Move colorspace conversion functions implemented in pure C from template
[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 HAVE_AMD3DNOW
31 #define PREFETCH  "prefetch"
32 #define PREFETCHW "prefetchw"
33 #elif HAVE_MMX2
34 #define PREFETCH "prefetchnta"
35 #define PREFETCHW "prefetcht0"
36 #else
37 #define PREFETCH  " # nop"
38 #define PREFETCHW " # nop"
39 #endif
40
41 #if HAVE_MMX2
42 #define PAVGB(a,b) "pavgb " #a ", " #b " \n\t"
43 #elif HAVE_AMD3DNOW
44 #define PAVGB(a,b) "pavgusb " #a ", " #b " \n\t"
45 #endif
46
47 #if HAVE_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 HAVE_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 HAVE_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 HAVE_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 HAVE_ALTIVEC
935 yuv2yuvX_altivec_real(lumFilter, lumSrc, lumFilterSize,
936                       chrFilter, chrSrc, chrFilterSize,
937                       dest, uDest, vDest, dstW, chrDstW);
938 #else //HAVE_ALTIVEC
939 yuv2yuvXinC(lumFilter, lumSrc, lumFilterSize,
940             chrFilter, chrSrc, chrFilterSize,
941             alpSrc, dest, uDest, vDest, aDest, dstW, chrDstW);
942 #endif //!HAVE_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 HAVE_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 HAVE_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 /* HAVE_MMX */
1197 #if HAVE_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 HAVE_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 //HAVE_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 HAVE_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 /* HAVE_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 HAVE_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 HAVE_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 HAVE_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 HAVE_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 HAVE_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 HAVE_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 HAVE_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 HAVE_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 /* HAVE_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 HAVE_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 /* HAVE_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 HAVE_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 HAVE_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 HAVE_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 HAVE_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 /* HAVE_ALTIVEC */
2199 #endif /* HAVE_MMX */
2200 }
2201
2202 static inline void RENAME(hyscale_fast)(SwsContext *c, int16_t *dst,
2203                                         int dstWidth, const uint8_t *src, int srcW,
2204                                         int xInc)
2205 {
2206     int i;
2207     unsigned int xpos=0;
2208     for (i=0;i<dstWidth;i++)
2209     {
2210         register unsigned int xx=xpos>>16;
2211         register unsigned int xalpha=(xpos&0xFFFF)>>9;
2212         dst[i]= (src[xx]<<7) + (src[xx+1] - src[xx])*xalpha;
2213         xpos+=xInc;
2214     }
2215 }
2216
2217       // *** horizontal scale Y line to temp buffer
2218 static inline void RENAME(hyscale)(SwsContext *c, uint16_t *dst, long dstWidth, const uint8_t *src, int srcW, int xInc,
2219                                    int flags, const int16_t *hLumFilter,
2220                                    const int16_t *hLumFilterPos, int hLumFilterSize,
2221                                    int srcFormat, uint8_t *formatConvBuffer,
2222                                    uint32_t *pal, int isAlpha)
2223 {
2224     int32_t *mmx2FilterPos = c->lumMmx2FilterPos;
2225     int16_t *mmx2Filter = c->lumMmx2Filter;
2226     int canMMX2BeUsed = c->canMMX2BeUsed;
2227     void *funnyYCode = c->funnyYCode;
2228     void (*internal_func)(uint8_t *, const uint8_t *, long, uint32_t *) = isAlpha ? c->hascale_internal : c->hyscale_internal;
2229
2230     if (isAlpha) {
2231         if (srcFormat == PIX_FMT_RGB32   || srcFormat == PIX_FMT_BGR32  )
2232             src += 3;
2233     } else {
2234         if (srcFormat == PIX_FMT_RGB32_1 || srcFormat == PIX_FMT_BGR32_1)
2235             src += ALT32_CORR;
2236     }
2237
2238     if (internal_func) {
2239         internal_func(formatConvBuffer, src, srcW, pal);
2240         src= formatConvBuffer;
2241     }
2242
2243 #if HAVE_MMX
2244     // Use the new MMX scaler if the MMX2 one can't be used (it is faster than the x86 ASM one).
2245     if (!(flags&SWS_FAST_BILINEAR) || (!canMMX2BeUsed))
2246 #else
2247     if (!(flags&SWS_FAST_BILINEAR))
2248 #endif
2249     {
2250         c->hScale(dst, dstWidth, src, srcW, xInc, hLumFilter, hLumFilterPos, hLumFilterSize);
2251     }
2252     else // fast bilinear upscale / crap downscale
2253     {
2254 #if ARCH_X86 && CONFIG_GPL
2255 #if HAVE_MMX2
2256         int i;
2257 #if defined(PIC)
2258         uint64_t ebxsave __attribute__((aligned(8)));
2259 #endif
2260         if (canMMX2BeUsed)
2261         {
2262             __asm__ volatile(
2263 #if defined(PIC)
2264             "mov               %%"REG_b", %5        \n\t"
2265 #endif
2266             "pxor                  %%mm7, %%mm7     \n\t"
2267             "mov                      %0, %%"REG_c" \n\t"
2268             "mov                      %1, %%"REG_D" \n\t"
2269             "mov                      %2, %%"REG_d" \n\t"
2270             "mov                      %3, %%"REG_b" \n\t"
2271             "xor               %%"REG_a", %%"REG_a" \n\t" // i
2272             PREFETCH"        (%%"REG_c")            \n\t"
2273             PREFETCH"      32(%%"REG_c")            \n\t"
2274             PREFETCH"      64(%%"REG_c")            \n\t"
2275
2276 #if ARCH_X86_64
2277
2278 #define FUNNY_Y_CODE \
2279             "movl            (%%"REG_b"), %%esi     \n\t"\
2280             "call                    *%4            \n\t"\
2281             "movl (%%"REG_b", %%"REG_a"), %%esi     \n\t"\
2282             "add               %%"REG_S", %%"REG_c" \n\t"\
2283             "add               %%"REG_a", %%"REG_D" \n\t"\
2284             "xor               %%"REG_a", %%"REG_a" \n\t"\
2285
2286 #else
2287
2288 #define FUNNY_Y_CODE \
2289             "movl (%%"REG_b"), %%esi        \n\t"\
2290             "call         *%4                       \n\t"\
2291             "addl (%%"REG_b", %%"REG_a"), %%"REG_c" \n\t"\
2292             "add               %%"REG_a", %%"REG_D" \n\t"\
2293             "xor               %%"REG_a", %%"REG_a" \n\t"\
2294
2295 #endif /* ARCH_X86_64 */
2296
2297 FUNNY_Y_CODE
2298 FUNNY_Y_CODE
2299 FUNNY_Y_CODE
2300 FUNNY_Y_CODE
2301 FUNNY_Y_CODE
2302 FUNNY_Y_CODE
2303 FUNNY_Y_CODE
2304 FUNNY_Y_CODE
2305
2306 #if defined(PIC)
2307             "mov                      %5, %%"REG_b" \n\t"
2308 #endif
2309             :: "m" (src), "m" (dst), "m" (mmx2Filter), "m" (mmx2FilterPos),
2310             "m" (funnyYCode)
2311 #if defined(PIC)
2312             ,"m" (ebxsave)
2313 #endif
2314             : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D
2315 #if !defined(PIC)
2316             ,"%"REG_b
2317 #endif
2318             );
2319             for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--) dst[i] = src[srcW-1]*128;
2320         }
2321         else
2322         {
2323 #endif /* HAVE_MMX2 */
2324         x86_reg xInc_shr16 = xInc >> 16;
2325         uint16_t xInc_mask = xInc & 0xffff;
2326         //NO MMX just normal asm ...
2327         __asm__ volatile(
2328         "xor %%"REG_a", %%"REG_a"            \n\t" // i
2329         "xor %%"REG_d", %%"REG_d"            \n\t" // xx
2330         "xorl    %%ecx, %%ecx                \n\t" // 2*xalpha
2331         ASMALIGN(4)
2332         "1:                                  \n\t"
2333         "movzbl    (%0, %%"REG_d"), %%edi    \n\t" //src[xx]
2334         "movzbl   1(%0, %%"REG_d"), %%esi    \n\t" //src[xx+1]
2335         "subl    %%edi, %%esi                \n\t" //src[xx+1] - src[xx]
2336         "imull   %%ecx, %%esi                \n\t" //(src[xx+1] - src[xx])*2*xalpha
2337         "shll      $16, %%edi                \n\t"
2338         "addl    %%edi, %%esi                \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
2339         "mov        %1, %%"REG_D"            \n\t"
2340         "shrl       $9, %%esi                \n\t"
2341         "movw     %%si, (%%"REG_D", %%"REG_a", 2)   \n\t"
2342         "addw       %4, %%cx                 \n\t" //2*xalpha += xInc&0xFF
2343         "adc        %3, %%"REG_d"            \n\t" //xx+= xInc>>8 + carry
2344
2345         "movzbl    (%0, %%"REG_d"), %%edi    \n\t" //src[xx]
2346         "movzbl   1(%0, %%"REG_d"), %%esi    \n\t" //src[xx+1]
2347         "subl    %%edi, %%esi                \n\t" //src[xx+1] - src[xx]
2348         "imull   %%ecx, %%esi                \n\t" //(src[xx+1] - src[xx])*2*xalpha
2349         "shll      $16, %%edi                \n\t"
2350         "addl    %%edi, %%esi                \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
2351         "mov        %1, %%"REG_D"            \n\t"
2352         "shrl       $9, %%esi                \n\t"
2353         "movw     %%si, 2(%%"REG_D", %%"REG_a", 2)  \n\t"
2354         "addw       %4, %%cx                 \n\t" //2*xalpha += xInc&0xFF
2355         "adc        %3, %%"REG_d"            \n\t" //xx+= xInc>>8 + carry
2356
2357
2358         "add        $2, %%"REG_a"            \n\t"
2359         "cmp        %2, %%"REG_a"            \n\t"
2360         " jb        1b                       \n\t"
2361
2362
2363         :: "r" (src), "m" (dst), "m" (dstWidth), "m" (xInc_shr16), "m" (xInc_mask)
2364         : "%"REG_a, "%"REG_d, "%ecx", "%"REG_D, "%esi"
2365         );
2366 #if HAVE_MMX2
2367         } //if MMX2 can't be used
2368 #endif
2369 #else
2370         c->hyscale_fast(c, dst, dstWidth, src, srcW, xInc);
2371 #endif /* ARCH_X86 */
2372     }
2373
2374     if(!isAlpha && c->srcRange != c->dstRange && !(isRGB(c->dstFormat) || isBGR(c->dstFormat))){
2375         int i;
2376         //FIXME all pal and rgb srcFormats could do this convertion as well
2377         //FIXME all scalers more complex than bilinear could do half of this transform
2378         if(c->srcRange){
2379             for (i=0; i<dstWidth; i++)
2380                 dst[i]= (dst[i]*14071 + 33561947)>>14;
2381         }else{
2382             for (i=0; i<dstWidth; i++)
2383                 dst[i]= (FFMIN(dst[i],30189)*19077 - 39057361)>>14;
2384         }
2385     }
2386 }
2387
2388 static inline void RENAME(hcscale_fast)(SwsContext *c, int16_t *dst,
2389                                         int dstWidth, const uint8_t *src1,
2390                                         const uint8_t *src2, int srcW, int xInc)
2391 {
2392     int i;
2393     unsigned int xpos=0;
2394     for (i=0;i<dstWidth;i++)
2395     {
2396         register unsigned int xx=xpos>>16;
2397         register unsigned int xalpha=(xpos&0xFFFF)>>9;
2398         dst[i]=(src1[xx]*(xalpha^127)+src1[xx+1]*xalpha);
2399         dst[i+VOFW]=(src2[xx]*(xalpha^127)+src2[xx+1]*xalpha);
2400         /* slower
2401         dst[i]= (src1[xx]<<7) + (src1[xx+1] - src1[xx])*xalpha;
2402         dst[i+VOFW]=(src2[xx]<<7) + (src2[xx+1] - src2[xx])*xalpha;
2403         */
2404         xpos+=xInc;
2405     }
2406 }
2407
2408 inline static void RENAME(hcscale)(SwsContext *c, uint16_t *dst, long dstWidth, const uint8_t *src1, const uint8_t *src2,
2409                                    int srcW, int xInc, int flags, const int16_t *hChrFilter,
2410                                    const int16_t *hChrFilterPos, int hChrFilterSize,
2411                                    int srcFormat, uint8_t *formatConvBuffer,
2412                                    uint32_t *pal)
2413 {
2414     int32_t *mmx2FilterPos = c->chrMmx2FilterPos;
2415     int16_t *mmx2Filter = c->chrMmx2Filter;
2416     int canMMX2BeUsed = c->canMMX2BeUsed;
2417     void *funnyUVCode = c->funnyUVCode;
2418
2419     if (isGray(srcFormat) || srcFormat==PIX_FMT_MONOBLACK || srcFormat==PIX_FMT_MONOWHITE)
2420         return;
2421
2422     if (srcFormat==PIX_FMT_RGB32_1 || srcFormat==PIX_FMT_BGR32_1) {
2423         src1 += ALT32_CORR;
2424         src2 += ALT32_CORR;
2425     }
2426
2427     if (c->hcscale_internal) {
2428         c->hcscale_internal(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, pal);
2429         src1= formatConvBuffer;
2430         src2= formatConvBuffer+VOFW;
2431     }
2432
2433 #if HAVE_MMX
2434     // Use the new MMX scaler if the MMX2 one can't be used (it is faster than the x86 ASM one).
2435     if (!(flags&SWS_FAST_BILINEAR) || (!canMMX2BeUsed))
2436 #else
2437     if (!(flags&SWS_FAST_BILINEAR))
2438 #endif
2439     {
2440         c->hScale(dst     , dstWidth, src1, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize);
2441         c->hScale(dst+VOFW, dstWidth, src2, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize);
2442     }
2443     else // fast bilinear upscale / crap downscale
2444     {
2445 #if ARCH_X86 && CONFIG_GPL
2446 #if HAVE_MMX2
2447         int i;
2448 #if defined(PIC)
2449         uint64_t ebxsave __attribute__((aligned(8)));
2450 #endif
2451         if (canMMX2BeUsed)
2452         {
2453             __asm__ volatile(
2454 #if defined(PIC)
2455             "mov          %%"REG_b", %6         \n\t"
2456 #endif
2457             "pxor             %%mm7, %%mm7      \n\t"
2458             "mov                 %0, %%"REG_c"  \n\t"
2459             "mov                 %1, %%"REG_D"  \n\t"
2460             "mov                 %2, %%"REG_d"  \n\t"
2461             "mov                 %3, %%"REG_b"  \n\t"
2462             "xor          %%"REG_a", %%"REG_a"  \n\t" // i
2463             PREFETCH"   (%%"REG_c")             \n\t"
2464             PREFETCH" 32(%%"REG_c")             \n\t"
2465             PREFETCH" 64(%%"REG_c")             \n\t"
2466
2467 #if ARCH_X86_64
2468
2469 #define FUNNY_UV_CODE \
2470             "movl       (%%"REG_b"), %%esi      \n\t"\
2471             "call               *%4             \n\t"\
2472             "movl (%%"REG_b", %%"REG_a"), %%esi \n\t"\
2473             "add          %%"REG_S", %%"REG_c"  \n\t"\
2474             "add          %%"REG_a", %%"REG_D"  \n\t"\
2475             "xor          %%"REG_a", %%"REG_a"  \n\t"\
2476
2477 #else
2478
2479 #define FUNNY_UV_CODE \
2480             "movl       (%%"REG_b"), %%esi      \n\t"\
2481             "call               *%4             \n\t"\
2482             "addl (%%"REG_b", %%"REG_a"), %%"REG_c" \n\t"\
2483             "add          %%"REG_a", %%"REG_D"  \n\t"\
2484             "xor          %%"REG_a", %%"REG_a"  \n\t"\
2485
2486 #endif /* ARCH_X86_64 */
2487
2488 FUNNY_UV_CODE
2489 FUNNY_UV_CODE
2490 FUNNY_UV_CODE
2491 FUNNY_UV_CODE
2492             "xor          %%"REG_a", %%"REG_a"  \n\t" // i
2493             "mov                 %5, %%"REG_c"  \n\t" // src
2494             "mov                 %1, %%"REG_D"  \n\t" // buf1
2495             "add              $"AV_STRINGIFY(VOF)", %%"REG_D"  \n\t"
2496             PREFETCH"   (%%"REG_c")             \n\t"
2497             PREFETCH" 32(%%"REG_c")             \n\t"
2498             PREFETCH" 64(%%"REG_c")             \n\t"
2499
2500 FUNNY_UV_CODE
2501 FUNNY_UV_CODE
2502 FUNNY_UV_CODE
2503 FUNNY_UV_CODE
2504
2505 #if defined(PIC)
2506             "mov %6, %%"REG_b"    \n\t"
2507 #endif
2508             :: "m" (src1), "m" (dst), "m" (mmx2Filter), "m" (mmx2FilterPos),
2509             "m" (funnyUVCode), "m" (src2)
2510 #if defined(PIC)
2511             ,"m" (ebxsave)
2512 #endif
2513             : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D
2514 #if !defined(PIC)
2515              ,"%"REG_b
2516 #endif
2517             );
2518             for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--)
2519             {
2520                 //printf("%d %d %d\n", dstWidth, i, srcW);
2521                 dst[i] = src1[srcW-1]*128;
2522                 dst[i+VOFW] = src2[srcW-1]*128;
2523             }
2524         }
2525         else
2526         {
2527 #endif /* HAVE_MMX2 */
2528             x86_reg xInc_shr16 = (x86_reg) (xInc >> 16);
2529             uint16_t xInc_mask = xInc & 0xffff;
2530             __asm__ volatile(
2531             "xor %%"REG_a", %%"REG_a"               \n\t" // i
2532             "xor %%"REG_d", %%"REG_d"               \n\t" // xx
2533             "xorl    %%ecx, %%ecx                   \n\t" // 2*xalpha
2534             ASMALIGN(4)
2535             "1:                                     \n\t"
2536             "mov        %0, %%"REG_S"               \n\t"
2537             "movzbl  (%%"REG_S", %%"REG_d"), %%edi  \n\t" //src[xx]
2538             "movzbl 1(%%"REG_S", %%"REG_d"), %%esi  \n\t" //src[xx+1]
2539             "subl    %%edi, %%esi                   \n\t" //src[xx+1] - src[xx]
2540             "imull   %%ecx, %%esi                   \n\t" //(src[xx+1] - src[xx])*2*xalpha
2541             "shll      $16, %%edi                   \n\t"
2542             "addl    %%edi, %%esi                   \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
2543             "mov        %1, %%"REG_D"               \n\t"
2544             "shrl       $9, %%esi                   \n\t"
2545             "movw     %%si, (%%"REG_D", %%"REG_a", 2)   \n\t"
2546
2547             "movzbl    (%5, %%"REG_d"), %%edi       \n\t" //src[xx]
2548             "movzbl   1(%5, %%"REG_d"), %%esi       \n\t" //src[xx+1]
2549             "subl    %%edi, %%esi                   \n\t" //src[xx+1] - src[xx]
2550             "imull   %%ecx, %%esi                   \n\t" //(src[xx+1] - src[xx])*2*xalpha
2551             "shll      $16, %%edi                   \n\t"
2552             "addl    %%edi, %%esi                   \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
2553             "mov        %1, %%"REG_D"               \n\t"
2554             "shrl       $9, %%esi                   \n\t"
2555             "movw     %%si, "AV_STRINGIFY(VOF)"(%%"REG_D", %%"REG_a", 2)   \n\t"
2556
2557             "addw       %4, %%cx                    \n\t" //2*xalpha += xInc&0xFF
2558             "adc        %3, %%"REG_d"               \n\t" //xx+= xInc>>8 + carry
2559             "add        $1, %%"REG_a"               \n\t"
2560             "cmp        %2, %%"REG_a"               \n\t"
2561             " jb        1b                          \n\t"
2562
2563 /* GCC 3.3 makes MPlayer crash on IA-32 machines when using "g" operand here,
2564    which is needed to support GCC 4.0. */
2565 #if ARCH_X86_64 && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
2566             :: "m" (src1), "m" (dst), "g" (dstWidth), "m" (xInc_shr16), "m" (xInc_mask),
2567 #else
2568             :: "m" (src1), "m" (dst), "m" (dstWidth), "m" (xInc_shr16), "m" (xInc_mask),
2569 #endif
2570             "r" (src2)
2571             : "%"REG_a, "%"REG_d, "%ecx", "%"REG_D, "%esi"
2572             );
2573 #if HAVE_MMX2
2574         } //if MMX2 can't be used
2575 #endif
2576 #else
2577         c->hcscale_fast(c, dst, dstWidth, src1, src2, srcW, xInc);
2578 #endif /* ARCH_X86 */
2579     }
2580     if(c->srcRange != c->dstRange && !(isRGB(c->dstFormat) || isBGR(c->dstFormat))){
2581         int i;
2582         //FIXME all pal and rgb srcFormats could do this convertion as well
2583         //FIXME all scalers more complex than bilinear could do half of this transform
2584         if(c->srcRange){
2585             for (i=0; i<dstWidth; i++){
2586                 dst[i     ]= (dst[i     ]*1799 + 4081085)>>11; //1469
2587                 dst[i+VOFW]= (dst[i+VOFW]*1799 + 4081085)>>11; //1469
2588             }
2589         }else{
2590             for (i=0; i<dstWidth; i++){
2591                 dst[i     ]= (FFMIN(dst[i     ],30775)*4663 - 9289992)>>12; //-264
2592                 dst[i+VOFW]= (FFMIN(dst[i+VOFW],30775)*4663 - 9289992)>>12; //-264
2593             }
2594         }
2595     }
2596 }
2597
2598 static int RENAME(swScale)(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
2599                            int srcSliceH, uint8_t* dst[], int dstStride[]){
2600
2601     /* load a few things into local vars to make the code more readable? and faster */
2602     const int srcW= c->srcW;
2603     const int dstW= c->dstW;
2604     const int dstH= c->dstH;
2605     const int chrDstW= c->chrDstW;
2606     const int chrSrcW= c->chrSrcW;
2607     const int lumXInc= c->lumXInc;
2608     const int chrXInc= c->chrXInc;
2609     const int dstFormat= c->dstFormat;
2610     const int srcFormat= c->srcFormat;
2611     const int flags= c->flags;
2612     int16_t *vLumFilterPos= c->vLumFilterPos;
2613     int16_t *vChrFilterPos= c->vChrFilterPos;
2614     int16_t *hLumFilterPos= c->hLumFilterPos;
2615     int16_t *hChrFilterPos= c->hChrFilterPos;
2616     int16_t *vLumFilter= c->vLumFilter;
2617     int16_t *vChrFilter= c->vChrFilter;
2618     int16_t *hLumFilter= c->hLumFilter;
2619     int16_t *hChrFilter= c->hChrFilter;
2620     int32_t *lumMmxFilter= c->lumMmxFilter;
2621     int32_t *chrMmxFilter= c->chrMmxFilter;
2622     int32_t *alpMmxFilter= c->alpMmxFilter;
2623     const int vLumFilterSize= c->vLumFilterSize;
2624     const int vChrFilterSize= c->vChrFilterSize;
2625     const int hLumFilterSize= c->hLumFilterSize;
2626     const int hChrFilterSize= c->hChrFilterSize;
2627     int16_t **lumPixBuf= c->lumPixBuf;
2628     int16_t **chrPixBuf= c->chrPixBuf;
2629     int16_t **alpPixBuf= c->alpPixBuf;
2630     const int vLumBufSize= c->vLumBufSize;
2631     const int vChrBufSize= c->vChrBufSize;
2632     uint8_t *formatConvBuffer= c->formatConvBuffer;
2633     const int chrSrcSliceY= srcSliceY >> c->chrSrcVSubSample;
2634     const int chrSrcSliceH= -((-srcSliceH) >> c->chrSrcVSubSample);
2635     int lastDstY;
2636     uint32_t *pal=c->pal_yuv;
2637
2638     /* vars which will change and which we need to store back in the context */
2639     int dstY= c->dstY;
2640     int lumBufIndex= c->lumBufIndex;
2641     int chrBufIndex= c->chrBufIndex;
2642     int lastInLumBuf= c->lastInLumBuf;
2643     int lastInChrBuf= c->lastInChrBuf;
2644
2645     if (isPacked(c->srcFormat)){
2646         src[0]=
2647         src[1]=
2648         src[2]=
2649         src[3]= src[0];
2650         srcStride[0]=
2651         srcStride[1]=
2652         srcStride[2]=
2653         srcStride[3]= srcStride[0];
2654     }
2655     srcStride[1]<<= c->vChrDrop;
2656     srcStride[2]<<= c->vChrDrop;
2657
2658     //printf("swscale %X %X %X -> %X %X %X\n", (int)src[0], (int)src[1], (int)src[2],
2659     //       (int)dst[0], (int)dst[1], (int)dst[2]);
2660
2661 #if 0 //self test FIXME move to a vfilter or something
2662     {
2663     static volatile int i=0;
2664     i++;
2665     if (srcFormat==PIX_FMT_YUV420P && i==1 && srcSliceH>= c->srcH)
2666         selfTest(src, srcStride, c->srcW, c->srcH);
2667     i--;
2668     }
2669 #endif
2670
2671     //printf("sws Strides:%d %d %d -> %d %d %d\n", srcStride[0],srcStride[1],srcStride[2],
2672     //dstStride[0],dstStride[1],dstStride[2]);
2673
2674     if (dstStride[0]%8 !=0 || dstStride[1]%8 !=0 || dstStride[2]%8 !=0 || dstStride[3]%8 != 0)
2675     {
2676         static int warnedAlready=0; //FIXME move this into the context perhaps
2677         if (flags & SWS_PRINT_INFO && !warnedAlready)
2678         {
2679             av_log(c, AV_LOG_WARNING, "Warning: dstStride is not aligned!\n"
2680                    "         ->cannot do aligned memory accesses anymore\n");
2681             warnedAlready=1;
2682         }
2683     }
2684
2685     /* Note the user might start scaling the picture in the middle so this
2686        will not get executed. This is not really intended but works
2687        currently, so people might do it. */
2688     if (srcSliceY ==0){
2689         lumBufIndex=0;
2690         chrBufIndex=0;
2691         dstY=0;
2692         lastInLumBuf= -1;
2693         lastInChrBuf= -1;
2694     }
2695
2696     lastDstY= dstY;
2697
2698     for (;dstY < dstH; dstY++){
2699         unsigned char *dest =dst[0]+dstStride[0]*dstY;
2700         const int chrDstY= dstY>>c->chrDstVSubSample;
2701         unsigned char *uDest=dst[1]+dstStride[1]*chrDstY;
2702         unsigned char *vDest=dst[2]+dstStride[2]*chrDstY;
2703         unsigned char *aDest=(CONFIG_SWSCALE_ALPHA && alpPixBuf) ? dst[3]+dstStride[3]*dstY : NULL;
2704
2705         const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input
2706         const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input
2707         const int lastLumSrcY= firstLumSrcY + vLumFilterSize -1; // Last line needed as input
2708         const int lastChrSrcY= firstChrSrcY + vChrFilterSize -1; // Last line needed as input
2709
2710         //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",
2711         // dstY, dstH, firstLumSrcY, lastInLumBuf, vLumBufSize, vChrBufSize, srcSliceY, srcSliceH, vLumFilterSize, firstChrSrcY, vChrFilterSize,  c->chrSrcVSubSample);
2712         //handle holes (FAST_BILINEAR & weird filters)
2713         if (firstLumSrcY > lastInLumBuf) lastInLumBuf= firstLumSrcY-1;
2714         if (firstChrSrcY > lastInChrBuf) lastInChrBuf= firstChrSrcY-1;
2715         //printf("%d %d %d\n", firstChrSrcY, lastInChrBuf, vChrBufSize);
2716         assert(firstLumSrcY >= lastInLumBuf - vLumBufSize + 1);
2717         assert(firstChrSrcY >= lastInChrBuf - vChrBufSize + 1);
2718
2719         // Do we have enough lines in this slice to output the dstY line
2720         if (lastLumSrcY < srcSliceY + srcSliceH && lastChrSrcY < -((-srcSliceY - srcSliceH)>>c->chrSrcVSubSample))
2721         {
2722             //Do horizontal scaling
2723             while(lastInLumBuf < lastLumSrcY)
2724             {
2725                 uint8_t *src1= src[0]+(lastInLumBuf + 1 - srcSliceY)*srcStride[0];
2726                 uint8_t *src2= src[3]+(lastInLumBuf + 1 - srcSliceY)*srcStride[3];
2727                 lumBufIndex++;
2728                 //printf("%d %d %d %d\n", lumBufIndex, vLumBufSize, lastInLumBuf,  lastLumSrcY);
2729                 assert(lumBufIndex < 2*vLumBufSize);
2730                 assert(lastInLumBuf + 1 - srcSliceY < srcSliceH);
2731                 assert(lastInLumBuf + 1 - srcSliceY >= 0);
2732                 //printf("%d %d\n", lumBufIndex, vLumBufSize);
2733                 RENAME(hyscale)(c, lumPixBuf[ lumBufIndex ], dstW, src1, srcW, lumXInc,
2734                                 flags, hLumFilter, hLumFilterPos, hLumFilterSize,
2735                                 c->srcFormat, formatConvBuffer,
2736                                 pal, 0);
2737                 if (CONFIG_SWSCALE_ALPHA && alpPixBuf)
2738                     RENAME(hyscale)(c, alpPixBuf[ lumBufIndex ], dstW, src2, srcW, lumXInc,
2739                                     flags, hLumFilter, hLumFilterPos, hLumFilterSize,
2740                                     c->srcFormat, formatConvBuffer,
2741                                     pal, 1);
2742                 lastInLumBuf++;
2743             }
2744             while(lastInChrBuf < lastChrSrcY)
2745             {
2746                 uint8_t *src1= src[1]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[1];
2747                 uint8_t *src2= src[2]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[2];
2748                 chrBufIndex++;
2749                 assert(chrBufIndex < 2*vChrBufSize);
2750                 assert(lastInChrBuf + 1 - chrSrcSliceY < (chrSrcSliceH));
2751                 assert(lastInChrBuf + 1 - chrSrcSliceY >= 0);
2752                 //FIXME replace parameters through context struct (some at least)
2753
2754                 if (!(isGray(srcFormat) || isGray(dstFormat)))
2755                     RENAME(hcscale)(c, chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, chrSrcW, chrXInc,
2756                                     flags, hChrFilter, hChrFilterPos, hChrFilterSize,
2757                                     c->srcFormat, formatConvBuffer,
2758                                     pal);
2759                 lastInChrBuf++;
2760             }
2761             //wrap buf index around to stay inside the ring buffer
2762             if (lumBufIndex >= vLumBufSize) lumBufIndex-= vLumBufSize;
2763             if (chrBufIndex >= vChrBufSize) chrBufIndex-= vChrBufSize;
2764         }
2765         else // not enough lines left in this slice -> load the rest in the buffer
2766         {
2767             /* printf("%d %d Last:%d %d LastInBuf:%d %d Index:%d %d Y:%d FSize: %d %d BSize: %d %d\n",
2768             firstChrSrcY,firstLumSrcY,lastChrSrcY,lastLumSrcY,
2769             lastInChrBuf,lastInLumBuf,chrBufIndex,lumBufIndex,dstY,vChrFilterSize,vLumFilterSize,
2770             vChrBufSize, vLumBufSize);*/
2771
2772             //Do horizontal scaling
2773             while(lastInLumBuf+1 < srcSliceY + srcSliceH)
2774             {
2775                 uint8_t *src1= src[0]+(lastInLumBuf + 1 - srcSliceY)*srcStride[0];
2776                 uint8_t *src2= src[3]+(lastInLumBuf + 1 - srcSliceY)*srcStride[3];
2777                 lumBufIndex++;
2778                 assert(lumBufIndex < 2*vLumBufSize);
2779                 assert(lastInLumBuf + 1 - srcSliceY < srcSliceH);
2780                 assert(lastInLumBuf + 1 - srcSliceY >= 0);
2781                 RENAME(hyscale)(c, lumPixBuf[ lumBufIndex ], dstW, src1, srcW, lumXInc,
2782                                 flags, hLumFilter, hLumFilterPos, hLumFilterSize,
2783                                 c->srcFormat, formatConvBuffer,
2784                                 pal, 0);
2785                 if (CONFIG_SWSCALE_ALPHA && alpPixBuf)
2786                     RENAME(hyscale)(c, alpPixBuf[ lumBufIndex ], dstW, src2, srcW, lumXInc,
2787                                     flags, hLumFilter, hLumFilterPos, hLumFilterSize,
2788                                     c->srcFormat, formatConvBuffer,
2789                                     pal, 1);
2790                 lastInLumBuf++;
2791             }
2792             while(lastInChrBuf+1 < (chrSrcSliceY + chrSrcSliceH))
2793             {
2794                 uint8_t *src1= src[1]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[1];
2795                 uint8_t *src2= src[2]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[2];
2796                 chrBufIndex++;
2797                 assert(chrBufIndex < 2*vChrBufSize);
2798                 assert(lastInChrBuf + 1 - chrSrcSliceY < chrSrcSliceH);
2799                 assert(lastInChrBuf + 1 - chrSrcSliceY >= 0);
2800
2801                 if (!(isGray(srcFormat) || isGray(dstFormat)))
2802                     RENAME(hcscale)(c, chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, chrSrcW, chrXInc,
2803                             flags, hChrFilter, hChrFilterPos, hChrFilterSize,
2804                             c->srcFormat, formatConvBuffer,
2805                             pal);
2806                 lastInChrBuf++;
2807             }
2808             //wrap buf index around to stay inside the ring buffer
2809             if (lumBufIndex >= vLumBufSize) lumBufIndex-= vLumBufSize;
2810             if (chrBufIndex >= vChrBufSize) chrBufIndex-= vChrBufSize;
2811             break; //we can't output a dstY line so let's try with the next slice
2812         }
2813
2814 #if HAVE_MMX
2815         c->blueDither= ff_dither8[dstY&1];
2816         if (c->dstFormat == PIX_FMT_RGB555 || c->dstFormat == PIX_FMT_BGR555)
2817             c->greenDither= ff_dither8[dstY&1];
2818         else
2819             c->greenDither= ff_dither4[dstY&1];
2820         c->redDither= ff_dither8[(dstY+1)&1];
2821 #endif
2822         if (dstY < dstH-2)
2823         {
2824             const int16_t **lumSrcPtr= (const int16_t **) lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
2825             const int16_t **chrSrcPtr= (const int16_t **) chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
2826             const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **) alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL;
2827 #if HAVE_MMX
2828             int i;
2829         if (flags & SWS_ACCURATE_RND){
2830             int s= APCK_SIZE / 8;
2831             for (i=0; i<vLumFilterSize; i+=2){
2832                 *(void**)&lumMmxFilter[s*i              ]= lumSrcPtr[i  ];
2833                 *(void**)&lumMmxFilter[s*i+APCK_PTR2/4  ]= lumSrcPtr[i+(vLumFilterSize>1)];
2834                           lumMmxFilter[s*i+APCK_COEF/4  ]=
2835                           lumMmxFilter[s*i+APCK_COEF/4+1]= vLumFilter[dstY*vLumFilterSize + i    ]
2836                     + (vLumFilterSize>1 ? vLumFilter[dstY*vLumFilterSize + i + 1]<<16 : 0);
2837                 if (CONFIG_SWSCALE_ALPHA && alpPixBuf){
2838                     *(void**)&alpMmxFilter[s*i              ]= alpSrcPtr[i  ];
2839                     *(void**)&alpMmxFilter[s*i+APCK_PTR2/4  ]= alpSrcPtr[i+(vLumFilterSize>1)];
2840                               alpMmxFilter[s*i+APCK_COEF/4  ]=
2841                               alpMmxFilter[s*i+APCK_COEF/4+1]= lumMmxFilter[s*i+APCK_COEF/4  ];
2842                 }
2843             }
2844             for (i=0; i<vChrFilterSize; i+=2){
2845                 *(void**)&chrMmxFilter[s*i              ]= chrSrcPtr[i  ];
2846                 *(void**)&chrMmxFilter[s*i+APCK_PTR2/4  ]= chrSrcPtr[i+(vChrFilterSize>1)];
2847                           chrMmxFilter[s*i+APCK_COEF/4  ]=
2848                           chrMmxFilter[s*i+APCK_COEF/4+1]= vChrFilter[chrDstY*vChrFilterSize + i    ]
2849                     + (vChrFilterSize>1 ? vChrFilter[chrDstY*vChrFilterSize + i + 1]<<16 : 0);
2850             }
2851         }else{
2852             for (i=0; i<vLumFilterSize; i++)
2853             {
2854                 lumMmxFilter[4*i+0]= (int32_t)lumSrcPtr[i];
2855                 lumMmxFilter[4*i+1]= (uint64_t)lumSrcPtr[i] >> 32;
2856                 lumMmxFilter[4*i+2]=
2857                 lumMmxFilter[4*i+3]=
2858                     ((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001;
2859                 if (CONFIG_SWSCALE_ALPHA && alpPixBuf){
2860                     alpMmxFilter[4*i+0]= (int32_t)alpSrcPtr[i];
2861                     alpMmxFilter[4*i+1]= (uint64_t)alpSrcPtr[i] >> 32;
2862                     alpMmxFilter[4*i+2]=
2863                     alpMmxFilter[4*i+3]= lumMmxFilter[4*i+2];
2864                 }
2865             }
2866             for (i=0; i<vChrFilterSize; i++)
2867             {
2868                 chrMmxFilter[4*i+0]= (int32_t)chrSrcPtr[i];
2869                 chrMmxFilter[4*i+1]= (uint64_t)chrSrcPtr[i] >> 32;
2870                 chrMmxFilter[4*i+2]=
2871                 chrMmxFilter[4*i+3]=
2872                     ((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001;
2873             }
2874         }
2875 #endif
2876             if (dstFormat == PIX_FMT_NV12 || dstFormat == PIX_FMT_NV21){
2877                 const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
2878                 if (dstY&chrSkipMask) uDest= NULL; //FIXME split functions in lumi / chromi
2879                 c->yuv2nv12X(c,
2880                     vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
2881                     vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
2882                     dest, uDest, dstW, chrDstW, dstFormat);
2883             }
2884             else if (isPlanarYUV(dstFormat) || dstFormat==PIX_FMT_GRAY8) //YV12 like
2885             {
2886                 const int chrSkipMask= (1<<c->chrDstVSubSample)-1;
2887                 if ((dstY&chrSkipMask) || isGray(dstFormat)) uDest=vDest= NULL; //FIXME split functions in lumi / chromi
2888                 if (vLumFilterSize == 1 && vChrFilterSize == 1) // unscaled YV12
2889                 {
2890                     int16_t *lumBuf = lumPixBuf[0];
2891                     int16_t *chrBuf= chrPixBuf[0];
2892                     int16_t *alpBuf= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? alpPixBuf[0] : NULL;
2893                     c->yuv2yuv1(c, lumBuf, chrBuf, alpBuf, dest, uDest, vDest, aDest, dstW, chrDstW);
2894                 }
2895                 else //General YV12
2896                 {
2897                     c->yuv2yuvX(c,
2898                         vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
2899                         vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
2900                         alpSrcPtr, dest, uDest, vDest, aDest, dstW, chrDstW);
2901                 }
2902             }
2903             else
2904             {
2905                 assert(lumSrcPtr + vLumFilterSize - 1 < lumPixBuf + vLumBufSize*2);
2906                 assert(chrSrcPtr + vChrFilterSize - 1 < chrPixBuf + vChrBufSize*2);
2907                 if (vLumFilterSize == 1 && vChrFilterSize == 2) //unscaled RGB
2908                 {
2909                     int chrAlpha= vChrFilter[2*dstY+1];
2910                     if(flags & SWS_FULL_CHR_H_INT){
2911                         yuv2rgbXinC_full(c, //FIXME write a packed1_full function
2912                             vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
2913                             vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
2914                             alpSrcPtr, dest, dstW, dstY);
2915                     }else{
2916                         c->yuv2packed1(c, *lumSrcPtr, *chrSrcPtr, *(chrSrcPtr+1),
2917                             alpPixBuf ? *alpSrcPtr : NULL,
2918                             dest, dstW, chrAlpha, dstFormat, flags, dstY);
2919                     }
2920                 }
2921                 else if (vLumFilterSize == 2 && vChrFilterSize == 2) //bilinear upscale RGB
2922                 {
2923                     int lumAlpha= vLumFilter[2*dstY+1];
2924                     int chrAlpha= vChrFilter[2*dstY+1];
2925                     lumMmxFilter[2]=
2926                     lumMmxFilter[3]= vLumFilter[2*dstY   ]*0x10001;
2927                     chrMmxFilter[2]=
2928                     chrMmxFilter[3]= vChrFilter[2*chrDstY]*0x10001;
2929                     if(flags & SWS_FULL_CHR_H_INT){
2930                         yuv2rgbXinC_full(c, //FIXME write a packed2_full function
2931                             vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,
2932                             vChrFilter+dstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
2933                             alpSrcPtr, dest, dstW, dstY);
2934                     }else{
2935                         c->yuv2packed2(c, *lumSrcPtr, *(lumSrcPtr+1), *chrSrcPtr, *(chrSrcPtr+1),
2936                             alpPixBuf ? *alpSrcPtr : NULL, alpPixBuf ? *(alpSrcPtr+1) : NULL,
2937                             dest, dstW, lumAlpha, chrAlpha, dstY);
2938                     }
2939                 }
2940                 else //general RGB
2941                 {
2942                     if(flags & SWS_FULL_CHR_H_INT){
2943                         yuv2rgbXinC_full(c,
2944                             vLumFilter+dstY*vLumFilterSize, lumSrcPtr, vLumFilterSize,