static void highbd_inv_txfm_add_4x16_c(const tran_low_t *input, uint8_t *dest,
                                       int stride,
                                       const TxfmParam *txfm_param) { … }

static void highbd_inv_txfm_add_32x8_c(const tran_low_t *input, uint8_t *dest,
                                       int stride,
                                       const TxfmParam *txfm_param) { … }

static void highbd_inv_txfm_add_8x32_c(const tran_low_t *input, uint8_t *dest,
                                       int stride,
                                       const TxfmParam *txfm_param) { … }

static void highbd_inv_txfm_add_32x64_c(const tran_low_t *input, uint8_t *dest,
                                        int stride,
                                        const TxfmParam *txfm_param) { … }

static void highbd_inv_txfm_add_64x32_c(const tran_low_t *input, uint8_t *dest,
                                        int stride,
                                        const TxfmParam *txfm_param) { … }

static void highbd_inv_txfm_add_16x64_c(const tran_low_t *input, uint8_t *dest,
                                        int stride,
                                        const TxfmParam *txfm_param) { … }

static void highbd_inv_txfm_add_64x16_c(const tran_low_t *input, uint8_t *dest,
                                        int stride,
                                        const TxfmParam *txfm_param) { … }

static void highbd_inv_txfm_add_8x8_c(const tran_low_t *input, uint8_t *dest,
                                      int stride, const TxfmParam *txfm_param) { … }

static void highbd_inv_txfm_add_16x16_c(const tran_low_t *input, uint8_t *dest,
                                        int stride,
                                        const TxfmParam *txfm_param) { … }

static void highbd_inv_txfm_add_8x16_c(const tran_low_t *input, uint8_t *dest,
                                       int stride,
                                       const TxfmParam *txfm_param) { … }

static void highbd_inv_txfm_add_16x8_c(const tran_low_t *input, uint8_t *dest,
                                       int stride,
                                       const TxfmParam *txfm_param) { … }

static void highbd_inv_txfm_add_32x32_c(const tran_low_t *input, uint8_t *dest,
                                        int stride,
                                        const TxfmParam *txfm_param) { … }

static void highbd_inv_txfm_add_64x64_c(const tran_low_t *input, uint8_t *dest,
                                        int stride,
                                        const TxfmParam *txfm_param) { … }

static void init_txfm_param(const MACROBLOCKD *xd, int plane, TX_SIZE tx_size,
                            TX_TYPE tx_type, int eob, int reduced_tx_set,
                            TxfmParam *txfm_param) { … }

void av1_highbd_inv_txfm_add_c(const tran_low_t *input, uint8_t *dest,
                               int stride, const TxfmParam *txfm_param) { … }

void av1_inv_txfm_add_c(const tran_low_t *dqcoeff, uint8_t *dst, int stride,
                        const TxfmParam *txfm_param) { … }

void av1_inverse_transform_block(const MACROBLOCKD *xd,
                                 const tran_low_t *dqcoeff, int plane,
                                 TX_TYPE tx_type, TX_SIZE tx_size, uint8_t *dst,
                                 int stride, int eob, int reduced_tx_set) { … }