Remove unused variable, fixes the warning:
[ffmpeg.git] / libswscale / swscale_template.c
1 /*
2  * Copyright (C) 2001-2003 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  * The C code (not assembly, MMX, ...) of this file can be used
21  * under the LGPL license.
22  */
23
24 #undef REAL_MOVNTQ
25 #undef MOVNTQ
26 #undef PAVGB
27 #undef PREFETCH
28 #undef PREFETCHW
29
30 #if COMPILE_TEMPLATE_AMD3DNOW
31 #define PREFETCH  "prefetch"
32 #define PREFETCHW "prefetchw"
33 #elif COMPILE_TEMPLATE_MMX2
34 #define PREFETCH "prefetchnta"
35 #define PREFETCHW "prefetcht0"
36 #else
37 #define PREFETCH  " # nop"
38 #define PREFETCHW " # nop"
39 #endif
40
41 #if COMPILE_TEMPLATE_MMX2
42 #define PAVGB(a,b) "pavgb " #a ", " #b " \n\t"
43 #elif COMPILE_TEMPLATE_AMD3DNOW
44 #define PAVGB(a,b) "pavgusb " #a ", " #b " \n\t"
45 #endif
46
47 #if COMPILE_TEMPLATE_MMX2
48 #define REAL_MOVNTQ(a,b) "movntq " #a ", " #b " \n\t"
49 #else
50 #define REAL_MOVNTQ(a,b) "movq " #a ", " #b " \n\t"
51 #endif
52 #define MOVNTQ(a,b)  REAL_MOVNTQ(a,b)
53
54 #if COMPILE_TEMPLATE_ALTIVEC
55 #include "ppc/swscale_altivec_template.c"
56 #endif
57
58 #define YSCALEYUV2YV12X(x, offset, dest, width) \
59     __asm__ volatile(\
60         "xor                          %%"REG_a", %%"REG_a"  \n\t"\
61         "movq             "VROUNDER_OFFSET"(%0), %%mm3      \n\t"\
62         "movq                             %%mm3, %%mm4      \n\t"\
63         "lea                     " offset "(%0), %%"REG_d"  \n\t"\
64         "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
65         ASMALIGN(4) /* FIXME Unroll? */\
66         "1:                                                 \n\t"\
67         "movq                      8(%%"REG_d"), %%mm0      \n\t" /* filterCoeff */\
68         "movq   "  x "(%%"REG_S", %%"REG_a", 2), %%mm2      \n\t" /* srcData */\
69         "movq 8+"  x "(%%"REG_S", %%"REG_a", 2), %%mm5      \n\t" /* srcData */\
70         "add                                $16, %%"REG_d"  \n\t"\
71         "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
72         "test                         %%"REG_S", %%"REG_S"  \n\t"\
73         "pmulhw                           %%mm0, %%mm2      \n\t"\
74         "pmulhw                           %%mm0, %%mm5      \n\t"\
75         "paddw                            %%mm2, %%mm3      \n\t"\
76         "paddw                            %%mm5, %%mm4      \n\t"\
77         " jnz                                1b             \n\t"\
78         "psraw                               $3, %%mm3      \n\t"\
79         "psraw                               $3, %%mm4      \n\t"\
80         "packuswb                         %%mm4, %%mm3      \n\t"\
81         MOVNTQ(%%mm3, (%1, %%REGa))\
82         "add                                 $8, %%"REG_a"  \n\t"\
83         "cmp                                 %2, %%"REG_a"  \n\t"\
84         "movq             "VROUNDER_OFFSET"(%0), %%mm3      \n\t"\
85         "movq                             %%mm3, %%mm4      \n\t"\
86         "lea                     " offset "(%0), %%"REG_d"  \n\t"\
87         "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
88         "jb                                  1b             \n\t"\
89         :: "r" (&c->redDither),\
90         "r" (dest), "g" (width)\
91         : "%"REG_a, "%"REG_d, "%"REG_S\
92     );
93
94 #define YSCALEYUV2YV12X_ACCURATE(x, offset, dest, width) \
95     __asm__ volatile(\
96         "lea                     " offset "(%0), %%"REG_d"  \n\t"\
97         "xor                          %%"REG_a", %%"REG_a"  \n\t"\
98         "pxor                             %%mm4, %%mm4      \n\t"\
99         "pxor                             %%mm5, %%mm5      \n\t"\
100         "pxor                             %%mm6, %%mm6      \n\t"\
101         "pxor                             %%mm7, %%mm7      \n\t"\
102         "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
103         ASMALIGN(4) \
104         "1:                                                 \n\t"\
105         "movq   "  x "(%%"REG_S", %%"REG_a", 2), %%mm0      \n\t" /* srcData */\
106         "movq 8+"  x "(%%"REG_S", %%"REG_a", 2), %%mm2      \n\t" /* srcData */\
107         "mov        "STR(APCK_PTR2)"(%%"REG_d"), %%"REG_S"  \n\t"\
108         "movq   "  x "(%%"REG_S", %%"REG_a", 2), %%mm1      \n\t" /* srcData */\
109         "movq                             %%mm0, %%mm3      \n\t"\
110         "punpcklwd                        %%mm1, %%mm0      \n\t"\
111         "punpckhwd                        %%mm1, %%mm3      \n\t"\
112         "movq       "STR(APCK_COEF)"(%%"REG_d"), %%mm1      \n\t" /* filterCoeff */\
113         "pmaddwd                          %%mm1, %%mm0      \n\t"\
114         "pmaddwd                          %%mm1, %%mm3      \n\t"\
115         "paddd                            %%mm0, %%mm4      \n\t"\
116         "paddd                            %%mm3, %%mm5      \n\t"\
117         "movq 8+"  x "(%%"REG_S", %%"REG_a", 2), %%mm3      \n\t" /* srcData */\
118         "mov        "STR(APCK_SIZE)"(%%"REG_d"), %%"REG_S"  \n\t"\
119         "add                  $"STR(APCK_SIZE)", %%"REG_d"  \n\t"\
120         "test                         %%"REG_S", %%"REG_S"  \n\t"\
121         "movq                             %%mm2, %%mm0      \n\t"\
122         "punpcklwd                        %%mm3, %%mm2      \n\t"\
123         "punpckhwd                        %%mm3, %%mm0      \n\t"\
124         "pmaddwd                          %%mm1, %%mm2      \n\t"\
125         "pmaddwd                          %%mm1, %%mm0      \n\t"\
126         "paddd                            %%mm2, %%mm6      \n\t"\
127         "paddd                            %%mm0, %%mm7      \n\t"\
128         " jnz                                1b             \n\t"\
129         "psrad                              $16, %%mm4      \n\t"\
130         "psrad                              $16, %%mm5      \n\t"\
131         "psrad                              $16, %%mm6      \n\t"\
132         "psrad                              $16, %%mm7      \n\t"\
133         "movq             "VROUNDER_OFFSET"(%0), %%mm0      \n\t"\
134         "packssdw                         %%mm5, %%mm4      \n\t"\
135         "packssdw                         %%mm7, %%mm6      \n\t"\
136         "paddw                            %%mm0, %%mm4      \n\t"\
137         "paddw                            %%mm0, %%mm6      \n\t"\
138         "psraw                               $3, %%mm4      \n\t"\
139         "psraw                               $3, %%mm6      \n\t"\
140         "packuswb                         %%mm6, %%mm4      \n\t"\
141         MOVNTQ(%%mm4, (%1, %%REGa))\
142         "add                                 $8, %%"REG_a"  \n\t"\
143         "cmp                                 %2, %%"REG_a"  \n\t"\
144         "lea                     " offset "(%0), %%"REG_d"  \n\t"\
145         "pxor                             %%mm4, %%mm4      \n\t"\
146         "pxor                             %%mm5, %%mm5      \n\t"\
147         "pxor                             %%mm6, %%mm6      \n\t"\
148         "pxor                             %%mm7, %%mm7      \n\t"\
149         "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
150         "jb                                  1b             \n\t"\
151         :: "r" (&c->redDither),\
152         "r" (dest), "g" (width)\
153         : "%"REG_a, "%"REG_d, "%"REG_S\
154     );
155
156 #define YSCALEYUV2YV121 \
157     "mov %2, %%"REG_a"                    \n\t"\
158     ASMALIGN(4) /* FIXME Unroll? */\
159     "1:                                   \n\t"\
160     "movq  (%0, %%"REG_a", 2), %%mm0      \n\t"\
161     "movq 8(%0, %%"REG_a", 2), %%mm1      \n\t"\
162     "psraw                 $7, %%mm0      \n\t"\
163     "psraw                 $7, %%mm1      \n\t"\
164     "packuswb           %%mm1, %%mm0      \n\t"\
165     MOVNTQ(%%mm0, (%1, %%REGa))\
166     "add                   $8, %%"REG_a"  \n\t"\
167     "jnc                   1b             \n\t"
168
169 #define YSCALEYUV2YV121_ACCURATE \
170     "mov %2, %%"REG_a"                    \n\t"\
171     "pcmpeqw %%mm7, %%mm7                 \n\t"\
172     "psrlw                 $15, %%mm7     \n\t"\
173     "psllw                  $6, %%mm7     \n\t"\
174     ASMALIGN(4) /* FIXME Unroll? */\
175     "1:                                   \n\t"\
176     "movq  (%0, %%"REG_a", 2), %%mm0      \n\t"\
177     "movq 8(%0, %%"REG_a", 2), %%mm1      \n\t"\
178     "paddsw             %%mm7, %%mm0      \n\t"\
179     "paddsw             %%mm7, %%mm1      \n\t"\
180     "psraw                 $7, %%mm0      \n\t"\
181     "psraw                 $7, %%mm1      \n\t"\
182     "packuswb           %%mm1, %%mm0      \n\t"\
183     MOVNTQ(%%mm0, (%1, %%REGa))\
184     "add                   $8, %%"REG_a"  \n\t"\
185     "jnc                   1b             \n\t"
186
187 /*
188     :: "m" (-lumFilterSize), "m" (-chrFilterSize),
189        "m" (lumMmxFilter+lumFilterSize*4), "m" (chrMmxFilter+chrFilterSize*4),
190        "r" (dest), "m" (dstW),
191        "m" (lumSrc+lumFilterSize), "m" (chrSrc+chrFilterSize)
192     : "%eax", "%ebx", "%ecx", "%edx", "%esi"
193 */
194 #define YSCALEYUV2PACKEDX_UV \
195     __asm__ volatile(\
196         "xor                   %%"REG_a", %%"REG_a"     \n\t"\
197         ASMALIGN(4)\
198         "nop                                            \n\t"\
199         "1:                                             \n\t"\
200         "lea "CHR_MMX_FILTER_OFFSET"(%0), %%"REG_d"     \n\t"\
201         "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
202         "movq      "VROUNDER_OFFSET"(%0), %%mm3         \n\t"\
203         "movq                      %%mm3, %%mm4         \n\t"\
204         ASMALIGN(4)\
205         "2:                                             \n\t"\
206         "movq               8(%%"REG_d"), %%mm0         \n\t" /* filterCoeff */\
207         "movq     (%%"REG_S", %%"REG_a"), %%mm2         \n\t" /* UsrcData */\
208         "movq "AV_STRINGIFY(VOF)"(%%"REG_S", %%"REG_a"), %%mm5         \n\t" /* VsrcData */\
209         "add                         $16, %%"REG_d"     \n\t"\
210         "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
211         "pmulhw                    %%mm0, %%mm2         \n\t"\
212         "pmulhw                    %%mm0, %%mm5         \n\t"\
213         "paddw                     %%mm2, %%mm3         \n\t"\
214         "paddw                     %%mm5, %%mm4         \n\t"\
215         "test                  %%"REG_S", %%"REG_S"     \n\t"\
216         " jnz                         2b                \n\t"\
217
218 #define YSCALEYUV2PACKEDX_YA(offset,coeff,src1,src2,dst1,dst2) \
219     "lea                "offset"(%0), %%"REG_d"     \n\t"\
220     "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
221     "movq      "VROUNDER_OFFSET"(%0), "#dst1"       \n\t"\
222     "movq                    "#dst1", "#dst2"       \n\t"\
223     ASMALIGN(4)\
224     "2:                                             \n\t"\
225     "movq               8(%%"REG_d"), "#coeff"      \n\t" /* filterCoeff */\
226     "movq  (%%"REG_S", %%"REG_a", 2), "#src1"       \n\t" /* Y1srcData */\
227     "movq 8(%%"REG_S", %%"REG_a", 2), "#src2"       \n\t" /* Y2srcData */\
228     "add                         $16, %%"REG_d"            \n\t"\
229     "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
230     "pmulhw                 "#coeff", "#src1"       \n\t"\
231     "pmulhw                 "#coeff", "#src2"       \n\t"\
232     "paddw                   "#src1", "#dst1"       \n\t"\
233     "paddw                   "#src2", "#dst2"       \n\t"\
234     "test                  %%"REG_S", %%"REG_S"     \n\t"\
235     " jnz                         2b                \n\t"\
236
237 #define YSCALEYUV2PACKEDX \
238     YSCALEYUV2PACKEDX_UV \
239     YSCALEYUV2PACKEDX_YA(LUM_MMX_FILTER_OFFSET,%%mm0,%%mm2,%%mm5,%%mm1,%%mm7) \
240
241 #define YSCALEYUV2PACKEDX_END                     \
242         :: "r" (&c->redDither),                   \
243             "m" (dummy), "m" (dummy), "m" (dummy),\
244             "r" (dest), "m" (dstW)                \
245         : "%"REG_a, "%"REG_d, "%"REG_S            \
246     );
247
248 #define YSCALEYUV2PACKEDX_ACCURATE_UV \
249     __asm__ volatile(\
250         "xor %%"REG_a", %%"REG_a"                       \n\t"\
251         ASMALIGN(4)\
252         "nop                                            \n\t"\
253         "1:                                             \n\t"\
254         "lea "CHR_MMX_FILTER_OFFSET"(%0), %%"REG_d"     \n\t"\
255         "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
256         "pxor                      %%mm4, %%mm4         \n\t"\
257         "pxor                      %%mm5, %%mm5         \n\t"\
258         "pxor                      %%mm6, %%mm6         \n\t"\
259         "pxor                      %%mm7, %%mm7         \n\t"\
260         ASMALIGN(4)\
261         "2:                                             \n\t"\
262         "movq     (%%"REG_S", %%"REG_a"), %%mm0         \n\t" /* UsrcData */\
263         "movq "AV_STRINGIFY(VOF)"(%%"REG_S", %%"REG_a"), %%mm2         \n\t" /* VsrcData */\
264         "mov "STR(APCK_PTR2)"(%%"REG_d"), %%"REG_S"     \n\t"\
265         "movq     (%%"REG_S", %%"REG_a"), %%mm1         \n\t" /* UsrcData */\
266         "movq                      %%mm0, %%mm3         \n\t"\
267         "punpcklwd                 %%mm1, %%mm0         \n\t"\
268         "punpckhwd                 %%mm1, %%mm3         \n\t"\
269         "movq "STR(APCK_COEF)"(%%"REG_d"),%%mm1         \n\t" /* filterCoeff */\
270         "pmaddwd                   %%mm1, %%mm0         \n\t"\
271         "pmaddwd                   %%mm1, %%mm3         \n\t"\
272         "paddd                     %%mm0, %%mm4         \n\t"\
273         "paddd                     %%mm3, %%mm5         \n\t"\
274         "movq "AV_STRINGIFY(VOF)"(%%"REG_S", %%"REG_a"), %%mm3         \n\t" /* VsrcData */\
275         "mov "STR(APCK_SIZE)"(%%"REG_d"), %%"REG_S"     \n\t"\
276         "add           $"STR(APCK_SIZE)", %%"REG_d"     \n\t"\
277         "test                  %%"REG_S", %%"REG_S"     \n\t"\
278         "movq                      %%mm2, %%mm0         \n\t"\
279         "punpcklwd                 %%mm3, %%mm2         \n\t"\
280         "punpckhwd                 %%mm3, %%mm0         \n\t"\
281         "pmaddwd                   %%mm1, %%mm2         \n\t"\
282         "pmaddwd                   %%mm1, %%mm0         \n\t"\
283         "paddd                     %%mm2, %%mm6         \n\t"\
284         "paddd                     %%mm0, %%mm7         \n\t"\
285         " jnz                         2b                \n\t"\
286         "psrad                       $16, %%mm4         \n\t"\
287         "psrad                       $16, %%mm5         \n\t"\
288         "psrad                       $16, %%mm6         \n\t"\
289         "psrad                       $16, %%mm7         \n\t"\
290         "movq      "VROUNDER_OFFSET"(%0), %%mm0         \n\t"\
291         "packssdw                  %%mm5, %%mm4         \n\t"\
292         "packssdw                  %%mm7, %%mm6         \n\t"\
293         "paddw                     %%mm0, %%mm4         \n\t"\
294         "paddw                     %%mm0, %%mm6         \n\t"\
295         "movq                      %%mm4, "U_TEMP"(%0)  \n\t"\
296         "movq                      %%mm6, "V_TEMP"(%0)  \n\t"\
297
298 #define YSCALEYUV2PACKEDX_ACCURATE_YA(offset) \
299     "lea                "offset"(%0), %%"REG_d"     \n\t"\
300     "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
301     "pxor                      %%mm1, %%mm1         \n\t"\
302     "pxor                      %%mm5, %%mm5         \n\t"\
303     "pxor                      %%mm7, %%mm7         \n\t"\
304     "pxor                      %%mm6, %%mm6         \n\t"\
305     ASMALIGN(4)\
306     "2:                                             \n\t"\
307     "movq  (%%"REG_S", %%"REG_a", 2), %%mm0         \n\t" /* Y1srcData */\
308     "movq 8(%%"REG_S", %%"REG_a", 2), %%mm2         \n\t" /* Y2srcData */\
309     "mov "STR(APCK_PTR2)"(%%"REG_d"), %%"REG_S"     \n\t"\
310     "movq  (%%"REG_S", %%"REG_a", 2), %%mm4         \n\t" /* Y1srcData */\
311     "movq                      %%mm0, %%mm3         \n\t"\
312     "punpcklwd                 %%mm4, %%mm0         \n\t"\
313     "punpckhwd                 %%mm4, %%mm3         \n\t"\
314     "movq "STR(APCK_COEF)"(%%"REG_d"), %%mm4         \n\t" /* filterCoeff */\
315     "pmaddwd                   %%mm4, %%mm0         \n\t"\
316     "pmaddwd                   %%mm4, %%mm3         \n\t"\
317     "paddd                     %%mm0, %%mm1         \n\t"\
318     "paddd                     %%mm3, %%mm5         \n\t"\
319     "movq 8(%%"REG_S", %%"REG_a", 2), %%mm3         \n\t" /* Y2srcData */\
320     "mov "STR(APCK_SIZE)"(%%"REG_d"), %%"REG_S"     \n\t"\
321     "add           $"STR(APCK_SIZE)", %%"REG_d"     \n\t"\
322     "test                  %%"REG_S", %%"REG_S"     \n\t"\
323     "movq                      %%mm2, %%mm0         \n\t"\
324     "punpcklwd                 %%mm3, %%mm2         \n\t"\
325     "punpckhwd                 %%mm3, %%mm0         \n\t"\
326     "pmaddwd                   %%mm4, %%mm2         \n\t"\
327     "pmaddwd                   %%mm4, %%mm0         \n\t"\
328     "paddd                     %%mm2, %%mm7         \n\t"\
329     "paddd                     %%mm0, %%mm6         \n\t"\
330     " jnz                         2b                \n\t"\
331     "psrad                       $16, %%mm1         \n\t"\
332     "psrad                       $16, %%mm5         \n\t"\
333     "psrad                       $16, %%mm7         \n\t"\
334     "psrad                       $16, %%mm6         \n\t"\
335     "movq      "VROUNDER_OFFSET"(%0), %%mm0         \n\t"\
336     "packssdw                  %%mm5, %%mm1         \n\t"\
337     "packssdw                  %%mm6, %%mm7         \n\t"\
338     "paddw                     %%mm0, %%mm1         \n\t"\
339     "paddw                     %%mm0, %%mm7         \n\t"\
340     "movq               "U_TEMP"(%0), %%mm3         \n\t"\
341     "movq               "V_TEMP"(%0), %%mm4         \n\t"\
342
343 #define YSCALEYUV2PACKEDX_ACCURATE \
344     YSCALEYUV2PACKEDX_ACCURATE_UV \
345     YSCALEYUV2PACKEDX_ACCURATE_YA(LUM_MMX_FILTER_OFFSET)
346
347 #define YSCALEYUV2RGBX \
348     "psubw  "U_OFFSET"(%0), %%mm3       \n\t" /* (U-128)8*/\
349     "psubw  "V_OFFSET"(%0), %%mm4       \n\t" /* (V-128)8*/\
350     "movq            %%mm3, %%mm2       \n\t" /* (U-128)8*/\
351     "movq            %%mm4, %%mm5       \n\t" /* (V-128)8*/\
352     "pmulhw "UG_COEFF"(%0), %%mm3       \n\t"\
353     "pmulhw "VG_COEFF"(%0), %%mm4       \n\t"\
354     /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
355     "pmulhw "UB_COEFF"(%0), %%mm2       \n\t"\
356     "pmulhw "VR_COEFF"(%0), %%mm5       \n\t"\
357     "psubw  "Y_OFFSET"(%0), %%mm1       \n\t" /* 8(Y-16)*/\
358     "psubw  "Y_OFFSET"(%0), %%mm7       \n\t" /* 8(Y-16)*/\
359     "pmulhw  "Y_COEFF"(%0), %%mm1       \n\t"\
360     "pmulhw  "Y_COEFF"(%0), %%mm7       \n\t"\
361     /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
362     "paddw           %%mm3, %%mm4       \n\t"\
363     "movq            %%mm2, %%mm0       \n\t"\
364     "movq            %%mm5, %%mm6       \n\t"\
365     "movq            %%mm4, %%mm3       \n\t"\
366     "punpcklwd       %%mm2, %%mm2       \n\t"\
367     "punpcklwd       %%mm5, %%mm5       \n\t"\
368     "punpcklwd       %%mm4, %%mm4       \n\t"\
369     "paddw           %%mm1, %%mm2       \n\t"\
370     "paddw           %%mm1, %%mm5       \n\t"\
371     "paddw           %%mm1, %%mm4       \n\t"\
372     "punpckhwd       %%mm0, %%mm0       \n\t"\
373     "punpckhwd       %%mm6, %%mm6       \n\t"\
374     "punpckhwd       %%mm3, %%mm3       \n\t"\
375     "paddw           %%mm7, %%mm0       \n\t"\
376     "paddw           %%mm7, %%mm6       \n\t"\
377     "paddw           %%mm7, %%mm3       \n\t"\
378     /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
379     "packuswb        %%mm0, %%mm2       \n\t"\
380     "packuswb        %%mm6, %%mm5       \n\t"\
381     "packuswb        %%mm3, %%mm4       \n\t"\
382
383 #define REAL_YSCALEYUV2PACKED(index, c) \
384     "movq "CHR_MMX_FILTER_OFFSET"+8("#c"), %%mm0              \n\t"\
385     "movq "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm1              \n\t"\
386     "psraw                $3, %%mm0                           \n\t"\
387     "psraw                $3, %%mm1                           \n\t"\
388     "movq              %%mm0, "CHR_MMX_FILTER_OFFSET"+8("#c") \n\t"\
389     "movq              %%mm1, "LUM_MMX_FILTER_OFFSET"+8("#c") \n\t"\
390     "xor            "#index", "#index"                        \n\t"\
391     ASMALIGN(4)\
392     "1:                                 \n\t"\
393     "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
394     "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
395     "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
396     "movq "AV_STRINGIFY(VOF)"(%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\
397     "psubw             %%mm3, %%mm2     \n\t" /* uvbuf0[eax] - uvbuf1[eax]*/\
398     "psubw             %%mm4, %%mm5     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048]*/\
399     "movq "CHR_MMX_FILTER_OFFSET"+8("#c"), %%mm0    \n\t"\
400     "pmulhw            %%mm0, %%mm2     \n\t" /* (uvbuf0[eax] - uvbuf1[eax])uvalpha1>>16*/\
401     "pmulhw            %%mm0, %%mm5     \n\t" /* (uvbuf0[eax+2048] - uvbuf1[eax+2048])uvalpha1>>16*/\
402     "psraw                $7, %%mm3     \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
403     "psraw                $7, %%mm4     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
404     "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax]uvalpha1 - uvbuf1[eax](1-uvalpha1)*/\
405     "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048]uvalpha1 - uvbuf1[eax+2048](1-uvalpha1)*/\
406     "movq  (%0, "#index", 2), %%mm0     \n\t" /*buf0[eax]*/\
407     "movq  (%1, "#index", 2), %%mm1     \n\t" /*buf1[eax]*/\
408     "movq 8(%0, "#index", 2), %%mm6     \n\t" /*buf0[eax]*/\
409     "movq 8(%1, "#index", 2), %%mm7     \n\t" /*buf1[eax]*/\
410     "psubw             %%mm1, %%mm0     \n\t" /* buf0[eax] - buf1[eax]*/\
411     "psubw             %%mm7, %%mm6     \n\t" /* buf0[eax] - buf1[eax]*/\
412     "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm0  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
413     "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm6  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
414     "psraw                $7, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
415     "psraw                $7, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
416     "paddw             %%mm0, %%mm1     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
417     "paddw             %%mm6, %%mm7     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
418
419 #define YSCALEYUV2PACKED(index, c)  REAL_YSCALEYUV2PACKED(index, c)
420
421 #define REAL_YSCALEYUV2RGB_UV(index, c) \
422     "xor            "#index", "#index"  \n\t"\
423     ASMALIGN(4)\
424     "1:                                 \n\t"\
425     "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
426     "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
427     "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
428     "movq "AV_STRINGIFY(VOF)"(%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\
429     "psubw             %%mm3, %%mm2     \n\t" /* uvbuf0[eax] - uvbuf1[eax]*/\
430     "psubw             %%mm4, %%mm5     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048]*/\
431     "movq "CHR_MMX_FILTER_OFFSET"+8("#c"), %%mm0    \n\t"\
432     "pmulhw            %%mm0, %%mm2     \n\t" /* (uvbuf0[eax] - uvbuf1[eax])uvalpha1>>16*/\
433     "pmulhw            %%mm0, %%mm5     \n\t" /* (uvbuf0[eax+2048] - uvbuf1[eax+2048])uvalpha1>>16*/\
434     "psraw                $4, %%mm3     \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
435     "psraw                $4, %%mm4     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
436     "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax]uvalpha1 - uvbuf1[eax](1-uvalpha1)*/\
437     "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048]uvalpha1 - uvbuf1[eax+2048](1-uvalpha1)*/\
438     "psubw  "U_OFFSET"("#c"), %%mm3     \n\t" /* (U-128)8*/\
439     "psubw  "V_OFFSET"("#c"), %%mm4     \n\t" /* (V-128)8*/\
440     "movq              %%mm3, %%mm2     \n\t" /* (U-128)8*/\
441     "movq              %%mm4, %%mm5     \n\t" /* (V-128)8*/\
442     "pmulhw "UG_COEFF"("#c"), %%mm3     \n\t"\
443     "pmulhw "VG_COEFF"("#c"), %%mm4     \n\t"\
444     /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
445
446 #define REAL_YSCALEYUV2RGB_YA(index, c, b1, b2) \
447     "movq  ("#b1", "#index", 2), %%mm0     \n\t" /*buf0[eax]*/\
448     "movq  ("#b2", "#index", 2), %%mm1     \n\t" /*buf1[eax]*/\
449     "movq 8("#b1", "#index", 2), %%mm6     \n\t" /*buf0[eax]*/\
450     "movq 8("#b2", "#index", 2), %%mm7     \n\t" /*buf1[eax]*/\
451     "psubw             %%mm1, %%mm0     \n\t" /* buf0[eax] - buf1[eax]*/\
452     "psubw             %%mm7, %%mm6     \n\t" /* buf0[eax] - buf1[eax]*/\
453     "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm0  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
454     "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm6  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
455     "psraw                $4, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
456     "psraw                $4, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
457     "paddw             %%mm0, %%mm1     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
458     "paddw             %%mm6, %%mm7     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
459
460 #define REAL_YSCALEYUV2RGB_COEFF(c) \
461     "pmulhw "UB_COEFF"("#c"), %%mm2     \n\t"\
462     "pmulhw "VR_COEFF"("#c"), %%mm5     \n\t"\
463     "psubw  "Y_OFFSET"("#c"), %%mm1     \n\t" /* 8(Y-16)*/\
464     "psubw  "Y_OFFSET"("#c"), %%mm7     \n\t" /* 8(Y-16)*/\
465     "pmulhw  "Y_COEFF"("#c"), %%mm1     \n\t"\
466     "pmulhw  "Y_COEFF"("#c"), %%mm7     \n\t"\
467     /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
468     "paddw             %%mm3, %%mm4     \n\t"\
469     "movq              %%mm2, %%mm0     \n\t"\
470     "movq              %%mm5, %%mm6     \n\t"\
471     "movq              %%mm4, %%mm3     \n\t"\
472     "punpcklwd         %%mm2, %%mm2     \n\t"\
473     "punpcklwd         %%mm5, %%mm5     \n\t"\
474     "punpcklwd         %%mm4, %%mm4     \n\t"\
475     "paddw             %%mm1, %%mm2     \n\t"\
476     "paddw             %%mm1, %%mm5     \n\t"\
477     "paddw             %%mm1, %%mm4     \n\t"\
478     "punpckhwd         %%mm0, %%mm0     \n\t"\
479     "punpckhwd         %%mm6, %%mm6     \n\t"\
480     "punpckhwd         %%mm3, %%mm3     \n\t"\
481     "paddw             %%mm7, %%mm0     \n\t"\
482     "paddw             %%mm7, %%mm6     \n\t"\
483     "paddw             %%mm7, %%mm3     \n\t"\
484     /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
485     "packuswb          %%mm0, %%mm2     \n\t"\
486     "packuswb          %%mm6, %%mm5     \n\t"\
487     "packuswb          %%mm3, %%mm4     \n\t"\
488
489 #define YSCALEYUV2RGB_YA(index, c, b1, b2) REAL_YSCALEYUV2RGB_YA(index, c, b1, b2)
490
491 #define YSCALEYUV2RGB(index, c) \
492     REAL_YSCALEYUV2RGB_UV(index, c) \
493     REAL_YSCALEYUV2RGB_YA(index, c, %0, %1) \
494     REAL_YSCALEYUV2RGB_COEFF(c)
495
496 #define REAL_YSCALEYUV2PACKED1(index, c) \
497     "xor            "#index", "#index"  \n\t"\
498     ASMALIGN(4)\
499     "1:                                 \n\t"\
500     "movq     (%2, "#index"), %%mm3     \n\t" /* uvbuf0[eax]*/\
501     "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm4     \n\t" /* uvbuf0[eax+2048]*/\
502     "psraw                $7, %%mm3     \n\t" \
503     "psraw                $7, %%mm4     \n\t" \
504     "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\
505     "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\
506     "psraw                $7, %%mm1     \n\t" \
507     "psraw                $7, %%mm7     \n\t" \
508
509 #define YSCALEYUV2PACKED1(index, c)  REAL_YSCALEYUV2PACKED1(index, c)
510
511 #define REAL_YSCALEYUV2RGB1(index, c) \
512     "xor            "#index", "#index"  \n\t"\
513     ASMALIGN(4)\
514     "1:                                 \n\t"\
515     "movq     (%2, "#index"), %%mm3     \n\t" /* uvbuf0[eax]*/\
516     "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm4     \n\t" /* uvbuf0[eax+2048]*/\
517     "psraw                $4, %%mm3     \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
518     "psraw                $4, %%mm4     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
519     "psubw  "U_OFFSET"("#c"), %%mm3     \n\t" /* (U-128)8*/\
520     "psubw  "V_OFFSET"("#c"), %%mm4     \n\t" /* (V-128)8*/\
521     "movq              %%mm3, %%mm2     \n\t" /* (U-128)8*/\
522     "movq              %%mm4, %%mm5     \n\t" /* (V-128)8*/\
523     "pmulhw "UG_COEFF"("#c"), %%mm3     \n\t"\
524     "pmulhw "VG_COEFF"("#c"), %%mm4     \n\t"\
525     /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
526     "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\
527     "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\
528     "psraw                $4, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
529     "psraw                $4, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
530     "pmulhw "UB_COEFF"("#c"), %%mm2     \n\t"\
531     "pmulhw "VR_COEFF"("#c"), %%mm5     \n\t"\
532     "psubw  "Y_OFFSET"("#c"), %%mm1     \n\t" /* 8(Y-16)*/\
533     "psubw  "Y_OFFSET"("#c"), %%mm7     \n\t" /* 8(Y-16)*/\
534     "pmulhw  "Y_COEFF"("#c"), %%mm1     \n\t"\
535     "pmulhw  "Y_COEFF"("#c"), %%mm7     \n\t"\
536     /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
537     "paddw             %%mm3, %%mm4     \n\t"\
538     "movq              %%mm2, %%mm0     \n\t"\
539     "movq              %%mm5, %%mm6     \n\t"\
540     "movq              %%mm4, %%mm3     \n\t"\
541     "punpcklwd         %%mm2, %%mm2     \n\t"\
542     "punpcklwd         %%mm5, %%mm5     \n\t"\
543     "punpcklwd         %%mm4, %%mm4     \n\t"\
544     "paddw             %%mm1, %%mm2     \n\t"\
545     "paddw             %%mm1, %%mm5     \n\t"\
546     "paddw             %%mm1, %%mm4     \n\t"\
547     "punpckhwd         %%mm0, %%mm0     \n\t"\
548     "punpckhwd         %%mm6, %%mm6     \n\t"\
549     "punpckhwd         %%mm3, %%mm3     \n\t"\
550     "paddw             %%mm7, %%mm0     \n\t"\
551     "paddw             %%mm7, %%mm6     \n\t"\
552     "paddw             %%mm7, %%mm3     \n\t"\
553     /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
554     "packuswb          %%mm0, %%mm2     \n\t"\
555     "packuswb          %%mm6, %%mm5     \n\t"\
556     "packuswb          %%mm3, %%mm4     \n\t"\
557
558 #define YSCALEYUV2RGB1(index, c)  REAL_YSCALEYUV2RGB1(index, c)
559
560 #define REAL_YSCALEYUV2PACKED1b(index, c) \
561     "xor "#index", "#index"             \n\t"\
562     ASMALIGN(4)\
563     "1:                                 \n\t"\
564     "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
565     "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
566     "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
567     "movq "AV_STRINGIFY(VOF)"(%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\
568     "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax] + uvbuf1[eax]*/\
569     "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048] + uvbuf1[eax+2048]*/\
570     "psrlw                $8, %%mm3     \n\t" \
571     "psrlw                $8, %%mm4     \n\t" \
572     "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\
573     "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\
574     "psraw                $7, %%mm1     \n\t" \
575     "psraw                $7, %%mm7     \n\t"
576 #define YSCALEYUV2PACKED1b(index, c)  REAL_YSCALEYUV2PACKED1b(index, c)
577
578 // do vertical chrominance interpolation
579 #define REAL_YSCALEYUV2RGB1b(index, c) \
580     "xor            "#index", "#index"  \n\t"\
581     ASMALIGN(4)\
582     "1:                                 \n\t"\
583     "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
584     "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
585     "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
586     "movq "AV_STRINGIFY(VOF)"(%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\
587     "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax] + uvbuf1[eax]*/\
588     "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048] + uvbuf1[eax+2048]*/\
589     "psrlw                $5, %%mm3     \n\t" /*FIXME might overflow*/\
590     "psrlw                $5, %%mm4     \n\t" /*FIXME might overflow*/\
591     "psubw  "U_OFFSET"("#c"), %%mm3     \n\t" /* (U-128)8*/\
592     "psubw  "V_OFFSET"("#c"), %%mm4     \n\t" /* (V-128)8*/\
593     "movq              %%mm3, %%mm2     \n\t" /* (U-128)8*/\
594     "movq              %%mm4, %%mm5     \n\t" /* (V-128)8*/\
595     "pmulhw "UG_COEFF"("#c"), %%mm3     \n\t"\
596     "pmulhw "VG_COEFF"("#c"), %%mm4     \n\t"\
597     /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
598     "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\
599     "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\
600     "psraw                $4, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
601     "psraw                $4, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
602     "pmulhw "UB_COEFF"("#c"), %%mm2     \n\t"\
603     "pmulhw "VR_COEFF"("#c"), %%mm5     \n\t"\
604     "psubw  "Y_OFFSET"("#c"), %%mm1     \n\t" /* 8(Y-16)*/\
605     "psubw  "Y_OFFSET"("#c"), %%mm7     \n\t" /* 8(Y-16)*/\
606     "pmulhw  "Y_COEFF"("#c"), %%mm1     \n\t"\
607     "pmulhw  "Y_COEFF"("#c"), %%mm7     \n\t"\
608     /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
609     "paddw             %%mm3, %%mm4     \n\t"\
610     "movq              %%mm2, %%mm0     \n\t"\
611     "movq              %%mm5, %%mm6     \n\t"\
612     "movq              %%mm4, %%mm3     \n\t"\
613     "punpcklwd         %%mm2, %%mm2     \n\t"\
614     "punpcklwd         %%mm5, %%mm5     \n\t"\
615     "punpcklwd         %%mm4, %%mm4     \n\t"\
616     "paddw             %%mm1, %%mm2     \n\t"\
617     "paddw             %%mm1, %%mm5     \n\t"\
618     "paddw             %%mm1, %%mm4     \n\t"\
619     "punpckhwd         %%mm0, %%mm0     \n\t"\
620     "punpckhwd         %%mm6, %%mm6     \n\t"\
621     "punpckhwd         %%mm3, %%mm3     \n\t"\
622     "paddw             %%mm7, %%mm0     \n\t"\
623     "paddw             %%mm7, %%mm6     \n\t"\
624     "paddw             %%mm7, %%mm3     \n\t"\
625     /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
626     "packuswb          %%mm0, %%mm2     \n\t"\
627     "packuswb          %%mm6, %%mm5     \n\t"\
628     "packuswb          %%mm3, %%mm4     \n\t"\
629
630 #define YSCALEYUV2RGB1b(index, c)  REAL_YSCALEYUV2RGB1b(index, c)
631
632 #define REAL_YSCALEYUV2RGB1_ALPHA(index) \
633     "movq  (%1, "#index", 2), %%mm7     \n\t" /* abuf0[index  ]     */\
634     "movq 8(%1, "#index", 2), %%mm1     \n\t" /* abuf0[index+4]     */\
635     "psraw                $7, %%mm7     \n\t" /* abuf0[index  ] >>7 */\
636     "psraw                $7, %%mm1     \n\t" /* abuf0[index+4] >>7 */\
637     "packuswb          %%mm1, %%mm7     \n\t"
638 #define YSCALEYUV2RGB1_ALPHA(index) REAL_YSCALEYUV2RGB1_ALPHA(index)
639
640 #define REAL_WRITEBGR32(dst, dstw, index, b, g, r, a, q0, q2, q3, t) \
641     "movq       "#b", "#q2"     \n\t" /* B */\
642     "movq       "#r", "#t"      \n\t" /* R */\
643     "punpcklbw  "#g", "#b"      \n\t" /* GBGBGBGB 0 */\
644     "punpcklbw  "#a", "#r"      \n\t" /* ARARARAR 0 */\
645     "punpckhbw  "#g", "#q2"     \n\t" /* GBGBGBGB 2 */\
646     "punpckhbw  "#a", "#t"      \n\t" /* ARARARAR 2 */\
647     "movq       "#b", "#q0"     \n\t" /* GBGBGBGB 0 */\
648     "movq      "#q2", "#q3"     \n\t" /* GBGBGBGB 2 */\
649     "punpcklwd  "#r", "#q0"     \n\t" /* ARGBARGB 0 */\
650     "punpckhwd  "#r", "#b"      \n\t" /* ARGBARGB 1 */\
651     "punpcklwd  "#t", "#q2"     \n\t" /* ARGBARGB 2 */\
652     "punpckhwd  "#t", "#q3"     \n\t" /* ARGBARGB 3 */\
653 \
654     MOVNTQ(   q0,   (dst, index, 4))\
655     MOVNTQ(    b,  8(dst, index, 4))\
656     MOVNTQ(   q2, 16(dst, index, 4))\
657     MOVNTQ(   q3, 24(dst, index, 4))\
658 \
659     "add      $8, "#index"      \n\t"\
660     "cmp "#dstw", "#index"      \n\t"\
661     " jb      1b                \n\t"
662 #define WRITEBGR32(dst, dstw, index, b, g, r, a, q0, q2, q3, t)  REAL_WRITEBGR32(dst, dstw, index, b, g, r, a, q0, q2, q3, t)
663
664 #define REAL_WRITERGB16(dst, dstw, index) \
665     "pand "MANGLE(bF8)", %%mm2  \n\t" /* B */\
666     "pand "MANGLE(bFC)", %%mm4  \n\t" /* G */\
667     "pand "MANGLE(bF8)", %%mm5  \n\t" /* R */\
668     "psrlq           $3, %%mm2  \n\t"\
669 \
670     "movq         %%mm2, %%mm1  \n\t"\
671     "movq         %%mm4, %%mm3  \n\t"\
672 \
673     "punpcklbw    %%mm7, %%mm3  \n\t"\
674     "punpcklbw    %%mm5, %%mm2  \n\t"\
675     "punpckhbw    %%mm7, %%mm4  \n\t"\
676     "punpckhbw    %%mm5, %%mm1  \n\t"\
677 \
678     "psllq           $3, %%mm3  \n\t"\
679     "psllq           $3, %%mm4  \n\t"\
680 \
681     "por          %%mm3, %%mm2  \n\t"\
682     "por          %%mm4, %%mm1  \n\t"\
683 \
684     MOVNTQ(%%mm2,  (dst, index, 2))\
685     MOVNTQ(%%mm1, 8(dst, index, 2))\
686 \
687     "add             $8, "#index"   \n\t"\
688     "cmp        "#dstw", "#index"   \n\t"\
689     " jb             1b             \n\t"
690 #define WRITERGB16(dst, dstw, index)  REAL_WRITERGB16(dst, dstw, index)
691
692 #define REAL_WRITERGB15(dst, dstw, index) \
693     "pand "MANGLE(bF8)", %%mm2  \n\t" /* B */\
694     "pand "MANGLE(bF8)", %%mm4  \n\t" /* G */\
695     "pand "MANGLE(bF8)", %%mm5  \n\t" /* R */\
696     "psrlq           $3, %%mm2  \n\t"\
697     "psrlq           $1, %%mm5  \n\t"\
698 \
699     "movq         %%mm2, %%mm1  \n\t"\
700     "movq         %%mm4, %%mm3  \n\t"\
701 \
702     "punpcklbw    %%mm7, %%mm3  \n\t"\
703     "punpcklbw    %%mm5, %%mm2  \n\t"\
704     "punpckhbw    %%mm7, %%mm4  \n\t"\
705     "punpckhbw    %%mm5, %%mm1  \n\t"\
706 \
707     "psllq           $2, %%mm3  \n\t"\
708     "psllq           $2, %%mm4  \n\t"\
709 \
710     "por          %%mm3, %%mm2  \n\t"\
711     "por          %%mm4, %%mm1  \n\t"\
712 \
713     MOVNTQ(%%mm2,  (dst, index, 2))\
714     MOVNTQ(%%mm1, 8(dst, index, 2))\
715 \
716     "add             $8, "#index"   \n\t"\
717     "cmp        "#dstw", "#index"   \n\t"\
718     " jb             1b             \n\t"
719 #define WRITERGB15(dst, dstw, index)  REAL_WRITERGB15(dst, dstw, index)
720
721 #define WRITEBGR24OLD(dst, dstw, index) \
722     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
723     "movq      %%mm2, %%mm1             \n\t" /* B */\
724     "movq      %%mm5, %%mm6             \n\t" /* R */\
725     "punpcklbw %%mm4, %%mm2             \n\t" /* GBGBGBGB 0 */\
726     "punpcklbw %%mm7, %%mm5             \n\t" /* 0R0R0R0R 0 */\
727     "punpckhbw %%mm4, %%mm1             \n\t" /* GBGBGBGB 2 */\
728     "punpckhbw %%mm7, %%mm6             \n\t" /* 0R0R0R0R 2 */\
729     "movq      %%mm2, %%mm0             \n\t" /* GBGBGBGB 0 */\
730     "movq      %%mm1, %%mm3             \n\t" /* GBGBGBGB 2 */\
731     "punpcklwd %%mm5, %%mm0             \n\t" /* 0RGB0RGB 0 */\
732     "punpckhwd %%mm5, %%mm2             \n\t" /* 0RGB0RGB 1 */\
733     "punpcklwd %%mm6, %%mm1             \n\t" /* 0RGB0RGB 2 */\
734     "punpckhwd %%mm6, %%mm3             \n\t" /* 0RGB0RGB 3 */\
735 \
736     "movq      %%mm0, %%mm4             \n\t" /* 0RGB0RGB 0 */\
737     "psrlq        $8, %%mm0             \n\t" /* 00RGB0RG 0 */\
738     "pand "MANGLE(bm00000111)", %%mm4   \n\t" /* 00000RGB 0 */\
739     "pand "MANGLE(bm11111000)", %%mm0   \n\t" /* 00RGB000 0.5 */\
740     "por       %%mm4, %%mm0             \n\t" /* 00RGBRGB 0 */\
741     "movq      %%mm2, %%mm4             \n\t" /* 0RGB0RGB 1 */\
742     "psllq       $48, %%mm2             \n\t" /* GB000000 1 */\
743     "por       %%mm2, %%mm0             \n\t" /* GBRGBRGB 0 */\
744 \
745     "movq      %%mm4, %%mm2             \n\t" /* 0RGB0RGB 1 */\
746     "psrld       $16, %%mm4             \n\t" /* 000R000R 1 */\
747     "psrlq       $24, %%mm2             \n\t" /* 0000RGB0 1.5 */\
748     "por       %%mm4, %%mm2             \n\t" /* 000RRGBR 1 */\
749     "pand "MANGLE(bm00001111)", %%mm2   \n\t" /* 0000RGBR 1 */\
750     "movq      %%mm1, %%mm4             \n\t" /* 0RGB0RGB 2 */\
751     "psrlq        $8, %%mm1             \n\t" /* 00RGB0RG 2 */\
752     "pand "MANGLE(bm00000111)", %%mm4   \n\t" /* 00000RGB 2 */\
753     "pand "MANGLE(bm11111000)", %%mm1   \n\t" /* 00RGB000 2.5 */\
754     "por       %%mm4, %%mm1             \n\t" /* 00RGBRGB 2 */\
755     "movq      %%mm1, %%mm4             \n\t" /* 00RGBRGB 2 */\
756     "psllq       $32, %%mm1             \n\t" /* BRGB0000 2 */\
757     "por       %%mm1, %%mm2             \n\t" /* BRGBRGBR 1 */\
758 \
759     "psrlq       $32, %%mm4             \n\t" /* 000000RG 2.5 */\
760     "movq      %%mm3, %%mm5             \n\t" /* 0RGB0RGB 3 */\
761     "psrlq        $8, %%mm3             \n\t" /* 00RGB0RG 3 */\
762     "pand "MANGLE(bm00000111)", %%mm5   \n\t" /* 00000RGB 3 */\
763     "pand "MANGLE(bm11111000)", %%mm3   \n\t" /* 00RGB000 3.5 */\
764     "por       %%mm5, %%mm3             \n\t" /* 00RGBRGB 3 */\
765     "psllq       $16, %%mm3             \n\t" /* RGBRGB00 3 */\
766     "por       %%mm4, %%mm3             \n\t" /* RGBRGBRG 2.5 */\
767 \
768     MOVNTQ(%%mm0,   (dst))\
769     MOVNTQ(%%mm2,  8(dst))\
770     MOVNTQ(%%mm3, 16(dst))\
771     "add         $24, "#dst"            \n\t"\
772 \
773     "add          $8, "#index"          \n\t"\
774     "cmp     "#dstw", "#index"          \n\t"\
775     " jb          1b                    \n\t"
776
777 #define WRITEBGR24MMX(dst, dstw, index) \
778     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
779     "movq      %%mm2, %%mm1     \n\t" /* B */\
780     "movq      %%mm5, %%mm6     \n\t" /* R */\
781     "punpcklbw %%mm4, %%mm2     \n\t" /* GBGBGBGB 0 */\
782     "punpcklbw %%mm7, %%mm5     \n\t" /* 0R0R0R0R 0 */\
783     "punpckhbw %%mm4, %%mm1     \n\t" /* GBGBGBGB 2 */\
784     "punpckhbw %%mm7, %%mm6     \n\t" /* 0R0R0R0R 2 */\
785     "movq      %%mm2, %%mm0     \n\t" /* GBGBGBGB 0 */\
786     "movq      %%mm1, %%mm3     \n\t" /* GBGBGBGB 2 */\
787     "punpcklwd %%mm5, %%mm0     \n\t" /* 0RGB0RGB 0 */\
788     "punpckhwd %%mm5, %%mm2     \n\t" /* 0RGB0RGB 1 */\
789     "punpcklwd %%mm6, %%mm1     \n\t" /* 0RGB0RGB 2 */\
790     "punpckhwd %%mm6, %%mm3     \n\t" /* 0RGB0RGB 3 */\
791 \
792     "movq      %%mm0, %%mm4     \n\t" /* 0RGB0RGB 0 */\
793     "movq      %%mm2, %%mm6     \n\t" /* 0RGB0RGB 1 */\
794     "movq      %%mm1, %%mm5     \n\t" /* 0RGB0RGB 2 */\
795     "movq      %%mm3, %%mm7     \n\t" /* 0RGB0RGB 3 */\
796 \
797     "psllq       $40, %%mm0     \n\t" /* RGB00000 0 */\
798     "psllq       $40, %%mm2     \n\t" /* RGB00000 1 */\
799     "psllq       $40, %%mm1     \n\t" /* RGB00000 2 */\
800     "psllq       $40, %%mm3     \n\t" /* RGB00000 3 */\
801 \
802     "punpckhdq %%mm4, %%mm0     \n\t" /* 0RGBRGB0 0 */\
803     "punpckhdq %%mm6, %%mm2     \n\t" /* 0RGBRGB0 1 */\
804     "punpckhdq %%mm5, %%mm1     \n\t" /* 0RGBRGB0 2 */\
805     "punpckhdq %%mm7, %%mm3     \n\t" /* 0RGBRGB0 3 */\
806 \
807     "psrlq        $8, %%mm0     \n\t" /* 00RGBRGB 0 */\
808     "movq      %%mm2, %%mm6     \n\t" /* 0RGBRGB0 1 */\
809     "psllq       $40, %%mm2     \n\t" /* GB000000 1 */\
810     "por       %%mm2, %%mm0     \n\t" /* GBRGBRGB 0 */\
811     MOVNTQ(%%mm0, (dst))\
812 \
813     "psrlq       $24, %%mm6     \n\t" /* 0000RGBR 1 */\
814     "movq      %%mm1, %%mm5     \n\t" /* 0RGBRGB0 2 */\
815     "psllq       $24, %%mm1     \n\t" /* BRGB0000 2 */\
816     "por       %%mm1, %%mm6     \n\t" /* BRGBRGBR 1 */\
817     MOVNTQ(%%mm6, 8(dst))\
818 \
819     "psrlq       $40, %%mm5     \n\t" /* 000000RG 2 */\
820     "psllq        $8, %%mm3     \n\t" /* RGBRGB00 3 */\
821     "por       %%mm3, %%mm5     \n\t" /* RGBRGBRG 2 */\
822     MOVNTQ(%%mm5, 16(dst))\
823 \
824     "add         $24, "#dst"    \n\t"\
825 \
826     "add          $8, "#index"  \n\t"\
827     "cmp     "#dstw", "#index"  \n\t"\
828     " jb          1b            \n\t"
829
830 #define WRITEBGR24MMX2(dst, dstw, index) \
831     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
832     "movq "MANGLE(ff_M24A)", %%mm0 \n\t"\
833     "movq "MANGLE(ff_M24C)", %%mm7 \n\t"\
834     "pshufw $0x50, %%mm2, %%mm1 \n\t" /* B3 B2 B3 B2  B1 B0 B1 B0 */\
835     "pshufw $0x50, %%mm4, %%mm3 \n\t" /* G3 G2 G3 G2  G1 G0 G1 G0 */\
836     "pshufw $0x00, %%mm5, %%mm6 \n\t" /* R1 R0 R1 R0  R1 R0 R1 R0 */\
837 \
838     "pand   %%mm0, %%mm1        \n\t" /*    B2        B1       B0 */\
839     "pand   %%mm0, %%mm3        \n\t" /*    G2        G1       G0 */\
840     "pand   %%mm7, %%mm6        \n\t" /*       R1        R0       */\
841 \
842     "psllq     $8, %%mm3        \n\t" /* G2        G1       G0    */\
843     "por    %%mm1, %%mm6        \n\t"\
844     "por    %%mm3, %%mm6        \n\t"\
845     MOVNTQ(%%mm6, (dst))\
846 \
847     "psrlq     $8, %%mm4        \n\t" /* 00 G7 G6 G5  G4 G3 G2 G1 */\
848     "pshufw $0xA5, %%mm2, %%mm1 \n\t" /* B5 B4 B5 B4  B3 B2 B3 B2 */\
849     "pshufw $0x55, %%mm4, %%mm3 \n\t" /* G4 G3 G4 G3  G4 G3 G4 G3 */\
850     "pshufw $0xA5, %%mm5, %%mm6 \n\t" /* R5 R4 R5 R4  R3 R2 R3 R2 */\
851 \
852     "pand "MANGLE(ff_M24B)", %%mm1 \n\t" /* B5       B4        B3    */\
853     "pand   %%mm7, %%mm3        \n\t" /*       G4        G3       */\
854     "pand   %%mm0, %%mm6        \n\t" /*    R4        R3       R2 */\
855 \
856     "por    %%mm1, %%mm3        \n\t" /* B5    G4 B4     G3 B3    */\
857     "por    %%mm3, %%mm6        \n\t"\
858     MOVNTQ(%%mm6, 8(dst))\
859 \
860     "pshufw $0xFF, %%mm2, %%mm1 \n\t" /* B7 B6 B7 B6  B7 B6 B6 B7 */\
861     "pshufw $0xFA, %%mm4, %%mm3 \n\t" /* 00 G7 00 G7  G6 G5 G6 G5 */\
862     "pshufw $0xFA, %%mm5, %%mm6 \n\t" /* R7 R6 R7 R6  R5 R4 R5 R4 */\
863 \
864     "pand   %%mm7, %%mm1        \n\t" /*       B7        B6       */\
865     "pand   %%mm0, %%mm3        \n\t" /*    G7        G6       G5 */\
866     "pand "MANGLE(ff_M24B)", %%mm6 \n\t" /* R7       R6        R5    */\
867 \
868     "por    %%mm1, %%mm3        \n\t"\
869     "por    %%mm3, %%mm6        \n\t"\
870     MOVNTQ(%%mm6, 16(dst))\
871 \
872     "add      $24, "#dst"       \n\t"\
873 \
874     "add       $8, "#index"     \n\t"\
875     "cmp  "#dstw", "#index"     \n\t"\
876     " jb       1b               \n\t"
877
878 #if COMPILE_TEMPLATE_MMX2
879 #undef WRITEBGR24
880 #define WRITEBGR24(dst, dstw, index)  WRITEBGR24MMX2(dst, dstw, index)
881 #else
882 #undef WRITEBGR24
883 #define WRITEBGR24(dst, dstw, index)  WRITEBGR24MMX(dst, dstw, index)
884 #endif
885
886 #define REAL_WRITEYUY2(dst, dstw, index) \
887     "packuswb  %%mm3, %%mm3     \n\t"\
888     "packuswb  %%mm4, %%mm4     \n\t"\
889     "packuswb  %%mm7, %%mm1     \n\t"\
890     "punpcklbw %%mm4, %%mm3     \n\t"\
891     "movq      %%mm1, %%mm7     \n\t"\
892     "punpcklbw %%mm3, %%mm1     \n\t"\
893     "punpckhbw %%mm3, %%mm7     \n\t"\
894 \
895     MOVNTQ(%%mm1, (dst, index, 2))\
896     MOVNTQ(%%mm7, 8(dst, index, 2))\
897 \
898     "add          $8, "#index"  \n\t"\
899     "cmp     "#dstw", "#index"  \n\t"\
900     " jb          1b            \n\t"
901 #define WRITEYUY2(dst, dstw, index)  REAL_WRITEYUY2(dst, dstw, index)
902
903
904 static inline void RENAME(yuv2yuvX)(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
905                                     const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize, const int16_t **alpSrc,
906                                     uint8_t *dest, uint8_t *uDest, uint8_t *vDest, uint8_t *aDest, long dstW, long chrDstW)
907 {
908 #if COMPILE_TEMPLATE_MMX
909     if(!(c->flags & SWS_BITEXACT)) {
910         if (c->flags & SWS_ACCURATE_RND) {
911             if (uDest) {
912                 YSCALEYUV2YV12X_ACCURATE(   "0", CHR_MMX_FILTER_OFFSET, uDest, chrDstW)
913                 YSCALEYUV2YV12X_ACCURATE(AV_STRINGIFY(VOF), CHR_MMX_FILTER_OFFSET, vDest, chrDstW)
914             }
915             if (CONFIG_SWSCALE_ALPHA && aDest) {
916                 YSCALEYUV2YV12X_ACCURATE(   "0", ALP_MMX_FILTER_OFFSET, aDest, dstW)
917             }
918
919             YSCALEYUV2YV12X_ACCURATE("0", LUM_MMX_FILTER_OFFSET, dest, dstW)
920         } else {
921             if (uDest) {
922                 YSCALEYUV2YV12X(   "0", CHR_MMX_FILTER_OFFSET, uDest, chrDstW)
923                 YSCALEYUV2YV12X(AV_STRINGIFY(VOF), CHR_MMX_FILTER_OFFSET, vDest, chrDstW)
924             }
925             if (CONFIG_SWSCALE_ALPHA && aDest) {
926                 YSCALEYUV2YV12X(   "0", ALP_MMX_FILTER_OFFSET, aDest, dstW)
927             }
928
929             YSCALEYUV2YV12X("0", LUM_MMX_FILTER_OFFSET, dest, dstW)
930         }
931         return;
932     }
933 #endif
934 #if COMPILE_TEMPLATE_ALTIVEC
935     yuv2yuvX_altivec_real(lumFilter, lumSrc, lumFilterSize,
936                           chrFilter, chrSrc, chrFilterSize,
937                           dest, uDest, vDest, dstW, chrDstW);
938 #else //COMPILE_TEMPLATE_ALTIVEC
939     yuv2yuvXinC(lumFilter, lumSrc, lumFilterSize,
940                 chrFilter, chrSrc, chrFilterSize,
941                 alpSrc, dest, uDest, vDest, aDest, dstW, chrDstW);
942 #endif //!COMPILE_TEMPLATE_ALTIVEC
943 }
944
945 static inline void RENAME(yuv2nv12X)(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
946                                      const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
947                                      uint8_t *dest, uint8_t *uDest, int dstW, int chrDstW, enum PixelFormat dstFormat)
948 {
949     yuv2nv12XinC(lumFilter, lumSrc, lumFilterSize,
950                  chrFilter, chrSrc, chrFilterSize,
951                  dest, uDest, dstW, chrDstW, dstFormat);
952 }
953
954 static inline void RENAME(yuv2yuv1)(SwsContext *c, const int16_t *lumSrc, const int16_t *chrSrc, const int16_t *alpSrc,
955                                     uint8_t *dest, uint8_t *uDest, uint8_t *vDest, uint8_t *aDest, long dstW, long chrDstW)
956 {
957     int i;
958 #if COMPILE_TEMPLATE_MMX
959     if(!(c->flags & SWS_BITEXACT)) {
960         long p= 4;
961         uint8_t *src[4]= {alpSrc + dstW, lumSrc + dstW, chrSrc + chrDstW, chrSrc + VOFW + chrDstW};
962         uint8_t *dst[4]= {aDest, dest, uDest, vDest};
963         x86_reg counter[4]= {dstW, dstW, chrDstW, chrDstW};
964
965         if (c->flags & SWS_ACCURATE_RND) {
966             while(p--) {
967                 if (dst[p]) {
968                     __asm__ volatile(
969                         YSCALEYUV2YV121_ACCURATE
970                         :: "r" (src[p]), "r" (dst[p] + counter[p]),
971                         "g" (-counter[p])
972                         : "%"REG_a
973                     );
974                 }
975             }
976         } else {
977             while(p--) {
978                 if (dst[p]) {
979                     __asm__ volatile(
980                         YSCALEYUV2YV121
981                         :: "r" (src[p]), "r" (dst[p] + counter[p]),
982                         "g" (-counter[p])
983                         : "%"REG_a
984                     );
985                 }
986             }
987         }
988         return;
989     }
990 #endif
991     for (i=0; i<dstW; i++) {
992         int val= (lumSrc[i]+64)>>7;
993
994         if (val&256) {
995             if (val<0) val=0;
996             else       val=255;
997         }
998
999         dest[i]= val;
1000     }
1001
1002     if (uDest)
1003         for (i=0; i<chrDstW; i++) {
1004             int u=(chrSrc[i       ]+64)>>7;
1005             int v=(chrSrc[i + VOFW]+64)>>7;
1006
1007             if ((u|v)&256) {
1008                 if (u<0)        u=0;
1009                 else if (u>255) u=255;
1010                 if (v<0)        v=0;
1011                 else if (v>255) v=255;
1012             }
1013
1014             uDest[i]= u;
1015             vDest[i]= v;
1016         }
1017
1018     if (CONFIG_SWSCALE_ALPHA && aDest)
1019         for (i=0; i<dstW; i++) {
1020             int val= (alpSrc[i]+64)>>7;
1021             aDest[i]= av_clip_uint8(val);
1022         }
1023 }
1024
1025
1026 /**
1027  * vertical scale YV12 to RGB
1028  */
1029 static inline void RENAME(yuv2packedX)(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
1030                                        const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
1031                                        const int16_t **alpSrc, uint8_t *dest, long dstW, long dstY)
1032 {
1033 #if COMPILE_TEMPLATE_MMX
1034     x86_reg dummy=0;
1035     if(!(c->flags & SWS_BITEXACT)) {
1036         if (c->flags & SWS_ACCURATE_RND) {
1037             switch(c->dstFormat) {
1038             case PIX_FMT_RGB32:
1039                 if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
1040                     YSCALEYUV2PACKEDX_ACCURATE
1041                     YSCALEYUV2RGBX
1042                     "movq                      %%mm2, "U_TEMP"(%0)  \n\t"
1043                     "movq                      %%mm4, "V_TEMP"(%0)  \n\t"
1044                     "movq                      %%mm5, "Y_TEMP"(%0)  \n\t"
1045                     YSCALEYUV2PACKEDX_ACCURATE_YA(ALP_MMX_FILTER_OFFSET)
1046                     "movq               "Y_TEMP"(%0), %%mm5         \n\t"
1047                     "psraw                        $3, %%mm1         \n\t"
1048                     "psraw                        $3, %%mm7         \n\t"
1049                     "packuswb                  %%mm7, %%mm1         \n\t"
1050                     WRITEBGR32(%4, %5, %%REGa, %%mm3, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm2, %%mm6)
1051
1052                     YSCALEYUV2PACKEDX_END
1053                 } else {
1054                     YSCALEYUV2PACKEDX_ACCURATE
1055                     YSCALEYUV2RGBX
1056                     "pcmpeqd %%mm7, %%mm7 \n\t"
1057                     WRITEBGR32(%4, %5, %%REGa, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
1058
1059                     YSCALEYUV2PACKEDX_END
1060                 }
1061                 return;
1062             case PIX_FMT_BGR24:
1063                 YSCALEYUV2PACKEDX_ACCURATE
1064                 YSCALEYUV2RGBX
1065                 "pxor %%mm7, %%mm7 \n\t"
1066                 "lea (%%"REG_a", %%"REG_a", 2), %%"REG_c"\n\t" //FIXME optimize
1067                 "add %4, %%"REG_c"                        \n\t"
1068                 WRITEBGR24(%%REGc, %5, %%REGa)
1069
1070
1071                 :: "r" (&c->redDither),
1072                 "m" (dummy), "m" (dummy), "m" (dummy),
1073                 "r" (dest), "m" (dstW)
1074                 : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S
1075                 );
1076                 return;
1077             case PIX_FMT_RGB555:
1078                 YSCALEYUV2PACKEDX_ACCURATE
1079                 YSCALEYUV2RGBX
1080                 "pxor %%mm7, %%mm7 \n\t"
1081                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1082 #ifdef DITHER1XBPP
1083                 "paddusb "BLUE_DITHER"(%0), %%mm2\n\t"
1084                 "paddusb "GREEN_DITHER"(%0), %%mm4\n\t"
1085                 "paddusb "RED_DITHER"(%0), %%mm5\n\t"
1086 #endif
1087
1088                 WRITERGB15(%4, %5, %%REGa)
1089                 YSCALEYUV2PACKEDX_END
1090                 return;
1091             case PIX_FMT_RGB565:
1092                 YSCALEYUV2PACKEDX_ACCURATE
1093                 YSCALEYUV2RGBX
1094                 "pxor %%mm7, %%mm7 \n\t"
1095                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1096 #ifdef DITHER1XBPP
1097                 "paddusb "BLUE_DITHER"(%0), %%mm2\n\t"
1098                 "paddusb "GREEN_DITHER"(%0), %%mm4\n\t"
1099                 "paddusb "RED_DITHER"(%0), %%mm5\n\t"
1100 #endif
1101
1102                 WRITERGB16(%4, %5, %%REGa)
1103                 YSCALEYUV2PACKEDX_END
1104                 return;
1105             case PIX_FMT_YUYV422:
1106                 YSCALEYUV2PACKEDX_ACCURATE
1107                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1108
1109                 "psraw $3, %%mm3    \n\t"
1110                 "psraw $3, %%mm4    \n\t"
1111                 "psraw $3, %%mm1    \n\t"
1112                 "psraw $3, %%mm7    \n\t"
1113                 WRITEYUY2(%4, %5, %%REGa)
1114                 YSCALEYUV2PACKEDX_END
1115                 return;
1116             }
1117         } else {
1118             switch(c->dstFormat) {
1119             case PIX_FMT_RGB32:
1120                 if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
1121                     YSCALEYUV2PACKEDX
1122                     YSCALEYUV2RGBX
1123                     YSCALEYUV2PACKEDX_YA(ALP_MMX_FILTER_OFFSET, %%mm0, %%mm3, %%mm6, %%mm1, %%mm7)
1124                     "psraw                        $3, %%mm1         \n\t"
1125                     "psraw                        $3, %%mm7         \n\t"
1126                     "packuswb                  %%mm7, %%mm1         \n\t"
1127                     WRITEBGR32(%4, %5, %%REGa, %%mm2, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm3, %%mm6)
1128                     YSCALEYUV2PACKEDX_END
1129                 } else {
1130                     YSCALEYUV2PACKEDX
1131                     YSCALEYUV2RGBX
1132                     "pcmpeqd %%mm7, %%mm7 \n\t"
1133                     WRITEBGR32(%4, %5, %%REGa, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
1134                     YSCALEYUV2PACKEDX_END
1135                 }
1136                 return;
1137             case PIX_FMT_BGR24:
1138                 YSCALEYUV2PACKEDX
1139                 YSCALEYUV2RGBX
1140                 "pxor                    %%mm7, %%mm7       \n\t"
1141                 "lea (%%"REG_a", %%"REG_a", 2), %%"REG_c"   \n\t" //FIXME optimize
1142                 "add                        %4, %%"REG_c"   \n\t"
1143                 WRITEBGR24(%%REGc, %5, %%REGa)
1144
1145                 :: "r" (&c->redDither),
1146                 "m" (dummy), "m" (dummy), "m" (dummy),
1147                 "r" (dest),  "m" (dstW)
1148                 : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S
1149                 );
1150                 return;
1151             case PIX_FMT_RGB555:
1152                 YSCALEYUV2PACKEDX
1153                 YSCALEYUV2RGBX
1154                 "pxor %%mm7, %%mm7 \n\t"
1155                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1156 #ifdef DITHER1XBPP
1157                 "paddusb "BLUE_DITHER"(%0), %%mm2  \n\t"
1158                 "paddusb "GREEN_DITHER"(%0), %%mm4  \n\t"
1159                 "paddusb "RED_DITHER"(%0), %%mm5  \n\t"
1160 #endif
1161
1162                 WRITERGB15(%4, %5, %%REGa)
1163                 YSCALEYUV2PACKEDX_END
1164                 return;
1165             case PIX_FMT_RGB565:
1166                 YSCALEYUV2PACKEDX
1167                 YSCALEYUV2RGBX
1168                 "pxor %%mm7, %%mm7 \n\t"
1169                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1170 #ifdef DITHER1XBPP
1171                 "paddusb "BLUE_DITHER"(%0), %%mm2  \n\t"
1172                 "paddusb "GREEN_DITHER"(%0), %%mm4  \n\t"
1173                 "paddusb "RED_DITHER"(%0), %%mm5  \n\t"
1174 #endif
1175
1176                 WRITERGB16(%4, %5, %%REGa)
1177                 YSCALEYUV2PACKEDX_END
1178                 return;
1179             case PIX_FMT_YUYV422:
1180                 YSCALEYUV2PACKEDX
1181                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1182
1183                 "psraw $3, %%mm3    \n\t"
1184                 "psraw $3, %%mm4    \n\t"
1185                 "psraw $3, %%mm1    \n\t"
1186                 "psraw $3, %%mm7    \n\t"
1187                 WRITEYUY2(%4, %5, %%REGa)
1188                 YSCALEYUV2PACKEDX_END
1189                 return;
1190             }
1191         }
1192     }
1193 #endif /* COMPILE_TEMPLATE_MMX */
1194 #if COMPILE_TEMPLATE_ALTIVEC
1195     /* The following list of supported dstFormat values should
1196        match what's found in the body of ff_yuv2packedX_altivec() */
1197     if (!(c->flags & SWS_BITEXACT) && !c->alpPixBuf &&
1198          (c->dstFormat==PIX_FMT_ABGR  || c->dstFormat==PIX_FMT_BGRA  ||
1199           c->dstFormat==PIX_FMT_BGR24 || c->dstFormat==PIX_FMT_RGB24 ||
1200           c->dstFormat==PIX_FMT_RGBA  || c->dstFormat==PIX_FMT_ARGB))
1201             ff_yuv2packedX_altivec(c, lumFilter, lumSrc, lumFilterSize,
1202                                    chrFilter, chrSrc, chrFilterSize,
1203                                    dest, dstW, dstY);
1204     else
1205 #endif
1206         yuv2packedXinC(c, lumFilter, lumSrc, lumFilterSize,
1207                        chrFilter, chrSrc, chrFilterSize,
1208                        alpSrc, dest, dstW, dstY);
1209 }
1210
1211 /**
1212  * vertical bilinear scale YV12 to RGB
1213  */
1214 static inline void RENAME(yuv2packed2)(SwsContext *c, const uint16_t *buf0, const uint16_t *buf1, const uint16_t *uvbuf0, const uint16_t *uvbuf1,
1215                           const uint16_t *abuf0, const uint16_t *abuf1, uint8_t *dest, int dstW, int yalpha, int uvalpha, int y)
1216 {
1217     int  yalpha1=4095- yalpha;
1218     int uvalpha1=4095-uvalpha;
1219     int i;
1220
1221 #if COMPILE_TEMPLATE_MMX
1222     if(!(c->flags & SWS_BITEXACT)) {
1223         switch(c->dstFormat) {
1224         //Note 8280 == DSTW_OFFSET but the preprocessor can't handle that there :(
1225         case PIX_FMT_RGB32:
1226             if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
1227 #if ARCH_X86_64
1228                 __asm__ volatile(
1229                     YSCALEYUV2RGB(%%REGBP, %5)
1230                     YSCALEYUV2RGB_YA(%%REGBP, %5, %6, %7)
1231                     "psraw                  $3, %%mm1       \n\t" /* abuf0[eax] - abuf1[eax] >>7*/
1232                     "psraw                  $3, %%mm7       \n\t" /* abuf0[eax] - abuf1[eax] >>7*/
1233                     "packuswb            %%mm7, %%mm1       \n\t"
1234                     WRITEBGR32(%4, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm3, %%mm6)
1235
1236                     :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "r" (dest),
1237                     "a" (&c->redDither)
1238                     ,"r" (abuf0), "r" (abuf1)
1239                     : "%"REG_BP
1240                 );
1241 #else
1242                 *(uint16_t **)(&c->u_temp)=abuf0;
1243                 *(uint16_t **)(&c->v_temp)=abuf1;
1244                 __asm__ volatile(
1245                     "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1246                     "mov        %4, %%"REG_b"               \n\t"
1247                     "push %%"REG_BP"                        \n\t"
1248                     YSCALEYUV2RGB(%%REGBP, %5)
1249                     "push                   %0              \n\t"
1250                     "push                   %1              \n\t"
1251                     "mov          "U_TEMP"(%5), %0          \n\t"
1252                     "mov          "V_TEMP"(%5), %1          \n\t"
1253                     YSCALEYUV2RGB_YA(%%REGBP, %5, %0, %1)
1254                     "psraw                  $3, %%mm1       \n\t" /* abuf0[eax] - abuf1[eax] >>7*/
1255                     "psraw                  $3, %%mm7       \n\t" /* abuf0[eax] - abuf1[eax] >>7*/
1256                     "packuswb            %%mm7, %%mm1       \n\t"
1257                     "pop                    %1              \n\t"
1258                     "pop                    %0              \n\t"
1259                     WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm3, %%mm6)
1260                     "pop %%"REG_BP"                         \n\t"
1261                     "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1262
1263                     :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1264                     "a" (&c->redDither)
1265                 );
1266 #endif
1267             } else {
1268                 __asm__ volatile(
1269                     "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1270                     "mov        %4, %%"REG_b"               \n\t"
1271                     "push %%"REG_BP"                        \n\t"
1272                     YSCALEYUV2RGB(%%REGBP, %5)
1273                     "pcmpeqd %%mm7, %%mm7                   \n\t"
1274                     WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
1275                     "pop %%"REG_BP"                         \n\t"
1276                     "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1277
1278                     :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1279                     "a" (&c->redDither)
1280                 );
1281             }
1282             return;
1283         case PIX_FMT_BGR24:
1284             __asm__ volatile(
1285                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1286                 "mov        %4, %%"REG_b"               \n\t"
1287                 "push %%"REG_BP"                        \n\t"
1288                 YSCALEYUV2RGB(%%REGBP, %5)
1289                 "pxor    %%mm7, %%mm7                   \n\t"
1290                 WRITEBGR24(%%REGb, 8280(%5), %%REGBP)
1291                 "pop %%"REG_BP"                         \n\t"
1292                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1293                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1294                 "a" (&c->redDither)
1295             );
1296             return;
1297         case PIX_FMT_RGB555:
1298             __asm__ volatile(
1299                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1300                 "mov        %4, %%"REG_b"               \n\t"
1301                 "push %%"REG_BP"                        \n\t"
1302                 YSCALEYUV2RGB(%%REGBP, %5)
1303                 "pxor    %%mm7, %%mm7                   \n\t"
1304                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1305 #ifdef DITHER1XBPP
1306                 "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
1307                 "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
1308                 "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
1309 #endif
1310
1311                 WRITERGB15(%%REGb, 8280(%5), %%REGBP)
1312                 "pop %%"REG_BP"                         \n\t"
1313                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1314
1315                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1316                 "a" (&c->redDither)
1317             );
1318             return;
1319         case PIX_FMT_RGB565:
1320             __asm__ volatile(
1321                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1322                 "mov        %4, %%"REG_b"               \n\t"
1323                 "push %%"REG_BP"                        \n\t"
1324                 YSCALEYUV2RGB(%%REGBP, %5)
1325                 "pxor    %%mm7, %%mm7                   \n\t"
1326                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1327 #ifdef DITHER1XBPP
1328                 "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
1329                 "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
1330                 "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
1331 #endif
1332
1333                 WRITERGB16(%%REGb, 8280(%5), %%REGBP)
1334                 "pop %%"REG_BP"                         \n\t"
1335                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1336                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1337                 "a" (&c->redDither)
1338             );
1339             return;
1340         case PIX_FMT_YUYV422:
1341             __asm__ volatile(
1342                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1343                 "mov %4, %%"REG_b"                        \n\t"
1344                 "push %%"REG_BP"                        \n\t"
1345                 YSCALEYUV2PACKED(%%REGBP, %5)
1346                 WRITEYUY2(%%REGb, 8280(%5), %%REGBP)
1347                 "pop %%"REG_BP"                         \n\t"
1348                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1349                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1350                 "a" (&c->redDither)
1351             );
1352             return;
1353         default: break;
1354         }
1355     }
1356 #endif //COMPILE_TEMPLATE_MMX
1357     YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB2_C, YSCALE_YUV_2_PACKED2_C(void,0), YSCALE_YUV_2_GRAY16_2_C, YSCALE_YUV_2_MONO2_C)
1358 }
1359
1360 /**
1361  * YV12 to RGB without scaling or interpolating
1362  */
1363 static inline void RENAME(yuv2packed1)(SwsContext *c, const uint16_t *buf0, const uint16_t *uvbuf0, const uint16_t *uvbuf1,
1364                           const uint16_t *abuf0, uint8_t *dest, int dstW, int uvalpha, enum PixelFormat dstFormat, int flags, int y)
1365 {
1366     const int yalpha1=0;
1367     int i;
1368
1369     const uint16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
1370     const int yalpha= 4096; //FIXME ...
1371
1372     if (flags&SWS_FULL_CHR_H_INT) {
1373         c->yuv2packed2(c, buf0, buf0, uvbuf0, uvbuf1, abuf0, abuf0, dest, dstW, 0, uvalpha, y);
1374         return;
1375     }
1376
1377 #if COMPILE_TEMPLATE_MMX
1378     if(!(flags & SWS_BITEXACT)) {
1379         if (uvalpha < 2048) { // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster
1380             switch(dstFormat) {
1381             case PIX_FMT_RGB32:
1382                 if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
1383                     __asm__ volatile(
1384                         "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1385                         "mov        %4, %%"REG_b"               \n\t"
1386                         "push %%"REG_BP"                        \n\t"
1387                         YSCALEYUV2RGB1(%%REGBP, %5)
1388                         YSCALEYUV2RGB1_ALPHA(%%REGBP)
1389                         WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
1390                         "pop %%"REG_BP"                         \n\t"
1391                         "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1392
1393                         :: "c" (buf0), "d" (abuf0), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1394                         "a" (&c->redDither)
1395                     );
1396                 } else {
1397                     __asm__ volatile(
1398                         "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1399                         "mov        %4, %%"REG_b"               \n\t"
1400                         "push %%"REG_BP"                        \n\t"
1401                         YSCALEYUV2RGB1(%%REGBP, %5)
1402                         "pcmpeqd %%mm7, %%mm7                   \n\t"
1403                         WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
1404                         "pop %%"REG_BP"                         \n\t"
1405                         "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1406
1407                         :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1408                         "a" (&c->redDither)
1409                     );
1410                 }
1411                 return;
1412             case PIX_FMT_BGR24:
1413                 __asm__ volatile(
1414                     "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1415                     "mov        %4, %%"REG_b"               \n\t"
1416                     "push %%"REG_BP"                        \n\t"
1417                     YSCALEYUV2RGB1(%%REGBP, %5)
1418                     "pxor    %%mm7, %%mm7                   \n\t"
1419                     WRITEBGR24(%%REGb, 8280(%5), %%REGBP)
1420                     "pop %%"REG_BP"                         \n\t"
1421                     "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1422
1423                     :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1424                     "a" (&c->redDither)
1425                 );
1426                 return;
1427             case PIX_FMT_RGB555:
1428                 __asm__ volatile(
1429                     "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1430                     "mov        %4, %%"REG_b"               \n\t"
1431                     "push %%"REG_BP"                        \n\t"
1432                     YSCALEYUV2RGB1(%%REGBP, %5)
1433                     "pxor    %%mm7, %%mm7                   \n\t"
1434                     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1435 #ifdef DITHER1XBPP
1436                     "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
1437                     "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
1438                     "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
1439 #endif
1440                     WRITERGB15(%%REGb, 8280(%5), %%REGBP)
1441                     "pop %%"REG_BP"                         \n\t"
1442                     "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1443
1444                     :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1445                     "a" (&c->redDither)
1446                 );
1447                 return;
1448             case PIX_FMT_RGB565:
1449                 __asm__ volatile(
1450                     "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1451                     "mov        %4, %%"REG_b"               \n\t"
1452                     "push %%"REG_BP"                        \n\t"
1453                     YSCALEYUV2RGB1(%%REGBP, %5)
1454                     "pxor    %%mm7, %%mm7                   \n\t"
1455                     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1456 #ifdef DITHER1XBPP
1457                     "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
1458                     "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
1459                     "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
1460 #endif
1461
1462                     WRITERGB16(%%REGb, 8280(%5), %%REGBP)
1463                     "pop %%"REG_BP"                         \n\t"
1464                     "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1465
1466                     :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1467                     "a" (&c->redDither)
1468                 );
1469                 return;
1470             case PIX_FMT_YUYV422:
1471                 __asm__ volatile(
1472                     "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1473                     "mov        %4, %%"REG_b"               \n\t"
1474                     "push %%"REG_BP"                        \n\t"
1475                     YSCALEYUV2PACKED1(%%REGBP, %5)
1476                     WRITEYUY2(%%REGb, 8280(%5), %%REGBP)
1477                     "pop %%"REG_BP"                         \n\t"
1478                     "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1479
1480                     :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1481                     "a" (&c->redDither)
1482                 );
1483                 return;
1484             }
1485         } else {
1486             switch(dstFormat) {
1487             case PIX_FMT_RGB32:
1488                 if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) {
1489                     __asm__ volatile(
1490                         "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1491                         "mov        %4, %%"REG_b"               \n\t"
1492                         "push %%"REG_BP"                        \n\t"
1493                         YSCALEYUV2RGB1b(%%REGBP, %5)
1494                         YSCALEYUV2RGB1_ALPHA(%%REGBP)
1495                         WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
1496                         "pop %%"REG_BP"                         \n\t"
1497                         "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1498
1499                         :: "c" (buf0), "d" (abuf0), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1500                         "a" (&c->redDither)
1501                     );
1502                 } else {
1503                     __asm__ volatile(
1504                         "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1505                         "mov        %4, %%"REG_b"               \n\t"
1506                         "push %%"REG_BP"                        \n\t"
1507                         YSCALEYUV2RGB1b(%%REGBP, %5)
1508                         "pcmpeqd %%mm7, %%mm7                   \n\t"
1509                         WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
1510                         "pop %%"REG_BP"                         \n\t"
1511                         "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1512
1513                         :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1514                         "a" (&c->redDither)
1515                     );
1516                 }
1517                 return;
1518             case PIX_FMT_BGR24:
1519                 __asm__ volatile(
1520                     "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1521                     "mov        %4, %%"REG_b"               \n\t"
1522                     "push %%"REG_BP"                        \n\t"
1523                     YSCALEYUV2RGB1b(%%REGBP, %5)
1524                     "pxor    %%mm7, %%mm7                   \n\t"
1525                     WRITEBGR24(%%REGb, 8280(%5), %%REGBP)
1526                     "pop %%"REG_BP"                         \n\t"
1527                     "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1528
1529                     :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1530                     "a" (&c->redDither)
1531                 );
1532                 return;
1533             case PIX_FMT_RGB555:
1534                 __asm__ volatile(
1535                     "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1536                     "mov        %4, %%"REG_b"               \n\t"
1537                     "push %%"REG_BP"                        \n\t"
1538                     YSCALEYUV2RGB1b(%%REGBP, %5)
1539                     "pxor    %%mm7, %%mm7                   \n\t"
1540                     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1541 #ifdef DITHER1XBPP
1542                     "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
1543                     "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
1544                     "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
1545 #endif
1546                     WRITERGB15(%%REGb, 8280(%5), %%REGBP)
1547                     "pop %%"REG_BP"                         \n\t"
1548                     "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1549
1550                     :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1551                     "a" (&c->redDither)
1552                 );
1553                 return;
1554             case PIX_FMT_RGB565:
1555                 __asm__ volatile(
1556                     "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1557                     "mov        %4, %%"REG_b"               \n\t"
1558                     "push %%"REG_BP"                        \n\t"
1559                     YSCALEYUV2RGB1b(%%REGBP, %5)
1560                     "pxor    %%mm7, %%mm7                   \n\t"
1561                     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1562 #ifdef DITHER1XBPP
1563                     "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
1564                     "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
1565                     "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
1566 #endif
1567
1568                     WRITERGB16(%%REGb, 8280(%5), %%REGBP)
1569                     "pop %%"REG_BP"                         \n\t"
1570                     "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1571
1572                     :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1573                     "a" (&c->redDither)
1574                 );
1575                 return;
1576             case PIX_FMT_YUYV422:
1577                 __asm__ volatile(
1578                     "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1579                     "mov        %4, %%"REG_b"               \n\t"
1580                     "push %%"REG_BP"                        \n\t"
1581                     YSCALEYUV2PACKED1b(%%REGBP, %5)
1582                     WRITEYUY2(%%REGb, 8280(%5), %%REGBP)
1583                     "pop %%"REG_BP"                         \n\t"
1584                     "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1585
1586                     :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1587                     "a" (&c->redDither)
1588                 );
1589                 return;
1590             }
1591         }
1592     }
1593 #endif /* COMPILE_TEMPLATE_MMX */
1594     if (uvalpha < 2048) {
1595         YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB1_C, YSCALE_YUV_2_PACKED1_C(void,0), YSCALE_YUV_2_GRAY16_1_C, YSCALE_YUV_2_MONO2_C)
1596     } else {
1597         YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB1B_C, YSCALE_YUV_2_PACKED1B_C(void,0), YSCALE_YUV_2_GRAY16_1_C, YSCALE_YUV_2_MONO2_C)
1598     }
1599 }
1600
1601 //FIXME yuy2* can read up to 7 samples too much
1602
1603 static inline void RENAME(yuy2ToY)(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)
1604 {
1605 #if COMPILE_TEMPLATE_MMX
1606     __asm__ volatile(
1607         "movq "MANGLE(bm01010101)", %%mm2           \n\t"
1608         "mov                    %0, %%"REG_a"       \n\t"
1609         "1:                                         \n\t"
1610         "movq    (%1, %%"REG_a",2), %%mm0           \n\t"
1611         "movq   8(%1, %%"REG_a",2), %%mm1           \n\t"
1612         "pand                %%mm2, %%mm0           \n\t"
1613         "pand                %%mm2, %%mm1           \n\t"
1614         "packuswb            %%mm1, %%mm0           \n\t"
1615         "movq                %%mm0, (%2, %%"REG_a") \n\t"
1616         "add                    $8, %%"REG_a"       \n\t"
1617         " js                    1b                  \n\t"
1618         : : "g" ((x86_reg)-width), "r" (src+width*2), "r" (dst+width)
1619         : "%"REG_a
1620     );
1621 #else
1622     int i;
1623     for (i=0; i<width; i++)
1624         dst[i]= src[2*i];
1625 #endif
1626 }
1627
1628 static inline void RENAME(yuy2ToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
1629 {
1630 #if COMPILE_TEMPLATE_MMX
1631     __asm__ volatile(
1632         "movq "MANGLE(bm01010101)", %%mm4           \n\t"
1633         "mov                    %0, %%"REG_a"       \n\t"
1634         "1:                                         \n\t"
1635         "movq    (%1, %%"REG_a",4), %%mm0           \n\t"
1636         "movq   8(%1, %%"REG_a",4), %%mm1           \n\t"
1637         "psrlw                  $8, %%mm0           \n\t"
1638         "psrlw                  $8, %%mm1           \n\t"
1639         "packuswb            %%mm1, %%mm0           \n\t"
1640         "movq                %%mm0, %%mm1           \n\t"
1641         "psrlw                  $8, %%mm0           \n\t"
1642         "pand                %%mm4, %%mm1           \n\t"
1643         "packuswb            %%mm0, %%mm0           \n\t"
1644         "packuswb            %%mm1, %%mm1           \n\t"
1645         "movd                %%mm0, (%3, %%"REG_a") \n\t"
1646         "movd                %%mm1, (%2, %%"REG_a") \n\t"
1647         "add                    $4, %%"REG_a"       \n\t"
1648         " js                    1b                  \n\t"
1649         : : "g" ((x86_reg)-width), "r" (src1+width*4), "r" (dstU+width), "r" (dstV+width)
1650         : "%"REG_a
1651     );
1652 #else
1653     int i;
1654     for (i=0; i<width; i++) {
1655         dstU[i]= src1[4*i + 1];
1656         dstV[i]= src1[4*i + 3];
1657     }
1658 #endif
1659     assert(src1 == src2);
1660 }
1661
1662 static inline void RENAME(LEToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
1663 {
1664 #if COMPILE_TEMPLATE_MMX
1665     __asm__ volatile(
1666         "mov                    %0, %%"REG_a"       \n\t"
1667         "1:                                         \n\t"
1668         "movq    (%1, %%"REG_a",2), %%mm0           \n\t"
1669         "movq   8(%1, %%"REG_a",2), %%mm1           \n\t"
1670         "movq    (%2, %%"REG_a",2), %%mm2           \n\t"
1671         "movq   8(%2, %%"REG_a",2), %%mm3           \n\t"
1672         "psrlw                  $8, %%mm0           \n\t"
1673         "psrlw                  $8, %%mm1           \n\t"
1674         "psrlw                  $8, %%mm2           \n\t"
1675         "psrlw                  $8, %%mm3           \n\t"
1676         "packuswb            %%mm1, %%mm0           \n\t"
1677         "packuswb            %%mm3, %%mm2           \n\t"
1678         "movq                %%mm0, (%3, %%"REG_a") \n\t"
1679         "movq                %%mm2, (%4, %%"REG_a") \n\t"
1680         "add                    $8, %%"REG_a"       \n\t"
1681         " js                    1b                  \n\t"
1682         : : "g" ((x86_reg)-width), "r" (src1+width*2), "r" (src2+width*2), "r" (dstU+width), "r" (dstV+width)
1683         : "%"REG_a
1684     );
1685 #else
1686     int i;
1687     for (i=0; i<width; i++) {
1688         dstU[i]= src1[2*i + 1];
1689         dstV[i]= src2[2*i + 1];
1690     }
1691 #endif
1692 }
1693
1694 /* This is almost identical to the previous, end exists only because
1695  * yuy2ToY/UV)(dst, src+1, ...) would have 100% unaligned accesses. */
1696 static inline void RENAME(uyvyToY)(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)
1697 {
1698 #if COMPILE_TEMPLATE_MMX
1699     __asm__ volatile(
1700         "mov                  %0, %%"REG_a"         \n\t"
1701         "1:                                         \n\t"
1702         "movq  (%1, %%"REG_a",2), %%mm0             \n\t"
1703         "movq 8(%1, %%"REG_a",2), %%mm1             \n\t"
1704         "psrlw                $8, %%mm0             \n\t"
1705         "psrlw                $8, %%mm1             \n\t"
1706         "packuswb          %%mm1, %%mm0             \n\t"
1707         "movq              %%mm0, (%2, %%"REG_a")   \n\t"
1708         "add                  $8, %%"REG_a"         \n\t"
1709         " js                  1b                    \n\t"
1710         : : "g" ((x86_reg)-width), "r" (src+width*2), "r" (dst+width)
1711         : "%"REG_a
1712     );
1713 #else
1714     int i;
1715     for (i=0; i<width; i++)
1716         dst[i]= src[2*i+1];
1717 #endif
1718 }
1719
1720 static inline void RENAME(uyvyToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
1721 {
1722 #if COMPILE_TEMPLATE_MMX
1723     __asm__ volatile(
1724         "movq "MANGLE(bm01010101)", %%mm4           \n\t"
1725         "mov                    %0, %%"REG_a"       \n\t"
1726         "1:                                         \n\t"
1727         "movq    (%1, %%"REG_a",4), %%mm0           \n\t"
1728         "movq   8(%1, %%"REG_a",4), %%mm1           \n\t"
1729         "pand                %%mm4, %%mm0           \n\t"
1730         "pand                %%mm4, %%mm1           \n\t"
1731         "packuswb            %%mm1, %%mm0           \n\t"
1732         "movq                %%mm0, %%mm1           \n\t"
1733         "psrlw                  $8, %%mm0           \n\t"
1734         "pand                %%mm4, %%mm1           \n\t"
1735         "packuswb            %%mm0, %%mm0           \n\t"
1736         "packuswb            %%mm1, %%mm1           \n\t"
1737         "movd                %%mm0, (%3, %%"REG_a") \n\t"
1738         "movd                %%mm1, (%2, %%"REG_a") \n\t"
1739         "add                    $4, %%"REG_a"       \n\t"
1740         " js                    1b                  \n\t"
1741         : : "g" ((x86_reg)-width), "r" (src1+width*4), "r" (dstU+width), "r" (dstV+width)
1742         : "%"REG_a
1743     );
1744 #else
1745     int i;
1746     for (i=0; i<width; i++) {
1747         dstU[i]= src1[4*i + 0];
1748         dstV[i]= src1[4*i + 2];
1749     }
1750 #endif
1751     assert(src1 == src2);
1752 }
1753
1754 static inline void RENAME(BEToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
1755 {
1756 #if COMPILE_TEMPLATE_MMX
1757     __asm__ volatile(
1758         "movq "MANGLE(bm01010101)", %%mm4           \n\t"
1759         "mov                    %0, %%"REG_a"       \n\t"
1760         "1:                                         \n\t"
1761         "movq    (%1, %%"REG_a",2), %%mm0           \n\t"
1762         "movq   8(%1, %%"REG_a",2), %%mm1           \n\t"
1763         "movq    (%2, %%"REG_a",2), %%mm2           \n\t"
1764         "movq   8(%2, %%"REG_a",2), %%mm3           \n\t"
1765         "pand                %%mm4, %%mm0           \n\t"
1766         "pand                %%mm4, %%mm1           \n\t"
1767         "pand                %%mm4, %%mm2           \n\t"
1768         "pand                %%mm4, %%mm3           \n\t"
1769         "packuswb            %%mm1, %%mm0           \n\t"
1770         "packuswb            %%mm3, %%mm2           \n\t"
1771         "movq                %%mm0, (%3, %%"REG_a") \n\t"
1772         "movq                %%mm2, (%4, %%"REG_a") \n\t"
1773         "add                    $8, %%"REG_a"       \n\t"
1774         " js                    1b                  \n\t"
1775         : : "g" ((x86_reg)-width), "r" (src1+width*2), "r" (src2+width*2), "r" (dstU+width), "r" (dstV+width)
1776         : "%"REG_a
1777     );
1778 #else
1779     int i;
1780     for (i=0; i<width; i++) {
1781         dstU[i]= src1[2*i];
1782         dstV[i]= src2[2*i];
1783     }
1784 #endif
1785 }
1786
1787 static inline void RENAME(nvXXtoUV)(uint8_t *dst1, uint8_t *dst2,
1788                                     const uint8_t *src, long width)
1789 {
1790 #if COMPILE_TEMPLATE_MMX
1791     __asm__ volatile(
1792         "movq "MANGLE(bm01010101)", %%mm4           \n\t"
1793         "mov                    %0, %%"REG_a"       \n\t"
1794         "1:                                         \n\t"
1795         "movq    (%1, %%"REG_a",2), %%mm0           \n\t"
1796         "movq   8(%1, %%"REG_a",2), %%mm1           \n\t"
1797         "movq                %%mm0, %%mm2           \n\t"
1798         "movq                %%mm1, %%mm3           \n\t"
1799         "pand                %%mm4, %%mm0           \n\t"
1800         "pand                %%mm4, %%mm1           \n\t"
1801         "psrlw                  $8, %%mm2           \n\t"
1802         "psrlw                  $8, %%mm3           \n\t"
1803         "packuswb            %%mm1, %%mm0           \n\t"
1804         "packuswb            %%mm3, %%mm2           \n\t"
1805         "movq                %%mm0, (%2, %%"REG_a") \n\t"
1806         "movq                %%mm2, (%3, %%"REG_a") \n\t"
1807         "add                    $8, %%"REG_a"       \n\t"
1808         " js                    1b                  \n\t"
1809         : : "g" ((x86_reg)-width), "r" (src+width*2), "r" (dst1+width), "r" (dst2+width)
1810         : "%"REG_a
1811     );
1812 #else
1813     int i;
1814     for (i = 0; i < width; i++) {
1815         dst1[i] = src[2*i+0];
1816         dst2[i] = src[2*i+1];
1817     }
1818 #endif
1819 }
1820
1821 static inline void RENAME(nv12ToUV)(uint8_t *dstU, uint8_t *dstV,
1822                                     const uint8_t *src1, const uint8_t *src2,
1823                                     long width, uint32_t *unused)
1824 {
1825     RENAME(nvXXtoUV)(dstU, dstV, src1, width);
1826 }
1827
1828 static inline void RENAME(nv21ToUV)(uint8_t *dstU, uint8_t *dstV,
1829                                     const uint8_t *src1, const uint8_t *src2,
1830                                     long width, uint32_t *unused)
1831 {
1832     RENAME(nvXXtoUV)(dstV, dstU, src1, width);
1833 }
1834
1835 #if COMPILE_TEMPLATE_MMX
1836 static inline void RENAME(bgr24ToY_mmx)(uint8_t *dst, const uint8_t *src, long width, enum PixelFormat srcFormat)
1837 {
1838
1839     if(srcFormat == PIX_FMT_BGR24) {
1840         __asm__ volatile(
1841             "movq  "MANGLE(ff_bgr24toY1Coeff)", %%mm5       \n\t"
1842             "movq  "MANGLE(ff_bgr24toY2Coeff)", %%mm6       \n\t"
1843             :
1844         );
1845     } else {
1846         __asm__ volatile(
1847             "movq  "MANGLE(ff_rgb24toY1Coeff)", %%mm5       \n\t"
1848             "movq  "MANGLE(ff_rgb24toY2Coeff)", %%mm6       \n\t"
1849             :
1850         );
1851     }
1852
1853     __asm__ volatile(
1854         "movq  "MANGLE(ff_bgr24toYOffset)", %%mm4   \n\t"
1855         "mov                        %2, %%"REG_a"   \n\t"
1856         "pxor                    %%mm7, %%mm7       \n\t"
1857         "1:                                         \n\t"
1858         PREFETCH"               64(%0)              \n\t"
1859         "movd                     (%0), %%mm0       \n\t"
1860         "movd                    2(%0), %%mm1       \n\t"
1861         "movd                    6(%0), %%mm2       \n\t"
1862         "movd                    8(%0), %%mm3       \n\t"
1863         "add                       $12, %0          \n\t"
1864         "punpcklbw               %%mm7, %%mm0       \n\t"
1865         "punpcklbw               %%mm7, %%mm1       \n\t"
1866         "punpcklbw               %%mm7, %%mm2       \n\t"
1867         "punpcklbw               %%mm7, %%mm3       \n\t"
1868         "pmaddwd                 %%mm5, %%mm0       \n\t"
1869         "pmaddwd                 %%mm6, %%mm1       \n\t"
1870         "pmaddwd                 %%mm5, %%mm2       \n\t"
1871         "pmaddwd                 %%mm6, %%mm3       \n\t"
1872         "paddd                   %%mm1, %%mm0       \n\t"
1873         "paddd                   %%mm3, %%mm2       \n\t"
1874         "paddd                   %%mm4, %%mm0       \n\t"
1875         "paddd                   %%mm4, %%mm2       \n\t"
1876         "psrad                     $15, %%mm0       \n\t"
1877         "psrad                     $15, %%mm2       \n\t"
1878         "packssdw                %%mm2, %%mm0       \n\t"
1879         "packuswb                %%mm0, %%mm0       \n\t"
1880         "movd                %%mm0, (%1, %%"REG_a") \n\t"
1881         "add                        $4, %%"REG_a"   \n\t"
1882         " js                        1b              \n\t"
1883     : "+r" (src)
1884     : "r" (dst+width), "g" ((x86_reg)-width)
1885     : "%"REG_a
1886     );
1887 }
1888
1889 static inline void RENAME(bgr24ToUV_mmx)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src, long width, enum PixelFormat srcFormat)
1890 {
1891     __asm__ volatile(
1892         "movq                    24+%4, %%mm6       \n\t"
1893         "mov                        %3, %%"REG_a"   \n\t"
1894         "pxor                    %%mm7, %%mm7       \n\t"
1895         "1:                                         \n\t"
1896         PREFETCH"               64(%0)              \n\t"
1897         "movd                     (%0), %%mm0       \n\t"
1898         "movd                    2(%0), %%mm1       \n\t"
1899         "punpcklbw               %%mm7, %%mm0       \n\t"
1900         "punpcklbw               %%mm7, %%mm1       \n\t"
1901         "movq                    %%mm0, %%mm2       \n\t"
1902         "movq                    %%mm1, %%mm3       \n\t"
1903         "pmaddwd                    %4, %%mm0       \n\t"
1904         "pmaddwd                  8+%4, %%mm1       \n\t"
1905         "pmaddwd                 16+%4, %%mm2       \n\t"
1906         "pmaddwd                 %%mm6, %%mm3       \n\t"
1907         "paddd                   %%mm1, %%mm0       \n\t"
1908         "paddd                   %%mm3, %%mm2       \n\t"
1909
1910         "movd                    6(%0), %%mm1       \n\t"
1911         "movd                    8(%0), %%mm3       \n\t"
1912         "add                       $12, %0          \n\t"
1913         "punpcklbw               %%mm7, %%mm1       \n\t"
1914         "punpcklbw               %%mm7, %%mm3       \n\t"
1915         "movq                    %%mm1, %%mm4       \n\t"
1916         "movq                    %%mm3, %%mm5       \n\t"
1917         "pmaddwd                    %4, %%mm1       \n\t"
1918         "pmaddwd                  8+%4, %%mm3       \n\t"
1919         "pmaddwd                 16+%4, %%mm4       \n\t"
1920         "pmaddwd                 %%mm6, %%mm5       \n\t"
1921         "paddd                   %%mm3, %%mm1       \n\t"
1922         "paddd                   %%mm5, %%mm4       \n\t"
1923
1924         "movq "MANGLE(ff_bgr24toUVOffset)", %%mm3       \n\t"
1925         "paddd                   %%mm3, %%mm0       \n\t"
1926         "paddd                   %%mm3, %%mm2       \n\t"
1927         "paddd                   %%mm3, %%mm1       \n\t"
1928         "paddd                   %%mm3, %%mm4       \n\t"
1929         "psrad                     $15, %%mm0       \n\t"
1930         "psrad                     $15, %%mm2       \n\t"
1931         "psrad                     $15, %%mm1       \n\t"
1932         "psrad                     $15, %%mm4       \n\t"
1933         "packssdw                %%mm1, %%mm0       \n\t"
1934         "packssdw                %%mm4, %%mm2       \n\t"
1935         "packuswb                %%mm0, %%mm0       \n\t"
1936         "packuswb                %%mm2, %%mm2       \n\t"
1937         "movd                %%mm0, (%1, %%"REG_a") \n\t"
1938         "movd                %%mm2, (%2, %%"REG_a") \n\t"
1939         "add                        $4, %%"REG_a"   \n\t"
1940         " js                        1b              \n\t"
1941     : "+r" (src)
1942     : "r" (dstU+width), "r" (dstV+width), "g" ((x86_reg)-width), "m"(ff_bgr24toUV[srcFormat == PIX_FMT_RGB24][0])
1943     : "%"REG_a
1944     );
1945 }
1946 #endif
1947
1948 static inline void RENAME(bgr24ToY)(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)
1949 {
1950 #if COMPILE_TEMPLATE_MMX
1951     RENAME(bgr24ToY_mmx)(dst, src, width, PIX_FMT_BGR24);
1952 #else
1953     int i;
1954     for (i=0; i<width; i++) {
1955         int b= src[i*3+0];
1956         int g= src[i*3+1];
1957         int r= src[i*3+2];
1958
1959         dst[i]= ((RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);
1960     }
1961 #endif /* COMPILE_TEMPLATE_MMX */
1962 }
1963
1964 static inline void RENAME(bgr24ToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
1965 {
1966 #if COMPILE_TEMPLATE_MMX
1967     RENAME(bgr24ToUV_mmx)(dstU, dstV, src1, width, PIX_FMT_BGR24);
1968 #else
1969     int i;
1970     for (i=0; i<width; i++) {
1971         int b= src1[3*i + 0];
1972         int g= src1[3*i + 1];
1973         int r= src1[3*i + 2];
1974
1975         dstU[i]= (RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;
1976         dstV[i]= (RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;
1977     }
1978 #endif /* COMPILE_TEMPLATE_MMX */
1979     assert(src1 == src2);
1980 }
1981
1982 static inline void RENAME(bgr24ToUV_half)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
1983 {
1984     int i;
1985     for (i=0; i<width; i++) {
1986         int b= src1[6*i + 0] + src1[6*i + 3];
1987         int g= src1[6*i + 1] + src1[6*i + 4];
1988         int r= src1[6*i + 2] + src1[6*i + 5];
1989
1990         dstU[i]= (RU*r + GU*g + BU*b + (257<<RGB2YUV_SHIFT))>>(RGB2YUV_SHIFT+1);
1991         dstV[i]= (RV*r + GV*g + BV*b + (257<<RGB2YUV_SHIFT))>>(RGB2YUV_SHIFT+1);
1992     }
1993     assert(src1 == src2);
1994 }
1995
1996 static inline void RENAME(rgb24ToY)(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)
1997 {
1998 #if COMPILE_TEMPLATE_MMX
1999     RENAME(bgr24ToY_mmx)(dst, src, width, PIX_FMT_RGB24);
2000 #else
2001     int i;
2002     for (i=0; i<width; i++) {
2003         int r= src[i*3+0];
2004         int g= src[i*3+1];
2005         int b= src[i*3+2];
2006
2007         dst[i]= ((RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);
2008     }
2009 #endif
2010 }
2011
2012 static inline void RENAME(rgb24ToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
2013 {
2014 #if COMPILE_TEMPLATE_MMX
2015     assert(src1==src2);
2016     RENAME(bgr24ToUV_mmx)(dstU, dstV, src1, width, PIX_FMT_RGB24);
2017 #else
2018     int i;
2019     assert(src1==src2);
2020     for (i=0; i<width; i++) {
2021         int r= src1[3*i + 0];
2022         int g= src1[3*i + 1];
2023         int b= src1[3*i + 2];
2024
2025         dstU[i]= (RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;
2026         dstV[i]= (RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;
2027     }
2028 #endif
2029 }
2030
2031 static inline void RENAME(rgb24ToUV_half)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
2032 {
2033     int i;
2034     assert(src1==src2);
2035     for (i=0; i<width; i++) {
2036         int r= src1[6*i + 0] + src1[6*i + 3];
2037         int g= src1[6*i + 1] + src1[6*i + 4];
2038         int b= src1[6*i + 2] + src1[6*i + 5];
2039
2040         dstU[i]= (RU*r + GU*g + BU*b + (257<<RGB2YUV_SHIFT))>>(RGB2YUV_SHIFT+1);
2041         dstV[i]= (RV*r + GV*g + BV*b + (257<<RGB2YUV_SHIFT))>>(RGB2YUV_SHIFT+1);
2042     }
2043 }
2044
2045
2046 // bilinear / bicubic scaling
2047 static inline void RENAME(hScale)(int16_t *dst, int dstW, const uint8_t *src, int srcW, int xInc,
2048                                   const int16_t *filter, const int16_t *filterPos, long filterSize)
2049 {
2050 #if COMPILE_TEMPLATE_MMX
2051     assert(filterSize % 4 == 0 && filterSize>0);
2052     if (filterSize==4) { // Always true for upscaling, sometimes for down, too.
2053         x86_reg counter= -2*dstW;
2054         filter-= counter*2;
2055         filterPos-= counter/2;
2056         dst-= counter/2;
2057         __asm__ volatile(
2058 #if defined(PIC)
2059             "push            %%"REG_b"              \n\t"
2060 #endif
2061             "pxor                %%mm7, %%mm7       \n\t"
2062             "push           %%"REG_BP"              \n\t" // we use 7 regs here ...
2063             "mov             %%"REG_a", %%"REG_BP"  \n\t"
2064             ASMALIGN(4)
2065             "1:                                     \n\t"
2066             "movzwl   (%2, %%"REG_BP"), %%eax       \n\t"
2067             "movzwl  2(%2, %%"REG_BP"), %%ebx       \n\t"
2068             "movq  (%1, %%"REG_BP", 4), %%mm1       \n\t"
2069             "movq 8(%1, %%"REG_BP", 4), %%mm3       \n\t"
2070             "movd      (%3, %%"REG_a"), %%mm0       \n\t"
2071             "movd      (%3, %%"REG_b"), %%mm2       \n\t"
2072             "punpcklbw           %%mm7, %%mm0       \n\t"
2073             "punpcklbw           %%mm7, %%mm2       \n\t"
2074             "pmaddwd             %%mm1, %%mm0       \n\t"
2075             "pmaddwd             %%mm2, %%mm3       \n\t"
2076             "movq                %%mm0, %%mm4       \n\t"
2077             "punpckldq           %%mm3, %%mm0       \n\t"
2078             "punpckhdq           %%mm3, %%mm4       \n\t"
2079             "paddd               %%mm4, %%mm0       \n\t"
2080             "psrad                  $7, %%mm0       \n\t"
2081             "packssdw            %%mm0, %%mm0       \n\t"
2082             "movd                %%mm0, (%4, %%"REG_BP")    \n\t"
2083             "add                    $4, %%"REG_BP"  \n\t"
2084             " jnc                   1b              \n\t"
2085
2086             "pop            %%"REG_BP"              \n\t"
2087 #if defined(PIC)
2088             "pop             %%"REG_b"              \n\t"
2089 #endif
2090             : "+a" (counter)
2091             : "c" (filter), "d" (filterPos), "S" (src), "D" (dst)
2092 #if !defined(PIC)
2093             : "%"REG_b
2094 #endif
2095         );
2096     } else if (filterSize==8) {
2097         x86_reg counter= -2*dstW;
2098         filter-= counter*4;
2099         filterPos-= counter/2;
2100         dst-= counter/2;
2101         __asm__ volatile(
2102 #if defined(PIC)
2103             "push             %%"REG_b"             \n\t"
2104 #endif
2105             "pxor                 %%mm7, %%mm7      \n\t"
2106             "push            %%"REG_BP"             \n\t" // we use 7 regs here ...
2107             "mov              %%"REG_a", %%"REG_BP" \n\t"
2108             ASMALIGN(4)
2109             "1:                                     \n\t"
2110             "movzwl    (%2, %%"REG_BP"), %%eax      \n\t"
2111             "movzwl   2(%2, %%"REG_BP"), %%ebx      \n\t"
2112             "movq   (%1, %%"REG_BP", 8), %%mm1      \n\t"
2113             "movq 16(%1, %%"REG_BP", 8), %%mm3      \n\t"
2114             "movd       (%3, %%"REG_a"), %%mm0      \n\t"
2115             "movd       (%3, %%"REG_b"), %%mm2      \n\t"
2116             "punpcklbw            %%mm7, %%mm0      \n\t"
2117             "punpcklbw            %%mm7, %%mm2      \n\t"
2118             "pmaddwd              %%mm1, %%mm0      \n\t"
2119             "pmaddwd              %%mm2, %%mm3      \n\t"
2120
2121             "movq  8(%1, %%"REG_BP", 8), %%mm1      \n\t"
2122             "movq 24(%1, %%"REG_BP", 8), %%mm5      \n\t"
2123             "movd      4(%3, %%"REG_a"), %%mm4      \n\t"
2124             "movd      4(%3, %%"REG_b"), %%mm2      \n\t"
2125             "punpcklbw            %%mm7, %%mm4      \n\t"
2126             "punpcklbw            %%mm7, %%mm2      \n\t"
2127             "pmaddwd              %%mm1, %%mm4      \n\t"
2128             "pmaddwd              %%mm2, %%mm5      \n\t"
2129             "paddd                %%mm4, %%mm0      \n\t"
2130             "paddd                %%mm5, %%mm3      \n\t"
2131             "movq                 %%mm0, %%mm4      \n\t"
2132             "punpckldq            %%mm3, %%mm0      \n\t"
2133             "punpckhdq            %%mm3, %%mm4      \n\t"
2134             "paddd                %%mm4, %%mm0      \n\t"
2135             "psrad                   $7, %%mm0      \n\t"
2136             "packssdw             %%mm0, %%mm0      \n\t"
2137             "movd                 %%mm0, (%4, %%"REG_BP")   \n\t"
2138             "add                     $4, %%"REG_BP" \n\t"
2139             " jnc                    1b             \n\t"
2140
2141             "pop             %%"REG_BP"             \n\t"
2142 #if defined(PIC)
2143             "pop              %%"REG_b"             \n\t"
2144 #endif
2145             : "+a" (counter)
2146             : "c" (filter), "d" (filterPos), "S" (src), "D" (dst)
2147 #if !defined(PIC)
2148             : "%"REG_b
2149 #endif
2150         );
2151     } else {
2152         uint8_t *offset = src+filterSize;
2153         x86_reg counter= -2*dstW;
2154         //filter-= counter*filterSize/2;
2155         filterPos-= counter/2;
2156         dst-= counter/2;
2157         __asm__ volatile(
2158             "pxor                  %%mm7, %%mm7     \n\t"
2159             ASMALIGN(4)
2160             "1:                                     \n\t"
2161             "mov                      %2, %%"REG_c" \n\t"
2162             "movzwl      (%%"REG_c", %0), %%eax     \n\t"
2163             "movzwl     2(%%"REG_c", %0), %%edx     \n\t"
2164             "mov                      %5, %%"REG_c" \n\t"
2165             "pxor                  %%mm4, %%mm4     \n\t"
2166             "pxor                  %%mm5, %%mm5     \n\t"
2167             "2:                                     \n\t"
2168             "movq                   (%1), %%mm1     \n\t"
2169             "movq               (%1, %6), %%mm3     \n\t"
2170             "movd (%%"REG_c", %%"REG_a"), %%mm0     \n\t"
2171             "movd (%%"REG_c", %%"REG_d"), %%mm2     \n\t"
2172             "punpcklbw             %%mm7, %%mm0     \n\t"
2173             "punpcklbw             %%mm7, %%mm2     \n\t"
2174             "pmaddwd               %%mm1, %%mm0     \n\t"
2175             "pmaddwd               %%mm2, %%mm3     \n\t"
2176             "paddd                 %%mm3, %%mm5     \n\t"
2177             "paddd                 %%mm0, %%mm4     \n\t"
2178             "add                      $8, %1        \n\t"
2179             "add                      $4, %%"REG_c" \n\t"
2180             "cmp                      %4, %%"REG_c" \n\t"
2181             " jb                      2b            \n\t"
2182             "add                      %6, %1        \n\t"
2183             "movq                  %%mm4, %%mm0     \n\t"
2184             "punpckldq             %%mm5, %%mm4     \n\t"
2185             "punpckhdq             %%mm5, %%mm0     \n\t"
2186             "paddd                 %%mm0, %%mm4     \n\t"
2187             "psrad                    $7, %%mm4     \n\t"
2188             "packssdw              %%mm4, %%mm4     \n\t"
2189             "mov                      %3, %%"REG_a" \n\t"
2190             "movd                  %%mm4, (%%"REG_a", %0)   \n\t"
2191             "add                      $4, %0        \n\t"
2192             " jnc                     1b            \n\t"
2193
2194             : "+r" (counter), "+r" (filter)
2195             : "m" (filterPos), "m" (dst), "m"(offset),
2196             "m" (src), "r" ((x86_reg)filterSize*2)
2197             : "%"REG_a, "%"REG_c, "%"REG_d
2198         );
2199     }
2200 #else
2201 #if COMPILE_TEMPLATE_ALTIVEC
2202     hScale_altivec_real(dst, dstW, src, srcW, xInc, filter, filterPos, filterSize);
2203 #else
2204     int i;
2205     for (i=0; i<dstW; i++) {
2206         int j;
2207         int srcPos= filterPos[i];
2208         int val=0;
2209         //printf("filterPos: %d\n", filterPos[i]);
2210         for (j=0; j<filterSize; j++) {
2211             //printf("filter: %d, src: %d\n", filter[i], src[srcPos + j]);
2212             val += ((int)src[srcPos + j])*filter[filterSize*i + j];
2213         }
2214         //filter += hFilterSize;
2215         dst[i] = FFMIN(val>>7, (1<<15)-1); // the cubic equation does overflow ...
2216         //dst[i] = val>>7;
2217     }
2218 #endif /* COMPILE_ALTIVEC */
2219 #endif /* COMPILE_MMX */
2220 }
2221
2222 //FIXME all pal and rgb srcFormats could do this convertion as well
2223 //FIXME all scalers more complex than bilinear could do half of this transform
2224 static void RENAME(chrRangeToJpeg)(uint16_t *dst, int width)
2225 {
2226     int i;
2227     for (i = 0; i < width; i++) {
2228         dst[i     ] = (FFMIN(dst[i     ],30775)*4663 - 9289992)>>12; //-264
2229         dst[i+VOFW] = (FFMIN(dst[i+VOFW],30775)*4663 - 9289992)>>12; //-264
2230     }
2231 }
2232 static void RENAME(chrRangeFromJpeg)(uint16_t *dst, int width)
2233 {
2234     int i;
2235     for (i = 0; i < width; i++) {
2236         dst[i     ] = (dst[i     ]*1799 + 4081085)>>11; //1469
2237         dst[i+VOFW] = (dst[i+VOFW]*1799 + 4081085)>>11; //1469
2238     }
2239 }
2240 static void RENAME(lumRangeToJpeg)(uint16_t *dst, int width)
2241 {
2242     int i;
2243     for (i = 0; i < width; i++)
2244         dst[i] = (FFMIN(dst[i],30189)*19077 - 39057361)>>14;
2245 }
2246 static void RENAME(lumRangeFromJpeg)(uint16_t *dst, int width)
2247 {
2248     int i;
2249     for (i = 0; i < width; i++)
2250         dst[i] = (dst[i]*14071 + 33561947)>>14;
2251 }
2252
2253 #define FAST_BILINEAR_X86 \
2254     "subl    %%edi, %%esi    \n\t" /*  src[xx+1] - src[xx] */                   \
2255     "imull   %%ecx, %%esi    \n\t" /* (src[xx+1] - src[xx])*xalpha */           \
2256     "shll      $16, %%edi    \n\t"                                              \
2257     "addl    %%edi, %%esi    \n\t" /* src[xx+1]*xalpha + src[xx]*(1-xalpha) */  \
2258     "mov        %1, %%"REG_D"\n\t"                                              \
2259     "shrl       $9, %%esi    \n\t"                                              \
2260
2261 static inline void RENAME(hyscale_fast)(SwsContext *c, int16_t *dst,
2262                                         long dstWidth, const uint8_t *src, int srcW,
2263                                         int xInc)
2264 {
2265 #if ARCH_X86 && CONFIG_GPL
2266 #if COMPILE_TEMPLATE_MMX2
2267     int32_t *mmx2FilterPos = c->lumMmx2FilterPos;
2268     int16_t *mmx2Filter    = c->lumMmx2Filter;
2269     int     canMMX2BeUsed  = c->canMMX2BeUsed;
2270     void    *mmx2FilterCode= c->lumMmx2FilterCode;
2271     int i;
2272 #if defined(PIC)
2273     DECLARE_ALIGNED(8, uint64_t, ebxsave);
2274 #endif
2275     if (canMMX2BeUsed) {
2276         __asm__ volatile(
2277 #if defined(PIC)
2278             "mov               %%"REG_b", %5        \n\t"
2279 #endif
2280             "pxor                  %%mm7, %%mm7     \n\t"
2281             "mov                      %0, %%"REG_c" \n\t"
2282             "mov                      %1, %%"REG_D" \n\t"
2283             "mov                      %2, %%"REG_d" \n\t"
2284             "mov                      %3, %%"REG_b" \n\t"
2285             "xor               %%"REG_a", %%"REG_a" \n\t" // i
2286             PREFETCH"        (%%"REG_c")            \n\t"
2287             PREFETCH"      32(%%"REG_c")            \n\t"
2288             PREFETCH"      64(%%"REG_c")            \n\t"
2289
2290 #if ARCH_X86_64
2291
2292 #define CALL_MMX2_FILTER_CODE \
2293             "movl            (%%"REG_b"), %%esi     \n\t"\
2294             "call                    *%4            \n\t"\
2295             "movl (%%"REG_b", %%"REG_a"), %%esi     \n\t"\
2296             "add               %%"REG_S", %%"REG_c" \n\t"\
2297             "add               %%"REG_a", %%"REG_D" \n\t"\
2298             "xor               %%"REG_a", %%"REG_a" \n\t"\
2299
2300 #else
2301
2302 #define CALL_MMX2_FILTER_CODE \
2303             "movl (%%"REG_b"), %%esi        \n\t"\
2304             "call         *%4                       \n\t"\
2305             "addl (%%"REG_b", %%"REG_a"), %%"REG_c" \n\t"\
2306             "add               %%"REG_a", %%"REG_D" \n\t"\
2307             "xor               %%"REG_a", %%"REG_a" \n\t"\
2308
2309 #endif /* ARCH_X86_64 */
2310
2311             CALL_MMX2_FILTER_CODE
2312             CALL_MMX2_FILTER_CODE
2313             CALL_MMX2_FILTER_CODE
2314             CALL_MMX2_FILTER_CODE
2315             CALL_MMX2_FILTER_CODE
2316             CALL_MMX2_FILTER_CODE
2317             CALL_MMX2_FILTER_CODE
2318             CALL_MMX2_FILTER_CODE
2319
2320 #if defined(PIC)
2321             "mov                      %5, %%"REG_b" \n\t"
2322 #endif
2323             :: "m" (src), "m" (dst), "m" (mmx2Filter), "m" (mmx2FilterPos),
2324             "m" (mmx2FilterCode)
2325 #if defined(PIC)
2326             ,"m" (ebxsave)
2327 #endif
2328             : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D
2329 #if !defined(PIC)
2330             ,"%"REG_b
2331 #endif
2332         );
2333         for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--) dst[i] = src[srcW-1]*128;
2334     } else {
2335 #endif /* COMPILE_TEMPLATE_MMX2 */
2336     x86_reg xInc_shr16 = xInc >> 16;
2337     uint16_t xInc_mask = xInc & 0xffff;
2338     //NO MMX just normal asm ...
2339     __asm__ volatile(
2340         "xor %%"REG_a", %%"REG_a"            \n\t" // i
2341         "xor %%"REG_d", %%"REG_d"            \n\t" // xx
2342         "xorl    %%ecx, %%ecx                \n\t" // xalpha
2343         ASMALIGN(4)
2344         "1:                                  \n\t"
2345         "movzbl    (%0, %%"REG_d"), %%edi    \n\t" //src[xx]
2346         "movzbl   1(%0, %%"REG_d"), %%esi    \n\t" //src[xx+1]
2347         FAST_BILINEAR_X86
2348         "movw     %%si, (%%"REG_D", %%"REG_a", 2)   \n\t"
2349         "addw       %4, %%cx                 \n\t" //xalpha += xInc&0xFFFF
2350         "adc        %3, %%"REG_d"            \n\t" //xx+= xInc>>16 + carry
2351
2352         "movzbl    (%0, %%"REG_d"), %%edi    \n\t" //src[xx]
2353         "movzbl   1(%0, %%"REG_d"), %%esi    \n\t" //src[xx+1]
2354         FAST_BILINEAR_X86
2355         "movw     %%si, 2(%%"REG_D", %%"REG_a", 2)  \n\t"
2356         "addw       %4, %%cx                 \n\t" //xalpha += xInc&0xFFFF
2357         "adc        %3, %%"REG_d"            \n\t" //xx+= xInc>>16 + carry
2358
2359
2360         "add        $2, %%"REG_a"            \n\t"
2361         "cmp        %2, %%"REG_a"            \n\t"
2362         " jb        1b                       \n\t"
2363
2364
2365         :: "r" (src), "m" (dst), "m" (dstWidth), "m" (xInc_shr16), "m" (xInc_mask)
2366         : "%"REG_a, "%"REG_d, "%ecx", "%"REG_D, "%esi"
2367     );
2368 #if COMPILE_TEMPLATE_MMX2
2369     } //if MMX2 can't be used
2370 #endif
2371 #else
2372     int i;
2373     unsigned int xpos=0;
2374     for (i=0;i<dstWidth;i++) {
2375         register unsigned int xx=xpos>>16;
2376         register unsigned int xalpha=(xpos&0xFFFF)>>9;
2377         dst[i]= (src[xx]<<7) + (src[xx+1] - src[xx])*xalpha;
2378         xpos+=xInc;
2379     }
2380 #endif /* ARCH_X86 */
2381 }
2382
2383       // *** horizontal scale Y line to temp buffer
2384 static inline void RENAME(hyscale)(SwsContext *c, uint16_t *dst, long dstWidth, const uint8_t *src, int srcW, int xInc,
2385                                    const int16_t *hLumFilter,
2386                                    const int16_t *hLumFilterPos, int hLumFilterSize,
2387                                    uint8_t *formatConvBuffer,
2388                                    uint32_t *pal, int isAlpha)
2389 {
2390     void (*toYV12)(uint8_t *, const uint8_t *, long, uint32_t *) = isAlpha ? c->alpToYV12 : c->lumToYV12;
2391     void (*convertRange)(uint16_t *, int) = isAlpha ? NULL : c->lumConvertRange;
2392
2393     src += isAlpha ? c->alpSrcOffset : c->lumSrcOffset;
2394
2395     if (toYV12) {
2396         toYV12(formatConvBuffer, src, srcW, pal);
2397         src= formatConvBuffer;
2398     }
2399
2400     if (!c->hyscale_fast)
2401     {
2402         c->hScale(dst, dstWidth, src, srcW, xInc, hLumFilter, hLumFilterPos, hLumFilterSize);
2403     } else { // fast bilinear upscale / crap downscale
2404         c->hyscale_fast(c, dst, dstWidth, src, srcW, xInc);
2405     }
2406
2407     if (convertRange)
2408         convertRange(dst, dstWidth);
2409 }
2410
2411 static inline void RENAME(hcscale_fast)(SwsContext *c, int16_t *dst,
2412                                         long dstWidth, const uint8_t *src1,
2413                                         const uint8_t *src2, int srcW, int xInc)
2414 {
2415 #if ARCH_X86 && CONFIG_GPL
2416 #if COMPILE_TEMPLATE_MMX2
2417     int32_t *mmx2FilterPos = c->chrMmx2FilterPos;
2418     int16_t *mmx2Filter    = c->chrMmx2Filter;
2419     int     canMMX2BeUsed  = c->canMMX2BeUsed;
2420     void    *mmx2FilterCode= c->chrMmx2FilterCode;
2421     int i;
2422 #if defined(PIC)
2423     DECLARE_ALIGNED(8, uint64_t, ebxsave);
2424 #endif
2425     if (canMMX2BeUsed) {
2426         __asm__ volatile(
2427 #if defined(PIC)
2428             "mov          %%"REG_b", %6         \n\t"
2429 #endif
2430             "pxor             %%mm7, %%mm7      \n\t"
2431             "mov                 %0, %%"REG_c"  \n\t"
2432             "mov                 %1, %%"REG_D"  \n\t"
2433             "mov                 %2, %%"REG_d"  \n\t"
2434             "mov                 %3, %%"REG_b"  \n\t"
2435             "xor          %%"REG_a", %%"REG_a"  \n\t" // i
2436             PREFETCH"   (%%"REG_c")             \n\t"
2437             PREFETCH" 32(%%"REG_c")             \n\t"
2438             PREFETCH" 64(%%"REG_c")             \n\t"
2439
2440             CALL_MMX2_FILTER_CODE
2441             CALL_MMX2_FILTER_CODE
2442             CALL_MMX2_FILTER_CODE
2443             CALL_MMX2_FILTER_CODE
2444             "xor          %%"REG_a", %%"REG_a"  \n\t" // i
2445             "mov                 %5, %%"REG_c"  \n\t" // src
2446             "mov                 %1, %%"REG_D"  \n\t" // buf1
2447             "add              $"AV_STRINGIFY(VOF)", %%"REG_D"  \n\t"
2448             PREFETCH"   (%%"REG_c")             \n\t"
2449             PREFETCH" 32(%%"REG_c")             \n\t"
2450             PREFETCH" 64(%%"REG_c")             \n\t"
2451
2452             CALL_MMX2_FILTER_CODE
2453             CALL_MMX2_FILTER_CODE
2454             CALL_MMX2_FILTER_CODE
2455             CALL_MMX2_FILTER_CODE
2456
2457 #if defined(PIC)
2458             "mov %6, %%"REG_b"    \n\t"
2459 #endif
2460             :: "m" (src1), "m" (dst), "m" (mmx2Filter), "m" (mmx2FilterPos),
2461             "m" (mmx2FilterCode), "m" (src2)
2462 #if defined(PIC)
2463             ,"m" (ebxsave)
2464 #endif
2465             : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D
2466 #if !defined(PIC)
2467             ,"%"REG_b
2468 #endif
2469         );
2470         for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--) {
2471             //printf("%d %d %d\n", dstWidth, i, srcW);
2472             dst[i] = src1[srcW-1]*128;
2473             dst[i+VOFW] = src2[srcW-1]*128;
2474         }
2475     } else {
2476 #endif /* COMPILE_TEMPLATE_MMX2 */
2477         x86_reg xInc_shr16 = (x86_reg) (xInc >> 16);
2478         uint16_t xInc_mask = xInc & 0xffff;
2479         __asm__ volatile(
2480             "xor %%"REG_a", %%"REG_a"               \n\t" // i
2481             "xor %%"REG_d", %%"REG_d"               \n\t" // xx
2482             "xorl    %%ecx, %%ecx                   \n\t" // xalpha
2483             ASMALIGN(4)
2484             "1:                                     \n\t"
2485             "mov        %0, %%"REG_S"               \n\t"
2486             "movzbl  (%%"REG_S", %%"REG_d"), %%edi  \n\t" //src[xx]
2487             "movzbl 1(%%"REG_S", %%"REG_d"), %%esi  \n\t" //src[xx+1]
2488             FAST_BILINEAR_X86
2489             "movw     %%si, (%%"REG_D", %%"REG_a", 2)   \n\t"
2490
2491             "movzbl    (%5, %%"REG_d"), %%edi       \n\t" //src[xx]
2492             "movzbl   1(%5, %%"REG_d"), %%esi       \n\t" //src[xx+1]
2493             FAST_BILINEAR_X86
2494             "movw     %%si, "AV_STRINGIFY(VOF)"(%%"REG_D", %%"REG_a", 2)   \n\t"
2495
2496             "addw       %4, %%cx                    \n\t" //xalpha += xInc&0xFFFF
2497             "adc        %3, %%"REG_d"               \n\t" //xx+= xInc>>16 + carry
2498             "add        $1, %%"REG_a"               \n\t"
2499             "cmp        %2, %%"REG_a"               \n\t"
2500             " jb        1b                          \n\t"
2501
2502 /* GCC 3.3 makes MPlayer crash on IA-32 machines when using "g" operand here,
2503 which is needed to support GCC 4.0. */
2504 #if ARCH_X86_64 && AV_GCC_VERSION_AT_LEAST(3,4)
2505             :: "m" (src1), "m" (dst), "g" (dstWidth), "m" (xInc_shr16), "m" (xInc_mask),
2506 #else
2507             :: "m" (src1), "m" (dst), "m" (dstWidth), "m" (xInc_shr16), "m" (xInc_mask),
2508 #endif
2509             "r" (src2)
2510             : "%"REG_a, "%"REG_d, "%ecx", "%"REG_D, "%esi"
2511         );
2512 #if COMPILE_TEMPLATE_MMX2
2513     } //if MMX2 can't be used
2514 #endif
2515 #else
2516     int i;
2517     unsigned int xpos=0;
2518     for (i=0;i<dstWidth;i++) {
2519         register unsigned int xx=xpos>>16;
2520         register unsigned int xalpha=(xpos&0xFFFF)>>9;
2521         dst[i]=(src1[xx]*(xalpha^127)+src1[xx+1]*xalpha);
2522         dst[i+VOFW]=(src2[xx]*(xalpha^127)+src2[xx+1]*xalpha);
2523         /* slower
2524         dst[i]= (src1[xx]<<7) + (src1[xx+1] - src1[xx])*xalpha;
2525         dst[i+VOFW]=(src2[xx]<<7) + (src2[xx+1] - src2[xx])*xalpha;
2526         */
2527         xpos+=xInc;
2528     }
2529 #endif /* ARCH_X86 */
2530 }
2531
2532 inline static void RENAME(hcscale)(SwsContext *c, uint16_t *dst, long dstWidth, const uint8_t *src1, const uint8_t *src2,
2533                                    int srcW, int xInc, const int16_t *hChrFilter,
2534                                    const int16_t *hChrFilterPos, int hChrFilterSize,
2535                                    uint8_t *formatConvBuffer,
2536                                    uint32_t *pal)
2537 {
2538
2539     src1 += c->chrSrcOffset;
2540     src2 += c->chrSrcOffset;
2541
2542     if (c->chrToYV12) {
2543         c->chrToYV12(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, pal);
2544         src1= formatConvBuffer;
2545         src2= formatConvBuffer+VOFW;
2546     }
2547
2548     if (!c->hcscale_fast)
2549     {
2550         c->hScale(dst     , dstWidth, src1, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize);
2551         c->hScale(dst+VOFW, dstWidth, src2, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize);
2552     } else { // fast bilinear upscale / crap downscale
2553         c->hcscale_fast(c, dst, dstWidth, src1, src2, srcW, xInc);
2554     }
2555
2556     if (c->chrConvertRange)
2557         c->chrConvertRange(dst, dstWidth);
2558 }
2559
2560 #define DEBUG_SWSCALE_BUFFERS 0
2561 #define DEBUG_BUFFERS(...) if (DEBUG_SWSCALE_BUFFERS) av_log(c, AV_LOG_DEBUG, __VA_ARGS__)
2562
2563 static int RENAME(swScale)(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
2564                            int srcSliceH, uint8_t* dst[], int dstStride[])
2565 {
2566     /* load a few things into local vars to make the code more readable? and faster */
2567     const int srcW= c->srcW;
2568     const int dstW= c->dstW;
2569     const int dstH= c->dstH;
2570     const int chrDstW= c->chrDstW;
2571     const int chrSrcW= c->chrSrcW;
2572     const int lumXInc= c->lumXInc;
2573     const int chrXInc= c->chrXInc;
2574     const enum PixelFormat dstFormat= c->dstFormat;
2575     const int flags= c->flags;
2576     int16_t *vLumFilterPos= c->vLumFilterPos;
2577     int16_t *vChrFilterPos= c->vChrFilterPos;
2578     int16_t *hLumFilterPos= c->hLumFilterPos;
2579     int16_t *hChrFilterPos= c->hChrFilterPos;
2580     int16_t *vLumFilter= c->vLumFilter;
2581     int16_t *vChrFilter= c->vChrFilter;
2582     int16_t *hLumFilter= c->hLumFilter;
2583     int16_t *hChrFilter= c->hChrFilter;
2584     int32_t *lumMmxFilter= c->lumMmxFilter;
2585     int32_t *chrMmxFilter= c->chrMmxFilter;
2586     int32_t *alpMmxFilter= c->alpMmxFilter;
2587     const int vLumFilterSize= c->vLumFilterSize;
2588     const int vChrFilterSize= c->vChrFilterSize;
2589     const int hLumFilterSize= c->hLumFilterSize;
2590     const int hChrFilterSize= c->hChrFilterSize;
2591     int16_t **lumPixBuf= c->lumPixBuf;
2592     int16_t **chrPixBuf= c->chrPixBuf;
2593     int16_t **alpPixBuf= c->alpPixBuf;
2594     const int vLumBufSize= c->vLumBufSize;
2595     const int vChrBufSize= c->vChrBufSize;
2596     uint8_t *formatConvBuffer= c->formatConvBuffer;
2597     const int chrSrcSliceY= srcSliceY >> c->chrSrcVSubSample;
2598     const int chrSrcSliceH= -((-srcSliceH) >> c->chrSrcVSubSample);
2599     int lastDstY;
2600     uint32_t *pal=c->pal_yuv;
2601
2602     /* vars which will change and which we need to store back in the context */
2603     int dstY= c->dstY;
2604     int lumBufIndex= c->lumBufIndex;
2605     int chrBufIndex= c->chrBufIndex;
2606     int lastInLumBuf= c->lastInLumBuf;
2607     int lastInChrBuf= c->lastInChrBuf;
2608
2609     if (isPacked(c->srcFormat)) {
2610         src[0]=
2611         src[1]=
2612         src[2]=
2613         src[3]= src[0];
2614         srcStride[0]=
2615         srcStride[1]=
2616         srcStride[2]=
2617         srcStride[3]= srcStride[0];
2618     }
2619     srcStride[1]<<= c->vChrDrop;
2620     srcStride[2]<<= c->vChrDrop;
2621
2622     DEBUG_BUFFERS("swScale() %p[%d] %p[%d] %p[%d] %p[%d] -> %p[%d] %p[%d] %p[%d] %p[%d]\n",
2623                   src[0], srcStride[0], src[1], srcStride[1], src[2], srcStride[2], src[3], srcStride[3],
2624                   dst[0], dstStride[0], dst[1], dstStride[1], dst[2], dstStride[2], dst[3], dstStride[3]);
2625     DEBUG_BUFFERS("srcSliceY: %d srcSliceH: %d dstY: %d dstH: %d\n",
2626                    srcSliceY,    srcSliceH,    dstY,    dstH);
2627     DEBUG_BUFFERS("vLumFilterSize: %d vLumBufSize: %d vChrFilterSize: %d vChrBufSize: %d\n",
2628                    vLumFilterSize,    vLumBufSize,    vChrFilterSize,    vChrBufSize);
2629
2630     if (dstStride[0]%8 !=0 || dstStride[1]%8 !=0 || dstStride[2]%8 !=0 || dstStride[3]%8 != 0) {
2631         static int warnedAlready=0; //FIXME move this into the context perhaps
2632         if (flags & SWS_PRINT_INFO && !warnedAlready) {
2633             av_log(c, AV_LOG_WARNING, "Warning: dstStride is not aligned!\n"
2634                    "         ->cannot do aligned memory accesses anymore\n");
2635             warnedAlready=1;
2636         }
2637     }
2638
2639     /* Note the user might start scaling the picture in the middle so this
2640        will not get executed. This is not really intended but works
2641        currently, so people might do it. */
2642     if (srcSliceY ==0) {
2643         lumBufIndex=-1;
2644         chrBufIndex=-1;
2645         dstY=0;
2646         lastInLumBuf= -1;
2647         lastInChrBuf= -1;
2648     }
2649
2650     lastDstY= dstY;
2651
2652     for (;dstY < dstH; dstY++) {
2653         unsigned char *dest =dst[0]+dstStride[0]*dstY;
2654         const int chrDstY= dstY>>c->chrDstVSubSample;
2655         unsigned char *uDest=dst[1]+dstStride[1]*chrDstY;
2656         unsigned char *vDest=dst[2]+dstStride[2]*chrDstY;
2657         unsigned char *aDest=(CONFIG_SWSCALE_ALPHA && alpPixBuf) ? dst[3]+dstStride[3]*dstY : NULL;
2658
2659         const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input
2660         const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input
2661         int lastLumSrcY= firstLumSrcY + vLumFilterSize -1; // Last line needed as input
2662         int lastChrSrcY= firstChrSrcY + vChrFilterSize -1; // Last line needed as input
2663         int enough_lines;
2664
2665         //handle holes (FAST_BILINEAR & weird filters)
2666         if (firstLumSrcY > lastInLumBuf) lastInLumBuf= firstLumSrcY-1;
2667         if (firstChrSrcY > lastInChrBuf) lastInChrBuf= firstChrSrcY-1;
2668         assert(firstLumSrcY >= lastInLumBuf - vLumBufSize + 1);
2669         assert(firstChrSrcY >= lastInChrBuf - vChrBufSize + 1);
2670
2671         // Do we have enough lines in this slice to output the dstY line
2672         enough_lines = lastLumSrcY < srcSliceY + srcSliceH && lastChrSrcY < -((-srcSliceY - srcSliceH)>>c->chrSrcVSubSample);
2673         if (!enough_lines) {
2674             lastLumSrcY = srcSliceY + srcSliceH - 1;
2675             lastChrSrcY = chrSrcSliceY + chrSrcSliceH - 1;
2676         }
2677
2678         DEBUG_BUFFERS("dstY: %d\n", dstY);
2679         DEBUG_BUFFERS("\tfirstLumSrcY: %d lastLumSrcY: %d lastInLumBuf: %d\n",
2680                          firstLumSrcY,    lastLumSrcY,    lastInLumBuf);
2681         DEBUG_BUFFERS("\tfirstChrSrcY: %d lastChrSrcY: %d lastInChrBuf: %d\n",
2682                          firstChrSrcY,    lastChrSrcY,    lastInChrBuf);
2683
2684         //Do horizontal scaling
2685         while(lastInLumBuf < lastLumSrcY) {
2686             uint8_t *src1= src[0]+(lastInLumBuf + 1 - srcSliceY)*srcStride[0];
2687             uint8_t *src2= src[3]+(lastInLumBuf + 1 - srcSliceY)*srcStride[3];
2688             lumBufIndex++;
2689             DEBUG_BUFFERS("\t\tlumBufIndex %d: lastInLumBuf: %d\n",
2690                                lumBufIndex,    lastInLumBuf);
2691             assert(lumBufIndex < 2*vLumBufSize);
2692             assert(lastInLumBuf + 1 - srcSliceY < srcSliceH);
2693             assert(lastInLumBuf + 1 - srcSliceY >= 0);
2694             RENAME(hyscale)(c, lumPixBuf[ lumBufIndex ], dstW, src1, srcW, lumXInc,
2695                             hLumFilter, hLumFilterPos, hLumFilterSize,
2696                             formatConvBuffer,
2697                             pal, 0);
2698             if (CONFIG_SWSCALE_ALPHA && alpPixBuf)
2699                 RENAME(hyscale)(c, alpPixBuf[ lumBufIndex ], dstW, src2, srcW, lumXInc,
2700                                 hLumFilter, hLumFilterPos, hLumFilterSize,
2701                                 formatConvBuffer,
2702                                 pal, 1);
2703             lastInLumBuf++;
2704         }
2705         while(lastInChrBuf < lastChrSrcY) {
2706             uint8_t *src1= src[1]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[1];
2707             uint8_t *src2= src[2]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[2];
2708             chrBufIndex++;
2709             DEBUG_BUFFERS("\t\tchrBufIndex %d: lastInChrBuf: %d\n",
2710                                chrBufIndex,    lastInChrBuf);
2711             assert(chrBufIndex < 2*vChrBufSize);
2712             assert(lastInChrBuf + 1 - chrSrcSliceY < (chrSrcSliceH));
2713             assert(lastInChrBuf + 1 - chrSrcSliceY >= 0);
2714             //FIXME replace parameters through context struct (some at least)
2715
2716             if (c->needs_hcscale)
2717                 RENAME(hcscale)(c, chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, chrSrcW, chrXInc,
2718                                 hChrFilter, hChrFilterPos, hChrFilterSize,
2719                                 formatConvBuffer,
2720                                 pal);
2721             lastInChrBuf++;
2722         }
2723         //wrap buf index around to stay inside the ring buffer
2724         if (lumBufIndex >= vLumBufSize) lumBufIndex-= vLumBufSize;
2725         if (chrBufIndex >= vChrBufSize) chrBufIndex-= vChrBufSize;
2726         if (!enough_lines)
2727             break; //we can't output a dstY line so let's try with the next slice
2728
2729 #if COMPILE_TEMPLATE_MMX
2730         c->blueDither= ff_dither8[dstY&1];
2731         if (c->dstFormat == PIX_FMT_RGB555 || c->dstFormat == PIX_FMT_BGR555)
2732             c->greenDither= ff_dither8[dstY&1];
2733         else
2734             c->greenDither= ff_dither4[dstY&1];
2735         c->redDither= ff_dither8[(dstY+1)&1];
2736 #endif
2737         if (dstY < dstH-2) {
2738             const int16_t **lumSrcPtr= (const int16_t **) lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
2739             const int16_t **chrSrcPtr= (const int16_t **) chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
2740             const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **) alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL;
2741 #if COMPILE_TEMPLATE_MMX
2742             int i;
2743             if (flags & SWS_ACCURATE_RND) {
2744                 int s= APCK_SIZE / 8;
2745                 for (i=0; i<vLumFilterSize; i+=2) {
2746                     *(void**)&lumMmxFilter[s*i              ]= lumSrcPtr[i  ];
2747                     *(void**)&lumMmxFilter[s*i+APCK_PTR2/4  ]= lumSrcPtr[i+(vLumFilterSize>1)];
2748                               lumMmxFilter[s*i+APCK_COEF/4  ]=
2749                               lumMmxFilter[s*i+APCK_COEF/4+1]= vLumFilter[dstY*vLumFilterSize + i    ]
2750                         + (vLumFilterSize>1 ? vLumFilter[dstY*vLumFilterSize + i + 1]<<16 : 0);
2751                     if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {
2752                         *(void**)&alpMmxFilter[s*i              ]= alpSrcPtr[i  ];
2753                         *(void**)&alpMmxFilter[s*i+APCK_PTR2/4  ]= alpSrcPtr[i+(vLumFilterSize>1)];
2754                                   alpMmxFilter[s*i+APCK_COEF/4  ]=
2755                                   alpMmxFilter[s*i+APCK_COEF/4+1]= lumMmxFilter[s*i+APCK_COEF/4  ];
2756                     }
2757                 }
2758                 for (i=0; i<vChrFilterSize; i+=2) {
2759                     *(void**)&chrMmxFilter[s*i              ]= chrSrcPtr[i  ];
2760                     *(void**)&chrMmxFilter[s*i+APCK_PTR2/4  ]= chrSrcPtr[i+(vChrFilterSize>1)];
2761                               chrMmxFilter[s*i+APCK_COEF/4  ]=
2762                               chrMmxFilter[s*i+APCK_COEF/4+1]= vChrFilter[chrDstY*vChrFilterSize + i    ]
2763                         + (vChrFilterSize>1 ? vChrFilter[chrDstY*vChrFilterSize + i + 1]<<16 : 0);
2764                 }
2765             } else {
2766                 for (i=0; i<vLumFilterSize; i++) {
2767                     lumMmxFilter[4*i+0]= (int32_t)lumSrcPtr[i];
2768                     lumMmxFilter[4*i+1]= (uint64_t)lumSrcPtr[i] >> 32;
2769                     lumMmxFilter[4*i+2]=
2770                     lumMmxFilter[4*i+3]=
2771                         ((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001;
2772                     if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {
2773                         alpMmxFilter[4*i+0]= (int32_t)alpSrcPtr[i];
2774                         alpMmxFilter[4*i+1]= (uint64_t)alpSrcPtr[i] >> 32;
2775                         alpMmxFilter[4*i+2]=
2776                         alpMmxFilter[4*i+3]= lumMmxFilter[4*i+2];
2777                     }
2778                 }
2779                 for (i=0; i<vChrFilterSize; i++) {
2780                     chrMmxFilter[4*i+0]= (int32_t)chrSrcPtr[i];
2781                     chrMmxFilter[4*i+1]= (uint64_t)chrSrcPtr[i] >> 32;
2782                     chrMmxFilter[4*i+2]=
2783                     chrMmxFilter[4*i+3]=
2784                         ((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001;
2785                 }
2786             }
2787 #endif
2788             if (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21) {
2789                 const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
2790                 if (dstY&chrSkipMask) uDest= NULL; //FIXME split functions in lumi / chromi
2791                 c->yuv2nv12X(c,
2792                              vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
2793                              vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
2794                              dest, uDest, dstW, chrDstW, dstFormat);
2795             } else if (isPlanarYUV(dstFormat) || dstFormat==PIX_FMT_GRAY8) { //YV12 like
2796                 const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
2797                 if ((dstY&chrSkipMask) || isGray(dstFormat)) uDest=vDest= NULL; //FIXME split functions in lumi / chromi
2798                 if (is16BPS(dstFormat)) {
2799                     yuv2yuvX16inC(
2800                                   vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
2801                                   vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
2802                                   alpSrcPtr, (uint16_t *) dest, (uint16_t *) uDest, (uint16_t *) vDest, (uint16_t *) aDest, dstW, chrDstW,
2803                                   dstFormat);
2804                 } else if (vLumFilterSize == 1 && vChrFilterSize == 1) { // unscaled YV12
2805                     int16_t *lumBuf = lumSrcPtr[0];
2806                     int16_t *chrBuf= chrSrcPtr[0];
2807                     int16_t *alpBuf= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? alpSrcPtr[0] : NULL;
2808                     c->yuv2yuv1(c, lumBuf, chrBuf, alpBuf, dest, uDest, vDest, aDest, dstW, chrDstW);
2809                 } else { //General YV12
2810                     c->yuv2yuvX(c,
2811                                 vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
2812                                 vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
2813                                 alpSrcPtr, dest, uDest, vDest, aDest, dstW, chrDstW);
2814                 }
2815             } else {
2816                 assert(lumSrcPtr + vLumFilterSize - 1 < lumPixBuf + vLumBufSize*2);
2817                 assert(chrSrcPtr + vChrFilterSize - 1 < chrPixBuf + vChrBufSize*2);
2818                 if (vLumFilterSize == 1 && vChrFilterSize == 2) { //unscaled RGB
2819                     int chrAlpha= vChrFilter[2*dstY+1];
2820                     if(flags & SWS_FULL_CHR_H_INT) {
2821                         yuv2rgbXinC_full(c, //FIXME write a packed1_full function
2822                                          vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
2823                                          vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
2824                                          alpSrcPtr, dest, dstW, dstY);
2825                     } else {
2826                         c->yuv2packed1(c, *lumSrcPtr, *chrSrcPtr, *(chrSrcPtr+1),
2827                                        alpPixBuf ? *alpSrcPtr : NULL,
2828                                        dest, dstW, chrAlpha, dstFormat, flags, dstY);
2829                     }
2830                 } else if (vLumFilterSize == 2 && vChrFilterSize == 2) { //bilinear upscale RGB
2831                     int lumAlpha= vLumFilter[2*dstY+1];
2832                     int chrAlpha= vChrFilter[2*dstY+1];
2833                     lumMmxFilter[2]=
2834                     lumMmxFilter[3]= vLumFilter[2*dstY   ]*0x10001;
2835                     chrMmxFilter[2]=
2836                     chrMmxFilter[3]= vChrFilter[2*chrDstY]*0x10001;
2837                     if(flags & SWS_FULL_CHR_H_INT) {
2838                         yuv2rgbXinC_full(c, //FIXME write a packed2_full function
2839                                          vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
2840                                          vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
2841                                          alpSrcPtr, dest, dstW, dstY);
2842                     } else {
2843                         c->yuv2packed2(c, *lumSrcPtr, *(lumSrcPtr+1), *chrSrcPtr, *(chrSrcPtr+1),
2844                                        alpPixBuf ? *alpSrcPtr : NULL, alpPixBuf ? *(alpSrcPtr+1) : NULL,
2845                                        dest, dstW, lumAlpha, chrAlpha, dstY);
2846                     }
2847                 } else { //general RGB
2848                     if(flags & SWS_FULL_CHR_H_INT) {
2849                         yuv2rgbXinC_full(c,
2850                                          vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
2851                                          vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
2852                                          alpSrcPtr, dest, dstW, dstY);
2853                     } else {
2854                         c->yuv2packedX(c,
2855                                        vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
2856                                        vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
2857                                        alpSrcPtr, dest, dstW, dstY);
2858                     }
2859                 }
2860             }
2861         } else { // hmm looks like we can't use MMX here without overwriting this array's tail
2862             const int16_t **lumSrcPtr= (const int16_t **)lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
2863             const int16_t **chrSrcPtr= (const int16_t **)chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
2864             const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **)alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL;
2865             if (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21) {
2866                 const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
2867                 if (dstY&chrSkipMask) uDest= NULL; //FIXME split functions in lumi / chromi
2868                 yuv2nv12XinC(
2869                              vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
2870                              vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
2871                              dest, uDest, dstW, chrDstW, dstFormat);
2872             } else if (isPlanarYUV(dstFormat) || dstFormat==PIX_FMT_GRAY8) { //YV12
2873                 const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
2874                 if ((dstY&chrSkipMask) || isGray(dstFormat)) uDest=vDest= NULL; //FIXME split functions in lumi / chromi
2875                 if (is16BPS(dstFormat)) {
2876                     yuv2yuvX16inC(
2877                                   vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
2878                                   vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
2879                                   alpSrcPtr, (uint16_t *) dest, (uint16_t *) uDest, (uint16_t *) vDest, (uint16_t *) aDest, dstW, chrDstW,
2880                                   dstFormat);
2881                 } else {
2882                     yuv2yuvXinC(
2883                                 vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
2884                                 vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
2885                                 alpSrcPtr, dest, uDest, vDest, aDest, dstW, chrDstW);
2886                 }
2887             } else {
2888                 assert(lumSrcPtr + vLumFilterSize - 1 < lumPixBuf + vLumBufSize*2);
2889                 assert(chrSrcPtr + vChrFilterSize - 1 < chrPixBuf + vChrBufSize*2);
2890                 if(flags & SWS_FULL_CHR_H_INT) {
2891                     yuv2rgbXinC_full(c,
2892                                      vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
2893                                      vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
2894                                      alpSrcPtr, dest, dstW, dstY);
2895                 } else {
2896                     yuv2packedXinC(c,
2897                                    vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
2898                                    vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
2899                                    alpSrcPtr, dest, dstW, dstY);
2900                 }
2901             }
2902         }
2903     }
2904
2905     if ((dstFormat == PIX_FMT_YUVA420P) && !alpPixBuf)
2906         fillPlane(dst[3], dstStride[3], dstW, dstY-lastDstY, lastDstY, 255);
2907
2908 #if COMPILE_TEMPLATE_MMX
2909     if (flags & SWS_CPU_CAPS_MMX2 )  __asm__ volatile("sfence":::"memory");
2910     /* On K6 femms is faster than emms. On K7 femms is directly mapped to emms. */
2911     if (flags & SWS_CPU_CAPS_3DNOW)  __asm__ volatile("femms" :::"memory");
2912     else                             __asm__ volatile("emms"  :::"memory");
2913 #endif
2914     /* store changed local vars back in the context */
2915     c->dstY= dstY;
2916     c->lumBufIndex= lumBufIndex;
2917     c->chrBufIndex= chrBufIndex;
2918     c->lastInLumBuf= lastInLumBuf;
2919     c->lastInChrBuf= lastInChrBuf;
2920
2921     return dstY - lastDstY;
2922 }
2923
2924 static void RENAME(sws_init_swScale)(SwsContext *c)
2925 {
2926     enum PixelFormat srcFormat = c->srcFormat;
2927
2928     c->yuv2nv12X    = RENAME(yuv2nv12X   );
2929     c->yuv2yuv1     = RENAME(yuv2yuv1    );
2930     c->yuv2yuvX     = RENAME(yuv2yuvX    );
2931     c->yuv2packed1  = RENAME(yuv2packed1 );
2932     c->yuv2packed2  = RENAME(yuv2packed2 );
2933     c->yuv2packedX  = RENAME(yuv2packedX );
2934
2935     c->hScale       = RENAME(hScale      );
2936
2937 #if COMPILE_TEMPLATE_MMX
2938     // Use the new MMX scaler if the MMX2 one can't be used (it is faster than the x86 ASM one).
2939     if (c->flags & SWS_FAST_BILINEAR && c->canMMX2BeUsed)
2940 #else
2941     if (c->flags & SWS_FAST_BILINEAR)
2942 #endif
2943     {
2944         c->hyscale_fast = RENAME(hyscale_fast);
2945         c->hcscale_fast = RENAME(hcscale_fast);
2946     }
2947
2948     c->chrToYV12 = NULL;
2949     switch(srcFormat) {
2950         case PIX_FMT_YUYV422  : c->chrToYV12 = RENAME(yuy2ToUV); break;
2951         case PIX_FMT_UYVY422  : c->chrToYV12 = RENAME(uyvyToUV); break;
2952         case PIX_FMT_NV12     : c->chrToYV12 = RENAME(nv12ToUV); break;
2953         case PIX_FMT_NV21     : c->chrToYV12 = RENAME(nv21ToUV); break;
2954         case PIX_FMT_RGB8     :
2955         case PIX_FMT_BGR8     :
2956         case PIX_FMT_PAL8     :
2957         case PIX_FMT_BGR4_BYTE:
2958         case PIX_FMT_RGB4_BYTE: c->chrToYV12 = palToUV; break;
2959         case PIX_FMT_YUV420P16BE:
2960         case PIX_FMT_YUV422P16BE:
2961         case PIX_FMT_YUV444P16BE: c->chrToYV12 = RENAME(BEToUV); break;
2962         case PIX_FMT_YUV420P16LE:
2963         case PIX_FMT_YUV422P16LE:
2964         case PIX_FMT_YUV444P16LE: c->chrToYV12 = RENAME(LEToUV); break;
2965     }
2966     if (c->chrSrcHSubSample) {
2967         switch(srcFormat) {
2968         case PIX_FMT_RGB48BE:
2969         case PIX_FMT_RGB48LE: c->chrToYV12 = rgb48ToUV_half; break;
2970         case PIX_FMT_RGB32  :
2971         case PIX_FMT_RGB32_1: c->chrToYV12 = bgr32ToUV_half; break;
2972         case PIX_FMT_BGR24  : c->chrToYV12 = RENAME(bgr24ToUV_half); break;
2973         case PIX_FMT_BGR565 : c->chrToYV12 = bgr16ToUV_half; break;
2974         case PIX_FMT_BGR555 : c->chrToYV12 = bgr15ToUV_half; break;
2975         case PIX_FMT_BGR32  :
2976         case PIX_FMT_BGR32_1: c->chrToYV12 = rgb32ToUV_half; break;
2977         case PIX_FMT_RGB24  : c->chrToYV12 = RENAME(rgb24ToUV_half); break;
2978         case PIX_FMT_RGB565 : c->chrToYV12 = rgb16ToUV_half; break;
2979         case PIX_FMT_RGB555 : c->chrToYV12 = rgb15ToUV_half; break;
2980         }
2981     } else {
2982         switch(srcFormat) {
2983         case PIX_FMT_RGB48BE:
2984         case PIX_FMT_RGB48LE: c->chrToYV12 = rgb48ToUV; break;
2985         case PIX_FMT_RGB32  :
2986         case PIX_FMT_RGB32_1: c->chrToYV12 = bgr32ToUV; break;
2987         case PIX_FMT_BGR24  : c->chrToYV12 = RENAME(bgr24ToUV); break;
2988         case PIX_FMT_BGR565 : c->chrToYV12 = bgr16ToUV; break;
2989         case PIX_FMT_BGR555 : c->chrToYV12 = bgr15ToUV; break;
2990         case PIX_FMT_BGR32  :
2991         case PIX_FMT_BGR32_1: c->chrToYV12 = rgb32ToUV; break;
2992         case PIX_FMT_RGB24  : c->chrToYV12 = RENAME(rgb24ToUV); break;
2993         case PIX_FMT_RGB565 : c->chrToYV12 = rgb16ToUV; break;
2994         case PIX_FMT_RGB555 : c->chrToYV12 = rgb15ToUV; break;
2995         }
2996     }
2997
2998     c->lumToYV12 = NULL;
2999     c->alpToYV12 = NULL;
3000     switch (srcFormat) {
3001     case PIX_FMT_YUYV422  :
3002     case PIX_FMT_YUV420P16BE:
3003     case PIX_FMT_YUV422P16BE:
3004     case PIX_FMT_YUV444P16BE:
3005     case PIX_FMT_GRAY16BE : c->lumToYV12 = RENAME(yuy2ToY); break;
3006     case PIX_FMT_UYVY422  :
3007     case PIX_FMT_YUV420P16LE:
3008     case PIX_FMT_YUV422P16LE:
3009     case PIX_FMT_YUV444P16LE:
3010     case PIX_FMT_GRAY16LE : c->lumToYV12 = RENAME(uyvyToY); break;
3011     case PIX_FMT_BGR24    : c->lumToYV12 = RENAME(bgr24ToY); break;
3012     case PIX_FMT_BGR565   : c->lumToYV12 = bgr16ToY; break;
3013     case PIX_FMT_BGR555   : c->lumToYV12 = bgr15ToY; break;
3014     case PIX_FMT_RGB24    : c->lumToYV12 = RENAME(rgb24ToY); break;
3015     case PIX_FMT_RGB565   : c->lumToYV12 = rgb16ToY; break;
3016     case PIX_FMT_RGB555   : c->lumToYV12 = rgb15ToY; break;
3017     case PIX_FMT_RGB8     :
3018     case PIX_FMT_BGR8     :
3019     case PIX_FMT_PAL8     :
3020     case PIX_FMT_BGR4_BYTE:
3021     case PIX_FMT_RGB4_BYTE: c->lumToYV12 = palToY; break;
3022     case PIX_FMT_MONOBLACK: c->lumToYV12 = monoblack2Y; break;
3023     case PIX_FMT_MONOWHITE: c->lumToYV12 = monowhite2Y; break;
3024     case PIX_FMT_RGB32  :
3025     case PIX_FMT_RGB32_1: c->lumToYV12 = bgr32ToY; break;
3026     case PIX_FMT_BGR32  :
3027     case PIX_FMT_BGR32_1: c->lumToYV12 = rgb32ToY; break;
3028     case PIX_FMT_RGB48BE:
3029     case PIX_FMT_RGB48LE: c->lumToYV12 = rgb48ToY; break;
3030     }
3031     if (c->alpPixBuf) {
3032         switch (srcFormat) {
3033         case PIX_FMT_RGB32  :
3034         case PIX_FMT_RGB32_1:
3035         case PIX_FMT_BGR32  :
3036         case PIX_FMT_BGR32_1: c->alpToYV12 = abgrToA; break;
3037         }
3038     }
3039
3040     switch (srcFormat) {
3041     case PIX_FMT_RGB32  :
3042     case PIX_FMT_BGR32  :
3043         c->alpSrcOffset = 3;
3044         break;
3045     case PIX_FMT_RGB32_1:
3046     case PIX_FMT_BGR32_1:
3047         c->lumSrcOffset = ALT32_CORR;
3048         c->chrSrcOffset = ALT32_CORR;
3049         break;
3050     case PIX_FMT_RGB48LE:
3051         c->lumSrcOffset = 1;
3052         c->chrSrcOffset = 1;
3053         c->alpSrcOffset = 1;
3054         break;
3055     }
3056
3057     if (c->srcRange != c->dstRange && !(isRGB(c->dstFormat) || isBGR(c->dstFormat))) {
3058         if (c->srcRange) {
3059             c->lumConvertRange = RENAME(lumRangeFromJpeg);
3060             c->chrConvertRange = RENAME(chrRangeFromJpeg);
3061         } else {
3062             c->lumConvertRange = RENAME(lumRangeToJpeg);
3063             c->chrConvertRange = RENAME(chrRangeToJpeg);
3064         }
3065     }
3066
3067     if (!(isGray(srcFormat) || isGray(c->dstFormat) ||
3068           srcFormat == PIX_FMT_MONOBLACK || srcFormat == PIX_FMT_MONOWHITE))
3069         c->needs_hcscale = 1;
3070 }