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swscale.c
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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 <inttypes.h>
22 #include "config.h"
23 #include "libswscale/swscale.h"
24 #include "libswscale/swscale_internal.h"
25 #include "libavutil/attributes.h"
26 #include "libavutil/avassert.h"
27 #include "libavutil/intreadwrite.h"
28 #include "libavutil/x86/asm.h"
29 #include "libavutil/x86/cpu.h"
30 #include "libavutil/cpu.h"
31 #include "libavutil/pixdesc.h"
32 
33 #if HAVE_INLINE_ASM
34 
35 #define DITHER1XBPP
36 
37 DECLARE_ASM_CONST(8, uint64_t, bF8)= 0xF8F8F8F8F8F8F8F8LL;
38 DECLARE_ASM_CONST(8, uint64_t, bFC)= 0xFCFCFCFCFCFCFCFCLL;
39 DECLARE_ASM_CONST(8, uint64_t, w10)= 0x0010001000100010LL;
40 DECLARE_ASM_CONST(8, uint64_t, w02)= 0x0002000200020002LL;
41 
42 const DECLARE_ALIGNED(8, uint64_t, ff_dither4)[2] = {
43  0x0103010301030103LL,
44  0x0200020002000200LL,};
45 
46 const DECLARE_ALIGNED(8, uint64_t, ff_dither8)[2] = {
47  0x0602060206020602LL,
48  0x0004000400040004LL,};
49 
50 DECLARE_ASM_CONST(8, uint64_t, b16Mask)= 0x001F001F001F001FLL;
51 DECLARE_ASM_CONST(8, uint64_t, g16Mask)= 0x07E007E007E007E0LL;
52 DECLARE_ASM_CONST(8, uint64_t, r16Mask)= 0xF800F800F800F800LL;
53 DECLARE_ASM_CONST(8, uint64_t, b15Mask)= 0x001F001F001F001FLL;
54 DECLARE_ASM_CONST(8, uint64_t, g15Mask)= 0x03E003E003E003E0LL;
55 DECLARE_ASM_CONST(8, uint64_t, r15Mask)= 0x7C007C007C007C00LL;
56 
57 DECLARE_ALIGNED(8, const uint64_t, ff_M24A) = 0x00FF0000FF0000FFLL;
58 DECLARE_ALIGNED(8, const uint64_t, ff_M24B) = 0xFF0000FF0000FF00LL;
59 DECLARE_ALIGNED(8, const uint64_t, ff_M24C) = 0x0000FF0000FF0000LL;
60 
61 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YCoeff) = 0x000020E540830C8BULL;
62 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UCoeff) = 0x0000ED0FDAC23831ULL;
63 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff) = 0x00003831D0E6F6EAULL;
64 
65 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YOffset) = 0x1010101010101010ULL;
66 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UVOffset) = 0x8080808080808080ULL;
67 DECLARE_ALIGNED(8, const uint64_t, ff_w1111) = 0x0001000100010001ULL;
68 
69 
70 //MMX versions
71 #if HAVE_MMX_INLINE
72 #undef RENAME
73 #define COMPILE_TEMPLATE_MMXEXT 0
74 #define RENAME(a) a ## _mmx
75 #include "swscale_template.c"
76 #endif
77 
78 // MMXEXT versions
79 #if HAVE_MMXEXT_INLINE
80 #undef RENAME
81 #undef COMPILE_TEMPLATE_MMXEXT
82 #define COMPILE_TEMPLATE_MMXEXT 1
83 #define RENAME(a) a ## _mmxext
84 #include "swscale_template.c"
85 #endif
86 
87 void updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrBufIndex,
88  int lastInLumBuf, int lastInChrBuf)
89 {
90  const int dstH= c->dstH;
91  const int flags= c->flags;
92  int16_t **lumPixBuf= c->lumPixBuf;
93  int16_t **chrUPixBuf= c->chrUPixBuf;
94  int16_t **alpPixBuf= c->alpPixBuf;
95  const int vLumBufSize= c->vLumBufSize;
96  const int vChrBufSize= c->vChrBufSize;
97  int32_t *vLumFilterPos= c->vLumFilterPos;
98  int32_t *vChrFilterPos= c->vChrFilterPos;
99  int16_t *vLumFilter= c->vLumFilter;
100  int16_t *vChrFilter= c->vChrFilter;
101  int32_t *lumMmxFilter= c->lumMmxFilter;
102  int32_t *chrMmxFilter= c->chrMmxFilter;
103  int32_t av_unused *alpMmxFilter= c->alpMmxFilter;
104  const int vLumFilterSize= c->vLumFilterSize;
105  const int vChrFilterSize= c->vChrFilterSize;
106  const int chrDstY= dstY>>c->chrDstVSubSample;
107  const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input
108  const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input
109 
110  c->blueDither= ff_dither8[dstY&1];
111  if (c->dstFormat == AV_PIX_FMT_RGB555 || c->dstFormat == AV_PIX_FMT_BGR555)
112  c->greenDither= ff_dither8[dstY&1];
113  else
114  c->greenDither= ff_dither4[dstY&1];
115  c->redDither= ff_dither8[(dstY+1)&1];
116  if (dstY < dstH - 2) {
117  const int16_t **lumSrcPtr= (const int16_t **)(void*) lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
118  const int16_t **chrUSrcPtr= (const int16_t **)(void*) chrUPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
119  const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **)(void*) alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL;
120  int i;
121 
122  if (firstLumSrcY < 0 || firstLumSrcY + vLumFilterSize > c->srcH) {
123  const int16_t **tmpY = (const int16_t **) lumPixBuf + 2 * vLumBufSize;
124  int neg = -firstLumSrcY, i, end = FFMIN(c->srcH - firstLumSrcY, vLumFilterSize);
125  for (i = 0; i < neg; i++)
126  tmpY[i] = lumSrcPtr[neg];
127  for ( ; i < end; i++)
128  tmpY[i] = lumSrcPtr[i];
129  for ( ; i < vLumFilterSize; i++)
130  tmpY[i] = tmpY[i-1];
131  lumSrcPtr = tmpY;
132 
133  if (alpSrcPtr) {
134  const int16_t **tmpA = (const int16_t **) alpPixBuf + 2 * vLumBufSize;
135  for (i = 0; i < neg; i++)
136  tmpA[i] = alpSrcPtr[neg];
137  for ( ; i < end; i++)
138  tmpA[i] = alpSrcPtr[i];
139  for ( ; i < vLumFilterSize; i++)
140  tmpA[i] = tmpA[i - 1];
141  alpSrcPtr = tmpA;
142  }
143  }
144  if (firstChrSrcY < 0 || firstChrSrcY + vChrFilterSize > c->chrSrcH) {
145  const int16_t **tmpU = (const int16_t **) chrUPixBuf + 2 * vChrBufSize;
146  int neg = -firstChrSrcY, i, end = FFMIN(c->chrSrcH - firstChrSrcY, vChrFilterSize);
147  for (i = 0; i < neg; i++) {
148  tmpU[i] = chrUSrcPtr[neg];
149  }
150  for ( ; i < end; i++) {
151  tmpU[i] = chrUSrcPtr[i];
152  }
153  for ( ; i < vChrFilterSize; i++) {
154  tmpU[i] = tmpU[i - 1];
155  }
156  chrUSrcPtr = tmpU;
157  }
158 
159  if (flags & SWS_ACCURATE_RND) {
160  int s= APCK_SIZE / 8;
161  for (i=0; i<vLumFilterSize; i+=2) {
162  *(const void**)&lumMmxFilter[s*i ]= lumSrcPtr[i ];
163  *(const void**)&lumMmxFilter[s*i+APCK_PTR2/4 ]= lumSrcPtr[i+(vLumFilterSize>1)];
164  lumMmxFilter[s*i+APCK_COEF/4 ]=
165  lumMmxFilter[s*i+APCK_COEF/4+1]= vLumFilter[dstY*vLumFilterSize + i ]
166  + (vLumFilterSize>1 ? vLumFilter[dstY*vLumFilterSize + i + 1]<<16 : 0);
167  if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {
168  *(const void**)&alpMmxFilter[s*i ]= alpSrcPtr[i ];
169  *(const void**)&alpMmxFilter[s*i+APCK_PTR2/4 ]= alpSrcPtr[i+(vLumFilterSize>1)];
170  alpMmxFilter[s*i+APCK_COEF/4 ]=
171  alpMmxFilter[s*i+APCK_COEF/4+1]= lumMmxFilter[s*i+APCK_COEF/4 ];
172  }
173  }
174  for (i=0; i<vChrFilterSize; i+=2) {
175  *(const void**)&chrMmxFilter[s*i ]= chrUSrcPtr[i ];
176  *(const void**)&chrMmxFilter[s*i+APCK_PTR2/4 ]= chrUSrcPtr[i+(vChrFilterSize>1)];
177  chrMmxFilter[s*i+APCK_COEF/4 ]=
178  chrMmxFilter[s*i+APCK_COEF/4+1]= vChrFilter[chrDstY*vChrFilterSize + i ]
179  + (vChrFilterSize>1 ? vChrFilter[chrDstY*vChrFilterSize + i + 1]<<16 : 0);
180  }
181  } else {
182  for (i=0; i<vLumFilterSize; i++) {
183  *(const void**)&lumMmxFilter[4*i+0]= lumSrcPtr[i];
184  lumMmxFilter[4*i+2]=
185  lumMmxFilter[4*i+3]=
186  ((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001U;
187  if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {
188  *(const void**)&alpMmxFilter[4*i+0]= alpSrcPtr[i];
189  alpMmxFilter[4*i+2]=
190  alpMmxFilter[4*i+3]= lumMmxFilter[4*i+2];
191  }
192  }
193  for (i=0; i<vChrFilterSize; i++) {
194  *(const void**)&chrMmxFilter[4*i+0]= chrUSrcPtr[i];
195  chrMmxFilter[4*i+2]=
196  chrMmxFilter[4*i+3]=
197  ((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001U;
198  }
199  }
200  }
201 }
202 
203 #if HAVE_MMXEXT
204 static void yuv2yuvX_sse3(const int16_t *filter, int filterSize,
205  const int16_t **src, uint8_t *dest, int dstW,
206  const uint8_t *dither, int offset)
207 {
208  if(((int)dest) & 15){
209  return yuv2yuvX_mmxext(filter, filterSize, src, dest, dstW, dither, offset);
210  }
211  if (offset) {
212  __asm__ volatile("movq (%0), %%xmm3\n\t"
213  "movdqa %%xmm3, %%xmm4\n\t"
214  "psrlq $24, %%xmm3\n\t"
215  "psllq $40, %%xmm4\n\t"
216  "por %%xmm4, %%xmm3\n\t"
217  :: "r"(dither)
218  );
219  } else {
220  __asm__ volatile("movq (%0), %%xmm3\n\t"
221  :: "r"(dither)
222  );
223  }
224  filterSize--;
225  __asm__ volatile(
226  "pxor %%xmm0, %%xmm0\n\t"
227  "punpcklbw %%xmm0, %%xmm3\n\t"
228  "movd %0, %%xmm1\n\t"
229  "punpcklwd %%xmm1, %%xmm1\n\t"
230  "punpckldq %%xmm1, %%xmm1\n\t"
231  "punpcklqdq %%xmm1, %%xmm1\n\t"
232  "psllw $3, %%xmm1\n\t"
233  "paddw %%xmm1, %%xmm3\n\t"
234  "psraw $4, %%xmm3\n\t"
235  ::"m"(filterSize)
236  );
237  __asm__ volatile(
238  "movdqa %%xmm3, %%xmm4\n\t"
239  "movdqa %%xmm3, %%xmm7\n\t"
240  "movl %3, %%ecx\n\t"
241  "mov %0, %%"REG_d" \n\t"\
242  "mov (%%"REG_d"), %%"REG_S" \n\t"\
243  ".p2align 4 \n\t" /* FIXME Unroll? */\
244  "1: \n\t"\
245  "movddup 8(%%"REG_d"), %%xmm0 \n\t" /* filterCoeff */\
246  "movdqa (%%"REG_S", %%"REG_c", 2), %%xmm2 \n\t" /* srcData */\
247  "movdqa 16(%%"REG_S", %%"REG_c", 2), %%xmm5 \n\t" /* srcData */\
248  "add $16, %%"REG_d" \n\t"\
249  "mov (%%"REG_d"), %%"REG_S" \n\t"\
250  "test %%"REG_S", %%"REG_S" \n\t"\
251  "pmulhw %%xmm0, %%xmm2 \n\t"\
252  "pmulhw %%xmm0, %%xmm5 \n\t"\
253  "paddw %%xmm2, %%xmm3 \n\t"\
254  "paddw %%xmm5, %%xmm4 \n\t"\
255  " jnz 1b \n\t"\
256  "psraw $3, %%xmm3 \n\t"\
257  "psraw $3, %%xmm4 \n\t"\
258  "packuswb %%xmm4, %%xmm3 \n\t"
259  "movntdq %%xmm3, (%1, %%"REG_c")\n\t"
260  "add $16, %%"REG_c" \n\t"\
261  "cmp %2, %%"REG_c" \n\t"\
262  "movdqa %%xmm7, %%xmm3\n\t"
263  "movdqa %%xmm7, %%xmm4\n\t"
264  "mov %0, %%"REG_d" \n\t"\
265  "mov (%%"REG_d"), %%"REG_S" \n\t"\
266  "jb 1b \n\t"\
267  :: "g" (filter),
268  "r" (dest-offset), "g" ((x86_reg)(dstW+offset)), "m" (offset)
269  : XMM_CLOBBERS("%xmm0" , "%xmm1" , "%xmm2" , "%xmm3" , "%xmm4" , "%xmm5" , "%xmm7" ,)
270  "%"REG_d, "%"REG_S, "%"REG_c
271  );
272 }
273 #endif
274 
275 #endif /* HAVE_INLINE_ASM */
276 
277 #define SCALE_FUNC(filter_n, from_bpc, to_bpc, opt) \
278 void ff_hscale ## from_bpc ## to ## to_bpc ## _ ## filter_n ## _ ## opt( \
279  SwsContext *c, int16_t *data, \
280  int dstW, const uint8_t *src, \
281  const int16_t *filter, \
282  const int32_t *filterPos, int filterSize)
283 
284 #define SCALE_FUNCS(filter_n, opt) \
285  SCALE_FUNC(filter_n, 8, 15, opt); \
286  SCALE_FUNC(filter_n, 9, 15, opt); \
287  SCALE_FUNC(filter_n, 10, 15, opt); \
288  SCALE_FUNC(filter_n, 12, 15, opt); \
289  SCALE_FUNC(filter_n, 14, 15, opt); \
290  SCALE_FUNC(filter_n, 16, 15, opt); \
291  SCALE_FUNC(filter_n, 8, 19, opt); \
292  SCALE_FUNC(filter_n, 9, 19, opt); \
293  SCALE_FUNC(filter_n, 10, 19, opt); \
294  SCALE_FUNC(filter_n, 12, 19, opt); \
295  SCALE_FUNC(filter_n, 14, 19, opt); \
296  SCALE_FUNC(filter_n, 16, 19, opt)
297 
298 #define SCALE_FUNCS_MMX(opt) \
299  SCALE_FUNCS(4, opt); \
300  SCALE_FUNCS(8, opt); \
301  SCALE_FUNCS(X, opt)
302 
303 #define SCALE_FUNCS_SSE(opt) \
304  SCALE_FUNCS(4, opt); \
305  SCALE_FUNCS(8, opt); \
306  SCALE_FUNCS(X4, opt); \
307  SCALE_FUNCS(X8, opt)
308 
309 #if ARCH_X86_32
310 SCALE_FUNCS_MMX(mmx);
311 #endif
312 SCALE_FUNCS_SSE(sse2);
313 SCALE_FUNCS_SSE(ssse3);
314 SCALE_FUNCS_SSE(sse4);
315 
316 #define VSCALEX_FUNC(size, opt) \
317 void ff_yuv2planeX_ ## size ## _ ## opt(const int16_t *filter, int filterSize, \
318  const int16_t **src, uint8_t *dest, int dstW, \
319  const uint8_t *dither, int offset)
320 #define VSCALEX_FUNCS(opt) \
321  VSCALEX_FUNC(8, opt); \
322  VSCALEX_FUNC(9, opt); \
323  VSCALEX_FUNC(10, opt)
324 
325 #if ARCH_X86_32
326 VSCALEX_FUNCS(mmxext);
327 #endif
328 VSCALEX_FUNCS(sse2);
329 VSCALEX_FUNCS(sse4);
330 VSCALEX_FUNC(16, sse4);
331 VSCALEX_FUNCS(avx);
332 
333 #define VSCALE_FUNC(size, opt) \
334 void ff_yuv2plane1_ ## size ## _ ## opt(const int16_t *src, uint8_t *dst, int dstW, \
335  const uint8_t *dither, int offset)
336 #define VSCALE_FUNCS(opt1, opt2) \
337  VSCALE_FUNC(8, opt1); \
338  VSCALE_FUNC(9, opt2); \
339  VSCALE_FUNC(10, opt2); \
340  VSCALE_FUNC(16, opt1)
341 
342 #if ARCH_X86_32
343 VSCALE_FUNCS(mmx, mmxext);
344 #endif
345 VSCALE_FUNCS(sse2, sse2);
346 VSCALE_FUNC(16, sse4);
347 VSCALE_FUNCS(avx, avx);
348 
349 #define INPUT_Y_FUNC(fmt, opt) \
350 void ff_ ## fmt ## ToY_ ## opt(uint8_t *dst, const uint8_t *src, \
351  const uint8_t *unused1, const uint8_t *unused2, \
352  int w, uint32_t *unused)
353 #define INPUT_UV_FUNC(fmt, opt) \
354 void ff_ ## fmt ## ToUV_ ## opt(uint8_t *dstU, uint8_t *dstV, \
355  const uint8_t *unused0, \
356  const uint8_t *src1, \
357  const uint8_t *src2, \
358  int w, uint32_t *unused)
359 #define INPUT_FUNC(fmt, opt) \
360  INPUT_Y_FUNC(fmt, opt); \
361  INPUT_UV_FUNC(fmt, opt)
362 #define INPUT_FUNCS(opt) \
363  INPUT_FUNC(uyvy, opt); \
364  INPUT_FUNC(yuyv, opt); \
365  INPUT_UV_FUNC(nv12, opt); \
366  INPUT_UV_FUNC(nv21, opt); \
367  INPUT_FUNC(rgba, opt); \
368  INPUT_FUNC(bgra, opt); \
369  INPUT_FUNC(argb, opt); \
370  INPUT_FUNC(abgr, opt); \
371  INPUT_FUNC(rgb24, opt); \
372  INPUT_FUNC(bgr24, opt)
373 
374 #if ARCH_X86_32
375 INPUT_FUNCS(mmx);
376 #endif
377 INPUT_FUNCS(sse2);
378 INPUT_FUNCS(ssse3);
379 INPUT_FUNCS(avx);
380 
381 av_cold void ff_sws_init_swscale_x86(SwsContext *c)
382 {
383  int cpu_flags = av_get_cpu_flags();
384 
385 #if HAVE_MMX_INLINE
386  if (INLINE_MMX(cpu_flags))
387  sws_init_swscale_mmx(c);
388 #endif
389 #if HAVE_MMXEXT_INLINE
390  if (INLINE_MMXEXT(cpu_flags))
391  sws_init_swscale_mmxext(c);
392  if (cpu_flags & AV_CPU_FLAG_SSE3){
393  if(c->use_mmx_vfilter && !(c->flags & SWS_ACCURATE_RND))
394  c->yuv2planeX = yuv2yuvX_sse3;
395  }
396 #endif
397 
398 #define ASSIGN_SCALE_FUNC2(hscalefn, filtersize, opt1, opt2) do { \
399  if (c->srcBpc == 8) { \
400  hscalefn = c->dstBpc <= 14 ? ff_hscale8to15_ ## filtersize ## _ ## opt2 : \
401  ff_hscale8to19_ ## filtersize ## _ ## opt1; \
402  } else if (c->srcBpc == 9) { \
403  hscalefn = c->dstBpc <= 14 ? ff_hscale9to15_ ## filtersize ## _ ## opt2 : \
404  ff_hscale9to19_ ## filtersize ## _ ## opt1; \
405  } else if (c->srcBpc == 10) { \
406  hscalefn = c->dstBpc <= 14 ? ff_hscale10to15_ ## filtersize ## _ ## opt2 : \
407  ff_hscale10to19_ ## filtersize ## _ ## opt1; \
408  } else if (c->srcBpc == 12) { \
409  hscalefn = c->dstBpc <= 14 ? ff_hscale12to15_ ## filtersize ## _ ## opt2 : \
410  ff_hscale12to19_ ## filtersize ## _ ## opt1; \
411  } else if (c->srcBpc == 14 || ((c->srcFormat==AV_PIX_FMT_PAL8||isAnyRGB(c->srcFormat)) && av_pix_fmt_desc_get(c->srcFormat)->comp[0].depth_minus1<15)) { \
412  hscalefn = c->dstBpc <= 14 ? ff_hscale14to15_ ## filtersize ## _ ## opt2 : \
413  ff_hscale14to19_ ## filtersize ## _ ## opt1; \
414  } else { /* c->srcBpc == 16 */ \
415  av_assert0(c->srcBpc == 16);\
416  hscalefn = c->dstBpc <= 14 ? ff_hscale16to15_ ## filtersize ## _ ## opt2 : \
417  ff_hscale16to19_ ## filtersize ## _ ## opt1; \
418  } \
419 } while (0)
420 #define ASSIGN_MMX_SCALE_FUNC(hscalefn, filtersize, opt1, opt2) \
421  switch (filtersize) { \
422  case 4: ASSIGN_SCALE_FUNC2(hscalefn, 4, opt1, opt2); break; \
423  case 8: ASSIGN_SCALE_FUNC2(hscalefn, 8, opt1, opt2); break; \
424  default: ASSIGN_SCALE_FUNC2(hscalefn, X, opt1, opt2); break; \
425  }
426 #define ASSIGN_VSCALEX_FUNC(vscalefn, opt, do_16_case, condition_8bit) \
427 switch(c->dstBpc){ \
428  case 16: do_16_case; break; \
429  case 10: if (!isBE(c->dstFormat)) vscalefn = ff_yuv2planeX_10_ ## opt; break; \
430  case 9: if (!isBE(c->dstFormat)) vscalefn = ff_yuv2planeX_9_ ## opt; break; \
431  default: if (condition_8bit) /*vscalefn = ff_yuv2planeX_8_ ## opt;*/ break; \
432  }
433 #define ASSIGN_VSCALE_FUNC(vscalefn, opt1, opt2, opt2chk) \
434  switch(c->dstBpc){ \
435  case 16: if (!isBE(c->dstFormat)) vscalefn = ff_yuv2plane1_16_ ## opt1; break; \
436  case 10: if (!isBE(c->dstFormat) && opt2chk) vscalefn = ff_yuv2plane1_10_ ## opt2; break; \
437  case 9: if (!isBE(c->dstFormat) && opt2chk) vscalefn = ff_yuv2plane1_9_ ## opt2; break; \
438  case 8: vscalefn = ff_yuv2plane1_8_ ## opt1; break; \
439  default: av_assert0(c->dstBpc>8); \
440  }
441 #define case_rgb(x, X, opt) \
442  case AV_PIX_FMT_ ## X: \
443  c->lumToYV12 = ff_ ## x ## ToY_ ## opt; \
444  if (!c->chrSrcHSubSample) \
445  c->chrToYV12 = ff_ ## x ## ToUV_ ## opt; \
446  break
447 #if ARCH_X86_32
448  if (EXTERNAL_MMX(cpu_flags)) {
449  ASSIGN_MMX_SCALE_FUNC(c->hyScale, c->hLumFilterSize, mmx, mmx);
450  ASSIGN_MMX_SCALE_FUNC(c->hcScale, c->hChrFilterSize, mmx, mmx);
451  ASSIGN_VSCALE_FUNC(c->yuv2plane1, mmx, mmxext, cpu_flags & AV_CPU_FLAG_MMXEXT);
452 
453  switch (c->srcFormat) {
454  case AV_PIX_FMT_Y400A:
455  c->lumToYV12 = ff_yuyvToY_mmx;
456  if (c->alpPixBuf)
457  c->alpToYV12 = ff_uyvyToY_mmx;
458  break;
459  case AV_PIX_FMT_YUYV422:
460  c->lumToYV12 = ff_yuyvToY_mmx;
461  c->chrToYV12 = ff_yuyvToUV_mmx;
462  break;
463  case AV_PIX_FMT_UYVY422:
464  c->lumToYV12 = ff_uyvyToY_mmx;
465  c->chrToYV12 = ff_uyvyToUV_mmx;
466  break;
467  case AV_PIX_FMT_NV12:
468  c->chrToYV12 = ff_nv12ToUV_mmx;
469  break;
470  case AV_PIX_FMT_NV21:
471  c->chrToYV12 = ff_nv21ToUV_mmx;
472  break;
473  case_rgb(rgb24, RGB24, mmx);
474  case_rgb(bgr24, BGR24, mmx);
475  case_rgb(bgra, BGRA, mmx);
476  case_rgb(rgba, RGBA, mmx);
477  case_rgb(abgr, ABGR, mmx);
478  case_rgb(argb, ARGB, mmx);
479  default:
480  break;
481  }
482  }
483  if (EXTERNAL_MMXEXT(cpu_flags)) {
484  ASSIGN_VSCALEX_FUNC(c->yuv2planeX, mmxext, , 1);
485  }
486 #endif /* ARCH_X86_32 */
487 #define ASSIGN_SSE_SCALE_FUNC(hscalefn, filtersize, opt1, opt2) \
488  switch (filtersize) { \
489  case 4: ASSIGN_SCALE_FUNC2(hscalefn, 4, opt1, opt2); break; \
490  case 8: ASSIGN_SCALE_FUNC2(hscalefn, 8, opt1, opt2); break; \
491  default: if (filtersize & 4) ASSIGN_SCALE_FUNC2(hscalefn, X4, opt1, opt2); \
492  else ASSIGN_SCALE_FUNC2(hscalefn, X8, opt1, opt2); \
493  break; \
494  }
495  if (EXTERNAL_SSE2(cpu_flags)) {
496  ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, sse2, sse2);
497  ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, sse2, sse2);
498  ASSIGN_VSCALEX_FUNC(c->yuv2planeX, sse2, ,
499  HAVE_ALIGNED_STACK || ARCH_X86_64);
500  ASSIGN_VSCALE_FUNC(c->yuv2plane1, sse2, sse2, 1);
501 
502  switch (c->srcFormat) {
503  case AV_PIX_FMT_Y400A:
504  c->lumToYV12 = ff_yuyvToY_sse2;
505  if (c->alpPixBuf)
506  c->alpToYV12 = ff_uyvyToY_sse2;
507  break;
508  case AV_PIX_FMT_YUYV422:
509  c->lumToYV12 = ff_yuyvToY_sse2;
510  c->chrToYV12 = ff_yuyvToUV_sse2;
511  break;
512  case AV_PIX_FMT_UYVY422:
513  c->lumToYV12 = ff_uyvyToY_sse2;
514  c->chrToYV12 = ff_uyvyToUV_sse2;
515  break;
516  case AV_PIX_FMT_NV12:
517  c->chrToYV12 = ff_nv12ToUV_sse2;
518  break;
519  case AV_PIX_FMT_NV21:
520  c->chrToYV12 = ff_nv21ToUV_sse2;
521  break;
522  case_rgb(rgb24, RGB24, sse2);
523  case_rgb(bgr24, BGR24, sse2);
524  case_rgb(bgra, BGRA, sse2);
525  case_rgb(rgba, RGBA, sse2);
526  case_rgb(abgr, ABGR, sse2);
527  case_rgb(argb, ARGB, sse2);
528  default:
529  break;
530  }
531  }
532  if (EXTERNAL_SSSE3(cpu_flags)) {
533  ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, ssse3, ssse3);
534  ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, ssse3, ssse3);
535  switch (c->srcFormat) {
536  case_rgb(rgb24, RGB24, ssse3);
537  case_rgb(bgr24, BGR24, ssse3);
538  default:
539  break;
540  }
541  }
542  if (EXTERNAL_SSE4(cpu_flags)) {
543  /* Xto15 don't need special sse4 functions */
544  ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, sse4, ssse3);
545  ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, sse4, ssse3);
546  ASSIGN_VSCALEX_FUNC(c->yuv2planeX, sse4,
547  if (!isBE(c->dstFormat)) c->yuv2planeX = ff_yuv2planeX_16_sse4,
548  HAVE_ALIGNED_STACK || ARCH_X86_64);
549  if (c->dstBpc == 16 && !isBE(c->dstFormat))
550  c->yuv2plane1 = ff_yuv2plane1_16_sse4;
551  }
552 
553  if (EXTERNAL_AVX(cpu_flags)) {
554  ASSIGN_VSCALEX_FUNC(c->yuv2planeX, avx, ,
555  HAVE_ALIGNED_STACK || ARCH_X86_64);
556  ASSIGN_VSCALE_FUNC(c->yuv2plane1, avx, avx, 1);
557 
558  switch (c->srcFormat) {
559  case AV_PIX_FMT_YUYV422:
560  c->chrToYV12 = ff_yuyvToUV_avx;
561  break;
562  case AV_PIX_FMT_UYVY422:
563  c->chrToYV12 = ff_uyvyToUV_avx;
564  break;
565  case AV_PIX_FMT_NV12:
566  c->chrToYV12 = ff_nv12ToUV_avx;
567  break;
568  case AV_PIX_FMT_NV21:
569  c->chrToYV12 = ff_nv21ToUV_avx;
570  break;
571  case_rgb(rgb24, RGB24, avx);
572  case_rgb(bgr24, BGR24, avx);
573  case_rgb(bgra, BGRA, avx);
574  case_rgb(rgba, RGBA, avx);
575  case_rgb(abgr, ABGR, avx);
576  case_rgb(argb, ARGB, avx);
577  default:
578  break;
579  }
580  }
581 }
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