/src/opus/silk/x86/NSQ_sse4_1.c
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1 | | /* Copyright (c) 2014-2020, Cisco Systems, INC |
2 | | Written by XiangMingZhu WeiZhou MinPeng YanWang FrancisQuiers |
3 | | |
4 | | Redistribution and use in source and binary forms, with or without |
5 | | modification, are permitted provided that the following conditions |
6 | | are met: |
7 | | |
8 | | - Redistributions of source code must retain the above copyright |
9 | | notice, this list of conditions and the following disclaimer. |
10 | | |
11 | | - Redistributions in binary form must reproduce the above copyright |
12 | | notice, this list of conditions and the following disclaimer in the |
13 | | documentation and/or other materials provided with the distribution. |
14 | | |
15 | | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
16 | | ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
17 | | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
18 | | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER |
19 | | OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
20 | | EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
21 | | PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
22 | | PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
23 | | LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
24 | | NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
25 | | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | | */ |
27 | | |
28 | | #ifdef HAVE_CONFIG_H |
29 | | #include "config.h" |
30 | | #endif |
31 | | |
32 | | #include <xmmintrin.h> |
33 | | #include <emmintrin.h> |
34 | | #include <smmintrin.h> |
35 | | #include "main.h" |
36 | | #include "celt/x86/x86cpu.h" |
37 | | #include "stack_alloc.h" |
38 | | |
39 | | static OPUS_INLINE void silk_nsq_scale_states_sse4_1( |
40 | | const silk_encoder_state *psEncC, /* I Encoder State */ |
41 | | silk_nsq_state *NSQ, /* I/O NSQ state */ |
42 | | const opus_int16 x16[], /* I input */ |
43 | | opus_int32 x_sc_Q10[], /* O input scaled with 1/Gain */ |
44 | | const opus_int16 sLTP[], /* I re-whitened LTP state in Q0 */ |
45 | | opus_int32 sLTP_Q15[], /* O LTP state matching scaled input */ |
46 | | opus_int subfr, /* I subframe number */ |
47 | | const opus_int LTP_scale_Q14, /* I */ |
48 | | const opus_int32 Gains_Q16[ MAX_NB_SUBFR ], /* I */ |
49 | | const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lag */ |
50 | | const opus_int signal_type /* I Signal type */ |
51 | | ); |
52 | | |
53 | | static OPUS_INLINE void silk_noise_shape_quantizer_10_16_sse4_1( |
54 | | silk_nsq_state *NSQ, /* I/O NSQ state */ |
55 | | opus_int signalType, /* I Signal type */ |
56 | | const opus_int32 x_sc_Q10[], /* I */ |
57 | | opus_int8 pulses[], /* O */ |
58 | | opus_int16 xq[], /* O */ |
59 | | opus_int32 sLTP_Q15[], /* I/O LTP state */ |
60 | | const opus_int16 a_Q12[], /* I Short term prediction coefs */ |
61 | | const opus_int16 b_Q14[], /* I Long term prediction coefs */ |
62 | | const opus_int16 AR_shp_Q13[], /* I Noise shaping AR coefs */ |
63 | | opus_int lag, /* I Pitch lag */ |
64 | | opus_int32 HarmShapeFIRPacked_Q14, /* I */ |
65 | | opus_int Tilt_Q14, /* I Spectral tilt */ |
66 | | opus_int32 LF_shp_Q14, /* I */ |
67 | | opus_int32 Gain_Q16, /* I */ |
68 | | opus_int Lambda_Q10, /* I */ |
69 | | opus_int offset_Q10, /* I */ |
70 | | opus_int length, /* I Input length */ |
71 | | opus_int32 table[][4] /* I */ |
72 | | ); |
73 | | |
74 | | void silk_NSQ_sse4_1( |
75 | | const silk_encoder_state *psEncC, /* I Encoder State */ |
76 | | silk_nsq_state *NSQ, /* I/O NSQ state */ |
77 | | SideInfoIndices *psIndices, /* I/O Quantization Indices */ |
78 | | const opus_int16 x16[], /* I Input */ |
79 | | opus_int8 pulses[], /* O Quantized pulse signal */ |
80 | | const opus_int16 *PredCoef_Q12, /* I Short term prediction coefs */ |
81 | | const opus_int16 LTPCoef_Q14[ LTP_ORDER * MAX_NB_SUBFR ], /* I Long term prediction coefs */ |
82 | | const opus_int16 AR_Q13[ MAX_NB_SUBFR * MAX_SHAPE_LPC_ORDER ], /* I Noise shaping coefs */ |
83 | | const opus_int HarmShapeGain_Q14[ MAX_NB_SUBFR ], /* I Long term shaping coefs */ |
84 | | const opus_int Tilt_Q14[ MAX_NB_SUBFR ], /* I Spectral tilt */ |
85 | | const opus_int32 LF_shp_Q14[ MAX_NB_SUBFR ], /* I Low frequency shaping coefs */ |
86 | | const opus_int32 Gains_Q16[ MAX_NB_SUBFR ], /* I Quantization step sizes */ |
87 | | const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lags */ |
88 | | const opus_int Lambda_Q10, /* I Rate/distortion tradeoff */ |
89 | | const opus_int LTP_scale_Q14 /* I LTP state scaling */ |
90 | | ) |
91 | 0 | { |
92 | 0 | opus_int k, lag, start_idx, LSF_interpolation_flag; |
93 | 0 | const opus_int16 *A_Q12, *B_Q14, *AR_shp_Q13; |
94 | 0 | opus_int16 *pxq; |
95 | 0 | VARDECL( opus_int32, sLTP_Q15 ); |
96 | 0 | VARDECL( opus_int16, sLTP ); |
97 | 0 | opus_int32 HarmShapeFIRPacked_Q14; |
98 | 0 | opus_int offset_Q10; |
99 | 0 | VARDECL( opus_int32, x_sc_Q10 ); |
100 | |
|
101 | 0 | opus_int32 table[ 64 ][ 4 ]; |
102 | 0 | opus_int32 tmp1; |
103 | 0 | opus_int32 q1_Q10, q2_Q10, rd1_Q20, rd2_Q20; |
104 | |
|
105 | | #ifdef OPUS_CHECK_ASM |
106 | | silk_nsq_state NSQ_c; |
107 | | SideInfoIndices psIndices_c; |
108 | | opus_int8 pulses_c[ MAX_FRAME_LENGTH ]; |
109 | | const opus_int8 *const pulses_a = pulses; |
110 | | #endif |
111 | |
|
112 | 0 | SAVE_STACK; |
113 | |
|
114 | | #ifdef OPUS_CHECK_ASM |
115 | | ( void )pulses_a; |
116 | | silk_memcpy( &NSQ_c, NSQ, sizeof( NSQ_c ) ); |
117 | | silk_memcpy( &psIndices_c, psIndices, sizeof( psIndices_c ) ); |
118 | | silk_assert( psEncC->nb_subfr * psEncC->subfr_length <= MAX_FRAME_LENGTH ); |
119 | | silk_memcpy( pulses_c, pulses, psEncC->nb_subfr * psEncC->subfr_length * sizeof( pulses[0] ) ); |
120 | | |
121 | | silk_NSQ_c( |
122 | | psEncC, |
123 | | &NSQ_c, |
124 | | &psIndices_c, |
125 | | x16, |
126 | | pulses_c, |
127 | | PredCoef_Q12, |
128 | | LTPCoef_Q14, |
129 | | AR_Q13, |
130 | | HarmShapeGain_Q14, |
131 | | Tilt_Q14, |
132 | | LF_shp_Q14, |
133 | | Gains_Q16, |
134 | | pitchL, |
135 | | Lambda_Q10, |
136 | | LTP_scale_Q14 |
137 | | ); |
138 | | #endif |
139 | |
|
140 | 0 | NSQ->rand_seed = psIndices->Seed; |
141 | | |
142 | | /* Set unvoiced lag to the previous one, overwrite later for voiced */ |
143 | 0 | lag = NSQ->lagPrev; |
144 | |
|
145 | 0 | silk_assert( NSQ->prev_gain_Q16 != 0 ); |
146 | |
|
147 | 0 | offset_Q10 = silk_Quantization_Offsets_Q10[ psIndices->signalType >> 1 ][ psIndices->quantOffsetType ]; |
148 | | |
149 | | /* 0 */ |
150 | 0 | q1_Q10 = offset_Q10; |
151 | 0 | q2_Q10 = offset_Q10 + ( 1024 - QUANT_LEVEL_ADJUST_Q10 ); |
152 | 0 | rd1_Q20 = q1_Q10 * Lambda_Q10; |
153 | 0 | rd2_Q20 = q2_Q10 * Lambda_Q10; |
154 | |
|
155 | 0 | table[ 32 ][ 0 ] = q1_Q10; |
156 | 0 | table[ 32 ][ 1 ] = q2_Q10; |
157 | 0 | table[ 32 ][ 2 ] = 2 * (q1_Q10 - q2_Q10); |
158 | 0 | table[ 32 ][ 3 ] = (rd1_Q20 - rd2_Q20) + (q1_Q10 * q1_Q10 - q2_Q10 * q2_Q10); |
159 | | |
160 | | /* -1 */ |
161 | 0 | q1_Q10 = offset_Q10 - ( 1024 - QUANT_LEVEL_ADJUST_Q10 ); |
162 | 0 | q2_Q10 = offset_Q10; |
163 | 0 | rd1_Q20 = - q1_Q10 * Lambda_Q10; |
164 | 0 | rd2_Q20 = q2_Q10 * Lambda_Q10; |
165 | |
|
166 | 0 | table[ 31 ][ 0 ] = q1_Q10; |
167 | 0 | table[ 31 ][ 1 ] = q2_Q10; |
168 | 0 | table[ 31 ][ 2 ] = 2 * (q1_Q10 - q2_Q10); |
169 | 0 | table[ 31 ][ 3 ] = (rd1_Q20 - rd2_Q20) + (q1_Q10 * q1_Q10 - q2_Q10 * q2_Q10); |
170 | | |
171 | | /* > 0 */ |
172 | 0 | for (k = 1; k <= 31; k++) |
173 | 0 | { |
174 | 0 | tmp1 = offset_Q10 + silk_LSHIFT( k, 10 ); |
175 | |
|
176 | 0 | q1_Q10 = tmp1 - QUANT_LEVEL_ADJUST_Q10; |
177 | 0 | q2_Q10 = tmp1 - QUANT_LEVEL_ADJUST_Q10 + 1024; |
178 | 0 | rd1_Q20 = q1_Q10 * Lambda_Q10; |
179 | 0 | rd2_Q20 = q2_Q10 * Lambda_Q10; |
180 | |
|
181 | 0 | table[ 32 + k ][ 0 ] = q1_Q10; |
182 | 0 | table[ 32 + k ][ 1 ] = q2_Q10; |
183 | 0 | table[ 32 + k ][ 2 ] = 2 * (q1_Q10 - q2_Q10); |
184 | 0 | table[ 32 + k ][ 3 ] = (rd1_Q20 - rd2_Q20) + (q1_Q10 * q1_Q10 - q2_Q10 * q2_Q10); |
185 | 0 | } |
186 | | |
187 | | /* < -1 */ |
188 | 0 | for (k = -32; k <= -2; k++) |
189 | 0 | { |
190 | 0 | tmp1 = offset_Q10 + silk_LSHIFT( k, 10 ); |
191 | |
|
192 | 0 | q1_Q10 = tmp1 + QUANT_LEVEL_ADJUST_Q10; |
193 | 0 | q2_Q10 = tmp1 + QUANT_LEVEL_ADJUST_Q10 + 1024; |
194 | 0 | rd1_Q20 = - q1_Q10 * Lambda_Q10; |
195 | 0 | rd2_Q20 = - q2_Q10 * Lambda_Q10; |
196 | |
|
197 | 0 | table[ 32 + k ][ 0 ] = q1_Q10; |
198 | 0 | table[ 32 + k ][ 1 ] = q2_Q10; |
199 | 0 | table[ 32 + k ][ 2 ] = 2 * (q1_Q10 - q2_Q10); |
200 | 0 | table[ 32 + k ][ 3 ] = (rd1_Q20 - rd2_Q20) + (q1_Q10 * q1_Q10 - q2_Q10 * q2_Q10); |
201 | 0 | } |
202 | |
|
203 | 0 | if( psIndices->NLSFInterpCoef_Q2 == 4 ) { |
204 | 0 | LSF_interpolation_flag = 0; |
205 | 0 | } else { |
206 | 0 | LSF_interpolation_flag = 1; |
207 | 0 | } |
208 | |
|
209 | 0 | ALLOC( sLTP_Q15, psEncC->ltp_mem_length + psEncC->frame_length, opus_int32 ); |
210 | 0 | ALLOC( sLTP, psEncC->ltp_mem_length + psEncC->frame_length, opus_int16 ); |
211 | 0 | ALLOC( x_sc_Q10, psEncC->subfr_length, opus_int32 ); |
212 | | /* Set up pointers to start of sub frame */ |
213 | 0 | NSQ->sLTP_shp_buf_idx = psEncC->ltp_mem_length; |
214 | 0 | NSQ->sLTP_buf_idx = psEncC->ltp_mem_length; |
215 | 0 | pxq = &NSQ->xq[ psEncC->ltp_mem_length ]; |
216 | 0 | for( k = 0; k < psEncC->nb_subfr; k++ ) { |
217 | 0 | A_Q12 = &PredCoef_Q12[ (( k >> 1 ) | ( 1 - LSF_interpolation_flag )) * MAX_LPC_ORDER ]; |
218 | 0 | B_Q14 = <PCoef_Q14[ k * LTP_ORDER ]; |
219 | 0 | AR_shp_Q13 = &AR_Q13[ k * MAX_SHAPE_LPC_ORDER ]; |
220 | | |
221 | | /* Noise shape parameters */ |
222 | 0 | silk_assert( HarmShapeGain_Q14[ k ] >= 0 ); |
223 | 0 | HarmShapeFIRPacked_Q14 = silk_RSHIFT( HarmShapeGain_Q14[ k ], 2 ); |
224 | 0 | HarmShapeFIRPacked_Q14 |= silk_LSHIFT( (opus_int32)silk_RSHIFT( HarmShapeGain_Q14[ k ], 1 ), 16 ); |
225 | |
|
226 | 0 | NSQ->rewhite_flag = 0; |
227 | 0 | if( psIndices->signalType == TYPE_VOICED ) { |
228 | | /* Voiced */ |
229 | 0 | lag = pitchL[ k ]; |
230 | | |
231 | | /* Re-whitening */ |
232 | 0 | if( ( k & ( 3 - silk_LSHIFT( LSF_interpolation_flag, 1 ) ) ) == 0 ) { |
233 | | /* Rewhiten with new A coefs */ |
234 | 0 | start_idx = psEncC->ltp_mem_length - lag - psEncC->predictLPCOrder - LTP_ORDER / 2; |
235 | 0 | celt_assert( start_idx > 0 ); |
236 | |
|
237 | 0 | silk_LPC_analysis_filter( &sLTP[ start_idx ], &NSQ->xq[ start_idx + k * psEncC->subfr_length ], |
238 | 0 | A_Q12, psEncC->ltp_mem_length - start_idx, psEncC->predictLPCOrder, psEncC->arch ); |
239 | |
|
240 | 0 | NSQ->rewhite_flag = 1; |
241 | 0 | NSQ->sLTP_buf_idx = psEncC->ltp_mem_length; |
242 | 0 | } |
243 | 0 | } |
244 | | |
245 | 0 | silk_nsq_scale_states_sse4_1( psEncC, NSQ, x16, x_sc_Q10, sLTP, sLTP_Q15, k, LTP_scale_Q14, Gains_Q16, pitchL, psIndices->signalType ); |
246 | |
|
247 | 0 | if ( opus_likely( ( 10 == psEncC->shapingLPCOrder ) && ( 16 == psEncC->predictLPCOrder) ) ) |
248 | 0 | { |
249 | 0 | silk_noise_shape_quantizer_10_16_sse4_1( NSQ, psIndices->signalType, x_sc_Q10, pulses, pxq, sLTP_Q15, A_Q12, B_Q14, |
250 | 0 | AR_shp_Q13, lag, HarmShapeFIRPacked_Q14, Tilt_Q14[ k ], LF_shp_Q14[ k ], Gains_Q16[ k ], Lambda_Q10, |
251 | 0 | offset_Q10, psEncC->subfr_length, &(table[32]) ); |
252 | 0 | } |
253 | 0 | else |
254 | 0 | { |
255 | 0 | silk_noise_shape_quantizer( NSQ, psIndices->signalType, x_sc_Q10, pulses, pxq, sLTP_Q15, A_Q12, B_Q14, |
256 | 0 | AR_shp_Q13, lag, HarmShapeFIRPacked_Q14, Tilt_Q14[ k ], LF_shp_Q14[ k ], Gains_Q16[ k ], Lambda_Q10, |
257 | 0 | offset_Q10, psEncC->subfr_length, psEncC->shapingLPCOrder, psEncC->predictLPCOrder, psEncC->arch ); |
258 | 0 | } |
259 | |
|
260 | 0 | x16 += psEncC->subfr_length; |
261 | 0 | pulses += psEncC->subfr_length; |
262 | 0 | pxq += psEncC->subfr_length; |
263 | 0 | } |
264 | | |
265 | | /* Update lagPrev for next frame */ |
266 | 0 | NSQ->lagPrev = pitchL[ psEncC->nb_subfr - 1 ]; |
267 | | |
268 | | /* Save quantized speech and noise shaping signals */ |
269 | 0 | silk_memmove( NSQ->xq, &NSQ->xq[ psEncC->frame_length ], psEncC->ltp_mem_length * sizeof( opus_int16 ) ); |
270 | 0 | silk_memmove( NSQ->sLTP_shp_Q14, &NSQ->sLTP_shp_Q14[ psEncC->frame_length ], psEncC->ltp_mem_length * sizeof( opus_int32 ) ); |
271 | |
|
272 | | #ifdef OPUS_CHECK_ASM |
273 | | silk_assert( !memcmp( &NSQ_c, NSQ, sizeof( NSQ_c ) ) ); |
274 | | silk_assert( !memcmp( &psIndices_c, psIndices, sizeof( psIndices_c ) ) ); |
275 | | silk_assert( !memcmp( pulses_c, pulses_a, psEncC->nb_subfr * psEncC->subfr_length * sizeof( pulses[0] ) ) ); |
276 | | #endif |
277 | |
|
278 | 0 | RESTORE_STACK; |
279 | 0 | } |
280 | | |
281 | | /************************************/ |
282 | | /* silk_noise_shape_quantizer_10_16 */ |
283 | | /************************************/ |
284 | | static OPUS_INLINE void silk_noise_shape_quantizer_10_16_sse4_1( |
285 | | silk_nsq_state *NSQ, /* I/O NSQ state */ |
286 | | opus_int signalType, /* I Signal type */ |
287 | | const opus_int32 x_sc_Q10[], /* I */ |
288 | | opus_int8 pulses[], /* O */ |
289 | | opus_int16 xq[], /* O */ |
290 | | opus_int32 sLTP_Q15[], /* I/O LTP state */ |
291 | | const opus_int16 a_Q12[], /* I Short term prediction coefs */ |
292 | | const opus_int16 b_Q14[], /* I Long term prediction coefs */ |
293 | | const opus_int16 AR_shp_Q13[], /* I Noise shaping AR coefs */ |
294 | | opus_int lag, /* I Pitch lag */ |
295 | | opus_int32 HarmShapeFIRPacked_Q14, /* I */ |
296 | | opus_int Tilt_Q14, /* I Spectral tilt */ |
297 | | opus_int32 LF_shp_Q14, /* I */ |
298 | | opus_int32 Gain_Q16, /* I */ |
299 | | opus_int Lambda_Q10, /* I */ |
300 | | opus_int offset_Q10, /* I */ |
301 | | opus_int length, /* I Input length */ |
302 | | opus_int32 table[][4] /* I */ |
303 | | ) |
304 | 0 | { |
305 | 0 | opus_int i; |
306 | 0 | opus_int32 LTP_pred_Q13, LPC_pred_Q10, n_AR_Q12, n_LTP_Q13; |
307 | 0 | opus_int32 n_LF_Q12, r_Q10, q1_Q0, q1_Q10, q2_Q10; |
308 | 0 | opus_int32 exc_Q14, LPC_exc_Q14, xq_Q14, Gain_Q10, sDiff_shp_Q14; |
309 | 0 | opus_int32 tmp1, tmp2, sLF_AR_shp_Q14; |
310 | 0 | opus_int32 *psLPC_Q14, *shp_lag_ptr, *pred_lag_ptr; |
311 | |
|
312 | 0 | __m128i xmm_tempa, xmm_tempb; |
313 | |
|
314 | 0 | __m128i xmm_one; |
315 | |
|
316 | 0 | __m128i psLPC_Q14_hi_01234567, psLPC_Q14_hi_89ABCDEF; |
317 | 0 | __m128i psLPC_Q14_lo_01234567, psLPC_Q14_lo_89ABCDEF; |
318 | 0 | __m128i a_Q12_01234567, a_Q12_89ABCDEF; |
319 | |
|
320 | 0 | __m128i sAR2_Q14_hi_76543210, sAR2_Q14_lo_76543210; |
321 | 0 | __m128i AR_shp_Q13_76543210; |
322 | |
|
323 | 0 | int rdo_offset = (Lambda_Q10 >> 1) - 512; |
324 | |
|
325 | 0 | shp_lag_ptr = &NSQ->sLTP_shp_Q14[ NSQ->sLTP_shp_buf_idx - lag + HARM_SHAPE_FIR_TAPS / 2 ]; |
326 | 0 | pred_lag_ptr = &sLTP_Q15[ NSQ->sLTP_buf_idx - lag + LTP_ORDER / 2 ]; |
327 | 0 | Gain_Q10 = silk_RSHIFT( Gain_Q16, 6 ); |
328 | | |
329 | | /* Set up short term AR state */ |
330 | 0 | psLPC_Q14 = &NSQ->sLPC_Q14[ NSQ_LPC_BUF_LENGTH - 1 ]; |
331 | |
|
332 | 0 | sLF_AR_shp_Q14 = NSQ->sLF_AR_shp_Q14; |
333 | 0 | xq_Q14 = psLPC_Q14[ 0 ]; |
334 | 0 | sDiff_shp_Q14 = NSQ->sDiff_shp_Q14; |
335 | 0 | LTP_pred_Q13 = 0; |
336 | | |
337 | | /* load a_Q12 */ |
338 | 0 | xmm_one = _mm_set_epi8( 1, 0, 3, 2, 5, 4, 7, 6, 9, 8, 11, 10, 13, 12, 15, 14 ); |
339 | | |
340 | | /* load a_Q12[0] - a_Q12[7] */ |
341 | 0 | a_Q12_01234567 = _mm_loadu_si128( (__m128i *)(void*)(&a_Q12[ 0 ] ) ); |
342 | | /* load a_Q12[ 8 ] - a_Q12[ 15 ] */ |
343 | 0 | a_Q12_89ABCDEF = _mm_loadu_si128( (__m128i *)(void*)(&a_Q12[ 8 ] ) ); |
344 | |
|
345 | 0 | a_Q12_01234567 = _mm_shuffle_epi8( a_Q12_01234567, xmm_one ); |
346 | 0 | a_Q12_89ABCDEF = _mm_shuffle_epi8( a_Q12_89ABCDEF, xmm_one ); |
347 | | |
348 | | /* load AR_shp_Q13 */ |
349 | 0 | AR_shp_Q13_76543210 = _mm_loadu_si128( (__m128i *)(void*)(&AR_shp_Q13[0] ) ); |
350 | | |
351 | | /* load psLPC_Q14 */ |
352 | 0 | xmm_one = _mm_set_epi8(15, 14, 11, 10, 7, 6, 3, 2, 13, 12, 9, 8, 5, 4, 1, 0 ); |
353 | |
|
354 | 0 | xmm_tempa = _mm_loadu_si128( (__m128i *)(void*)(&psLPC_Q14[-16]) ); |
355 | 0 | xmm_tempb = _mm_loadu_si128( (__m128i *)(void*)(&psLPC_Q14[-12]) ); |
356 | |
|
357 | 0 | xmm_tempa = _mm_shuffle_epi8( xmm_tempa, xmm_one ); |
358 | 0 | xmm_tempb = _mm_shuffle_epi8( xmm_tempb, xmm_one ); |
359 | |
|
360 | 0 | psLPC_Q14_hi_89ABCDEF = _mm_unpackhi_epi64( xmm_tempa, xmm_tempb ); |
361 | 0 | psLPC_Q14_lo_89ABCDEF = _mm_unpacklo_epi64( xmm_tempa, xmm_tempb ); |
362 | |
|
363 | 0 | xmm_tempa = _mm_loadu_si128( (__m128i *)(void*)(&psLPC_Q14[ -8 ]) ); |
364 | 0 | xmm_tempb = _mm_loadu_si128( (__m128i *)(void*)(&psLPC_Q14[ -4 ]) ); |
365 | |
|
366 | 0 | xmm_tempa = _mm_shuffle_epi8( xmm_tempa, xmm_one ); |
367 | 0 | xmm_tempb = _mm_shuffle_epi8( xmm_tempb, xmm_one ); |
368 | |
|
369 | 0 | psLPC_Q14_hi_01234567 = _mm_unpackhi_epi64( xmm_tempa, xmm_tempb ); |
370 | 0 | psLPC_Q14_lo_01234567 = _mm_unpacklo_epi64( xmm_tempa, xmm_tempb ); |
371 | | |
372 | | /* load sAR2_Q14 */ |
373 | 0 | xmm_tempa = _mm_loadu_si128( (__m128i *)(void*)(&(NSQ->sAR2_Q14[ 0 ]) ) ); |
374 | 0 | xmm_tempb = _mm_loadu_si128( (__m128i *)(void*)(&(NSQ->sAR2_Q14[ 4 ]) ) ); |
375 | |
|
376 | 0 | xmm_tempa = _mm_shuffle_epi8( xmm_tempa, xmm_one ); |
377 | 0 | xmm_tempb = _mm_shuffle_epi8( xmm_tempb, xmm_one ); |
378 | |
|
379 | 0 | sAR2_Q14_hi_76543210 = _mm_unpackhi_epi64( xmm_tempa, xmm_tempb ); |
380 | 0 | sAR2_Q14_lo_76543210 = _mm_unpacklo_epi64( xmm_tempa, xmm_tempb ); |
381 | | |
382 | | /* prepare 1 in 8 * 16bit */ |
383 | 0 | xmm_one = _mm_set1_epi16(1); |
384 | |
|
385 | 0 | for( i = 0; i < length; i++ ) |
386 | 0 | { |
387 | | /* Short-term prediction */ |
388 | 0 | __m128i xmm_hi_07, xmm_hi_8F, xmm_lo_07, xmm_lo_8F; |
389 | | |
390 | | /* Avoids introducing a bias because silk_SMLAWB() always rounds to -inf */ |
391 | 0 | LPC_pred_Q10 = 8; /* silk_RSHIFT( predictLPCOrder, 1 ); */ |
392 | | |
393 | | /* shift psLPC_Q14 */ |
394 | 0 | psLPC_Q14_hi_89ABCDEF = _mm_alignr_epi8( psLPC_Q14_hi_01234567, psLPC_Q14_hi_89ABCDEF, 2 ); |
395 | 0 | psLPC_Q14_lo_89ABCDEF = _mm_alignr_epi8( psLPC_Q14_lo_01234567, psLPC_Q14_lo_89ABCDEF, 2 ); |
396 | |
|
397 | 0 | psLPC_Q14_hi_01234567 = _mm_srli_si128( psLPC_Q14_hi_01234567, 2 ); |
398 | 0 | psLPC_Q14_lo_01234567 = _mm_srli_si128( psLPC_Q14_lo_01234567, 2 ); |
399 | |
|
400 | 0 | psLPC_Q14_hi_01234567 = _mm_insert_epi16( psLPC_Q14_hi_01234567, (xq_Q14 >> 16), 7 ); |
401 | 0 | psLPC_Q14_lo_01234567 = _mm_insert_epi16( psLPC_Q14_lo_01234567, (xq_Q14), 7 ); |
402 | | |
403 | | /* high part, use pmaddwd, results in 4 32-bit */ |
404 | 0 | xmm_hi_07 = _mm_madd_epi16( psLPC_Q14_hi_01234567, a_Q12_01234567 ); |
405 | 0 | xmm_hi_8F = _mm_madd_epi16( psLPC_Q14_hi_89ABCDEF, a_Q12_89ABCDEF ); |
406 | | |
407 | | /* low part, use pmulhw, results in 8 16-bit, note we need simulate unsigned * signed, _mm_srai_epi16(psLPC_Q14_lo_01234567, 15) */ |
408 | 0 | xmm_tempa = _mm_cmpgt_epi16( _mm_setzero_si128(), psLPC_Q14_lo_01234567 ); |
409 | 0 | xmm_tempb = _mm_cmpgt_epi16( _mm_setzero_si128(), psLPC_Q14_lo_89ABCDEF ); |
410 | |
|
411 | 0 | xmm_tempa = _mm_and_si128( xmm_tempa, a_Q12_01234567 ); |
412 | 0 | xmm_tempb = _mm_and_si128( xmm_tempb, a_Q12_89ABCDEF ); |
413 | |
|
414 | 0 | xmm_lo_07 = _mm_mulhi_epi16( psLPC_Q14_lo_01234567, a_Q12_01234567 ); |
415 | 0 | xmm_lo_8F = _mm_mulhi_epi16( psLPC_Q14_lo_89ABCDEF, a_Q12_89ABCDEF ); |
416 | |
|
417 | 0 | xmm_lo_07 = _mm_add_epi16( xmm_lo_07, xmm_tempa ); |
418 | 0 | xmm_lo_8F = _mm_add_epi16( xmm_lo_8F, xmm_tempb ); |
419 | |
|
420 | 0 | xmm_lo_07 = _mm_madd_epi16( xmm_lo_07, xmm_one ); |
421 | 0 | xmm_lo_8F = _mm_madd_epi16( xmm_lo_8F, xmm_one ); |
422 | | |
423 | | /* accumulate */ |
424 | 0 | xmm_hi_07 = _mm_add_epi32( xmm_hi_07, xmm_hi_8F ); |
425 | 0 | xmm_lo_07 = _mm_add_epi32( xmm_lo_07, xmm_lo_8F ); |
426 | |
|
427 | 0 | xmm_hi_07 = _mm_add_epi32( xmm_hi_07, xmm_lo_07 ); |
428 | |
|
429 | 0 | xmm_hi_07 = _mm_add_epi32( xmm_hi_07, _mm_unpackhi_epi64(xmm_hi_07, xmm_hi_07 ) ); |
430 | 0 | xmm_hi_07 = _mm_add_epi32( xmm_hi_07, _mm_shufflelo_epi16(xmm_hi_07, 0x0E ) ); |
431 | |
|
432 | 0 | LPC_pred_Q10 += _mm_cvtsi128_si32( xmm_hi_07 ); |
433 | | |
434 | | /* Long-term prediction */ |
435 | 0 | if ( opus_likely( signalType == TYPE_VOICED ) ) { |
436 | | /* Unrolled loop */ |
437 | | /* Avoids introducing a bias because silk_SMLAWB() always rounds to -inf */ |
438 | 0 | LTP_pred_Q13 = 2; |
439 | 0 | { |
440 | 0 | __m128i b_Q14_3210, b_Q14_0123, pred_lag_ptr_0123; |
441 | |
|
442 | 0 | b_Q14_3210 = OP_CVTEPI16_EPI32_M64( b_Q14 ); |
443 | 0 | b_Q14_0123 = _mm_shuffle_epi32( b_Q14_3210, 0x1B ); |
444 | | |
445 | | /* loaded: [0] [-1] [-2] [-3] */ |
446 | 0 | pred_lag_ptr_0123 = _mm_loadu_si128( (__m128i *)(void*)(&pred_lag_ptr[ -3 ] ) ); |
447 | | /* shuffle to [-3] [-2] [-1] [0] and to new xmm */ |
448 | 0 | xmm_tempa = _mm_shuffle_epi32( pred_lag_ptr_0123, 0x1B ); |
449 | | /*64-bit multiply, a[2] * b[-2], a[0] * b[0] */ |
450 | 0 | xmm_tempa = _mm_mul_epi32( xmm_tempa, b_Q14_3210 ); |
451 | | /* right shift 2 bytes (16 bits), zero extended */ |
452 | 0 | xmm_tempa = _mm_srli_si128( xmm_tempa, 2 ); |
453 | | |
454 | | /* a[1] * b[-1], a[3] * b[-3] */ |
455 | 0 | pred_lag_ptr_0123 = _mm_mul_epi32( pred_lag_ptr_0123, b_Q14_0123 ); |
456 | 0 | pred_lag_ptr_0123 = _mm_srli_si128( pred_lag_ptr_0123, 2 ); |
457 | |
|
458 | 0 | pred_lag_ptr_0123 = _mm_add_epi32( pred_lag_ptr_0123, xmm_tempa ); |
459 | | /* equal shift right 8 bytes*/ |
460 | 0 | xmm_tempa = _mm_shuffle_epi32( pred_lag_ptr_0123, _MM_SHUFFLE( 0, 0, 3, 2 ) ); |
461 | 0 | xmm_tempa = _mm_add_epi32( xmm_tempa, pred_lag_ptr_0123 ); |
462 | |
|
463 | 0 | LTP_pred_Q13 += _mm_cvtsi128_si32( xmm_tempa ); |
464 | |
|
465 | 0 | LTP_pred_Q13 = silk_SMLAWB( LTP_pred_Q13, pred_lag_ptr[ -4 ], b_Q14[ 4 ] ); |
466 | 0 | pred_lag_ptr++; |
467 | 0 | } |
468 | 0 | } |
469 | | |
470 | | /* Noise shape feedback */ |
471 | 0 | NSQ->sAR2_Q14[ 9 ] = NSQ->sAR2_Q14[ 8 ]; |
472 | 0 | NSQ->sAR2_Q14[ 8 ] = _mm_cvtsi128_si32( _mm_srli_si128(_mm_unpackhi_epi16( sAR2_Q14_lo_76543210, sAR2_Q14_hi_76543210 ), 12 ) ); |
473 | |
|
474 | 0 | sAR2_Q14_hi_76543210 = _mm_slli_si128( sAR2_Q14_hi_76543210, 2 ); |
475 | 0 | sAR2_Q14_lo_76543210 = _mm_slli_si128( sAR2_Q14_lo_76543210, 2 ); |
476 | |
|
477 | 0 | sAR2_Q14_hi_76543210 = _mm_insert_epi16( sAR2_Q14_hi_76543210, (sDiff_shp_Q14 >> 16), 0 ); |
478 | 0 | sAR2_Q14_lo_76543210 = _mm_insert_epi16( sAR2_Q14_lo_76543210, (sDiff_shp_Q14), 0 ); |
479 | | |
480 | | /* high part, use pmaddwd, results in 4 32-bit */ |
481 | 0 | xmm_hi_07 = _mm_madd_epi16( sAR2_Q14_hi_76543210, AR_shp_Q13_76543210 ); |
482 | | |
483 | | /* low part, use pmulhw, results in 8 16-bit, note we need simulate unsigned * signed,_mm_srai_epi16(sAR2_Q14_lo_76543210, 15) */ |
484 | 0 | xmm_tempa = _mm_cmpgt_epi16( _mm_setzero_si128(), sAR2_Q14_lo_76543210 ); |
485 | 0 | xmm_tempa = _mm_and_si128( xmm_tempa, AR_shp_Q13_76543210 ); |
486 | |
|
487 | 0 | xmm_lo_07 = _mm_mulhi_epi16( sAR2_Q14_lo_76543210, AR_shp_Q13_76543210 ); |
488 | 0 | xmm_lo_07 = _mm_add_epi16( xmm_lo_07, xmm_tempa ); |
489 | |
|
490 | 0 | xmm_lo_07 = _mm_madd_epi16( xmm_lo_07, xmm_one ); |
491 | | |
492 | | /* accumulate */ |
493 | 0 | xmm_hi_07 = _mm_add_epi32( xmm_hi_07, xmm_lo_07 ); |
494 | |
|
495 | 0 | xmm_hi_07 = _mm_add_epi32( xmm_hi_07, _mm_unpackhi_epi64(xmm_hi_07, xmm_hi_07 ) ); |
496 | 0 | xmm_hi_07 = _mm_add_epi32( xmm_hi_07, _mm_shufflelo_epi16(xmm_hi_07, 0x0E ) ); |
497 | |
|
498 | 0 | n_AR_Q12 = 5 + _mm_cvtsi128_si32( xmm_hi_07 ); |
499 | |
|
500 | 0 | n_AR_Q12 = silk_SMLAWB( n_AR_Q12, NSQ->sAR2_Q14[ 8 ], AR_shp_Q13[ 8 ] ); |
501 | 0 | n_AR_Q12 = silk_SMLAWB( n_AR_Q12, NSQ->sAR2_Q14[ 9 ], AR_shp_Q13[ 9 ] ); |
502 | |
|
503 | 0 | n_AR_Q12 = silk_LSHIFT32( n_AR_Q12, 1 ); /* Q11 -> Q12 */ |
504 | 0 | n_AR_Q12 = silk_SMLAWB( n_AR_Q12, sLF_AR_shp_Q14, Tilt_Q14 ); |
505 | |
|
506 | 0 | n_LF_Q12 = silk_SMULWB( NSQ->sLTP_shp_Q14[ NSQ->sLTP_shp_buf_idx - 1 ], LF_shp_Q14 ); |
507 | 0 | n_LF_Q12 = silk_SMLAWT( n_LF_Q12, sLF_AR_shp_Q14, LF_shp_Q14 ); |
508 | |
|
509 | 0 | celt_assert( lag > 0 || signalType != TYPE_VOICED ); |
510 | | |
511 | | /* Combine prediction and noise shaping signals */ |
512 | 0 | tmp1 = silk_SUB32( silk_LSHIFT32( LPC_pred_Q10, 2 ), n_AR_Q12 ); /* Q12 */ |
513 | 0 | tmp1 = silk_SUB32( tmp1, n_LF_Q12 ); /* Q12 */ |
514 | 0 | if( lag > 0 ) { |
515 | | /* Symmetric, packed FIR coefficients */ |
516 | 0 | n_LTP_Q13 = silk_SMULWB( silk_ADD_SAT32( shp_lag_ptr[ 0 ], shp_lag_ptr[ -2 ] ), HarmShapeFIRPacked_Q14 ); |
517 | 0 | n_LTP_Q13 = silk_SMLAWT( n_LTP_Q13, shp_lag_ptr[ -1 ], HarmShapeFIRPacked_Q14 ); |
518 | 0 | n_LTP_Q13 = silk_LSHIFT( n_LTP_Q13, 1 ); |
519 | 0 | shp_lag_ptr++; |
520 | |
|
521 | 0 | tmp2 = silk_SUB32( LTP_pred_Q13, n_LTP_Q13 ); /* Q13 */ |
522 | 0 | tmp1 = silk_ADD_LSHIFT32( tmp2, tmp1, 1 ); /* Q13 */ |
523 | 0 | tmp1 = silk_RSHIFT_ROUND( tmp1, 3 ); /* Q10 */ |
524 | 0 | } else { |
525 | 0 | tmp1 = silk_RSHIFT_ROUND( tmp1, 2 ); /* Q10 */ |
526 | 0 | } |
527 | |
|
528 | 0 | r_Q10 = silk_SUB32( x_sc_Q10[ i ], tmp1 ); /* residual error Q10 */ |
529 | | |
530 | | /* Generate dither */ |
531 | 0 | NSQ->rand_seed = silk_RAND( NSQ->rand_seed ); |
532 | | |
533 | | /* Flip sign depending on dither */ |
534 | 0 | tmp2 = -r_Q10; |
535 | 0 | if ( NSQ->rand_seed < 0 ) r_Q10 = tmp2; |
536 | |
|
537 | 0 | r_Q10 = silk_LIMIT_32( r_Q10, -(31 << 10), 30 << 10 ); |
538 | | |
539 | | /* Find two quantization level candidates and measure their rate-distortion */ |
540 | 0 | q1_Q10 = silk_SUB32( r_Q10, offset_Q10 ); |
541 | 0 | q1_Q0 = silk_RSHIFT( q1_Q10, 10 ); |
542 | 0 | if (Lambda_Q10 > 2048) { |
543 | | /* For aggressive RDO, the bias becomes more than one pulse. */ |
544 | 0 | if (q1_Q10 > rdo_offset) { |
545 | 0 | q1_Q0 = silk_RSHIFT( q1_Q10 - rdo_offset, 10 ); |
546 | 0 | } else if (q1_Q10 < -rdo_offset) { |
547 | 0 | q1_Q0 = silk_RSHIFT( q1_Q10 + rdo_offset, 10 ); |
548 | 0 | } else if (q1_Q10 < 0) { |
549 | 0 | q1_Q0 = -1; |
550 | 0 | } else { |
551 | 0 | q1_Q0 = 0; |
552 | 0 | } |
553 | 0 | } |
554 | |
|
555 | 0 | q1_Q10 = table[q1_Q0][0]; |
556 | 0 | q2_Q10 = table[q1_Q0][1]; |
557 | |
|
558 | 0 | if (r_Q10 * table[q1_Q0][2] - table[q1_Q0][3] < 0) |
559 | 0 | { |
560 | 0 | q1_Q10 = q2_Q10; |
561 | 0 | } |
562 | |
|
563 | 0 | pulses[ i ] = (opus_int8)silk_RSHIFT_ROUND( q1_Q10, 10 ); |
564 | | |
565 | | /* Excitation */ |
566 | 0 | exc_Q14 = silk_LSHIFT( q1_Q10, 4 ); |
567 | |
|
568 | 0 | tmp2 = -exc_Q14; |
569 | 0 | if ( NSQ->rand_seed < 0 ) exc_Q14 = tmp2; |
570 | | |
571 | | /* Add predictions */ |
572 | 0 | LPC_exc_Q14 = silk_ADD_LSHIFT32( exc_Q14, LTP_pred_Q13, 1 ); |
573 | 0 | xq_Q14 = silk_ADD_LSHIFT32( LPC_exc_Q14, LPC_pred_Q10, 4 ); |
574 | | |
575 | | /* Update states */ |
576 | 0 | psLPC_Q14++; |
577 | 0 | *psLPC_Q14 = xq_Q14; |
578 | 0 | NSQ->sDiff_shp_Q14 = silk_SUB_LSHIFT32( xq_Q14, x_sc_Q10[ i ], 4 ); |
579 | 0 | sLF_AR_shp_Q14 = silk_SUB_LSHIFT32( NSQ->sDiff_shp_Q14, n_AR_Q12, 2 ); |
580 | |
|
581 | 0 | NSQ->sLTP_shp_Q14[ NSQ->sLTP_shp_buf_idx ] = silk_SUB_LSHIFT32( sLF_AR_shp_Q14, n_LF_Q12, 2 ); |
582 | 0 | sLTP_Q15[ NSQ->sLTP_buf_idx ] = silk_LSHIFT( LPC_exc_Q14, 1 ); |
583 | 0 | NSQ->sLTP_shp_buf_idx++; |
584 | 0 | NSQ->sLTP_buf_idx++; |
585 | | |
586 | | /* Make dither dependent on quantized signal */ |
587 | 0 | NSQ->rand_seed = silk_ADD32_ovflw( NSQ->rand_seed, pulses[ i ] ); |
588 | 0 | } |
589 | | |
590 | 0 | NSQ->sLF_AR_shp_Q14 = sLF_AR_shp_Q14; |
591 | | |
592 | | /* Scale XQ back to normal level before saving */ |
593 | 0 | psLPC_Q14 = &NSQ->sLPC_Q14[ NSQ_LPC_BUF_LENGTH ]; |
594 | | |
595 | | /* write back sAR2_Q14 */ |
596 | 0 | xmm_tempa = _mm_unpackhi_epi16( sAR2_Q14_lo_76543210, sAR2_Q14_hi_76543210 ); |
597 | 0 | xmm_tempb = _mm_unpacklo_epi16( sAR2_Q14_lo_76543210, sAR2_Q14_hi_76543210 ); |
598 | 0 | _mm_storeu_si128( (__m128i *)(void*)(&NSQ->sAR2_Q14[ 4 ]), xmm_tempa ); |
599 | 0 | _mm_storeu_si128( (__m128i *)(void*)(&NSQ->sAR2_Q14[ 0 ]), xmm_tempb ); |
600 | | |
601 | | /* xq[ i ] = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( silk_SMULWW( psLPC_Q14[ i ], Gain_Q10 ), 8 ) ); */ |
602 | 0 | { |
603 | 0 | __m128i xmm_Gain_Q10; |
604 | 0 | __m128i xmm_xq_Q14_3210, xmm_xq_Q14_x3x1, xmm_xq_Q14_7654, xmm_xq_Q14_x7x5; |
605 | | |
606 | | /* prepare (1 << 7) in packed 4 32-bits */ |
607 | 0 | xmm_tempa = _mm_set1_epi32( (1 << 7) ); |
608 | | |
609 | | /* prepare Gain_Q10 in packed 4 32-bits */ |
610 | 0 | xmm_Gain_Q10 = _mm_set1_epi32( Gain_Q10 ); |
611 | | |
612 | | /* process xq */ |
613 | 0 | for (i = 0; i < length - 7; i += 8) |
614 | 0 | { |
615 | 0 | xmm_xq_Q14_3210 = _mm_loadu_si128( (__m128i *)(void*)(&(psLPC_Q14[ i + 0 ] ) ) ); |
616 | 0 | xmm_xq_Q14_7654 = _mm_loadu_si128( (__m128i *)(void*)(&(psLPC_Q14[ i + 4 ] ) ) ); |
617 | | |
618 | | /* equal shift right 4 bytes*/ |
619 | 0 | xmm_xq_Q14_x3x1 = _mm_shuffle_epi32( xmm_xq_Q14_3210, _MM_SHUFFLE( 0, 3, 2, 1 ) ); |
620 | | /* equal shift right 4 bytes*/ |
621 | 0 | xmm_xq_Q14_x7x5 = _mm_shuffle_epi32( xmm_xq_Q14_7654, _MM_SHUFFLE( 0, 3, 2, 1 ) ); |
622 | |
|
623 | 0 | xmm_xq_Q14_3210 = _mm_mul_epi32( xmm_xq_Q14_3210, xmm_Gain_Q10 ); |
624 | 0 | xmm_xq_Q14_x3x1 = _mm_mul_epi32( xmm_xq_Q14_x3x1, xmm_Gain_Q10 ); |
625 | 0 | xmm_xq_Q14_7654 = _mm_mul_epi32( xmm_xq_Q14_7654, xmm_Gain_Q10 ); |
626 | 0 | xmm_xq_Q14_x7x5 = _mm_mul_epi32( xmm_xq_Q14_x7x5, xmm_Gain_Q10 ); |
627 | |
|
628 | 0 | xmm_xq_Q14_3210 = _mm_srli_epi64( xmm_xq_Q14_3210, 16 ); |
629 | 0 | xmm_xq_Q14_x3x1 = _mm_slli_epi64( xmm_xq_Q14_x3x1, 16 ); |
630 | 0 | xmm_xq_Q14_7654 = _mm_srli_epi64( xmm_xq_Q14_7654, 16 ); |
631 | 0 | xmm_xq_Q14_x7x5 = _mm_slli_epi64( xmm_xq_Q14_x7x5, 16 ); |
632 | |
|
633 | 0 | xmm_xq_Q14_3210 = _mm_blend_epi16( xmm_xq_Q14_3210, xmm_xq_Q14_x3x1, 0xCC ); |
634 | 0 | xmm_xq_Q14_7654 = _mm_blend_epi16( xmm_xq_Q14_7654, xmm_xq_Q14_x7x5, 0xCC ); |
635 | | |
636 | | /* silk_RSHIFT_ROUND(xq, 8) */ |
637 | 0 | xmm_xq_Q14_3210 = _mm_add_epi32( xmm_xq_Q14_3210, xmm_tempa ); |
638 | 0 | xmm_xq_Q14_7654 = _mm_add_epi32( xmm_xq_Q14_7654, xmm_tempa ); |
639 | |
|
640 | 0 | xmm_xq_Q14_3210 = _mm_srai_epi32( xmm_xq_Q14_3210, 8 ); |
641 | 0 | xmm_xq_Q14_7654 = _mm_srai_epi32( xmm_xq_Q14_7654, 8 ); |
642 | | |
643 | | /* silk_SAT16 */ |
644 | 0 | xmm_xq_Q14_3210 = _mm_packs_epi32( xmm_xq_Q14_3210, xmm_xq_Q14_7654 ); |
645 | | |
646 | | /* save to xq */ |
647 | 0 | _mm_storeu_si128( (__m128i *)(void*)(&xq[ i ] ), xmm_xq_Q14_3210 ); |
648 | 0 | } |
649 | 0 | } |
650 | 0 | for ( ; i < length; i++) |
651 | 0 | { |
652 | 0 | xq[i] = (opus_int16)silk_SAT16( silk_RSHIFT_ROUND( silk_SMULWW( psLPC_Q14[ i ], Gain_Q10 ), 8 ) ); |
653 | 0 | } |
654 | | |
655 | | /* Update LPC synth buffer */ |
656 | 0 | silk_memcpy( NSQ->sLPC_Q14, &NSQ->sLPC_Q14[ length ], NSQ_LPC_BUF_LENGTH * sizeof( opus_int32 ) ); |
657 | 0 | } |
658 | | |
659 | | static OPUS_INLINE void silk_nsq_scale_states_sse4_1( |
660 | | const silk_encoder_state *psEncC, /* I Encoder State */ |
661 | | silk_nsq_state *NSQ, /* I/O NSQ state */ |
662 | | const opus_int16 x16[], /* I input */ |
663 | | opus_int32 x_sc_Q10[], /* O input scaled with 1/Gain */ |
664 | | const opus_int16 sLTP[], /* I re-whitened LTP state in Q0 */ |
665 | | opus_int32 sLTP_Q15[], /* O LTP state matching scaled input */ |
666 | | opus_int subfr, /* I subframe number */ |
667 | | const opus_int LTP_scale_Q14, /* I */ |
668 | | const opus_int32 Gains_Q16[ MAX_NB_SUBFR ], /* I */ |
669 | | const opus_int pitchL[ MAX_NB_SUBFR ], /* I Pitch lag */ |
670 | | const opus_int signal_type /* I Signal type */ |
671 | | ) |
672 | 0 | { |
673 | 0 | opus_int i, lag; |
674 | 0 | opus_int32 gain_adj_Q16, inv_gain_Q31, inv_gain_Q26; |
675 | 0 | __m128i xmm_inv_gain_Q26, xmm_x16_x2x0, xmm_x16_x3x1; |
676 | |
|
677 | 0 | lag = pitchL[ subfr ]; |
678 | 0 | inv_gain_Q31 = silk_INVERSE32_varQ( silk_max( Gains_Q16[ subfr ], 1 ), 47 ); |
679 | 0 | silk_assert( inv_gain_Q31 != 0 ); |
680 | | |
681 | | /* Scale input */ |
682 | 0 | inv_gain_Q26 = silk_RSHIFT_ROUND( inv_gain_Q31, 5 ); |
683 | | |
684 | | /* prepare inv_gain_Q26 in packed 4 32-bits */ |
685 | 0 | xmm_inv_gain_Q26 = _mm_set1_epi32(inv_gain_Q26); |
686 | |
|
687 | 0 | for( i = 0; i < psEncC->subfr_length - 3; i += 4 ) { |
688 | 0 | xmm_x16_x2x0 = OP_CVTEPI16_EPI32_M64( &(x16[ i ] ) ); |
689 | | |
690 | | /* equal shift right 4 bytes*/ |
691 | 0 | xmm_x16_x3x1 = _mm_shuffle_epi32( xmm_x16_x2x0, _MM_SHUFFLE( 0, 3, 2, 1 ) ); |
692 | |
|
693 | 0 | xmm_x16_x2x0 = _mm_mul_epi32( xmm_x16_x2x0, xmm_inv_gain_Q26 ); |
694 | 0 | xmm_x16_x3x1 = _mm_mul_epi32( xmm_x16_x3x1, xmm_inv_gain_Q26 ); |
695 | |
|
696 | 0 | xmm_x16_x2x0 = _mm_srli_epi64( xmm_x16_x2x0, 16 ); |
697 | 0 | xmm_x16_x3x1 = _mm_slli_epi64( xmm_x16_x3x1, 16 ); |
698 | |
|
699 | 0 | xmm_x16_x2x0 = _mm_blend_epi16( xmm_x16_x2x0, xmm_x16_x3x1, 0xCC ); |
700 | |
|
701 | 0 | _mm_storeu_si128( (__m128i *)(void*)(&(x_sc_Q10[ i ] ) ), xmm_x16_x2x0 ); |
702 | 0 | } |
703 | |
|
704 | 0 | for( ; i < psEncC->subfr_length; i++ ) { |
705 | 0 | x_sc_Q10[ i ] = silk_SMULWW( x16[ i ], inv_gain_Q26 ); |
706 | 0 | } |
707 | | |
708 | | /* After rewhitening the LTP state is un-scaled, so scale with inv_gain_Q16 */ |
709 | 0 | if( NSQ->rewhite_flag ) { |
710 | 0 | if( subfr == 0 ) { |
711 | | /* Do LTP downscaling */ |
712 | 0 | inv_gain_Q31 = silk_LSHIFT( silk_SMULWB( inv_gain_Q31, LTP_scale_Q14 ), 2 ); |
713 | 0 | } |
714 | 0 | for( i = NSQ->sLTP_buf_idx - lag - LTP_ORDER / 2; i < NSQ->sLTP_buf_idx; i++ ) { |
715 | 0 | silk_assert( i < MAX_FRAME_LENGTH ); |
716 | 0 | sLTP_Q15[ i ] = silk_SMULWB( inv_gain_Q31, sLTP[ i ] ); |
717 | 0 | } |
718 | 0 | } |
719 | | |
720 | | /* Adjust for changing gain */ |
721 | 0 | if( Gains_Q16[ subfr ] != NSQ->prev_gain_Q16 ) { |
722 | 0 | __m128i xmm_gain_adj_Q16, xmm_sLTP_shp_Q14_x2x0, xmm_sLTP_shp_Q14_x3x1; |
723 | 0 | gain_adj_Q16 = silk_DIV32_varQ( NSQ->prev_gain_Q16, Gains_Q16[ subfr ], 16 ); |
724 | | |
725 | | /* Scale long-term shaping state */ |
726 | | |
727 | | /* prepare gain_adj_Q16 in packed 4 32-bits */ |
728 | 0 | xmm_gain_adj_Q16 = _mm_set1_epi32(gain_adj_Q16); |
729 | |
|
730 | 0 | for( i = NSQ->sLTP_shp_buf_idx - psEncC->ltp_mem_length; i < NSQ->sLTP_shp_buf_idx - 3; i += 4 ) |
731 | 0 | { |
732 | 0 | xmm_sLTP_shp_Q14_x2x0 = _mm_loadu_si128( (__m128i *)(void*)(&(NSQ->sLTP_shp_Q14[ i ] ) ) ); |
733 | | /* equal shift right 4 bytes*/ |
734 | 0 | xmm_sLTP_shp_Q14_x3x1 = _mm_shuffle_epi32( xmm_sLTP_shp_Q14_x2x0, _MM_SHUFFLE( 0, 3, 2, 1 ) ); |
735 | |
|
736 | 0 | xmm_sLTP_shp_Q14_x2x0 = _mm_mul_epi32( xmm_sLTP_shp_Q14_x2x0, xmm_gain_adj_Q16 ); |
737 | 0 | xmm_sLTP_shp_Q14_x3x1 = _mm_mul_epi32( xmm_sLTP_shp_Q14_x3x1, xmm_gain_adj_Q16 ); |
738 | |
|
739 | 0 | xmm_sLTP_shp_Q14_x2x0 = _mm_srli_epi64( xmm_sLTP_shp_Q14_x2x0, 16 ); |
740 | 0 | xmm_sLTP_shp_Q14_x3x1 = _mm_slli_epi64( xmm_sLTP_shp_Q14_x3x1, 16 ); |
741 | |
|
742 | 0 | xmm_sLTP_shp_Q14_x2x0 = _mm_blend_epi16( xmm_sLTP_shp_Q14_x2x0, xmm_sLTP_shp_Q14_x3x1, 0xCC ); |
743 | |
|
744 | 0 | _mm_storeu_si128( (__m128i *)(void*)(&(NSQ->sLTP_shp_Q14[ i ] ) ), xmm_sLTP_shp_Q14_x2x0 ); |
745 | 0 | } |
746 | |
|
747 | 0 | for( ; i < NSQ->sLTP_shp_buf_idx; i++ ) { |
748 | 0 | NSQ->sLTP_shp_Q14[ i ] = silk_SMULWW( gain_adj_Q16, NSQ->sLTP_shp_Q14[ i ] ); |
749 | 0 | } |
750 | | |
751 | | /* Scale long-term prediction state */ |
752 | 0 | if( signal_type == TYPE_VOICED && NSQ->rewhite_flag == 0 ) { |
753 | 0 | for( i = NSQ->sLTP_buf_idx - lag - LTP_ORDER / 2; i < NSQ->sLTP_buf_idx; i++ ) { |
754 | 0 | sLTP_Q15[ i ] = silk_SMULWW( gain_adj_Q16, sLTP_Q15[ i ] ); |
755 | 0 | } |
756 | 0 | } |
757 | |
|
758 | 0 | NSQ->sLF_AR_shp_Q14 = silk_SMULWW( gain_adj_Q16, NSQ->sLF_AR_shp_Q14 ); |
759 | 0 | NSQ->sDiff_shp_Q14 = silk_SMULWW( gain_adj_Q16, NSQ->sDiff_shp_Q14 ); |
760 | | |
761 | | /* Scale short-term prediction and shaping states */ |
762 | 0 | for( i = 0; i < NSQ_LPC_BUF_LENGTH; i++ ) { |
763 | 0 | NSQ->sLPC_Q14[ i ] = silk_SMULWW( gain_adj_Q16, NSQ->sLPC_Q14[ i ] ); |
764 | 0 | } |
765 | 0 | for( i = 0; i < MAX_SHAPE_LPC_ORDER; i++ ) { |
766 | 0 | NSQ->sAR2_Q14[ i ] = silk_SMULWW( gain_adj_Q16, NSQ->sAR2_Q14[ i ] ); |
767 | 0 | } |
768 | | |
769 | | /* Save inverse gain */ |
770 | 0 | NSQ->prev_gain_Q16 = Gains_Q16[ subfr ]; |
771 | 0 | } |
772 | 0 | } |