Support PIX_FMT_RGB32_1 and PIX_FMT_BGR32_1.
[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 #undef EMMS
30 #undef SFENCE
31
32 #ifdef HAVE_3DNOW
33 /* On K6 femms is faster than emms. On K7 femms is directly mapped on emms. */
34 #define EMMS     "femms"
35 #else
36 #define EMMS     "emms"
37 #endif
38
39 #ifdef HAVE_3DNOW
40 #define PREFETCH  "prefetch"
41 #define PREFETCHW "prefetchw"
42 #elif defined (HAVE_MMX2)
43 #define PREFETCH "prefetchnta"
44 #define PREFETCHW "prefetcht0"
45 #else
46 #define PREFETCH  " # nop"
47 #define PREFETCHW " # nop"
48 #endif
49
50 #ifdef HAVE_MMX2
51 #define SFENCE "sfence"
52 #else
53 #define SFENCE " # nop"
54 #endif
55
56 #ifdef HAVE_MMX2
57 #define PAVGB(a,b) "pavgb " #a ", " #b " \n\t"
58 #elif defined (HAVE_3DNOW)
59 #define PAVGB(a,b) "pavgusb " #a ", " #b " \n\t"
60 #endif
61
62 #ifdef HAVE_MMX2
63 #define REAL_MOVNTQ(a,b) "movntq " #a ", " #b " \n\t"
64 #else
65 #define REAL_MOVNTQ(a,b) "movq " #a ", " #b " \n\t"
66 #endif
67 #define MOVNTQ(a,b)  REAL_MOVNTQ(a,b)
68
69 #ifdef HAVE_ALTIVEC
70 #include "swscale_altivec_template.c"
71 #endif
72
73 #define YSCALEYUV2YV12X(x, offset, dest, width) \
74     asm volatile(\
75     "xor                          %%"REG_a", %%"REG_a"  \n\t"\
76     "movq             "VROUNDER_OFFSET"(%0), %%mm3      \n\t"\
77     "movq                             %%mm3, %%mm4      \n\t"\
78     "lea                     " offset "(%0), %%"REG_d"  \n\t"\
79     "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
80     ASMALIGN(4) /* FIXME Unroll? */\
81     "1:                                                 \n\t"\
82     "movq                      8(%%"REG_d"), %%mm0      \n\t" /* filterCoeff */\
83     "movq   "  x "(%%"REG_S", %%"REG_a", 2), %%mm2      \n\t" /* srcData */\
84     "movq 8+"  x "(%%"REG_S", %%"REG_a", 2), %%mm5      \n\t" /* srcData */\
85     "add                                $16, %%"REG_d"  \n\t"\
86     "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
87     "test                         %%"REG_S", %%"REG_S"  \n\t"\
88     "pmulhw                           %%mm0, %%mm2      \n\t"\
89     "pmulhw                           %%mm0, %%mm5      \n\t"\
90     "paddw                            %%mm2, %%mm3      \n\t"\
91     "paddw                            %%mm5, %%mm4      \n\t"\
92     " jnz                                1b             \n\t"\
93     "psraw                               $3, %%mm3      \n\t"\
94     "psraw                               $3, %%mm4      \n\t"\
95     "packuswb                         %%mm4, %%mm3      \n\t"\
96     MOVNTQ(%%mm3, (%1, %%REGa))\
97     "add                                 $8, %%"REG_a"  \n\t"\
98     "cmp                                 %2, %%"REG_a"  \n\t"\
99     "movq             "VROUNDER_OFFSET"(%0), %%mm3      \n\t"\
100     "movq                             %%mm3, %%mm4      \n\t"\
101     "lea                     " offset "(%0), %%"REG_d"  \n\t"\
102     "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
103     "jb                                  1b             \n\t"\
104     :: "r" (&c->redDither),\
105     "r" (dest), "g" (width)\
106     : "%"REG_a, "%"REG_d, "%"REG_S\
107     );
108
109 #define YSCALEYUV2YV12X_ACCURATE(x, offset, dest, width) \
110     asm volatile(\
111     "lea                     " offset "(%0), %%"REG_d"  \n\t"\
112     "xor                          %%"REG_a", %%"REG_a"  \n\t"\
113     "pxor                             %%mm4, %%mm4      \n\t"\
114     "pxor                             %%mm5, %%mm5      \n\t"\
115     "pxor                             %%mm6, %%mm6      \n\t"\
116     "pxor                             %%mm7, %%mm7      \n\t"\
117     "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
118     ASMALIGN(4) \
119     "1:                                                 \n\t"\
120     "movq   "  x "(%%"REG_S", %%"REG_a", 2), %%mm0      \n\t" /* srcData */\
121     "movq 8+"  x "(%%"REG_S", %%"REG_a", 2), %%mm2      \n\t" /* srcData */\
122     "mov                       4(%%"REG_d"), %%"REG_S"  \n\t"\
123     "movq   "  x "(%%"REG_S", %%"REG_a", 2), %%mm1      \n\t" /* srcData */\
124     "movq                             %%mm0, %%mm3      \n\t"\
125     "punpcklwd                        %%mm1, %%mm0      \n\t"\
126     "punpckhwd                        %%mm1, %%mm3      \n\t"\
127     "movq                      8(%%"REG_d"), %%mm1      \n\t" /* filterCoeff */\
128     "pmaddwd                          %%mm1, %%mm0      \n\t"\
129     "pmaddwd                          %%mm1, %%mm3      \n\t"\
130     "paddd                            %%mm0, %%mm4      \n\t"\
131     "paddd                            %%mm3, %%mm5      \n\t"\
132     "movq 8+"  x "(%%"REG_S", %%"REG_a", 2), %%mm3      \n\t" /* srcData */\
133     "mov                      16(%%"REG_d"), %%"REG_S"  \n\t"\
134     "add                                $16, %%"REG_d"  \n\t"\
135     "test                         %%"REG_S", %%"REG_S"  \n\t"\
136     "movq                             %%mm2, %%mm0      \n\t"\
137     "punpcklwd                        %%mm3, %%mm2      \n\t"\
138     "punpckhwd                        %%mm3, %%mm0      \n\t"\
139     "pmaddwd                          %%mm1, %%mm2      \n\t"\
140     "pmaddwd                          %%mm1, %%mm0      \n\t"\
141     "paddd                            %%mm2, %%mm6      \n\t"\
142     "paddd                            %%mm0, %%mm7      \n\t"\
143     " jnz                                1b             \n\t"\
144     "psrad                              $16, %%mm4      \n\t"\
145     "psrad                              $16, %%mm5      \n\t"\
146     "psrad                              $16, %%mm6      \n\t"\
147     "psrad                              $16, %%mm7      \n\t"\
148     "movq             "VROUNDER_OFFSET"(%0), %%mm0      \n\t"\
149     "packssdw                         %%mm5, %%mm4      \n\t"\
150     "packssdw                         %%mm7, %%mm6      \n\t"\
151     "paddw                            %%mm0, %%mm4      \n\t"\
152     "paddw                            %%mm0, %%mm6      \n\t"\
153     "psraw                               $3, %%mm4      \n\t"\
154     "psraw                               $3, %%mm6      \n\t"\
155     "packuswb                         %%mm6, %%mm4      \n\t"\
156     MOVNTQ(%%mm4, (%1, %%REGa))\
157     "add                                 $8, %%"REG_a"  \n\t"\
158     "cmp                                 %2, %%"REG_a"  \n\t"\
159     "lea                     " offset "(%0), %%"REG_d"  \n\t"\
160     "pxor                             %%mm4, %%mm4      \n\t"\
161     "pxor                             %%mm5, %%mm5      \n\t"\
162     "pxor                             %%mm6, %%mm6      \n\t"\
163     "pxor                             %%mm7, %%mm7      \n\t"\
164     "mov                        (%%"REG_d"), %%"REG_S"  \n\t"\
165     "jb                                  1b             \n\t"\
166     :: "r" (&c->redDither),\
167     "r" (dest), "g" (width)\
168     : "%"REG_a, "%"REG_d, "%"REG_S\
169     );
170
171 #define YSCALEYUV2YV121 \
172     "mov %2, %%"REG_a"                    \n\t"\
173     ASMALIGN(4) /* FIXME Unroll? */\
174     "1:                                   \n\t"\
175     "movq  (%0, %%"REG_a", 2), %%mm0      \n\t"\
176     "movq 8(%0, %%"REG_a", 2), %%mm1      \n\t"\
177     "psraw                 $7, %%mm0      \n\t"\
178     "psraw                 $7, %%mm1      \n\t"\
179     "packuswb           %%mm1, %%mm0      \n\t"\
180     MOVNTQ(%%mm0, (%1, %%REGa))\
181     "add                   $8, %%"REG_a"  \n\t"\
182     "jnc                   1b             \n\t"
183
184 #define YSCALEYUV2YV121_ACCURATE \
185     "mov %2, %%"REG_a"                    \n\t"\
186     "pcmpeqw %%mm7, %%mm7                 \n\t"\
187     "psrlw                 $15, %%mm7     \n\t"\
188     "psllw                  $6, %%mm7     \n\t"\
189     ASMALIGN(4) /* FIXME Unroll? */\
190     "1:                                   \n\t"\
191     "movq  (%0, %%"REG_a", 2), %%mm0      \n\t"\
192     "movq 8(%0, %%"REG_a", 2), %%mm1      \n\t"\
193     "paddw              %%mm7, %%mm0      \n\t"\
194     "paddw              %%mm7, %%mm1      \n\t"\
195     "psraw                 $7, %%mm0      \n\t"\
196     "psraw                 $7, %%mm1      \n\t"\
197     "packuswb           %%mm1, %%mm0      \n\t"\
198     MOVNTQ(%%mm0, (%1, %%REGa))\
199     "add                   $8, %%"REG_a"  \n\t"\
200     "jnc                   1b             \n\t"
201
202 /*
203     :: "m" (-lumFilterSize), "m" (-chrFilterSize),
204        "m" (lumMmxFilter+lumFilterSize*4), "m" (chrMmxFilter+chrFilterSize*4),
205        "r" (dest), "m" (dstW),
206        "m" (lumSrc+lumFilterSize), "m" (chrSrc+chrFilterSize)
207     : "%eax", "%ebx", "%ecx", "%edx", "%esi"
208 */
209 #define YSCALEYUV2PACKEDX \
210     asm volatile(\
211     "xor                   %%"REG_a", %%"REG_a"     \n\t"\
212     ASMALIGN(4)\
213     "nop                                            \n\t"\
214     "1:                                             \n\t"\
215     "lea "CHR_MMX_FILTER_OFFSET"(%0), %%"REG_d"     \n\t"\
216     "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
217     "movq      "VROUNDER_OFFSET"(%0), %%mm3         \n\t"\
218     "movq                      %%mm3, %%mm4         \n\t"\
219     ASMALIGN(4)\
220     "2:                                             \n\t"\
221     "movq               8(%%"REG_d"), %%mm0         \n\t" /* filterCoeff */\
222     "movq     (%%"REG_S", %%"REG_a"), %%mm2         \n\t" /* UsrcData */\
223     "movq "AV_STRINGIFY(VOF)"(%%"REG_S", %%"REG_a"), %%mm5         \n\t" /* VsrcData */\
224     "add                         $16, %%"REG_d"     \n\t"\
225     "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
226     "pmulhw                    %%mm0, %%mm2         \n\t"\
227     "pmulhw                    %%mm0, %%mm5         \n\t"\
228     "paddw                     %%mm2, %%mm3         \n\t"\
229     "paddw                     %%mm5, %%mm4         \n\t"\
230     "test                  %%"REG_S", %%"REG_S"     \n\t"\
231     " jnz                         2b                \n\t"\
232 \
233     "lea "LUM_MMX_FILTER_OFFSET"(%0), %%"REG_d"     \n\t"\
234     "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
235     "movq      "VROUNDER_OFFSET"(%0), %%mm1         \n\t"\
236     "movq                      %%mm1, %%mm7         \n\t"\
237     ASMALIGN(4)\
238     "2:                                             \n\t"\
239     "movq               8(%%"REG_d"), %%mm0         \n\t" /* filterCoeff */\
240     "movq  (%%"REG_S", %%"REG_a", 2), %%mm2         \n\t" /* Y1srcData */\
241     "movq 8(%%"REG_S", %%"REG_a", 2), %%mm5         \n\t" /* Y2srcData */\
242     "add                         $16, %%"REG_d"            \n\t"\
243     "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
244     "pmulhw                    %%mm0, %%mm2         \n\t"\
245     "pmulhw                    %%mm0, %%mm5         \n\t"\
246     "paddw                     %%mm2, %%mm1         \n\t"\
247     "paddw                     %%mm5, %%mm7         \n\t"\
248     "test                  %%"REG_S", %%"REG_S"     \n\t"\
249     " jnz                         2b                \n\t"\
250
251 #define YSCALEYUV2PACKEDX_END                 \
252     :: "r" (&c->redDither),                   \
253         "m" (dummy), "m" (dummy), "m" (dummy),\
254         "r" (dest), "m" (dstW)                \
255     : "%"REG_a, "%"REG_d, "%"REG_S            \
256     );
257
258 #define YSCALEYUV2PACKEDX_ACCURATE \
259     asm volatile(\
260     "xor %%"REG_a", %%"REG_a"                       \n\t"\
261     ASMALIGN(4)\
262     "nop                                            \n\t"\
263     "1:                                             \n\t"\
264     "lea "CHR_MMX_FILTER_OFFSET"(%0), %%"REG_d"     \n\t"\
265     "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
266     "pxor                      %%mm4, %%mm4         \n\t"\
267     "pxor                      %%mm5, %%mm5         \n\t"\
268     "pxor                      %%mm6, %%mm6         \n\t"\
269     "pxor                      %%mm7, %%mm7         \n\t"\
270     ASMALIGN(4)\
271     "2:                                             \n\t"\
272     "movq     (%%"REG_S", %%"REG_a"), %%mm0         \n\t" /* UsrcData */\
273     "movq "AV_STRINGIFY(VOF)"(%%"REG_S", %%"REG_a"), %%mm2         \n\t" /* VsrcData */\
274     "mov                4(%%"REG_d"), %%"REG_S"     \n\t"\
275     "movq     (%%"REG_S", %%"REG_a"), %%mm1         \n\t" /* UsrcData */\
276     "movq                      %%mm0, %%mm3         \n\t"\
277     "punpcklwd                 %%mm1, %%mm0         \n\t"\
278     "punpckhwd                 %%mm1, %%mm3         \n\t"\
279     "movq               8(%%"REG_d"), %%mm1         \n\t" /* filterCoeff */\
280     "pmaddwd                   %%mm1, %%mm0         \n\t"\
281     "pmaddwd                   %%mm1, %%mm3         \n\t"\
282     "paddd                     %%mm0, %%mm4         \n\t"\
283     "paddd                     %%mm3, %%mm5         \n\t"\
284     "movq "AV_STRINGIFY(VOF)"(%%"REG_S", %%"REG_a"), %%mm3         \n\t" /* VsrcData */\
285     "mov               16(%%"REG_d"), %%"REG_S"     \n\t"\
286     "add                         $16, %%"REG_d"     \n\t"\
287     "test                  %%"REG_S", %%"REG_S"     \n\t"\
288     "movq                      %%mm2, %%mm0         \n\t"\
289     "punpcklwd                 %%mm3, %%mm2         \n\t"\
290     "punpckhwd                 %%mm3, %%mm0         \n\t"\
291     "pmaddwd                   %%mm1, %%mm2         \n\t"\
292     "pmaddwd                   %%mm1, %%mm0         \n\t"\
293     "paddd                     %%mm2, %%mm6         \n\t"\
294     "paddd                     %%mm0, %%mm7         \n\t"\
295     " jnz                         2b                \n\t"\
296     "psrad                       $16, %%mm4         \n\t"\
297     "psrad                       $16, %%mm5         \n\t"\
298     "psrad                       $16, %%mm6         \n\t"\
299     "psrad                       $16, %%mm7         \n\t"\
300     "movq      "VROUNDER_OFFSET"(%0), %%mm0         \n\t"\
301     "packssdw                  %%mm5, %%mm4         \n\t"\
302     "packssdw                  %%mm7, %%mm6         \n\t"\
303     "paddw                     %%mm0, %%mm4         \n\t"\
304     "paddw                     %%mm0, %%mm6         \n\t"\
305     "movq                      %%mm4, "U_TEMP"(%0)  \n\t"\
306     "movq                      %%mm6, "V_TEMP"(%0)  \n\t"\
307 \
308     "lea "LUM_MMX_FILTER_OFFSET"(%0), %%"REG_d"     \n\t"\
309     "mov                 (%%"REG_d"), %%"REG_S"     \n\t"\
310     "pxor                      %%mm1, %%mm1         \n\t"\
311     "pxor                      %%mm5, %%mm5         \n\t"\
312     "pxor                      %%mm7, %%mm7         \n\t"\
313     "pxor                      %%mm6, %%mm6         \n\t"\
314     ASMALIGN(4)\
315     "2:                                             \n\t"\
316     "movq  (%%"REG_S", %%"REG_a", 2), %%mm0         \n\t" /* Y1srcData */\
317     "movq 8(%%"REG_S", %%"REG_a", 2), %%mm2         \n\t" /* Y2srcData */\
318     "mov                4(%%"REG_d"), %%"REG_S"     \n\t"\
319     "movq  (%%"REG_S", %%"REG_a", 2), %%mm4         \n\t" /* Y1srcData */\
320     "movq                      %%mm0, %%mm3         \n\t"\
321     "punpcklwd                 %%mm4, %%mm0         \n\t"\
322     "punpckhwd                 %%mm4, %%mm3         \n\t"\
323     "movq               8(%%"REG_d"), %%mm4         \n\t" /* filterCoeff */\
324     "pmaddwd                   %%mm4, %%mm0         \n\t"\
325     "pmaddwd                   %%mm4, %%mm3         \n\t"\
326     "paddd                     %%mm0, %%mm1         \n\t"\
327     "paddd                     %%mm3, %%mm5         \n\t"\
328     "movq 8(%%"REG_S", %%"REG_a", 2), %%mm3         \n\t" /* Y2srcData */\
329     "mov               16(%%"REG_d"), %%"REG_S"     \n\t"\
330     "add                         $16, %%"REG_d"     \n\t"\
331     "test                  %%"REG_S", %%"REG_S"     \n\t"\
332     "movq                      %%mm2, %%mm0         \n\t"\
333     "punpcklwd                 %%mm3, %%mm2         \n\t"\
334     "punpckhwd                 %%mm3, %%mm0         \n\t"\
335     "pmaddwd                   %%mm4, %%mm2         \n\t"\
336     "pmaddwd                   %%mm4, %%mm0         \n\t"\
337     "paddd                     %%mm2, %%mm7         \n\t"\
338     "paddd                     %%mm0, %%mm6         \n\t"\
339     " jnz                         2b                \n\t"\
340     "psrad                       $16, %%mm1         \n\t"\
341     "psrad                       $16, %%mm5         \n\t"\
342     "psrad                       $16, %%mm7         \n\t"\
343     "psrad                       $16, %%mm6         \n\t"\
344     "movq      "VROUNDER_OFFSET"(%0), %%mm0         \n\t"\
345     "packssdw                  %%mm5, %%mm1         \n\t"\
346     "packssdw                  %%mm6, %%mm7         \n\t"\
347     "paddw                     %%mm0, %%mm1         \n\t"\
348     "paddw                     %%mm0, %%mm7         \n\t"\
349     "movq               "U_TEMP"(%0), %%mm3         \n\t"\
350     "movq               "V_TEMP"(%0), %%mm4         \n\t"\
351
352 #define YSCALEYUV2RGBX \
353     "psubw  "U_OFFSET"(%0), %%mm3       \n\t" /* (U-128)8*/\
354     "psubw  "V_OFFSET"(%0), %%mm4       \n\t" /* (V-128)8*/\
355     "movq            %%mm3, %%mm2       \n\t" /* (U-128)8*/\
356     "movq            %%mm4, %%mm5       \n\t" /* (V-128)8*/\
357     "pmulhw "UG_COEFF"(%0), %%mm3       \n\t"\
358     "pmulhw "VG_COEFF"(%0), %%mm4       \n\t"\
359 /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
360     "pmulhw "UB_COEFF"(%0), %%mm2       \n\t"\
361     "pmulhw "VR_COEFF"(%0), %%mm5       \n\t"\
362     "psubw  "Y_OFFSET"(%0), %%mm1       \n\t" /* 8(Y-16)*/\
363     "psubw  "Y_OFFSET"(%0), %%mm7       \n\t" /* 8(Y-16)*/\
364     "pmulhw  "Y_COEFF"(%0), %%mm1       \n\t"\
365     "pmulhw  "Y_COEFF"(%0), %%mm7       \n\t"\
366 /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
367     "paddw           %%mm3, %%mm4       \n\t"\
368     "movq            %%mm2, %%mm0       \n\t"\
369     "movq            %%mm5, %%mm6       \n\t"\
370     "movq            %%mm4, %%mm3       \n\t"\
371     "punpcklwd       %%mm2, %%mm2       \n\t"\
372     "punpcklwd       %%mm5, %%mm5       \n\t"\
373     "punpcklwd       %%mm4, %%mm4       \n\t"\
374     "paddw           %%mm1, %%mm2       \n\t"\
375     "paddw           %%mm1, %%mm5       \n\t"\
376     "paddw           %%mm1, %%mm4       \n\t"\
377     "punpckhwd       %%mm0, %%mm0       \n\t"\
378     "punpckhwd       %%mm6, %%mm6       \n\t"\
379     "punpckhwd       %%mm3, %%mm3       \n\t"\
380     "paddw           %%mm7, %%mm0       \n\t"\
381     "paddw           %%mm7, %%mm6       \n\t"\
382     "paddw           %%mm7, %%mm3       \n\t"\
383     /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
384     "packuswb        %%mm0, %%mm2       \n\t"\
385     "packuswb        %%mm6, %%mm5       \n\t"\
386     "packuswb        %%mm3, %%mm4       \n\t"\
387     "pxor            %%mm7, %%mm7       \n\t"
388 #if 0
389 #define FULL_YSCALEYUV2RGB \
390     "pxor                 %%mm7, %%mm7  \n\t"\
391     "movd                    %6, %%mm6  \n\t" /*yalpha1*/\
392     "punpcklwd            %%mm6, %%mm6  \n\t"\
393     "punpcklwd            %%mm6, %%mm6  \n\t"\
394     "movd                    %7, %%mm5  \n\t" /*uvalpha1*/\
395     "punpcklwd            %%mm5, %%mm5  \n\t"\
396     "punpcklwd            %%mm5, %%mm5  \n\t"\
397     "xor              %%"REG_a", %%"REG_a"  \n\t"\
398     ASMALIGN(4)\
399     "1:                                 \n\t"\
400     "movq     (%0, %%"REG_a",2), %%mm0  \n\t" /*buf0[eax]*/\
401     "movq     (%1, %%"REG_a",2), %%mm1  \n\t" /*buf1[eax]*/\
402     "movq     (%2, %%"REG_a",2), %%mm2  \n\t" /* uvbuf0[eax]*/\
403     "movq     (%3, %%"REG_a",2), %%mm3  \n\t" /* uvbuf1[eax]*/\
404     "psubw                %%mm1, %%mm0  \n\t" /* buf0[eax] - buf1[eax]*/\
405     "psubw                %%mm3, %%mm2  \n\t" /* uvbuf0[eax] - uvbuf1[eax]*/\
406     "pmulhw               %%mm6, %%mm0  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
407     "pmulhw               %%mm5, %%mm2  \n\t" /* (uvbuf0[eax] - uvbuf1[eax])uvalpha1>>16*/\
408     "psraw                   $4, %%mm1  \n\t" /* buf0[eax] - buf1[eax] >>4*/\
409     "movq "AV_STRINGIFY(VOF)"(%2, %%"REG_a",2), %%mm4  \n\t" /* uvbuf0[eax+2048]*/\
410     "psraw                   $4, %%mm3  \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
411     "paddw                %%mm0, %%mm1  \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
412     "movq "AV_STRINGIFY(VOF)"(%3, %%"REG_a",2), %%mm0  \n\t" /* uvbuf1[eax+2048]*/\
413     "paddw                %%mm2, %%mm3  \n\t" /* uvbuf0[eax]uvalpha1 - uvbuf1[eax](1-uvalpha1)*/\
414     "psubw                %%mm0, %%mm4  \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048]*/\
415     "psubw        "MANGLE(w80)", %%mm1  \n\t" /* 8(Y-16)*/\
416     "psubw       "MANGLE(w400)", %%mm3  \n\t" /* 8(U-128)*/\
417     "pmulhw    "MANGLE(yCoeff)", %%mm1  \n\t"\
418 \
419 \
420     "pmulhw               %%mm5, %%mm4  \n\t" /* (uvbuf0[eax+2048] - uvbuf1[eax+2048])uvalpha1>>16*/\
421     "movq                 %%mm3, %%mm2  \n\t" /* (U-128)8*/\
422     "pmulhw   "MANGLE(ubCoeff)", %%mm3  \n\t"\
423     "psraw                   $4, %%mm0  \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
424     "pmulhw   "MANGLE(ugCoeff)", %%mm2  \n\t"\
425     "paddw                %%mm4, %%mm0  \n\t" /* uvbuf0[eax+2048]uvalpha1 - uvbuf1[eax+2048](1-uvalpha1)*/\
426     "psubw       "MANGLE(w400)", %%mm0  \n\t" /* (V-128)8*/\
427 \
428 \
429     "movq                 %%mm0, %%mm4  \n\t" /* (V-128)8*/\
430     "pmulhw   "MANGLE(vrCoeff)", %%mm0  \n\t"\
431     "pmulhw   "MANGLE(vgCoeff)", %%mm4  \n\t"\
432     "paddw                %%mm1, %%mm3  \n\t" /* B*/\
433     "paddw                %%mm1, %%mm0  \n\t" /* R*/\
434     "packuswb             %%mm3, %%mm3  \n\t"\
435 \
436     "packuswb             %%mm0, %%mm0  \n\t"\
437     "paddw                %%mm4, %%mm2  \n\t"\
438     "paddw                %%mm2, %%mm1  \n\t" /* G*/\
439 \
440     "packuswb             %%mm1, %%mm1  \n\t"
441 #endif
442
443 #define REAL_YSCALEYUV2PACKED(index, c) \
444     "movq "CHR_MMX_FILTER_OFFSET"+8("#c"), %%mm0              \n\t"\
445     "movq "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm1              \n\t"\
446     "psraw                $3, %%mm0                           \n\t"\
447     "psraw                $3, %%mm1                           \n\t"\
448     "movq              %%mm0, "CHR_MMX_FILTER_OFFSET"+8("#c") \n\t"\
449     "movq              %%mm1, "LUM_MMX_FILTER_OFFSET"+8("#c") \n\t"\
450     "xor            "#index", "#index"                        \n\t"\
451     ASMALIGN(4)\
452     "1:                                 \n\t"\
453     "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
454     "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
455     "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
456     "movq "AV_STRINGIFY(VOF)"(%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\
457     "psubw             %%mm3, %%mm2     \n\t" /* uvbuf0[eax] - uvbuf1[eax]*/\
458     "psubw             %%mm4, %%mm5     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048]*/\
459     "movq "CHR_MMX_FILTER_OFFSET"+8("#c"), %%mm0    \n\t"\
460     "pmulhw            %%mm0, %%mm2     \n\t" /* (uvbuf0[eax] - uvbuf1[eax])uvalpha1>>16*/\
461     "pmulhw            %%mm0, %%mm5     \n\t" /* (uvbuf0[eax+2048] - uvbuf1[eax+2048])uvalpha1>>16*/\
462     "psraw                $7, %%mm3     \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
463     "psraw                $7, %%mm4     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
464     "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax]uvalpha1 - uvbuf1[eax](1-uvalpha1)*/\
465     "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048]uvalpha1 - uvbuf1[eax+2048](1-uvalpha1)*/\
466     "movq  (%0, "#index", 2), %%mm0     \n\t" /*buf0[eax]*/\
467     "movq  (%1, "#index", 2), %%mm1     \n\t" /*buf1[eax]*/\
468     "movq 8(%0, "#index", 2), %%mm6     \n\t" /*buf0[eax]*/\
469     "movq 8(%1, "#index", 2), %%mm7     \n\t" /*buf1[eax]*/\
470     "psubw             %%mm1, %%mm0     \n\t" /* buf0[eax] - buf1[eax]*/\
471     "psubw             %%mm7, %%mm6     \n\t" /* buf0[eax] - buf1[eax]*/\
472     "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm0  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
473     "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm6  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
474     "psraw                $7, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
475     "psraw                $7, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
476     "paddw             %%mm0, %%mm1     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
477     "paddw             %%mm6, %%mm7     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
478
479 #define YSCALEYUV2PACKED(index, c)  REAL_YSCALEYUV2PACKED(index, c)
480
481 #define REAL_YSCALEYUV2RGB(index, c) \
482     "xor            "#index", "#index"  \n\t"\
483     ASMALIGN(4)\
484     "1:                                 \n\t"\
485     "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
486     "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
487     "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
488     "movq "AV_STRINGIFY(VOF)"(%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\
489     "psubw             %%mm3, %%mm2     \n\t" /* uvbuf0[eax] - uvbuf1[eax]*/\
490     "psubw             %%mm4, %%mm5     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048]*/\
491     "movq "CHR_MMX_FILTER_OFFSET"+8("#c"), %%mm0    \n\t"\
492     "pmulhw            %%mm0, %%mm2     \n\t" /* (uvbuf0[eax] - uvbuf1[eax])uvalpha1>>16*/\
493     "pmulhw            %%mm0, %%mm5     \n\t" /* (uvbuf0[eax+2048] - uvbuf1[eax+2048])uvalpha1>>16*/\
494     "psraw                $4, %%mm3     \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
495     "psraw                $4, %%mm4     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
496     "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax]uvalpha1 - uvbuf1[eax](1-uvalpha1)*/\
497     "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048]uvalpha1 - uvbuf1[eax+2048](1-uvalpha1)*/\
498     "psubw  "U_OFFSET"("#c"), %%mm3     \n\t" /* (U-128)8*/\
499     "psubw  "V_OFFSET"("#c"), %%mm4     \n\t" /* (V-128)8*/\
500     "movq              %%mm3, %%mm2     \n\t" /* (U-128)8*/\
501     "movq              %%mm4, %%mm5     \n\t" /* (V-128)8*/\
502     "pmulhw "UG_COEFF"("#c"), %%mm3     \n\t"\
503     "pmulhw "VG_COEFF"("#c"), %%mm4     \n\t"\
504     /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
505     "movq  (%0, "#index", 2), %%mm0     \n\t" /*buf0[eax]*/\
506     "movq  (%1, "#index", 2), %%mm1     \n\t" /*buf1[eax]*/\
507     "movq 8(%0, "#index", 2), %%mm6     \n\t" /*buf0[eax]*/\
508     "movq 8(%1, "#index", 2), %%mm7     \n\t" /*buf1[eax]*/\
509     "psubw             %%mm1, %%mm0     \n\t" /* buf0[eax] - buf1[eax]*/\
510     "psubw             %%mm7, %%mm6     \n\t" /* buf0[eax] - buf1[eax]*/\
511     "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm0  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
512     "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm6  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
513     "psraw                $4, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
514     "psraw                $4, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
515     "paddw             %%mm0, %%mm1     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
516     "paddw             %%mm6, %%mm7     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
517     "pmulhw "UB_COEFF"("#c"), %%mm2     \n\t"\
518     "pmulhw "VR_COEFF"("#c"), %%mm5     \n\t"\
519     "psubw  "Y_OFFSET"("#c"), %%mm1     \n\t" /* 8(Y-16)*/\
520     "psubw  "Y_OFFSET"("#c"), %%mm7     \n\t" /* 8(Y-16)*/\
521     "pmulhw  "Y_COEFF"("#c"), %%mm1     \n\t"\
522     "pmulhw  "Y_COEFF"("#c"), %%mm7     \n\t"\
523     /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
524     "paddw             %%mm3, %%mm4     \n\t"\
525     "movq              %%mm2, %%mm0     \n\t"\
526     "movq              %%mm5, %%mm6     \n\t"\
527     "movq              %%mm4, %%mm3     \n\t"\
528     "punpcklwd         %%mm2, %%mm2     \n\t"\
529     "punpcklwd         %%mm5, %%mm5     \n\t"\
530     "punpcklwd         %%mm4, %%mm4     \n\t"\
531     "paddw             %%mm1, %%mm2     \n\t"\
532     "paddw             %%mm1, %%mm5     \n\t"\
533     "paddw             %%mm1, %%mm4     \n\t"\
534     "punpckhwd         %%mm0, %%mm0     \n\t"\
535     "punpckhwd         %%mm6, %%mm6     \n\t"\
536     "punpckhwd         %%mm3, %%mm3     \n\t"\
537     "paddw             %%mm7, %%mm0     \n\t"\
538     "paddw             %%mm7, %%mm6     \n\t"\
539     "paddw             %%mm7, %%mm3     \n\t"\
540     /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
541     "packuswb          %%mm0, %%mm2     \n\t"\
542     "packuswb          %%mm6, %%mm5     \n\t"\
543     "packuswb          %%mm3, %%mm4     \n\t"\
544     "pxor              %%mm7, %%mm7     \n\t"
545 #define YSCALEYUV2RGB(index, c)  REAL_YSCALEYUV2RGB(index, c)
546
547 #define REAL_YSCALEYUV2PACKED1(index, c) \
548     "xor            "#index", "#index"  \n\t"\
549     ASMALIGN(4)\
550     "1:                                 \n\t"\
551     "movq     (%2, "#index"), %%mm3     \n\t" /* uvbuf0[eax]*/\
552     "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm4     \n\t" /* uvbuf0[eax+2048]*/\
553     "psraw                $7, %%mm3     \n\t" \
554     "psraw                $7, %%mm4     \n\t" \
555     "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\
556     "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\
557     "psraw                $7, %%mm1     \n\t" \
558     "psraw                $7, %%mm7     \n\t" \
559
560 #define YSCALEYUV2PACKED1(index, c)  REAL_YSCALEYUV2PACKED1(index, c)
561
562 #define REAL_YSCALEYUV2RGB1(index, c) \
563     "xor            "#index", "#index"  \n\t"\
564     ASMALIGN(4)\
565     "1:                                 \n\t"\
566     "movq     (%2, "#index"), %%mm3     \n\t" /* uvbuf0[eax]*/\
567     "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm4     \n\t" /* uvbuf0[eax+2048]*/\
568     "psraw                $4, %%mm3     \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
569     "psraw                $4, %%mm4     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
570     "psubw  "U_OFFSET"("#c"), %%mm3     \n\t" /* (U-128)8*/\
571     "psubw  "V_OFFSET"("#c"), %%mm4     \n\t" /* (V-128)8*/\
572     "movq              %%mm3, %%mm2     \n\t" /* (U-128)8*/\
573     "movq              %%mm4, %%mm5     \n\t" /* (V-128)8*/\
574     "pmulhw "UG_COEFF"("#c"), %%mm3     \n\t"\
575     "pmulhw "VG_COEFF"("#c"), %%mm4     \n\t"\
576     /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
577     "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\
578     "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\
579     "psraw                $4, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
580     "psraw                $4, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
581     "pmulhw "UB_COEFF"("#c"), %%mm2     \n\t"\
582     "pmulhw "VR_COEFF"("#c"), %%mm5     \n\t"\
583     "psubw  "Y_OFFSET"("#c"), %%mm1     \n\t" /* 8(Y-16)*/\
584     "psubw  "Y_OFFSET"("#c"), %%mm7     \n\t" /* 8(Y-16)*/\
585     "pmulhw  "Y_COEFF"("#c"), %%mm1     \n\t"\
586     "pmulhw  "Y_COEFF"("#c"), %%mm7     \n\t"\
587     /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
588     "paddw             %%mm3, %%mm4     \n\t"\
589     "movq              %%mm2, %%mm0     \n\t"\
590     "movq              %%mm5, %%mm6     \n\t"\
591     "movq              %%mm4, %%mm3     \n\t"\
592     "punpcklwd         %%mm2, %%mm2     \n\t"\
593     "punpcklwd         %%mm5, %%mm5     \n\t"\
594     "punpcklwd         %%mm4, %%mm4     \n\t"\
595     "paddw             %%mm1, %%mm2     \n\t"\
596     "paddw             %%mm1, %%mm5     \n\t"\
597     "paddw             %%mm1, %%mm4     \n\t"\
598     "punpckhwd         %%mm0, %%mm0     \n\t"\
599     "punpckhwd         %%mm6, %%mm6     \n\t"\
600     "punpckhwd         %%mm3, %%mm3     \n\t"\
601     "paddw             %%mm7, %%mm0     \n\t"\
602     "paddw             %%mm7, %%mm6     \n\t"\
603     "paddw             %%mm7, %%mm3     \n\t"\
604     /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
605     "packuswb          %%mm0, %%mm2     \n\t"\
606     "packuswb          %%mm6, %%mm5     \n\t"\
607     "packuswb          %%mm3, %%mm4     \n\t"\
608     "pxor              %%mm7, %%mm7     \n\t"
609 #define YSCALEYUV2RGB1(index, c)  REAL_YSCALEYUV2RGB1(index, c)
610
611 #define REAL_YSCALEYUV2PACKED1b(index, c) \
612     "xor "#index", "#index"             \n\t"\
613     ASMALIGN(4)\
614     "1:                                 \n\t"\
615     "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
616     "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
617     "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
618     "movq "AV_STRINGIFY(VOF)"(%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\
619     "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax] + uvbuf1[eax]*/\
620     "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048] + uvbuf1[eax+2048]*/\
621     "psrlw                $8, %%mm3     \n\t" \
622     "psrlw                $8, %%mm4     \n\t" \
623     "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\
624     "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\
625     "psraw                $7, %%mm1     \n\t" \
626     "psraw                $7, %%mm7     \n\t"
627 #define YSCALEYUV2PACKED1b(index, c)  REAL_YSCALEYUV2PACKED1b(index, c)
628
629 // do vertical chrominance interpolation
630 #define REAL_YSCALEYUV2RGB1b(index, c) \
631     "xor            "#index", "#index"  \n\t"\
632     ASMALIGN(4)\
633     "1:                                 \n\t"\
634     "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
635     "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
636     "movq "AV_STRINGIFY(VOF)"(%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
637     "movq "AV_STRINGIFY(VOF)"(%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\
638     "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax] + uvbuf1[eax]*/\
639     "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048] + uvbuf1[eax+2048]*/\
640     "psrlw                $5, %%mm3     \n\t" /*FIXME might overflow*/\
641     "psrlw                $5, %%mm4     \n\t" /*FIXME might overflow*/\
642     "psubw  "U_OFFSET"("#c"), %%mm3     \n\t" /* (U-128)8*/\
643     "psubw  "V_OFFSET"("#c"), %%mm4     \n\t" /* (V-128)8*/\
644     "movq              %%mm3, %%mm2     \n\t" /* (U-128)8*/\
645     "movq              %%mm4, %%mm5     \n\t" /* (V-128)8*/\
646     "pmulhw "UG_COEFF"("#c"), %%mm3     \n\t"\
647     "pmulhw "VG_COEFF"("#c"), %%mm4     \n\t"\
648     /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
649     "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\
650     "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\
651     "psraw                $4, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
652     "psraw                $4, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
653     "pmulhw "UB_COEFF"("#c"), %%mm2     \n\t"\
654     "pmulhw "VR_COEFF"("#c"), %%mm5     \n\t"\
655     "psubw  "Y_OFFSET"("#c"), %%mm1     \n\t" /* 8(Y-16)*/\
656     "psubw  "Y_OFFSET"("#c"), %%mm7     \n\t" /* 8(Y-16)*/\
657     "pmulhw  "Y_COEFF"("#c"), %%mm1     \n\t"\
658     "pmulhw  "Y_COEFF"("#c"), %%mm7     \n\t"\
659     /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
660     "paddw             %%mm3, %%mm4     \n\t"\
661     "movq              %%mm2, %%mm0     \n\t"\
662     "movq              %%mm5, %%mm6     \n\t"\
663     "movq              %%mm4, %%mm3     \n\t"\
664     "punpcklwd         %%mm2, %%mm2     \n\t"\
665     "punpcklwd         %%mm5, %%mm5     \n\t"\
666     "punpcklwd         %%mm4, %%mm4     \n\t"\
667     "paddw             %%mm1, %%mm2     \n\t"\
668     "paddw             %%mm1, %%mm5     \n\t"\
669     "paddw             %%mm1, %%mm4     \n\t"\
670     "punpckhwd         %%mm0, %%mm0     \n\t"\
671     "punpckhwd         %%mm6, %%mm6     \n\t"\
672     "punpckhwd         %%mm3, %%mm3     \n\t"\
673     "paddw             %%mm7, %%mm0     \n\t"\
674     "paddw             %%mm7, %%mm6     \n\t"\
675     "paddw             %%mm7, %%mm3     \n\t"\
676     /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
677     "packuswb          %%mm0, %%mm2     \n\t"\
678     "packuswb          %%mm6, %%mm5     \n\t"\
679     "packuswb          %%mm3, %%mm4     \n\t"\
680     "pxor              %%mm7, %%mm7     \n\t"
681 #define YSCALEYUV2RGB1b(index, c)  REAL_YSCALEYUV2RGB1b(index, c)
682
683 #define REAL_WRITEBGR32(dst, dstw, index) \
684     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
685     "movq      %%mm2, %%mm1     \n\t" /* B */\
686     "movq      %%mm5, %%mm6     \n\t" /* R */\
687     "punpcklbw %%mm4, %%mm2     \n\t" /* GBGBGBGB 0 */\
688     "punpcklbw %%mm7, %%mm5     \n\t" /* 0R0R0R0R 0 */\
689     "punpckhbw %%mm4, %%mm1     \n\t" /* GBGBGBGB 2 */\
690     "punpckhbw %%mm7, %%mm6     \n\t" /* 0R0R0R0R 2 */\
691     "movq      %%mm2, %%mm0     \n\t" /* GBGBGBGB 0 */\
692     "movq      %%mm1, %%mm3     \n\t" /* GBGBGBGB 2 */\
693     "punpcklwd %%mm5, %%mm0     \n\t" /* 0RGB0RGB 0 */\
694     "punpckhwd %%mm5, %%mm2     \n\t" /* 0RGB0RGB 1 */\
695     "punpcklwd %%mm6, %%mm1     \n\t" /* 0RGB0RGB 2 */\
696     "punpckhwd %%mm6, %%mm3     \n\t" /* 0RGB0RGB 3 */\
697 \
698     MOVNTQ(%%mm0,   (dst, index, 4))\
699     MOVNTQ(%%mm2,  8(dst, index, 4))\
700     MOVNTQ(%%mm1, 16(dst, index, 4))\
701     MOVNTQ(%%mm3, 24(dst, index, 4))\
702 \
703     "add      $8, "#index"      \n\t"\
704     "cmp "#dstw", "#index"      \n\t"\
705     " jb      1b                \n\t"
706 #define WRITEBGR32(dst, dstw, index)  REAL_WRITEBGR32(dst, dstw, index)
707
708 #define REAL_WRITERGB16(dst, dstw, index) \
709     "pand "MANGLE(bF8)", %%mm2  \n\t" /* B */\
710     "pand "MANGLE(bFC)", %%mm4  \n\t" /* G */\
711     "pand "MANGLE(bF8)", %%mm5  \n\t" /* R */\
712     "psrlq           $3, %%mm2  \n\t"\
713 \
714     "movq         %%mm2, %%mm1  \n\t"\
715     "movq         %%mm4, %%mm3  \n\t"\
716 \
717     "punpcklbw    %%mm7, %%mm3  \n\t"\
718     "punpcklbw    %%mm5, %%mm2  \n\t"\
719     "punpckhbw    %%mm7, %%mm4  \n\t"\
720     "punpckhbw    %%mm5, %%mm1  \n\t"\
721 \
722     "psllq           $3, %%mm3  \n\t"\
723     "psllq           $3, %%mm4  \n\t"\
724 \
725     "por          %%mm3, %%mm2  \n\t"\
726     "por          %%mm4, %%mm1  \n\t"\
727 \
728     MOVNTQ(%%mm2,  (dst, index, 2))\
729     MOVNTQ(%%mm1, 8(dst, index, 2))\
730 \
731     "add             $8, "#index"   \n\t"\
732     "cmp        "#dstw", "#index"   \n\t"\
733     " jb             1b             \n\t"
734 #define WRITERGB16(dst, dstw, index)  REAL_WRITERGB16(dst, dstw, index)
735
736 #define REAL_WRITERGB15(dst, dstw, index) \
737     "pand "MANGLE(bF8)", %%mm2  \n\t" /* B */\
738     "pand "MANGLE(bF8)", %%mm4  \n\t" /* G */\
739     "pand "MANGLE(bF8)", %%mm5  \n\t" /* R */\
740     "psrlq           $3, %%mm2  \n\t"\
741     "psrlq           $1, %%mm5  \n\t"\
742 \
743     "movq         %%mm2, %%mm1  \n\t"\
744     "movq         %%mm4, %%mm3  \n\t"\
745 \
746     "punpcklbw    %%mm7, %%mm3  \n\t"\
747     "punpcklbw    %%mm5, %%mm2  \n\t"\
748     "punpckhbw    %%mm7, %%mm4  \n\t"\
749     "punpckhbw    %%mm5, %%mm1  \n\t"\
750 \
751     "psllq           $2, %%mm3  \n\t"\
752     "psllq           $2, %%mm4  \n\t"\
753 \
754     "por          %%mm3, %%mm2  \n\t"\
755     "por          %%mm4, %%mm1  \n\t"\
756 \
757     MOVNTQ(%%mm2,  (dst, index, 2))\
758     MOVNTQ(%%mm1, 8(dst, index, 2))\
759 \
760     "add             $8, "#index"   \n\t"\
761     "cmp        "#dstw", "#index"   \n\t"\
762     " jb             1b             \n\t"
763 #define WRITERGB15(dst, dstw, index)  REAL_WRITERGB15(dst, dstw, index)
764
765 #define WRITEBGR24OLD(dst, dstw, index) \
766     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
767     "movq      %%mm2, %%mm1             \n\t" /* B */\
768     "movq      %%mm5, %%mm6             \n\t" /* R */\
769     "punpcklbw %%mm4, %%mm2             \n\t" /* GBGBGBGB 0 */\
770     "punpcklbw %%mm7, %%mm5             \n\t" /* 0R0R0R0R 0 */\
771     "punpckhbw %%mm4, %%mm1             \n\t" /* GBGBGBGB 2 */\
772     "punpckhbw %%mm7, %%mm6             \n\t" /* 0R0R0R0R 2 */\
773     "movq      %%mm2, %%mm0             \n\t" /* GBGBGBGB 0 */\
774     "movq      %%mm1, %%mm3             \n\t" /* GBGBGBGB 2 */\
775     "punpcklwd %%mm5, %%mm0             \n\t" /* 0RGB0RGB 0 */\
776     "punpckhwd %%mm5, %%mm2             \n\t" /* 0RGB0RGB 1 */\
777     "punpcklwd %%mm6, %%mm1             \n\t" /* 0RGB0RGB 2 */\
778     "punpckhwd %%mm6, %%mm3             \n\t" /* 0RGB0RGB 3 */\
779 \
780     "movq      %%mm0, %%mm4             \n\t" /* 0RGB0RGB 0 */\
781     "psrlq        $8, %%mm0             \n\t" /* 00RGB0RG 0 */\
782     "pand "MANGLE(bm00000111)", %%mm4   \n\t" /* 00000RGB 0 */\
783     "pand "MANGLE(bm11111000)", %%mm0   \n\t" /* 00RGB000 0.5 */\
784     "por       %%mm4, %%mm0             \n\t" /* 00RGBRGB 0 */\
785     "movq      %%mm2, %%mm4             \n\t" /* 0RGB0RGB 1 */\
786     "psllq       $48, %%mm2             \n\t" /* GB000000 1 */\
787     "por       %%mm2, %%mm0             \n\t" /* GBRGBRGB 0 */\
788 \
789     "movq      %%mm4, %%mm2             \n\t" /* 0RGB0RGB 1 */\
790     "psrld       $16, %%mm4             \n\t" /* 000R000R 1 */\
791     "psrlq       $24, %%mm2             \n\t" /* 0000RGB0 1.5 */\
792     "por       %%mm4, %%mm2             \n\t" /* 000RRGBR 1 */\
793     "pand "MANGLE(bm00001111)", %%mm2   \n\t" /* 0000RGBR 1 */\
794     "movq      %%mm1, %%mm4             \n\t" /* 0RGB0RGB 2 */\
795     "psrlq        $8, %%mm1             \n\t" /* 00RGB0RG 2 */\
796     "pand "MANGLE(bm00000111)", %%mm4   \n\t" /* 00000RGB 2 */\
797     "pand "MANGLE(bm11111000)", %%mm1   \n\t" /* 00RGB000 2.5 */\
798     "por       %%mm4, %%mm1             \n\t" /* 00RGBRGB 2 */\
799     "movq      %%mm1, %%mm4             \n\t" /* 00RGBRGB 2 */\
800     "psllq       $32, %%mm1             \n\t" /* BRGB0000 2 */\
801     "por       %%mm1, %%mm2             \n\t" /* BRGBRGBR 1 */\
802 \
803     "psrlq       $32, %%mm4             \n\t" /* 000000RG 2.5 */\
804     "movq      %%mm3, %%mm5             \n\t" /* 0RGB0RGB 3 */\
805     "psrlq        $8, %%mm3             \n\t" /* 00RGB0RG 3 */\
806     "pand "MANGLE(bm00000111)", %%mm5   \n\t" /* 00000RGB 3 */\
807     "pand "MANGLE(bm11111000)", %%mm3   \n\t" /* 00RGB000 3.5 */\
808     "por       %%mm5, %%mm3             \n\t" /* 00RGBRGB 3 */\
809     "psllq       $16, %%mm3             \n\t" /* RGBRGB00 3 */\
810     "por       %%mm4, %%mm3             \n\t" /* RGBRGBRG 2.5 */\
811 \
812     MOVNTQ(%%mm0,   (dst))\
813     MOVNTQ(%%mm2,  8(dst))\
814     MOVNTQ(%%mm3, 16(dst))\
815     "add         $24, "#dst"            \n\t"\
816 \
817     "add          $8, "#index"          \n\t"\
818     "cmp     "#dstw", "#index"          \n\t"\
819     " jb          1b                    \n\t"
820
821 #define WRITEBGR24MMX(dst, dstw, index) \
822     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
823     "movq      %%mm2, %%mm1     \n\t" /* B */\
824     "movq      %%mm5, %%mm6     \n\t" /* R */\
825     "punpcklbw %%mm4, %%mm2     \n\t" /* GBGBGBGB 0 */\
826     "punpcklbw %%mm7, %%mm5     \n\t" /* 0R0R0R0R 0 */\
827     "punpckhbw %%mm4, %%mm1     \n\t" /* GBGBGBGB 2 */\
828     "punpckhbw %%mm7, %%mm6     \n\t" /* 0R0R0R0R 2 */\
829     "movq      %%mm2, %%mm0     \n\t" /* GBGBGBGB 0 */\
830     "movq      %%mm1, %%mm3     \n\t" /* GBGBGBGB 2 */\
831     "punpcklwd %%mm5, %%mm0     \n\t" /* 0RGB0RGB 0 */\
832     "punpckhwd %%mm5, %%mm2     \n\t" /* 0RGB0RGB 1 */\
833     "punpcklwd %%mm6, %%mm1     \n\t" /* 0RGB0RGB 2 */\
834     "punpckhwd %%mm6, %%mm3     \n\t" /* 0RGB0RGB 3 */\
835 \
836     "movq      %%mm0, %%mm4     \n\t" /* 0RGB0RGB 0 */\
837     "movq      %%mm2, %%mm6     \n\t" /* 0RGB0RGB 1 */\
838     "movq      %%mm1, %%mm5     \n\t" /* 0RGB0RGB 2 */\
839     "movq      %%mm3, %%mm7     \n\t" /* 0RGB0RGB 3 */\
840 \
841     "psllq       $40, %%mm0     \n\t" /* RGB00000 0 */\
842     "psllq       $40, %%mm2     \n\t" /* RGB00000 1 */\
843     "psllq       $40, %%mm1     \n\t" /* RGB00000 2 */\
844     "psllq       $40, %%mm3     \n\t" /* RGB00000 3 */\
845 \
846     "punpckhdq %%mm4, %%mm0     \n\t" /* 0RGBRGB0 0 */\
847     "punpckhdq %%mm6, %%mm2     \n\t" /* 0RGBRGB0 1 */\
848     "punpckhdq %%mm5, %%mm1     \n\t" /* 0RGBRGB0 2 */\
849     "punpckhdq %%mm7, %%mm3     \n\t" /* 0RGBRGB0 3 */\
850 \
851     "psrlq        $8, %%mm0     \n\t" /* 00RGBRGB 0 */\
852     "movq      %%mm2, %%mm6     \n\t" /* 0RGBRGB0 1 */\
853     "psllq       $40, %%mm2     \n\t" /* GB000000 1 */\
854     "por       %%mm2, %%mm0     \n\t" /* GBRGBRGB 0 */\
855     MOVNTQ(%%mm0, (dst))\
856 \
857     "psrlq       $24, %%mm6     \n\t" /* 0000RGBR 1 */\
858     "movq      %%mm1, %%mm5     \n\t" /* 0RGBRGB0 2 */\
859     "psllq       $24, %%mm1     \n\t" /* BRGB0000 2 */\
860     "por       %%mm1, %%mm6     \n\t" /* BRGBRGBR 1 */\
861     MOVNTQ(%%mm6, 8(dst))\
862 \
863     "psrlq       $40, %%mm5     \n\t" /* 000000RG 2 */\
864     "psllq        $8, %%mm3     \n\t" /* RGBRGB00 3 */\
865     "por       %%mm3, %%mm5     \n\t" /* RGBRGBRG 2 */\
866     MOVNTQ(%%mm5, 16(dst))\
867 \
868     "add         $24, "#dst"    \n\t"\
869 \
870     "add          $8, "#index"  \n\t"\
871     "cmp     "#dstw", "#index"  \n\t"\
872     " jb          1b            \n\t"
873
874 #define WRITEBGR24MMX2(dst, dstw, index) \
875     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
876     "movq "MANGLE(ff_M24A)", %%mm0 \n\t"\
877     "movq "MANGLE(ff_M24C)", %%mm7 \n\t"\
878     "pshufw $0x50, %%mm2, %%mm1 \n\t" /* B3 B2 B3 B2  B1 B0 B1 B0 */\
879     "pshufw $0x50, %%mm4, %%mm3 \n\t" /* G3 G2 G3 G2  G1 G0 G1 G0 */\
880     "pshufw $0x00, %%mm5, %%mm6 \n\t" /* R1 R0 R1 R0  R1 R0 R1 R0 */\
881 \
882     "pand   %%mm0, %%mm1        \n\t" /*    B2        B1       B0 */\
883     "pand   %%mm0, %%mm3        \n\t" /*    G2        G1       G0 */\
884     "pand   %%mm7, %%mm6        \n\t" /*       R1        R0       */\
885 \
886     "psllq     $8, %%mm3        \n\t" /* G2        G1       G0    */\
887     "por    %%mm1, %%mm6        \n\t"\
888     "por    %%mm3, %%mm6        \n\t"\
889     MOVNTQ(%%mm6, (dst))\
890 \
891     "psrlq     $8, %%mm4        \n\t" /* 00 G7 G6 G5  G4 G3 G2 G1 */\
892     "pshufw $0xA5, %%mm2, %%mm1 \n\t" /* B5 B4 B5 B4  B3 B2 B3 B2 */\
893     "pshufw $0x55, %%mm4, %%mm3 \n\t" /* G4 G3 G4 G3  G4 G3 G4 G3 */\
894     "pshufw $0xA5, %%mm5, %%mm6 \n\t" /* R5 R4 R5 R4  R3 R2 R3 R2 */\
895 \
896     "pand "MANGLE(ff_M24B)", %%mm1 \n\t" /* B5       B4        B3    */\
897     "pand   %%mm7, %%mm3        \n\t" /*       G4        G3       */\
898     "pand   %%mm0, %%mm6        \n\t" /*    R4        R3       R2 */\
899 \
900     "por    %%mm1, %%mm3        \n\t" /* B5    G4 B4     G3 B3    */\
901     "por    %%mm3, %%mm6        \n\t"\
902     MOVNTQ(%%mm6, 8(dst))\
903 \
904     "pshufw $0xFF, %%mm2, %%mm1 \n\t" /* B7 B6 B7 B6  B7 B6 B6 B7 */\
905     "pshufw $0xFA, %%mm4, %%mm3 \n\t" /* 00 G7 00 G7  G6 G5 G6 G5 */\
906     "pshufw $0xFA, %%mm5, %%mm6 \n\t" /* R7 R6 R7 R6  R5 R4 R5 R4 */\
907 \
908     "pand   %%mm7, %%mm1        \n\t" /*       B7        B6       */\
909     "pand   %%mm0, %%mm3        \n\t" /*    G7        G6       G5 */\
910     "pand "MANGLE(ff_M24B)", %%mm6 \n\t" /* R7       R6        R5    */\
911 \
912     "por    %%mm1, %%mm3        \n\t"\
913     "por    %%mm3, %%mm6        \n\t"\
914     MOVNTQ(%%mm6, 16(dst))\
915 \
916     "add      $24, "#dst"       \n\t"\
917 \
918     "add       $8, "#index"     \n\t"\
919     "cmp  "#dstw", "#index"     \n\t"\
920     " jb       1b               \n\t"
921
922 #ifdef HAVE_MMX2
923 #undef WRITEBGR24
924 #define WRITEBGR24(dst, dstw, index)  WRITEBGR24MMX2(dst, dstw, index)
925 #else
926 #undef WRITEBGR24
927 #define WRITEBGR24(dst, dstw, index)  WRITEBGR24MMX(dst, dstw, index)
928 #endif
929
930 #define REAL_WRITEYUY2(dst, dstw, index) \
931     "packuswb  %%mm3, %%mm3     \n\t"\
932     "packuswb  %%mm4, %%mm4     \n\t"\
933     "packuswb  %%mm7, %%mm1     \n\t"\
934     "punpcklbw %%mm4, %%mm3     \n\t"\
935     "movq      %%mm1, %%mm7     \n\t"\
936     "punpcklbw %%mm3, %%mm1     \n\t"\
937     "punpckhbw %%mm3, %%mm7     \n\t"\
938 \
939     MOVNTQ(%%mm1, (dst, index, 2))\
940     MOVNTQ(%%mm7, 8(dst, index, 2))\
941 \
942     "add          $8, "#index"  \n\t"\
943     "cmp     "#dstw", "#index"  \n\t"\
944     " jb          1b            \n\t"
945 #define WRITEYUY2(dst, dstw, index)  REAL_WRITEYUY2(dst, dstw, index)
946
947
948 static inline void RENAME(yuv2yuvX)(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
949                                     int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
950                                     uint8_t *dest, uint8_t *uDest, uint8_t *vDest, long dstW, long chrDstW)
951 {
952 #ifdef HAVE_MMX
953     if (c->flags & SWS_ACCURATE_RND){
954         if (uDest){
955             YSCALEYUV2YV12X_ACCURATE(   "0", CHR_MMX_FILTER_OFFSET, uDest, chrDstW)
956             YSCALEYUV2YV12X_ACCURATE(AV_STRINGIFY(VOF), CHR_MMX_FILTER_OFFSET, vDest, chrDstW)
957         }
958
959         YSCALEYUV2YV12X_ACCURATE("0", LUM_MMX_FILTER_OFFSET, dest, dstW)
960     }else{
961         if (uDest){
962             YSCALEYUV2YV12X(   "0", CHR_MMX_FILTER_OFFSET, uDest, chrDstW)
963             YSCALEYUV2YV12X(AV_STRINGIFY(VOF), CHR_MMX_FILTER_OFFSET, vDest, chrDstW)
964         }
965
966         YSCALEYUV2YV12X("0", LUM_MMX_FILTER_OFFSET, dest, dstW)
967     }
968 #else
969 #ifdef HAVE_ALTIVEC
970 yuv2yuvX_altivec_real(lumFilter, lumSrc, lumFilterSize,
971                       chrFilter, chrSrc, chrFilterSize,
972                       dest, uDest, vDest, dstW, chrDstW);
973 #else //HAVE_ALTIVEC
974 yuv2yuvXinC(lumFilter, lumSrc, lumFilterSize,
975             chrFilter, chrSrc, chrFilterSize,
976             dest, uDest, vDest, dstW, chrDstW);
977 #endif //!HAVE_ALTIVEC
978 #endif /* HAVE_MMX */
979 }
980
981 static inline void RENAME(yuv2nv12X)(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
982                                      int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
983                                      uint8_t *dest, uint8_t *uDest, int dstW, int chrDstW, int dstFormat)
984 {
985 yuv2nv12XinC(lumFilter, lumSrc, lumFilterSize,
986              chrFilter, chrSrc, chrFilterSize,
987              dest, uDest, dstW, chrDstW, dstFormat);
988 }
989
990 static inline void RENAME(yuv2yuv1)(SwsContext *c, int16_t *lumSrc, int16_t *chrSrc,
991                                     uint8_t *dest, uint8_t *uDest, uint8_t *vDest, long dstW, long chrDstW)
992 {
993 #ifdef HAVE_MMX
994     long p= uDest ? 3 : 1;
995     uint8_t *src[3]= {lumSrc + dstW, chrSrc + chrDstW, chrSrc + VOFW + chrDstW};
996     uint8_t *dst[3]= {dest, uDest, vDest};
997     long counter[3] = {dstW, chrDstW, chrDstW};
998
999     if (c->flags & SWS_ACCURATE_RND){
1000         while(p--){
1001             asm volatile(
1002                 YSCALEYUV2YV121_ACCURATE
1003                 :: "r" (src[p]), "r" (dst[p] + counter[p]),
1004                 "g" (-counter[p])
1005                 : "%"REG_a
1006             );
1007         }
1008     }else{
1009         while(p--){
1010             asm volatile(
1011                 YSCALEYUV2YV121
1012                 :: "r" (src[p]), "r" (dst[p] + counter[p]),
1013                 "g" (-counter[p])
1014                 : "%"REG_a
1015             );
1016         }
1017     }
1018
1019 #else
1020     int i;
1021     for (i=0; i<dstW; i++)
1022     {
1023         int val= (lumSrc[i]+64)>>7;
1024
1025         if (val&256){
1026             if (val<0) val=0;
1027             else       val=255;
1028         }
1029
1030         dest[i]= val;
1031     }
1032
1033     if (uDest)
1034         for (i=0; i<chrDstW; i++)
1035         {
1036             int u=(chrSrc[i       ]+64)>>7;
1037             int v=(chrSrc[i + VOFW]+64)>>7;
1038
1039             if ((u|v)&256){
1040                 if (u<0)        u=0;
1041                 else if (u>255) u=255;
1042                 if (v<0)        v=0;
1043                 else if (v>255) v=255;
1044             }
1045
1046             uDest[i]= u;
1047             vDest[i]= v;
1048         }
1049 #endif
1050 }
1051
1052
1053 /**
1054  * vertical scale YV12 to RGB
1055  */
1056 static inline void RENAME(yuv2packedX)(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
1057                                        int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
1058                                        uint8_t *dest, long dstW, long dstY)
1059 {
1060 #ifdef HAVE_MMX
1061     long dummy=0;
1062     if (c->flags & SWS_ACCURATE_RND){
1063         switch(c->dstFormat){
1064         case PIX_FMT_RGB32:
1065             YSCALEYUV2PACKEDX_ACCURATE
1066             YSCALEYUV2RGBX
1067             WRITEBGR32(%4, %5, %%REGa)
1068
1069             YSCALEYUV2PACKEDX_END
1070             return;
1071         case PIX_FMT_BGR24:
1072             YSCALEYUV2PACKEDX_ACCURATE
1073             YSCALEYUV2RGBX
1074             "lea (%%"REG_a", %%"REG_a", 2), %%"REG_c"\n\t" //FIXME optimize
1075             "add %4, %%"REG_c"                        \n\t"
1076             WRITEBGR24(%%REGc, %5, %%REGa)
1077
1078
1079             :: "r" (&c->redDither),
1080                "m" (dummy), "m" (dummy), "m" (dummy),
1081                "r" (dest), "m" (dstW)
1082             : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S
1083             );
1084             return;
1085         case PIX_FMT_RGB555:
1086             YSCALEYUV2PACKEDX_ACCURATE
1087             YSCALEYUV2RGBX
1088             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1089 #ifdef DITHER1XBPP
1090             "paddusb "MANGLE(b5Dither)", %%mm2\n\t"
1091             "paddusb "MANGLE(g5Dither)", %%mm4\n\t"
1092             "paddusb "MANGLE(r5Dither)", %%mm5\n\t"
1093 #endif
1094
1095             WRITERGB15(%4, %5, %%REGa)
1096             YSCALEYUV2PACKEDX_END
1097             return;
1098         case PIX_FMT_RGB565:
1099             YSCALEYUV2PACKEDX_ACCURATE
1100             YSCALEYUV2RGBX
1101             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1102 #ifdef DITHER1XBPP
1103             "paddusb "MANGLE(b5Dither)", %%mm2\n\t"
1104             "paddusb "MANGLE(g6Dither)", %%mm4\n\t"
1105             "paddusb "MANGLE(r5Dither)", %%mm5\n\t"
1106 #endif
1107
1108             WRITERGB16(%4, %5, %%REGa)
1109             YSCALEYUV2PACKEDX_END
1110             return;
1111         case PIX_FMT_YUYV422:
1112             YSCALEYUV2PACKEDX_ACCURATE
1113             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1114
1115             "psraw $3, %%mm3    \n\t"
1116             "psraw $3, %%mm4    \n\t"
1117             "psraw $3, %%mm1    \n\t"
1118             "psraw $3, %%mm7    \n\t"
1119             WRITEYUY2(%4, %5, %%REGa)
1120             YSCALEYUV2PACKEDX_END
1121             return;
1122     }
1123     }else{
1124         switch(c->dstFormat)
1125         {
1126         case PIX_FMT_RGB32:
1127             YSCALEYUV2PACKEDX
1128             YSCALEYUV2RGBX
1129             WRITEBGR32(%4, %5, %%REGa)
1130             YSCALEYUV2PACKEDX_END
1131             return;
1132         case PIX_FMT_BGR24:
1133             YSCALEYUV2PACKEDX
1134             YSCALEYUV2RGBX
1135             "lea (%%"REG_a", %%"REG_a", 2), %%"REG_c"   \n\t" //FIXME optimize
1136             "add                        %4, %%"REG_c"   \n\t"
1137             WRITEBGR24(%%REGc, %5, %%REGa)
1138
1139             :: "r" (&c->redDither),
1140                "m" (dummy), "m" (dummy), "m" (dummy),
1141                "r" (dest),  "m" (dstW)
1142             : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S
1143             );
1144             return;
1145         case PIX_FMT_RGB555:
1146             YSCALEYUV2PACKEDX
1147             YSCALEYUV2RGBX
1148             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1149 #ifdef DITHER1XBPP
1150             "paddusb "MANGLE(b5Dither)", %%mm2  \n\t"
1151             "paddusb "MANGLE(g5Dither)", %%mm4  \n\t"
1152             "paddusb "MANGLE(r5Dither)", %%mm5  \n\t"
1153 #endif
1154
1155             WRITERGB15(%4, %5, %%REGa)
1156             YSCALEYUV2PACKEDX_END
1157             return;
1158         case PIX_FMT_RGB565:
1159             YSCALEYUV2PACKEDX
1160             YSCALEYUV2RGBX
1161             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1162 #ifdef DITHER1XBPP
1163             "paddusb "MANGLE(b5Dither)", %%mm2  \n\t"
1164             "paddusb "MANGLE(g6Dither)", %%mm4  \n\t"
1165             "paddusb "MANGLE(r5Dither)", %%mm5  \n\t"
1166 #endif
1167
1168             WRITERGB16(%4, %5, %%REGa)
1169             YSCALEYUV2PACKEDX_END
1170             return;
1171         case PIX_FMT_YUYV422:
1172             YSCALEYUV2PACKEDX
1173             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1174
1175             "psraw $3, %%mm3    \n\t"
1176             "psraw $3, %%mm4    \n\t"
1177             "psraw $3, %%mm1    \n\t"
1178             "psraw $3, %%mm7    \n\t"
1179             WRITEYUY2(%4, %5, %%REGa)
1180             YSCALEYUV2PACKEDX_END
1181             return;
1182         }
1183     }
1184 #endif /* HAVE_MMX */
1185 #ifdef HAVE_ALTIVEC
1186     /* The following list of supported dstFormat values should
1187        match what's found in the body of altivec_yuv2packedX() */
1188     if (c->dstFormat==PIX_FMT_ABGR  || c->dstFormat==PIX_FMT_BGRA  ||
1189         c->dstFormat==PIX_FMT_BGR24 || c->dstFormat==PIX_FMT_RGB24 ||
1190         c->dstFormat==PIX_FMT_RGBA  || c->dstFormat==PIX_FMT_ARGB)
1191             altivec_yuv2packedX (c, lumFilter, lumSrc, lumFilterSize,
1192                                  chrFilter, chrSrc, chrFilterSize,
1193                                  dest, dstW, dstY);
1194     else
1195 #endif
1196         yuv2packedXinC(c, lumFilter, lumSrc, lumFilterSize,
1197                        chrFilter, chrSrc, chrFilterSize,
1198                        dest, dstW, dstY);
1199 }
1200
1201 /**
1202  * vertical bilinear scale YV12 to RGB
1203  */
1204 static inline void RENAME(yuv2packed2)(SwsContext *c, uint16_t *buf0, uint16_t *buf1, uint16_t *uvbuf0, uint16_t *uvbuf1,
1205                           uint8_t *dest, int dstW, int yalpha, int uvalpha, int y)
1206 {
1207     int yalpha1=yalpha^4095;
1208     int uvalpha1=uvalpha^4095;
1209     int i;
1210
1211 #if 0 //isn't used
1212     if (flags&SWS_FULL_CHR_H_INT)
1213     {
1214         switch(dstFormat)
1215         {
1216 #ifdef HAVE_MMX
1217         case PIX_FMT_RGB32:
1218             asm volatile(
1219
1220
1221 FULL_YSCALEYUV2RGB
1222             "punpcklbw %%mm1, %%mm3    \n\t" // BGBGBGBG
1223             "punpcklbw %%mm7, %%mm0    \n\t" // R0R0R0R0
1224
1225             "movq      %%mm3, %%mm1    \n\t"
1226             "punpcklwd %%mm0, %%mm3    \n\t" // BGR0BGR0
1227             "punpckhwd %%mm0, %%mm1    \n\t" // BGR0BGR0
1228
1229             MOVNTQ(%%mm3,  (%4, %%REGa, 4))
1230             MOVNTQ(%%mm1, 8(%4, %%REGa, 4))
1231
1232             "add $4, %%"REG_a"  \n\t"
1233             "cmp %5, %%"REG_a"  \n\t"
1234             " jb 1b             \n\t"
1235
1236             :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" ((long)dstW),
1237             "m" (yalpha1), "m" (uvalpha1)
1238             : "%"REG_a
1239             );
1240             break;
1241         case PIX_FMT_BGR24:
1242             asm volatile(
1243
1244 FULL_YSCALEYUV2RGB
1245
1246                                               // lsb ... msb
1247             "punpcklbw %%mm1, %%mm3     \n\t" // BGBGBGBG
1248             "punpcklbw %%mm7, %%mm0     \n\t" // R0R0R0R0
1249
1250             "movq      %%mm3, %%mm1     \n\t"
1251             "punpcklwd %%mm0, %%mm3     \n\t" // BGR0BGR0
1252             "punpckhwd %%mm0, %%mm1     \n\t" // BGR0BGR0
1253
1254             "movq      %%mm3, %%mm2     \n\t" // BGR0BGR0
1255             "psrlq        $8, %%mm3     \n\t" // GR0BGR00
1256             "pand "MANGLE(bm00000111)", %%mm2   \n\t" // BGR00000
1257             "pand "MANGLE(bm11111000)", %%mm3   \n\t" // 000BGR00
1258             "por       %%mm2, %%mm3     \n\t" // BGRBGR00
1259             "movq      %%mm1, %%mm2     \n\t"
1260             "psllq       $48, %%mm1     \n\t" // 000000BG
1261             "por       %%mm1, %%mm3     \n\t" // BGRBGRBG
1262
1263             "movq      %%mm2, %%mm1     \n\t" // BGR0BGR0
1264             "psrld       $16, %%mm2     \n\t" // R000R000
1265             "psrlq       $24, %%mm1     \n\t" // 0BGR0000
1266             "por       %%mm2, %%mm1     \n\t" // RBGRR000
1267
1268             "mov          %4, %%"REG_b" \n\t"
1269             "add   %%"REG_a", %%"REG_b" \n\t"
1270
1271 #ifdef HAVE_MMX2
1272             //FIXME Alignment
1273             "movntq %%mm3,  (%%"REG_b", %%"REG_a", 2)   \n\t"
1274             "movntq %%mm1, 8(%%"REG_b", %%"REG_a", 2)   \n\t"
1275 #else
1276             "movd %%mm3,  (%%"REG_b", %%"REG_a", 2)     \n\t"
1277             "psrlq  $32, %%mm3                          \n\t"
1278             "movd %%mm3, 4(%%"REG_b", %%"REG_a", 2)     \n\t"
1279             "movd %%mm1, 8(%%"REG_b", %%"REG_a", 2)     \n\t"
1280 #endif
1281             "add     $4, %%"REG_a"                      \n\t"
1282             "cmp     %5, %%"REG_a"                      \n\t"
1283             " jb     1b                                 \n\t"
1284
1285             :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "m" (dest), "m" (dstW),
1286             "m" (yalpha1), "m" (uvalpha1)
1287             : "%"REG_a, "%"REG_b
1288             );
1289             break;
1290         case PIX_FMT_BGR555:
1291             asm volatile(
1292
1293 FULL_YSCALEYUV2RGB
1294 #ifdef DITHER1XBPP
1295             "paddusb "MANGLE(g5Dither)", %%mm1  \n\t"
1296             "paddusb "MANGLE(r5Dither)", %%mm0  \n\t"
1297             "paddusb "MANGLE(b5Dither)", %%mm3  \n\t"
1298 #endif
1299             "punpcklbw            %%mm7, %%mm1  \n\t" // 0G0G0G0G
1300             "punpcklbw            %%mm7, %%mm3  \n\t" // 0B0B0B0B
1301             "punpcklbw            %%mm7, %%mm0  \n\t" // 0R0R0R0R
1302
1303             "psrlw                   $3, %%mm3  \n\t"
1304             "psllw                   $2, %%mm1  \n\t"
1305             "psllw                   $7, %%mm0  \n\t"
1306             "pand     "MANGLE(g15Mask)", %%mm1  \n\t"
1307             "pand     "MANGLE(r15Mask)", %%mm0  \n\t"
1308
1309             "por                  %%mm3, %%mm1  \n\t"
1310             "por                  %%mm1, %%mm0  \n\t"
1311
1312             MOVNTQ(%%mm0, (%4, %%REGa, 2))
1313
1314             "add $4, %%"REG_a"  \n\t"
1315             "cmp %5, %%"REG_a"  \n\t"
1316             " jb 1b             \n\t"
1317
1318             :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
1319             "m" (yalpha1), "m" (uvalpha1)
1320             : "%"REG_a
1321             );
1322             break;
1323         case PIX_FMT_BGR565:
1324             asm volatile(
1325
1326 FULL_YSCALEYUV2RGB
1327 #ifdef DITHER1XBPP
1328             "paddusb "MANGLE(g6Dither)", %%mm1  \n\t"
1329             "paddusb "MANGLE(r5Dither)", %%mm0  \n\t"
1330             "paddusb "MANGLE(b5Dither)", %%mm3  \n\t"
1331 #endif
1332             "punpcklbw            %%mm7, %%mm1  \n\t" // 0G0G0G0G
1333             "punpcklbw            %%mm7, %%mm3  \n\t" // 0B0B0B0B
1334             "punpcklbw            %%mm7, %%mm0  \n\t" // 0R0R0R0R
1335
1336             "psrlw                   $3, %%mm3  \n\t"
1337             "psllw                   $3, %%mm1  \n\t"
1338             "psllw                   $8, %%mm0  \n\t"
1339             "pand     "MANGLE(g16Mask)", %%mm1  \n\t"
1340             "pand     "MANGLE(r16Mask)", %%mm0  \n\t"
1341
1342             "por                  %%mm3, %%mm1  \n\t"
1343             "por                  %%mm1, %%mm0  \n\t"
1344
1345             MOVNTQ(%%mm0, (%4, %%REGa, 2))
1346
1347             "add $4, %%"REG_a"  \n\t"
1348             "cmp %5, %%"REG_a"  \n\t"
1349             " jb 1b             \n\t"
1350
1351             :: "r" (buf0), "r" (buf1), "r" (uvbuf0), "r" (uvbuf1), "r" (dest), "m" (dstW),
1352             "m" (yalpha1), "m" (uvalpha1)
1353             : "%"REG_a
1354             );
1355             break;
1356 #endif /* HAVE_MMX */
1357         case PIX_FMT_BGR32:
1358 #ifndef HAVE_MMX
1359         case PIX_FMT_RGB32:
1360 #endif
1361             if (dstFormat==PIX_FMT_RGB32)
1362             {
1363                 int i;
1364 #ifdef WORDS_BIGENDIAN
1365                 dest++;
1366 #endif
1367                 for (i=0;i<dstW;i++){
1368                     // vertical linear interpolation && yuv2rgb in a single step:
1369                     int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
1370                     int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);
1371                     int V=((uvbuf0[i+VOFW]*uvalpha1+uvbuf1[i+VOFW]*uvalpha)>>19);
1372                     dest[0]=clip_table[((Y + yuvtab_40cf[U]) >>13)];
1373                     dest[1]=clip_table[((Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13)];
1374                     dest[2]=clip_table[((Y + yuvtab_3343[V]) >>13)];
1375                     dest+= 4;
1376                 }
1377             }
1378             else if (dstFormat==PIX_FMT_BGR24)
1379             {
1380                 int i;
1381                 for (i=0;i<dstW;i++){
1382                     // vertical linear interpolation && yuv2rgb in a single step:
1383                     int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
1384                     int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);
1385                     int V=((uvbuf0[i+VOFW]*uvalpha1+uvbuf1[i+VOFW]*uvalpha)>>19);
1386                     dest[0]=clip_table[((Y + yuvtab_40cf[U]) >>13)];
1387                     dest[1]=clip_table[((Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13)];
1388                     dest[2]=clip_table[((Y + yuvtab_3343[V]) >>13)];
1389                     dest+= 3;
1390                 }
1391             }
1392             else if (dstFormat==PIX_FMT_BGR565)
1393             {
1394                 int i;
1395                 for (i=0;i<dstW;i++){
1396                     // vertical linear interpolation && yuv2rgb in a single step:
1397                     int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
1398                     int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);
1399                     int V=((uvbuf0[i+VOFW]*uvalpha1+uvbuf1[i+VOFW]*uvalpha)>>19);
1400
1401                     ((uint16_t*)dest)[i] =
1402                         clip_table16b[(Y + yuvtab_40cf[U]) >>13] |
1403                         clip_table16g[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13] |
1404                         clip_table16r[(Y + yuvtab_3343[V]) >>13];
1405                 }
1406             }
1407             else if (dstFormat==PIX_FMT_BGR555)
1408             {
1409                 int i;
1410                 for (i=0;i<dstW;i++){
1411                     // vertical linear interpolation && yuv2rgb in a single step:
1412                     int Y=yuvtab_2568[((buf0[i]*yalpha1+buf1[i]*yalpha)>>19)];
1413                     int U=((uvbuf0[i]*uvalpha1+uvbuf1[i]*uvalpha)>>19);
1414                     int V=((uvbuf0[i+VOFW]*uvalpha1+uvbuf1[i+VOFW]*uvalpha)>>19);
1415
1416                     ((uint16_t*)dest)[i] =
1417                         clip_table15b[(Y + yuvtab_40cf[U]) >>13] |
1418                         clip_table15g[(Y + yuvtab_1a1e[V] + yuvtab_0c92[U]) >>13] |
1419                         clip_table15r[(Y + yuvtab_3343[V]) >>13];
1420                 }
1421             }
1422         }//FULL_UV_IPOL
1423     else
1424     {
1425 #endif // if 0
1426 #ifdef HAVE_MMX
1427         switch(c->dstFormat)
1428         {
1429             //Note 8280 == DSTW_OFFSET but the preprocessor can't handle that there :(
1430             case PIX_FMT_RGB32:
1431                 asm volatile(
1432                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1433                 "mov        %4, %%"REG_b"               \n\t"
1434                 "push %%"REG_BP"                        \n\t"
1435                 YSCALEYUV2RGB(%%REGBP, %5)
1436                 WRITEBGR32(%%REGb, 8280(%5), %%REGBP)
1437                 "pop %%"REG_BP"                         \n\t"
1438                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1439
1440                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1441                 "a" (&c->redDither)
1442                 );
1443                 return;
1444             case PIX_FMT_BGR24:
1445                 asm volatile(
1446                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1447                 "mov        %4, %%"REG_b"               \n\t"
1448                 "push %%"REG_BP"                        \n\t"
1449                 YSCALEYUV2RGB(%%REGBP, %5)
1450                 WRITEBGR24(%%REGb, 8280(%5), %%REGBP)
1451                 "pop %%"REG_BP"                         \n\t"
1452                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1453                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1454                 "a" (&c->redDither)
1455                 );
1456                 return;
1457             case PIX_FMT_RGB555:
1458                 asm volatile(
1459                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1460                 "mov        %4, %%"REG_b"               \n\t"
1461                 "push %%"REG_BP"                        \n\t"
1462                 YSCALEYUV2RGB(%%REGBP, %5)
1463                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1464 #ifdef DITHER1XBPP
1465                 "paddusb "MANGLE(b5Dither)", %%mm2      \n\t"
1466                 "paddusb "MANGLE(g5Dither)", %%mm4      \n\t"
1467                 "paddusb "MANGLE(r5Dither)", %%mm5      \n\t"
1468 #endif
1469
1470                 WRITERGB15(%%REGb, 8280(%5), %%REGBP)
1471                 "pop %%"REG_BP"                         \n\t"
1472                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1473
1474                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1475                 "a" (&c->redDither)
1476                 );
1477                 return;
1478             case PIX_FMT_RGB565:
1479                 asm volatile(
1480                 "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1481                 "mov        %4, %%"REG_b"               \n\t"
1482                 "push %%"REG_BP"                        \n\t"
1483                 YSCALEYUV2RGB(%%REGBP, %5)
1484                 /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1485 #ifdef DITHER1XBPP
1486                 "paddusb "MANGLE(b5Dither)", %%mm2      \n\t"
1487                 "paddusb "MANGLE(g6Dither)", %%mm4      \n\t"
1488                 "paddusb "MANGLE(r5Dither)", %%mm5      \n\t"
1489 #endif
1490
1491                 WRITERGB16(%%REGb, 8280(%5), %%REGBP)
1492                 "pop %%"REG_BP"                         \n\t"
1493                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1494                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1495                 "a" (&c->redDither)
1496                 );
1497                 return;
1498             case PIX_FMT_YUYV422:
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                 YSCALEYUV2PACKED(%%REGBP, %5)
1504                 WRITEYUY2(%%REGb, 8280(%5), %%REGBP)
1505                 "pop %%"REG_BP"                         \n\t"
1506                 "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1507                 :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1508                 "a" (&c->redDither)
1509                 );
1510                 return;
1511             default: break;
1512         }
1513 #endif //HAVE_MMX
1514 YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB2_C, YSCALE_YUV_2_PACKED2_C)
1515 }
1516
1517 /**
1518  * YV12 to RGB without scaling or interpolating
1519  */
1520 static inline void RENAME(yuv2packed1)(SwsContext *c, uint16_t *buf0, uint16_t *uvbuf0, uint16_t *uvbuf1,
1521                           uint8_t *dest, int dstW, int uvalpha, int dstFormat, int flags, int y)
1522 {
1523     const int yalpha1=0;
1524     int i;
1525
1526     uint16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
1527     const int yalpha= 4096; //FIXME ...
1528
1529     if (flags&SWS_FULL_CHR_H_INT)
1530     {
1531         RENAME(yuv2packed2)(c, buf0, buf0, uvbuf0, uvbuf1, dest, dstW, 0, uvalpha, y);
1532         return;
1533     }
1534
1535 #ifdef HAVE_MMX
1536     if (uvalpha < 2048) // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster
1537     {
1538         switch(dstFormat)
1539         {
1540         case PIX_FMT_RGB32:
1541             asm volatile(
1542             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1543             "mov        %4, %%"REG_b"               \n\t"
1544             "push %%"REG_BP"                        \n\t"
1545             YSCALEYUV2RGB1(%%REGBP, %5)
1546             WRITEBGR32(%%REGb, 8280(%5), %%REGBP)
1547             "pop %%"REG_BP"                         \n\t"
1548             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1549
1550             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1551             "a" (&c->redDither)
1552             );
1553             return;
1554         case PIX_FMT_BGR24:
1555             asm volatile(
1556             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1557             "mov        %4, %%"REG_b"               \n\t"
1558             "push %%"REG_BP"                        \n\t"
1559             YSCALEYUV2RGB1(%%REGBP, %5)
1560             WRITEBGR24(%%REGb, 8280(%5), %%REGBP)
1561             "pop %%"REG_BP"                         \n\t"
1562             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1563
1564             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1565             "a" (&c->redDither)
1566             );
1567             return;
1568         case PIX_FMT_RGB555:
1569             asm volatile(
1570             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1571             "mov        %4, %%"REG_b"               \n\t"
1572             "push %%"REG_BP"                        \n\t"
1573             YSCALEYUV2RGB1(%%REGBP, %5)
1574             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1575 #ifdef DITHER1XBPP
1576             "paddusb "MANGLE(b5Dither)", %%mm2      \n\t"
1577             "paddusb "MANGLE(g5Dither)", %%mm4      \n\t"
1578             "paddusb "MANGLE(r5Dither)", %%mm5      \n\t"
1579 #endif
1580             WRITERGB15(%%REGb, 8280(%5), %%REGBP)
1581             "pop %%"REG_BP"                         \n\t"
1582             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1583
1584             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1585             "a" (&c->redDither)
1586             );
1587             return;
1588         case PIX_FMT_RGB565:
1589             asm volatile(
1590             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1591             "mov        %4, %%"REG_b"               \n\t"
1592             "push %%"REG_BP"                        \n\t"
1593             YSCALEYUV2RGB1(%%REGBP, %5)
1594             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1595 #ifdef DITHER1XBPP
1596             "paddusb "MANGLE(b5Dither)", %%mm2      \n\t"
1597             "paddusb "MANGLE(g6Dither)", %%mm4      \n\t"
1598             "paddusb "MANGLE(r5Dither)", %%mm5      \n\t"
1599 #endif
1600
1601             WRITERGB16(%%REGb, 8280(%5), %%REGBP)
1602             "pop %%"REG_BP"                         \n\t"
1603             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1604
1605             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1606             "a" (&c->redDither)
1607             );
1608             return;
1609         case PIX_FMT_YUYV422:
1610             asm volatile(
1611             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1612             "mov        %4, %%"REG_b"               \n\t"
1613             "push %%"REG_BP"                        \n\t"
1614             YSCALEYUV2PACKED1(%%REGBP, %5)
1615             WRITEYUY2(%%REGb, 8280(%5), %%REGBP)
1616             "pop %%"REG_BP"                         \n\t"
1617             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1618
1619             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1620             "a" (&c->redDither)
1621             );
1622             return;
1623         }
1624     }
1625     else
1626     {
1627         switch(dstFormat)
1628         {
1629         case PIX_FMT_RGB32:
1630             asm volatile(
1631             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1632             "mov        %4, %%"REG_b"               \n\t"
1633             "push %%"REG_BP"                        \n\t"
1634             YSCALEYUV2RGB1b(%%REGBP, %5)
1635             WRITEBGR32(%%REGb, 8280(%5), %%REGBP)
1636             "pop %%"REG_BP"                         \n\t"
1637             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1638
1639             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1640             "a" (&c->redDither)
1641             );
1642             return;
1643         case PIX_FMT_BGR24:
1644             asm volatile(
1645             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1646             "mov        %4, %%"REG_b"               \n\t"
1647             "push %%"REG_BP"                        \n\t"
1648             YSCALEYUV2RGB1b(%%REGBP, %5)
1649             WRITEBGR24(%%REGb, 8280(%5), %%REGBP)
1650             "pop %%"REG_BP"                         \n\t"
1651             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1652
1653             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1654             "a" (&c->redDither)
1655             );
1656             return;
1657         case PIX_FMT_RGB555:
1658             asm volatile(
1659             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1660             "mov        %4, %%"REG_b"               \n\t"
1661             "push %%"REG_BP"                        \n\t"
1662             YSCALEYUV2RGB1b(%%REGBP, %5)
1663             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1664 #ifdef DITHER1XBPP
1665             "paddusb "MANGLE(b5Dither)", %%mm2      \n\t"
1666             "paddusb "MANGLE(g5Dither)", %%mm4      \n\t"
1667             "paddusb "MANGLE(r5Dither)", %%mm5      \n\t"
1668 #endif
1669             WRITERGB15(%%REGb, 8280(%5), %%REGBP)
1670             "pop %%"REG_BP"                         \n\t"
1671             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1672
1673             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1674             "a" (&c->redDither)
1675             );
1676             return;
1677         case PIX_FMT_RGB565:
1678             asm volatile(
1679             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1680             "mov        %4, %%"REG_b"               \n\t"
1681             "push %%"REG_BP"                        \n\t"
1682             YSCALEYUV2RGB1b(%%REGBP, %5)
1683             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1684 #ifdef DITHER1XBPP
1685             "paddusb "MANGLE(b5Dither)", %%mm2      \n\t"
1686             "paddusb "MANGLE(g6Dither)", %%mm4      \n\t"
1687             "paddusb "MANGLE(r5Dither)", %%mm5      \n\t"
1688 #endif
1689
1690             WRITERGB16(%%REGb, 8280(%5), %%REGBP)
1691             "pop %%"REG_BP"                         \n\t"
1692             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1693
1694             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1695             "a" (&c->redDither)
1696             );
1697             return;
1698         case PIX_FMT_YUYV422:
1699             asm volatile(
1700             "mov %%"REG_b", "ESP_OFFSET"(%5)        \n\t"
1701             "mov        %4, %%"REG_b"               \n\t"
1702             "push %%"REG_BP"                        \n\t"
1703             YSCALEYUV2PACKED1b(%%REGBP, %5)
1704             WRITEYUY2(%%REGb, 8280(%5), %%REGBP)
1705             "pop %%"REG_BP"                         \n\t"
1706             "mov "ESP_OFFSET"(%5), %%"REG_b"        \n\t"
1707
1708             :: "c" (buf0), "d" (buf1), "S" (uvbuf0), "D" (uvbuf1), "m" (dest),
1709             "a" (&c->redDither)
1710             );
1711             return;
1712         }
1713     }
1714 #endif /* HAVE_MMX */
1715     if (uvalpha < 2048)
1716     {
1717         YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB1_C, YSCALE_YUV_2_PACKED1_C)
1718     }else{
1719         YSCALE_YUV_2_ANYRGB_C(YSCALE_YUV_2_RGB1B_C, YSCALE_YUV_2_PACKED1B_C)
1720     }
1721 }
1722
1723 //FIXME yuy2* can read up to 7 samples too much
1724
1725 static inline void RENAME(yuy2ToY)(uint8_t *dst, uint8_t *src, long width)
1726 {
1727 #ifdef HAVE_MMX
1728     asm volatile(
1729     "movq "MANGLE(bm01010101)", %%mm2           \n\t"
1730     "mov                    %0, %%"REG_a"       \n\t"
1731     "1:                                         \n\t"
1732     "movq    (%1, %%"REG_a",2), %%mm0           \n\t"
1733     "movq   8(%1, %%"REG_a",2), %%mm1           \n\t"
1734     "pand                %%mm2, %%mm0           \n\t"
1735     "pand                %%mm2, %%mm1           \n\t"
1736     "packuswb            %%mm1, %%mm0           \n\t"
1737     "movq                %%mm0, (%2, %%"REG_a") \n\t"
1738     "add                    $8, %%"REG_a"       \n\t"
1739     " js                    1b                  \n\t"
1740     : : "g" (-width), "r" (src+width*2), "r" (dst+width)
1741     : "%"REG_a
1742     );
1743 #else
1744     int i;
1745     for (i=0; i<width; i++)
1746         dst[i]= src[2*i];
1747 #endif
1748 }
1749
1750 static inline void RENAME(yuy2ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
1751 {
1752 #ifdef HAVE_MMX
1753     asm volatile(
1754     "movq "MANGLE(bm01010101)", %%mm4           \n\t"
1755     "mov                    %0, %%"REG_a"       \n\t"
1756     "1:                                         \n\t"
1757     "movq    (%1, %%"REG_a",4), %%mm0           \n\t"
1758     "movq   8(%1, %%"REG_a",4), %%mm1           \n\t"
1759     "psrlw                  $8, %%mm0           \n\t"
1760     "psrlw                  $8, %%mm1           \n\t"
1761     "packuswb            %%mm1, %%mm0           \n\t"
1762     "movq                %%mm0, %%mm1           \n\t"
1763     "psrlw                  $8, %%mm0           \n\t"
1764     "pand                %%mm4, %%mm1           \n\t"
1765     "packuswb            %%mm0, %%mm0           \n\t"
1766     "packuswb            %%mm1, %%mm1           \n\t"
1767     "movd                %%mm0, (%3, %%"REG_a") \n\t"
1768     "movd                %%mm1, (%2, %%"REG_a") \n\t"
1769     "add                    $4, %%"REG_a"       \n\t"
1770     " js                    1b                  \n\t"
1771     : : "g" (-width), "r" (src1+width*4), "r" (dstU+width), "r" (dstV+width)
1772     : "%"REG_a
1773     );
1774 #else
1775     int i;
1776     for (i=0; i<width; i++)
1777     {
1778         dstU[i]= src1[4*i + 1];
1779         dstV[i]= src1[4*i + 3];
1780     }
1781 #endif
1782     assert(src1 == src2);
1783 }
1784
1785 /* This is almost identical to the previous, end exists only because
1786  * yuy2ToY/UV)(dst, src+1, ...) would have 100% unaligned accesses. */
1787 static inline void RENAME(uyvyToY)(uint8_t *dst, uint8_t *src, long width)
1788 {
1789 #ifdef HAVE_MMX
1790     asm volatile(
1791     "mov                  %0, %%"REG_a"         \n\t"
1792     "1:                                         \n\t"
1793     "movq  (%1, %%"REG_a",2), %%mm0             \n\t"
1794     "movq 8(%1, %%"REG_a",2), %%mm1             \n\t"
1795     "psrlw                $8, %%mm0             \n\t"
1796     "psrlw                $8, %%mm1             \n\t"
1797     "packuswb          %%mm1, %%mm0             \n\t"
1798     "movq              %%mm0, (%2, %%"REG_a")   \n\t"
1799     "add                  $8, %%"REG_a"         \n\t"
1800     " js                  1b                    \n\t"
1801     : : "g" (-width), "r" (src+width*2), "r" (dst+width)
1802     : "%"REG_a
1803     );
1804 #else
1805     int i;
1806     for (i=0; i<width; i++)
1807         dst[i]= src[2*i+1];
1808 #endif
1809 }
1810
1811 static inline void RENAME(uyvyToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
1812 {
1813 #ifdef HAVE_MMX
1814     asm volatile(
1815     "movq "MANGLE(bm01010101)", %%mm4           \n\t"
1816     "mov                    %0, %%"REG_a"       \n\t"
1817     "1:                                         \n\t"
1818     "movq    (%1, %%"REG_a",4), %%mm0           \n\t"
1819     "movq   8(%1, %%"REG_a",4), %%mm1           \n\t"
1820     "pand                %%mm4, %%mm0           \n\t"
1821     "pand                %%mm4, %%mm1           \n\t"
1822     "packuswb            %%mm1, %%mm0           \n\t"
1823     "movq                %%mm0, %%mm1           \n\t"
1824     "psrlw                  $8, %%mm0           \n\t"
1825     "pand                %%mm4, %%mm1           \n\t"
1826     "packuswb            %%mm0, %%mm0           \n\t"
1827     "packuswb            %%mm1, %%mm1           \n\t"
1828     "movd                %%mm0, (%3, %%"REG_a") \n\t"
1829     "movd                %%mm1, (%2, %%"REG_a") \n\t"
1830     "add                    $4, %%"REG_a"       \n\t"
1831     " js                    1b                  \n\t"
1832     : : "g" (-width), "r" (src1+width*4), "r" (dstU+width), "r" (dstV+width)
1833     : "%"REG_a
1834     );
1835 #else
1836     int i;
1837     for (i=0; i<width; i++)
1838     {
1839         dstU[i]= src1[4*i + 0];
1840         dstV[i]= src1[4*i + 2];
1841     }
1842 #endif
1843     assert(src1 == src2);
1844 }
1845
1846 static inline void RENAME(bgr32ToY)(uint8_t *dst, uint8_t *src, int width)
1847 {
1848     int i;
1849     for (i=0; i<width; i++)
1850     {
1851         int b=  ((uint32_t*)src)[i]&0xFF;
1852         int g= (((uint32_t*)src)[i]>>8)&0xFF;
1853         int r= (((uint32_t*)src)[i]>>16)&0xFF;
1854
1855         dst[i]= ((RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);
1856     }
1857 }
1858
1859 static inline void RENAME(bgr32ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, int width)
1860 {
1861     int i;
1862     assert(src1 == src2);
1863     for (i=0; i<width; i++)
1864     {
1865         const int a= ((uint32_t*)src1)[2*i+0];
1866         const int e= ((uint32_t*)src1)[2*i+1];
1867         const int l= (a&0xFF00FF) + (e&0xFF00FF);
1868         const int h= (a&0x00FF00) + (e&0x00FF00);
1869         const int b=  l&0x3FF;
1870         const int g=  h>>8;
1871         const int r=  l>>16;
1872
1873         dstU[i]= ((RU*r + GU*g + BU*b)>>(RGB2YUV_SHIFT+1)) + 128;
1874         dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+1)) + 128;
1875     }
1876 }
1877
1878 static inline void RENAME(bgr24ToY)(uint8_t *dst, uint8_t *src, long width)
1879 {
1880 #ifdef HAVE_MMX
1881     asm volatile(
1882     "mov                        %2, %%"REG_a"   \n\t"
1883     "movq  "MANGLE(ff_bgr2YCoeff)", %%mm6       \n\t"
1884     "movq       "MANGLE(ff_w1111)", %%mm5       \n\t"
1885     "pxor                    %%mm7, %%mm7       \n\t"
1886     "lea (%%"REG_a", %%"REG_a", 2), %%"REG_d"   \n\t"
1887     ASMALIGN(4)
1888     "1:                                         \n\t"
1889     PREFETCH" 64(%0, %%"REG_d")                 \n\t"
1890     "movd          (%0, %%"REG_d"), %%mm0       \n\t"
1891     "movd         3(%0, %%"REG_d"), %%mm1       \n\t"
1892     "punpcklbw               %%mm7, %%mm0       \n\t"
1893     "punpcklbw               %%mm7, %%mm1       \n\t"
1894     "movd         6(%0, %%"REG_d"), %%mm2       \n\t"
1895     "movd         9(%0, %%"REG_d"), %%mm3       \n\t"
1896     "punpcklbw               %%mm7, %%mm2       \n\t"
1897     "punpcklbw               %%mm7, %%mm3       \n\t"
1898     "pmaddwd                 %%mm6, %%mm0       \n\t"
1899     "pmaddwd                 %%mm6, %%mm1       \n\t"
1900     "pmaddwd                 %%mm6, %%mm2       \n\t"
1901     "pmaddwd                 %%mm6, %%mm3       \n\t"
1902 #ifndef FAST_BGR2YV12
1903     "psrad                      $8, %%mm0       \n\t"
1904     "psrad                      $8, %%mm1       \n\t"
1905     "psrad                      $8, %%mm2       \n\t"
1906     "psrad                      $8, %%mm3       \n\t"
1907 #endif
1908     "packssdw                %%mm1, %%mm0       \n\t"
1909     "packssdw                %%mm3, %%mm2       \n\t"
1910     "pmaddwd                 %%mm5, %%mm0       \n\t"
1911     "pmaddwd                 %%mm5, %%mm2       \n\t"
1912     "packssdw                %%mm2, %%mm0       \n\t"
1913     "psraw                      $7, %%mm0       \n\t"
1914
1915     "movd        12(%0, %%"REG_d"), %%mm4       \n\t"
1916     "movd        15(%0, %%"REG_d"), %%mm1       \n\t"
1917     "punpcklbw               %%mm7, %%mm4       \n\t"
1918     "punpcklbw               %%mm7, %%mm1       \n\t"
1919     "movd        18(%0, %%"REG_d"), %%mm2       \n\t"
1920     "movd        21(%0, %%"REG_d"), %%mm3       \n\t"
1921     "punpcklbw               %%mm7, %%mm2       \n\t"
1922     "punpcklbw               %%mm7, %%mm3       \n\t"
1923     "pmaddwd                 %%mm6, %%mm4       \n\t"
1924     "pmaddwd                 %%mm6, %%mm1       \n\t"
1925     "pmaddwd                 %%mm6, %%mm2       \n\t"
1926     "pmaddwd                 %%mm6, %%mm3       \n\t"
1927 #ifndef FAST_BGR2YV12
1928     "psrad                      $8, %%mm4       \n\t"
1929     "psrad                      $8, %%mm1       \n\t"
1930     "psrad                      $8, %%mm2       \n\t"
1931     "psrad                      $8, %%mm3       \n\t"
1932 #endif
1933     "packssdw                %%mm1, %%mm4       \n\t"
1934     "packssdw                %%mm3, %%mm2       \n\t"
1935     "pmaddwd                 %%mm5, %%mm4       \n\t"
1936     "pmaddwd                 %%mm5, %%mm2       \n\t"
1937     "add                       $24, %%"REG_d"   \n\t"
1938     "packssdw                %%mm2, %%mm4       \n\t"
1939     "psraw                      $7, %%mm4       \n\t"
1940
1941     "packuswb                %%mm4, %%mm0       \n\t"
1942     "paddusb "MANGLE(ff_bgr2YOffset)", %%mm0    \n\t"
1943
1944     "movq                    %%mm0, (%1, %%"REG_a") \n\t"
1945     "add                        $8, %%"REG_a"   \n\t"
1946     " js                        1b              \n\t"
1947     : : "r" (src+width*3), "r" (dst+width), "g" (-width)
1948     : "%"REG_a, "%"REG_d
1949     );
1950 #else
1951     int i;
1952     for (i=0; i<width; i++)
1953     {
1954         int b= src[i*3+0];
1955         int g= src[i*3+1];
1956         int r= src[i*3+2];
1957
1958         dst[i]= ((RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);
1959     }
1960 #endif /* HAVE_MMX */
1961 }
1962
1963 static inline void RENAME(bgr24ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, long width)
1964 {
1965 #ifdef HAVE_MMX
1966     asm volatile(
1967     "mov                        %3, %%"REG_a"   \n\t"
1968     "movq       "MANGLE(ff_w1111)", %%mm5       \n\t"
1969     "movq  "MANGLE(ff_bgr2UCoeff)", %%mm6       \n\t"
1970     "pxor                    %%mm7, %%mm7       \n\t"
1971     "lea (%%"REG_a", %%"REG_a", 2), %%"REG_d"   \n\t"
1972     "add                 %%"REG_d", %%"REG_d"   \n\t"
1973     ASMALIGN(4)
1974     "1:                                         \n\t"
1975     PREFETCH" 64(%0, %%"REG_d")                 \n\t"
1976 #if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
1977     "movq          (%0, %%"REG_d"), %%mm0       \n\t"
1978     "movq         6(%0, %%"REG_d"), %%mm2       \n\t"
1979     "movq                    %%mm0, %%mm1       \n\t"
1980     "movq                    %%mm2, %%mm3       \n\t"
1981     "psrlq                     $24, %%mm0       \n\t"
1982     "psrlq                     $24, %%mm2       \n\t"
1983     PAVGB(%%mm1, %%mm0)
1984     PAVGB(%%mm3, %%mm2)
1985     "punpcklbw               %%mm7, %%mm0       \n\t"
1986     "punpcklbw               %%mm7, %%mm2       \n\t"
1987 #else
1988     "movd          (%0, %%"REG_d"), %%mm0       \n\t"
1989     "movd         3(%0, %%"REG_d"), %%mm2       \n\t"
1990     "punpcklbw               %%mm7, %%mm0       \n\t"
1991     "punpcklbw               %%mm7, %%mm2       \n\t"
1992     "paddw                   %%mm2, %%mm0       \n\t"
1993     "movd         6(%0, %%"REG_d"), %%mm4       \n\t"
1994     "movd         9(%0, %%"REG_d"), %%mm2       \n\t"
1995     "punpcklbw               %%mm7, %%mm4       \n\t"
1996     "punpcklbw               %%mm7, %%mm2       \n\t"
1997     "paddw                   %%mm4, %%mm2       \n\t"
1998     "psrlw                      $1, %%mm0       \n\t"
1999     "psrlw                      $1, %%mm2       \n\t"
2000 #endif
2001     "movq  "MANGLE(ff_bgr2VCoeff)", %%mm1       \n\t"
2002     "movq  "MANGLE(ff_bgr2VCoeff)", %%mm3       \n\t"
2003
2004     "pmaddwd                 %%mm0, %%mm1       \n\t"
2005     "pmaddwd                 %%mm2, %%mm3       \n\t"
2006     "pmaddwd                 %%mm6, %%mm0       \n\t"
2007     "pmaddwd                 %%mm6, %%mm2       \n\t"
2008 #ifndef FAST_BGR2YV12
2009     "psrad                      $8, %%mm0       \n\t"
2010     "psrad                      $8, %%mm1       \n\t"
2011     "psrad                      $8, %%mm2       \n\t"
2012     "psrad                      $8, %%mm3       \n\t"
2013 #endif
2014     "packssdw                %%mm2, %%mm0       \n\t"
2015     "packssdw                %%mm3, %%mm1       \n\t"
2016     "pmaddwd                 %%mm5, %%mm0       \n\t"
2017     "pmaddwd                 %%mm5, %%mm1       \n\t"
2018     "packssdw                %%mm1, %%mm0       \n\t" // V1 V0 U1 U0
2019     "psraw                      $7, %%mm0       \n\t"
2020
2021 #if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
2022     "movq       12(%0, %%"REG_d"), %%mm4       \n\t"
2023     "movq       18(%0, %%"REG_d"), %%mm2       \n\t"
2024     "movq                   %%mm4, %%mm1       \n\t"
2025     "movq                   %%mm2, %%mm3       \n\t"
2026     "psrlq                    $24, %%mm4       \n\t"
2027     "psrlq                    $24, %%mm2       \n\t"
2028     PAVGB(%%mm1, %%mm4)
2029     PAVGB(%%mm3, %%mm2)
2030     "punpcklbw              %%mm7, %%mm4       \n\t"
2031     "punpcklbw              %%mm7, %%mm2       \n\t"
2032 #else
2033     "movd       12(%0, %%"REG_d"), %%mm4       \n\t"
2034     "movd       15(%0, %%"REG_d"), %%mm2       \n\t"
2035     "punpcklbw              %%mm7, %%mm4       \n\t"
2036     "punpcklbw              %%mm7, %%mm2       \n\t"
2037     "paddw                  %%mm2, %%mm4       \n\t"
2038     "movd       18(%0, %%"REG_d"), %%mm5       \n\t"
2039     "movd       21(%0, %%"REG_d"), %%mm2       \n\t"
2040     "punpcklbw              %%mm7, %%mm5       \n\t"
2041     "punpcklbw              %%mm7, %%mm2       \n\t"
2042     "paddw                  %%mm5, %%mm2       \n\t"
2043     "movq      "MANGLE(ff_w1111)", %%mm5       \n\t"
2044     "psrlw                     $2, %%mm4       \n\t"
2045     "psrlw                     $2, %%mm2       \n\t"
2046 #endif
2047     "movq "MANGLE(ff_bgr2VCoeff)", %%mm1       \n\t"
2048     "movq "MANGLE(ff_bgr2VCoeff)", %%mm3       \n\t"
2049
2050     "pmaddwd                %%mm4, %%mm1       \n\t"
2051     "pmaddwd                %%mm2, %%mm3       \n\t"
2052     "pmaddwd                %%mm6, %%mm4       \n\t"
2053     "pmaddwd                %%mm6, %%mm2       \n\t"
2054 #ifndef FAST_BGR2YV12
2055     "psrad                     $8, %%mm4       \n\t"
2056     "psrad                     $8, %%mm1       \n\t"
2057     "psrad                     $8, %%mm2       \n\t"
2058     "psrad                     $8, %%mm3       \n\t"
2059 #endif
2060     "packssdw               %%mm2, %%mm4       \n\t"
2061     "packssdw               %%mm3, %%mm1       \n\t"
2062     "pmaddwd                %%mm5, %%mm4       \n\t"
2063     "pmaddwd                %%mm5, %%mm1       \n\t"
2064     "add                      $24, %%"REG_d"   \n\t"
2065     "packssdw               %%mm1, %%mm4       \n\t" // V3 V2 U3 U2
2066     "psraw                     $7, %%mm4       \n\t"
2067
2068     "movq                   %%mm0, %%mm1       \n\t"
2069     "punpckldq              %%mm4, %%mm0       \n\t"
2070     "punpckhdq              %%mm4, %%mm1       \n\t"
2071     "packsswb               %%mm1, %%mm0       \n\t"
2072     "paddb "MANGLE(ff_bgr2UVOffset)", %%mm0    \n\t"
2073
2074     "movd                   %%mm0, (%1, %%"REG_a")  \n\t"
2075     "punpckhdq              %%mm0, %%mm0            \n\t"
2076     "movd                   %%mm0, (%2, %%"REG_a")  \n\t"
2077     "add                       $4, %%"REG_a"        \n\t"
2078     " js                       1b                   \n\t"
2079     : : "r" (src1+width*6), "r" (dstU+width), "r" (dstV+width), "g" (-width)
2080     : "%"REG_a, "%"REG_d
2081     );
2082 #else
2083     int i;
2084     for (i=0; i<width; i++)
2085     {
2086         int b= src1[6*i + 0] + src1[6*i + 3];
2087         int g= src1[6*i + 1] + src1[6*i + 4];
2088         int r= src1[6*i + 2] + src1[6*i + 5];
2089
2090         dstU[i]= ((RU*r + GU*g + BU*b)>>(RGB2YUV_SHIFT+1)) + 128;
2091         dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+1)) + 128;
2092     }
2093 #endif /* HAVE_MMX */
2094     assert(src1 == src2);
2095 }
2096
2097 static inline void RENAME(rgb16ToY)(uint8_t *dst, uint8_t *src, int width)
2098 {
2099     int i;
2100     for (i=0; i<width; i++)
2101     {
2102         int d= ((uint16_t*)src)[i];
2103         int b= d&0x1F;
2104         int g= (d>>5)&0x3F;
2105         int r= (d>>11)&0x1F;
2106
2107         dst[i]= ((2*RY*r + GY*g + 2*BY*b)>>(RGB2YUV_SHIFT-2)) + 16;
2108     }
2109 }
2110
2111 static inline void RENAME(rgb16ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, int width)
2112 {
2113     int i;
2114     assert(src1==src2);
2115     for (i=0; i<width; i++)
2116     {
2117         int d0= ((uint32_t*)src1)[i];
2118
2119         int dl= (d0&0x07E0F81F);
2120         int dh= ((d0>>5)&0x07C0F83F);
2121
2122         int dh2= (dh>>11) + (dh<<21);
2123         int d= dh2 + dl;
2124
2125         int b= d&0x7F;
2126         int r= (d>>11)&0x7F;
2127         int g= d>>21;
2128         dstU[i]= ((2*RU*r + GU*g + 2*BU*b)>>(RGB2YUV_SHIFT+1-2)) + 128;
2129         dstV[i]= ((2*RV*r + GV*g + 2*BV*b)>>(RGB2YUV_SHIFT+1-2)) + 128;
2130     }
2131 }
2132
2133 static inline void RENAME(rgb15ToY)(uint8_t *dst, uint8_t *src, int width)
2134 {
2135     int i;
2136     for (i=0; i<width; i++)
2137     {
2138         int d= ((uint16_t*)src)[i];
2139         int b= d&0x1F;
2140         int g= (d>>5)&0x1F;
2141         int r= (d>>10)&0x1F;
2142
2143         dst[i]= ((RY*r + GY*g + BY*b)>>(RGB2YUV_SHIFT-3)) + 16;
2144     }
2145 }
2146
2147 static inline void RENAME(rgb15ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, int width)
2148 {
2149     int i;
2150     assert(src1==src2);
2151     for (i=0; i<width; i++)
2152     {
2153         int d0= ((uint32_t*)src1)[i];
2154
2155         int dl= (d0&0x03E07C1F);
2156         int dh= ((d0>>5)&0x03E0F81F);
2157
2158         int dh2= (dh>>11) + (dh<<21);
2159         int d= dh2 + dl;
2160
2161         int b= d&0x7F;
2162         int r= (d>>10)&0x7F;
2163         int g= d>>21;
2164         dstU[i]= ((RU*r + GU*g + BU*b)>>(RGB2YUV_SHIFT+1-3)) + 128;
2165         dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+1-3)) + 128;
2166     }
2167 }
2168
2169
2170 static inline void RENAME(rgb32ToY)(uint8_t *dst, uint8_t *src, int width)
2171 {
2172     int i;
2173     for (i=0; i<width; i++)
2174     {
2175         int r=  ((uint32_t*)src)[i]&0xFF;
2176         int g= (((uint32_t*)src)[i]>>8)&0xFF;
2177         int b= (((uint32_t*)src)[i]>>16)&0xFF;
2178
2179         dst[i]= ((RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);
2180     }
2181 }
2182
2183 static inline void RENAME(rgb32ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, int width)
2184 {
2185     int i;
2186     assert(src1==src2);
2187     for (i=0; i<width; i++)
2188     {
2189         const int a= ((uint32_t*)src1)[2*i+0];
2190         const int e= ((uint32_t*)src1)[2*i+1];
2191         const int l= (a&0xFF00FF) + (e&0xFF00FF);
2192         const int h= (a&0x00FF00) + (e&0x00FF00);
2193         const int r=  l&0x3FF;
2194         const int g=  h>>8;
2195         const int b=  l>>16;
2196
2197         dstU[i]= ((RU*r + GU*g + BU*b)>>(RGB2YUV_SHIFT+1)) + 128;
2198         dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+1)) + 128;
2199     }
2200 }
2201
2202 static inline void RENAME(rgb24ToY)(uint8_t *dst, uint8_t *src, int width)
2203 {
2204     int i;
2205     for (i=0; i<width; i++)
2206     {
2207         int r= src[i*3+0];
2208         int g= src[i*3+1];
2209         int b= src[i*3+2];
2210
2211         dst[i]= ((RY*r + GY*g + BY*b + (33<<(RGB2YUV_SHIFT-1)))>>RGB2YUV_SHIFT);
2212     }
2213 }
2214
2215 static inline void RENAME(rgb24ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, int width)
2216 {
2217     int i;
2218     assert(src1==src2);
2219     for (i=0; i<width; i++)
2220     {
2221         int r= src1[6*i + 0] + src1[6*i + 3];
2222         int g= src1[6*i + 1] + src1[6*i + 4];
2223         int b= src1[6*i + 2] + src1[6*i + 5];
2224
2225         dstU[i]= ((RU*r + GU*g + BU*b)>>(RGB2YUV_SHIFT+1)) + 128;
2226         dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+1)) + 128;
2227     }
2228 }
2229
2230 static inline void RENAME(bgr16ToY)(uint8_t *dst, uint8_t *src, int width)
2231 {
2232     int i;
2233     for (i=0; i<width; i++)
2234     {
2235         int d= ((uint16_t*)src)[i];
2236         int r= d&0x1F;
2237         int g= (d>>5)&0x3F;
2238         int b= (d>>11)&0x1F;
2239
2240         dst[i]= ((2*RY*r + GY*g + 2*BY*b)>>(RGB2YUV_SHIFT-2)) + 16;
2241     }
2242 }
2243
2244 static inline void RENAME(bgr16ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, int width)
2245 {
2246     int i;
2247     assert(src1 == src2);
2248     for (i=0; i<width; i++)
2249     {
2250         int d0= ((uint32_t*)src1)[i];
2251
2252         int dl= (d0&0x07E0F81F);
2253         int d= dl + (((d0>>16) + (d0<<16))&0x07E0F81F);
2254
2255         int r= d&0x3F;
2256         int b= (d>>11)&0x3F;
2257         int g= d>>21;
2258         dstU[i]= ((2*RU*r + GU*g + 2*BU*b)>>(RGB2YUV_SHIFT+1-2)) + 128;
2259         dstV[i]= ((2*RV*r + GV*g + 2*BV*b)>>(RGB2YUV_SHIFT+1-2)) + 128;
2260     }
2261 }
2262
2263 static inline void RENAME(bgr15ToY)(uint8_t *dst, uint8_t *src, int width)
2264 {
2265     int i;
2266     for (i=0; i<width; i++)
2267     {
2268         int d= ((uint16_t*)src)[i];
2269         int r= d&0x1F;
2270         int g= (d>>5)&0x1F;
2271         int b= (d>>10)&0x1F;
2272
2273         dst[i]= ((RY*r + GY*g + BY*b)>>(RGB2YUV_SHIFT-3)) + 16;
2274     }
2275 }
2276
2277 static inline void RENAME(bgr15ToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, int width)
2278 {
2279     int i;
2280     assert(src1 == src2);
2281     for (i=0; i<width; i++)
2282     {
2283         int d0= ((uint32_t*)src1)[i];
2284
2285         int dl= (d0&0x03E07C1F);
2286         int d= dl + (((d0>>16) + (d0<<16))&0x03E07C1F);
2287
2288         int r= d&0x3F;
2289         int b= (d>>10)&0x3F;
2290         int g= d>>21;
2291         dstU[i]= ((RU*r + GU*g + BU*b)>>(RGB2YUV_SHIFT+1-3)) + 128;
2292         dstV[i]= ((RV*r + GV*g + BV*b)>>(RGB2YUV_SHIFT+1-3)) + 128;
2293     }
2294 }
2295
2296 static inline void RENAME(palToY)(uint8_t *dst, uint8_t *src, int width, uint32_t *pal)
2297 {
2298     int i;
2299     for (i=0; i<width; i++)
2300     {
2301         int d= src[i];
2302
2303         dst[i]= pal[d] & 0xFF;
2304     }
2305 }
2306
2307 static inline void RENAME(palToUV)(uint8_t *dstU, uint8_t *dstV, uint8_t *src1, uint8_t *src2, int width, uint32_t *pal)
2308 {
2309     int i;
2310     assert(src1 == src2);
2311     for (i=0; i<width; i++)
2312     {
2313         int p= pal[src1[i]];
2314
2315         dstU[i]= p>>8;
2316         dstV[i]= p>>16;
2317     }
2318 }
2319
2320 // bilinear / bicubic scaling
2321 static inline void RENAME(hScale)(int16_t *dst, int dstW, uint8_t *src, int srcW, int xInc,
2322                                   int16_t *filter, int16_t *filterPos, long filterSize)
2323 {
2324 #ifdef HAVE_MMX
2325     assert(filterSize % 4 == 0 && filterSize>0);
2326     if (filterSize==4) // Always true for upscaling, sometimes for down, too.
2327     {
2328         long counter= -2*dstW;
2329         filter-= counter*2;
2330         filterPos-= counter/2;
2331         dst-= counter/2;
2332         asm volatile(
2333 #if defined(PIC)
2334         "push            %%"REG_b"              \n\t"
2335 #endif
2336         "pxor                %%mm7, %%mm7       \n\t"
2337         "movq        "MANGLE(w02)", %%mm6       \n\t"
2338         "push           %%"REG_BP"              \n\t" // we use 7 regs here ...
2339         "mov             %%"REG_a", %%"REG_BP"  \n\t"
2340         ASMALIGN(4)
2341         "1:                                     \n\t"
2342         "movzwl   (%2, %%"REG_BP"), %%eax       \n\t"
2343         "movzwl  2(%2, %%"REG_BP"), %%ebx       \n\t"
2344         "movq  (%1, %%"REG_BP", 4), %%mm1       \n\t"
2345         "movq 8(%1, %%"REG_BP", 4), %%mm3       \n\t"
2346         "movd      (%3, %%"REG_a"), %%mm0       \n\t"
2347         "movd      (%3, %%"REG_b"), %%mm2       \n\t"
2348         "punpcklbw           %%mm7, %%mm0       \n\t"
2349         "punpcklbw           %%mm7, %%mm2       \n\t"
2350         "pmaddwd             %%mm1, %%mm0       \n\t"
2351         "pmaddwd             %%mm2, %%mm3       \n\t"
2352         "psrad                  $8, %%mm0       \n\t"
2353         "psrad                  $8, %%mm3       \n\t"
2354         "packssdw            %%mm3, %%mm0       \n\t"
2355         "pmaddwd             %%mm6, %%mm0       \n\t"
2356         "packssdw            %%mm0, %%mm0       \n\t"
2357         "movd                %%mm0, (%4, %%"REG_BP")    \n\t"
2358         "add                    $4, %%"REG_BP"  \n\t"
2359         " jnc                   1b              \n\t"
2360
2361         "pop            %%"REG_BP"              \n\t"
2362 #if defined(PIC)
2363         "pop             %%"REG_b"              \n\t"
2364 #endif
2365         : "+a" (counter)
2366         : "c" (filter), "d" (filterPos), "S" (src), "D" (dst)
2367 #if !defined(PIC)
2368         : "%"REG_b
2369 #endif
2370         );
2371     }
2372     else if (filterSize==8)
2373     {
2374         long counter= -2*dstW;
2375         filter-= counter*4;
2376         filterPos-= counter/2;
2377         dst-= counter/2;
2378         asm volatile(
2379 #if defined(PIC)
2380         "push             %%"REG_b"             \n\t"
2381 #endif
2382         "pxor                 %%mm7, %%mm7      \n\t"
2383         "movq         "MANGLE(w02)", %%mm6      \n\t"
2384         "push            %%"REG_BP"             \n\t" // we use 7 regs here ...
2385         "mov              %%"REG_a", %%"REG_BP" \n\t"
2386         ASMALIGN(4)
2387         "1:                                     \n\t"
2388         "movzwl    (%2, %%"REG_BP"), %%eax      \n\t"
2389         "movzwl   2(%2, %%"REG_BP"), %%ebx      \n\t"
2390         "movq   (%1, %%"REG_BP", 8), %%mm1      \n\t"
2391         "movq 16(%1, %%"REG_BP", 8), %%mm3      \n\t"
2392         "movd       (%3, %%"REG_a"), %%mm0      \n\t"
2393         "movd       (%3, %%"REG_b"), %%mm2      \n\t"
2394         "punpcklbw            %%mm7, %%mm0      \n\t"
2395         "punpcklbw            %%mm7, %%mm2      \n\t"
2396         "pmaddwd              %%mm1, %%mm0      \n\t"
2397         "pmaddwd              %%mm2, %%mm3      \n\t"
2398
2399         "movq  8(%1, %%"REG_BP", 8), %%mm1      \n\t"
2400         "movq 24(%1, %%"REG_BP", 8), %%mm5      \n\t"
2401         "movd      4(%3, %%"REG_a"), %%mm4      \n\t"
2402         "movd      4(%3, %%"REG_b"), %%mm2      \n\t"
2403         "punpcklbw            %%mm7, %%mm4      \n\t"
2404         "punpcklbw            %%mm7, %%mm2      \n\t"
2405         "pmaddwd              %%mm1, %%mm4      \n\t"
2406         "pmaddwd              %%mm2, %%mm5      \n\t"
2407         "paddd                %%mm4, %%mm0      \n\t"
2408         "paddd                %%mm5, %%mm3      \n\t"
2409
2410         "psrad                   $8, %%mm0      \n\t"
2411         "psrad                   $8, %%mm3      \n\t"
2412         "packssdw             %%mm3, %%mm0      \n\t"
2413         "pmaddwd              %%mm6, %%mm0      \n\t"
2414         "packssdw             %%mm0, %%mm0      \n\t"
2415         "movd                 %%mm0, (%4, %%"REG_BP")   \n\t"
2416         "add                     $4, %%"REG_BP" \n\t"
2417         " jnc                    1b             \n\t"
2418
2419         "pop             %%"REG_BP"             \n\t"
2420 #if defined(PIC)
2421         "pop              %%"REG_b"             \n\t"
2422 #endif
2423         : "+a" (counter)
2424         : "c" (filter), "d" (filterPos), "S" (src), "D" (dst)
2425 #if !defined(PIC)
2426         : "%"REG_b
2427 #endif
2428         );
2429     }
2430     else
2431     {
2432         uint8_t *offset = src+filterSize;
2433         long counter= -2*dstW;
2434         //filter-= counter*filterSize/2;
2435         filterPos-= counter/2;
2436         dst-= counter/2;
2437         asm volatile(
2438         "pxor                  %%mm7, %%mm7     \n\t"
2439         "movq          "MANGLE(w02)", %%mm6     \n\t"
2440         ASMALIGN(4)
2441         "1:                                     \n\t"
2442         "mov                      %2, %%"REG_c" \n\t"
2443         "movzwl      (%%"REG_c", %0), %%eax     \n\t"
2444         "movzwl     2(%%"REG_c", %0), %%edx     \n\t"
2445         "mov                      %5, %%"REG_c" \n\t"
2446         "pxor                  %%mm4, %%mm4     \n\t"
2447         "pxor                  %%mm5, %%mm5     \n\t"
2448         "2:                                     \n\t"
2449         "movq                   (%1), %%mm1     \n\t"
2450         "movq               (%1, %6), %%mm3     \n\t"
2451         "movd (%%"REG_c", %%"REG_a"), %%mm0     \n\t"
2452         "movd (%%"REG_c", %%"REG_d"), %%mm2     \n\t"
2453         "punpcklbw             %%mm7, %%mm0     \n\t"
2454         "punpcklbw             %%mm7, %%mm2     \n\t"
2455         "pmaddwd               %%mm1, %%mm0     \n\t"
2456         "pmaddwd               %%mm2, %%mm3     \n\t"
2457         "paddd                 %%mm3, %%mm5     \n\t"
2458         "paddd                 %%mm0, %%mm4     \n\t"
2459         "add                      $8, %1        \n\t"
2460         "add                      $4, %%"REG_c" \n\t"
2461         "cmp                      %4, %%"REG_c" \n\t"
2462         " jb                      2b            \n\t"
2463         "add                      %6, %1        \n\t"
2464         "psrad                    $8, %%mm4     \n\t"
2465         "psrad                    $8, %%mm5     \n\t"
2466         "packssdw              %%mm5, %%mm4     \n\t"
2467         "pmaddwd               %%mm6, %%mm4     \n\t"
2468         "packssdw              %%mm4, %%mm4     \n\t"
2469         "mov                      %3, %%"REG_a" \n\t"
2470         "movd                  %%mm4, (%%"REG_a", %0)   \n\t"
2471         "add                      $4, %0        \n\t"
2472         " jnc                     1b            \n\t"
2473
2474         : "+r" (counter), "+r" (filter)
2475         : "m" (filterPos), "m" (dst), "m"(offset),
2476           "m" (src), "r" (filterSize*2)
2477         : "%"REG_a, "%"REG_c, "%"REG_d
2478         );
2479     }
2480 #else
2481 #ifdef HAVE_ALTIVEC
2482     hScale_altivec_real(dst, dstW, src, srcW, xInc, filter, filterPos, filterSize);
2483 #else
2484     int i;
2485     for (i=0; i<dstW; i++)
2486     {
2487         int j;
2488         int srcPos= filterPos[i];
2489         int val=0;
2490         //printf("filterPos: %d\n", filterPos[i]);
2491         for (j=0; j<filterSize; j++)
2492         {
2493             //printf("filter: %d, src: %d\n", filter[i], src[srcPos + j]);
2494             val += ((int)src[srcPos + j])*filter[filterSize*i + j];
2495         }
2496         //filter += hFilterSize;
2497         dst[i] = av_clip(val>>7, 0, (1<<15)-1); // the cubic equation does overflow ...
2498         //dst[i] = val>>7;
2499     }
2500 #endif /* HAVE_ALTIVEC */
2501 #endif /* HAVE_MMX */
2502 }
2503       // *** horizontal scale Y line to temp buffer
2504 static inline void RENAME(hyscale)(uint16_t *dst, long dstWidth, uint8_t *src, int srcW, int xInc,
2505                                    int flags, int canMMX2BeUsed, int16_t *hLumFilter,
2506                                    int16_t *hLumFilterPos, int hLumFilterSize, void *funnyYCode,
2507                                    int srcFormat, uint8_t *formatConvBuffer, int16_t *mmx2Filter,
2508                                    int32_t *mmx2FilterPos, uint8_t *pal)
2509 {
2510     if (srcFormat==PIX_FMT_YUYV422 || srcFormat==PIX_FMT_GRAY16BE)
2511     {
2512         RENAME(yuy2ToY)(formatConvBuffer, src, srcW);
2513         src= formatConvBuffer;
2514     }
2515     else if (srcFormat==PIX_FMT_UYVY422 || srcFormat==PIX_FMT_GRAY16LE)
2516     {
2517         RENAME(uyvyToY)(formatConvBuffer, src, srcW);
2518         src= formatConvBuffer;
2519     }
2520     else if (srcFormat==PIX_FMT_RGB32)
2521     {
2522         RENAME(bgr32ToY)(formatConvBuffer, src, srcW);
2523         src= formatConvBuffer;
2524     }
2525     else if (srcFormat==PIX_FMT_RGB32_1)
2526     {
2527         RENAME(bgr32ToY)(formatConvBuffer, src+ALT32_CORR, srcW);
2528         src= formatConvBuffer;
2529     }
2530     else if (srcFormat==PIX_FMT_BGR24)
2531     {
2532         RENAME(bgr24ToY)(formatConvBuffer, src, srcW);
2533         src= formatConvBuffer;
2534     }
2535     else if (srcFormat==PIX_FMT_BGR565)
2536     {
2537         RENAME(bgr16ToY)(formatConvBuffer, src, srcW);
2538         src= formatConvBuffer;
2539     }
2540     else if (srcFormat==PIX_FMT_BGR555)
2541     {
2542         RENAME(bgr15ToY)(formatConvBuffer, src, srcW);
2543         src= formatConvBuffer;
2544     }
2545     else if (srcFormat==PIX_FMT_BGR32)
2546     {
2547         RENAME(rgb32ToY)(formatConvBuffer, src, srcW);
2548         src= formatConvBuffer;
2549     }
2550     else if (srcFormat==PIX_FMT_BGR32_1)
2551     {
2552         RENAME(rgb32ToY)(formatConvBuffer, src+ALT32_CORR, srcW);
2553         src= formatConvBuffer;
2554     }
2555     else if (srcFormat==PIX_FMT_RGB24)
2556     {
2557         RENAME(rgb24ToY)(formatConvBuffer, src, srcW);
2558         src= formatConvBuffer;
2559     }
2560     else if (srcFormat==PIX_FMT_RGB565)
2561     {
2562         RENAME(rgb16ToY)(formatConvBuffer, src, srcW);
2563         src= formatConvBuffer;
2564     }
2565     else if (srcFormat==PIX_FMT_RGB555)
2566     {
2567         RENAME(rgb15ToY)(formatConvBuffer, src, srcW);
2568         src= formatConvBuffer;
2569     }
2570     else if (srcFormat==PIX_FMT_RGB8 || srcFormat==PIX_FMT_BGR8 || srcFormat==PIX_FMT_PAL8 || srcFormat==PIX_FMT_BGR4_BYTE  || srcFormat==PIX_FMT_RGB4_BYTE)
2571     {
2572         RENAME(palToY)(formatConvBuffer, src, srcW, (uint32_t*)pal);
2573         src= formatConvBuffer;
2574     }
2575
2576 #ifdef HAVE_MMX
2577     // Use the new MMX scaler if the MMX2 one can't be used (it is faster than the x86 ASM one).
2578     if (!(flags&SWS_FAST_BILINEAR) || (!canMMX2BeUsed))
2579 #else
2580     if (!(flags&SWS_FAST_BILINEAR))
2581 #endif
2582     {
2583         RENAME(hScale)(dst, dstWidth, src, srcW, xInc, hLumFilter, hLumFilterPos, hLumFilterSize);
2584     }
2585     else // fast bilinear upscale / crap downscale
2586     {
2587 #if defined(ARCH_X86)
2588 #ifdef HAVE_MMX2
2589         int i;
2590 #if defined(PIC)
2591         uint64_t ebxsave __attribute__((aligned(8)));
2592 #endif
2593         if (canMMX2BeUsed)
2594         {
2595             asm volatile(
2596 #if defined(PIC)
2597             "mov               %%"REG_b", %5        \n\t"
2598 #endif
2599             "pxor                  %%mm7, %%mm7     \n\t"
2600             "mov                      %0, %%"REG_c" \n\t"
2601             "mov                      %1, %%"REG_D" \n\t"
2602             "mov                      %2, %%"REG_d" \n\t"
2603             "mov                      %3, %%"REG_b" \n\t"
2604             "xor               %%"REG_a", %%"REG_a" \n\t" // i
2605             PREFETCH"        (%%"REG_c")            \n\t"
2606             PREFETCH"      32(%%"REG_c")            \n\t"
2607             PREFETCH"      64(%%"REG_c")            \n\t"
2608
2609 #ifdef ARCH_X86_64
2610
2611 #define FUNNY_Y_CODE \
2612             "movl            (%%"REG_b"), %%esi     \n\t"\
2613             "call                    *%4            \n\t"\
2614             "movl (%%"REG_b", %%"REG_a"), %%esi     \n\t"\
2615             "add               %%"REG_S", %%"REG_c" \n\t"\
2616             "add               %%"REG_a", %%"REG_D" \n\t"\
2617             "xor               %%"REG_a", %%"REG_a" \n\t"\
2618
2619 #else
2620
2621 #define FUNNY_Y_CODE \
2622             "movl (%%"REG_b"), %%esi        \n\t"\
2623             "call         *%4                       \n\t"\
2624             "addl (%%"REG_b", %%"REG_a"), %%"REG_c" \n\t"\
2625             "add               %%"REG_a", %%"REG_D" \n\t"\
2626             "xor               %%"REG_a", %%"REG_a" \n\t"\
2627
2628 #endif /* ARCH_X86_64 */
2629
2630 FUNNY_Y_CODE
2631 FUNNY_Y_CODE
2632 FUNNY_Y_CODE
2633 FUNNY_Y_CODE
2634 FUNNY_Y_CODE
2635 FUNNY_Y_CODE
2636 FUNNY_Y_CODE
2637 FUNNY_Y_CODE
2638
2639 #if defined(PIC)
2640             "mov                      %5, %%"REG_b" \n\t"
2641 #endif
2642             :: "m" (src), "m" (dst), "m" (mmx2Filter), "m" (mmx2FilterPos),
2643             "m" (funnyYCode)
2644 #if defined(PIC)
2645             ,"m" (ebxsave)
2646 #endif
2647             : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D
2648 #if !defined(PIC)
2649             ,"%"REG_b
2650 #endif
2651             );
2652             for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--) dst[i] = src[srcW-1]*128;
2653         }
2654         else
2655         {
2656 #endif /* HAVE_MMX2 */
2657         long xInc_shr16 = xInc >> 16;
2658         uint16_t xInc_mask = xInc & 0xffff;
2659         //NO MMX just normal asm ...
2660         asm volatile(
2661         "xor %%"REG_a", %%"REG_a"            \n\t" // i
2662         "xor %%"REG_d", %%"REG_d"            \n\t" // xx
2663         "xorl    %%ecx, %%ecx                \n\t" // 2*xalpha
2664         ASMALIGN(4)
2665         "1:                                  \n\t"
2666         "movzbl    (%0, %%"REG_d"), %%edi    \n\t" //src[xx]
2667         "movzbl   1(%0, %%"REG_d"), %%esi    \n\t" //src[xx+1]
2668         "subl    %%edi, %%esi                \n\t" //src[xx+1] - src[xx]
2669         "imull   %%ecx, %%esi                \n\t" //(src[xx+1] - src[xx])*2*xalpha
2670         "shll      $16, %%edi                \n\t"
2671         "addl    %%edi, %%esi                \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
2672         "mov        %1, %%"REG_D"            \n\t"
2673         "shrl       $9, %%esi                \n\t"
2674         "movw     %%si, (%%"REG_D", %%"REG_a", 2)   \n\t"
2675         "addw       %4, %%cx                 \n\t" //2*xalpha += xInc&0xFF
2676         "adc        %3, %%"REG_d"            \n\t" //xx+= xInc>>8 + carry
2677
2678         "movzbl    (%0, %%"REG_d"), %%edi    \n\t" //src[xx]
2679         "movzbl   1(%0, %%"REG_d"), %%esi    \n\t" //src[xx+1]
2680         "subl    %%edi, %%esi                \n\t" //src[xx+1] - src[xx]
2681         "imull   %%ecx, %%esi                \n\t" //(src[xx+1] - src[xx])*2*xalpha
2682         "shll      $16, %%edi                \n\t"
2683         "addl    %%edi, %%esi                \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
2684         "mov        %1, %%"REG_D"            \n\t"
2685         "shrl       $9, %%esi                \n\t"
2686         "movw     %%si, 2(%%"REG_D", %%"REG_a", 2)  \n\t"
2687         "addw       %4, %%cx                 \n\t" //2*xalpha += xInc&0xFF
2688         "adc        %3, %%"REG_d"            \n\t" //xx+= xInc>>8 + carry
2689
2690
2691         "add        $2, %%"REG_a"            \n\t"
2692         "cmp        %2, %%"REG_a"            \n\t"
2693         " jb        1b                       \n\t"
2694
2695
2696         :: "r" (src), "m" (dst), "m" (dstWidth), "m" (xInc_shr16), "m" (xInc_mask)
2697         : "%"REG_a, "%"REG_d, "%ecx", "%"REG_D, "%esi"
2698         );
2699 #ifdef HAVE_MMX2
2700         } //if MMX2 can't be used
2701 #endif
2702 #else
2703         int i;
2704         unsigned int xpos=0;
2705         for (i=0;i<dstWidth;i++)
2706         {
2707             register unsigned int xx=xpos>>16;
2708             register unsigned int xalpha=(xpos&0xFFFF)>>9;
2709             dst[i]= (src[xx]<<7) + (src[xx+1] - src[xx])*xalpha;
2710             xpos+=xInc;
2711         }
2712 #endif /* defined(ARCH_X86) */
2713     }
2714 }
2715
2716 inline static void RENAME(hcscale)(uint16_t *dst, long dstWidth, uint8_t *src1, uint8_t *src2,
2717                                    int srcW, int xInc, int flags, int canMMX2BeUsed, int16_t *hChrFilter,
2718                                    int16_t *hChrFilterPos, int hChrFilterSize, void *funnyUVCode,
2719                                    int srcFormat, uint8_t *formatConvBuffer, int16_t *mmx2Filter,
2720                                    int32_t *mmx2FilterPos, uint8_t *pal)
2721 {
2722     if (srcFormat==PIX_FMT_YUYV422)
2723     {
2724         RENAME(yuy2ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
2725         src1= formatConvBuffer;
2726         src2= formatConvBuffer+VOFW;
2727     }
2728     else if (srcFormat==PIX_FMT_UYVY422)
2729     {
2730         RENAME(uyvyToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
2731         src1= formatConvBuffer;
2732         src2= formatConvBuffer+VOFW;
2733     }
2734     else if (srcFormat==PIX_FMT_RGB32)
2735     {
2736         RENAME(bgr32ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
2737         src1= formatConvBuffer;
2738         src2= formatConvBuffer+VOFW;
2739     }
2740     else if (srcFormat==PIX_FMT_RGB32_1)
2741     {
2742         RENAME(bgr32ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1+ALT32_CORR, src2+ALT32_CORR, srcW);
2743         src1= formatConvBuffer;
2744         src2= formatConvBuffer+VOFW;
2745     }
2746     else if (srcFormat==PIX_FMT_BGR24)
2747     {
2748         RENAME(bgr24ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
2749         src1= formatConvBuffer;
2750         src2= formatConvBuffer+VOFW;
2751     }
2752     else if (srcFormat==PIX_FMT_BGR565)
2753     {
2754         RENAME(bgr16ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
2755         src1= formatConvBuffer;
2756         src2= formatConvBuffer+VOFW;
2757     }
2758     else if (srcFormat==PIX_FMT_BGR555)
2759     {
2760         RENAME(bgr15ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
2761         src1= formatConvBuffer;
2762         src2= formatConvBuffer+VOFW;
2763     }
2764     else if (srcFormat==PIX_FMT_BGR32)
2765     {
2766         RENAME(rgb32ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
2767         src1= formatConvBuffer;
2768         src2= formatConvBuffer+VOFW;
2769     }
2770     else if (srcFormat==PIX_FMT_BGR32_1)
2771     {
2772         RENAME(rgb32ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1+ALT32_CORR, src2+ALT32_CORR, srcW);
2773         src1= formatConvBuffer;
2774         src2= formatConvBuffer+VOFW;
2775     }
2776     else if (srcFormat==PIX_FMT_RGB24)
2777     {
2778         RENAME(rgb24ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
2779         src1= formatConvBuffer;
2780         src2= formatConvBuffer+VOFW;
2781     }
2782     else if (srcFormat==PIX_FMT_RGB565)
2783     {
2784         RENAME(rgb16ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
2785         src1= formatConvBuffer;
2786         src2= formatConvBuffer+VOFW;
2787     }
2788     else if (srcFormat==PIX_FMT_RGB555)
2789     {
2790         RENAME(rgb15ToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW);
2791         src1= formatConvBuffer;
2792         src2= formatConvBuffer+VOFW;
2793     }
2794     else if (isGray(srcFormat))
2795     {
2796         return;
2797     }
2798     else if (srcFormat==PIX_FMT_RGB8 || srcFormat==PIX_FMT_BGR8 || srcFormat==PIX_FMT_PAL8 || srcFormat==PIX_FMT_BGR4_BYTE  || srcFormat==PIX_FMT_RGB4_BYTE)
2799     {
2800         RENAME(palToUV)(formatConvBuffer, formatConvBuffer+VOFW, src1, src2, srcW, (uint32_t*)pal);
2801         src1= formatConvBuffer;
2802         src2= formatConvBuffer+VOFW;
2803     }
2804
2805 #ifdef HAVE_MMX
2806     // Use the new MMX scaler if the MMX2 one can't be used (it is faster than the x86 ASM one).
2807     if (!(flags&SWS_FAST_BILINEAR) || (!canMMX2BeUsed))
2808 #else
2809     if (!(flags&SWS_FAST_BILINEAR))
2810 #endif
2811     {
2812         RENAME(hScale)(dst     , dstWidth, src1, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize);
2813         RENAME(hScale)(dst+VOFW, dstWidth, src2, srcW, xInc, hChrFilter, hChrFilterPos, hChrFilterSize);
2814     }
2815     else // fast bilinear upscale / crap downscale
2816     {
2817 #if defined(ARCH_X86)
2818 #ifdef HAVE_MMX2
2819         int i;
2820 #if defined(PIC)
2821         uint64_t ebxsave __attribute__((aligned(8)));
2822 #endif
2823         if (canMMX2BeUsed)
2824         {
2825             asm volatile(
2826 #if defined(PIC)
2827             "mov          %%"REG_b", %6         \n\t"
2828 #endif
2829             "pxor             %%mm7, %%mm7      \n\t"
2830             "mov                 %0, %%"REG_c"  \n\t"
2831             "mov                 %1, %%"REG_D"  \n\t"
2832             "mov                 %2, %%"REG_d"  \n\t"
2833             "mov                 %3, %%"REG_b"  \n\t"
2834             "xor          %%"REG_a", %%"REG_a"  \n\t" // i
2835             PREFETCH"   (%%"REG_c")             \n\t"
2836             PREFETCH" 32(%%"REG_c")             \n\t"
2837             PREFETCH" 64(%%"REG_c")             \n\t"
2838
2839 #ifdef ARCH_X86_64
2840
2841 #define FUNNY_UV_CODE \
2842             "movl       (%%"REG_b"), %%esi      \n\t"\
2843             "call               *%4             \n\t"\
2844             "movl (%%"REG_b", %%"REG_a"), %%esi \n\t"\
2845             "add          %%"REG_S", %%"REG_c"  \n\t"\
2846             "add          %%"REG_a", %%"REG_D"  \n\t"\
2847             "xor          %%"REG_a", %%"REG_a"  \n\t"\
2848
2849 #else
2850
2851 #define FUNNY_UV_CODE \
2852             "movl       (%%"REG_b"), %%esi      \n\t"\
2853             "call               *%4             \n\t"\
2854             "addl (%%"REG_b", %%"REG_a"), %%"REG_c" \n\t"\
2855             "add          %%"REG_a", %%"REG_D"  \n\t"\
2856             "xor          %%"REG_a", %%"REG_a"  \n\t"\
2857
2858 #endif /* ARCH_X86_64 */
2859
2860 FUNNY_UV_CODE
2861 FUNNY_UV_CODE
2862 FUNNY_UV_CODE
2863 FUNNY_UV_CODE
2864             "xor          %%"REG_a", %%"REG_a"  \n\t" // i
2865             "mov                 %5, %%"REG_c"  \n\t" // src
2866             "mov                 %1, %%"REG_D"  \n\t" // buf1
2867             "add              $"AV_STRINGIFY(VOF)", %%"REG_D"  \n\t"
2868             PREFETCH"   (%%"REG_c")             \n\t"
2869             PREFETCH" 32(%%"REG_c")             \n\t"
2870             PREFETCH" 64(%%"REG_c")             \n\t"
2871
2872 FUNNY_UV_CODE
2873 FUNNY_UV_CODE
2874 FUNNY_UV_CODE
2875 FUNNY_UV_CODE
2876
2877 #if defined(PIC)
2878             "mov %6, %%"REG_b"    \n\t"
2879 #endif
2880             :: "m" (src1), "m" (dst), "m" (mmx2Filter), "m" (mmx2FilterPos),
2881             "m" (funnyUVCode), "m" (src2)
2882 #if defined(PIC)
2883             ,"m" (ebxsave)
2884 #endif
2885             : "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D
2886 #if !defined(PIC)
2887              ,"%"REG_b
2888 #endif
2889             );
2890             for (i=dstWidth-1; (i*xInc)>>16 >=srcW-1; i--)
2891             {
2892                 //printf("%d %d %d\n", dstWidth, i, srcW);
2893                 dst[i] = src1[srcW-1]*128;
2894                 dst[i+VOFW] = src2[srcW-1]*128;
2895             }
2896         }
2897         else
2898         {
2899 #endif /* HAVE_MMX2 */
2900             long xInc_shr16 = (long) (xInc >> 16);
2901             uint16_t xInc_mask = xInc & 0xffff;
2902             asm volatile(
2903             "xor %%"REG_a", %%"REG_a"               \n\t" // i
2904             "xor %%"REG_d", %%"REG_d"               \n\t" // xx
2905             "xorl    %%ecx, %%ecx                   \n\t" // 2*xalpha
2906             ASMALIGN(4)
2907             "1:                                     \n\t"
2908             "mov        %0, %%"REG_S"               \n\t"
2909             "movzbl  (%%"REG_S", %%"REG_d"), %%edi  \n\t" //src[xx]
2910             "movzbl 1(%%"REG_S", %%"REG_d"), %%esi  \n\t" //src[xx+1]
2911             "subl    %%edi, %%esi                   \n\t" //src[xx+1] - src[xx]
2912             "imull   %%ecx, %%esi                   \n\t" //(src[xx+1] - src[xx])*2*xalpha
2913             "shll      $16, %%edi                   \n\t"
2914             "addl    %%edi, %%esi                   \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
2915             "mov        %1, %%"REG_D"               \n\t"
2916             "shrl       $9, %%esi                   \n\t"
2917             "movw     %%si, (%%"REG_D", %%"REG_a", 2)   \n\t"
2918
2919             "movzbl    (%5, %%"REG_d"), %%edi       \n\t" //src[xx]
2920             "movzbl   1(%5, %%"REG_d"), %%esi       \n\t" //src[xx+1]
2921             "subl    %%edi, %%esi                   \n\t" //src[xx+1] - src[xx]
2922             "imull   %%ecx, %%esi                   \n\t" //(src[xx+1] - src[xx])*2*xalpha
2923             "shll      $16, %%edi                   \n\t"
2924             "addl    %%edi, %%esi                   \n\t" //src[xx+1]*2*xalpha + src[xx]*(1-2*xalpha)
2925             "mov        %1, %%"REG_D"               \n\t"
2926             "shrl       $9, %%esi                   \n\t"
2927             "movw     %%si, "AV_STRINGIFY(VOF)"(%%"REG_D", %%"REG_a", 2)   \n\t"
2928
2929             "addw       %4, %%cx                    \n\t" //2*xalpha += xInc&0xFF
2930             "adc        %3, %%"REG_d"               \n\t" //xx+= xInc>>8 + carry
2931             "add        $1, %%"REG_a"               \n\t"
2932             "cmp        %2, %%"REG_a"               \n\t"
2933             " jb        1b                          \n\t"
2934
2935 /* GCC 3.3 makes MPlayer crash on IA-32 machines when using "g" operand here,
2936    which is needed to support GCC 4.0. */
2937 #if defined(ARCH_X86_64) && ((__GNUC__ > 3) || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
2938             :: "m" (src1), "m" (dst), "g" ((long)dstWidth), "m" (xInc_shr16), "m" (xInc_mask),
2939 #else
2940             :: "m" (src1), "m" (dst), "m" ((long)dstWidth), "m" (xInc_shr16), "m" (xInc_mask),
2941 #endif
2942             "r" (src2)
2943             : "%"REG_a, "%"REG_d, "%ecx", "%"REG_D, "%esi"
2944             );
2945 #ifdef HAVE_MMX2
2946         } //if MMX2 can't be used
2947 #endif
2948 #else
2949         int i;
2950         unsigned int xpos=0;
2951         for (i=0;i<dstWidth;i++)
2952         {
2953             register unsigned int xx=xpos>>16;
2954             register unsigned int xalpha=(xpos&0xFFFF)>>9;
2955             dst[i]=(src1[xx]*(xalpha^127)+src1[xx+1]*xalpha);
2956             dst[i+VOFW]=(src2[xx]*(xalpha^127)+src2[xx+1]*xalpha);
2957             /* slower
2958             dst[i]= (src1[xx]<<7) + (src1[xx+1] - src1[xx])*xalpha;
2959             dst[i+VOFW]=(src2[xx]<<7) + (src2[xx+1] - src2[xx])*xalpha;
2960             */
2961             xpos+=xInc;
2962         }
2963 #endif /* defined(ARCH_X86) */
2964     }
2965 }
2966
2967 static int RENAME(swScale)(SwsContext *c, uint8_t* src[], int srcStride[], int srcSliceY,
2968                            int srcSliceH, uint8_t* dst[], int dstStride[]){
2969
2970     /* load a few things into local vars to make the code more readable? and faster */
2971     const int srcW= c->srcW;
2972     const int dstW= c->dstW;
2973     const int dstH= c->dstH;
2974     const int chrDstW= c->chrDstW;
2975     const int chrSrcW= c->chrSrcW;
2976     const int lumXInc= c->lumXInc;
2977     const int chrXInc= c->chrXInc;
2978     const int dstFormat= c->dstFormat;
2979     const int srcFormat= c->srcFormat;
2980     const int flags= c->flags;
2981     const int canMMX2BeUsed= c->canMMX2BeUsed;
2982     int16_t *vLumFilterPos= c->vLumFilterPos;
2983     int16_t *vChrFilterPos= c->vChrFilterPos;
2984     int16_t *hLumFilterPos= c->hLumFilterPos;
2985     int16_t *hChrFilterPos= c->hChrFilterPos;
2986     int16_t *vLumFilter= c->vLumFilter;
2987     int16_t *vChrFilter= c->vChrFilter;
2988     int16_t *hLumFilter= c->hLumFilter;
2989     int16_t *hChrFilter= c->hChrFilter;
2990     int32_t *lumMmxFilter= c->lumMmxFilter;
2991     int32_t *chrMmxFilter= c->chrMmxFilter;
2992     const int vLumFilterSize= c->vLumFilterSize;
2993     const int vChrFilterSize= c->vChrFilterSize;
2994     const int hLumFilterSize= c->hLumFilterSize;
2995     const int hChrFilterSize= c->hChrFilterSize;
2996     int16_t **lumPixBuf= c->lumPixBuf;
2997     int16_t **chrPixBuf= c->chrPixBuf;
2998     const int vLumBufSize= c->vLumBufSize;
2999     const int vChrBufSize= c->vChrBufSize;
3000     uint8_t *funnyYCode= c->funnyYCode;
3001     uint8_t *funnyUVCode= c->funnyUVCode;
3002     uint8_t *formatConvBuffer= c->formatConvBuffer;
3003     const int chrSrcSliceY= srcSliceY >> c->chrSrcVSubSample;
3004     const int chrSrcSliceH= -((-srcSliceH) >> c->chrSrcVSubSample);
3005     int lastDstY;
3006     uint8_t *pal=NULL;
3007
3008     /* vars which will change and which we need to store back in the context */
3009     int dstY= c->dstY;
3010     int lumBufIndex= c->lumBufIndex;
3011     int chrBufIndex= c->chrBufIndex;
3012     int lastInLumBuf= c->lastInLumBuf;
3013     int lastInChrBuf= c->lastInChrBuf;
3014
3015     if (isPacked(c->srcFormat)){
3016         pal= src[1];
3017         src[0]=
3018         src[1]=
3019         src[2]= src[0];
3020         srcStride[0]=
3021         srcStride[1]=
3022         srcStride[2]= srcStride[0];
3023     }
3024     srcStride[1]<<= c->vChrDrop;
3025     srcStride[2]<<= c->vChrDrop;
3026
3027     //printf("swscale %X %X %X -> %X %X %X\n", (int)src[0], (int)src[1], (int)src[2],
3028     //       (int)dst[0], (int)dst[1], (int)dst[2]);
3029
3030 #if 0 //self test FIXME move to a vfilter or something
3031     {
3032     static volatile int i=0;
3033     i++;
3034     if (srcFormat==PIX_FMT_YUV420P && i==1 && srcSliceH>= c->srcH)
3035         selfTest(src, srcStride, c->srcW, c->srcH);
3036     i--;
3037     }
3038 #endif
3039
3040     //printf("sws Strides:%d %d %d -> %d %d %d\n", srcStride[0],srcStride[1],srcStride[2],
3041     //dstStride[0],dstStride[1],dstStride[2]);
3042
3043     if (dstStride[0]%8 !=0 || dstStride[1]%8 !=0 || dstStride[2]%8 !=0)
3044     {
3045         static int firstTime=1; //FIXME move this into the context perhaps
3046         if (flags & SWS_PRINT_INFO && firstTime)
3047         {
3048             av_log(c, AV_LOG_WARNING, "Warning: dstStride is not aligned!\n"
3049                    "         ->cannot do aligned memory accesses anymore\n");
3050             firstTime=0;
3051         }
3052     }
3053
3054     /* Note the user might start scaling the picture in the middle so this
3055        will not get executed. This is not really intended but works
3056        currently, so people might do it. */
3057     if (srcSliceY ==0){
3058         lumBufIndex=0;
3059         chrBufIndex=0;
3060         dstY=0;
3061         lastInLumBuf= -1;
3062         lastInChrBuf= -1;
3063     }
3064
3065     lastDstY= dstY;
3066
3067     for (;dstY < dstH; dstY++){