git.sesse.net Git - ffmpeg/blob - libavcodec/mips/aacsbr_mips.c

   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 #include "libavutil/mips/asmdefs.h"
  57
  58 #define ENVELOPE_ADJUSTMENT_OFFSET 2
  59
  60 #if HAVE_INLINE_ASM
  61 #if HAVE_MIPSFPU
  62 static int sbr_lf_gen_mips(AACContext *ac, SpectralBandReplication *sbr,
  63                       float X_low[32][40][2], const float W[2][32][32][2],
  64                       int buf_idx)
  65 {
  66     int i, k;
  67     int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
  68     float *p_x_low = &X_low[0][8][0];
  69     float *p_w = (float*)&W[buf_idx][0][0][0];
  70     float *p_x1_low = &X_low[0][0][0];
  71     float *p_w1 = (float*)&W[1-buf_idx][24][0][0];
  72
  73     float *loop_end=p_x1_low + 2560;
  74
  75     /* loop unrolled 8 times */
  76     __asm__ volatile (
  77     "1:                                                 \n\t"
  78         "sw     $0,            0(%[p_x1_low])           \n\t"
  79         "sw     $0,            4(%[p_x1_low])           \n\t"
  80         "sw     $0,            8(%[p_x1_low])           \n\t"
  81         "sw     $0,            12(%[p_x1_low])          \n\t"
  82         "sw     $0,            16(%[p_x1_low])          \n\t"
  83         "sw     $0,            20(%[p_x1_low])          \n\t"
  84         "sw     $0,            24(%[p_x1_low])          \n\t"
  85         "sw     $0,            28(%[p_x1_low])          \n\t"
  86         PTR_ADDIU "%[p_x1_low],%[p_x1_low],      32     \n\t"
  87         "bne    %[p_x1_low],   %[loop_end],      1b     \n\t"
  88         PTR_ADDIU "%[p_x1_low],%[p_x1_low],      -10240 \n\t"
  89
  90         : [p_x1_low]"+r"(p_x1_low)
  91         : [loop_end]"r"(loop_end)
  92         : "memory"
  93     );
  94
  95     for (k = 0; k < sbr->kx[1]; k++) {
  96         for (i = 0; i < 32; i+=4) {
  97             /* loop unrolled 4 times */
  98             __asm__ volatile (
  99                 "lw     %[temp0],   0(%[p_w])               \n\t"
 100                 "lw     %[temp1],   4(%[p_w])               \n\t"
 101                 "lw     %[temp2],   256(%[p_w])             \n\t"
 102                 "lw     %[temp3],   260(%[p_w])             \n\t"
 103                 "lw     %[temp4],   512(%[p_w])             \n\t"
 104                 "lw     %[temp5],   516(%[p_w])             \n\t"
 105                 "lw     %[temp6],   768(%[p_w])             \n\t"
 106                 "lw     %[temp7],   772(%[p_w])             \n\t"
 107                 "sw     %[temp0],   0(%[p_x_low])           \n\t"
 108                 "sw     %[temp1],   4(%[p_x_low])           \n\t"
 109                 "sw     %[temp2],   8(%[p_x_low])           \n\t"
 110                 "sw     %[temp3],   12(%[p_x_low])          \n\t"
 111                 "sw     %[temp4],   16(%[p_x_low])          \n\t"
 112                 "sw     %[temp5],   20(%[p_x_low])          \n\t"
 113                 "sw     %[temp6],   24(%[p_x_low])          \n\t"
 114                 "sw     %[temp7],   28(%[p_x_low])          \n\t"
 115                 PTR_ADDIU "%[p_x_low], %[p_x_low],  32      \n\t"
 116                 PTR_ADDIU "%[p_w],     %[p_w],      1024    \n\t"
 117
 118                 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
 119                   [temp2]"=&r"(temp2), [temp3]"=&r"(temp3),
 120                   [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
 121                   [temp6]"=&r"(temp6), [temp7]"=&r"(temp7),
 122                   [p_w]"+r"(p_w), [p_x_low]"+r"(p_x_low)
 123                 :
 124                 : "memory"
 125             );
 126         }
 127         p_x_low += 16;
 128         p_w -= 2046;
 129     }
 130
 131     for (k = 0; k < sbr->kx[0]; k++) {
 132         for (i = 0; i < 2; i++) {
 133
 134             /* loop unrolled 4 times */
 135             __asm__ volatile (
 136                 "lw     %[temp0],    0(%[p_w1])             \n\t"
 137                 "lw     %[temp1],    4(%[p_w1])             \n\t"
 138                 "lw     %[temp2],    256(%[p_w1])           \n\t"
 139                 "lw     %[temp3],    260(%[p_w1])           \n\t"
 140                 "lw     %[temp4],    512(%[p_w1])           \n\t"
 141                 "lw     %[temp5],    516(%[p_w1])           \n\t"
 142                 "lw     %[temp6],    768(%[p_w1])           \n\t"
 143                 "lw     %[temp7],    772(%[p_w1])           \n\t"
 144                 "sw     %[temp0],    0(%[p_x1_low])         \n\t"
 145                 "sw     %[temp1],    4(%[p_x1_low])         \n\t"
 146                 "sw     %[temp2],    8(%[p_x1_low])         \n\t"
 147                 "sw     %[temp3],    12(%[p_x1_low])        \n\t"
 148                 "sw     %[temp4],    16(%[p_x1_low])        \n\t"
 149                 "sw     %[temp5],    20(%[p_x1_low])        \n\t"
 150                 "sw     %[temp6],    24(%[p_x1_low])        \n\t"
 151                 "sw     %[temp7],    28(%[p_x1_low])        \n\t"
 152                 PTR_ADDIU "%[p_x1_low], %[p_x1_low], 32     \n\t"
 153                 PTR_ADDIU "%[p_w1],     %[p_w1],     1024   \n\t"
 154
 155                 : [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
 156                   [temp2]"=&r"(temp2), [temp3]"=&r"(temp3),
 157                   [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
 158                   [temp6]"=&r"(temp6), [temp7]"=&r"(temp7),
 159                   [p_w1]"+r"(p_w1), [p_x1_low]"+r"(p_x1_low)
 160                 :
 161                 : "memory"
 162             );
 163         }
 164         p_x1_low += 64;
 165         p_w1 -= 510;
 166     }
 167     return 0;
 168 }
 169
 170 static int sbr_x_gen_mips(SpectralBandReplication *sbr, float X[2][38][64],
 171                      const float Y0[38][64][2], const float Y1[38][64][2],
 172                      const float X_low[32][40][2], int ch)
 173 {
 174     int k, i;
 175     const int i_f = 32;
 176     int temp0, temp1, temp2, temp3;
 177     const float *X_low1, *Y01, *Y11;
 178     float *x1=&X[0][0][0];
 179     float *j=x1+4864;
 180     const int i_Temp = FFMAX(2*sbr->data[ch].t_env_num_env_old - i_f, 0);
 181
 182     /* loop unrolled 8 times */
 183     __asm__ volatile (
 184     "1:                                       \n\t"
 185         "sw     $0,      0(%[x1])             \n\t"
 186         "sw     $0,      4(%[x1])             \n\t"
 187         "sw     $0,      8(%[x1])             \n\t"
 188         "sw     $0,      12(%[x1])            \n\t"
 189         "sw     $0,      16(%[x1])            \n\t"
 190         "sw     $0,      20(%[x1])            \n\t"
 191         "sw     $0,      24(%[x1])            \n\t"
 192         "sw     $0,      28(%[x1])            \n\t"
 193         PTR_ADDIU "%[x1],%[x1],      32       \n\t"
 194         "bne    %[x1],   %[j],       1b       \n\t"
 195         PTR_ADDIU "%[x1],%[x1],      -19456   \n\t"
 196
 197         : [x1]"+r"(x1)
 198         : [j]"r"(j)
 199         : "memory"
 200     );
 201
 202     if (i_Temp != 0) {
 203
 204         X_low1=&X_low[0][2][0];
 205
 206         for (k = 0; k < sbr->kx[0]; k++) {
 207
 208             __asm__ volatile (
 209                 "move    %[i],        $zero                  \n\t"
 210             "2:                                              \n\t"
 211                 "lw      %[temp0],    0(%[X_low1])           \n\t"
 212                 "lw      %[temp1],    4(%[X_low1])           \n\t"
 213                 "sw      %[temp0],    0(%[x1])               \n\t"
 214                 "sw      %[temp1],    9728(%[x1])            \n\t"
 215                 PTR_ADDIU "%[x1],     %[x1],         256     \n\t"
 216                 PTR_ADDIU "%[X_low1], %[X_low1],     8       \n\t"
 217                 "addiu   %[i],        %[i],          1       \n\t"
 218                 "bne     %[i],        %[i_Temp],     2b      \n\t"
 219
 220                 : [x1]"+r"(x1), [X_low1]"+r"(X_low1), [i]"=&r"(i),
 221                   [temp0]"=&r"(temp0), [temp1]"=&r"(temp1)
 222                 : [i_Temp]"r"(i_Temp)
 223                 : "memory"
 224             );
 225             x1-=(i_Temp<<6)-1;
 226             X_low1-=(i_Temp<<1)-80;
 227         }
 228
 229         x1=&X[0][0][k];
 230         Y01=(float*)&Y0[32][k][0];
 231
 232         for (; k < sbr->kx[0] + sbr->m[0]; k++) {
 233             __asm__ volatile (
 234                 "move    %[i],       $zero               \n\t"
 235             "3:                                          \n\t"
 236                 "lw      %[temp0],   0(%[Y01])           \n\t"
 237                 "lw      %[temp1],   4(%[Y01])           \n\t"
 238                 "sw      %[temp0],   0(%[x1])            \n\t"
 239                 "sw      %[temp1],   9728(%[x1])         \n\t"
 240                 PTR_ADDIU "%[x1],    %[x1],      256     \n\t"
 241                 PTR_ADDIU "%[Y01],   %[Y01],     512     \n\t"
 242                 "addiu   %[i],       %[i],       1       \n\t"
 243                 "bne     %[i],       %[i_Temp],  3b      \n\t"
 244
 245                 : [x1]"+r"(x1), [Y01]"+r"(Y01), [i]"=&r"(i),
 246                   [temp0]"=&r"(temp0), [temp1]"=&r"(temp1)
 247                 : [i_Temp]"r"(i_Temp)
 248                 : "memory"
 249             );
 250             x1 -=(i_Temp<<6)-1;
 251             Y01 -=(i_Temp<<7)-2;
 252         }
 253     }
 254
 255     x1=&X[0][i_Temp][0];
 256     X_low1=&X_low[0][i_Temp+2][0];
 257     temp3=38;
 258
 259     for (k = 0; k < sbr->kx[1]; k++) {
 260
 261         __asm__ volatile (
 262             "move    %[i],       %[i_Temp]              \n\t"
 263         "4:                                             \n\t"
 264             "lw      %[temp0],   0(%[X_low1])           \n\t"
 265             "lw      %[temp1],   4(%[X_low1])           \n\t"
 266             "sw      %[temp0],   0(%[x1])               \n\t"
 267             "sw      %[temp1],   9728(%[x1])            \n\t"
 268             PTR_ADDIU "%[x1],    %[x1],         256     \n\t"
 269             PTR_ADDIU "%[X_low1],%[X_low1],     8       \n\t"
 270             "addiu   %[i],       %[i],          1       \n\t"
 271             "bne     %[i],       %[temp3],      4b      \n\t"
 272
 273             : [x1]"+r"(x1), [X_low1]"+r"(X_low1), [i]"=&r"(i),
 274               [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
 275               [temp2]"=&r"(temp2)
 276             : [i_Temp]"r"(i_Temp), [temp3]"r"(temp3)
 277             : "memory"
 278         );
 279         x1 -= ((38-i_Temp)<<6)-1;
 280         X_low1 -= ((38-i_Temp)<<1)- 80;
 281     }
 282
 283     x1=&X[0][i_Temp][k];
 284     Y11=&Y1[i_Temp][k][0];
 285     temp2=32;
 286
 287     for (; k < sbr->kx[1] + sbr->m[1]; k++) {
 288
 289         __asm__ volatile (
 290            "move    %[i],       %[i_Temp]               \n\t"
 291         "5:                                             \n\t"
 292            "lw      %[temp0],   0(%[Y11])               \n\t"
 293            "lw      %[temp1],   4(%[Y11])               \n\t"
 294            "sw      %[temp0],   0(%[x1])                \n\t"
 295            "sw      %[temp1],   9728(%[x1])             \n\t"
 296            PTR_ADDIU "%[x1],    %[x1],          256     \n\t"
 297            PTR_ADDIU "%[Y11],   %[Y11],         512     \n\t"
 298            "addiu   %[i],       %[i],           1       \n\t"
 299            "bne     %[i],       %[temp2],       5b      \n\t"
 300
 301            : [x1]"+r"(x1), [Y11]"+r"(Y11), [i]"=&r"(i),
 302              [temp0]"=&r"(temp0), [temp1]"=&r"(temp1)
 303            : [i_Temp]"r"(i_Temp), [temp3]"r"(temp3),
 304              [temp2]"r"(temp2)
 305            : "memory"
 306         );
 307
 308         x1 -= ((32-i_Temp)<<6)-1;
 309         Y11 -= ((32-i_Temp)<<7)-2;
 310    }
 311       return 0;
 312 }
 313
 314 #if !HAVE_MIPS32R6 && !HAVE_MIPS64R6
 315 static void sbr_hf_assemble_mips(float Y1[38][64][2],
 316                             const float X_high[64][40][2],
 317                             SpectralBandReplication *sbr, SBRData *ch_data,
 318                             const int e_a[2])
 319 {
 320     int e, i, j, m;
 321     const int h_SL = 4 * !sbr->bs_smoothing_mode;
 322     const int kx = sbr->kx[1];
 323     const int m_max = sbr->m[1];
 324     static const float h_smooth[5] = {
 325         0.33333333333333,
 326         0.30150283239582,
 327         0.21816949906249,
 328         0.11516383427084,
 329         0.03183050093751,
 330     };
 331
 332     float (*g_temp)[48] = ch_data->g_temp, (*q_temp)[48] = ch_data->q_temp;
 333     int indexnoise = ch_data->f_indexnoise;
 334     int indexsine  = ch_data->f_indexsine;
 335     float *g_temp1, *q_temp1, *pok, *pok1;
 336     uint32_t temp1, temp2, temp3, temp4;
 337     int size = m_max;
 338
 339     if (sbr->reset) {
 340         for (i = 0; i < h_SL; i++) {
 341             memcpy(g_temp[i + 2*ch_data->t_env[0]], sbr->gain[0], m_max * sizeof(sbr->gain[0][0]));
 342             memcpy(q_temp[i + 2*ch_data->t_env[0]], sbr->q_m[0],  m_max * sizeof(sbr->q_m[0][0]));
 343         }
 344     } else if (h_SL) {
 345         memcpy(g_temp[2*ch_data->t_env[0]], g_temp[2*ch_data->t_env_num_env_old], 4*sizeof(g_temp[0]));
 346         memcpy(q_temp[2*ch_data->t_env[0]], q_temp[2*ch_data->t_env_num_env_old], 4*sizeof(q_temp[0]));
 347     }
 348
 349     for (e = 0; e < ch_data->bs_num_env; e++) {
 350         for (i = 2 * ch_data->t_env[e]; i < 2 * ch_data->t_env[e + 1]; i++) {
 351             g_temp1 = g_temp[h_SL + i];
 352             pok = sbr->gain[e];
 353             q_temp1 = q_temp[h_SL + i];
 354             pok1 = sbr->q_m[e];
 355
 356             /* loop unrolled 4 times */
 357             for (j=0; j<(size>>2); j++) {
 358                 __asm__ volatile (
 359                     "lw      %[temp1],   0(%[pok])               \n\t"
 360                     "lw      %[temp2],   4(%[pok])               \n\t"
 361                     "lw      %[temp3],   8(%[pok])               \n\t"
 362                     "lw      %[temp4],   12(%[pok])              \n\t"
 363                     "sw      %[temp1],   0(%[g_temp1])           \n\t"
 364                     "sw      %[temp2],   4(%[g_temp1])           \n\t"
 365                     "sw      %[temp3],   8(%[g_temp1])           \n\t"
 366                     "sw      %[temp4],   12(%[g_temp1])          \n\t"
 367                     "lw      %[temp1],   0(%[pok1])              \n\t"
 368                     "lw      %[temp2],   4(%[pok1])              \n\t"
 369                     "lw      %[temp3],   8(%[pok1])              \n\t"
 370                     "lw      %[temp4],   12(%[pok1])             \n\t"
 371                     "sw      %[temp1],   0(%[q_temp1])           \n\t"
 372                     "sw      %[temp2],   4(%[q_temp1])           \n\t"
 373                     "sw      %[temp3],   8(%[q_temp1])           \n\t"
 374                     "sw      %[temp4],   12(%[q_temp1])          \n\t"
 375                     PTR_ADDIU "%[pok],     %[pok],         16    \n\t"
 376                     PTR_ADDIU "%[g_temp1], %[g_temp1],     16    \n\t"
 377                     PTR_ADDIU "%[pok1],    %[pok1],        16    \n\t"
 378                     PTR_ADDIU "%[q_temp1], %[q_temp1],     16    \n\t"
 379
 380                     : [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
 381                       [temp3]"=&r"(temp3), [temp4]"=&r"(temp4),
 382                       [pok]"+r"(pok), [g_temp1]"+r"(g_temp1),
 383                       [pok1]"+r"(pok1), [q_temp1]"+r"(q_temp1)
 384                     :
 385                     : "memory"
 386                 );
 387             }
 388
 389             for (j=0; j<(size&3); j++) {
 390                 __asm__ volatile (
 391                     "lw      %[temp1],   0(%[pok])              \n\t"
 392                     "lw      %[temp2],   0(%[pok1])             \n\t"
 393                     "sw      %[temp1],   0(%[g_temp1])          \n\t"
 394                     "sw      %[temp2],   0(%[q_temp1])          \n\t"
 395                     PTR_ADDIU "%[pok],     %[pok],        4     \n\t"
 396                     PTR_ADDIU "%[g_temp1], %[g_temp1],    4     \n\t"
 397                     PTR_ADDIU "%[pok1],    %[pok1],       4     \n\t"
 398                     PTR_ADDIU "%[q_temp1], %[q_temp1],    4     \n\t"
 399
 400                     : [temp1]"=&r"(temp1), [temp2]"=&r"(temp2),
 401                       [temp3]"=&r"(temp3), [temp4]"=&r"(temp4),
 402                       [pok]"+r"(pok), [g_temp1]"+r"(g_temp1),
 403                       [pok1]"+r"(pok1), [q_temp1]"+r"(q_temp1)
 404                     :
 405                     : "memory"
 406                 );
 407             }
 408         }
 409     }
 410
 411     for (e = 0; e < ch_data->bs_num_env; e++) {
 412         for (i = 2 * ch_data->t_env[e]; i < 2 * ch_data->t_env[e + 1]; i++) {
 413             LOCAL_ALIGNED_16(float, g_filt_tab, [48]);
 414             LOCAL_ALIGNED_16(float, q_filt_tab, [48]);
 415             float *g_filt, *q_filt;
 416
 417             if (h_SL && e != e_a[0] && e != e_a[1]) {
 418                 g_filt = g_filt_tab;
 419                 q_filt = q_filt_tab;
 420
 421                 for (m = 0; m < m_max; m++) {
 422                     const int idx1 = i + h_SL;
 423                     g_filt[m] = 0.0f;
 424                     q_filt[m] = 0.0f;
 425
 426                     for (j = 0; j <= h_SL; j++) {
 427                         g_filt[m] += g_temp[idx1 - j][m] * h_smooth[j];
 428                         q_filt[m] += q_temp[idx1 - j][m] * h_smooth[j];
 429                     }
 430                 }
 431             } else {
 432                 g_filt = g_temp[i + h_SL];
 433                 q_filt = q_temp[i];
 434             }
 435
 436             sbr->dsp.hf_g_filt(Y1[i] + kx, X_high + kx, g_filt, m_max,
 437                                i + ENVELOPE_ADJUSTMENT_OFFSET);
 438
 439             if (e != e_a[0] && e != e_a[1]) {
 440                 sbr->dsp.hf_apply_noise[indexsine](Y1[i] + kx, sbr->s_m[e],
 441                                                    q_filt, indexnoise,
 442                                                    kx, m_max);
 443             } else {
 444                 int idx = indexsine&1;
 445                 int A = (1-((indexsine+(kx & 1))&2));
 446                 int B = (A^(-idx)) + idx;
 447                 float *out = &Y1[i][kx][idx];
 448                 float *in  = sbr->s_m[e];
 449                 float temp0, temp1, temp2, temp3, temp4, temp5;
 450                 float A_f = (float)A;
 451                 float B_f = (float)B;
 452
 453                 for (m = 0; m+1 < m_max; m+=2) {
 454
 455                     temp2 = out[0];
 456                     temp3 = out[2];
 457
 458                     __asm__ volatile(
 459                         "lwc1    %[temp0],  0(%[in])                     \n\t"
 460                         "lwc1    %[temp1],  4(%[in])                     \n\t"
 461                         "madd.s  %[temp4],  %[temp2],  %[temp0], %[A_f]  \n\t"
 462                         "madd.s  %[temp5],  %[temp3],  %[temp1], %[B_f]  \n\t"
 463                         "swc1    %[temp4],  0(%[out])                    \n\t"
 464                         "swc1    %[temp5],  8(%[out])                    \n\t"
 465                         PTR_ADDIU "%[in],   %[in],     8                 \n\t"
 466                         PTR_ADDIU "%[out],  %[out],    16                \n\t"
 467
 468                         : [temp0]"=&f" (temp0), [temp1]"=&f"(temp1),
 469                           [temp4]"=&f" (temp4), [temp5]"=&f"(temp5),
 470                           [in]"+r"(in), [out]"+r"(out)
 471                         : [A_f]"f"(A_f), [B_f]"f"(B_f), [temp2]"f"(temp2),
 472                           [temp3]"f"(temp3)
 473                         : "memory"
 474                     );
 475                 }
 476                 if(m_max&1)
 477                     out[2*m  ] += in[m  ] * A;
 478             }
 479             indexnoise = (indexnoise + m_max) & 0x1ff;
 480             indexsine = (indexsine + 1) & 3;
 481         }
 482     }
 483     ch_data->f_indexnoise = indexnoise;
 484     ch_data->f_indexsine  = indexsine;
 485 }
 486
 487 static void sbr_hf_inverse_filter_mips(SBRDSPContext *dsp,
 488                                   float (*alpha0)[2], float (*alpha1)[2],
 489                                   const float X_low[32][40][2], int k0)
 490 {
 491     int k;
 492     float temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7, c;
 493     float *phi1, *alpha_1, *alpha_0, res1, res2, temp_real, temp_im;
 494
 495     c = 1.000001f;
 496
 497     for (k = 0; k < k0; k++) {
 498         LOCAL_ALIGNED_16(float, phi, [3], [2][2]);
 499         float dk;
 500         phi1 = &phi[0][0][0];
 501         alpha_1 = &alpha1[k][0];
 502         alpha_0 = &alpha0[k][0];
 503         dsp->autocorrelate(X_low[k], phi);
 504
 505         __asm__ volatile (
 506             "lwc1    %[temp0],  40(%[phi1])                       \n\t"
 507             "lwc1    %[temp1],  16(%[phi1])                       \n\t"
 508             "lwc1    %[temp2],  24(%[phi1])                       \n\t"
 509             "lwc1    %[temp3],  28(%[phi1])                       \n\t"
 510             "mul.s   %[dk],     %[temp0],    %[temp1]             \n\t"
 511             "lwc1    %[temp4],  0(%[phi1])                        \n\t"
 512             "mul.s   %[res2],   %[temp2],    %[temp2]             \n\t"
 513             "lwc1    %[temp5],  4(%[phi1])                        \n\t"
 514             "madd.s  %[res2],   %[res2],     %[temp3],  %[temp3]  \n\t"
 515             "lwc1    %[temp6],  8(%[phi1])                        \n\t"
 516             "div.s   %[res2],   %[res2],     %[c]                 \n\t"
 517             "lwc1    %[temp0],  12(%[phi1])                       \n\t"
 518             "sub.s   %[dk],     %[dk],       %[res2]              \n\t"
 519
 520             : [temp0]"=&f"(temp0), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2),
 521               [temp3]"=&f"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5),
 522               [temp6]"=&f"(temp6), [res2]"=&f"(res2), [dk]"=&f"(dk)
 523             : [phi1]"r"(phi1), [c]"f"(c)
 524             : "memory"
 525         );
 526
 527         if (!dk) {
 528             alpha_1[0] = 0;
 529             alpha_1[1] = 0;
 530         } else {
 531             __asm__ volatile (
 532                 "mul.s   %[temp_real], %[temp4],     %[temp2]            \n\t"
 533                 "nmsub.s %[temp_real], %[temp_real], %[temp5], %[temp3]  \n\t"
 534                 "nmsub.s %[temp_real], %[temp_real], %[temp6], %[temp1]  \n\t"
 535                 "mul.s   %[temp_im],   %[temp4],     %[temp3]            \n\t"
 536                 "madd.s  %[temp_im],   %[temp_im],   %[temp5], %[temp2]  \n\t"
 537                 "nmsub.s %[temp_im],   %[temp_im],   %[temp0], %[temp1]  \n\t"
 538                 "div.s   %[temp_real], %[temp_real], %[dk]               \n\t"
 539                 "div.s   %[temp_im],   %[temp_im],   %[dk]               \n\t"
 540                 "swc1    %[temp_real], 0(%[alpha_1])                     \n\t"
 541                 "swc1    %[temp_im],   4(%[alpha_1])                     \n\t"
 542
 543                 : [temp_real]"=&f" (temp_real), [temp_im]"=&f"(temp_im)
 544                 : [phi1]"r"(phi1), [temp0]"f"(temp0), [temp1]"f"(temp1),
 545                   [temp2]"f"(temp2), [temp3]"f"(temp3), [temp4]"f"(temp4),
 546                   [temp5]"f"(temp5), [temp6]"f"(temp6),
 547                   [alpha_1]"r"(alpha_1), [dk]"f"(dk)
 548                 : "memory"
 549             );
 550         }
 551
 552         if (!phi1[4]) {
 553             alpha_0[0] = 0;
 554             alpha_0[1] = 0;
 555         } else {
 556             __asm__ volatile (
 557                 "lwc1    %[temp6],     0(%[alpha_1])                     \n\t"
 558                 "lwc1    %[temp7],     4(%[alpha_1])                     \n\t"
 559                 "mul.s   %[temp_real], %[temp6],     %[temp2]            \n\t"
 560                 "add.s   %[temp_real], %[temp_real], %[temp4]            \n\t"
 561                 "madd.s  %[temp_real], %[temp_real], %[temp7], %[temp3]  \n\t"
 562                 "mul.s   %[temp_im],   %[temp7],     %[temp2]            \n\t"
 563                 "add.s   %[temp_im],   %[temp_im],   %[temp5]            \n\t"
 564                 "nmsub.s %[temp_im],   %[temp_im],   %[temp6], %[temp3]  \n\t"
 565                 "div.s   %[temp_real], %[temp_real], %[temp1]            \n\t"
 566                 "div.s   %[temp_im],   %[temp_im],   %[temp1]            \n\t"
 567                 "neg.s   %[temp_real], %[temp_real]                      \n\t"
 568                 "neg.s   %[temp_im],   %[temp_im]                        \n\t"
 569                 "swc1    %[temp_real], 0(%[alpha_0])                     \n\t"
 570                 "swc1    %[temp_im],   4(%[alpha_0])                     \n\t"
 571
 572                 : [temp_real]"=&f"(temp_real), [temp_im]"=&f"(temp_im),
 573                   [temp6]"=&f"(temp6), [temp7]"=&f"(temp7),
 574                   [res1]"=&f"(res1), [res2]"=&f"(res2)
 575                 : [alpha_1]"r"(alpha_1), [alpha_0]"r"(alpha_0),
 576                   [temp0]"f"(temp0), [temp1]"f"(temp1), [temp2]"f"(temp2),
 577                   [temp3]"f"(temp3), [temp4]"f"(temp4), [temp5]"f"(temp5)
 578                 : "memory"
 579             );
 580         }
 581
 582         __asm__ volatile (
 583             "lwc1    %[temp1],      0(%[alpha_1])                           \n\t"
 584             "lwc1    %[temp2],      4(%[alpha_1])                           \n\t"
 585             "lwc1    %[temp_real],  0(%[alpha_0])                           \n\t"
 586             "lwc1    %[temp_im],    4(%[alpha_0])                           \n\t"
 587             "mul.s   %[res1],       %[temp1],      %[temp1]                 \n\t"
 588             "madd.s  %[res1],       %[res1],       %[temp2],    %[temp2]    \n\t"
 589             "mul.s   %[res2],       %[temp_real],  %[temp_real]             \n\t"
 590             "madd.s  %[res2],       %[res2],       %[temp_im],  %[temp_im]  \n\t"
 591
 592             : [temp_real]"=&f"(temp_real), [temp_im]"=&f"(temp_im),
 593               [temp1]"=&f"(temp1), [temp2]"=&f"(temp2),
 594               [res1]"=&f"(res1), [res2]"=&f"(res2)
 595             : [alpha_1]"r"(alpha_1), [alpha_0]"r"(alpha_0)
 596             : "memory"
 597         );
 598
 599         if (res1 >= 16.0f || res2 >= 16.0f) {
 600             alpha_1[0] = 0;
 601             alpha_1[1] = 0;
 602             alpha_0[0] = 0;
 603             alpha_0[1] = 0;
 604         }
 605     }
 606 }
 607 #endif /* !HAVE_MIPS32R6 && !HAVE_MIPS64R6 */
 608 #endif /* HAVE_MIPSFPU */
 609 #endif /* HAVE_INLINE_ASM */
 610
 611 void ff_aacsbr_func_ptr_init_mips(AACSBRContext *c)
 612 {
 613 #if HAVE_INLINE_ASM
 614 #if HAVE_MIPSFPU
 615     c->sbr_lf_gen            = sbr_lf_gen_mips;
 616     c->sbr_x_gen             = sbr_x_gen_mips;
 617 #if !HAVE_MIPS32R6 && !HAVE_MIPS64R6
 618     c->sbr_hf_inverse_filter = sbr_hf_inverse_filter_mips;
 619     c->sbr_hf_assemble       = sbr_hf_assemble_mips;
 620 #endif /* !HAVE_MIPS32R6 && !HAVE_MIPS64R6 */
 621 #endif /* HAVE_MIPSFPU */
 622 #endif /* HAVE_INLINE_ASM */
 623 }