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1 | /* |
2 | * Copyright (c) 2012 | |
3 | * MIPS Technologies, Inc., California. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * 3. Neither the name of the MIPS Technologies, Inc., nor the names of its | |
14 | * contributors may be used to endorse or promote products derived from | |
15 | * this software without specific prior written permission. | |
16 | * | |
17 | * THIS SOFTWARE IS PROVIDED BY THE MIPS TECHNOLOGIES, INC. ``AS IS'' AND | |
18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE MIPS TECHNOLOGIES, INC. BE LIABLE | |
21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
27 | * SUCH DAMAGE. | |
28 | * | |
29 | * Authors: Djordje Pesut (djordje@mips.com) | |
30 | * Mirjana Vulin (mvulin@mips.com) | |
31 | * | |
32 | * This file is part of FFmpeg. | |
33 | * | |
34 | * FFmpeg is free software; you can redistribute it and/or | |
35 | * modify it under the terms of the GNU Lesser General Public | |
36 | * License as published by the Free Software Foundation; either | |
37 | * version 2.1 of the License, or (at your option) any later version. | |
38 | * | |
39 | * FFmpeg is distributed in the hope that it will be useful, | |
40 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
41 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
42 | * Lesser General Public License for more details. | |
43 | * | |
44 | * You should have received a copy of the GNU Lesser General Public | |
45 | * License along with FFmpeg; if not, write to the Free Software | |
46 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
47 | */ | |
48 | ||
49 | /** | |
50 | * @file | |
51 | * Reference: libavcodec/aacsbr.c | |
52 | */ | |
53 | ||
54 | #include "libavcodec/aac.h" | |
55 | #include "libavcodec/aacsbr.h" | |
56 | ||
57 | #define ENVELOPE_ADJUSTMENT_OFFSET 2 | |
58 | ||
59 | #if HAVE_INLINE_ASM | |
60 | static int sbr_lf_gen_mips(AACContext *ac, SpectralBandReplication *sbr, | |
61 | float X_low[32][40][2], const float W[2][32][32][2], | |
62 | int buf_idx) | |
63 | { | |
64 | int i, k; | |
65 | int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7; | |
66 | float *p_x_low = &X_low[0][8][0]; | |
67 | float *p_w = (float*)&W[buf_idx][0][0][0]; | |
68 | float *p_x1_low = &X_low[0][0][0]; | |
69 | float *p_w1 = (float*)&W[1-buf_idx][24][0][0]; | |
70 | ||
71 | float *loop_end=p_x1_low + 2560; | |
72 | ||
73 | /* loop unrolled 8 times */ | |
74 | __asm__ volatile ( | |
75 | "1: \n\t" | |
76 | "sw $0, 0(%[p_x1_low]) \n\t" | |
77 | "sw $0, 4(%[p_x1_low]) \n\t" | |
78 | "sw $0, 8(%[p_x1_low]) \n\t" | |
79 | "sw $0, 12(%[p_x1_low]) \n\t" | |
80 | "sw $0, 16(%[p_x1_low]) \n\t" | |
81 | "sw $0, 20(%[p_x1_low]) \n\t" | |
82 | "sw $0, 24(%[p_x1_low]) \n\t" | |
83 | "sw $0, 28(%[p_x1_low]) \n\t" | |
84 | "addiu %[p_x1_low], %[p_x1_low], 32 \n\t" | |
85 | "bne %[p_x1_low], %[loop_end], 1b \n\t" | |
86 | "addiu %[p_x1_low], %[p_x1_low], -10240 \n\t" | |
87 | ||
88 | : [p_x1_low]"+r"(p_x1_low) | |
89 | : [loop_end]"r"(loop_end) | |
90 | : "memory" | |
91 | ); | |
92 | ||
93 | for (k = 0; k < sbr->kx[1]; k++) { | |
94 | for (i = 0; i < 32; i+=4) { | |
95 | /* loop unrolled 4 times */ | |
96 | __asm__ volatile ( | |
97 | "lw %[temp0], 0(%[p_w]) \n\t" | |
98 | "lw %[temp1], 4(%[p_w]) \n\t" | |
99 | "lw %[temp2], 256(%[p_w]) \n\t" | |
100 | "lw %[temp3], 260(%[p_w]) \n\t" | |
101 | "lw %[temp4], 512(%[p_w]) \n\t" | |
102 | "lw %[temp5], 516(%[p_w]) \n\t" | |
103 | "lw %[temp6], 768(%[p_w]) \n\t" | |
104 | "lw %[temp7], 772(%[p_w]) \n\t" | |
105 | "sw %[temp0], 0(%[p_x_low]) \n\t" | |
106 | "sw %[temp1], 4(%[p_x_low]) \n\t" | |
107 | "sw %[temp2], 8(%[p_x_low]) \n\t" | |
108 | "sw %[temp3], 12(%[p_x_low]) \n\t" | |
109 | "sw %[temp4], 16(%[p_x_low]) \n\t" | |
110 | "sw %[temp5], 20(%[p_x_low]) \n\t" | |
111 | "sw %[temp6], 24(%[p_x_low]) \n\t" | |
112 | "sw %[temp7], 28(%[p_x_low]) \n\t" | |
113 | "addiu %[p_x_low], %[p_x_low], 32 \n\t" | |
114 | "addiu %[p_w], %[p_w], 1024 \n\t" | |
115 | ||
116 | : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), | |
117 | [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), | |
118 | [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), | |
119 | [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), | |
120 | [p_w]"+r"(p_w), [p_x_low]"+r"(p_x_low) | |
121 | : | |
122 | : "memory" | |
123 | ); | |
124 | } | |
125 | p_x_low += 16; | |
126 | p_w -= 2046; | |
127 | } | |
128 | ||
129 | for (k = 0; k < sbr->kx[0]; k++) { | |
130 | for (i = 0; i < 2; i++) { | |
131 | ||
132 | /* loop unrolled 4 times */ | |
133 | __asm__ volatile ( | |
134 | "lw %[temp0], 0(%[p_w1]) \n\t" | |
135 | "lw %[temp1], 4(%[p_w1]) \n\t" | |
136 | "lw %[temp2], 256(%[p_w1]) \n\t" | |
137 | "lw %[temp3], 260(%[p_w1]) \n\t" | |
138 | "lw %[temp4], 512(%[p_w1]) \n\t" | |
139 | "lw %[temp5], 516(%[p_w1]) \n\t" | |
140 | "lw %[temp6], 768(%[p_w1]) \n\t" | |
141 | "lw %[temp7], 772(%[p_w1]) \n\t" | |
142 | "sw %[temp0], 0(%[p_x1_low]) \n\t" | |
143 | "sw %[temp1], 4(%[p_x1_low]) \n\t" | |
144 | "sw %[temp2], 8(%[p_x1_low]) \n\t" | |
145 | "sw %[temp3], 12(%[p_x1_low]) \n\t" | |
146 | "sw %[temp4], 16(%[p_x1_low]) \n\t" | |
147 | "sw %[temp5], 20(%[p_x1_low]) \n\t" | |
148 | "sw %[temp6], 24(%[p_x1_low]) \n\t" | |
149 | "sw %[temp7], 28(%[p_x1_low]) \n\t" | |
150 | "addiu %[p_x1_low], %[p_x1_low], 32 \n\t" | |
151 | "addiu %[p_w1], %[p_w1], 1024 \n\t" | |
152 | ||
153 | : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), | |
154 | [temp2]"=&r"(temp2), [temp3]"=&r"(temp3), | |
155 | [temp4]"=&r"(temp4), [temp5]"=&r"(temp5), | |
156 | [temp6]"=&r"(temp6), [temp7]"=&r"(temp7), | |
157 | [p_w1]"+r"(p_w1), [p_x1_low]"+r"(p_x1_low) | |
158 | : | |
159 | : "memory" | |
160 | ); | |
161 | } | |
162 | p_x1_low += 64; | |
163 | p_w1 -= 510; | |
164 | } | |
165 | return 0; | |
166 | } | |
167 | ||
168 | static int sbr_x_gen_mips(SpectralBandReplication *sbr, float X[2][38][64], | |
169 | const float Y0[38][64][2], const float Y1[38][64][2], | |
170 | const float X_low[32][40][2], int ch) | |
171 | { | |
172 | int k, i; | |
173 | const int i_f = 32; | |
174 | int temp0, temp1, temp2, temp3; | |
175 | const float *X_low1, *Y01, *Y11; | |
176 | float *x1=&X[0][0][0]; | |
177 | float *j=x1+4864; | |
178 | const int i_Temp = FFMAX(2*sbr->data[ch].t_env_num_env_old - i_f, 0); | |
179 | ||
180 | /* loop unrolled 8 times */ | |
181 | __asm__ volatile ( | |
182 | "1: \n\t" | |
183 | "sw $0, 0(%[x1]) \n\t" | |
184 | "sw $0, 4(%[x1]) \n\t" | |
185 | "sw $0, 8(%[x1]) \n\t" | |
186 | "sw $0, 12(%[x1]) \n\t" | |
187 | "sw $0, 16(%[x1]) \n\t" | |
188 | "sw $0, 20(%[x1]) \n\t" | |
189 | "sw $0, 24(%[x1]) \n\t" | |
190 | "sw $0, 28(%[x1]) \n\t" | |
191 | "addiu %[x1], %[x1], 32 \n\t" | |
192 | "bne %[x1], %[j], 1b \n\t" | |
193 | "addiu %[x1], %[x1], -19456 \n\t" | |
194 | ||
195 | : [x1]"+r"(x1) | |
196 | : [j]"r"(j) | |
197 | : "memory" | |
198 | ); | |
199 | ||
200 | if (i_Temp != 0) { | |
201 | ||
202 | X_low1=&X_low[0][2][0]; | |
203 | ||
204 | for (k = 0; k < sbr->kx[0]; k++) { | |
205 | ||
206 | __asm__ volatile ( | |
207 | "move %[i], $zero \n\t" | |
208 | "2: \n\t" | |
209 | "lw %[temp0], 0(%[X_low1]) \n\t" | |
210 | "lw %[temp1], 4(%[X_low1]) \n\t" | |
211 | "sw %[temp0], 0(%[x1]) \n\t" | |
212 | "sw %[temp1], 9728(%[x1]) \n\t" | |
213 | "addiu %[x1], %[x1], 256 \n\t" | |
214 | "addiu %[X_low1], %[X_low1], 8 \n\t" | |
215 | "addiu %[i], %[i], 1 \n\t" | |
216 | "bne %[i], %[i_Temp], 2b \n\t" | |
217 | ||
218 | : [x1]"+r"(x1), [X_low1]"+r"(X_low1), [i]"=&r"(i), | |
219 | [temp0]"=&r"(temp0), [temp1]"=&r"(temp1) | |
220 | : [i_Temp]"r"(i_Temp) | |
221 | : "memory" | |
222 | ); | |
223 | x1-=(i_Temp<<6)-1; | |
224 | X_low1-=(i_Temp<<1)-80; | |
225 | } | |
226 | ||
227 | x1=&X[0][0][k]; | |
228 | Y01=(float*)&Y0[32][k][0]; | |
229 | ||
230 | for (; k < sbr->kx[0] + sbr->m[0]; k++) { | |
231 | __asm__ volatile ( | |
232 | "move %[i], $zero \n\t" | |
233 | "3: \n\t" | |
234 | "lw %[temp0], 0(%[Y01]) \n\t" | |
235 | "lw %[temp1], 4(%[Y01]) \n\t" | |
236 | "sw %[temp0], 0(%[x1]) \n\t" | |
237 | "sw %[temp1], 9728(%[x1]) \n\t" | |
238 | "addiu %[x1], %[x1], 256 \n\t" | |
239 | "addiu %[Y01], %[Y01], 512 \n\t" | |
240 | "addiu %[i], %[i], 1 \n\t" | |
241 | "bne %[i], %[i_Temp], 3b \n\t" | |
242 | ||
243 | : [x1]"+r"(x1), [Y01]"+r"(Y01), [i]"=&r"(i), | |
244 | [temp0]"=&r"(temp0), [temp1]"=&r"(temp1) | |
245 | : [i_Temp]"r"(i_Temp) | |
246 | : "memory" | |
247 | ); | |
248 | x1 -=(i_Temp<<6)-1; | |
249 | Y01 -=(i_Temp<<7)-2; | |
250 | } | |
251 | } | |
252 | ||
253 | x1=&X[0][i_Temp][0]; | |
254 | X_low1=&X_low[0][i_Temp+2][0]; | |
255 | temp3=38; | |
256 | ||
257 | for (k = 0; k < sbr->kx[1]; k++) { | |
258 | ||
259 | __asm__ volatile ( | |
260 | "move %[i], %[i_Temp] \n\t" | |
261 | "4: \n\t" | |
262 | "lw %[temp0], 0(%[X_low1]) \n\t" | |
263 | "lw %[temp1], 4(%[X_low1]) \n\t" | |
264 | "sw %[temp0], 0(%[x1]) \n\t" | |
265 | "sw %[temp1], 9728(%[x1]) \n\t" | |
266 | "addiu %[x1], %[x1], 256 \n\t" | |
267 | "addiu %[X_low1], %[X_low1], 8 \n\t" | |
268 | "addiu %[i], %[i], 1 \n\t" | |
269 | "bne %[i], %[temp3], 4b \n\t" | |
270 | ||
271 | : [x1]"+r"(x1), [X_low1]"+r"(X_low1), [i]"=&r"(i), | |
272 | [temp0]"=&r"(temp0), [temp1]"=&r"(temp1), | |
273 | [temp2]"=&r"(temp2) | |
274 | : [i_Temp]"r"(i_Temp), [temp3]"r"(temp3) | |
275 | : "memory" | |
276 | ); | |
277 | x1 -= ((38-i_Temp)<<6)-1; | |
278 | X_low1 -= ((38-i_Temp)<<1)- 80; | |
279 | } | |
280 | ||
281 | x1=&X[0][i_Temp][k]; | |
282 | Y11=&Y1[i_Temp][k][0]; | |
283 | temp2=32; | |
284 | ||
285 | for (; k < sbr->kx[1] + sbr->m[1]; k++) { | |
286 | ||
287 | __asm__ volatile ( | |
288 | "move %[i], %[i_Temp] \n\t" | |
289 | "5: \n\t" | |
290 | "lw %[temp0], 0(%[Y11]) \n\t" | |
291 | "lw %[temp1], 4(%[Y11]) \n\t" | |
292 | "sw %[temp0], 0(%[x1]) \n\t" | |
293 | "sw %[temp1], 9728(%[x1]) \n\t" | |
294 | "addiu %[x1], %[x1], 256 \n\t" | |
295 | "addiu %[Y11], %[Y11], 512 \n\t" | |
296 | "addiu %[i], %[i], 1 \n\t" | |
297 | "bne %[i], %[temp2], 5b \n\t" | |
298 | ||
299 | : [x1]"+r"(x1), [Y11]"+r"(Y11), [i]"=&r"(i), | |
300 | [temp0]"=&r"(temp0), [temp1]"=&r"(temp1) | |
301 | : [i_Temp]"r"(i_Temp), [temp3]"r"(temp3), | |
302 | [temp2]"r"(temp2) | |
303 | : "memory" | |
304 | ); | |
305 | ||
306 | x1 -= ((32-i_Temp)<<6)-1; | |
307 | Y11 -= ((32-i_Temp)<<7)-2; | |
308 | } | |
309 | return 0; | |
310 | } | |
311 | ||
312 | #if HAVE_MIPSFPU | |
313 | static void sbr_hf_assemble_mips(float Y1[38][64][2], | |
314 | const float X_high[64][40][2], | |
315 | SpectralBandReplication *sbr, SBRData *ch_data, | |
316 | const int e_a[2]) | |
317 | { | |
318 | int e, i, j, m; | |
319 | const int h_SL = 4 * !sbr->bs_smoothing_mode; | |
320 | const int kx = sbr->kx[1]; | |
321 | const int m_max = sbr->m[1]; | |
322 | static const float h_smooth[5] = { | |
323 | 0.33333333333333, | |
324 | 0.30150283239582, | |
325 | 0.21816949906249, | |
326 | 0.11516383427084, | |
327 | 0.03183050093751, | |
328 | }; | |
329 | ||
330 | float (*g_temp)[48] = ch_data->g_temp, (*q_temp)[48] = ch_data->q_temp; | |
331 | int indexnoise = ch_data->f_indexnoise; | |
332 | int indexsine = ch_data->f_indexsine; | |
333 | float *g_temp1, *q_temp1, *pok, *pok1; | |
334 | float temp1, temp2, temp3, temp4; | |
335 | int size = m_max; | |
336 | ||
337 | if (sbr->reset) { | |
338 | for (i = 0; i < h_SL; i++) { | |
339 | memcpy(g_temp[i + 2*ch_data->t_env[0]], sbr->gain[0], m_max * sizeof(sbr->gain[0][0])); | |
340 | memcpy(q_temp[i + 2*ch_data->t_env[0]], sbr->q_m[0], m_max * sizeof(sbr->q_m[0][0])); | |
341 | } | |
342 | } else if (h_SL) { | |
343 | memcpy(g_temp[2*ch_data->t_env[0]], g_temp[2*ch_data->t_env_num_env_old], 4*sizeof(g_temp[0])); | |
344 | memcpy(q_temp[2*ch_data->t_env[0]], q_temp[2*ch_data->t_env_num_env_old], 4*sizeof(q_temp[0])); | |
345 | } | |
346 | ||
347 | for (e = 0; e < ch_data->bs_num_env; e++) { | |
348 | for (i = 2 * ch_data->t_env[e]; i < 2 * ch_data->t_env[e + 1]; i++) { | |
349 | g_temp1 = g_temp[h_SL + i]; | |
350 | pok = sbr->gain[e]; | |
351 | q_temp1 = q_temp[h_SL + i]; | |
352 | pok1 = sbr->q_m[e]; | |
353 | ||
354 | /* loop unrolled 4 times */ | |
355 | for (j=0; j<(size>>2); j++) { | |
356 | __asm__ volatile ( | |
357 | "lw %[temp1], 0(%[pok]) \n\t" | |
358 | "lw %[temp2], 4(%[pok]) \n\t" | |
359 | "lw %[temp3], 8(%[pok]) \n\t" | |
360 | "lw %[temp4], 12(%[pok]) \n\t" | |
361 | "sw %[temp1], 0(%[g_temp1]) \n\t" | |
362 | "sw %[temp2], 4(%[g_temp1]) \n\t" | |
363 | "sw %[temp3], 8(%[g_temp1]) \n\t" | |
364 | "sw %[temp4], 12(%[g_temp1]) \n\t" | |
365 | "lw %[temp1], 0(%[pok1]) \n\t" | |
366 | "lw %[temp2], 4(%[pok1]) \n\t" | |
367 | "lw %[temp3], 8(%[pok1]) \n\t" | |
368 | "lw %[temp4], 12(%[pok1]) \n\t" | |
369 | "sw %[temp1], 0(%[q_temp1]) \n\t" | |
370 | "sw %[temp2], 4(%[q_temp1]) \n\t" | |
371 | "sw %[temp3], 8(%[q_temp1]) \n\t" | |
372 | "sw %[temp4], 12(%[q_temp1]) \n\t" | |
373 | "addiu %[pok], %[pok], 16 \n\t" | |
374 | "addiu %[g_temp1], %[g_temp1], 16 \n\t" | |
375 | "addiu %[pok1], %[pok1], 16 \n\t" | |
376 | "addiu %[q_temp1], %[q_temp1], 16 \n\t" | |
377 | ||
378 | : [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), | |
379 | [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), | |
380 | [pok]"+r"(pok), [g_temp1]"+r"(g_temp1), | |
381 | [pok1]"+r"(pok1), [q_temp1]"+r"(q_temp1) | |
382 | : | |
383 | : "memory" | |
384 | ); | |
385 | } | |
386 | ||
387 | for (j=0; j<(size&3); j++) { | |
388 | __asm__ volatile ( | |
389 | "lw %[temp1], 0(%[pok]) \n\t" | |
390 | "lw %[temp2], 0(%[pok1]) \n\t" | |
391 | "sw %[temp1], 0(%[g_temp1]) \n\t" | |
392 | "sw %[temp2], 0(%[q_temp1]) \n\t" | |
393 | "addiu %[pok], %[pok], 4 \n\t" | |
394 | "addiu %[g_temp1], %[g_temp1], 4 \n\t" | |
395 | "addiu %[pok1], %[pok1], 4 \n\t" | |
396 | "addiu %[q_temp1], %[q_temp1], 4 \n\t" | |
397 | ||
398 | : [temp1]"=&r"(temp1), [temp2]"=&r"(temp2), | |
399 | [temp3]"=&r"(temp3), [temp4]"=&r"(temp4), | |
400 | [pok]"+r"(pok), [g_temp1]"+r"(g_temp1), | |
401 | [pok1]"+r"(pok1), [q_temp1]"+r"(q_temp1) | |
402 | : | |
403 | : "memory" | |
404 | ); | |
405 | } | |
406 | } | |
407 | } | |
408 | ||
409 | for (e = 0; e < ch_data->bs_num_env; e++) { | |
410 | for (i = 2 * ch_data->t_env[e]; i < 2 * ch_data->t_env[e + 1]; i++) { | |
411 | LOCAL_ALIGNED_16(float, g_filt_tab, [48]); | |
412 | LOCAL_ALIGNED_16(float, q_filt_tab, [48]); | |
413 | float *g_filt, *q_filt; | |
414 | ||
415 | if (h_SL && e != e_a[0] && e != e_a[1]) { | |
416 | g_filt = g_filt_tab; | |
417 | q_filt = q_filt_tab; | |
418 | ||
419 | for (m = 0; m < m_max; m++) { | |
420 | const int idx1 = i + h_SL; | |
421 | g_filt[m] = 0.0f; | |
422 | q_filt[m] = 0.0f; | |
423 | ||
424 | for (j = 0; j <= h_SL; j++) { | |
425 | g_filt[m] += g_temp[idx1 - j][m] * h_smooth[j]; | |
426 | q_filt[m] += q_temp[idx1 - j][m] * h_smooth[j]; | |
427 | } | |
428 | } | |
429 | } else { | |
430 | g_filt = g_temp[i + h_SL]; | |
431 | q_filt = q_temp[i]; | |
432 | } | |
433 | ||
434 | sbr->dsp.hf_g_filt(Y1[i] + kx, X_high + kx, g_filt, m_max, | |
435 | i + ENVELOPE_ADJUSTMENT_OFFSET); | |
436 | ||
437 | if (e != e_a[0] && e != e_a[1]) { | |
438 | sbr->dsp.hf_apply_noise[indexsine](Y1[i] + kx, sbr->s_m[e], | |
439 | q_filt, indexnoise, | |
440 | kx, m_max); | |
441 | } else { | |
442 | int idx = indexsine&1; | |
443 | int A = (1-((indexsine+(kx & 1))&2)); | |
444 | int B = (A^(-idx)) + idx; | |
445 | float *out = &Y1[i][kx][idx]; | |
446 | float *in = sbr->s_m[e]; | |
447 | float temp0, temp1, temp2, temp3, temp4, temp5; | |
448 | float A_f = (float)A; | |
449 | float B_f = (float)B; | |
450 | ||
451 | for (m = 0; m+1 < m_max; m+=2) { | |
452 | ||
453 | temp2 = out[0]; | |
454 | temp3 = out[2]; | |
455 | ||
456 | __asm__ volatile( | |
457 | "lwc1 %[temp0], 0(%[in]) \n\t" | |
458 | "lwc1 %[temp1], 4(%[in]) \n\t" | |
459 | "madd.s %[temp4], %[temp2], %[temp0], %[A_f] \n\t" | |
460 | "madd.s %[temp5], %[temp3], %[temp1], %[B_f] \n\t" | |
461 | "swc1 %[temp4], 0(%[out]) \n\t" | |
462 | "swc1 %[temp5], 8(%[out]) \n\t" | |
463 | "addiu %[in], %[in], 8 \n\t" | |
464 | "addiu %[out], %[out], 16 \n\t" | |
465 | ||
466 | : [temp0]"=&f" (temp0), [temp1]"=&f"(temp1), | |
467 | [temp4]"=&f" (temp4), [temp5]"=&f"(temp5), | |
468 | [in]"+r"(in), [out]"+r"(out) | |
469 | : [A_f]"f"(A_f), [B_f]"f"(B_f), [temp2]"f"(temp2), | |
470 | [temp3]"f"(temp3) | |
471 | : "memory" | |
472 | ); | |
473 | } | |
474 | if(m_max&1) | |
475 | out[2*m ] += in[m ] * A; | |
476 | } | |
477 | indexnoise = (indexnoise + m_max) & 0x1ff; | |
478 | indexsine = (indexsine + 1) & 3; | |
479 | } | |
480 | } | |
481 | ch_data->f_indexnoise = indexnoise; | |
482 | ch_data->f_indexsine = indexsine; | |
483 | } | |
484 | ||
485 | static void sbr_hf_inverse_filter_mips(SBRDSPContext *dsp, | |
486 | float (*alpha0)[2], float (*alpha1)[2], | |
487 | const float X_low[32][40][2], int k0) | |
488 | { | |
489 | int k; | |
490 | float temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7, c; | |
491 | float *phi1, *alpha_1, *alpha_0, res1, res2, temp_real, temp_im; | |
492 | ||
493 | c = 1.000001f; | |
494 | ||
495 | for (k = 0; k < k0; k++) { | |
496 | LOCAL_ALIGNED_16(float, phi, [3], [2][2]); | |
497 | float dk; | |
498 | phi1 = &phi[0][0][0]; | |
499 | alpha_1 = &alpha1[k][0]; | |
500 | alpha_0 = &alpha0[k][0]; | |
501 | dsp->autocorrelate(X_low[k], phi); | |
502 | ||
503 | __asm__ volatile ( | |
504 | "lwc1 %[temp0], 40(%[phi1]) \n\t" | |
505 | "lwc1 %[temp1], 16(%[phi1]) \n\t" | |
506 | "lwc1 %[temp2], 24(%[phi1]) \n\t" | |
507 | "lwc1 %[temp3], 28(%[phi1]) \n\t" | |
508 | "mul.s %[dk], %[temp0], %[temp1] \n\t" | |
509 | "lwc1 %[temp4], 0(%[phi1]) \n\t" | |
510 | "mul.s %[res2], %[temp2], %[temp2] \n\t" | |
511 | "lwc1 %[temp5], 4(%[phi1]) \n\t" | |
512 | "madd.s %[res2], %[res2], %[temp3], %[temp3] \n\t" | |
513 | "lwc1 %[temp6], 8(%[phi1]) \n\t" | |
514 | "div.s %[res2], %[res2], %[c] \n\t" | |
515 | "lwc1 %[temp0], 12(%[phi1]) \n\t" | |
516 | "sub.s %[dk], %[dk], %[res2] \n\t" | |
517 | ||
518 | : [temp0]"=&f"(temp0), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2), | |
519 | [temp3]"=&f"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5), | |
520 | [temp6]"=&f"(temp6), [res2]"=&f"(res2), [dk]"=&f"(dk) | |
521 | : [phi1]"r"(phi1), [c]"f"(c) | |
522 | : "memory" | |
523 | ); | |
524 | ||
525 | if (!dk) { | |
526 | alpha_1[0] = 0; | |
527 | alpha_1[1] = 0; | |
528 | } else { | |
529 | __asm__ volatile ( | |
530 | "mul.s %[temp_real], %[temp4], %[temp2] \n\t" | |
531 | "nmsub.s %[temp_real], %[temp_real], %[temp5], %[temp3] \n\t" | |
532 | "nmsub.s %[temp_real], %[temp_real], %[temp6], %[temp1] \n\t" | |
533 | "mul.s %[temp_im], %[temp4], %[temp3] \n\t" | |
534 | "madd.s %[temp_im], %[temp_im], %[temp5], %[temp2] \n\t" | |
535 | "nmsub.s %[temp_im], %[temp_im], %[temp0], %[temp1] \n\t" | |
536 | "div.s %[temp_real], %[temp_real], %[dk] \n\t" | |
537 | "div.s %[temp_im], %[temp_im], %[dk] \n\t" | |
538 | "swc1 %[temp_real], 0(%[alpha_1]) \n\t" | |
539 | "swc1 %[temp_im], 4(%[alpha_1]) \n\t" | |
540 | ||
541 | : [temp_real]"=&f" (temp_real), [temp_im]"=&f"(temp_im) | |
542 | : [phi1]"r"(phi1), [temp0]"f"(temp0), [temp1]"f"(temp1), | |
543 | [temp2]"f"(temp2), [temp3]"f"(temp3), [temp4]"f"(temp4), | |
544 | [temp5]"f"(temp5), [temp6]"f"(temp6), | |
545 | [alpha_1]"r"(alpha_1), [dk]"f"(dk) | |
546 | : "memory" | |
547 | ); | |
548 | } | |
549 | ||
550 | if (!phi1[4]) { | |
551 | alpha_0[0] = 0; | |
552 | alpha_0[1] = 0; | |
553 | } else { | |
554 | __asm__ volatile ( | |
555 | "lwc1 %[temp6], 0(%[alpha_1]) \n\t" | |
556 | "lwc1 %[temp7], 4(%[alpha_1]) \n\t" | |
557 | "mul.s %[temp_real], %[temp6], %[temp2] \n\t" | |
558 | "add.s %[temp_real], %[temp_real], %[temp4] \n\t" | |
559 | "madd.s %[temp_real], %[temp_real], %[temp7], %[temp3] \n\t" | |
560 | "mul.s %[temp_im], %[temp7], %[temp2] \n\t" | |
561 | "add.s %[temp_im], %[temp_im], %[temp5] \n\t" | |
562 | "nmsub.s %[temp_im], %[temp_im], %[temp6], %[temp3] \n\t" | |
563 | "div.s %[temp_real], %[temp_real], %[temp1] \n\t" | |
564 | "div.s %[temp_im], %[temp_im], %[temp1] \n\t" | |
565 | "neg.s %[temp_real], %[temp_real] \n\t" | |
566 | "neg.s %[temp_im], %[temp_im] \n\t" | |
567 | "swc1 %[temp_real], 0(%[alpha_0]) \n\t" | |
568 | "swc1 %[temp_im], 4(%[alpha_0]) \n\t" | |
569 | ||
570 | : [temp_real]"=&f"(temp_real), [temp_im]"=&f"(temp_im), | |
571 | [temp6]"=&f"(temp6), [temp7]"=&f"(temp7), | |
572 | [res1]"=&f"(res1), [res2]"=&f"(res2) | |
573 | : [alpha_1]"r"(alpha_1), [alpha_0]"r"(alpha_0), | |
574 | [temp0]"f"(temp0), [temp1]"f"(temp1), [temp2]"f"(temp2), | |
575 | [temp3]"f"(temp3), [temp4]"f"(temp4), [temp5]"f"(temp5) | |
576 | : "memory" | |
577 | ); | |
578 | } | |
579 | ||
580 | __asm__ volatile ( | |
581 | "lwc1 %[temp1], 0(%[alpha_1]) \n\t" | |
582 | "lwc1 %[temp2], 4(%[alpha_1]) \n\t" | |
583 | "lwc1 %[temp_real], 0(%[alpha_0]) \n\t" | |
584 | "lwc1 %[temp_im], 4(%[alpha_0]) \n\t" | |
585 | "mul.s %[res1], %[temp1], %[temp1] \n\t" | |
586 | "madd.s %[res1], %[res1], %[temp2], %[temp2] \n\t" | |
587 | "mul.s %[res2], %[temp_real], %[temp_real] \n\t" | |
588 | "madd.s %[res2], %[res2], %[temp_im], %[temp_im] \n\t" | |
589 | ||
590 | : [temp_real]"=&f"(temp_real), [temp_im]"=&f"(temp_im), | |
591 | [temp1]"=&f"(temp1), [temp2]"=&f"(temp2), | |
592 | [res1]"=&f"(res1), [res2]"=&f"(res2) | |
593 | : [alpha_1]"r"(alpha_1), [alpha_0]"r"(alpha_0) | |
594 | : "memory" | |
595 | ); | |
596 | ||
597 | if (res1 >= 16.0f || res2 >= 16.0f) { | |
598 | alpha_1[0] = 0; | |
599 | alpha_1[1] = 0; | |
600 | alpha_0[0] = 0; | |
601 | alpha_0[1] = 0; | |
602 | } | |
603 | } | |
604 | } | |
605 | #endif /* HAVE_MIPSFPU */ | |
606 | #endif /* HAVE_INLINE_ASM */ | |
607 | ||
608 | void ff_aacsbr_func_ptr_init_mips(AACSBRContext *c) | |
609 | { | |
610 | #if HAVE_INLINE_ASM | |
611 | c->sbr_lf_gen = sbr_lf_gen_mips; | |
612 | c->sbr_x_gen = sbr_x_gen_mips; | |
613 | #if HAVE_MIPSFPU | |
614 | c->sbr_hf_inverse_filter = sbr_hf_inverse_filter_mips; | |
615 | c->sbr_hf_assemble = sbr_hf_assemble_mips; | |
616 | #endif /* HAVE_MIPSFPU */ | |
617 | #endif /* HAVE_INLINE_ASM */ | |
618 | } |