aacsbr_mips.h
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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 #ifndef AVCODEC_MIPS_AACSBR_FLOAT_H
55 #define AVCODEC_MIPS_AACSBR_FLOAT_H
56 
57 #include "libavcodec/aac.h"
58 #include "libavcodec/sbr.h"
59 
60 #if HAVE_INLINE_ASM
61 static void sbr_qmf_analysis_mips(AVFloatDSPContext *fdsp, FFTContext *mdct,
62  SBRDSPContext *sbrdsp, const float *in, float *x,
63  float z[320], float W[2][32][32][2], int buf_idx)
64 {
65  int i;
66  float *w0;
67  float *w1;
68  int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
69 
70  w0 = x;
71  w1 = x + 1024;
72  for(i = 0; i < 36; i++)
73  {
74  /* loop unrolled 8 times */
75  __asm__ volatile(
76  "lw %[temp0], 0(%[w1]) \n\t"
77  "lw %[temp1], 4(%[w1]) \n\t"
78  "lw %[temp2], 8(%[w1]) \n\t"
79  "lw %[temp3], 12(%[w1]) \n\t"
80  "lw %[temp4], 16(%[w1]) \n\t"
81  "lw %[temp5], 20(%[w1]) \n\t"
82  "lw %[temp6], 24(%[w1]) \n\t"
83  "lw %[temp7], 28(%[w1]) \n\t"
84  "sw %[temp0], 0(%[w0]) \n\t"
85  "sw %[temp1], 4(%[w0]) \n\t"
86  "sw %[temp2], 8(%[w0]) \n\t"
87  "sw %[temp3], 12(%[w0]) \n\t"
88  "sw %[temp4], 16(%[w0]) \n\t"
89  "sw %[temp5], 20(%[w0]) \n\t"
90  "sw %[temp6], 24(%[w0]) \n\t"
91  "sw %[temp7], 28(%[w0]) \n\t"
92  "addiu %[w0], %[w0], 32 \n\t"
93  "addiu %[w1], %[w1], 32 \n\t"
94 
95  : [w0]"+r"(w0), [w1]"+r"(w1),
96  [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
97  [temp2]"=&r"(temp2), [temp3]"=&r"(temp3),
98  [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
99  [temp6]"=&r"(temp6), [temp7]"=&r"(temp7)
100  :
101  : "memory"
102  );
103  }
104 
105  w0 = x + 288;
106  w1 = (float*)in;
107  for(i = 0; i < 128; i++)
108  {
109  /* loop unrolled 8 times */
110  __asm__ volatile(
111  "lw %[temp0], 0(%[w1]) \n\t"
112  "lw %[temp1], 4(%[w1]) \n\t"
113  "lw %[temp2], 8(%[w1]) \n\t"
114  "lw %[temp3], 12(%[w1]) \n\t"
115  "lw %[temp4], 16(%[w1]) \n\t"
116  "lw %[temp5], 20(%[w1]) \n\t"
117  "lw %[temp6], 24(%[w1]) \n\t"
118  "lw %[temp7], 28(%[w1]) \n\t"
119  "sw %[temp0], 0(%[w0]) \n\t"
120  "sw %[temp1], 4(%[w0]) \n\t"
121  "sw %[temp2], 8(%[w0]) \n\t"
122  "sw %[temp3], 12(%[w0]) \n\t"
123  "sw %[temp4], 16(%[w0]) \n\t"
124  "sw %[temp5], 20(%[w0]) \n\t"
125  "sw %[temp6], 24(%[w0]) \n\t"
126  "sw %[temp7], 28(%[w0]) \n\t"
127  "addiu %[w0], %[w0], 32 \n\t"
128  "addiu %[w1], %[w1], 32 \n\t"
129 
130  : [w0]"+r"(w0), [w1]"+r"(w1),
131  [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
132  [temp2]"=&r"(temp2), [temp3]"=&r"(temp3),
133  [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
134  [temp6]"=&r"(temp6), [temp7]"=&r"(temp7)
135  :
136  : "memory"
137  );
138  }
139 
140  for (i = 0; i < 32; i++) { // numTimeSlots*RATE = 16*2 as 960 sample frames
141  // are not supported
142  fdsp->vector_fmul_reverse(z, sbr_qmf_window_ds, x, 320);
143  sbrdsp->sum64x5(z);
144  sbrdsp->qmf_pre_shuffle(z);
145  mdct->imdct_half(mdct, z, z+64);
146  sbrdsp->qmf_post_shuffle(W[buf_idx][i], z);
147  x += 32;
148  }
149 }
150 
151 #if HAVE_MIPSFPU
152 static void sbr_qmf_synthesis_mips(FFTContext *mdct,
153  SBRDSPContext *sbrdsp, AVFloatDSPContext *fdsp,
154  float *out, float X[2][38][64],
155  float mdct_buf[2][64],
156  float *v0, int *v_off, const unsigned int div)
157 {
158  int i, n;
159  const float *sbr_qmf_window = div ? sbr_qmf_window_ds : sbr_qmf_window_us;
160  const int step = 128 >> div;
161  float *v;
162  float temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8, temp9, temp10, temp11, temp12, temp13;
163  float temp14, temp15, temp16, temp17, temp18, temp19;
164  float *vv0, *s0, *dst;
165  dst = out;
166 
167  for (i = 0; i < 32; i++) {
168  if (*v_off < step) {
169  int saved_samples = (1280 - 128) >> div;
170  memcpy(&v0[SBR_SYNTHESIS_BUF_SIZE - saved_samples], v0, saved_samples * sizeof(float));
171  *v_off = SBR_SYNTHESIS_BUF_SIZE - saved_samples - step;
172  } else {
173  *v_off -= step;
174  }
175  v = v0 + *v_off;
176  if (div) {
177  for (n = 0; n < 32; n++) {
178  X[0][i][ n] = -X[0][i][n];
179  X[0][i][32+n] = X[1][i][31-n];
180  }
181  mdct->imdct_half(mdct, mdct_buf[0], X[0][i]);
182  sbrdsp->qmf_deint_neg(v, mdct_buf[0]);
183  } else {
184  sbrdsp->neg_odd_64(X[1][i]);
185  mdct->imdct_half(mdct, mdct_buf[0], X[0][i]);
186  mdct->imdct_half(mdct, mdct_buf[1], X[1][i]);
187  sbrdsp->qmf_deint_bfly(v, mdct_buf[1], mdct_buf[0]);
188  }
189 
190  if(div == 0)
191  {
192  float *v0_end;
193  vv0 = v;
194  v0_end = v + 60;
195  s0 = (float*)sbr_qmf_window;
196 
197  /* 10 calls of function vector_fmul_add merged into one loop
198  and loop unrolled 4 times */
199  __asm__ volatile(
200  ".set push \n\t"
201  ".set noreorder \n\t"
202  "lwc1 %[temp4], 0(%[v0]) \n\t"
203  "lwc1 %[temp5], 0(%[s0]) \n\t"
204  "lwc1 %[temp6], 4(%[v0]) \n\t"
205  "lwc1 %[temp7], 4(%[s0]) \n\t"
206  "lwc1 %[temp8], 8(%[v0]) \n\t"
207  "lwc1 %[temp9], 8(%[s0]) \n\t"
208  "lwc1 %[temp10], 12(%[v0]) \n\t"
209  "lwc1 %[temp11], 12(%[s0]) \n\t"
210  "lwc1 %[temp12], 768(%[v0]) \n\t"
211  "lwc1 %[temp13], 256(%[s0]) \n\t"
212  "lwc1 %[temp14], 772(%[v0]) \n\t"
213  "lwc1 %[temp15], 260(%[s0]) \n\t"
214  "lwc1 %[temp16], 776(%[v0]) \n\t"
215  "lwc1 %[temp17], 264(%[s0]) \n\t"
216  "lwc1 %[temp18], 780(%[v0]) \n\t"
217  "lwc1 %[temp19], 268(%[s0]) \n\t"
218  "1: \n\t"
219  "mul.s %[temp0], %[temp4], %[temp5] \n\t"
220  "lwc1 %[temp4], 1024(%[v0]) \n\t"
221  "mul.s %[temp1], %[temp6], %[temp7] \n\t"
222  "lwc1 %[temp5], 512(%[s0]) \n\t"
223  "mul.s %[temp2], %[temp8], %[temp9] \n\t"
224  "lwc1 %[temp6], 1028(%[v0]) \n\t"
225  "mul.s %[temp3], %[temp10], %[temp11] \n\t"
226  "lwc1 %[temp7], 516(%[s0]) \n\t"
227  "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
228  "lwc1 %[temp8], 1032(%[v0]) \n\t"
229  "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
230  "lwc1 %[temp9], 520(%[s0]) \n\t"
231  "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
232  "lwc1 %[temp10], 1036(%[v0]) \n\t"
233  "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
234  "lwc1 %[temp11], 524(%[s0]) \n\t"
235  "lwc1 %[temp12], 1792(%[v0]) \n\t"
236  "lwc1 %[temp13], 768(%[s0]) \n\t"
237  "lwc1 %[temp14], 1796(%[v0]) \n\t"
238  "lwc1 %[temp15], 772(%[s0]) \n\t"
239  "lwc1 %[temp16], 1800(%[v0]) \n\t"
240  "lwc1 %[temp17], 776(%[s0]) \n\t"
241  "lwc1 %[temp18], 1804(%[v0]) \n\t"
242  "lwc1 %[temp19], 780(%[s0]) \n\t"
243  "madd.s %[temp0], %[temp0], %[temp4], %[temp5] \n\t"
244  "lwc1 %[temp4], 2048(%[v0]) \n\t"
245  "madd.s %[temp1], %[temp1], %[temp6], %[temp7] \n\t"
246  "lwc1 %[temp5], 1024(%[s0]) \n\t"
247  "madd.s %[temp2], %[temp2], %[temp8], %[temp9] \n\t"
248  "lwc1 %[temp6], 2052(%[v0]) \n\t"
249  "madd.s %[temp3], %[temp3], %[temp10], %[temp11] \n\t"
250  "lwc1 %[temp7], 1028(%[s0]) \n\t"
251  "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
252  "lwc1 %[temp8], 2056(%[v0]) \n\t"
253  "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
254  "lwc1 %[temp9], 1032(%[s0]) \n\t"
255  "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
256  "lwc1 %[temp10], 2060(%[v0]) \n\t"
257  "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
258  "lwc1 %[temp11], 1036(%[s0]) \n\t"
259  "lwc1 %[temp12], 2816(%[v0]) \n\t"
260  "lwc1 %[temp13], 1280(%[s0]) \n\t"
261  "lwc1 %[temp14], 2820(%[v0]) \n\t"
262  "lwc1 %[temp15], 1284(%[s0]) \n\t"
263  "lwc1 %[temp16], 2824(%[v0]) \n\t"
264  "lwc1 %[temp17], 1288(%[s0]) \n\t"
265  "lwc1 %[temp18], 2828(%[v0]) \n\t"
266  "lwc1 %[temp19], 1292(%[s0]) \n\t"
267  "madd.s %[temp0], %[temp0], %[temp4], %[temp5] \n\t"
268  "lwc1 %[temp4], 3072(%[v0]) \n\t"
269  "madd.s %[temp1], %[temp1], %[temp6], %[temp7] \n\t"
270  "lwc1 %[temp5], 1536(%[s0]) \n\t"
271  "madd.s %[temp2], %[temp2], %[temp8], %[temp9] \n\t"
272  "lwc1 %[temp6], 3076(%[v0]) \n\t"
273  "madd.s %[temp3], %[temp3], %[temp10], %[temp11] \n\t"
274  "lwc1 %[temp7], 1540(%[s0]) \n\t"
275  "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
276  "lwc1 %[temp8], 3080(%[v0]) \n\t"
277  "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
278  "lwc1 %[temp9], 1544(%[s0]) \n\t"
279  "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
280  "lwc1 %[temp10], 3084(%[v0]) \n\t"
281  "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
282  "lwc1 %[temp11], 1548(%[s0]) \n\t"
283  "lwc1 %[temp12], 3840(%[v0]) \n\t"
284  "lwc1 %[temp13], 1792(%[s0]) \n\t"
285  "lwc1 %[temp14], 3844(%[v0]) \n\t"
286  "lwc1 %[temp15], 1796(%[s0]) \n\t"
287  "lwc1 %[temp16], 3848(%[v0]) \n\t"
288  "lwc1 %[temp17], 1800(%[s0]) \n\t"
289  "lwc1 %[temp18], 3852(%[v0]) \n\t"
290  "lwc1 %[temp19], 1804(%[s0]) \n\t"
291  "madd.s %[temp0], %[temp0], %[temp4], %[temp5] \n\t"
292  "lwc1 %[temp4], 4096(%[v0]) \n\t"
293  "madd.s %[temp1], %[temp1], %[temp6], %[temp7] \n\t"
294  "lwc1 %[temp5], 2048(%[s0]) \n\t"
295  "madd.s %[temp2], %[temp2], %[temp8], %[temp9] \n\t"
296  "lwc1 %[temp6], 4100(%[v0]) \n\t"
297  "madd.s %[temp3], %[temp3], %[temp10], %[temp11] \n\t"
298  "lwc1 %[temp7], 2052(%[s0]) \n\t"
299  "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
300  "lwc1 %[temp8], 4104(%[v0]) \n\t"
301  "addiu %[dst], %[dst], 16 \n\t"
302  "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
303  "lwc1 %[temp9], 2056(%[s0]) \n\t"
304  "addiu %[s0], %[s0], 16 \n\t"
305  "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
306  "lwc1 %[temp10], 4108(%[v0]) \n\t"
307  "addiu %[v0], %[v0], 16 \n\t"
308  "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
309  "lwc1 %[temp11], 2044(%[s0]) \n\t"
310  "lwc1 %[temp12], 4848(%[v0]) \n\t"
311  "lwc1 %[temp13], 2288(%[s0]) \n\t"
312  "lwc1 %[temp14], 4852(%[v0]) \n\t"
313  "lwc1 %[temp15], 2292(%[s0]) \n\t"
314  "lwc1 %[temp16], 4856(%[v0]) \n\t"
315  "lwc1 %[temp17], 2296(%[s0]) \n\t"
316  "lwc1 %[temp18], 4860(%[v0]) \n\t"
317  "lwc1 %[temp19], 2300(%[s0]) \n\t"
318  "madd.s %[temp0], %[temp0], %[temp4], %[temp5] \n\t"
319  "lwc1 %[temp4], 0(%[v0]) \n\t"
320  "madd.s %[temp1], %[temp1], %[temp6], %[temp7] \n\t"
321  "lwc1 %[temp5], 0(%[s0]) \n\t"
322  "madd.s %[temp2], %[temp2], %[temp8], %[temp9] \n\t"
323  "lwc1 %[temp6], 4(%[v0]) \n\t"
324  "madd.s %[temp3], %[temp3], %[temp10], %[temp11] \n\t"
325  "lwc1 %[temp7], 4(%[s0]) \n\t"
326  "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
327  "lwc1 %[temp8], 8(%[v0]) \n\t"
328  "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
329  "lwc1 %[temp9], 8(%[s0]) \n\t"
330  "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
331  "lwc1 %[temp10], 12(%[v0]) \n\t"
332  "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
333  "lwc1 %[temp11], 12(%[s0]) \n\t"
334  "lwc1 %[temp12], 768(%[v0]) \n\t"
335  "lwc1 %[temp13], 256(%[s0]) \n\t"
336  "lwc1 %[temp14], 772(%[v0]) \n\t"
337  "lwc1 %[temp15], 260(%[s0]) \n\t"
338  "lwc1 %[temp16], 776(%[v0]) \n\t"
339  "lwc1 %[temp17], 264(%[s0]) \n\t"
340  "lwc1 %[temp18], 780(%[v0]) \n\t"
341  "lwc1 %[temp19], 268(%[s0]) \n\t"
342  "swc1 %[temp0], -16(%[dst]) \n\t"
343  "swc1 %[temp1], -12(%[dst]) \n\t"
344  "swc1 %[temp2], -8(%[dst]) \n\t"
345  "bne %[v0], %[v0_end], 1b \n\t"
346  " swc1 %[temp3], -4(%[dst]) \n\t"
347  "mul.s %[temp0], %[temp4], %[temp5] \n\t"
348  "lwc1 %[temp4], 1024(%[v0]) \n\t"
349  "mul.s %[temp1], %[temp6], %[temp7] \n\t"
350  "lwc1 %[temp5], 512(%[s0]) \n\t"
351  "mul.s %[temp2], %[temp8], %[temp9] \n\t"
352  "lwc1 %[temp6], 1028(%[v0]) \n\t"
353  "mul.s %[temp3], %[temp10], %[temp11] \n\t"
354  "lwc1 %[temp7], 516(%[s0]) \n\t"
355  "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
356  "lwc1 %[temp8], 1032(%[v0]) \n\t"
357  "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
358  "lwc1 %[temp9], 520(%[s0]) \n\t"
359  "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
360  "lwc1 %[temp10], 1036(%[v0]) \n\t"
361  "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
362  "lwc1 %[temp11], 524(%[s0]) \n\t"
363  "lwc1 %[temp12], 1792(%[v0]) \n\t"
364  "lwc1 %[temp13], 768(%[s0]) \n\t"
365  "lwc1 %[temp14], 1796(%[v0]) \n\t"
366  "lwc1 %[temp15], 772(%[s0]) \n\t"
367  "lwc1 %[temp16], 1800(%[v0]) \n\t"
368  "lwc1 %[temp17], 776(%[s0]) \n\t"
369  "lwc1 %[temp18], 1804(%[v0]) \n\t"
370  "lwc1 %[temp19], 780(%[s0]) \n\t"
371  "madd.s %[temp0], %[temp0], %[temp4], %[temp5] \n\t"
372  "lwc1 %[temp4], 2048(%[v0]) \n\t"
373  "madd.s %[temp1], %[temp1], %[temp6], %[temp7] \n\t"
374  "lwc1 %[temp5], 1024(%[s0]) \n\t"
375  "madd.s %[temp2], %[temp2], %[temp8], %[temp9] \n\t"
376  "lwc1 %[temp6], 2052(%[v0]) \n\t"
377  "madd.s %[temp3], %[temp3], %[temp10], %[temp11] \n\t"
378  "lwc1 %[temp7], 1028(%[s0]) \n\t"
379  "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
380  "lwc1 %[temp8], 2056(%[v0]) \n\t"
381  "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
382  "lwc1 %[temp9], 1032(%[s0]) \n\t"
383  "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
384  "lwc1 %[temp10], 2060(%[v0]) \n\t"
385  "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
386  "lwc1 %[temp11], 1036(%[s0]) \n\t"
387  "lwc1 %[temp12], 2816(%[v0]) \n\t"
388  "lwc1 %[temp13], 1280(%[s0]) \n\t"
389  "lwc1 %[temp14], 2820(%[v0]) \n\t"
390  "lwc1 %[temp15], 1284(%[s0]) \n\t"
391  "lwc1 %[temp16], 2824(%[v0]) \n\t"
392  "lwc1 %[temp17], 1288(%[s0]) \n\t"
393  "lwc1 %[temp18], 2828(%[v0]) \n\t"
394  "lwc1 %[temp19], 1292(%[s0]) \n\t"
395  "madd.s %[temp0], %[temp0], %[temp4], %[temp5] \n\t"
396  "lwc1 %[temp4], 3072(%[v0]) \n\t"
397  "madd.s %[temp1], %[temp1], %[temp6], %[temp7] \n\t"
398  "lwc1 %[temp5], 1536(%[s0]) \n\t"
399  "madd.s %[temp2], %[temp2], %[temp8], %[temp9] \n\t"
400  "lwc1 %[temp6], 3076(%[v0]) \n\t"
401  "madd.s %[temp3], %[temp3], %[temp10], %[temp11] \n\t"
402  "lwc1 %[temp7], 1540(%[s0]) \n\t"
403  "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
404  "lwc1 %[temp8], 3080(%[v0]) \n\t"
405  "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
406  "lwc1 %[temp9], 1544(%[s0]) \n\t"
407  "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
408  "lwc1 %[temp10], 3084(%[v0]) \n\t"
409  "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
410  "lwc1 %[temp11], 1548(%[s0]) \n\t"
411  "lwc1 %[temp12], 3840(%[v0]) \n\t"
412  "lwc1 %[temp13], 1792(%[s0]) \n\t"
413  "lwc1 %[temp14], 3844(%[v0]) \n\t"
414  "lwc1 %[temp15], 1796(%[s0]) \n\t"
415  "lwc1 %[temp16], 3848(%[v0]) \n\t"
416  "lwc1 %[temp17], 1800(%[s0]) \n\t"
417  "lwc1 %[temp18], 3852(%[v0]) \n\t"
418  "lwc1 %[temp19], 1804(%[s0]) \n\t"
419  "madd.s %[temp0], %[temp0], %[temp4], %[temp5] \n\t"
420  "lwc1 %[temp4], 4096(%[v0]) \n\t"
421  "madd.s %[temp1], %[temp1], %[temp6], %[temp7] \n\t"
422  "lwc1 %[temp5], 2048(%[s0]) \n\t"
423  "madd.s %[temp2], %[temp2], %[temp8], %[temp9] \n\t"
424  "lwc1 %[temp6], 4100(%[v0]) \n\t"
425  "madd.s %[temp3], %[temp3], %[temp10], %[temp11] \n\t"
426  "lwc1 %[temp7], 2052(%[s0]) \n\t"
427  "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
428  "lwc1 %[temp8], 4104(%[v0]) \n\t"
429  "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
430  "lwc1 %[temp9], 2056(%[s0]) \n\t"
431  "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
432  "lwc1 %[temp10], 4108(%[v0]) \n\t"
433  "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
434  "lwc1 %[temp11], 2060(%[s0]) \n\t"
435  "lwc1 %[temp12], 4864(%[v0]) \n\t"
436  "lwc1 %[temp13], 2304(%[s0]) \n\t"
437  "lwc1 %[temp14], 4868(%[v0]) \n\t"
438  "lwc1 %[temp15], 2308(%[s0]) \n\t"
439  "madd.s %[temp0], %[temp0], %[temp4], %[temp5] \n\t"
440  "lwc1 %[temp16], 4872(%[v0]) \n\t"
441  "madd.s %[temp1], %[temp1], %[temp6], %[temp7] \n\t"
442  "lwc1 %[temp17], 2312(%[s0]) \n\t"
443  "madd.s %[temp2], %[temp2], %[temp8], %[temp9] \n\t"
444  "lwc1 %[temp18], 4876(%[v0]) \n\t"
445  "madd.s %[temp3], %[temp3], %[temp10], %[temp11] \n\t"
446  "lwc1 %[temp19], 2316(%[s0]) \n\t"
447  "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
448  "addiu %[dst], %[dst], 16 \n\t"
449  "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
450  "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
451  "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
452  "swc1 %[temp0], -16(%[dst]) \n\t"
453  "swc1 %[temp1], -12(%[dst]) \n\t"
454  "swc1 %[temp2], -8(%[dst]) \n\t"
455  "swc1 %[temp3], -4(%[dst]) \n\t"
456  ".set pop \n\t"
457 
458  : [dst]"+r"(dst), [v0]"+r"(vv0), [s0]"+r"(s0),
459  [temp0]"=&f"(temp0), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2),
460  [temp3]"=&f"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5),
461  [temp6]"=&f"(temp6), [temp7]"=&f"(temp7), [temp8]"=&f"(temp8),
462  [temp9]"=&f"(temp9), [temp10]"=&f"(temp10), [temp11]"=&f"(temp11),
463  [temp12]"=&f"(temp12), [temp13]"=&f"(temp13), [temp14]"=&f"(temp14),
464  [temp15]"=&f"(temp15), [temp16]"=&f"(temp16), [temp17]"=&f"(temp17),
465  [temp18]"=&f"(temp18), [temp19]"=&f"(temp19)
466  : [v0_end]"r"(v0_end)
467  : "memory"
468  );
469  }
470  else
471  {
472  fdsp->vector_fmul (out, v , sbr_qmf_window , 64 >> div);
473  fdsp->vector_fmul_add(out, v + ( 192 >> div), sbr_qmf_window + ( 64 >> div), out , 64 >> div);
474  fdsp->vector_fmul_add(out, v + ( 256 >> div), sbr_qmf_window + (128 >> div), out , 64 >> div);
475  fdsp->vector_fmul_add(out, v + ( 448 >> div), sbr_qmf_window + (192 >> div), out , 64 >> div);
476  fdsp->vector_fmul_add(out, v + ( 512 >> div), sbr_qmf_window + (256 >> div), out , 64 >> div);
477  fdsp->vector_fmul_add(out, v + ( 704 >> div), sbr_qmf_window + (320 >> div), out , 64 >> div);
478  fdsp->vector_fmul_add(out, v + ( 768 >> div), sbr_qmf_window + (384 >> div), out , 64 >> div);
479  fdsp->vector_fmul_add(out, v + ( 960 >> div), sbr_qmf_window + (448 >> div), out , 64 >> div);
480  fdsp->vector_fmul_add(out, v + (1024 >> div), sbr_qmf_window + (512 >> div), out , 64 >> div);
481  fdsp->vector_fmul_add(out, v + (1216 >> div), sbr_qmf_window + (576 >> div), out , 64 >> div);
482  out += 64 >> div;
483  }
484  }
485 }
486 
487 #define sbr_qmf_analysis sbr_qmf_analysis_mips
488 #define sbr_qmf_synthesis sbr_qmf_synthesis_mips
489 
490 #endif /* HAVE_MIPSFPU */
491 #endif /* HAVE_INLINE_ASM */
492 
493 #endif /* AVCODEC_MIPS_AACSBR_FLOAT_H */
v
float v
Definition: avf_showspectrum.c:88
SBRDSPContext::sum64x5
void(* sum64x5)(float *z)
Definition: sbrdsp.h:27
in
About Git write you should know how to use GIT properly Luckily Git comes with excellent documentation git help man git shows you the available git< command > help man git< command > shows information about the subcommand< command > The most comprehensive manual is the website Git Reference visit they are quite exhaustive You do not need a special username or password All you need is to provide a ssh public key to the Git server admin What follows now is a basic introduction to Git and some FFmpeg specific guidelines Read it at least if you are granted commit privileges to the FFmpeg project you are expected to be familiar with these rules I if not You can get git from etc no matter how small Every one of them has been saved from looking like a fool by this many times It s very easy for stray debug output or cosmetic modifications to slip in
Definition: git-howto.txt:5
AVFloatDSPContext::vector_fmul
void(* vector_fmul)(float *dst, const float *src0, const float *src1, int len)
Calculate the product of two vectors of floats and store the result in a vector of floats...
Definition: float_dsp.h:38
x
Discrete Time axis x
Definition: FFT of a Simple Sinusoid.m:10
s0
#define s0
Definition: regdef.h:37
sbr.h
Spectral Band Replication definitions and structures.
SBRDSPContext::qmf_pre_shuffle
void(* qmf_pre_shuffle)(float *z)
Definition: sbrdsp.h:30
FFTContext
Definition: fft.h:62
SBRDSPContext::neg_odd_64
void(* neg_odd_64)(float *x)
Definition: sbrdsp.h:29
X
Sampled sinusoid X
Definition: FFT of a Simple Sinusoid.m:11
aac.h
AAC definitions and structures.
SBR_SYNTHESIS_BUF_SIZE
#define SBR_SYNTHESIS_BUF_SIZE
Definition: sbr.h:57
i
synthesis window for stochastic i
Definition: code Kat/hpsmodel.m:34
FFTContext::imdct_half
void(* imdct_half)(struct FFTContext *s, FFTSample *output, const FFTSample *input)
Definition: fft.h:82
n
n
Definition: genspecsines_sin.m:10
v0
#define v0
Definition: regdef.h:26
AVFloatDSPContext::vector_fmul_add
void(* vector_fmul_add)(float *dst, const float *src0, const float *src1, const float *src2, int len)
Calculate the product of two vectors of floats, add a third vector of floats and store the result in ...
Definition: float_dsp.h:121
SBRDSPContext::qmf_post_shuffle
void(* qmf_post_shuffle)(float W[32][2], const float *z)
Definition: sbrdsp.h:31
SBRDSPContext::qmf_deint_bfly
void(* qmf_deint_bfly)(float *v, const float *src0, const float *src1)
Definition: sbrdsp.h:33
SBRDSPContext::qmf_deint_neg
void(* qmf_deint_neg)(float *v, const float *src)
Definition: sbrdsp.h:32
W
normalize window W
Definition: stft_peak.m:10
step
trying all byte sequences megabyte in length and selecting the best looking sequence will yield cases to try But a word about which is also called distortion Distortion can be quantified by almost any quality measurement one chooses the sum of squared differences is used but more complex methods that consider psychovisual effects can be used as well It makes no difference in this discussion First step
Definition: rate_distortion.txt:12
AVFloatDSPContext::vector_fmul_reverse
void(* vector_fmul_reverse)(float *dst, const float *src0, const float *src1, int len)
Calculate the product of two vectors of floats, and store the result in a vector of floats...
Definition: float_dsp.h:140
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