1/*
2 * Copyright (C) 2001-2002 Michael Niedermayer (michaelni@gmx.at)
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21/**
22 * @file libpostproc/postprocess_template.c
23 * mmx/mmx2/3dnow postprocess code.
24 */
25
26#include "libavutil/x86_cpu.h"
27
28#define ALIGN_MASK "$-8"
29
30#undef PAVGB
31#undef PMINUB
32#undef PMAXUB
33
34#if   HAVE_MMX2
35#define REAL_PAVGB(a,b) "pavgb " #a ", " #b " \n\t"
36#elif HAVE_AMD3DNOW
37#define REAL_PAVGB(a,b) "pavgusb " #a ", " #b " \n\t"
38#endif
39#define PAVGB(a,b)  REAL_PAVGB(a,b)
40
41#if   HAVE_MMX2
42#define PMINUB(a,b,t) "pminub " #a ", " #b " \n\t"
43#elif HAVE_MMX
44#define PMINUB(b,a,t) \
45    "movq " #a ", " #t " \n\t"\
46    "psubusb " #b ", " #t " \n\t"\
47    "psubb " #t ", " #a " \n\t"
48#endif
49
50#if   HAVE_MMX2
51#define PMAXUB(a,b) "pmaxub " #a ", " #b " \n\t"
52#elif HAVE_MMX
53#define PMAXUB(a,b) \
54    "psubusb " #a ", " #b " \n\t"\
55    "paddb " #a ", " #b " \n\t"
56#endif
57
58//FIXME? |255-0| = 1 (should not be a problem ...)
59#if HAVE_MMX
60/**
61 * Check if the middle 8x8 Block in the given 8x16 block is flat
62 */
63static inline int RENAME(vertClassify)(uint8_t src[], int stride, PPContext *c){
64    int numEq= 0, dcOk;
65    src+= stride*4; // src points to begin of the 8x8 Block
66    __asm__ volatile(
67        "movq %0, %%mm7                         \n\t"
68        "movq %1, %%mm6                         \n\t"
69        : : "m" (c->mmxDcOffset[c->nonBQP]),  "m" (c->mmxDcThreshold[c->nonBQP])
70        );
71
72    __asm__ volatile(
73        "lea (%2, %3), %%"REG_a"                \n\t"
74//      0       1       2       3       4       5       6       7       8       9
75//      %1      eax     eax+%2  eax+2%2 %1+4%2  ecx     ecx+%2  ecx+2%2 %1+8%2  ecx+4%2
76
77        "movq (%2), %%mm0                       \n\t"
78        "movq (%%"REG_a"), %%mm1                \n\t"
79        "movq %%mm0, %%mm3                      \n\t"
80        "movq %%mm0, %%mm4                      \n\t"
81        PMAXUB(%%mm1, %%mm4)
82        PMINUB(%%mm1, %%mm3, %%mm5)
83        "psubb %%mm1, %%mm0                     \n\t" // mm0 = differnece
84        "paddb %%mm7, %%mm0                     \n\t"
85        "pcmpgtb %%mm6, %%mm0                   \n\t"
86
87        "movq (%%"REG_a",%3), %%mm2             \n\t"
88        PMAXUB(%%mm2, %%mm4)
89        PMINUB(%%mm2, %%mm3, %%mm5)
90        "psubb %%mm2, %%mm1                     \n\t"
91        "paddb %%mm7, %%mm1                     \n\t"
92        "pcmpgtb %%mm6, %%mm1                   \n\t"
93        "paddb %%mm1, %%mm0                     \n\t"
94
95        "movq (%%"REG_a", %3, 2), %%mm1         \n\t"
96        PMAXUB(%%mm1, %%mm4)
97        PMINUB(%%mm1, %%mm3, %%mm5)
98        "psubb %%mm1, %%mm2                     \n\t"
99        "paddb %%mm7, %%mm2                     \n\t"
100        "pcmpgtb %%mm6, %%mm2                   \n\t"
101        "paddb %%mm2, %%mm0                     \n\t"
102
103        "lea (%%"REG_a", %3, 4), %%"REG_a"      \n\t"
104
105        "movq (%2, %3, 4), %%mm2                \n\t"
106        PMAXUB(%%mm2, %%mm4)
107        PMINUB(%%mm2, %%mm3, %%mm5)
108        "psubb %%mm2, %%mm1                     \n\t"
109        "paddb %%mm7, %%mm1                     \n\t"
110        "pcmpgtb %%mm6, %%mm1                   \n\t"
111        "paddb %%mm1, %%mm0                     \n\t"
112
113        "movq (%%"REG_a"), %%mm1                \n\t"
114        PMAXUB(%%mm1, %%mm4)
115        PMINUB(%%mm1, %%mm3, %%mm5)
116        "psubb %%mm1, %%mm2                     \n\t"
117        "paddb %%mm7, %%mm2                     \n\t"
118        "pcmpgtb %%mm6, %%mm2                   \n\t"
119        "paddb %%mm2, %%mm0                     \n\t"
120
121        "movq (%%"REG_a", %3), %%mm2            \n\t"
122        PMAXUB(%%mm2, %%mm4)
123        PMINUB(%%mm2, %%mm3, %%mm5)
124        "psubb %%mm2, %%mm1                     \n\t"
125        "paddb %%mm7, %%mm1                     \n\t"
126        "pcmpgtb %%mm6, %%mm1                   \n\t"
127        "paddb %%mm1, %%mm0                     \n\t"
128
129        "movq (%%"REG_a", %3, 2), %%mm1         \n\t"
130        PMAXUB(%%mm1, %%mm4)
131        PMINUB(%%mm1, %%mm3, %%mm5)
132        "psubb %%mm1, %%mm2                     \n\t"
133        "paddb %%mm7, %%mm2                     \n\t"
134        "pcmpgtb %%mm6, %%mm2                   \n\t"
135        "paddb %%mm2, %%mm0                     \n\t"
136        "psubusb %%mm3, %%mm4                   \n\t"
137
138        "                                       \n\t"
139#if HAVE_MMX2
140        "pxor %%mm7, %%mm7                      \n\t"
141        "psadbw %%mm7, %%mm0                    \n\t"
142#else
143        "movq %%mm0, %%mm1                      \n\t"
144        "psrlw $8, %%mm0                        \n\t"
145        "paddb %%mm1, %%mm0                     \n\t"
146        "movq %%mm0, %%mm1                      \n\t"
147        "psrlq $16, %%mm0                       \n\t"
148        "paddb %%mm1, %%mm0                     \n\t"
149        "movq %%mm0, %%mm1                      \n\t"
150        "psrlq $32, %%mm0                       \n\t"
151        "paddb %%mm1, %%mm0                     \n\t"
152#endif
153        "movq %4, %%mm7                         \n\t" // QP,..., QP
154        "paddusb %%mm7, %%mm7                   \n\t" // 2QP ... 2QP
155        "psubusb %%mm7, %%mm4                   \n\t" // Diff <= 2QP -> 0
156        "packssdw %%mm4, %%mm4                  \n\t"
157        "movd %%mm0, %0                         \n\t"
158        "movd %%mm4, %1                         \n\t"
159
160        : "=r" (numEq), "=r" (dcOk)
161        : "r" (src), "r" ((x86_reg)stride), "m" (c->pQPb)
162        : "%"REG_a
163        );
164
165    numEq= (-numEq) &0xFF;
166    if(numEq > c->ppMode.flatnessThreshold){
167        if(dcOk) return 0;
168        else     return 1;
169    }else{
170        return 2;
171    }
172}
173#endif //HAVE_MMX
174
175/**
176 * Do a vertical low pass filter on the 8x16 block (only write to the 8x8 block in the middle)
177 * using the 9-Tap Filter (1,1,2,2,4,2,2,1,1)/16
178 */
179#if !HAVE_ALTIVEC
180static inline void RENAME(doVertLowPass)(uint8_t *src, int stride, PPContext *c)
181{
182#if HAVE_MMX2 || HAVE_AMD3DNOW
183    src+= stride*3;
184    __asm__ volatile(        //"movv %0 %1 %2\n\t"
185        "movq %2, %%mm0                         \n\t"  // QP,..., QP
186        "pxor %%mm4, %%mm4                      \n\t"
187
188        "movq (%0), %%mm6                       \n\t"
189        "movq (%0, %1), %%mm5                   \n\t"
190        "movq %%mm5, %%mm1                      \n\t"
191        "movq %%mm6, %%mm2                      \n\t"
192        "psubusb %%mm6, %%mm5                   \n\t"
193        "psubusb %%mm1, %%mm2                   \n\t"
194        "por %%mm5, %%mm2                       \n\t" // ABS Diff of lines
195        "psubusb %%mm0, %%mm2                   \n\t" // diff <= QP -> 0
196        "pcmpeqb %%mm4, %%mm2                   \n\t" // diff <= QP -> FF
197
198        "pand %%mm2, %%mm6                      \n\t"
199        "pandn %%mm1, %%mm2                     \n\t"
200        "por %%mm2, %%mm6                       \n\t"// First Line to Filter
201
202        "movq (%0, %1, 8), %%mm5                \n\t"
203        "lea (%0, %1, 4), %%"REG_a"             \n\t"
204        "lea (%0, %1, 8), %%"REG_c"             \n\t"
205        "sub %1, %%"REG_c"                      \n\t"
206        "add %1, %0                             \n\t" // %0 points to line 1 not 0
207        "movq (%0, %1, 8), %%mm7                \n\t"
208        "movq %%mm5, %%mm1                      \n\t"
209        "movq %%mm7, %%mm2                      \n\t"
210        "psubusb %%mm7, %%mm5                   \n\t"
211        "psubusb %%mm1, %%mm2                   \n\t"
212        "por %%mm5, %%mm2                       \n\t" // ABS Diff of lines
213        "psubusb %%mm0, %%mm2                   \n\t" // diff <= QP -> 0
214        "pcmpeqb %%mm4, %%mm2                   \n\t" // diff <= QP -> FF
215
216        "pand %%mm2, %%mm7                      \n\t"
217        "pandn %%mm1, %%mm2                     \n\t"
218        "por %%mm2, %%mm7                       \n\t" // First Line to Filter
219
220
221        //      1       2       3       4       5       6       7       8
222        //      %0      %0+%1   %0+2%1  eax     %0+4%1  eax+2%1 ecx     eax+4%1
223        // 6 4 2 2 1 1
224        // 6 4 4 2
225        // 6 8 2
226
227        "movq (%0, %1), %%mm0                   \n\t" //  1
228        "movq %%mm0, %%mm1                      \n\t" //  1
229        PAVGB(%%mm6, %%mm0)                           //1 1        /2
230        PAVGB(%%mm6, %%mm0)                           //3 1        /4
231
232        "movq (%0, %1, 4), %%mm2                \n\t" //     1
233        "movq %%mm2, %%mm5                      \n\t" //     1
234        PAVGB((%%REGa), %%mm2)                        //    11        /2
235        PAVGB((%0, %1, 2), %%mm2)                     //   211        /4
236        "movq %%mm2, %%mm3                      \n\t" //   211        /4
237        "movq (%0), %%mm4                       \n\t" // 1
238        PAVGB(%%mm4, %%mm3)                           // 4 211        /8
239        PAVGB(%%mm0, %%mm3)                           //642211        /16
240        "movq %%mm3, (%0)                       \n\t" // X
241        // mm1=2 mm2=3(211) mm4=1 mm5=5 mm6=0 mm7=9
242        "movq %%mm1, %%mm0                      \n\t" //  1
243        PAVGB(%%mm6, %%mm0)                           //1 1        /2
244        "movq %%mm4, %%mm3                      \n\t" // 1
245        PAVGB((%0,%1,2), %%mm3)                       // 1 1        /2
246        PAVGB((%%REGa,%1,2), %%mm5)                   //     11        /2
247        PAVGB((%%REGa), %%mm5)                        //    211 /4
248        PAVGB(%%mm5, %%mm3)                           // 2 2211 /8
249        PAVGB(%%mm0, %%mm3)                           //4242211 /16
250        "movq %%mm3, (%0,%1)                    \n\t" //  X
251        // mm1=2 mm2=3(211) mm4=1 mm5=4(211) mm6=0 mm7=9
252        PAVGB(%%mm4, %%mm6)                                   //11        /2
253        "movq (%%"REG_c"), %%mm0                \n\t" //       1
254        PAVGB((%%REGa, %1, 2), %%mm0)                 //      11/2
255        "movq %%mm0, %%mm3                      \n\t" //      11/2
256        PAVGB(%%mm1, %%mm0)                           //  2   11/4
257        PAVGB(%%mm6, %%mm0)                           //222   11/8
258        PAVGB(%%mm2, %%mm0)                           //22242211/16
259        "movq (%0, %1, 2), %%mm2                \n\t" //   1
260        "movq %%mm0, (%0, %1, 2)                \n\t" //   X
261        // mm1=2 mm2=3 mm3=6(11) mm4=1 mm5=4(211) mm6=0(11) mm7=9
262        "movq (%%"REG_a", %1, 4), %%mm0         \n\t" //        1
263        PAVGB((%%REGc), %%mm0)                        //       11        /2
264        PAVGB(%%mm0, %%mm6)                           //11     11        /4
265        PAVGB(%%mm1, %%mm4)                           // 11                /2
266        PAVGB(%%mm2, %%mm1)                           //  11                /2
267        PAVGB(%%mm1, %%mm6)                           //1122   11        /8
268        PAVGB(%%mm5, %%mm6)                           //112242211        /16
269        "movq (%%"REG_a"), %%mm5                \n\t" //    1
270        "movq %%mm6, (%%"REG_a")                \n\t" //    X
271        // mm0=7(11) mm1=2(11) mm2=3 mm3=6(11) mm4=1(11) mm5=4 mm7=9
272        "movq (%%"REG_a", %1, 4), %%mm6         \n\t" //        1
273        PAVGB(%%mm7, %%mm6)                           //        11        /2
274        PAVGB(%%mm4, %%mm6)                           // 11     11        /4
275        PAVGB(%%mm3, %%mm6)                           // 11   2211        /8
276        PAVGB(%%mm5, %%mm2)                           //   11                /2
277        "movq (%0, %1, 4), %%mm4                \n\t" //     1
278        PAVGB(%%mm4, %%mm2)                           //   112                /4
279        PAVGB(%%mm2, %%mm6)                           // 112242211        /16
280        "movq %%mm6, (%0, %1, 4)                \n\t" //     X
281        // mm0=7(11) mm1=2(11) mm2=3(112) mm3=6(11) mm4=5 mm5=4 mm7=9
282        PAVGB(%%mm7, %%mm1)                           //  11     2        /4
283        PAVGB(%%mm4, %%mm5)                           //    11                /2
284        PAVGB(%%mm5, %%mm0)                           //    11 11        /4
285        "movq (%%"REG_a", %1, 2), %%mm6         \n\t" //      1
286        PAVGB(%%mm6, %%mm1)                           //  11  4  2        /8
287        PAVGB(%%mm0, %%mm1)                           //  11224222        /16
288        "movq %%mm1, (%%"REG_a", %1, 2)         \n\t" //      X
289        // mm2=3(112) mm3=6(11) mm4=5 mm5=4(11) mm6=6 mm7=9
290        PAVGB((%%REGc), %%mm2)                        //   112 4        /8
291        "movq (%%"REG_a", %1, 4), %%mm0         \n\t" //        1
292        PAVGB(%%mm0, %%mm6)                           //      1 1        /2
293        PAVGB(%%mm7, %%mm6)                           //      1 12        /4
294        PAVGB(%%mm2, %%mm6)                           //   1122424        /4
295        "movq %%mm6, (%%"REG_c")                \n\t" //       X
296        // mm0=8 mm3=6(11) mm4=5 mm5=4(11) mm7=9
297        PAVGB(%%mm7, %%mm5)                           //    11   2        /4
298        PAVGB(%%mm7, %%mm5)                           //    11   6        /8
299
300        PAVGB(%%mm3, %%mm0)                           //      112        /4
301        PAVGB(%%mm0, %%mm5)                           //    112246        /16
302        "movq %%mm5, (%%"REG_a", %1, 4)         \n\t" //        X
303        "sub %1, %0                             \n\t"
304
305        :
306        : "r" (src), "r" ((x86_reg)stride), "m" (c->pQPb)
307        : "%"REG_a, "%"REG_c
308    );
309#else //HAVE_MMX2 || HAVE_AMD3DNOW
310    const int l1= stride;
311    const int l2= stride + l1;
312    const int l3= stride + l2;
313    const int l4= stride + l3;
314    const int l5= stride + l4;
315    const int l6= stride + l5;
316    const int l7= stride + l6;
317    const int l8= stride + l7;
318    const int l9= stride + l8;
319    int x;
320    src+= stride*3;
321    for(x=0; x<BLOCK_SIZE; x++){
322        const int first= FFABS(src[0] - src[l1]) < c->QP ? src[0] : src[l1];
323        const int last= FFABS(src[l8] - src[l9]) < c->QP ? src[l9] : src[l8];
324
325        int sums[10];
326        sums[0] = 4*first + src[l1] + src[l2] + src[l3] + 4;
327        sums[1] = sums[0] - first  + src[l4];
328        sums[2] = sums[1] - first  + src[l5];
329        sums[3] = sums[2] - first  + src[l6];
330        sums[4] = sums[3] - first  + src[l7];
331        sums[5] = sums[4] - src[l1] + src[l8];
332        sums[6] = sums[5] - src[l2] + last;
333        sums[7] = sums[6] - src[l3] + last;
334        sums[8] = sums[7] - src[l4] + last;
335        sums[9] = sums[8] - src[l5] + last;
336
337        src[l1]= (sums[0] + sums[2] + 2*src[l1])>>4;
338        src[l2]= (sums[1] + sums[3] + 2*src[l2])>>4;
339        src[l3]= (sums[2] + sums[4] + 2*src[l3])>>4;
340        src[l4]= (sums[3] + sums[5] + 2*src[l4])>>4;
341        src[l5]= (sums[4] + sums[6] + 2*src[l5])>>4;
342        src[l6]= (sums[5] + sums[7] + 2*src[l6])>>4;
343        src[l7]= (sums[6] + sums[8] + 2*src[l7])>>4;
344        src[l8]= (sums[7] + sums[9] + 2*src[l8])>>4;
345
346        src++;
347    }
348#endif //HAVE_MMX2 || HAVE_AMD3DNOW
349}
350#endif //HAVE_ALTIVEC
351
352#if 0
353/**
354 * Experimental implementation of the filter (Algorithm 1) described in a paper from Ramkishor & Karandikar
355 * values are correctly clipped (MMX2)
356 * values are wraparound (C)
357 * Conclusion: It is fast, but introduces ugly horizontal patterns
358 * if there is a continuous gradient.
359        0 8 16 24
360        x = 8
361        x/2 = 4
362        x/8 = 1
363        1 12 12 23
364 */
365static inline void RENAME(vertRK1Filter)(uint8_t *src, int stride, int QP)
366{
367#if HAVE_MMX2 || HAVE_AMD3DNOW
368    src+= stride*3;
369// FIXME rounding
370    __asm__ volatile(
371        "pxor %%mm7, %%mm7                      \n\t" // 0
372        "movq "MANGLE(b80)", %%mm6              \n\t" // MIN_SIGNED_BYTE
373        "leal (%0, %1), %%"REG_a"               \n\t"
374        "leal (%%"REG_a", %1, 4), %%"REG_c"     \n\t"
375//      0       1       2       3       4       5       6       7       8       9
376//      %0      eax     eax+%1  eax+2%1 %0+4%1  ecx     ecx+%1  ecx+2%1 %0+8%1  ecx+4%1
377        "movq "MANGLE(pQPb)", %%mm0             \n\t" // QP,..., QP
378        "movq %%mm0, %%mm1                      \n\t" // QP,..., QP
379        "paddusb "MANGLE(b02)", %%mm0           \n\t"
380        "psrlw $2, %%mm0                        \n\t"
381        "pand "MANGLE(b3F)", %%mm0              \n\t" // QP/4,..., QP/4
382        "paddusb %%mm1, %%mm0                   \n\t" // QP*1.25 ...
383        "movq (%0, %1, 4), %%mm2                \n\t" // line 4
384        "movq (%%"REG_c"), %%mm3                \n\t" // line 5
385        "movq %%mm2, %%mm4                      \n\t" // line 4
386        "pcmpeqb %%mm5, %%mm5                   \n\t" // -1
387        "pxor %%mm2, %%mm5                      \n\t" // -line 4 - 1
388        PAVGB(%%mm3, %%mm5)
389        "paddb %%mm6, %%mm5                     \n\t" // (l5-l4)/2
390        "psubusb %%mm3, %%mm4                   \n\t"
391        "psubusb %%mm2, %%mm3                   \n\t"
392        "por %%mm3, %%mm4                       \n\t" // |l4 - l5|
393        "psubusb %%mm0, %%mm4                   \n\t"
394        "pcmpeqb %%mm7, %%mm4                   \n\t"
395        "pand %%mm4, %%mm5                      \n\t" // d/2
396
397//        "paddb %%mm6, %%mm2                     \n\t" // line 4 + 0x80
398        "paddb %%mm5, %%mm2                     \n\t"
399//        "psubb %%mm6, %%mm2                     \n\t"
400        "movq %%mm2, (%0,%1, 4)                 \n\t"
401
402        "movq (%%"REG_c"), %%mm2                \n\t"
403//        "paddb %%mm6, %%mm2                     \n\t" // line 5 + 0x80
404        "psubb %%mm5, %%mm2                     \n\t"
405//        "psubb %%mm6, %%mm2                     \n\t"
406        "movq %%mm2, (%%"REG_c")                \n\t"
407
408        "paddb %%mm6, %%mm5                     \n\t"
409        "psrlw $2, %%mm5                        \n\t"
410        "pand "MANGLE(b3F)", %%mm5              \n\t"
411        "psubb "MANGLE(b20)", %%mm5             \n\t" // (l5-l4)/8
412
413        "movq (%%"REG_a", %1, 2), %%mm2         \n\t"
414        "paddb %%mm6, %%mm2                     \n\t" // line 3 + 0x80
415        "paddsb %%mm5, %%mm2                    \n\t"
416        "psubb %%mm6, %%mm2                     \n\t"
417        "movq %%mm2, (%%"REG_a", %1, 2)         \n\t"
418
419        "movq (%%"REG_c", %1), %%mm2            \n\t"
420        "paddb %%mm6, %%mm2                     \n\t" // line 6 + 0x80
421        "psubsb %%mm5, %%mm2                    \n\t"
422        "psubb %%mm6, %%mm2                     \n\t"
423        "movq %%mm2, (%%"REG_c", %1)            \n\t"
424
425        :
426        : "r" (src), "r" ((x86_reg)stride)
427        : "%"REG_a, "%"REG_c
428    );
429#else //HAVE_MMX2 || HAVE_AMD3DNOW
430    const int l1= stride;
431    const int l2= stride + l1;
432    const int l3= stride + l2;
433    const int l4= stride + l3;
434    const int l5= stride + l4;
435    const int l6= stride + l5;
436//    const int l7= stride + l6;
437//    const int l8= stride + l7;
438//    const int l9= stride + l8;
439    int x;
440    const int QP15= QP + (QP>>2);
441    src+= stride*3;
442    for(x=0; x<BLOCK_SIZE; x++){
443        const int v = (src[x+l5] - src[x+l4]);
444        if(FFABS(v) < QP15){
445            src[x+l3] +=v>>3;
446            src[x+l4] +=v>>1;
447            src[x+l5] -=v>>1;
448            src[x+l6] -=v>>3;
449        }
450    }
451
452#endif //HAVE_MMX2 || HAVE_AMD3DNOW
453}
454#endif //0
455
456/**
457 * Experimental Filter 1
458 * will not damage linear gradients
459 * Flat blocks should look like they were passed through the (1,1,2,2,4,2,2,1,1) 9-Tap filter
460 * can only smooth blocks at the expected locations (it cannot smooth them if they did move)
461 * MMX2 version does correct clipping C version does not
462 */
463static inline void RENAME(vertX1Filter)(uint8_t *src, int stride, PPContext *co)
464{
465#if HAVE_MMX2 || HAVE_AMD3DNOW
466    src+= stride*3;
467
468    __asm__ volatile(
469        "pxor %%mm7, %%mm7                      \n\t" // 0
470        "lea (%0, %1), %%"REG_a"                \n\t"
471        "lea (%%"REG_a", %1, 4), %%"REG_c"      \n\t"
472//      0       1       2       3       4       5       6       7       8       9
473//      %0      eax     eax+%1  eax+2%1 %0+4%1  ecx     ecx+%1  ecx+2%1 %0+8%1  ecx+4%1
474        "movq (%%"REG_a", %1, 2), %%mm0         \n\t" // line 3
475        "movq (%0, %1, 4), %%mm1                \n\t" // line 4
476        "movq %%mm1, %%mm2                      \n\t" // line 4
477        "psubusb %%mm0, %%mm1                   \n\t"
478        "psubusb %%mm2, %%mm0                   \n\t"
479        "por %%mm1, %%mm0                       \n\t" // |l2 - l3|
480        "movq (%%"REG_c"), %%mm3                \n\t" // line 5
481        "movq (%%"REG_c", %1), %%mm4            \n\t" // line 6
482        "movq %%mm3, %%mm5                      \n\t" // line 5
483        "psubusb %%mm4, %%mm3                   \n\t"
484        "psubusb %%mm5, %%mm4                   \n\t"
485        "por %%mm4, %%mm3                       \n\t" // |l5 - l6|
486        PAVGB(%%mm3, %%mm0)                           // (|l2 - l3| + |l5 - l6|)/2
487        "movq %%mm2, %%mm1                      \n\t" // line 4
488        "psubusb %%mm5, %%mm2                   \n\t"
489        "movq %%mm2, %%mm4                      \n\t"
490        "pcmpeqb %%mm7, %%mm2                   \n\t" // (l4 - l5) <= 0 ? -1 : 0
491        "psubusb %%mm1, %%mm5                   \n\t"
492        "por %%mm5, %%mm4                       \n\t" // |l4 - l5|
493        "psubusb %%mm0, %%mm4                   \n\t" //d = MAX(0, |l4-l5| - (|l2-l3| + |l5-l6|)/2)
494        "movq %%mm4, %%mm3                      \n\t" // d
495        "movq %2, %%mm0                         \n\t"
496        "paddusb %%mm0, %%mm0                   \n\t"
497        "psubusb %%mm0, %%mm4                   \n\t"
498        "pcmpeqb %%mm7, %%mm4                   \n\t" // d <= QP ? -1 : 0
499        "psubusb "MANGLE(b01)", %%mm3           \n\t"
500        "pand %%mm4, %%mm3                      \n\t" // d <= QP ? d : 0
501
502        PAVGB(%%mm7, %%mm3)                           // d/2
503        "movq %%mm3, %%mm1                      \n\t" // d/2
504        PAVGB(%%mm7, %%mm3)                           // d/4
505        PAVGB(%%mm1, %%mm3)                           // 3*d/8
506
507        "movq (%0, %1, 4), %%mm0                \n\t" // line 4
508        "pxor %%mm2, %%mm0                      \n\t" //(l4 - l5) <= 0 ? -l4-1 : l4
509        "psubusb %%mm3, %%mm0                   \n\t"
510        "pxor %%mm2, %%mm0                      \n\t"
511        "movq %%mm0, (%0, %1, 4)                \n\t" // line 4
512
513        "movq (%%"REG_c"), %%mm0                \n\t" // line 5
514        "pxor %%mm2, %%mm0                      \n\t" //(l4 - l5) <= 0 ? -l5-1 : l5
515        "paddusb %%mm3, %%mm0                   \n\t"
516        "pxor %%mm2, %%mm0                      \n\t"
517        "movq %%mm0, (%%"REG_c")                \n\t" // line 5
518
519        PAVGB(%%mm7, %%mm1)                           // d/4
520
521        "movq (%%"REG_a", %1, 2), %%mm0         \n\t" // line 3
522        "pxor %%mm2, %%mm0                      \n\t" //(l4 - l5) <= 0 ? -l4-1 : l4
523        "psubusb %%mm1, %%mm0                   \n\t"
524        "pxor %%mm2, %%mm0                      \n\t"
525        "movq %%mm0, (%%"REG_a", %1, 2)         \n\t" // line 3
526
527        "movq (%%"REG_c", %1), %%mm0            \n\t" // line 6
528        "pxor %%mm2, %%mm0                      \n\t" //(l4 - l5) <= 0 ? -l5-1 : l5
529        "paddusb %%mm1, %%mm0                   \n\t"
530        "pxor %%mm2, %%mm0                      \n\t"
531        "movq %%mm0, (%%"REG_c", %1)            \n\t" // line 6
532
533        PAVGB(%%mm7, %%mm1)                           // d/8
534
535        "movq (%%"REG_a", %1), %%mm0            \n\t" // line 2
536        "pxor %%mm2, %%mm0                      \n\t" //(l4 - l5) <= 0 ? -l2-1 : l2
537        "psubusb %%mm1, %%mm0                   \n\t"
538        "pxor %%mm2, %%mm0                      \n\t"
539        "movq %%mm0, (%%"REG_a", %1)            \n\t" // line 2
540
541        "movq (%%"REG_c", %1, 2), %%mm0         \n\t" // line 7
542        "pxor %%mm2, %%mm0                      \n\t" //(l4 - l5) <= 0 ? -l7-1 : l7
543        "paddusb %%mm1, %%mm0                   \n\t"
544        "pxor %%mm2, %%mm0                      \n\t"
545        "movq %%mm0, (%%"REG_c", %1, 2)         \n\t" // line 7
546
547        :
548        : "r" (src), "r" ((x86_reg)stride), "m" (co->pQPb)
549        : "%"REG_a, "%"REG_c
550    );
551#else //HAVE_MMX2 || HAVE_AMD3DNOW
552
553    const int l1= stride;
554    const int l2= stride + l1;
555    const int l3= stride + l2;
556    const int l4= stride + l3;
557    const int l5= stride + l4;
558    const int l6= stride + l5;
559    const int l7= stride + l6;
560//    const int l8= stride + l7;
561//    const int l9= stride + l8;
562    int x;
563
564    src+= stride*3;
565    for(x=0; x<BLOCK_SIZE; x++){
566        int a= src[l3] - src[l4];
567        int b= src[l4] - src[l5];
568        int c= src[l5] - src[l6];
569
570        int d= FFABS(b) - ((FFABS(a) + FFABS(c))>>1);
571        d= FFMAX(d, 0);
572
573        if(d < co->QP*2){
574            int v = d * FFSIGN(-b);
575
576            src[l2] +=v>>3;
577            src[l3] +=v>>2;
578            src[l4] +=(3*v)>>3;
579            src[l5] -=(3*v)>>3;
580            src[l6] -=v>>2;
581            src[l7] -=v>>3;
582        }
583        src++;
584    }
585#endif //HAVE_MMX2 || HAVE_AMD3DNOW
586}
587
588#if !HAVE_ALTIVEC
589static inline void RENAME(doVertDefFilter)(uint8_t src[], int stride, PPContext *c)
590{
591#if HAVE_MMX2 || HAVE_AMD3DNOW
592/*
593    uint8_t tmp[16];
594    const int l1= stride;
595    const int l2= stride + l1;
596    const int l3= stride + l2;
597    const int l4= (int)tmp - (int)src - stride*3;
598    const int l5= (int)tmp - (int)src - stride*3 + 8;
599    const int l6= stride*3 + l3;
600    const int l7= stride + l6;
601    const int l8= stride + l7;
602
603    memcpy(tmp, src+stride*7, 8);
604    memcpy(tmp+8, src+stride*8, 8);
605*/
606    src+= stride*4;
607    __asm__ volatile(
608
609#if 0 //slightly more accurate and slightly slower
610        "pxor %%mm7, %%mm7                      \n\t" // 0
611        "lea (%0, %1), %%"REG_a"                \n\t"
612        "lea (%%"REG_a", %1, 4), %%"REG_c"      \n\t"
613//      0       1       2       3       4       5       6       7
614//      %0      %0+%1   %0+2%1  eax+2%1 %0+4%1  eax+4%1 ecx+%1  ecx+2%1
615//      %0      eax     eax+%1  eax+2%1 %0+4%1  ecx     ecx+%1  ecx+2%1
616
617
618        "movq (%0, %1, 2), %%mm0                \n\t" // l2
619        "movq (%0), %%mm1                       \n\t" // l0
620        "movq %%mm0, %%mm2                      \n\t" // l2
621        PAVGB(%%mm7, %%mm0)                           // ~l2/2
622        PAVGB(%%mm1, %%mm0)                           // ~(l2 + 2l0)/4
623        PAVGB(%%mm2, %%mm0)                           // ~(5l2 + 2l0)/8
624
625        "movq (%%"REG_a"), %%mm1                \n\t" // l1
626        "movq (%%"REG_a", %1, 2), %%mm3         \n\t" // l3
627        "movq %%mm1, %%mm4                      \n\t" // l1
628        PAVGB(%%mm7, %%mm1)                           // ~l1/2
629        PAVGB(%%mm3, %%mm1)                           // ~(l1 + 2l3)/4
630        PAVGB(%%mm4, %%mm1)                           // ~(5l1 + 2l3)/8
631
632        "movq %%mm0, %%mm4                      \n\t" // ~(5l2 + 2l0)/8
633        "psubusb %%mm1, %%mm0                   \n\t"
634        "psubusb %%mm4, %%mm1                   \n\t"
635        "por %%mm0, %%mm1                       \n\t" // ~|2l0 - 5l1 + 5l2 - 2l3|/8
636// mm1= |lenergy|, mm2= l2, mm3= l3, mm7=0
637
638        "movq (%0, %1, 4), %%mm0                \n\t" // l4
639        "movq %%mm0, %%mm4                      \n\t" // l4
640        PAVGB(%%mm7, %%mm0)                           // ~l4/2
641        PAVGB(%%mm2, %%mm0)                           // ~(l4 + 2l2)/4
642        PAVGB(%%mm4, %%mm0)                           // ~(5l4 + 2l2)/8
643
644        "movq (%%"REG_c"), %%mm2                \n\t" // l5
645        "movq %%mm3, %%mm5                      \n\t" // l3
646        PAVGB(%%mm7, %%mm3)                           // ~l3/2
647        PAVGB(%%mm2, %%mm3)                           // ~(l3 + 2l5)/4
648        PAVGB(%%mm5, %%mm3)                           // ~(5l3 + 2l5)/8
649
650        "movq %%mm0, %%mm6                      \n\t" // ~(5l4 + 2l2)/8
651        "psubusb %%mm3, %%mm0                   \n\t"
652        "psubusb %%mm6, %%mm3                   \n\t"
653        "por %%mm0, %%mm3                       \n\t" // ~|2l2 - 5l3 + 5l4 - 2l5|/8
654        "pcmpeqb %%mm7, %%mm0                   \n\t" // SIGN(2l2 - 5l3 + 5l4 - 2l5)
655// mm0= SIGN(menergy), mm1= |lenergy|, mm2= l5, mm3= |menergy|, mm4=l4, mm5= l3, mm7=0
656
657        "movq (%%"REG_c", %1), %%mm6            \n\t" // l6
658        "movq %%mm6, %%mm5                      \n\t" // l6
659        PAVGB(%%mm7, %%mm6)                           // ~l6/2
660        PAVGB(%%mm4, %%mm6)                           // ~(l6 + 2l4)/4
661        PAVGB(%%mm5, %%mm6)                           // ~(5l6 + 2l4)/8
662
663        "movq (%%"REG_c", %1, 2), %%mm5         \n\t" // l7
664        "movq %%mm2, %%mm4                      \n\t" // l5
665        PAVGB(%%mm7, %%mm2)                           // ~l5/2
666        PAVGB(%%mm5, %%mm2)                           // ~(l5 + 2l7)/4
667        PAVGB(%%mm4, %%mm2)                           // ~(5l5 + 2l7)/8
668
669        "movq %%mm6, %%mm4                      \n\t" // ~(5l6 + 2l4)/8
670        "psubusb %%mm2, %%mm6                   \n\t"
671        "psubusb %%mm4, %%mm2                   \n\t"
672        "por %%mm6, %%mm2                       \n\t" // ~|2l4 - 5l5 + 5l6 - 2l7|/8
673// mm0= SIGN(menergy), mm1= |lenergy|/8, mm2= |renergy|/8, mm3= |menergy|/8, mm7=0
674
675
676        PMINUB(%%mm2, %%mm1, %%mm4)                   // MIN(|lenergy|,|renergy|)/8
677        "movq %2, %%mm4                         \n\t" // QP //FIXME QP+1 ?
678        "paddusb "MANGLE(b01)", %%mm4           \n\t"
679        "pcmpgtb %%mm3, %%mm4                   \n\t" // |menergy|/8 < QP
680        "psubusb %%mm1, %%mm3                   \n\t" // d=|menergy|/8-MIN(|lenergy|,|renergy|)/8
681        "pand %%mm4, %%mm3                      \n\t"
682
683        "movq %%mm3, %%mm1                      \n\t"
684//        "psubusb "MANGLE(b01)", %%mm3           \n\t"
685        PAVGB(%%mm7, %%mm3)
686        PAVGB(%%mm7, %%mm3)
687        "paddusb %%mm1, %%mm3                   \n\t"
688//        "paddusb "MANGLE(b01)", %%mm3           \n\t"
689
690        "movq (%%"REG_a", %1, 2), %%mm6         \n\t" //l3
691        "movq (%0, %1, 4), %%mm5                \n\t" //l4
692        "movq (%0, %1, 4), %%mm4                \n\t" //l4
693        "psubusb %%mm6, %%mm5                   \n\t"
694        "psubusb %%mm4, %%mm6                   \n\t"
695        "por %%mm6, %%mm5                       \n\t" // |l3-l4|
696        "pcmpeqb %%mm7, %%mm6                   \n\t" // SIGN(l3-l4)
697        "pxor %%mm6, %%mm0                      \n\t"
698        "pand %%mm0, %%mm3                      \n\t"
699        PMINUB(%%mm5, %%mm3, %%mm0)
700
701        "psubusb "MANGLE(b01)", %%mm3           \n\t"
702        PAVGB(%%mm7, %%mm3)
703
704        "movq (%%"REG_a", %1, 2), %%mm0         \n\t"
705        "movq (%0, %1, 4), %%mm2                \n\t"
706        "pxor %%mm6, %%mm0                      \n\t"
707        "pxor %%mm6, %%mm2                      \n\t"
708        "psubb %%mm3, %%mm0                     \n\t"
709        "paddb %%mm3, %%mm2                     \n\t"
710        "pxor %%mm6, %%mm0                      \n\t"
711        "pxor %%mm6, %%mm2                      \n\t"
712        "movq %%mm0, (%%"REG_a", %1, 2)         \n\t"
713        "movq %%mm2, (%0, %1, 4)                \n\t"
714#endif //0
715
716        "lea (%0, %1), %%"REG_a"                \n\t"
717        "pcmpeqb %%mm6, %%mm6                   \n\t" // -1
718//      0       1       2       3       4       5       6       7
719//      %0      %0+%1   %0+2%1  eax+2%1 %0+4%1  eax+4%1 ecx+%1  ecx+2%1
720//      %0      eax     eax+%1  eax+2%1 %0+4%1  ecx     ecx+%1  ecx+2%1
721
722
723        "movq (%%"REG_a", %1, 2), %%mm1         \n\t" // l3
724        "movq (%0, %1, 4), %%mm0                \n\t" // l4
725        "pxor %%mm6, %%mm1                      \n\t" // -l3-1
726        PAVGB(%%mm1, %%mm0)                           // -q+128 = (l4-l3+256)/2
727// mm1=-l3-1, mm0=128-q
728
729        "movq (%%"REG_a", %1, 4), %%mm2         \n\t" // l5
730        "movq (%%"REG_a", %1), %%mm3            \n\t" // l2
731        "pxor %%mm6, %%mm2                      \n\t" // -l5-1
732        "movq %%mm2, %%mm5                      \n\t" // -l5-1
733        "movq "MANGLE(b80)", %%mm4              \n\t" // 128
734        "lea (%%"REG_a", %1, 4), %%"REG_c"      \n\t"
735        PAVGB(%%mm3, %%mm2)                           // (l2-l5+256)/2
736        PAVGB(%%mm0, %%mm4)                           // ~(l4-l3)/4 + 128
737        PAVGB(%%mm2, %%mm4)                           // ~(l2-l5)/4 +(l4-l3)/8 + 128
738        PAVGB(%%mm0, %%mm4)                           // ~(l2-l5)/8 +5(l4-l3)/16 + 128
739// mm1=-l3-1, mm0=128-q, mm3=l2, mm4=menergy/16 + 128, mm5= -l5-1
740
741        "movq (%%"REG_a"), %%mm2                \n\t" // l1
742        "pxor %%mm6, %%mm2                      \n\t" // -l1-1
743        PAVGB(%%mm3, %%mm2)                           // (l2-l1+256)/2
744        PAVGB((%0), %%mm1)                            // (l0-l3+256)/2
745        "movq "MANGLE(b80)", %%mm3              \n\t" // 128
746        PAVGB(%%mm2, %%mm3)                           // ~(l2-l1)/4 + 128
747        PAVGB(%%mm1, %%mm3)                           // ~(l0-l3)/4 +(l2-l1)/8 + 128
748        PAVGB(%%mm2, %%mm3)                           // ~(l0-l3)/8 +5(l2-l1)/16 + 128
749// mm0=128-q, mm3=lenergy/16 + 128, mm4= menergy/16 + 128, mm5= -l5-1
750
751        PAVGB((%%REGc, %1), %%mm5)                    // (l6-l5+256)/2
752        "movq (%%"REG_c", %1, 2), %%mm1         \n\t" // l7
753        "pxor %%mm6, %%mm1                      \n\t" // -l7-1
754        PAVGB((%0, %1, 4), %%mm1)                     // (l4-l7+256)/2
755        "movq "MANGLE(b80)", %%mm2              \n\t" // 128
756        PAVGB(%%mm5, %%mm2)                           // ~(l6-l5)/4 + 128
757        PAVGB(%%mm1, %%mm2)                           // ~(l4-l7)/4 +(l6-l5)/8 + 128
758        PAVGB(%%mm5, %%mm2)                           // ~(l4-l7)/8 +5(l6-l5)/16 + 128
759// mm0=128-q, mm2=renergy/16 + 128, mm3=lenergy/16 + 128, mm4= menergy/16 + 128
760
761        "movq "MANGLE(b00)", %%mm1              \n\t" // 0
762        "movq "MANGLE(b00)", %%mm5              \n\t" // 0
763        "psubb %%mm2, %%mm1                     \n\t" // 128 - renergy/16
764        "psubb %%mm3, %%mm5                     \n\t" // 128 - lenergy/16
765        PMAXUB(%%mm1, %%mm2)                          // 128 + |renergy/16|
766        PMAXUB(%%mm5, %%mm3)                          // 128 + |lenergy/16|
767        PMINUB(%%mm2, %%mm3, %%mm1)                   // 128 + MIN(|lenergy|,|renergy|)/16
768
769// mm0=128-q, mm3=128 + MIN(|lenergy|,|renergy|)/16, mm4= menergy/16 + 128
770
771        "movq "MANGLE(b00)", %%mm7              \n\t" // 0
772        "movq %2, %%mm2                         \n\t" // QP
773        PAVGB(%%mm6, %%mm2)                           // 128 + QP/2
774        "psubb %%mm6, %%mm2                     \n\t"
775
776        "movq %%mm4, %%mm1                      \n\t"
777        "pcmpgtb %%mm7, %%mm1                   \n\t" // SIGN(menergy)
778        "pxor %%mm1, %%mm4                      \n\t"
779        "psubb %%mm1, %%mm4                     \n\t" // 128 + |menergy|/16
780        "pcmpgtb %%mm4, %%mm2                   \n\t" // |menergy|/16 < QP/2
781        "psubusb %%mm3, %%mm4                   \n\t" //d=|menergy|/16 - MIN(|lenergy|,|renergy|)/16
782// mm0=128-q, mm1= SIGN(menergy), mm2= |menergy|/16 < QP/2, mm4= d/16
783
784        "movq %%mm4, %%mm3                      \n\t" // d
785        "psubusb "MANGLE(b01)", %%mm4           \n\t"
786        PAVGB(%%mm7, %%mm4)                           // d/32
787        PAVGB(%%mm7, %%mm4)                           // (d + 32)/64
788        "paddb %%mm3, %%mm4                     \n\t" // 5d/64
789        "pand %%mm2, %%mm4                      \n\t"
790
791        "movq "MANGLE(b80)", %%mm5              \n\t" // 128
792        "psubb %%mm0, %%mm5                     \n\t" // q
793        "paddsb %%mm6, %%mm5                    \n\t" // fix bad rounding
794        "pcmpgtb %%mm5, %%mm7                   \n\t" // SIGN(q)
795        "pxor %%mm7, %%mm5                      \n\t"
796
797        PMINUB(%%mm5, %%mm4, %%mm3)                   // MIN(|q|, 5d/64)
798        "pxor %%mm1, %%mm7                      \n\t" // SIGN(d*q)
799
800        "pand %%mm7, %%mm4                      \n\t"
801        "movq (%%"REG_a", %1, 2), %%mm0         \n\t"
802        "movq (%0, %1, 4), %%mm2                \n\t"
803        "pxor %%mm1, %%mm0                      \n\t"
804        "pxor %%mm1, %%mm2                      \n\t"
805        "paddb %%mm4, %%mm0                     \n\t"
806        "psubb %%mm4, %%mm2                     \n\t"
807        "pxor %%mm1, %%mm0                      \n\t"
808        "pxor %%mm1, %%mm2                      \n\t"
809        "movq %%mm0, (%%"REG_a", %1, 2)         \n\t"
810        "movq %%mm2, (%0, %1, 4)                \n\t"
811
812        :
813        : "r" (src), "r" ((x86_reg)stride), "m" (c->pQPb)
814        : "%"REG_a, "%"REG_c
815    );
816
817/*
818    {
819    int x;
820    src-= stride;
821    for(x=0; x<BLOCK_SIZE; x++){
822        const int middleEnergy= 5*(src[l5] - src[l4]) + 2*(src[l3] - src[l6]);
823        if(FFABS(middleEnergy)< 8*QP){
824            const int q=(src[l4] - src[l5])/2;
825            const int leftEnergy=  5*(src[l3] - src[l2]) + 2*(src[l1] - src[l4]);
826            const int rightEnergy= 5*(src[l7] - src[l6]) + 2*(src[l5] - src[l8]);
827
828            int d= FFABS(middleEnergy) - FFMIN( FFABS(leftEnergy), FFABS(rightEnergy) );
829            d= FFMAX(d, 0);
830
831            d= (5*d + 32) >> 6;
832            d*= FFSIGN(-middleEnergy);
833
834            if(q>0){
835                d= d<0 ? 0 : d;
836                d= d>q ? q : d;
837            }else{
838                d= d>0 ? 0 : d;
839                d= d<q ? q : d;
840            }
841
842            src[l4]-= d;
843            src[l5]+= d;
844        }
845        src++;
846    }
847    src-=8;
848    for(x=0; x<8; x++){
849        int y;
850        for(y=4; y<6; y++){
851            int d= src[x+y*stride] - tmp[x+(y-4)*8];
852            int ad= FFABS(d);
853            static int max=0;
854            static int sum=0;
855            static int num=0;
856            static int bias=0;
857
858            if(max<ad) max=ad;
859            sum+= ad>3 ? 1 : 0;
860            if(ad>3){
861                src[0] = src[7] = src[stride*7] = src[(stride+1)*7]=255;
862            }
863            if(y==4) bias+=d;
864            num++;
865            if(num%1000000 == 0){
866                av_log(c, AV_LOG_INFO, " %d %d %d %d\n", num, sum, max, bias);
867            }
868        }
869    }
870}
871*/
872#elif HAVE_MMX
873    src+= stride*4;
874    __asm__ volatile(
875        "pxor %%mm7, %%mm7                      \n\t"
876        "lea -40(%%"REG_SP"), %%"REG_c"         \n\t" // make space for 4 8-byte vars
877        "and "ALIGN_MASK", %%"REG_c"            \n\t" // align
878//      0       1       2       3       4       5       6       7
879//      %0      %0+%1   %0+2%1  eax+2%1 %0+4%1  eax+4%1 edx+%1  edx+2%1
880//      %0      eax     eax+%1  eax+2%1 %0+4%1  edx     edx+%1  edx+2%1
881
882        "movq (%0), %%mm0                       \n\t"
883        "movq %%mm0, %%mm1                      \n\t"
884        "punpcklbw %%mm7, %%mm0                 \n\t" // low part of line 0
885        "punpckhbw %%mm7, %%mm1                 \n\t" // high part of line 0
886
887        "movq (%0, %1), %%mm2                   \n\t"
888        "lea (%0, %1, 2), %%"REG_a"             \n\t"
889        "movq %%mm2, %%mm3                      \n\t"
890        "punpcklbw %%mm7, %%mm2                 \n\t" // low part of line 1
891        "punpckhbw %%mm7, %%mm3                 \n\t" // high part of line 1
892
893        "movq (%%"REG_a"), %%mm4                \n\t"
894        "movq %%mm4, %%mm5                      \n\t"
895        "punpcklbw %%mm7, %%mm4                 \n\t" // low part of line 2
896        "punpckhbw %%mm7, %%mm5                 \n\t" // high part of line 2
897
898        "paddw %%mm0, %%mm0                     \n\t" // 2L0
899        "paddw %%mm1, %%mm1                     \n\t" // 2H0
900        "psubw %%mm4, %%mm2                     \n\t" // L1 - L2
901        "psubw %%mm5, %%mm3                     \n\t" // H1 - H2
902        "psubw %%mm2, %%mm0                     \n\t" // 2L0 - L1 + L2
903        "psubw %%mm3, %%mm1                     \n\t" // 2H0 - H1 + H2
904
905        "psllw $2, %%mm2                        \n\t" // 4L1 - 4L2
906        "psllw $2, %%mm3                        \n\t" // 4H1 - 4H2
907        "psubw %%mm2, %%mm0                     \n\t" // 2L0 - 5L1 + 5L2
908        "psubw %%mm3, %%mm1                     \n\t" // 2H0 - 5H1 + 5H2
909
910        "movq (%%"REG_a", %1), %%mm2            \n\t"
911        "movq %%mm2, %%mm3                      \n\t"
912        "punpcklbw %%mm7, %%mm2                 \n\t" // L3
913        "punpckhbw %%mm7, %%mm3                 \n\t" // H3
914
915        "psubw %%mm2, %%mm0                     \n\t" // 2L0 - 5L1 + 5L2 - L3
916        "psubw %%mm3, %%mm1                     \n\t" // 2H0 - 5H1 + 5H2 - H3
917        "psubw %%mm2, %%mm0                     \n\t" // 2L0 - 5L1 + 5L2 - 2L3
918        "psubw %%mm3, %%mm1                     \n\t" // 2H0 - 5H1 + 5H2 - 2H3
919        "movq %%mm0, (%%"REG_c")                \n\t" // 2L0 - 5L1 + 5L2 - 2L3
920        "movq %%mm1, 8(%%"REG_c")               \n\t" // 2H0 - 5H1 + 5H2 - 2H3
921
922        "movq (%%"REG_a", %1, 2), %%mm0         \n\t"
923        "movq %%mm0, %%mm1                      \n\t"
924        "punpcklbw %%mm7, %%mm0                 \n\t" // L4
925        "punpckhbw %%mm7, %%mm1                 \n\t" // H4
926
927        "psubw %%mm0, %%mm2                     \n\t" // L3 - L4
928        "psubw %%mm1, %%mm3                     \n\t" // H3 - H4
929        "movq %%mm2, 16(%%"REG_c")              \n\t" // L3 - L4
930        "movq %%mm3, 24(%%"REG_c")              \n\t" // H3 - H4
931        "paddw %%mm4, %%mm4                     \n\t" // 2L2
932        "paddw %%mm5, %%mm5                     \n\t" // 2H2
933        "psubw %%mm2, %%mm4                     \n\t" // 2L2 - L3 + L4
934        "psubw %%mm3, %%mm5                     \n\t" // 2H2 - H3 + H4
935
936        "lea (%%"REG_a", %1), %0                \n\t"
937        "psllw $2, %%mm2                        \n\t" // 4L3 - 4L4
938        "psllw $2, %%mm3                        \n\t" // 4H3 - 4H4
939        "psubw %%mm2, %%mm4                     \n\t" // 2L2 - 5L3 + 5L4
940        "psubw %%mm3, %%mm5                     \n\t" // 2H2 - 5H3 + 5H4
941//50 opcodes so far
942        "movq (%0, %1, 2), %%mm2                \n\t"
943        "movq %%mm2, %%mm3                      \n\t"
944        "punpcklbw %%mm7, %%mm2                 \n\t" // L5
945        "punpckhbw %%mm7, %%mm3                 \n\t" // H5
946        "psubw %%mm2, %%mm4                     \n\t" // 2L2 - 5L3 + 5L4 - L5
947        "psubw %%mm3, %%mm5                     \n\t" // 2H2 - 5H3 + 5H4 - H5
948        "psubw %%mm2, %%mm4                     \n\t" // 2L2 - 5L3 + 5L4 - 2L5
949        "psubw %%mm3, %%mm5                     \n\t" // 2H2 - 5H3 + 5H4 - 2H5
950
951        "movq (%%"REG_a", %1, 4), %%mm6         \n\t"
952        "punpcklbw %%mm7, %%mm6                 \n\t" // L6
953        "psubw %%mm6, %%mm2                     \n\t" // L5 - L6
954        "movq (%%"REG_a", %1, 4), %%mm6         \n\t"
955        "punpckhbw %%mm7, %%mm6                 \n\t" // H6
956        "psubw %%mm6, %%mm3                     \n\t" // H5 - H6
957
958        "paddw %%mm0, %%mm0                     \n\t" // 2L4
959        "paddw %%mm1, %%mm1                     \n\t" // 2H4
960        "psubw %%mm2, %%mm0                     \n\t" // 2L4 - L5 + L6
961        "psubw %%mm3, %%mm1                     \n\t" // 2H4 - H5 + H6
962
963        "psllw $2, %%mm2                        \n\t" // 4L5 - 4L6
964        "psllw $2, %%mm3                        \n\t" // 4H5 - 4H6
965        "psubw %%mm2, %%mm0                     \n\t" // 2L4 - 5L5 + 5L6
966        "psubw %%mm3, %%mm1                     \n\t" // 2H4 - 5H5 + 5H6
967
968        "movq (%0, %1, 4), %%mm2                \n\t"
969        "movq %%mm2, %%mm3                      \n\t"
970        "punpcklbw %%mm7, %%mm2                 \n\t" // L7
971        "punpckhbw %%mm7, %%mm3                 \n\t" // H7
972
973        "paddw %%mm2, %%mm2                     \n\t" // 2L7
974        "paddw %%mm3, %%mm3                     \n\t" // 2H7
975        "psubw %%mm2, %%mm0                     \n\t" // 2L4 - 5L5 + 5L6 - 2L7
976        "psubw %%mm3, %%mm1                     \n\t" // 2H4 - 5H5 + 5H6 - 2H7
977
978        "movq (%%"REG_c"), %%mm2                \n\t" // 2L0 - 5L1 + 5L2 - 2L3
979        "movq 8(%%"REG_c"), %%mm3               \n\t" // 2H0 - 5H1 + 5H2 - 2H3
980
981#if HAVE_MMX2
982        "movq %%mm7, %%mm6                      \n\t" // 0
983        "psubw %%mm0, %%mm6                     \n\t"
984        "pmaxsw %%mm6, %%mm0                    \n\t" // |2L4 - 5L5 + 5L6 - 2L7|
985        "movq %%mm7, %%mm6                      \n\t" // 0
986        "psubw %%mm1, %%mm6                     \n\t"
987        "pmaxsw %%mm6, %%mm1                    \n\t" // |2H4 - 5H5 + 5H6 - 2H7|
988        "movq %%mm7, %%mm6                      \n\t" // 0
989        "psubw %%mm2, %%mm6                     \n\t"
990        "pmaxsw %%mm6, %%mm2                    \n\t" // |2L0 - 5L1 + 5L2 - 2L3|
991        "movq %%mm7, %%mm6                      \n\t" // 0
992        "psubw %%mm3, %%mm6                     \n\t"
993        "pmaxsw %%mm6, %%mm3                    \n\t" // |2H0 - 5H1 + 5H2 - 2H3|
994#else
995        "movq %%mm7, %%mm6                      \n\t" // 0
996        "pcmpgtw %%mm0, %%mm6                   \n\t"
997        "pxor %%mm6, %%mm0                      \n\t"
998        "psubw %%mm6, %%mm0                     \n\t" // |2L4 - 5L5 + 5L6 - 2L7|
999        "movq %%mm7, %%mm6                      \n\t" // 0
1000        "pcmpgtw %%mm1, %%mm6                   \n\t"
1001        "pxor %%mm6, %%mm1                      \n\t"
1002        "psubw %%mm6, %%mm1                     \n\t" // |2H4 - 5H5 + 5H6 - 2H7|
1003        "movq %%mm7, %%mm6                      \n\t" // 0
1004        "pcmpgtw %%mm2, %%mm6                   \n\t"
1005        "pxor %%mm6, %%mm2                      \n\t"
1006        "psubw %%mm6, %%mm2                     \n\t" // |2L0 - 5L1 + 5L2 - 2L3|
1007        "movq %%mm7, %%mm6                      \n\t" // 0
1008        "pcmpgtw %%mm3, %%mm6                   \n\t"
1009        "pxor %%mm6, %%mm3                      \n\t"
1010        "psubw %%mm6, %%mm3                     \n\t" // |2H0 - 5H1 + 5H2 - 2H3|
1011#endif
1012
1013#if HAVE_MMX2
1014        "pminsw %%mm2, %%mm0                    \n\t"
1015        "pminsw %%mm3, %%mm1                    \n\t"
1016#else
1017        "movq %%mm0, %%mm6                      \n\t"
1018        "psubusw %%mm2, %%mm6                   \n\t"
1019        "psubw %%mm6, %%mm0                     \n\t"
1020        "movq %%mm1, %%mm6                      \n\t"
1021        "psubusw %%mm3, %%mm6                   \n\t"
1022        "psubw %%mm6, %%mm1                     \n\t"
1023#endif
1024
1025        "movd %2, %%mm2                         \n\t" // QP
1026        "punpcklbw %%mm7, %%mm2                 \n\t"
1027
1028        "movq %%mm7, %%mm6                      \n\t" // 0
1029        "pcmpgtw %%mm4, %%mm6                   \n\t" // sign(2L2 - 5L3 + 5L4 - 2L5)
1030        "pxor %%mm6, %%mm4                      \n\t"
1031        "psubw %%mm6, %%mm4                     \n\t" // |2L2 - 5L3 + 5L4 - 2L5|
1032        "pcmpgtw %%mm5, %%mm7                   \n\t" // sign(2H2 - 5H3 + 5H4 - 2H5)
1033        "pxor %%mm7, %%mm5                      \n\t"
1034        "psubw %%mm7, %%mm5                     \n\t" // |2H2 - 5H3 + 5H4 - 2H5|
1035// 100 opcodes
1036        "psllw $3, %%mm2                        \n\t" // 8QP
1037        "movq %%mm2, %%mm3                      \n\t" // 8QP
1038        "pcmpgtw %%mm4, %%mm2                   \n\t"
1039        "pcmpgtw %%mm5, %%mm3                   \n\t"
1040        "pand %%mm2, %%mm4                      \n\t"
1041        "pand %%mm3, %%mm5                      \n\t"
1042
1043
1044        "psubusw %%mm0, %%mm4                   \n\t" // hd
1045        "psubusw %%mm1, %%mm5                   \n\t" // ld
1046
1047
1048        "movq "MANGLE(w05)", %%mm2              \n\t" // 5
1049        "pmullw %%mm2, %%mm4                    \n\t"
1050        "pmullw %%mm2, %%mm5                    \n\t"
1051        "movq "MANGLE(w20)", %%mm2              \n\t" // 32
1052        "paddw %%mm2, %%mm4                     \n\t"
1053        "paddw %%mm2, %%mm5                     \n\t"
1054        "psrlw $6, %%mm4                        \n\t"
1055        "psrlw $6, %%mm5                        \n\t"
1056
1057        "movq 16(%%"REG_c"), %%mm0              \n\t" // L3 - L4
1058        "movq 24(%%"REG_c"), %%mm1              \n\t" // H3 - H4
1059
1060        "pxor %%mm2, %%mm2                      \n\t"
1061        "pxor %%mm3, %%mm3                      \n\t"
1062
1063        "pcmpgtw %%mm0, %%mm2                   \n\t" // sign (L3-L4)
1064        "pcmpgtw %%mm1, %%mm3                   \n\t" // sign (H3-H4)
1065        "pxor %%mm2, %%mm0                      \n\t"
1066        "pxor %%mm3, %%mm1                      \n\t"
1067        "psubw %%mm2, %%mm0                     \n\t" // |L3-L4|
1068        "psubw %%mm3, %%mm1                     \n\t" // |H3-H4|
1069        "psrlw $1, %%mm0                        \n\t" // |L3 - L4|/2
1070        "psrlw $1, %%mm1                        \n\t" // |H3 - H4|/2
1071
1072        "pxor %%mm6, %%mm2                      \n\t"
1073        "pxor %%mm7, %%mm3                      \n\t"
1074        "pand %%mm2, %%mm4                      \n\t"
1075        "pand %%mm3, %%mm5                      \n\t"
1076
1077#if HAVE_MMX2
1078        "pminsw %%mm0, %%mm4                    \n\t"
1079        "pminsw %%mm1, %%mm5                    \n\t"
1080#else
1081        "movq %%mm4, %%mm2                      \n\t"
1082        "psubusw %%mm0, %%mm2                   \n\t"
1083        "psubw %%mm2, %%mm4                     \n\t"
1084        "movq %%mm5, %%mm2                      \n\t"
1085        "psubusw %%mm1, %%mm2                   \n\t"
1086        "psubw %%mm2, %%mm5                     \n\t"
1087#endif
1088        "pxor %%mm6, %%mm4                      \n\t"
1089        "pxor %%mm7, %%mm5                      \n\t"
1090        "psubw %%mm6, %%mm4                     \n\t"
1091        "psubw %%mm7, %%mm5                     \n\t"
1092        "packsswb %%mm5, %%mm4                  \n\t"
1093        "movq (%0), %%mm0                       \n\t"
1094        "paddb   %%mm4, %%mm0                   \n\t"
1095        "movq %%mm0, (%0)                       \n\t"
1096        "movq (%0, %1), %%mm0                   \n\t"
1097        "psubb %%mm4, %%mm0                     \n\t"
1098        "movq %%mm0, (%0, %1)                   \n\t"
1099
1100        : "+r" (src)
1101        : "r" ((x86_reg)stride), "m" (c->pQPb)
1102        : "%"REG_a, "%"REG_c
1103    );
1104#else //HAVE_MMX2 || HAVE_AMD3DNOW
1105    const int l1= stride;
1106    const int l2= stride + l1;
1107    const int l3= stride + l2;
1108    const int l4= stride + l3;
1109    const int l5= stride + l4;
1110    const int l6= stride + l5;
1111    const int l7= stride + l6;
1112    const int l8= stride + l7;
1113//    const int l9= stride + l8;
1114    int x;
1115    src+= stride*3;
1116    for(x=0; x<BLOCK_SIZE; x++){
1117        const int middleEnergy= 5*(src[l5] - src[l4]) + 2*(src[l3] - src[l6]);
1118        if(FFABS(middleEnergy) < 8*c->QP){
1119            const int q=(src[l4] - src[l5])/2;
1120            const int leftEnergy=  5*(src[l3] - src[l2]) + 2*(src[l1] - src[l4]);
1121            const int rightEnergy= 5*(src[l7] - src[l6]) + 2*(src[l5] - src[l8]);
1122
1123            int d= FFABS(middleEnergy) - FFMIN( FFABS(leftEnergy), FFABS(rightEnergy) );
1124            d= FFMAX(d, 0);
1125
1126            d= (5*d + 32) >> 6;
1127            d*= FFSIGN(-middleEnergy);
1128
1129            if(q>0){
1130                d= d<0 ? 0 : d;
1131                d= d>q ? q : d;
1132            }else{
1133                d= d>0 ? 0 : d;
1134                d= d<q ? q : d;
1135            }
1136
1137            src[l4]-= d;
1138            src[l5]+= d;
1139        }
1140        src++;
1141    }
1142#endif //HAVE_MMX2 || HAVE_AMD3DNOW
1143}
1144#endif //HAVE_ALTIVEC
1145
1146#if !HAVE_ALTIVEC
1147static inline void RENAME(dering)(uint8_t src[], int stride, PPContext *c)
1148{
1149#if HAVE_MMX2 || HAVE_AMD3DNOW
1150    __asm__ volatile(
1151        "pxor %%mm6, %%mm6                      \n\t"
1152        "pcmpeqb %%mm7, %%mm7                   \n\t"
1153        "movq %2, %%mm0                         \n\t"
1154        "punpcklbw %%mm6, %%mm0                 \n\t"
1155        "psrlw $1, %%mm0                        \n\t"
1156        "psubw %%mm7, %%mm0                     \n\t"
1157        "packuswb %%mm0, %%mm0                  \n\t"
1158        "movq %%mm0, %3                         \n\t"
1159
1160        "lea (%0, %1), %%"REG_a"                \n\t"
1161        "lea (%%"REG_a", %1, 4), %%"REG_d"      \n\t"
1162
1163//        0        1        2        3        4        5        6        7        8        9
1164//        %0        eax        eax+%1        eax+2%1        %0+4%1        edx        edx+%1        edx+2%1        %0+8%1        edx+4%1
1165
1166#undef FIND_MIN_MAX
1167#if HAVE_MMX2
1168#define REAL_FIND_MIN_MAX(addr)\
1169        "movq " #addr ", %%mm0                  \n\t"\
1170        "pminub %%mm0, %%mm7                    \n\t"\
1171        "pmaxub %%mm0, %%mm6                    \n\t"
1172#else
1173#define REAL_FIND_MIN_MAX(addr)\
1174        "movq " #addr ", %%mm0                  \n\t"\
1175        "movq %%mm7, %%mm1                      \n\t"\
1176        "psubusb %%mm0, %%mm6                   \n\t"\
1177        "paddb %%mm0, %%mm6                     \n\t"\
1178        "psubusb %%mm0, %%mm1                   \n\t"\
1179        "psubb %%mm1, %%mm7                     \n\t"
1180#endif
1181#define FIND_MIN_MAX(addr)  REAL_FIND_MIN_MAX(addr)
1182
1183FIND_MIN_MAX((%%REGa))
1184FIND_MIN_MAX((%%REGa, %1))
1185FIND_MIN_MAX((%%REGa, %1, 2))
1186FIND_MIN_MAX((%0, %1, 4))
1187FIND_MIN_MAX((%%REGd))
1188FIND_MIN_MAX((%%REGd, %1))
1189FIND_MIN_MAX((%%REGd, %1, 2))
1190FIND_MIN_MAX((%0, %1, 8))
1191
1192        "movq %%mm7, %%mm4                      \n\t"
1193        "psrlq $8, %%mm7                        \n\t"
1194#if HAVE_MMX2
1195        "pminub %%mm4, %%mm7                    \n\t" // min of pixels
1196        "pshufw $0xF9, %%mm7, %%mm4             \n\t"
1197        "pminub %%mm4, %%mm7                    \n\t" // min of pixels
1198        "pshufw $0xFE, %%mm7, %%mm4             \n\t"
1199        "pminub %%mm4, %%mm7                    \n\t"
1200#else
1201        "movq %%mm7, %%mm1                      \n\t"
1202        "psubusb %%mm4, %%mm1                   \n\t"
1203        "psubb %%mm1, %%mm7                     \n\t"
1204        "movq %%mm7, %%mm4                      \n\t"
1205        "psrlq $16, %%mm7                       \n\t"
1206        "movq %%mm7, %%mm1                      \n\t"
1207        "psubusb %%mm4, %%mm1                   \n\t"
1208        "psubb %%mm1, %%mm7                     \n\t"
1209        "movq %%mm7, %%mm4                      \n\t"
1210        "psrlq $32, %%mm7                       \n\t"
1211        "movq %%mm7, %%mm1                      \n\t"
1212        "psubusb %%mm4, %%mm1                   \n\t"
1213        "psubb %%mm1, %%mm7                     \n\t"
1214#endif
1215
1216
1217        "movq %%mm6, %%mm4                      \n\t"
1218        "psrlq $8, %%mm6                        \n\t"
1219#if HAVE_MMX2
1220        "pmaxub %%mm4, %%mm6                    \n\t" // max of pixels
1221        "pshufw $0xF9, %%mm6, %%mm4             \n\t"
1222        "pmaxub %%mm4, %%mm6                    \n\t"
1223        "pshufw $0xFE, %%mm6, %%mm4             \n\t"
1224        "pmaxub %%mm4, %%mm6                    \n\t"
1225#else
1226        "psubusb %%mm4, %%mm6                   \n\t"
1227        "paddb %%mm4, %%mm6                     \n\t"
1228        "movq %%mm6, %%mm4                      \n\t"
1229        "psrlq $16, %%mm6                       \n\t"
1230        "psubusb %%mm4, %%mm6                   \n\t"
1231        "paddb %%mm4, %%mm6                     \n\t"
1232        "movq %%mm6, %%mm4                      \n\t"
1233        "psrlq $32, %%mm6                       \n\t"
1234        "psubusb %%mm4, %%mm6                   \n\t"
1235        "paddb %%mm4, %%mm6                     \n\t"
1236#endif
1237        "movq %%mm6, %%mm0                      \n\t" // max
1238        "psubb %%mm7, %%mm6                     \n\t" // max - min
1239        "movd %%mm6, %%ecx                      \n\t"
1240        "cmpb "MANGLE(deringThreshold)", %%cl   \n\t"
1241        " jb 1f                                 \n\t"
1242        "lea -24(%%"REG_SP"), %%"REG_c"         \n\t"
1243        "and "ALIGN_MASK", %%"REG_c"            \n\t"
1244        PAVGB(%%mm0, %%mm7)                           // a=(max + min)/2
1245        "punpcklbw %%mm7, %%mm7                 \n\t"
1246        "punpcklbw %%mm7, %%mm7                 \n\t"
1247        "punpcklbw %%mm7, %%mm7                 \n\t"
1248        "movq %%mm7, (%%"REG_c")                \n\t"
1249
1250        "movq (%0), %%mm0                       \n\t" // L10
1251        "movq %%mm0, %%mm1                      \n\t" // L10
1252        "movq %%mm0, %%mm2                      \n\t" // L10
1253        "psllq $8, %%mm1                        \n\t"
1254        "psrlq $8, %%mm2                        \n\t"
1255        "movd -4(%0), %%mm3                     \n\t"
1256        "movd 8(%0), %%mm4                      \n\t"
1257        "psrlq $24, %%mm3                       \n\t"
1258        "psllq $56, %%mm4                       \n\t"
1259        "por %%mm3, %%mm1                       \n\t" // L00
1260        "por %%mm4, %%mm2                       \n\t" // L20
1261        "movq %%mm1, %%mm3                      \n\t" // L00
1262        PAVGB(%%mm2, %%mm1)                           // (L20 + L00)/2
1263        PAVGB(%%mm0, %%mm1)                           // (L20 + L00 + 2L10)/4
1264        "psubusb %%mm7, %%mm0                   \n\t"
1265        "psubusb %%mm7, %%mm2                   \n\t"
1266        "psubusb %%mm7, %%mm3                   \n\t"
1267        "pcmpeqb "MANGLE(b00)", %%mm0           \n\t" // L10 > a ? 0 : -1
1268        "pcmpeqb "MANGLE(b00)", %%mm2           \n\t" // L20 > a ? 0 : -1
1269        "pcmpeqb "MANGLE(b00)", %%mm3           \n\t" // L00 > a ? 0 : -1
1270        "paddb %%mm2, %%mm0                     \n\t"
1271        "paddb %%mm3, %%mm0                     \n\t"
1272
1273        "movq (%%"REG_a"), %%mm2                \n\t" // L11
1274        "movq %%mm2, %%mm3                      \n\t" // L11
1275        "movq %%mm2, %%mm4                      \n\t" // L11
1276        "psllq $8, %%mm3                        \n\t"
1277        "psrlq $8, %%mm4                        \n\t"
1278        "movd -4(%%"REG_a"), %%mm5              \n\t"
1279        "movd 8(%%"REG_a"), %%mm6               \n\t"
1280        "psrlq $24, %%mm5                       \n\t"
1281        "psllq $56, %%mm6                       \n\t"
1282        "por %%mm5, %%mm3                       \n\t" // L01
1283        "por %%mm6, %%mm4                       \n\t" // L21
1284        "movq %%mm3, %%mm5                      \n\t" // L01
1285        PAVGB(%%mm4, %%mm3)                           // (L21 + L01)/2
1286        PAVGB(%%mm2, %%mm3)                           // (L21 + L01 + 2L11)/4
1287        "psubusb %%mm7, %%mm2                   \n\t"
1288        "psubusb %%mm7, %%mm4                   \n\t"
1289        "psubusb %%mm7, %%mm5                   \n\t"
1290        "pcmpeqb "MANGLE(b00)", %%mm2           \n\t" // L11 > a ? 0 : -1
1291        "pcmpeqb "MANGLE(b00)", %%mm4           \n\t" // L21 > a ? 0 : -1
1292        "pcmpeqb "MANGLE(b00)", %%mm5           \n\t" // L01 > a ? 0 : -1
1293        "paddb %%mm4, %%mm2                     \n\t"
1294        "paddb %%mm5, %%mm2                     \n\t"
1295// 0, 2, 3, 1
1296#define REAL_DERING_CORE(dst,src,ppsx,psx,sx,pplx,plx,lx,t0,t1) \
1297        "movq " #src ", " #sx "                 \n\t" /* src[0] */\
1298        "movq " #sx ", " #lx "                  \n\t" /* src[0] */\
1299        "movq " #sx ", " #t0 "                  \n\t" /* src[0] */\
1300        "psllq $8, " #lx "                      \n\t"\
1301        "psrlq $8, " #t0 "                      \n\t"\
1302        "movd -4" #src ", " #t1 "               \n\t"\
1303        "psrlq $24, " #t1 "                     \n\t"\
1304        "por " #t1 ", " #lx "                   \n\t" /* src[-1] */\
1305        "movd 8" #src ", " #t1 "                \n\t"\
1306        "psllq $56, " #t1 "                     \n\t"\
1307        "por " #t1 ", " #t0 "                   \n\t" /* src[+1] */\
1308        "movq " #lx ", " #t1 "                  \n\t" /* src[-1] */\
1309        PAVGB(t0, lx)                                 /* (src[-1] + src[+1])/2 */\
1310        PAVGB(sx, lx)                                 /* (src[-1] + 2src[0] + src[+1])/4 */\
1311        PAVGB(lx, pplx)                                     \
1312        "movq " #lx ", 8(%%"REG_c")             \n\t"\
1313        "movq (%%"REG_c"), " #lx "              \n\t"\
1314        "psubusb " #lx ", " #t1 "               \n\t"\
1315        "psubusb " #lx ", " #t0 "               \n\t"\
1316        "psubusb " #lx ", " #sx "               \n\t"\
1317        "movq "MANGLE(b00)", " #lx "            \n\t"\
1318        "pcmpeqb " #lx ", " #t1 "               \n\t" /* src[-1] > a ? 0 : -1*/\
1319        "pcmpeqb " #lx ", " #t0 "               \n\t" /* src[+1] > a ? 0 : -1*/\
1320        "pcmpeqb " #lx ", " #sx "               \n\t" /* src[0]  > a ? 0 : -1*/\
1321        "paddb " #t1 ", " #t0 "                 \n\t"\
1322        "paddb " #t0 ", " #sx "                 \n\t"\
1323\
1324        PAVGB(plx, pplx)                              /* filtered */\
1325        "movq " #dst ", " #t0 "                 \n\t" /* dst */\
1326        "movq " #t0 ", " #t1 "                  \n\t" /* dst */\
1327        "psubusb %3, " #t0 "                    \n\t"\
1328        "paddusb %3, " #t1 "                    \n\t"\
1329        PMAXUB(t0, pplx)\
1330        PMINUB(t1, pplx, t0)\
1331        "paddb " #sx ", " #ppsx "               \n\t"\
1332        "paddb " #psx ", " #ppsx "              \n\t"\
1333        "#paddb "MANGLE(b02)", " #ppsx "        \n\t"\
1334        "pand "MANGLE(b08)", " #ppsx "          \n\t"\
1335        "pcmpeqb " #lx ", " #ppsx "             \n\t"\
1336        "pand " #ppsx ", " #pplx "              \n\t"\
1337        "pandn " #dst ", " #ppsx "              \n\t"\
1338        "por " #pplx ", " #ppsx "               \n\t"\
1339        "movq " #ppsx ", " #dst "               \n\t"\
1340        "movq 8(%%"REG_c"), " #lx "             \n\t"
1341
1342#define DERING_CORE(dst,src,ppsx,psx,sx,pplx,plx,lx,t0,t1) \
1343   REAL_DERING_CORE(dst,src,ppsx,psx,sx,pplx,plx,lx,t0,t1)
1344/*
13450000000
13461111111
1347
13481111110
13491111101
13501111100
13511111011
13521111010
13531111001
1354
13551111000
13561110111
1357
1358*/
1359//DERING_CORE(dst          ,src            ,ppsx ,psx  ,sx   ,pplx ,plx  ,lx   ,t0   ,t1)
1360DERING_CORE((%%REGa)       ,(%%REGa, %1)   ,%%mm0,%%mm2,%%mm4,%%mm1,%%mm3,%%mm5,%%mm6,%%mm7)
1361DERING_CORE((%%REGa, %1)   ,(%%REGa, %1, 2),%%mm2,%%mm4,%%mm0,%%mm3,%%mm5,%%mm1,%%mm6,%%mm7)
1362DERING_CORE((%%REGa, %1, 2),(%0, %1, 4)    ,%%mm4,%%mm0,%%mm2,%%mm5,%%mm1,%%mm3,%%mm6,%%mm7)
1363DERING_CORE((%0, %1, 4)    ,(%%REGd)       ,%%mm0,%%mm2,%%mm4,%%mm1,%%mm3,%%mm5,%%mm6,%%mm7)
1364DERING_CORE((%%REGd)       ,(%%REGd, %1)   ,%%mm2,%%mm4,%%mm0,%%mm3,%%mm5,%%mm1,%%mm6,%%mm7)
1365DERING_CORE((%%REGd, %1)   ,(%%REGd, %1, 2),%%mm4,%%mm0,%%mm2,%%mm5,%%mm1,%%mm3,%%mm6,%%mm7)
1366DERING_CORE((%%REGd, %1, 2),(%0, %1, 8)    ,%%mm0,%%mm2,%%mm4,%%mm1,%%mm3,%%mm5,%%mm6,%%mm7)
1367DERING_CORE((%0, %1, 8)    ,(%%REGd, %1, 4),%%mm2,%%mm4,%%mm0,%%mm3,%%mm5,%%mm1,%%mm6,%%mm7)
1368
1369        "1:                        \n\t"
1370        : : "r" (src), "r" ((x86_reg)stride), "m" (c->pQPb), "m"(c->pQPb2)
1371        : "%"REG_a, "%"REG_d, "%"REG_c
1372    );
1373#else //HAVE_MMX2 || HAVE_AMD3DNOW
1374    int y;
1375    int min=255;
1376    int max=0;
1377    int avg;
1378    uint8_t *p;
1379    int s[10];
1380    const int QP2= c->QP/2 + 1;
1381
1382    for(y=1; y<9; y++){
1383        int x;
1384        p= src + stride*y;
1385        for(x=1; x<9; x++){
1386            p++;
1387            if(*p > max) max= *p;
1388            if(*p < min) min= *p;
1389        }
1390    }
1391    avg= (min + max + 1)>>1;
1392
1393    if(max - min <deringThreshold) return;
1394
1395    for(y=0; y<10; y++){
1396        int t = 0;
1397
1398        if(src[stride*y + 0] > avg) t+= 1;
1399        if(src[stride*y + 1] > avg) t+= 2;
1400        if(src[stride*y + 2] > avg) t+= 4;
1401        if(src[stride*y + 3] > avg) t+= 8;
1402        if(src[stride*y + 4] > avg) t+= 16;
1403        if(src[stride*y + 5] > avg) t+= 32;
1404        if(src[stride*y + 6] > avg) t+= 64;
1405        if(src[stride*y + 7] > avg) t+= 128;
1406        if(src[stride*y + 8] > avg) t+= 256;
1407        if(src[stride*y + 9] > avg) t+= 512;
1408
1409        t |= (~t)<<16;
1410        t &= (t<<1) & (t>>1);
1411        s[y] = t;
1412    }
1413
1414    for(y=1; y<9; y++){
1415        int t = s[y-1] & s[y] & s[y+1];
1416        t|= t>>16;
1417        s[y-1]= t;
1418    }
1419
1420    for(y=1; y<9; y++){
1421        int x;
1422        int t = s[y-1];
1423
1424        p= src + stride*y;
1425        for(x=1; x<9; x++){
1426            p++;
1427            if(t & (1<<x)){
1428                int f= (*(p-stride-1)) + 2*(*(p-stride)) + (*(p-stride+1))
1429                      +2*(*(p     -1)) + 4*(*p         ) + 2*(*(p     +1))
1430                      +(*(p+stride-1)) + 2*(*(p+stride)) + (*(p+stride+1));
1431                f= (f + 8)>>4;
1432
1433#ifdef DEBUG_DERING_THRESHOLD
1434                    __asm__ volatile("emms\n\t":);
1435                    {
1436                    static long long numPixels=0;
1437                    if(x!=1 && x!=8 && y!=1 && y!=8) numPixels++;
1438//                    if((max-min)<20 || (max-min)*QP<200)
1439//                    if((max-min)*QP < 500)
1440//                    if(max-min<QP/2)
1441                    if(max-min < 20){
1442                        static int numSkipped=0;
1443                        static int errorSum=0;
1444                        static int worstQP=0;
1445                        static int worstRange=0;
1446                        static int worstDiff=0;
1447                        int diff= (f - *p);
1448                        int absDiff= FFABS(diff);
1449                        int error= diff*diff;
1450
1451                        if(x==1 || x==8 || y==1 || y==8) continue;
1452
1453                        numSkipped++;
1454                        if(absDiff > worstDiff){
1455                            worstDiff= absDiff;
1456                            worstQP= QP;
1457                            worstRange= max-min;
1458                        }
1459                        errorSum+= error;
1460
1461                        if(1024LL*1024LL*1024LL % numSkipped == 0){
1462                            av_log(c, AV_LOG_INFO, "sum:%1.3f, skip:%d, wQP:%d, "
1463                                   "wRange:%d, wDiff:%d, relSkip:%1.3f\n",
1464                                   (float)errorSum/numSkipped, numSkipped, worstQP, worstRange,
1465                                   worstDiff, (float)numSkipped/numPixels);
1466                        }
1467                    }
1468                    }
1469#endif
1470                    if     (*p + QP2 < f) *p= *p + QP2;
1471                    else if(*p - QP2 > f) *p= *p - QP2;
1472                    else *p=f;
1473            }
1474        }
1475    }
1476#ifdef DEBUG_DERING_THRESHOLD
1477    if(max-min < 20){
1478        for(y=1; y<9; y++){
1479            int x;
1480            int t = 0;
1481            p= src + stride*y;
1482            for(x=1; x<9; x++){
1483                p++;
1484                *p = FFMIN(*p + 20, 255);
1485            }
1486        }
1487//        src[0] = src[7]=src[stride*7]=src[stride*7 + 7]=255;
1488    }
1489#endif
1490#endif //HAVE_MMX2 || HAVE_AMD3DNOW
1491}
1492#endif //HAVE_ALTIVEC
1493
1494/**
1495 * Deinterlaces the given block by linearly interpolating every second line.
1496 * will be called for every 8x8 block and can read & write from line 4-15
1497 * lines 0-3 have been passed through the deblock / dering filters already, but can be read, too.
1498 * lines 4-12 will be read into the deblocking filter and should be deinterlaced
1499 */
1500static inline void RENAME(deInterlaceInterpolateLinear)(uint8_t src[], int stride)
1501{
1502#if HAVE_MMX2 || HAVE_AMD3DNOW
1503    src+= 4*stride;
1504    __asm__ volatile(
1505        "lea (%0, %1), %%"REG_a"                \n\t"
1506        "lea (%%"REG_a", %1, 4), %%"REG_c"      \n\t"
1507//      0       1       2       3       4       5       6       7       8       9
1508//      %0      eax     eax+%1  eax+2%1 %0+4%1  ecx     ecx+%1  ecx+2%1 %0+8%1  ecx+4%1
1509
1510        "movq (%0), %%mm0                       \n\t"
1511        "movq (%%"REG_a", %1), %%mm1            \n\t"
1512        PAVGB(%%mm1, %%mm0)
1513        "movq %%mm0, (%%"REG_a")                \n\t"
1514        "movq (%0, %1, 4), %%mm0                \n\t"
1515        PAVGB(%%mm0, %%mm1)
1516        "movq %%mm1, (%%"REG_a", %1, 2)         \n\t"
1517        "movq (%%"REG_c", %1), %%mm1            \n\t"
1518        PAVGB(%%mm1, %%mm0)
1519        "movq %%mm0, (%%"REG_c")                \n\t"
1520        "movq (%0, %1, 8), %%mm0                \n\t"
1521        PAVGB(%%mm0, %%mm1)
1522        "movq %%mm1, (%%"REG_c", %1, 2)         \n\t"
1523
1524        : : "r" (src), "r" ((x86_reg)stride)
1525        : "%"REG_a, "%"REG_c
1526    );
1527#else
1528    int a, b, x;
1529    src+= 4*stride;
1530
1531    for(x=0; x<2; x++){
1532        a= *(uint32_t*)&src[stride*0];
1533        b= *(uint32_t*)&src[stride*2];
1534        *(uint32_t*)&src[stride*1]= (a|b) - (((a^b)&0xFEFEFEFEUL)>>1);
1535        a= *(uint32_t*)&src[stride*4];
1536        *(uint32_t*)&src[stride*3]= (a|b) - (((a^b)&0xFEFEFEFEUL)>>1);
1537        b= *(uint32_t*)&src[stride*6];
1538        *(uint32_t*)&src[stride*5]= (a|b) - (((a^b)&0xFEFEFEFEUL)>>1);
1539        a= *(uint32_t*)&src[stride*8];
1540        *(uint32_t*)&src[stride*7]= (a|b) - (((a^b)&0xFEFEFEFEUL)>>1);
1541        src += 4;
1542    }
1543#endif
1544}
1545
1546/**
1547 * Deinterlaces the given block by cubic interpolating every second line.
1548 * will be called for every 8x8 block and can read & write from line 4-15
1549 * lines 0-3 have been passed through the deblock / dering filters already, but can be read, too.
1550 * lines 4-12 will be read into the deblocking filter and should be deinterlaced
1551 * this filter will read lines 3-15 and write 7-13
1552 */
1553static inline void RENAME(deInterlaceInterpolateCubic)(uint8_t src[], int stride)
1554{
1555#if HAVE_MMX2 || HAVE_AMD3DNOW
1556    src+= stride*3;
1557    __asm__ volatile(
1558        "lea (%0, %1), %%"REG_a"                \n\t"
1559        "lea (%%"REG_a", %1, 4), %%"REG_d"      \n\t"
1560        "lea (%%"REG_d", %1, 4), %%"REG_c"      \n\t"
1561        "add %1, %%"REG_c"                      \n\t"
1562        "pxor %%mm7, %%mm7                      \n\t"
1563//      0       1       2       3       4       5       6       7       8       9       10
1564//      %0      eax     eax+%1  eax+2%1 %0+4%1  edx     edx+%1  edx+2%1 %0+8%1  edx+4%1 ecx
1565
1566#define REAL_DEINT_CUBIC(a,b,c,d,e)\
1567        "movq " #a ", %%mm0                     \n\t"\
1568        "movq " #b ", %%mm1                     \n\t"\
1569        "movq " #d ", %%mm2                     \n\t"\
1570        "movq " #e ", %%mm3                     \n\t"\
1571        PAVGB(%%mm2, %%mm1)                             /* (b+d) /2 */\
1572        PAVGB(%%mm3, %%mm0)                             /* a(a+e) /2 */\
1573        "movq %%mm0, %%mm2                      \n\t"\
1574        "punpcklbw %%mm7, %%mm0                 \n\t"\
1575        "punpckhbw %%mm7, %%mm2                 \n\t"\
1576        "movq %%mm1, %%mm3                      \n\t"\
1577        "punpcklbw %%mm7, %%mm1                 \n\t"\
1578        "punpckhbw %%mm7, %%mm3                 \n\t"\
1579        "psubw %%mm1, %%mm0                     \n\t"   /* L(a+e - (b+d))/2 */\
1580        "psubw %%mm3, %%mm2                     \n\t"   /* H(a+e - (b+d))/2 */\
1581        "psraw $3, %%mm0                        \n\t"   /* L(a+e - (b+d))/16 */\
1582        "psraw $3, %%mm2                        \n\t"   /* H(a+e - (b+d))/16 */\
1583        "psubw %%mm0, %%mm1                     \n\t"   /* L(9b + 9d - a - e)/16 */\
1584        "psubw %%mm2, %%mm3                     \n\t"   /* H(9b + 9d - a - e)/16 */\
1585        "packuswb %%mm3, %%mm1                  \n\t"\
1586        "movq %%mm1, " #c "                     \n\t"
1587#define DEINT_CUBIC(a,b,c,d,e)  REAL_DEINT_CUBIC(a,b,c,d,e)
1588
1589DEINT_CUBIC((%0)        , (%%REGa, %1), (%%REGa, %1, 2), (%0, %1, 4) , (%%REGd, %1))
1590DEINT_CUBIC((%%REGa, %1), (%0, %1, 4) , (%%REGd)       , (%%REGd, %1), (%0, %1, 8))
1591DEINT_CUBIC((%0, %1, 4) , (%%REGd, %1), (%%REGd, %1, 2), (%0, %1, 8) , (%%REGc))
1592DEINT_CUBIC((%%REGd, %1), (%0, %1, 8) , (%%REGd, %1, 4), (%%REGc)    , (%%REGc, %1, 2))
1593
1594        : : "r" (src), "r" ((x86_reg)stride)
1595        : "%"REG_a, "%"REG_d, "%"REG_c
1596    );
1597#else //HAVE_MMX2 || HAVE_AMD3DNOW
1598    int x;
1599    src+= stride*3;
1600    for(x=0; x<8; x++){
1601        src[stride*3] = CLIP((-src[0]        + 9*src[stride*2] + 9*src[stride*4] - src[stride*6])>>4);
1602        src[stride*5] = CLIP((-src[stride*2] + 9*src[stride*4] + 9*src[stride*6] - src[stride*8])>>4);
1603        src[stride*7] = CLIP((-src[stride*4] + 9*src[stride*6] + 9*src[stride*8] - src[stride*10])>>4);
1604        src[stride*9] = CLIP((-src[stride*6] + 9*src[stride*8] + 9*src[stride*10] - src[stride*12])>>4);
1605        src++;
1606    }
1607#endif //HAVE_MMX2 || HAVE_AMD3DNOW
1608}
1609
1610/**
1611 * Deinterlaces the given block by filtering every second line with a (-1 4 2 4 -1) filter.
1612 * will be called for every 8x8 block and can read & write from line 4-15
1613 * lines 0-3 have been passed through the deblock / dering filters already, but can be read, too.
1614 * lines 4-12 will be read into the deblocking filter and should be deinterlaced
1615 * this filter will read lines 4-13 and write 5-11
1616 */
1617static inline void RENAME(deInterlaceFF)(uint8_t src[], int stride, uint8_t *tmp)
1618{
1619#if HAVE_MMX2 || HAVE_AMD3DNOW
1620    src+= stride*4;
1621    __asm__ volatile(
1622        "lea (%0, %1), %%"REG_a"                \n\t"
1623        "lea (%%"REG_a", %1, 4), %%"REG_d"      \n\t"
1624        "pxor %%mm7, %%mm7                      \n\t"
1625        "movq (%2), %%mm0                       \n\t"
1626//      0       1       2       3       4       5       6       7       8       9       10
1627//      %0      eax     eax+%1  eax+2%1 %0+4%1  edx     edx+%1  edx+2%1 %0+8%1  edx+4%1 ecx
1628
1629#define REAL_DEINT_FF(a,b,c,d)\
1630        "movq " #a ", %%mm1                     \n\t"\
1631        "movq " #b ", %%mm2                     \n\t"\
1632        "movq " #c ", %%mm3                     \n\t"\
1633        "movq " #d ", %%mm4                     \n\t"\
1634        PAVGB(%%mm3, %%mm1)                          \
1635        PAVGB(%%mm4, %%mm0)                          \
1636        "movq %%mm0, %%mm3                      \n\t"\
1637        "punpcklbw %%mm7, %%mm0                 \n\t"\
1638        "punpckhbw %%mm7, %%mm3                 \n\t"\
1639        "movq %%mm1, %%mm4                      \n\t"\
1640        "punpcklbw %%mm7, %%mm1                 \n\t"\
1641        "punpckhbw %%mm7, %%mm4                 \n\t"\
1642        "psllw $2, %%mm1                        \n\t"\
1643        "psllw $2, %%mm4                        \n\t"\
1644        "psubw %%mm0, %%mm1                     \n\t"\
1645        "psubw %%mm3, %%mm4                     \n\t"\
1646        "movq %%mm2, %%mm5                      \n\t"\
1647        "movq %%mm2, %%mm0                      \n\t"\
1648        "punpcklbw %%mm7, %%mm2                 \n\t"\
1649        "punpckhbw %%mm7, %%mm5                 \n\t"\
1650        "paddw %%mm2, %%mm1                     \n\t"\
1651        "paddw %%mm5, %%mm4                     \n\t"\
1652        "psraw $2, %%mm1                        \n\t"\
1653        "psraw $2, %%mm4                        \n\t"\
1654        "packuswb %%mm4, %%mm1                  \n\t"\
1655        "movq %%mm1, " #b "                     \n\t"\
1656
1657#define DEINT_FF(a,b,c,d)  REAL_DEINT_FF(a,b,c,d)
1658
1659DEINT_FF((%0)        , (%%REGa)       , (%%REGa, %1), (%%REGa, %1, 2))
1660DEINT_FF((%%REGa, %1), (%%REGa, %1, 2), (%0, %1, 4) , (%%REGd)       )
1661DEINT_FF((%0, %1, 4) , (%%REGd)       , (%%REGd, %1), (%%REGd, %1, 2))
1662DEINT_FF((%%REGd, %1), (%%REGd, %1, 2), (%0, %1, 8) , (%%REGd, %1, 4))
1663
1664        "movq %%mm0, (%2)                       \n\t"
1665        : : "r" (src), "r" ((x86_reg)stride), "r"(tmp)
1666        : "%"REG_a, "%"REG_d
1667    );
1668#else //HAVE_MMX2 || HAVE_AMD3DNOW
1669    int x;
1670    src+= stride*4;
1671    for(x=0; x<8; x++){
1672        int t1= tmp[x];
1673        int t2= src[stride*1];
1674
1675        src[stride*1]= CLIP((-t1 + 4*src[stride*0] + 2*t2 + 4*src[stride*2] - src[stride*3] + 4)>>3);
1676        t1= src[stride*4];
1677        src[stride*3]= CLIP((-t2 + 4*src[stride*2] + 2*t1 + 4*src[stride*4] - src[stride*5] + 4)>>3);
1678        t2= src[stride*6];
1679        src[stride*5]= CLIP((-t1 + 4*src[stride*4] + 2*t2 + 4*src[stride*6] - src[stride*7] + 4)>>3);
1680        t1= src[stride*8];
1681        src[stride*7]= CLIP((-t2 + 4*src[stride*6] + 2*t1 + 4*src[stride*8] - src[stride*9] + 4)>>3);
1682        tmp[x]= t1;
1683
1684        src++;
1685    }
1686#endif //HAVE_MMX2 || HAVE_AMD3DNOW
1687}
1688
1689/**
1690 * Deinterlaces the given block by filtering every line with a (-1 2 6 2 -1) filter.
1691 * will be called for every 8x8 block and can read & write from line 4-15
1692 * lines 0-3 have been passed through the deblock / dering filters already, but can be read, too.
1693 * lines 4-12 will be read into the deblocking filter and should be deinterlaced
1694 * this filter will read lines 4-13 and write 4-11
1695 */
1696static inline void RENAME(deInterlaceL5)(uint8_t src[], int stride, uint8_t *tmp, uint8_t *tmp2)
1697{
1698#if HAVE_MMX2 || HAVE_AMD3DNOW
1699    src+= stride*4;
1700    __asm__ volatile(
1701        "lea (%0, %1), %%"REG_a"                \n\t"
1702        "lea (%%"REG_a", %1, 4), %%"REG_d"      \n\t"
1703        "pxor %%mm7, %%mm7                      \n\t"
1704        "movq (%2), %%mm0                       \n\t"
1705        "movq (%3), %%mm1                       \n\t"
1706//      0       1       2       3       4       5       6       7       8       9       10
1707//      %0      eax     eax+%1  eax+2%1 %0+4%1  edx     edx+%1  edx+2%1 %0+8%1  edx+4%1 ecx
1708
1709#define REAL_DEINT_L5(t1,t2,a,b,c)\
1710        "movq " #a ", %%mm2                     \n\t"\
1711        "movq " #b ", %%mm3                     \n\t"\
1712        "movq " #c ", %%mm4                     \n\t"\
1713        PAVGB(t2, %%mm3)                             \
1714        PAVGB(t1, %%mm4)                             \
1715        "movq %%mm2, %%mm5                      \n\t"\
1716        "movq %%mm2, " #t1 "                    \n\t"\
1717        "punpcklbw %%mm7, %%mm2                 \n\t"\
1718        "punpckhbw %%mm7, %%mm5                 \n\t"\
1719        "movq %%mm2, %%mm6                      \n\t"\
1720        "paddw %%mm2, %%mm2                     \n\t"\
1721        "paddw %%mm6, %%mm2                     \n\t"\
1722        "movq %%mm5, %%mm6                      \n\t"\
1723        "paddw %%mm5, %%mm5                     \n\t"\
1724        "paddw %%mm6, %%mm5                     \n\t"\
1725        "movq %%mm3, %%mm6                      \n\t"\
1726        "punpcklbw %%mm7, %%mm3                 \n\t"\
1727        "punpckhbw %%mm7, %%mm6                 \n\t"\
1728        "paddw %%mm3, %%mm3                     \n\t"\
1729        "paddw %%mm6, %%mm6                     \n\t"\
1730        "paddw %%mm3, %%mm2                     \n\t"\
1731        "paddw %%mm6, %%mm5                     \n\t"\
1732        "movq %%mm4, %%mm6                      \n\t"\
1733        "punpcklbw %%mm7, %%mm4                 \n\t"\
1734        "punpckhbw %%mm7, %%mm6                 \n\t"\
1735        "psubw %%mm4, %%mm2                     \n\t"\
1736        "psubw %%mm6, %%mm5                     \n\t"\
1737        "psraw $2, %%mm2                        \n\t"\
1738        "psraw $2, %%mm5                        \n\t"\
1739        "packuswb %%mm5, %%mm2                  \n\t"\
1740        "movq %%mm2, " #a "                     \n\t"\
1741
1742#define DEINT_L5(t1,t2,a,b,c)  REAL_DEINT_L5(t1,t2,a,b,c)
1743
1744DEINT_L5(%%mm0, %%mm1, (%0)           , (%%REGa)       , (%%REGa, %1)   )
1745DEINT_L5(%%mm1, %%mm0, (%%REGa)       , (%%REGa, %1)   , (%%REGa, %1, 2))
1746DEINT_L5(%%mm0, %%mm1, (%%REGa, %1)   , (%%REGa, %1, 2), (%0, %1, 4)   )
1747DEINT_L5(%%mm1, %%mm0, (%%REGa, %1, 2), (%0, %1, 4)    , (%%REGd)       )
1748DEINT_L5(%%mm0, %%mm1, (%0, %1, 4)    , (%%REGd)       , (%%REGd, %1)   )
1749DEINT_L5(%%mm1, %%mm0, (%%REGd)       , (%%REGd, %1)   , (%%REGd, %1, 2))
1750DEINT_L5(%%mm0, %%mm1, (%%REGd, %1)   , (%%REGd, %1, 2), (%0, %1, 8)   )
1751DEINT_L5(%%mm1, %%mm0, (%%REGd, %1, 2), (%0, %1, 8)    , (%%REGd, %1, 4))
1752
1753        "movq %%mm0, (%2)                       \n\t"
1754        "movq %%mm1, (%3)                       \n\t"
1755        : : "r" (src), "r" ((x86_reg)stride), "r"(tmp), "r"(tmp2)
1756        : "%"REG_a, "%"REG_d
1757    );
1758#else //HAVE_MMX2 || HAVE_AMD3DNOW
1759    int x;
1760    src+= stride*4;
1761    for(x=0; x<8; x++){
1762        int t1= tmp[x];
1763        int t2= tmp2[x];
1764        int t3= src[0];
1765
1766        src[stride*0]= CLIP((-(t1 + src[stride*2]) + 2*(t2 + src[stride*1]) + 6*t3 + 4)>>3);
1767        t1= src[stride*1];
1768        src[stride*1]= CLIP((-(t2 + src[stride*3]) + 2*(t3 + src[stride*2]) + 6*t1 + 4)>>3);
1769        t2= src[stride*2];
1770        src[stride*2]= CLIP((-(t3 + src[stride*4]) + 2*(t1 + src[stride*3]) + 6*t2 + 4)>>3);
1771        t3= src[stride*3];
1772        src[stride*3]= CLIP((-(t1 + src[stride*5]) + 2*(t2 + src[stride*4]) + 6*t3 + 4)>>3);
1773        t1= src[stride*4];
1774        src[stride*4]= CLIP((-(t2 + src[stride*6]) + 2*(t3 + src[stride*5]) + 6*t1 + 4)>>3);
1775        t2= src[stride*5];
1776        src[stride*5]= CLIP((-(t3 + src[stride*7]) + 2*(t1 + src[stride*6]) + 6*t2 + 4)>>3);
1777        t3= src[stride*6];
1778        src[stride*6]= CLIP((-(t1 + src[stride*8]) + 2*(t2 + src[stride*7]) + 6*t3 + 4)>>3);
1779        t1= src[stride*7];
1780        src[stride*7]= CLIP((-(t2 + src[stride*9]) + 2*(t3 + src[stride*8]) + 6*t1 + 4)>>3);
1781
1782        tmp[x]= t3;
1783        tmp2[x]= t1;
1784
1785        src++;
1786    }
1787#endif //HAVE_MMX2 || HAVE_AMD3DNOW
1788}
1789
1790/**
1791 * Deinterlaces the given block by filtering all lines with a (1 2 1) filter.
1792 * will be called for every 8x8 block and can read & write from line 4-15
1793 * lines 0-3 have been passed through the deblock / dering filters already, but can be read, too.
1794 * lines 4-12 will be read into the deblocking filter and should be deinterlaced
1795 * this filter will read lines 4-13 and write 4-11
1796 */
1797static inline void RENAME(deInterlaceBlendLinear)(uint8_t src[], int stride, uint8_t *tmp)
1798{
1799#if HAVE_MMX2 || HAVE_AMD3DNOW
1800    src+= 4*stride;
1801    __asm__ volatile(
1802        "lea (%0, %1), %%"REG_a"                \n\t"
1803        "lea (%%"REG_a", %1, 4), %%"REG_d"      \n\t"
1804//      0       1       2       3       4       5       6       7       8       9
1805//      %0      eax     eax+%1  eax+2%1 %0+4%1  edx     edx+%1  edx+2%1 %0+8%1  edx+4%1
1806
1807        "movq (%2), %%mm0                       \n\t" // L0
1808        "movq (%%"REG_a"), %%mm1                \n\t" // L2
1809        PAVGB(%%mm1, %%mm0)                           // L0+L2
1810        "movq (%0), %%mm2                       \n\t" // L1
1811        PAVGB(%%mm2, %%mm0)
1812        "movq %%mm0, (%0)                       \n\t"
1813        "movq (%%"REG_a", %1), %%mm0            \n\t" // L3
1814        PAVGB(%%mm0, %%mm2)                           // L1+L3
1815        PAVGB(%%mm1, %%mm2)                           // 2L2 + L1 + L3
1816        "movq %%mm2, (%%"REG_a")                \n\t"
1817        "movq (%%"REG_a", %1, 2), %%mm2         \n\t" // L4
1818        PAVGB(%%mm2, %%mm1)                           // L2+L4
1819        PAVGB(%%mm0, %%mm1)                           // 2L3 + L2 + L4
1820        "movq %%mm1, (%%"REG_a", %1)            \n\t"
1821        "movq (%0, %1, 4), %%mm1                \n\t" // L5
1822        PAVGB(%%mm1, %%mm0)                           // L3+L5
1823        PAVGB(%%mm2, %%mm0)                           // 2L4 + L3 + L5
1824        "movq %%mm0, (%%"REG_a", %1, 2)         \n\t"
1825        "movq (%%"REG_d"), %%mm0                \n\t" // L6
1826        PAVGB(%%mm0, %%mm2)                           // L4+L6
1827        PAVGB(%%mm1, %%mm2)                           // 2L5 + L4 + L6
1828        "movq %%mm2, (%0, %1, 4)                \n\t"
1829        "movq (%%"REG_d", %1), %%mm2            \n\t" // L7
1830        PAVGB(%%mm2, %%mm1)                           // L5+L7
1831        PAVGB(%%mm0, %%mm1)                           // 2L6 + L5 + L7
1832        "movq %%mm1, (%%"REG_d")                \n\t"
1833        "movq (%%"REG_d", %1, 2), %%mm1         \n\t" // L8
1834        PAVGB(%%mm1, %%mm0)                           // L6+L8
1835        PAVGB(%%mm2, %%mm0)                           // 2L7 + L6 + L8
1836        "movq %%mm0, (%%"REG_d", %1)            \n\t"
1837        "movq (%0, %1, 8), %%mm0                \n\t" // L9
1838        PAVGB(%%mm0, %%mm2)                           // L7+L9
1839        PAVGB(%%mm1, %%mm2)                           // 2L8 + L7 + L9
1840        "movq %%mm2, (%%"REG_d", %1, 2)         \n\t"
1841        "movq %%mm1, (%2)                       \n\t"
1842
1843        : : "r" (src), "r" ((x86_reg)stride), "r" (tmp)
1844        : "%"REG_a, "%"REG_d
1845    );
1846#else //HAVE_MMX2 || HAVE_AMD3DNOW
1847    int a, b, c, x;
1848    src+= 4*stride;
1849
1850    for(x=0; x<2; x++){
1851        a= *(uint32_t*)&tmp[stride*0];
1852        b= *(uint32_t*)&src[stride*0];
1853        c= *(uint32_t*)&src[stride*1];
1854        a= (a&c) + (((a^c)&0xFEFEFEFEUL)>>1);
1855        *(uint32_t*)&src[stride*0]= (a|b) - (((a^b)&0xFEFEFEFEUL)>>1);
1856
1857        a= *(uint32_t*)&src[stride*2];
1858        b= (a&b) + (((a^b)&0xFEFEFEFEUL)>>1);
1859        *(uint32_t*)&src[stride*1]= (c|b) - (((c^b)&0xFEFEFEFEUL)>>1);
1860
1861        b= *(uint32_t*)&src[stride*3];
1862        c= (b&c) + (((b^c)&0xFEFEFEFEUL)>>1);
1863        *(uint32_t*)&src[stride*2]= (c|a) - (((c^a)&0xFEFEFEFEUL)>>1);
1864
1865        c= *(uint32_t*)&src[stride*4];
1866        a= (a&c) + (((a^c)&0xFEFEFEFEUL)>>1);
1867        *(uint32_t*)&src[stride*3]= (a|b) - (((a^b)&0xFEFEFEFEUL)>>1);
1868
1869        a= *(uint32_t*)&src[stride*5];
1870        b= (a&b) + (((a^b)&0xFEFEFEFEUL)>>1);
1871        *(uint32_t*)&src[stride*4]= (c|b) - (((c^b)&0xFEFEFEFEUL)>>1);
1872
1873        b= *(uint32_t*)&src[stride*6];
1874        c= (b&c) + (((b^c)&0xFEFEFEFEUL)>>1);
1875        *(uint32_t*)&src[stride*5]= (c|a) - (((c^a)&0xFEFEFEFEUL)>>1);
1876
1877        c= *(uint32_t*)&src[stride*7];
1878        a= (a&c) + (((a^c)&0xFEFEFEFEUL)>>1);
1879        *(uint32_t*)&src[stride*6]= (a|b) - (((a^b)&0xFEFEFEFEUL)>>1);
1880
1881        a= *(uint32_t*)&src[stride*8];
1882        b= (a&b) + (((a^b)&0xFEFEFEFEUL)>>1);
1883        *(uint32_t*)&src[stride*7]= (c|b) - (((c^b)&0xFEFEFEFEUL)>>1);
1884
1885        *(uint32_t*)&tmp[stride*0]= c;
1886        src += 4;
1887        tmp += 4;
1888    }
1889#endif //HAVE_MMX2 || HAVE_AMD3DNOW
1890}
1891
1892/**
1893 * Deinterlaces the given block by applying a median filter to every second line.
1894 * will be called for every 8x8 block and can read & write from line 4-15,
1895 * lines 0-3 have been passed through the deblock / dering filters already, but can be read, too.
1896 * lines 4-12 will be read into the deblocking filter and should be deinterlaced
1897 */
1898static inline void RENAME(deInterlaceMedian)(uint8_t src[], int stride)
1899{
1900#if HAVE_MMX
1901    src+= 4*stride;
1902#if HAVE_MMX2
1903    __asm__ volatile(
1904        "lea (%0, %1), %%"REG_a"                \n\t"
1905        "lea (%%"REG_a", %1, 4), %%"REG_d"      \n\t"
1906//      0       1       2       3       4       5       6       7       8       9
1907//      %0      eax     eax+%1  eax+2%1 %0+4%1  edx     edx+%1  edx+2%1 %0+8%1  edx+4%1
1908
1909        "movq (%0), %%mm0                       \n\t" //
1910        "movq (%%"REG_a", %1), %%mm2            \n\t" //
1911        "movq (%%"REG_a"), %%mm1                \n\t" //
1912        "movq %%mm0, %%mm3                      \n\t"
1913        "pmaxub %%mm1, %%mm0                    \n\t" //
1914        "pminub %%mm3, %%mm1                    \n\t" //
1915        "pmaxub %%mm2, %%mm1                    \n\t" //
1916        "pminub %%mm1, %%mm0                    \n\t"
1917        "movq %%mm0, (%%"REG_a")                \n\t"
1918
1919        "movq (%0, %1, 4), %%mm0                \n\t" //
1920        "movq (%%"REG_a", %1, 2), %%mm1         \n\t" //
1921        "movq %%mm2, %%mm3                      \n\t"
1922        "pmaxub %%mm1, %%mm2                    \n\t" //
1923        "pminub %%mm3, %%mm1                    \n\t" //
1924        "pmaxub %%mm0, %%mm1                    \n\t" //
1925        "pminub %%mm1, %%mm2                    \n\t"
1926        "movq %%mm2, (%%"REG_a", %1, 2)         \n\t"
1927
1928        "movq (%%"REG_d"), %%mm2                \n\t" //
1929        "movq (%%"REG_d", %1), %%mm1            \n\t" //
1930        "movq %%mm2, %%mm3                      \n\t"
1931        "pmaxub %%mm0, %%mm2                    \n\t" //
1932        "pminub %%mm3, %%mm0                    \n\t" //
1933        "pmaxub %%mm1, %%mm0                    \n\t" //
1934        "pminub %%mm0, %%mm2                    \n\t"
1935        "movq %%mm2, (%%"REG_d")                \n\t"
1936
1937        "movq (%%"REG_d", %1, 2), %%mm2         \n\t" //
1938        "movq (%0, %1, 8), %%mm0                \n\t" //
1939        "movq %%mm2, %%mm3                      \n\t"
1940        "pmaxub %%mm0, %%mm2                    \n\t" //
1941        "pminub %%mm3, %%mm0                    \n\t" //
1942        "pmaxub %%mm1, %%mm0                    \n\t" //
1943        "pminub %%mm0, %%mm2                    \n\t"
1944        "movq %%mm2, (%%"REG_d", %1, 2)         \n\t"
1945
1946
1947        : : "r" (src), "r" ((x86_reg)stride)
1948        : "%"REG_a, "%"REG_d
1949    );
1950
1951#else // MMX without MMX2
1952    __asm__ volatile(
1953        "lea (%0, %1), %%"REG_a"                \n\t"
1954        "lea (%%"REG_a", %1, 4), %%"REG_d"      \n\t"
1955//      0       1       2       3       4       5       6       7       8       9
1956//      %0      eax     eax+%1  eax+2%1 %0+4%1  edx     edx+%1  edx+2%1 %0+8%1  edx+4%1
1957        "pxor %%mm7, %%mm7                      \n\t"
1958
1959#define REAL_MEDIAN(a,b,c)\
1960        "movq " #a ", %%mm0                     \n\t"\
1961        "movq " #b ", %%mm2                     \n\t"\
1962        "movq " #c ", %%mm1                     \n\t"\
1963        "movq %%mm0, %%mm3                      \n\t"\
1964        "movq %%mm1, %%mm4                      \n\t"\
1965        "movq %%mm2, %%mm5                      \n\t"\
1966        "psubusb %%mm1, %%mm3                   \n\t"\
1967        "psubusb %%mm2, %%mm4                   \n\t"\
1968        "psubusb %%mm0, %%mm5                   \n\t"\
1969        "pcmpeqb %%mm7, %%mm3                   \n\t"\
1970        "pcmpeqb %%mm7, %%mm4                   \n\t"\
1971        "pcmpeqb %%mm7, %%mm5                   \n\t"\
1972        "movq %%mm3, %%mm6                      \n\t"\
1973        "pxor %%mm4, %%mm3                      \n\t"\
1974        "pxor %%mm5, %%mm4                      \n\t"\
1975        "pxor %%mm6, %%mm5                      \n\t"\
1976        "por %%mm3, %%mm1                       \n\t"\
1977        "por %%mm4, %%mm2                       \n\t"\
1978        "por %%mm5, %%mm0                       \n\t"\
1979        "pand %%mm2, %%mm0                      \n\t"\
1980        "pand %%mm1, %%mm0                      \n\t"\
1981        "movq %%mm0, " #b "                     \n\t"
1982#define MEDIAN(a,b,c)  REAL_MEDIAN(a,b,c)
1983
1984MEDIAN((%0)        , (%%REGa)       , (%%REGa, %1))
1985MEDIAN((%%REGa, %1), (%%REGa, %1, 2), (%0, %1, 4))
1986MEDIAN((%0, %1, 4) , (%%REGd)       , (%%REGd, %1))
1987MEDIAN((%%REGd, %1), (%%REGd, %1, 2), (%0, %1, 8))
1988
1989        : : "r" (src), "r" ((x86_reg)stride)
1990        : "%"REG_a, "%"REG_d
1991    );
1992#endif //HAVE_MMX2
1993#else //HAVE_MMX
1994    int x, y;
1995    src+= 4*stride;
1996    // FIXME - there should be a way to do a few columns in parallel like w/mmx
1997    for(x=0; x<8; x++){
1998        uint8_t *colsrc = src;
1999        for (y=0; y<4; y++){
2000            int a, b, c, d, e, f;
2001            a = colsrc[0       ];
2002            b = colsrc[stride  ];
2003            c = colsrc[stride*2];
2004            d = (a-b)>>31;
2005            e = (b-c)>>31;
2006            f = (c-a)>>31;
2007            colsrc[stride  ] = (a|(d^f)) & (b|(d^e)) & (c|(e^f));
2008            colsrc += stride*2;
2009        }
2010        src++;
2011    }
2012#endif //HAVE_MMX
2013}
2014
2015#if HAVE_MMX
2016/**
2017 * transposes and shift the given 8x8 Block into dst1 and dst2
2018 */
2019static inline void RENAME(transpose1)(uint8_t *dst1, uint8_t *dst2, uint8_t *src, int srcStride)
2020{
2021    __asm__(
2022        "lea (%0, %1), %%"REG_a"                \n\t"
2023//      0       1       2       3       4       5       6       7       8       9
2024//      %0      eax     eax+%1  eax+2%1 %0+4%1  edx     edx+%1  edx+2%1 %0+8%1  edx+4%1
2025        "movq (%0), %%mm0                       \n\t" // 12345678
2026        "movq (%%"REG_a"), %%mm1                \n\t" // abcdefgh
2027        "movq %%mm0, %%mm2                      \n\t" // 12345678
2028        "punpcklbw %%mm1, %%mm0                 \n\t" // 1a2b3c4d
2029        "punpckhbw %%mm1, %%mm2                 \n\t" // 5e6f7g8h
2030
2031        "movq (%%"REG_a", %1), %%mm1            \n\t"
2032        "movq (%%"REG_a", %1, 2), %%mm3         \n\t"
2033        "movq %%mm1, %%mm4                      \n\t"
2034        "punpcklbw %%mm3, %%mm1                 \n\t"
2035        "punpckhbw %%mm3, %%mm4                 \n\t"
2036
2037        "movq %%mm0, %%mm3                      \n\t"
2038        "punpcklwd %%mm1, %%mm0                 \n\t"
2039        "punpckhwd %%mm1, %%mm3                 \n\t"
2040        "movq %%mm2, %%mm1                      \n\t"
2041        "punpcklwd %%mm4, %%mm2                 \n\t"
2042        "punpckhwd %%mm4, %%mm1                 \n\t"
2043
2044        "movd %%mm0, 128(%2)                    \n\t"
2045        "psrlq $32, %%mm0                       \n\t"
2046        "movd %%mm0, 144(%2)                    \n\t"
2047        "movd %%mm3, 160(%2)                    \n\t"
2048        "psrlq $32, %%mm3                       \n\t"
2049        "movd %%mm3, 176(%2)                    \n\t"
2050        "movd %%mm3, 48(%3)                     \n\t"
2051        "movd %%mm2, 192(%2)                    \n\t"
2052        "movd %%mm2, 64(%3)                     \n\t"
2053        "psrlq $32, %%mm2                       \n\t"
2054        "movd %%mm2, 80(%3)                     \n\t"
2055        "movd %%mm1, 96(%3)                     \n\t"
2056        "psrlq $32, %%mm1                       \n\t"
2057        "movd %%mm1, 112(%3)                    \n\t"
2058
2059        "lea (%%"REG_a", %1, 4), %%"REG_a"      \n\t"
2060
2061        "movq (%0, %1, 4), %%mm0                \n\t" // 12345678
2062        "movq (%%"REG_a"), %%mm1                \n\t" // abcdefgh
2063        "movq %%mm0, %%mm2                      \n\t" // 12345678
2064        "punpcklbw %%mm1, %%mm0                 \n\t" // 1a2b3c4d
2065        "punpckhbw %%mm1, %%mm2                 \n\t" // 5e6f7g8h
2066
2067        "movq (%%"REG_a", %1), %%mm1            \n\t"
2068        "movq (%%"REG_a", %1, 2), %%mm3         \n\t"
2069        "movq %%mm1, %%mm4                      \n\t"
2070        "punpcklbw %%mm3, %%mm1                 \n\t"
2071        "punpckhbw %%mm3, %%mm4                 \n\t"
2072
2073        "movq %%mm0, %%mm3                      \n\t"
2074        "punpcklwd %%mm1, %%mm0                 \n\t"
2075        "punpckhwd %%mm1, %%mm3                 \n\t"
2076        "movq %%mm2, %%mm1                      \n\t"
2077        "punpcklwd %%mm4, %%mm2                 \n\t"
2078        "punpckhwd %%mm4, %%mm1                 \n\t"
2079
2080        "movd %%mm0, 132(%2)                    \n\t"
2081        "psrlq $32, %%mm0                       \n\t"
2082        "movd %%mm0, 148(%2)                    \n\t"
2083        "movd %%mm3, 164(%2)                    \n\t"
2084        "psrlq $32, %%mm3                       \n\t"
2085        "movd %%mm3, 180(%2)                    \n\t"
2086        "movd %%mm3, 52(%3)                     \n\t"
2087        "movd %%mm2, 196(%2)                    \n\t"
2088        "movd %%mm2, 68(%3)                     \n\t"
2089        "psrlq $32, %%mm2                       \n\t"
2090        "movd %%mm2, 84(%3)                     \n\t"
2091        "movd %%mm1, 100(%3)                    \n\t"
2092        "psrlq $32, %%mm1                       \n\t"
2093        "movd %%mm1, 116(%3)                    \n\t"
2094
2095
2096        :: "r" (src), "r" ((x86_reg)srcStride), "r" (dst1), "r" (dst2)
2097        : "%"REG_a
2098    );
2099}
2100
2101/**
2102 * transposes the given 8x8 block
2103 */
2104static inline void RENAME(transpose2)(uint8_t *dst, int dstStride, uint8_t *src)
2105{
2106    __asm__(
2107        "lea (%0, %1), %%"REG_a"                \n\t"
2108        "lea (%%"REG_a",%1,4), %%"REG_d"        \n\t"
2109//      0       1       2       3       4       5       6       7       8       9
2110//      %0      eax     eax+%1  eax+2%1 %0+4%1  edx     edx+%1  edx+2%1 %0+8%1  edx+4%1
2111        "movq (%2), %%mm0                       \n\t" // 12345678
2112        "movq 16(%2), %%mm1                     \n\t" // abcdefgh
2113        "movq %%mm0, %%mm2                      \n\t" // 12345678
2114        "punpcklbw %%mm1, %%mm0                 \n\t" // 1a2b3c4d
2115        "punpckhbw %%mm1, %%mm2                 \n\t" // 5e6f7g8h
2116
2117        "movq 32(%2), %%mm1                     \n\t"
2118        "movq 48(%2), %%mm3                     \n\t"
2119        "movq %%mm1, %%mm4                      \n\t"
2120        "punpcklbw %%mm3, %%mm1                 \n\t"
2121        "punpckhbw %%mm3, %%mm4                 \n\t"
2122
2123        "movq %%mm0, %%mm3                      \n\t"
2124        "punpcklwd %%mm1, %%mm0                 \n\t"
2125        "punpckhwd %%mm1, %%mm3                 \n\t"
2126        "movq %%mm2, %%mm1                      \n\t"
2127        "punpcklwd %%mm4, %%mm2                 \n\t"
2128        "punpckhwd %%mm4, %%mm1                 \n\t"
2129
2130        "movd %%mm0, (%0)                       \n\t"
2131        "psrlq $32, %%mm0                       \n\t"
2132        "movd %%mm0, (%%"REG_a")                \n\t"
2133        "movd %%mm3, (%%"REG_a", %1)            \n\t"
2134        "psrlq $32, %%mm3                       \n\t"
2135        "movd %%mm3, (%%"REG_a", %1, 2)         \n\t"
2136        "movd %%mm2, (%0, %1, 4)                \n\t"
2137        "psrlq $32, %%mm2                       \n\t"
2138        "movd %%mm2, (%%"REG_d")                \n\t"
2139        "movd %%mm1, (%%"REG_d", %1)            \n\t"
2140        "psrlq $32, %%mm1                       \n\t"
2141        "movd %%mm1, (%%"REG_d", %1, 2)         \n\t"
2142
2143
2144        "movq 64(%2), %%mm0                     \n\t" // 12345678
2145        "movq 80(%2), %%mm1                     \n\t" // abcdefgh
2146        "movq %%mm0, %%mm2                      \n\t" // 12345678
2147        "punpcklbw %%mm1, %%mm0                 \n\t" // 1a2b3c4d
2148        "punpckhbw %%mm1, %%mm2                 \n\t" // 5e6f7g8h
2149
2150        "movq 96(%2), %%mm1                     \n\t"
2151        "movq 112(%2), %%mm3                    \n\t"
2152        "movq %%mm1, %%mm4                      \n\t"
2153        "punpcklbw %%mm3, %%mm1                 \n\t"
2154        "punpckhbw %%mm3, %%mm4                 \n\t"
2155
2156        "movq %%mm0, %%mm3                      \n\t"
2157        "punpcklwd %%mm1, %%mm0                 \n\t"
2158        "punpckhwd %%mm1, %%mm3                 \n\t"
2159        "movq %%mm2, %%mm1                      \n\t"
2160        "punpcklwd %%mm4, %%mm2                 \n\t"
2161        "punpckhwd %%mm4, %%mm1                 \n\t"
2162
2163        "movd %%mm0, 4(%0)                      \n\t"
2164        "psrlq $32, %%mm0                       \n\t"
2165        "movd %%mm0, 4(%%"REG_a")               \n\t"
2166        "movd %%mm3, 4(%%"REG_a", %1)           \n\t"
2167        "psrlq $32, %%mm3                       \n\t"
2168        "movd %%mm3, 4(%%"REG_a", %1, 2)        \n\t"
2169        "movd %%mm2, 4(%0, %1, 4)               \n\t"
2170        "psrlq $32, %%mm2                       \n\t"
2171        "movd %%mm2, 4(%%"REG_d")               \n\t"
2172        "movd %%mm1, 4(%%"REG_d", %1)           \n\t"
2173        "psrlq $32, %%mm1                       \n\t"
2174        "movd %%mm1, 4(%%"REG_d", %1, 2)        \n\t"
2175
2176        :: "r" (dst), "r" ((x86_reg)dstStride), "r" (src)
2177        : "%"REG_a, "%"REG_d
2178    );
2179}
2180#endif //HAVE_MMX
2181//static long test=0;
2182
2183#if !HAVE_ALTIVEC
2184static inline void RENAME(tempNoiseReducer)(uint8_t *src, int stride,
2185                                    uint8_t *tempBlurred, uint32_t *tempBlurredPast, int *maxNoise)
2186{
2187    // to save a register (FIXME do this outside of the loops)
2188    tempBlurredPast[127]= maxNoise[0];
2189    tempBlurredPast[128]= maxNoise[1];
2190    tempBlurredPast[129]= maxNoise[2];
2191
2192#define FAST_L2_DIFF
2193//#define L1_DIFF //u should change the thresholds too if u try that one
2194#if HAVE_MMX2 || HAVE_AMD3DNOW
2195    __asm__ volatile(
2196        "lea (%2, %2, 2), %%"REG_a"             \n\t" // 3*stride
2197        "lea (%2, %2, 4), %%"REG_d"             \n\t" // 5*stride
2198        "lea (%%"REG_d", %2, 2), %%"REG_c"      \n\t" // 7*stride
2199//      0       1       2       3       4       5       6       7       8       9
2200//      %x      %x+%2   %x+2%2  %x+eax  %x+4%2  %x+edx  %x+2eax %x+ecx  %x+8%2
2201//FIXME reorder?
2202#ifdef L1_DIFF //needs mmx2
2203        "movq (%0), %%mm0                       \n\t" // L0
2204        "psadbw (%1), %%mm0                     \n\t" // |L0-R0|
2205        "movq (%0, %2), %%mm1                   \n\t" // L1
2206        "psadbw (%1, %2), %%mm1                 \n\t" // |L1-R1|
2207        "movq (%0, %2, 2), %%mm2                \n\t" // L2
2208        "psadbw (%1, %2, 2), %%mm2              \n\t" // |L2-R2|
2209        "movq (%0, %%"REG_a"), %%mm3            \n\t" // L3
2210        "psadbw (%1, %%"REG_a"), %%mm3          \n\t" // |L3-R3|
2211
2212        "movq (%0, %2, 4), %%mm4                \n\t" // L4
2213        "paddw %%mm1, %%mm0                     \n\t"
2214        "psadbw (%1, %2, 4), %%mm4              \n\t" // |L4-R4|
2215        "movq (%0, %%"REG_d"), %%mm5            \n\t" // L5
2216        "paddw %%mm2, %%mm0                     \n\t"
2217        "psadbw (%1, %%"REG_d"), %%mm5          \n\t" // |L5-R5|
2218        "movq (%0, %%"REG_a", 2), %%mm6         \n\t" // L6
2219        "paddw %%mm3, %%mm0                     \n\t"
2220        "psadbw (%1, %%"REG_a", 2), %%mm6       \n\t" // |L6-R6|
2221        "movq (%0, %%"REG_c"), %%mm7            \n\t" // L7
2222        "paddw %%mm4, %%mm0                     \n\t"
2223        "psadbw (%1, %%"REG_c"), %%mm7          \n\t" // |L7-R7|
2224        "paddw %%mm5, %%mm6                     \n\t"
2225        "paddw %%mm7, %%mm6                     \n\t"
2226        "paddw %%mm6, %%mm0                     \n\t"
2227#else //L1_DIFF
2228#if defined (FAST_L2_DIFF)
2229        "pcmpeqb %%mm7, %%mm7                   \n\t"
2230        "movq "MANGLE(b80)", %%mm6              \n\t"
2231        "pxor %%mm0, %%mm0                      \n\t"
2232#define REAL_L2_DIFF_CORE(a, b)\
2233        "movq " #a ", %%mm5                     \n\t"\
2234        "movq " #b ", %%mm2                     \n\t"\
2235        "pxor %%mm7, %%mm2                      \n\t"\
2236        PAVGB(%%mm2, %%mm5)\
2237        "paddb %%mm6, %%mm5                     \n\t"\
2238        "movq %%mm5, %%mm2                      \n\t"\
2239        "psllw $8, %%mm5                        \n\t"\
2240        "pmaddwd %%mm5, %%mm5                   \n\t"\
2241        "pmaddwd %%mm2, %%mm2                   \n\t"\
2242        "paddd %%mm2, %%mm5                     \n\t"\
2243        "psrld $14, %%mm5                       \n\t"\
2244        "paddd %%mm5, %%mm0                     \n\t"
2245
2246#else //defined (FAST_L2_DIFF)
2247        "pxor %%mm7, %%mm7                      \n\t"
2248        "pxor %%mm0, %%mm0                      \n\t"
2249#define REAL_L2_DIFF_CORE(a, b)\
2250        "movq " #a ", %%mm5                     \n\t"\
2251        "movq " #b ", %%mm2                     \n\t"\
2252        "movq %%mm5, %%mm1                      \n\t"\
2253        "movq %%mm2, %%mm3                      \n\t"\
2254        "punpcklbw %%mm7, %%mm5                 \n\t"\
2255        "punpckhbw %%mm7, %%mm1                 \n\t"\
2256        "punpcklbw %%mm7, %%mm2                 \n\t"\
2257        "punpckhbw %%mm7, %%mm3                 \n\t"\
2258        "psubw %%mm2, %%mm5                     \n\t"\
2259        "psubw %%mm3, %%mm1                     \n\t"\
2260        "pmaddwd %%mm5, %%mm5                   \n\t"\
2261        "pmaddwd %%mm1, %%mm1                   \n\t"\
2262        "paddd %%mm1, %%mm5                     \n\t"\
2263        "paddd %%mm5, %%mm0                     \n\t"
2264
2265#endif //defined (FAST_L2_DIFF)
2266
2267#define L2_DIFF_CORE(a, b)  REAL_L2_DIFF_CORE(a, b)
2268
2269L2_DIFF_CORE((%0)          , (%1))
2270L2_DIFF_CORE((%0, %2)      , (%1, %2))
2271L2_DIFF_CORE((%0, %2, 2)   , (%1, %2, 2))
2272L2_DIFF_CORE((%0, %%REGa)  , (%1, %%REGa))
2273L2_DIFF_CORE((%0, %2, 4)   , (%1, %2, 4))
2274L2_DIFF_CORE((%0, %%REGd)  , (%1, %%REGd))
2275L2_DIFF_CORE((%0, %%REGa,2), (%1, %%REGa,2))
2276L2_DIFF_CORE((%0, %%REGc)  , (%1, %%REGc))
2277
2278#endif //L1_DIFF
2279
2280        "movq %%mm0, %%mm4                      \n\t"
2281        "psrlq $32, %%mm0                       \n\t"
2282        "paddd %%mm0, %%mm4                     \n\t"
2283        "movd %%mm4, %%ecx                      \n\t"
2284        "shll $2, %%ecx                         \n\t"
2285        "mov %3, %%"REG_d"                      \n\t"
2286        "addl -4(%%"REG_d"), %%ecx              \n\t"
2287        "addl 4(%%"REG_d"), %%ecx               \n\t"
2288        "addl -1024(%%"REG_d"), %%ecx           \n\t"
2289        "addl $4, %%ecx                         \n\t"
2290        "addl 1024(%%"REG_d"), %%ecx            \n\t"
2291        "shrl $3, %%ecx                         \n\t"
2292        "movl %%ecx, (%%"REG_d")                \n\t"
2293
2294//        "mov %3, %%"REG_c"                      \n\t"
2295//        "mov %%"REG_c", test                    \n\t"
2296//        "jmp 4f                                 \n\t"
2297        "cmpl 512(%%"REG_d"), %%ecx             \n\t"
2298        " jb 2f                                 \n\t"
2299        "cmpl 516(%%"REG_d"), %%ecx             \n\t"
2300        " jb 1f                                 \n\t"
2301
2302        "lea (%%"REG_a", %2, 2), %%"REG_d"      \n\t" // 5*stride
2303        "lea (%%"REG_d", %2, 2), %%"REG_c"      \n\t" // 7*stride
2304        "movq (%0), %%mm0                       \n\t" // L0
2305        "movq (%0, %2), %%mm1                   \n\t" // L1
2306        "movq (%0, %2, 2), %%mm2                \n\t" // L2
2307        "movq (%0, %%"REG_a"), %%mm3            \n\t" // L3
2308        "movq (%0, %2, 4), %%mm4                \n\t" // L4
2309        "movq (%0, %%"REG_d"), %%mm5            \n\t" // L5
2310        "movq (%0, %%"REG_a", 2), %%mm6         \n\t" // L6
2311        "movq (%0, %%"REG_c"), %%mm7            \n\t" // L7
2312        "movq %%mm0, (%1)                       \n\t" // L0
2313        "movq %%mm1, (%1, %2)                   \n\t" // L1
2314        "movq %%mm2, (%1, %2, 2)                \n\t" // L2
2315        "movq %%mm3, (%1, %%"REG_a")            \n\t" // L3
2316        "movq %%mm4, (%1, %2, 4)                \n\t" // L4
2317        "movq %%mm5, (%1, %%"REG_d")            \n\t" // L5
2318        "movq %%mm6, (%1, %%"REG_a", 2)         \n\t" // L6
2319        "movq %%mm7, (%1, %%"REG_c")            \n\t" // L7
2320        "jmp 4f                                 \n\t"
2321
2322        "1:                                     \n\t"
2323        "lea (%%"REG_a", %2, 2), %%"REG_d"      \n\t" // 5*stride
2324        "lea (%%"REG_d", %2, 2), %%"REG_c"      \n\t" // 7*stride
2325        "movq (%0), %%mm0                       \n\t" // L0
2326        PAVGB((%1), %%mm0)                            // L0
2327        "movq (%0, %2), %%mm1                   \n\t" // L1
2328        PAVGB((%1, %2), %%mm1)                        // L1
2329        "movq (%0, %2, 2), %%mm2                \n\t" // L2
2330        PAVGB((%1, %2, 2), %%mm2)                     // L2
2331        "movq (%0, %%"REG_a"), %%mm3            \n\t" // L3
2332        PAVGB((%1, %%REGa), %%mm3)                    // L3
2333        "movq (%0, %2, 4), %%mm4                \n\t" // L4
2334        PAVGB((%1, %2, 4), %%mm4)                     // L4
2335        "movq (%0, %%"REG_d"), %%mm5            \n\t" // L5
2336        PAVGB((%1, %%REGd), %%mm5)                    // L5
2337        "movq (%0, %%"REG_a", 2), %%mm6         \n\t" // L6
2338        PAVGB((%1, %%REGa, 2), %%mm6)                 // L6
2339        "movq (%0, %%"REG_c"), %%mm7            \n\t" // L7
2340        PAVGB((%1, %%REGc), %%mm7)                    // L7
2341        "movq %%mm0, (%1)                       \n\t" // R0
2342        "movq %%mm1, (%1, %2)                   \n\t" // R1
2343        "movq %%mm2, (%1, %2, 2)                \n\t" // R2
2344        "movq %%mm3, (%1, %%"REG_a")            \n\t" // R3
2345        "movq %%mm4, (%1, %2, 4)                \n\t" // R4
2346        "movq %%mm5, (%1, %%"REG_d")            \n\t" // R5
2347        "movq %%mm6, (%1, %%"REG_a", 2)         \n\t" // R6
2348        "movq %%mm7, (%1, %%"REG_c")            \n\t" // R7
2349        "movq %%mm0, (%0)                       \n\t" // L0
2350        "movq %%mm1, (%0, %2)                   \n\t" // L1
2351        "movq %%mm2, (%0, %2, 2)                \n\t" // L2
2352        "movq %%mm3, (%0, %%"REG_a")            \n\t" // L3
2353        "movq %%mm4, (%0, %2, 4)                \n\t" // L4
2354        "movq %%mm5, (%0, %%"REG_d")            \n\t" // L5
2355        "movq %%mm6, (%0, %%"REG_a", 2)         \n\t" // L6
2356        "movq %%mm7, (%0, %%"REG_c")            \n\t" // L7
2357        "jmp 4f                                 \n\t"
2358
2359        "2:                                     \n\t"
2360        "cmpl 508(%%"REG_d"), %%ecx             \n\t"
2361        " jb 3f                                 \n\t"
2362
2363        "lea (%%"REG_a", %2, 2), %%"REG_d"      \n\t" // 5*stride
2364        "lea (%%"REG_d", %2, 2), %%"REG_c"      \n\t" // 7*stride
2365        "movq (%0), %%mm0                       \n\t" // L0
2366        "movq (%0, %2), %%mm1                   \n\t" // L1
2367        "movq (%0, %2, 2), %%mm2                \n\t" // L2
2368        "movq (%0, %%"REG_a"), %%mm3            \n\t" // L3
2369        "movq (%1), %%mm4                       \n\t" // R0
2370        "movq (%1, %2), %%mm5                   \n\t" // R1
2371        "movq (%1, %2, 2), %%mm6                \n\t" // R2
2372        "movq (%1, %%"REG_a"), %%mm7            \n\t" // R3
2373        PAVGB(%%mm4, %%mm0)
2374        PAVGB(%%mm5, %%mm1)
2375        PAVGB(%%mm6, %%mm2)
2376        PAVGB(%%mm7, %%mm3)
2377        PAVGB(%%mm4, %%mm0)
2378        PAVGB(%%mm5, %%mm1)
2379        PAVGB(%%mm6, %%mm2)
2380        PAVGB(%%mm7, %%mm3)
2381        "movq %%mm0, (%1)                       \n\t" // R0
2382        "movq %%mm1, (%1, %2)                   \n\t" // R1
2383        "movq %%mm2, (%1, %2, 2)                \n\t" // R2
2384        "movq %%mm3, (%1, %%"REG_a")            \n\t" // R3
2385        "movq %%mm0, (%0)                       \n\t" // L0
2386        "movq %%mm1, (%0, %2)                   \n\t" // L1
2387        "movq %%mm2, (%0, %2, 2)                \n\t" // L2
2388        "movq %%mm3, (%0, %%"REG_a")            \n\t" // L3
2389
2390        "movq (%0, %2, 4), %%mm0                \n\t" // L4
2391        "movq (%0, %%"REG_d"), %%mm1            \n\t" // L5
2392        "movq (%0, %%"REG_a", 2), %%mm2         \n\t" // L6
2393        "movq (%0, %%"REG_c"), %%mm3            \n\t" // L7
2394        "movq (%1, %2, 4), %%mm4                \n\t" // R4
2395        "movq (%1, %%"REG_d"), %%mm5            \n\t" // R5
2396        "movq (%1, %%"REG_a", 2), %%mm6         \n\t" // R6
2397        "movq (%1, %%"REG_c"), %%mm7            \n\t" // R7
2398        PAVGB(%%mm4, %%mm0)
2399        PAVGB(%%mm5, %%mm1)
2400        PAVGB(%%mm6, %%mm2)
2401        PAVGB(%%mm7, %%mm3)
2402        PAVGB(%%mm4, %%mm0)
2403        PAVGB(%%mm5, %%mm1)
2404        PAVGB(%%mm6, %%mm2)
2405        PAVGB(%%mm7, %%mm3)
2406        "movq %%mm0, (%1, %2, 4)                \n\t" // R4
2407        "movq %%mm1, (%1, %%"REG_d")            \n\t" // R5
2408        "movq %%mm2, (%1, %%"REG_a", 2)         \n\t" // R6
2409        "movq %%mm3, (%1, %%"REG_c")            \n\t" // R7
2410        "movq %%mm0, (%0, %2, 4)                \n\t" // L4
2411        "movq %%mm1, (%0, %%"REG_d")            \n\t" // L5
2412        "movq %%mm2, (%0, %%"REG_a", 2)         \n\t" // L6
2413        "movq %%mm3, (%0, %%"REG_c")            \n\t" // L7
2414        "jmp 4f                                 \n\t"
2415
2416        "3:                                     \n\t"
2417        "lea (%%"REG_a", %2, 2), %%"REG_d"      \n\t" // 5*stride
2418        "lea (%%"REG_d", %2, 2), %%"REG_c"      \n\t" // 7*stride
2419        "movq (%0), %%mm0                       \n\t" // L0
2420        "movq (%0, %2), %%mm1                   \n\t" // L1
2421        "movq (%0, %2, 2), %%mm2                \n\t" // L2
2422        "movq (%0, %%"REG_a"), %%mm3            \n\t" // L3
2423        "movq (%1), %%mm4                       \n\t" // R0
2424        "movq (%1, %2), %%mm5                   \n\t" // R1
2425        "movq (%1, %2, 2), %%mm6                \n\t" // R2
2426        "movq (%1, %%"REG_a"), %%mm7            \n\t" // R3
2427        PAVGB(%%mm4, %%mm0)
2428        PAVGB(%%mm5, %%mm1)
2429        PAVGB(%%mm6, %%mm2)
2430        PAVGB(%%mm7, %%mm3)
2431        PAVGB(%%mm4, %%mm0)
2432        PAVGB(%%mm5, %%mm1)
2433        PAVGB(%%mm6, %%mm2)
2434        PAVGB(%%mm7, %%mm3)
2435        PAVGB(%%mm4, %%mm0)
2436        PAVGB(%%mm5, %%mm1)
2437        PAVGB(%%mm6, %%mm2)
2438        PAVGB(%%mm7, %%mm3)
2439        "movq %%mm0, (%1)                       \n\t" // R0
2440        "movq %%mm1, (%1, %2)                   \n\t" // R1
2441        "movq %%mm2, (%1, %2, 2)                \n\t" // R2
2442        "movq %%mm3, (%1, %%"REG_a")            \n\t" // R3
2443        "movq %%mm0, (%0)                       \n\t" // L0
2444        "movq %%mm1, (%0, %2)                   \n\t" // L1
2445        "movq %%mm2, (%0, %2, 2)                \n\t" // L2
2446        "movq %%mm3, (%0, %%"REG_a")            \n\t" // L3
2447
2448        "movq (%0, %2, 4), %%mm0                \n\t" // L4
2449        "movq (%0, %%"REG_d"), %%mm1            \n\t" // L5
2450        "movq (%0, %%"REG_a", 2), %%mm2         \n\t" // L6
2451        "movq (%0, %%"REG_c"), %%mm3            \n\t" // L7
2452        "movq (%1, %2, 4), %%mm4                \n\t" // R4
2453        "movq (%1, %%"REG_d"), %%mm5            \n\t" // R5
2454        "movq (%1, %%"REG_a", 2), %%mm6         \n\t" // R6
2455        "movq (%1, %%"REG_c"), %%mm7            \n\t" // R7
2456        PAVGB(%%mm4, %%mm0)
2457        PAVGB(%%mm5, %%mm1)
2458        PAVGB(%%mm6, %%mm2)
2459        PAVGB(%%mm7, %%mm3)
2460        PAVGB(%%mm4, %%mm0)
2461        PAVGB(%%mm5, %%mm1)
2462        PAVGB(%%mm6, %%mm2)
2463        PAVGB(%%mm7, %%mm3)
2464        PAVGB(%%mm4, %%mm0)
2465        PAVGB(%%mm5, %%mm1)
2466        PAVGB(%%mm6, %%mm2)
2467        PAVGB(%%mm7, %%mm3)
2468        "movq %%mm0, (%1, %2, 4)                \n\t" // R4
2469        "movq %%mm1, (%1, %%"REG_d")            \n\t" // R5
2470        "movq %%mm2, (%1, %%"REG_a", 2)         \n\t" // R6
2471        "movq %%mm3, (%1, %%"REG_c")            \n\t" // R7
2472        "movq %%mm0, (%0, %2, 4)                \n\t" // L4
2473        "movq %%mm1, (%0, %%"REG_d")            \n\t" // L5
2474        "movq %%mm2, (%0, %%"REG_a", 2)         \n\t" // L6
2475        "movq %%mm3, (%0, %%"REG_c")            \n\t" // L7
2476
2477        "4:                                     \n\t"
2478
2479        :: "r" (src), "r" (tempBlurred), "r"((x86_reg)stride), "m" (tempBlurredPast)
2480        : "%"REG_a, "%"REG_d, "%"REG_c, "memory"
2481    );
2482#else //HAVE_MMX2 || HAVE_AMD3DNOW
2483{
2484    int y;
2485    int d=0;
2486//    int sysd=0;
2487    int i;
2488
2489    for(y=0; y<8; y++){
2490        int x;
2491        for(x=0; x<8; x++){
2492            int ref= tempBlurred[ x + y*stride ];
2493            int cur= src[ x + y*stride ];
2494            int d1=ref - cur;
2495//            if(x==0 || x==7) d1+= d1>>1;
2496//            if(y==0 || y==7) d1+= d1>>1;
2497//            d+= FFABS(d1);
2498            d+= d1*d1;
2499//            sysd+= d1;
2500        }
2501    }
2502    i=d;
2503    d=  (
2504        4*d
2505        +(*(tempBlurredPast-256))
2506        +(*(tempBlurredPast-1))+ (*(tempBlurredPast+1))
2507        +(*(tempBlurredPast+256))
2508        +4)>>3;
2509    *tempBlurredPast=i;
2510//    ((*tempBlurredPast)*3 + d + 2)>>2;
2511
2512/*
2513Switch between
2514 1  0  0  0  0  0  0  (0)
251564 32 16  8  4  2  1  (1)
251664 48 36 27 20 15 11 (33) (approx)
251764 56 49 43 37 33 29 (200) (approx)
2518*/
2519    if(d > maxNoise[1]){
2520        if(d < maxNoise[2]){
2521            for(y=0; y<8; y++){
2522                int x;
2523                for(x=0; x<8; x++){
2524                    int ref= tempBlurred[ x + y*stride ];
2525                    int cur= src[ x + y*stride ];
2526                    tempBlurred[ x + y*stride ]=
2527                    src[ x + y*stride ]=
2528                        (ref + cur + 1)>>1;
2529                }
2530            }
2531        }else{
2532            for(y=0; y<8; y++){
2533                int x;
2534                for(x=0; x<8; x++){
2535                    tempBlurred[ x + y*stride ]= src[ x + y*stride ];
2536                }
2537            }
2538        }
2539    }else{
2540        if(d < maxNoise[0]){
2541            for(y=0; y<8; y++){
2542                int x;
2543                for(x=0; x<8; x++){
2544                    int ref= tempBlurred[ x + y*stride ];
2545                    int cur= src[ x + y*stride ];
2546                    tempBlurred[ x + y*stride ]=
2547                    src[ x + y*stride ]=
2548                        (ref*7 + cur + 4)>>3;
2549                }
2550            }
2551        }else{
2552            for(y=0; y<8; y++){
2553                int x;
2554                for(x=0; x<8; x++){
2555                    int ref= tempBlurred[ x + y*stride ];
2556                    int cur= src[ x + y*stride ];
2557                    tempBlurred[ x + y*stride ]=
2558                    src[ x + y*stride ]=
2559                        (ref*3 + cur + 2)>>2;
2560                }
2561            }
2562        }
2563    }
2564}
2565#endif //HAVE_MMX2 || HAVE_AMD3DNOW
2566}
2567#endif //HAVE_ALTIVEC
2568
2569#if HAVE_MMX
2570/**
2571 * accurate deblock filter
2572 */
2573static av_always_inline void RENAME(do_a_deblock)(uint8_t *src, int step, int stride, PPContext *c){
2574    int64_t dc_mask, eq_mask, both_masks;
2575    int64_t sums[10*8*2];
2576    src+= step*3; // src points to begin of the 8x8 Block
2577//START_TIMER
2578    __asm__ volatile(
2579        "movq %0, %%mm7                         \n\t"
2580        "movq %1, %%mm6                         \n\t"
2581        : : "m" (c->mmxDcOffset[c->nonBQP]),  "m" (c->mmxDcThreshold[c->nonBQP])
2582        );
2583
2584    __asm__ volatile(
2585        "lea (%2, %3), %%"REG_a"                \n\t"
2586//      0       1       2       3       4       5       6       7       8       9
2587//      %1      eax     eax+%2  eax+2%2 %1+4%2  ecx     ecx+%2  ecx+2%2 %1+8%2  ecx+4%2
2588
2589        "movq (%2), %%mm0                       \n\t"
2590        "movq (%%"REG_a"), %%mm1                \n\t"
2591        "movq %%mm1, %%mm3                      \n\t"
2592        "movq %%mm1, %%mm4                      \n\t"
2593        "psubb %%mm1, %%mm0                     \n\t" // mm0 = differnece
2594        "paddb %%mm7, %%mm0                     \n\t"
2595        "pcmpgtb %%mm6, %%mm0                   \n\t"
2596
2597        "movq (%%"REG_a",%3), %%mm2             \n\t"
2598        PMAXUB(%%mm2, %%mm4)
2599        PMINUB(%%mm2, %%mm3, %%mm5)
2600        "psubb %%mm2, %%mm1                     \n\t"
2601        "paddb %%mm7, %%mm1                     \n\t"
2602        "pcmpgtb %%mm6, %%mm1                   \n\t"
2603        "paddb %%mm1, %%mm0                     \n\t"
2604
2605        "movq (%%"REG_a", %3, 2), %%mm1         \n\t"
2606        PMAXUB(%%mm1, %%mm4)
2607        PMINUB(%%mm1, %%mm3, %%mm5)
2608        "psubb %%mm1, %%mm2                     \n\t"
2609        "paddb %%mm7, %%mm2                     \n\t"
2610        "pcmpgtb %%mm6, %%mm2                   \n\t"
2611        "paddb %%mm2, %%mm0                     \n\t"
2612
2613        "lea (%%"REG_a", %3, 4), %%"REG_a"      \n\t"
2614
2615        "movq (%2, %3, 4), %%mm2                \n\t"
2616        PMAXUB(%%mm2, %%mm4)
2617        PMINUB(%%mm2, %%mm3, %%mm5)
2618        "psubb %%mm2, %%mm1                     \n\t"
2619        "paddb %%mm7, %%mm1                     \n\t"
2620        "pcmpgtb %%mm6, %%mm1                   \n\t"
2621        "paddb %%mm1, %%mm0                     \n\t"
2622
2623        "movq (%%"REG_a"), %%mm1                \n\t"
2624        PMAXUB(%%mm1, %%mm4)
2625        PMINUB(%%mm1, %%mm3, %%mm5)
2626        "psubb %%mm1, %%mm2                     \n\t"
2627        "paddb %%mm7, %%mm2                     \n\t"
2628        "pcmpgtb %%mm6, %%mm2                   \n\t"
2629        "paddb %%mm2, %%mm0                     \n\t"
2630
2631        "movq (%%"REG_a", %3), %%mm2            \n\t"
2632        PMAXUB(%%mm2, %%mm4)
2633        PMINUB(%%mm2, %%mm3, %%mm5)
2634        "psubb %%mm2, %%mm1                     \n\t"
2635        "paddb %%mm7, %%mm1                     \n\t"
2636        "pcmpgtb %%mm6, %%mm1                   \n\t"
2637        "paddb %%mm1, %%mm0                     \n\t"
2638
2639        "movq (%%"REG_a", %3, 2), %%mm1         \n\t"
2640        PMAXUB(%%mm1, %%mm4)
2641        PMINUB(%%mm1, %%mm3, %%mm5)
2642        "psubb %%mm1, %%mm2                     \n\t"
2643        "paddb %%mm7, %%mm2                     \n\t"
2644        "pcmpgtb %%mm6, %%mm2                   \n\t"
2645        "paddb %%mm2, %%mm0                     \n\t"
2646
2647        "movq (%2, %3, 8), %%mm2                \n\t"
2648        PMAXUB(%%mm2, %%mm4)
2649        PMINUB(%%mm2, %%mm3, %%mm5)
2650        "psubb %%mm2, %%mm1                     \n\t"
2651        "paddb %%mm7, %%mm1                     \n\t"
2652        "pcmpgtb %%mm6, %%mm1                   \n\t"
2653        "paddb %%mm1, %%mm0                     \n\t"
2654
2655        "movq (%%"REG_a", %3, 4), %%mm1         \n\t"
2656        "psubb %%mm1, %%mm2                     \n\t"
2657        "paddb %%mm7, %%mm2                     \n\t"
2658        "pcmpgtb %%mm6, %%mm2                   \n\t"
2659        "paddb %%mm2, %%mm0                     \n\t"
2660        "psubusb %%mm3, %%mm4                   \n\t"
2661
2662        "pxor %%mm6, %%mm6                      \n\t"
2663        "movq %4, %%mm7                         \n\t" // QP,..., QP
2664        "paddusb %%mm7, %%mm7                   \n\t" // 2QP ... 2QP
2665        "psubusb %%mm4, %%mm7                   \n\t" // Diff >=2QP -> 0
2666        "pcmpeqb %%mm6, %%mm7                   \n\t" // Diff < 2QP -> 0
2667        "pcmpeqb %%mm6, %%mm7                   \n\t" // Diff < 2QP -> 0
2668        "movq %%mm7, %1                         \n\t"
2669
2670        "movq %5, %%mm7                         \n\t"
2671        "punpcklbw %%mm7, %%mm7                 \n\t"
2672        "punpcklbw %%mm7, %%mm7                 \n\t"
2673        "punpcklbw %%mm7, %%mm7                 \n\t"
2674        "psubb %%mm0, %%mm6                     \n\t"
2675        "pcmpgtb %%mm7, %%mm6                   \n\t"
2676        "movq %%mm6, %0                         \n\t"
2677
2678        : "=m" (eq_mask), "=m" (dc_mask)
2679        : "r" (src), "r" ((x86_reg)step), "m" (c->pQPb), "m"(c->ppMode.flatnessThreshold)
2680        : "%"REG_a
2681    );
2682
2683    both_masks = dc_mask & eq_mask;
2684
2685    if(both_masks){
2686        x86_reg offset= -8*step;
2687        int64_t *temp_sums= sums;
2688
2689        __asm__ volatile(
2690            "movq %2, %%mm0                         \n\t"  // QP,..., QP
2691            "pxor %%mm4, %%mm4                      \n\t"
2692
2693            "movq (%0), %%mm6                       \n\t"
2694            "movq (%0, %1), %%mm5                   \n\t"
2695            "movq %%mm5, %%mm1                      \n\t"
2696            "movq %%mm6, %%mm2                      \n\t"
2697            "psubusb %%mm6, %%mm5                   \n\t"
2698            "psubusb %%mm1, %%mm2                   \n\t"
2699            "por %%mm5, %%mm2                       \n\t" // ABS Diff of lines
2700            "psubusb %%mm2, %%mm0                   \n\t" // diff >= QP -> 0
2701            "pcmpeqb %%mm4, %%mm0                   \n\t" // diff >= QP -> FF
2702
2703            "pxor %%mm6, %%mm1                      \n\t"
2704            "pand %%mm0, %%mm1                      \n\t"
2705            "pxor %%mm1, %%mm6                      \n\t"
2706            // 0:QP  6:First
2707
2708            "movq (%0, %1, 8), %%mm5                \n\t"
2709            "add %1, %0                             \n\t" // %0 points to line 1 not 0
2710            "movq (%0, %1, 8), %%mm7                \n\t"
2711            "movq %%mm5, %%mm1                      \n\t"
2712            "movq %%mm7, %%mm2                      \n\t"
2713            "psubusb %%mm7, %%mm5                   \n\t"
2714            "psubusb %%mm1, %%mm2                   \n\t"
2715            "por %%mm5, %%mm2                       \n\t" // ABS Diff of lines
2716            "movq %2, %%mm0                         \n\t"  // QP,..., QP
2717            "psubusb %%mm2, %%mm0                   \n\t" // diff >= QP -> 0
2718            "pcmpeqb %%mm4, %%mm0                   \n\t" // diff >= QP -> FF
2719
2720            "pxor %%mm7, %%mm1                      \n\t"
2721            "pand %%mm0, %%mm1                      \n\t"
2722            "pxor %%mm1, %%mm7                      \n\t"
2723
2724            "movq %%mm6, %%mm5                      \n\t"
2725            "punpckhbw %%mm4, %%mm6                 \n\t"
2726            "punpcklbw %%mm4, %%mm5                 \n\t"
2727            // 4:0 5/6:First 7:Last
2728
2729            "movq %%mm5, %%mm0                      \n\t"
2730            "movq %%mm6, %%mm1                      \n\t"
2731            "psllw $2, %%mm0                        \n\t"
2732            "psllw $2, %%mm1                        \n\t"
2733            "paddw "MANGLE(w04)", %%mm0             \n\t"
2734            "paddw "MANGLE(w04)", %%mm1             \n\t"
2735
2736#define NEXT\
2737            "movq (%0), %%mm2                       \n\t"\
2738            "movq (%0), %%mm3                       \n\t"\
2739            "add %1, %0                             \n\t"\
2740            "punpcklbw %%mm4, %%mm2                 \n\t"\
2741            "punpckhbw %%mm4, %%mm3                 \n\t"\
2742            "paddw %%mm2, %%mm0                     \n\t"\
2743            "paddw %%mm3, %%mm1                     \n\t"
2744
2745#define PREV\
2746            "movq (%0), %%mm2                       \n\t"\
2747            "movq (%0), %%mm3                       \n\t"\
2748            "add %1, %0                             \n\t"\
2749            "punpcklbw %%mm4, %%mm2                 \n\t"\
2750            "punpckhbw %%mm4, %%mm3                 \n\t"\
2751            "psubw %%mm2, %%mm0                     \n\t"\
2752            "psubw %%mm3, %%mm1                     \n\t"
2753
2754
2755            NEXT //0
2756            NEXT //1
2757            NEXT //2
2758            "movq %%mm0, (%3)                       \n\t"
2759            "movq %%mm1, 8(%3)                      \n\t"
2760
2761            NEXT //3
2762            "psubw %%mm5, %%mm0                     \n\t"
2763            "psubw %%mm6, %%mm1                     \n\t"
2764            "movq %%mm0, 16(%3)                     \n\t"
2765            "movq %%mm1, 24(%3)                     \n\t"
2766
2767            NEXT //4
2768            "psubw %%mm5, %%mm0                     \n\t"
2769            "psubw %%mm6, %%mm1                     \n\t"
2770            "movq %%mm0, 32(%3)                     \n\t"
2771            "movq %%mm1, 40(%3)                     \n\t"
2772
2773            NEXT //5
2774            "psubw %%mm5, %%mm0                     \n\t"
2775            "psubw %%mm6, %%mm1                     \n\t"
2776            "movq %%mm0, 48(%3)                     \n\t"
2777            "movq %%mm1, 56(%3)                     \n\t"
2778
2779            NEXT //6
2780            "psubw %%mm5, %%mm0                     \n\t"
2781            "psubw %%mm6, %%mm1                     \n\t"
2782            "movq %%mm0, 64(%3)                     \n\t"
2783            "movq %%mm1, 72(%3)                     \n\t"
2784
2785            "movq %%mm7, %%mm6                      \n\t"
2786            "punpckhbw %%mm4, %%mm7                 \n\t"
2787            "punpcklbw %%mm4, %%mm6                 \n\t"
2788
2789            NEXT //7
2790            "mov %4, %0                             \n\t"
2791            "add %1, %0                             \n\t"
2792            PREV //0
2793            "movq %%mm0, 80(%3)                     \n\t"
2794            "movq %%mm1, 88(%3)                     \n\t"
2795
2796            PREV //1
2797            "paddw %%mm6, %%mm0                     \n\t"
2798            "paddw %%mm7, %%mm1                     \n\t"
2799            "movq %%mm0, 96(%3)                     \n\t"
2800            "movq %%mm1, 104(%3)                    \n\t"
2801
2802            PREV //2
2803            "paddw %%mm6, %%mm0                     \n\t"
2804            "paddw %%mm7, %%mm1                     \n\t"
2805            "movq %%mm0, 112(%3)                    \n\t"
2806            "movq %%mm1, 120(%3)                    \n\t"
2807
2808            PREV //3
2809            "paddw %%mm6, %%mm0                     \n\t"
2810            "paddw %%mm7, %%mm1                     \n\t"
2811            "movq %%mm0, 128(%3)                    \n\t"
2812            "movq %%mm1, 136(%3)                    \n\t"
2813
2814            PREV //4
2815            "paddw %%mm6, %%mm0                     \n\t"
2816            "paddw %%mm7, %%mm1                     \n\t"
2817            "movq %%mm0, 144(%3)                    \n\t"
2818            "movq %%mm1, 152(%3)                    \n\t"
2819
2820            "mov %4, %0                             \n\t" //FIXME
2821
2822            : "+&r"(src)
2823            : "r" ((x86_reg)step), "m" (c->pQPb), "r"(sums), "g"(src)
2824        );
2825
2826        src+= step; // src points to begin of the 8x8 Block
2827
2828        __asm__ volatile(
2829            "movq %4, %%mm6                         \n\t"
2830            "pcmpeqb %%mm5, %%mm5                   \n\t"
2831            "pxor %%mm6, %%mm5                      \n\t"
2832            "pxor %%mm7, %%mm7                      \n\t"
2833
2834            "1:                                     \n\t"
2835            "movq (%1), %%mm0                       \n\t"
2836            "movq 8(%1), %%mm1                      \n\t"
2837            "paddw 32(%1), %%mm0                    \n\t"
2838            "paddw 40(%1), %%mm1                    \n\t"
2839            "movq (%0, %3), %%mm2                   \n\t"
2840            "movq %%mm2, %%mm3                      \n\t"
2841            "movq %%mm2, %%mm4                      \n\t"
2842            "punpcklbw %%mm7, %%mm2                 \n\t"
2843            "punpckhbw %%mm7, %%mm3                 \n\t"
2844            "paddw %%mm2, %%mm0                     \n\t"
2845            "paddw %%mm3, %%mm1                     \n\t"
2846            "paddw %%mm2, %%mm0                     \n\t"
2847            "paddw %%mm3, %%mm1                     \n\t"
2848            "psrlw $4, %%mm0                        \n\t"
2849            "psrlw $4, %%mm1                        \n\t"
2850            "packuswb %%mm1, %%mm0                  \n\t"
2851            "pand %%mm6, %%mm0                      \n\t"
2852            "pand %%mm5, %%mm4                      \n\t"
2853            "por %%mm4, %%mm0                       \n\t"
2854            "movq %%mm0, (%0, %3)                   \n\t"
2855            "add $16, %1                            \n\t"
2856            "add %2, %0                             \n\t"
2857            " js 1b                                 \n\t"
2858
2859            : "+r"(offset), "+r"(temp_sums)
2860            : "r" ((x86_reg)step), "r"(src - offset), "m"(both_masks)
2861        );
2862    }else
2863        src+= step; // src points to begin of the 8x8 Block
2864
2865    if(eq_mask != -1LL){
2866        uint8_t *temp_src= src;
2867        __asm__ volatile(
2868            "pxor %%mm7, %%mm7                      \n\t"
2869            "lea -40(%%"REG_SP"), %%"REG_c"         \n\t" // make space for 4 8-byte vars
2870            "and "ALIGN_MASK", %%"REG_c"            \n\t" // align
2871//      0       1       2       3       4       5       6       7       8       9
2872//      %0      eax     eax+%1  eax+2%1 %0+4%1  ecx     ecx+%1  ecx+2%1 %1+8%1  ecx+4%1
2873
2874            "movq (%0), %%mm0                       \n\t"
2875            "movq %%mm0, %%mm1                      \n\t"
2876            "punpcklbw %%mm7, %%mm0                 \n\t" // low part of line 0
2877            "punpckhbw %%mm7, %%mm1                 \n\t" // high part of line 0
2878
2879            "movq (%0, %1), %%mm2                   \n\t"
2880            "lea (%0, %1, 2), %%"REG_a"             \n\t"
2881            "movq %%mm2, %%mm3                      \n\t"
2882            "punpcklbw %%mm7, %%mm2                 \n\t" // low part of line 1
2883            "punpckhbw %%mm7, %%mm3                 \n\t" // high part of line 1
2884
2885            "movq (%%"REG_a"), %%mm4                \n\t"
2886            "movq %%mm4, %%mm5                      \n\t"
2887            "punpcklbw %%mm7, %%mm4                 \n\t" // low part of line 2
2888            "punpckhbw %%mm7, %%mm5                 \n\t" // high part of line 2
2889
2890            "paddw %%mm0, %%mm0                     \n\t" // 2L0
2891            "paddw %%mm1, %%mm1                     \n\t" // 2H0
2892            "psubw %%mm4, %%mm2                     \n\t" // L1 - L2
2893            "psubw %%mm5, %%mm3                     \n\t" // H1 - H2
2894            "psubw %%mm2, %%mm0                     \n\t" // 2L0 - L1 + L2
2895            "psubw %%mm3, %%mm1                     \n\t" // 2H0 - H1 + H2
2896
2897            "psllw $2, %%mm2                        \n\t" // 4L1 - 4L2
2898            "psllw $2, %%mm3                        \n\t" // 4H1 - 4H2
2899            "psubw %%mm2, %%mm0                     \n\t" // 2L0 - 5L1 + 5L2
2900            "psubw %%mm3, %%mm1                     \n\t" // 2H0 - 5H1 + 5H2
2901
2902            "movq (%%"REG_a", %1), %%mm2            \n\t"
2903            "movq %%mm2, %%mm3                      \n\t"
2904            "punpcklbw %%mm7, %%mm2                 \n\t" // L3
2905            "punpckhbw %%mm7, %%mm3                 \n\t" // H3
2906
2907            "psubw %%mm2, %%mm0                     \n\t" // 2L0 - 5L1 + 5L2 - L3
2908            "psubw %%mm3, %%mm1                     \n\t" // 2H0 - 5H1 + 5H2 - H3
2909            "psubw %%mm2, %%mm0                     \n\t" // 2L0 - 5L1 + 5L2 - 2L3
2910            "psubw %%mm3, %%mm1                     \n\t" // 2H0 - 5H1 + 5H2 - 2H3
2911            "movq %%mm0, (%%"REG_c")                \n\t" // 2L0 - 5L1 + 5L2 - 2L3
2912            "movq %%mm1, 8(%%"REG_c")               \n\t" // 2H0 - 5H1 + 5H2 - 2H3
2913
2914            "movq (%%"REG_a", %1, 2), %%mm0         \n\t"
2915            "movq %%mm0, %%mm1                      \n\t"
2916            "punpcklbw %%mm7, %%mm0                 \n\t" // L4
2917            "punpckhbw %%mm7, %%mm1                 \n\t" // H4
2918
2919            "psubw %%mm0, %%mm2                     \n\t" // L3 - L4
2920            "psubw %%mm1, %%mm3                     \n\t" // H3 - H4
2921            "movq %%mm2, 16(%%"REG_c")              \n\t" // L3 - L4
2922            "movq %%mm3, 24(%%"REG_c")              \n\t" // H3 - H4
2923            "paddw %%mm4, %%mm4                     \n\t" // 2L2
2924            "paddw %%mm5, %%mm5                     \n\t" // 2H2
2925            "psubw %%mm2, %%mm4                     \n\t" // 2L2 - L3 + L4
2926            "psubw %%mm3, %%mm5                     \n\t" // 2H2 - H3 + H4
2927
2928            "lea (%%"REG_a", %1), %0                \n\t"
2929            "psllw $2, %%mm2                        \n\t" // 4L3 - 4L4
2930            "psllw $2, %%mm3                        \n\t" // 4H3 - 4H4
2931            "psubw %%mm2, %%mm4                     \n\t" // 2L2 - 5L3 + 5L4
2932            "psubw %%mm3, %%mm5                     \n\t" // 2H2 - 5H3 + 5H4
2933//50 opcodes so far
2934            "movq (%0, %1, 2), %%mm2                \n\t"
2935            "movq %%mm2, %%mm3                      \n\t"
2936            "punpcklbw %%mm7, %%mm2                 \n\t" // L5
2937            "punpckhbw %%mm7, %%mm3                 \n\t" // H5
2938            "psubw %%mm2, %%mm4                     \n\t" // 2L2 - 5L3 + 5L4 - L5
2939            "psubw %%mm3, %%mm5                     \n\t" // 2H2 - 5H3 + 5H4 - H5
2940            "psubw %%mm2, %%mm4                     \n\t" // 2L2 - 5L3 + 5L4 - 2L5
2941            "psubw %%mm3, %%mm5                     \n\t" // 2H2 - 5H3 + 5H4 - 2H5
2942
2943            "movq (%%"REG_a", %1, 4), %%mm6         \n\t"
2944            "punpcklbw %%mm7, %%mm6                 \n\t" // L6
2945            "psubw %%mm6, %%mm2                     \n\t" // L5 - L6
2946            "movq (%%"REG_a", %1, 4), %%mm6         \n\t"
2947            "punpckhbw %%mm7, %%mm6                 \n\t" // H6
2948            "psubw %%mm6, %%mm3                     \n\t" // H5 - H6
2949
2950            "paddw %%mm0, %%mm0                     \n\t" // 2L4
2951            "paddw %%mm1, %%mm1                     \n\t" // 2H4
2952            "psubw %%mm2, %%mm0                     \n\t" // 2L4 - L5 + L6
2953            "psubw %%mm3, %%mm1                     \n\t" // 2H4 - H5 + H6
2954
2955            "psllw $2, %%mm2                        \n\t" // 4L5 - 4L6
2956            "psllw $2, %%mm3                        \n\t" // 4H5 - 4H6
2957            "psubw %%mm2, %%mm0                     \n\t" // 2L4 - 5L5 + 5L6
2958            "psubw %%mm3, %%mm1                     \n\t" // 2H4 - 5H5 + 5H6
2959
2960            "movq (%0, %1, 4), %%mm2                \n\t"
2961            "movq %%mm2, %%mm3                      \n\t"
2962            "punpcklbw %%mm7, %%mm2                 \n\t" // L7
2963            "punpckhbw %%mm7, %%mm3                 \n\t" // H7
2964
2965            "paddw %%mm2, %%mm2                     \n\t" // 2L7
2966            "paddw %%mm3, %%mm3                     \n\t" // 2H7
2967            "psubw %%mm2, %%mm0                     \n\t" // 2L4 - 5L5 + 5L6 - 2L7
2968            "psubw %%mm3, %%mm1                     \n\t" // 2H4 - 5H5 + 5H6 - 2H7
2969
2970            "movq (%%"REG_c"), %%mm2                \n\t" // 2L0 - 5L1 + 5L2 - 2L3
2971            "movq 8(%%"REG_c"), %%mm3               \n\t" // 2H0 - 5H1 + 5H2 - 2H3
2972
2973#if HAVE_MMX2
2974            "movq %%mm7, %%mm6                      \n\t" // 0
2975            "psubw %%mm0, %%mm6                     \n\t"
2976            "pmaxsw %%mm6, %%mm0                    \n\t" // |2L4 - 5L5 + 5L6 - 2L7|
2977            "movq %%mm7, %%mm6                      \n\t" // 0
2978            "psubw %%mm1, %%mm6                     \n\t"
2979            "pmaxsw %%mm6, %%mm1                    \n\t" // |2H4 - 5H5 + 5H6 - 2H7|
2980            "movq %%mm7, %%mm6                      \n\t" // 0
2981            "psubw %%mm2, %%mm6                     \n\t"
2982            "pmaxsw %%mm6, %%mm2                    \n\t" // |2L0 - 5L1 + 5L2 - 2L3|
2983            "movq %%mm7, %%mm6                      \n\t" // 0
2984            "psubw %%mm3, %%mm6                     \n\t"
2985            "pmaxsw %%mm6, %%mm3                    \n\t" // |2H0 - 5H1 + 5H2 - 2H3|
2986#else
2987            "movq %%mm7, %%mm6                      \n\t" // 0
2988            "pcmpgtw %%mm0, %%mm6                   \n\t"
2989            "pxor %%mm6, %%mm0                      \n\t"
2990            "psubw %%mm6, %%mm0                     \n\t" // |2L4 - 5L5 + 5L6 - 2L7|
2991            "movq %%mm7, %%mm6                      \n\t" // 0
2992            "pcmpgtw %%mm1, %%mm6                   \n\t"
2993            "pxor %%mm6, %%mm1                      \n\t"
2994            "psubw %%mm6, %%mm1                     \n\t" // |2H4 - 5H5 + 5H6 - 2H7|
2995            "movq %%mm7, %%mm6                      \n\t" // 0
2996            "pcmpgtw %%mm2, %%mm6                   \n\t"
2997            "pxor %%mm6, %%mm2                      \n\t"
2998            "psubw %%mm6, %%mm2                     \n\t" // |2L0 - 5L1 + 5L2 - 2L3|
2999            "movq %%mm7, %%mm6                      \n\t" // 0
3000            "pcmpgtw %%mm3, %%mm6                   \n\t"
3001            "pxor %%mm6, %%mm3                      \n\t"
3002            "psubw %%mm6, %%mm3                     \n\t" // |2H0 - 5H1 + 5H2 - 2H3|
3003#endif
3004
3005#if HAVE_MMX2
3006            "pminsw %%mm2, %%mm0                    \n\t"
3007            "pminsw %%mm3, %%mm1                    \n\t"
3008#else
3009            "movq %%mm0, %%mm6                      \n\t"
3010            "psubusw %%mm2, %%mm6                   \n\t"
3011            "psubw %%mm6, %%mm0                     \n\t"
3012            "movq %%mm1, %%mm6                      \n\t"
3013            "psubusw %%mm3, %%mm6                   \n\t"
3014            "psubw %%mm6, %%mm1                     \n\t"
3015#endif
3016
3017            "movd %2, %%mm2                         \n\t" // QP
3018            "punpcklbw %%mm7, %%mm2                 \n\t"
3019
3020            "movq %%mm7, %%mm6                      \n\t" // 0
3021            "pcmpgtw %%mm4, %%mm6                   \n\t" // sign(2L2 - 5L3 + 5L4 - 2L5)
3022            "pxor %%mm6, %%mm4                      \n\t"
3023            "psubw %%mm6, %%mm4                     \n\t" // |2L2 - 5L3 + 5L4 - 2L5|
3024            "pcmpgtw %%mm5, %%mm7                   \n\t" // sign(2H2 - 5H3 + 5H4 - 2H5)
3025            "pxor %%mm7, %%mm5                      \n\t"
3026            "psubw %%mm7, %%mm5                     \n\t" // |2H2 - 5H3 + 5H4 - 2H5|
3027// 100 opcodes
3028            "psllw $3, %%mm2                        \n\t" // 8QP
3029            "movq %%mm2, %%mm3                      \n\t" // 8QP
3030            "pcmpgtw %%mm4, %%mm2                   \n\t"
3031            "pcmpgtw %%mm5, %%mm3                   \n\t"
3032            "pand %%mm2, %%mm4                      \n\t"
3033            "pand %%mm3, %%mm5                      \n\t"
3034
3035
3036            "psubusw %%mm0, %%mm4                   \n\t" // hd
3037            "psubusw %%mm1, %%mm5                   \n\t" // ld
3038
3039
3040            "movq "MANGLE(w05)", %%mm2              \n\t" // 5
3041            "pmullw %%mm2, %%mm4                    \n\t"
3042            "pmullw %%mm2, %%mm5                    \n\t"
3043            "movq "MANGLE(w20)", %%mm2              \n\t" // 32
3044            "paddw %%mm2, %%mm4                     \n\t"
3045            "paddw %%mm2, %%mm5                     \n\t"
3046            "psrlw $6, %%mm4                        \n\t"
3047            "psrlw $6, %%mm5                        \n\t"
3048
3049            "movq 16(%%"REG_c"), %%mm0              \n\t" // L3 - L4
3050            "movq 24(%%"REG_c"), %%mm1              \n\t" // H3 - H4
3051
3052            "pxor %%mm2, %%mm2                      \n\t"
3053            "pxor %%mm3, %%mm3                      \n\t"
3054
3055            "pcmpgtw %%mm0, %%mm2                   \n\t" // sign (L3-L4)
3056            "pcmpgtw %%mm1, %%mm3                   \n\t" // sign (H3-H4)
3057            "pxor %%mm2, %%mm0                      \n\t"
3058            "pxor %%mm3, %%mm1                      \n\t"
3059            "psubw %%mm2, %%mm0                     \n\t" // |L3-L4|
3060            "psubw %%mm3, %%mm1                     \n\t" // |H3-H4|
3061            "psrlw $1, %%mm0                        \n\t" // |L3 - L4|/2
3062            "psrlw $1, %%mm1                        \n\t" // |H3 - H4|/2
3063
3064            "pxor %%mm6, %%mm2                      \n\t"
3065            "pxor %%mm7, %%mm3                      \n\t"
3066            "pand %%mm2, %%mm4                      \n\t"
3067            "pand %%mm3, %%mm5                      \n\t"
3068
3069#if HAVE_MMX2
3070            "pminsw %%mm0, %%mm4                    \n\t"
3071            "pminsw %%mm1, %%mm5                    \n\t"
3072#else
3073            "movq %%mm4, %%mm2                      \n\t"
3074            "psubusw %%mm0, %%mm2                   \n\t"
3075            "psubw %%mm2, %%mm4                     \n\t"
3076            "movq %%mm5, %%mm2                      \n\t"
3077            "psubusw %%mm1, %%mm2                   \n\t"
3078            "psubw %%mm2, %%mm5                     \n\t"
3079#endif
3080            "pxor %%mm6, %%mm4                      \n\t"
3081            "pxor %%mm7, %%mm5                      \n\t"
3082            "psubw %%mm6, %%mm4                     \n\t"
3083            "psubw %%mm7, %%mm5                     \n\t"
3084            "packsswb %%mm5, %%mm4                  \n\t"
3085            "movq %3, %%mm1                         \n\t"
3086            "pandn %%mm4, %%mm1                     \n\t"
3087            "movq (%0), %%mm0                       \n\t"
3088            "paddb   %%mm1, %%mm0                   \n\t"
3089            "movq %%mm0, (%0)                       \n\t"
3090            "movq (%0, %1), %%mm0                   \n\t"
3091            "psubb %%mm1, %%mm0                     \n\t"
3092            "movq %%mm0, (%0, %1)                   \n\t"
3093
3094            : "+r" (temp_src)
3095            : "r" ((x86_reg)step), "m" (c->pQPb), "m"(eq_mask)
3096            : "%"REG_a, "%"REG_c
3097        );
3098    }
3099/*if(step==16){
3100    STOP_TIMER("step16")
3101}else{
3102    STOP_TIMER("stepX")
3103}*/
3104}
3105#endif //HAVE_MMX
3106
3107static void RENAME(postProcess)(const uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int width, int height,
3108                                const QP_STORE_T QPs[], int QPStride, int isColor, PPContext *c);
3109
3110/**
3111 * Copies a block from src to dst and fixes the blacklevel.
3112 * levelFix == 0 -> do not touch the brighness & contrast
3113 */
3114#undef SCALED_CPY
3115
3116static inline void RENAME(blockCopy)(uint8_t dst[], int dstStride, const uint8_t src[], int srcStride,
3117                                     int levelFix, int64_t *packedOffsetAndScale)
3118{
3119#if !HAVE_MMX
3120    int i;
3121#endif
3122    if(levelFix){
3123#if HAVE_MMX
3124    __asm__ volatile(
3125        "movq (%%"REG_a"), %%mm2        \n\t" // packedYOffset
3126        "movq 8(%%"REG_a"), %%mm3       \n\t" // packedYScale
3127        "lea (%2,%4), %%"REG_a"         \n\t"
3128        "lea (%3,%5), %%"REG_d"         \n\t"
3129        "pxor %%mm4, %%mm4              \n\t"
3130#if HAVE_MMX2
3131#define REAL_SCALED_CPY(src1, src2, dst1, dst2)                                                \
3132        "movq " #src1 ", %%mm0          \n\t"\
3133        "movq " #src1 ", %%mm5          \n\t"\
3134        "movq " #src2 ", %%mm1          \n\t"\
3135        "movq " #src2 ", %%mm6          \n\t"\
3136        "punpcklbw %%mm0, %%mm0         \n\t"\
3137        "punpckhbw %%mm5, %%mm5         \n\t"\
3138        "punpcklbw %%mm1, %%mm1         \n\t"\
3139        "punpckhbw %%mm6, %%mm6         \n\t"\
3140        "pmulhuw %%mm3, %%mm0           \n\t"\
3141        "pmulhuw %%mm3, %%mm5           \n\t"\
3142        "pmulhuw %%mm3, %%mm1           \n\t"\
3143        "pmulhuw %%mm3, %%mm6           \n\t"\
3144        "psubw %%mm2, %%mm0             \n\t"\
3145        "psubw %%mm2, %%mm5             \n\t"\
3146        "psubw %%mm2, %%mm1             \n\t"\
3147        "psubw %%mm2, %%mm6             \n\t"\
3148        "packuswb %%mm5, %%mm0          \n\t"\
3149        "packuswb %%mm6, %%mm1          \n\t"\
3150        "movq %%mm0, " #dst1 "          \n\t"\
3151        "movq %%mm1, " #dst2 "          \n\t"\
3152
3153#else //HAVE_MMX2
3154#define REAL_SCALED_CPY(src1, src2, dst1, dst2)                                        \
3155        "movq " #src1 ", %%mm0          \n\t"\
3156        "movq " #src1 ", %%mm5          \n\t"\
3157        "punpcklbw %%mm4, %%mm0         \n\t"\
3158        "punpckhbw %%mm4, %%mm5         \n\t"\
3159        "psubw %%mm2, %%mm0             \n\t"\
3160        "psubw %%mm2, %%mm5             \n\t"\
3161        "movq " #src2 ", %%mm1          \n\t"\
3162        "psllw $6, %%mm0                \n\t"\
3163        "psllw $6, %%mm5                \n\t"\
3164        "pmulhw %%mm3, %%mm0            \n\t"\
3165        "movq " #src2 ", %%mm6          \n\t"\
3166        "pmulhw %%mm3, %%mm5            \n\t"\
3167        "punpcklbw %%mm4, %%mm1         \n\t"\
3168        "punpckhbw %%mm4, %%mm6         \n\t"\
3169        "psubw %%mm2, %%mm1             \n\t"\
3170        "psubw %%mm2, %%mm6             \n\t"\
3171        "psllw $6, %%mm1                \n\t"\
3172        "psllw $6, %%mm6                \n\t"\
3173        "pmulhw %%mm3, %%mm1            \n\t"\
3174        "pmulhw %%mm3, %%mm6            \n\t"\
3175        "packuswb %%mm5, %%mm0          \n\t"\
3176        "packuswb %%mm6, %%mm1          \n\t"\
3177        "movq %%mm0, " #dst1 "          \n\t"\
3178        "movq %%mm1, " #dst2 "          \n\t"\
3179
3180#endif //HAVE_MMX2
3181#define SCALED_CPY(src1, src2, dst1, dst2)\
3182   REAL_SCALED_CPY(src1, src2, dst1, dst2)
3183
3184SCALED_CPY((%2)       , (%2, %4)      , (%3)       , (%3, %5))
3185SCALED_CPY((%2, %4, 2), (%%REGa, %4, 2), (%3, %5, 2), (%%REGd, %5, 2))
3186SCALED_CPY((%2, %4, 4), (%%REGa, %4, 4), (%3, %5, 4), (%%REGd, %5, 4))
3187        "lea (%%"REG_a",%4,4), %%"REG_a"        \n\t"
3188        "lea (%%"REG_d",%5,4), %%"REG_d"        \n\t"
3189SCALED_CPY((%%REGa, %4), (%%REGa, %4, 2), (%%REGd, %5), (%%REGd, %5, 2))
3190
3191
3192        : "=&a" (packedOffsetAndScale)
3193        : "0" (packedOffsetAndScale),
3194        "r"(src),
3195        "r"(dst),
3196        "r" ((x86_reg)srcStride),
3197        "r" ((x86_reg)dstStride)
3198        : "%"REG_d
3199    );
3200#else //HAVE_MMX
3201    for(i=0; i<8; i++)
3202        memcpy( &(dst[dstStride*i]),
3203                &(src[srcStride*i]), BLOCK_SIZE);
3204#endif //HAVE_MMX
3205    }else{
3206#if HAVE_MMX
3207    __asm__ volatile(
3208        "lea (%0,%2), %%"REG_a"                 \n\t"
3209        "lea (%1,%3), %%"REG_d"                 \n\t"
3210
3211#define REAL_SIMPLE_CPY(src1, src2, dst1, dst2)                              \
3212        "movq " #src1 ", %%mm0          \n\t"\
3213        "movq " #src2 ", %%mm1          \n\t"\
3214        "movq %%mm0, " #dst1 "          \n\t"\
3215        "movq %%mm1, " #dst2 "          \n\t"\
3216
3217#define SIMPLE_CPY(src1, src2, dst1, dst2)\
3218   REAL_SIMPLE_CPY(src1, src2, dst1, dst2)
3219
3220SIMPLE_CPY((%0)       , (%0, %2)       , (%1)       , (%1, %3))
3221SIMPLE_CPY((%0, %2, 2), (%%REGa, %2, 2), (%1, %3, 2), (%%REGd, %3, 2))
3222SIMPLE_CPY((%0, %2, 4), (%%REGa, %2, 4), (%1, %3, 4), (%%REGd, %3, 4))
3223        "lea (%%"REG_a",%2,4), %%"REG_a"        \n\t"
3224        "lea (%%"REG_d",%3,4), %%"REG_d"        \n\t"
3225SIMPLE_CPY((%%REGa, %2), (%%REGa, %2, 2), (%%REGd, %3), (%%REGd, %3, 2))
3226
3227        : : "r" (src),
3228        "r" (dst),
3229        "r" ((x86_reg)srcStride),
3230        "r" ((x86_reg)dstStride)
3231        : "%"REG_a, "%"REG_d
3232    );
3233#else //HAVE_MMX
3234    for(i=0; i<8; i++)
3235        memcpy( &(dst[dstStride*i]),
3236                &(src[srcStride*i]), BLOCK_SIZE);
3237#endif //HAVE_MMX
3238    }
3239}
3240
3241/**
3242 * Duplicates the given 8 src pixels ? times upward
3243 */
3244static inline void RENAME(duplicate)(uint8_t src[], int stride)
3245{
3246#if HAVE_MMX
3247    __asm__ volatile(
3248        "movq (%0), %%mm0               \n\t"
3249        "add %1, %0                     \n\t"
3250        "movq %%mm0, (%0)               \n\t"
3251        "movq %%mm0, (%0, %1)           \n\t"
3252        "movq %%mm0, (%0, %1, 2)        \n\t"
3253        : "+r" (src)
3254        : "r" ((x86_reg)-stride)
3255    );
3256#else
3257    int i;
3258    uint8_t *p=src;
3259    for(i=0; i<3; i++){
3260        p-= stride;
3261        memcpy(p, src, 8);
3262    }
3263#endif
3264}
3265
3266/**
3267 * Filters array of bytes (Y or U or V values)
3268 */
3269static void RENAME(postProcess)(const uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int width, int height,
3270                                const QP_STORE_T QPs[], int QPStride, int isColor, PPContext *c2)
3271{
3272    DECLARE_ALIGNED(8, PPContext, c)= *c2; //copy to stack for faster access
3273    int x,y;
3274#ifdef COMPILE_TIME_MODE
3275    const int mode= COMPILE_TIME_MODE;
3276#else
3277    const int mode= isColor ? c.ppMode.chromMode : c.ppMode.lumMode;
3278#endif
3279    int black=0, white=255; // blackest black and whitest white in the picture
3280    int QPCorrecture= 256*256;
3281
3282    int copyAhead;
3283#if HAVE_MMX
3284    int i;
3285#endif
3286
3287    const int qpHShift= isColor ? 4-c.hChromaSubSample : 4;
3288    const int qpVShift= isColor ? 4-c.vChromaSubSample : 4;
3289
3290    //FIXME remove
3291    uint64_t * const yHistogram= c.yHistogram;
3292    uint8_t * const tempSrc= srcStride > 0 ? c.tempSrc : c.tempSrc - 23*srcStride;
3293    uint8_t * const tempDst= dstStride > 0 ? c.tempDst : c.tempDst - 23*dstStride;
3294    //const int mbWidth= isColor ? (width+7)>>3 : (width+15)>>4;
3295
3296#if HAVE_MMX
3297    for(i=0; i<57; i++){
3298        int offset= ((i*c.ppMode.baseDcDiff)>>8) + 1;
3299        int threshold= offset*2 + 1;
3300        c.mmxDcOffset[i]= 0x7F - offset;
3301        c.mmxDcThreshold[i]= 0x7F - threshold;
3302        c.mmxDcOffset[i]*= 0x0101010101010101LL;
3303        c.mmxDcThreshold[i]*= 0x0101010101010101LL;
3304    }
3305#endif
3306
3307    if(mode & CUBIC_IPOL_DEINT_FILTER) copyAhead=16;
3308    else if(   (mode & LINEAR_BLEND_DEINT_FILTER)
3309            || (mode & FFMPEG_DEINT_FILTER)
3310            || (mode & LOWPASS5_DEINT_FILTER)) copyAhead=14;
3311    else if(   (mode & V_DEBLOCK)
3312            || (mode & LINEAR_IPOL_DEINT_FILTER)
3313            || (mode & MEDIAN_DEINT_FILTER)
3314            || (mode & V_A_DEBLOCK)) copyAhead=13;
3315    else if(mode & V_X1_FILTER) copyAhead=11;
3316//    else if(mode & V_RK1_FILTER) copyAhead=10;
3317    else if(mode & DERING) copyAhead=9;
3318    else copyAhead=8;
3319
3320    copyAhead-= 8;
3321
3322    if(!isColor){
3323        uint64_t sum= 0;
3324        int i;
3325        uint64_t maxClipped;
3326        uint64_t clipped;
3327        double scale;
3328
3329        c.frameNum++;
3330        // first frame is fscked so we ignore it
3331        if(c.frameNum == 1) yHistogram[0]= width*height/64*15/256;
3332
3333        for(i=0; i<256; i++){
3334            sum+= yHistogram[i];
3335        }
3336
3337        /* We always get a completely black picture first. */
3338        maxClipped= (uint64_t)(sum * c.ppMode.maxClippedThreshold);
3339
3340        clipped= sum;
3341        for(black=255; black>0; black--){
3342            if(clipped < maxClipped) break;
3343            clipped-= yHistogram[black];
3344        }
3345
3346        clipped= sum;
3347        for(white=0; white<256; white++){
3348            if(clipped < maxClipped) break;
3349            clipped-= yHistogram[white];
3350        }
3351
3352        scale= (double)(c.ppMode.maxAllowedY - c.ppMode.minAllowedY) / (double)(white-black);
3353
3354#if HAVE_MMX2
3355        c.packedYScale= (uint16_t)(scale*256.0 + 0.5);
3356        c.packedYOffset= (((black*c.packedYScale)>>8) - c.ppMode.minAllowedY) & 0xFFFF;
3357#else
3358        c.packedYScale= (uint16_t)(scale*1024.0 + 0.5);
3359        c.packedYOffset= (black - c.ppMode.minAllowedY) & 0xFFFF;
3360#endif
3361
3362        c.packedYOffset|= c.packedYOffset<<32;
3363        c.packedYOffset|= c.packedYOffset<<16;
3364
3365        c.packedYScale|= c.packedYScale<<32;
3366        c.packedYScale|= c.packedYScale<<16;
3367
3368        if(mode & LEVEL_FIX)        QPCorrecture= (int)(scale*256*256 + 0.5);
3369        else                        QPCorrecture= 256*256;
3370    }else{
3371        c.packedYScale= 0x0100010001000100LL;
3372        c.packedYOffset= 0;
3373        QPCorrecture= 256*256;
3374    }
3375
3376    /* copy & deinterlace first row of blocks */
3377    y=-BLOCK_SIZE;
3378    {
3379        const uint8_t *srcBlock= &(src[y*srcStride]);
3380        uint8_t *dstBlock= tempDst + dstStride;
3381
3382        // From this point on it is guaranteed that we can read and write 16 lines downward
3383        // finish 1 block before the next otherwise we might have a problem
3384        // with the L1 Cache of the P4 ... or only a few blocks at a time or soemthing
3385        for(x=0; x<width; x+=BLOCK_SIZE){
3386
3387#if HAVE_MMX2
3388/*
3389            prefetchnta(srcBlock + (((x>>2)&6) + 5)*srcStride + 32);
3390            prefetchnta(srcBlock + (((x>>2)&6) + 6)*srcStride + 32);
3391            prefetcht0(dstBlock + (((x>>2)&6) + 5)*dstStride + 32);
3392            prefetcht0(dstBlock + (((x>>2)&6) + 6)*dstStride + 32);
3393*/
3394
3395            __asm__(
3396                "mov %4, %%"REG_a"              \n\t"
3397                "shr $2, %%"REG_a"              \n\t"
3398                "and $6, %%"REG_a"              \n\t"
3399                "add %5, %%"REG_a"              \n\t"
3400                "mov %%"REG_a", %%"REG_d"       \n\t"
3401                "imul %1, %%"REG_a"             \n\t"
3402                "imul %3, %%"REG_d"             \n\t"
3403                "prefetchnta 32(%%"REG_a", %0)  \n\t"
3404                "prefetcht0 32(%%"REG_d", %2)   \n\t"
3405                "add %1, %%"REG_a"              \n\t"
3406                "add %3, %%"REG_d"              \n\t"
3407                "prefetchnta 32(%%"REG_a", %0)  \n\t"
3408                "prefetcht0 32(%%"REG_d", %2)   \n\t"
3409                :: "r" (srcBlock), "r" ((x86_reg)srcStride), "r" (dstBlock), "r" ((x86_reg)dstStride),
3410                "g" ((x86_reg)x), "g" ((x86_reg)copyAhead)
3411                : "%"REG_a, "%"REG_d
3412            );
3413
3414#elif HAVE_AMD3DNOW
3415//FIXME check if this is faster on an 3dnow chip or if it is faster without the prefetch or ...
3416/*          prefetch(srcBlock + (((x>>3)&3) + 5)*srcStride + 32);
3417            prefetch(srcBlock + (((x>>3)&3) + 9)*srcStride + 32);
3418            prefetchw(dstBlock + (((x>>3)&3) + 5)*dstStride + 32);
3419            prefetchw(dstBlock + (((x>>3)&3) + 9)*dstStride + 32);
3420*/
3421#endif
3422
3423            RENAME(blockCopy)(dstBlock + dstStride*8, dstStride,
3424                              srcBlock + srcStride*8, srcStride, mode & LEVEL_FIX, &c.packedYOffset);
3425
3426            RENAME(duplicate)(dstBlock + dstStride*8, dstStride);
3427
3428            if(mode & LINEAR_IPOL_DEINT_FILTER)
3429                RENAME(deInterlaceInterpolateLinear)(dstBlock, dstStride);
3430            else if(mode & LINEAR_BLEND_DEINT_FILTER)
3431                RENAME(deInterlaceBlendLinear)(dstBlock, dstStride, c.deintTemp + x);
3432            else if(mode & MEDIAN_DEINT_FILTER)
3433                RENAME(deInterlaceMedian)(dstBlock, dstStride);
3434            else if(mode & CUBIC_IPOL_DEINT_FILTER)
3435                RENAME(deInterlaceInterpolateCubic)(dstBlock, dstStride);
3436            else if(mode & FFMPEG_DEINT_FILTER)
3437                RENAME(deInterlaceFF)(dstBlock, dstStride, c.deintTemp + x);
3438            else if(mode & LOWPASS5_DEINT_FILTER)
3439                RENAME(deInterlaceL5)(dstBlock, dstStride, c.deintTemp + x, c.deintTemp + width + x);
3440/*          else if(mode & CUBIC_BLEND_DEINT_FILTER)
3441                RENAME(deInterlaceBlendCubic)(dstBlock, dstStride);
3442*/
3443            dstBlock+=8;
3444            srcBlock+=8;
3445        }
3446        if(width==FFABS(dstStride))
3447            linecpy(dst, tempDst + 9*dstStride, copyAhead, dstStride);
3448        else{
3449            int i;
3450            for(i=0; i<copyAhead; i++){
3451                memcpy(dst + i*dstStride, tempDst + (9+i)*dstStride, width);
3452            }
3453        }
3454    }
3455
3456    for(y=0; y<height; y+=BLOCK_SIZE){
3457        //1% speedup if these are here instead of the inner loop
3458        const uint8_t *srcBlock= &(src[y*srcStride]);
3459        uint8_t *dstBlock= &(dst[y*dstStride]);
3460#if HAVE_MMX
3461        uint8_t *tempBlock1= c.tempBlocks;
3462        uint8_t *tempBlock2= c.tempBlocks + 8;
3463#endif
3464        const int8_t *QPptr= &QPs[(y>>qpVShift)*QPStride];
3465        int8_t *nonBQPptr= &c.nonBQPTable[(y>>qpVShift)*FFABS(QPStride)];
3466        int QP=0;
3467        /* can we mess with a 8x16 block from srcBlock/dstBlock downwards and 1 line upwards
3468           if not than use a temporary buffer */
3469        if(y+15 >= height){
3470            int i;
3471            /* copy from line (copyAhead) to (copyAhead+7) of src, these will be copied with
3472               blockcopy to dst later */
3473            linecpy(tempSrc + srcStride*copyAhead, srcBlock + srcStride*copyAhead,
3474                    FFMAX(height-y-copyAhead, 0), srcStride);
3475
3476            /* duplicate last line of src to fill the void upto line (copyAhead+7) */
3477            for(i=FFMAX(height-y, 8); i<copyAhead+8; i++)
3478                    memcpy(tempSrc + srcStride*i, src + srcStride*(height-1), FFABS(srcStride));
3479
3480            /* copy up to (copyAhead+1) lines of dst (line -1 to (copyAhead-1))*/
3481            linecpy(tempDst, dstBlock - dstStride, FFMIN(height-y+1, copyAhead+1), dstStride);
3482
3483            /* duplicate last line of dst to fill the void upto line (copyAhead) */
3484            for(i=height-y+1; i<=copyAhead; i++)
3485                    memcpy(tempDst + dstStride*i, dst + dstStride*(height-1), FFABS(dstStride));
3486
3487            dstBlock= tempDst + dstStride;
3488            srcBlock= tempSrc;
3489        }
3490
3491        // From this point on it is guaranteed that we can read and write 16 lines downward
3492        // finish 1 block before the next otherwise we might have a problem
3493        // with the L1 Cache of the P4 ... or only a few blocks at a time or soemthing
3494        for(x=0; x<width; x+=BLOCK_SIZE){
3495            const int stride= dstStride;
3496#if HAVE_MMX
3497            uint8_t *tmpXchg;
3498#endif
3499            if(isColor){
3500                QP= QPptr[x>>qpHShift];
3501                c.nonBQP= nonBQPptr[x>>qpHShift];
3502            }else{
3503                QP= QPptr[x>>4];
3504                QP= (QP* QPCorrecture + 256*128)>>16;
3505                c.nonBQP= nonBQPptr[x>>4];
3506                c.nonBQP= (c.nonBQP* QPCorrecture + 256*128)>>16;
3507                yHistogram[ srcBlock[srcStride*12 + 4] ]++;
3508            }
3509            c.QP= QP;
3510#if HAVE_MMX
3511            __asm__ volatile(
3512                "movd %1, %%mm7         \n\t"
3513                "packuswb %%mm7, %%mm7  \n\t" // 0, 0, 0, QP, 0, 0, 0, QP
3514                "packuswb %%mm7, %%mm7  \n\t" // 0,QP, 0, QP, 0,QP, 0, QP
3515                "packuswb %%mm7, %%mm7  \n\t" // QP,..., QP
3516                "movq %%mm7, %0         \n\t"
3517                : "=m" (c.pQPb)
3518                : "r" (QP)
3519            );
3520#endif
3521
3522
3523#if HAVE_MMX2
3524/*
3525            prefetchnta(srcBlock + (((x>>2)&6) + 5)*srcStride + 32);
3526            prefetchnta(srcBlock + (((x>>2)&6) + 6)*srcStride + 32);
3527            prefetcht0(dstBlock + (((x>>2)&6) + 5)*dstStride + 32);
3528            prefetcht0(dstBlock + (((x>>2)&6) + 6)*dstStride + 32);
3529*/
3530
3531            __asm__(
3532                "mov %4, %%"REG_a"              \n\t"
3533                "shr $2, %%"REG_a"              \n\t"
3534                "and $6, %%"REG_a"              \n\t"
3535                "add %5, %%"REG_a"              \n\t"
3536                "mov %%"REG_a", %%"REG_d"       \n\t"
3537                "imul %1, %%"REG_a"             \n\t"
3538                "imul %3, %%"REG_d"             \n\t"
3539                "prefetchnta 32(%%"REG_a", %0)  \n\t"
3540                "prefetcht0 32(%%"REG_d", %2)   \n\t"
3541                "add %1, %%"REG_a"              \n\t"
3542                "add %3, %%"REG_d"              \n\t"
3543                "prefetchnta 32(%%"REG_a", %0)  \n\t"
3544                "prefetcht0 32(%%"REG_d", %2)   \n\t"
3545                :: "r" (srcBlock), "r" ((x86_reg)srcStride), "r" (dstBlock), "r" ((x86_reg)dstStride),
3546                "g" ((x86_reg)x), "g" ((x86_reg)copyAhead)
3547                : "%"REG_a, "%"REG_d
3548            );
3549
3550#elif HAVE_AMD3DNOW
3551//FIXME check if this is faster on an 3dnow chip or if it is faster without the prefetch or ...
3552/*          prefetch(srcBlock + (((x>>3)&3) + 5)*srcStride + 32);
3553            prefetch(srcBlock + (((x>>3)&3) + 9)*srcStride + 32);
3554            prefetchw(dstBlock + (((x>>3)&3) + 5)*dstStride + 32);
3555            prefetchw(dstBlock + (((x>>3)&3) + 9)*dstStride + 32);
3556*/
3557#endif
3558
3559            RENAME(blockCopy)(dstBlock + dstStride*copyAhead, dstStride,
3560                              srcBlock + srcStride*copyAhead, srcStride, mode & LEVEL_FIX, &c.packedYOffset);
3561
3562            if(mode & LINEAR_IPOL_DEINT_FILTER)
3563                RENAME(deInterlaceInterpolateLinear)(dstBlock, dstStride);
3564            else if(mode & LINEAR_BLEND_DEINT_FILTER)
3565                RENAME(deInterlaceBlendLinear)(dstBlock, dstStride, c.deintTemp + x);
3566            else if(mode & MEDIAN_DEINT_FILTER)
3567                RENAME(deInterlaceMedian)(dstBlock, dstStride);
3568            else if(mode & CUBIC_IPOL_DEINT_FILTER)
3569                RENAME(deInterlaceInterpolateCubic)(dstBlock, dstStride);
3570            else if(mode & FFMPEG_DEINT_FILTER)
3571                RENAME(deInterlaceFF)(dstBlock, dstStride, c.deintTemp + x);
3572            else if(mode & LOWPASS5_DEINT_FILTER)
3573                RENAME(deInterlaceL5)(dstBlock, dstStride, c.deintTemp + x, c.deintTemp + width + x);
3574/*          else if(mode & CUBIC_BLEND_DEINT_FILTER)
3575                RENAME(deInterlaceBlendCubic)(dstBlock, dstStride);
3576*/
3577
3578            /* only deblock if we have 2 blocks */
3579            if(y + 8 < height){
3580                if(mode & V_X1_FILTER)
3581                    RENAME(vertX1Filter)(dstBlock, stride, &c);
3582                else if(mode & V_DEBLOCK){
3583                    const int t= RENAME(vertClassify)(dstBlock, stride, &c);
3584
3585                    if(t==1)
3586                        RENAME(doVertLowPass)(dstBlock, stride, &c);
3587                    else if(t==2)
3588                        RENAME(doVertDefFilter)(dstBlock, stride, &c);
3589                }else if(mode & V_A_DEBLOCK){
3590                    RENAME(do_a_deblock)(dstBlock, stride, 1, &c);
3591                }
3592            }
3593
3594#if HAVE_MMX
3595            RENAME(transpose1)(tempBlock1, tempBlock2, dstBlock, dstStride);
3596#endif
3597            /* check if we have a previous block to deblock it with dstBlock */
3598            if(x - 8 >= 0){
3599#if HAVE_MMX
3600                if(mode & H_X1_FILTER)
3601                        RENAME(vertX1Filter)(tempBlock1, 16, &c);
3602                else if(mode & H_DEBLOCK){
3603//START_TIMER
3604                    const int t= RENAME(vertClassify)(tempBlock1, 16, &c);
3605//STOP_TIMER("dc & minmax")
3606                    if(t==1)
3607                        RENAME(doVertLowPass)(tempBlock1, 16, &c);
3608                    else if(t==2)
3609                        RENAME(doVertDefFilter)(tempBlock1, 16, &c);
3610                }else if(mode & H_A_DEBLOCK){
3611                        RENAME(do_a_deblock)(tempBlock1, 16, 1, &c);
3612                }
3613
3614                RENAME(transpose2)(dstBlock-4, dstStride, tempBlock1 + 4*16);
3615
3616#else
3617                if(mode & H_X1_FILTER)
3618                    horizX1Filter(dstBlock-4, stride, QP);
3619                else if(mode & H_DEBLOCK){
3620#if HAVE_ALTIVEC
3621                    DECLARE_ALIGNED(16, unsigned char, tempBlock[272]);
3622                    transpose_16x8_char_toPackedAlign_altivec(tempBlock, dstBlock - (4 + 1), stride);
3623
3624                    const int t=vertClassify_altivec(tempBlock-48, 16, &c);
3625                    if(t==1) {
3626                        doVertLowPass_altivec(tempBlock-48, 16, &c);
3627                        transpose_8x16_char_fromPackedAlign_altivec(dstBlock - (4 + 1), tempBlock, stride);
3628                    }
3629                    else if(t==2) {
3630                        doVertDefFilter_altivec(tempBlock-48, 16, &c);
3631                        transpose_8x16_char_fromPackedAlign_altivec(dstBlock - (4 + 1), tempBlock, stride);
3632                    }
3633#else
3634                    const int t= RENAME(horizClassify)(dstBlock-4, stride, &c);
3635
3636                    if(t==1)
3637                        RENAME(doHorizLowPass)(dstBlock-4, stride, &c);
3638                    else if(t==2)
3639                        RENAME(doHorizDefFilter)(dstBlock-4, stride, &c);
3640#endif
3641                }else if(mode & H_A_DEBLOCK){
3642                    RENAME(do_a_deblock)(dstBlock-8, 1, stride, &c);
3643                }
3644#endif //HAVE_MMX
3645                if(mode & DERING){
3646                //FIXME filter first line
3647                    if(y>0) RENAME(dering)(dstBlock - stride - 8, stride, &c);
3648                }
3649
3650                if(mode & TEMP_NOISE_FILTER)
3651                {
3652                    RENAME(tempNoiseReducer)(dstBlock-8, stride,
3653                            c.tempBlurred[isColor] + y*dstStride + x,
3654                            c.tempBlurredPast[isColor] + (y>>3)*256 + (x>>3),
3655                            c.ppMode.maxTmpNoise);
3656                }
3657            }
3658
3659            dstBlock+=8;
3660            srcBlock+=8;
3661
3662#if HAVE_MMX
3663            tmpXchg= tempBlock1;
3664            tempBlock1= tempBlock2;
3665            tempBlock2 = tmpXchg;
3666#endif
3667        }
3668
3669        if(mode & DERING){
3670            if(y > 0) RENAME(dering)(dstBlock - dstStride - 8, dstStride, &c);
3671        }
3672
3673        if((mode & TEMP_NOISE_FILTER)){
3674            RENAME(tempNoiseReducer)(dstBlock-8, dstStride,
3675                    c.tempBlurred[isColor] + y*dstStride + x,
3676                    c.tempBlurredPast[isColor] + (y>>3)*256 + (x>>3),
3677                    c.ppMode.maxTmpNoise);
3678        }
3679
3680        /* did we use a tmp buffer for the last lines*/
3681        if(y+15 >= height){
3682            uint8_t *dstBlock= &(dst[y*dstStride]);
3683            if(width==FFABS(dstStride))
3684                linecpy(dstBlock, tempDst + dstStride, height-y, dstStride);
3685            else{
3686                int i;
3687                for(i=0; i<height-y; i++){
3688                    memcpy(dstBlock + i*dstStride, tempDst + (i+1)*dstStride, width);
3689                }
3690            }
3691        }
3692/*
3693        for(x=0; x<width; x+=32){
3694            volatile int i;
3695            i+= + dstBlock[x + 7*dstStride] + dstBlock[x + 8*dstStride]
3696                + dstBlock[x + 9*dstStride] + dstBlock[x +10*dstStride]
3697                + dstBlock[x +11*dstStride] + dstBlock[x +12*dstStride];
3698                + dstBlock[x +13*dstStride]
3699                + dstBlock[x +14*dstStride] + dstBlock[x +15*dstStride];
3700        }*/
3701    }
3702#if   HAVE_AMD3DNOW
3703    __asm__ volatile("femms");
3704#elif HAVE_MMX
3705    __asm__ volatile("emms");
3706#endif
3707
3708#ifdef DEBUG_BRIGHTNESS
3709    if(!isColor){
3710        int max=1;
3711        int i;
3712        for(i=0; i<256; i++)
3713            if(yHistogram[i] > max) max=yHistogram[i];
3714
3715        for(i=1; i<256; i++){
3716            int x;
3717            int start=yHistogram[i-1]/(max/256+1);
3718            int end=yHistogram[i]/(max/256+1);
3719            int inc= end > start ? 1 : -1;
3720            for(x=start; x!=end+inc; x+=inc)
3721                dst[ i*dstStride + x]+=128;
3722        }
3723
3724        for(i=0; i<100; i+=2){
3725            dst[ (white)*dstStride + i]+=128;
3726            dst[ (black)*dstStride + i]+=128;
3727        }
3728    }
3729#endif
3730
3731    *c2= c; //copy local context back
3732
3733}
3734