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1 /*
2  * Copyright (C) 2001-2011 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
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (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 GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include <stdint.h>
22 
23 #include "libavutil/x86/asm.h"
24 #include "libswscale/swscale_internal.h"
25 
26 #undef REAL_MOVNTQ
27 #undef MOVNTQ
28 #undef MOVNTQ2
29 #undef PREFETCH
30 
31 
32 #define REAL_MOVNTQ(a,b) "movntq " #a ", " #b " \n\t"
33 #define MOVNTQ2 "movntq "
34 #define MOVNTQ(a,b)  REAL_MOVNTQ(a,b)
35 
36 #define YSCALEYUV2PACKEDX_UV \
37     __asm__ volatile(\
38         "xor                %%"FF_REG_a", %%"FF_REG_a"  \n\t"\
39         ".p2align                      4                \n\t"\
40         "nop                                            \n\t"\
41         "1:                                             \n\t"\
42         "lea "CHR_MMX_FILTER_OFFSET"(%0), %%"FF_REG_d"  \n\t"\
43         "mov              (%%"FF_REG_d"), %%"FF_REG_S"  \n\t"\
44         "movq      "VROUNDER_OFFSET"(%0), %%mm3         \n\t"\
45         "movq                      %%mm3, %%mm4         \n\t"\
46         ".p2align                      4                \n\t"\
47         "2:                                             \n\t"\
48         "movq            8(%%"FF_REG_d"), %%mm0         \n\t" /* filterCoeff */\
49         "movq  (%%"FF_REG_S", %%"FF_REG_a"), %%mm2      \n\t" /* UsrcData */\
50         "add                          %6, %%"FF_REG_S"  \n\t" \
51         "movq  (%%"FF_REG_S", %%"FF_REG_a"), %%mm5      \n\t" /* VsrcData */\
52         "add                         $16, %%"FF_REG_d"  \n\t"\
53         "mov              (%%"FF_REG_d"), %%"FF_REG_S"  \n\t"\
54         "pmulhw                    %%mm0, %%mm2         \n\t"\
55         "pmulhw                    %%mm0, %%mm5         \n\t"\
56         "paddw                     %%mm2, %%mm3         \n\t"\
57         "paddw                     %%mm5, %%mm4         \n\t"\
58         "test               %%"FF_REG_S", %%"FF_REG_S"  \n\t"\
59         " jnz                         2b                \n\t"\
60 
61 #define YSCALEYUV2PACKEDX_YA(offset,coeff,src1,src2,dst1,dst2) \
62     "lea                "offset"(%0), %%"FF_REG_d"  \n\t"\
63     "mov              (%%"FF_REG_d"), %%"FF_REG_S"  \n\t"\
64     "movq      "VROUNDER_OFFSET"(%0), "#dst1"       \n\t"\
65     "movq                    "#dst1", "#dst2"       \n\t"\
66     ".p2align                      4                \n\t"\
67     "2:                                             \n\t"\
68     "movq            8(%%"FF_REG_d"), "#coeff"      \n\t" /* filterCoeff */\
69     "movq  (%%"FF_REG_S", %%"FF_REG_a", 2), "#src1" \n\t" /* Y1srcData */\
70     "movq 8(%%"FF_REG_S", %%"FF_REG_a", 2), "#src2" \n\t" /* Y2srcData */\
71     "add                         $16, %%"FF_REG_d"  \n\t"\
72     "mov              (%%"FF_REG_d"), %%"FF_REG_S"  \n\t"\
73     "pmulhw                 "#coeff", "#src1"       \n\t"\
74     "pmulhw                 "#coeff", "#src2"       \n\t"\
75     "paddw                   "#src1", "#dst1"       \n\t"\
76     "paddw                   "#src2", "#dst2"       \n\t"\
77     "test               %%"FF_REG_S", %%"FF_REG_S"  \n\t"\
78     " jnz                         2b                \n\t"\
79 
80 #define YSCALEYUV2PACKEDX \
81     YSCALEYUV2PACKEDX_UV \
82     YSCALEYUV2PACKEDX_YA(LUM_MMX_FILTER_OFFSET,%%mm0,%%mm2,%%mm5,%%mm1,%%mm7) \
83 
84 #define YSCALEYUV2PACKEDX_END                     \
85         :: "r" (&c->redDither),                   \
86             "m" (dummy), "m" (dummy), "m" (dummy),\
87             "r" (dest), "m" (dstW_reg), "m"(uv_off) \
88             NAMED_CONSTRAINTS_ADD(bF8,bFC) \
89         : "%"FF_REG_a, "%"FF_REG_d, "%"FF_REG_S            \
90     );
91 
92 #define YSCALEYUV2PACKEDX_ACCURATE_UV \
93     __asm__ volatile(\
94         "xor %%"FF_REG_a", %%"FF_REG_a"                 \n\t"\
95         ".p2align                      4                \n\t"\
96         "nop                                            \n\t"\
97         "1:                                             \n\t"\
98         "lea "CHR_MMX_FILTER_OFFSET"(%0), %%"FF_REG_d"  \n\t"\
99         "mov              (%%"FF_REG_d"), %%"FF_REG_S"  \n\t"\
100         "pxor                      %%mm4, %%mm4         \n\t"\
101         "pxor                      %%mm5, %%mm5         \n\t"\
102         "pxor                      %%mm6, %%mm6         \n\t"\
103         "pxor                      %%mm7, %%mm7         \n\t"\
104         ".p2align                      4                \n\t"\
105         "2:                                             \n\t"\
106         "movq  (%%"FF_REG_S", %%"FF_REG_a"), %%mm0      \n\t" /* UsrcData */\
107         "add                          %6, %%"FF_REG_S"  \n\t" \
108         "movq  (%%"FF_REG_S", %%"FF_REG_a"), %%mm2      \n\t" /* VsrcData */\
109         "mov "STR(APCK_PTR2)"(%%"FF_REG_d"), %%"FF_REG_S" \n\t"\
110         "movq  (%%"FF_REG_S", %%"FF_REG_a"), %%mm1      \n\t" /* UsrcData */\
111         "movq                      %%mm0, %%mm3         \n\t"\
112         "punpcklwd                 %%mm1, %%mm0         \n\t"\
113         "punpckhwd                 %%mm1, %%mm3         \n\t"\
114         "movq "STR(APCK_COEF)"(%%"FF_REG_d"),%%mm1      \n\t" /* filterCoeff */\
115         "pmaddwd                   %%mm1, %%mm0         \n\t"\
116         "pmaddwd                   %%mm1, %%mm3         \n\t"\
117         "paddd                     %%mm0, %%mm4         \n\t"\
118         "paddd                     %%mm3, %%mm5         \n\t"\
119         "add                          %6, %%"FF_REG_S"  \n\t" \
120         "movq  (%%"FF_REG_S", %%"FF_REG_a"), %%mm3      \n\t" /* VsrcData */\
121         "mov "STR(APCK_SIZE)"(%%"FF_REG_d"), %%"FF_REG_S" \n\t"\
122         "add           $"STR(APCK_SIZE)", %%"FF_REG_d"  \n\t"\
123         "test               %%"FF_REG_S", %%"FF_REG_S"  \n\t"\
124         "movq                      %%mm2, %%mm0         \n\t"\
125         "punpcklwd                 %%mm3, %%mm2         \n\t"\
126         "punpckhwd                 %%mm3, %%mm0         \n\t"\
127         "pmaddwd                   %%mm1, %%mm2         \n\t"\
128         "pmaddwd                   %%mm1, %%mm0         \n\t"\
129         "paddd                     %%mm2, %%mm6         \n\t"\
130         "paddd                     %%mm0, %%mm7         \n\t"\
131         " jnz                         2b                \n\t"\
132         "psrad                       $16, %%mm4         \n\t"\
133         "psrad                       $16, %%mm5         \n\t"\
134         "psrad                       $16, %%mm6         \n\t"\
135         "psrad                       $16, %%mm7         \n\t"\
136         "movq      "VROUNDER_OFFSET"(%0), %%mm0         \n\t"\
137         "packssdw                  %%mm5, %%mm4         \n\t"\
138         "packssdw                  %%mm7, %%mm6         \n\t"\
139         "paddw                     %%mm0, %%mm4         \n\t"\
140         "paddw                     %%mm0, %%mm6         \n\t"\
141         "movq                      %%mm4, "U_TEMP"(%0)  \n\t"\
142         "movq                      %%mm6, "V_TEMP"(%0)  \n\t"\
143 
144 #define YSCALEYUV2PACKEDX_ACCURATE_YA(offset) \
145     "lea                "offset"(%0), %%"FF_REG_d"      \n\t"\
146     "mov                 (%%"FF_REG_d"), %%"FF_REG_S"   \n\t"\
147     "pxor                      %%mm1, %%mm1         \n\t"\
148     "pxor                      %%mm5, %%mm5         \n\t"\
149     "pxor                      %%mm7, %%mm7         \n\t"\
150     "pxor                      %%mm6, %%mm6         \n\t"\
151     ".p2align                      4                \n\t"\
152     "2:                                             \n\t"\
153     "movq  (%%"FF_REG_S", %%"FF_REG_a", 2), %%mm0       \n\t" /* Y1srcData */\
154     "movq 8(%%"FF_REG_S", %%"FF_REG_a", 2), %%mm2       \n\t" /* Y2srcData */\
155     "mov "STR(APCK_PTR2)"(%%"FF_REG_d"), %%"FF_REG_S"   \n\t"\
156     "movq  (%%"FF_REG_S", %%"FF_REG_a", 2), %%mm4       \n\t" /* Y1srcData */\
157     "movq                      %%mm0, %%mm3         \n\t"\
158     "punpcklwd                 %%mm4, %%mm0         \n\t"\
159     "punpckhwd                 %%mm4, %%mm3         \n\t"\
160     "movq "STR(APCK_COEF)"(%%"FF_REG_d"), %%mm4     \n\t" /* filterCoeff */\
161     "pmaddwd                   %%mm4, %%mm0         \n\t"\
162     "pmaddwd                   %%mm4, %%mm3         \n\t"\
163     "paddd                     %%mm0, %%mm1         \n\t"\
164     "paddd                     %%mm3, %%mm5         \n\t"\
165     "movq 8(%%"FF_REG_S", %%"FF_REG_a", 2), %%mm3   \n\t" /* Y2srcData */\
166     "mov "STR(APCK_SIZE)"(%%"FF_REG_d"), %%"FF_REG_S" \n\t"\
167     "add           $"STR(APCK_SIZE)", %%"FF_REG_d"  \n\t"\
168     "test               %%"FF_REG_S", %%"FF_REG_S"  \n\t"\
169     "movq                      %%mm2, %%mm0         \n\t"\
170     "punpcklwd                 %%mm3, %%mm2         \n\t"\
171     "punpckhwd                 %%mm3, %%mm0         \n\t"\
172     "pmaddwd                   %%mm4, %%mm2         \n\t"\
173     "pmaddwd                   %%mm4, %%mm0         \n\t"\
174     "paddd                     %%mm2, %%mm7         \n\t"\
175     "paddd                     %%mm0, %%mm6         \n\t"\
176     " jnz                         2b                \n\t"\
177     "psrad                       $16, %%mm1         \n\t"\
178     "psrad                       $16, %%mm5         \n\t"\
179     "psrad                       $16, %%mm7         \n\t"\
180     "psrad                       $16, %%mm6         \n\t"\
181     "movq      "VROUNDER_OFFSET"(%0), %%mm0         \n\t"\
182     "packssdw                  %%mm5, %%mm1         \n\t"\
183     "packssdw                  %%mm6, %%mm7         \n\t"\
184     "paddw                     %%mm0, %%mm1         \n\t"\
185     "paddw                     %%mm0, %%mm7         \n\t"\
186     "movq               "U_TEMP"(%0), %%mm3         \n\t"\
187     "movq               "V_TEMP"(%0), %%mm4         \n\t"\
188 
189 #define YSCALEYUV2PACKEDX_ACCURATE \
190     YSCALEYUV2PACKEDX_ACCURATE_UV \
191     YSCALEYUV2PACKEDX_ACCURATE_YA(LUM_MMX_FILTER_OFFSET)
192 
193 #define YSCALEYUV2RGBX \
194     "psubw  "U_OFFSET"(%0), %%mm3       \n\t" /* (U-128)8*/\
195     "psubw  "V_OFFSET"(%0), %%mm4       \n\t" /* (V-128)8*/\
196     "movq            %%mm3, %%mm2       \n\t" /* (U-128)8*/\
197     "movq            %%mm4, %%mm5       \n\t" /* (V-128)8*/\
198     "pmulhw "UG_COEFF"(%0), %%mm3       \n\t"\
199     "pmulhw "VG_COEFF"(%0), %%mm4       \n\t"\
200     /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
201     "pmulhw "UB_COEFF"(%0), %%mm2       \n\t"\
202     "pmulhw "VR_COEFF"(%0), %%mm5       \n\t"\
203     "psubw  "Y_OFFSET"(%0), %%mm1       \n\t" /* 8(Y-16)*/\
204     "psubw  "Y_OFFSET"(%0), %%mm7       \n\t" /* 8(Y-16)*/\
205     "pmulhw  "Y_COEFF"(%0), %%mm1       \n\t"\
206     "pmulhw  "Y_COEFF"(%0), %%mm7       \n\t"\
207     /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
208     "paddw           %%mm3, %%mm4       \n\t"\
209     "movq            %%mm2, %%mm0       \n\t"\
210     "movq            %%mm5, %%mm6       \n\t"\
211     "movq            %%mm4, %%mm3       \n\t"\
212     "punpcklwd       %%mm2, %%mm2       \n\t"\
213     "punpcklwd       %%mm5, %%mm5       \n\t"\
214     "punpcklwd       %%mm4, %%mm4       \n\t"\
215     "paddw           %%mm1, %%mm2       \n\t"\
216     "paddw           %%mm1, %%mm5       \n\t"\
217     "paddw           %%mm1, %%mm4       \n\t"\
218     "punpckhwd       %%mm0, %%mm0       \n\t"\
219     "punpckhwd       %%mm6, %%mm6       \n\t"\
220     "punpckhwd       %%mm3, %%mm3       \n\t"\
221     "paddw           %%mm7, %%mm0       \n\t"\
222     "paddw           %%mm7, %%mm6       \n\t"\
223     "paddw           %%mm7, %%mm3       \n\t"\
224     /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
225     "packuswb        %%mm0, %%mm2       \n\t"\
226     "packuswb        %%mm6, %%mm5       \n\t"\
227     "packuswb        %%mm3, %%mm4       \n\t"\
228 
229 #define REAL_WRITEBGR32(dst, dstw, index, b, g, r, a, q0, q2, q3, t) \
230     "movq       "#b", "#q2"     \n\t" /* B */\
231     "movq       "#r", "#t"      \n\t" /* R */\
232     "punpcklbw  "#g", "#b"      \n\t" /* GBGBGBGB 0 */\
233     "punpcklbw  "#a", "#r"      \n\t" /* ARARARAR 0 */\
234     "punpckhbw  "#g", "#q2"     \n\t" /* GBGBGBGB 2 */\
235     "punpckhbw  "#a", "#t"      \n\t" /* ARARARAR 2 */\
236     "movq       "#b", "#q0"     \n\t" /* GBGBGBGB 0 */\
237     "movq      "#q2", "#q3"     \n\t" /* GBGBGBGB 2 */\
238     "punpcklwd  "#r", "#q0"     \n\t" /* ARGBARGB 0 */\
239     "punpckhwd  "#r", "#b"      \n\t" /* ARGBARGB 1 */\
240     "punpcklwd  "#t", "#q2"     \n\t" /* ARGBARGB 2 */\
241     "punpckhwd  "#t", "#q3"     \n\t" /* ARGBARGB 3 */\
242 \
243     MOVNTQ(   q0,   (dst, index, 4))\
244     MOVNTQ(    b,  8(dst, index, 4))\
245     MOVNTQ(   q2, 16(dst, index, 4))\
246     MOVNTQ(   q3, 24(dst, index, 4))\
247 \
248     "add      $8, "#index"      \n\t"\
249     "cmp  "dstw", "#index"      \n\t"\
250     " jb      1b                \n\t"
251 #define WRITEBGR32(dst, dstw, index, b, g, r, a, q0, q2, q3, t)  REAL_WRITEBGR32(dst, dstw, index, b, g, r, a, q0, q2, q3, t)
252 
RENAME(yuv2rgb32_X_ar)253 static void RENAME(yuv2rgb32_X_ar)(SwsContext *c, const int16_t *lumFilter,
254                                    const int16_t **lumSrc, int lumFilterSize,
255                                    const int16_t *chrFilter, const int16_t **chrUSrc,
256                                    const int16_t **chrVSrc,
257                                    int chrFilterSize, const int16_t **alpSrc,
258                                    uint8_t *dest, int dstW, int dstY)
259 {
260     x86_reg dummy=0;
261     x86_reg dstW_reg = dstW;
262     x86_reg uv_off = c->uv_offx2;
263 
264     if (CONFIG_SWSCALE_ALPHA && c->needAlpha) {
265         YSCALEYUV2PACKEDX_ACCURATE
266         YSCALEYUV2RGBX
267         "movq                      %%mm2, "U_TEMP"(%0)  \n\t"
268         "movq                      %%mm4, "V_TEMP"(%0)  \n\t"
269         "movq                      %%mm5, "Y_TEMP"(%0)  \n\t"
270         YSCALEYUV2PACKEDX_ACCURATE_YA(ALP_MMX_FILTER_OFFSET)
271         "movq               "Y_TEMP"(%0), %%mm5         \n\t"
272         "psraw                        $3, %%mm1         \n\t"
273         "psraw                        $3, %%mm7         \n\t"
274         "packuswb                  %%mm7, %%mm1         \n\t"
275         WRITEBGR32(%4, "%5", %%FF_REGa, %%mm3, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm2, %%mm6)
276         YSCALEYUV2PACKEDX_END
277     } else {
278         YSCALEYUV2PACKEDX_ACCURATE
279         YSCALEYUV2RGBX
280         "pcmpeqd %%mm7, %%mm7 \n\t"
281         WRITEBGR32(%4, "%5", %%FF_REGa, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
282         YSCALEYUV2PACKEDX_END
283     }
284 }
285 
RENAME(yuv2rgb32_X)286 static void RENAME(yuv2rgb32_X)(SwsContext *c, const int16_t *lumFilter,
287                                 const int16_t **lumSrc, int lumFilterSize,
288                                 const int16_t *chrFilter, const int16_t **chrUSrc,
289                                 const int16_t **chrVSrc,
290                                 int chrFilterSize, const int16_t **alpSrc,
291                                 uint8_t *dest, int dstW, int dstY)
292 {
293     x86_reg dummy=0;
294     x86_reg dstW_reg = dstW;
295     x86_reg uv_off = c->uv_offx2;
296 
297     if (CONFIG_SWSCALE_ALPHA && c->needAlpha) {
298         YSCALEYUV2PACKEDX
299         YSCALEYUV2RGBX
300         YSCALEYUV2PACKEDX_YA(ALP_MMX_FILTER_OFFSET, %%mm0, %%mm3, %%mm6, %%mm1, %%mm7)
301         "psraw                        $3, %%mm1         \n\t"
302         "psraw                        $3, %%mm7         \n\t"
303         "packuswb                  %%mm7, %%mm1         \n\t"
304         WRITEBGR32(%4, "%5", %%FF_REGa, %%mm2, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm3, %%mm6)
305         YSCALEYUV2PACKEDX_END
306     } else {
307         YSCALEYUV2PACKEDX
308         YSCALEYUV2RGBX
309         "pcmpeqd %%mm7, %%mm7 \n\t"
310         WRITEBGR32(%4, "%5", %%FF_REGa, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
311         YSCALEYUV2PACKEDX_END
312     }
313 }
314 
RENAME(yuv2bgr32_X)315 static void RENAME(yuv2bgr32_X)(SwsContext *c, const int16_t *lumFilter,
316                                 const int16_t **lumSrc, int lumFilterSize,
317                                 const int16_t *chrFilter, const int16_t **chrUSrc,
318                                 const int16_t **chrVSrc,
319                                 int chrFilterSize, const int16_t **alpSrc,
320                                 uint8_t *dest, int dstW, int dstY)
321 {
322     x86_reg dummy=0;
323     x86_reg dstW_reg = dstW;
324     x86_reg uv_off = c->uv_offx2;
325 
326     if (CONFIG_SWSCALE_ALPHA && c->needAlpha) {
327         YSCALEYUV2PACKEDX
328         YSCALEYUV2RGBX
329         YSCALEYUV2PACKEDX_YA(ALP_MMX_FILTER_OFFSET, %%mm0, %%mm3, %%mm6, %%mm1, %%mm7)
330         "psraw                        $3, %%mm1         \n\t"
331         "psraw                        $3, %%mm7         \n\t"
332         "packuswb                  %%mm7, %%mm1         \n\t"
333         WRITEBGR32(%4, "%5", %%FF_REGa, %%mm5, %%mm4, %%mm2, %%mm1, %%mm0, %%mm7, %%mm3, %%mm6)
334         YSCALEYUV2PACKEDX_END
335     } else {
336         YSCALEYUV2PACKEDX
337         YSCALEYUV2RGBX
338         "pcmpeqd %%mm7, %%mm7 \n\t"
339         WRITEBGR32(%4, "%5", %%FF_REGa, %%mm5, %%mm4, %%mm2, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
340         YSCALEYUV2PACKEDX_END
341     }
342 }
343 
344 #define REAL_WRITERGB16(dst, dstw, index) \
345     "pand "MANGLE(bF8)", %%mm2  \n\t" /* B */\
346     "pand "MANGLE(bFC)", %%mm4  \n\t" /* G */\
347     "pand "MANGLE(bF8)", %%mm5  \n\t" /* R */\
348     "psrlq           $3, %%mm2  \n\t"\
349 \
350     "movq         %%mm2, %%mm1  \n\t"\
351     "movq         %%mm4, %%mm3  \n\t"\
352 \
353     "punpcklbw    %%mm7, %%mm3  \n\t"\
354     "punpcklbw    %%mm5, %%mm2  \n\t"\
355     "punpckhbw    %%mm7, %%mm4  \n\t"\
356     "punpckhbw    %%mm5, %%mm1  \n\t"\
357 \
358     "psllq           $3, %%mm3  \n\t"\
359     "psllq           $3, %%mm4  \n\t"\
360 \
361     "por          %%mm3, %%mm2  \n\t"\
362     "por          %%mm4, %%mm1  \n\t"\
363 \
364     MOVNTQ(%%mm2,  (dst, index, 2))\
365     MOVNTQ(%%mm1, 8(dst, index, 2))\
366 \
367     "add             $8, "#index"   \n\t"\
368     "cmp         "dstw", "#index"   \n\t"\
369     " jb             1b             \n\t"
370 #define WRITERGB16(dst, dstw, index)  REAL_WRITERGB16(dst, dstw, index)
371 
RENAME(yuv2rgb565_X_ar)372 static void RENAME(yuv2rgb565_X_ar)(SwsContext *c, const int16_t *lumFilter,
373                                     const int16_t **lumSrc, int lumFilterSize,
374                                     const int16_t *chrFilter, const int16_t **chrUSrc,
375                                     const int16_t **chrVSrc,
376                                     int chrFilterSize, const int16_t **alpSrc,
377                                     uint8_t *dest, int dstW, int dstY)
378 {
379     x86_reg dummy=0;
380     x86_reg dstW_reg = dstW;
381     x86_reg uv_off = c->uv_offx2;
382 
383     YSCALEYUV2PACKEDX_ACCURATE
384     YSCALEYUV2RGBX
385     "pxor %%mm7, %%mm7 \n\t"
386     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
387 #ifdef DITHER1XBPP
388     "paddusb "BLUE_DITHER"(%0), %%mm2\n\t"
389     "paddusb "GREEN_DITHER"(%0), %%mm4\n\t"
390     "paddusb "RED_DITHER"(%0), %%mm5\n\t"
391 #endif
392     WRITERGB16(%4, "%5", %%FF_REGa)
393     YSCALEYUV2PACKEDX_END
394 }
395 
RENAME(yuv2rgb565_X)396 static void RENAME(yuv2rgb565_X)(SwsContext *c, const int16_t *lumFilter,
397                                  const int16_t **lumSrc, int lumFilterSize,
398                                  const int16_t *chrFilter, const int16_t **chrUSrc,
399                                  const int16_t **chrVSrc,
400                                  int chrFilterSize, const int16_t **alpSrc,
401                                  uint8_t *dest, int dstW, int dstY)
402 {
403     x86_reg dummy=0;
404     x86_reg dstW_reg = dstW;
405     x86_reg uv_off = c->uv_offx2;
406 
407     YSCALEYUV2PACKEDX
408     YSCALEYUV2RGBX
409     "pxor %%mm7, %%mm7 \n\t"
410     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
411 #ifdef DITHER1XBPP
412     "paddusb "BLUE_DITHER"(%0), %%mm2  \n\t"
413     "paddusb "GREEN_DITHER"(%0), %%mm4  \n\t"
414     "paddusb "RED_DITHER"(%0), %%mm5  \n\t"
415 #endif
416     WRITERGB16(%4, "%5", %%FF_REGa)
417     YSCALEYUV2PACKEDX_END
418 }
419 
420 #define REAL_WRITERGB15(dst, dstw, index) \
421     "pand "MANGLE(bF8)", %%mm2  \n\t" /* B */\
422     "pand "MANGLE(bF8)", %%mm4  \n\t" /* G */\
423     "pand "MANGLE(bF8)", %%mm5  \n\t" /* R */\
424     "psrlq           $3, %%mm2  \n\t"\
425     "psrlq           $1, %%mm5  \n\t"\
426 \
427     "movq         %%mm2, %%mm1  \n\t"\
428     "movq         %%mm4, %%mm3  \n\t"\
429 \
430     "punpcklbw    %%mm7, %%mm3  \n\t"\
431     "punpcklbw    %%mm5, %%mm2  \n\t"\
432     "punpckhbw    %%mm7, %%mm4  \n\t"\
433     "punpckhbw    %%mm5, %%mm1  \n\t"\
434 \
435     "psllq           $2, %%mm3  \n\t"\
436     "psllq           $2, %%mm4  \n\t"\
437 \
438     "por          %%mm3, %%mm2  \n\t"\
439     "por          %%mm4, %%mm1  \n\t"\
440 \
441     MOVNTQ(%%mm2,  (dst, index, 2))\
442     MOVNTQ(%%mm1, 8(dst, index, 2))\
443 \
444     "add             $8, "#index"   \n\t"\
445     "cmp         "dstw", "#index"   \n\t"\
446     " jb             1b             \n\t"
447 #define WRITERGB15(dst, dstw, index)  REAL_WRITERGB15(dst, dstw, index)
448 
RENAME(yuv2rgb555_X_ar)449 static void RENAME(yuv2rgb555_X_ar)(SwsContext *c, const int16_t *lumFilter,
450                                     const int16_t **lumSrc, int lumFilterSize,
451                                     const int16_t *chrFilter, const int16_t **chrUSrc,
452                                     const int16_t **chrVSrc,
453                                     int chrFilterSize, const int16_t **alpSrc,
454                                     uint8_t *dest, int dstW, int dstY)
455 {
456     x86_reg dummy=0;
457     x86_reg dstW_reg = dstW;
458     x86_reg uv_off = c->uv_offx2;
459 
460     YSCALEYUV2PACKEDX_ACCURATE
461     YSCALEYUV2RGBX
462     "pxor %%mm7, %%mm7 \n\t"
463     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
464 #ifdef DITHER1XBPP
465     "paddusb "BLUE_DITHER"(%0), %%mm2\n\t"
466     "paddusb "GREEN_DITHER"(%0), %%mm4\n\t"
467     "paddusb "RED_DITHER"(%0), %%mm5\n\t"
468 #endif
469     WRITERGB15(%4, "%5", %%FF_REGa)
470     YSCALEYUV2PACKEDX_END
471 }
472 
RENAME(yuv2rgb555_X)473 static void RENAME(yuv2rgb555_X)(SwsContext *c, const int16_t *lumFilter,
474                                  const int16_t **lumSrc, int lumFilterSize,
475                                  const int16_t *chrFilter, const int16_t **chrUSrc,
476                                  const int16_t **chrVSrc,
477                                  int chrFilterSize, const int16_t **alpSrc,
478                                  uint8_t *dest, int dstW, int dstY)
479 {
480     x86_reg dummy=0;
481     x86_reg dstW_reg = dstW;
482     x86_reg uv_off = c->uv_offx2;
483 
484     YSCALEYUV2PACKEDX
485     YSCALEYUV2RGBX
486     "pxor %%mm7, %%mm7 \n\t"
487     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
488 #ifdef DITHER1XBPP
489     "paddusb "BLUE_DITHER"(%0), %%mm2  \n\t"
490     "paddusb "GREEN_DITHER"(%0), %%mm4  \n\t"
491     "paddusb "RED_DITHER"(%0), %%mm5  \n\t"
492 #endif
493     WRITERGB15(%4, "%5", %%FF_REGa)
494     YSCALEYUV2PACKEDX_END
495 }
496 
497 #define WRITEBGR24MMX(dst, dstw, index) \
498     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
499     "movq      %%mm2, %%mm1     \n\t" /* B */\
500     "movq      %%mm5, %%mm6     \n\t" /* R */\
501     "punpcklbw %%mm4, %%mm2     \n\t" /* GBGBGBGB 0 */\
502     "punpcklbw %%mm7, %%mm5     \n\t" /* 0R0R0R0R 0 */\
503     "punpckhbw %%mm4, %%mm1     \n\t" /* GBGBGBGB 2 */\
504     "punpckhbw %%mm7, %%mm6     \n\t" /* 0R0R0R0R 2 */\
505     "movq      %%mm2, %%mm0     \n\t" /* GBGBGBGB 0 */\
506     "movq      %%mm1, %%mm3     \n\t" /* GBGBGBGB 2 */\
507     "punpcklwd %%mm5, %%mm0     \n\t" /* 0RGB0RGB 0 */\
508     "punpckhwd %%mm5, %%mm2     \n\t" /* 0RGB0RGB 1 */\
509     "punpcklwd %%mm6, %%mm1     \n\t" /* 0RGB0RGB 2 */\
510     "punpckhwd %%mm6, %%mm3     \n\t" /* 0RGB0RGB 3 */\
511 \
512     "movq      %%mm0, %%mm4     \n\t" /* 0RGB0RGB 0 */\
513     "movq      %%mm2, %%mm6     \n\t" /* 0RGB0RGB 1 */\
514     "movq      %%mm1, %%mm5     \n\t" /* 0RGB0RGB 2 */\
515     "movq      %%mm3, %%mm7     \n\t" /* 0RGB0RGB 3 */\
516 \
517     "psllq       $40, %%mm0     \n\t" /* RGB00000 0 */\
518     "psllq       $40, %%mm2     \n\t" /* RGB00000 1 */\
519     "psllq       $40, %%mm1     \n\t" /* RGB00000 2 */\
520     "psllq       $40, %%mm3     \n\t" /* RGB00000 3 */\
521 \
522     "punpckhdq %%mm4, %%mm0     \n\t" /* 0RGBRGB0 0 */\
523     "punpckhdq %%mm6, %%mm2     \n\t" /* 0RGBRGB0 1 */\
524     "punpckhdq %%mm5, %%mm1     \n\t" /* 0RGBRGB0 2 */\
525     "punpckhdq %%mm7, %%mm3     \n\t" /* 0RGBRGB0 3 */\
526 \
527     "psrlq        $8, %%mm0     \n\t" /* 00RGBRGB 0 */\
528     "movq      %%mm2, %%mm6     \n\t" /* 0RGBRGB0 1 */\
529     "psllq       $40, %%mm2     \n\t" /* GB000000 1 */\
530     "por       %%mm2, %%mm0     \n\t" /* GBRGBRGB 0 */\
531     MOVNTQ(%%mm0, (dst))\
532 \
533     "psrlq       $24, %%mm6     \n\t" /* 0000RGBR 1 */\
534     "movq      %%mm1, %%mm5     \n\t" /* 0RGBRGB0 2 */\
535     "psllq       $24, %%mm1     \n\t" /* BRGB0000 2 */\
536     "por       %%mm1, %%mm6     \n\t" /* BRGBRGBR 1 */\
537     MOVNTQ(%%mm6, 8(dst))\
538 \
539     "psrlq       $40, %%mm5     \n\t" /* 000000RG 2 */\
540     "psllq        $8, %%mm3     \n\t" /* RGBRGB00 3 */\
541     "por       %%mm3, %%mm5     \n\t" /* RGBRGBRG 2 */\
542     MOVNTQ(%%mm5, 16(dst))\
543 \
544     "add         $24, "#dst"    \n\t"\
545 \
546     "add          $8, "#index"  \n\t"\
547     "cmp      "dstw", "#index"  \n\t"\
548     " jb          1b            \n\t"
549 
550 #define WRITEBGR24MMXEXT(dst, dstw, index) \
551     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */\
552     "movq "MANGLE(ff_M24A)", %%mm0 \n\t"\
553     "movq "MANGLE(ff_M24C)", %%mm7 \n\t"\
554     "pshufw $0x50, %%mm2, %%mm1 \n\t" /* B3 B2 B3 B2  B1 B0 B1 B0 */\
555     "pshufw $0x50, %%mm4, %%mm3 \n\t" /* G3 G2 G3 G2  G1 G0 G1 G0 */\
556     "pshufw $0x00, %%mm5, %%mm6 \n\t" /* R1 R0 R1 R0  R1 R0 R1 R0 */\
557 \
558     "pand   %%mm0, %%mm1        \n\t" /*    B2        B1       B0 */\
559     "pand   %%mm0, %%mm3        \n\t" /*    G2        G1       G0 */\
560     "pand   %%mm7, %%mm6        \n\t" /*       R1        R0       */\
561 \
562     "psllq     $8, %%mm3        \n\t" /* G2        G1       G0    */\
563     "por    %%mm1, %%mm6        \n\t"\
564     "por    %%mm3, %%mm6        \n\t"\
565     MOVNTQ(%%mm6, (dst))\
566 \
567     "psrlq     $8, %%mm4        \n\t" /* 00 G7 G6 G5  G4 G3 G2 G1 */\
568     "pshufw $0xA5, %%mm2, %%mm1 \n\t" /* B5 B4 B5 B4  B3 B2 B3 B2 */\
569     "pshufw $0x55, %%mm4, %%mm3 \n\t" /* G4 G3 G4 G3  G4 G3 G4 G3 */\
570     "pshufw $0xA5, %%mm5, %%mm6 \n\t" /* R5 R4 R5 R4  R3 R2 R3 R2 */\
571 \
572     "pand "MANGLE(ff_M24B)", %%mm1 \n\t" /* B5       B4        B3    */\
573     "pand   %%mm7, %%mm3        \n\t" /*       G4        G3       */\
574     "pand   %%mm0, %%mm6        \n\t" /*    R4        R3       R2 */\
575 \
576     "por    %%mm1, %%mm3        \n\t" /* B5    G4 B4     G3 B3    */\
577     "por    %%mm3, %%mm6        \n\t"\
578     MOVNTQ(%%mm6, 8(dst))\
579 \
580     "pshufw $0xFF, %%mm2, %%mm1 \n\t" /* B7 B6 B7 B6  B7 B6 B6 B7 */\
581     "pshufw $0xFA, %%mm4, %%mm3 \n\t" /* 00 G7 00 G7  G6 G5 G6 G5 */\
582     "pshufw $0xFA, %%mm5, %%mm6 \n\t" /* R7 R6 R7 R6  R5 R4 R5 R4 */\
583 \
584     "pand   %%mm7, %%mm1        \n\t" /*       B7        B6       */\
585     "pand   %%mm0, %%mm3        \n\t" /*    G7        G6       G5 */\
586     "pand "MANGLE(ff_M24B)", %%mm6 \n\t" /* R7       R6        R5    */\
587 \
588     "por    %%mm1, %%mm3        \n\t"\
589     "por    %%mm3, %%mm6        \n\t"\
590     MOVNTQ(%%mm6, 16(dst))\
591 \
592     "add      $24, "#dst"       \n\t"\
593 \
594     "add       $8, "#index"     \n\t"\
595     "cmp   "dstw", "#index"     \n\t"\
596     " jb       1b               \n\t"
597 
598 #undef WRITEBGR24
599 #define WRITEBGR24(dst, dstw, index)  WRITEBGR24MMXEXT(dst, dstw, index)
600 
601 #if HAVE_6REGS
RENAME(yuv2bgr24_X_ar)602 static void RENAME(yuv2bgr24_X_ar)(SwsContext *c, const int16_t *lumFilter,
603                                    const int16_t **lumSrc, int lumFilterSize,
604                                    const int16_t *chrFilter, const int16_t **chrUSrc,
605                                    const int16_t **chrVSrc,
606                                    int chrFilterSize, const int16_t **alpSrc,
607                                    uint8_t *dest, int dstW, int dstY)
608 {
609     x86_reg dummy=0;
610     x86_reg dstW_reg = dstW;
611     x86_reg uv_off = c->uv_offx2;
612 
613     YSCALEYUV2PACKEDX_ACCURATE
614     YSCALEYUV2RGBX
615     "pxor %%mm7, %%mm7 \n\t"
616     "lea (%%"FF_REG_a", %%"FF_REG_a", 2), %%"FF_REG_c"\n\t" //FIXME optimize
617     "add %4, %%"FF_REG_c"                        \n\t"
618     WRITEBGR24(%%FF_REGc, "%5", %%FF_REGa)
619     :: "r" (&c->redDither),
620        "m" (dummy), "m" (dummy), "m" (dummy),
621        "r" (dest), "m" (dstW_reg), "m"(uv_off)
622        NAMED_CONSTRAINTS_ADD(ff_M24A,ff_M24C,ff_M24B)
623     : "%"FF_REG_a, "%"FF_REG_c, "%"FF_REG_d, "%"FF_REG_S
624     );
625 }
626 
RENAME(yuv2bgr24_X)627 static void RENAME(yuv2bgr24_X)(SwsContext *c, const int16_t *lumFilter,
628                                 const int16_t **lumSrc, int lumFilterSize,
629                                 const int16_t *chrFilter, const int16_t **chrUSrc,
630                                 const int16_t **chrVSrc,
631                                 int chrFilterSize, const int16_t **alpSrc,
632                                 uint8_t *dest, int dstW, int dstY)
633 {
634     x86_reg dummy=0;
635     x86_reg dstW_reg = dstW;
636     x86_reg uv_off = c->uv_offx2;
637 
638     YSCALEYUV2PACKEDX
639     YSCALEYUV2RGBX
640     "pxor                    %%mm7, %%mm7              \n\t"
641     "lea (%%"FF_REG_a", %%"FF_REG_a", 2), %%"FF_REG_c" \n\t" //FIXME optimize
642     "add                        %4, %%"FF_REG_c"       \n\t"
643     WRITEBGR24(%%FF_REGc, "%5", %%FF_REGa)
644     :: "r" (&c->redDither),
645        "m" (dummy), "m" (dummy), "m" (dummy),
646        "r" (dest),  "m" (dstW_reg), "m"(uv_off)
647        NAMED_CONSTRAINTS_ADD(ff_M24A,ff_M24C,ff_M24B)
648     : "%"FF_REG_a, "%"FF_REG_c, "%"FF_REG_d, "%"FF_REG_S
649     );
650 }
651 #endif /* HAVE_6REGS */
652 
653 #define REAL_WRITEYUY2(dst, dstw, index) \
654     "packuswb  %%mm3, %%mm3     \n\t"\
655     "packuswb  %%mm4, %%mm4     \n\t"\
656     "packuswb  %%mm7, %%mm1     \n\t"\
657     "punpcklbw %%mm4, %%mm3     \n\t"\
658     "movq      %%mm1, %%mm7     \n\t"\
659     "punpcklbw %%mm3, %%mm1     \n\t"\
660     "punpckhbw %%mm3, %%mm7     \n\t"\
661 \
662     MOVNTQ(%%mm1, (dst, index, 2))\
663     MOVNTQ(%%mm7, 8(dst, index, 2))\
664 \
665     "add          $8, "#index"  \n\t"\
666     "cmp      "dstw", "#index"  \n\t"\
667     " jb          1b            \n\t"
668 #define WRITEYUY2(dst, dstw, index)  REAL_WRITEYUY2(dst, dstw, index)
669 
RENAME(yuv2yuyv422_X_ar)670 static void RENAME(yuv2yuyv422_X_ar)(SwsContext *c, const int16_t *lumFilter,
671                                      const int16_t **lumSrc, int lumFilterSize,
672                                      const int16_t *chrFilter, const int16_t **chrUSrc,
673                                      const int16_t **chrVSrc,
674                                      int chrFilterSize, const int16_t **alpSrc,
675                                      uint8_t *dest, int dstW, int dstY)
676 {
677     x86_reg dummy=0;
678     x86_reg dstW_reg = dstW;
679     x86_reg uv_off = c->uv_offx2;
680 
681     YSCALEYUV2PACKEDX_ACCURATE
682     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
683     "psraw $3, %%mm3    \n\t"
684     "psraw $3, %%mm4    \n\t"
685     "psraw $3, %%mm1    \n\t"
686     "psraw $3, %%mm7    \n\t"
687     WRITEYUY2(%4, "%5", %%FF_REGa)
688     YSCALEYUV2PACKEDX_END
689 }
690 
RENAME(yuv2yuyv422_X)691 static void RENAME(yuv2yuyv422_X)(SwsContext *c, const int16_t *lumFilter,
692                                   const int16_t **lumSrc, int lumFilterSize,
693                                   const int16_t *chrFilter, const int16_t **chrUSrc,
694                                   const int16_t **chrVSrc,
695                                   int chrFilterSize, const int16_t **alpSrc,
696                                   uint8_t *dest, int dstW, int dstY)
697 {
698     x86_reg dummy=0;
699     x86_reg dstW_reg = dstW;
700     x86_reg uv_off = c->uv_offx2;
701 
702     YSCALEYUV2PACKEDX
703     /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
704     "psraw $3, %%mm3    \n\t"
705     "psraw $3, %%mm4    \n\t"
706     "psraw $3, %%mm1    \n\t"
707     "psraw $3, %%mm7    \n\t"
708     WRITEYUY2(%4, "%5", %%FF_REGa)
709     YSCALEYUV2PACKEDX_END
710 }
711 
712 #define REAL_YSCALEYUV2RGB_UV(index, c) \
713     "xor            "#index", "#index"  \n\t"\
714     ".p2align              4            \n\t"\
715     "1:                                 \n\t"\
716     "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
717     "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
718     "add "UV_OFF_BYTE"("#c"), "#index"  \n\t" \
719     "movq     (%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
720     "movq     (%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\
721     "sub "UV_OFF_BYTE"("#c"), "#index"  \n\t" \
722     "psubw             %%mm3, %%mm2     \n\t" /* uvbuf0[eax] - uvbuf1[eax]*/\
723     "psubw             %%mm4, %%mm5     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048]*/\
724     "movq "CHR_MMX_FILTER_OFFSET"+8("#c"), %%mm0    \n\t"\
725     "pmulhw            %%mm0, %%mm2     \n\t" /* (uvbuf0[eax] - uvbuf1[eax])uvalpha1>>16*/\
726     "pmulhw            %%mm0, %%mm5     \n\t" /* (uvbuf0[eax+2048] - uvbuf1[eax+2048])uvalpha1>>16*/\
727     "psraw                $4, %%mm3     \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
728     "psraw                $4, %%mm4     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
729     "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax]uvalpha1 - uvbuf1[eax](1-uvalpha1)*/\
730     "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048]uvalpha1 - uvbuf1[eax+2048](1-uvalpha1)*/\
731     "psubw  "U_OFFSET"("#c"), %%mm3     \n\t" /* (U-128)8*/\
732     "psubw  "V_OFFSET"("#c"), %%mm4     \n\t" /* (V-128)8*/\
733     "movq              %%mm3, %%mm2     \n\t" /* (U-128)8*/\
734     "movq              %%mm4, %%mm5     \n\t" /* (V-128)8*/\
735     "pmulhw "UG_COEFF"("#c"), %%mm3     \n\t"\
736     "pmulhw "VG_COEFF"("#c"), %%mm4     \n\t"\
737     /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
738 
739 #define REAL_YSCALEYUV2RGB_YA(index, c, b1, b2) \
740     "movq  ("#b1", "#index", 2), %%mm0     \n\t" /*buf0[eax]*/\
741     "movq  ("#b2", "#index", 2), %%mm1     \n\t" /*buf1[eax]*/\
742     "movq 8("#b1", "#index", 2), %%mm6     \n\t" /*buf0[eax]*/\
743     "movq 8("#b2", "#index", 2), %%mm7     \n\t" /*buf1[eax]*/\
744     "psubw             %%mm1, %%mm0     \n\t" /* buf0[eax] - buf1[eax]*/\
745     "psubw             %%mm7, %%mm6     \n\t" /* buf0[eax] - buf1[eax]*/\
746     "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm0  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
747     "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm6  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
748     "psraw                $4, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
749     "psraw                $4, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
750     "paddw             %%mm0, %%mm1     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
751     "paddw             %%mm6, %%mm7     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
752 
753 #define REAL_YSCALEYUV2RGB_COEFF(c) \
754     "pmulhw "UB_COEFF"("#c"), %%mm2     \n\t"\
755     "pmulhw "VR_COEFF"("#c"), %%mm5     \n\t"\
756     "psubw  "Y_OFFSET"("#c"), %%mm1     \n\t" /* 8(Y-16)*/\
757     "psubw  "Y_OFFSET"("#c"), %%mm7     \n\t" /* 8(Y-16)*/\
758     "pmulhw  "Y_COEFF"("#c"), %%mm1     \n\t"\
759     "pmulhw  "Y_COEFF"("#c"), %%mm7     \n\t"\
760     /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
761     "paddw             %%mm3, %%mm4     \n\t"\
762     "movq              %%mm2, %%mm0     \n\t"\
763     "movq              %%mm5, %%mm6     \n\t"\
764     "movq              %%mm4, %%mm3     \n\t"\
765     "punpcklwd         %%mm2, %%mm2     \n\t"\
766     "punpcklwd         %%mm5, %%mm5     \n\t"\
767     "punpcklwd         %%mm4, %%mm4     \n\t"\
768     "paddw             %%mm1, %%mm2     \n\t"\
769     "paddw             %%mm1, %%mm5     \n\t"\
770     "paddw             %%mm1, %%mm4     \n\t"\
771     "punpckhwd         %%mm0, %%mm0     \n\t"\
772     "punpckhwd         %%mm6, %%mm6     \n\t"\
773     "punpckhwd         %%mm3, %%mm3     \n\t"\
774     "paddw             %%mm7, %%mm0     \n\t"\
775     "paddw             %%mm7, %%mm6     \n\t"\
776     "paddw             %%mm7, %%mm3     \n\t"\
777     /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
778     "packuswb          %%mm0, %%mm2     \n\t"\
779     "packuswb          %%mm6, %%mm5     \n\t"\
780     "packuswb          %%mm3, %%mm4     \n\t"\
781 
782 #define YSCALEYUV2RGB_YA(index, c, b1, b2) REAL_YSCALEYUV2RGB_YA(index, c, b1, b2)
783 
784 #define YSCALEYUV2RGB(index, c) \
785     REAL_YSCALEYUV2RGB_UV(index, c) \
786     REAL_YSCALEYUV2RGB_YA(index, c, %0, %1) \
787     REAL_YSCALEYUV2RGB_COEFF(c)
788 
789 /**
790  * vertical bilinear scale YV12 to RGB
791  */
RENAME(yuv2rgb32_2)792 static void RENAME(yuv2rgb32_2)(SwsContext *c, const int16_t *buf[2],
793                                 const int16_t *ubuf[2], const int16_t *vbuf[2],
794                                 const int16_t *abuf[2], uint8_t *dest,
795                                 int dstW, int yalpha, int uvalpha, int y)
796 {
797     const int16_t *buf0  = buf[0],  *buf1  = buf[1],
798                   *ubuf0 = ubuf[0], *ubuf1 = ubuf[1];
799 
800     if (CONFIG_SWSCALE_ALPHA && c->needAlpha) {
801         const int16_t *abuf0 = abuf[0], *abuf1 = abuf[1];
802 #if ARCH_X86_64
803         __asm__ volatile(
804             YSCALEYUV2RGB(%%r8, %5)
805             YSCALEYUV2RGB_YA(%%r8, %5, %6, %7)
806             "psraw                  $3, %%mm1       \n\t" /* abuf0[eax] - abuf1[eax] >>7*/
807             "psraw                  $3, %%mm7       \n\t" /* abuf0[eax] - abuf1[eax] >>7*/
808             "packuswb            %%mm7, %%mm1       \n\t"
809             WRITEBGR32(%4, DSTW_OFFSET"(%5)", %%r8, %%mm2, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm3, %%mm6)
810             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "r" (dest),
811                "a" (&c->redDither),
812                "r" (abuf0), "r" (abuf1)
813             : "%r8"
814         );
815 #else
816         c->u_temp=(intptr_t)abuf0;
817         c->v_temp=(intptr_t)abuf1;
818         __asm__ volatile(
819             "mov %%"FF_REG_b", "ESP_OFFSET"(%5)     \n\t"
820             "mov        %4, %%"FF_REG_b"            \n\t"
821             "push %%"FF_REG_BP"                     \n\t"
822             YSCALEYUV2RGB(%%FF_REGBP, %5)
823             "push                   %0              \n\t"
824             "push                   %1              \n\t"
825             "mov          "U_TEMP"(%5), %0          \n\t"
826             "mov          "V_TEMP"(%5), %1          \n\t"
827             YSCALEYUV2RGB_YA(%%FF_REGBP, %5, %0, %1)
828             "psraw                  $3, %%mm1       \n\t" /* abuf0[eax] - abuf1[eax] >>7*/
829             "psraw                  $3, %%mm7       \n\t" /* abuf0[eax] - abuf1[eax] >>7*/
830             "packuswb            %%mm7, %%mm1       \n\t"
831             "pop                    %1              \n\t"
832             "pop                    %0              \n\t"
833             WRITEBGR32(%%FF_REGb, DSTW_OFFSET"(%5)", %%FF_REGBP, %%mm2, %%mm4, %%mm5, %%mm1, %%mm0, %%mm7, %%mm3, %%mm6)
834             "pop %%"FF_REG_BP"                      \n\t"
835             "mov "ESP_OFFSET"(%5), %%"FF_REG_b"     \n\t"
836             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
837                "a" (&c->redDither)
838         );
839 #endif
840     } else {
841         __asm__ volatile(
842             "mov %%"FF_REG_b", "ESP_OFFSET"(%5)     \n\t"
843             "mov        %4, %%"FF_REG_b"            \n\t"
844             "push %%"FF_REG_BP"                     \n\t"
845             YSCALEYUV2RGB(%%FF_REGBP, %5)
846             "pcmpeqd %%mm7, %%mm7                   \n\t"
847             WRITEBGR32(%%FF_REGb, DSTW_OFFSET"(%5)", %%FF_REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
848             "pop %%"FF_REG_BP"                      \n\t"
849             "mov "ESP_OFFSET"(%5), %%"FF_REG_b"     \n\t"
850             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
851                "a" (&c->redDither)
852         );
853     }
854 }
855 
RENAME(yuv2bgr24_2)856 static void RENAME(yuv2bgr24_2)(SwsContext *c, const int16_t *buf[2],
857                                 const int16_t *ubuf[2], const int16_t *vbuf[2],
858                                 const int16_t *abuf[2], uint8_t *dest,
859                                 int dstW, int yalpha, int uvalpha, int y)
860 {
861     const int16_t *buf0  = buf[0],  *buf1  = buf[1],
862                   *ubuf0 = ubuf[0], *ubuf1 = ubuf[1];
863 
864     __asm__ volatile(
865         "mov %%"FF_REG_b", "ESP_OFFSET"(%5)     \n\t"
866         "mov           %4, %%"FF_REG_b"         \n\t"
867         "push %%"FF_REG_BP"                     \n\t"
868         YSCALEYUV2RGB(%%FF_REGBP, %5)
869         "pxor    %%mm7, %%mm7                   \n\t"
870         WRITEBGR24(%%FF_REGb, DSTW_OFFSET"(%5)", %%FF_REGBP)
871         "pop %%"FF_REG_BP"                      \n\t"
872         "mov "ESP_OFFSET"(%5), %%"FF_REG_b"     \n\t"
873         :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
874            "a" (&c->redDither)
875            NAMED_CONSTRAINTS_ADD(ff_M24A,ff_M24C,ff_M24B)
876     );
877 }
878 
RENAME(yuv2rgb555_2)879 static void RENAME(yuv2rgb555_2)(SwsContext *c, const int16_t *buf[2],
880                                  const int16_t *ubuf[2], const int16_t *vbuf[2],
881                                  const int16_t *abuf[2], uint8_t *dest,
882                                  int dstW, int yalpha, int uvalpha, int y)
883 {
884     const int16_t *buf0  = buf[0],  *buf1  = buf[1],
885                   *ubuf0 = ubuf[0], *ubuf1 = ubuf[1];
886 
887     __asm__ volatile(
888         "mov %%"FF_REG_b", "ESP_OFFSET"(%5)     \n\t"
889         "mov        %4, %%"FF_REG_b"            \n\t"
890         "push %%"FF_REG_BP"                     \n\t"
891         YSCALEYUV2RGB(%%FF_REGBP, %5)
892         "pxor    %%mm7, %%mm7                   \n\t"
893         /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
894 #ifdef DITHER1XBPP
895         "paddusb "BLUE_DITHER"(%5), %%mm2       \n\t"
896         "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
897         "paddusb "RED_DITHER"(%5), %%mm5        \n\t"
898 #endif
899         WRITERGB15(%%FF_REGb, DSTW_OFFSET"(%5)", %%FF_REGBP)
900         "pop %%"FF_REG_BP"                      \n\t"
901         "mov "ESP_OFFSET"(%5), %%"FF_REG_b"     \n\t"
902         :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
903            "a" (&c->redDither)
904            NAMED_CONSTRAINTS_ADD(bF8)
905     );
906 }
907 
RENAME(yuv2rgb565_2)908 static void RENAME(yuv2rgb565_2)(SwsContext *c, const int16_t *buf[2],
909                                  const int16_t *ubuf[2], const int16_t *vbuf[2],
910                                  const int16_t *abuf[2], uint8_t *dest,
911                                  int dstW, int yalpha, int uvalpha, int y)
912 {
913     const int16_t *buf0  = buf[0],  *buf1  = buf[1],
914                   *ubuf0 = ubuf[0], *ubuf1 = ubuf[1];
915 
916     __asm__ volatile(
917         "mov %%"FF_REG_b", "ESP_OFFSET"(%5)     \n\t"
918         "mov           %4, %%"FF_REG_b"         \n\t"
919         "push %%"FF_REG_BP"                     \n\t"
920         YSCALEYUV2RGB(%%FF_REGBP, %5)
921         "pxor    %%mm7, %%mm7                   \n\t"
922         /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
923 #ifdef DITHER1XBPP
924         "paddusb "BLUE_DITHER"(%5), %%mm2       \n\t"
925         "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
926         "paddusb "RED_DITHER"(%5), %%mm5        \n\t"
927 #endif
928         WRITERGB16(%%FF_REGb, DSTW_OFFSET"(%5)", %%FF_REGBP)
929         "pop %%"FF_REG_BP"                      \n\t"
930         "mov "ESP_OFFSET"(%5), %%"FF_REG_b"     \n\t"
931         :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
932            "a" (&c->redDither)
933            NAMED_CONSTRAINTS_ADD(bF8,bFC)
934     );
935 }
936 
937 #define REAL_YSCALEYUV2PACKED(index, c) \
938     "movq "CHR_MMX_FILTER_OFFSET"+8("#c"), %%mm0              \n\t"\
939     "movq "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm1              \n\t"\
940     "psraw                $3, %%mm0                           \n\t"\
941     "psraw                $3, %%mm1                           \n\t"\
942     "movq              %%mm0, "CHR_MMX_FILTER_OFFSET"+8("#c") \n\t"\
943     "movq              %%mm1, "LUM_MMX_FILTER_OFFSET"+8("#c") \n\t"\
944     "xor            "#index", "#index"                        \n\t"\
945     ".p2align              4            \n\t"\
946     "1:                                 \n\t"\
947     "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
948     "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
949     "add "UV_OFF_BYTE"("#c"), "#index"  \n\t" \
950     "movq     (%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
951     "movq     (%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\
952     "sub "UV_OFF_BYTE"("#c"), "#index"  \n\t" \
953     "psubw             %%mm3, %%mm2     \n\t" /* uvbuf0[eax] - uvbuf1[eax]*/\
954     "psubw             %%mm4, %%mm5     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048]*/\
955     "movq "CHR_MMX_FILTER_OFFSET"+8("#c"), %%mm0    \n\t"\
956     "pmulhw            %%mm0, %%mm2     \n\t" /* (uvbuf0[eax] - uvbuf1[eax])uvalpha1>>16*/\
957     "pmulhw            %%mm0, %%mm5     \n\t" /* (uvbuf0[eax+2048] - uvbuf1[eax+2048])uvalpha1>>16*/\
958     "psraw                $7, %%mm3     \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
959     "psraw                $7, %%mm4     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
960     "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax]uvalpha1 - uvbuf1[eax](1-uvalpha1)*/\
961     "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048]uvalpha1 - uvbuf1[eax+2048](1-uvalpha1)*/\
962     "movq  (%0, "#index", 2), %%mm0     \n\t" /*buf0[eax]*/\
963     "movq  (%1, "#index", 2), %%mm1     \n\t" /*buf1[eax]*/\
964     "movq 8(%0, "#index", 2), %%mm6     \n\t" /*buf0[eax]*/\
965     "movq 8(%1, "#index", 2), %%mm7     \n\t" /*buf1[eax]*/\
966     "psubw             %%mm1, %%mm0     \n\t" /* buf0[eax] - buf1[eax]*/\
967     "psubw             %%mm7, %%mm6     \n\t" /* buf0[eax] - buf1[eax]*/\
968     "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm0  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
969     "pmulhw "LUM_MMX_FILTER_OFFSET"+8("#c"), %%mm6  \n\t" /* (buf0[eax] - buf1[eax])yalpha1>>16*/\
970     "psraw                $7, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
971     "psraw                $7, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
972     "paddw             %%mm0, %%mm1     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
973     "paddw             %%mm6, %%mm7     \n\t" /* buf0[eax]yalpha1 + buf1[eax](1-yalpha1) >>16*/\
974 
975 #define YSCALEYUV2PACKED(index, c)  REAL_YSCALEYUV2PACKED(index, c)
976 
RENAME(yuv2yuyv422_2)977 static void RENAME(yuv2yuyv422_2)(SwsContext *c, const int16_t *buf[2],
978                                   const int16_t *ubuf[2], const int16_t *vbuf[2],
979                                   const int16_t *abuf[2], uint8_t *dest,
980                                   int dstW, int yalpha, int uvalpha, int y)
981 {
982     const int16_t *buf0  = buf[0],  *buf1  = buf[1],
983                   *ubuf0 = ubuf[0], *ubuf1 = ubuf[1];
984 
985     __asm__ volatile(
986         "mov %%"FF_REG_b", "ESP_OFFSET"(%5)     \n\t"
987         "mov           %4, %%"FF_REG_b"         \n\t"
988         "push %%"FF_REG_BP"                     \n\t"
989         YSCALEYUV2PACKED(%%FF_REGBP, %5)
990         WRITEYUY2(%%FF_REGb, DSTW_OFFSET"(%5)", %%FF_REGBP)
991         "pop %%"FF_REG_BP"                      \n\t"
992         "mov "ESP_OFFSET"(%5), %%"FF_REG_b"     \n\t"
993         :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
994            "a" (&c->redDither)
995     );
996 }
997 
998 #define REAL_YSCALEYUV2RGB1(index, c) \
999     "xor            "#index", "#index"  \n\t"\
1000     ".p2align              4            \n\t"\
1001     "1:                                 \n\t"\
1002     "movq     (%2, "#index"), %%mm3     \n\t" /* uvbuf0[eax]*/\
1003     "add "UV_OFF_BYTE"("#c"), "#index"  \n\t" \
1004     "movq     (%2, "#index"), %%mm4     \n\t" /* uvbuf0[eax+2048]*/\
1005     "sub "UV_OFF_BYTE"("#c"), "#index"  \n\t" \
1006     "psraw                $4, %%mm3     \n\t" /* uvbuf0[eax] - uvbuf1[eax] >>4*/\
1007     "psraw                $4, %%mm4     \n\t" /* uvbuf0[eax+2048] - uvbuf1[eax+2048] >>4*/\
1008     "psubw  "U_OFFSET"("#c"), %%mm3     \n\t" /* (U-128)8*/\
1009     "psubw  "V_OFFSET"("#c"), %%mm4     \n\t" /* (V-128)8*/\
1010     "movq              %%mm3, %%mm2     \n\t" /* (U-128)8*/\
1011     "movq              %%mm4, %%mm5     \n\t" /* (V-128)8*/\
1012     "pmulhw "UG_COEFF"("#c"), %%mm3     \n\t"\
1013     "pmulhw "VG_COEFF"("#c"), %%mm4     \n\t"\
1014     /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
1015     "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\
1016     "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\
1017     "psraw                $4, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
1018     "psraw                $4, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
1019     "pmulhw "UB_COEFF"("#c"), %%mm2     \n\t"\
1020     "pmulhw "VR_COEFF"("#c"), %%mm5     \n\t"\
1021     "psubw  "Y_OFFSET"("#c"), %%mm1     \n\t" /* 8(Y-16)*/\
1022     "psubw  "Y_OFFSET"("#c"), %%mm7     \n\t" /* 8(Y-16)*/\
1023     "pmulhw  "Y_COEFF"("#c"), %%mm1     \n\t"\
1024     "pmulhw  "Y_COEFF"("#c"), %%mm7     \n\t"\
1025     /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
1026     "paddw             %%mm3, %%mm4     \n\t"\
1027     "movq              %%mm2, %%mm0     \n\t"\
1028     "movq              %%mm5, %%mm6     \n\t"\
1029     "movq              %%mm4, %%mm3     \n\t"\
1030     "punpcklwd         %%mm2, %%mm2     \n\t"\
1031     "punpcklwd         %%mm5, %%mm5     \n\t"\
1032     "punpcklwd         %%mm4, %%mm4     \n\t"\
1033     "paddw             %%mm1, %%mm2     \n\t"\
1034     "paddw             %%mm1, %%mm5     \n\t"\
1035     "paddw             %%mm1, %%mm4     \n\t"\
1036     "punpckhwd         %%mm0, %%mm0     \n\t"\
1037     "punpckhwd         %%mm6, %%mm6     \n\t"\
1038     "punpckhwd         %%mm3, %%mm3     \n\t"\
1039     "paddw             %%mm7, %%mm0     \n\t"\
1040     "paddw             %%mm7, %%mm6     \n\t"\
1041     "paddw             %%mm7, %%mm3     \n\t"\
1042     /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
1043     "packuswb          %%mm0, %%mm2     \n\t"\
1044     "packuswb          %%mm6, %%mm5     \n\t"\
1045     "packuswb          %%mm3, %%mm4     \n\t"\
1046 
1047 #define YSCALEYUV2RGB1(index, c)  REAL_YSCALEYUV2RGB1(index, c)
1048 
1049 // do vertical chrominance interpolation
1050 #define REAL_YSCALEYUV2RGB1b(index, c) \
1051     "xor            "#index", "#index"  \n\t"\
1052     ".p2align              4            \n\t"\
1053     "1:                                 \n\t"\
1054     "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
1055     "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
1056     "add "UV_OFF_BYTE"("#c"), "#index"  \n\t" \
1057     "movq     (%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
1058     "movq     (%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\
1059     "sub "UV_OFF_BYTE"("#c"), "#index"  \n\t" \
1060     "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax] + uvbuf1[eax]*/\
1061     "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048] + uvbuf1[eax+2048]*/\
1062     "psrlw                $5, %%mm3     \n\t" /*FIXME might overflow*/\
1063     "psrlw                $5, %%mm4     \n\t" /*FIXME might overflow*/\
1064     "psubw  "U_OFFSET"("#c"), %%mm3     \n\t" /* (U-128)8*/\
1065     "psubw  "V_OFFSET"("#c"), %%mm4     \n\t" /* (V-128)8*/\
1066     "movq              %%mm3, %%mm2     \n\t" /* (U-128)8*/\
1067     "movq              %%mm4, %%mm5     \n\t" /* (V-128)8*/\
1068     "pmulhw "UG_COEFF"("#c"), %%mm3     \n\t"\
1069     "pmulhw "VG_COEFF"("#c"), %%mm4     \n\t"\
1070     /* mm2=(U-128)8, mm3=ug, mm4=vg mm5=(V-128)8 */\
1071     "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\
1072     "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\
1073     "psraw                $4, %%mm1     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
1074     "psraw                $4, %%mm7     \n\t" /* buf0[eax] - buf1[eax] >>4*/\
1075     "pmulhw "UB_COEFF"("#c"), %%mm2     \n\t"\
1076     "pmulhw "VR_COEFF"("#c"), %%mm5     \n\t"\
1077     "psubw  "Y_OFFSET"("#c"), %%mm1     \n\t" /* 8(Y-16)*/\
1078     "psubw  "Y_OFFSET"("#c"), %%mm7     \n\t" /* 8(Y-16)*/\
1079     "pmulhw  "Y_COEFF"("#c"), %%mm1     \n\t"\
1080     "pmulhw  "Y_COEFF"("#c"), %%mm7     \n\t"\
1081     /* mm1= Y1, mm2=ub, mm3=ug, mm4=vg mm5=vr, mm7=Y2 */\
1082     "paddw             %%mm3, %%mm4     \n\t"\
1083     "movq              %%mm2, %%mm0     \n\t"\
1084     "movq              %%mm5, %%mm6     \n\t"\
1085     "movq              %%mm4, %%mm3     \n\t"\
1086     "punpcklwd         %%mm2, %%mm2     \n\t"\
1087     "punpcklwd         %%mm5, %%mm5     \n\t"\
1088     "punpcklwd         %%mm4, %%mm4     \n\t"\
1089     "paddw             %%mm1, %%mm2     \n\t"\
1090     "paddw             %%mm1, %%mm5     \n\t"\
1091     "paddw             %%mm1, %%mm4     \n\t"\
1092     "punpckhwd         %%mm0, %%mm0     \n\t"\
1093     "punpckhwd         %%mm6, %%mm6     \n\t"\
1094     "punpckhwd         %%mm3, %%mm3     \n\t"\
1095     "paddw             %%mm7, %%mm0     \n\t"\
1096     "paddw             %%mm7, %%mm6     \n\t"\
1097     "paddw             %%mm7, %%mm3     \n\t"\
1098     /* mm0=B1, mm2=B2, mm3=G2, mm4=G1, mm5=R1, mm6=R2 */\
1099     "packuswb          %%mm0, %%mm2     \n\t"\
1100     "packuswb          %%mm6, %%mm5     \n\t"\
1101     "packuswb          %%mm3, %%mm4     \n\t"\
1102 
1103 #define YSCALEYUV2RGB1b(index, c)  REAL_YSCALEYUV2RGB1b(index, c)
1104 
1105 #define REAL_YSCALEYUV2RGB1_ALPHA(index) \
1106     "movq  (%1, "#index", 2), %%mm7     \n\t" /* abuf0[index  ]     */\
1107     "movq 8(%1, "#index", 2), %%mm1     \n\t" /* abuf0[index+4]     */\
1108     "psraw                $7, %%mm7     \n\t" /* abuf0[index  ] >>7 */\
1109     "psraw                $7, %%mm1     \n\t" /* abuf0[index+4] >>7 */\
1110     "packuswb          %%mm1, %%mm7     \n\t"
1111 #define YSCALEYUV2RGB1_ALPHA(index) REAL_YSCALEYUV2RGB1_ALPHA(index)
1112 
1113 /**
1114  * YV12 to RGB without scaling or interpolating
1115  */
RENAME(yuv2rgb32_1)1116 static void RENAME(yuv2rgb32_1)(SwsContext *c, const int16_t *buf0,
1117                                 const int16_t *ubuf[2], const int16_t *vbuf[2],
1118                                 const int16_t *abuf0, uint8_t *dest,
1119                                 int dstW, int uvalpha, int y)
1120 {
1121     const int16_t *ubuf0 = ubuf[0];
1122     const int16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
1123 
1124     if (uvalpha < 2048) { // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster
1125         const int16_t *ubuf1 = ubuf[0];
1126         if (CONFIG_SWSCALE_ALPHA && c->needAlpha) {
1127             __asm__ volatile(
1128                 "mov %%"FF_REG_b", "ESP_OFFSET"(%5)     \n\t"
1129                 "mov           %4, %%"FF_REG_b"         \n\t"
1130                 "push %%"FF_REG_BP"                     \n\t"
1131                 YSCALEYUV2RGB1(%%FF_REGBP, %5)
1132                 YSCALEYUV2RGB1_ALPHA(%%FF_REGBP)
1133                 WRITEBGR32(%%FF_REGb, DSTW_OFFSET"(%5)", %%FF_REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
1134                 "pop %%"FF_REG_BP"                      \n\t"
1135                 "mov "ESP_OFFSET"(%5), %%"FF_REG_b"     \n\t"
1136                 :: "c" (buf0), "d" (abuf0), "S" (ubuf0), "D" (ubuf1), "m" (dest),
1137                    "a" (&c->redDither)
1138             );
1139         } else {
1140             __asm__ volatile(
1141                 "mov %%"FF_REG_b", "ESP_OFFSET"(%5)     \n\t"
1142                 "mov           %4, %%"FF_REG_b"         \n\t"
1143                 "push %%"FF_REG_BP"                     \n\t"
1144                 YSCALEYUV2RGB1(%%FF_REGBP, %5)
1145                 "pcmpeqd %%mm7, %%mm7                   \n\t"
1146                 WRITEBGR32(%%FF_REGb, DSTW_OFFSET"(%5)", %%FF_REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
1147                 "pop %%"FF_REG_BP"                      \n\t"
1148                 "mov "ESP_OFFSET"(%5), %%"FF_REG_b"     \n\t"
1149                 :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
1150                    "a" (&c->redDither)
1151             );
1152         }
1153     } else {
1154         const int16_t *ubuf1 = ubuf[1];
1155         if (CONFIG_SWSCALE_ALPHA && c->needAlpha) {
1156             __asm__ volatile(
1157                 "mov %%"FF_REG_b", "ESP_OFFSET"(%5)     \n\t"
1158                 "mov           %4, %%"FF_REG_b"         \n\t"
1159                 "push %%"FF_REG_BP"                     \n\t"
1160                 YSCALEYUV2RGB1b(%%FF_REGBP, %5)
1161                 YSCALEYUV2RGB1_ALPHA(%%FF_REGBP)
1162                 WRITEBGR32(%%FF_REGb, DSTW_OFFSET"(%5)", %%FF_REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
1163                 "pop %%"FF_REG_BP"                      \n\t"
1164                 "mov "ESP_OFFSET"(%5), %%"FF_REG_b"     \n\t"
1165                 :: "c" (buf0), "d" (abuf0), "S" (ubuf0), "D" (ubuf1), "m" (dest),
1166                    "a" (&c->redDither)
1167             );
1168         } else {
1169             __asm__ volatile(
1170                 "mov %%"FF_REG_b", "ESP_OFFSET"(%5)     \n\t"
1171                 "mov           %4, %%"FF_REG_b"         \n\t"
1172                 "push %%"FF_REG_BP"                     \n\t"
1173                 YSCALEYUV2RGB1b(%%FF_REGBP, %5)
1174                 "pcmpeqd %%mm7, %%mm7                   \n\t"
1175                 WRITEBGR32(%%FF_REGb, DSTW_OFFSET"(%5)", %%FF_REGBP, %%mm2, %%mm4, %%mm5, %%mm7, %%mm0, %%mm1, %%mm3, %%mm6)
1176                 "pop %%"FF_REG_BP"                      \n\t"
1177                 "mov "ESP_OFFSET"(%5), %%"FF_REG_b"     \n\t"
1178                 :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
1179                    "a" (&c->redDither)
1180             );
1181         }
1182     }
1183 }
1184 
RENAME(yuv2bgr24_1)1185 static void RENAME(yuv2bgr24_1)(SwsContext *c, const int16_t *buf0,
1186                                 const int16_t *ubuf[2], const int16_t *vbuf[2],
1187                                 const int16_t *abuf0, uint8_t *dest,
1188                                 int dstW, int uvalpha, int y)
1189 {
1190     const int16_t *ubuf0 = ubuf[0];
1191     const int16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
1192 
1193     if (uvalpha < 2048) { // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster
1194         const int16_t *ubuf1 = ubuf[0];
1195         __asm__ volatile(
1196             "mov %%"FF_REG_b", "ESP_OFFSET"(%5)     \n\t"
1197             "mov           %4, %%"FF_REG_b"         \n\t"
1198             "push %%"FF_REG_BP"                     \n\t"
1199             YSCALEYUV2RGB1(%%FF_REGBP, %5)
1200             "pxor    %%mm7, %%mm7                   \n\t"
1201             WRITEBGR24(%%FF_REGb, DSTW_OFFSET"(%5)", %%FF_REGBP)
1202             "pop %%"FF_REG_BP"                      \n\t"
1203             "mov "ESP_OFFSET"(%5), %%"FF_REG_b"     \n\t"
1204             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
1205                "a" (&c->redDither)
1206                NAMED_CONSTRAINTS_ADD(ff_M24A,ff_M24C,ff_M24B)
1207         );
1208     } else {
1209         const int16_t *ubuf1 = ubuf[1];
1210         __asm__ volatile(
1211             "mov %%"FF_REG_b", "ESP_OFFSET"(%5)     \n\t"
1212             "mov           %4, %%"FF_REG_b"         \n\t"
1213             "push %%"FF_REG_BP"                     \n\t"
1214             YSCALEYUV2RGB1b(%%FF_REGBP, %5)
1215             "pxor    %%mm7, %%mm7                   \n\t"
1216             WRITEBGR24(%%FF_REGb, DSTW_OFFSET"(%5)", %%FF_REGBP)
1217             "pop %%"FF_REG_BP"                      \n\t"
1218             "mov "ESP_OFFSET"(%5), %%"FF_REG_b"     \n\t"
1219             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
1220                "a" (&c->redDither)
1221                NAMED_CONSTRAINTS_ADD(ff_M24A,ff_M24C,ff_M24B)
1222         );
1223     }
1224 }
1225 
RENAME(yuv2rgb555_1)1226 static void RENAME(yuv2rgb555_1)(SwsContext *c, const int16_t *buf0,
1227                                  const int16_t *ubuf[2], const int16_t *vbuf[2],
1228                                  const int16_t *abuf0, uint8_t *dest,
1229                                  int dstW, int uvalpha, int y)
1230 {
1231     const int16_t *ubuf0 = ubuf[0];
1232     const int16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
1233 
1234     if (uvalpha < 2048) { // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster
1235         const int16_t *ubuf1 = ubuf[0];
1236         __asm__ volatile(
1237             "mov %%"FF_REG_b", "ESP_OFFSET"(%5)     \n\t"
1238             "mov           %4, %%"FF_REG_b"         \n\t"
1239             "push %%"FF_REG_BP"                     \n\t"
1240             YSCALEYUV2RGB1(%%FF_REGBP, %5)
1241             "pxor    %%mm7, %%mm7                   \n\t"
1242             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1243 #ifdef DITHER1XBPP
1244             "paddusb "BLUE_DITHER"(%5), %%mm2       \n\t"
1245             "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
1246             "paddusb "RED_DITHER"(%5), %%mm5        \n\t"
1247 #endif
1248             WRITERGB15(%%FF_REGb, DSTW_OFFSET"(%5)", %%FF_REGBP)
1249             "pop %%"FF_REG_BP"                      \n\t"
1250             "mov "ESP_OFFSET"(%5), %%"FF_REG_b"     \n\t"
1251             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
1252                "a" (&c->redDither)
1253                NAMED_CONSTRAINTS_ADD(bF8)
1254         );
1255     } else {
1256         const int16_t *ubuf1 = ubuf[1];
1257         __asm__ volatile(
1258             "mov %%"FF_REG_b", "ESP_OFFSET"(%5)     \n\t"
1259             "mov           %4, %%"FF_REG_b"         \n\t"
1260             "push %%"FF_REG_BP"                     \n\t"
1261             YSCALEYUV2RGB1b(%%FF_REGBP, %5)
1262             "pxor    %%mm7, %%mm7                   \n\t"
1263             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1264 #ifdef DITHER1XBPP
1265             "paddusb "BLUE_DITHER"(%5), %%mm2       \n\t"
1266             "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
1267             "paddusb "RED_DITHER"(%5), %%mm5        \n\t"
1268 #endif
1269             WRITERGB15(%%FF_REGb, DSTW_OFFSET"(%5)", %%FF_REGBP)
1270             "pop %%"FF_REG_BP"                      \n\t"
1271             "mov "ESP_OFFSET"(%5), %%"FF_REG_b"     \n\t"
1272             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
1273                "a" (&c->redDither)
1274                NAMED_CONSTRAINTS_ADD(bF8)
1275         );
1276     }
1277 }
1278 
RENAME(yuv2rgb565_1)1279 static void RENAME(yuv2rgb565_1)(SwsContext *c, const int16_t *buf0,
1280                                  const int16_t *ubuf[2], const int16_t *vbuf[2],
1281                                  const int16_t *abuf0, uint8_t *dest,
1282                                  int dstW, int uvalpha, int y)
1283 {
1284     const int16_t *ubuf0 = ubuf[0];
1285     const int16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
1286 
1287     if (uvalpha < 2048) { // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster
1288         const int16_t *ubuf1 = ubuf[0];
1289         __asm__ volatile(
1290             "mov %%"FF_REG_b", "ESP_OFFSET"(%5)     \n\t"
1291             "mov           %4, %%"FF_REG_b"         \n\t"
1292             "push %%"FF_REG_BP"                     \n\t"
1293             YSCALEYUV2RGB1(%%FF_REGBP, %5)
1294             "pxor    %%mm7, %%mm7                   \n\t"
1295             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1296 #ifdef DITHER1XBPP
1297             "paddusb "BLUE_DITHER"(%5), %%mm2       \n\t"
1298             "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
1299             "paddusb "RED_DITHER"(%5), %%mm5        \n\t"
1300 #endif
1301             WRITERGB16(%%FF_REGb, DSTW_OFFSET"(%5)", %%FF_REGBP)
1302             "pop %%"FF_REG_BP"                      \n\t"
1303             "mov "ESP_OFFSET"(%5), %%"FF_REG_b"     \n\t"
1304             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
1305                "a" (&c->redDither)
1306                NAMED_CONSTRAINTS_ADD(bF8,bFC)
1307         );
1308     } else {
1309         const int16_t *ubuf1 = ubuf[1];
1310         __asm__ volatile(
1311             "mov %%"FF_REG_b", "ESP_OFFSET"(%5)     \n\t"
1312             "mov           %4, %%"FF_REG_b"         \n\t"
1313             "push %%"FF_REG_BP"                     \n\t"
1314             YSCALEYUV2RGB1b(%%FF_REGBP, %5)
1315             "pxor    %%mm7, %%mm7                   \n\t"
1316             /* mm2=B, %%mm4=G, %%mm5=R, %%mm7=0 */
1317 #ifdef DITHER1XBPP
1318             "paddusb "BLUE_DITHER"(%5), %%mm2       \n\t"
1319             "paddusb "GREEN_DITHER"(%5), %%mm4      \n\t"
1320             "paddusb "RED_DITHER"(%5), %%mm5        \n\t"
1321 #endif
1322             WRITERGB16(%%FF_REGb, DSTW_OFFSET"(%5)", %%FF_REGBP)
1323             "pop %%"FF_REG_BP"                      \n\t"
1324             "mov "ESP_OFFSET"(%5), %%"FF_REG_b"     \n\t"
1325             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
1326                "a" (&c->redDither)
1327                NAMED_CONSTRAINTS_ADD(bF8,bFC)
1328         );
1329     }
1330 }
1331 
1332 #define REAL_YSCALEYUV2PACKED1(index, c) \
1333     "xor            "#index", "#index"  \n\t"\
1334     ".p2align              4            \n\t"\
1335     "1:                                 \n\t"\
1336     "movq     (%2, "#index"), %%mm3     \n\t" /* uvbuf0[eax]*/\
1337     "add "UV_OFF_BYTE"("#c"), "#index"  \n\t" \
1338     "movq     (%2, "#index"), %%mm4     \n\t" /* uvbuf0[eax+2048]*/\
1339     "sub "UV_OFF_BYTE"("#c"), "#index"  \n\t" \
1340     "psraw                $7, %%mm3     \n\t" \
1341     "psraw                $7, %%mm4     \n\t" \
1342     "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\
1343     "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\
1344     "psraw                $7, %%mm1     \n\t" \
1345     "psraw                $7, %%mm7     \n\t" \
1346 
1347 #define YSCALEYUV2PACKED1(index, c)  REAL_YSCALEYUV2PACKED1(index, c)
1348 
1349 #define REAL_YSCALEYUV2PACKED1b(index, c) \
1350     "xor "#index", "#index"             \n\t"\
1351     ".p2align              4            \n\t"\
1352     "1:                                 \n\t"\
1353     "movq     (%2, "#index"), %%mm2     \n\t" /* uvbuf0[eax]*/\
1354     "movq     (%3, "#index"), %%mm3     \n\t" /* uvbuf1[eax]*/\
1355     "add "UV_OFF_BYTE"("#c"), "#index"  \n\t" \
1356     "movq     (%2, "#index"), %%mm5     \n\t" /* uvbuf0[eax+2048]*/\
1357     "movq     (%3, "#index"), %%mm4     \n\t" /* uvbuf1[eax+2048]*/\
1358     "sub "UV_OFF_BYTE"("#c"), "#index"  \n\t" \
1359     "paddw             %%mm2, %%mm3     \n\t" /* uvbuf0[eax] + uvbuf1[eax]*/\
1360     "paddw             %%mm5, %%mm4     \n\t" /* uvbuf0[eax+2048] + uvbuf1[eax+2048]*/\
1361     "psrlw                $8, %%mm3     \n\t" \
1362     "psrlw                $8, %%mm4     \n\t" \
1363     "movq  (%0, "#index", 2), %%mm1     \n\t" /*buf0[eax]*/\
1364     "movq 8(%0, "#index", 2), %%mm7     \n\t" /*buf0[eax]*/\
1365     "psraw                $7, %%mm1     \n\t" \
1366     "psraw                $7, %%mm7     \n\t"
1367 #define YSCALEYUV2PACKED1b(index, c)  REAL_YSCALEYUV2PACKED1b(index, c)
1368 
RENAME(yuv2yuyv422_1)1369 static void RENAME(yuv2yuyv422_1)(SwsContext *c, const int16_t *buf0,
1370                                   const int16_t *ubuf[2], const int16_t *vbuf[2],
1371                                   const int16_t *abuf0, uint8_t *dest,
1372                                   int dstW, int uvalpha, int y)
1373 {
1374     const int16_t *ubuf0 = ubuf[0];
1375     const int16_t *buf1= buf0; //FIXME needed for RGB1/BGR1
1376 
1377     if (uvalpha < 2048) { // note this is not correct (shifts chrominance by 0.5 pixels) but it is a bit faster
1378         const int16_t *ubuf1 = ubuf[0];
1379         __asm__ volatile(
1380             "mov %%"FF_REG_b", "ESP_OFFSET"(%5)     \n\t"
1381             "mov           %4, %%"FF_REG_b"         \n\t"
1382             "push %%"FF_REG_BP"                     \n\t"
1383             YSCALEYUV2PACKED1(%%FF_REGBP, %5)
1384             WRITEYUY2(%%FF_REGb, DSTW_OFFSET"(%5)", %%FF_REGBP)
1385             "pop %%"FF_REG_BP"                      \n\t"
1386             "mov "ESP_OFFSET"(%5), %%"FF_REG_b"     \n\t"
1387             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
1388                "a" (&c->redDither)
1389         );
1390     } else {
1391         const int16_t *ubuf1 = ubuf[1];
1392         __asm__ volatile(
1393             "mov %%"FF_REG_b", "ESP_OFFSET"(%5)     \n\t"
1394             "mov           %4, %%"FF_REG_b"         \n\t"
1395             "push %%"FF_REG_BP"                     \n\t"
1396             YSCALEYUV2PACKED1b(%%FF_REGBP, %5)
1397             WRITEYUY2(%%FF_REGb, DSTW_OFFSET"(%5)", %%FF_REGBP)
1398             "pop %%"FF_REG_BP"                      \n\t"
1399             "mov "ESP_OFFSET"(%5), %%"FF_REG_b"     \n\t"
1400             :: "c" (buf0), "d" (buf1), "S" (ubuf0), "D" (ubuf1), "m" (dest),
1401                "a" (&c->redDither)
1402         );
1403     }
1404 }
RENAME(sws_init_swscale)1405 static av_cold void RENAME(sws_init_swscale)(SwsContext *c)
1406 {
1407     enum AVPixelFormat dstFormat = c->dstFormat;
1408 
1409     c->use_mmx_vfilter= 0;
1410     if (!is16BPS(dstFormat) && !isNBPS(dstFormat) && !isSemiPlanarYUV(dstFormat)
1411         && dstFormat != AV_PIX_FMT_GRAYF32BE && dstFormat != AV_PIX_FMT_GRAYF32LE
1412         && !(c->flags & SWS_BITEXACT)) {
1413             if (c->flags & SWS_ACCURATE_RND) {
1414                 if (!(c->flags & SWS_FULL_CHR_H_INT)) {
1415                     switch (c->dstFormat) {
1416                     case AV_PIX_FMT_RGB32:   c->yuv2packedX = RENAME(yuv2rgb32_X_ar);   break;
1417 #if HAVE_6REGS
1418                     case AV_PIX_FMT_BGR24:   c->yuv2packedX = RENAME(yuv2bgr24_X_ar);   break;
1419 #endif
1420                     case AV_PIX_FMT_RGB555:  c->yuv2packedX = RENAME(yuv2rgb555_X_ar);  break;
1421                     case AV_PIX_FMT_RGB565:  c->yuv2packedX = RENAME(yuv2rgb565_X_ar);  break;
1422                     case AV_PIX_FMT_YUYV422: c->yuv2packedX = RENAME(yuv2yuyv422_X_ar); break;
1423                     default: break;
1424                     }
1425                 }
1426             } else {
1427                 c->use_mmx_vfilter= 1;
1428                 if (!(c->flags & SWS_FULL_CHR_H_INT)) {
1429                     switch (c->dstFormat) {
1430                     case AV_PIX_FMT_RGB32:   c->yuv2packedX = RENAME(yuv2rgb32_X);   break;
1431                     case AV_PIX_FMT_BGR32:   c->yuv2packedX = RENAME(yuv2bgr32_X);   break;
1432 #if HAVE_6REGS
1433                     case AV_PIX_FMT_BGR24:   c->yuv2packedX = RENAME(yuv2bgr24_X);   break;
1434 #endif
1435                     case AV_PIX_FMT_RGB555:  c->yuv2packedX = RENAME(yuv2rgb555_X);  break;
1436                     case AV_PIX_FMT_RGB565:  c->yuv2packedX = RENAME(yuv2rgb565_X);  break;
1437                     case AV_PIX_FMT_YUYV422: c->yuv2packedX = RENAME(yuv2yuyv422_X); break;
1438                     default: break;
1439                     }
1440                 }
1441             }
1442         if (!(c->flags & SWS_FULL_CHR_H_INT)) {
1443             switch (c->dstFormat) {
1444             case AV_PIX_FMT_RGB32:
1445                 c->yuv2packed1 = RENAME(yuv2rgb32_1);
1446                 c->yuv2packed2 = RENAME(yuv2rgb32_2);
1447                 break;
1448             case AV_PIX_FMT_BGR24:
1449                 c->yuv2packed1 = RENAME(yuv2bgr24_1);
1450                 c->yuv2packed2 = RENAME(yuv2bgr24_2);
1451                 break;
1452             case AV_PIX_FMT_RGB555:
1453                 c->yuv2packed1 = RENAME(yuv2rgb555_1);
1454                 c->yuv2packed2 = RENAME(yuv2rgb555_2);
1455                 break;
1456             case AV_PIX_FMT_RGB565:
1457                 c->yuv2packed1 = RENAME(yuv2rgb565_1);
1458                 c->yuv2packed2 = RENAME(yuv2rgb565_2);
1459                 break;
1460             case AV_PIX_FMT_YUYV422:
1461                 c->yuv2packed1 = RENAME(yuv2yuyv422_1);
1462                 c->yuv2packed2 = RENAME(yuv2yuyv422_2);
1463                 break;
1464             default:
1465                 break;
1466             }
1467         }
1468     }
1469 
1470     if (c->srcBpc == 8 && c->dstBpc <= 14) {
1471         // Use the new MMX scaler if the MMXEXT one can't be used (it is faster than the x86 ASM one).
1472         if (c->flags & SWS_FAST_BILINEAR && c->canMMXEXTBeUsed) {
1473             c->hyscale_fast = ff_hyscale_fast_mmxext;
1474             c->hcscale_fast = ff_hcscale_fast_mmxext;
1475         } else {
1476             c->hyscale_fast = NULL;
1477             c->hcscale_fast = NULL;
1478         }
1479     }
1480 }
1481