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1 | /* |
2 | * Copyright (C) 2003 Michael Niedermayer <michaelni@gmx.at> | |
3 | * Copyright (C) 2005 Nikolaj Poroshin <porosh3@psu.ru> | |
4 | * | |
5 | * This file is part of MPlayer. | |
6 | * | |
7 | * MPlayer is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * MPlayer 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 | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License along | |
18 | * with MPlayer; if not, write to the Free Software Foundation, Inc., | |
19 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
20 | */ | |
21 | ||
22 | /* | |
23 | * This implementation is based on an algorithm described in | |
24 | * "Aria Nosratinia Embedded Post-Processing for | |
25 | * Enhancement of Compressed Images (1999)" | |
26 | * (http://citeseer.nj.nec.com/nosratinia99embedded.html) | |
27 | * Further, with splitting (i)dct into hor/ver passes, one of them can be | |
28 | * performed once per block, not pixel. This allows for much better speed. | |
29 | */ | |
30 | ||
31 | /* | |
32 | Heavily optimized version of SPP filter by Nikolaj | |
33 | */ | |
34 | ||
35 | #include <stdio.h> | |
36 | #include <stdlib.h> | |
37 | #include <string.h> | |
38 | #include <inttypes.h> | |
39 | #include <math.h> | |
40 | ||
41 | #include "config.h" | |
42 | ||
43 | #include "mp_msg.h" | |
44 | #include "cpudetect.h" | |
45 | #include "img_format.h" | |
46 | #include "mp_image.h" | |
47 | #include "vf.h" | |
48 | #include "av_helpers.h" | |
49 | #include "libvo/fastmemcpy.h" | |
50 | ||
51 | #include "libavutil/internal.h" | |
52 | #include "libavutil/intreadwrite.h" | |
53 | #include "libavutil/mem.h" | |
54 | #include "libavutil/x86/asm.h" | |
55 | #include "libavcodec/avcodec.h" | |
56 | ||
57 | #undef free | |
58 | #undef malloc | |
59 | ||
60 | //===========================================================================// | |
61 | #define BLOCKSZ 12 | |
62 | ||
63 | static const short custom_threshold[64]= | |
64 | // values (296) can't be too high | |
65 | // -it causes too big quant dependence | |
66 | // or maybe overflow(check), which results in some flashing | |
67 | { 71, 296, 295, 237, 71, 40, 38, 19, | |
68 | 245, 193, 185, 121, 102, 73, 53, 27, | |
69 | 158, 129, 141, 107, 97, 73, 50, 26, | |
70 | 102, 116, 109, 98, 82, 66, 45, 23, | |
71 | 71, 94, 95, 81, 70, 56, 38, 20, | |
72 | 56, 77, 74, 66, 56, 44, 30, 15, | |
73 | 38, 53, 50, 45, 38, 30, 21, 11, | |
74 | 20, 27, 26, 23, 20, 15, 11, 5 | |
75 | }; | |
76 | ||
77 | DECLARE_ALIGNED(32, static const uint8_t, dither)[8][8] = { | |
78 | { 0, 48, 12, 60, 3, 51, 15, 63, }, | |
79 | { 32, 16, 44, 28, 35, 19, 47, 31, }, | |
80 | { 8, 56, 4, 52, 11, 59, 7, 55, }, | |
81 | { 40, 24, 36, 20, 43, 27, 39, 23, }, | |
82 | { 2, 50, 14, 62, 1, 49, 13, 61, }, | |
83 | { 34, 18, 46, 30, 33, 17, 45, 29, }, | |
84 | { 10, 58, 6, 54, 9, 57, 5, 53, }, | |
85 | { 42, 26, 38, 22, 41, 25, 37, 21, }, | |
86 | }; | |
87 | ||
88 | struct vf_priv_s { //align 16 ! | |
89 | uint64_t threshold_mtx_noq[8*2]; | |
90 | uint64_t threshold_mtx[8*2];//used in both C & MMX (& later SSE2) versions | |
91 | ||
92 | int log2_count; | |
93 | int temp_stride; | |
94 | int qp; | |
95 | int mpeg2; | |
96 | int prev_q; | |
97 | uint8_t *src; | |
98 | int16_t *temp; | |
99 | int bframes; | |
100 | char *non_b_qp; | |
101 | }; | |
102 | ||
103 | ||
104 | #if !HAVE_MMX | |
105 | ||
106 | //This func reads from 1 slice, 1 and clears 0 & 1 | |
107 | static void store_slice_c(uint8_t *dst, int16_t *src, int dst_stride, int src_stride, int width, int height, int log2_scale) | |
108 | {int y, x; | |
109 | #define STORE(pos) \ | |
110 | temp= (src[x + pos] + (d[pos]>>log2_scale))>>(6-log2_scale); \ | |
111 | src[x + pos]=src[x + pos - 8*src_stride]=0; \ | |
112 | if(temp & 0x100) temp= ~(temp>>31); \ | |
113 | dst[x + pos]= temp; | |
114 | ||
115 | for(y=0; y<height; y++){ | |
116 | const uint8_t *d= dither[y]; | |
117 | for(x=0; x<width; x+=8){ | |
118 | int temp; | |
119 | STORE(0); | |
120 | STORE(1); | |
121 | STORE(2); | |
122 | STORE(3); | |
123 | STORE(4); | |
124 | STORE(5); | |
125 | STORE(6); | |
126 | STORE(7); | |
127 | } | |
128 | src+=src_stride; | |
129 | dst+=dst_stride; | |
130 | } | |
131 | } | |
132 | ||
133 | //This func reads from 2 slices, 0 & 2 and clears 2-nd | |
134 | static void store_slice2_c(uint8_t *dst, int16_t *src, int dst_stride, int src_stride, int width, int height, int log2_scale) | |
135 | {int y, x; | |
136 | #define STORE2(pos) \ | |
137 | temp= (src[x + pos] + src[x + pos + 16*src_stride] + (d[pos]>>log2_scale))>>(6-log2_scale); \ | |
138 | src[x + pos + 16*src_stride]=0; \ | |
139 | if(temp & 0x100) temp= ~(temp>>31); \ | |
140 | dst[x + pos]= temp; | |
141 | ||
142 | for(y=0; y<height; y++){ | |
143 | const uint8_t *d= dither[y]; | |
144 | for(x=0; x<width; x+=8){ | |
145 | int temp; | |
146 | STORE2(0); | |
147 | STORE2(1); | |
148 | STORE2(2); | |
149 | STORE2(3); | |
150 | STORE2(4); | |
151 | STORE2(5); | |
152 | STORE2(6); | |
153 | STORE2(7); | |
154 | } | |
155 | src+=src_stride; | |
156 | dst+=dst_stride; | |
157 | } | |
158 | } | |
159 | ||
160 | static void mul_thrmat_c(struct vf_priv_s *p,int q) | |
161 | { | |
162 | int a; | |
163 | for(a=0;a<64;a++) | |
164 | ((short*)p->threshold_mtx)[a]=q * ((short*)p->threshold_mtx_noq)[a];//ints faster in C | |
165 | } | |
166 | ||
167 | static void column_fidct_c(int16_t* thr_adr, int16_t *data, int16_t *output, int cnt); | |
168 | static void row_idct_c(int16_t* workspace, | |
169 | int16_t* output_adr, int output_stride, int cnt); | |
170 | static void row_fdct_c(int16_t *data, const uint8_t *pixels, int line_size, int cnt); | |
171 | ||
172 | //this is rather ugly, but there is no need for function pointers | |
173 | #define store_slice_s store_slice_c | |
174 | #define store_slice2_s store_slice2_c | |
175 | #define mul_thrmat_s mul_thrmat_c | |
176 | #define column_fidct_s column_fidct_c | |
177 | #define row_idct_s row_idct_c | |
178 | #define row_fdct_s row_fdct_c | |
179 | ||
180 | #else /* HAVE_MMX */ | |
181 | ||
182 | //This func reads from 1 slice, 1 and clears 0 & 1 | |
183 | static void store_slice_mmx(uint8_t *dst, int16_t *src, long dst_stride, long src_stride, long width, long height, long log2_scale) | |
184 | { | |
185 | const uint8_t *od=&dither[0][0]; | |
186 | const uint8_t *end=&dither[height][0]; | |
187 | width = (width+7)&~7; | |
188 | dst_stride-=width; | |
189 | //src_stride=(src_stride-width)*2; | |
190 | __asm__ volatile( | |
191 | "mov %5, %%"REG_d" \n\t" | |
192 | "mov %6, %%"REG_S" \n\t" | |
193 | "mov %7, %%"REG_D" \n\t" | |
194 | "mov %1, %%"REG_a" \n\t" | |
195 | "movd %%"REG_d", %%mm5 \n\t" | |
196 | "xor $-1, %%"REG_d" \n\t" | |
197 | "mov %%"REG_a", %%"REG_c" \n\t" | |
198 | "add $7, %%"REG_d" \n\t" | |
199 | "neg %%"REG_a" \n\t" | |
200 | "sub %0, %%"REG_c" \n\t" | |
201 | "add %%"REG_c", %%"REG_c" \n\t" | |
202 | "movd %%"REG_d", %%mm2 \n\t" | |
203 | "mov %%"REG_c", %1 \n\t" | |
204 | "mov %2, %%"REG_d" \n\t" | |
205 | "shl $4, %%"REG_a" \n\t" | |
206 | ||
207 | "2: \n\t" | |
208 | "movq (%%"REG_d"), %%mm3 \n\t" | |
209 | "movq %%mm3, %%mm4 \n\t" | |
210 | "pxor %%mm7, %%mm7 \n\t" | |
211 | "punpcklbw %%mm7, %%mm3 \n\t" | |
212 | "punpckhbw %%mm7, %%mm4 \n\t" | |
213 | "mov %0, %%"REG_c" \n\t" | |
214 | "psraw %%mm5, %%mm3 \n\t" | |
215 | "psraw %%mm5, %%mm4 \n\t" | |
216 | "1: \n\t" | |
217 | "movq %%mm7, (%%"REG_S",%%"REG_a") \n\t" | |
218 | "movq (%%"REG_S"), %%mm0 \n\t" | |
219 | "movq 8(%%"REG_S"), %%mm1 \n\t" | |
220 | ||
221 | "movq %%mm7, 8(%%"REG_S",%%"REG_a") \n\t" | |
222 | "paddw %%mm3, %%mm0 \n\t" | |
223 | "paddw %%mm4, %%mm1 \n\t" | |
224 | ||
225 | "movq %%mm7, (%%"REG_S") \n\t" | |
226 | "psraw %%mm2, %%mm0 \n\t" | |
227 | "psraw %%mm2, %%mm1 \n\t" | |
228 | ||
229 | "movq %%mm7, 8(%%"REG_S") \n\t" | |
230 | "packuswb %%mm1, %%mm0 \n\t" | |
231 | "add $16, %%"REG_S" \n\t" | |
232 | ||
233 | "movq %%mm0, (%%"REG_D") \n\t" | |
234 | "add $8, %%"REG_D" \n\t" | |
235 | "sub $8, %%"REG_c" \n\t" | |
236 | "jg 1b \n\t" | |
237 | "add %1, %%"REG_S" \n\t" | |
238 | "add $8, %%"REG_d" \n\t" | |
239 | "add %3, %%"REG_D" \n\t" | |
240 | "cmp %4, %%"REG_d" \n\t" | |
241 | "jl 2b \n\t" | |
242 | ||
243 | : | |
244 | : "m" (width), "m" (src_stride), "erm" (od), "m" (dst_stride), "erm" (end), | |
245 | "m" (log2_scale), "m" (src), "m" (dst) //input | |
246 | : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D | |
247 | ); | |
248 | } | |
249 | ||
250 | //This func reads from 2 slices, 0 & 2 and clears 2-nd | |
251 | static void store_slice2_mmx(uint8_t *dst, int16_t *src, long dst_stride, long src_stride, long width, long height, long log2_scale) | |
252 | { | |
253 | const uint8_t *od=&dither[0][0]; | |
254 | const uint8_t *end=&dither[height][0]; | |
255 | width = (width+7)&~7; | |
256 | dst_stride-=width; | |
257 | //src_stride=(src_stride-width)*2; | |
258 | __asm__ volatile( | |
259 | "mov %5, %%"REG_d" \n\t" | |
260 | "mov %6, %%"REG_S" \n\t" | |
261 | "mov %7, %%"REG_D" \n\t" | |
262 | "mov %1, %%"REG_a" \n\t" | |
263 | "movd %%"REG_d", %%mm5 \n\t" | |
264 | "xor $-1, %%"REG_d" \n\t" | |
265 | "mov %%"REG_a", %%"REG_c" \n\t" | |
266 | "add $7, %%"REG_d" \n\t" | |
267 | "sub %0, %%"REG_c" \n\t" | |
268 | "add %%"REG_c", %%"REG_c" \n\t" | |
269 | "movd %%"REG_d", %%mm2 \n\t" | |
270 | "mov %%"REG_c", %1 \n\t" | |
271 | "mov %2, %%"REG_d" \n\t" | |
272 | "shl $5, %%"REG_a" \n\t" | |
273 | ||
274 | "2: \n\t" | |
275 | "movq (%%"REG_d"), %%mm3 \n\t" | |
276 | "movq %%mm3, %%mm4 \n\t" | |
277 | "pxor %%mm7, %%mm7 \n\t" | |
278 | "punpcklbw %%mm7, %%mm3 \n\t" | |
279 | "punpckhbw %%mm7, %%mm4 \n\t" | |
280 | "mov %0, %%"REG_c" \n\t" | |
281 | "psraw %%mm5, %%mm3 \n\t" | |
282 | "psraw %%mm5, %%mm4 \n\t" | |
283 | "1: \n\t" | |
284 | "movq (%%"REG_S"), %%mm0 \n\t" | |
285 | "movq 8(%%"REG_S"), %%mm1 \n\t" | |
286 | "paddw %%mm3, %%mm0 \n\t" | |
287 | ||
288 | "paddw (%%"REG_S",%%"REG_a"), %%mm0 \n\t" | |
289 | "paddw %%mm4, %%mm1 \n\t" | |
290 | "movq 8(%%"REG_S",%%"REG_a"), %%mm6 \n\t" | |
291 | ||
292 | "movq %%mm7, (%%"REG_S",%%"REG_a") \n\t" | |
293 | "psraw %%mm2, %%mm0 \n\t" | |
294 | "paddw %%mm6, %%mm1 \n\t" | |
295 | ||
296 | "movq %%mm7, 8(%%"REG_S",%%"REG_a") \n\t" | |
297 | "psraw %%mm2, %%mm1 \n\t" | |
298 | "packuswb %%mm1, %%mm0 \n\t" | |
299 | ||
300 | "movq %%mm0, (%%"REG_D") \n\t" | |
301 | "add $16, %%"REG_S" \n\t" | |
302 | "add $8, %%"REG_D" \n\t" | |
303 | "sub $8, %%"REG_c" \n\t" | |
304 | "jg 1b \n\t" | |
305 | "add %1, %%"REG_S" \n\t" | |
306 | "add $8, %%"REG_d" \n\t" | |
307 | "add %3, %%"REG_D" \n\t" | |
308 | "cmp %4, %%"REG_d" \n\t" | |
309 | "jl 2b \n\t" | |
310 | ||
311 | : | |
312 | : "m" (width), "m" (src_stride), "erm" (od), "m" (dst_stride), "erm" (end), | |
313 | "m" (log2_scale), "m" (src), "m" (dst) //input | |
314 | : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_D, "%"REG_S | |
315 | ); | |
316 | } | |
317 | ||
318 | static void mul_thrmat_mmx(struct vf_priv_s *p, int q) | |
319 | { | |
320 | uint64_t *adr=&p->threshold_mtx_noq[0]; | |
321 | __asm__ volatile( | |
322 | "movd %0, %%mm7 \n\t" | |
323 | "add $8*8*2, %%"REG_D" \n\t" | |
324 | "movq 0*8(%%"REG_S"), %%mm0 \n\t" | |
325 | "punpcklwd %%mm7, %%mm7 \n\t" | |
326 | "movq 1*8(%%"REG_S"), %%mm1 \n\t" | |
327 | "punpckldq %%mm7, %%mm7 \n\t" | |
328 | "pmullw %%mm7, %%mm0 \n\t" | |
329 | ||
330 | "movq 2*8(%%"REG_S"), %%mm2 \n\t" | |
331 | "pmullw %%mm7, %%mm1 \n\t" | |
332 | ||
333 | "movq 3*8(%%"REG_S"), %%mm3 \n\t" | |
334 | "pmullw %%mm7, %%mm2 \n\t" | |
335 | ||
336 | "movq %%mm0, 0*8(%%"REG_D") \n\t" | |
337 | "movq 4*8(%%"REG_S"), %%mm4 \n\t" | |
338 | "pmullw %%mm7, %%mm3 \n\t" | |
339 | ||
340 | "movq %%mm1, 1*8(%%"REG_D") \n\t" | |
341 | "movq 5*8(%%"REG_S"), %%mm5 \n\t" | |
342 | "pmullw %%mm7, %%mm4 \n\t" | |
343 | ||
344 | "movq %%mm2, 2*8(%%"REG_D") \n\t" | |
345 | "movq 6*8(%%"REG_S"), %%mm6 \n\t" | |
346 | "pmullw %%mm7, %%mm5 \n\t" | |
347 | ||
348 | "movq %%mm3, 3*8(%%"REG_D") \n\t" | |
349 | "movq 7*8+0*8(%%"REG_S"), %%mm0 \n\t" | |
350 | "pmullw %%mm7, %%mm6 \n\t" | |
351 | ||
352 | "movq %%mm4, 4*8(%%"REG_D") \n\t" | |
353 | "movq 7*8+1*8(%%"REG_S"), %%mm1 \n\t" | |
354 | "pmullw %%mm7, %%mm0 \n\t" | |
355 | ||
356 | "movq %%mm5, 5*8(%%"REG_D") \n\t" | |
357 | "movq 7*8+2*8(%%"REG_S"), %%mm2 \n\t" | |
358 | "pmullw %%mm7, %%mm1 \n\t" | |
359 | ||
360 | "movq %%mm6, 6*8(%%"REG_D") \n\t" | |
361 | "movq 7*8+3*8(%%"REG_S"), %%mm3 \n\t" | |
362 | "pmullw %%mm7, %%mm2 \n\t" | |
363 | ||
364 | "movq %%mm0, 7*8+0*8(%%"REG_D") \n\t" | |
365 | "movq 7*8+4*8(%%"REG_S"), %%mm4 \n\t" | |
366 | "pmullw %%mm7, %%mm3 \n\t" | |
367 | ||
368 | "movq %%mm1, 7*8+1*8(%%"REG_D") \n\t" | |
369 | "movq 7*8+5*8(%%"REG_S"), %%mm5 \n\t" | |
370 | "pmullw %%mm7, %%mm4 \n\t" | |
371 | ||
372 | "movq %%mm2, 7*8+2*8(%%"REG_D") \n\t" | |
373 | "movq 7*8+6*8(%%"REG_S"), %%mm6 \n\t" | |
374 | "pmullw %%mm7, %%mm5 \n\t" | |
375 | ||
376 | "movq %%mm3, 7*8+3*8(%%"REG_D") \n\t" | |
377 | "movq 14*8+0*8(%%"REG_S"), %%mm0 \n\t" | |
378 | "pmullw %%mm7, %%mm6 \n\t" | |
379 | ||
380 | "movq %%mm4, 7*8+4*8(%%"REG_D") \n\t" | |
381 | "movq 14*8+1*8(%%"REG_S"), %%mm1 \n\t" | |
382 | "pmullw %%mm7, %%mm0 \n\t" | |
383 | ||
384 | "movq %%mm5, 7*8+5*8(%%"REG_D") \n\t" | |
385 | "pmullw %%mm7, %%mm1 \n\t" | |
386 | ||
387 | "movq %%mm6, 7*8+6*8(%%"REG_D") \n\t" | |
388 | "movq %%mm0, 14*8+0*8(%%"REG_D") \n\t" | |
389 | "movq %%mm1, 14*8+1*8(%%"REG_D") \n\t" | |
390 | ||
391 | : "+g" (q), "+S" (adr), "+D" (adr) | |
392 | : | |
393 | ); | |
394 | } | |
395 | ||
396 | static void column_fidct_mmx(int16_t* thr_adr, int16_t *data, int16_t *output, int cnt); | |
397 | static void row_idct_mmx(int16_t* workspace, | |
398 | int16_t* output_adr, int output_stride, int cnt); | |
399 | static void row_fdct_mmx(int16_t *data, const uint8_t *pixels, int line_size, int cnt); | |
400 | ||
401 | #define store_slice_s store_slice_mmx | |
402 | #define store_slice2_s store_slice2_mmx | |
403 | #define mul_thrmat_s mul_thrmat_mmx | |
404 | #define column_fidct_s column_fidct_mmx | |
405 | #define row_idct_s row_idct_mmx | |
406 | #define row_fdct_s row_fdct_mmx | |
407 | #endif // HAVE_MMX | |
408 | ||
409 | static void filter(struct vf_priv_s *p, uint8_t *dst, uint8_t *src, | |
410 | int dst_stride, int src_stride, | |
411 | int width, int height, | |
412 | uint8_t *qp_store, int qp_stride, int is_luma) | |
413 | { | |
414 | int x, x0, y, es, qy, t; | |
415 | const int stride= is_luma ? p->temp_stride : (width+16);//((width+16+15)&(~15)) | |
416 | const int step=6-p->log2_count; | |
417 | const int qps= 3 + is_luma; | |
418 | DECLARE_ALIGNED(32, int32_t, block_align)[4*8*BLOCKSZ+ 4*8*BLOCKSZ]; | |
419 | int16_t *block= (int16_t *)block_align; | |
420 | int16_t *block3=(int16_t *)(block_align+4*8*BLOCKSZ); | |
421 | ||
422 | memset(block3, 0, 4*8*BLOCKSZ); | |
423 | ||
424 | //p->src=src-src_stride*8-8;//! | |
425 | if (!src || !dst) return; // HACK avoid crash for Y8 colourspace | |
426 | for(y=0; y<height; y++){ | |
427 | int index= 8 + 8*stride + y*stride; | |
428 | fast_memcpy(p->src + index, src + y*src_stride, width);//this line can be avoided by using DR & user fr.buffers | |
429 | for(x=0; x<8; x++){ | |
430 | p->src[index - x - 1]= p->src[index + x ]; | |
431 | p->src[index + width + x ]= p->src[index + width - x - 1]; | |
432 | } | |
433 | } | |
434 | for(y=0; y<8; y++){ | |
435 | fast_memcpy(p->src + ( 7-y)*stride, p->src + ( y+8)*stride, stride); | |
436 | fast_memcpy(p->src + (height+8+y)*stride, p->src + (height-y+7)*stride, stride); | |
437 | } | |
438 | //FIXME (try edge emu) | |
439 | ||
440 | for(y=8; y<24; y++) | |
441 | memset(p->temp+ 8 +y*stride, 0,width*sizeof(int16_t)); | |
442 | ||
443 | for(y=step; y<height+8; y+=step){ //step= 1,2 | |
444 | qy=y-4; | |
445 | if (qy>height-1) qy=height-1; | |
446 | if (qy<0) qy=0; | |
447 | qy=(qy>>qps)*qp_stride; | |
448 | row_fdct_s(block, p->src + y*stride +2-(y&1), stride, 2); | |
449 | for(x0=0; x0<width+8-8*(BLOCKSZ-1); x0+=8*(BLOCKSZ-1)){ | |
450 | row_fdct_s(block+8*8, p->src + y*stride+8+x0 +2-(y&1), stride, 2*(BLOCKSZ-1)); | |
451 | if(p->qp) | |
452 | column_fidct_s((int16_t*)(&p->threshold_mtx[0]), block+0*8, block3+0*8, 8*(BLOCKSZ-1)); //yes, this is a HOTSPOT | |
453 | else | |
454 | for (x=0; x<8*(BLOCKSZ-1); x+=8) { | |
455 | t=x+x0-2; //correct t=x+x0-2-(y&1), but its the same | |
456 | if (t<0) t=0;//t always < width-2 | |
457 | t=qp_store[qy+(t>>qps)]; | |
458 | t=norm_qscale(t, p->mpeg2); | |
459 | if (t!=p->prev_q) p->prev_q=t, mul_thrmat_s(p, t); | |
460 | column_fidct_s((int16_t*)(&p->threshold_mtx[0]), block+x*8, block3+x*8, 8); //yes, this is a HOTSPOT | |
461 | } | |
462 | row_idct_s(block3+0*8, p->temp + (y&15)*stride+x0+2-(y&1), stride, 2*(BLOCKSZ-1)); | |
463 | memmove(block, block+(BLOCKSZ-1)*64, 8*8*sizeof(int16_t)); //cycling | |
464 | memmove(block3, block3+(BLOCKSZ-1)*64, 6*8*sizeof(int16_t)); | |
465 | } | |
466 | // | |
467 | es=width+8-x0; // 8, ... | |
468 | if (es>8) | |
469 | row_fdct_s(block+8*8, p->src + y*stride+8+x0 +2-(y&1), stride, (es-4)>>2); | |
470 | column_fidct_s((int16_t*)(&p->threshold_mtx[0]), block, block3, es&(~1)); | |
471 | row_idct_s(block3+0*8, p->temp + (y&15)*stride+x0+2-(y&1), stride, es>>2); | |
472 | {const int y1=y-8+step;//l5-7 l4-6 | |
473 | if (!(y1&7) && y1) { | |
474 | if (y1&8) store_slice_s(dst + (y1-8)*dst_stride, p->temp+ 8 +8*stride, | |
475 | dst_stride, stride, width, 8, 5-p->log2_count); | |
476 | else store_slice2_s(dst + (y1-8)*dst_stride, p->temp+ 8 +0*stride, | |
477 | dst_stride, stride, width, 8, 5-p->log2_count); | |
478 | } } | |
479 | } | |
480 | ||
481 | if (y&7) { // == height & 7 | |
482 | if (y&8) store_slice_s(dst + ((y-8)&~7)*dst_stride, p->temp+ 8 +8*stride, | |
483 | dst_stride, stride, width, y&7, 5-p->log2_count); | |
484 | else store_slice2_s(dst + ((y-8)&~7)*dst_stride, p->temp+ 8 +0*stride, | |
485 | dst_stride, stride, width, y&7, 5-p->log2_count); | |
486 | } | |
487 | } | |
488 | ||
489 | static int config(struct vf_instance *vf, | |
490 | int width, int height, int d_width, int d_height, | |
491 | unsigned int flags, unsigned int outfmt) | |
492 | { | |
493 | int h= (height+16+15)&(~15); | |
494 | ||
495 | vf->priv->temp_stride= (width+16+15)&(~15); | |
496 | vf->priv->temp= (int16_t*)av_mallocz(vf->priv->temp_stride*3*8*sizeof(int16_t)); | |
497 | //this can also be avoided, see above | |
498 | vf->priv->src = (uint8_t*)av_malloc(vf->priv->temp_stride*h*sizeof(uint8_t)); | |
499 | ||
500 | return ff_vf_next_config(vf,width,height,d_width,d_height,flags,outfmt); | |
501 | } | |
502 | ||
503 | static void get_image(struct vf_instance *vf, mp_image_t *mpi) | |
504 | { | |
505 | if(mpi->flags&MP_IMGFLAG_PRESERVE) return; // don't change | |
506 | // ok, we can do pp in-place (or pp disabled): | |
507 | vf->dmpi=ff_vf_get_image(vf->next,mpi->imgfmt, | |
508 | mpi->type, mpi->flags, mpi->width, mpi->height); | |
509 | mpi->planes[0]=vf->dmpi->planes[0]; | |
510 | mpi->stride[0]=vf->dmpi->stride[0]; | |
511 | mpi->width=vf->dmpi->width; | |
512 | if(mpi->flags&MP_IMGFLAG_PLANAR){ | |
513 | mpi->planes[1]=vf->dmpi->planes[1]; | |
514 | mpi->planes[2]=vf->dmpi->planes[2]; | |
515 | mpi->stride[1]=vf->dmpi->stride[1]; | |
516 | mpi->stride[2]=vf->dmpi->stride[2]; | |
517 | } | |
518 | mpi->flags|=MP_IMGFLAG_DIRECT; | |
519 | } | |
520 | ||
521 | static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts) | |
522 | { | |
523 | mp_image_t *dmpi; | |
524 | if(!(mpi->flags&MP_IMGFLAG_DIRECT)){ | |
525 | // no DR, so get a new image! hope we'll get DR buffer: | |
526 | dmpi=ff_vf_get_image(vf->next,mpi->imgfmt, | |
527 | MP_IMGTYPE_TEMP, | |
528 | MP_IMGFLAG_ACCEPT_STRIDE|MP_IMGFLAG_PREFER_ALIGNED_STRIDE, | |
529 | mpi->width,mpi->height); | |
530 | ff_vf_clone_mpi_attributes(dmpi, mpi); | |
531 | }else{ | |
532 | dmpi=vf->dmpi; | |
533 | } | |
534 | ||
535 | vf->priv->mpeg2= mpi->qscale_type; | |
536 | if(mpi->pict_type != 3 && mpi->qscale && !vf->priv->qp){ | |
537 | int w = mpi->qstride; | |
538 | int h = (mpi->h + 15) >> 4; | |
539 | if (!w) { | |
540 | w = (mpi->w + 15) >> 4; | |
541 | h = 1; | |
542 | } | |
543 | if(!vf->priv->non_b_qp) | |
544 | vf->priv->non_b_qp= malloc(w*h); | |
545 | fast_memcpy(vf->priv->non_b_qp, mpi->qscale, w*h); | |
546 | } | |
547 | if(vf->priv->log2_count || !(mpi->flags&MP_IMGFLAG_DIRECT)){ | |
548 | char *qp_tab= vf->priv->non_b_qp; | |
549 | if(vf->priv->bframes || !qp_tab) | |
550 | qp_tab= mpi->qscale; | |
551 | ||
552 | if(qp_tab || vf->priv->qp){ | |
553 | filter(vf->priv, dmpi->planes[0], mpi->planes[0], dmpi->stride[0], mpi->stride[0], | |
554 | mpi->w, mpi->h, qp_tab, mpi->qstride, 1); | |
555 | filter(vf->priv, dmpi->planes[1], mpi->planes[1], dmpi->stride[1], mpi->stride[1], | |
556 | mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, qp_tab, mpi->qstride, 0); | |
557 | filter(vf->priv, dmpi->planes[2], mpi->planes[2], dmpi->stride[2], mpi->stride[2], | |
558 | mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, qp_tab, mpi->qstride, 0); | |
559 | }else{ | |
560 | memcpy_pic(dmpi->planes[0], mpi->planes[0], mpi->w, mpi->h, dmpi->stride[0], mpi->stride[0]); | |
561 | memcpy_pic(dmpi->planes[1], mpi->planes[1], mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, dmpi->stride[1], mpi->stride[1]); | |
562 | memcpy_pic(dmpi->planes[2], mpi->planes[2], mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, dmpi->stride[2], mpi->stride[2]); | |
563 | } | |
564 | } | |
565 | ||
566 | #if HAVE_MMX | |
567 | if(ff_gCpuCaps.hasMMX) __asm__ volatile ("emms\n\t"); | |
568 | #endif | |
569 | #if HAVE_MMX2 | |
570 | if(ff_gCpuCaps.hasMMX2) __asm__ volatile ("sfence\n\t"); | |
571 | #endif | |
572 | return ff_vf_next_put_image(vf,dmpi, pts); | |
573 | } | |
574 | ||
575 | static void uninit(struct vf_instance *vf) | |
576 | { | |
577 | if(!vf->priv) return; | |
578 | ||
579 | av_free(vf->priv->temp); | |
580 | vf->priv->temp= NULL; | |
581 | av_free(vf->priv->src); | |
582 | vf->priv->src= NULL; | |
583 | //free(vf->priv->avctx); | |
584 | //vf->priv->avctx= NULL; | |
585 | free(vf->priv->non_b_qp); | |
586 | vf->priv->non_b_qp= NULL; | |
587 | ||
588 | av_free(vf->priv); | |
589 | vf->priv=NULL; | |
590 | } | |
591 | ||
592 | //===========================================================================// | |
593 | ||
594 | static int query_format(struct vf_instance *vf, unsigned int fmt) | |
595 | { | |
596 | switch(fmt){ | |
597 | case IMGFMT_YVU9: | |
598 | case IMGFMT_IF09: | |
599 | case IMGFMT_YV12: | |
600 | case IMGFMT_I420: | |
601 | case IMGFMT_IYUV: | |
602 | case IMGFMT_CLPL: | |
603 | case IMGFMT_Y800: | |
604 | case IMGFMT_Y8: | |
605 | case IMGFMT_444P: | |
606 | case IMGFMT_422P: | |
607 | case IMGFMT_411P: | |
608 | return ff_vf_next_query_format(vf,fmt); | |
609 | } | |
610 | return 0; | |
611 | } | |
612 | ||
613 | static int control(struct vf_instance *vf, int request, void* data) | |
614 | { | |
615 | switch(request){ | |
616 | case VFCTRL_QUERY_MAX_PP_LEVEL: | |
617 | return 5; | |
618 | case VFCTRL_SET_PP_LEVEL: | |
619 | vf->priv->log2_count= *((unsigned int*)data); | |
620 | if (vf->priv->log2_count < 4) vf->priv->log2_count=4; | |
621 | return CONTROL_TRUE; | |
622 | } | |
623 | return ff_vf_next_control(vf,request,data); | |
624 | } | |
625 | ||
626 | static int vf_open(vf_instance_t *vf, char *args) | |
627 | { | |
628 | int i=0, bias; | |
629 | int custom_threshold_m[64]; | |
630 | int log2c=-1; | |
631 | ||
632 | vf->config=config; | |
633 | vf->put_image=put_image; | |
634 | vf->get_image=get_image; | |
635 | vf->query_format=query_format; | |
636 | vf->uninit=uninit; | |
637 | vf->control= control; | |
638 | vf->priv=av_mallocz(sizeof(struct vf_priv_s));//assumes align 16 ! | |
639 | ||
640 | ff_init_avcodec(); | |
641 | ||
642 | //vf->priv->avctx= avcodec_alloc_context(); | |
643 | //dsputil_init(&vf->priv->dsp, vf->priv->avctx); | |
644 | ||
645 | vf->priv->log2_count= 4; | |
646 | vf->priv->bframes = 0; | |
647 | ||
648 | if (args) sscanf(args, "%d:%d:%d:%d", &log2c, &vf->priv->qp, &i, &vf->priv->bframes); | |
649 | ||
650 | if( log2c >=4 && log2c <=5 ) | |
651 | vf->priv->log2_count = log2c; | |
652 | else if( log2c >= 6 ) | |
653 | vf->priv->log2_count = 5; | |
654 | ||
655 | if(vf->priv->qp < 0) | |
656 | vf->priv->qp = 0; | |
657 | ||
658 | if (i < -15) i = -15; | |
659 | if (i > 32) i = 32; | |
660 | ||
661 | bias= (1<<4)+i; //regulable | |
662 | vf->priv->prev_q=0; | |
663 | // | |
664 | for(i=0;i<64;i++) //FIXME: tune custom_threshold[] and remove this ! | |
665 | custom_threshold_m[i]=(int)(custom_threshold[i]*(bias/71.)+ 0.5); | |
666 | for(i=0;i<8;i++){ | |
667 | vf->priv->threshold_mtx_noq[2*i]=(uint64_t)custom_threshold_m[i*8+2] | |
668 | |(((uint64_t)custom_threshold_m[i*8+6])<<16) | |
669 | |(((uint64_t)custom_threshold_m[i*8+0])<<32) | |
670 | |(((uint64_t)custom_threshold_m[i*8+4])<<48); | |
671 | vf->priv->threshold_mtx_noq[2*i+1]=(uint64_t)custom_threshold_m[i*8+5] | |
672 | |(((uint64_t)custom_threshold_m[i*8+3])<<16) | |
673 | |(((uint64_t)custom_threshold_m[i*8+1])<<32) | |
674 | |(((uint64_t)custom_threshold_m[i*8+7])<<48); | |
675 | } | |
676 | ||
677 | if (vf->priv->qp) vf->priv->prev_q=vf->priv->qp, mul_thrmat_s(vf->priv, vf->priv->qp); | |
678 | ||
679 | return 1; | |
680 | } | |
681 | ||
682 | const vf_info_t ff_vf_info_fspp = { | |
683 | "fast simple postprocess", | |
684 | "fspp", | |
685 | "Michael Niedermayer, Nikolaj Poroshin", | |
686 | "", | |
687 | vf_open, | |
688 | NULL | |
689 | }; | |
690 | ||
691 | //==================================================================== | |
692 | //Specific spp's dct, idct and threshold functions | |
693 | //I'd prefer to have them in the separate file. | |
694 | ||
695 | //#define MANGLE(a) #a | |
696 | ||
697 | //typedef int16_t int16_t; //! only int16_t | |
698 | ||
699 | #define DCTSIZE 8 | |
700 | #define DCTSIZE_S "8" | |
701 | ||
702 | #define FIX(x,s) ((int) ((x) * (1<<s) + 0.5)&0xffff) | |
703 | #define C64(x) ((uint64_t)((x)|(x)<<16))<<32 | (uint64_t)(x) | (uint64_t)(x)<<16 | |
704 | #define FIX64(x,s) C64(FIX(x,s)) | |
705 | ||
706 | #define MULTIPLY16H(x,k) (((x)*(k))>>16) | |
707 | #define THRESHOLD(r,x,t) if(((unsigned)((x)+t))>t*2) r=(x);else r=0; | |
708 | #define DESCALE(x,n) (((x) + (1 << ((n)-1))) >> n) | |
709 | ||
710 | #if HAVE_MMX | |
711 | ||
712 | DECLARE_ASM_CONST(8, uint64_t, MM_FIX_0_382683433)=FIX64(0.382683433, 14); | |
713 | DECLARE_ALIGNED(8, uint64_t, ff_MM_FIX_0_541196100)=FIX64(0.541196100, 14); | |
714 | DECLARE_ALIGNED(8, uint64_t, ff_MM_FIX_0_707106781)=FIX64(0.707106781, 14); | |
715 | DECLARE_ASM_CONST(8, uint64_t, MM_FIX_1_306562965)=FIX64(1.306562965, 14); | |
716 | ||
717 | DECLARE_ASM_CONST(8, uint64_t, MM_FIX_1_414213562_A)=FIX64(1.414213562, 14); | |
718 | ||
719 | DECLARE_ASM_CONST(8, uint64_t, MM_FIX_1_847759065)=FIX64(1.847759065, 13); | |
720 | DECLARE_ASM_CONST(8, uint64_t, MM_FIX_2_613125930)=FIX64(-2.613125930, 13); //- | |
721 | DECLARE_ASM_CONST(8, uint64_t, MM_FIX_1_414213562)=FIX64(1.414213562, 13); | |
722 | DECLARE_ASM_CONST(8, uint64_t, MM_FIX_1_082392200)=FIX64(1.082392200, 13); | |
723 | //for t3,t5,t7 == 0 shortcut | |
724 | DECLARE_ASM_CONST(8, uint64_t, MM_FIX_0_847759065)=FIX64(0.847759065, 14); | |
725 | DECLARE_ASM_CONST(8, uint64_t, MM_FIX_0_566454497)=FIX64(0.566454497, 14); | |
726 | DECLARE_ASM_CONST(8, uint64_t, MM_FIX_0_198912367)=FIX64(0.198912367, 14); | |
727 | ||
728 | DECLARE_ASM_CONST(8, uint64_t, MM_DESCALE_RND)=C64(4); | |
729 | DECLARE_ASM_CONST(8, uint64_t, MM_2)=C64(2); | |
730 | ||
731 | #else /* !HAVE_MMX */ | |
732 | ||
733 | typedef int32_t int_simd16_t; | |
734 | static const int16_t FIX_0_382683433=FIX(0.382683433, 14); | |
735 | static const int16_t FIX_0_541196100=FIX(0.541196100, 14); | |
736 | static const int16_t FIX_0_707106781=FIX(0.707106781, 14); | |
737 | static const int16_t FIX_1_306562965=FIX(1.306562965, 14); | |
738 | static const int16_t FIX_1_414213562_A=FIX(1.414213562, 14); | |
739 | static const int16_t FIX_1_847759065=FIX(1.847759065, 13); | |
740 | static const int16_t FIX_2_613125930=FIX(-2.613125930, 13); //- | |
741 | static const int16_t FIX_1_414213562=FIX(1.414213562, 13); | |
742 | static const int16_t FIX_1_082392200=FIX(1.082392200, 13); | |
743 | ||
744 | #endif | |
745 | ||
746 | #if !HAVE_MMX | |
747 | ||
748 | static void column_fidct_c(int16_t* thr_adr, int16_t *data, int16_t *output, int cnt) | |
749 | { | |
750 | int_simd16_t tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; | |
751 | int_simd16_t tmp10, tmp11, tmp12, tmp13; | |
752 | int_simd16_t z1,z2,z3,z4,z5, z10, z11, z12, z13; | |
753 | int_simd16_t d0, d1, d2, d3, d4, d5, d6, d7; | |
754 | ||
755 | int16_t* dataptr; | |
756 | int16_t* wsptr; | |
757 | int16_t *threshold; | |
758 | int ctr; | |
759 | ||
760 | dataptr = data; | |
761 | wsptr = output; | |
762 | ||
763 | for (; cnt > 0; cnt-=2) { //start positions | |
764 | threshold=(int16_t*)thr_adr;//threshold_mtx | |
765 | for (ctr = DCTSIZE; ctr > 0; ctr--) { | |
766 | // Process columns from input, add to output. | |
767 | tmp0 = dataptr[DCTSIZE*0] + dataptr[DCTSIZE*7]; | |
768 | tmp7 = dataptr[DCTSIZE*0] - dataptr[DCTSIZE*7]; | |
769 | ||
770 | tmp1 = dataptr[DCTSIZE*1] + dataptr[DCTSIZE*6]; | |
771 | tmp6 = dataptr[DCTSIZE*1] - dataptr[DCTSIZE*6]; | |
772 | ||
773 | tmp2 = dataptr[DCTSIZE*2] + dataptr[DCTSIZE*5]; | |
774 | tmp5 = dataptr[DCTSIZE*2] - dataptr[DCTSIZE*5]; | |
775 | ||
776 | tmp3 = dataptr[DCTSIZE*3] + dataptr[DCTSIZE*4]; | |
777 | tmp4 = dataptr[DCTSIZE*3] - dataptr[DCTSIZE*4]; | |
778 | ||
779 | // Even part of FDCT | |
780 | ||
781 | tmp10 = tmp0 + tmp3; | |
782 | tmp13 = tmp0 - tmp3; | |
783 | tmp11 = tmp1 + tmp2; | |
784 | tmp12 = tmp1 - tmp2; | |
785 | ||
786 | d0 = tmp10 + tmp11; | |
787 | d4 = tmp10 - tmp11; | |
788 | ||
789 | z1 = MULTIPLY16H((tmp12 + tmp13) <<2, FIX_0_707106781); | |
790 | d2 = tmp13 + z1; | |
791 | d6 = tmp13 - z1; | |
792 | ||
793 | // Even part of IDCT | |
794 | ||
795 | THRESHOLD(tmp0, d0, threshold[0*8]); | |
796 | THRESHOLD(tmp1, d2, threshold[2*8]); | |
797 | THRESHOLD(tmp2, d4, threshold[4*8]); | |
798 | THRESHOLD(tmp3, d6, threshold[6*8]); | |
799 | tmp0+=2; | |
800 | tmp10 = (tmp0 + tmp2)>>2; | |
801 | tmp11 = (tmp0 - tmp2)>>2; | |
802 | ||
803 | tmp13 = (tmp1 + tmp3)>>2; //+2 ! (psnr decides) | |
804 | tmp12 = MULTIPLY16H((tmp1 - tmp3), FIX_1_414213562_A) - tmp13; //<<2 | |
805 | ||
806 | tmp0 = tmp10 + tmp13; //->temps | |
807 | tmp3 = tmp10 - tmp13; //->temps | |
808 | tmp1 = tmp11 + tmp12; //->temps | |
809 | tmp2 = tmp11 - tmp12; //->temps | |
810 | ||
811 | // Odd part of FDCT | |
812 | ||
813 | tmp10 = tmp4 + tmp5; | |
814 | tmp11 = tmp5 + tmp6; | |
815 | tmp12 = tmp6 + tmp7; | |
816 | ||
817 | z5 = MULTIPLY16H((tmp10 - tmp12)<<2, FIX_0_382683433); | |
818 | z2 = MULTIPLY16H(tmp10 <<2, FIX_0_541196100) + z5; | |
819 | z4 = MULTIPLY16H(tmp12 <<2, FIX_1_306562965) + z5; | |
820 | z3 = MULTIPLY16H(tmp11 <<2, FIX_0_707106781); | |
821 | ||
822 | z11 = tmp7 + z3; | |
823 | z13 = tmp7 - z3; | |
824 | ||
825 | d5 = z13 + z2; | |
826 | d3 = z13 - z2; | |
827 | d1 = z11 + z4; | |
828 | d7 = z11 - z4; | |
829 | ||
830 | // Odd part of IDCT | |
831 | ||
832 | THRESHOLD(tmp4, d1, threshold[1*8]); | |
833 | THRESHOLD(tmp5, d3, threshold[3*8]); | |
834 | THRESHOLD(tmp6, d5, threshold[5*8]); | |
835 | THRESHOLD(tmp7, d7, threshold[7*8]); | |
836 | ||
837 | //Simd version uses here a shortcut for the tmp5,tmp6,tmp7 == 0 | |
838 | z13 = tmp6 + tmp5; | |
839 | z10 = (tmp6 - tmp5)<<1; | |
840 | z11 = tmp4 + tmp7; | |
841 | z12 = (tmp4 - tmp7)<<1; | |
842 | ||
843 | tmp7 = (z11 + z13)>>2; //+2 ! | |
844 | tmp11 = MULTIPLY16H((z11 - z13)<<1, FIX_1_414213562); | |
845 | z5 = MULTIPLY16H(z10 + z12, FIX_1_847759065); | |
846 | tmp10 = MULTIPLY16H(z12, FIX_1_082392200) - z5; | |
847 | tmp12 = MULTIPLY16H(z10, FIX_2_613125930) + z5; // - !! | |
848 | ||
849 | tmp6 = tmp12 - tmp7; | |
850 | tmp5 = tmp11 - tmp6; | |
851 | tmp4 = tmp10 + tmp5; | |
852 | ||
853 | wsptr[DCTSIZE*0]+= (tmp0 + tmp7); | |
854 | wsptr[DCTSIZE*1]+= (tmp1 + tmp6); | |
855 | wsptr[DCTSIZE*2]+= (tmp2 + tmp5); | |
856 | wsptr[DCTSIZE*3]+= (tmp3 - tmp4); | |
857 | wsptr[DCTSIZE*4]+= (tmp3 + tmp4); | |
858 | wsptr[DCTSIZE*5]+= (tmp2 - tmp5); | |
859 | wsptr[DCTSIZE*6]= (tmp1 - tmp6); | |
860 | wsptr[DCTSIZE*7]= (tmp0 - tmp7); | |
861 | // | |
862 | dataptr++; //next column | |
863 | wsptr++; | |
864 | threshold++; | |
865 | } | |
866 | dataptr+=8; //skip each second start pos | |
867 | wsptr +=8; | |
868 | } | |
869 | } | |
870 | ||
871 | #else /* HAVE_MMX */ | |
872 | ||
873 | static void column_fidct_mmx(int16_t* thr_adr, int16_t *data, int16_t *output, int cnt) | |
874 | { | |
875 | DECLARE_ALIGNED(8, uint64_t, temps)[4]; | |
876 | __asm__ volatile( | |
877 | ASMALIGN(4) | |
878 | "1: \n\t" | |
879 | "movq "DCTSIZE_S"*0*2(%%"REG_S"), %%mm1 \n\t" | |
880 | // | |
881 | "movq "DCTSIZE_S"*3*2(%%"REG_S"), %%mm7 \n\t" | |
882 | "movq %%mm1, %%mm0 \n\t" | |
883 | ||
884 | "paddw "DCTSIZE_S"*7*2(%%"REG_S"), %%mm1 \n\t" //t0 | |
885 | "movq %%mm7, %%mm3 \n\t" | |
886 | ||
887 | "paddw "DCTSIZE_S"*4*2(%%"REG_S"), %%mm7 \n\t" //t3 | |
888 | "movq %%mm1, %%mm5 \n\t" | |
889 | ||
890 | "movq "DCTSIZE_S"*1*2(%%"REG_S"), %%mm6 \n\t" | |
891 | "psubw %%mm7, %%mm1 \n\t" //t13 | |
892 | ||
893 | "movq "DCTSIZE_S"*2*2(%%"REG_S"), %%mm2 \n\t" | |
894 | "movq %%mm6, %%mm4 \n\t" | |
895 | ||
896 | "paddw "DCTSIZE_S"*6*2(%%"REG_S"), %%mm6 \n\t" //t1 | |
897 | "paddw %%mm7, %%mm5 \n\t" //t10 | |
898 | ||
899 | "paddw "DCTSIZE_S"*5*2(%%"REG_S"), %%mm2 \n\t" //t2 | |
900 | "movq %%mm6, %%mm7 \n\t" | |
901 | ||
902 | "paddw %%mm2, %%mm6 \n\t" //t11 | |
903 | "psubw %%mm2, %%mm7 \n\t" //t12 | |
904 | ||
905 | "movq %%mm5, %%mm2 \n\t" | |
906 | "paddw %%mm6, %%mm5 \n\t" //d0 | |
907 | // i0 t13 t12 i3 i1 d0 - d4 | |
908 | "psubw %%mm6, %%mm2 \n\t" //d4 | |
909 | "paddw %%mm1, %%mm7 \n\t" | |
910 | ||
911 | "movq 4*16(%%"REG_d"), %%mm6 \n\t" | |
912 | "psllw $2, %%mm7 \n\t" | |
913 | ||
914 | "psubw 0*16(%%"REG_d"), %%mm5 \n\t" | |
915 | "psubw %%mm6, %%mm2 \n\t" | |
916 | ||
917 | "paddusw 0*16(%%"REG_d"), %%mm5 \n\t" | |
918 | "paddusw %%mm6, %%mm2 \n\t" | |
919 | ||
920 | "pmulhw "MANGLE(ff_MM_FIX_0_707106781)", %%mm7 \n\t" | |
921 | // | |
922 | "paddw 0*16(%%"REG_d"), %%mm5 \n\t" | |
923 | "paddw %%mm6, %%mm2 \n\t" | |
924 | ||
925 | "psubusw 0*16(%%"REG_d"), %%mm5 \n\t" | |
926 | "psubusw %%mm6, %%mm2 \n\t" | |
927 | ||
928 | //This func is totally compute-bound, operates at huge speed. So, DC shortcut | |
929 | // at this place isn't worthwhile due to BTB miss penalty (checked on Pent. 3). | |
930 | //However, typical numbers: nondc - 29%%, dc - 46%%, zero - 25%%. All <> 0 case is very rare. | |
931 | "paddw "MANGLE(MM_2)", %%mm5 \n\t" | |
932 | "movq %%mm2, %%mm6 \n\t" | |
933 | ||
934 | "paddw %%mm5, %%mm2 \n\t" | |
935 | "psubw %%mm6, %%mm5 \n\t" | |
936 | ||
937 | "movq %%mm1, %%mm6 \n\t" | |
938 | "paddw %%mm7, %%mm1 \n\t" //d2 | |
939 | ||
940 | "psubw 2*16(%%"REG_d"), %%mm1 \n\t" | |
941 | "psubw %%mm7, %%mm6 \n\t" //d6 | |
942 | ||
943 | "movq 6*16(%%"REG_d"), %%mm7 \n\t" | |
944 | "psraw $2, %%mm5 \n\t" | |
945 | ||
946 | "paddusw 2*16(%%"REG_d"), %%mm1 \n\t" | |
947 | "psubw %%mm7, %%mm6 \n\t" | |
948 | // t7 d2 /t11 t4 t6 - d6 /t10 | |
949 | ||
950 | "paddw 2*16(%%"REG_d"), %%mm1 \n\t" | |
951 | "paddusw %%mm7, %%mm6 \n\t" | |
952 | ||
953 | "psubusw 2*16(%%"REG_d"), %%mm1 \n\t" | |
954 | "paddw %%mm7, %%mm6 \n\t" | |
955 | ||
956 | "psubw "DCTSIZE_S"*4*2(%%"REG_S"), %%mm3 \n\t" | |
957 | "psubusw %%mm7, %%mm6 \n\t" | |
958 | ||
959 | //movq [edi+"DCTSIZE_S"*2*2], mm1 | |
960 | //movq [edi+"DCTSIZE_S"*6*2], mm6 | |
961 | "movq %%mm1, %%mm7 \n\t" | |
962 | "psraw $2, %%mm2 \n\t" | |
963 | ||
964 | "psubw "DCTSIZE_S"*6*2(%%"REG_S"), %%mm4 \n\t" | |
965 | "psubw %%mm6, %%mm1 \n\t" | |
966 | ||
967 | "psubw "DCTSIZE_S"*7*2(%%"REG_S"), %%mm0 \n\t" | |
968 | "paddw %%mm7, %%mm6 \n\t" //'t13 | |
969 | ||
970 | "psraw $2, %%mm6 \n\t" //paddw mm6, MM_2 !! --- | |
971 | "movq %%mm2, %%mm7 \n\t" | |
972 | ||
973 | "pmulhw "MANGLE(MM_FIX_1_414213562_A)", %%mm1 \n\t" | |
974 | "paddw %%mm6, %%mm2 \n\t" //'t0 | |
975 | ||
976 | "movq %%mm2, 0*8+%3 \n\t" //! | |
977 | "psubw %%mm6, %%mm7 \n\t" //'t3 | |
978 | ||
979 | "movq "DCTSIZE_S"*2*2(%%"REG_S"), %%mm2 \n\t" | |
980 | "psubw %%mm6, %%mm1 \n\t" //'t12 | |
981 | ||
982 | "psubw "DCTSIZE_S"*5*2(%%"REG_S"), %%mm2 \n\t" //t5 | |
983 | "movq %%mm5, %%mm6 \n\t" | |
984 | ||
985 | "movq %%mm7, 3*8+%3 \n\t" | |
986 | "paddw %%mm2, %%mm3 \n\t" //t10 | |
987 | ||
988 | "paddw %%mm4, %%mm2 \n\t" //t11 | |
989 | "paddw %%mm0, %%mm4 \n\t" //t12 | |
990 | ||
991 | "movq %%mm3, %%mm7 \n\t" | |
992 | "psubw %%mm4, %%mm3 \n\t" | |
993 | ||
994 | "psllw $2, %%mm3 \n\t" | |
995 | "psllw $2, %%mm7 \n\t" //opt for P6 | |
996 | ||
997 | "pmulhw "MANGLE(MM_FIX_0_382683433)", %%mm3 \n\t" | |
998 | "psllw $2, %%mm4 \n\t" | |
999 | ||
1000 | "pmulhw "MANGLE(ff_MM_FIX_0_541196100)", %%mm7 \n\t" | |
1001 | "psllw $2, %%mm2 \n\t" | |
1002 | ||
1003 | "pmulhw "MANGLE(MM_FIX_1_306562965)", %%mm4 \n\t" | |
1004 | "paddw %%mm1, %%mm5 \n\t" //'t1 | |
1005 | ||
1006 | "pmulhw "MANGLE(ff_MM_FIX_0_707106781)", %%mm2 \n\t" | |
1007 | "psubw %%mm1, %%mm6 \n\t" //'t2 | |
1008 | // t7 't12 't11 t4 t6 - 't13 't10 --- | |
1009 | ||
1010 | "paddw %%mm3, %%mm7 \n\t" //z2 | |
1011 | ||
1012 | "movq %%mm5, 1*8+%3 \n\t" | |
1013 | "paddw %%mm3, %%mm4 \n\t" //z4 | |
1014 | ||
1015 | "movq 3*16(%%"REG_d"), %%mm3 \n\t" | |
1016 | "movq %%mm0, %%mm1 \n\t" | |
1017 | ||
1018 | "movq %%mm6, 2*8+%3 \n\t" | |
1019 | "psubw %%mm2, %%mm1 \n\t" //z13 | |
1020 | ||
1021 | //=== | |
1022 | "paddw %%mm2, %%mm0 \n\t" //z11 | |
1023 | "movq %%mm1, %%mm5 \n\t" | |
1024 | ||
1025 | "movq 5*16(%%"REG_d"), %%mm2 \n\t" | |
1026 | "psubw %%mm7, %%mm1 \n\t" //d3 | |
1027 | ||
1028 | "paddw %%mm7, %%mm5 \n\t" //d5 | |
1029 | "psubw %%mm3, %%mm1 \n\t" | |
1030 | ||
1031 | "movq 1*16(%%"REG_d"), %%mm7 \n\t" | |
1032 | "psubw %%mm2, %%mm5 \n\t" | |
1033 | ||
1034 | "movq %%mm0, %%mm6 \n\t" | |
1035 | "paddw %%mm4, %%mm0 \n\t" //d1 | |
1036 | ||
1037 | "paddusw %%mm3, %%mm1 \n\t" | |
1038 | "psubw %%mm4, %%mm6 \n\t" //d7 | |
1039 | ||
1040 | // d1 d3 - - - d5 d7 - | |
1041 | "movq 7*16(%%"REG_d"), %%mm4 \n\t" | |
1042 | "psubw %%mm7, %%mm0 \n\t" | |
1043 | ||
1044 | "psubw %%mm4, %%mm6 \n\t" | |
1045 | "paddusw %%mm2, %%mm5 \n\t" | |
1046 | ||
1047 | "paddusw %%mm4, %%mm6 \n\t" | |
1048 | "paddw %%mm3, %%mm1 \n\t" | |
1049 | ||
1050 | "paddw %%mm2, %%mm5 \n\t" | |
1051 | "paddw %%mm4, %%mm6 \n\t" | |
1052 | ||
1053 | "psubusw %%mm3, %%mm1 \n\t" | |
1054 | "psubusw %%mm2, %%mm5 \n\t" | |
1055 | ||
1056 | "psubusw %%mm4, %%mm6 \n\t" | |
1057 | "movq %%mm1, %%mm4 \n\t" | |
1058 | ||
1059 | "por %%mm5, %%mm4 \n\t" | |
1060 | "paddusw %%mm7, %%mm0 \n\t" | |
1061 | ||
1062 | "por %%mm6, %%mm4 \n\t" | |
1063 | "paddw %%mm7, %%mm0 \n\t" | |
1064 | ||
1065 | "packssdw %%mm4, %%mm4 \n\t" | |
1066 | "psubusw %%mm7, %%mm0 \n\t" | |
1067 | ||
1068 | "movd %%mm4, %%"REG_a" \n\t" | |
1069 | "or %%"REG_a", %%"REG_a" \n\t" | |
1070 | "jnz 2f \n\t" | |
1071 | //movq [edi+"DCTSIZE_S"*3*2], mm1 | |
1072 | //movq [edi+"DCTSIZE_S"*5*2], mm5 | |
1073 | //movq [edi+"DCTSIZE_S"*1*2], mm0 | |
1074 | //movq [edi+"DCTSIZE_S"*7*2], mm6 | |
1075 | // t4 t5 - - - t6 t7 - | |
1076 | //--- t4 (mm0) may be <>0; mm1, mm5, mm6 == 0 | |
1077 | //Typical numbers: nondc - 19%%, dc - 26%%, zero - 55%%. zero case alone isn't worthwhile | |
1078 | "movq 0*8+%3, %%mm4 \n\t" | |
1079 | "movq %%mm0, %%mm1 \n\t" | |
1080 | ||
1081 | "pmulhw "MANGLE(MM_FIX_0_847759065)", %%mm0 \n\t" //tmp6 | |
1082 | "movq %%mm1, %%mm2 \n\t" | |
1083 | ||
1084 | "movq "DCTSIZE_S"*0*2(%%"REG_D"), %%mm5 \n\t" | |
1085 | "movq %%mm2, %%mm3 \n\t" | |
1086 | ||
1087 | "pmulhw "MANGLE(MM_FIX_0_566454497)", %%mm1 \n\t" //tmp5 | |
1088 | "paddw %%mm4, %%mm5 \n\t" | |
1089 | ||
1090 | "movq 1*8+%3, %%mm6 \n\t" | |
1091 | //paddw mm3, MM_2 | |
1092 | "psraw $2, %%mm3 \n\t" //tmp7 | |
1093 | ||
1094 | "pmulhw "MANGLE(MM_FIX_0_198912367)", %%mm2 \n\t" //-tmp4 | |
1095 | "psubw %%mm3, %%mm4 \n\t" | |
1096 | ||
1097 | "movq "DCTSIZE_S"*1*2(%%"REG_D"), %%mm7 \n\t" | |
1098 | "paddw %%mm3, %%mm5 \n\t" | |
1099 | ||
1100 | "movq %%mm4, "DCTSIZE_S"*7*2(%%"REG_D") \n\t" | |
1101 | "paddw %%mm6, %%mm7 \n\t" | |
1102 | ||
1103 | "movq 2*8+%3, %%mm3 \n\t" | |
1104 | "psubw %%mm0, %%mm6 \n\t" | |
1105 | ||
1106 | "movq "DCTSIZE_S"*2*2(%%"REG_D"), %%mm4 \n\t" | |
1107 | "paddw %%mm0, %%mm7 \n\t" | |
1108 | ||
1109 | "movq %%mm5, "DCTSIZE_S"*0*2(%%"REG_D") \n\t" | |
1110 | "paddw %%mm3, %%mm4 \n\t" | |
1111 | ||
1112 | "movq %%mm6, "DCTSIZE_S"*6*2(%%"REG_D") \n\t" | |
1113 | "psubw %%mm1, %%mm3 \n\t" | |
1114 | ||
1115 | "movq "DCTSIZE_S"*5*2(%%"REG_D"), %%mm5 \n\t" | |
1116 | "paddw %%mm1, %%mm4 \n\t" | |
1117 | ||
1118 | "movq "DCTSIZE_S"*3*2(%%"REG_D"), %%mm6 \n\t" | |
1119 | "paddw %%mm3, %%mm5 \n\t" | |
1120 | ||
1121 | "movq 3*8+%3, %%mm0 \n\t" | |
1122 | "add $8, %%"REG_S" \n\t" | |
1123 | ||
1124 | "movq %%mm7, "DCTSIZE_S"*1*2(%%"REG_D") \n\t" | |
1125 | "paddw %%mm0, %%mm6 \n\t" | |
1126 | ||
1127 | "movq %%mm4, "DCTSIZE_S"*2*2(%%"REG_D") \n\t" | |
1128 | "psubw %%mm2, %%mm0 \n\t" | |
1129 | ||
1130 | "movq "DCTSIZE_S"*4*2(%%"REG_D"), %%mm7 \n\t" | |
1131 | "paddw %%mm2, %%mm6 \n\t" | |
1132 | ||
1133 | "movq %%mm5, "DCTSIZE_S"*5*2(%%"REG_D") \n\t" | |
1134 | "paddw %%mm0, %%mm7 \n\t" | |
1135 | ||
1136 | "movq %%mm6, "DCTSIZE_S"*3*2(%%"REG_D") \n\t" | |
1137 | ||
1138 | "movq %%mm7, "DCTSIZE_S"*4*2(%%"REG_D") \n\t" | |
1139 | "add $8, %%"REG_D" \n\t" | |
1140 | "jmp 4f \n\t" | |
1141 | ||
1142 | "2: \n\t" | |
1143 | //--- non DC2 | |
1144 | //psraw mm1, 2 w/o it -> offset. thr1, thr1, thr1 (actually thr1, thr1, thr1-1) | |
1145 | //psraw mm5, 2 | |
1146 | //psraw mm0, 2 | |
1147 | //psraw mm6, 2 | |
1148 | "movq %%mm5, %%mm3 \n\t" | |
1149 | "psubw %%mm1, %%mm5 \n\t" | |
1150 | ||
1151 | "psllw $1, %%mm5 \n\t" //'z10 | |
1152 | "paddw %%mm1, %%mm3 \n\t" //'z13 | |
1153 | ||
1154 | "movq %%mm0, %%mm2 \n\t" | |
1155 | "psubw %%mm6, %%mm0 \n\t" | |
1156 | ||
1157 | "movq %%mm5, %%mm1 \n\t" | |
1158 | "psllw $1, %%mm0 \n\t" //'z12 | |
1159 | ||
1160 | "pmulhw "MANGLE(MM_FIX_2_613125930)", %%mm1 \n\t" //- | |
1161 | "paddw %%mm0, %%mm5 \n\t" | |
1162 | ||
1163 | "pmulhw "MANGLE(MM_FIX_1_847759065)", %%mm5 \n\t" //'z5 | |
1164 | "paddw %%mm6, %%mm2 \n\t" //'z11 | |
1165 | ||
1166 | "pmulhw "MANGLE(MM_FIX_1_082392200)", %%mm0 \n\t" | |
1167 | "movq %%mm2, %%mm7 \n\t" | |
1168 | ||
1169 | //--- | |
1170 | "movq 0*8+%3, %%mm4 \n\t" | |
1171 | "psubw %%mm3, %%mm2 \n\t" | |
1172 | ||
1173 | "psllw $1, %%mm2 \n\t" | |
1174 | "paddw %%mm3, %%mm7 \n\t" //'t7 | |
1175 | ||
1176 | "pmulhw "MANGLE(MM_FIX_1_414213562)", %%mm2 \n\t" //'t11 | |
1177 | "movq %%mm4, %%mm6 \n\t" | |
1178 | //paddw mm7, MM_2 | |
1179 | "psraw $2, %%mm7 \n\t" | |
1180 | ||
1181 | "paddw "DCTSIZE_S"*0*2(%%"REG_D"), %%mm4 \n\t" | |
1182 | "psubw %%mm7, %%mm6 \n\t" | |
1183 | ||
1184 | "movq 1*8+%3, %%mm3 \n\t" | |
1185 | "paddw %%mm7, %%mm4 \n\t" | |
1186 | ||
1187 | "movq %%mm6, "DCTSIZE_S"*7*2(%%"REG_D") \n\t" | |
1188 | "paddw %%mm5, %%mm1 \n\t" //'t12 | |
1189 | ||
1190 | "movq %%mm4, "DCTSIZE_S"*0*2(%%"REG_D") \n\t" | |
1191 | "psubw %%mm7, %%mm1 \n\t" //'t6 | |
1192 | ||
1193 | "movq 2*8+%3, %%mm7 \n\t" | |
1194 | "psubw %%mm5, %%mm0 \n\t" //'t10 | |
1195 | ||
1196 | "movq 3*8+%3, %%mm6 \n\t" | |
1197 | "movq %%mm3, %%mm5 \n\t" | |
1198 | ||
1199 | "paddw "DCTSIZE_S"*1*2(%%"REG_D"), %%mm3 \n\t" | |
1200 | "psubw %%mm1, %%mm5 \n\t" | |
1201 | ||
1202 | "psubw %%mm1, %%mm2 \n\t" //'t5 | |
1203 | "paddw %%mm1, %%mm3 \n\t" | |
1204 | ||
1205 | "movq %%mm5, "DCTSIZE_S"*6*2(%%"REG_D") \n\t" | |
1206 | "movq %%mm7, %%mm4 \n\t" | |
1207 | ||
1208 | "paddw "DCTSIZE_S"*2*2(%%"REG_D"), %%mm7 \n\t" | |
1209 | "psubw %%mm2, %%mm4 \n\t" | |
1210 | ||
1211 | "paddw "DCTSIZE_S"*5*2(%%"REG_D"), %%mm4 \n\t" | |
1212 | "paddw %%mm2, %%mm7 \n\t" | |
1213 | ||
1214 | "movq %%mm3, "DCTSIZE_S"*1*2(%%"REG_D") \n\t" | |
1215 | "paddw %%mm2, %%mm0 \n\t" //'t4 | |
1216 | ||
1217 | // 't4 't6 't5 - - - - 't7 | |
1218 | "movq %%mm7, "DCTSIZE_S"*2*2(%%"REG_D") \n\t" | |
1219 | "movq %%mm6, %%mm1 \n\t" | |
1220 | ||
1221 | "paddw "DCTSIZE_S"*4*2(%%"REG_D"), %%mm6 \n\t" | |
1222 | "psubw %%mm0, %%mm1 \n\t" | |
1223 | ||
1224 | "paddw "DCTSIZE_S"*3*2(%%"REG_D"), %%mm1 \n\t" | |
1225 | "paddw %%mm0, %%mm6 \n\t" | |
1226 | ||
1227 | "movq %%mm4, "DCTSIZE_S"*5*2(%%"REG_D") \n\t" | |
1228 | "add $8, %%"REG_S" \n\t" | |
1229 | ||
1230 | "movq %%mm6, "DCTSIZE_S"*4*2(%%"REG_D") \n\t" | |
1231 | ||
1232 | "movq %%mm1, "DCTSIZE_S"*3*2(%%"REG_D") \n\t" | |
1233 | "add $8, %%"REG_D" \n\t" | |
1234 | ||
1235 | "4: \n\t" | |
1236 | //=part 2 (the same)=========================================================== | |
1237 | "movq "DCTSIZE_S"*0*2(%%"REG_S"), %%mm1 \n\t" | |
1238 | // | |
1239 | "movq "DCTSIZE_S"*3*2(%%"REG_S"), %%mm7 \n\t" | |
1240 | "movq %%mm1, %%mm0 \n\t" | |
1241 | ||
1242 | "paddw "DCTSIZE_S"*7*2(%%"REG_S"), %%mm1 \n\t" //t0 | |
1243 | "movq %%mm7, %%mm3 \n\t" | |
1244 | ||
1245 | "paddw "DCTSIZE_S"*4*2(%%"REG_S"), %%mm7 \n\t" //t3 | |
1246 | "movq %%mm1, %%mm5 \n\t" | |
1247 | ||
1248 | "movq "DCTSIZE_S"*1*2(%%"REG_S"), %%mm6 \n\t" | |
1249 | "psubw %%mm7, %%mm1 \n\t" //t13 | |
1250 | ||
1251 | "movq "DCTSIZE_S"*2*2(%%"REG_S"), %%mm2 \n\t" | |
1252 | "movq %%mm6, %%mm4 \n\t" | |
1253 | ||
1254 | "paddw "DCTSIZE_S"*6*2(%%"REG_S"), %%mm6 \n\t" //t1 | |
1255 | "paddw %%mm7, %%mm5 \n\t" //t10 | |
1256 | ||
1257 | "paddw "DCTSIZE_S"*5*2(%%"REG_S"), %%mm2 \n\t" //t2 | |
1258 | "movq %%mm6, %%mm7 \n\t" | |
1259 | ||
1260 | "paddw %%mm2, %%mm6 \n\t" //t11 | |
1261 | "psubw %%mm2, %%mm7 \n\t" //t12 | |
1262 | ||
1263 | "movq %%mm5, %%mm2 \n\t" | |
1264 | "paddw %%mm6, %%mm5 \n\t" //d0 | |
1265 | // i0 t13 t12 i3 i1 d0 - d4 | |
1266 | "psubw %%mm6, %%mm2 \n\t" //d4 | |
1267 | "paddw %%mm1, %%mm7 \n\t" | |
1268 | ||
1269 | "movq 1*8+4*16(%%"REG_d"), %%mm6 \n\t" | |
1270 | "psllw $2, %%mm7 \n\t" | |
1271 | ||
1272 | "psubw 1*8+0*16(%%"REG_d"), %%mm5 \n\t" | |
1273 | "psubw %%mm6, %%mm2 \n\t" | |
1274 | ||
1275 | "paddusw 1*8+0*16(%%"REG_d"), %%mm5 \n\t" | |
1276 | "paddusw %%mm6, %%mm2 \n\t" | |
1277 | ||
1278 | "pmulhw "MANGLE(ff_MM_FIX_0_707106781)", %%mm7 \n\t" | |
1279 | // | |
1280 | "paddw 1*8+0*16(%%"REG_d"), %%mm5 \n\t" | |
1281 | "paddw %%mm6, %%mm2 \n\t" | |
1282 | ||
1283 | "psubusw 1*8+0*16(%%"REG_d"), %%mm5 \n\t" | |
1284 | "psubusw %%mm6, %%mm2 \n\t" | |
1285 | ||
1286 | //This func is totally compute-bound, operates at huge speed. So, DC shortcut | |
1287 | // at this place isn't worthwhile due to BTB miss penalty (checked on Pent. 3). | |
1288 | //However, typical numbers: nondc - 29%%, dc - 46%%, zero - 25%%. All <> 0 case is very rare. | |
1289 | "paddw "MANGLE(MM_2)", %%mm5 \n\t" | |
1290 | "movq %%mm2, %%mm6 \n\t" | |
1291 | ||
1292 | "paddw %%mm5, %%mm2 \n\t" | |
1293 | "psubw %%mm6, %%mm5 \n\t" | |
1294 | ||
1295 | "movq %%mm1, %%mm6 \n\t" | |
1296 | "paddw %%mm7, %%mm1 \n\t" //d2 | |
1297 | ||
1298 | "psubw 1*8+2*16(%%"REG_d"), %%mm1 \n\t" | |
1299 | "psubw %%mm7, %%mm6 \n\t" //d6 | |
1300 | ||
1301 | "movq 1*8+6*16(%%"REG_d"), %%mm7 \n\t" | |
1302 | "psraw $2, %%mm5 \n\t" | |
1303 | ||
1304 | "paddusw 1*8+2*16(%%"REG_d"), %%mm1 \n\t" | |
1305 | "psubw %%mm7, %%mm6 \n\t" | |
1306 | // t7 d2 /t11 t4 t6 - d6 /t10 | |
1307 | ||
1308 | "paddw 1*8+2*16(%%"REG_d"), %%mm1 \n\t" | |
1309 | "paddusw %%mm7, %%mm6 \n\t" | |
1310 | ||
1311 | "psubusw 1*8+2*16(%%"REG_d"), %%mm1 \n\t" | |
1312 | "paddw %%mm7, %%mm6 \n\t" | |
1313 | ||
1314 | "psubw "DCTSIZE_S"*4*2(%%"REG_S"), %%mm3 \n\t" | |
1315 | "psubusw %%mm7, %%mm6 \n\t" | |
1316 | ||
1317 | //movq [edi+"DCTSIZE_S"*2*2], mm1 | |
1318 | //movq [edi+"DCTSIZE_S"*6*2], mm6 | |
1319 | "movq %%mm1, %%mm7 \n\t" | |
1320 | "psraw $2, %%mm2 \n\t" | |
1321 | ||
1322 | "psubw "DCTSIZE_S"*6*2(%%"REG_S"), %%mm4 \n\t" | |
1323 | "psubw %%mm6, %%mm1 \n\t" | |
1324 | ||
1325 | "psubw "DCTSIZE_S"*7*2(%%"REG_S"), %%mm0 \n\t" | |
1326 | "paddw %%mm7, %%mm6 \n\t" //'t13 | |
1327 | ||
1328 | "psraw $2, %%mm6 \n\t" //paddw mm6, MM_2 !! --- | |
1329 | "movq %%mm2, %%mm7 \n\t" | |
1330 | ||
1331 | "pmulhw "MANGLE(MM_FIX_1_414213562_A)", %%mm1 \n\t" | |
1332 | "paddw %%mm6, %%mm2 \n\t" //'t0 | |
1333 | ||
1334 | "movq %%mm2, 0*8+%3 \n\t" //! | |
1335 | "psubw %%mm6, %%mm7 \n\t" //'t3 | |
1336 | ||
1337 | "movq "DCTSIZE_S"*2*2(%%"REG_S"), %%mm2 \n\t" | |
1338 | "psubw %%mm6, %%mm1 \n\t" //'t12 | |
1339 | ||
1340 | "psubw "DCTSIZE_S"*5*2(%%"REG_S"), %%mm2 \n\t" //t5 | |
1341 | "movq %%mm5, %%mm6 \n\t" | |
1342 | ||
1343 | "movq %%mm7, 3*8+%3 \n\t" | |
1344 | "paddw %%mm2, %%mm3 \n\t" //t10 | |
1345 | ||
1346 | "paddw %%mm4, %%mm2 \n\t" //t11 | |
1347 | "paddw %%mm0, %%mm4 \n\t" //t12 | |
1348 | ||
1349 | "movq %%mm3, %%mm7 \n\t" | |
1350 | "psubw %%mm4, %%mm3 \n\t" | |
1351 | ||
1352 | "psllw $2, %%mm3 \n\t" | |
1353 | "psllw $2, %%mm7 \n\t" //opt for P6 | |
1354 | ||
1355 | "pmulhw "MANGLE(MM_FIX_0_382683433)", %%mm3 \n\t" | |
1356 | "psllw $2, %%mm4 \n\t" | |
1357 | ||
1358 | "pmulhw "MANGLE(ff_MM_FIX_0_541196100)", %%mm7 \n\t" | |
1359 | "psllw $2, %%mm2 \n\t" | |
1360 | ||
1361 | "pmulhw "MANGLE(MM_FIX_1_306562965)", %%mm4 \n\t" | |
1362 | "paddw %%mm1, %%mm5 \n\t" //'t1 | |
1363 | ||
1364 | "pmulhw "MANGLE(ff_MM_FIX_0_707106781)", %%mm2 \n\t" | |
1365 | "psubw %%mm1, %%mm6 \n\t" //'t2 | |
1366 | // t7 't12 't11 t4 t6 - 't13 't10 --- | |
1367 | ||
1368 | "paddw %%mm3, %%mm7 \n\t" //z2 | |
1369 | ||
1370 | "movq %%mm5, 1*8+%3 \n\t" | |
1371 | "paddw %%mm3, %%mm4 \n\t" //z4 | |
1372 | ||
1373 | "movq 1*8+3*16(%%"REG_d"), %%mm3 \n\t" | |
1374 | "movq %%mm0, %%mm1 \n\t" | |
1375 | ||
1376 | "movq %%mm6, 2*8+%3 \n\t" | |
1377 | "psubw %%mm2, %%mm1 \n\t" //z13 | |
1378 | ||
1379 | //=== | |
1380 | "paddw %%mm2, %%mm0 \n\t" //z11 | |
1381 | "movq %%mm1, %%mm5 \n\t" | |
1382 | ||
1383 | "movq 1*8+5*16(%%"REG_d"), %%mm2 \n\t" | |
1384 | "psubw %%mm7, %%mm1 \n\t" //d3 | |
1385 | ||
1386 | "paddw %%mm7, %%mm5 \n\t" //d5 | |
1387 | "psubw %%mm3, %%mm1 \n\t" | |
1388 | ||
1389 | "movq 1*8+1*16(%%"REG_d"), %%mm7 \n\t" | |
1390 | "psubw %%mm2, %%mm5 \n\t" | |
1391 | ||
1392 | "movq %%mm0, %%mm6 \n\t" | |
1393 | "paddw %%mm4, %%mm0 \n\t" //d1 | |
1394 | ||
1395 | "paddusw %%mm3, %%mm1 \n\t" | |
1396 | "psubw %%mm4, %%mm6 \n\t" //d7 | |
1397 | ||
1398 | // d1 d3 - - - d5 d7 - | |
1399 | "movq 1*8+7*16(%%"REG_d"), %%mm4 \n\t" | |
1400 | "psubw %%mm7, %%mm0 \n\t" | |
1401 | ||
1402 | "psubw %%mm4, %%mm6 \n\t" | |
1403 | "paddusw %%mm2, %%mm5 \n\t" | |
1404 | ||
1405 | "paddusw %%mm4, %%mm6 \n\t" | |
1406 | "paddw %%mm3, %%mm1 \n\t" | |
1407 | ||
1408 | "paddw %%mm2, %%mm5 \n\t" | |
1409 | "paddw %%mm4, %%mm6 \n\t" | |
1410 | ||
1411 | "psubusw %%mm3, %%mm1 \n\t" | |
1412 | "psubusw %%mm2, %%mm5 \n\t" | |
1413 | ||
1414 | "psubusw %%mm4, %%mm6 \n\t" | |
1415 | "movq %%mm1, %%mm4 \n\t" | |
1416 | ||
1417 | "por %%mm5, %%mm4 \n\t" | |
1418 | "paddusw %%mm7, %%mm0 \n\t" | |
1419 | ||
1420 | "por %%mm6, %%mm4 \n\t" | |
1421 | "paddw %%mm7, %%mm0 \n\t" | |
1422 | ||
1423 | "packssdw %%mm4, %%mm4 \n\t" | |
1424 | "psubusw %%mm7, %%mm0 \n\t" | |
1425 | ||
1426 | "movd %%mm4, %%"REG_a" \n\t" | |
1427 | "or %%"REG_a", %%"REG_a" \n\t" | |
1428 | "jnz 3f \n\t" | |
1429 | //movq [edi+"DCTSIZE_S"*3*2], mm1 | |
1430 | //movq [edi+"DCTSIZE_S"*5*2], mm5 | |
1431 | //movq [edi+"DCTSIZE_S"*1*2], mm0 | |
1432 | //movq [edi+"DCTSIZE_S"*7*2], mm6 | |
1433 | // t4 t5 - - - t6 t7 - | |
1434 | //--- t4 (mm0) may be <>0; mm1, mm5, mm6 == 0 | |
1435 | //Typical numbers: nondc - 19%%, dc - 26%%, zero - 55%%. zero case alone isn't worthwhile | |
1436 | "movq 0*8+%3, %%mm4 \n\t" | |
1437 | "movq %%mm0, %%mm1 \n\t" | |
1438 | ||
1439 | "pmulhw "MANGLE(MM_FIX_0_847759065)", %%mm0 \n\t" //tmp6 | |
1440 | "movq %%mm1, %%mm2 \n\t" | |
1441 | ||
1442 | "movq "DCTSIZE_S"*0*2(%%"REG_D"), %%mm5 \n\t" | |
1443 | "movq %%mm2, %%mm3 \n\t" | |
1444 | ||
1445 | "pmulhw "MANGLE(MM_FIX_0_566454497)", %%mm1 \n\t" //tmp5 | |
1446 | "paddw %%mm4, %%mm5 \n\t" | |
1447 | ||
1448 | "movq 1*8+%3, %%mm6 \n\t" | |
1449 | //paddw mm3, MM_2 | |
1450 | "psraw $2, %%mm3 \n\t" //tmp7 | |
1451 | ||
1452 | "pmulhw "MANGLE(MM_FIX_0_198912367)", %%mm2 \n\t" //-tmp4 | |
1453 | "psubw %%mm3, %%mm4 \n\t" | |
1454 | ||
1455 | "movq "DCTSIZE_S"*1*2(%%"REG_D"), %%mm7 \n\t" | |
1456 | "paddw %%mm3, %%mm5 \n\t" | |
1457 | ||
1458 | "movq %%mm4, "DCTSIZE_S"*7*2(%%"REG_D") \n\t" | |
1459 | "paddw %%mm6, %%mm7 \n\t" | |
1460 | ||
1461 | "movq 2*8+%3, %%mm3 \n\t" | |
1462 | "psubw %%mm0, %%mm6 \n\t" | |
1463 | ||
1464 | "movq "DCTSIZE_S"*2*2(%%"REG_D"), %%mm4 \n\t" | |
1465 | "paddw %%mm0, %%mm7 \n\t" | |
1466 | ||
1467 | "movq %%mm5, "DCTSIZE_S"*0*2(%%"REG_D") \n\t" | |
1468 | "paddw %%mm3, %%mm4 \n\t" | |
1469 | ||
1470 | "movq %%mm6, "DCTSIZE_S"*6*2(%%"REG_D") \n\t" | |
1471 | "psubw %%mm1, %%mm3 \n\t" | |
1472 | ||
1473 | "movq "DCTSIZE_S"*5*2(%%"REG_D"), %%mm5 \n\t" | |
1474 | "paddw %%mm1, %%mm4 \n\t" | |
1475 | ||
1476 | "movq "DCTSIZE_S"*3*2(%%"REG_D"), %%mm6 \n\t" | |
1477 | "paddw %%mm3, %%mm5 \n\t" | |
1478 | ||
1479 | "movq 3*8+%3, %%mm0 \n\t" | |
1480 | "add $24, %%"REG_S" \n\t" | |
1481 | ||
1482 | "movq %%mm7, "DCTSIZE_S"*1*2(%%"REG_D") \n\t" | |
1483 | "paddw %%mm0, %%mm6 \n\t" | |
1484 | ||
1485 | "movq %%mm4, "DCTSIZE_S"*2*2(%%"REG_D") \n\t" | |
1486 | "psubw %%mm2, %%mm0 \n\t" | |
1487 | ||
1488 | "movq "DCTSIZE_S"*4*2(%%"REG_D"), %%mm7 \n\t" | |
1489 | "paddw %%mm2, %%mm6 \n\t" | |
1490 | ||
1491 | "movq %%mm5, "DCTSIZE_S"*5*2(%%"REG_D") \n\t" | |
1492 | "paddw %%mm0, %%mm7 \n\t" | |
1493 | ||
1494 | "movq %%mm6, "DCTSIZE_S"*3*2(%%"REG_D") \n\t" | |
1495 | ||
1496 | "movq %%mm7, "DCTSIZE_S"*4*2(%%"REG_D") \n\t" | |
1497 | "add $24, %%"REG_D" \n\t" | |
1498 | "sub $2, %%"REG_c" \n\t" | |
1499 | "jnz 1b \n\t" | |
1500 | "jmp 5f \n\t" | |
1501 | ||
1502 | "3: \n\t" | |
1503 | //--- non DC2 | |
1504 | //psraw mm1, 2 w/o it -> offset. thr1, thr1, thr1 (actually thr1, thr1, thr1-1) | |
1505 | //psraw mm5, 2 | |
1506 | //psraw mm0, 2 | |
1507 | //psraw mm6, 2 | |
1508 | "movq %%mm5, %%mm3 \n\t" | |
1509 | "psubw %%mm1, %%mm5 \n\t" | |
1510 | ||
1511 | "psllw $1, %%mm5 \n\t" //'z10 | |
1512 | "paddw %%mm1, %%mm3 \n\t" //'z13 | |
1513 | ||
1514 | "movq %%mm0, %%mm2 \n\t" | |
1515 | "psubw %%mm6, %%mm0 \n\t" | |
1516 | ||
1517 | "movq %%mm5, %%mm1 \n\t" | |
1518 | "psllw $1, %%mm0 \n\t" //'z12 | |
1519 | ||
1520 | "pmulhw "MANGLE(MM_FIX_2_613125930)", %%mm1 \n\t" //- | |
1521 | "paddw %%mm0, %%mm5 \n\t" | |
1522 | ||
1523 | "pmulhw "MANGLE(MM_FIX_1_847759065)", %%mm5 \n\t" //'z5 | |
1524 | "paddw %%mm6, %%mm2 \n\t" //'z11 | |
1525 | ||
1526 | "pmulhw "MANGLE(MM_FIX_1_082392200)", %%mm0 \n\t" | |
1527 | "movq %%mm2, %%mm7 \n\t" | |
1528 | ||
1529 | //--- | |
1530 | "movq 0*8+%3, %%mm4 \n\t" | |
1531 | "psubw %%mm3, %%mm2 \n\t" | |
1532 | ||
1533 | "psllw $1, %%mm2 \n\t" | |
1534 | "paddw %%mm3, %%mm7 \n\t" //'t7 | |
1535 | ||
1536 | "pmulhw "MANGLE(MM_FIX_1_414213562)", %%mm2 \n\t" //'t11 | |
1537 | "movq %%mm4, %%mm6 \n\t" | |
1538 | //paddw mm7, MM_2 | |
1539 | "psraw $2, %%mm7 \n\t" | |
1540 | ||
1541 | "paddw "DCTSIZE_S"*0*2(%%"REG_D"), %%mm4 \n\t" | |
1542 | "psubw %%mm7, %%mm6 \n\t" | |
1543 | ||
1544 | "movq 1*8+%3, %%mm3 \n\t" | |
1545 | "paddw %%mm7, %%mm4 \n\t" | |
1546 | ||
1547 | "movq %%mm6, "DCTSIZE_S"*7*2(%%"REG_D") \n\t" | |
1548 | "paddw %%mm5, %%mm1 \n\t" //'t12 | |
1549 | ||
1550 | "movq %%mm4, "DCTSIZE_S"*0*2(%%"REG_D") \n\t" | |
1551 | "psubw %%mm7, %%mm1 \n\t" //'t6 | |
1552 | ||
1553 | "movq 2*8+%3, %%mm7 \n\t" | |
1554 | "psubw %%mm5, %%mm0 \n\t" //'t10 | |
1555 | ||
1556 | "movq 3*8+%3, %%mm6 \n\t" | |
1557 | "movq %%mm3, %%mm5 \n\t" | |
1558 | ||
1559 | "paddw "DCTSIZE_S"*1*2(%%"REG_D"), %%mm3 \n\t" | |
1560 | "psubw %%mm1, %%mm5 \n\t" | |
1561 | ||
1562 | "psubw %%mm1, %%mm2 \n\t" //'t5 | |
1563 | "paddw %%mm1, %%mm3 \n\t" | |
1564 | ||
1565 | "movq %%mm5, "DCTSIZE_S"*6*2(%%"REG_D") \n\t" | |
1566 | "movq %%mm7, %%mm4 \n\t" | |
1567 | ||
1568 | "paddw "DCTSIZE_S"*2*2(%%"REG_D"), %%mm7 \n\t" | |
1569 | "psubw %%mm2, %%mm4 \n\t" | |
1570 | ||
1571 | "paddw "DCTSIZE_S"*5*2(%%"REG_D"), %%mm4 \n\t" | |
1572 | "paddw %%mm2, %%mm7 \n\t" | |
1573 | ||
1574 | "movq %%mm3, "DCTSIZE_S"*1*2(%%"REG_D") \n\t" | |
1575 | "paddw %%mm2, %%mm0 \n\t" //'t4 | |
1576 | ||
1577 | // 't4 't6 't5 - - - - 't7 | |
1578 | "movq %%mm7, "DCTSIZE_S"*2*2(%%"REG_D") \n\t" | |
1579 | "movq %%mm6, %%mm1 \n\t" | |
1580 | ||
1581 | "paddw "DCTSIZE_S"*4*2(%%"REG_D"), %%mm6 \n\t" | |
1582 | "psubw %%mm0, %%mm1 \n\t" | |
1583 | ||
1584 | "paddw "DCTSIZE_S"*3*2(%%"REG_D"), %%mm1 \n\t" | |
1585 | "paddw %%mm0, %%mm6 \n\t" | |
1586 | ||
1587 | "movq %%mm4, "DCTSIZE_S"*5*2(%%"REG_D") \n\t" | |
1588 | "add $24, %%"REG_S" \n\t" | |
1589 | ||
1590 | "movq %%mm6, "DCTSIZE_S"*4*2(%%"REG_D") \n\t" | |
1591 | ||
1592 | "movq %%mm1, "DCTSIZE_S"*3*2(%%"REG_D") \n\t" | |
1593 | "add $24, %%"REG_D" \n\t" | |
1594 | "sub $2, %%"REG_c" \n\t" | |
1595 | "jnz 1b \n\t" | |
1596 | "5: \n\t" | |
1597 | ||
1598 | : "+S"(data), "+D"(output), "+c"(cnt), "=o"(temps) | |
1599 | : "d"(thr_adr) | |
1600 | NAMED_CONSTRAINTS_ADD(ff_MM_FIX_0_707106781,MM_2,MM_FIX_1_414213562_A,MM_FIX_1_414213562,MM_FIX_0_382683433, | |
1601 | ff_MM_FIX_0_541196100,MM_FIX_1_306562965,MM_FIX_0_847759065) | |
1602 | NAMED_CONSTRAINTS_ADD(MM_FIX_0_566454497,MM_FIX_0_198912367,MM_FIX_2_613125930,MM_FIX_1_847759065, | |
1603 | MM_FIX_1_082392200) | |
1604 | : "%"REG_a | |
1605 | ); | |
1606 | } | |
1607 | ||
1608 | #endif // HAVE_MMX | |
1609 | ||
1610 | #if !HAVE_MMX | |
1611 | ||
1612 | static void row_idct_c(int16_t* workspace, | |
1613 | int16_t* output_adr, int output_stride, int cnt) | |
1614 | { | |
1615 | int_simd16_t tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; | |
1616 | int_simd16_t tmp10, tmp11, tmp12, tmp13; | |
1617 | int_simd16_t z5, z10, z11, z12, z13; | |
1618 | int16_t* outptr; | |
1619 | int16_t* wsptr; | |
1620 | ||
1621 | cnt*=4; | |
1622 | wsptr = workspace; | |
1623 | outptr = output_adr; | |
1624 | for (; cnt > 0; cnt--) { | |
1625 | // Even part | |
1626 | //Simd version reads 4x4 block and transposes it | |
1627 | tmp10 = ( wsptr[2] + wsptr[3]); | |
1628 | tmp11 = ( wsptr[2] - wsptr[3]); | |
1629 | ||
1630 | tmp13 = ( wsptr[0] + wsptr[1]); | |
1631 | tmp12 = (MULTIPLY16H( wsptr[0] - wsptr[1], FIX_1_414213562_A)<<2) - tmp13;//this shift order to avoid overflow | |
1632 | ||
1633 | tmp0 = tmp10 + tmp13; //->temps | |
1634 | tmp3 = tmp10 - tmp13; //->temps | |
1635 | tmp1 = tmp11 + tmp12; | |
1636 | tmp2 = tmp11 - tmp12; | |
1637 | ||
1638 | // Odd part | |
1639 | //Also transpose, with previous: | |
1640 | // ---- ---- |||| | |
1641 | // ---- ---- idct |||| | |
1642 | // ---- ---- ---> |||| | |
1643 | // ---- ---- |||| | |
1644 | z13 = wsptr[4] + wsptr[5]; | |
1645 | z10 = wsptr[4] - wsptr[5]; | |
1646 | z11 = wsptr[6] + wsptr[7]; | |
1647 | z12 = wsptr[6] - wsptr[7]; | |
1648 | ||
1649 | tmp7 = z11 + z13; | |
1650 | tmp11 = MULTIPLY16H(z11 - z13, FIX_1_414213562); | |
1651 | ||
1652 | z5 = MULTIPLY16H(z10 + z12, FIX_1_847759065); | |
1653 | tmp10 = MULTIPLY16H(z12, FIX_1_082392200) - z5; | |
1654 | tmp12 = MULTIPLY16H(z10, FIX_2_613125930) + z5; // - FIX_ | |
1655 | ||
1656 | tmp6 = (tmp12<<3) - tmp7; | |
1657 | tmp5 = (tmp11<<3) - tmp6; | |
1658 | tmp4 = (tmp10<<3) + tmp5; | |
1659 | ||
1660 | // Final output stage: descale and write column | |
1661 | outptr[0*output_stride]+= DESCALE(tmp0 + tmp7, 3); | |
1662 | outptr[1*output_stride]+= DESCALE(tmp1 + tmp6, 3); | |
1663 | outptr[2*output_stride]+= DESCALE(tmp2 + tmp5, 3); | |
1664 | outptr[3*output_stride]+= DESCALE(tmp3 - tmp4, 3); | |
1665 | outptr[4*output_stride]+= DESCALE(tmp3 + tmp4, 3); | |
1666 | outptr[5*output_stride]+= DESCALE(tmp2 - tmp5, 3); | |
1667 | outptr[6*output_stride]+= DESCALE(tmp1 - tmp6, 3); //no += ? | |
1668 | outptr[7*output_stride]+= DESCALE(tmp0 - tmp7, 3); //no += ? | |
1669 | outptr++; | |
1670 | ||
1671 | wsptr += DCTSIZE; // advance pointer to next row | |
1672 | } | |
1673 | } | |
1674 | ||
1675 | #else /* HAVE_MMX */ | |
1676 | ||
1677 | static void row_idct_mmx (int16_t* workspace, | |
1678 | int16_t* output_adr, int output_stride, int cnt) | |
1679 | { | |
1680 | DECLARE_ALIGNED(8, uint64_t, temps)[4]; | |
1681 | __asm__ volatile( | |
1682 | "lea (%%"REG_a",%%"REG_a",2), %%"REG_d" \n\t" | |
1683 | "1: \n\t" | |
1684 | "movq "DCTSIZE_S"*0*2(%%"REG_S"), %%mm0 \n\t" | |
1685 | // | |
1686 | ||
1687 | "movq "DCTSIZE_S"*1*2(%%"REG_S"), %%mm1 \n\t" | |
1688 | "movq %%mm0, %%mm4 \n\t" | |
1689 | ||
1690 | "movq "DCTSIZE_S"*2*2(%%"REG_S"), %%mm2 \n\t" | |
1691 | "punpcklwd %%mm1, %%mm0 \n\t" | |
1692 | ||
1693 | "movq "DCTSIZE_S"*3*2(%%"REG_S"), %%mm3 \n\t" | |
1694 | "punpckhwd %%mm1, %%mm4 \n\t" | |
1695 | ||
1696 | //transpose 4x4 | |
1697 | "movq %%mm2, %%mm7 \n\t" | |
1698 | "punpcklwd %%mm3, %%mm2 \n\t" | |
1699 | ||
1700 | "movq %%mm0, %%mm6 \n\t" | |
1701 | "punpckldq %%mm2, %%mm0 \n\t" //0 | |
1702 | ||
1703 | "punpckhdq %%mm2, %%mm6 \n\t" //1 | |
1704 | "movq %%mm0, %%mm5 \n\t" | |
1705 | ||
1706 | "punpckhwd %%mm3, %%mm7 \n\t" | |
1707 | "psubw %%mm6, %%mm0 \n\t" | |
1708 | ||
1709 | "pmulhw "MANGLE(MM_FIX_1_414213562_A)", %%mm0 \n\t" | |
1710 | "movq %%mm4, %%mm2 \n\t" | |
1711 | ||
1712 | "punpckldq %%mm7, %%mm4 \n\t" //2 | |
1713 | "paddw %%mm6, %%mm5 \n\t" | |
1714 | ||
1715 | "punpckhdq %%mm7, %%mm2 \n\t" //3 | |
1716 | "movq %%mm4, %%mm1 \n\t" | |
1717 | ||
1718 | "psllw $2, %%mm0 \n\t" | |
1719 | "paddw %%mm2, %%mm4 \n\t" //t10 | |
1720 | ||
1721 | "movq "DCTSIZE_S"*0*2+"DCTSIZE_S"(%%"REG_S"), %%mm3 \n\t" | |
1722 | "psubw %%mm2, %%mm1 \n\t" //t11 | |
1723 | ||
1724 | "movq "DCTSIZE_S"*1*2+"DCTSIZE_S"(%%"REG_S"), %%mm2 \n\t" | |
1725 | "psubw %%mm5, %%mm0 \n\t" | |
1726 | ||
1727 | "movq %%mm4, %%mm6 \n\t" | |
1728 | "paddw %%mm5, %%mm4 \n\t" //t0 | |
1729 | ||
1730 | "psubw %%mm5, %%mm6 \n\t" //t3 | |
1731 | "movq %%mm1, %%mm7 \n\t" | |
1732 | ||
1733 | "movq "DCTSIZE_S"*2*2+"DCTSIZE_S"(%%"REG_S"), %%mm5 \n\t" | |
1734 | "paddw %%mm0, %%mm1 \n\t" //t1 | |
1735 | ||
1736 | "movq %%mm4, 0*8+%3 \n\t" //t0 | |
1737 | "movq %%mm3, %%mm4 \n\t" | |
1738 | ||
1739 | "movq %%mm6, 1*8+%3 \n\t" //t3 | |
1740 | "punpcklwd %%mm2, %%mm3 \n\t" | |
1741 | ||
1742 | //transpose 4x4 | |
1743 | "movq "DCTSIZE_S"*3*2+"DCTSIZE_S"(%%"REG_S"), %%mm6 \n\t" | |
1744 | "punpckhwd %%mm2, %%mm4 \n\t" | |
1745 | ||
1746 | "movq %%mm5, %%mm2 \n\t" | |
1747 | "punpcklwd %%mm6, %%mm5 \n\t" | |
1748 | ||
1749 | "psubw %%mm0, %%mm7 \n\t" //t2 | |
1750 | "punpckhwd %%mm6, %%mm2 \n\t" | |
1751 | ||
1752 | "movq %%mm3, %%mm0 \n\t" | |
1753 | "punpckldq %%mm5, %%mm3 \n\t" //4 | |
1754 | ||
1755 | "punpckhdq %%mm5, %%mm0 \n\t" //5 | |
1756 | "movq %%mm4, %%mm5 \n\t" | |
1757 | ||
1758 | // | |
1759 | "movq %%mm3, %%mm6 \n\t" | |
1760 | "punpckldq %%mm2, %%mm4 \n\t" //6 | |
1761 | ||
1762 | "psubw %%mm0, %%mm3 \n\t" //z10 | |
1763 | "punpckhdq %%mm2, %%mm5 \n\t" //7 | |
1764 | ||
1765 | "paddw %%mm0, %%mm6 \n\t" //z13 | |
1766 | "movq %%mm4, %%mm2 \n\t" | |
1767 | ||
1768 | "movq %%mm3, %%mm0 \n\t" | |
1769 | "psubw %%mm5, %%mm4 \n\t" //z12 | |
1770 | ||
1771 | "pmulhw "MANGLE(MM_FIX_2_613125930)", %%mm0 \n\t" //- | |
1772 | "paddw %%mm4, %%mm3 \n\t" | |
1773 | ||
1774 | "pmulhw "MANGLE(MM_FIX_1_847759065)", %%mm3 \n\t" //z5 | |
1775 | "paddw %%mm5, %%mm2 \n\t" //z11 > | |
1776 | ||
1777 | "pmulhw "MANGLE(MM_FIX_1_082392200)", %%mm4 \n\t" | |
1778 | "movq %%mm2, %%mm5 \n\t" | |
1779 | ||
1780 | "psubw %%mm6, %%mm2 \n\t" | |
1781 | "paddw %%mm6, %%mm5 \n\t" //t7 | |
1782 | ||
1783 | "pmulhw "MANGLE(MM_FIX_1_414213562)", %%mm2 \n\t" //t11 | |
1784 | "paddw %%mm3, %%mm0 \n\t" //t12 | |
1785 | ||
1786 | "psllw $3, %%mm0 \n\t" | |
1787 | "psubw %%mm3, %%mm4 \n\t" //t10 | |
1788 | ||
1789 | "movq 0*8+%3, %%mm6 \n\t" | |
1790 | "movq %%mm1, %%mm3 \n\t" | |
1791 | ||
1792 | "psllw $3, %%mm4 \n\t" | |
1793 | "psubw %%mm5, %%mm0 \n\t" //t6 | |
1794 | ||
1795 | "psllw $3, %%mm2 \n\t" | |
1796 | "paddw %%mm0, %%mm1 \n\t" //d1 | |
1797 | ||
1798 | "psubw %%mm0, %%mm2 \n\t" //t5 | |
1799 | "psubw %%mm0, %%mm3 \n\t" //d6 | |
1800 | ||
1801 | "paddw %%mm2, %%mm4 \n\t" //t4 | |
1802 | "movq %%mm7, %%mm0 \n\t" | |
1803 | ||
1804 | "paddw %%mm2, %%mm7 \n\t" //d2 | |
1805 | "psubw %%mm2, %%mm0 \n\t" //d5 | |
1806 | ||
1807 | "movq "MANGLE(MM_DESCALE_RND)", %%mm2 \n\t" //4 | |
1808 | "psubw %%mm5, %%mm6 \n\t" //d7 | |
1809 | ||
1810 | "paddw 0*8+%3, %%mm5 \n\t" //d0 | |
1811 | "paddw %%mm2, %%mm1 \n\t" | |
1812 | ||
1813 | "paddw %%mm2, %%mm5 \n\t" | |
1814 | "psraw $3, %%mm1 \n\t" | |
1815 | ||
1816 | "paddw %%mm2, %%mm7 \n\t" | |
1817 | "psraw $3, %%mm5 \n\t" | |
1818 | ||
1819 | "paddw (%%"REG_D"), %%mm5 \n\t" | |
1820 | "psraw $3, %%mm7 \n\t" | |
1821 | ||
1822 | "paddw (%%"REG_D",%%"REG_a"), %%mm1 \n\t" | |
1823 | "paddw %%mm2, %%mm0 \n\t" | |
1824 | ||
1825 | "paddw (%%"REG_D",%%"REG_a",2), %%mm7 \n\t" | |
1826 | "paddw %%mm2, %%mm3 \n\t" | |
1827 | ||
1828 | "movq %%mm5, (%%"REG_D") \n\t" | |
1829 | "paddw %%mm2, %%mm6 \n\t" | |
1830 | ||
1831 | "movq %%mm1, (%%"REG_D",%%"REG_a") \n\t" | |
1832 | "psraw $3, %%mm0 \n\t" | |
1833 | ||
1834 | "movq %%mm7, (%%"REG_D",%%"REG_a",2) \n\t" | |
1835 | "add %%"REG_d", %%"REG_D" \n\t" //3*ls | |
1836 | ||
1837 | "movq 1*8+%3, %%mm5 \n\t" //t3 | |
1838 | "psraw $3, %%mm3 \n\t" | |
1839 | ||
1840 | "paddw (%%"REG_D",%%"REG_a",2), %%mm0 \n\t" | |
1841 | "psubw %%mm4, %%mm5 \n\t" //d3 | |
1842 | ||
1843 | "paddw (%%"REG_D",%%"REG_d"), %%mm3 \n\t" | |
1844 | "psraw $3, %%mm6 \n\t" | |
1845 | ||
1846 | "paddw 1*8+%3, %%mm4 \n\t" //d4 | |
1847 | "paddw %%mm2, %%mm5 \n\t" | |
1848 | ||
1849 | "paddw (%%"REG_D",%%"REG_a",4), %%mm6 \n\t" | |
1850 | "paddw %%mm2, %%mm4 \n\t" | |
1851 | ||
1852 | "movq %%mm0, (%%"REG_D",%%"REG_a",2) \n\t" | |
1853 | "psraw $3, %%mm5 \n\t" | |
1854 | ||
1855 | "paddw (%%"REG_D"), %%mm5 \n\t" | |
1856 | "psraw $3, %%mm4 \n\t" | |
1857 | ||
1858 | "paddw (%%"REG_D",%%"REG_a"), %%mm4 \n\t" | |
1859 | "add $"DCTSIZE_S"*2*4, %%"REG_S" \n\t" //4 rows | |
1860 | ||
1861 | "movq %%mm3, (%%"REG_D",%%"REG_d") \n\t" | |
1862 | "movq %%mm6, (%%"REG_D",%%"REG_a",4) \n\t" | |
1863 | "movq %%mm5, (%%"REG_D") \n\t" | |
1864 | "movq %%mm4, (%%"REG_D",%%"REG_a") \n\t" | |
1865 | ||
1866 | "sub %%"REG_d", %%"REG_D" \n\t" | |
1867 | "add $8, %%"REG_D" \n\t" | |
1868 | "dec %%"REG_c" \n\t" | |
1869 | "jnz 1b \n\t" | |
1870 | ||
1871 | : "+S"(workspace), "+D"(output_adr), "+c"(cnt), "=o"(temps) | |
1872 | : "a"(output_stride*sizeof(short)) | |
1873 | NAMED_CONSTRAINTS_ADD(MM_FIX_1_414213562_A,MM_FIX_2_613125930,MM_FIX_1_847759065,MM_FIX_1_082392200, | |
1874 | MM_FIX_1_414213562,MM_DESCALE_RND) | |
1875 | : "%"REG_d | |
1876 | ); | |
1877 | } | |
1878 | ||
1879 | #endif // HAVE_MMX | |
1880 | ||
1881 | #if !HAVE_MMX | |
1882 | ||
1883 | static void row_fdct_c(int16_t *data, const uint8_t *pixels, int line_size, int cnt) | |
1884 | { | |
1885 | int_simd16_t tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; | |
1886 | int_simd16_t tmp10, tmp11, tmp12, tmp13; | |
1887 | int_simd16_t z1, z2, z3, z4, z5, z11, z13; | |
1888 | int16_t *dataptr; | |
1889 | ||
1890 | cnt*=4; | |
1891 | // Pass 1: process rows. | |
1892 | ||
1893 | dataptr = data; | |
1894 | for (; cnt > 0; cnt--) { | |
1895 | tmp0 = pixels[line_size*0] + pixels[line_size*7]; | |
1896 | tmp7 = pixels[line_size*0] - pixels[line_size*7]; | |
1897 | tmp1 = pixels[line_size*1] + pixels[line_size*6]; | |
1898 | tmp6 = pixels[line_size*1] - pixels[line_size*6]; | |
1899 | tmp2 = pixels[line_size*2] + pixels[line_size*5]; | |
1900 | tmp5 = pixels[line_size*2] - pixels[line_size*5]; | |
1901 | tmp3 = pixels[line_size*3] + pixels[line_size*4]; | |
1902 | tmp4 = pixels[line_size*3] - pixels[line_size*4]; | |
1903 | ||
1904 | // Even part | |
1905 | ||
1906 | tmp10 = tmp0 + tmp3; | |
1907 | tmp13 = tmp0 - tmp3; | |
1908 | tmp11 = tmp1 + tmp2; | |
1909 | tmp12 = tmp1 - tmp2; | |
1910 | //Even columns are written first, this leads to different order of columns | |
1911 | //in column_fidct(), but they are processed independently, so all ok. | |
1912 | //Later in the row_idct() columns readed at the same order. | |
1913 | dataptr[2] = tmp10 + tmp11; | |
1914 | dataptr[3] = tmp10 - tmp11; | |
1915 | ||
1916 | z1 = MULTIPLY16H((tmp12 + tmp13)<<2, FIX_0_707106781); | |
1917 | dataptr[0] = tmp13 + z1; | |
1918 | dataptr[1] = tmp13 - z1; | |
1919 | ||
1920 | // Odd part | |
1921 | ||
1922 | tmp10 = (tmp4 + tmp5) <<2; | |
1923 | tmp11 = (tmp5 + tmp6) <<2; | |
1924 | tmp12 = (tmp6 + tmp7) <<2; | |
1925 | ||
1926 | z5 = MULTIPLY16H(tmp10 - tmp12, FIX_0_382683433); | |
1927 | z2 = MULTIPLY16H(tmp10, FIX_0_541196100) + z5; | |
1928 | z4 = MULTIPLY16H(tmp12, FIX_1_306562965) + z5; | |
1929 | z3 = MULTIPLY16H(tmp11, FIX_0_707106781); | |
1930 | ||
1931 | z11 = tmp7 + z3; | |
1932 | z13 = tmp7 - z3; | |
1933 | ||
1934 | dataptr[4] = z13 + z2; | |
1935 | dataptr[5] = z13 - z2; | |
1936 | dataptr[6] = z11 + z4; | |
1937 | dataptr[7] = z11 - z4; | |
1938 | ||
1939 | pixels++; // advance pointer to next column | |
1940 | dataptr += DCTSIZE; | |
1941 | } | |
1942 | } | |
1943 | ||
1944 | #else /* HAVE_MMX */ | |
1945 | ||
1946 | static void row_fdct_mmx(int16_t *data, const uint8_t *pixels, int line_size, int cnt) | |
1947 | { | |
1948 | DECLARE_ALIGNED(8, uint64_t, temps)[4]; | |
1949 | __asm__ volatile( | |
1950 | "lea (%%"REG_a",%%"REG_a",2), %%"REG_d" \n\t" | |
1951 | "6: \n\t" | |
1952 | "movd (%%"REG_S"), %%mm0 \n\t" | |
1953 | "pxor %%mm7, %%mm7 \n\t" | |
1954 | ||
1955 | "movd (%%"REG_S",%%"REG_a"), %%mm1 \n\t" | |
1956 | "punpcklbw %%mm7, %%mm0 \n\t" | |
1957 | ||
1958 | "movd (%%"REG_S",%%"REG_a",2), %%mm2 \n\t" | |
1959 | "punpcklbw %%mm7, %%mm1 \n\t" | |
1960 | ||
1961 | "punpcklbw %%mm7, %%mm2 \n\t" | |
1962 | "add %%"REG_d", %%"REG_S" \n\t" | |
1963 | ||
1964 | "movq %%mm0, %%mm5 \n\t" | |
1965 | // | |
1966 | ||
1967 | "movd (%%"REG_S",%%"REG_a",4), %%mm3 \n\t" //7 ;prefetch! | |
1968 | "movq %%mm1, %%mm6 \n\t" | |
1969 | ||
1970 | "movd (%%"REG_S",%%"REG_d"), %%mm4 \n\t" //6 | |
1971 | "punpcklbw %%mm7, %%mm3 \n\t" | |
1972 | ||
1973 | "psubw %%mm3, %%mm5 \n\t" | |
1974 | "punpcklbw %%mm7, %%mm4 \n\t" | |
1975 | ||
1976 | "paddw %%mm3, %%mm0 \n\t" | |
1977 | "psubw %%mm4, %%mm6 \n\t" | |
1978 | ||
1979 | "movd (%%"REG_S",%%"REG_a",2), %%mm3 \n\t" //5 | |
1980 | "paddw %%mm4, %%mm1 \n\t" | |
1981 | ||
1982 | "movq %%mm5, %3 \n\t" //t7 | |
1983 | "punpcklbw %%mm7, %%mm3 \n\t" | |
1984 | ||
1985 | "movq %%mm6, %4 \n\t" //t6 | |
1986 | "movq %%mm2, %%mm4 \n\t" | |
1987 | ||
1988 | "movd (%%"REG_S"), %%mm5 \n\t" //3 | |
1989 | "paddw %%mm3, %%mm2 \n\t" | |
1990 | ||
1991 | "movd (%%"REG_S",%%"REG_a"), %%mm6 \n\t" //4 | |
1992 | "punpcklbw %%mm7, %%mm5 \n\t" | |
1993 | ||
1994 | "psubw %%mm3, %%mm4 \n\t" | |
1995 | "punpcklbw %%mm7, %%mm6 \n\t" | |
1996 | ||
1997 | "movq %%mm5, %%mm3 \n\t" | |
1998 | "paddw %%mm6, %%mm5 \n\t" //t3 | |
1999 | ||
2000 | "psubw %%mm6, %%mm3 \n\t" //t4 ; t0 t1 t2 t4 t5 t3 - - | |
2001 | "movq %%mm0, %%mm6 \n\t" | |
2002 | ||
2003 | "movq %%mm1, %%mm7 \n\t" | |
2004 | "psubw %%mm5, %%mm0 \n\t" //t13 | |
2005 | ||
2006 | "psubw %%mm2, %%mm1 \n\t" | |
2007 | "paddw %%mm2, %%mm7 \n\t" //t11 | |
2008 | ||
2009 | "paddw %%mm0, %%mm1 \n\t" | |
2010 | "movq %%mm7, %%mm2 \n\t" | |
2011 | ||
2012 | "psllw $2, %%mm1 \n\t" | |
2013 | "paddw %%mm5, %%mm6 \n\t" //t10 | |
2014 | ||
2015 | "pmulhw "MANGLE(ff_MM_FIX_0_707106781)", %%mm1 \n\t" | |
2016 | "paddw %%mm6, %%mm7 \n\t" //d2 | |
2017 | ||
2018 | "psubw %%mm2, %%mm6 \n\t" //d3 | |
2019 | "movq %%mm0, %%mm5 \n\t" | |
2020 | ||
2021 | //transpose 4x4 | |
2022 | "movq %%mm7, %%mm2 \n\t" | |
2023 | "punpcklwd %%mm6, %%mm7 \n\t" | |
2024 | ||
2025 | "paddw %%mm1, %%mm0 \n\t" //d0 | |
2026 | "punpckhwd %%mm6, %%mm2 \n\t" | |
2027 | ||
2028 | "psubw %%mm1, %%mm5 \n\t" //d1 | |
2029 | "movq %%mm0, %%mm6 \n\t" | |
2030 | ||
2031 | "movq %4, %%mm1 \n\t" | |
2032 | "punpcklwd %%mm5, %%mm0 \n\t" | |
2033 | ||
2034 | "punpckhwd %%mm5, %%mm6 \n\t" | |
2035 | "movq %%mm0, %%mm5 \n\t" | |
2036 | ||
2037 | "punpckldq %%mm7, %%mm0 \n\t" //0 | |
2038 | "paddw %%mm4, %%mm3 \n\t" | |
2039 | ||
2040 | "punpckhdq %%mm7, %%mm5 \n\t" //1 | |
2041 | "movq %%mm6, %%mm7 \n\t" | |
2042 | ||
2043 | "movq %%mm0, "DCTSIZE_S"*0*2(%%"REG_D") \n\t" | |
2044 | "punpckldq %%mm2, %%mm6 \n\t" //2 | |
2045 | ||
2046 | "movq %%mm5, "DCTSIZE_S"*1*2(%%"REG_D") \n\t" | |
2047 | "punpckhdq %%mm2, %%mm7 \n\t" //3 | |
2048 | ||
2049 | "movq %%mm6, "DCTSIZE_S"*2*2(%%"REG_D") \n\t" | |
2050 | "paddw %%mm1, %%mm4 \n\t" | |
2051 | ||
2052 | "movq %%mm7, "DCTSIZE_S"*3*2(%%"REG_D") \n\t" | |
2053 | "psllw $2, %%mm3 \n\t" //t10 | |
2054 | ||
2055 | "movq %3, %%mm2 \n\t" | |
2056 | "psllw $2, %%mm4 \n\t" //t11 | |
2057 | ||
2058 | "pmulhw "MANGLE(ff_MM_FIX_0_707106781)", %%mm4 \n\t" //z3 | |
2059 | "paddw %%mm2, %%mm1 \n\t" | |
2060 | ||
2061 | "psllw $2, %%mm1 \n\t" //t12 | |
2062 | "movq %%mm3, %%mm0 \n\t" | |
2063 | ||
2064 | "pmulhw "MANGLE(ff_MM_FIX_0_541196100)", %%mm0 \n\t" | |
2065 | "psubw %%mm1, %%mm3 \n\t" | |
2066 | ||
2067 | "pmulhw "MANGLE(MM_FIX_0_382683433)", %%mm3 \n\t" //z5 | |
2068 | "movq %%mm2, %%mm5 \n\t" | |
2069 | ||
2070 | "pmulhw "MANGLE(MM_FIX_1_306562965)", %%mm1 \n\t" | |
2071 | "psubw %%mm4, %%mm2 \n\t" //z13 | |
2072 | ||
2073 | "paddw %%mm4, %%mm5 \n\t" //z11 | |
2074 | "movq %%mm2, %%mm6 \n\t" | |
2075 | ||
2076 | "paddw %%mm3, %%mm0 \n\t" //z2 | |
2077 | "movq %%mm5, %%mm7 \n\t" | |
2078 | ||
2079 | "paddw %%mm0, %%mm2 \n\t" //d4 | |
2080 | "psubw %%mm0, %%mm6 \n\t" //d5 | |
2081 | ||
2082 | "movq %%mm2, %%mm4 \n\t" | |
2083 | "paddw %%mm3, %%mm1 \n\t" //z4 | |
2084 | ||
2085 | //transpose 4x4 | |
2086 | "punpcklwd %%mm6, %%mm2 \n\t" | |
2087 | "paddw %%mm1, %%mm5 \n\t" //d6 | |
2088 | ||
2089 | "punpckhwd %%mm6, %%mm4 \n\t" | |
2090 | "psubw %%mm1, %%mm7 \n\t" //d7 | |
2091 | ||
2092 | "movq %%mm5, %%mm6 \n\t" | |
2093 | "punpcklwd %%mm7, %%mm5 \n\t" | |
2094 | ||
2095 | "punpckhwd %%mm7, %%mm6 \n\t" | |
2096 | "movq %%mm2, %%mm7 \n\t" | |
2097 | ||
2098 | "punpckldq %%mm5, %%mm2 \n\t" //4 | |
2099 | "sub %%"REG_d", %%"REG_S" \n\t" | |
2100 | ||
2101 | "punpckhdq %%mm5, %%mm7 \n\t" //5 | |
2102 | "movq %%mm4, %%mm5 \n\t" | |
2103 | ||
2104 | "movq %%mm2, "DCTSIZE_S"*0*2+"DCTSIZE_S"(%%"REG_D") \n\t" | |
2105 | "punpckldq %%mm6, %%mm4 \n\t" //6 | |
2106 | ||
2107 | "movq %%mm7, "DCTSIZE_S"*1*2+"DCTSIZE_S"(%%"REG_D") \n\t" | |
2108 | "punpckhdq %%mm6, %%mm5 \n\t" //7 | |
2109 | ||
2110 | "movq %%mm4, "DCTSIZE_S"*2*2+"DCTSIZE_S"(%%"REG_D") \n\t" | |
2111 | "add $4, %%"REG_S" \n\t" | |
2112 | ||
2113 | "movq %%mm5, "DCTSIZE_S"*3*2+"DCTSIZE_S"(%%"REG_D") \n\t" | |
2114 | "add $"DCTSIZE_S"*2*4, %%"REG_D" \n\t" //4 rows | |
2115 | "dec %%"REG_c" \n\t" | |
2116 | "jnz 6b \n\t" | |
2117 | ||
2118 | : "+S"(pixels), "+D"(data), "+c"(cnt), "=o"(temps), "=o"(temps[1]) | |
2119 | : "a"(line_size) | |
2120 | NAMED_CONSTRAINTS_ADD(ff_MM_FIX_0_707106781,ff_MM_FIX_0_541196100,MM_FIX_0_382683433,MM_FIX_1_306562965) | |
2121 | : "%"REG_d); | |
2122 | } | |
2123 | ||
2124 | #endif // HAVE_MMX |