1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
|
/*
* 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 "config/aom_config.h"
#include "config/av1_rtcd.h"
#include "config/aom_dsp_rtcd.h"
#include "av1/common/idct.h"
#include "av1/common/blockd.h"
#include "av1/encoder/hybrid_fwd_txfm.h"
/* 4-point reversible, orthonormal Walsh-Hadamard in 3.5 adds, 0.5 shifts per
pixel.
Shared for both high and low bit depth.
*/
void av1_fwht4x4_c(const int16_t *input, tran_low_t *output, int stride) {
int i;
tran_high_t a1, b1, c1, d1, e1;
const int16_t *ip_pass0 = input;
const tran_low_t *ip = NULL;
tran_low_t *op = output;
for (i = 0; i < 4; i++) {
a1 = ip_pass0[0 * stride];
b1 = ip_pass0[1 * stride];
c1 = ip_pass0[2 * stride];
d1 = ip_pass0[3 * stride];
a1 += b1;
d1 = d1 - c1;
e1 = (a1 - d1) >> 1;
b1 = e1 - b1;
c1 = e1 - c1;
a1 -= c1;
d1 += b1;
op[0] = (tran_low_t)a1;
op[1] = (tran_low_t)c1;
op[2] = (tran_low_t)d1;
op[3] = (tran_low_t)b1;
ip_pass0++;
op += 4;
}
ip = output;
op = output;
for (i = 0; i < 4; i++) {
a1 = ip[4 * 0];
b1 = ip[4 * 1];
c1 = ip[4 * 2];
d1 = ip[4 * 3];
a1 += b1;
d1 -= c1;
e1 = (a1 - d1) >> 1;
b1 = e1 - b1;
c1 = e1 - c1;
a1 -= c1;
d1 += b1;
op[4 * 0] = (tran_low_t)(a1 * UNIT_QUANT_FACTOR);
op[4 * 1] = (tran_low_t)(c1 * UNIT_QUANT_FACTOR);
op[4 * 2] = (tran_low_t)(d1 * UNIT_QUANT_FACTOR);
op[4 * 3] = (tran_low_t)(b1 * UNIT_QUANT_FACTOR);
ip++;
op++;
}
}
static void highbd_fwd_txfm_4x4(const int16_t *src_diff, tran_low_t *coeff,
int diff_stride, TxfmParam *txfm_param) {
int32_t *dst_coeff = (int32_t *)coeff;
const TX_TYPE tx_type = txfm_param->tx_type;
const int bd = txfm_param->bd;
if (txfm_param->lossless) {
assert(tx_type == DCT_DCT);
av1_fwht4x4(src_diff, coeff, diff_stride);
return;
}
av1_fwd_txfm2d_4x4(src_diff, dst_coeff, diff_stride, tx_type, bd);
}
static void highbd_fwd_txfm_4x8(const int16_t *src_diff, tran_low_t *coeff,
int diff_stride, TxfmParam *txfm_param) {
int32_t *dst_coeff = (int32_t *)coeff;
av1_fwd_txfm2d_4x8(src_diff, dst_coeff, diff_stride, txfm_param->tx_type,
txfm_param->bd);
}
static void highbd_fwd_txfm_8x4(const int16_t *src_diff, tran_low_t *coeff,
int diff_stride, TxfmParam *txfm_param) {
int32_t *dst_coeff = (int32_t *)coeff;
av1_fwd_txfm2d_8x4(src_diff, dst_coeff, diff_stride, txfm_param->tx_type,
txfm_param->bd);
}
static void highbd_fwd_txfm_8x16(const int16_t *src_diff, tran_low_t *coeff,
int diff_stride, TxfmParam *txfm_param) {
int32_t *dst_coeff = (int32_t *)coeff;
const TX_TYPE tx_type = txfm_param->tx_type;
const int bd = txfm_param->bd;
av1_fwd_txfm2d_8x16(src_diff, dst_coeff, diff_stride, tx_type, bd);
}
static void highbd_fwd_txfm_16x8(const int16_t *src_diff, tran_low_t *coeff,
int diff_stride, TxfmParam *txfm_param) {
int32_t *dst_coeff = (int32_t *)coeff;
const TX_TYPE tx_type = txfm_param->tx_type;
const int bd = txfm_param->bd;
av1_fwd_txfm2d_16x8(src_diff, dst_coeff, diff_stride, tx_type, bd);
}
static void highbd_fwd_txfm_16x32(const int16_t *src_diff, tran_low_t *coeff,
int diff_stride, TxfmParam *txfm_param) {
int32_t *dst_coeff = (int32_t *)coeff;
av1_fwd_txfm2d_16x32(src_diff, dst_coeff, diff_stride, txfm_param->tx_type,
txfm_param->bd);
}
static void highbd_fwd_txfm_32x16(const int16_t *src_diff, tran_low_t *coeff,
int diff_stride, TxfmParam *txfm_param) {
int32_t *dst_coeff = (int32_t *)coeff;
av1_fwd_txfm2d_32x16(src_diff, dst_coeff, diff_stride, txfm_param->tx_type,
txfm_param->bd);
}
#if !CONFIG_REALTIME_ONLY
static void highbd_fwd_txfm_16x4(const int16_t *src_diff, tran_low_t *coeff,
int diff_stride, TxfmParam *txfm_param) {
int32_t *dst_coeff = (int32_t *)coeff;
av1_fwd_txfm2d_16x4(src_diff, dst_coeff, diff_stride, txfm_param->tx_type,
txfm_param->bd);
}
static void highbd_fwd_txfm_4x16(const int16_t *src_diff, tran_low_t *coeff,
int diff_stride, TxfmParam *txfm_param) {
int32_t *dst_coeff = (int32_t *)coeff;
av1_fwd_txfm2d_4x16(src_diff, dst_coeff, diff_stride, txfm_param->tx_type,
txfm_param->bd);
}
static void highbd_fwd_txfm_32x8(const int16_t *src_diff, tran_low_t *coeff,
int diff_stride, TxfmParam *txfm_param) {
int32_t *dst_coeff = (int32_t *)coeff;
av1_fwd_txfm2d_32x8(src_diff, dst_coeff, diff_stride, txfm_param->tx_type,
txfm_param->bd);
}
static void highbd_fwd_txfm_8x32(const int16_t *src_diff, tran_low_t *coeff,
int diff_stride, TxfmParam *txfm_param) {
int32_t *dst_coeff = (int32_t *)coeff;
av1_fwd_txfm2d_8x32(src_diff, dst_coeff, diff_stride, txfm_param->tx_type,
txfm_param->bd);
}
#endif
static void highbd_fwd_txfm_8x8(const int16_t *src_diff, tran_low_t *coeff,
int diff_stride, TxfmParam *txfm_param) {
int32_t *dst_coeff = (int32_t *)coeff;
const TX_TYPE tx_type = txfm_param->tx_type;
const int bd = txfm_param->bd;
av1_fwd_txfm2d_8x8(src_diff, dst_coeff, diff_stride, tx_type, bd);
}
static void highbd_fwd_txfm_16x16(const int16_t *src_diff, tran_low_t *coeff,
int diff_stride, TxfmParam *txfm_param) {
int32_t *dst_coeff = (int32_t *)coeff;
const TX_TYPE tx_type = txfm_param->tx_type;
const int bd = txfm_param->bd;
av1_fwd_txfm2d_16x16(src_diff, dst_coeff, diff_stride, tx_type, bd);
}
static void highbd_fwd_txfm_32x32(const int16_t *src_diff, tran_low_t *coeff,
int diff_stride, TxfmParam *txfm_param) {
int32_t *dst_coeff = (int32_t *)coeff;
const TX_TYPE tx_type = txfm_param->tx_type;
const int bd = txfm_param->bd;
av1_fwd_txfm2d_32x32(src_diff, dst_coeff, diff_stride, tx_type, bd);
}
static void highbd_fwd_txfm_32x64(const int16_t *src_diff, tran_low_t *coeff,
int diff_stride, TxfmParam *txfm_param) {
assert(txfm_param->tx_type == DCT_DCT);
int32_t *dst_coeff = (int32_t *)coeff;
const int bd = txfm_param->bd;
av1_fwd_txfm2d_32x64(src_diff, dst_coeff, diff_stride, txfm_param->tx_type,
bd);
}
static void highbd_fwd_txfm_64x32(const int16_t *src_diff, tran_low_t *coeff,
int diff_stride, TxfmParam *txfm_param) {
assert(txfm_param->tx_type == DCT_DCT);
int32_t *dst_coeff = (int32_t *)coeff;
const int bd = txfm_param->bd;
av1_fwd_txfm2d_64x32(src_diff, dst_coeff, diff_stride, txfm_param->tx_type,
bd);
}
#if !CONFIG_REALTIME_ONLY
static void highbd_fwd_txfm_16x64(const int16_t *src_diff, tran_low_t *coeff,
int diff_stride, TxfmParam *txfm_param) {
assert(txfm_param->tx_type == DCT_DCT);
int32_t *dst_coeff = (int32_t *)coeff;
const int bd = txfm_param->bd;
av1_fwd_txfm2d_16x64(src_diff, dst_coeff, diff_stride, DCT_DCT, bd);
}
static void highbd_fwd_txfm_64x16(const int16_t *src_diff, tran_low_t *coeff,
int diff_stride, TxfmParam *txfm_param) {
assert(txfm_param->tx_type == DCT_DCT);
int32_t *dst_coeff = (int32_t *)coeff;
const int bd = txfm_param->bd;
av1_fwd_txfm2d_64x16(src_diff, dst_coeff, diff_stride, DCT_DCT, bd);
}
#endif
static void highbd_fwd_txfm_64x64(const int16_t *src_diff, tran_low_t *coeff,
int diff_stride, TxfmParam *txfm_param) {
assert(txfm_param->tx_type == DCT_DCT);
int32_t *dst_coeff = (int32_t *)coeff;
const int bd = txfm_param->bd;
av1_fwd_txfm2d_64x64(src_diff, dst_coeff, diff_stride, DCT_DCT, bd);
}
void av1_fwd_txfm(const int16_t *src_diff, tran_low_t *coeff, int diff_stride,
TxfmParam *txfm_param) {
if (txfm_param->bd == 8)
av1_lowbd_fwd_txfm(src_diff, coeff, diff_stride, txfm_param);
else
av1_highbd_fwd_txfm(src_diff, coeff, diff_stride, txfm_param);
}
void av1_lowbd_fwd_txfm_c(const int16_t *src_diff, tran_low_t *coeff,
int diff_stride, TxfmParam *txfm_param) {
av1_highbd_fwd_txfm(src_diff, coeff, diff_stride, txfm_param);
}
void av1_highbd_fwd_txfm(const int16_t *src_diff, tran_low_t *coeff,
int diff_stride, TxfmParam *txfm_param) {
assert(av1_ext_tx_used[txfm_param->tx_set_type][txfm_param->tx_type]);
const TX_SIZE tx_size = txfm_param->tx_size;
switch (tx_size) {
case TX_64X64:
highbd_fwd_txfm_64x64(src_diff, coeff, diff_stride, txfm_param);
break;
case TX_32X64:
highbd_fwd_txfm_32x64(src_diff, coeff, diff_stride, txfm_param);
break;
case TX_64X32:
highbd_fwd_txfm_64x32(src_diff, coeff, diff_stride, txfm_param);
break;
case TX_32X32:
highbd_fwd_txfm_32x32(src_diff, coeff, diff_stride, txfm_param);
break;
case TX_16X16:
highbd_fwd_txfm_16x16(src_diff, coeff, diff_stride, txfm_param);
break;
case TX_8X8:
highbd_fwd_txfm_8x8(src_diff, coeff, diff_stride, txfm_param);
break;
case TX_4X8:
highbd_fwd_txfm_4x8(src_diff, coeff, diff_stride, txfm_param);
break;
case TX_8X4:
highbd_fwd_txfm_8x4(src_diff, coeff, diff_stride, txfm_param);
break;
case TX_8X16:
highbd_fwd_txfm_8x16(src_diff, coeff, diff_stride, txfm_param);
break;
case TX_16X8:
highbd_fwd_txfm_16x8(src_diff, coeff, diff_stride, txfm_param);
break;
case TX_16X32:
highbd_fwd_txfm_16x32(src_diff, coeff, diff_stride, txfm_param);
break;
case TX_32X16:
highbd_fwd_txfm_32x16(src_diff, coeff, diff_stride, txfm_param);
break;
case TX_4X4:
highbd_fwd_txfm_4x4(src_diff, coeff, diff_stride, txfm_param);
break;
#if !CONFIG_REALTIME_ONLY
case TX_4X16:
highbd_fwd_txfm_4x16(src_diff, coeff, diff_stride, txfm_param);
break;
case TX_16X4:
highbd_fwd_txfm_16x4(src_diff, coeff, diff_stride, txfm_param);
break;
case TX_8X32:
highbd_fwd_txfm_8x32(src_diff, coeff, diff_stride, txfm_param);
break;
case TX_32X8:
highbd_fwd_txfm_32x8(src_diff, coeff, diff_stride, txfm_param);
break;
case TX_16X64:
highbd_fwd_txfm_16x64(src_diff, coeff, diff_stride, txfm_param);
break;
case TX_64X16:
highbd_fwd_txfm_64x16(src_diff, coeff, diff_stride, txfm_param);
break;
#endif
default: assert(0); break;
}
}
#if CONFIG_AV1_HIGHBITDEPTH
static INLINE void highbd_wht_fwd_txfm(TX_SIZE tx_size, const int16_t *src_diff,
ptrdiff_t src_stride,
tran_low_t *coeff) {
switch (tx_size) {
// As the output transform co-efficients of 4x4 Hadamard transform can be
// represented using 15 bits (for 12-bit clip) use lowbd variant of
// hadamard_4x4.
case TX_4X4: aom_hadamard_4x4(src_diff, src_stride, coeff); break;
case TX_8X8: aom_highbd_hadamard_8x8(src_diff, src_stride, coeff); break;
case TX_16X16:
aom_highbd_hadamard_16x16(src_diff, src_stride, coeff);
break;
case TX_32X32:
aom_highbd_hadamard_32x32(src_diff, src_stride, coeff);
break;
default: assert(0);
}
}
#endif // CONFIG_AV1_HIGHBITDEPTH
static INLINE void wht_fwd_txfm(TX_SIZE tx_size, const int16_t *src_diff,
ptrdiff_t src_stride, tran_low_t *coeff) {
switch (tx_size) {
case TX_4X4: aom_hadamard_4x4(src_diff, src_stride, coeff); break;
case TX_8X8: aom_hadamard_8x8(src_diff, src_stride, coeff); break;
case TX_16X16: aom_hadamard_16x16(src_diff, src_stride, coeff); break;
case TX_32X32: aom_hadamard_32x32(src_diff, src_stride, coeff); break;
default: assert(0);
}
}
void av1_quick_txfm(int use_hadamard, TX_SIZE tx_size, BitDepthInfo bd_info,
const int16_t *src_diff, int src_stride,
tran_low_t *coeff) {
if (use_hadamard) {
#if CONFIG_AV1_HIGHBITDEPTH
if (bd_info.use_highbitdepth_buf) {
highbd_wht_fwd_txfm(tx_size, src_diff, src_stride, coeff);
} else {
wht_fwd_txfm(tx_size, src_diff, src_stride, coeff);
}
#else
wht_fwd_txfm(tx_size, src_diff, src_stride, coeff);
#endif // CONFIG_AV1_HIGHBITDEPTH
} else {
TxfmParam txfm_param;
txfm_param.tx_type = DCT_DCT;
txfm_param.tx_size = tx_size;
txfm_param.lossless = 0;
txfm_param.bd = bd_info.bit_depth;
txfm_param.is_hbd = bd_info.use_highbitdepth_buf;
txfm_param.tx_set_type = EXT_TX_SET_ALL16;
av1_fwd_txfm(src_diff, coeff, src_stride, &txfm_param);
}
}
|