repositories / deb_ffmpeg.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Imported Debian version 2.4.3~trusty1
[deb_ffmpeg.git] / ffmpeg / libavcodec / mips / aacsbr_mips.c
CommitLineData
2ba45a60
DM		 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
60static 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
168static 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
313static 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
485static 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
608void 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}
ffmpeg Piment Noir Debian package repository