Commit | Line | Data |
---|---|---|
2ba45a60 DM |
1 | ;****************************************************************************** |
2 | ;* SSE-optimized functions for the DCA decoder | |
3 | ;* Copyright (C) 2012-2014 Christophe Gisquet <christophe.gisquet@gmail.com> | |
4 | ;* | |
5 | ;* This file is part of FFmpeg. | |
6 | ;* | |
7 | ;* FFmpeg is free software; you can redistribute it and/or | |
8 | ;* modify it under the terms of the GNU Lesser General Public | |
9 | ;* License as published by the Free Software Foundation; either | |
10 | ;* version 2.1 of the License, or (at your option) any later version. | |
11 | ;* | |
12 | ;* FFmpeg is distributed in the hope that it will be useful, | |
13 | ;* but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | ;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | ;* Lesser General Public License for more details. | |
16 | ;* | |
17 | ;* You should have received a copy of the GNU Lesser General Public | |
18 | ;* License along with FFmpeg; if not, write to the Free Software | |
19 | ;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
20 | ;****************************************************************************** | |
21 | ||
22 | %include "libavutil/x86/x86util.asm" | |
23 | ||
24 | SECTION_RODATA | |
25 | pf_inv16: times 4 dd 0x3D800000 ; 1/16 | |
26 | ||
27 | SECTION_TEXT | |
28 | ||
29 | ; void decode_hf(float dst[DCA_SUBBANDS][8], const int32_t vq_num[DCA_SUBBANDS], | |
30 | ; const int8_t hf_vq[1024][32], intptr_t vq_offset, | |
31 | ; int32_t scale[DCA_SUBBANDS][2], intptr_t start, intptr_t end) | |
32 | ||
33 | %macro DECODE_HF 0 | |
34 | cglobal decode_hf, 6,6,5, dst, num, src, offset, scale, start, end | |
35 | lea srcq, [srcq + offsetq] | |
36 | shl startq, 2 | |
37 | mov offsetd, endm | |
38 | %define DICT offsetq | |
39 | shl offsetq, 2 | |
40 | mov endm, offsetq | |
41 | .loop: | |
42 | %if ARCH_X86_64 | |
43 | mov offsetd, [scaleq + 2 * startq] | |
44 | cvtsi2ss m0, offsetd | |
45 | %else | |
46 | cvtsi2ss m0, [scaleq + 2 * startq] | |
47 | %endif | |
48 | mov offsetd, [numq + startq] | |
49 | mulss m0, [pf_inv16] | |
50 | shl DICT, 5 | |
51 | shufps m0, m0, 0 | |
52 | %if cpuflag(sse2) | |
53 | %if cpuflag(sse4) | |
54 | pmovsxbd m1, [srcq + DICT + 0] | |
55 | pmovsxbd m2, [srcq + DICT + 4] | |
56 | %else | |
57 | movq m1, [srcq + DICT] | |
58 | punpcklbw m1, m1 | |
59 | mova m2, m1 | |
60 | punpcklwd m1, m1 | |
61 | punpckhwd m2, m2 | |
62 | psrad m1, 24 | |
63 | psrad m2, 24 | |
64 | %endif | |
65 | cvtdq2ps m1, m1 | |
66 | cvtdq2ps m2, m2 | |
67 | %else | |
68 | movd mm0, [srcq + DICT + 0] | |
69 | movd mm1, [srcq + DICT + 4] | |
70 | punpcklbw mm0, mm0 | |
71 | punpcklbw mm1, mm1 | |
72 | movq mm2, mm0 | |
73 | movq mm3, mm1 | |
74 | punpcklwd mm0, mm0 | |
75 | punpcklwd mm1, mm1 | |
76 | punpckhwd mm2, mm2 | |
77 | punpckhwd mm3, mm3 | |
78 | psrad mm0, 24 | |
79 | psrad mm1, 24 | |
80 | psrad mm2, 24 | |
81 | psrad mm3, 24 | |
82 | cvtpi2ps m1, mm0 | |
83 | cvtpi2ps m2, mm1 | |
84 | cvtpi2ps m3, mm2 | |
85 | cvtpi2ps m4, mm3 | |
86 | shufps m0, m0, 0 | |
87 | shufps m1, m3, q1010 | |
88 | shufps m2, m4, q1010 | |
89 | %endif | |
90 | mulps m1, m0 | |
91 | mulps m2, m0 | |
92 | mova [dstq + 8 * startq + 0], m1 | |
93 | mova [dstq + 8 * startq + 16], m2 | |
94 | add startq, 4 | |
95 | cmp startq, endm | |
96 | jl .loop | |
97 | .end: | |
98 | %if notcpuflag(sse2) | |
99 | emms | |
100 | %endif | |
101 | REP_RET | |
102 | %endmacro | |
103 | ||
104 | %if ARCH_X86_32 | |
105 | INIT_XMM sse | |
106 | DECODE_HF | |
107 | %endif | |
108 | ||
109 | INIT_XMM sse2 | |
110 | DECODE_HF | |
111 | ||
112 | INIT_XMM sse4 | |
113 | DECODE_HF | |
114 | ||
115 | ; %1=v0/v1 %2=in1 %3=in2 | |
116 | %macro FIR_LOOP 2-3 | |
117 | .loop%1: | |
118 | %define va m1 | |
119 | %define vb m2 | |
120 | %if %1 | |
121 | %define OFFSET 0 | |
122 | %else | |
123 | %define OFFSET NUM_COEF*count | |
124 | %endif | |
125 | ; for v0, incrementing and for v1, decrementing | |
126 | mova va, [cf0q + OFFSET] | |
127 | mova vb, [cf0q + OFFSET + 4*NUM_COEF] | |
128 | %if %0 == 3 | |
129 | mova m4, [cf0q + OFFSET + mmsize] | |
130 | mova m0, [cf0q + OFFSET + 4*NUM_COEF + mmsize] | |
131 | %endif | |
132 | mulps va, %2 | |
133 | mulps vb, %2 | |
134 | %if %0 == 3 | |
135 | %if cpuflag(fma3) | |
136 | fmaddps va, m4, %3, va | |
137 | fmaddps vb, m0, %3, vb | |
138 | %else | |
139 | mulps m4, %3 | |
140 | mulps m0, %3 | |
141 | addps va, m4 | |
142 | addps vb, m0 | |
143 | %endif | |
144 | %endif | |
145 | ; va = va1 va2 va3 va4 | |
146 | ; vb = vb1 vb2 vb3 vb4 | |
147 | %if %1 | |
148 | SWAP va, vb | |
149 | %endif | |
150 | mova m4, va | |
151 | unpcklps va, vb ; va3 vb3 va4 vb4 | |
152 | unpckhps m4, vb ; va1 vb1 va2 vb2 | |
153 | addps m4, va ; va1+3 vb1+3 va2+4 vb2+4 | |
154 | movhlps vb, m4 ; va1+3 vb1+3 | |
155 | addps vb, m4 ; va0..4 vb0..4 | |
156 | movlps [outq + count], vb | |
157 | %if %1 | |
158 | sub cf0q, 8*NUM_COEF | |
159 | %endif | |
160 | add count, 8 | |
161 | jl .loop%1 | |
162 | %endmacro | |
163 | ||
164 | ; void dca_lfe_fir(float *out, float *in, float *coefs) | |
165 | %macro DCA_LFE_FIR 1 | |
166 | cglobal dca_lfe_fir%1, 3,3,6-%1, out, in, cf0 | |
167 | %define IN1 m3 | |
168 | %define IN2 m5 | |
169 | %define count inq | |
170 | %define NUM_COEF 4*(2-%1) | |
171 | %define NUM_OUT 32*(%1+1) | |
172 | ||
173 | movu IN1, [inq + 4 - 1*mmsize] | |
174 | shufps IN1, IN1, q0123 | |
175 | %if %1 == 0 | |
176 | movu IN2, [inq + 4 - 2*mmsize] | |
177 | shufps IN2, IN2, q0123 | |
178 | %endif | |
179 | ||
180 | mov count, -4*NUM_OUT | |
181 | add cf0q, 4*NUM_COEF*NUM_OUT | |
182 | add outq, 4*NUM_OUT | |
183 | ; compute v0 first | |
184 | %if %1 == 0 | |
185 | FIR_LOOP 0, IN1, IN2 | |
186 | %else | |
187 | FIR_LOOP 0, IN1 | |
188 | %endif | |
189 | shufps IN1, IN1, q0123 | |
190 | mov count, -4*NUM_OUT | |
191 | ; cf1 already correctly positioned | |
192 | add outq, 4*NUM_OUT ; outq now at out2 | |
193 | sub cf0q, 8*NUM_COEF | |
194 | %if %1 == 0 | |
195 | shufps IN2, IN2, q0123 | |
196 | FIR_LOOP 1, IN2, IN1 | |
197 | %else | |
198 | FIR_LOOP 1, IN1 | |
199 | %endif | |
200 | RET | |
201 | %endmacro | |
202 | ||
203 | INIT_XMM sse | |
204 | DCA_LFE_FIR 0 | |
205 | DCA_LFE_FIR 1 | |
206 | %if HAVE_FMA3_EXTERNAL | |
207 | INIT_XMM fma3 | |
208 | DCA_LFE_FIR 0 | |
209 | %endif | |
210 | ||
211 | %macro SETZERO 1 | |
212 | %if cpuflag(sse2) && notcpuflag(avx) | |
213 | pxor %1, %1 | |
214 | %else | |
215 | xorps %1, %1, %1 | |
216 | %endif | |
217 | %endmacro | |
218 | ||
219 | %macro SHUF 3 | |
220 | %if cpuflag(avx) | |
221 | mova %3, [%2 - 16] | |
222 | vperm2f128 %1, %3, %3, 1 | |
223 | vshufps %1, %1, %1, q0123 | |
224 | %elif cpuflag(sse2) | |
225 | pshufd %1, [%2], q0123 | |
226 | %else | |
227 | mova %1, [%2] | |
228 | shufps %1, %1, q0123 | |
229 | %endif | |
230 | %endmacro | |
231 | ||
232 | %macro INNER_LOOP 1 | |
233 | ; reading backwards: ptr1 = synth_buf + j + i; ptr2 = synth_buf + j - i | |
234 | ;~ a += window[i + j] * (-synth_buf[15 - i + j]) | |
235 | ;~ b += window[i + j + 16] * (synth_buf[i + j]) | |
236 | SHUF m5, ptr2 + j + (15 - 3) * 4, m6 | |
237 | mova m6, [ptr1 + j] | |
238 | %if ARCH_X86_64 | |
239 | SHUF m11, ptr2 + j + (15 - 3) * 4 - mmsize, m12 | |
240 | mova m12, [ptr1 + j + mmsize] | |
241 | %endif | |
242 | %if cpuflag(fma3) | |
243 | fmaddps m2, m6, [win + %1 + j + 16 * 4], m2 | |
244 | fnmaddps m1, m5, [win + %1 + j], m1 | |
245 | %if ARCH_X86_64 | |
246 | fmaddps m8, m12, [win + %1 + j + mmsize + 16 * 4], m8 | |
247 | fnmaddps m7, m11, [win + %1 + j + mmsize], m7 | |
248 | %endif | |
249 | %else ; non-FMA | |
250 | mulps m6, m6, [win + %1 + j + 16 * 4] | |
251 | mulps m5, m5, [win + %1 + j] | |
252 | %if ARCH_X86_64 | |
253 | mulps m12, m12, [win + %1 + j + mmsize + 16 * 4] | |
254 | mulps m11, m11, [win + %1 + j + mmsize] | |
255 | %endif | |
256 | addps m2, m2, m6 | |
257 | subps m1, m1, m5 | |
258 | %if ARCH_X86_64 | |
259 | addps m8, m8, m12 | |
260 | subps m7, m7, m11 | |
261 | %endif | |
262 | %endif ; cpuflag(fma3) | |
263 | ;~ c += window[i + j + 32] * (synth_buf[16 + i + j]) | |
264 | ;~ d += window[i + j + 48] * (synth_buf[31 - i + j]) | |
265 | SHUF m6, ptr2 + j + (31 - 3) * 4, m5 | |
266 | mova m5, [ptr1 + j + 16 * 4] | |
267 | %if ARCH_X86_64 | |
268 | SHUF m12, ptr2 + j + (31 - 3) * 4 - mmsize, m11 | |
269 | mova m11, [ptr1 + j + mmsize + 16 * 4] | |
270 | %endif | |
271 | %if cpuflag(fma3) | |
272 | fmaddps m3, m5, [win + %1 + j + 32 * 4], m3 | |
273 | fmaddps m4, m6, [win + %1 + j + 48 * 4], m4 | |
274 | %if ARCH_X86_64 | |
275 | fmaddps m9, m11, [win + %1 + j + mmsize + 32 * 4], m9 | |
276 | fmaddps m10, m12, [win + %1 + j + mmsize + 48 * 4], m10 | |
277 | %endif | |
278 | %else ; non-FMA | |
279 | mulps m5, m5, [win + %1 + j + 32 * 4] | |
280 | mulps m6, m6, [win + %1 + j + 48 * 4] | |
281 | %if ARCH_X86_64 | |
282 | mulps m11, m11, [win + %1 + j + mmsize + 32 * 4] | |
283 | mulps m12, m12, [win + %1 + j + mmsize + 48 * 4] | |
284 | %endif | |
285 | addps m3, m3, m5 | |
286 | addps m4, m4, m6 | |
287 | %if ARCH_X86_64 | |
288 | addps m9, m9, m11 | |
289 | addps m10, m10, m12 | |
290 | %endif | |
291 | %endif ; cpuflag(fma3) | |
292 | sub j, 64 * 4 | |
293 | %endmacro | |
294 | ||
295 | ; void ff_synth_filter_inner_<opt>(float *synth_buf, float synth_buf2[32], | |
296 | ; const float window[512], float out[32], | |
297 | ; intptr_t offset, float scale) | |
298 | %macro SYNTH_FILTER 0 | |
299 | cglobal synth_filter_inner, 0, 6 + 4 * ARCH_X86_64, 7 + 6 * ARCH_X86_64, \ | |
300 | synth_buf, synth_buf2, window, out, off, scale | |
301 | %define scale m0 | |
302 | %if ARCH_X86_32 || WIN64 | |
303 | %if cpuflag(sse2) && notcpuflag(avx) | |
304 | movd scale, scalem | |
305 | SPLATD m0 | |
306 | %else | |
307 | VBROADCASTSS m0, scalem | |
308 | %endif | |
309 | ; Make sure offset is in a register and not on the stack | |
310 | %define OFFQ r4q | |
311 | %else | |
312 | SPLATD xmm0 | |
313 | %if cpuflag(avx) | |
314 | vinsertf128 m0, m0, xmm0, 1 | |
315 | %endif | |
316 | %define OFFQ offq | |
317 | %endif | |
318 | ; prepare inner counter limit 1 | |
319 | mov r5q, 480 | |
320 | sub r5q, offmp | |
321 | and r5q, -64 | |
322 | shl r5q, 2 | |
323 | %if ARCH_X86_32 || notcpuflag(avx) | |
324 | mov OFFQ, r5q | |
325 | %define i r5q | |
326 | mov i, 16 * 4 - (ARCH_X86_64 + 1) * mmsize ; main loop counter | |
327 | %else | |
328 | %define i 0 | |
329 | %define OFFQ r5q | |
330 | %endif | |
331 | ||
332 | %define buf2 synth_buf2q | |
333 | %if ARCH_X86_32 | |
334 | mov buf2, synth_buf2mp | |
335 | %endif | |
336 | .mainloop | |
337 | ; m1 = a m2 = b m3 = c m4 = d | |
338 | SETZERO m3 | |
339 | SETZERO m4 | |
340 | mova m1, [buf2 + i] | |
341 | mova m2, [buf2 + i + 16 * 4] | |
342 | %if ARCH_X86_32 | |
343 | %define ptr1 r0q | |
344 | %define ptr2 r1q | |
345 | %define win r2q | |
346 | %define j r3q | |
347 | mov win, windowm | |
348 | mov ptr1, synth_bufm | |
349 | %if ARCH_X86_32 || notcpuflag(avx) | |
350 | add win, i | |
351 | add ptr1, i | |
352 | %endif | |
353 | %else ; ARCH_X86_64 | |
354 | %define ptr1 r6q | |
355 | %define ptr2 r7q ; must be loaded | |
356 | %define win r8q | |
357 | %define j r9q | |
358 | SETZERO m9 | |
359 | SETZERO m10 | |
360 | mova m7, [buf2 + i + mmsize] | |
361 | mova m8, [buf2 + i + mmsize + 16 * 4] | |
362 | lea win, [windowq + i] | |
363 | lea ptr1, [synth_bufq + i] | |
364 | %endif | |
365 | mov ptr2, synth_bufmp | |
366 | ; prepare the inner loop counter | |
367 | mov j, OFFQ | |
368 | %if ARCH_X86_32 || notcpuflag(avx) | |
369 | sub ptr2, i | |
370 | %endif | |
371 | .loop1: | |
372 | INNER_LOOP 0 | |
373 | jge .loop1 | |
374 | ||
375 | mov j, 448 * 4 | |
376 | sub j, OFFQ | |
377 | jz .end | |
378 | sub ptr1, j | |
379 | sub ptr2, j | |
380 | add win, OFFQ ; now at j-64, so define OFFSET | |
381 | sub j, 64 * 4 | |
382 | .loop2: | |
383 | INNER_LOOP 64 * 4 | |
384 | jge .loop2 | |
385 | ||
386 | .end: | |
387 | %if ARCH_X86_32 | |
388 | mov buf2, synth_buf2m ; needed for next iteration anyway | |
389 | mov outq, outmp ; j, which will be set again during it | |
390 | %endif | |
391 | ;~ out[i] = a * scale; | |
392 | ;~ out[i + 16] = b * scale; | |
393 | mulps m1, m1, scale | |
394 | mulps m2, m2, scale | |
395 | %if ARCH_X86_64 | |
396 | mulps m7, m7, scale | |
397 | mulps m8, m8, scale | |
398 | %endif | |
399 | ;~ synth_buf2[i] = c; | |
400 | ;~ synth_buf2[i + 16] = d; | |
401 | mova [buf2 + i + 0 * 4], m3 | |
402 | mova [buf2 + i + 16 * 4], m4 | |
403 | %if ARCH_X86_64 | |
404 | mova [buf2 + i + 0 * 4 + mmsize], m9 | |
405 | mova [buf2 + i + 16 * 4 + mmsize], m10 | |
406 | %endif | |
407 | ;~ out[i] = a; | |
408 | ;~ out[i + 16] = a; | |
409 | mova [outq + i + 0 * 4], m1 | |
410 | mova [outq + i + 16 * 4], m2 | |
411 | %if ARCH_X86_64 | |
412 | mova [outq + i + 0 * 4 + mmsize], m7 | |
413 | mova [outq + i + 16 * 4 + mmsize], m8 | |
414 | %endif | |
415 | %if ARCH_X86_32 || notcpuflag(avx) | |
416 | sub i, (ARCH_X86_64 + 1) * mmsize | |
417 | jge .mainloop | |
418 | %endif | |
419 | RET | |
420 | %endmacro | |
421 | ||
422 | %if ARCH_X86_32 | |
423 | INIT_XMM sse | |
424 | SYNTH_FILTER | |
425 | %endif | |
426 | INIT_XMM sse2 | |
427 | SYNTH_FILTER | |
428 | INIT_YMM avx | |
429 | SYNTH_FILTER | |
430 | INIT_YMM fma3 | |
431 | SYNTH_FILTER |