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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 #ifdef FAST_BGR2YV12
62 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YCoeff) = 0x000000210041000DULL;
63 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UCoeff) = 0x0000FFEEFFDC0038ULL;
64 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff) = 0x00000038FFD2FFF8ULL;
65 #else
66 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YCoeff) = 0x000020E540830C8BULL;
67 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UCoeff) = 0x0000ED0FDAC23831ULL;
68 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff) = 0x00003831D0E6F6EAULL;
69 #endif /* FAST_BGR2YV12 */
70 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YOffset) = 0x1010101010101010ULL;
71 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UVOffset) = 0x8080808080808080ULL;
72 DECLARE_ALIGNED(8, const uint64_t, ff_w1111) = 0x0001000100010001ULL;
73 
74 
75 //MMX versions
76 #if HAVE_MMX_INLINE
77 #undef RENAME
78 #define COMPILE_TEMPLATE_MMXEXT 0
79 #define RENAME(a) a ## _MMX
80 #include "swscale_template.c"
81 #endif
82 
83 // MMXEXT versions
84 #if HAVE_MMXEXT_INLINE
85 #undef RENAME
86 #undef COMPILE_TEMPLATE_MMXEXT
87 #define COMPILE_TEMPLATE_MMXEXT 1
88 #define RENAME(a) a ## _MMXEXT
89 #include "swscale_template.c"
90 #endif
91 
92 void updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrBufIndex,
93  int lastInLumBuf, int lastInChrBuf)
94 {
95  const int dstH= c->dstH;
96  const int flags= c->flags;
97  int16_t **lumPixBuf= c->lumPixBuf;
98  int16_t **chrUPixBuf= c->chrUPixBuf;
99  int16_t **alpPixBuf= c->alpPixBuf;
100  const int vLumBufSize= c->vLumBufSize;
101  const int vChrBufSize= c->vChrBufSize;
102  int32_t *vLumFilterPos= c->vLumFilterPos;
103  int32_t *vChrFilterPos= c->vChrFilterPos;
104  int16_t *vLumFilter= c->vLumFilter;
105  int16_t *vChrFilter= c->vChrFilter;
106  int32_t *lumMmxFilter= c->lumMmxFilter;
107  int32_t *chrMmxFilter= c->chrMmxFilter;
108  int32_t av_unused *alpMmxFilter= c->alpMmxFilter;
109  const int vLumFilterSize= c->vLumFilterSize;
110  const int vChrFilterSize= c->vChrFilterSize;
111  const int chrDstY= dstY>>c->chrDstVSubSample;
112  const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input
113  const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input
114 
115  c->blueDither= ff_dither8[dstY&1];
116  if (c->dstFormat == AV_PIX_FMT_RGB555 || c->dstFormat == AV_PIX_FMT_BGR555)
117  c->greenDither= ff_dither8[dstY&1];
118  else
119  c->greenDither= ff_dither4[dstY&1];
120  c->redDither= ff_dither8[(dstY+1)&1];
121  if (dstY < dstH - 2) {
122  const int16_t **lumSrcPtr= (const int16_t **)(void*) lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
123  const int16_t **chrUSrcPtr= (const int16_t **)(void*) chrUPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
124  const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **)(void*) alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL;
125  int i;
126 
127  if (firstLumSrcY < 0 || firstLumSrcY + vLumFilterSize > c->srcH) {
128  const int16_t **tmpY = (const int16_t **) lumPixBuf + 2 * vLumBufSize;
129  int neg = -firstLumSrcY, i, end = FFMIN(c->srcH - firstLumSrcY, vLumFilterSize);
130  for (i = 0; i < neg; i++)
131  tmpY[i] = lumSrcPtr[neg];
132  for ( ; i < end; i++)
133  tmpY[i] = lumSrcPtr[i];
134  for ( ; i < vLumFilterSize; i++)
135  tmpY[i] = tmpY[i-1];
136  lumSrcPtr = tmpY;
137 
138  if (alpSrcPtr) {
139  const int16_t **tmpA = (const int16_t **) alpPixBuf + 2 * vLumBufSize;
140  for (i = 0; i < neg; i++)
141  tmpA[i] = alpSrcPtr[neg];
142  for ( ; i < end; i++)
143  tmpA[i] = alpSrcPtr[i];
144  for ( ; i < vLumFilterSize; i++)
145  tmpA[i] = tmpA[i - 1];
146  alpSrcPtr = tmpA;
147  }
148  }
149  if (firstChrSrcY < 0 || firstChrSrcY + vChrFilterSize > c->chrSrcH) {
150  const int16_t **tmpU = (const int16_t **) chrUPixBuf + 2 * vChrBufSize;
151  int neg = -firstChrSrcY, i, end = FFMIN(c->chrSrcH - firstChrSrcY, vChrFilterSize);
152  for (i = 0; i < neg; i++) {
153  tmpU[i] = chrUSrcPtr[neg];
154  }
155  for ( ; i < end; i++) {
156  tmpU[i] = chrUSrcPtr[i];
157  }
158  for ( ; i < vChrFilterSize; i++) {
159  tmpU[i] = tmpU[i - 1];
160  }
161  chrUSrcPtr = tmpU;
162  }
163 
164  if (flags & SWS_ACCURATE_RND) {
165  int s= APCK_SIZE / 8;
166  for (i=0; i<vLumFilterSize; i+=2) {
167  *(const void**)&lumMmxFilter[s*i ]= lumSrcPtr[i ];
168  *(const void**)&lumMmxFilter[s*i+APCK_PTR2/4 ]= lumSrcPtr[i+(vLumFilterSize>1)];
169  lumMmxFilter[s*i+APCK_COEF/4 ]=
170  lumMmxFilter[s*i+APCK_COEF/4+1]= vLumFilter[dstY*vLumFilterSize + i ]
171  + (vLumFilterSize>1 ? vLumFilter[dstY*vLumFilterSize + i + 1]<<16 : 0);
172  if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {
173  *(const void**)&alpMmxFilter[s*i ]= alpSrcPtr[i ];
174  *(const void**)&alpMmxFilter[s*i+APCK_PTR2/4 ]= alpSrcPtr[i+(vLumFilterSize>1)];
175  alpMmxFilter[s*i+APCK_COEF/4 ]=
176  alpMmxFilter[s*i+APCK_COEF/4+1]= lumMmxFilter[s*i+APCK_COEF/4 ];
177  }
178  }
179  for (i=0; i<vChrFilterSize; i+=2) {
180  *(const void**)&chrMmxFilter[s*i ]= chrUSrcPtr[i ];
181  *(const void**)&chrMmxFilter[s*i+APCK_PTR2/4 ]= chrUSrcPtr[i+(vChrFilterSize>1)];
182  chrMmxFilter[s*i+APCK_COEF/4 ]=
183  chrMmxFilter[s*i+APCK_COEF/4+1]= vChrFilter[chrDstY*vChrFilterSize + i ]
184  + (vChrFilterSize>1 ? vChrFilter[chrDstY*vChrFilterSize + i + 1]<<16 : 0);
185  }
186  } else {
187  for (i=0; i<vLumFilterSize; i++) {
188  *(const void**)&lumMmxFilter[4*i+0]= lumSrcPtr[i];
189  lumMmxFilter[4*i+2]=
190  lumMmxFilter[4*i+3]=
191  ((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001U;
192  if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {
193  *(const void**)&alpMmxFilter[4*i+0]= alpSrcPtr[i];
194  alpMmxFilter[4*i+2]=
195  alpMmxFilter[4*i+3]= lumMmxFilter[4*i+2];
196  }
197  }
198  for (i=0; i<vChrFilterSize; i++) {
199  *(const void**)&chrMmxFilter[4*i+0]= chrUSrcPtr[i];
200  chrMmxFilter[4*i+2]=
201  chrMmxFilter[4*i+3]=
202  ((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001U;
203  }
204  }
205  }
206 }
207 
208 #if HAVE_MMXEXT
209 static void yuv2yuvX_sse3(const int16_t *filter, int filterSize,
210  const int16_t **src, uint8_t *dest, int dstW,
211  const uint8_t *dither, int offset)
212 {
213  if(((int)dest) & 15){
214  return yuv2yuvX_MMXEXT(filter, filterSize, src, dest, dstW, dither, offset);
215  }
216  if (offset) {
217  __asm__ volatile("movq (%0), %%xmm3\n\t"
218  "movdqa %%xmm3, %%xmm4\n\t"
219  "psrlq $24, %%xmm3\n\t"
220  "psllq $40, %%xmm4\n\t"
221  "por %%xmm4, %%xmm3\n\t"
222  :: "r"(dither)
223  );
224  } else {
225  __asm__ volatile("movq (%0), %%xmm3\n\t"
226  :: "r"(dither)
227  );
228  }
229  __asm__ volatile(
230  "pxor %%xmm0, %%xmm0\n\t"
231  "punpcklbw %%xmm0, %%xmm3\n\t"
232  "psraw $4, %%xmm3\n\t"
233  "movdqa %%xmm3, %%xmm4\n\t"
234  "movdqa %%xmm3, %%xmm7\n\t"
235  "movl %3, %%ecx\n\t"
236  "mov %0, %%"REG_d" \n\t"\
237  "mov (%%"REG_d"), %%"REG_S" \n\t"\
238  ".p2align 4 \n\t" /* FIXME Unroll? */\
239  "1: \n\t"\
240  "movddup 8(%%"REG_d"), %%xmm0 \n\t" /* filterCoeff */\
241  "movdqa (%%"REG_S", %%"REG_c", 2), %%xmm2 \n\t" /* srcData */\
242  "movdqa 16(%%"REG_S", %%"REG_c", 2), %%xmm5 \n\t" /* srcData */\
243  "add $16, %%"REG_d" \n\t"\
244  "mov (%%"REG_d"), %%"REG_S" \n\t"\
245  "test %%"REG_S", %%"REG_S" \n\t"\
246  "pmulhw %%xmm0, %%xmm2 \n\t"\
247  "pmulhw %%xmm0, %%xmm5 \n\t"\
248  "paddw %%xmm2, %%xmm3 \n\t"\
249  "paddw %%xmm5, %%xmm4 \n\t"\
250  " jnz 1b \n\t"\
251  "psraw $3, %%xmm3 \n\t"\
252  "psraw $3, %%xmm4 \n\t"\
253  "packuswb %%xmm4, %%xmm3 \n\t"
254  "movntdq %%xmm3, (%1, %%"REG_c")\n\t"
255  "add $16, %%"REG_c" \n\t"\
256  "cmp %2, %%"REG_c" \n\t"\
257  "movdqa %%xmm7, %%xmm3\n\t"
258  "movdqa %%xmm7, %%xmm4\n\t"
259  "mov %0, %%"REG_d" \n\t"\
260  "mov (%%"REG_d"), %%"REG_S" \n\t"\
261  "jb 1b \n\t"\
262  :: "g" (filter),
263  "r" (dest-offset), "g" ((x86_reg)(dstW+offset)), "m" (offset)
264  : "%"REG_d, "%"REG_S, "%"REG_c
265  );
266 }
267 #endif
268 
269 #endif /* HAVE_INLINE_ASM */
270 
271 #define SCALE_FUNC(filter_n, from_bpc, to_bpc, opt) \
272 extern void ff_hscale ## from_bpc ## to ## to_bpc ## _ ## filter_n ## _ ## opt( \
273  SwsContext *c, int16_t *data, \
274  int dstW, const uint8_t *src, \
275  const int16_t *filter, \
276  const int32_t *filterPos, int filterSize)
277 
278 #define SCALE_FUNCS(filter_n, opt) \
279  SCALE_FUNC(filter_n, 8, 15, opt); \
280  SCALE_FUNC(filter_n, 9, 15, opt); \
281  SCALE_FUNC(filter_n, 10, 15, opt); \
282  SCALE_FUNC(filter_n, 12, 15, opt); \
283  SCALE_FUNC(filter_n, 14, 15, opt); \
284  SCALE_FUNC(filter_n, 16, 15, opt); \
285  SCALE_FUNC(filter_n, 8, 19, opt); \
286  SCALE_FUNC(filter_n, 9, 19, opt); \
287  SCALE_FUNC(filter_n, 10, 19, opt); \
288  SCALE_FUNC(filter_n, 12, 19, opt); \
289  SCALE_FUNC(filter_n, 14, 19, opt); \
290  SCALE_FUNC(filter_n, 16, 19, opt)
291 
292 #define SCALE_FUNCS_MMX(opt) \
293  SCALE_FUNCS(4, opt); \
294  SCALE_FUNCS(8, opt); \
295  SCALE_FUNCS(X, opt)
296 
297 #define SCALE_FUNCS_SSE(opt) \
298  SCALE_FUNCS(4, opt); \
299  SCALE_FUNCS(8, opt); \
300  SCALE_FUNCS(X4, opt); \
301  SCALE_FUNCS(X8, opt)
302 
303 #if ARCH_X86_32
304 SCALE_FUNCS_MMX(mmx);
305 #endif
306 SCALE_FUNCS_SSE(sse2);
307 SCALE_FUNCS_SSE(ssse3);
308 SCALE_FUNCS_SSE(sse4);
309 
310 #define VSCALEX_FUNC(size, opt) \
311 extern void ff_yuv2planeX_ ## size ## _ ## opt(const int16_t *filter, int filterSize, \
312  const int16_t **src, uint8_t *dest, int dstW, \
313  const uint8_t *dither, int offset)
314 #define VSCALEX_FUNCS(opt) \
315  VSCALEX_FUNC(8, opt); \
316  VSCALEX_FUNC(9, opt); \
317  VSCALEX_FUNC(10, opt)
318 
319 #if ARCH_X86_32
320 VSCALEX_FUNCS(mmxext);
321 #endif
322 VSCALEX_FUNCS(sse2);
323 VSCALEX_FUNCS(sse4);
324 VSCALEX_FUNC(16, sse4);
325 VSCALEX_FUNCS(avx);
326 
327 #define VSCALE_FUNC(size, opt) \
328 extern void ff_yuv2plane1_ ## size ## _ ## opt(const int16_t *src, uint8_t *dst, int dstW, \
329  const uint8_t *dither, int offset)
330 #define VSCALE_FUNCS(opt1, opt2) \
331  VSCALE_FUNC(8, opt1); \
332  VSCALE_FUNC(9, opt2); \
333  VSCALE_FUNC(10, opt2); \
334  VSCALE_FUNC(16, opt1)
335 
336 #if ARCH_X86_32
337 VSCALE_FUNCS(mmx, mmxext);
338 #endif
339 VSCALE_FUNCS(sse2, sse2);
340 VSCALE_FUNC(16, sse4);
341 VSCALE_FUNCS(avx, avx);
342 
343 #define INPUT_Y_FUNC(fmt, opt) \
344 extern void ff_ ## fmt ## ToY_ ## opt(uint8_t *dst, const uint8_t *src, \
345  const uint8_t *unused1, const uint8_t *unused2, \
346  int w, uint32_t *unused)
347 #define INPUT_UV_FUNC(fmt, opt) \
348 extern void ff_ ## fmt ## ToUV_ ## opt(uint8_t *dstU, uint8_t *dstV, \
349  const uint8_t *unused0, \
350  const uint8_t *src1, \
351  const uint8_t *src2, \
352  int w, uint32_t *unused)
353 #define INPUT_FUNC(fmt, opt) \
354  INPUT_Y_FUNC(fmt, opt); \
355  INPUT_UV_FUNC(fmt, opt)
356 #define INPUT_FUNCS(opt) \
357  INPUT_FUNC(uyvy, opt); \
358  INPUT_FUNC(yuyv, opt); \
359  INPUT_UV_FUNC(nv12, opt); \
360  INPUT_UV_FUNC(nv21, opt); \
361  INPUT_FUNC(rgba, opt); \
362  INPUT_FUNC(bgra, opt); \
363  INPUT_FUNC(argb, opt); \
364  INPUT_FUNC(abgr, opt); \
365  INPUT_FUNC(rgb24, opt); \
366  INPUT_FUNC(bgr24, opt)
367 
368 #if ARCH_X86_32
369 INPUT_FUNCS(mmx);
370 #endif
371 INPUT_FUNCS(sse2);
372 INPUT_FUNCS(ssse3);
373 INPUT_FUNCS(avx);
374 
375 av_cold void ff_sws_init_swScale_mmx(SwsContext *c)
376 {
377  int cpu_flags = av_get_cpu_flags();
378 
379 #if HAVE_INLINE_ASM
380  if (cpu_flags & AV_CPU_FLAG_MMX)
381  sws_init_swScale_MMX(c);
382 #if HAVE_MMXEXT_INLINE
383  if (cpu_flags & AV_CPU_FLAG_MMXEXT)
384  sws_init_swScale_MMXEXT(c);
385  if (cpu_flags & AV_CPU_FLAG_SSE3){
386  if(c->use_mmx_vfilter && !(c->flags & SWS_ACCURATE_RND))
387  c->yuv2planeX = yuv2yuvX_sse3;
388  }
389 #endif
390 #endif /* HAVE_INLINE_ASM */
391 
392 #define ASSIGN_SCALE_FUNC2(hscalefn, filtersize, opt1, opt2) do { \
393  if (c->srcBpc == 8) { \
394  hscalefn = c->dstBpc <= 14 ? ff_hscale8to15_ ## filtersize ## _ ## opt2 : \
395  ff_hscale8to19_ ## filtersize ## _ ## opt1; \
396  } else if (c->srcBpc == 9) { \
397  hscalefn = c->dstBpc <= 14 ? ff_hscale9to15_ ## filtersize ## _ ## opt2 : \
398  ff_hscale9to19_ ## filtersize ## _ ## opt1; \
399  } else if (c->srcBpc == 10) { \
400  hscalefn = c->dstBpc <= 14 ? ff_hscale10to15_ ## filtersize ## _ ## opt2 : \
401  ff_hscale10to19_ ## filtersize ## _ ## opt1; \
402  } else if (c->srcBpc == 12) { \
403  hscalefn = c->dstBpc <= 14 ? ff_hscale12to15_ ## filtersize ## _ ## opt2 : \
404  ff_hscale12to19_ ## filtersize ## _ ## opt1; \
405  } 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)) { \
406  hscalefn = c->dstBpc <= 14 ? ff_hscale14to15_ ## filtersize ## _ ## opt2 : \
407  ff_hscale14to19_ ## filtersize ## _ ## opt1; \
408  } else { /* c->srcBpc == 16 */ \
409  av_assert0(c->srcBpc == 16);\
410  hscalefn = c->dstBpc <= 14 ? ff_hscale16to15_ ## filtersize ## _ ## opt2 : \
411  ff_hscale16to19_ ## filtersize ## _ ## opt1; \
412  } \
413 } while (0)
414 #define ASSIGN_MMX_SCALE_FUNC(hscalefn, filtersize, opt1, opt2) \
415  switch (filtersize) { \
416  case 4: ASSIGN_SCALE_FUNC2(hscalefn, 4, opt1, opt2); break; \
417  case 8: ASSIGN_SCALE_FUNC2(hscalefn, 8, opt1, opt2); break; \
418  default: ASSIGN_SCALE_FUNC2(hscalefn, X, opt1, opt2); break; \
419  }
420 #define ASSIGN_VSCALEX_FUNC(vscalefn, opt, do_16_case, condition_8bit) \
421 switch(c->dstBpc){ \
422  case 16: do_16_case; break; \
423  case 10: if (!isBE(c->dstFormat)) vscalefn = ff_yuv2planeX_10_ ## opt; break; \
424  case 9: if (!isBE(c->dstFormat)) vscalefn = ff_yuv2planeX_9_ ## opt; break; \
425  default: if (condition_8bit) /*vscalefn = ff_yuv2planeX_8_ ## opt;*/ break; \
426  }
427 #define ASSIGN_VSCALE_FUNC(vscalefn, opt1, opt2, opt2chk) \
428  switch(c->dstBpc){ \
429  case 16: if (!isBE(c->dstFormat)) vscalefn = ff_yuv2plane1_16_ ## opt1; break; \
430  case 10: if (!isBE(c->dstFormat) && opt2chk) vscalefn = ff_yuv2plane1_10_ ## opt2; break; \
431  case 9: if (!isBE(c->dstFormat) && opt2chk) vscalefn = ff_yuv2plane1_9_ ## opt2; break; \
432  case 8: vscalefn = ff_yuv2plane1_8_ ## opt1; break; \
433  default: av_assert0(c->dstBpc>8); \
434  }
435 #define case_rgb(x, X, opt) \
436  case AV_PIX_FMT_ ## X: \
437  c->lumToYV12 = ff_ ## x ## ToY_ ## opt; \
438  if (!c->chrSrcHSubSample) \
439  c->chrToYV12 = ff_ ## x ## ToUV_ ## opt; \
440  break
441 #if ARCH_X86_32
442  if (EXTERNAL_MMX(cpu_flags)) {
443  ASSIGN_MMX_SCALE_FUNC(c->hyScale, c->hLumFilterSize, mmx, mmx);
444  ASSIGN_MMX_SCALE_FUNC(c->hcScale, c->hChrFilterSize, mmx, mmx);
445  ASSIGN_VSCALE_FUNC(c->yuv2plane1, mmx, mmxext, cpu_flags & AV_CPU_FLAG_MMXEXT);
446 
447  switch (c->srcFormat) {
448  case AV_PIX_FMT_Y400A:
449  c->lumToYV12 = ff_yuyvToY_mmx;
450  if (c->alpPixBuf)
451  c->alpToYV12 = ff_uyvyToY_mmx;
452  break;
453  case AV_PIX_FMT_YUYV422:
454  c->lumToYV12 = ff_yuyvToY_mmx;
455  c->chrToYV12 = ff_yuyvToUV_mmx;
456  break;
457  case AV_PIX_FMT_UYVY422:
458  c->lumToYV12 = ff_uyvyToY_mmx;
459  c->chrToYV12 = ff_uyvyToUV_mmx;
460  break;
461  case AV_PIX_FMT_NV12:
462  c->chrToYV12 = ff_nv12ToUV_mmx;
463  break;
464  case AV_PIX_FMT_NV21:
465  c->chrToYV12 = ff_nv21ToUV_mmx;
466  break;
467  case_rgb(rgb24, RGB24, mmx);
468  case_rgb(bgr24, BGR24, mmx);
469  case_rgb(bgra, BGRA, mmx);
470  case_rgb(rgba, RGBA, mmx);
471  case_rgb(abgr, ABGR, mmx);
472  case_rgb(argb, ARGB, mmx);
473  default:
474  break;
475  }
476  }
477  if (EXTERNAL_MMXEXT(cpu_flags)) {
478  ASSIGN_VSCALEX_FUNC(c->yuv2planeX, mmxext, , 1);
479  }
480 #endif /* ARCH_X86_32 */
481 #define ASSIGN_SSE_SCALE_FUNC(hscalefn, filtersize, opt1, opt2) \
482  switch (filtersize) { \
483  case 4: ASSIGN_SCALE_FUNC2(hscalefn, 4, opt1, opt2); break; \
484  case 8: ASSIGN_SCALE_FUNC2(hscalefn, 8, opt1, opt2); break; \
485  default: if (filtersize & 4) ASSIGN_SCALE_FUNC2(hscalefn, X4, opt1, opt2); \
486  else ASSIGN_SCALE_FUNC2(hscalefn, X8, opt1, opt2); \
487  break; \
488  }
489  if (EXTERNAL_SSE2(cpu_flags)) {
490  ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, sse2, sse2);
491  ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, sse2, sse2);
492  ASSIGN_VSCALEX_FUNC(c->yuv2planeX, sse2, ,
493  HAVE_ALIGNED_STACK || ARCH_X86_64);
494  ASSIGN_VSCALE_FUNC(c->yuv2plane1, sse2, sse2, 1);
495 
496  switch (c->srcFormat) {
497  case AV_PIX_FMT_Y400A:
498  c->lumToYV12 = ff_yuyvToY_sse2;
499  if (c->alpPixBuf)
500  c->alpToYV12 = ff_uyvyToY_sse2;
501  break;
502  case AV_PIX_FMT_YUYV422:
503  c->lumToYV12 = ff_yuyvToY_sse2;
504  c->chrToYV12 = ff_yuyvToUV_sse2;
505  break;
506  case AV_PIX_FMT_UYVY422:
507  c->lumToYV12 = ff_uyvyToY_sse2;
508  c->chrToYV12 = ff_uyvyToUV_sse2;
509  break;
510  case AV_PIX_FMT_NV12:
511  c->chrToYV12 = ff_nv12ToUV_sse2;
512  break;
513  case AV_PIX_FMT_NV21:
514  c->chrToYV12 = ff_nv21ToUV_sse2;
515  break;
516  case_rgb(rgb24, RGB24, sse2);
517  case_rgb(bgr24, BGR24, sse2);
518  case_rgb(bgra, BGRA, sse2);
519  case_rgb(rgba, RGBA, sse2);
520  case_rgb(abgr, ABGR, sse2);
521  case_rgb(argb, ARGB, sse2);
522  default:
523  break;
524  }
525  }
526  if (EXTERNAL_SSSE3(cpu_flags)) {
527  ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, ssse3, ssse3);
528  ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, ssse3, ssse3);
529  switch (c->srcFormat) {
530  case_rgb(rgb24, RGB24, ssse3);
531  case_rgb(bgr24, BGR24, ssse3);
532  default:
533  break;
534  }
535  }
536  if (EXTERNAL_SSE4(cpu_flags)) {
537  /* Xto15 don't need special sse4 functions */
538  ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, sse4, ssse3);
539  ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, sse4, ssse3);
540  ASSIGN_VSCALEX_FUNC(c->yuv2planeX, sse4,
541  if (!isBE(c->dstFormat)) c->yuv2planeX = ff_yuv2planeX_16_sse4,
542  HAVE_ALIGNED_STACK || ARCH_X86_64);
543  if (c->dstBpc == 16 && !isBE(c->dstFormat))
544  c->yuv2plane1 = ff_yuv2plane1_16_sse4;
545  }
546 
547  if (EXTERNAL_AVX(cpu_flags)) {
548  ASSIGN_VSCALEX_FUNC(c->yuv2planeX, avx, ,
549  HAVE_ALIGNED_STACK || ARCH_X86_64);
550  ASSIGN_VSCALE_FUNC(c->yuv2plane1, avx, avx, 1);
551 
552  switch (c->srcFormat) {
553  case AV_PIX_FMT_YUYV422:
554  c->chrToYV12 = ff_yuyvToUV_avx;
555  break;
556  case AV_PIX_FMT_UYVY422:
557  c->chrToYV12 = ff_uyvyToUV_avx;
558  break;
559  case AV_PIX_FMT_NV12:
560  c->chrToYV12 = ff_nv12ToUV_avx;
561  break;
562  case AV_PIX_FMT_NV21:
563  c->chrToYV12 = ff_nv21ToUV_avx;
564  break;
565  case_rgb(rgb24, RGB24, avx);
566  case_rgb(bgr24, BGR24, avx);
567  case_rgb(bgra, BGRA, avx);
568  case_rgb(rgba, RGBA, avx);
569  case_rgb(abgr, ABGR, avx);
570  case_rgb(argb, ARGB, avx);
571  default:
572  break;
573  }
574  }
575 }
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