1 /*
2 * Copyright (c) 2016, Alliance for Open Media. All rights reserved
3 *
4 * This source code is subject to the terms of the BSD 2 Clause License and
5 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
6 * was not distributed with this source code in the LICENSE file, you can
7 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
8 * Media Patent License 1.0 was not distributed with this source code in the
9 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
10 */
11
12 #ifndef AOM_AV1_COMMON_IDCT_H_
13 #define AOM_AV1_COMMON_IDCT_H_
14
15 #include "config/aom_config.h"
16
17 #include "av1/common/blockd.h"
18 #include "av1/common/common.h"
19 #include "av1/common/enums.h"
20 #include "aom_dsp/txfm_common.h"
21
22 #ifdef __cplusplus
23 extern "C" {
24 #endif
25
26 typedef void (*transform_1d)(const tran_low_t *, tran_low_t *);
27
28 typedef struct {
29 transform_1d cols, rows; // vertical and horizontal
30 } transform_2d;
31
32 #define MAX_TX_SCALE 1
33 int av1_get_tx_scale(const TX_SIZE tx_size);
34
35 void av1_inverse_transform_block(const MACROBLOCKD *xd,
36 const tran_low_t *dqcoeff, int plane,
37 TX_TYPE tx_type, TX_SIZE tx_size, uint8_t *dst,
38 int stride, int eob, int reduced_tx_set);
39 void av1_highbd_iwht4x4_add(const tran_low_t *input, uint8_t *dest, int stride,
40 int eob, int bd);
41
cast_to_int32(const tran_low_t * input)42 static INLINE const int32_t *cast_to_int32(const tran_low_t *input) {
43 assert(sizeof(int32_t) == sizeof(tran_low_t));
44 return (const int32_t *)input;
45 }
46
47 typedef void(highbd_inv_txfm_add)(const tran_low_t *input, uint8_t *dest,
48 int stride, const TxfmParam *param);
49
50 highbd_inv_txfm_add av1_highbd_inv_txfm_add_4x8;
51 highbd_inv_txfm_add av1_highbd_inv_txfm_add_8x4;
52 highbd_inv_txfm_add av1_highbd_inv_txfm_add_16x32;
53 highbd_inv_txfm_add av1_highbd_inv_txfm_add_32x16;
54 highbd_inv_txfm_add av1_highbd_inv_txfm_add_32x64;
55 highbd_inv_txfm_add av1_highbd_inv_txfm_add_64x32;
56 highbd_inv_txfm_add av1_highbd_inv_txfm_add_16x64;
57 highbd_inv_txfm_add av1_highbd_inv_txfm_add_64x16;
58 highbd_inv_txfm_add av1_highbd_inv_txfm_add_16x4;
59 highbd_inv_txfm_add av1_highbd_inv_txfm_add_4x16;
60 highbd_inv_txfm_add av1_highbd_inv_txfm_add_8x32;
61 highbd_inv_txfm_add av1_highbd_inv_txfm_add_32x8;
62
63 #ifdef __cplusplus
64 } // extern "C"
65 #endif
66
67 #endif // AOM_AV1_COMMON_IDCT_H_
68