1 /*
2 * Copyright (c) 2022, 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 #include <arm_neon.h>
13 #include <assert.h>
14 #include <string.h>
15
16 #include "config/aom_config.h"
17 #include "config/aom_dsp_rtcd.h"
18
19 #include "aom_dsp/quantize.h"
20
sum_abs_coeff(const uint32x4_t a)21 static inline uint32_t sum_abs_coeff(const uint32x4_t a) {
22 #if AOM_ARCH_AARCH64
23 return vaddvq_u32(a);
24 #else
25 const uint64x2_t b = vpaddlq_u32(a);
26 const uint64x1_t c = vadd_u64(vget_low_u64(b), vget_high_u64(b));
27 return (uint32_t)vget_lane_u64(c, 0);
28 #endif
29 }
30
quantize_4(const tran_low_t * coeff_ptr,tran_low_t * qcoeff_ptr,tran_low_t * dqcoeff_ptr,int32x4_t v_quant_s32,int32x4_t v_dequant_s32,int32x4_t v_round_s32,int32x4_t v_zbin_s32,int32x4_t v_quant_shift_s32,int log_scale)31 static inline uint16x4_t quantize_4(
32 const tran_low_t *coeff_ptr, tran_low_t *qcoeff_ptr,
33 tran_low_t *dqcoeff_ptr, int32x4_t v_quant_s32, int32x4_t v_dequant_s32,
34 int32x4_t v_round_s32, int32x4_t v_zbin_s32, int32x4_t v_quant_shift_s32,
35 int log_scale) {
36 const int32x4_t v_coeff = vld1q_s32(coeff_ptr);
37 const int32x4_t v_coeff_sign =
38 vreinterpretq_s32_u32(vcltq_s32(v_coeff, vdupq_n_s32(0)));
39 const int32x4_t v_abs_coeff = vabsq_s32(v_coeff);
40 // if (abs_coeff < zbins[rc != 0]),
41 const uint32x4_t v_zbin_mask = vcgeq_s32(v_abs_coeff, v_zbin_s32);
42 const int32x4_t v_log_scale = vdupq_n_s32(log_scale);
43 // const int64_t tmp = (int64_t)abs_coeff + log_scaled_round;
44 const int32x4_t v_tmp = vaddq_s32(v_abs_coeff, v_round_s32);
45 // const int32_t tmpw32 = tmp * wt;
46 const int32x4_t v_tmpw32 = vmulq_s32(v_tmp, vdupq_n_s32((1 << AOM_QM_BITS)));
47 // const int32_t tmp2 = (int32_t)((tmpw32 * quant64) >> 16);
48 const int32x4_t v_tmp2 = vqdmulhq_s32(v_tmpw32, v_quant_s32);
49 // const int32_t tmp3 =
50 // ((((tmp2 + tmpw32)<< log_scale) * (int64_t)(quant_shift << 15)) >> 32);
51 const int32x4_t v_tmp3 = vqdmulhq_s32(
52 vshlq_s32(vaddq_s32(v_tmp2, v_tmpw32), v_log_scale), v_quant_shift_s32);
53 // const int abs_qcoeff = vmask ? (int)tmp3 >> AOM_QM_BITS : 0;
54 const int32x4_t v_abs_qcoeff = vandq_s32(vreinterpretq_s32_u32(v_zbin_mask),
55 vshrq_n_s32(v_tmp3, AOM_QM_BITS));
56 // const tran_low_t abs_dqcoeff = (abs_qcoeff * dequant_iwt) >> log_scale;
57 // vshlq_s32 will shift right if shift value is negative.
58 const int32x4_t v_abs_dqcoeff =
59 vshlq_s32(vmulq_s32(v_abs_qcoeff, v_dequant_s32), vnegq_s32(v_log_scale));
60 // qcoeff_ptr[rc] = (tran_low_t)((abs_qcoeff ^ coeff_sign) - coeff_sign);
61 const int32x4_t v_qcoeff =
62 vsubq_s32(veorq_s32(v_abs_qcoeff, v_coeff_sign), v_coeff_sign);
63 // dqcoeff_ptr[rc] = (tran_low_t)((abs_dqcoeff ^ coeff_sign) - coeff_sign);
64 const int32x4_t v_dqcoeff =
65 vsubq_s32(veorq_s32(v_abs_dqcoeff, v_coeff_sign), v_coeff_sign);
66
67 vst1q_s32(qcoeff_ptr, v_qcoeff);
68 vst1q_s32(dqcoeff_ptr, v_dqcoeff);
69
70 // Used to find eob.
71 const uint32x4_t nz_qcoeff_mask = vcgtq_s32(v_abs_qcoeff, vdupq_n_s32(0));
72 return vmovn_u32(nz_qcoeff_mask);
73 }
74
get_max_lane_eob(const int16_t * iscan,int16x8_t v_eobmax,uint16x8_t v_mask)75 static inline int16x8_t get_max_lane_eob(const int16_t *iscan,
76 int16x8_t v_eobmax,
77 uint16x8_t v_mask) {
78 const int16x8_t v_iscan = vld1q_s16(&iscan[0]);
79 const int16x8_t v_iscan_plus1 = vaddq_s16(v_iscan, vdupq_n_s16(1));
80 const int16x8_t v_nz_iscan = vbslq_s16(v_mask, v_iscan_plus1, vdupq_n_s16(0));
81 return vmaxq_s16(v_eobmax, v_nz_iscan);
82 }
83
84 #if !CONFIG_REALTIME_ONLY
get_min_max_lane_eob(const int16_t * iscan,int16x8_t * v_eobmin,int16x8_t * v_eobmax,uint16x8_t v_mask,intptr_t n_coeffs)85 static inline void get_min_max_lane_eob(const int16_t *iscan,
86 int16x8_t *v_eobmin,
87 int16x8_t *v_eobmax, uint16x8_t v_mask,
88 intptr_t n_coeffs) {
89 const int16x8_t v_iscan = vld1q_s16(&iscan[0]);
90 const int16x8_t v_nz_iscan_max = vbslq_s16(v_mask, v_iscan, vdupq_n_s16(-1));
91 #if SKIP_EOB_FACTOR_ADJUST
92 const int16x8_t v_nz_iscan_min =
93 vbslq_s16(v_mask, v_iscan, vdupq_n_s16((int16_t)n_coeffs));
94 *v_eobmin = vminq_s16(*v_eobmin, v_nz_iscan_min);
95 #else
96 (void)v_eobmin;
97 #endif
98 *v_eobmax = vmaxq_s16(*v_eobmax, v_nz_iscan_max);
99 }
100 #endif // !CONFIG_REALTIME_ONLY
101
get_max_eob(int16x8_t v_eobmax)102 static inline uint16_t get_max_eob(int16x8_t v_eobmax) {
103 #if AOM_ARCH_AARCH64
104 return (uint16_t)vmaxvq_s16(v_eobmax);
105 #else
106 const int16x4_t v_eobmax_3210 =
107 vmax_s16(vget_low_s16(v_eobmax), vget_high_s16(v_eobmax));
108 const int64x1_t v_eobmax_xx32 =
109 vshr_n_s64(vreinterpret_s64_s16(v_eobmax_3210), 32);
110 const int16x4_t v_eobmax_tmp =
111 vmax_s16(v_eobmax_3210, vreinterpret_s16_s64(v_eobmax_xx32));
112 const int64x1_t v_eobmax_xxx3 =
113 vshr_n_s64(vreinterpret_s64_s16(v_eobmax_tmp), 16);
114 const int16x4_t v_eobmax_final =
115 vmax_s16(v_eobmax_tmp, vreinterpret_s16_s64(v_eobmax_xxx3));
116 return (uint16_t)vget_lane_s16(v_eobmax_final, 0);
117 #endif
118 }
119
120 #if SKIP_EOB_FACTOR_ADJUST && !CONFIG_REALTIME_ONLY
get_min_eob(int16x8_t v_eobmin)121 static inline uint16_t get_min_eob(int16x8_t v_eobmin) {
122 #if AOM_ARCH_AARCH64
123 return (uint16_t)vminvq_s16(v_eobmin);
124 #else
125 const int16x4_t v_eobmin_3210 =
126 vmin_s16(vget_low_s16(v_eobmin), vget_high_s16(v_eobmin));
127 const int64x1_t v_eobmin_xx32 =
128 vshr_n_s64(vreinterpret_s64_s16(v_eobmin_3210), 32);
129 const int16x4_t v_eobmin_tmp =
130 vmin_s16(v_eobmin_3210, vreinterpret_s16_s64(v_eobmin_xx32));
131 const int64x1_t v_eobmin_xxx3 =
132 vshr_n_s64(vreinterpret_s64_s16(v_eobmin_tmp), 16);
133 const int16x4_t v_eobmin_final =
134 vmin_s16(v_eobmin_tmp, vreinterpret_s16_s64(v_eobmin_xxx3));
135 return (uint16_t)vget_lane_s16(v_eobmin_final, 0);
136 #endif
137 }
138 #endif // SKIP_EOB_FACTOR_ADJUST && !CONFIG_REALTIME_ONLY
139
highbd_quantize_b_neon(const tran_low_t * coeff_ptr,intptr_t n_coeffs,const int16_t * zbin_ptr,const int16_t * round_ptr,const int16_t * quant_ptr,const int16_t * quant_shift_ptr,tran_low_t * qcoeff_ptr,tran_low_t * dqcoeff_ptr,const int16_t * dequant_ptr,uint16_t * eob_ptr,const int16_t * scan,const int16_t * iscan,const int log_scale)140 static void highbd_quantize_b_neon(
141 const tran_low_t *coeff_ptr, intptr_t n_coeffs, const int16_t *zbin_ptr,
142 const int16_t *round_ptr, const int16_t *quant_ptr,
143 const int16_t *quant_shift_ptr, tran_low_t *qcoeff_ptr,
144 tran_low_t *dqcoeff_ptr, const int16_t *dequant_ptr, uint16_t *eob_ptr,
145 const int16_t *scan, const int16_t *iscan, const int log_scale) {
146 (void)scan;
147 const int16x4_t v_quant = vld1_s16(quant_ptr);
148 const int16x4_t v_dequant = vld1_s16(dequant_ptr);
149 const int16x4_t v_zero = vdup_n_s16(0);
150 const uint16x4_t v_round_select = vcgt_s16(vdup_n_s16(log_scale), v_zero);
151 const int16x4_t v_round_no_scale = vld1_s16(round_ptr);
152 const int16x4_t v_round_log_scale =
153 vqrdmulh_n_s16(v_round_no_scale, (int16_t)(1 << (15 - log_scale)));
154 const int16x4_t v_round =
155 vbsl_s16(v_round_select, v_round_log_scale, v_round_no_scale);
156 const int16x4_t v_quant_shift = vld1_s16(quant_shift_ptr);
157 const int16x4_t v_zbin_no_scale = vld1_s16(zbin_ptr);
158 const int16x4_t v_zbin_log_scale =
159 vqrdmulh_n_s16(v_zbin_no_scale, (int16_t)(1 << (15 - log_scale)));
160 const int16x4_t v_zbin =
161 vbsl_s16(v_round_select, v_zbin_log_scale, v_zbin_no_scale);
162 int32x4_t v_round_s32 = vmovl_s16(v_round);
163 int32x4_t v_quant_s32 = vshlq_n_s32(vmovl_s16(v_quant), 15);
164 int32x4_t v_dequant_s32 = vmovl_s16(v_dequant);
165 int32x4_t v_quant_shift_s32 = vshlq_n_s32(vmovl_s16(v_quant_shift), 15);
166 int32x4_t v_zbin_s32 = vmovl_s16(v_zbin);
167 uint16x4_t v_mask_lo, v_mask_hi;
168 int16x8_t v_eobmax = vdupq_n_s16(-1);
169
170 intptr_t non_zero_count = n_coeffs;
171
172 assert(n_coeffs > 8);
173 // Pre-scan pass
174 const int32x4_t v_zbin_s32x = vdupq_lane_s32(vget_low_s32(v_zbin_s32), 1);
175 intptr_t i = n_coeffs;
176 do {
177 const int32x4_t v_coeff_a = vld1q_s32(coeff_ptr + i - 4);
178 const int32x4_t v_coeff_b = vld1q_s32(coeff_ptr + i - 8);
179 const int32x4_t v_abs_coeff_a = vabsq_s32(v_coeff_a);
180 const int32x4_t v_abs_coeff_b = vabsq_s32(v_coeff_b);
181 const uint32x4_t v_mask_a = vcgeq_s32(v_abs_coeff_a, v_zbin_s32x);
182 const uint32x4_t v_mask_b = vcgeq_s32(v_abs_coeff_b, v_zbin_s32x);
183 // If the coefficient is in the base ZBIN range, then discard.
184 if (sum_abs_coeff(v_mask_a) + sum_abs_coeff(v_mask_b) == 0) {
185 non_zero_count -= 8;
186 } else {
187 break;
188 }
189 i -= 8;
190 } while (i > 0);
191
192 const intptr_t remaining_zcoeffs = n_coeffs - non_zero_count;
193 memset(qcoeff_ptr + non_zero_count, 0,
194 remaining_zcoeffs * sizeof(*qcoeff_ptr));
195 memset(dqcoeff_ptr + non_zero_count, 0,
196 remaining_zcoeffs * sizeof(*dqcoeff_ptr));
197
198 // DC and first 3 AC
199 v_mask_lo =
200 quantize_4(coeff_ptr, qcoeff_ptr, dqcoeff_ptr, v_quant_s32, v_dequant_s32,
201 v_round_s32, v_zbin_s32, v_quant_shift_s32, log_scale);
202
203 // overwrite the DC constants with AC constants
204 v_round_s32 = vdupq_lane_s32(vget_low_s32(v_round_s32), 1);
205 v_quant_s32 = vdupq_lane_s32(vget_low_s32(v_quant_s32), 1);
206 v_dequant_s32 = vdupq_lane_s32(vget_low_s32(v_dequant_s32), 1);
207 v_quant_shift_s32 = vdupq_lane_s32(vget_low_s32(v_quant_shift_s32), 1);
208 v_zbin_s32 = vdupq_lane_s32(vget_low_s32(v_zbin_s32), 1);
209
210 // 4 more AC
211 v_mask_hi = quantize_4(coeff_ptr + 4, qcoeff_ptr + 4, dqcoeff_ptr + 4,
212 v_quant_s32, v_dequant_s32, v_round_s32, v_zbin_s32,
213 v_quant_shift_s32, log_scale);
214
215 v_eobmax =
216 get_max_lane_eob(iscan, v_eobmax, vcombine_u16(v_mask_lo, v_mask_hi));
217
218 intptr_t count = non_zero_count - 8;
219 for (; count > 0; count -= 8) {
220 coeff_ptr += 8;
221 qcoeff_ptr += 8;
222 dqcoeff_ptr += 8;
223 iscan += 8;
224 v_mask_lo = quantize_4(coeff_ptr, qcoeff_ptr, dqcoeff_ptr, v_quant_s32,
225 v_dequant_s32, v_round_s32, v_zbin_s32,
226 v_quant_shift_s32, log_scale);
227 v_mask_hi = quantize_4(coeff_ptr + 4, qcoeff_ptr + 4, dqcoeff_ptr + 4,
228 v_quant_s32, v_dequant_s32, v_round_s32, v_zbin_s32,
229 v_quant_shift_s32, log_scale);
230 // Find the max lane eob for 8 coeffs.
231 v_eobmax =
232 get_max_lane_eob(iscan, v_eobmax, vcombine_u16(v_mask_lo, v_mask_hi));
233 }
234
235 *eob_ptr = get_max_eob(v_eobmax);
236 }
237
aom_highbd_quantize_b_neon(const tran_low_t * coeff_ptr,intptr_t n_coeffs,const int16_t * zbin_ptr,const int16_t * round_ptr,const int16_t * quant_ptr,const int16_t * quant_shift_ptr,tran_low_t * qcoeff_ptr,tran_low_t * dqcoeff_ptr,const int16_t * dequant_ptr,uint16_t * eob_ptr,const int16_t * scan,const int16_t * iscan)238 void aom_highbd_quantize_b_neon(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
239 const int16_t *zbin_ptr,
240 const int16_t *round_ptr,
241 const int16_t *quant_ptr,
242 const int16_t *quant_shift_ptr,
243 tran_low_t *qcoeff_ptr, tran_low_t *dqcoeff_ptr,
244 const int16_t *dequant_ptr, uint16_t *eob_ptr,
245 const int16_t *scan, const int16_t *iscan) {
246 highbd_quantize_b_neon(coeff_ptr, n_coeffs, zbin_ptr, round_ptr, quant_ptr,
247 quant_shift_ptr, qcoeff_ptr, dqcoeff_ptr, dequant_ptr,
248 eob_ptr, scan, iscan, 0);
249 }
250
aom_highbd_quantize_b_32x32_neon(const tran_low_t * coeff_ptr,intptr_t n_coeffs,const int16_t * zbin_ptr,const int16_t * round_ptr,const int16_t * quant_ptr,const int16_t * quant_shift_ptr,tran_low_t * qcoeff_ptr,tran_low_t * dqcoeff_ptr,const int16_t * dequant_ptr,uint16_t * eob_ptr,const int16_t * scan,const int16_t * iscan)251 void aom_highbd_quantize_b_32x32_neon(
252 const tran_low_t *coeff_ptr, intptr_t n_coeffs, const int16_t *zbin_ptr,
253 const int16_t *round_ptr, const int16_t *quant_ptr,
254 const int16_t *quant_shift_ptr, tran_low_t *qcoeff_ptr,
255 tran_low_t *dqcoeff_ptr, const int16_t *dequant_ptr, uint16_t *eob_ptr,
256 const int16_t *scan, const int16_t *iscan) {
257 highbd_quantize_b_neon(coeff_ptr, n_coeffs, zbin_ptr, round_ptr, quant_ptr,
258 quant_shift_ptr, qcoeff_ptr, dqcoeff_ptr, dequant_ptr,
259 eob_ptr, scan, iscan, 1);
260 }
261
aom_highbd_quantize_b_64x64_neon(const tran_low_t * coeff_ptr,intptr_t n_coeffs,const int16_t * zbin_ptr,const int16_t * round_ptr,const int16_t * quant_ptr,const int16_t * quant_shift_ptr,tran_low_t * qcoeff_ptr,tran_low_t * dqcoeff_ptr,const int16_t * dequant_ptr,uint16_t * eob_ptr,const int16_t * scan,const int16_t * iscan)262 void aom_highbd_quantize_b_64x64_neon(
263 const tran_low_t *coeff_ptr, intptr_t n_coeffs, const int16_t *zbin_ptr,
264 const int16_t *round_ptr, const int16_t *quant_ptr,
265 const int16_t *quant_shift_ptr, tran_low_t *qcoeff_ptr,
266 tran_low_t *dqcoeff_ptr, const int16_t *dequant_ptr, uint16_t *eob_ptr,
267 const int16_t *scan, const int16_t *iscan) {
268 highbd_quantize_b_neon(coeff_ptr, n_coeffs, zbin_ptr, round_ptr, quant_ptr,
269 quant_shift_ptr, qcoeff_ptr, dqcoeff_ptr, dequant_ptr,
270 eob_ptr, scan, iscan, 2);
271 }
272
273 #if !CONFIG_REALTIME_ONLY
highbd_quantize_b_adaptive_neon(const tran_low_t * coeff_ptr,intptr_t n_coeffs,const int16_t * zbin_ptr,const int16_t * round_ptr,const int16_t * quant_ptr,const int16_t * quant_shift_ptr,tran_low_t * qcoeff_ptr,tran_low_t * dqcoeff_ptr,const int16_t * dequant_ptr,uint16_t * eob_ptr,const int16_t * scan,const int16_t * iscan,const int log_scale)274 static void highbd_quantize_b_adaptive_neon(
275 const tran_low_t *coeff_ptr, intptr_t n_coeffs, const int16_t *zbin_ptr,
276 const int16_t *round_ptr, const int16_t *quant_ptr,
277 const int16_t *quant_shift_ptr, tran_low_t *qcoeff_ptr,
278 tran_low_t *dqcoeff_ptr, const int16_t *dequant_ptr, uint16_t *eob_ptr,
279 const int16_t *scan, const int16_t *iscan, const int log_scale) {
280 (void)scan;
281 const int16x4_t v_quant = vld1_s16(quant_ptr);
282 const int16x4_t v_dequant = vld1_s16(dequant_ptr);
283 const int16x4_t v_zero = vdup_n_s16(0);
284 const uint16x4_t v_round_select = vcgt_s16(vdup_n_s16(log_scale), v_zero);
285 const int16x4_t v_round_no_scale = vld1_s16(round_ptr);
286 const int16x4_t v_round_log_scale =
287 vqrdmulh_n_s16(v_round_no_scale, (int16_t)(1 << (15 - log_scale)));
288 const int16x4_t v_round =
289 vbsl_s16(v_round_select, v_round_log_scale, v_round_no_scale);
290 const int16x4_t v_quant_shift = vld1_s16(quant_shift_ptr);
291 const int16x4_t v_zbin_no_scale = vld1_s16(zbin_ptr);
292 const int16x4_t v_zbin_log_scale =
293 vqrdmulh_n_s16(v_zbin_no_scale, (int16_t)(1 << (15 - log_scale)));
294 const int16x4_t v_zbin =
295 vbsl_s16(v_round_select, v_zbin_log_scale, v_zbin_no_scale);
296 int32x4_t v_round_s32 = vmovl_s16(v_round);
297 int32x4_t v_quant_s32 = vshlq_n_s32(vmovl_s16(v_quant), 15);
298 int32x4_t v_dequant_s32 = vmovl_s16(v_dequant);
299 int32x4_t v_quant_shift_s32 = vshlq_n_s32(vmovl_s16(v_quant_shift), 15);
300 int32x4_t v_zbin_s32 = vmovl_s16(v_zbin);
301 uint16x4_t v_mask_lo, v_mask_hi;
302 int16x8_t v_eobmax = vdupq_n_s16(-1);
303 int16x8_t v_eobmin = vdupq_n_s16((int16_t)n_coeffs);
304
305 assert(n_coeffs > 8);
306 // Pre-scan pass
307 const int32x4_t v_zbin_s32x = vdupq_lane_s32(vget_low_s32(v_zbin_s32), 1);
308 const int prescan_add_1 =
309 ROUND_POWER_OF_TWO(dequant_ptr[1] * EOB_FACTOR, 7 + AOM_QM_BITS);
310 const int32x4_t v_zbin_prescan =
311 vaddq_s32(v_zbin_s32x, vdupq_n_s32(prescan_add_1));
312 intptr_t non_zero_count = n_coeffs;
313 intptr_t i = n_coeffs;
314 do {
315 const int32x4_t v_coeff_a = vld1q_s32(coeff_ptr + i - 4);
316 const int32x4_t v_coeff_b = vld1q_s32(coeff_ptr + i - 8);
317 const int32x4_t v_abs_coeff_a = vabsq_s32(v_coeff_a);
318 const int32x4_t v_abs_coeff_b = vabsq_s32(v_coeff_b);
319 const uint32x4_t v_mask_a = vcgeq_s32(v_abs_coeff_a, v_zbin_prescan);
320 const uint32x4_t v_mask_b = vcgeq_s32(v_abs_coeff_b, v_zbin_prescan);
321 // If the coefficient is in the base ZBIN range, then discard.
322 if (sum_abs_coeff(v_mask_a) + sum_abs_coeff(v_mask_b) == 0) {
323 non_zero_count -= 8;
324 } else {
325 break;
326 }
327 i -= 8;
328 } while (i > 0);
329
330 const intptr_t remaining_zcoeffs = n_coeffs - non_zero_count;
331 memset(qcoeff_ptr + non_zero_count, 0,
332 remaining_zcoeffs * sizeof(*qcoeff_ptr));
333 memset(dqcoeff_ptr + non_zero_count, 0,
334 remaining_zcoeffs * sizeof(*dqcoeff_ptr));
335
336 // DC and first 3 AC
337 v_mask_lo =
338 quantize_4(coeff_ptr, qcoeff_ptr, dqcoeff_ptr, v_quant_s32, v_dequant_s32,
339 v_round_s32, v_zbin_s32, v_quant_shift_s32, log_scale);
340
341 // overwrite the DC constants with AC constants
342 v_round_s32 = vdupq_lane_s32(vget_low_s32(v_round_s32), 1);
343 v_quant_s32 = vdupq_lane_s32(vget_low_s32(v_quant_s32), 1);
344 v_dequant_s32 = vdupq_lane_s32(vget_low_s32(v_dequant_s32), 1);
345 v_quant_shift_s32 = vdupq_lane_s32(vget_low_s32(v_quant_shift_s32), 1);
346 v_zbin_s32 = vdupq_lane_s32(vget_low_s32(v_zbin_s32), 1);
347
348 // 4 more AC
349 v_mask_hi = quantize_4(coeff_ptr + 4, qcoeff_ptr + 4, dqcoeff_ptr + 4,
350 v_quant_s32, v_dequant_s32, v_round_s32, v_zbin_s32,
351 v_quant_shift_s32, log_scale);
352
353 get_min_max_lane_eob(iscan, &v_eobmin, &v_eobmax,
354 vcombine_u16(v_mask_lo, v_mask_hi), n_coeffs);
355
356 intptr_t count = non_zero_count - 8;
357 for (; count > 0; count -= 8) {
358 coeff_ptr += 8;
359 qcoeff_ptr += 8;
360 dqcoeff_ptr += 8;
361 iscan += 8;
362 v_mask_lo = quantize_4(coeff_ptr, qcoeff_ptr, dqcoeff_ptr, v_quant_s32,
363 v_dequant_s32, v_round_s32, v_zbin_s32,
364 v_quant_shift_s32, log_scale);
365 v_mask_hi = quantize_4(coeff_ptr + 4, qcoeff_ptr + 4, dqcoeff_ptr + 4,
366 v_quant_s32, v_dequant_s32, v_round_s32, v_zbin_s32,
367 v_quant_shift_s32, log_scale);
368
369 get_min_max_lane_eob(iscan, &v_eobmin, &v_eobmax,
370 vcombine_u16(v_mask_lo, v_mask_hi), n_coeffs);
371 }
372
373 int eob = get_max_eob(v_eobmax);
374
375 #if SKIP_EOB_FACTOR_ADJUST
376 const int first = get_min_eob(v_eobmin);
377 if (eob >= 0 && first == eob) {
378 const int rc = scan[eob];
379 if (qcoeff_ptr[rc] == 1 || qcoeff_ptr[rc] == -1) {
380 const int zbins[2] = { ROUND_POWER_OF_TWO(zbin_ptr[0], log_scale),
381 ROUND_POWER_OF_TWO(zbin_ptr[1], log_scale) };
382 const int nzbins[2] = { zbins[0] * -1, zbins[1] * -1 };
383 const qm_val_t wt = (1 << AOM_QM_BITS);
384 const int coeff = coeff_ptr[rc] * wt;
385 const int factor = EOB_FACTOR + SKIP_EOB_FACTOR_ADJUST;
386 const int prescan_add_val =
387 ROUND_POWER_OF_TWO(dequant_ptr[rc != 0] * factor, 7);
388 if (coeff < (zbins[rc != 0] * (1 << AOM_QM_BITS) + prescan_add_val) &&
389 coeff > (nzbins[rc != 0] * (1 << AOM_QM_BITS) - prescan_add_val)) {
390 qcoeff_ptr[rc] = 0;
391 dqcoeff_ptr[rc] = 0;
392 eob = -1;
393 }
394 }
395 }
396 #endif // SKIP_EOB_FACTOR_ADJUST
397 *eob_ptr = eob + 1;
398 }
399
aom_highbd_quantize_b_adaptive_neon(const tran_low_t * coeff_ptr,intptr_t n_coeffs,const int16_t * zbin_ptr,const int16_t * round_ptr,const int16_t * quant_ptr,const int16_t * quant_shift_ptr,tran_low_t * qcoeff_ptr,tran_low_t * dqcoeff_ptr,const int16_t * dequant_ptr,uint16_t * eob_ptr,const int16_t * scan,const int16_t * iscan)400 void aom_highbd_quantize_b_adaptive_neon(
401 const tran_low_t *coeff_ptr, intptr_t n_coeffs, const int16_t *zbin_ptr,
402 const int16_t *round_ptr, const int16_t *quant_ptr,
403 const int16_t *quant_shift_ptr, tran_low_t *qcoeff_ptr,
404 tran_low_t *dqcoeff_ptr, const int16_t *dequant_ptr, uint16_t *eob_ptr,
405 const int16_t *scan, const int16_t *iscan) {
406 highbd_quantize_b_adaptive_neon(
407 coeff_ptr, n_coeffs, zbin_ptr, round_ptr, quant_ptr, quant_shift_ptr,
408 qcoeff_ptr, dqcoeff_ptr, dequant_ptr, eob_ptr, scan, iscan, 0);
409 }
410
aom_highbd_quantize_b_32x32_adaptive_neon(const tran_low_t * coeff_ptr,intptr_t n_coeffs,const int16_t * zbin_ptr,const int16_t * round_ptr,const int16_t * quant_ptr,const int16_t * quant_shift_ptr,tran_low_t * qcoeff_ptr,tran_low_t * dqcoeff_ptr,const int16_t * dequant_ptr,uint16_t * eob_ptr,const int16_t * scan,const int16_t * iscan)411 void aom_highbd_quantize_b_32x32_adaptive_neon(
412 const tran_low_t *coeff_ptr, intptr_t n_coeffs, const int16_t *zbin_ptr,
413 const int16_t *round_ptr, const int16_t *quant_ptr,
414 const int16_t *quant_shift_ptr, tran_low_t *qcoeff_ptr,
415 tran_low_t *dqcoeff_ptr, const int16_t *dequant_ptr, uint16_t *eob_ptr,
416 const int16_t *scan, const int16_t *iscan) {
417 highbd_quantize_b_adaptive_neon(
418 coeff_ptr, n_coeffs, zbin_ptr, round_ptr, quant_ptr, quant_shift_ptr,
419 qcoeff_ptr, dqcoeff_ptr, dequant_ptr, eob_ptr, scan, iscan, 1);
420 }
421
aom_highbd_quantize_b_64x64_adaptive_neon(const tran_low_t * coeff_ptr,intptr_t n_coeffs,const int16_t * zbin_ptr,const int16_t * round_ptr,const int16_t * quant_ptr,const int16_t * quant_shift_ptr,tran_low_t * qcoeff_ptr,tran_low_t * dqcoeff_ptr,const int16_t * dequant_ptr,uint16_t * eob_ptr,const int16_t * scan,const int16_t * iscan)422 void aom_highbd_quantize_b_64x64_adaptive_neon(
423 const tran_low_t *coeff_ptr, intptr_t n_coeffs, const int16_t *zbin_ptr,
424 const int16_t *round_ptr, const int16_t *quant_ptr,
425 const int16_t *quant_shift_ptr, tran_low_t *qcoeff_ptr,
426 tran_low_t *dqcoeff_ptr, const int16_t *dequant_ptr, uint16_t *eob_ptr,
427 const int16_t *scan, const int16_t *iscan) {
428 highbd_quantize_b_adaptive_neon(
429 coeff_ptr, n_coeffs, zbin_ptr, round_ptr, quant_ptr, quant_shift_ptr,
430 qcoeff_ptr, dqcoeff_ptr, dequant_ptr, eob_ptr, scan, iscan, 2);
431 }
432 #endif // !CONFIG_REALTIME_ONLY
433