FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
aacsbr_mips.h
Go to the documentation of this file.
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 #include "libavutil/mips/asmdefs.h"
60 
61 #if HAVE_INLINE_ASM
62 static void sbr_qmf_analysis_mips(AVFloatDSPContext *fdsp, FFTContext *mdct,
63  SBRDSPContext *sbrdsp, const float *in, float *x,
64  float z[320], float W[2][32][32][2], int buf_idx)
65 {
66  int i;
67  float *w0;
68  float *w1;
69  int temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7;
70 
71  w0 = x;
72  w1 = x + 1024;
73  for(i = 0; i < 36; i++)
74  {
75  /* loop unrolled 8 times */
76  __asm__ volatile(
77  "lw %[temp0], 0(%[w1]) \n\t"
78  "lw %[temp1], 4(%[w1]) \n\t"
79  "lw %[temp2], 8(%[w1]) \n\t"
80  "lw %[temp3], 12(%[w1]) \n\t"
81  "lw %[temp4], 16(%[w1]) \n\t"
82  "lw %[temp5], 20(%[w1]) \n\t"
83  "lw %[temp6], 24(%[w1]) \n\t"
84  "lw %[temp7], 28(%[w1]) \n\t"
85  "sw %[temp0], 0(%[w0]) \n\t"
86  "sw %[temp1], 4(%[w0]) \n\t"
87  "sw %[temp2], 8(%[w0]) \n\t"
88  "sw %[temp3], 12(%[w0]) \n\t"
89  "sw %[temp4], 16(%[w0]) \n\t"
90  "sw %[temp5], 20(%[w0]) \n\t"
91  "sw %[temp6], 24(%[w0]) \n\t"
92  "sw %[temp7], 28(%[w0]) \n\t"
93  PTR_ADDIU " %[w0], %[w0], 32 \n\t"
94  PTR_ADDIU " %[w1], %[w1], 32 \n\t"
95 
96  : [w0]"+r"(w0), [w1]"+r"(w1),
97  [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
98  [temp2]"=&r"(temp2), [temp3]"=&r"(temp3),
99  [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
100  [temp6]"=&r"(temp6), [temp7]"=&r"(temp7)
101  :
102  : "memory"
103  );
104  }
105 
106  w0 = x + 288;
107  w1 = (float*)in;
108  for(i = 0; i < 128; i++)
109  {
110  /* loop unrolled 8 times */
111  __asm__ volatile(
112  "lw %[temp0], 0(%[w1]) \n\t"
113  "lw %[temp1], 4(%[w1]) \n\t"
114  "lw %[temp2], 8(%[w1]) \n\t"
115  "lw %[temp3], 12(%[w1]) \n\t"
116  "lw %[temp4], 16(%[w1]) \n\t"
117  "lw %[temp5], 20(%[w1]) \n\t"
118  "lw %[temp6], 24(%[w1]) \n\t"
119  "lw %[temp7], 28(%[w1]) \n\t"
120  "sw %[temp0], 0(%[w0]) \n\t"
121  "sw %[temp1], 4(%[w0]) \n\t"
122  "sw %[temp2], 8(%[w0]) \n\t"
123  "sw %[temp3], 12(%[w0]) \n\t"
124  "sw %[temp4], 16(%[w0]) \n\t"
125  "sw %[temp5], 20(%[w0]) \n\t"
126  "sw %[temp6], 24(%[w0]) \n\t"
127  "sw %[temp7], 28(%[w0]) \n\t"
128  PTR_ADDIU " %[w0], %[w0], 32 \n\t"
129  PTR_ADDIU " %[w1], %[w1], 32 \n\t"
130 
131  : [w0]"+r"(w0), [w1]"+r"(w1),
132  [temp0]"=&r"(temp0), [temp1]"=&r"(temp1),
133  [temp2]"=&r"(temp2), [temp3]"=&r"(temp3),
134  [temp4]"=&r"(temp4), [temp5]"=&r"(temp5),
135  [temp6]"=&r"(temp6), [temp7]"=&r"(temp7)
136  :
137  : "memory"
138  );
139  }
140 
141  for (i = 0; i < 32; i++) { // numTimeSlots*RATE = 16*2 as 960 sample frames
142  // are not supported
143  fdsp->vector_fmul_reverse(z, sbr_qmf_window_ds, x, 320);
144  sbrdsp->sum64x5(z);
145  sbrdsp->qmf_pre_shuffle(z);
146  mdct->imdct_half(mdct, z, z+64);
147  sbrdsp->qmf_post_shuffle(W[buf_idx][i], z);
148  x += 32;
149  }
150 }
151 
152 #if (HAVE_MIPSFPU && !HAVE_LOONGSON3)
153 static void sbr_qmf_synthesis_mips(FFTContext *mdct,
154  SBRDSPContext *sbrdsp, AVFloatDSPContext *fdsp,
155  float *out, float X[2][38][64],
156  float mdct_buf[2][64],
157  float *v0, int *v_off, const unsigned int div)
158 {
159  int i, n;
160  const float *sbr_qmf_window = div ? sbr_qmf_window_ds : sbr_qmf_window_us;
161  const int step = 128 >> div;
162  float *v;
163  float temp0, temp1, temp2, temp3, temp4, temp5, temp6, temp7, temp8, temp9, temp10, temp11, temp12, temp13;
164  float temp14, temp15, temp16, temp17, temp18, temp19;
165  float *vv0, *s0, *dst;
166  dst = out;
167 
168  for (i = 0; i < 32; i++) {
169  if (*v_off < step) {
170  int saved_samples = (1280 - 128) >> div;
171  memcpy(&v0[SBR_SYNTHESIS_BUF_SIZE - saved_samples], v0, saved_samples * sizeof(float));
172  *v_off = SBR_SYNTHESIS_BUF_SIZE - saved_samples - step;
173  } else {
174  *v_off -= step;
175  }
176  v = v0 + *v_off;
177  if (div) {
178  for (n = 0; n < 32; n++) {
179  X[0][i][ n] = -X[0][i][n];
180  X[0][i][32+n] = X[1][i][31-n];
181  }
182  mdct->imdct_half(mdct, mdct_buf[0], X[0][i]);
183  sbrdsp->qmf_deint_neg(v, mdct_buf[0]);
184  } else {
185  sbrdsp->neg_odd_64(X[1][i]);
186  mdct->imdct_half(mdct, mdct_buf[0], X[0][i]);
187  mdct->imdct_half(mdct, mdct_buf[1], X[1][i]);
188  sbrdsp->qmf_deint_bfly(v, mdct_buf[1], mdct_buf[0]);
189  }
190 
191  if(div == 0)
192  {
193  float *v0_end;
194  vv0 = v;
195  v0_end = v + 60;
196  s0 = (float*)sbr_qmf_window;
197 
198  /* 10 calls of function vector_fmul_add merged into one loop
199  and loop unrolled 4 times */
200  __asm__ volatile(
201  ".set push \n\t"
202  ".set noreorder \n\t"
203  "lwc1 %[temp4], 0(%[v0]) \n\t"
204  "lwc1 %[temp5], 0(%[s0]) \n\t"
205  "lwc1 %[temp6], 4(%[v0]) \n\t"
206  "lwc1 %[temp7], 4(%[s0]) \n\t"
207  "lwc1 %[temp8], 8(%[v0]) \n\t"
208  "lwc1 %[temp9], 8(%[s0]) \n\t"
209  "lwc1 %[temp10], 12(%[v0]) \n\t"
210  "lwc1 %[temp11], 12(%[s0]) \n\t"
211  "lwc1 %[temp12], 768(%[v0]) \n\t"
212  "lwc1 %[temp13], 256(%[s0]) \n\t"
213  "lwc1 %[temp14], 772(%[v0]) \n\t"
214  "lwc1 %[temp15], 260(%[s0]) \n\t"
215  "lwc1 %[temp16], 776(%[v0]) \n\t"
216  "lwc1 %[temp17], 264(%[s0]) \n\t"
217  "lwc1 %[temp18], 780(%[v0]) \n\t"
218  "lwc1 %[temp19], 268(%[s0]) \n\t"
219  "1: \n\t"
220  "mul.s %[temp0], %[temp4], %[temp5] \n\t"
221  "lwc1 %[temp4], 1024(%[v0]) \n\t"
222  "mul.s %[temp1], %[temp6], %[temp7] \n\t"
223  "lwc1 %[temp5], 512(%[s0]) \n\t"
224  "mul.s %[temp2], %[temp8], %[temp9] \n\t"
225  "lwc1 %[temp6], 1028(%[v0]) \n\t"
226  "mul.s %[temp3], %[temp10], %[temp11] \n\t"
227  "lwc1 %[temp7], 516(%[s0]) \n\t"
228  "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
229  "lwc1 %[temp8], 1032(%[v0]) \n\t"
230  "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
231  "lwc1 %[temp9], 520(%[s0]) \n\t"
232  "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
233  "lwc1 %[temp10], 1036(%[v0]) \n\t"
234  "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
235  "lwc1 %[temp11], 524(%[s0]) \n\t"
236  "lwc1 %[temp12], 1792(%[v0]) \n\t"
237  "lwc1 %[temp13], 768(%[s0]) \n\t"
238  "lwc1 %[temp14], 1796(%[v0]) \n\t"
239  "lwc1 %[temp15], 772(%[s0]) \n\t"
240  "lwc1 %[temp16], 1800(%[v0]) \n\t"
241  "lwc1 %[temp17], 776(%[s0]) \n\t"
242  "lwc1 %[temp18], 1804(%[v0]) \n\t"
243  "lwc1 %[temp19], 780(%[s0]) \n\t"
244  "madd.s %[temp0], %[temp0], %[temp4], %[temp5] \n\t"
245  "lwc1 %[temp4], 2048(%[v0]) \n\t"
246  "madd.s %[temp1], %[temp1], %[temp6], %[temp7] \n\t"
247  "lwc1 %[temp5], 1024(%[s0]) \n\t"
248  "madd.s %[temp2], %[temp2], %[temp8], %[temp9] \n\t"
249  "lwc1 %[temp6], 2052(%[v0]) \n\t"
250  "madd.s %[temp3], %[temp3], %[temp10], %[temp11] \n\t"
251  "lwc1 %[temp7], 1028(%[s0]) \n\t"
252  "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
253  "lwc1 %[temp8], 2056(%[v0]) \n\t"
254  "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
255  "lwc1 %[temp9], 1032(%[s0]) \n\t"
256  "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
257  "lwc1 %[temp10], 2060(%[v0]) \n\t"
258  "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
259  "lwc1 %[temp11], 1036(%[s0]) \n\t"
260  "lwc1 %[temp12], 2816(%[v0]) \n\t"
261  "lwc1 %[temp13], 1280(%[s0]) \n\t"
262  "lwc1 %[temp14], 2820(%[v0]) \n\t"
263  "lwc1 %[temp15], 1284(%[s0]) \n\t"
264  "lwc1 %[temp16], 2824(%[v0]) \n\t"
265  "lwc1 %[temp17], 1288(%[s0]) \n\t"
266  "lwc1 %[temp18], 2828(%[v0]) \n\t"
267  "lwc1 %[temp19], 1292(%[s0]) \n\t"
268  "madd.s %[temp0], %[temp0], %[temp4], %[temp5] \n\t"
269  "lwc1 %[temp4], 3072(%[v0]) \n\t"
270  "madd.s %[temp1], %[temp1], %[temp6], %[temp7] \n\t"
271  "lwc1 %[temp5], 1536(%[s0]) \n\t"
272  "madd.s %[temp2], %[temp2], %[temp8], %[temp9] \n\t"
273  "lwc1 %[temp6], 3076(%[v0]) \n\t"
274  "madd.s %[temp3], %[temp3], %[temp10], %[temp11] \n\t"
275  "lwc1 %[temp7], 1540(%[s0]) \n\t"
276  "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
277  "lwc1 %[temp8], 3080(%[v0]) \n\t"
278  "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
279  "lwc1 %[temp9], 1544(%[s0]) \n\t"
280  "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
281  "lwc1 %[temp10], 3084(%[v0]) \n\t"
282  "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
283  "lwc1 %[temp11], 1548(%[s0]) \n\t"
284  "lwc1 %[temp12], 3840(%[v0]) \n\t"
285  "lwc1 %[temp13], 1792(%[s0]) \n\t"
286  "lwc1 %[temp14], 3844(%[v0]) \n\t"
287  "lwc1 %[temp15], 1796(%[s0]) \n\t"
288  "lwc1 %[temp16], 3848(%[v0]) \n\t"
289  "lwc1 %[temp17], 1800(%[s0]) \n\t"
290  "lwc1 %[temp18], 3852(%[v0]) \n\t"
291  "lwc1 %[temp19], 1804(%[s0]) \n\t"
292  "madd.s %[temp0], %[temp0], %[temp4], %[temp5] \n\t"
293  "lwc1 %[temp4], 4096(%[v0]) \n\t"
294  "madd.s %[temp1], %[temp1], %[temp6], %[temp7] \n\t"
295  "lwc1 %[temp5], 2048(%[s0]) \n\t"
296  "madd.s %[temp2], %[temp2], %[temp8], %[temp9] \n\t"
297  "lwc1 %[temp6], 4100(%[v0]) \n\t"
298  "madd.s %[temp3], %[temp3], %[temp10], %[temp11] \n\t"
299  "lwc1 %[temp7], 2052(%[s0]) \n\t"
300  "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
301  "lwc1 %[temp8], 4104(%[v0]) \n\t"
302  PTR_ADDIU "%[dst], %[dst], 16 \n\t"
303  "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
304  "lwc1 %[temp9], 2056(%[s0]) \n\t"
305  PTR_ADDIU " %[s0], %[s0], 16 \n\t"
306  "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
307  "lwc1 %[temp10], 4108(%[v0]) \n\t"
308  PTR_ADDIU " %[v0], %[v0], 16 \n\t"
309  "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
310  "lwc1 %[temp11], 2044(%[s0]) \n\t"
311  "lwc1 %[temp12], 4848(%[v0]) \n\t"
312  "lwc1 %[temp13], 2288(%[s0]) \n\t"
313  "lwc1 %[temp14], 4852(%[v0]) \n\t"
314  "lwc1 %[temp15], 2292(%[s0]) \n\t"
315  "lwc1 %[temp16], 4856(%[v0]) \n\t"
316  "lwc1 %[temp17], 2296(%[s0]) \n\t"
317  "lwc1 %[temp18], 4860(%[v0]) \n\t"
318  "lwc1 %[temp19], 2300(%[s0]) \n\t"
319  "madd.s %[temp0], %[temp0], %[temp4], %[temp5] \n\t"
320  "lwc1 %[temp4], 0(%[v0]) \n\t"
321  "madd.s %[temp1], %[temp1], %[temp6], %[temp7] \n\t"
322  "lwc1 %[temp5], 0(%[s0]) \n\t"
323  "madd.s %[temp2], %[temp2], %[temp8], %[temp9] \n\t"
324  "lwc1 %[temp6], 4(%[v0]) \n\t"
325  "madd.s %[temp3], %[temp3], %[temp10], %[temp11] \n\t"
326  "lwc1 %[temp7], 4(%[s0]) \n\t"
327  "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
328  "lwc1 %[temp8], 8(%[v0]) \n\t"
329  "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
330  "lwc1 %[temp9], 8(%[s0]) \n\t"
331  "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
332  "lwc1 %[temp10], 12(%[v0]) \n\t"
333  "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
334  "lwc1 %[temp11], 12(%[s0]) \n\t"
335  "lwc1 %[temp12], 768(%[v0]) \n\t"
336  "lwc1 %[temp13], 256(%[s0]) \n\t"
337  "lwc1 %[temp14], 772(%[v0]) \n\t"
338  "lwc1 %[temp15], 260(%[s0]) \n\t"
339  "lwc1 %[temp16], 776(%[v0]) \n\t"
340  "lwc1 %[temp17], 264(%[s0]) \n\t"
341  "lwc1 %[temp18], 780(%[v0]) \n\t"
342  "lwc1 %[temp19], 268(%[s0]) \n\t"
343  "swc1 %[temp0], -16(%[dst]) \n\t"
344  "swc1 %[temp1], -12(%[dst]) \n\t"
345  "swc1 %[temp2], -8(%[dst]) \n\t"
346  "bne %[v0], %[v0_end], 1b \n\t"
347  " swc1 %[temp3], -4(%[dst]) \n\t"
348  "mul.s %[temp0], %[temp4], %[temp5] \n\t"
349  "lwc1 %[temp4], 1024(%[v0]) \n\t"
350  "mul.s %[temp1], %[temp6], %[temp7] \n\t"
351  "lwc1 %[temp5], 512(%[s0]) \n\t"
352  "mul.s %[temp2], %[temp8], %[temp9] \n\t"
353  "lwc1 %[temp6], 1028(%[v0]) \n\t"
354  "mul.s %[temp3], %[temp10], %[temp11] \n\t"
355  "lwc1 %[temp7], 516(%[s0]) \n\t"
356  "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
357  "lwc1 %[temp8], 1032(%[v0]) \n\t"
358  "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
359  "lwc1 %[temp9], 520(%[s0]) \n\t"
360  "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
361  "lwc1 %[temp10], 1036(%[v0]) \n\t"
362  "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
363  "lwc1 %[temp11], 524(%[s0]) \n\t"
364  "lwc1 %[temp12], 1792(%[v0]) \n\t"
365  "lwc1 %[temp13], 768(%[s0]) \n\t"
366  "lwc1 %[temp14], 1796(%[v0]) \n\t"
367  "lwc1 %[temp15], 772(%[s0]) \n\t"
368  "lwc1 %[temp16], 1800(%[v0]) \n\t"
369  "lwc1 %[temp17], 776(%[s0]) \n\t"
370  "lwc1 %[temp18], 1804(%[v0]) \n\t"
371  "lwc1 %[temp19], 780(%[s0]) \n\t"
372  "madd.s %[temp0], %[temp0], %[temp4], %[temp5] \n\t"
373  "lwc1 %[temp4], 2048(%[v0]) \n\t"
374  "madd.s %[temp1], %[temp1], %[temp6], %[temp7] \n\t"
375  "lwc1 %[temp5], 1024(%[s0]) \n\t"
376  "madd.s %[temp2], %[temp2], %[temp8], %[temp9] \n\t"
377  "lwc1 %[temp6], 2052(%[v0]) \n\t"
378  "madd.s %[temp3], %[temp3], %[temp10], %[temp11] \n\t"
379  "lwc1 %[temp7], 1028(%[s0]) \n\t"
380  "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
381  "lwc1 %[temp8], 2056(%[v0]) \n\t"
382  "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
383  "lwc1 %[temp9], 1032(%[s0]) \n\t"
384  "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
385  "lwc1 %[temp10], 2060(%[v0]) \n\t"
386  "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
387  "lwc1 %[temp11], 1036(%[s0]) \n\t"
388  "lwc1 %[temp12], 2816(%[v0]) \n\t"
389  "lwc1 %[temp13], 1280(%[s0]) \n\t"
390  "lwc1 %[temp14], 2820(%[v0]) \n\t"
391  "lwc1 %[temp15], 1284(%[s0]) \n\t"
392  "lwc1 %[temp16], 2824(%[v0]) \n\t"
393  "lwc1 %[temp17], 1288(%[s0]) \n\t"
394  "lwc1 %[temp18], 2828(%[v0]) \n\t"
395  "lwc1 %[temp19], 1292(%[s0]) \n\t"
396  "madd.s %[temp0], %[temp0], %[temp4], %[temp5] \n\t"
397  "lwc1 %[temp4], 3072(%[v0]) \n\t"
398  "madd.s %[temp1], %[temp1], %[temp6], %[temp7] \n\t"
399  "lwc1 %[temp5], 1536(%[s0]) \n\t"
400  "madd.s %[temp2], %[temp2], %[temp8], %[temp9] \n\t"
401  "lwc1 %[temp6], 3076(%[v0]) \n\t"
402  "madd.s %[temp3], %[temp3], %[temp10], %[temp11] \n\t"
403  "lwc1 %[temp7], 1540(%[s0]) \n\t"
404  "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
405  "lwc1 %[temp8], 3080(%[v0]) \n\t"
406  "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
407  "lwc1 %[temp9], 1544(%[s0]) \n\t"
408  "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
409  "lwc1 %[temp10], 3084(%[v0]) \n\t"
410  "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
411  "lwc1 %[temp11], 1548(%[s0]) \n\t"
412  "lwc1 %[temp12], 3840(%[v0]) \n\t"
413  "lwc1 %[temp13], 1792(%[s0]) \n\t"
414  "lwc1 %[temp14], 3844(%[v0]) \n\t"
415  "lwc1 %[temp15], 1796(%[s0]) \n\t"
416  "lwc1 %[temp16], 3848(%[v0]) \n\t"
417  "lwc1 %[temp17], 1800(%[s0]) \n\t"
418  "lwc1 %[temp18], 3852(%[v0]) \n\t"
419  "lwc1 %[temp19], 1804(%[s0]) \n\t"
420  "madd.s %[temp0], %[temp0], %[temp4], %[temp5] \n\t"
421  "lwc1 %[temp4], 4096(%[v0]) \n\t"
422  "madd.s %[temp1], %[temp1], %[temp6], %[temp7] \n\t"
423  "lwc1 %[temp5], 2048(%[s0]) \n\t"
424  "madd.s %[temp2], %[temp2], %[temp8], %[temp9] \n\t"
425  "lwc1 %[temp6], 4100(%[v0]) \n\t"
426  "madd.s %[temp3], %[temp3], %[temp10], %[temp11] \n\t"
427  "lwc1 %[temp7], 2052(%[s0]) \n\t"
428  "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
429  "lwc1 %[temp8], 4104(%[v0]) \n\t"
430  "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
431  "lwc1 %[temp9], 2056(%[s0]) \n\t"
432  "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
433  "lwc1 %[temp10], 4108(%[v0]) \n\t"
434  "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
435  "lwc1 %[temp11], 2060(%[s0]) \n\t"
436  "lwc1 %[temp12], 4864(%[v0]) \n\t"
437  "lwc1 %[temp13], 2304(%[s0]) \n\t"
438  "lwc1 %[temp14], 4868(%[v0]) \n\t"
439  "lwc1 %[temp15], 2308(%[s0]) \n\t"
440  "madd.s %[temp0], %[temp0], %[temp4], %[temp5] \n\t"
441  "lwc1 %[temp16], 4872(%[v0]) \n\t"
442  "madd.s %[temp1], %[temp1], %[temp6], %[temp7] \n\t"
443  "lwc1 %[temp17], 2312(%[s0]) \n\t"
444  "madd.s %[temp2], %[temp2], %[temp8], %[temp9] \n\t"
445  "lwc1 %[temp18], 4876(%[v0]) \n\t"
446  "madd.s %[temp3], %[temp3], %[temp10], %[temp11] \n\t"
447  "lwc1 %[temp19], 2316(%[s0]) \n\t"
448  "madd.s %[temp0], %[temp0], %[temp12], %[temp13] \n\t"
449  PTR_ADDIU "%[dst], %[dst], 16 \n\t"
450  "madd.s %[temp1], %[temp1], %[temp14], %[temp15] \n\t"
451  "madd.s %[temp2], %[temp2], %[temp16], %[temp17] \n\t"
452  "madd.s %[temp3], %[temp3], %[temp18], %[temp19] \n\t"
453  "swc1 %[temp0], -16(%[dst]) \n\t"
454  "swc1 %[temp1], -12(%[dst]) \n\t"
455  "swc1 %[temp2], -8(%[dst]) \n\t"
456  "swc1 %[temp3], -4(%[dst]) \n\t"
457  ".set pop \n\t"
458 
459  : [dst]"+r"(dst), [v0]"+r"(vv0), [s0]"+r"(s0),
460  [temp0]"=&f"(temp0), [temp1]"=&f"(temp1), [temp2]"=&f"(temp2),
461  [temp3]"=&f"(temp3), [temp4]"=&f"(temp4), [temp5]"=&f"(temp5),
462  [temp6]"=&f"(temp6), [temp7]"=&f"(temp7), [temp8]"=&f"(temp8),
463  [temp9]"=&f"(temp9), [temp10]"=&f"(temp10), [temp11]"=&f"(temp11),
464  [temp12]"=&f"(temp12), [temp13]"=&f"(temp13), [temp14]"=&f"(temp14),
465  [temp15]"=&f"(temp15), [temp16]"=&f"(temp16), [temp17]"=&f"(temp17),
466  [temp18]"=&f"(temp18), [temp19]"=&f"(temp19)
467  : [v0_end]"r"(v0_end)
468  : "memory"
469  );
470  }
471  else
472  {
473  fdsp->vector_fmul (out, v , sbr_qmf_window , 64 >> div);
474  fdsp->vector_fmul_add(out, v + ( 192 >> div), sbr_qmf_window + ( 64 >> div), out , 64 >> div);
475  fdsp->vector_fmul_add(out, v + ( 256 >> div), sbr_qmf_window + (128 >> div), out , 64 >> div);
476  fdsp->vector_fmul_add(out, v + ( 448 >> div), sbr_qmf_window + (192 >> div), out , 64 >> div);
477  fdsp->vector_fmul_add(out, v + ( 512 >> div), sbr_qmf_window + (256 >> div), out , 64 >> div);
478  fdsp->vector_fmul_add(out, v + ( 704 >> div), sbr_qmf_window + (320 >> div), out , 64 >> div);
479  fdsp->vector_fmul_add(out, v + ( 768 >> div), sbr_qmf_window + (384 >> div), out , 64 >> div);
480  fdsp->vector_fmul_add(out, v + ( 960 >> div), sbr_qmf_window + (448 >> div), out , 64 >> div);
481  fdsp->vector_fmul_add(out, v + (1024 >> div), sbr_qmf_window + (512 >> div), out , 64 >> div);
482  fdsp->vector_fmul_add(out, v + (1216 >> div), sbr_qmf_window + (576 >> div), out , 64 >> div);
483  out += 64 >> div;
484  }
485  }
486 }
487 
488 #define sbr_qmf_analysis sbr_qmf_analysis_mips
489 #define sbr_qmf_synthesis sbr_qmf_synthesis_mips
490 
491 #endif /* (HAVE_MIPSFPU && !HAVE_LOONGSON3) */
492 #endif /* HAVE_INLINE_ASM */
493 
494 #endif /* AVCODEC_MIPS_AACSBR_FLOAT_H */
v
float v
Definition: avf_showspectrum.c:96
sbr_qmf_window_ds
static float sbr_qmf_window_ds[320]
< window coefficients for analysis/synthesis QMF banks
Definition: aacsbr_tablegen.h:31
asmdefs.h
MIPS assembly defines from sys/asm.h but rewritten for use with C inline assembly (rather than from w...
SBRDSPContext::sum64x5
void(* sum64x5)(float *z)
Definition: sbrdsp.h:27
SBRDSPContext::qmf_deint_neg
void(* qmf_deint_neg)(float *v, const float *src)
Definition: sbrdsp.h:32
AVFloatDSPContext::vector_fmul_reverse
void(* vector_fmul_reverse)(float *dst, const float *src0, const float *src1, int len)
Calculate the entry wise product of two vectors of floats, and store the result in a vector of floats...
Definition: float_dsp.h:138
v0
GLfloat v0
Definition: opengl_enc.c:107
SBRDSPContext::qmf_deint_bfly
void(* qmf_deint_bfly)(float *v, const float *src0, const float *src1)
Definition: sbrdsp.h:33
AVFloatDSPContext::vector_fmul
void(* vector_fmul)(float *dst, const float *src0, const float *src1, int len)
Calculate the entry wise product of two vectors of floats and store the result in a vector of floats...
Definition: float_dsp.h:38
s0
#define s0
Definition: regdef.h:37
sbr.h
Spectral Band Replication definitions and structures.
sbr_qmf_window_us
static float sbr_qmf_window_us[640]
Definition: aacsbr_tablegen.h:32
FFTContext
Definition: fft.h:88
aac.h
AAC definitions and structures.
n
int n
Definition: avisynth_c.h:547
SBRDSPContext::neg_odd_64
void(* neg_odd_64)(float *x)
Definition: sbrdsp.h:29
SBR_SYNTHESIS_BUF_SIZE
#define SBR_SYNTHESIS_BUF_SIZE
Definition: sbr.h:57
in
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31))))#defineSET_CONV_FUNC_GROUP(ofmt, ifmt) staticvoidset_generic_function(AudioConvert *ac){}voidff_audio_convert_free(AudioConvert **ac){if(!*ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, intsample_rate, intapply_map){AudioConvert *ac;intin_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) returnNULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method!=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt)>2){ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc){av_free(ac);returnNULL;}returnac;}in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar){ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar?ac->channels:1;}elseif(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;elseac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);returnac;}intff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){intuse_generic=1;intlen=in->nb_samples;intp;if(ac->dc){av_log(ac->avr, AV_LOG_TRACE,"%dsamples-audio_convert:%sto%s(dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));returnff_convert_dither(ac-> in
Definition: audio_convert.c:194
FFTContext::imdct_half
void(* imdct_half)(struct FFTContext *s, FFTSample *output, const FFTSample *input)
Definition: fft.h:108
AVFloatDSPContext::vector_fmul_add
void(* vector_fmul_add)(float *dst, const float *src0, const float *src1, const float *src2, int len)
Calculate the entry wise product of two vectors of floats, add a third vector of floats and store the...
Definition: float_dsp.h:121
PTR_ADDIU
#define PTR_ADDIU
Definition: asmdefs.h:41
W
#define W(a, i, v)
Definition: jpegls.h:122
SBRDSPContext::qmf_post_shuffle
void(* qmf_post_shuffle)(float W[32][2], const float *z)
Definition: sbrdsp.h:31
SBRDSPContext::qmf_pre_shuffle
void(* qmf_pre_shuffle)(float *z)
Definition: sbrdsp.h:30
out
uint8_t pi<< 24) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0f/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_U8, uint8_t,(*(constuint8_t *) pi-0x80)*(1.0/(1<< 7))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S16, int16_t,(*(constint16_t *) pi >>8)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0f/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S16, int16_t,*(constint16_t *) pi *(1.0/(1<< 15))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_S32, int32_t,(*(constint32_t *) pi >>24)+0x80) CONV_FUNC_GROUP(AV_SAMPLE_FMT_FLT, float, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0f/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_DBL, double, AV_SAMPLE_FMT_S32, int32_t,*(constint32_t *) pi *(1.0/(1U<< 31))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_FLT, float, av_clip_uint8(lrintf(*(constfloat *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_FLT, float, av_clip_int16(lrintf(*(constfloat *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_FLT, float, av_clipl_int32(llrintf(*(constfloat *) pi *(1U<< 31)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_U8, uint8_t, AV_SAMPLE_FMT_DBL, double, av_clip_uint8(lrint(*(constdouble *) pi *(1<< 7))+0x80)) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S16, int16_t, AV_SAMPLE_FMT_DBL, double, av_clip_int16(lrint(*(constdouble *) pi *(1<< 15)))) CONV_FUNC_GROUP(AV_SAMPLE_FMT_S32, int32_t, AV_SAMPLE_FMT_DBL, double, av_clipl_int32(llrint(*(constdouble *) pi *(1U<< 31))))#defineSET_CONV_FUNC_GROUP(ofmt, ifmt) staticvoidset_generic_function(AudioConvert *ac){}voidff_audio_convert_free(AudioConvert **ac){if(!*ac) return;ff_dither_free(&(*ac) ->dc);av_freep(ac);}AudioConvert *ff_audio_convert_alloc(AVAudioResampleContext *avr, enumAVSampleFormatout_fmt, enumAVSampleFormatin_fmt, intchannels, intsample_rate, intapply_map){AudioConvert *ac;intin_planar, out_planar;ac=av_mallocz(sizeof(*ac));if(!ac) returnNULL;ac->avr=avr;ac->out_fmt=out_fmt;ac->in_fmt=in_fmt;ac->channels=channels;ac->apply_map=apply_map;if(avr->dither_method!=AV_RESAMPLE_DITHER_NONE &&av_get_packed_sample_fmt(out_fmt)==AV_SAMPLE_FMT_S16 &&av_get_bytes_per_sample(in_fmt)>2){ac->dc=ff_dither_alloc(avr, out_fmt, in_fmt, channels, sample_rate, apply_map);if(!ac->dc){av_free(ac);returnNULL;}returnac;}in_planar=ff_sample_fmt_is_planar(in_fmt, channels);out_planar=ff_sample_fmt_is_planar(out_fmt, channels);if(in_planar==out_planar){ac->func_type=CONV_FUNC_TYPE_FLAT;ac->planes=in_planar?ac->channels:1;}elseif(in_planar) ac->func_type=CONV_FUNC_TYPE_INTERLEAVE;elseac->func_type=CONV_FUNC_TYPE_DEINTERLEAVE;set_generic_function(ac);if(ARCH_AARCH64) ff_audio_convert_init_aarch64(ac);if(ARCH_ARM) ff_audio_convert_init_arm(ac);if(ARCH_X86) ff_audio_convert_init_x86(ac);returnac;}intff_audio_convert(AudioConvert *ac, AudioData *out, AudioData *in){intuse_generic=1;intlen=in->nb_samples;intp;if(ac->dc){av_log(ac->avr, AV_LOG_TRACE,"%dsamples-audio_convert:%sto%s(dithered)\n", len, av_get_sample_fmt_name(ac->in_fmt), av_get_sample_fmt_name(ac->out_fmt));returnff_convert_dither(ac-> out
Definition: audio_convert.c:194
Generated on Wed Jun 10 2015 01:56:44 for FFmpeg by   doxygen 1.8.6