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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/asm.h"
29 #include "libavutil/x86/cpu.h"
30 #include "libavutil/cpu.h"
31 #include "libavutil/pixdesc.h"
32 
33 #if HAVE_INLINE_ASM
34 
35 #define DITHER1XBPP
36 
37 DECLARE_ASM_CONST(8, uint64_t, bF8)= 0xF8F8F8F8F8F8F8F8LL;
38 DECLARE_ASM_CONST(8, uint64_t, bFC)= 0xFCFCFCFCFCFCFCFCLL;
39 DECLARE_ASM_CONST(8, uint64_t, w10)= 0x0010001000100010LL;
40 DECLARE_ASM_CONST(8, uint64_t, w02)= 0x0002000200020002LL;
41 
42 const DECLARE_ALIGNED(8, uint64_t, ff_dither4)[2] = {
43  0x0103010301030103LL,
44  0x0200020002000200LL,};
45 
46 const DECLARE_ALIGNED(8, uint64_t, ff_dither8)[2] = {
47  0x0602060206020602LL,
48  0x0004000400040004LL,};
49 
50 DECLARE_ASM_CONST(8, uint64_t, b16Mask)= 0x001F001F001F001FLL;
51 DECLARE_ASM_CONST(8, uint64_t, g16Mask)= 0x07E007E007E007E0LL;
52 DECLARE_ASM_CONST(8, uint64_t, r16Mask)= 0xF800F800F800F800LL;
53 DECLARE_ASM_CONST(8, uint64_t, b15Mask)= 0x001F001F001F001FLL;
54 DECLARE_ASM_CONST(8, uint64_t, g15Mask)= 0x03E003E003E003E0LL;
55 DECLARE_ASM_CONST(8, uint64_t, r15Mask)= 0x7C007C007C007C00LL;
56 
57 DECLARE_ALIGNED(8, const uint64_t, ff_M24A) = 0x00FF0000FF0000FFLL;
58 DECLARE_ALIGNED(8, const uint64_t, ff_M24B) = 0xFF0000FF0000FF00LL;
59 DECLARE_ALIGNED(8, const uint64_t, ff_M24C) = 0x0000FF0000FF0000LL;
60 
61 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2YOffset) = 0x1010101010101010ULL;
62 DECLARE_ALIGNED(8, const uint64_t, ff_bgr2UVOffset) = 0x8080808080808080ULL;
63 DECLARE_ALIGNED(8, const uint64_t, ff_w1111) = 0x0001000100010001ULL;
64 
65 
66 //MMX versions
67 #if HAVE_MMX_INLINE
68 #undef RENAME
69 #define COMPILE_TEMPLATE_MMXEXT 0
70 #define RENAME(a) a ## _mmx
71 #include "swscale_template.c"
72 #endif
73 
74 // MMXEXT versions
75 #if HAVE_MMXEXT_INLINE
76 #undef RENAME
77 #undef COMPILE_TEMPLATE_MMXEXT
78 #define COMPILE_TEMPLATE_MMXEXT 1
79 #define RENAME(a) a ## _mmxext
80 #include "swscale_template.c"
81 #endif
82 
84  int lastInLumBuf, int lastInChrBuf)
85 {
86  const int dstH= c->dstH;
87  const int flags= c->flags;
88 #ifdef NEW_FILTER
89  SwsPlane *lumPlane = &c->slice[c->numSlice-2].plane[0];
90  SwsPlane *chrUPlane = &c->slice[c->numSlice-2].plane[1];
91  SwsPlane *alpPlane = &c->slice[c->numSlice-2].plane[3];
92 #else
93  int16_t **lumPixBuf= c->lumPixBuf;
94  int16_t **chrUPixBuf= c->chrUPixBuf;
95  int16_t **alpPixBuf= c->alpPixBuf;
96  const int vLumBufSize= c->vLumBufSize;
97  const int vChrBufSize= c->vChrBufSize;
98 #endif
99  int hasAlpha = c->alpPixBuf != NULL;
102  int16_t *vLumFilter= c->vLumFilter;
103  int16_t *vChrFilter= c->vChrFilter;
107  const int vLumFilterSize= c->vLumFilterSize;
108  const int vChrFilterSize= c->vChrFilterSize;
109  const int chrDstY= dstY>>c->chrDstVSubSample;
110  const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input
111  const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input
112 
113  c->blueDither= ff_dither8[dstY&1];
115  c->greenDither= ff_dither8[dstY&1];
116  else
117  c->greenDither= ff_dither4[dstY&1];
118  c->redDither= ff_dither8[(dstY+1)&1];
119  if (dstY < dstH - 2) {
120 #ifdef NEW_FILTER
121  const int16_t **lumSrcPtr = (const int16_t **)(void*) lumPlane->line + firstLumSrcY - lumPlane->sliceY;
122  const int16_t **chrUSrcPtr = (const int16_t **)(void*) chrUPlane->line + firstChrSrcY - chrUPlane->sliceY;
123  const int16_t **alpSrcPtr = (CONFIG_SWSCALE_ALPHA && c->alpPixBuf) ? (const int16_t **)(void*) alpPlane->line + firstLumSrcY - alpPlane->sliceY : NULL;
124 #else
125  const int16_t **lumSrcPtr= (const int16_t **)(void*) lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
126  const int16_t **chrUSrcPtr= (const int16_t **)(void*) chrUPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
127  const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **)(void*) alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL;
128 #endif
129  int i;
130  if (firstLumSrcY < 0 || firstLumSrcY + vLumFilterSize > c->srcH) {
131 #ifdef NEW_FILTER
132  const int16_t **tmpY = (const int16_t **) lumPlane->tmp;
133 #else
134  const int16_t **tmpY = (const int16_t **) lumPixBuf + 2 * vLumBufSize;
135 #endif
136  int neg = -firstLumSrcY, i, end = FFMIN(c->srcH - firstLumSrcY, vLumFilterSize);
137  for (i = 0; i < neg; i++)
138  tmpY[i] = lumSrcPtr[neg];
139  for ( ; i < end; i++)
140  tmpY[i] = lumSrcPtr[i];
141  for ( ; i < vLumFilterSize; i++)
142  tmpY[i] = tmpY[i-1];
143  lumSrcPtr = tmpY;
144 
145  if (alpSrcPtr) {
146 #ifdef NEW_FILTER
147  const int16_t **tmpA = (const int16_t **) alpPlane->tmp;
148 #else
149  const int16_t **tmpA = (const int16_t **) alpPixBuf + 2 * vLumBufSize;
150 #endif
151  for (i = 0; i < neg; i++)
152  tmpA[i] = alpSrcPtr[neg];
153  for ( ; i < end; i++)
154  tmpA[i] = alpSrcPtr[i];
155  for ( ; i < vLumFilterSize; i++)
156  tmpA[i] = tmpA[i - 1];
157  alpSrcPtr = tmpA;
158  }
159  }
160  if (firstChrSrcY < 0 || firstChrSrcY + vChrFilterSize > c->chrSrcH) {
161 #ifdef NEW_FILTER
162  const int16_t **tmpU = (const int16_t **) chrUPlane->tmp;
163 #else
164  const int16_t **tmpU = (const int16_t **) chrUPixBuf + 2 * vChrBufSize;
165 #endif
166  int neg = -firstChrSrcY, i, end = FFMIN(c->chrSrcH - firstChrSrcY, vChrFilterSize);
167  for (i = 0; i < neg; i++) {
168  tmpU[i] = chrUSrcPtr[neg];
169  }
170  for ( ; i < end; i++) {
171  tmpU[i] = chrUSrcPtr[i];
172  }
173  for ( ; i < vChrFilterSize; i++) {
174  tmpU[i] = tmpU[i - 1];
175  }
176  chrUSrcPtr = tmpU;
177  }
178 
179  if (flags & SWS_ACCURATE_RND) {
180  int s= APCK_SIZE / 8;
181  for (i=0; i<vLumFilterSize; i+=2) {
182  *(const void**)&lumMmxFilter[s*i ]= lumSrcPtr[i ];
183  *(const void**)&lumMmxFilter[s*i+APCK_PTR2/4 ]= lumSrcPtr[i+(vLumFilterSize>1)];
184  lumMmxFilter[s*i+APCK_COEF/4 ]=
185  lumMmxFilter[s*i+APCK_COEF/4+1]= vLumFilter[dstY*vLumFilterSize + i ]
186  + (vLumFilterSize>1 ? vLumFilter[dstY*vLumFilterSize + i + 1]<<16 : 0);
187  if (CONFIG_SWSCALE_ALPHA && hasAlpha) {
188  *(const void**)&alpMmxFilter[s*i ]= alpSrcPtr[i ];
189  *(const void**)&alpMmxFilter[s*i+APCK_PTR2/4 ]= alpSrcPtr[i+(vLumFilterSize>1)];
190  alpMmxFilter[s*i+APCK_COEF/4 ]=
191  alpMmxFilter[s*i+APCK_COEF/4+1]= lumMmxFilter[s*i+APCK_COEF/4 ];
192  }
193  }
194  for (i=0; i<vChrFilterSize; i+=2) {
195  *(const void**)&chrMmxFilter[s*i ]= chrUSrcPtr[i ];
196  *(const void**)&chrMmxFilter[s*i+APCK_PTR2/4 ]= chrUSrcPtr[i+(vChrFilterSize>1)];
197  chrMmxFilter[s*i+APCK_COEF/4 ]=
198  chrMmxFilter[s*i+APCK_COEF/4+1]= vChrFilter[chrDstY*vChrFilterSize + i ]
199  + (vChrFilterSize>1 ? vChrFilter[chrDstY*vChrFilterSize + i + 1]<<16 : 0);
200  }
201  } else {
202  for (i=0; i<vLumFilterSize; i++) {
203  *(const void**)&lumMmxFilter[4*i+0]= lumSrcPtr[i];
204  lumMmxFilter[4*i+2]=
205  lumMmxFilter[4*i+3]=
206  ((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001U;
207  if (CONFIG_SWSCALE_ALPHA && hasAlpha) {
208  *(const void**)&alpMmxFilter[4*i+0]= alpSrcPtr[i];
209  alpMmxFilter[4*i+2]=
210  alpMmxFilter[4*i+3]= lumMmxFilter[4*i+2];
211  }
212  }
213  for (i=0; i<vChrFilterSize; i++) {
214  *(const void**)&chrMmxFilter[4*i+0]= chrUSrcPtr[i];
215  chrMmxFilter[4*i+2]=
216  chrMmxFilter[4*i+3]=
217  ((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001U;
218  }
219  }
220  }
221 }
222 
223 #if HAVE_MMXEXT
224 static void yuv2yuvX_sse3(const int16_t *filter, int filterSize,
225  const int16_t **src, uint8_t *dest, int dstW,
226  const uint8_t *dither, int offset)
227 {
228  if(((uintptr_t)dest) & 15){
229  yuv2yuvX_mmxext(filter, filterSize, src, dest, dstW, dither, offset);
230  return;
231  }
232  filterSize--;
233 #define MAIN_FUNCTION \
234  "pxor %%xmm0, %%xmm0 \n\t" \
235  "punpcklbw %%xmm0, %%xmm3 \n\t" \
236  "movd %4, %%xmm1 \n\t" \
237  "punpcklwd %%xmm1, %%xmm1 \n\t" \
238  "punpckldq %%xmm1, %%xmm1 \n\t" \
239  "punpcklqdq %%xmm1, %%xmm1 \n\t" \
240  "psllw $3, %%xmm1 \n\t" \
241  "paddw %%xmm1, %%xmm3 \n\t" \
242  "psraw $4, %%xmm3 \n\t" \
243  "movdqa %%xmm3, %%xmm4 \n\t" \
244  "movdqa %%xmm3, %%xmm7 \n\t" \
245  "movl %3, %%ecx \n\t" \
246  "mov %0, %%"REG_d" \n\t"\
247  "mov (%%"REG_d"), %%"REG_S" \n\t"\
248  ".p2align 4 \n\t" /* FIXME Unroll? */\
249  "1: \n\t"\
250  "movddup 8(%%"REG_d"), %%xmm0 \n\t" /* filterCoeff */\
251  "movdqa (%%"REG_S", %%"REG_c", 2), %%xmm2 \n\t" /* srcData */\
252  "movdqa 16(%%"REG_S", %%"REG_c", 2), %%xmm5 \n\t" /* srcData */\
253  "add $16, %%"REG_d" \n\t"\
254  "mov (%%"REG_d"), %%"REG_S" \n\t"\
255  "test %%"REG_S", %%"REG_S" \n\t"\
256  "pmulhw %%xmm0, %%xmm2 \n\t"\
257  "pmulhw %%xmm0, %%xmm5 \n\t"\
258  "paddw %%xmm2, %%xmm3 \n\t"\
259  "paddw %%xmm5, %%xmm4 \n\t"\
260  " jnz 1b \n\t"\
261  "psraw $3, %%xmm3 \n\t"\
262  "psraw $3, %%xmm4 \n\t"\
263  "packuswb %%xmm4, %%xmm3 \n\t"\
264  "movntdq %%xmm3, (%1, %%"REG_c")\n\t"\
265  "add $16, %%"REG_c" \n\t"\
266  "cmp %2, %%"REG_c" \n\t"\
267  "movdqa %%xmm7, %%xmm3 \n\t" \
268  "movdqa %%xmm7, %%xmm4 \n\t" \
269  "mov %0, %%"REG_d" \n\t"\
270  "mov (%%"REG_d"), %%"REG_S" \n\t"\
271  "jb 1b \n\t"
272 
273  if (offset) {
274  __asm__ volatile(
275  "movq %5, %%xmm3 \n\t"
276  "movdqa %%xmm3, %%xmm4 \n\t"
277  "psrlq $24, %%xmm3 \n\t"
278  "psllq $40, %%xmm4 \n\t"
279  "por %%xmm4, %%xmm3 \n\t"
280  MAIN_FUNCTION
281  :: "g" (filter),
282  "r" (dest-offset), "g" ((x86_reg)(dstW+offset)), "m" (offset),
283  "m"(filterSize), "m"(((uint64_t *) dither)[0])
284  : XMM_CLOBBERS("%xmm0" , "%xmm1" , "%xmm2" , "%xmm3" , "%xmm4" , "%xmm5" , "%xmm7" ,)
285  "%"REG_d, "%"REG_S, "%"REG_c
286  );
287  } else {
288  __asm__ volatile(
289  "movq %5, %%xmm3 \n\t"
290  MAIN_FUNCTION
291  :: "g" (filter),
292  "r" (dest-offset), "g" ((x86_reg)(dstW+offset)), "m" (offset),
293  "m"(filterSize), "m"(((uint64_t *) dither)[0])
294  : XMM_CLOBBERS("%xmm0" , "%xmm1" , "%xmm2" , "%xmm3" , "%xmm4" , "%xmm5" , "%xmm7" ,)
295  "%"REG_d, "%"REG_S, "%"REG_c
296  );
297  }
298 }
299 #endif
300 
301 #endif /* HAVE_INLINE_ASM */
302 
303 #define SCALE_FUNC(filter_n, from_bpc, to_bpc, opt) \
304 void ff_hscale ## from_bpc ## to ## to_bpc ## _ ## filter_n ## _ ## opt( \
305  SwsContext *c, int16_t *data, \
306  int dstW, const uint8_t *src, \
307  const int16_t *filter, \
308  const int32_t *filterPos, int filterSize)
309 
310 #define SCALE_FUNCS(filter_n, opt) \
311  SCALE_FUNC(filter_n, 8, 15, opt); \
312  SCALE_FUNC(filter_n, 9, 15, opt); \
313  SCALE_FUNC(filter_n, 10, 15, opt); \
314  SCALE_FUNC(filter_n, 12, 15, opt); \
315  SCALE_FUNC(filter_n, 14, 15, opt); \
316  SCALE_FUNC(filter_n, 16, 15, opt); \
317  SCALE_FUNC(filter_n, 8, 19, opt); \
318  SCALE_FUNC(filter_n, 9, 19, opt); \
319  SCALE_FUNC(filter_n, 10, 19, opt); \
320  SCALE_FUNC(filter_n, 12, 19, opt); \
321  SCALE_FUNC(filter_n, 14, 19, opt); \
322  SCALE_FUNC(filter_n, 16, 19, opt)
323 
324 #define SCALE_FUNCS_MMX(opt) \
325  SCALE_FUNCS(4, opt); \
326  SCALE_FUNCS(8, opt); \
327  SCALE_FUNCS(X, opt)
328 
329 #define SCALE_FUNCS_SSE(opt) \
330  SCALE_FUNCS(4, opt); \
331  SCALE_FUNCS(8, opt); \
332  SCALE_FUNCS(X4, opt); \
333  SCALE_FUNCS(X8, opt)
334 
335 #if ARCH_X86_32
336 SCALE_FUNCS_MMX(mmx);
337 #endif
338 SCALE_FUNCS_SSE(sse2);
339 SCALE_FUNCS_SSE(ssse3);
340 SCALE_FUNCS_SSE(sse4);
341 
342 #define VSCALEX_FUNC(size, opt) \
343 void ff_yuv2planeX_ ## size ## _ ## opt(const int16_t *filter, int filterSize, \
344  const int16_t **src, uint8_t *dest, int dstW, \
345  const uint8_t *dither, int offset)
346 #define VSCALEX_FUNCS(opt) \
347  VSCALEX_FUNC(8, opt); \
348  VSCALEX_FUNC(9, opt); \
349  VSCALEX_FUNC(10, opt)
350 
351 #if ARCH_X86_32
352 VSCALEX_FUNCS(mmxext);
353 #endif
354 VSCALEX_FUNCS(sse2);
355 VSCALEX_FUNCS(sse4);
356 VSCALEX_FUNC(16, sse4);
357 VSCALEX_FUNCS(avx);
358 
359 #define VSCALE_FUNC(size, opt) \
360 void ff_yuv2plane1_ ## size ## _ ## opt(const int16_t *src, uint8_t *dst, int dstW, \
361  const uint8_t *dither, int offset)
362 #define VSCALE_FUNCS(opt1, opt2) \
363  VSCALE_FUNC(8, opt1); \
364  VSCALE_FUNC(9, opt2); \
365  VSCALE_FUNC(10, opt2); \
366  VSCALE_FUNC(16, opt1)
367 
368 #if ARCH_X86_32
369 VSCALE_FUNCS(mmx, mmxext);
370 #endif
371 VSCALE_FUNCS(sse2, sse2);
372 VSCALE_FUNC(16, sse4);
373 VSCALE_FUNCS(avx, avx);
374 
375 #define INPUT_Y_FUNC(fmt, opt) \
376 void ff_ ## fmt ## ToY_ ## opt(uint8_t *dst, const uint8_t *src, \
377  const uint8_t *unused1, const uint8_t *unused2, \
378  int w, uint32_t *unused)
379 #define INPUT_UV_FUNC(fmt, opt) \
380 void ff_ ## fmt ## ToUV_ ## opt(uint8_t *dstU, uint8_t *dstV, \
381  const uint8_t *unused0, \
382  const uint8_t *src1, \
383  const uint8_t *src2, \
384  int w, uint32_t *unused)
385 #define INPUT_FUNC(fmt, opt) \
386  INPUT_Y_FUNC(fmt, opt); \
387  INPUT_UV_FUNC(fmt, opt)
388 #define INPUT_FUNCS(opt) \
389  INPUT_FUNC(uyvy, opt); \
390  INPUT_FUNC(yuyv, opt); \
391  INPUT_UV_FUNC(nv12, opt); \
392  INPUT_UV_FUNC(nv21, opt); \
393  INPUT_FUNC(rgba, opt); \
394  INPUT_FUNC(bgra, opt); \
395  INPUT_FUNC(argb, opt); \
396  INPUT_FUNC(abgr, opt); \
397  INPUT_FUNC(rgb24, opt); \
398  INPUT_FUNC(bgr24, opt)
399 
400 #if ARCH_X86_32
401 INPUT_FUNCS(mmx);
402 #endif
403 INPUT_FUNCS(sse2);
404 INPUT_FUNCS(ssse3);
405 INPUT_FUNCS(avx);
406 
408 {
409  int cpu_flags = av_get_cpu_flags();
410 
411 #if HAVE_MMX_INLINE
412  if (INLINE_MMX(cpu_flags))
413  sws_init_swscale_mmx(c);
414 #endif
415 #if HAVE_MMXEXT_INLINE
416  if (INLINE_MMXEXT(cpu_flags))
417  sws_init_swscale_mmxext(c);
418  if (cpu_flags & AV_CPU_FLAG_SSE3){
419  if(c->use_mmx_vfilter && !(c->flags & SWS_ACCURATE_RND))
420  c->yuv2planeX = yuv2yuvX_sse3;
421  }
422 #endif
423 
424 #define ASSIGN_SCALE_FUNC2(hscalefn, filtersize, opt1, opt2) do { \
425  if (c->srcBpc == 8) { \
426  hscalefn = c->dstBpc <= 14 ? ff_hscale8to15_ ## filtersize ## _ ## opt2 : \
427  ff_hscale8to19_ ## filtersize ## _ ## opt1; \
428  } else if (c->srcBpc == 9) { \
429  hscalefn = c->dstBpc <= 14 ? ff_hscale9to15_ ## filtersize ## _ ## opt2 : \
430  ff_hscale9to19_ ## filtersize ## _ ## opt1; \
431  } else if (c->srcBpc == 10) { \
432  hscalefn = c->dstBpc <= 14 ? ff_hscale10to15_ ## filtersize ## _ ## opt2 : \
433  ff_hscale10to19_ ## filtersize ## _ ## opt1; \
434  } else if (c->srcBpc == 12) { \
435  hscalefn = c->dstBpc <= 14 ? ff_hscale12to15_ ## filtersize ## _ ## opt2 : \
436  ff_hscale12to19_ ## filtersize ## _ ## opt1; \
437  } 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)) { \
438  hscalefn = c->dstBpc <= 14 ? ff_hscale14to15_ ## filtersize ## _ ## opt2 : \
439  ff_hscale14to19_ ## filtersize ## _ ## opt1; \
440  } else { /* c->srcBpc == 16 */ \
441  av_assert0(c->srcBpc == 16);\
442  hscalefn = c->dstBpc <= 14 ? ff_hscale16to15_ ## filtersize ## _ ## opt2 : \
443  ff_hscale16to19_ ## filtersize ## _ ## opt1; \
444  } \
445 } while (0)
446 #define ASSIGN_MMX_SCALE_FUNC(hscalefn, filtersize, opt1, opt2) \
447  switch (filtersize) { \
448  case 4: ASSIGN_SCALE_FUNC2(hscalefn, 4, opt1, opt2); break; \
449  case 8: ASSIGN_SCALE_FUNC2(hscalefn, 8, opt1, opt2); break; \
450  default: ASSIGN_SCALE_FUNC2(hscalefn, X, opt1, opt2); break; \
451  }
452 #define ASSIGN_VSCALEX_FUNC(vscalefn, opt, do_16_case, condition_8bit) \
453 switch(c->dstBpc){ \
454  case 16: do_16_case; break; \
455  case 10: if (!isBE(c->dstFormat)) vscalefn = ff_yuv2planeX_10_ ## opt; break; \
456  case 9: if (!isBE(c->dstFormat)) vscalefn = ff_yuv2planeX_9_ ## opt; break; \
457  case 8: if ((condition_8bit) && !c->use_mmx_vfilter) vscalefn = ff_yuv2planeX_8_ ## opt; break; \
458  }
459 #define ASSIGN_VSCALE_FUNC(vscalefn, opt1, opt2, opt2chk) \
460  switch(c->dstBpc){ \
461  case 16: if (!isBE(c->dstFormat)) vscalefn = ff_yuv2plane1_16_ ## opt1; break; \
462  case 10: if (!isBE(c->dstFormat) && opt2chk) vscalefn = ff_yuv2plane1_10_ ## opt2; break; \
463  case 9: if (!isBE(c->dstFormat) && opt2chk) vscalefn = ff_yuv2plane1_9_ ## opt2; break; \
464  case 8: vscalefn = ff_yuv2plane1_8_ ## opt1; break; \
465  default: av_assert0(c->dstBpc>8); \
466  }
467 #define case_rgb(x, X, opt) \
468  case AV_PIX_FMT_ ## X: \
469  c->lumToYV12 = ff_ ## x ## ToY_ ## opt; \
470  if (!c->chrSrcHSubSample) \
471  c->chrToYV12 = ff_ ## x ## ToUV_ ## opt; \
472  break
473 #if ARCH_X86_32
474  if (EXTERNAL_MMX(cpu_flags)) {
475  ASSIGN_MMX_SCALE_FUNC(c->hyScale, c->hLumFilterSize, mmx, mmx);
476  ASSIGN_MMX_SCALE_FUNC(c->hcScale, c->hChrFilterSize, mmx, mmx);
477  ASSIGN_VSCALE_FUNC(c->yuv2plane1, mmx, mmxext, cpu_flags & AV_CPU_FLAG_MMXEXT);
478 
479  switch (c->srcFormat) {
480  case AV_PIX_FMT_YA8:
481  c->lumToYV12 = ff_yuyvToY_mmx;
482  if (c->alpPixBuf)
483  c->alpToYV12 = ff_uyvyToY_mmx;
484  break;
485  case AV_PIX_FMT_YUYV422:
486  c->lumToYV12 = ff_yuyvToY_mmx;
487  c->chrToYV12 = ff_yuyvToUV_mmx;
488  break;
489  case AV_PIX_FMT_UYVY422:
490  c->lumToYV12 = ff_uyvyToY_mmx;
491  c->chrToYV12 = ff_uyvyToUV_mmx;
492  break;
493  case AV_PIX_FMT_NV12:
494  c->chrToYV12 = ff_nv12ToUV_mmx;
495  break;
496  case AV_PIX_FMT_NV21:
497  c->chrToYV12 = ff_nv21ToUV_mmx;
498  break;
499  case_rgb(rgb24, RGB24, mmx);
500  case_rgb(bgr24, BGR24, mmx);
501  case_rgb(bgra, BGRA, mmx);
502  case_rgb(rgba, RGBA, mmx);
503  case_rgb(abgr, ABGR, mmx);
504  case_rgb(argb, ARGB, mmx);
505  default:
506  break;
507  }
508  }
509  if (EXTERNAL_MMXEXT(cpu_flags)) {
510  ASSIGN_VSCALEX_FUNC(c->yuv2planeX, mmxext, , 1);
511  }
512 #endif /* ARCH_X86_32 */
513 #define ASSIGN_SSE_SCALE_FUNC(hscalefn, filtersize, opt1, opt2) \
514  switch (filtersize) { \
515  case 4: ASSIGN_SCALE_FUNC2(hscalefn, 4, opt1, opt2); break; \
516  case 8: ASSIGN_SCALE_FUNC2(hscalefn, 8, opt1, opt2); break; \
517  default: if (filtersize & 4) ASSIGN_SCALE_FUNC2(hscalefn, X4, opt1, opt2); \
518  else ASSIGN_SCALE_FUNC2(hscalefn, X8, opt1, opt2); \
519  break; \
520  }
521  if (EXTERNAL_SSE2(cpu_flags)) {
522  ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, sse2, sse2);
523  ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, sse2, sse2);
524  ASSIGN_VSCALEX_FUNC(c->yuv2planeX, sse2, ,
525  HAVE_ALIGNED_STACK || ARCH_X86_64);
526  ASSIGN_VSCALE_FUNC(c->yuv2plane1, sse2, sse2, 1);
527 
528  switch (c->srcFormat) {
529  case AV_PIX_FMT_YA8:
530  c->lumToYV12 = ff_yuyvToY_sse2;
531  if (c->alpPixBuf)
532  c->alpToYV12 = ff_uyvyToY_sse2;
533  break;
534  case AV_PIX_FMT_YUYV422:
535  c->lumToYV12 = ff_yuyvToY_sse2;
536  c->chrToYV12 = ff_yuyvToUV_sse2;
537  break;
538  case AV_PIX_FMT_UYVY422:
539  c->lumToYV12 = ff_uyvyToY_sse2;
540  c->chrToYV12 = ff_uyvyToUV_sse2;
541  break;
542  case AV_PIX_FMT_NV12:
543  c->chrToYV12 = ff_nv12ToUV_sse2;
544  break;
545  case AV_PIX_FMT_NV21:
546  c->chrToYV12 = ff_nv21ToUV_sse2;
547  break;
548  case_rgb(rgb24, RGB24, sse2);
549  case_rgb(bgr24, BGR24, sse2);
550  case_rgb(bgra, BGRA, sse2);
551  case_rgb(rgba, RGBA, sse2);
552  case_rgb(abgr, ABGR, sse2);
553  case_rgb(argb, ARGB, sse2);
554  default:
555  break;
556  }
557  }
558  if (EXTERNAL_SSSE3(cpu_flags)) {
559  ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, ssse3, ssse3);
560  ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, ssse3, ssse3);
561  switch (c->srcFormat) {
562  case_rgb(rgb24, RGB24, ssse3);
563  case_rgb(bgr24, BGR24, ssse3);
564  default:
565  break;
566  }
567  }
568  if (EXTERNAL_SSE4(cpu_flags)) {
569  /* Xto15 don't need special sse4 functions */
570  ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, sse4, ssse3);
571  ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, sse4, ssse3);
573  if (!isBE(c->dstFormat)) c->yuv2planeX = ff_yuv2planeX_16_sse4,
574  HAVE_ALIGNED_STACK || ARCH_X86_64);
575  if (c->dstBpc == 16 && !isBE(c->dstFormat))
576  c->yuv2plane1 = ff_yuv2plane1_16_sse4;
577  }
578 
579  if (EXTERNAL_AVX(cpu_flags)) {
581  HAVE_ALIGNED_STACK || ARCH_X86_64);
582  ASSIGN_VSCALE_FUNC(c->yuv2plane1, avx, avx, 1);
583 
584  switch (c->srcFormat) {
585  case AV_PIX_FMT_YUYV422:
586  c->chrToYV12 = ff_yuyvToUV_avx;
587  break;
588  case AV_PIX_FMT_UYVY422:
589  c->chrToYV12 = ff_uyvyToUV_avx;
590  break;
591  case AV_PIX_FMT_NV12:
592  c->chrToYV12 = ff_nv12ToUV_avx;
593  break;
594  case AV_PIX_FMT_NV21:
595  c->chrToYV12 = ff_nv21ToUV_avx;
596  break;
597  case_rgb(rgb24, RGB24, avx);
598  case_rgb(bgr24, BGR24, avx);
599  case_rgb(bgra, BGRA, avx);
600  case_rgb(rgba, RGBA, avx);
601  case_rgb(abgr, ABGR, avx);
602  case_rgb(argb, ARGB, avx);
603  default:
604  break;
605  }
606  }
607 }
#define EXTERNAL_MMX(flags)
Definition: cpu.h:53
packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1
Definition: pixfmt.h:83
int16_t ** alpPixBuf
Ring buffer for scaled horizontal alpha plane lines to be fed to the vertical scaler.
#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:631
int chrSrcH
Height of source chroma planes.
8bit gray, 8bit alpha
Definition: pixfmt.h:155
#define VSCALE_FUNC(size, opt)
Definition: swscale.c:359
#define SCALE_FUNCS_MMX(opt)
Definition: swscale.c:324
#define DECLARE_ALIGNED(n, t, v)
Definition: mem.h:53
uint64_t redDither
#define RGBA(r, g, b, a)
Definition: dvbsubdec.c:153
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:362
#define EXTERNAL_SSE4(flags)
Definition: cpu.h:63
#define DECLARE_ASM_CONST(n, t, v)
Definition: mem.h:54
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:74
uint8_t ** line
line buffer
int vChrFilterSize
Vertical filter size for chroma pixels.
static av_cold int end(AVCodecContext *avctx)
Definition: avrndec.c:90
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
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.
av_cold void ff_sws_init_swscale_x86(SwsContext *c)
Definition: swscale.c:407
int lastInLumBuf
Last scaled horizontal luma/alpha line from source in the ring buffer.
external API header
enum AVPixelFormat dstFormat
Destination pixel format.
#define EXTERNAL_SSE2(flags)
Definition: cpu.h:56
#define VSCALEX_FUNCS(opt)
Definition: swscale.c:346
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:75
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:91
simple assert() macros that are a bit more flexible than ISO C assert().
Slice plane.
int vChrBufSize
Number of vertical chroma lines allocated in the ring buffer.
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.
as above, but U and V bytes are swapped
Definition: pixfmt.h:92
#define APCK_SIZE
#define FFMIN(a, b)
Definition: common.h:81
#define AV_CPU_FLAG_SSE3
Prescott SSE3 functions.
Definition: cpu.h:38
yuv2planar1_fn yuv2plane1
int vLumBufSize
Number of vertical luma/alpha lines allocated in the ring buffer.
#define SCALE_FUNCS_SSE(opt)
Definition: swscale.c:329
int16_t ** chrUPixBuf
Ring buffer for scaled horizontal chroma plane lines to be fed to the vertical scaler.
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:373
static av_always_inline int isBE(enum AVPixelFormat pix_fmt)
int32_t lumMmxFilter[4 *MAX_FILTER_SIZE]
AVS_Value src
Definition: avisynth_c.h:482
#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:64
#define APCK_COEF
#define EXTERNAL_SSSE3(flags)
Definition: cpu.h:62
int vLumFilterSize
Vertical filter size for luma/alpha pixels.
#define SWS_ACCURATE_RND
Definition: swscale.h:81
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:76
#define INPUT_FUNCS(opt)
Definition: swscale.c:388
static int flags
Definition: cpu.c:47
#define EXTERNAL_MMXEXT(flags)
Definition: cpu.h:54
int lumBufIndex
Index in ring buffer of the last scaled horizontal luma/alpha line from source.
#define VSCALEX_FUNC(size, opt)
Definition: swscale.c:342
#define INLINE_MMXEXT(flags)
Definition: cpu.h:76
int lastInChrBuf
Last scaled horizontal chroma line from source in the ring buffer.
static void filter(MpegAudioContext *s, int ch, const short *samples, int incr)
if(ret< 0)
Definition: vf_mcdeint.c:280
static double c[64]
enum AVPixelFormat srcFormat
Source pixel format.
int32_t chrMmxFilter[4 *MAX_FILTER_SIZE]
#define AV_PIX_FMT_RGB555
Definition: pixfmt.h:368
#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.
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:65
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 av_unused
Definition: attributes.h:118