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vf_fspp.c
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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  * Futher, 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 "vd_ffmpeg.h"
49 #include "libvo/fastmemcpy.h"
50 
51 #include "libavutil/internal.h"
52 #include "libavutil/intreadwrite.h"
53 #include "libavutil/mem.h"
54 #include "libavcodec/avcodec.h"
55 #include "libavcodec/dsputil.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 static const uint8_t __attribute__((aligned(32))) 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, DCTELEM *data, DCTELEM *output, int cnt);
168 static void row_idct_c(DCTELEM* workspace,
169  int16_t* output_adr, int output_stride, int cnt);
170 static void row_fdct_c(DCTELEM *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, DCTELEM *data, DCTELEM *output, int cnt);
397 static void row_idct_mmx(DCTELEM* workspace,
398  int16_t* output_adr, int output_stride, int cnt);
399 static void row_fdct_mmx(DCTELEM *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  int32_t __attribute__((aligned(32))) block_align[4*8*BLOCKSZ+ 4*8*BLOCKSZ];
419  DCTELEM *block= (DCTELEM *)block_align;
420  DCTELEM *block3=(DCTELEM *)(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(DCTELEM)); //cycling
464  memmove(block3, block3+(BLOCKSZ-1)*64, 6*8*sizeof(DCTELEM));
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 DCTELEM; //! 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, DCTELEM *data, DCTELEM *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  DCTELEM* dataptr;
756  DCTELEM* 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, DCTELEM *data, DCTELEM *output, int cnt)
874 {
875  uint64_t __attribute__((aligned(8))) 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  : "%"REG_a
1601  );
1602 }
1603 
1604 #endif // HAVE_MMX
1605 
1606 #if !HAVE_MMX
1607 
1608 static void row_idct_c(DCTELEM* workspace,
1609  int16_t* output_adr, int output_stride, int cnt)
1610 {
1611  int_simd16_t tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
1612  int_simd16_t tmp10, tmp11, tmp12, tmp13;
1613  int_simd16_t z5, z10, z11, z12, z13;
1614  int16_t* outptr;
1615  DCTELEM* wsptr;
1616 
1617  cnt*=4;
1618  wsptr = workspace;
1619  outptr = output_adr;
1620  for (; cnt > 0; cnt--) {
1621  // Even part
1622  //Simd version reads 4x4 block and transposes it
1623  tmp10 = ( wsptr[2] + wsptr[3]);
1624  tmp11 = ( wsptr[2] - wsptr[3]);
1625 
1626  tmp13 = ( wsptr[0] + wsptr[1]);
1627  tmp12 = (MULTIPLY16H( wsptr[0] - wsptr[1], FIX_1_414213562_A)<<2) - tmp13;//this shift order to avoid overflow
1628 
1629  tmp0 = tmp10 + tmp13; //->temps
1630  tmp3 = tmp10 - tmp13; //->temps
1631  tmp1 = tmp11 + tmp12;
1632  tmp2 = tmp11 - tmp12;
1633 
1634  // Odd part
1635  //Also transpose, with previous:
1636  // ---- ---- ||||
1637  // ---- ---- idct ||||
1638  // ---- ---- ---> ||||
1639  // ---- ---- ||||
1640  z13 = wsptr[4] + wsptr[5];
1641  z10 = wsptr[4] - wsptr[5];
1642  z11 = wsptr[6] + wsptr[7];
1643  z12 = wsptr[6] - wsptr[7];
1644 
1645  tmp7 = z11 + z13;
1646  tmp11 = MULTIPLY16H(z11 - z13, FIX_1_414213562);
1647 
1648  z5 = MULTIPLY16H(z10 + z12, FIX_1_847759065);
1649  tmp10 = MULTIPLY16H(z12, FIX_1_082392200) - z5;
1650  tmp12 = MULTIPLY16H(z10, FIX_2_613125930) + z5; // - FIX_
1651 
1652  tmp6 = (tmp12<<3) - tmp7;
1653  tmp5 = (tmp11<<3) - tmp6;
1654  tmp4 = (tmp10<<3) + tmp5;
1655 
1656  // Final output stage: descale and write column
1657  outptr[0*output_stride]+= DESCALE(tmp0 + tmp7, 3);
1658  outptr[1*output_stride]+= DESCALE(tmp1 + tmp6, 3);
1659  outptr[2*output_stride]+= DESCALE(tmp2 + tmp5, 3);
1660  outptr[3*output_stride]+= DESCALE(tmp3 - tmp4, 3);
1661  outptr[4*output_stride]+= DESCALE(tmp3 + tmp4, 3);
1662  outptr[5*output_stride]+= DESCALE(tmp2 - tmp5, 3);
1663  outptr[6*output_stride]+= DESCALE(tmp1 - tmp6, 3); //no += ?
1664  outptr[7*output_stride]+= DESCALE(tmp0 - tmp7, 3); //no += ?
1665  outptr++;
1666 
1667  wsptr += DCTSIZE; // advance pointer to next row
1668  }
1669 }
1670 
1671 #else /* HAVE_MMX */
1672 
1673 static void row_idct_mmx (DCTELEM* workspace,
1674  int16_t* output_adr, int output_stride, int cnt)
1675 {
1676  uint64_t __attribute__((aligned(8))) temps[4];
1677  __asm__ volatile(
1678  "lea (%%"REG_a",%%"REG_a",2), %%"REG_d" \n\t"
1679  "1: \n\t"
1680  "movq "DCTSIZE_S"*0*2(%%"REG_S"), %%mm0 \n\t"
1681  //
1682 
1683  "movq "DCTSIZE_S"*1*2(%%"REG_S"), %%mm1 \n\t"
1684  "movq %%mm0, %%mm4 \n\t"
1685 
1686  "movq "DCTSIZE_S"*2*2(%%"REG_S"), %%mm2 \n\t"
1687  "punpcklwd %%mm1, %%mm0 \n\t"
1688 
1689  "movq "DCTSIZE_S"*3*2(%%"REG_S"), %%mm3 \n\t"
1690  "punpckhwd %%mm1, %%mm4 \n\t"
1691 
1692  //transpose 4x4
1693  "movq %%mm2, %%mm7 \n\t"
1694  "punpcklwd %%mm3, %%mm2 \n\t"
1695 
1696  "movq %%mm0, %%mm6 \n\t"
1697  "punpckldq %%mm2, %%mm0 \n\t" //0
1698 
1699  "punpckhdq %%mm2, %%mm6 \n\t" //1
1700  "movq %%mm0, %%mm5 \n\t"
1701 
1702  "punpckhwd %%mm3, %%mm7 \n\t"
1703  "psubw %%mm6, %%mm0 \n\t"
1704 
1705  "pmulhw "MANGLE(MM_FIX_1_414213562_A)", %%mm0 \n\t"
1706  "movq %%mm4, %%mm2 \n\t"
1707 
1708  "punpckldq %%mm7, %%mm4 \n\t" //2
1709  "paddw %%mm6, %%mm5 \n\t"
1710 
1711  "punpckhdq %%mm7, %%mm2 \n\t" //3
1712  "movq %%mm4, %%mm1 \n\t"
1713 
1714  "psllw $2, %%mm0 \n\t"
1715  "paddw %%mm2, %%mm4 \n\t" //t10
1716 
1717  "movq "DCTSIZE_S"*0*2+"DCTSIZE_S"(%%"REG_S"), %%mm3 \n\t"
1718  "psubw %%mm2, %%mm1 \n\t" //t11
1719 
1720  "movq "DCTSIZE_S"*1*2+"DCTSIZE_S"(%%"REG_S"), %%mm2 \n\t"
1721  "psubw %%mm5, %%mm0 \n\t"
1722 
1723  "movq %%mm4, %%mm6 \n\t"
1724  "paddw %%mm5, %%mm4 \n\t" //t0
1725 
1726  "psubw %%mm5, %%mm6 \n\t" //t3
1727  "movq %%mm1, %%mm7 \n\t"
1728 
1729  "movq "DCTSIZE_S"*2*2+"DCTSIZE_S"(%%"REG_S"), %%mm5 \n\t"
1730  "paddw %%mm0, %%mm1 \n\t" //t1
1731 
1732  "movq %%mm4, 0*8+%3 \n\t" //t0
1733  "movq %%mm3, %%mm4 \n\t"
1734 
1735  "movq %%mm6, 1*8+%3 \n\t" //t3
1736  "punpcklwd %%mm2, %%mm3 \n\t"
1737 
1738  //transpose 4x4
1739  "movq "DCTSIZE_S"*3*2+"DCTSIZE_S"(%%"REG_S"), %%mm6 \n\t"
1740  "punpckhwd %%mm2, %%mm4 \n\t"
1741 
1742  "movq %%mm5, %%mm2 \n\t"
1743  "punpcklwd %%mm6, %%mm5 \n\t"
1744 
1745  "psubw %%mm0, %%mm7 \n\t" //t2
1746  "punpckhwd %%mm6, %%mm2 \n\t"
1747 
1748  "movq %%mm3, %%mm0 \n\t"
1749  "punpckldq %%mm5, %%mm3 \n\t" //4
1750 
1751  "punpckhdq %%mm5, %%mm0 \n\t" //5
1752  "movq %%mm4, %%mm5 \n\t"
1753 
1754  //
1755  "movq %%mm3, %%mm6 \n\t"
1756  "punpckldq %%mm2, %%mm4 \n\t" //6
1757 
1758  "psubw %%mm0, %%mm3 \n\t" //z10
1759  "punpckhdq %%mm2, %%mm5 \n\t" //7
1760 
1761  "paddw %%mm0, %%mm6 \n\t" //z13
1762  "movq %%mm4, %%mm2 \n\t"
1763 
1764  "movq %%mm3, %%mm0 \n\t"
1765  "psubw %%mm5, %%mm4 \n\t" //z12
1766 
1767  "pmulhw "MANGLE(MM_FIX_2_613125930)", %%mm0 \n\t" //-
1768  "paddw %%mm4, %%mm3 \n\t"
1769 
1770  "pmulhw "MANGLE(MM_FIX_1_847759065)", %%mm3 \n\t" //z5
1771  "paddw %%mm5, %%mm2 \n\t" //z11 >
1772 
1773  "pmulhw "MANGLE(MM_FIX_1_082392200)", %%mm4 \n\t"
1774  "movq %%mm2, %%mm5 \n\t"
1775 
1776  "psubw %%mm6, %%mm2 \n\t"
1777  "paddw %%mm6, %%mm5 \n\t" //t7
1778 
1779  "pmulhw "MANGLE(MM_FIX_1_414213562)", %%mm2 \n\t" //t11
1780  "paddw %%mm3, %%mm0 \n\t" //t12
1781 
1782  "psllw $3, %%mm0 \n\t"
1783  "psubw %%mm3, %%mm4 \n\t" //t10
1784 
1785  "movq 0*8+%3, %%mm6 \n\t"
1786  "movq %%mm1, %%mm3 \n\t"
1787 
1788  "psllw $3, %%mm4 \n\t"
1789  "psubw %%mm5, %%mm0 \n\t" //t6
1790 
1791  "psllw $3, %%mm2 \n\t"
1792  "paddw %%mm0, %%mm1 \n\t" //d1
1793 
1794  "psubw %%mm0, %%mm2 \n\t" //t5
1795  "psubw %%mm0, %%mm3 \n\t" //d6
1796 
1797  "paddw %%mm2, %%mm4 \n\t" //t4
1798  "movq %%mm7, %%mm0 \n\t"
1799 
1800  "paddw %%mm2, %%mm7 \n\t" //d2
1801  "psubw %%mm2, %%mm0 \n\t" //d5
1802 
1803  "movq "MANGLE(MM_DESCALE_RND)", %%mm2 \n\t" //4
1804  "psubw %%mm5, %%mm6 \n\t" //d7
1805 
1806  "paddw 0*8+%3, %%mm5 \n\t" //d0
1807  "paddw %%mm2, %%mm1 \n\t"
1808 
1809  "paddw %%mm2, %%mm5 \n\t"
1810  "psraw $3, %%mm1 \n\t"
1811 
1812  "paddw %%mm2, %%mm7 \n\t"
1813  "psraw $3, %%mm5 \n\t"
1814 
1815  "paddw (%%"REG_D"), %%mm5 \n\t"
1816  "psraw $3, %%mm7 \n\t"
1817 
1818  "paddw (%%"REG_D",%%"REG_a",), %%mm1 \n\t"
1819  "paddw %%mm2, %%mm0 \n\t"
1820 
1821  "paddw (%%"REG_D",%%"REG_a",2), %%mm7 \n\t"
1822  "paddw %%mm2, %%mm3 \n\t"
1823 
1824  "movq %%mm5, (%%"REG_D") \n\t"
1825  "paddw %%mm2, %%mm6 \n\t"
1826 
1827  "movq %%mm1, (%%"REG_D",%%"REG_a",) \n\t"
1828  "psraw $3, %%mm0 \n\t"
1829 
1830  "movq %%mm7, (%%"REG_D",%%"REG_a",2) \n\t"
1831  "add %%"REG_d", %%"REG_D" \n\t" //3*ls
1832 
1833  "movq 1*8+%3, %%mm5 \n\t" //t3
1834  "psraw $3, %%mm3 \n\t"
1835 
1836  "paddw (%%"REG_D",%%"REG_a",2), %%mm0 \n\t"
1837  "psubw %%mm4, %%mm5 \n\t" //d3
1838 
1839  "paddw (%%"REG_D",%%"REG_d",), %%mm3 \n\t"
1840  "psraw $3, %%mm6 \n\t"
1841 
1842  "paddw 1*8+%3, %%mm4 \n\t" //d4
1843  "paddw %%mm2, %%mm5 \n\t"
1844 
1845  "paddw (%%"REG_D",%%"REG_a",4), %%mm6 \n\t"
1846  "paddw %%mm2, %%mm4 \n\t"
1847 
1848  "movq %%mm0, (%%"REG_D",%%"REG_a",2) \n\t"
1849  "psraw $3, %%mm5 \n\t"
1850 
1851  "paddw (%%"REG_D"), %%mm5 \n\t"
1852  "psraw $3, %%mm4 \n\t"
1853 
1854  "paddw (%%"REG_D",%%"REG_a",), %%mm4 \n\t"
1855  "add $"DCTSIZE_S"*2*4, %%"REG_S" \n\t" //4 rows
1856 
1857  "movq %%mm3, (%%"REG_D",%%"REG_d",) \n\t"
1858  "movq %%mm6, (%%"REG_D",%%"REG_a",4) \n\t"
1859  "movq %%mm5, (%%"REG_D") \n\t"
1860  "movq %%mm4, (%%"REG_D",%%"REG_a",) \n\t"
1861 
1862  "sub %%"REG_d", %%"REG_D" \n\t"
1863  "add $8, %%"REG_D" \n\t"
1864  "dec %%"REG_c" \n\t"
1865  "jnz 1b \n\t"
1866 
1867  : "+S"(workspace), "+D"(output_adr), "+c"(cnt), "=o"(temps)
1868  : "a"(output_stride*sizeof(short))
1869  : "%"REG_d
1870  );
1871 }
1872 
1873 #endif // HAVE_MMX
1874 
1875 #if !HAVE_MMX
1876 
1877 static void row_fdct_c(DCTELEM *data, const uint8_t *pixels, int line_size, int cnt)
1878 {
1879  int_simd16_t tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;
1880  int_simd16_t tmp10, tmp11, tmp12, tmp13;
1881  int_simd16_t z1, z2, z3, z4, z5, z11, z13;
1882  DCTELEM *dataptr;
1883 
1884  cnt*=4;
1885  // Pass 1: process rows.
1886 
1887  dataptr = data;
1888  for (; cnt > 0; cnt--) {
1889  tmp0 = pixels[line_size*0] + pixels[line_size*7];
1890  tmp7 = pixels[line_size*0] - pixels[line_size*7];
1891  tmp1 = pixels[line_size*1] + pixels[line_size*6];
1892  tmp6 = pixels[line_size*1] - pixels[line_size*6];
1893  tmp2 = pixels[line_size*2] + pixels[line_size*5];
1894  tmp5 = pixels[line_size*2] - pixels[line_size*5];
1895  tmp3 = pixels[line_size*3] + pixels[line_size*4];
1896  tmp4 = pixels[line_size*3] - pixels[line_size*4];
1897 
1898  // Even part
1899 
1900  tmp10 = tmp0 + tmp3;
1901  tmp13 = tmp0 - tmp3;
1902  tmp11 = tmp1 + tmp2;
1903  tmp12 = tmp1 - tmp2;
1904  //Even columns are written first, this leads to different order of columns
1905  //in column_fidct(), but they are processed independently, so all ok.
1906  //Later in the row_idct() columns readed at the same order.
1907  dataptr[2] = tmp10 + tmp11;
1908  dataptr[3] = tmp10 - tmp11;
1909 
1910  z1 = MULTIPLY16H((tmp12 + tmp13)<<2, FIX_0_707106781);
1911  dataptr[0] = tmp13 + z1;
1912  dataptr[1] = tmp13 - z1;
1913 
1914  // Odd part
1915 
1916  tmp10 = (tmp4 + tmp5) <<2;
1917  tmp11 = (tmp5 + tmp6) <<2;
1918  tmp12 = (tmp6 + tmp7) <<2;
1919 
1920  z5 = MULTIPLY16H(tmp10 - tmp12, FIX_0_382683433);
1921  z2 = MULTIPLY16H(tmp10, FIX_0_541196100) + z5;
1922  z4 = MULTIPLY16H(tmp12, FIX_1_306562965) + z5;
1923  z3 = MULTIPLY16H(tmp11, FIX_0_707106781);
1924 
1925  z11 = tmp7 + z3;
1926  z13 = tmp7 - z3;
1927 
1928  dataptr[4] = z13 + z2;
1929  dataptr[5] = z13 - z2;
1930  dataptr[6] = z11 + z4;
1931  dataptr[7] = z11 - z4;
1932 
1933  pixels++; // advance pointer to next column
1934  dataptr += DCTSIZE;
1935  }
1936 }
1937 
1938 #else /* HAVE_MMX */
1939 
1940 static void row_fdct_mmx(DCTELEM *data, const uint8_t *pixels, int line_size, int cnt)
1941 {
1942  uint64_t __attribute__((aligned(8))) temps[4];
1943  __asm__ volatile(
1944  "lea (%%"REG_a",%%"REG_a",2), %%"REG_d" \n\t"
1945  "6: \n\t"
1946  "movd (%%"REG_S"), %%mm0 \n\t"
1947  "pxor %%mm7, %%mm7 \n\t"
1948 
1949  "movd (%%"REG_S",%%"REG_a",), %%mm1 \n\t"
1950  "punpcklbw %%mm7, %%mm0 \n\t"
1951 
1952  "movd (%%"REG_S",%%"REG_a",2), %%mm2 \n\t"
1953  "punpcklbw %%mm7, %%mm1 \n\t"
1954 
1955  "punpcklbw %%mm7, %%mm2 \n\t"
1956  "add %%"REG_d", %%"REG_S" \n\t"
1957 
1958  "movq %%mm0, %%mm5 \n\t"
1959  //
1960 
1961  "movd (%%"REG_S",%%"REG_a",4), %%mm3 \n\t" //7 ;prefetch!
1962  "movq %%mm1, %%mm6 \n\t"
1963 
1964  "movd (%%"REG_S",%%"REG_d",), %%mm4 \n\t" //6
1965  "punpcklbw %%mm7, %%mm3 \n\t"
1966 
1967  "psubw %%mm3, %%mm5 \n\t"
1968  "punpcklbw %%mm7, %%mm4 \n\t"
1969 
1970  "paddw %%mm3, %%mm0 \n\t"
1971  "psubw %%mm4, %%mm6 \n\t"
1972 
1973  "movd (%%"REG_S",%%"REG_a",2), %%mm3 \n\t" //5
1974  "paddw %%mm4, %%mm1 \n\t"
1975 
1976  "movq %%mm5, 0*8+%3 \n\t" //t7
1977  "punpcklbw %%mm7, %%mm3 \n\t"
1978 
1979  "movq %%mm6, 1*8+%3 \n\t" //t6
1980  "movq %%mm2, %%mm4 \n\t"
1981 
1982  "movd (%%"REG_S"), %%mm5 \n\t" //3
1983  "paddw %%mm3, %%mm2 \n\t"
1984 
1985  "movd (%%"REG_S",%%"REG_a",), %%mm6 \n\t" //4
1986  "punpcklbw %%mm7, %%mm5 \n\t"
1987 
1988  "psubw %%mm3, %%mm4 \n\t"
1989  "punpcklbw %%mm7, %%mm6 \n\t"
1990 
1991  "movq %%mm5, %%mm3 \n\t"
1992  "paddw %%mm6, %%mm5 \n\t" //t3
1993 
1994  "psubw %%mm6, %%mm3 \n\t" //t4 ; t0 t1 t2 t4 t5 t3 - -
1995  "movq %%mm0, %%mm6 \n\t"
1996 
1997  "movq %%mm1, %%mm7 \n\t"
1998  "psubw %%mm5, %%mm0 \n\t" //t13
1999 
2000  "psubw %%mm2, %%mm1 \n\t"
2001  "paddw %%mm2, %%mm7 \n\t" //t11
2002 
2003  "paddw %%mm0, %%mm1 \n\t"
2004  "movq %%mm7, %%mm2 \n\t"
2005 
2006  "psllw $2, %%mm1 \n\t"
2007  "paddw %%mm5, %%mm6 \n\t" //t10
2008 
2009  "pmulhw "MANGLE(ff_MM_FIX_0_707106781)", %%mm1 \n\t"
2010  "paddw %%mm6, %%mm7 \n\t" //d2
2011 
2012  "psubw %%mm2, %%mm6 \n\t" //d3
2013  "movq %%mm0, %%mm5 \n\t"
2014 
2015  //transpose 4x4
2016  "movq %%mm7, %%mm2 \n\t"
2017  "punpcklwd %%mm6, %%mm7 \n\t"
2018 
2019  "paddw %%mm1, %%mm0 \n\t" //d0
2020  "punpckhwd %%mm6, %%mm2 \n\t"
2021 
2022  "psubw %%mm1, %%mm5 \n\t" //d1
2023  "movq %%mm0, %%mm6 \n\t"
2024 
2025  "movq 1*8+%3, %%mm1 \n\t"
2026  "punpcklwd %%mm5, %%mm0 \n\t"
2027 
2028  "punpckhwd %%mm5, %%mm6 \n\t"
2029  "movq %%mm0, %%mm5 \n\t"
2030 
2031  "punpckldq %%mm7, %%mm0 \n\t" //0
2032  "paddw %%mm4, %%mm3 \n\t"
2033 
2034  "punpckhdq %%mm7, %%mm5 \n\t" //1
2035  "movq %%mm6, %%mm7 \n\t"
2036 
2037  "movq %%mm0, "DCTSIZE_S"*0*2(%%"REG_D") \n\t"
2038  "punpckldq %%mm2, %%mm6 \n\t" //2
2039 
2040  "movq %%mm5, "DCTSIZE_S"*1*2(%%"REG_D") \n\t"
2041  "punpckhdq %%mm2, %%mm7 \n\t" //3
2042 
2043  "movq %%mm6, "DCTSIZE_S"*2*2(%%"REG_D") \n\t"
2044  "paddw %%mm1, %%mm4 \n\t"
2045 
2046  "movq %%mm7, "DCTSIZE_S"*3*2(%%"REG_D") \n\t"
2047  "psllw $2, %%mm3 \n\t" //t10
2048 
2049  "movq 0*8+%3, %%mm2 \n\t"
2050  "psllw $2, %%mm4 \n\t" //t11
2051 
2052  "pmulhw "MANGLE(ff_MM_FIX_0_707106781)", %%mm4 \n\t" //z3
2053  "paddw %%mm2, %%mm1 \n\t"
2054 
2055  "psllw $2, %%mm1 \n\t" //t12
2056  "movq %%mm3, %%mm0 \n\t"
2057 
2058  "pmulhw "MANGLE(ff_MM_FIX_0_541196100)", %%mm0 \n\t"
2059  "psubw %%mm1, %%mm3 \n\t"
2060 
2061  "pmulhw "MANGLE(MM_FIX_0_382683433)", %%mm3 \n\t" //z5
2062  "movq %%mm2, %%mm5 \n\t"
2063 
2064  "pmulhw "MANGLE(MM_FIX_1_306562965)", %%mm1 \n\t"
2065  "psubw %%mm4, %%mm2 \n\t" //z13
2066 
2067  "paddw %%mm4, %%mm5 \n\t" //z11
2068  "movq %%mm2, %%mm6 \n\t"
2069 
2070  "paddw %%mm3, %%mm0 \n\t" //z2
2071  "movq %%mm5, %%mm7 \n\t"
2072 
2073  "paddw %%mm0, %%mm2 \n\t" //d4
2074  "psubw %%mm0, %%mm6 \n\t" //d5
2075 
2076  "movq %%mm2, %%mm4 \n\t"
2077  "paddw %%mm3, %%mm1 \n\t" //z4
2078 
2079  //transpose 4x4
2080  "punpcklwd %%mm6, %%mm2 \n\t"
2081  "paddw %%mm1, %%mm5 \n\t" //d6
2082 
2083  "punpckhwd %%mm6, %%mm4 \n\t"
2084  "psubw %%mm1, %%mm7 \n\t" //d7
2085 
2086  "movq %%mm5, %%mm6 \n\t"
2087  "punpcklwd %%mm7, %%mm5 \n\t"
2088 
2089  "punpckhwd %%mm7, %%mm6 \n\t"
2090  "movq %%mm2, %%mm7 \n\t"
2091 
2092  "punpckldq %%mm5, %%mm2 \n\t" //4
2093  "sub %%"REG_d", %%"REG_S" \n\t"
2094 
2095  "punpckhdq %%mm5, %%mm7 \n\t" //5
2096  "movq %%mm4, %%mm5 \n\t"
2097 
2098  "movq %%mm2, "DCTSIZE_S"*0*2+"DCTSIZE_S"(%%"REG_D") \n\t"
2099  "punpckldq %%mm6, %%mm4 \n\t" //6
2100 
2101  "movq %%mm7, "DCTSIZE_S"*1*2+"DCTSIZE_S"(%%"REG_D") \n\t"
2102  "punpckhdq %%mm6, %%mm5 \n\t" //7
2103 
2104  "movq %%mm4, "DCTSIZE_S"*2*2+"DCTSIZE_S"(%%"REG_D") \n\t"
2105  "add $4, %%"REG_S" \n\t"
2106 
2107  "movq %%mm5, "DCTSIZE_S"*3*2+"DCTSIZE_S"(%%"REG_D") \n\t"
2108  "add $"DCTSIZE_S"*2*4, %%"REG_D" \n\t" //4 rows
2109  "dec %%"REG_c" \n\t"
2110  "jnz 6b \n\t"
2111 
2112  : "+S"(pixels), "+D"(data), "+c"(cnt), "=o"(temps)
2113  : "a"(line_size)
2114  : "%"REG_d);
2115 }
2116 
2117 #endif // HAVE_MMX
Generated on Sat May 25 2013 03:58:45 for FFmpeg by   doxygen 1.8.2