Remove duplicate horizontal scaling when there aren't enough lines in a slice
[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, int 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     {
993         int val= (lumSrc[i]+64)>>7;
994
995         if (val&256){
996             if (val<0) val=0;
997             else       val=255;
998         }
999
1000         dest[i]= val;
1001     }
1002
1003     if (uDest)
1004         for (i=0; i<chrDstW; i++)
1005         {
1006             int u=(chrSrc[i       ]+64)>>7;
1007             int v=(chrSrc[i + VOFW]+64)>>7;
1008
1009             if ((u|v)&256){
1010                 if (u<0)        u=0;
1011                 else if (u>255) u=255;
1012                 if (v<0)        v=0;
1013                 else if (v>255) v=255;
1014             }
1015
1016             uDest[i]= u;
1017             vDest[i]= v;
1018         }
1019
1020     if (CONFIG_SWSCALE_ALPHA && aDest)
1021         for (i=0; i<dstW; i++){
1022             int val= (alpSrc[i]+64)>>7;
1023             aDest[i]= av_clip_uint8(val);
1024         }
1025 }
1026
1027
1028 /**
1029  * vertical scale YV12 to RGB
1030  */
1031 static inline void RENAME(yuv2packedX)(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize,
1032                                        const int16_t *chrFilter, const int16_t **chrSrc, int chrFilterSize,
1033                                        const int16_t **alpSrc, uint8_t *dest, long dstW, long dstY)
1034 {
1035 #if COMPILE_TEMPLATE_MMX
1036     x86_reg dummy=0;
1037     if(!(c->flags & SWS_BITEXACT)){
1038         if (c->flags & SWS_ACCURATE_RND){
1039             switch(c->dstFormat){
1040             case PIX_FMT_RGB32:
1041                 if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf){
1042                     YSCALEYUV2PACKEDX_ACCURATE
1043                     YSCALEYUV2RGBX
1044                     "movq                      %%mm2, "U_TEMP"(%0)  \n\t"
1045                     "movq                      %%mm4, "V_TEMP"(%0)  \n\t"
1046                     "movq                      %%mm5, "Y_TEMP"(%0)  \n\t"
1047                     YSCALEYUV2PACKEDX_ACCURATE_YA(ALP_MMX_FILTER_OFFSET)
1048                     "movq               "Y_TEMP"(%0), %%mm5         \n\t"
1049                     "psraw                        $3, %%mm1         \n\t"
1050                     "psraw                        $3, %%mm7         \n\t"
1051                     "packuswb                  %%mm7, %%mm1         \n\t"
1052                     WRITEBGR32(%4, %5, %%REGa, %%mm3, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm2, %%mm6)
1053
1054                     YSCALEYUV2PACKEDX_END
1055                 }else{
1056                     YSCALEYUV2PACKEDX_ACCURATE
1057                     YSCALEYUV2RGBX
1058                     "pcmpeqd %%mm7, %%mm7 \n\t"
1059                     WRITEBGR32(%4, %5, %%REGa, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
1060
1061                     YSCALEYUV2PACKEDX_END
1062                 }
1063                 return;
1064             case PIX_FMT_BGR24:
1065                 YSCALEYUV2PACKEDX_ACCURATE
1066                 YSCALEYUV2RGBX
1067                 "pxor %%mm7, %%mm7 \n\t"
1068                 "lea (%%"REG_a", %%"REG_a", 2), %%"REG_c"\n\t" //FIXME optimize
1069                 "add %4, %%"REG_c"                        \n\t"
1070                 WRITEBGR24(%%REGc, %5, %%REGa)
1071
1072
1073                 :: "r" (&c->redDither),
1074                 "m" (dummy), "m" (dummy), "m" (dummy),
1075                 "r" (dest), "m" (dstW)
1076                 : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S
1077                 );
1078                 return;
1079             case PIX_FMT_RGB555:
1080                 YSCALEYUV2PACKEDX_ACCURATE
1081                 YSCALEYUV2RGBX
1082                 "pxor %%mm7, %%mm7 \n\t"
1083                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1084 #ifdef DITHER1XBPP
1085                 "paddusb "BLUE_DITHER"(%0), %%mm2\n\t"
1086                 "paddusb "GREEN_DITHER"(%0), %%mm4\n\t"
1087                 "paddusb "RED_DITHER"(%0), %%mm5\n\t"
1088 #endif
1089
1090                 WRITERGB15(%4, %5, %%REGa)
1091                 YSCALEYUV2PACKEDX_END
1092                 return;
1093             case PIX_FMT_RGB565:
1094                 YSCALEYUV2PACKEDX_ACCURATE
1095                 YSCALEYUV2RGBX
1096                 "pxor %%mm7, %%mm7 \n\t"
1097                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1098 #ifdef DITHER1XBPP
1099                 "paddusb "BLUE_DITHER"(%0), %%mm2\n\t"
1100                 "paddusb "GREEN_DITHER"(%0), %%mm4\n\t"
1101                 "paddusb "RED_DITHER"(%0), %%mm5\n\t"
1102 #endif
1103
1104                 WRITERGB16(%4, %5, %%REGa)
1105                 YSCALEYUV2PACKEDX_END
1106                 return;
1107             case PIX_FMT_YUYV422:
1108                 YSCALEYUV2PACKEDX_ACCURATE
1109                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1110
1111                 "psraw $3, %%mm3    \n\t"
1112                 "psraw $3, %%mm4    \n\t"
1113                 "psraw $3, %%mm1    \n\t"
1114                 "psraw $3, %%mm7    \n\t"
1115                 WRITEYUY2(%4, %5, %%REGa)
1116                 YSCALEYUV2PACKEDX_END
1117                 return;
1118             }
1119         }else{
1120             switch(c->dstFormat)
1121             {
1122             case PIX_FMT_RGB32:
1123                 if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf){
1124                     YSCALEYUV2PACKEDX
1125                     YSCALEYUV2RGBX
1126                     YSCALEYUV2PACKEDX_YA(ALP_MMX_FILTER_OFFSET, %%mm0, %%mm3, %%mm6, %%mm1, %%mm7)
1127                     "psraw                        $3, %%mm1         \n\t"
1128                     "psraw                        $3, %%mm7         \n\t"
1129                     "packuswb                  %%mm7, %%mm1         \n\t"
1130                     WRITEBGR32(%4, %5, %%REGa, %%mm2, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm3, %%mm6)
1131                     YSCALEYUV2PACKEDX_END
1132                 }else{
1133                     YSCALEYUV2PACKEDX
1134                     YSCALEYUV2RGBX
1135                     "pcmpeqd %%mm7, %%mm7 \n\t"
1136                     WRITEBGR32(%4, %5, %%REGa, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
1137                     YSCALEYUV2PACKEDX_END
1138                 }
1139                 return;
1140             case PIX_FMT_BGR24:
1141                 YSCALEYUV2PACKEDX
1142                 YSCALEYUV2RGBX
1143                 "pxor                    %%mm7, %%mm7       \n\t"
1144                 "lea (%%"REG_a", %%"REG_a", 2), %%"REG_c"   \n\t" //FIXME optimize
1145                 "add                        %4, %%"REG_c"   \n\t"
1146                 WRITEBGR24(%%REGc, %5, %%REGa)
1147
1148                 :: "r" (&c->redDither),
1149                 "m" (dummy), "m" (dummy), "m" (dummy),
1150                 "r" (dest),  "m" (dstW)
1151                 : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S
1152                 );
1153                 return;
1154             case PIX_FMT_RGB555:
1155                 YSCALEYUV2PACKEDX
1156                 YSCALEYUV2RGBX
1157                 "pxor %%mm7, %%mm7 \n\t"
1158                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1159 #ifdef DITHER1XBPP
1160                 "paddusb "BLUE_DITHER"(%0), %%mm2  \n\t"
1161                 "paddusb "GREEN_DITHER"(%0), %%mm4  \n\t"
1162                 "paddusb "RED_DITHER"(%0), %%mm5  \n\t"
1163 #endif
1164
1165                 WRITERGB15(%4, %5, %%REGa)
1166                 YSCALEYUV2PACKEDX_END
1167                 return;
1168             case PIX_FMT_RGB565:
1169                 YSCALEYUV2PACKEDX
1170                 YSCALEYUV2RGBX
1171                 "pxor %%mm7, %%mm7 \n\t"
1172                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1173 #ifdef DITHER1XBPP
1174                 "paddusb "BLUE_DITHER"(%0), %%mm2  \n\t"
1175                 "paddusb "GREEN_DITHER"(%0), %%mm4  \n\t"
1176                 "paddusb "RED_DITHER"(%0), %%mm5  \n\t"
1177 #endif
1178
1179                 WRITERGB16(%4, %5, %%REGa)
1180                 YSCALEYUV2PACKEDX_END
1181                 return;
1182             case PIX_FMT_YUYV422:
1183                 YSCALEYUV2PACKEDX
1184                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1185
1186                 "psraw $3, %%mm3    \n\t"
1187                 "psraw $3, %%mm4    \n\t"
1188                 "psraw $3, %%mm1    \n\t"
1189                 "psraw $3, %%mm7    \n\t"
1190                 WRITEYUY2(%4, %5, %%REGa)
1191                 YSCALEYUV2PACKEDX_END
1192                 return;
1193             }
1194         }
1195     }
1196 #endif /* COMPILE_TEMPLATE_MMX */
1197 #if COMPILE_TEMPLATE_ALTIVEC
1198     /* The following list of supported dstFormat values should
1199        match what's found in the body of ff_yuv2packedX_altivec() */
1200     if (!(c->flags & SWS_BITEXACT) && !c->alpPixBuf &&
1201        (c->dstFormat==PIX_FMT_ABGR  || c->dstFormat==PIX_FMT_BGRA  ||
1202         c->dstFormat==PIX_FMT_BGR24 || c->dstFormat==PIX_FMT_RGB24 ||
1203         c->dstFormat==PIX_FMT_RGBA  || c->dstFormat==PIX_FMT_ARGB))
1204             ff_yuv2packedX_altivec(c, lumFilter, lumSrc, lumFilterSize,
1205                                    chrFilter, chrSrc, chrFilterSize,
1206                                    dest, dstW, dstY);
1207     else
1208 #endif
1209         yuv2packedXinC(c, lumFilter, lumSrc, lumFilterSize,
1210                        chrFilter, chrSrc, chrFilterSize,
1211                        alpSrc, dest, dstW, dstY);
1212 }
1213
1214 /**
1215  * vertical bilinear scale YV12 to RGB
1216  */
1217 static inline void RENAME(yuv2packed2)(SwsContext *c, const uint16_t *buf0, const uint16_t *buf1, const uint16_t *uvbuf0, const uint16_t *uvbuf1,
1218                           const uint16_t *abuf0, const uint16_t *abuf1, uint8_t *dest, int dstW, int yalpha, int uvalpha, int y)
1219 {
1220     int  yalpha1=4095- yalpha;
1221     int uvalpha1=4095-uvalpha;
1222     int i;
1223
1224 #if COMPILE_TEMPLATE_MMX
1225     if(!(c->flags & SWS_BITEXACT)){
1226         switch(c->dstFormat)
1227         {
1228             //Note 8280 == DSTW_OFFSET but the preprocessor can't handle that there :(
1229             case PIX_FMT_RGB32:
1230                 if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf){
1231 #if ARCH_X86_64
1232                     __asm__ volatile(
1233                     YSCALEYUV2RGB(%%REGBP, %5)
1234                     YSCALEYUV2RGB_YA(%%REGBP, %5, %6, %7)
1235                     "psraw                  $3, %%mm1       \n\t" /* abuf0[eax] - abuf1[eax] >>7*/
1236                     "psraw                  $3, %%mm7       \n\t" /* abuf0[eax] - abuf1[eax] >>7*/
1237                     "packuswb            %%mm7, %%mm1       \n\t"
1238                     WRITEBGR32(%4, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm3, %%mm6)
1239
1240                     :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "r" (dest),
1241                     "a" (&c->redDither)
1242                     ,"r" (abuf0), "r" (abuf1)
1243                     : "%"REG_BP
1244                     );
1245 #else
1246                     *(uint16_t **)(&c->u_temp)=abuf0;
1247                     *(uint16_t **)(&c->v_temp)=abuf1;
1248                     __asm__ volatile(
1249                     "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1250                     "mov        %4, %%"REG_b"               \n\t"
1251                     "push %%"REG_BP"                        \n\t"
1252                     YSCALEYUV2RGB(%%REGBP, %5)
1253                     "push                   %0              \n\t"
1254                     "push                   %1              \n\t"
1255                     "mov          "U_TEMP"(%5), %0          \n\t"
1256                     "mov          "V_TEMP"(%5), %1          \n\t"
1257                     YSCALEYUV2RGB_YA(%%REGBP, %5, %0, %1)
1258                     "psraw                  $3, %%mm1       \n\t" /* abuf0[eax] - abuf1[eax] >>7*/
1259                     "psraw                  $3, %%mm7       \n\t" /* abuf0[eax] - abuf1[eax] >>7*/
1260                     "packuswb            %%mm7, %%mm1       \n\t"
1261                     "pop                    %1              \n\t"
1262                     "pop                    %0              \n\t"
1263                     WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm3, %%mm6)
1264                     "pop %%"REG_BP"                         \n\t"
1265                     "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1266
1267                     :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1268                     "a" (&c->redDither)
1269                     );
1270 #endif
1271                 }else{
1272                     __asm__ volatile(
1273                     "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1274                     "mov        %4, %%"REG_b"               \n\t"
1275                     "push %%"REG_BP"                        \n\t"
1276                     YSCALEYUV2RGB(%%REGBP, %5)
1277                     "pcmpeqd %%mm7, %%mm7                   \n\t"
1278                     WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
1279                     "pop %%"REG_BP"                         \n\t"
1280                     "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1281
1282                     :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1283                     "a" (&c->redDither)
1284                     );
1285                 }
1286                 return;
1287             case PIX_FMT_BGR24:
1288                 __asm__ volatile(
1289                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1290                 "mov        %4, %%"REG_b"               \n\t"
1291                 "push %%"REG_BP"                        \n\t"
1292                 YSCALEYUV2RGB(%%REGBP, %5)
1293                 "pxor    %%mm7, %%mm7                   \n\t"
1294                 WRITEBGR24(%%REGb, 8280(%5), %%REGBP)
1295                 "pop %%"REG_BP"                         \n\t"
1296                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1297                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1298                 "a" (&c->redDither)
1299                 );
1300                 return;
1301             case PIX_FMT_RGB555:
1302                 __asm__ volatile(
1303                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1304                 "mov        %4, %%"REG_b"               \n\t"
1305                 "push %%"REG_BP"                        \n\t"
1306                 YSCALEYUV2RGB(%%REGBP, %5)
1307                 "pxor    %%mm7, %%mm7                   \n\t"
1308                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1309 #ifdef DITHER1XBPP
1310                 "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
1311                 "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
1312                 "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
1313 #endif
1314
1315                 WRITERGB15(%%REGb, 8280(%5), %%REGBP)
1316                 "pop %%"REG_BP"                         \n\t"
1317                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1318
1319                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1320                 "a" (&c->redDither)
1321                 );
1322                 return;
1323             case PIX_FMT_RGB565:
1324                 __asm__ volatile(
1325                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1326                 "mov        %4, %%"REG_b"               \n\t"
1327                 "push %%"REG_BP"                        \n\t"
1328                 YSCALEYUV2RGB(%%REGBP, %5)
1329                 "pxor    %%mm7, %%mm7                   \n\t"
1330                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1331 #ifdef DITHER1XBPP
1332                 "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
1333                 "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
1334                 "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
1335 #endif
1336
1337                 WRITERGB16(%%REGb, 8280(%5), %%REGBP)
1338                 "pop %%"REG_BP"                         \n\t"
1339                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1340                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1341                 "a" (&c->redDither)
1342                 );
1343                 return;
1344             case PIX_FMT_YUYV422:
1345                 __asm__ volatile(
1346                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1347                 "mov %4, %%"REG_b"                        \n\t"
1348                 "push %%"REG_BP"                        \n\t"
1349                 YSCALEYUV2PACKED(%%REGBP, %5)
1350                 WRITEYUY2(%%REGb, 8280(%5), %%REGBP)
1351                 "pop %%"REG_BP"                         \n\t"
1352                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1353                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1354                 "a" (&c->redDither)
1355                 );
1356                 return;
1357             default: break;
1358         }
1359     }
1360 #endif //COMPILE_TEMPLATE_MMX
1361 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)
1362 }
1363
1364 /**
1365  * YV12 to RGB without scaling or interpolating
1366  */
1367 static inline void RENAME(yuv2packed1)(SwsContext *c, const uint16_t *buf0, const uint16_t *uvbuf0, const uint16_t *uvbuf1,
1368                           const uint16_t *abuf0, uint8_t *dest, int dstW, int uvalpha, int dstFormat, int flags, int y)
1369 {
1370     const int yalpha1=0;
1371     int i;
1372
1373     const uint16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
1374     const int yalpha= 4096; //FIXME ...
1375
1376     if (flags&SWS_FULL_CHR_H_INT)
1377     {
1378         c->yuv2packed2(c, buf0, buf0, uvbuf0, uvbuf1, abuf0, abuf0, dest, dstW, 0, uvalpha, y);
1379         return;
1380     }
1381
1382 #if COMPILE_TEMPLATE_MMX
1383     if(!(flags & SWS_BITEXACT)){
1384         if (uvalpha < 2048) // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster
1385         {
1386             switch(dstFormat)
1387             {
1388             case PIX_FMT_RGB32:
1389                 if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf){
1390                     __asm__ volatile(
1391                     "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1392                     "mov        %4, %%"REG_b"               \n\t"
1393                     "push %%"REG_BP"                        \n\t"
1394                     YSCALEYUV2RGB1(%%REGBP, %5)
1395                     YSCALEYUV2RGB1_ALPHA(%%REGBP)
1396                     WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
1397                     "pop %%"REG_BP"                         \n\t"
1398                     "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1399
1400                     :: "c" (buf0), "d" (abuf0), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1401                     "a" (&c->redDither)
1402                     );
1403                 }else{
1404                     __asm__ volatile(
1405                     "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1406                     "mov        %4, %%"REG_b"               \n\t"
1407                     "push %%"REG_BP"                        \n\t"
1408                     YSCALEYUV2RGB1(%%REGBP, %5)
1409                     "pcmpeqd %%mm7, %%mm7                   \n\t"
1410                     WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
1411                     "pop %%"REG_BP"                         \n\t"
1412                     "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1413
1414                     :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1415                     "a" (&c->redDither)
1416                     );
1417                 }
1418                 return;
1419             case PIX_FMT_BGR24:
1420                 __asm__ volatile(
1421                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1422                 "mov        %4, %%"REG_b"               \n\t"
1423                 "push %%"REG_BP"                        \n\t"
1424                 YSCALEYUV2RGB1(%%REGBP, %5)
1425                 "pxor    %%mm7, %%mm7                   \n\t"
1426                 WRITEBGR24(%%REGb, 8280(%5), %%REGBP)
1427                 "pop %%"REG_BP"                         \n\t"
1428                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1429
1430                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1431                 "a" (&c->redDither)
1432                 );
1433                 return;
1434             case PIX_FMT_RGB555:
1435                 __asm__ volatile(
1436                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1437                 "mov        %4, %%"REG_b"               \n\t"
1438                 "push %%"REG_BP"                        \n\t"
1439                 YSCALEYUV2RGB1(%%REGBP, %5)
1440                 "pxor    %%mm7, %%mm7                   \n\t"
1441                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1442 #ifdef DITHER1XBPP
1443                 "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
1444                 "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
1445                 "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
1446 #endif
1447                 WRITERGB15(%%REGb, 8280(%5), %%REGBP)
1448                 "pop %%"REG_BP"                         \n\t"
1449                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1450
1451                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1452                 "a" (&c->redDither)
1453                 );
1454                 return;
1455             case PIX_FMT_RGB565:
1456                 __asm__ volatile(
1457                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1458                 "mov        %4, %%"REG_b"               \n\t"
1459                 "push %%"REG_BP"                        \n\t"
1460                 YSCALEYUV2RGB1(%%REGBP, %5)
1461                 "pxor    %%mm7, %%mm7                   \n\t"
1462                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1463 #ifdef DITHER1XBPP
1464                 "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
1465                 "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
1466                 "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
1467 #endif
1468
1469                 WRITERGB16(%%REGb, 8280(%5), %%REGBP)
1470                 "pop %%"REG_BP"                         \n\t"
1471                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1472
1473                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1474                 "a" (&c->redDither)
1475                 );
1476                 return;
1477             case PIX_FMT_YUYV422:
1478                 __asm__ volatile(
1479                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1480                 "mov        %4, %%"REG_b"               \n\t"
1481                 "push %%"REG_BP"                        \n\t"
1482                 YSCALEYUV2PACKED1(%%REGBP, %5)
1483                 WRITEYUY2(%%REGb, 8280(%5), %%REGBP)
1484                 "pop %%"REG_BP"                         \n\t"
1485                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1486
1487                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1488                 "a" (&c->redDither)
1489                 );
1490                 return;
1491             }
1492         }
1493         else
1494         {
1495             switch(dstFormat)
1496             {
1497             case PIX_FMT_RGB32:
1498                 if (CONFIG_SWSCALE_ALPHA && c->alpPixBuf){
1499                     __asm__ volatile(
1500                     "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1501                     "mov        %4, %%"REG_b"               \n\t"
1502                     "push %%"REG_BP"                        \n\t"
1503                     YSCALEYUV2RGB1b(%%REGBP, %5)
1504                     YSCALEYUV2RGB1_ALPHA(%%REGBP)
1505                     WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
1506                     "pop %%"REG_BP"                         \n\t"
1507                     "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1508
1509                     :: "c" (buf0), "d" (abuf0), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1510                     "a" (&c->redDither)
1511                     );
1512                 }else{
1513                     __asm__ volatile(
1514                     "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1515                     "mov        %4, %%"REG_b"               \n\t"
1516                     "push %%"REG_BP"                        \n\t"
1517                     YSCALEYUV2RGB1b(%%REGBP, %5)
1518                     "pcmpeqd %%mm7, %%mm7                   \n\t"
1519                     WRITEBGR32(%%REGb, 8280(%5), %%REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
1520                     "pop %%"REG_BP"                         \n\t"
1521                     "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1522
1523                     :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1524                     "a" (&c->redDither)
1525                     );
1526                 }
1527                 return;
1528             case PIX_FMT_BGR24:
1529                 __asm__ volatile(
1530                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1531                 "mov        %4, %%"REG_b"               \n\t"
1532                 "push %%"REG_BP"                        \n\t"
1533                 YSCALEYUV2RGB1b(%%REGBP, %5)
1534                 "pxor    %%mm7, %%mm7                   \n\t"
1535                 WRITEBGR24(%%REGb, 8280(%5), %%REGBP)
1536                 "pop %%"REG_BP"                         \n\t"
1537                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1538
1539                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1540                 "a" (&c->redDither)
1541                 );
1542                 return;
1543             case PIX_FMT_RGB555:
1544                 __asm__ volatile(
1545                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1546                 "mov        %4, %%"REG_b"               \n\t"
1547                 "push %%"REG_BP"                        \n\t"
1548                 YSCALEYUV2RGB1b(%%REGBP, %5)
1549                 "pxor    %%mm7, %%mm7                   \n\t"
1550                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1551 #ifdef DITHER1XBPP
1552                 "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
1553                 "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
1554                 "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
1555 #endif
1556                 WRITERGB15(%%REGb, 8280(%5), %%REGBP)
1557                 "pop %%"REG_BP"                         \n\t"
1558                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1559
1560                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1561                 "a" (&c->redDither)
1562                 );
1563                 return;
1564             case PIX_FMT_RGB565:
1565                 __asm__ volatile(
1566                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1567                 "mov        %4, %%"REG_b"               \n\t"
1568                 "push %%"REG_BP"                        \n\t"
1569                 YSCALEYUV2RGB1b(%%REGBP, %5)
1570                 "pxor    %%mm7, %%mm7                   \n\t"
1571                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1572 #ifdef DITHER1XBPP
1573                 "paddusb "BLUE_DITHER"(%5), %%mm2      \n\t"
1574                 "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
1575                 "paddusb "RED_DITHER"(%5), %%mm5      \n\t"
1576 #endif
1577
1578                 WRITERGB16(%%REGb, 8280(%5), %%REGBP)
1579                 "pop %%"REG_BP"                         \n\t"
1580                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1581
1582                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1583                 "a" (&c->redDither)
1584                 );
1585                 return;
1586             case PIX_FMT_YUYV422:
1587                 __asm__ volatile(
1588                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1589                 "mov        %4, %%"REG_b"               \n\t"
1590                 "push %%"REG_BP"                        \n\t"
1591                 YSCALEYUV2PACKED1b(%%REGBP, %5)
1592                 WRITEYUY2(%%REGb, 8280(%5), %%REGBP)
1593                 "pop %%"REG_BP"                         \n\t"
1594                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1595
1596                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1597                 "a" (&c->redDither)
1598                 );
1599                 return;
1600             }
1601         }
1602     }
1603 #endif /* COMPILE_TEMPLATE_MMX */
1604     if (uvalpha < 2048)
1605     {
1606         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)
1607     }else{
1608         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)
1609     }
1610 }
1611
1612 //FIXME yuy2* can read up to 7 samples too much
1613
1614 static inline void RENAME(yuy2ToY)(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)
1615 {
1616 #if COMPILE_TEMPLATE_MMX
1617     __asm__ volatile(
1618     "movq "MANGLE(bm01010101)", %%mm2           \n\t"
1619     "mov                    %0, %%"REG_a"       \n\t"
1620     "1:                                         \n\t"
1621     "movq    (%1, %%"REG_a",2), %%mm0           \n\t"
1622     "movq   8(%1, %%"REG_a",2), %%mm1           \n\t"
1623     "pand                %%mm2, %%mm0           \n\t"
1624     "pand                %%mm2, %%mm1           \n\t"
1625     "packuswb            %%mm1, %%mm0           \n\t"
1626     "movq                %%mm0, (%2, %%"REG_a") \n\t"
1627     "add                    $8, %%"REG_a"       \n\t"
1628     " js                    1b                  \n\t"
1629     : : "g" ((x86_reg)-width), "r" (src+width*2), "r" (dst+width)
1630     : "%"REG_a
1631     );
1632 #else
1633     int i;
1634     for (i=0; i<width; i++)
1635         dst[i]= src[2*i];
1636 #endif
1637 }
1638
1639 static inline void RENAME(yuy2ToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
1640 {
1641 #if COMPILE_TEMPLATE_MMX
1642     __asm__ volatile(
1643     "movq "MANGLE(bm01010101)", %%mm4           \n\t"
1644     "mov                    %0, %%"REG_a"       \n\t"
1645     "1:                                         \n\t"
1646     "movq    (%1, %%"REG_a",4), %%mm0           \n\t"
1647     "movq   8(%1, %%"REG_a",4), %%mm1           \n\t"
1648     "psrlw                  $8, %%mm0           \n\t"
1649     "psrlw                  $8, %%mm1           \n\t"
1650     "packuswb            %%mm1, %%mm0           \n\t"
1651     "movq                %%mm0, %%mm1           \n\t"
1652     "psrlw                  $8, %%mm0           \n\t"
1653     "pand                %%mm4, %%mm1           \n\t"
1654     "packuswb            %%mm0, %%mm0           \n\t"
1655     "packuswb            %%mm1, %%mm1           \n\t"
1656     "movd                %%mm0, (%3, %%"REG_a") \n\t"
1657     "movd                %%mm1, (%2, %%"REG_a") \n\t"
1658     "add                    $4, %%"REG_a"       \n\t"
1659     " js                    1b                  \n\t"
1660     : : "g" ((x86_reg)-width), "r" (src1+width*4), "r" (dstU+width), "r" (dstV+width)
1661     : "%"REG_a
1662     );
1663 #else
1664     int i;
1665     for (i=0; i<width; i++)
1666     {
1667         dstU[i]= src1[4*i + 1];
1668         dstV[i]= src1[4*i + 3];
1669     }
1670 #endif
1671     assert(src1 == src2);
1672 }
1673
1674 static inline void RENAME(LEToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
1675 {
1676 #if COMPILE_TEMPLATE_MMX
1677     __asm__ volatile(
1678     "mov                    %0, %%"REG_a"       \n\t"
1679     "1:                                         \n\t"
1680     "movq    (%1, %%"REG_a",2), %%mm0           \n\t"
1681     "movq   8(%1, %%"REG_a",2), %%mm1           \n\t"
1682     "movq    (%2, %%"REG_a",2), %%mm2           \n\t"
1683     "movq   8(%2, %%"REG_a",2), %%mm3           \n\t"
1684     "psrlw                  $8, %%mm0           \n\t"
1685     "psrlw                  $8, %%mm1           \n\t"
1686     "psrlw                  $8, %%mm2           \n\t"
1687     "psrlw                  $8, %%mm3           \n\t"
1688     "packuswb            %%mm1, %%mm0           \n\t"
1689     "packuswb            %%mm3, %%mm2           \n\t"
1690     "movq                %%mm0, (%3, %%"REG_a") \n\t"
1691     "movq                %%mm2, (%4, %%"REG_a") \n\t"
1692     "add                    $8, %%"REG_a"       \n\t"
1693     " js                    1b                  \n\t"
1694     : : "g" ((x86_reg)-width), "r" (src1+width*2), "r" (src2+width*2), "r" (dstU+width), "r" (dstV+width)
1695     : "%"REG_a
1696     );
1697 #else
1698     int i;
1699     for (i=0; i<width; i++)
1700     {
1701         dstU[i]= src1[2*i + 1];
1702         dstV[i]= src2[2*i + 1];
1703     }
1704 #endif
1705 }
1706
1707 /* This is almost identical to the previous, end exists only because
1708  * yuy2ToY/UV)(dst, src+1, ...) would have 100% unaligned accesses. */
1709 static inline void RENAME(uyvyToY)(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)
1710 {
1711 #if COMPILE_TEMPLATE_MMX
1712     __asm__ volatile(
1713     "mov                  %0, %%"REG_a"         \n\t"
1714     "1:                                         \n\t"
1715     "movq  (%1, %%"REG_a",2), %%mm0             \n\t"
1716     "movq 8(%1, %%"REG_a",2), %%mm1             \n\t"
1717     "psrlw                $8, %%mm0             \n\t"
1718     "psrlw                $8, %%mm1             \n\t"
1719     "packuswb          %%mm1, %%mm0             \n\t"
1720     "movq              %%mm0, (%2, %%"REG_a")   \n\t"
1721     "add                  $8, %%"REG_a"         \n\t"
1722     " js                  1b                    \n\t"
1723     : : "g" ((x86_reg)-width), "r" (src+width*2), "r" (dst+width)
1724     : "%"REG_a
1725     );
1726 #else
1727     int i;
1728     for (i=0; i<width; i++)
1729         dst[i]= src[2*i+1];
1730 #endif
1731 }
1732
1733 static inline void RENAME(uyvyToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
1734 {
1735 #if COMPILE_TEMPLATE_MMX
1736     __asm__ volatile(
1737     "movq "MANGLE(bm01010101)", %%mm4           \n\t"
1738     "mov                    %0, %%"REG_a"       \n\t"
1739     "1:                                         \n\t"
1740     "movq    (%1, %%"REG_a",4), %%mm0           \n\t"
1741     "movq   8(%1, %%"REG_a",4), %%mm1           \n\t"
1742     "pand                %%mm4, %%mm0           \n\t"
1743     "pand                %%mm4, %%mm1           \n\t"
1744     "packuswb            %%mm1, %%mm0           \n\t"
1745     "movq                %%mm0, %%mm1           \n\t"
1746     "psrlw                  $8, %%mm0           \n\t"
1747     "pand                %%mm4, %%mm1           \n\t"
1748     "packuswb            %%mm0, %%mm0           \n\t"
1749     "packuswb            %%mm1, %%mm1           \n\t"
1750     "movd                %%mm0, (%3, %%"REG_a") \n\t"
1751     "movd                %%mm1, (%2, %%"REG_a") \n\t"
1752     "add                    $4, %%"REG_a"       \n\t"
1753     " js                    1b                  \n\t"
1754     : : "g" ((x86_reg)-width), "r" (src1+width*4), "r" (dstU+width), "r" (dstV+width)
1755     : "%"REG_a
1756     );
1757 #else
1758     int i;
1759     for (i=0; i<width; i++)
1760     {
1761         dstU[i]= src1[4*i + 0];
1762         dstV[i]= src1[4*i + 2];
1763     }
1764 #endif
1765     assert(src1 == src2);
1766 }
1767
1768 static inline void RENAME(BEToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
1769 {
1770 #if COMPILE_TEMPLATE_MMX
1771     __asm__ volatile(
1772     "movq "MANGLE(bm01010101)", %%mm4           \n\t"
1773     "mov                    %0, %%"REG_a"       \n\t"
1774     "1:                                         \n\t"
1775     "movq    (%1, %%"REG_a",2), %%mm0           \n\t"
1776     "movq   8(%1, %%"REG_a",2), %%mm1           \n\t"
1777     "movq    (%2, %%"REG_a",2), %%mm2           \n\t"
1778     "movq   8(%2, %%"REG_a",2), %%mm3           \n\t"
1779     "pand                %%mm4, %%mm0           \n\t"
1780     "pand                %%mm4, %%mm1           \n\t"
1781     "pand                %%mm4, %%mm2           \n\t"
1782     "pand                %%mm4, %%mm3           \n\t"
1783     "packuswb            %%mm1, %%mm0           \n\t"
1784     "packuswb            %%mm3, %%mm2           \n\t"
1785     "movq                %%mm0, (%3, %%"REG_a") \n\t"
1786     "movq                %%mm2, (%4, %%"REG_a") \n\t"
1787     "add                    $8, %%"REG_a"       \n\t"
1788     " js                    1b                  \n\t"
1789     : : "g" ((x86_reg)-width), "r" (src1+width*2), "r" (src2+width*2), "r" (dstU+width), "r" (dstV+width)
1790     : "%"REG_a
1791     );
1792 #else
1793     int i;
1794     for (i=0; i<width; i++)
1795     {
1796         dstU[i]= src1[2*i];
1797         dstV[i]= src2[2*i];
1798     }
1799 #endif
1800 }
1801
1802 #if COMPILE_TEMPLATE_MMX
1803 static inline void RENAME(bgr24ToY_mmx)(uint8_t *dst, const uint8_t *src, long width, int srcFormat)
1804 {
1805
1806     if(srcFormat == PIX_FMT_BGR24){
1807         __asm__ volatile(
1808             "movq  "MANGLE(ff_bgr24toY1Coeff)", %%mm5       \n\t"
1809             "movq  "MANGLE(ff_bgr24toY2Coeff)", %%mm6       \n\t"
1810             :
1811         );
1812     }else{
1813         __asm__ volatile(
1814             "movq  "MANGLE(ff_rgb24toY1Coeff)", %%mm5       \n\t"
1815             "movq  "MANGLE(ff_rgb24toY2Coeff)", %%mm6       \n\t"
1816             :
1817         );
1818     }
1819
1820     __asm__ volatile(
1821         "movq  "MANGLE(ff_bgr24toYOffset)", %%mm4   \n\t"
1822         "mov                        %2, %%"REG_a"   \n\t"
1823         "pxor                    %%mm7, %%mm7       \n\t"
1824         "1:                                         \n\t"
1825         PREFETCH"               64(%0)              \n\t"
1826         "movd                     (%0), %%mm0       \n\t"
1827         "movd                    2(%0), %%mm1       \n\t"
1828         "movd                    6(%0), %%mm2       \n\t"
1829         "movd                    8(%0), %%mm3       \n\t"
1830         "add                       $12, %0          \n\t"
1831         "punpcklbw               %%mm7, %%mm0       \n\t"
1832         "punpcklbw               %%mm7, %%mm1       \n\t"
1833         "punpcklbw               %%mm7, %%mm2       \n\t"
1834         "punpcklbw               %%mm7, %%mm3       \n\t"
1835         "pmaddwd                 %%mm5, %%mm0       \n\t"
1836         "pmaddwd                 %%mm6, %%mm1       \n\t"
1837         "pmaddwd                 %%mm5, %%mm2       \n\t"
1838         "pmaddwd                 %%mm6, %%mm3       \n\t"
1839         "paddd                   %%mm1, %%mm0       \n\t"
1840         "paddd                   %%mm3, %%mm2       \n\t"
1841         "paddd                   %%mm4, %%mm0       \n\t"
1842         "paddd                   %%mm4, %%mm2       \n\t"
1843         "psrad                     $15, %%mm0       \n\t"
1844         "psrad                     $15, %%mm2       \n\t"
1845         "packssdw                %%mm2, %%mm0       \n\t"
1846         "packuswb                %%mm0, %%mm0       \n\t"
1847         "movd                %%mm0, (%1, %%"REG_a") \n\t"
1848         "add                        $4, %%"REG_a"   \n\t"
1849         " js                        1b              \n\t"
1850     : "+r" (src)
1851     : "r" (dst+width), "g" ((x86_reg)-width)
1852     : "%"REG_a
1853     );
1854 }
1855
1856 static inline void RENAME(bgr24ToUV_mmx)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src, long width, int srcFormat)
1857 {
1858     __asm__ volatile(
1859         "movq                    24+%4, %%mm6       \n\t"
1860         "mov                        %3, %%"REG_a"   \n\t"
1861         "pxor                    %%mm7, %%mm7       \n\t"
1862         "1:                                         \n\t"
1863         PREFETCH"               64(%0)              \n\t"
1864         "movd                     (%0), %%mm0       \n\t"
1865         "movd                    2(%0), %%mm1       \n\t"
1866         "punpcklbw               %%mm7, %%mm0       \n\t"
1867         "punpcklbw               %%mm7, %%mm1       \n\t"
1868         "movq                    %%mm0, %%mm2       \n\t"
1869         "movq                    %%mm1, %%mm3       \n\t"
1870         "pmaddwd                    %4, %%mm0       \n\t"
1871         "pmaddwd                  8+%4, %%mm1       \n\t"
1872         "pmaddwd                 16+%4, %%mm2       \n\t"
1873         "pmaddwd                 %%mm6, %%mm3       \n\t"
1874         "paddd                   %%mm1, %%mm0       \n\t"
1875         "paddd                   %%mm3, %%mm2       \n\t"
1876
1877         "movd                    6(%0), %%mm1       \n\t"
1878         "movd                    8(%0), %%mm3       \n\t"
1879         "add                       $12, %0          \n\t"
1880         "punpcklbw               %%mm7, %%mm1       \n\t"
1881         "punpcklbw               %%mm7, %%mm3       \n\t"
1882         "movq                    %%mm1, %%mm4       \n\t"
1883         "movq                    %%mm3, %%mm5       \n\t"
1884         "pmaddwd                    %4, %%mm1       \n\t"
1885         "pmaddwd                  8+%4, %%mm3       \n\t"
1886         "pmaddwd                 16+%4, %%mm4       \n\t"
1887         "pmaddwd                 %%mm6, %%mm5       \n\t"
1888         "paddd                   %%mm3, %%mm1       \n\t"
1889         "paddd                   %%mm5, %%mm4       \n\t"
1890
1891         "movq "MANGLE(ff_bgr24toUVOffset)", %%mm3       \n\t"
1892         "paddd                   %%mm3, %%mm0       \n\t"
1893         "paddd                   %%mm3, %%mm2       \n\t"
1894         "paddd                   %%mm3, %%mm1       \n\t"
1895         "paddd                   %%mm3, %%mm4       \n\t"
1896         "psrad                     $15, %%mm0       \n\t"
1897         "psrad                     $15, %%mm2       \n\t"
1898         "psrad                     $15, %%mm1       \n\t"
1899         "psrad                     $15, %%mm4       \n\t"
1900         "packssdw                %%mm1, %%mm0       \n\t"
1901         "packssdw                %%mm4, %%mm2       \n\t"
1902         "packuswb                %%mm0, %%mm0       \n\t"
1903         "packuswb                %%mm2, %%mm2       \n\t"
1904         "movd                %%mm0, (%1, %%"REG_a") \n\t"
1905         "movd                %%mm2, (%2, %%"REG_a") \n\t"
1906         "add                        $4, %%"REG_a"   \n\t"
1907         " js                        1b              \n\t"
1908     : "+r" (src)
1909     : "r" (dstU+width), "r" (dstV+width), "g" ((x86_reg)-width), "m"(ff_bgr24toUV[srcFormat == PIX_FMT_RGB24][0])
1910     : "%"REG_a
1911     );
1912 }
1913 #endif
1914
1915 static inline void RENAME(bgr24ToY)(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)
1916 {
1917 #if COMPILE_TEMPLATE_MMX
1918     RENAME(bgr24ToY_mmx)(dst, src, width, PIX_FMT_BGR24);
1919 #else
1920     int i;
1921     for (i=0; i<width; i++)
1922     {
1923         int b= src[i*3+0];
1924         int g= src[i*3+1];
1925         int r= src[i*3+2];
1926
1927         dst[i]= ((RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);
1928     }
1929 #endif /* COMPILE_TEMPLATE_MMX */
1930 }
1931
1932 static inline void RENAME(bgr24ToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
1933 {
1934 #if COMPILE_TEMPLATE_MMX
1935     RENAME(bgr24ToUV_mmx)(dstU, dstV, src1, width, PIX_FMT_BGR24);
1936 #else
1937     int i;
1938     for (i=0; i<width; i++)
1939     {
1940         int b= src1[3*i + 0];
1941         int g= src1[3*i + 1];
1942         int r= src1[3*i + 2];
1943
1944         dstU[i]= (RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;
1945         dstV[i]= (RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;
1946     }
1947 #endif /* COMPILE_TEMPLATE_MMX */
1948     assert(src1 == src2);
1949 }
1950
1951 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)
1952 {
1953     int i;
1954     for (i=0; i<width; i++)
1955     {
1956         int b= src1[6*i + 0] + src1[6*i + 3];
1957         int g= src1[6*i + 1] + src1[6*i + 4];
1958         int r= src1[6*i + 2] + src1[6*i + 5];
1959
1960         dstU[i]= (RU*r + GU*g + BU*b + (257<<RGB2YUV_SHIFT))>>(RGB2YUV_SHIFT+1);
1961         dstV[i]= (RV*r + GV*g + BV*b + (257<<RGB2YUV_SHIFT))>>(RGB2YUV_SHIFT+1);
1962     }
1963     assert(src1 == src2);
1964 }
1965
1966 static inline void RENAME(rgb24ToY)(uint8_t *dst, const uint8_t *src, long width, uint32_t *unused)
1967 {
1968 #if COMPILE_TEMPLATE_MMX
1969     RENAME(bgr24ToY_mmx)(dst, src, width, PIX_FMT_RGB24);
1970 #else
1971     int i;
1972     for (i=0; i<width; i++)
1973     {
1974         int r= src[i*3+0];
1975         int g= src[i*3+1];
1976         int b= src[i*3+2];
1977
1978         dst[i]= ((RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);
1979     }
1980 #endif
1981 }
1982
1983 static inline void RENAME(rgb24ToUV)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, long width, uint32_t *unused)
1984 {
1985 #if COMPILE_TEMPLATE_MMX
1986     assert(src1==src2);
1987     RENAME(bgr24ToUV_mmx)(dstU, dstV, src1, width, PIX_FMT_RGB24);
1988 #else
1989     int i;
1990     assert(src1==src2);
1991     for (i=0; i<width; i++)
1992     {
1993         int r= src1[3*i + 0];
1994         int g= src1[3*i + 1];
1995         int b= src1[3*i + 2];
1996
1997         dstU[i]= (RU*r + GU*g + BU*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;
1998         dstV[i]= (RV*r + GV*g + BV*b + (257<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT;
1999     }
2000 #endif
2001 }
2002
2003 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)
2004 {
2005     int i;
2006     assert(src1==src2);
2007     for (i=0; i<width; i++)
2008     {
2009         int r= src1[6*i + 0] + src1[6*i + 3];
2010         int g= src1[6*i + 1] + src1[6*i + 4];
2011         int b= src1[6*i + 2] + src1[6*i + 5];
2012
2013         dstU[i]= (RU*r + GU*g + BU*b + (257<<RGB2YUV_SHIFT))>>(RGB2YUV_SHIFT+1);
2014         dstV[i]= (RV*r + GV*g + BV*b + (257<<RGB2YUV_SHIFT))>>(RGB2YUV_SHIFT+1);
2015     }
2016 }
2017
2018
2019 // bilinear / bicubic scaling
2020 static inline void RENAME(hScale)(int16_t *dst, int dstW, const uint8_t *src, int srcW, int xInc,
2021                                   const int16_t *filter, const int16_t *filterPos, long filterSize)
2022 {
2023 #if COMPILE_TEMPLATE_MMX
2024     assert(filterSize % 4 == 0 && filterSize>0);
2025     if (filterSize==4) // Always true for upscaling, sometimes for down, too.
2026     {
2027         x86_reg counter= -2*dstW;
2028         filter-= counter*2;
2029         filterPos-= counter/2;
2030         dst-= counter/2;
2031         __asm__ volatile(
2032 #if defined(PIC)
2033         "push            %%"REG_b"              \n\t"
2034 #endif
2035         "pxor                %%mm7, %%mm7       \n\t"
2036         "push           %%"REG_BP"              \n\t" // we use 7 regs here ...
2037         "mov             %%"REG_a", %%"REG_BP"  \n\t"
2038         ASMALIGN(4)
2039         "1:                                     \n\t"
2040         "movzwl   (%2, %%"REG_BP"), %%eax       \n\t"
2041         "movzwl  2(%2, %%"REG_BP"), %%ebx       \n\t"
2042         "movq  (%1, %%"REG_BP", 4), %%mm1       \n\t"
2043         "movq 8(%1, %%"REG_BP", 4), %%mm3       \n\t"
2044         "movd      (%3, %%"REG_a"), %%mm0       \n\t"
2045         "movd      (%3, %%"REG_b"), %%mm2       \n\t"
2046         "punpcklbw           %%mm7, %%mm0       \n\t"
2047         "punpcklbw           %%mm7, %%mm2       \n\t"
2048         "pmaddwd             %%mm1, %%mm0       \n\t"
2049         "pmaddwd             %%mm2, %%mm3       \n\t"
2050         "movq                %%mm0, %%mm4       \n\t"
2051         "punpckldq           %%mm3, %%mm0       \n\t"
2052         "punpckhdq           %%mm3, %%mm4       \n\t"
2053         "paddd               %%mm4, %%mm0       \n\t"
2054         "psrad                  $7, %%mm0       \n\t"
2055         "packssdw            %%mm0, %%mm0       \n\t"
2056         "movd                %%mm0, (%4, %%"REG_BP")    \n\t"
2057         "add                    $4, %%"REG_BP"  \n\t"
2058         " jnc                   1b              \n\t"
2059
2060         "pop            %%"REG_BP"              \n\t"
2061 #if defined(PIC)
2062         "pop             %%"REG_b"              \n\t"
2063 #endif
2064         : "+a" (counter)
2065         : "c" (filter), "d" (filterPos), "S" (src), "D" (dst)
2066 #if !defined(PIC)
2067         : "%"REG_b
2068 #endif
2069         );
2070     }
2071     else if (filterSize==8)
2072     {
2073         x86_reg counter= -2*dstW;
2074         filter-= counter*4;
2075         filterPos-= counter/2;
2076         dst-= counter/2;
2077         __asm__ volatile(
2078 #if defined(PIC)
2079         "push             %%"REG_b"             \n\t"
2080 #endif
2081         "pxor                 %%mm7, %%mm7      \n\t"
2082         "push            %%"REG_BP"             \n\t" // we use 7 regs here ...
2083         "mov              %%"REG_a", %%"REG_BP" \n\t"
2084         ASMALIGN(4)
2085         "1:                                     \n\t"
2086         "movzwl    (%2, %%"REG_BP"), %%eax      \n\t"
2087         "movzwl   2(%2, %%"REG_BP"), %%ebx      \n\t"
2088         "movq   (%1, %%"REG_BP", 8), %%mm1      \n\t"
2089         "movq 16(%1, %%"REG_BP", 8), %%mm3      \n\t"
2090         "movd       (%3, %%"REG_a"), %%mm0      \n\t"
2091         "movd       (%3, %%"REG_b"), %%mm2      \n\t"
2092         "punpcklbw            %%mm7, %%mm0      \n\t"
2093         "punpcklbw            %%mm7, %%mm2      \n\t"
2094         "pmaddwd              %%mm1, %%mm0      \n\t"
2095         "pmaddwd              %%mm2, %%mm3      \n\t"
2096
2097         "movq  8(%1, %%"REG_BP", 8), %%mm1      \n\t"
2098         "movq 24(%1, %%"REG_BP", 8), %%mm5      \n\t"
2099         "movd      4(%3, %%"REG_a"), %%mm4      \n\t"
2100         "movd      4(%3, %%"REG_b"), %%mm2      \n\t"
2101         "punpcklbw            %%mm7, %%mm4      \n\t"
2102         "punpcklbw            %%mm7, %%mm2      \n\t"
2103         "pmaddwd              %%mm1, %%mm4      \n\t"
2104         "pmaddwd              %%mm2, %%mm5      \n\t"
2105         "paddd                %%mm4, %%mm0      \n\t"
2106         "paddd                %%mm5, %%mm3      \n\t"
2107         "movq                 %%mm0, %%mm4      \n\t"
2108         "punpckldq            %%mm3, %%mm0      \n\t"
2109         "punpckhdq            %%mm3, %%mm4      \n\t"
2110         "paddd                %%mm4, %%mm0      \n\t"
2111         "psrad                   $7, %%mm0      \n\t"
2112         "packssdw             %%mm0, %%mm0      \n\t"
2113         "movd                 %%mm0, (%4, %%"REG_BP")   \n\t"
2114         "add                     $4, %%"REG_BP" \n\t"
2115         " jnc                    1b             \n\t"
2116
2117         "pop             %%"REG_BP"             \n\t"
2118 #if defined(PIC)
2119         "pop              %%"REG_b"             \n\t"
2120 #endif
2121         : "+a" (counter)
2122         : "c" (filter), "d" (filterPos), "S" (src), "D" (dst)
2123 #if !defined(PIC)
2124         : "%"REG_b
2125 #endif
2126         );
2127     }
2128     else
2129     {
2130         uint8_t *offset = src+filterSize;
2131         x86_reg counter= -2*dstW;
2132         //filter-= counter*filterSize/2;
2133         filterPos-= counter/2;
2134         dst-= counter/2;
2135         __asm__ volatile(
2136         "pxor                  %%mm7, %%mm7     \n\t"
2137         ASMALIGN(4)
2138         "1:                                     \n\t"
2139         "mov                      %2, %%"REG_c" \n\t"
2140         "movzwl      (%%"REG_c", %0), %%eax     \n\t"
2141         "movzwl     2(%%"REG_c", %0), %%edx     \n\t"
2142         "mov                      %5, %%"REG_c" \n\t"
2143         "pxor                  %%mm4, %%mm4     \n\t"
2144         "pxor                  %%mm5, %%mm5     \n\t"
2145         "2:                                     \n\t"
2146         "movq                   (%1), %%mm1     \n\t"
2147         "movq               (%1, %6), %%mm3     \n\t"
2148         "movd (%%"REG_c", %%"REG_a"), %%mm0     \n\t"
2149         "movd (%%"REG_c", %%"REG_d"), %%mm2     \n\t"
2150         "punpcklbw             %%mm7, %%mm0     \n\t"
2151         "punpcklbw             %%mm7, %%mm2     \n\t"
2152         "pmaddwd               %%mm1, %%mm0     \n\t"
2153         "pmaddwd               %%mm2, %%mm3     \n\t"
2154         "paddd                 %%mm3, %%mm5     \n\t"
2155         "paddd                 %%mm0, %%mm4     \n\t"
2156         "add                      $8, %1        \n\t"
2157         "add                      $4, %%"REG_c" \n\t"
2158         "cmp                      %4, %%"REG_c" \n\t"
2159         " jb                      2b            \n\t"
2160         "add                      %6, %1        \n\t"
2161         "movq                  %%mm4, %%mm0     \n\t"
2162         "punpckldq             %%mm5, %%mm4     \n\t"
2163         "punpckhdq             %%mm5, %%mm0     \n\t"
2164         "paddd                 %%mm0, %%mm4     \n\t"
2165         "psrad                    $7, %%mm4     \n\t"
2166         "packssdw              %%mm4, %%mm4     \n\t"
2167         "mov                      %3, %%"REG_a" \n\t"
2168         "movd                  %%mm4, (%%"REG_a", %0)   \n\t"
2169         "add                      $4, %0        \n\t"
2170         " jnc                     1b            \n\t"
2171
2172         : "+r" (counter), "+r" (filter)
2173         : "m" (filterPos), "m" (dst), "m"(offset),
2174           "m" (src), "r" ((x86_reg)filterSize*2)
2175         : "%"REG_a, "%"REG_c, "%"REG_d
2176         );
2177     }
2178 #else
2179 #if COMPILE_TEMPLATE_ALTIVEC
2180     hScale_altivec_real(dst, dstW, src, srcW, xInc, filter, filterPos, filterSize);
2181 #else
2182     int i;
2183     for (i=0; i<dstW; i++)
2184     {
2185         int j;
2186         int srcPos= filterPos[i];
2187         int val=0;
2188         //printf("filterPos: %d\n", filterPos[i]);
2189         for (j=0; j<filterSize; j++)
2190         {
2191             //printf("filter: %d, src: %d\n", filter[i], src[srcPos + j]);
2192             val += ((int)src[srcPos + j])*filter[filterSize*i + j];
2193         }
2194         //filter += hFilterSize;
2195         dst[i] = FFMIN(val>>7, (1<<15)-1); // the cubic equation does overflow ...
2196         //dst[i] = val>>7;
2197     }
2198 #endif /* COMPILE_ALTIVEC */
2199 #endif /* COMPILE_MMX */
2200 }
2201
2202 #define FAST_BILINEAR_X86 \
2203     "subl    %%edi, %%esi    \n\t" /*  src[xx+1] - src[xx] */                   \
2204     "imull   %%ecx, %%esi    \n\t" /* (src[xx+1] - src[xx])*xalpha */           \
2205     "shll      $16, %%edi    \n\t"                                              \
2206     "addl    %%edi, %%esi    \n\t" /* src[xx+1]*xalpha + src[xx]*(1-xalpha) */  \
2207     "mov        %1, %%"REG_D"\n\t"                                              \
2208     "shrl       $9, %%esi    \n\t"                                              \
2209
2210 static inline void RENAME(hyscale_fast)(SwsContext *c, int16_t *dst,
2211                                         int dstWidth, const uint8_t *src, int srcW,
2212                                         int xInc)
2213 {
2214     int i;
2215     unsigned int xpos=0;
2216     for (i=0;i<dstWidth;i++)
2217     {
2218         register unsigned int xx=xpos>>16;
2219         register unsigned int xalpha=(xpos&0xFFFF)>>9;
2220         dst[i]= (src[xx]<<7) + (src[xx+1] - src[xx])*xalpha;
2221         xpos+=xInc;
2222     }
2223 }
2224
2225       // *** horizontal scale Y line to temp buffer
2226 static inline void RENAME(hyscale)(SwsContext *c, uint16_t *dst, long dstWidth, const uint8_t *src, int srcW, int xInc,
2227                                    int flags, const int16_t *hLumFilter,
2228                                    const int16_t *hLumFilterPos, int hLumFilterSize,
2229                                    int srcFormat, uint8_t *formatConvBuffer,
2230                                    uint32_t *pal, int isAlpha)
2231 {
2232     int32_t av_unused *mmx2FilterPos = c->lumMmx2FilterPos;
2233     int16_t av_unused *mmx2Filter    = c->lumMmx2Filter;
2234     int     av_unused canMMX2BeUsed  = c->canMMX2BeUsed;
2235     void    av_unused *funnyYCode    = c->funnyYCode;
2236     void (*internal_func)(uint8_t *, const uint8_t *, long, uint32_t *) = isAlpha ? c->hascale_internal : c->hyscale_internal;
2237
2238     if (isAlpha) {
2239         if (srcFormat == PIX_FMT_RGB32   || srcFormat == PIX_FMT_BGR32  )
2240             src += 3;
2241     } else {
2242         if (srcFormat == PIX_FMT_RGB32_1 || srcFormat == PIX_FMT_BGR32_1)
2243             src += ALT32_CORR;
2244     }
2245
2246     if (srcFormat == PIX_FMT_RGB48LE)
2247         src++;
2248
2249     if (internal_func) {
2250         internal_func(formatConvBuffer, src, srcW, pal);
2251         src= formatConvBuffer;
2252     }
2253
2254 #if COMPILE_TEMPLATE_MMX
2255     // Use the new MMX scaler if the MMX2 one can't be used (it is faster than the x86 ASM one).
2256     if (!(flags&SWS_FAST_BILINEAR) || (!canMMX2BeUsed))
2257 #else
2258     if (!(flags&SWS_FAST_BILINEAR))
2259 #endif
2260     {
2261         c->hScale(dst, dstWidth, src, srcW, xInc, hLumFilter, hLumFilterPos, hLumFilterSize);
2262     }
2263     else // fast bilinear upscale / crap downscale
2264     {
2265 #if ARCH_X86 && CONFIG_GPL
2266 #if COMPILE_TEMPLATE_MMX2
2267         int i;
2268 #if defined(PIC)
2269         DECLARE_ALIGNED(8, uint64_t, ebxsave);
2270 #endif
2271         if (canMMX2BeUsed)
2272         {
2273             __asm__ volatile(
2274 #if defined(PIC)
2275             "mov               %%"REG_b", %5        \n\t"
2276 #endif
2277             "pxor                  %%mm7, %%mm7     \n\t"
2278             "mov                      %0, %%"REG_c" \n\t"
2279             "mov                      %1, %%"REG_D" \n\t"
2280             "mov                      %2, %%"REG_d" \n\t"
2281             "mov                      %3, %%"REG_b" \n\t"
2282             "xor               %%"REG_a", %%"REG_a" \n\t" // i
2283             PREFETCH"        (%%"REG_c")            \n\t"
2284             PREFETCH"      32(%%"REG_c")            \n\t"
2285             PREFETCH"      64(%%"REG_c")            \n\t"
2286
2287 #if ARCH_X86_64
2288
2289 #define FUNNY_Y_CODE \
2290             "movl            (%%"REG_b"), %%esi     \n\t"\
2291             "call                    *%4            \n\t"\
2292             "movl (%%"REG_b", %%"REG_a"), %%esi     \n\t"\
2293             "add               %%"REG_S", %%"REG_c" \n\t"\
2294             "add               %%"REG_a", %%"REG_D" \n\t"\
2295             "xor               %%"REG_a", %%"REG_a" \n\t"\
2296
2297 #else
2298
2299 #define FUNNY_Y_CODE \
2300             "movl (%%"REG_b"), %%esi        \n\t"\
2301             "call         *%4                       \n\t"\
2302             "addl (%%"REG_b", %%"REG_a"), %%"REG_c" \n\t"\
2303             "add               %%"REG_a", %%"REG_D" \n\t"\
2304             "xor               %%"REG_a", %%"REG_a" \n\t"\
2305
2306 #endif /* ARCH_X86_64 */
2307
2308 FUNNY_Y_CODE
2309 FUNNY_Y_CODE
2310 FUNNY_Y_CODE
2311 FUNNY_Y_CODE
2312 FUNNY_Y_CODE
2313 FUNNY_Y_CODE
2314 FUNNY_Y_CODE
2315 FUNNY_Y_CODE
2316
2317 #if defined(PIC)
2318             "mov                      %5, %%"REG_b" \n\t"
2319 #endif
2320             :: "m" (src), "m" (dst), "m" (mmx2Filter), "m" (mmx2FilterPos),
2321             "m" (funnyYCode)
2322 #if defined(PIC)
2323             ,"m" (ebxsave)
2324 #endif
2325             : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D
2326 #if !defined(PIC)
2327             ,"%"REG_b
2328 #endif
2329             );
2330             for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--) dst[i] = src[srcW-1]*128;
2331         }
2332         else
2333         {
2334 #endif /* COMPILE_TEMPLATE_MMX2 */
2335         x86_reg xInc_shr16 = xInc >> 16;
2336         uint16_t xInc_mask = xInc & 0xffff;
2337         //NO MMX just normal asm ...
2338         __asm__ volatile(
2339         "xor %%"REG_a", %%"REG_a"            \n\t" // i
2340         "xor %%"REG_d", %%"REG_d"            \n\t" // xx
2341         "xorl    %%ecx, %%ecx                \n\t" // xalpha
2342         ASMALIGN(4)
2343         "1:                                  \n\t"
2344         "movzbl    (%0, %%"REG_d"), %%edi    \n\t" //src[xx]
2345         "movzbl   1(%0, %%"REG_d"), %%esi    \n\t" //src[xx+1]
2346         FAST_BILINEAR_X86
2347         "movw     %%si, (%%"REG_D", %%"REG_a", 2)   \n\t"
2348         "addw       %4, %%cx                 \n\t" //xalpha += xInc&0xFFFF
2349         "adc        %3, %%"REG_d"            \n\t" //xx+= xInc>>16 + carry
2350
2351         "movzbl    (%0, %%"REG_d"), %%edi    \n\t" //src[xx]
2352         "movzbl   1(%0, %%"REG_d"), %%esi    \n\t" //src[xx+1]
2353         FAST_BILINEAR_X86
2354         "movw     %%si, 2(%%"REG_D", %%"REG_a", 2)  \n\t"
2355         "addw       %4, %%cx                 \n\t" //xalpha += xInc&0xFFFF
2356         "adc        %3, %%"REG_d"            \n\t" //xx+= xInc>>16 + carry
2357
2358
2359         "add        $2, %%"REG_a"            \n\t"
2360         "cmp        %2, %%"REG_a"            \n\t"
2361         " jb        1b                       \n\t"
2362
2363
2364         :: "r" (src), "m" (dst), "m" (dstWidth), "m" (xInc_shr16), "m" (xInc_mask)
2365         : "%"REG_a, "%"REG_d, "%ecx", "%"REG_D, "%esi"
2366         );
2367 #if COMPILE_TEMPLATE_MMX2
2368         } //if MMX2 can't be used
2369 #endif
2370 #else
2371         c->hyscale_fast(c, dst, dstWidth, src, srcW, xInc);
2372 #endif /* ARCH_X86 */
2373     }
2374
2375     if(!isAlpha && c->srcRange != c->dstRange && !(isRGB(c->dstFormat) || isBGR(c->dstFormat))){
2376         int i;
2377         //FIXME all pal and rgb srcFormats could do this convertion as well
2378         //FIXME all scalers more complex than bilinear could do half of this transform
2379         if(c->srcRange){
2380             for (i=0; i<dstWidth; i++)
2381                 dst[i]= (dst[i]*14071 + 33561947)>>14;
2382         }else{
2383             for (i=0; i<dstWidth; i++)
2384                 dst[i]= (FFMIN(dst[i],30189)*19077 - 39057361)>>14;
2385         }
2386     }
2387 }
2388
2389 static inline void RENAME(hcscale_fast)(SwsContext *c, int16_t *dst,
2390                                         int dstWidth, const uint8_t *src1,
2391                                         const uint8_t *src2, int srcW, int xInc)
2392 {
2393     int i;
2394     unsigned int xpos=0;
2395     for (i=0;i<dstWidth;i++)
2396     {
2397         register unsigned int xx=xpos>>16;
2398         register unsigned int xalpha=(xpos&0xFFFF)>>9;
2399         dst[i]=(src1[xx]*(xalpha^127)+src1[xx+1]*xalpha);
2400         dst[i+VOFW]=(src2[xx]*(xalpha^127)+src2[xx+1]*xalpha);
2401         /* slower
2402         dst[i]= (src1[xx]<<7) + (src1[xx+1] - src1[xx])*xalpha;
2403         dst[i+VOFW]=(src2[xx]<<7) + (src2[xx+1] - src2[xx])*xalpha;
2404         */
2405         xpos+=xInc;
2406     }
2407 }
2408
2409 inline static void RENAME(hcscale)(SwsContext *c, uint16_t *dst, long dstWidth, const uint8_t *src1, const uint8_t *src2,
2410                                    int srcW, int xInc, int flags, const int16_t *hChrFilter,
2411                                    const int16_t *hChrFilterPos, int hChrFilterSize,
2412                                    int srcFormat, uint8_t *formatConvBuffer,
2413                                    uint32_t *pal)
2414 {
2415     int32_t av_unused *mmx2FilterPos = c->chrMmx2FilterPos;
2416     int16_t av_unused *mmx2Filter    = c->chrMmx2Filter;
2417     int     av_unused canMMX2BeUsed  = c->canMMX2BeUsed;
2418     void    av_unused *funnyUVCode   = c->funnyUVCode;
2419
2420     if (isGray(srcFormat) || srcFormat==PIX_FMT_MONOBLACK || srcFormat==PIX_FMT_MONOWHITE)
2421         return;
2422
2423     if (srcFormat==PIX_FMT_RGB32_1 || srcFormat==PIX_FMT_BGR32_1) {
2424         src1 += ALT32_CORR;
2425         src2 += ALT32_CORR;
2426     }
2427
2428     if (srcFormat==PIX_FMT_RGB48LE) {
2429         src1++;
2430         src2++;
2431     }
2432
2433     if (c->hcscale_internal) {
2434         c->hcscale_internal(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, pal);
2435         src1= formatConvBuffer;
2436         src2= formatConvBuffer+VOFW;
2437     }
2438
2439 #if COMPILE_TEMPLATE_MMX
2440     // Use the new MMX scaler if the MMX2 one can't be used (it is faster than the x86 ASM one).
2441     if (!(flags&SWS_FAST_BILINEAR) || (!canMMX2BeUsed))
2442 #else
2443     if (!(flags&SWS_FAST_BILINEAR))
2444 #endif
2445     {
2446         c->hScale(dst     , dstWidth, src1, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize);
2447         c->hScale(dst+VOFW, dstWidth, src2, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize);
2448     }
2449     else // fast bilinear upscale / crap downscale
2450     {
2451 #if ARCH_X86 && CONFIG_GPL
2452 #if COMPILE_TEMPLATE_MMX2
2453         int i;
2454 #if defined(PIC)
2455         DECLARE_ALIGNED(8, uint64_t, ebxsave);
2456 #endif
2457         if (canMMX2BeUsed)
2458         {
2459             __asm__ volatile(
2460 #if defined(PIC)
2461             "mov          %%"REG_b", %6         \n\t"
2462 #endif
2463             "pxor             %%mm7, %%mm7      \n\t"
2464             "mov                 %0, %%"REG_c"  \n\t"
2465             "mov                 %1, %%"REG_D"  \n\t"
2466             "mov                 %2, %%"REG_d"  \n\t"
2467             "mov                 %3, %%"REG_b"  \n\t"
2468             "xor          %%"REG_a", %%"REG_a"  \n\t" // i
2469             PREFETCH"   (%%"REG_c")             \n\t"
2470             PREFETCH" 32(%%"REG_c")             \n\t"
2471             PREFETCH" 64(%%"REG_c")             \n\t"
2472
2473 #if ARCH_X86_64
2474
2475 #define FUNNY_UV_CODE \
2476             "movl       (%%"REG_b"), %%esi      \n\t"\
2477             "call               *%4             \n\t"\
2478             "movl (%%"REG_b", %%"REG_a"), %%esi \n\t"\
2479             "add          %%"REG_S", %%"REG_c"  \n\t"\
2480             "add          %%"REG_a", %%"REG_D"  \n\t"\
2481             "xor          %%"REG_a", %%"REG_a"  \n\t"\
2482
2483 #else
2484
2485 #define FUNNY_UV_CODE \
2486             "movl       (%%"REG_b"), %%esi      \n\t"\
2487             "call               *%4             \n\t"\
2488             "addl (%%"REG_b", %%"REG_a"), %%"REG_c" \n\t"\
2489             "add          %%"REG_a", %%"REG_D"  \n\t"\
2490             "xor          %%"REG_a", %%"REG_a"  \n\t"\
2491
2492 #endif /* ARCH_X86_64 */
2493
2494 FUNNY_UV_CODE
2495 FUNNY_UV_CODE
2496 FUNNY_UV_CODE
2497 FUNNY_UV_CODE
2498             "xor          %%"REG_a", %%"REG_a"  \n\t" // i
2499             "mov                 %5, %%"REG_c"  \n\t" // src
2500             "mov                 %1, %%"REG_D"  \n\t" // buf1
2501             "add              $"AV_STRINGIFY(VOF)", %%"REG_D"  \n\t"
2502             PREFETCH"   (%%"REG_c")             \n\t"
2503             PREFETCH" 32(%%"REG_c")             \n\t"
2504             PREFETCH" 64(%%"REG_c")             \n\t"
2505
2506 FUNNY_UV_CODE
2507 FUNNY_UV_CODE
2508 FUNNY_UV_CODE
2509 FUNNY_UV_CODE
2510
2511 #if defined(PIC)
2512             "mov %6, %%"REG_b"    \n\t"
2513 #endif
2514             :: "m" (src1), "m" (dst), "m" (mmx2Filter), "m" (mmx2FilterPos),
2515             "m" (funnyUVCode), "m" (src2)
2516 #if defined(PIC)
2517             ,"m" (ebxsave)
2518 #endif
2519             : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D
2520 #if !defined(PIC)
2521              ,"%"REG_b
2522 #endif
2523             );
2524             for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--)
2525             {
2526                 //printf("%d %d %d\n", dstWidth, i, srcW);
2527                 dst[i] = src1[srcW-1]*128;
2528                 dst[i+VOFW] = src2[srcW-1]*128;
2529             }
2530         }
2531         else
2532         {
2533 #endif /* COMPILE_TEMPLATE_MMX2 */
2534             x86_reg xInc_shr16 = (x86_reg) (xInc >> 16);
2535             uint16_t xInc_mask = xInc & 0xffff;
2536             __asm__ volatile(
2537             "xor %%"REG_a", %%"REG_a"               \n\t" // i
2538             "xor %%"REG_d", %%"REG_d"               \n\t" // xx
2539             "xorl    %%ecx, %%ecx                   \n\t" // xalpha
2540             ASMALIGN(4)
2541             "1:                                     \n\t"
2542             "mov        %0, %%"REG_S"               \n\t"
2543             "movzbl  (%%"REG_S", %%"REG_d"), %%edi  \n\t" //src[xx]
2544             "movzbl 1(%%"REG_S", %%"REG_d"), %%esi  \n\t" //src[xx+1]
2545             FAST_BILINEAR_X86
2546             "movw     %%si, (%%"REG_D", %%"REG_a", 2)   \n\t"
2547
2548             "movzbl    (%5, %%"REG_d"), %%edi       \n\t" //src[xx]
2549             "movzbl   1(%5, %%"REG_d"), %%esi       \n\t" //src[xx+1]
2550             FAST_BILINEAR_X86
2551             "movw     %%si, "AV_STRINGIFY(VOF)"(%%"REG_D", %%"REG_a", 2)   \n\t"
2552
2553             "addw       %4, %%cx                    \n\t" //xalpha += xInc&0xFFFF
2554             "adc        %3, %%"REG_d"               \n\t" //xx+= xInc>>16 + carry
2555             "add        $1, %%"REG_a"               \n\t"
2556             "cmp        %2, %%"REG_a"               \n\t"
2557             " jb        1b                          \n\t"
2558
2559 /* GCC 3.3 makes MPlayer crash on IA-32 machines when using "g" operand here,
2560    which is needed to support GCC 4.0. */
2561 #if ARCH_X86_64 && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
2562             :: "m" (src1), "m" (dst), "g" (dstWidth), "m" (xInc_shr16), "m" (xInc_mask),
2563 #else
2564             :: "m" (src1), "m" (dst), "m" (dstWidth), "m" (xInc_shr16), "m" (xInc_mask),
2565 #endif
2566             "r" (src2)
2567             : "%"REG_a, "%"REG_d, "%ecx", "%"REG_D, "%esi"
2568             );
2569 #if COMPILE_TEMPLATE_MMX2
2570         } //if MMX2 can't be used
2571 #endif
2572 #else
2573         c->hcscale_fast(c, dst, dstWidth, src1, src2, srcW, xInc);
2574 #endif /* ARCH_X86 */
2575     }
2576     if(c->srcRange != c->dstRange && !(isRGB(c->dstFormat) || isBGR(c->dstFormat))){
2577         int i;
2578         //FIXME all pal and rgb srcFormats could do this convertion as well
2579         //FIXME all scalers more complex than bilinear could do half of this transform
2580         if(c->srcRange){
2581             for (i=0; i<dstWidth; i++){
2582                 dst[i     ]= (dst[i     ]*1799 + 4081085)>>11; //1469
2583                 dst[i+VOFW]= (dst[i+VOFW]*1799 + 4081085)>>11; //1469
2584             }
2585         }else{
2586             for (i=0; i<dstWidth; i++){
2587                 dst[i     ]= (FFMIN(dst[i     ],30775)*4663 - 9289992)>>12; //-264
2588                 dst[i+VOFW]= (FFMIN(dst[i+VOFW],30775)*4663 - 9289992)>>12; //-264
2589             }
2590         }
2591     }
2592 }
2593
2594 static int RENAME(swScale)(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
2595                            int srcSliceH, uint8_t* dst[], int dstStride[]){
2596
2597     /* load a few things into local vars to make the code more readable? and faster */
2598     const int srcW= c->srcW;
2599     const int dstW= c->dstW;
2600     const int dstH= c->dstH;
2601     const int chrDstW= c->chrDstW;
2602     const int chrSrcW= c->chrSrcW;
2603     const int lumXInc= c->lumXInc;
2604     const int chrXInc= c->chrXInc;
2605     const int dstFormat= c->dstFormat;
2606     const int srcFormat= c->srcFormat;
2607     const int flags= c->flags;
2608     int16_t *vLumFilterPos= c->vLumFilterPos;
2609     int16_t *vChrFilterPos= c->vChrFilterPos;
2610     int16_t *hLumFilterPos= c->hLumFilterPos;
2611     int16_t *hChrFilterPos= c->hChrFilterPos;
2612     int16_t *vLumFilter= c->vLumFilter;
2613     int16_t *vChrFilter= c->vChrFilter;
2614     int16_t *hLumFilter= c->hLumFilter;
2615     int16_t *hChrFilter= c->hChrFilter;
2616     int32_t *lumMmxFilter= c->lumMmxFilter;
2617     int32_t *chrMmxFilter= c->chrMmxFilter;
2618     int32_t *alpMmxFilter= c->alpMmxFilter;
2619     const int vLumFilterSize= c->vLumFilterSize;
2620     const int vChrFilterSize= c->vChrFilterSize;
2621     const int hLumFilterSize= c->hLumFilterSize;
2622     const int hChrFilterSize= c->hChrFilterSize;
2623     int16_t **lumPixBuf= c->lumPixBuf;
2624     int16_t **chrPixBuf= c->chrPixBuf;
2625     int16_t **alpPixBuf= c->alpPixBuf;
2626     const int vLumBufSize= c->vLumBufSize;
2627     const int vChrBufSize= c->vChrBufSize;
2628     uint8_t *formatConvBuffer= c->formatConvBuffer;
2629     const int chrSrcSliceY= srcSliceY >> c->chrSrcVSubSample;
2630     const int chrSrcSliceH= -((-srcSliceH) >> c->chrSrcVSubSample);
2631     int lastDstY;
2632     uint32_t *pal=c->pal_yuv;
2633
2634     /* vars which will change and which we need to store back in the context */
2635     int dstY= c->dstY;
2636     int lumBufIndex= c->lumBufIndex;
2637     int chrBufIndex= c->chrBufIndex;
2638     int lastInLumBuf= c->lastInLumBuf;
2639     int lastInChrBuf= c->lastInChrBuf;
2640
2641     if (isPacked(c->srcFormat)){
2642         src[0]=
2643         src[1]=
2644         src[2]=
2645         src[3]= src[0];
2646         srcStride[0]=
2647         srcStride[1]=
2648         srcStride[2]=
2649         srcStride[3]= srcStride[0];
2650     }
2651     srcStride[1]<<= c->vChrDrop;
2652     srcStride[2]<<= c->vChrDrop;
2653
2654     //printf("swscale %X %X %X -> %X %X %X\n", (int)src[0], (int)src[1], (int)src[2],
2655     //       (int)dst[0], (int)dst[1], (int)dst[2]);
2656
2657 #if 0 //self test FIXME move to a vfilter or something
2658     {
2659     static volatile int i=0;
2660     i++;
2661     if (srcFormat==PIX_FMT_YUV420P && i==1 && srcSliceH>= c->srcH)
2662         selfTest(src, srcStride, c->srcW, c->srcH);
2663     i--;
2664     }
2665 #endif
2666
2667     //printf("sws Strides:%d %d %d -> %d %d %d\n", srcStride[0],srcStride[1],srcStride[2],
2668     //dstStride[0],dstStride[1],dstStride[2]);
2669
2670     if (dstStride[0]%8 !=0 || dstStride[1]%8 !=0 || dstStride[2]%8 !=0 || dstStride[3]%8 != 0)
2671     {
2672         static int warnedAlready=0; //FIXME move this into the context perhaps
2673         if (flags & SWS_PRINT_INFO && !warnedAlready)
2674         {
2675             av_log(c, AV_LOG_WARNING, "Warning: dstStride is not aligned!\n"
2676                    "         ->cannot do aligned memory accesses anymore\n");
2677             warnedAlready=1;
2678         }
2679     }
2680
2681     /* Note the user might start scaling the picture in the middle so this
2682        will not get executed. This is not really intended but works
2683        currently, so people might do it. */
2684     if (srcSliceY ==0){
2685         lumBufIndex=0;
2686         chrBufIndex=0;
2687         dstY=0;
2688         lastInLumBuf= -1;
2689         lastInChrBuf= -1;
2690     }
2691
2692     lastDstY= dstY;
2693
2694     for (;dstY < dstH; dstY++){
2695         unsigned char *dest =dst[0]+dstStride[0]*dstY;
2696         const int chrDstY= dstY>>c->chrDstVSubSample;
2697         unsigned char *uDest=dst[1]+dstStride[1]*chrDstY;
2698         unsigned char *vDest=dst[2]+dstStride[2]*chrDstY;
2699         unsigned char *aDest=(CONFIG_SWSCALE_ALPHA && alpPixBuf) ? dst[3]+dstStride[3]*dstY : NULL;
2700
2701         const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input
2702         const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input
2703         int lastLumSrcY= firstLumSrcY + vLumFilterSize -1; // Last line needed as input
2704         int lastChrSrcY= firstChrSrcY + vChrFilterSize -1; // Last line needed as input
2705         int enough_lines;
2706
2707         //printf("dstY:%d dstH:%d firstLumSrcY:%d lastInLumBuf:%d vLumBufSize: %d vChrBufSize: %d slice: %d %d vLumFilterSize: %d firstChrSrcY: %d vChrFilterSize: %d c->chrSrcVSubSample: %d\n",
2708         // dstY, dstH, firstLumSrcY, lastInLumBuf, vLumBufSize, vChrBufSize, srcSliceY, srcSliceH, vLumFilterSize, firstChrSrcY, vChrFilterSize,  c->chrSrcVSubSample);
2709         //handle holes (FAST_BILINEAR & weird filters)
2710         if (firstLumSrcY > lastInLumBuf) lastInLumBuf= firstLumSrcY-1;
2711         if (firstChrSrcY > lastInChrBuf) lastInChrBuf= firstChrSrcY-1;
2712         //printf("%d %d %d\n", firstChrSrcY, lastInChrBuf, vChrBufSize);
2713         assert(firstLumSrcY >= lastInLumBuf - vLumBufSize + 1);
2714         assert(firstChrSrcY >= lastInChrBuf - vChrBufSize + 1);
2715
2716         // Do we have enough lines in this slice to output the dstY line
2717         enough_lines = lastLumSrcY < srcSliceY + srcSliceH && lastChrSrcY < -((-srcSliceY - srcSliceH)>>c->chrSrcVSubSample);
2718         if (!enough_lines) {
2719             lastLumSrcY = srcSliceY + srcSliceH - 1;
2720             lastChrSrcY = chrSrcSliceY + chrSrcSliceH - 1;
2721         }
2722
2723             /* printf("%d %d Last:%d %d LastInBuf:%d %d Index:%d %d Y:%d FSize: %d %d BSize: %d %d\n",
2724             firstChrSrcY,firstLumSrcY,lastChrSrcY,lastLumSrcY,
2725             lastInChrBuf,lastInLumBuf,chrBufIndex,lumBufIndex,dstY,vChrFilterSize,vLumFilterSize,
2726             vChrBufSize, vLumBufSize);*/
2727
2728             //Do horizontal scaling
2729             while(lastInLumBuf < lastLumSrcY)
2730             {
2731                 uint8_t *src1= src[0]+(lastInLumBuf + 1 - srcSliceY)*srcStride[0];
2732                 uint8_t *src2= src[3]+(lastInLumBuf + 1 - srcSliceY)*srcStride[3];
2733                 lumBufIndex++;
2734                 //printf("%d %d %d %d\n", lumBufIndex, vLumBufSize, lastInLumBuf,  lastLumSrcY);
2735                 assert(lumBufIndex < 2*vLumBufSize);
2736                 assert(lastInLumBuf + 1 - srcSliceY < srcSliceH);
2737                 assert(lastInLumBuf + 1 - srcSliceY >= 0);
2738                 //printf("%d %d\n", lumBufIndex, vLumBufSize);
2739                 RENAME(hyscale)(c, lumPixBuf[ lumBufIndex ], dstW, src1, srcW, lumXInc,
2740                                 flags, hLumFilter, hLumFilterPos, hLumFilterSize,
2741                                 c->srcFormat, formatConvBuffer,
2742                                 pal, 0);
2743                 if (CONFIG_SWSCALE_ALPHA && alpPixBuf)
2744                     RENAME(hyscale)(c, alpPixBuf[ lumBufIndex ], dstW, src2, srcW, lumXInc,
2745                                     flags, hLumFilter, hLumFilterPos, hLumFilterSize,
2746                                     c->srcFormat, formatConvBuffer,
2747                                     pal, 1);
2748                 lastInLumBuf++;
2749             }
2750             while(lastInChrBuf < lastChrSrcY)
2751             {
2752                 uint8_t *src1= src[1]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[1];
2753                 uint8_t *src2= src[2]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[2];
2754                 chrBufIndex++;
2755                 assert(chrBufIndex < 2*vChrBufSize);
2756                 assert(lastInChrBuf + 1 - chrSrcSliceY < (chrSrcSliceH));
2757                 assert(lastInChrBuf + 1 - chrSrcSliceY >= 0);
2758                 //FIXME replace parameters through context struct (some at least)
2759
2760                 if (!(isGray(srcFormat) || isGray(dstFormat)))
2761                     RENAME(hcscale)(c, chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, chrSrcW, chrXInc,
2762                                     flags, hChrFilter, hChrFilterPos, hChrFilterSize,
2763                                     c->srcFormat, formatConvBuffer,
2764                                     pal);
2765                 lastInChrBuf++;
2766             }
2767             //wrap buf index around to stay inside the ring buffer
2768             if (lumBufIndex >= vLumBufSize) lumBufIndex-= vLumBufSize;
2769             if (chrBufIndex >= vChrBufSize) chrBufIndex-= vChrBufSize;
2770             if (!enough_lines)
2771             break; //we can't output a dstY line so let's try with the next slice
2772
2773 #if COMPILE_TEMPLATE_MMX
2774         c->blueDither= ff_dither8[dstY&1];
2775         if (c->dstFormat == PIX_FMT_RGB555 || c->dstFormat == PIX_FMT_BGR555)
2776             c->greenDither= ff_dither8[dstY&1];
2777         else
2778             c->greenDither= ff_dither4[dstY&1];
2779         c->redDither= ff_dither8[(dstY+1)&1];
2780 #endif
2781         if (dstY < dstH-2)
2782         {
2783             const int16_t **lumSrcPtr= (const int16_t **) lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
2784             const int16_t **chrSrcPtr= (const int16_t **) chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
2785             const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **) alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL;
2786 #if COMPILE_TEMPLATE_MMX
2787             int i;
2788         if (flags & SWS_ACCURATE_RND){
2789             int s= APCK_SIZE / 8;
2790             for (i=0; i<vLumFilterSize; i+=2){
2791                 *(void**)&lumMmxFilter[s*i              ]= lumSrcPtr[i  ];
2792                 *(void**)&lumMmxFilter[s*i+APCK_PTR2/4  ]= lumSrcPtr[i+(vLumFilterSize>1)];
2793                           lumMmxFilter[s*i+APCK_COEF/4  ]=
2794                           lumMmxFilter[s*i+APCK_COEF/4+1]= vLumFilter[dstY*vLumFilterSize + i    ]
2795                     + (vLumFilterSize>1 ? vLumFilter[dstY*vLumFilterSize + i + 1]<<16 : 0);
2796                 if (CONFIG_SWSCALE_ALPHA && alpPixBuf){
2797                     *(void**)&alpMmxFilter[s*i              ]= alpSrcPtr[i  ];
2798                     *(void**)&alpMmxFilter[s*i+APCK_PTR2/4  ]= alpSrcPtr[i+(vLumFilterSize>1)];
2799                               alpMmxFilter[s*i+APCK_COEF/4  ]=
2800                               alpMmxFilter[s*i+APCK_COEF/4+1]= lumMmxFilter[s*i+APCK_COEF/4  ];
2801                 }
2802             }
2803             for (i=0; i<vChrFilterSize; i+=2){
2804                 *(void**)&chrMmxFilter[s*i              ]= chrSrcPtr[i  ];
2805                 *(void**)&chrMmxFilter[s*i+APCK_PTR2/4  ]= chrSrcPtr[i+(vChrFilterSize>1)];
2806                           chrMmxFilter[s*i+APCK_COEF/4  ]=
2807                           chrMmxFilter[s*i+APCK_COEF/4+1]= vChrFilter[chrDstY*vChrFilterSize + i    ]
2808                     + (vChrFilterSize>1 ? vChrFilter[chrDstY*vChrFilterSize + i + 1]<<16 : 0);
2809             }
2810         }else{
2811             for (i=0; i<vLumFilterSize; i++)
2812             {
2813                 lumMmxFilter[4*i+0]= (int32_t)lumSrcPtr[i];
2814                 lumMmxFilter[4*i+1]= (uint64_t)lumSrcPtr[i] >> 32;
2815                 lumMmxFilter[4*i+2]=
2816                 lumMmxFilter[4*i+3]=
2817                     ((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001;
2818                 if (CONFIG_SWSCALE_ALPHA && alpPixBuf){
2819                     alpMmxFilter[4*i+0]= (int32_t)alpSrcPtr[i];
2820                     alpMmxFilter[4*i+1]= (uint64_t)alpSrcPtr[i] >> 32;
2821                     alpMmxFilter[4*i+2]=
2822                     alpMmxFilter[4*i+3]= lumMmxFilter[4*i+2];
2823                 }
2824             }
2825             for (i=0; i<vChrFilterSize; i++)
2826             {
2827                 chrMmxFilter[4*i+0]= (int32_t)chrSrcPtr[i];
2828                 chrMmxFilter[4*i+1]= (uint64_t)chrSrcPtr[i] >> 32;
2829                 chrMmxFilter[4*i+2]=
2830                 chrMmxFilter[4*i+3]=
2831                     ((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001;
2832             }
2833         }
2834 #endif
2835             if (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21){
2836                 const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
2837                 if (dstY&chrSkipMask) uDest= NULL; //FIXME split functions in lumi / chromi
2838                 c->yuv2nv12X(c,
2839                     vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
2840                     vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
2841                     dest, uDest, dstW, chrDstW, dstFormat);
2842             }
2843             else if (isPlanarYUV(dstFormat) || dstFormat==PIX_FMT_GRAY8) //YV12 like
2844             {
2845                 const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
2846                 if ((dstY&chrSkipMask) || isGray(dstFormat)) uDest=vDest= NULL; //FIXME split functions in lumi / chromi
2847                 if (vLumFilterSize == 1 && vChrFilterSize == 1) // unscaled YV12
2848                 {
2849                     int16_t *lumBuf = lumPixBuf[0];
2850                     int16_t *chrBuf= chrPixBuf[0];
2851                     int16_t *alpBuf= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? alpPixBuf[0] : NULL;
2852                     c->yuv2yuv1(c, lumBuf, chrBuf, alpBuf, dest, uDest, vDest, aDest, dstW, chrDstW);
2853                 }
2854                 else //General YV12
2855                 {
2856                     c->yuv2yuvX(c,
2857                         vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
2858                         vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
2859                         alpSrcPtr, dest, uDest, vDest, aDest, dstW, chrDstW);
2860                 }
2861             }
2862             else
2863             {
2864                 assert(lumSrcPtr + vLumFilterSize - 1 < lumPixBuf + vLumBufSize*2);
2865                 assert(chrSrcPtr + vChrFilterSize - 1 < chrPixBuf + vChrBufSize*2);
2866                 if (vLumFilterSize == 1 && vChrFilterSize == 2) //unscaled RGB
2867                 {
2868                     int chrAlpha= vChrFilter[2*dstY+1];
2869                     if(flags & SWS_FULL_CHR_H_INT){
2870                         yuv2rgbXinC_full(c, //FIXME write a packed1_full function
2871                             vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
2872                             vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
2873                             alpSrcPtr, dest, dstW, dstY);
2874                     }else{
2875                         c->yuv2packed1(c, *lumSrcPtr, *chrSrcPtr, *(chrSrcPtr+1),
2876                             alpPixBuf ? *alpSrcPtr : NULL,
2877                             dest, dstW, chrAlpha, dstFormat, flags, dstY);
2878                     }
2879                 }
2880                 else if (vLumFilterSize == 2 && vChrFilterSize == 2) //bilinear upscale RGB
2881                 {
2882                     int lumAlpha= vLumFilter[2*dstY+1];
2883                     int chrAlpha= vChrFilter[2*dstY+1];
2884                     lumMmxFilter[2]=
2885                     lumMmxFilter[3]= vLumFilter[2*dstY   ]*0x10001;
2886                     chrMmxFilter[2]=
2887                     chrMmxFilter[3]= vChrFilter[2*chrDstY]*0x10001;
2888                     if(flags & SWS_FULL_CHR_H_INT){
2889                         yuv2rgbXinC_full(c, //FIXME write a packed2_full function
2890                             vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
2891                             vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
2892                             alpSrcPtr, dest, dstW, dstY);
2893                     }else{
2894                         c->yuv2packed2(c, *lumSrcPtr, *(lumSrcPtr+1), *chrSrcPtr, *(chrSrcPtr+1),
2895                             alpPixBuf ? *alpSrcPtr : NULL, alpPixBuf ? *(alpSrcPtr+1) : NULL,
2896                             dest, dstW, lumAlpha, chrAlpha, dstY);
2897                     }
2898                 }
2899                 else //general RGB
2900                 {
2901                     if(flags & SWS_FULL_CHR_H_INT){
2902                         yuv2rgbXinC_full(c,
2903                             vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
2904                             vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
2905                             alpSrcPtr, dest, dstW, dstY);
2906                     }else{
2907                         c->yuv2packedX(c,
2908                             vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
2909                             vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
2910                             alpSrcPtr, dest, dstW, dstY);
2911                     }
2912                 }
2913             }
2914         }
2915         else // hmm looks like we can't use MMX here without overwriting this array's tail
2916         {
2917             const int16_t **lumSrcPtr= (const int16_t **)lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
2918             const int16_t **chrSrcPtr= (const int16_t **)chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
2919             const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **)alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL;
2920             if (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21){
2921                 const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
2922                 if (dstY&chrSkipMask) uDest= NULL; //FIXME split functions in lumi / chromi
2923                 yuv2nv12XinC(
2924                     vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
2925                     vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
2926                     dest, uDest, dstW, chrDstW, dstFormat);
2927             }
2928             else if (isPlanarYUV(dstFormat) || dstFormat==PIX_FMT_GRAY8) //YV12
2929             {
2930                 const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
2931                 if ((dstY&chrSkipMask) || isGray(dstFormat)) uDest=vDest= NULL; //FIXME split functions in lumi / chromi
2932                 yuv2yuvXinC(
2933                     vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
2934                     vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
2935                     alpSrcPtr, dest, uDest, vDest, aDest, dstW, chrDstW);
2936             }
2937             else
2938             {
2939                 assert(lumSrcPtr + vLumFilterSize - 1 < lumPixBuf + vLumBufSize*2);
2940                 assert(chrSrcPtr + vChrFilterSize - 1 < chrPixBuf + vChrBufSize*2);
2941                 if(flags & SWS_FULL_CHR_H_INT){
2942                     yuv2rgbXinC_full(c,
2943                         vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
2944                         vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
2945                         alpSrcPtr, dest, dstW, dstY);
2946                 }else{
2947                     yuv2packedXinC(c,
2948                         vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
2949                         vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
2950                         alpSrcPtr, dest, dstW, dstY);
2951                 }
2952             }
2953         }
2954     }
2955
2956     if ((dstFormat == PIX_FMT_YUVA420P) && !alpPixBuf)
2957         fillPlane(dst[3], dstStride[3], dstW, dstY-lastDstY, lastDstY, 255);
2958
2959 #if COMPILE_TEMPLATE_MMX
2960     if (flags & SWS_CPU_CAPS_MMX2 )  __asm__ volatile("sfence":::"memory");
2961     /* On K6 femms is faster than emms. On K7 femms is directly mapped to emms. */
2962     if (flags & SWS_CPU_CAPS_3DNOW)  __asm__ volatile("femms" :::"memory");
2963     else                             __asm__ volatile("emms"  :::"memory");
2964 #endif
2965     /* store changed local vars back in the context */
2966     c->dstY= dstY;
2967     c->lumBufIndex= lumBufIndex;
2968     c->chrBufIndex= chrBufIndex;
2969     c->lastInLumBuf= lastInLumBuf;
2970     c->lastInChrBuf= lastInChrBuf;
2971
2972     return dstY - lastDstY;
2973 }
2974
2975 static void RENAME(sws_init_swScale)(SwsContext *c)
2976 {
2977     enum PixelFormat srcFormat = c->srcFormat;
2978
2979     c->yuv2nv12X    = RENAME(yuv2nv12X   );
2980     c->yuv2yuv1     = RENAME(yuv2yuv1    );
2981     c->yuv2yuvX     = RENAME(yuv2yuvX    );
2982     c->yuv2packed1  = RENAME(yuv2packed1 );
2983     c->yuv2packed2  = RENAME(yuv2packed2 );
2984     c->yuv2packedX  = RENAME(yuv2packedX );
2985
2986     c->hScale       = RENAME(hScale      );
2987
2988     c->hyscale_fast = RENAME(hyscale_fast);
2989     c->hcscale_fast = RENAME(hcscale_fast);
2990
2991     c->hcscale_internal = NULL;
2992     switch(srcFormat) {
2993         case PIX_FMT_YUYV422  : c->hcscale_internal = RENAME(yuy2ToUV); break;
2994         case PIX_FMT_UYVY422  : c->hcscale_internal = RENAME(uyvyToUV); break;
2995         case PIX_FMT_RGB8     :
2996         case PIX_FMT_BGR8     :
2997         case PIX_FMT_PAL8     :
2998         case PIX_FMT_BGR4_BYTE:
2999         case PIX_FMT_RGB4_BYTE: c->hcscale_internal = palToUV; break;
3000         case PIX_FMT_YUV420PBE:
3001         case PIX_FMT_YUV422PBE:
3002         case PIX_FMT_YUV444PBE: c->hcscale_internal = RENAME(BEToUV); break;
3003         case PIX_FMT_YUV420PLE:
3004         case PIX_FMT_YUV422PLE:
3005         case PIX_FMT_YUV444PLE: c->hcscale_internal = RENAME(LEToUV); break;
3006     }
3007     if (c->chrSrcHSubSample) {
3008         switch(srcFormat) {
3009         case PIX_FMT_RGB48BE:
3010         case PIX_FMT_RGB48LE: c->hcscale_internal = rgb48ToUV_half; break;
3011         case PIX_FMT_RGB32  :
3012         case PIX_FMT_RGB32_1: c->hcscale_internal = bgr32ToUV_half; break;
3013         case PIX_FMT_BGR24  : c->hcscale_internal = RENAME(bgr24ToUV_half); break;
3014         case PIX_FMT_BGR565 : c->hcscale_internal = bgr16ToUV_half; break;
3015         case PIX_FMT_BGR555 : c->hcscale_internal = bgr15ToUV_half; break;
3016         case PIX_FMT_BGR32  :
3017         case PIX_FMT_BGR32_1: c->hcscale_internal = rgb32ToUV_half; break;
3018         case PIX_FMT_RGB24  : c->hcscale_internal = RENAME(rgb24ToUV_half); break;
3019         case PIX_FMT_RGB565 : c->hcscale_internal = rgb16ToUV_half; break;
3020         case PIX_FMT_RGB555 : c->hcscale_internal = rgb15ToUV_half; break;
3021         }
3022     } else {
3023         switch(srcFormat) {
3024         case PIX_FMT_RGB48BE:
3025         case PIX_FMT_RGB48LE: c->hcscale_internal = rgb48ToUV; break;
3026         case PIX_FMT_RGB32  :
3027         case PIX_FMT_RGB32_1: c->hcscale_internal = bgr32ToUV; break;
3028         case PIX_FMT_BGR24  : c->hcscale_internal = RENAME(bgr24ToUV); break;
3029         case PIX_FMT_BGR565 : c->hcscale_internal = bgr16ToUV; break;
3030         case PIX_FMT_BGR555 : c->hcscale_internal = bgr15ToUV; break;
3031         case PIX_FMT_BGR32  :
3032         case PIX_FMT_BGR32_1: c->hcscale_internal = rgb32ToUV; break;
3033         case PIX_FMT_RGB24  : c->hcscale_internal = RENAME(rgb24ToUV); break;
3034         case PIX_FMT_RGB565 : c->hcscale_internal = rgb16ToUV; break;
3035         case PIX_FMT_RGB555 : c->hcscale_internal = rgb15ToUV; break;
3036         }
3037     }
3038
3039     c->hyscale_internal = NULL;
3040     c->hascale_internal = NULL;
3041     switch (srcFormat) {
3042     case PIX_FMT_YUYV422  :
3043     case PIX_FMT_YUV420PBE:
3044     case PIX_FMT_YUV422PBE:
3045     case PIX_FMT_YUV444PBE:
3046     case PIX_FMT_GRAY16BE : c->hyscale_internal = RENAME(yuy2ToY); break;
3047     case PIX_FMT_UYVY422  :
3048     case PIX_FMT_YUV420PLE:
3049     case PIX_FMT_YUV422PLE:
3050     case PIX_FMT_YUV444PLE:
3051     case PIX_FMT_GRAY16LE : c->hyscale_internal = RENAME(uyvyToY); break;
3052     case PIX_FMT_BGR24    : c->hyscale_internal = RENAME(bgr24ToY); break;
3053     case PIX_FMT_BGR565   : c->hyscale_internal = bgr16ToY; break;
3054     case PIX_FMT_BGR555   : c->hyscale_internal = bgr15ToY; break;
3055     case PIX_FMT_RGB24    : c->hyscale_internal = RENAME(rgb24ToY); break;
3056     case PIX_FMT_RGB565   : c->hyscale_internal = rgb16ToY; break;
3057     case PIX_FMT_RGB555   : c->hyscale_internal = rgb15ToY; break;
3058     case PIX_FMT_RGB8     :
3059     case PIX_FMT_BGR8     :
3060     case PIX_FMT_PAL8     :
3061     case PIX_FMT_BGR4_BYTE:
3062     case PIX_FMT_RGB4_BYTE: c->hyscale_internal = palToY; break;
3063     case PIX_FMT_MONOBLACK: c->hyscale_internal = monoblack2Y; break;
3064     case PIX_FMT_MONOWHITE: c->hyscale_internal = monowhite2Y; break;
3065     case PIX_FMT_RGB32  :
3066     case PIX_FMT_RGB32_1: c->hyscale_internal = bgr32ToY; break;
3067     case PIX_FMT_BGR32  :
3068     case PIX_FMT_BGR32_1: c->hyscale_internal = rgb32ToY; break;
3069     case PIX_FMT_RGB48BE:
3070     case PIX_FMT_RGB48LE: c->hyscale_internal = rgb48ToY; break;
3071     }
3072     if (c->alpPixBuf) {
3073         switch (srcFormat) {
3074         case PIX_FMT_RGB32  :
3075         case PIX_FMT_RGB32_1:
3076         case PIX_FMT_BGR32  :
3077         case PIX_FMT_BGR32_1: c->hascale_internal = abgrToA; break;
3078         }
3079     }
3080 }