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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"
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/pixdesc.h"
31 
32 #if HAVE_INLINE_ASM
33 
34 #define DITHER1XBPP
35 
36 DECLARE_ASM_CONST(8, uint64_t, bF8)= 0xF8F8F8F8F8F8F8F8LL;
37 DECLARE_ASM_CONST(8, uint64_t, bFC)= 0xFCFCFCFCFCFCFCFCLL;
38 DECLARE_ASM_CONST(8, uint64_t, w10)= 0x0010001000100010LL;
39 DECLARE_ASM_CONST(8, uint64_t, w02)= 0x0002000200020002LL;
40 
41 const DECLARE_ALIGNED(8, uint64_t, ff_dither4)[2] = {
42  0x0103010301030103LL,
43  0x0200020002000200LL,};
44 
45 const DECLARE_ALIGNED(8, uint64_t, ff_dither8)[2] = {
46  0x0602060206020602LL,
47  0x0004000400040004LL,};
48 
49 DECLARE_ASM_CONST(8, uint64_t, b16Mask)= 0x001F001F001F001FLL;
50 DECLARE_ASM_CONST(8, uint64_t, g16Mask)= 0x07E007E007E007E0LL;
51 DECLARE_ASM_CONST(8, uint64_t, r16Mask)= 0xF800F800F800F800LL;
52 DECLARE_ASM_CONST(8, uint64_t, b15Mask)= 0x001F001F001F001FLL;
53 DECLARE_ASM_CONST(8, uint64_t, g15Mask)= 0x03E003E003E003E0LL;
54 DECLARE_ASM_CONST(8, uint64_t, r15Mask)= 0x7C007C007C007C00LL;
55 
56 DECLARE_ALIGNED(8, const uint64_t, ff_M24A) = 0x00FF0000FF0000FFLL;
57 DECLARE_ALIGNED(8, const uint64_t, ff_M24B) = 0xFF0000FF0000FF00LL;
58 DECLARE_ALIGNED(8, const uint64_t, ff_M24C) = 0x0000FF0000FF0000LL;
59 
60 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YOffset) = 0x1010101010101010ULL;
61 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UVOffset) = 0x8080808080808080ULL;
62 DECLARE_ALIGNED(8, const uint64_t, ff_w1111) = 0x0001000100010001ULL;
63 
64 
65 //MMX versions
66 #if HAVE_MMX_INLINE
67 #undef RENAME
68 #define COMPILE_TEMPLATE_MMXEXT 0
69 #define RENAME(a) a ## _mmx
70 #include "swscale_template.c"
71 #endif
72 
73 // MMXEXT versions
74 #if HAVE_MMXEXT_INLINE
75 #undef RENAME
76 #undef COMPILE_TEMPLATE_MMXEXT
77 #define COMPILE_TEMPLATE_MMXEXT 1
78 #define RENAME(a) a ## _mmxext
79 #include "swscale_template.c"
80 #endif
81 
83  int lastInLumBuf, int lastInChrBuf)
84 {
85  const int dstH= c->dstH;
86  const int flags= c->flags;
87 
88  SwsPlane *lumPlane = &c->slice[c->numSlice-2].plane[0];
89  SwsPlane *chrUPlane = &c->slice[c->numSlice-2].plane[1];
90  SwsPlane *alpPlane = &c->slice[c->numSlice-2].plane[3];
91 
92  int hasAlpha = c->needAlpha;
95  int16_t *vLumFilter= c->vLumFilter;
96  int16_t *vChrFilter= c->vChrFilter;
100  const int vLumFilterSize= c->vLumFilterSize;
101  const int vChrFilterSize= c->vChrFilterSize;
102  const int chrDstY= dstY>>c->chrDstVSubSample;
103  const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input
104  const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input
105 
106  c->blueDither= ff_dither8[dstY&1];
108  c->greenDither= ff_dither8[dstY&1];
109  else
110  c->greenDither= ff_dither4[dstY&1];
111  c->redDither= ff_dither8[(dstY+1)&1];
112  if (dstY < dstH - 2) {
113  const int16_t **lumSrcPtr = (const int16_t **)(void*) lumPlane->line + firstLumSrcY - lumPlane->sliceY;
114  const int16_t **chrUSrcPtr = (const int16_t **)(void*) chrUPlane->line + firstChrSrcY - chrUPlane->sliceY;
115  const int16_t **alpSrcPtr = (CONFIG_SWSCALE_ALPHA && hasAlpha) ? (const int16_t **)(void*) alpPlane->line + firstLumSrcY - alpPlane->sliceY : NULL;
116 
117  int i;
118  if (firstLumSrcY < 0 || firstLumSrcY + vLumFilterSize > c->srcH) {
119  const int16_t **tmpY = (const int16_t **) lumPlane->tmp;
120 
121  int neg = -firstLumSrcY, i, end = FFMIN(c->srcH - firstLumSrcY, vLumFilterSize);
122  for (i = 0; i < neg; i++)
123  tmpY[i] = lumSrcPtr[neg];
124  for ( ; i < end; i++)
125  tmpY[i] = lumSrcPtr[i];
126  for ( ; i < vLumFilterSize; i++)
127  tmpY[i] = tmpY[i-1];
128  lumSrcPtr = tmpY;
129 
130  if (alpSrcPtr) {
131  const int16_t **tmpA = (const int16_t **) alpPlane->tmp;
132  for (i = 0; i < neg; i++)
133  tmpA[i] = alpSrcPtr[neg];
134  for ( ; i < end; i++)
135  tmpA[i] = alpSrcPtr[i];
136  for ( ; i < vLumFilterSize; i++)
137  tmpA[i] = tmpA[i - 1];
138  alpSrcPtr = tmpA;
139  }
140  }
141  if (firstChrSrcY < 0 || firstChrSrcY + vChrFilterSize > c->chrSrcH) {
142  const int16_t **tmpU = (const int16_t **) chrUPlane->tmp;
143  int neg = -firstChrSrcY, i, end = FFMIN(c->chrSrcH - firstChrSrcY, vChrFilterSize);
144  for (i = 0; i < neg; i++) {
145  tmpU[i] = chrUSrcPtr[neg];
146  }
147  for ( ; i < end; i++) {
148  tmpU[i] = chrUSrcPtr[i];
149  }
150  for ( ; i < vChrFilterSize; i++) {
151  tmpU[i] = tmpU[i - 1];
152  }
153  chrUSrcPtr = tmpU;
154  }
155 
156  if (flags & SWS_ACCURATE_RND) {
157  int s= APCK_SIZE / 8;
158  for (i=0; i<vLumFilterSize; i+=2) {
159  *(const void**)&lumMmxFilter[s*i ]= lumSrcPtr[i ];
160  *(const void**)&lumMmxFilter[s*i+APCK_PTR2/4 ]= lumSrcPtr[i+(vLumFilterSize>1)];
161  lumMmxFilter[s*i+APCK_COEF/4 ]=
162  lumMmxFilter[s*i+APCK_COEF/4+1]= vLumFilter[dstY*vLumFilterSize + i ]
163  + (vLumFilterSize>1 ? vLumFilter[dstY*vLumFilterSize + i + 1]<<16 : 0);
164  if (CONFIG_SWSCALE_ALPHA && hasAlpha) {
165  *(const void**)&alpMmxFilter[s*i ]= alpSrcPtr[i ];
166  *(const void**)&alpMmxFilter[s*i+APCK_PTR2/4 ]= alpSrcPtr[i+(vLumFilterSize>1)];
167  alpMmxFilter[s*i+APCK_COEF/4 ]=
168  alpMmxFilter[s*i+APCK_COEF/4+1]= lumMmxFilter[s*i+APCK_COEF/4 ];
169  }
170  }
171  for (i=0; i<vChrFilterSize; i+=2) {
172  *(const void**)&chrMmxFilter[s*i ]= chrUSrcPtr[i ];
173  *(const void**)&chrMmxFilter[s*i+APCK_PTR2/4 ]= chrUSrcPtr[i+(vChrFilterSize>1)];
174  chrMmxFilter[s*i+APCK_COEF/4 ]=
175  chrMmxFilter[s*i+APCK_COEF/4+1]= vChrFilter[chrDstY*vChrFilterSize + i ]
176  + (vChrFilterSize>1 ? vChrFilter[chrDstY*vChrFilterSize + i + 1]<<16 : 0);
177  }
178  } else {
179  for (i=0; i<vLumFilterSize; i++) {
180  *(const void**)&lumMmxFilter[4*i+0]= lumSrcPtr[i];
181  lumMmxFilter[4*i+2]=
182  lumMmxFilter[4*i+3]=
183  ((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001U;
184  if (CONFIG_SWSCALE_ALPHA && hasAlpha) {
185  *(const void**)&alpMmxFilter[4*i+0]= alpSrcPtr[i];
186  alpMmxFilter[4*i+2]=
187  alpMmxFilter[4*i+3]= lumMmxFilter[4*i+2];
188  }
189  }
190  for (i=0; i<vChrFilterSize; i++) {
191  *(const void**)&chrMmxFilter[4*i+0]= chrUSrcPtr[i];
192  chrMmxFilter[4*i+2]=
193  chrMmxFilter[4*i+3]=
194  ((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001U;
195  }
196  }
197  }
198 }
199 
200 #if HAVE_MMXEXT
201 static void yuv2yuvX_sse3(const int16_t *filter, int filterSize,
202  const int16_t **src, uint8_t *dest, int dstW,
203  const uint8_t *dither, int offset)
204 {
205  if(((uintptr_t)dest) & 15){
206  yuv2yuvX_mmxext(filter, filterSize, src, dest, dstW, dither, offset);
207  return;
208  }
209  filterSize--;
210 #define MAIN_FUNCTION \
211  "pxor %%xmm0, %%xmm0 \n\t" \
212  "punpcklbw %%xmm0, %%xmm3 \n\t" \
213  "movd %4, %%xmm1 \n\t" \
214  "punpcklwd %%xmm1, %%xmm1 \n\t" \
215  "punpckldq %%xmm1, %%xmm1 \n\t" \
216  "punpcklqdq %%xmm1, %%xmm1 \n\t" \
217  "psllw $3, %%xmm1 \n\t" \
218  "paddw %%xmm1, %%xmm3 \n\t" \
219  "psraw $4, %%xmm3 \n\t" \
220  "movdqa %%xmm3, %%xmm4 \n\t" \
221  "movdqa %%xmm3, %%xmm7 \n\t" \
222  "movl %3, %%ecx \n\t" \
223  "mov %0, %%"FF_REG_d" \n\t"\
224  "mov (%%"FF_REG_d"), %%"FF_REG_S" \n\t"\
225  ".p2align 4 \n\t" /* FIXME Unroll? */\
226  "1: \n\t"\
227  "movddup 8(%%"FF_REG_d"), %%xmm0 \n\t" /* filterCoeff */\
228  "movdqa (%%"FF_REG_S", %%"FF_REG_c", 2), %%xmm2 \n\t" /* srcData */\
229  "movdqa 16(%%"FF_REG_S", %%"FF_REG_c", 2), %%xmm5 \n\t" /* srcData */\
230  "add $16, %%"FF_REG_d" \n\t"\
231  "mov (%%"FF_REG_d"), %%"FF_REG_S" \n\t"\
232  "test %%"FF_REG_S", %%"FF_REG_S" \n\t"\
233  "pmulhw %%xmm0, %%xmm2 \n\t"\
234  "pmulhw %%xmm0, %%xmm5 \n\t"\
235  "paddw %%xmm2, %%xmm3 \n\t"\
236  "paddw %%xmm5, %%xmm4 \n\t"\
237  " jnz 1b \n\t"\
238  "psraw $3, %%xmm3 \n\t"\
239  "psraw $3, %%xmm4 \n\t"\
240  "packuswb %%xmm4, %%xmm3 \n\t"\
241  "movntdq %%xmm3, (%1, %%"FF_REG_c") \n\t"\
242  "add $16, %%"FF_REG_c" \n\t"\
243  "cmp %2, %%"FF_REG_c" \n\t"\
244  "movdqa %%xmm7, %%xmm3 \n\t" \
245  "movdqa %%xmm7, %%xmm4 \n\t" \
246  "mov %0, %%"FF_REG_d" \n\t"\
247  "mov (%%"FF_REG_d"), %%"FF_REG_S" \n\t"\
248  "jb 1b \n\t"
249 
250  if (offset) {
251  __asm__ volatile(
252  "movq %5, %%xmm3 \n\t"
253  "movdqa %%xmm3, %%xmm4 \n\t"
254  "psrlq $24, %%xmm3 \n\t"
255  "psllq $40, %%xmm4 \n\t"
256  "por %%xmm4, %%xmm3 \n\t"
257  MAIN_FUNCTION
258  :: "g" (filter),
259  "r" (dest-offset), "g" ((x86_reg)(dstW+offset)), "m" (offset),
260  "m"(filterSize), "m"(((uint64_t *) dither)[0])
261  : XMM_CLOBBERS("%xmm0" , "%xmm1" , "%xmm2" , "%xmm3" , "%xmm4" , "%xmm5" , "%xmm7" ,)
262  "%"FF_REG_d, "%"FF_REG_S, "%"FF_REG_c
263  );
264  } else {
265  __asm__ volatile(
266  "movq %5, %%xmm3 \n\t"
267  MAIN_FUNCTION
268  :: "g" (filter),
269  "r" (dest-offset), "g" ((x86_reg)(dstW+offset)), "m" (offset),
270  "m"(filterSize), "m"(((uint64_t *) dither)[0])
271  : XMM_CLOBBERS("%xmm0" , "%xmm1" , "%xmm2" , "%xmm3" , "%xmm4" , "%xmm5" , "%xmm7" ,)
272  "%"FF_REG_d, "%"FF_REG_S, "%"FF_REG_c
273  );
274  }
275 }
276 #endif
277 
278 #endif /* HAVE_INLINE_ASM */
279 
280 #define SCALE_FUNC(filter_n, from_bpc, to_bpc, opt) \
281 void ff_hscale ## from_bpc ## to ## to_bpc ## _ ## filter_n ## _ ## opt( \
282  SwsContext *c, int16_t *data, \
283  int dstW, const uint8_t *src, \
284  const int16_t *filter, \
285  const int32_t *filterPos, int filterSize)
286 
287 #define SCALE_FUNCS(filter_n, opt) \
288  SCALE_FUNC(filter_n, 8, 15, opt); \
289  SCALE_FUNC(filter_n, 9, 15, opt); \
290  SCALE_FUNC(filter_n, 10, 15, opt); \
291  SCALE_FUNC(filter_n, 12, 15, opt); \
292  SCALE_FUNC(filter_n, 14, 15, opt); \
293  SCALE_FUNC(filter_n, 16, 15, opt); \
294  SCALE_FUNC(filter_n, 8, 19, opt); \
295  SCALE_FUNC(filter_n, 9, 19, opt); \
296  SCALE_FUNC(filter_n, 10, 19, opt); \
297  SCALE_FUNC(filter_n, 12, 19, opt); \
298  SCALE_FUNC(filter_n, 14, 19, opt); \
299  SCALE_FUNC(filter_n, 16, 19, opt)
300 
301 #define SCALE_FUNCS_MMX(opt) \
302  SCALE_FUNCS(4, opt); \
303  SCALE_FUNCS(8, opt); \
304  SCALE_FUNCS(X, opt)
305 
306 #define SCALE_FUNCS_SSE(opt) \
307  SCALE_FUNCS(4, opt); \
308  SCALE_FUNCS(8, opt); \
309  SCALE_FUNCS(X4, opt); \
310  SCALE_FUNCS(X8, opt)
311 
312 #if ARCH_X86_32
313 SCALE_FUNCS_MMX(mmx);
314 #endif
315 SCALE_FUNCS_SSE(sse2);
316 SCALE_FUNCS_SSE(ssse3);
317 SCALE_FUNCS_SSE(sse4);
318 
319 #define VSCALEX_FUNC(size, opt) \
320 void ff_yuv2planeX_ ## size ## _ ## opt(const int16_t *filter, int filterSize, \
321  const int16_t **src, uint8_t *dest, int dstW, \
322  const uint8_t *dither, int offset)
323 #define VSCALEX_FUNCS(opt) \
324  VSCALEX_FUNC(8, opt); \
325  VSCALEX_FUNC(9, opt); \
326  VSCALEX_FUNC(10, opt)
327 
328 #if ARCH_X86_32
329 VSCALEX_FUNCS(mmxext);
330 #endif
331 VSCALEX_FUNCS(sse2);
332 VSCALEX_FUNCS(sse4);
333 VSCALEX_FUNC(16, sse4);
334 VSCALEX_FUNCS(avx);
335 
336 #define VSCALE_FUNC(size, opt) \
337 void ff_yuv2plane1_ ## size ## _ ## opt(const int16_t *src, uint8_t *dst, int dstW, \
338  const uint8_t *dither, int offset)
339 #define VSCALE_FUNCS(opt1, opt2) \
340  VSCALE_FUNC(8, opt1); \
341  VSCALE_FUNC(9, opt2); \
342  VSCALE_FUNC(10, opt2); \
343  VSCALE_FUNC(16, opt1)
344 
345 #if ARCH_X86_32
346 VSCALE_FUNCS(mmx, mmxext);
347 #endif
348 VSCALE_FUNCS(sse2, sse2);
349 VSCALE_FUNC(16, sse4);
350 VSCALE_FUNCS(avx, avx);
351 
352 #define INPUT_Y_FUNC(fmt, opt) \
353 void ff_ ## fmt ## ToY_ ## opt(uint8_t *dst, const uint8_t *src, \
354  const uint8_t *unused1, const uint8_t *unused2, \
355  int w, uint32_t *unused)
356 #define INPUT_UV_FUNC(fmt, opt) \
357 void ff_ ## fmt ## ToUV_ ## opt(uint8_t *dstU, uint8_t *dstV, \
358  const uint8_t *unused0, \
359  const uint8_t *src1, \
360  const uint8_t *src2, \
361  int w, uint32_t *unused)
362 #define INPUT_FUNC(fmt, opt) \
363  INPUT_Y_FUNC(fmt, opt); \
364  INPUT_UV_FUNC(fmt, opt)
365 #define INPUT_FUNCS(opt) \
366  INPUT_FUNC(uyvy, opt); \
367  INPUT_FUNC(yuyv, opt); \
368  INPUT_UV_FUNC(nv12, opt); \
369  INPUT_UV_FUNC(nv21, opt); \
370  INPUT_FUNC(rgba, opt); \
371  INPUT_FUNC(bgra, opt); \
372  INPUT_FUNC(argb, opt); \
373  INPUT_FUNC(abgr, opt); \
374  INPUT_FUNC(rgb24, opt); \
375  INPUT_FUNC(bgr24, opt)
376 
377 #if ARCH_X86_32
378 INPUT_FUNCS(mmx);
379 #endif
380 INPUT_FUNCS(sse2);
381 INPUT_FUNCS(ssse3);
382 INPUT_FUNCS(avx);
383 
385 {
386  int cpu_flags = av_get_cpu_flags();
387 
388 #if HAVE_MMX_INLINE
389  if (INLINE_MMX(cpu_flags))
390  sws_init_swscale_mmx(c);
391 #endif
392 #if HAVE_MMXEXT_INLINE
393  if (INLINE_MMXEXT(cpu_flags))
394  sws_init_swscale_mmxext(c);
395  if (cpu_flags & AV_CPU_FLAG_SSE3){
396  if(c->use_mmx_vfilter && !(c->flags & SWS_ACCURATE_RND))
397  c->yuv2planeX = yuv2yuvX_sse3;
398  }
399 #endif
400 
401 #define ASSIGN_SCALE_FUNC2(hscalefn, filtersize, opt1, opt2) do { \
402  if (c->srcBpc == 8) { \
403  hscalefn = c->dstBpc <= 14 ? ff_hscale8to15_ ## filtersize ## _ ## opt2 : \
404  ff_hscale8to19_ ## filtersize ## _ ## opt1; \
405  } else if (c->srcBpc == 9) { \
406  hscalefn = c->dstBpc <= 14 ? ff_hscale9to15_ ## filtersize ## _ ## opt2 : \
407  ff_hscale9to19_ ## filtersize ## _ ## opt1; \
408  } else if (c->srcBpc == 10) { \
409  hscalefn = c->dstBpc <= 14 ? ff_hscale10to15_ ## filtersize ## _ ## opt2 : \
410  ff_hscale10to19_ ## filtersize ## _ ## opt1; \
411  } else if (c->srcBpc == 12) { \
412  hscalefn = c->dstBpc <= 14 ? ff_hscale12to15_ ## filtersize ## _ ## opt2 : \
413  ff_hscale12to19_ ## filtersize ## _ ## opt1; \
414  } 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)) { \
415  hscalefn = c->dstBpc <= 14 ? ff_hscale14to15_ ## filtersize ## _ ## opt2 : \
416  ff_hscale14to19_ ## filtersize ## _ ## opt1; \
417  } else { /* c->srcBpc == 16 */ \
418  av_assert0(c->srcBpc == 16);\
419  hscalefn = c->dstBpc <= 14 ? ff_hscale16to15_ ## filtersize ## _ ## opt2 : \
420  ff_hscale16to19_ ## filtersize ## _ ## opt1; \
421  } \
422 } while (0)
423 #define ASSIGN_MMX_SCALE_FUNC(hscalefn, filtersize, opt1, opt2) \
424  switch (filtersize) { \
425  case 4: ASSIGN_SCALE_FUNC2(hscalefn, 4, opt1, opt2); break; \
426  case 8: ASSIGN_SCALE_FUNC2(hscalefn, 8, opt1, opt2); break; \
427  default: ASSIGN_SCALE_FUNC2(hscalefn, X, opt1, opt2); break; \
428  }
429 #define ASSIGN_VSCALEX_FUNC(vscalefn, opt, do_16_case, condition_8bit) \
430 switch(c->dstBpc){ \
431  case 16: do_16_case; break; \
432  case 10: if (!isBE(c->dstFormat) && c->dstFormat != AV_PIX_FMT_P010LE) vscalefn = ff_yuv2planeX_10_ ## opt; break; \
433  case 9: if (!isBE(c->dstFormat)) vscalefn = ff_yuv2planeX_9_ ## opt; break; \
434  case 8: if ((condition_8bit) && !c->use_mmx_vfilter) vscalefn = ff_yuv2planeX_8_ ## opt; break; \
435  }
436 #define ASSIGN_VSCALE_FUNC(vscalefn, opt1, opt2, opt2chk) \
437  switch(c->dstBpc){ \
438  case 16: if (!isBE(c->dstFormat)) vscalefn = ff_yuv2plane1_16_ ## opt1; break; \
439  case 10: if (!isBE(c->dstFormat) && c->dstFormat != AV_PIX_FMT_P010LE && opt2chk) vscalefn = ff_yuv2plane1_10_ ## opt2; break; \
440  case 9: if (!isBE(c->dstFormat) && opt2chk) vscalefn = ff_yuv2plane1_9_ ## opt2; break; \
441  case 8: vscalefn = ff_yuv2plane1_8_ ## opt1; break; \
442  default: av_assert0(c->dstBpc>8); \
443  }
444 #define case_rgb(x, X, opt) \
445  case AV_PIX_FMT_ ## X: \
446  c->lumToYV12 = ff_ ## x ## ToY_ ## opt; \
447  if (!c->chrSrcHSubSample) \
448  c->chrToYV12 = ff_ ## x ## ToUV_ ## opt; \
449  break
450 #if ARCH_X86_32
451  if (EXTERNAL_MMX(cpu_flags)) {
452  ASSIGN_MMX_SCALE_FUNC(c->hyScale, c->hLumFilterSize, mmx, mmx);
453  ASSIGN_MMX_SCALE_FUNC(c->hcScale, c->hChrFilterSize, mmx, mmx);
454  ASSIGN_VSCALE_FUNC(c->yuv2plane1, mmx, mmxext, cpu_flags & AV_CPU_FLAG_MMXEXT);
455 
456  switch (c->srcFormat) {
457  case AV_PIX_FMT_YA8:
458  c->lumToYV12 = ff_yuyvToY_mmx;
459  if (c->needAlpha)
460  c->alpToYV12 = ff_uyvyToY_mmx;
461  break;
462  case AV_PIX_FMT_YUYV422:
463  c->lumToYV12 = ff_yuyvToY_mmx;
464  c->chrToYV12 = ff_yuyvToUV_mmx;
465  break;
466  case AV_PIX_FMT_UYVY422:
467  c->lumToYV12 = ff_uyvyToY_mmx;
468  c->chrToYV12 = ff_uyvyToUV_mmx;
469  break;
470  case AV_PIX_FMT_NV12:
471  c->chrToYV12 = ff_nv12ToUV_mmx;
472  break;
473  case AV_PIX_FMT_NV21:
474  c->chrToYV12 = ff_nv21ToUV_mmx;
475  break;
476  case_rgb(rgb24, RGB24, mmx);
477  case_rgb(bgr24, BGR24, mmx);
478  case_rgb(bgra, BGRA, mmx);
479  case_rgb(rgba, RGBA, mmx);
480  case_rgb(abgr, ABGR, mmx);
481  case_rgb(argb, ARGB, mmx);
482  default:
483  break;
484  }
485  }
486  if (EXTERNAL_MMXEXT(cpu_flags)) {
487  ASSIGN_VSCALEX_FUNC(c->yuv2planeX, mmxext, , 1);
488  }
489 #endif /* ARCH_X86_32 */
490 #define ASSIGN_SSE_SCALE_FUNC(hscalefn, filtersize, opt1, opt2) \
491  switch (filtersize) { \
492  case 4: ASSIGN_SCALE_FUNC2(hscalefn, 4, opt1, opt2); break; \
493  case 8: ASSIGN_SCALE_FUNC2(hscalefn, 8, opt1, opt2); break; \
494  default: if (filtersize & 4) ASSIGN_SCALE_FUNC2(hscalefn, X4, opt1, opt2); \
495  else ASSIGN_SCALE_FUNC2(hscalefn, X8, opt1, opt2); \
496  break; \
497  }
498  if (EXTERNAL_SSE2(cpu_flags)) {
499  ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, sse2, sse2);
500  ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, sse2, sse2);
501  ASSIGN_VSCALEX_FUNC(c->yuv2planeX, sse2, ,
502  HAVE_ALIGNED_STACK || ARCH_X86_64);
503  ASSIGN_VSCALE_FUNC(c->yuv2plane1, sse2, sse2, 1);
504 
505  switch (c->srcFormat) {
506  case AV_PIX_FMT_YA8:
507  c->lumToYV12 = ff_yuyvToY_sse2;
508  if (c->needAlpha)
509  c->alpToYV12 = ff_uyvyToY_sse2;
510  break;
511  case AV_PIX_FMT_YUYV422:
512  c->lumToYV12 = ff_yuyvToY_sse2;
513  c->chrToYV12 = ff_yuyvToUV_sse2;
514  break;
515  case AV_PIX_FMT_UYVY422:
516  c->lumToYV12 = ff_uyvyToY_sse2;
517  c->chrToYV12 = ff_uyvyToUV_sse2;
518  break;
519  case AV_PIX_FMT_NV12:
520  c->chrToYV12 = ff_nv12ToUV_sse2;
521  break;
522  case AV_PIX_FMT_NV21:
523  c->chrToYV12 = ff_nv21ToUV_sse2;
524  break;
525  case_rgb(rgb24, RGB24, sse2);
526  case_rgb(bgr24, BGR24, sse2);
527  case_rgb(bgra, BGRA, sse2);
528  case_rgb(rgba, RGBA, sse2);
529  case_rgb(abgr, ABGR, sse2);
530  case_rgb(argb, ARGB, sse2);
531  default:
532  break;
533  }
534  }
535  if (EXTERNAL_SSSE3(cpu_flags)) {
536  ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, ssse3, ssse3);
537  ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, ssse3, ssse3);
538  switch (c->srcFormat) {
539  case_rgb(rgb24, RGB24, ssse3);
540  case_rgb(bgr24, BGR24, ssse3);
541  default:
542  break;
543  }
544  }
545  if (EXTERNAL_SSE4(cpu_flags)) {
546  /* Xto15 don't need special sse4 functions */
547  ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, sse4, ssse3);
548  ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, sse4, ssse3);
550  if (!isBE(c->dstFormat)) c->yuv2planeX = ff_yuv2planeX_16_sse4,
551  HAVE_ALIGNED_STACK || ARCH_X86_64);
552  if (c->dstBpc == 16 && !isBE(c->dstFormat))
553  c->yuv2plane1 = ff_yuv2plane1_16_sse4;
554  }
555 
556  if (EXTERNAL_AVX(cpu_flags)) {
558  HAVE_ALIGNED_STACK || ARCH_X86_64);
559  ASSIGN_VSCALE_FUNC(c->yuv2plane1, avx, avx, 1);
560 
561  switch (c->srcFormat) {
562  case AV_PIX_FMT_YUYV422:
563  c->chrToYV12 = ff_yuyvToUV_avx;
564  break;
565  case AV_PIX_FMT_UYVY422:
566  c->chrToYV12 = ff_uyvyToUV_avx;
567  break;
568  case AV_PIX_FMT_NV12:
569  c->chrToYV12 = ff_nv12ToUV_avx;
570  break;
571  case AV_PIX_FMT_NV21:
572  c->chrToYV12 = ff_nv21ToUV_avx;
573  break;
574  case_rgb(rgb24, RGB24, avx);
575  case_rgb(bgr24, BGR24, avx);
576  case_rgb(bgra, BGRA, avx);
577  case_rgb(rgba, RGBA, avx);
578  case_rgb(abgr, ABGR, avx);
579  case_rgb(argb, ARGB, avx);
580  default:
581  break;
582  }
583  }
584 }
#define EXTERNAL_MMX(flags)
Definition: cpu.h:54
packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1
Definition: pixfmt.h:82
#define NULL
Definition: coverity.c:32
const uint64_t ff_dither8[2]
int chrBufIndex
Index in ring buffer of the last scaled horizontal chroma line from source.
const char * s
Definition: avisynth_c.h:768
int chrSrcH
Height of source chroma planes.
8 bits gray, 8 bits alpha
Definition: pixfmt.h:154
#define VSCALE_FUNC(size, opt)
Definition: swscale.c:336
#define SCALE_FUNCS_MMX(opt)
Definition: swscale.c:301
uint64_t redDither
#define RGBA(r, g, b, a)
Definition: dvbsubdec.c:153
#define src
Definition: vp8dsp.c:254
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:339
#define EXTERNAL_SSE4(flags)
Definition: cpu.h:64
int chrDstVSubSample
Binary logarithm of vertical subsampling factor between luma/alpha and chroma planes in destination i...
uint8_t
#define av_cold
Definition: attributes.h:82
uint8_t ** line
line buffer
int vChrFilterSize
Vertical filter size for chroma pixels.
static av_cold int end(AVCodecContext *avctx)
Definition: avrndec.c:90
#define AV_CPU_FLAG_MMXEXT
SSE integer functions or AMD MMX ext.
Definition: cpu.h:30
void(* lumToYV12)(uint8_t *dst, const uint8_t *src, const uint8_t *src2, const uint8_t *src3, int width, uint32_t *pal)
Unscaled conversion of luma plane to YV12 for horizontal scaler.
static void filter(int16_t *output, ptrdiff_t out_stride, int16_t *low, ptrdiff_t low_stride, int16_t *high, ptrdiff_t high_stride, int len, uint8_t clip)
Definition: cfhd.c:80
av_cold void ff_sws_init_swscale_x86(SwsContext *c)
Definition: swscale.c:384
#define DECLARE_ALIGNED(n, t, v)
Declare a variable that is aligned in memory.
Definition: mem.h:101
int lastInLumBuf
Last scaled horizontal luma/alpha line from source in the ring buffer.
static int flags
Definition: log.c:57
external API header
enum AVPixelFormat dstFormat
Destination pixel format.
#define EXTERNAL_SSE2(flags)
Definition: cpu.h:57
#define VSCALEX_FUNCS(opt)
Definition: swscale.c:323
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 U(x)
Definition: vp56_arith.h:37
#define INLINE_MMX(flags)
Definition: cpu.h:81
const uint64_t ff_dither4[2]
int hLumFilterSize
Horizontal filter size for luma/alpha pixels.
static const uint8_t dither[8][8]
Definition: vf_fspp.c:57
planar YUV 4:2:0, 12bpp, 1 plane for Y and 1 plane for the UV components, which are interleaved (firs...
Definition: pixfmt.h:90
simple assert() macros that are a bit more flexible than ISO C assert().
Slice plane.
static const uint8_t offset[127][2]
Definition: vf_spp.c:92
SwsPlane plane[MAX_SLICE_PLANES]
color planes
int32_t alpMmxFilter[4 *MAX_FILTER_SIZE]
int hChrFilterSize
Horizontal filter size for chroma pixels.
#define DECLARE_ASM_CONST(n, t, v)
Declare a static constant aligned variable appropriate for use in inline assembly code...
Definition: mem.h:102
as above, but U and V bytes are swapped
Definition: pixfmt.h:91
#define APCK_SIZE
#define FFMIN(a, b)
Definition: common.h:96
#define AV_CPU_FLAG_SSE3
Prescott SSE3 functions.
Definition: cpu.h:38
yuv2planar1_fn yuv2plane1
#define SCALE_FUNCS_SSE(opt)
Definition: swscale.c:306
int32_t
void(* hcScale)(struct SwsContext *c, int16_t *dst, int dstW, const uint8_t *src, const int16_t *filter, const int32_t *filterPos, int filterSize)
#define XMM_CLOBBERS(...)
Definition: asm.h:98
int dstW
Width of destination luma/alpha planes.
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:344
static av_always_inline int isBE(enum AVPixelFormat pix_fmt)
int32_t lumMmxFilter[4 *MAX_FILTER_SIZE]
static int cpu_flags
Definition: cpu.c:47
#define ASSIGN_MMX_SCALE_FUNC(hscalefn, filtersize, opt1, opt2)
yuv2planarX_fn yuv2planeX
struct SwsSlice * slice
packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr
Definition: pixfmt.h:63
#define APCK_COEF
#define EXTERNAL_SSSE3(flags)
Definition: cpu.h:63
int vLumFilterSize
Vertical filter size for luma/alpha pixels.
#define SWS_ACCURATE_RND
Definition: swscale.h:83
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:88
#define INPUT_FUNCS(opt)
Definition: swscale.c:365
#define EXTERNAL_MMXEXT(flags)
Definition: cpu.h:55
int lumBufIndex
Index in ring buffer of the last scaled horizontal luma/alpha line from source.
#define VSCALEX_FUNC(size, opt)
Definition: swscale.c:319
#define INLINE_MMXEXT(flags)
Definition: cpu.h:82
int lastInChrBuf
Last scaled horizontal chroma line from source in the ring buffer.
if(ret< 0)
Definition: vf_mcdeint.c:282
enum AVPixelFormat srcFormat
Source pixel format.
int32_t chrMmxFilter[4 *MAX_FILTER_SIZE]
#define AV_PIX_FMT_RGB555
Definition: pixfmt.h:339
#define ASSIGN_VSCALEX_FUNC(vscalefn, opt, do_16_case, condition_8bit)
uint64_t greenDither
#define ASSIGN_VSCALE_FUNC(vscalefn, opt1, opt2, opt2chk)
uint8_t ** tmp
Tmp line buffer used by mmx code.
int x86_reg
Definition: asm.h:72
void(* alpToYV12)(uint8_t *dst, const uint8_t *src, const uint8_t *src2, const uint8_t *src3, int width, uint32_t *pal)
Unscaled conversion of alpha plane to YV12 for horizontal scaler.
void ff_updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrBufIndex, int lastInLumBuf, int lastInChrBuf)
void(* chrToYV12)(uint8_t *dstU, uint8_t *dstV, const uint8_t *src1, const uint8_t *src2, const uint8_t *src3, int width, uint32_t *pal)
Unscaled conversion of chroma planes to YV12 for horizontal scaler.
static AVCodec * c
int16_t * vLumFilter
Array of vertical filter coefficients for luma/alpha planes.
#define APCK_PTR2
int sliceY
index of first line
int flags
Flags passed by the user to select scaler algorithm, optimizations, subsampling, etc...
#define EXTERNAL_AVX(flags)
Definition: cpu.h:66
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...
for(j=16;j >0;--j)
#define av_unused
Definition: attributes.h:126