FFmpeg  4.4.6
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"
25 #include "libavutil/attributes.h"
26 #include "libavutil/avassert.h"
27 #include "libavutil/intreadwrite.h"
28 #include "libavutil/x86/cpu.h"
29 #include "libavutil/cpu.h"
30 #include "libavutil/mem_internal.h"
31 #include "libavutil/pixdesc.h"
32 
33 const DECLARE_ALIGNED(8, uint64_t, ff_dither4)[2] = {
34  0x0103010301030103LL,
35  0x0200020002000200LL,};
36 
37 const DECLARE_ALIGNED(8, uint64_t, ff_dither8)[2] = {
38  0x0602060206020602LL,
39  0x0004000400040004LL,};
40 
41 #if HAVE_INLINE_ASM
42 
43 #define DITHER1XBPP
44 
45 DECLARE_ASM_CONST(8, uint64_t, bF8)= 0xF8F8F8F8F8F8F8F8LL;
46 DECLARE_ASM_CONST(8, uint64_t, bFC)= 0xFCFCFCFCFCFCFCFCLL;
47 
48 DECLARE_ASM_ALIGNED(8, const uint64_t, ff_M24A) = 0x00FF0000FF0000FFLL;
49 DECLARE_ASM_ALIGNED(8, const uint64_t, ff_M24B) = 0xFF0000FF0000FF00LL;
50 DECLARE_ASM_ALIGNED(8, const uint64_t, ff_M24C) = 0x0000FF0000FF0000LL;
51 
52 DECLARE_ASM_ALIGNED(8, const uint64_t, ff_bgr2YOffset) = 0x1010101010101010ULL;
53 DECLARE_ASM_ALIGNED(8, const uint64_t, ff_bgr2UVOffset) = 0x8080808080808080ULL;
54 DECLARE_ASM_ALIGNED(8, const uint64_t, ff_w1111) = 0x0001000100010001ULL;
55 
56 
57 //MMX versions
58 #if HAVE_MMX_INLINE
59 #undef RENAME
60 #define COMPILE_TEMPLATE_MMXEXT 0
61 #define RENAME(a) a ## _mmx
62 #include "swscale_template.c"
63 #endif
64 
65 // MMXEXT versions
66 #if HAVE_MMXEXT_INLINE
67 #undef RENAME
68 #undef COMPILE_TEMPLATE_MMXEXT
69 #define COMPILE_TEMPLATE_MMXEXT 1
70 #define RENAME(a) a ## _mmxext
71 #include "swscale_template.c"
72 #endif
73 
74 void ff_updateMMXDitherTables(SwsContext *c, int dstY)
75 {
76  const int dstH= c->dstH;
77  const int flags= c->flags;
78 
79  SwsPlane *lumPlane = &c->slice[c->numSlice-2].plane[0];
80  SwsPlane *chrUPlane = &c->slice[c->numSlice-2].plane[1];
81  SwsPlane *alpPlane = &c->slice[c->numSlice-2].plane[3];
82 
83  int hasAlpha = c->needAlpha;
84  int32_t *vLumFilterPos= c->vLumFilterPos;
85  int32_t *vChrFilterPos= c->vChrFilterPos;
86  int16_t *vLumFilter= c->vLumFilter;
87  int16_t *vChrFilter= c->vChrFilter;
88  int32_t *lumMmxFilter= c->lumMmxFilter;
89  int32_t *chrMmxFilter= c->chrMmxFilter;
90  int32_t av_unused *alpMmxFilter= c->alpMmxFilter;
91  const int vLumFilterSize= c->vLumFilterSize;
92  const int vChrFilterSize= c->vChrFilterSize;
93  const int chrDstY= dstY>>c->chrDstVSubSample;
94  const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input
95  const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input
96 
97  c->blueDither= ff_dither8[dstY&1];
98  if (c->dstFormat == AV_PIX_FMT_RGB555 || c->dstFormat == AV_PIX_FMT_BGR555)
99  c->greenDither= ff_dither8[dstY&1];
100  else
101  c->greenDither= ff_dither4[dstY&1];
102  c->redDither= ff_dither8[(dstY+1)&1];
103  if (dstY < dstH - 2) {
104  const int16_t **lumSrcPtr = (const int16_t **)(void*) lumPlane->line + firstLumSrcY - lumPlane->sliceY;
105  const int16_t **chrUSrcPtr = (const int16_t **)(void*) chrUPlane->line + firstChrSrcY - chrUPlane->sliceY;
106  const int16_t **alpSrcPtr = (CONFIG_SWSCALE_ALPHA && hasAlpha) ? (const int16_t **)(void*) alpPlane->line + firstLumSrcY - alpPlane->sliceY : NULL;
107 
108  int i;
109  if (firstLumSrcY < 0 || firstLumSrcY + vLumFilterSize > c->srcH) {
110  const int16_t **tmpY = (const int16_t **) lumPlane->tmp;
111 
112  int neg = -firstLumSrcY, i, end = FFMIN(c->srcH - firstLumSrcY, vLumFilterSize);
113  for (i = 0; i < neg; i++)
114  tmpY[i] = lumSrcPtr[neg];
115  for ( ; i < end; i++)
116  tmpY[i] = lumSrcPtr[i];
117  for ( ; i < vLumFilterSize; i++)
118  tmpY[i] = tmpY[i-1];
119  lumSrcPtr = tmpY;
120 
121  if (alpSrcPtr) {
122  const int16_t **tmpA = (const int16_t **) alpPlane->tmp;
123  for (i = 0; i < neg; i++)
124  tmpA[i] = alpSrcPtr[neg];
125  for ( ; i < end; i++)
126  tmpA[i] = alpSrcPtr[i];
127  for ( ; i < vLumFilterSize; i++)
128  tmpA[i] = tmpA[i - 1];
129  alpSrcPtr = tmpA;
130  }
131  }
132  if (firstChrSrcY < 0 || firstChrSrcY + vChrFilterSize > c->chrSrcH) {
133  const int16_t **tmpU = (const int16_t **) chrUPlane->tmp;
134  int neg = -firstChrSrcY, i, end = FFMIN(c->chrSrcH - firstChrSrcY, vChrFilterSize);
135  for (i = 0; i < neg; i++) {
136  tmpU[i] = chrUSrcPtr[neg];
137  }
138  for ( ; i < end; i++) {
139  tmpU[i] = chrUSrcPtr[i];
140  }
141  for ( ; i < vChrFilterSize; i++) {
142  tmpU[i] = tmpU[i - 1];
143  }
144  chrUSrcPtr = tmpU;
145  }
146 
147  if (flags & SWS_ACCURATE_RND) {
148  int s= APCK_SIZE / 8;
149  for (i=0; i<vLumFilterSize; i+=2) {
150  *(const void**)&lumMmxFilter[s*i ]= lumSrcPtr[i ];
151  *(const void**)&lumMmxFilter[s*i+APCK_PTR2/4 ]= lumSrcPtr[i+(vLumFilterSize>1)];
152  lumMmxFilter[s*i+APCK_COEF/4 ]=
153  lumMmxFilter[s*i+APCK_COEF/4+1]= vLumFilter[dstY*vLumFilterSize + i ]
154  + (vLumFilterSize>1 ? vLumFilter[dstY*vLumFilterSize + i + 1] * (1 << 16) : 0);
155  if (CONFIG_SWSCALE_ALPHA && hasAlpha) {
156  *(const void**)&alpMmxFilter[s*i ]= alpSrcPtr[i ];
157  *(const void**)&alpMmxFilter[s*i+APCK_PTR2/4 ]= alpSrcPtr[i+(vLumFilterSize>1)];
158  alpMmxFilter[s*i+APCK_COEF/4 ]=
159  alpMmxFilter[s*i+APCK_COEF/4+1]= lumMmxFilter[s*i+APCK_COEF/4 ];
160  }
161  }
162  for (i=0; i<vChrFilterSize; i+=2) {
163  *(const void**)&chrMmxFilter[s*i ]= chrUSrcPtr[i ];
164  *(const void**)&chrMmxFilter[s*i+APCK_PTR2/4 ]= chrUSrcPtr[i+(vChrFilterSize>1)];
165  chrMmxFilter[s*i+APCK_COEF/4 ]=
166  chrMmxFilter[s*i+APCK_COEF/4+1]= vChrFilter[chrDstY*vChrFilterSize + i ]
167  + (vChrFilterSize>1 ? vChrFilter[chrDstY*vChrFilterSize + i + 1] * (1 << 16) : 0);
168  }
169  } else {
170  for (i=0; i<vLumFilterSize; i++) {
171  *(const void**)&lumMmxFilter[4*i+0]= lumSrcPtr[i];
172  lumMmxFilter[4*i+2]=
173  lumMmxFilter[4*i+3]=
174  ((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001U;
175  if (CONFIG_SWSCALE_ALPHA && hasAlpha) {
176  *(const void**)&alpMmxFilter[4*i+0]= alpSrcPtr[i];
177  alpMmxFilter[4*i+2]=
178  alpMmxFilter[4*i+3]= lumMmxFilter[4*i+2];
179  }
180  }
181  for (i=0; i<vChrFilterSize; i++) {
182  *(const void**)&chrMmxFilter[4*i+0]= chrUSrcPtr[i];
183  chrMmxFilter[4*i+2]=
184  chrMmxFilter[4*i+3]=
185  ((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001U;
186  }
187  }
188  }
189 }
190 #endif /* HAVE_INLINE_ASM */
191 
192 #define YUV2YUVX_FUNC_MMX(opt, step) \
193 void ff_yuv2yuvX_ ##opt(const int16_t *filter, int filterSize, int srcOffset, \
194  uint8_t *dest, int dstW, \
195  const uint8_t *dither, int offset); \
196 static void yuv2yuvX_ ##opt(const int16_t *filter, int filterSize, \
197  const int16_t **src, uint8_t *dest, int dstW, \
198  const uint8_t *dither, int offset) \
199 { \
200  if(dstW > 0) \
201  ff_yuv2yuvX_ ##opt(filter, filterSize - 1, 0, dest - offset, dstW + offset, dither, offset); \
202  return; \
203 }
204 
205 #define YUV2YUVX_FUNC(opt, step) \
206 void ff_yuv2yuvX_ ##opt(const int16_t *filter, int filterSize, int srcOffset, \
207  uint8_t *dest, int dstW, \
208  const uint8_t *dither, int offset); \
209 static void yuv2yuvX_ ##opt(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  int remainder = (dstW % step); \
214  int pixelsProcessed = dstW - remainder; \
215  if(((uintptr_t)dest) & 15){ \
216  yuv2yuvX_mmx(filter, filterSize, src, dest, dstW, dither, offset); \
217  return; \
218  } \
219  if(pixelsProcessed > 0) \
220  ff_yuv2yuvX_ ##opt(filter, filterSize - 1, 0, dest - offset, pixelsProcessed + offset, dither, offset); \
221  if(remainder > 0){ \
222  ff_yuv2yuvX_mmx(filter, filterSize - 1, pixelsProcessed, dest - offset, pixelsProcessed + remainder + offset, dither, offset); \
223  } \
224  return; \
225 }
226 
227 #if HAVE_MMX_EXTERNAL
228 YUV2YUVX_FUNC_MMX(mmx, 16)
229 #endif
230 #if HAVE_MMXEXT_EXTERNAL
231 YUV2YUVX_FUNC_MMX(mmxext, 16)
232 #endif
233 #if HAVE_SSE3_EXTERNAL
234 YUV2YUVX_FUNC(sse3, 32)
235 #endif
236 #if HAVE_AVX2_EXTERNAL
237 YUV2YUVX_FUNC(avx2, 64)
238 #endif
239 
240 #define SCALE_FUNC(filter_n, from_bpc, to_bpc, opt) \
241 void ff_hscale ## from_bpc ## to ## to_bpc ## _ ## filter_n ## _ ## opt( \
242  SwsContext *c, int16_t *data, \
243  int dstW, const uint8_t *src, \
244  const int16_t *filter, \
245  const int32_t *filterPos, int filterSize)
246 
247 #define SCALE_FUNCS(filter_n, opt) \
248  SCALE_FUNC(filter_n, 8, 15, opt); \
249  SCALE_FUNC(filter_n, 9, 15, opt); \
250  SCALE_FUNC(filter_n, 10, 15, opt); \
251  SCALE_FUNC(filter_n, 12, 15, opt); \
252  SCALE_FUNC(filter_n, 14, 15, opt); \
253  SCALE_FUNC(filter_n, 16, 15, opt); \
254  SCALE_FUNC(filter_n, 8, 19, opt); \
255  SCALE_FUNC(filter_n, 9, 19, opt); \
256  SCALE_FUNC(filter_n, 10, 19, opt); \
257  SCALE_FUNC(filter_n, 12, 19, opt); \
258  SCALE_FUNC(filter_n, 14, 19, opt); \
259  SCALE_FUNC(filter_n, 16, 19, opt)
260 
261 #define SCALE_FUNCS_MMX(opt) \
262  SCALE_FUNCS(4, opt); \
263  SCALE_FUNCS(8, opt); \
264  SCALE_FUNCS(X, opt)
265 
266 #define SCALE_FUNCS_SSE(opt) \
267  SCALE_FUNCS(4, opt); \
268  SCALE_FUNCS(8, opt); \
269  SCALE_FUNCS(X4, opt); \
270  SCALE_FUNCS(X8, opt)
271 
272 #if ARCH_X86_32
273 SCALE_FUNCS_MMX(mmx);
274 #endif
278 
279 #define VSCALEX_FUNC(size, opt) \
280 void ff_yuv2planeX_ ## size ## _ ## opt(const int16_t *filter, int filterSize, \
281  const int16_t **src, uint8_t *dest, int dstW, \
282  const uint8_t *dither, int offset)
283 #define VSCALEX_FUNCS(opt) \
284  VSCALEX_FUNC(8, opt); \
285  VSCALEX_FUNC(9, opt); \
286  VSCALEX_FUNC(10, opt)
287 
288 #if ARCH_X86_32
289 VSCALEX_FUNCS(mmxext);
290 #endif
293 VSCALEX_FUNC(16, sse4);
295 
296 #define VSCALE_FUNC(size, opt) \
297 void ff_yuv2plane1_ ## size ## _ ## opt(const int16_t *src, uint8_t *dst, int dstW, \
298  const uint8_t *dither, int offset)
299 #define VSCALE_FUNCS(opt1, opt2) \
300  VSCALE_FUNC(8, opt1); \
301  VSCALE_FUNC(9, opt2); \
302  VSCALE_FUNC(10, opt2); \
303  VSCALE_FUNC(16, opt1)
304 
305 #if ARCH_X86_32
306 VSCALE_FUNCS(mmx, mmxext);
307 #endif
308 VSCALE_FUNCS(sse2, sse2);
309 VSCALE_FUNC(16, sse4);
310 VSCALE_FUNCS(avx, avx);
311 
312 #define INPUT_Y_FUNC(fmt, opt) \
313 void ff_ ## fmt ## ToY_ ## opt(uint8_t *dst, const uint8_t *src, \
314  const uint8_t *unused1, const uint8_t *unused2, \
315  int w, uint32_t *unused)
316 #define INPUT_UV_FUNC(fmt, opt) \
317 void ff_ ## fmt ## ToUV_ ## opt(uint8_t *dstU, uint8_t *dstV, \
318  const uint8_t *unused0, \
319  const uint8_t *src1, \
320  const uint8_t *src2, \
321  int w, uint32_t *unused)
322 #define INPUT_FUNC(fmt, opt) \
323  INPUT_Y_FUNC(fmt, opt); \
324  INPUT_UV_FUNC(fmt, opt)
325 #define INPUT_FUNCS(opt) \
326  INPUT_FUNC(uyvy, opt); \
327  INPUT_FUNC(yuyv, opt); \
328  INPUT_UV_FUNC(nv12, opt); \
329  INPUT_UV_FUNC(nv21, opt); \
330  INPUT_FUNC(rgba, opt); \
331  INPUT_FUNC(bgra, opt); \
332  INPUT_FUNC(argb, opt); \
333  INPUT_FUNC(abgr, opt); \
334  INPUT_FUNC(rgb24, opt); \
335  INPUT_FUNC(bgr24, opt)
336 
337 #if ARCH_X86_32
338 INPUT_FUNCS(mmx);
339 #endif
341 INPUT_FUNCS(ssse3);
343 
344 #if ARCH_X86_64
345 #define YUV2NV_DECL(fmt, opt) \
346 void ff_yuv2 ## fmt ## cX_ ## opt(enum AVPixelFormat format, const uint8_t *dither, \
347  const int16_t *filter, int filterSize, \
348  const int16_t **u, const int16_t **v, \
349  uint8_t *dst, int dstWidth)
350 
351 YUV2NV_DECL(nv12, avx2);
352 YUV2NV_DECL(nv21, avx2);
353 #endif
354 
356 {
357  int cpu_flags = av_get_cpu_flags();
358 
359 #if HAVE_MMX_INLINE
360  if (INLINE_MMX(cpu_flags))
361  sws_init_swscale_mmx(c);
362 #endif
363 #if HAVE_MMXEXT_INLINE
365  sws_init_swscale_mmxext(c);
366 #endif
367  if(c->use_mmx_vfilter && !(c->flags & SWS_ACCURATE_RND)) {
368 #if HAVE_MMX_EXTERNAL
369  if (EXTERNAL_MMX(cpu_flags))
370  c->yuv2planeX = yuv2yuvX_mmx;
371 #endif
372 #if HAVE_MMXEXT_EXTERNAL
374  c->yuv2planeX = yuv2yuvX_mmxext;
375 #endif
376 #if HAVE_SSE3_EXTERNAL
378  c->yuv2planeX = yuv2yuvX_sse3;
379 #endif
380 #if HAVE_AVX2_EXTERNAL
382  c->yuv2planeX = yuv2yuvX_avx2;
383 #endif
384  }
385 
386 #define ASSIGN_SCALE_FUNC2(hscalefn, filtersize, opt1, opt2) do { \
387  if (c->srcBpc == 8) { \
388  hscalefn = c->dstBpc <= 14 ? ff_hscale8to15_ ## filtersize ## _ ## opt2 : \
389  ff_hscale8to19_ ## filtersize ## _ ## opt1; \
390  } else if (c->srcBpc == 9) { \
391  hscalefn = c->dstBpc <= 14 ? ff_hscale9to15_ ## filtersize ## _ ## opt2 : \
392  ff_hscale9to19_ ## filtersize ## _ ## opt1; \
393  } else if (c->srcBpc == 10) { \
394  hscalefn = c->dstBpc <= 14 ? ff_hscale10to15_ ## filtersize ## _ ## opt2 : \
395  ff_hscale10to19_ ## filtersize ## _ ## opt1; \
396  } else if (c->srcBpc == 12) { \
397  hscalefn = c->dstBpc <= 14 ? ff_hscale12to15_ ## filtersize ## _ ## opt2 : \
398  ff_hscale12to19_ ## filtersize ## _ ## opt1; \
399  } else if (c->srcBpc == 14 || ((c->srcFormat==AV_PIX_FMT_PAL8||isAnyRGB(c->srcFormat)) && av_pix_fmt_desc_get(c->srcFormat)->comp[0].depth<16)) { \
400  hscalefn = c->dstBpc <= 14 ? ff_hscale14to15_ ## filtersize ## _ ## opt2 : \
401  ff_hscale14to19_ ## filtersize ## _ ## opt1; \
402  } else { /* c->srcBpc == 16 */ \
403  av_assert0(c->srcBpc == 16);\
404  hscalefn = c->dstBpc <= 14 ? ff_hscale16to15_ ## filtersize ## _ ## opt2 : \
405  ff_hscale16to19_ ## filtersize ## _ ## opt1; \
406  } \
407 } while (0)
408 #define ASSIGN_MMX_SCALE_FUNC(hscalefn, filtersize, opt1, opt2) \
409  switch (filtersize) { \
410  case 4: ASSIGN_SCALE_FUNC2(hscalefn, 4, opt1, opt2); break; \
411  case 8: ASSIGN_SCALE_FUNC2(hscalefn, 8, opt1, opt2); break; \
412  default: ASSIGN_SCALE_FUNC2(hscalefn, X, opt1, opt2); break; \
413  }
414 #define ASSIGN_VSCALEX_FUNC(vscalefn, opt, do_16_case, condition_8bit) \
415 switch(c->dstBpc){ \
416  case 16: do_16_case; break; \
417  case 10: if (!isBE(c->dstFormat) && c->dstFormat != AV_PIX_FMT_P010LE) vscalefn = ff_yuv2planeX_10_ ## opt; break; \
418  case 9: if (!isBE(c->dstFormat)) vscalefn = ff_yuv2planeX_9_ ## opt; break; \
419  case 8: if ((condition_8bit) && !c->use_mmx_vfilter) vscalefn = ff_yuv2planeX_8_ ## opt; break; \
420  }
421 #define ASSIGN_VSCALE_FUNC(vscalefn, opt1, opt2, opt2chk) \
422  switch(c->dstBpc){ \
423  case 16: if (!isBE(c->dstFormat)) vscalefn = ff_yuv2plane1_16_ ## opt1; break; \
424  case 10: if (!isBE(c->dstFormat) && c->dstFormat != AV_PIX_FMT_P010LE && opt2chk) vscalefn = ff_yuv2plane1_10_ ## opt2; break; \
425  case 9: if (!isBE(c->dstFormat) && opt2chk) vscalefn = ff_yuv2plane1_9_ ## opt2; break; \
426  case 8: vscalefn = ff_yuv2plane1_8_ ## opt1; break; \
427  default: av_assert0(c->dstBpc>8); \
428  }
429 #define case_rgb(x, X, opt) \
430  case AV_PIX_FMT_ ## X: \
431  c->lumToYV12 = ff_ ## x ## ToY_ ## opt; \
432  if (!c->chrSrcHSubSample) \
433  c->chrToYV12 = ff_ ## x ## ToUV_ ## opt; \
434  break
435 #if ARCH_X86_32
436  if (EXTERNAL_MMX(cpu_flags)) {
437  ASSIGN_MMX_SCALE_FUNC(c->hyScale, c->hLumFilterSize, mmx, mmx);
438  ASSIGN_MMX_SCALE_FUNC(c->hcScale, c->hChrFilterSize, mmx, mmx);
439  ASSIGN_VSCALE_FUNC(c->yuv2plane1, mmx, mmxext, cpu_flags & AV_CPU_FLAG_MMXEXT);
440 
441  switch (c->srcFormat) {
442  case AV_PIX_FMT_YA8:
443  c->lumToYV12 = ff_yuyvToY_mmx;
444  if (c->needAlpha)
445  c->alpToYV12 = ff_uyvyToY_mmx;
446  break;
447  case AV_PIX_FMT_YUYV422:
448  c->lumToYV12 = ff_yuyvToY_mmx;
449  c->chrToYV12 = ff_yuyvToUV_mmx;
450  break;
451  case AV_PIX_FMT_UYVY422:
452  c->lumToYV12 = ff_uyvyToY_mmx;
453  c->chrToYV12 = ff_uyvyToUV_mmx;
454  break;
455  case AV_PIX_FMT_NV12:
456  c->chrToYV12 = ff_nv12ToUV_mmx;
457  break;
458  case AV_PIX_FMT_NV21:
459  c->chrToYV12 = ff_nv21ToUV_mmx;
460  break;
461  case_rgb(rgb24, RGB24, mmx);
462  case_rgb(bgr24, BGR24, mmx);
463  case_rgb(bgra, BGRA, mmx);
464  case_rgb(rgba, RGBA, mmx);
465  case_rgb(abgr, ABGR, mmx);
466  case_rgb(argb, ARGB, mmx);
467  default:
468  break;
469  }
470  }
471  if (EXTERNAL_MMXEXT(cpu_flags)) {
472  ASSIGN_VSCALEX_FUNC(c->yuv2planeX, mmxext, , 1);
473  }
474 #endif /* ARCH_X86_32 */
475 #define ASSIGN_SSE_SCALE_FUNC(hscalefn, filtersize, opt1, opt2) \
476  switch (filtersize) { \
477  case 4: ASSIGN_SCALE_FUNC2(hscalefn, 4, opt1, opt2); break; \
478  case 8: ASSIGN_SCALE_FUNC2(hscalefn, 8, opt1, opt2); break; \
479  default: if (filtersize & 4) ASSIGN_SCALE_FUNC2(hscalefn, X4, opt1, opt2); \
480  else ASSIGN_SCALE_FUNC2(hscalefn, X8, opt1, opt2); \
481  break; \
482  }
483  if (EXTERNAL_SSE2(cpu_flags)) {
484  ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, sse2, sse2);
485  ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, sse2, sse2);
486  ASSIGN_VSCALEX_FUNC(c->yuv2planeX, sse2, ,
488  ASSIGN_VSCALE_FUNC(c->yuv2plane1, sse2, sse2, 1);
489 
490  switch (c->srcFormat) {
491  case AV_PIX_FMT_YA8:
492  c->lumToYV12 = ff_yuyvToY_sse2;
493  if (c->needAlpha)
494  c->alpToYV12 = ff_uyvyToY_sse2;
495  break;
496  case AV_PIX_FMT_YUYV422:
497  c->lumToYV12 = ff_yuyvToY_sse2;
498  c->chrToYV12 = ff_yuyvToUV_sse2;
499  break;
500  case AV_PIX_FMT_UYVY422:
501  c->lumToYV12 = ff_uyvyToY_sse2;
502  c->chrToYV12 = ff_uyvyToUV_sse2;
503  break;
504  case AV_PIX_FMT_NV12:
505  c->chrToYV12 = ff_nv12ToUV_sse2;
506  break;
507  case AV_PIX_FMT_NV21:
508  c->chrToYV12 = ff_nv21ToUV_sse2;
509  break;
510  case_rgb(rgb24, RGB24, sse2);
511  case_rgb(bgr24, BGR24, sse2);
512  case_rgb(bgra, BGRA, sse2);
513  case_rgb(rgba, RGBA, sse2);
514  case_rgb(abgr, ABGR, sse2);
515  case_rgb(argb, ARGB, sse2);
516  default:
517  break;
518  }
519  }
520  if (EXTERNAL_SSSE3(cpu_flags)) {
521  ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, ssse3, ssse3);
522  ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, ssse3, ssse3);
523  switch (c->srcFormat) {
524  case_rgb(rgb24, RGB24, ssse3);
525  case_rgb(bgr24, BGR24, ssse3);
526  default:
527  break;
528  }
529  }
530  if (EXTERNAL_SSE4(cpu_flags)) {
531  /* Xto15 don't need special sse4 functions */
532  ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, sse4, ssse3);
533  ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, sse4, ssse3);
534  ASSIGN_VSCALEX_FUNC(c->yuv2planeX, sse4,
535  if (!isBE(c->dstFormat)) c->yuv2planeX = ff_yuv2planeX_16_sse4,
537  if (c->dstBpc == 16 && !isBE(c->dstFormat))
538  c->yuv2plane1 = ff_yuv2plane1_16_sse4;
539  }
540 
541  if (EXTERNAL_AVX(cpu_flags)) {
542  ASSIGN_VSCALEX_FUNC(c->yuv2planeX, avx, ,
544  ASSIGN_VSCALE_FUNC(c->yuv2plane1, avx, avx, 1);
545 
546  switch (c->srcFormat) {
547  case AV_PIX_FMT_YUYV422:
548  c->chrToYV12 = ff_yuyvToUV_avx;
549  break;
550  case AV_PIX_FMT_UYVY422:
551  c->chrToYV12 = ff_uyvyToUV_avx;
552  break;
553  case AV_PIX_FMT_NV12:
554  c->chrToYV12 = ff_nv12ToUV_avx;
555  break;
556  case AV_PIX_FMT_NV21:
557  c->chrToYV12 = ff_nv21ToUV_avx;
558  break;
559  case_rgb(rgb24, RGB24, avx);
560  case_rgb(bgr24, BGR24, avx);
561  case_rgb(bgra, BGRA, avx);
562  case_rgb(rgba, RGBA, avx);
563  case_rgb(abgr, ABGR, avx);
564  case_rgb(argb, ARGB, avx);
565  default:
566  break;
567  }
568  }
569 
570 #if ARCH_X86_64
572  switch (c->dstFormat) {
573  case AV_PIX_FMT_NV12:
574  case AV_PIX_FMT_NV24:
575  c->yuv2nv12cX = ff_yuv2nv12cX_avx2;
576  break;
577  case AV_PIX_FMT_NV21:
578  case AV_PIX_FMT_NV42:
579  c->yuv2nv12cX = ff_yuv2nv21cX_avx2;
580  break;
581  default:
582  break;
583  }
584  }
585 #endif
586 }
Macro definitions for various function/variable attributes.
#define av_unused
Definition: attributes.h:131
#define av_cold
Definition: attributes.h:88
int32_t
simple assert() macros that are a bit more flexible than ISO C assert().
#define flags(name, subs,...)
Definition: cbs_av1.c:572
#define s(width, name)
Definition: cbs_vp9.c:257
#define FFMIN(a, b)
Definition: common.h:105
#define HAVE_ALIGNED_STACK
Definition: config.h:183
#define ARCH_X86_64
Definition: config.h:41
#define CONFIG_SWSCALE_ALPHA
Definition: config.h:568
#define NULL
Definition: coverity.c:32
static atomic_int cpu_flags
Definition: cpu.c:50
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:95
#define AV_CPU_FLAG_MMXEXT
SSE integer functions or AMD MMX ext.
Definition: cpu.h:32
#define RGBA(r, g, b, a)
Definition: dvbsubdec.c:39
#define DECLARE_ASM_ALIGNED(n, t, v)
Declare an aligned variable appropriate for use in inline assembly code.
Definition: mem.h:118
#define DECLARE_ASM_CONST(n, t, v)
Declare a static constant aligned variable appropriate for use in inline assembly code.
Definition: mem.h:119
#define DECLARE_ALIGNED(n, t, v)
Declare a variable that is aligned in memory.
Definition: mem.h:117
#define SWS_ACCURATE_RND
Definition: swscale.h:83
for(j=16;j >0;--j)
int i
Definition: input.c:407
#define AV_PIX_FMT_BGR555
Definition: pixfmt.h:392
@ AV_PIX_FMT_NV12
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
Definition: pixfmt.h:89
@ AV_PIX_FMT_NV42
as above, but U and V bytes are swapped
Definition: pixfmt.h:349
@ AV_PIX_FMT_NV21
as above, but U and V bytes are swapped
Definition: pixfmt.h:90
@ AV_PIX_FMT_UYVY422
packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1
Definition: pixfmt.h:81
@ AV_PIX_FMT_NV24
planar YUV 4:4:4, 24bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
Definition: pixfmt.h:348
@ AV_PIX_FMT_YUYV422
packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr
Definition: pixfmt.h:67
@ AV_PIX_FMT_YA8
8 bits gray, 8 bits alpha
Definition: pixfmt.h:143
#define AV_PIX_FMT_RGB555
Definition: pixfmt.h:387
Slice plane.
uint8_t ** tmp
Tmp line buffer used by mmx code.
int sliceY
index of first line
uint8_t ** line
line buffer
external API header
#define APCK_SIZE
#define APCK_PTR2
#define APCK_COEF
void ff_updateMMXDitherTables(SwsContext *c, int dstY)
static av_always_inline int isBE(enum AVPixelFormat pix_fmt)
if(ret< 0)
Definition: vf_mcdeint.c:282
static double c[64]
#define EXTERNAL_AVX(flags)
Definition: cpu.h:70
#define EXTERNAL_AVX2_FAST(flags)
Definition: cpu.h:79
#define INLINE_MMXEXT(flags)
Definition: cpu.h:87
#define EXTERNAL_MMXEXT(flags)
Definition: cpu.h:57
#define EXTERNAL_SSE3(flags)
Definition: cpu.h:62
#define EXTERNAL_SSSE3(flags)
Definition: cpu.h:65
#define INLINE_MMX(flags)
Definition: cpu.h:86
#define EXTERNAL_MMX(flags)
Definition: cpu.h:56
#define EXTERNAL_SSE4(flags)
Definition: cpu.h:68
#define EXTERNAL_SSE2(flags)
Definition: cpu.h:59
#define ASSIGN_MMX_SCALE_FUNC(hscalefn, filtersize, opt1, opt2)
#define VSCALEX_FUNCS(opt)
Definition: swscale.c:283
#define INPUT_FUNCS(opt)
Definition: swscale.c:325
#define VSCALEX_FUNC(size, opt)
Definition: swscale.c:279
const uint64_t ff_dither4[2]
Definition: swscale.c:33
#define SCALE_FUNCS_SSE(opt)
Definition: swscale.c:266
#define VSCALE_FUNCS(opt1, opt2)
Definition: swscale.c:299
#define ASSIGN_VSCALEX_FUNC(vscalefn, opt, do_16_case, condition_8bit)
av_cold void ff_sws_init_swscale_x86(SwsContext *c)
Definition: swscale.c:355
#define case_rgb(x, X, opt)
const uint64_t ff_dither8[2]
Definition: swscale.c:37
#define SCALE_FUNCS_MMX(opt)
Definition: swscale.c:261
#define YUV2YUVX_FUNC(opt, step)
Definition: swscale.c:205
#define ASSIGN_VSCALE_FUNC(vscalefn, opt1, opt2, opt2chk)
#define VSCALE_FUNC(size, opt)
Definition: swscale.c:296
#define YUV2YUVX_FUNC_MMX(opt, step)
Definition: swscale.c:192
#define ASSIGN_SSE_SCALE_FUNC(hscalefn, filtersize, opt1, opt2)