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Imported Debian version 2.4.3~trusty1
[deb_ffmpeg.git] / ffmpeg / libavcodec / x86 / fmtconvert.asm
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2ba45a60
DM		 1;******************************************************************************
2;* x86 optimized Format Conversion Utils
3;* Copyright (c) 2008 Loren Merritt
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
24SECTION_TEXT
25
26%macro CVTPS2PI 2
27%if cpuflag(sse)
28 cvtps2pi %1, %2
29%elif cpuflag(3dnow)
30 pf2id %1, %2
31%endif
32%endmacro
33
34;------------------------------------------------------------------------------
35; void ff_int32_to_float_fmul_scalar(float *dst, const int32_t *src, float mul,
36; int len);
37;------------------------------------------------------------------------------
38%macro INT32_TO_FLOAT_FMUL_SCALAR 1
39%if UNIX64
40cglobal int32_to_float_fmul_scalar, 3, 3, %1, dst, src, len
41%else
42cglobal int32_to_float_fmul_scalar, 4, 4, %1, dst, src, mul, len
43%endif
44%if WIN64
45 SWAP 0, 2
46%elif ARCH_X86_32
47 movss m0, mulm
48%endif
49 SPLATD m0
50 shl lenq, 2
51 add srcq, lenq
52 add dstq, lenq
53 neg lenq
54.loop:
55%if cpuflag(sse2)
56 cvtdq2ps m1, [srcq+lenq ]
57 cvtdq2ps m2, [srcq+lenq+16]
58%else
59 cvtpi2ps m1, [srcq+lenq ]
60 cvtpi2ps m3, [srcq+lenq+ 8]
61 cvtpi2ps m2, [srcq+lenq+16]
62 cvtpi2ps m4, [srcq+lenq+24]
63 movlhps m1, m3
64 movlhps m2, m4
65%endif
66 mulps m1, m0
67 mulps m2, m0
68 mova [dstq+lenq ], m1
69 mova [dstq+lenq+16], m2
70 add lenq, 32
71 jl .loop
72 REP_RET
73%endmacro
74
75INIT_XMM sse
76INT32_TO_FLOAT_FMUL_SCALAR 5
77INIT_XMM sse2
78INT32_TO_FLOAT_FMUL_SCALAR 3
79
80
81;------------------------------------------------------------------------------
82; void ff_float_to_int16(int16_t *dst, const float *src, long len);
83;------------------------------------------------------------------------------
84%macro FLOAT_TO_INT16 1
85cglobal float_to_int16, 3, 3, %1, dst, src, len
86 add lenq, lenq
87 lea srcq, [srcq+2*lenq]
88 add dstq, lenq
89 neg lenq
90.loop:
91%if cpuflag(sse2)
92 cvtps2dq m0, [srcq+2*lenq ]
93 cvtps2dq m1, [srcq+2*lenq+16]
94 packssdw m0, m1
95 mova [dstq+lenq], m0
96%else
97 CVTPS2PI m0, [srcq+2*lenq ]
98 CVTPS2PI m1, [srcq+2*lenq+ 8]
99 CVTPS2PI m2, [srcq+2*lenq+16]
100 CVTPS2PI m3, [srcq+2*lenq+24]
101 packssdw m0, m1
102 packssdw m2, m3
103 mova [dstq+lenq ], m0
104 mova [dstq+lenq+8], m2
105%endif
106 add lenq, 16
107 js .loop
108%if mmsize == 8
109 emms
110%endif
111 REP_RET
112%endmacro
113
114INIT_XMM sse2
115FLOAT_TO_INT16 2
116INIT_MMX sse
117FLOAT_TO_INT16 0
118INIT_MMX 3dnow
119FLOAT_TO_INT16 0
120
121;------------------------------------------------------------------------------
122; void ff_float_to_int16_step(int16_t *dst, const float *src, long len, long step);
123;------------------------------------------------------------------------------
124%macro FLOAT_TO_INT16_STEP 1
125cglobal float_to_int16_step, 4, 7, %1, dst, src, len, step, step3, v1, v2
126 add lenq, lenq
127 lea srcq, [srcq+2*lenq]
128 lea step3q, [stepq*3]
129 neg lenq
130.loop:
131%if cpuflag(sse2)
132 cvtps2dq m0, [srcq+2*lenq ]
133 cvtps2dq m1, [srcq+2*lenq+16]
134 packssdw m0, m1
135 movd v1d, m0
136 psrldq m0, 4
137 movd v2d, m0
138 psrldq m0, 4
139 mov [dstq], v1w
140 mov [dstq+stepq*4], v2w
141 shr v1d, 16
142 shr v2d, 16
143 mov [dstq+stepq*2], v1w
144 mov [dstq+step3q*2], v2w
145 lea dstq, [dstq+stepq*8]
146 movd v1d, m0
147 psrldq m0, 4
148 movd v2d, m0
149 mov [dstq], v1w
150 mov [dstq+stepq*4], v2w
151 shr v1d, 16
152 shr v2d, 16
153 mov [dstq+stepq*2], v1w
154 mov [dstq+step3q*2], v2w
155 lea dstq, [dstq+stepq*8]
156%else
157 CVTPS2PI m0, [srcq+2*lenq ]
158 CVTPS2PI m1, [srcq+2*lenq+ 8]
159 CVTPS2PI m2, [srcq+2*lenq+16]
160 CVTPS2PI m3, [srcq+2*lenq+24]
161 packssdw m0, m1
162 packssdw m2, m3
163 movd v1d, m0
164 psrlq m0, 32
165 movd v2d, m0
166 mov [dstq], v1w
167 mov [dstq+stepq*4], v2w
168 shr v1d, 16
169 shr v2d, 16
170 mov [dstq+stepq*2], v1w
171 mov [dstq+step3q*2], v2w
172 lea dstq, [dstq+stepq*8]
173 movd v1d, m2
174 psrlq m2, 32
175 movd v2d, m2
176 mov [dstq], v1w
177 mov [dstq+stepq*4], v2w
178 shr v1d, 16
179 shr v2d, 16
180 mov [dstq+stepq*2], v1w
181 mov [dstq+step3q*2], v2w
182 lea dstq, [dstq+stepq*8]
183%endif
184 add lenq, 16
185 js .loop
186%if mmsize == 8
187 emms
188%endif
189 REP_RET
190%endmacro
191
192INIT_XMM sse2
193FLOAT_TO_INT16_STEP 2
194INIT_MMX sse
195FLOAT_TO_INT16_STEP 0
196INIT_MMX 3dnow
197FLOAT_TO_INT16_STEP 0
198
199;-------------------------------------------------------------------------------
200; void ff_float_to_int16_interleave2(int16_t *dst, const float **src, long len);
201;-------------------------------------------------------------------------------
202%macro FLOAT_TO_INT16_INTERLEAVE2 0
203cglobal float_to_int16_interleave2, 3, 4, 2, dst, src0, src1, len
204 lea lenq, [4*r2q]
205 mov src1q, [src0q+gprsize]
206 mov src0q, [src0q]
207 add dstq, lenq
208 add src0q, lenq
209 add src1q, lenq
210 neg lenq
211.loop:
212%if cpuflag(sse2)
213 cvtps2dq m0, [src0q+lenq]
214 cvtps2dq m1, [src1q+lenq]
215 packssdw m0, m1
216 movhlps m1, m0
217 punpcklwd m0, m1
218 mova [dstq+lenq], m0
219%else
220 CVTPS2PI m0, [src0q+lenq ]
221 CVTPS2PI m1, [src0q+lenq+8]
222 CVTPS2PI m2, [src1q+lenq ]
223 CVTPS2PI m3, [src1q+lenq+8]
224 packssdw m0, m1
225 packssdw m2, m3
226 mova m1, m0
227 punpcklwd m0, m2
228 punpckhwd m1, m2
229 mova [dstq+lenq ], m0
230 mova [dstq+lenq+8], m1
231%endif
232 add lenq, 16
233 js .loop
234%if mmsize == 8
235 emms
236%endif
237 REP_RET
238%endmacro
239
240INIT_MMX 3dnow
241FLOAT_TO_INT16_INTERLEAVE2
242INIT_MMX sse
243FLOAT_TO_INT16_INTERLEAVE2
244INIT_XMM sse2
245FLOAT_TO_INT16_INTERLEAVE2
246
247;-----------------------------------------------------------------------------
248; void ff_float_to_int16_interleave6(int16_t *dst, const float **src, int len)
249;-----------------------------------------------------------------------------
250%macro FLOAT_TO_INT16_INTERLEAVE6 0
251cglobal float_to_int16_interleave6, 2, 8, 0, dst, src, src1, src2, src3, src4, src5, len
252%if ARCH_X86_64
253 mov lend, r2d
254%else
255 %define lend dword r2m
256%endif
257 mov src1q, [srcq+1*gprsize]
258 mov src2q, [srcq+2*gprsize]
259 mov src3q, [srcq+3*gprsize]
260 mov src4q, [srcq+4*gprsize]
261 mov src5q, [srcq+5*gprsize]
262 mov srcq, [srcq]
263 sub src1q, srcq
264 sub src2q, srcq
265 sub src3q, srcq
266 sub src4q, srcq
267 sub src5q, srcq
268.loop:
269 CVTPS2PI mm0, [srcq]
270 CVTPS2PI mm1, [srcq+src1q]
271 CVTPS2PI mm2, [srcq+src2q]
272 CVTPS2PI mm3, [srcq+src3q]
273 CVTPS2PI mm4, [srcq+src4q]
274 CVTPS2PI mm5, [srcq+src5q]
275 packssdw mm0, mm3
276 packssdw mm1, mm4
277 packssdw mm2, mm5
278 PSWAPD mm3, mm0
279 punpcklwd mm0, mm1
280 punpckhwd mm1, mm2
281 punpcklwd mm2, mm3
282 PSWAPD mm3, mm0
283 punpckldq mm0, mm2
284 punpckhdq mm2, mm1
285 punpckldq mm1, mm3
286 movq [dstq ], mm0
287 movq [dstq+16], mm2
288 movq [dstq+ 8], mm1
289 add srcq, 8
290 add dstq, 24
291 sub lend, 2
292 jg .loop
293 emms
294 RET
295%endmacro ; FLOAT_TO_INT16_INTERLEAVE6
296
297INIT_MMX sse
298FLOAT_TO_INT16_INTERLEAVE6
299INIT_MMX 3dnow
300FLOAT_TO_INT16_INTERLEAVE6
301INIT_MMX 3dnowext
302FLOAT_TO_INT16_INTERLEAVE6
303
304;-----------------------------------------------------------------------------
305; void ff_float_interleave6(float *dst, const float **src, unsigned int len);
306;-----------------------------------------------------------------------------
307
308%macro FLOAT_INTERLEAVE6 1
309cglobal float_interleave6, 2, 8, %1, dst, src, src1, src2, src3, src4, src5, len
310%if ARCH_X86_64
311 mov lend, r2d
312%else
313 %define lend dword r2m
314%endif
315 mov src1q, [srcq+1*gprsize]
316 mov src2q, [srcq+2*gprsize]
317 mov src3q, [srcq+3*gprsize]
318 mov src4q, [srcq+4*gprsize]
319 mov src5q, [srcq+5*gprsize]
320 mov srcq, [srcq]
321 sub src1q, srcq
322 sub src2q, srcq
323 sub src3q, srcq
324 sub src4q, srcq
325 sub src5q, srcq
326.loop:
327%if cpuflag(sse)
328 movaps m0, [srcq]
329 movaps m1, [srcq+src1q]
330 movaps m2, [srcq+src2q]
331 movaps m3, [srcq+src3q]
332 movaps m4, [srcq+src4q]
333 movaps m5, [srcq+src5q]
334
335 SBUTTERFLYPS 0, 1, 6
336 SBUTTERFLYPS 2, 3, 6
337 SBUTTERFLYPS 4, 5, 6
338
339 movaps m6, m4
340 shufps m4, m0, 0xe4
341 movlhps m0, m2
342 movhlps m6, m2
343 movaps [dstq ], m0
344 movaps [dstq+16], m4
345 movaps [dstq+32], m6
346
347 movaps m6, m5
348 shufps m5, m1, 0xe4
349 movlhps m1, m3
350 movhlps m6, m3
351 movaps [dstq+48], m1
352 movaps [dstq+64], m5
353 movaps [dstq+80], m6
354%else ; mmx
355 movq m0, [srcq]
356 movq m1, [srcq+src1q]
357 movq m2, [srcq+src2q]
358 movq m3, [srcq+src3q]
359 movq m4, [srcq+src4q]
360 movq m5, [srcq+src5q]
361
362 SBUTTERFLY dq, 0, 1, 6
363 SBUTTERFLY dq, 2, 3, 6
364 SBUTTERFLY dq, 4, 5, 6
365 movq [dstq ], m0
366 movq [dstq+ 8], m2
367 movq [dstq+16], m4
368 movq [dstq+24], m1
369 movq [dstq+32], m3
370 movq [dstq+40], m5
371%endif
372 add srcq, mmsize
373 add dstq, mmsize*6
374 sub lend, mmsize/4
375 jg .loop
376%if mmsize == 8
377 emms
378%endif
379 REP_RET
380%endmacro
381
382INIT_MMX mmx
383FLOAT_INTERLEAVE6 0
384INIT_XMM sse
385FLOAT_INTERLEAVE6 7
386
387;-----------------------------------------------------------------------------
388; void ff_float_interleave2(float *dst, const float **src, unsigned int len);
389;-----------------------------------------------------------------------------
390
391%macro FLOAT_INTERLEAVE2 1
392cglobal float_interleave2, 3, 4, %1, dst, src, len, src1
393 mov src1q, [srcq+gprsize]
394 mov srcq, [srcq ]
395 sub src1q, srcq
396.loop:
397 mova m0, [srcq ]
398 mova m1, [srcq+src1q ]
399 mova m3, [srcq +mmsize]
400 mova m4, [srcq+src1q+mmsize]
401
402 mova m2, m0
403 PUNPCKLDQ m0, m1
404 PUNPCKHDQ m2, m1
405
406 mova m1, m3
407 PUNPCKLDQ m3, m4
408 PUNPCKHDQ m1, m4
409
410 mova [dstq ], m0
411 mova [dstq+1*mmsize], m2
412 mova [dstq+2*mmsize], m3
413 mova [dstq+3*mmsize], m1
414
415 add srcq, mmsize*2
416 add dstq, mmsize*4
417 sub lend, mmsize/2
418 jg .loop
419%if mmsize == 8
420 emms
421%endif
422 REP_RET
423%endmacro
424
425INIT_MMX mmx
426%define PUNPCKLDQ punpckldq
427%define PUNPCKHDQ punpckhdq
428FLOAT_INTERLEAVE2 0
429INIT_XMM sse
430%define PUNPCKLDQ unpcklps
431%define PUNPCKHDQ unpckhps
432FLOAT_INTERLEAVE2 5
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