Libav
swscale.c
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1 /*
2  * Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
3  *
4  * This file is part of Libav.
5  *
6  * Libav 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  * Libav 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 Libav; 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/intreadwrite.h"
27 #include "libavutil/x86/cpu.h"
28 #include "libavutil/cpu.h"
29 #include "libavutil/pixdesc.h"
30 
31 #if HAVE_INLINE_ASM
32 
33 #define DITHER1XBPP
34 
35 DECLARE_ASM_CONST(8, uint64_t, bF8)= 0xF8F8F8F8F8F8F8F8LL;
36 DECLARE_ASM_CONST(8, uint64_t, bFC)= 0xFCFCFCFCFCFCFCFCLL;
37 DECLARE_ASM_CONST(8, uint64_t, w10)= 0x0010001000100010LL;
38 DECLARE_ASM_CONST(8, uint64_t, w02)= 0x0002000200020002LL;
39 
40 const DECLARE_ALIGNED(8, uint64_t, ff_dither4)[2] = {
41  0x0103010301030103LL,
42  0x0200020002000200LL,};
43 
44 const DECLARE_ALIGNED(8, uint64_t, ff_dither8)[2] = {
45  0x0602060206020602LL,
46  0x0004000400040004LL,};
47 
48 DECLARE_ASM_CONST(8, uint64_t, b16Mask)= 0x001F001F001F001FLL;
49 DECLARE_ASM_CONST(8, uint64_t, g16Mask)= 0x07E007E007E007E0LL;
50 DECLARE_ASM_CONST(8, uint64_t, r16Mask)= 0xF800F800F800F800LL;
51 DECLARE_ASM_CONST(8, uint64_t, b15Mask)= 0x001F001F001F001FLL;
52 DECLARE_ASM_CONST(8, uint64_t, g15Mask)= 0x03E003E003E003E0LL;
53 DECLARE_ASM_CONST(8, uint64_t, r15Mask)= 0x7C007C007C007C00LL;
54 
55 DECLARE_ALIGNED(8, const uint64_t, ff_M24A) = 0x00FF0000FF0000FFLL;
56 DECLARE_ALIGNED(8, const uint64_t, ff_M24B) = 0xFF0000FF0000FF00LL;
57 DECLARE_ALIGNED(8, const uint64_t, ff_M24C) = 0x0000FF0000FF0000LL;
58 
59 #ifdef FAST_BGR2YV12
60 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YCoeff) = 0x000000210041000DULL;
61 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UCoeff) = 0x0000FFEEFFDC0038ULL;
62 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff) = 0x00000038FFD2FFF8ULL;
63 #else
64 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YCoeff) = 0x000020E540830C8BULL;
65 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UCoeff) = 0x0000ED0FDAC23831ULL;
66 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2VCoeff) = 0x00003831D0E6F6EAULL;
67 #endif /* FAST_BGR2YV12 */
68 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YOffset) = 0x1010101010101010ULL;
69 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UVOffset) = 0x8080808080808080ULL;
70 DECLARE_ALIGNED(8, const uint64_t, ff_w1111) = 0x0001000100010001ULL;
71 
72 //MMX versions
73 #if HAVE_MMX_INLINE
74 #undef RENAME
75 #define COMPILE_TEMPLATE_MMXEXT 0
76 #define RENAME(a) a ## _mmx
77 #include "swscale_template.c"
78 #endif
79 
80 // MMXEXT versions
81 #if HAVE_MMXEXT_INLINE
82 #undef RENAME
83 #undef COMPILE_TEMPLATE_MMXEXT
84 #define COMPILE_TEMPLATE_MMXEXT 1
85 #define RENAME(a) a ## _mmxext
86 #include "swscale_template.c"
87 #endif
88 
90  int lastInLumBuf, int lastInChrBuf)
91 {
92  const int dstH= c->dstH;
93  const int flags= c->flags;
94  int16_t **lumPixBuf= c->lumPixBuf;
95  int16_t **chrUPixBuf= c->chrUPixBuf;
96  int16_t **alpPixBuf= c->alpPixBuf;
97  const int vLumBufSize= c->vLumBufSize;
98  const int vChrBufSize= c->vChrBufSize;
101  int16_t *vLumFilter= c->vLumFilter;
102  int16_t *vChrFilter= c->vChrFilter;
106  const int vLumFilterSize= c->vLumFilterSize;
107  const int vChrFilterSize= c->vChrFilterSize;
108  const int chrDstY= dstY>>c->chrDstVSubSample;
109  const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input
110  const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input
111 
112  c->blueDither= ff_dither8[dstY&1];
114  c->greenDither= ff_dither8[dstY&1];
115  else
116  c->greenDither= ff_dither4[dstY&1];
117  c->redDither= ff_dither8[(dstY+1)&1];
118  if (dstY < dstH - 2) {
119  const int16_t **lumSrcPtr= (const int16_t **) lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
120  const int16_t **chrUSrcPtr= (const int16_t **) chrUPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
121  const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **) alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL;
122  int i;
123 
124  if (firstLumSrcY < 0 || firstLumSrcY + vLumFilterSize > c->srcH) {
125  const int16_t **tmpY = (const int16_t **) lumPixBuf + 2 * vLumBufSize;
126  int neg = -firstLumSrcY, i, end = FFMIN(c->srcH - firstLumSrcY, vLumFilterSize);
127  for (i = 0; i < neg; i++)
128  tmpY[i] = lumSrcPtr[neg];
129  for ( ; i < end; i++)
130  tmpY[i] = lumSrcPtr[i];
131  for ( ; i < vLumFilterSize; i++)
132  tmpY[i] = tmpY[i-1];
133  lumSrcPtr = tmpY;
134 
135  if (alpSrcPtr) {
136  const int16_t **tmpA = (const int16_t **) alpPixBuf + 2 * vLumBufSize;
137  for (i = 0; i < neg; i++)
138  tmpA[i] = alpSrcPtr[neg];
139  for ( ; i < end; i++)
140  tmpA[i] = alpSrcPtr[i];
141  for ( ; i < vLumFilterSize; i++)
142  tmpA[i] = tmpA[i - 1];
143  alpSrcPtr = tmpA;
144  }
145  }
146  if (firstChrSrcY < 0 || firstChrSrcY + vChrFilterSize > c->chrSrcH) {
147  const int16_t **tmpU = (const int16_t **) chrUPixBuf + 2 * vChrBufSize;
148  int neg = -firstChrSrcY, i, end = FFMIN(c->chrSrcH - firstChrSrcY, vChrFilterSize);
149  for (i = 0; i < neg; i++) {
150  tmpU[i] = chrUSrcPtr[neg];
151  }
152  for ( ; i < end; i++) {
153  tmpU[i] = chrUSrcPtr[i];
154  }
155  for ( ; i < vChrFilterSize; i++) {
156  tmpU[i] = tmpU[i - 1];
157  }
158  chrUSrcPtr = tmpU;
159  }
160 
161  if (flags & SWS_ACCURATE_RND) {
162  int s= APCK_SIZE / 8;
163  for (i=0; i<vLumFilterSize; i+=2) {
164  *(const void**)&lumMmxFilter[s*i ]= lumSrcPtr[i ];
165  *(const void**)&lumMmxFilter[s*i+APCK_PTR2/4 ]= lumSrcPtr[i+(vLumFilterSize>1)];
166  lumMmxFilter[s*i+APCK_COEF/4 ]=
167  lumMmxFilter[s*i+APCK_COEF/4+1]= vLumFilter[dstY*vLumFilterSize + i ]
168  + (vLumFilterSize>1 ? vLumFilter[dstY*vLumFilterSize + i + 1]<<16 : 0);
169  if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {
170  *(const void**)&alpMmxFilter[s*i ]= alpSrcPtr[i ];
171  *(const void**)&alpMmxFilter[s*i+APCK_PTR2/4 ]= alpSrcPtr[i+(vLumFilterSize>1)];
172  alpMmxFilter[s*i+APCK_COEF/4 ]=
173  alpMmxFilter[s*i+APCK_COEF/4+1]= lumMmxFilter[s*i+APCK_COEF/4 ];
174  }
175  }
176  for (i=0; i<vChrFilterSize; i+=2) {
177  *(const void**)&chrMmxFilter[s*i ]= chrUSrcPtr[i ];
178  *(const void**)&chrMmxFilter[s*i+APCK_PTR2/4 ]= chrUSrcPtr[i+(vChrFilterSize>1)];
179  chrMmxFilter[s*i+APCK_COEF/4 ]=
180  chrMmxFilter[s*i+APCK_COEF/4+1]= vChrFilter[chrDstY*vChrFilterSize + i ]
181  + (vChrFilterSize>1 ? vChrFilter[chrDstY*vChrFilterSize + i + 1]<<16 : 0);
182  }
183  } else {
184  for (i=0; i<vLumFilterSize; i++) {
185  *(const void**)&lumMmxFilter[4*i+0]= lumSrcPtr[i];
186  lumMmxFilter[4*i+2]=
187  lumMmxFilter[4*i+3]=
188  ((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001;
189  if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {
190  *(const void**)&alpMmxFilter[4*i+0]= alpSrcPtr[i];
191  alpMmxFilter[4*i+2]=
192  alpMmxFilter[4*i+3]= lumMmxFilter[4*i+2];
193  }
194  }
195  for (i=0; i<vChrFilterSize; i++) {
196  *(const void**)&chrMmxFilter[4*i+0]= chrUSrcPtr[i];
197  chrMmxFilter[4*i+2]=
198  chrMmxFilter[4*i+3]=
199  ((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001;
200  }
201  }
202  }
203 }
204 
205 #endif /* HAVE_INLINE_ASM */
206 
207 #define SCALE_FUNC(filter_n, from_bpc, to_bpc, opt) \
208 void ff_hscale ## from_bpc ## to ## to_bpc ## _ ## filter_n ## _ ## opt( \
209  SwsContext *c, int16_t *data, \
210  int dstW, const uint8_t *src, \
211  const int16_t *filter, \
212  const int32_t *filterPos, int filterSize)
213 
214 #define SCALE_FUNCS(filter_n, opt) \
215  SCALE_FUNC(filter_n, 8, 15, opt); \
216  SCALE_FUNC(filter_n, 9, 15, opt); \
217  SCALE_FUNC(filter_n, 10, 15, opt); \
218  SCALE_FUNC(filter_n, 16, 15, opt); \
219  SCALE_FUNC(filter_n, 8, 19, opt); \
220  SCALE_FUNC(filter_n, 9, 19, opt); \
221  SCALE_FUNC(filter_n, 10, 19, opt); \
222  SCALE_FUNC(filter_n, 16, 19, opt)
223 
224 #define SCALE_FUNCS_MMX(opt) \
225  SCALE_FUNCS(4, opt); \
226  SCALE_FUNCS(8, opt); \
227  SCALE_FUNCS(X, opt)
228 
229 #define SCALE_FUNCS_SSE(opt) \
230  SCALE_FUNCS(4, opt); \
231  SCALE_FUNCS(8, opt); \
232  SCALE_FUNCS(X4, opt); \
233  SCALE_FUNCS(X8, opt)
234 
235 #if ARCH_X86_32
236 SCALE_FUNCS_MMX(mmx);
237 #endif
238 SCALE_FUNCS_SSE(sse2);
239 SCALE_FUNCS_SSE(ssse3);
240 SCALE_FUNCS_SSE(sse4);
241 
242 #define VSCALEX_FUNC(size, opt) \
243 void ff_yuv2planeX_ ## size ## _ ## opt(const int16_t *filter, int filterSize, \
244  const int16_t **src, uint8_t *dest, int dstW, \
245  const uint8_t *dither, int offset)
246 #define VSCALEX_FUNCS(opt) \
247  VSCALEX_FUNC(8, opt); \
248  VSCALEX_FUNC(9, opt); \
249  VSCALEX_FUNC(10, opt)
250 
251 #if ARCH_X86_32
252 VSCALEX_FUNCS(mmxext);
253 #endif
254 VSCALEX_FUNCS(sse2);
255 VSCALEX_FUNCS(sse4);
256 VSCALEX_FUNC(16, sse4);
257 VSCALEX_FUNCS(avx);
258 
259 #define VSCALE_FUNC(size, opt) \
260 void ff_yuv2plane1_ ## size ## _ ## opt(const int16_t *src, uint8_t *dst, int dstW, \
261  const uint8_t *dither, int offset)
262 #define VSCALE_FUNCS(opt1, opt2) \
263  VSCALE_FUNC(8, opt1); \
264  VSCALE_FUNC(9, opt2); \
265  VSCALE_FUNC(10, opt2); \
266  VSCALE_FUNC(16, opt1)
267 
268 #if ARCH_X86_32
269 VSCALE_FUNCS(mmx, mmxext);
270 #endif
271 VSCALE_FUNCS(sse2, sse2);
272 VSCALE_FUNC(16, sse4);
273 VSCALE_FUNCS(avx, avx);
274 
275 #define INPUT_Y_FUNC(fmt, opt) \
276 void ff_ ## fmt ## ToY_ ## opt(uint8_t *dst, const uint8_t *src, \
277  int w, uint32_t *unused)
278 #define INPUT_UV_FUNC(fmt, opt) \
279 void ff_ ## fmt ## ToUV_ ## opt(uint8_t *dstU, uint8_t *dstV, \
280  const uint8_t *src, const uint8_t *unused1, \
281  int w, uint32_t *unused2)
282 #define INPUT_FUNC(fmt, opt) \
283  INPUT_Y_FUNC(fmt, opt); \
284  INPUT_UV_FUNC(fmt, opt)
285 #define INPUT_FUNCS(opt) \
286  INPUT_FUNC(uyvy, opt); \
287  INPUT_FUNC(yuyv, opt); \
288  INPUT_UV_FUNC(nv12, opt); \
289  INPUT_UV_FUNC(nv21, opt); \
290  INPUT_FUNC(rgba, opt); \
291  INPUT_FUNC(bgra, opt); \
292  INPUT_FUNC(argb, opt); \
293  INPUT_FUNC(abgr, opt); \
294  INPUT_FUNC(rgb24, opt); \
295  INPUT_FUNC(bgr24, opt)
296 
297 #if ARCH_X86_32
298 INPUT_FUNCS(mmx);
299 #endif
300 INPUT_FUNCS(sse2);
301 INPUT_FUNCS(ssse3);
302 INPUT_FUNCS(avx);
303 
305 {
306  int cpu_flags = av_get_cpu_flags();
307 
308 #if HAVE_MMX_INLINE
309  if (INLINE_MMX(cpu_flags))
310  sws_init_swscale_mmx(c);
311 #endif
312 #if HAVE_MMXEXT_INLINE
313  if (INLINE_MMXEXT(cpu_flags))
314  sws_init_swscale_mmxext(c);
315 #endif
316 
317 #define ASSIGN_SCALE_FUNC2(hscalefn, filtersize, opt1, opt2) do { \
318  if (c->srcBpc == 8) { \
319  hscalefn = c->dstBpc <= 10 ? ff_hscale8to15_ ## filtersize ## _ ## opt2 : \
320  ff_hscale8to19_ ## filtersize ## _ ## opt1; \
321  } else if (c->srcBpc == 9) { \
322  hscalefn = c->dstBpc <= 10 ? ff_hscale9to15_ ## filtersize ## _ ## opt2 : \
323  ff_hscale9to19_ ## filtersize ## _ ## opt1; \
324  } else if (c->srcBpc == 10) { \
325  hscalefn = c->dstBpc <= 10 ? ff_hscale10to15_ ## filtersize ## _ ## opt2 : \
326  ff_hscale10to19_ ## filtersize ## _ ## opt1; \
327  } else /* c->srcBpc == 16 */ { \
328  hscalefn = c->dstBpc <= 10 ? ff_hscale16to15_ ## filtersize ## _ ## opt2 : \
329  ff_hscale16to19_ ## filtersize ## _ ## opt1; \
330  } \
331 } while (0)
332 #define ASSIGN_MMX_SCALE_FUNC(hscalefn, filtersize, opt1, opt2) \
333  switch (filtersize) { \
334  case 4: ASSIGN_SCALE_FUNC2(hscalefn, 4, opt1, opt2); break; \
335  case 8: ASSIGN_SCALE_FUNC2(hscalefn, 8, opt1, opt2); break; \
336  default: ASSIGN_SCALE_FUNC2(hscalefn, X, opt1, opt2); break; \
337  }
338 #define ASSIGN_VSCALEX_FUNC(vscalefn, opt, do_16_case, condition_8bit) \
339 switch(c->dstBpc){ \
340  case 16: do_16_case; break; \
341  case 10: if (!isBE(c->dstFormat)) vscalefn = ff_yuv2planeX_10_ ## opt; break; \
342  case 9: if (!isBE(c->dstFormat)) vscalefn = ff_yuv2planeX_9_ ## opt; break; \
343  default: if (condition_8bit) vscalefn = ff_yuv2planeX_8_ ## opt; break; \
344  }
345 #define ASSIGN_VSCALE_FUNC(vscalefn, opt1, opt2, opt2chk) \
346  switch(c->dstBpc){ \
347  case 16: if (!isBE(c->dstFormat)) vscalefn = ff_yuv2plane1_16_ ## opt1; break; \
348  case 10: if (!isBE(c->dstFormat) && opt2chk) vscalefn = ff_yuv2plane1_10_ ## opt2; break; \
349  case 9: if (!isBE(c->dstFormat) && opt2chk) vscalefn = ff_yuv2plane1_9_ ## opt2; break; \
350  default: vscalefn = ff_yuv2plane1_8_ ## opt1; break; \
351  }
352 #define case_rgb(x, X, opt) \
353  case AV_PIX_FMT_ ## X: \
354  c->lumToYV12 = ff_ ## x ## ToY_ ## opt; \
355  if (!c->chrSrcHSubSample) \
356  c->chrToYV12 = ff_ ## x ## ToUV_ ## opt; \
357  break
358 #if ARCH_X86_32
359  if (EXTERNAL_MMX(cpu_flags)) {
360  ASSIGN_MMX_SCALE_FUNC(c->hyScale, c->hLumFilterSize, mmx, mmx);
361  ASSIGN_MMX_SCALE_FUNC(c->hcScale, c->hChrFilterSize, mmx, mmx);
362  ASSIGN_VSCALE_FUNC(c->yuv2plane1, mmx, mmxext, cpu_flags & AV_CPU_FLAG_MMXEXT);
363 
364  switch (c->srcFormat) {
365  case AV_PIX_FMT_YA8:
366  c->lumToYV12 = ff_yuyvToY_mmx;
367  if (c->alpPixBuf)
368  c->alpToYV12 = ff_uyvyToY_mmx;
369  break;
370  case AV_PIX_FMT_YUYV422:
371  c->lumToYV12 = ff_yuyvToY_mmx;
372  c->chrToYV12 = ff_yuyvToUV_mmx;
373  break;
374  case AV_PIX_FMT_UYVY422:
375  c->lumToYV12 = ff_uyvyToY_mmx;
376  c->chrToYV12 = ff_uyvyToUV_mmx;
377  break;
378  case AV_PIX_FMT_NV12:
379  c->chrToYV12 = ff_nv12ToUV_mmx;
380  break;
381  case AV_PIX_FMT_NV21:
382  c->chrToYV12 = ff_nv21ToUV_mmx;
383  break;
384  case_rgb(rgb24, RGB24, mmx);
385  case_rgb(bgr24, BGR24, mmx);
386  case_rgb(bgra, BGRA, mmx);
387  case_rgb(rgba, RGBA, mmx);
388  case_rgb(abgr, ABGR, mmx);
389  case_rgb(argb, ARGB, mmx);
390  default:
391  break;
392  }
393  }
394  if (EXTERNAL_MMXEXT(cpu_flags)) {
395  ASSIGN_VSCALEX_FUNC(c->yuv2planeX, mmxext, , 1);
396  }
397 #endif /* ARCH_X86_32 */
398 #define ASSIGN_SSE_SCALE_FUNC(hscalefn, filtersize, opt1, opt2) \
399  switch (filtersize) { \
400  case 4: ASSIGN_SCALE_FUNC2(hscalefn, 4, opt1, opt2); break; \
401  case 8: ASSIGN_SCALE_FUNC2(hscalefn, 8, opt1, opt2); break; \
402  default: if (filtersize & 4) ASSIGN_SCALE_FUNC2(hscalefn, X4, opt1, opt2); \
403  else ASSIGN_SCALE_FUNC2(hscalefn, X8, opt1, opt2); \
404  break; \
405  }
406  if (EXTERNAL_SSE2(cpu_flags)) {
407  ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, sse2, sse2);
408  ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, sse2, sse2);
409  ASSIGN_VSCALEX_FUNC(c->yuv2planeX, sse2, ,
411  ASSIGN_VSCALE_FUNC(c->yuv2plane1, sse2, sse2, 1);
412 
413  switch (c->srcFormat) {
414  case AV_PIX_FMT_YA8:
415  c->lumToYV12 = ff_yuyvToY_sse2;
416  if (c->alpPixBuf)
417  c->alpToYV12 = ff_uyvyToY_sse2;
418  break;
419  case AV_PIX_FMT_YUYV422:
420  c->lumToYV12 = ff_yuyvToY_sse2;
421  c->chrToYV12 = ff_yuyvToUV_sse2;
422  break;
423  case AV_PIX_FMT_UYVY422:
424  c->lumToYV12 = ff_uyvyToY_sse2;
425  c->chrToYV12 = ff_uyvyToUV_sse2;
426  break;
427  case AV_PIX_FMT_NV12:
428  c->chrToYV12 = ff_nv12ToUV_sse2;
429  break;
430  case AV_PIX_FMT_NV21:
431  c->chrToYV12 = ff_nv21ToUV_sse2;
432  break;
433  case_rgb(rgb24, RGB24, sse2);
434  case_rgb(bgr24, BGR24, sse2);
435  case_rgb(bgra, BGRA, sse2);
436  case_rgb(rgba, RGBA, sse2);
437  case_rgb(abgr, ABGR, sse2);
438  case_rgb(argb, ARGB, sse2);
439  default:
440  break;
441  }
442  }
443  if (EXTERNAL_SSSE3(cpu_flags)) {
444  ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, ssse3, ssse3);
445  ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, ssse3, ssse3);
446  switch (c->srcFormat) {
447  case_rgb(rgb24, RGB24, ssse3);
448  case_rgb(bgr24, BGR24, ssse3);
449  default:
450  break;
451  }
452  }
453  if (EXTERNAL_SSE4(cpu_flags)) {
454  /* Xto15 don't need special sse4 functions */
455  ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, sse4, ssse3);
456  ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, sse4, ssse3);
458  if (!isBE(c->dstFormat)) c->yuv2planeX = ff_yuv2planeX_16_sse4,
460  if (c->dstBpc == 16 && !isBE(c->dstFormat))
461  c->yuv2plane1 = ff_yuv2plane1_16_sse4;
462  }
463 
464  if (EXTERNAL_AVX(cpu_flags)) {
467  ASSIGN_VSCALE_FUNC(c->yuv2plane1, avx, avx, 1);
468 
469  switch (c->srcFormat) {
470  case AV_PIX_FMT_YUYV422:
471  c->chrToYV12 = ff_yuyvToUV_avx;
472  break;
473  case AV_PIX_FMT_UYVY422:
474  c->chrToYV12 = ff_uyvyToUV_avx;
475  break;
476  case AV_PIX_FMT_NV12:
477  c->chrToYV12 = ff_nv12ToUV_avx;
478  break;
479  case AV_PIX_FMT_NV21:
480  c->chrToYV12 = ff_nv21ToUV_avx;
481  break;
482  case_rgb(rgb24, RGB24, avx);
483  case_rgb(bgr24, BGR24, avx);
484  case_rgb(bgra, BGRA, avx);
485  case_rgb(rgba, RGBA, avx);
486  case_rgb(abgr, ABGR, avx);
487  case_rgb(argb, ARGB, avx);
488  default:
489  break;
490  }
491  }
492 }
#define EXTERNAL_MMX(flags)
Definition: cpu.h:55
packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1
Definition: pixfmt.h:78
int16_t ** alpPixBuf
Ring buffer for scaled horizontal alpha plane lines to be fed to the vertical scaler.
void(* hcScale)(struct SwsContext *c, int16_t *dst, int dstW, const uint8_t *src, const int16_t *filter, const int32_t *filterPos, int filterSize)
const uint64_t ff_dither8[2]
int chrBufIndex
Index in ring buffer of the last scaled horizontal chroma line from source.
int chrSrcH
Height of source chroma planes.
8 bits gray, 8 bits alpha
Definition: pixfmt.h:143
#define VSCALE_FUNC(size, opt)
Definition: swscale.c:259
#define SCALE_FUNCS_MMX(opt)
Definition: swscale.c:224
void updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrBufIndex, int lastInLumBuf, int lastInChrBuf)
#define ARCH_X86_64
Definition: config.h:35
#define DECLARE_ALIGNED(n, t, v)
Definition: mem.h:58
uint64_t redDither
void(* hyScale)(struct SwsContext *c, int16_t *dst, int dstW, const uint8_t *src, const int16_t *filter, const int32_t *filterPos, int filterSize)
Scale one horizontal line of input data using a filter over the input lines, to produce one (differen...
#define RGBA(r, g, b, a)
Definition: dvbsubdec.c:94
int dstY
Last destination vertical line output from last slice.
uint64_t blueDither
#define case_rgb(x, X, opt)
Macro definitions for various function/variable attributes.
#define ASSIGN_SSE_SCALE_FUNC(hscalefn, filtersize, opt1, opt2)
int srcH
Height of source luma/alpha planes.
#define VSCALE_FUNCS(opt1, opt2)
Definition: swscale.c:262
#define EXTERNAL_SSE4(flags)
Definition: cpu.h:67
#define DECLARE_ASM_CONST(n, t, v)
Definition: mem.h:59
int chrDstVSubSample
Binary logarithm of vertical subsampling factor between luma/alpha and chroma planes in destination i...
#define av_cold
Definition: attributes.h:66
int vChrFilterSize
Vertical filter size for chroma pixels.
void(* chrToYV12)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, int width, uint32_t *pal)
Unscaled conversion of chroma planes to YV12 for horizontal scaler.
int16_t ** lumPixBuf
Ring buffer for scaled horizontal luma plane lines to be fed to the vertical scaler.
#define AV_CPU_FLAG_MMXEXT
SSE integer functions or AMD MMX ext.
Definition: cpu.h:30
av_cold void ff_sws_init_swscale_x86(SwsContext *c)
Definition: swscale.c:304
int lastInLumBuf
Last scaled horizontal luma/alpha line from source in the ring buffer.
static int flags
Definition: log.c:50
external api for the swscale stuff
enum AVPixelFormat dstFormat
Destination pixel format.
#define EXTERNAL_SSE2(flags)
Definition: cpu.h:58
#define VSCALEX_FUNCS(opt)
Definition: swscale.c:246
int32_t * vChrFilterPos
Array of vertical filter starting positions for each dst[i] for chroma planes.
int dstH
Height of destination luma/alpha planes.
#define INLINE_MMX(flags)
Definition: cpu.h:79
const uint64_t ff_dither4[2]
int hLumFilterSize
Horizontal filter size for luma/alpha pixels.
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
Definition: pixfmt.h:86
int vChrBufSize
Number of vertical chroma lines allocated in the ring buffer.
int32_t alpMmxFilter[4 *MAX_FILTER_SIZE]
int hChrFilterSize
Horizontal filter size for chroma pixels.
as above, but U and V bytes are swapped
Definition: pixfmt.h:87
void(* lumToYV12)(uint8_t *dst, const uint8_t *src, int width, uint32_t *pal)
Unscaled conversion of luma plane to YV12 for horizontal scaler.
#define APCK_SIZE
#define FFMIN(a, b)
Definition: common.h:66
yuv2planar1_fn yuv2plane1
int vLumBufSize
Number of vertical luma/alpha lines allocated in the ring buffer.
#define SCALE_FUNCS_SSE(opt)
Definition: swscale.c:229
int16_t ** chrUPixBuf
Ring buffer for scaled horizontal chroma plane lines to be fed to the vertical scaler.
int32_t
if(ac->has_optimized_func)
int32_t * vLumFilterPos
Array of vertical filter starting positions for each dst[i] for luma/alpha planes.
#define AV_PIX_FMT_BGR555
Definition: pixfmt.h:256
static av_always_inline int isBE(enum AVPixelFormat pix_fmt)
int32_t lumMmxFilter[4 *MAX_FILTER_SIZE]
NULL
Definition: eval.c:55
#define ASSIGN_MMX_SCALE_FUNC(hscalefn, filtersize, opt1, opt2)
yuv2planarX_fn yuv2planeX
packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr
Definition: pixfmt.h:60
#define APCK_COEF
#define EXTERNAL_SSSE3(flags)
Definition: cpu.h:64
int vLumFilterSize
Vertical filter size for luma/alpha pixels.
#define SWS_ACCURATE_RND
Definition: swscale.h:82
int16_t * vChrFilter
Array of vertical filter coefficients for chroma planes.
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:47
#define INPUT_FUNCS(opt)
Definition: swscale.c:285
#define EXTERNAL_MMXEXT(flags)
Definition: cpu.h:56
int lumBufIndex
Index in ring buffer of the last scaled horizontal luma/alpha line from source.
#define VSCALEX_FUNC(size, opt)
Definition: swscale.c:242
#define INLINE_MMXEXT(flags)
Definition: cpu.h:80
int lastInChrBuf
Last scaled horizontal chroma line from source in the ring buffer.
#define CONFIG_SWSCALE_ALPHA
Definition: config.h:408
enum AVPixelFormat srcFormat
Source pixel format.
#define HAVE_ALIGNED_STACK
Definition: config.h:150
int32_t chrMmxFilter[4 *MAX_FILTER_SIZE]
#define AV_PIX_FMT_RGB555
Definition: pixfmt.h:251
#define ASSIGN_VSCALEX_FUNC(vscalefn, opt, do_16_case, condition_8bit)
uint64_t greenDither
#define ASSIGN_VSCALE_FUNC(vscalefn, opt1, opt2, opt2chk)
int16_t * vLumFilter
Array of vertical filter coefficients for luma/alpha planes.
#define APCK_PTR2
void(* alpToYV12)(uint8_t *dst, const uint8_t *src, int width, uint32_t *pal)
Unscaled conversion of alpha plane to YV12 for horizontal scaler.
int flags
Flags passed by the user to select scaler algorithm, optimizations, subsampling, etc...
#define EXTERNAL_AVX(flags)
Definition: cpu.h:69
#define av_unused
Definition: attributes.h:86