FFmpeg
swscale.c
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1 /*
2  * Copyright (C) 2001-2011 Michael Niedermayer <michaelni@gmx.at>
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include <inttypes.h>
22 #include "config.h"
23 #include "libswscale/swscale.h"
24 #include "libswscale/swscale_internal.h"
25 #include "libavutil/attributes.h"
26 #include "libavutil/avassert.h"
27 #include "libavutil/intreadwrite.h"
28 #include "libavutil/x86/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 // MMXEXT versions
58 #if HAVE_MMXEXT_INLINE
59 #undef RENAME
60 #undef COMPILE_TEMPLATE_MMXEXT
61 #define COMPILE_TEMPLATE_MMXEXT 1
62 #define RENAME(a) a ## _mmxext
63 #include "swscale_template.c"
64 #endif
65 
66 void ff_updateMMXDitherTables(SwsContext *c, int dstY)
67 {
68  const int dstH= c->dstH;
69  const int flags= c->flags;
70 
71  SwsPlane *lumPlane = &c->slice[c->numSlice-2].plane[0];
72  SwsPlane *chrUPlane = &c->slice[c->numSlice-2].plane[1];
73  SwsPlane *alpPlane = &c->slice[c->numSlice-2].plane[3];
74 
75  int hasAlpha = c->needAlpha;
76  int32_t *vLumFilterPos= c->vLumFilterPos;
77  int32_t *vChrFilterPos= c->vChrFilterPos;
78  int16_t *vLumFilter= c->vLumFilter;
79  int16_t *vChrFilter= c->vChrFilter;
80  int32_t *lumMmxFilter= c->lumMmxFilter;
81  int32_t *chrMmxFilter= c->chrMmxFilter;
82  int32_t av_unused *alpMmxFilter= c->alpMmxFilter;
83  const int vLumFilterSize= c->vLumFilterSize;
84  const int vChrFilterSize= c->vChrFilterSize;
85  const int chrDstY= dstY>>c->chrDstVSubSample;
86  const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input
87  const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input
88 
89  c->blueDither= ff_dither8[dstY&1];
90  if (c->dstFormat == AV_PIX_FMT_RGB555 || c->dstFormat == AV_PIX_FMT_BGR555)
91  c->greenDither= ff_dither8[dstY&1];
92  else
93  c->greenDither= ff_dither4[dstY&1];
94  c->redDither= ff_dither8[(dstY+1)&1];
95  if (dstY < dstH - 2) {
96  const int16_t **lumSrcPtr = (const int16_t **)(void*) lumPlane->line + firstLumSrcY - lumPlane->sliceY;
97  const int16_t **chrUSrcPtr = (const int16_t **)(void*) chrUPlane->line + firstChrSrcY - chrUPlane->sliceY;
98  const int16_t **alpSrcPtr = (CONFIG_SWSCALE_ALPHA && hasAlpha) ? (const int16_t **)(void*) alpPlane->line + firstLumSrcY - alpPlane->sliceY : NULL;
99 
100  int i;
101  if (firstLumSrcY < 0 || firstLumSrcY + vLumFilterSize > c->srcH) {
102  const int16_t **tmpY = (const int16_t **) lumPlane->tmp;
103 
104  int neg = -firstLumSrcY, i, end = FFMIN(c->srcH - firstLumSrcY, vLumFilterSize);
105  for (i = 0; i < neg; i++)
106  tmpY[i] = lumSrcPtr[neg];
107  for ( ; i < end; i++)
108  tmpY[i] = lumSrcPtr[i];
109  for ( ; i < vLumFilterSize; i++)
110  tmpY[i] = tmpY[i-1];
111  lumSrcPtr = tmpY;
112 
113  if (alpSrcPtr) {
114  const int16_t **tmpA = (const int16_t **) alpPlane->tmp;
115  for (i = 0; i < neg; i++)
116  tmpA[i] = alpSrcPtr[neg];
117  for ( ; i < end; i++)
118  tmpA[i] = alpSrcPtr[i];
119  for ( ; i < vLumFilterSize; i++)
120  tmpA[i] = tmpA[i - 1];
121  alpSrcPtr = tmpA;
122  }
123  }
124  if (firstChrSrcY < 0 || firstChrSrcY + vChrFilterSize > c->chrSrcH) {
125  const int16_t **tmpU = (const int16_t **) chrUPlane->tmp;
126  int neg = -firstChrSrcY, i, end = FFMIN(c->chrSrcH - firstChrSrcY, vChrFilterSize);
127  for (i = 0; i < neg; i++) {
128  tmpU[i] = chrUSrcPtr[neg];
129  }
130  for ( ; i < end; i++) {
131  tmpU[i] = chrUSrcPtr[i];
132  }
133  for ( ; i < vChrFilterSize; i++) {
134  tmpU[i] = tmpU[i - 1];
135  }
136  chrUSrcPtr = tmpU;
137  }
138 
139  if (flags & SWS_ACCURATE_RND) {
140  int s= APCK_SIZE / 8;
141  for (i=0; i<vLumFilterSize; i+=2) {
142  *(const void**)&lumMmxFilter[s*i ]= lumSrcPtr[i ];
143  *(const void**)&lumMmxFilter[s*i+APCK_PTR2/4 ]= lumSrcPtr[i+(vLumFilterSize>1)];
144  lumMmxFilter[s*i+APCK_COEF/4 ]=
145  lumMmxFilter[s*i+APCK_COEF/4+1]= vLumFilter[dstY*vLumFilterSize + i ]
146  + (vLumFilterSize>1 ? vLumFilter[dstY*vLumFilterSize + i + 1] * (1 << 16) : 0);
147  if (CONFIG_SWSCALE_ALPHA && hasAlpha) {
148  *(const void**)&alpMmxFilter[s*i ]= alpSrcPtr[i ];
149  *(const void**)&alpMmxFilter[s*i+APCK_PTR2/4 ]= alpSrcPtr[i+(vLumFilterSize>1)];
150  alpMmxFilter[s*i+APCK_COEF/4 ]=
151  alpMmxFilter[s*i+APCK_COEF/4+1]= lumMmxFilter[s*i+APCK_COEF/4 ];
152  }
153  }
154  for (i=0; i<vChrFilterSize; i+=2) {
155  *(const void**)&chrMmxFilter[s*i ]= chrUSrcPtr[i ];
156  *(const void**)&chrMmxFilter[s*i+APCK_PTR2/4 ]= chrUSrcPtr[i+(vChrFilterSize>1)];
157  chrMmxFilter[s*i+APCK_COEF/4 ]=
158  chrMmxFilter[s*i+APCK_COEF/4+1]= vChrFilter[chrDstY*vChrFilterSize + i ]
159  + (vChrFilterSize>1 ? vChrFilter[chrDstY*vChrFilterSize + i + 1] * (1 << 16) : 0);
160  }
161  } else {
162  for (i=0; i<vLumFilterSize; i++) {
163  *(const void**)&lumMmxFilter[4*i+0]= lumSrcPtr[i];
164  lumMmxFilter[4*i+2]=
165  lumMmxFilter[4*i+3]=
166  ((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001U;
167  if (CONFIG_SWSCALE_ALPHA && hasAlpha) {
168  *(const void**)&alpMmxFilter[4*i+0]= alpSrcPtr[i];
169  alpMmxFilter[4*i+2]=
170  alpMmxFilter[4*i+3]= lumMmxFilter[4*i+2];
171  }
172  }
173  for (i=0; i<vChrFilterSize; i++) {
174  *(const void**)&chrMmxFilter[4*i+0]= chrUSrcPtr[i];
175  chrMmxFilter[4*i+2]=
176  chrMmxFilter[4*i+3]=
177  ((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001U;
178  }
179  }
180  }
181 }
182 #endif /* HAVE_INLINE_ASM */
183 
184 #define YUV2YUVX_FUNC_MMX(opt, step) \
185 void ff_yuv2yuvX_ ##opt(const int16_t *filter, int filterSize, int srcOffset, \
186  uint8_t *dest, int dstW, \
187  const uint8_t *dither, int offset); \
188 static void yuv2yuvX_ ##opt(const int16_t *filter, int filterSize, \
189  const int16_t **src, uint8_t *dest, int dstW, \
190  const uint8_t *dither, int offset) \
191 { \
192  if(dstW > 0) \
193  ff_yuv2yuvX_ ##opt(filter, filterSize - 1, 0, dest - offset, dstW + offset, dither, offset); \
194  return; \
195 }
196 
197 #define YUV2YUVX_FUNC(opt, step) \
198 void ff_yuv2yuvX_ ##opt(const int16_t *filter, int filterSize, int srcOffset, \
199  uint8_t *dest, int dstW, \
200  const uint8_t *dither, int offset); \
201 static void yuv2yuvX_ ##opt(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  int remainder = (dstW % step); \
206  int pixelsProcessed = dstW - remainder; \
207  if(((uintptr_t)dest) & 15){ \
208  yuv2yuvX_mmx(filter, filterSize, src, dest, dstW, dither, offset); \
209  return; \
210  } \
211  if(pixelsProcessed > 0) \
212  ff_yuv2yuvX_ ##opt(filter, filterSize - 1, 0, dest - offset, pixelsProcessed + offset, dither, offset); \
213  if(remainder > 0){ \
214  ff_yuv2yuvX_mmx(filter, filterSize - 1, pixelsProcessed, dest - offset, pixelsProcessed + remainder + offset, dither, offset); \
215  } \
216  return; \
217 }
218 
219 #if HAVE_MMX_EXTERNAL
220 YUV2YUVX_FUNC_MMX(mmx, 16)
221 #endif
222 #if HAVE_MMXEXT_EXTERNAL
223 YUV2YUVX_FUNC_MMX(mmxext, 16)
224 #endif
225 #if HAVE_SSE3_EXTERNAL
226 YUV2YUVX_FUNC(sse3, 32)
227 #endif
228 #if HAVE_AVX2_EXTERNAL
229 YUV2YUVX_FUNC(avx2, 64)
230 #endif
231 
232 #define SCALE_FUNC(filter_n, from_bpc, to_bpc, opt) \
233 void ff_hscale ## from_bpc ## to ## to_bpc ## _ ## filter_n ## _ ## opt( \
234  SwsContext *c, int16_t *data, \
235  int dstW, const uint8_t *src, \
236  const int16_t *filter, \
237  const int32_t *filterPos, int filterSize)
238 
239 #define SCALE_FUNCS(filter_n, opt) \
240  SCALE_FUNC(filter_n, 8, 15, opt); \
241  SCALE_FUNC(filter_n, 9, 15, opt); \
242  SCALE_FUNC(filter_n, 10, 15, opt); \
243  SCALE_FUNC(filter_n, 12, 15, opt); \
244  SCALE_FUNC(filter_n, 14, 15, opt); \
245  SCALE_FUNC(filter_n, 16, 15, opt); \
246  SCALE_FUNC(filter_n, 8, 19, opt); \
247  SCALE_FUNC(filter_n, 9, 19, opt); \
248  SCALE_FUNC(filter_n, 10, 19, opt); \
249  SCALE_FUNC(filter_n, 12, 19, opt); \
250  SCALE_FUNC(filter_n, 14, 19, opt); \
251  SCALE_FUNC(filter_n, 16, 19, opt)
252 
253 #define SCALE_FUNCS_MMX(opt) \
254  SCALE_FUNCS(4, opt); \
255  SCALE_FUNCS(8, opt); \
256  SCALE_FUNCS(X, opt)
257 
258 #define SCALE_FUNCS_SSE(opt) \
259  SCALE_FUNCS(4, opt); \
260  SCALE_FUNCS(8, opt); \
261  SCALE_FUNCS(X4, opt); \
262  SCALE_FUNCS(X8, opt)
263 
264 SCALE_FUNCS_SSE(sse2);
265 SCALE_FUNCS_SSE(ssse3);
266 SCALE_FUNCS_SSE(sse4);
267 
268 SCALE_FUNC(4, 8, 15, avx2);
269 SCALE_FUNC(X4, 8, 15, avx2);
270 
271 #define VSCALEX_FUNC(size, opt) \
272 void ff_yuv2planeX_ ## size ## _ ## opt(const int16_t *filter, int filterSize, \
273  const int16_t **src, uint8_t *dest, int dstW, \
274  const uint8_t *dither, int offset)
275 #define VSCALEX_FUNCS(opt) \
276  VSCALEX_FUNC(8, opt); \
277  VSCALEX_FUNC(9, opt); \
278  VSCALEX_FUNC(10, opt)
279 
280 VSCALEX_FUNC(8, mmxext);
281 VSCALEX_FUNCS(sse2);
282 VSCALEX_FUNCS(sse4);
283 VSCALEX_FUNC(16, sse4);
284 VSCALEX_FUNCS(avx);
285 
286 #define VSCALE_FUNC(size, opt) \
287 void ff_yuv2plane1_ ## size ## _ ## opt(const int16_t *src, uint8_t *dst, int dstW, \
288  const uint8_t *dither, int offset)
289 #define VSCALE_FUNCS(opt1, opt2) \
290  VSCALE_FUNC(8, opt1); \
291  VSCALE_FUNC(9, opt2); \
292  VSCALE_FUNC(10, opt2); \
293  VSCALE_FUNC(16, opt1)
294 
295 VSCALE_FUNCS(sse2, sse2);
296 VSCALE_FUNC(16, sse4);
297 VSCALE_FUNCS(avx, avx);
298 
299 #define INPUT_Y_FUNC(fmt, opt) \
300 void ff_ ## fmt ## ToY_ ## opt(uint8_t *dst, const uint8_t *src, \
301  const uint8_t *unused1, const uint8_t *unused2, \
302  int w, uint32_t *unused)
303 #define INPUT_UV_FUNC(fmt, opt) \
304 void ff_ ## fmt ## ToUV_ ## opt(uint8_t *dstU, uint8_t *dstV, \
305  const uint8_t *unused0, \
306  const uint8_t *src1, \
307  const uint8_t *src2, \
308  int w, uint32_t *unused)
309 #define INPUT_FUNC(fmt, opt) \
310  INPUT_Y_FUNC(fmt, opt); \
311  INPUT_UV_FUNC(fmt, opt)
312 #define INPUT_FUNCS(opt) \
313  INPUT_FUNC(uyvy, opt); \
314  INPUT_FUNC(yuyv, opt); \
315  INPUT_UV_FUNC(nv12, opt); \
316  INPUT_UV_FUNC(nv21, opt); \
317  INPUT_FUNC(rgba, opt); \
318  INPUT_FUNC(bgra, opt); \
319  INPUT_FUNC(argb, opt); \
320  INPUT_FUNC(abgr, opt); \
321  INPUT_FUNC(rgb24, opt); \
322  INPUT_FUNC(bgr24, opt)
323 
324 INPUT_FUNCS(sse2);
325 INPUT_FUNCS(ssse3);
326 INPUT_FUNCS(avx);
327 
328 #if ARCH_X86_64
329 #define YUV2NV_DECL(fmt, opt) \
330 void ff_yuv2 ## fmt ## cX_ ## opt(enum AVPixelFormat format, const uint8_t *dither, \
331  const int16_t *filter, int filterSize, \
332  const int16_t **u, const int16_t **v, \
333  uint8_t *dst, int dstWidth)
334 
335 YUV2NV_DECL(nv12, avx2);
336 YUV2NV_DECL(nv21, avx2);
337 
338 #define YUV2GBRP_FN_DECL(fmt, opt) \
339 void ff_yuv2##fmt##_full_X_ ##opt(SwsContext *c, const int16_t *lumFilter, \
340  const int16_t **lumSrcx, int lumFilterSize, \
341  const int16_t *chrFilter, const int16_t **chrUSrcx, \
342  const int16_t **chrVSrcx, int chrFilterSize, \
343  const int16_t **alpSrcx, uint8_t **dest, \
344  int dstW, int y)
345 
346 #define YUV2GBRP_DECL(opt) \
347 YUV2GBRP_FN_DECL(gbrp, opt); \
348 YUV2GBRP_FN_DECL(gbrap, opt); \
349 YUV2GBRP_FN_DECL(gbrp9le, opt); \
350 YUV2GBRP_FN_DECL(gbrp10le, opt); \
351 YUV2GBRP_FN_DECL(gbrap10le, opt); \
352 YUV2GBRP_FN_DECL(gbrp12le, opt); \
353 YUV2GBRP_FN_DECL(gbrap12le, opt); \
354 YUV2GBRP_FN_DECL(gbrp14le, opt); \
355 YUV2GBRP_FN_DECL(gbrp16le, opt); \
356 YUV2GBRP_FN_DECL(gbrap16le, opt); \
357 YUV2GBRP_FN_DECL(gbrpf32le, opt); \
358 YUV2GBRP_FN_DECL(gbrapf32le, opt); \
359 YUV2GBRP_FN_DECL(gbrp9be, opt); \
360 YUV2GBRP_FN_DECL(gbrp10be, opt); \
361 YUV2GBRP_FN_DECL(gbrap10be, opt); \
362 YUV2GBRP_FN_DECL(gbrp12be, opt); \
363 YUV2GBRP_FN_DECL(gbrap12be, opt); \
364 YUV2GBRP_FN_DECL(gbrp14be, opt); \
365 YUV2GBRP_FN_DECL(gbrp16be, opt); \
366 YUV2GBRP_FN_DECL(gbrap16be, opt); \
367 YUV2GBRP_FN_DECL(gbrpf32be, opt); \
368 YUV2GBRP_FN_DECL(gbrapf32be, opt)
369 
370 YUV2GBRP_DECL(sse2);
371 YUV2GBRP_DECL(sse4);
372 YUV2GBRP_DECL(avx2);
373 
374 #define INPUT_PLANAR_RGB_Y_FN_DECL(fmt, opt) \
375 void ff_planar_##fmt##_to_y_##opt(uint8_t *dst, \
376  const uint8_t *src[4], int w, int32_t *rgb2yuv)
377 
378 #define INPUT_PLANAR_RGB_UV_FN_DECL(fmt, opt) \
379 void ff_planar_##fmt##_to_uv_##opt(uint8_t *dstU, uint8_t *dstV, \
380  const uint8_t *src[4], int w, int32_t *rgb2yuv)
381 
382 #define INPUT_PLANAR_RGB_A_FN_DECL(fmt, opt) \
383 void ff_planar_##fmt##_to_a_##opt(uint8_t *dst, \
384  const uint8_t *src[4], int w, int32_t *rgb2yuv)
385 
386 
387 #define INPUT_PLANAR_RGBXX_A_DECL(fmt, opt) \
388 INPUT_PLANAR_RGB_A_FN_DECL(fmt##le, opt); \
389 INPUT_PLANAR_RGB_A_FN_DECL(fmt##be, opt)
390 
391 #define INPUT_PLANAR_RGBXX_Y_DECL(fmt, opt) \
392 INPUT_PLANAR_RGB_Y_FN_DECL(fmt##le, opt); \
393 INPUT_PLANAR_RGB_Y_FN_DECL(fmt##be, opt)
394 
395 #define INPUT_PLANAR_RGBXX_UV_DECL(fmt, opt) \
396 INPUT_PLANAR_RGB_UV_FN_DECL(fmt##le, opt); \
397 INPUT_PLANAR_RGB_UV_FN_DECL(fmt##be, opt)
398 
399 #define INPUT_PLANAR_RGBXX_YUVA_DECL(fmt, opt) \
400 INPUT_PLANAR_RGBXX_Y_DECL(fmt, opt); \
401 INPUT_PLANAR_RGBXX_UV_DECL(fmt, opt); \
402 INPUT_PLANAR_RGBXX_A_DECL(fmt, opt)
403 
404 #define INPUT_PLANAR_RGBXX_YUV_DECL(fmt, opt) \
405 INPUT_PLANAR_RGBXX_Y_DECL(fmt, opt); \
406 INPUT_PLANAR_RGBXX_UV_DECL(fmt, opt)
407 
408 #define INPUT_PLANAR_RGBXX_UVA_DECL(fmt, opt) \
409 INPUT_PLANAR_RGBXX_UV_DECL(fmt, opt); \
410 INPUT_PLANAR_RGBXX_A_DECL(fmt, opt)
411 
412 #define INPUT_PLANAR_RGB_A_ALL_DECL(opt) \
413 INPUT_PLANAR_RGB_A_FN_DECL(rgb, opt); \
414 INPUT_PLANAR_RGBXX_A_DECL(rgb10, opt); \
415 INPUT_PLANAR_RGBXX_A_DECL(rgb12, opt); \
416 INPUT_PLANAR_RGBXX_A_DECL(rgb16, opt); \
417 INPUT_PLANAR_RGBXX_A_DECL(rgbf32, opt)
418 
419 #define INPUT_PLANAR_RGB_Y_ALL_DECL(opt) \
420 INPUT_PLANAR_RGB_Y_FN_DECL(rgb, opt); \
421 INPUT_PLANAR_RGBXX_Y_DECL(rgb9, opt); \
422 INPUT_PLANAR_RGBXX_Y_DECL(rgb10, opt); \
423 INPUT_PLANAR_RGBXX_Y_DECL(rgb12, opt); \
424 INPUT_PLANAR_RGBXX_Y_DECL(rgb14, opt); \
425 INPUT_PLANAR_RGBXX_Y_DECL(rgb16, opt); \
426 INPUT_PLANAR_RGBXX_Y_DECL(rgbf32, opt)
427 
428 #define INPUT_PLANAR_RGB_UV_ALL_DECL(opt) \
429 INPUT_PLANAR_RGB_UV_FN_DECL(rgb, opt); \
430 INPUT_PLANAR_RGBXX_UV_DECL(rgb9, opt); \
431 INPUT_PLANAR_RGBXX_UV_DECL(rgb10, opt); \
432 INPUT_PLANAR_RGBXX_UV_DECL(rgb12, opt); \
433 INPUT_PLANAR_RGBXX_UV_DECL(rgb14, opt); \
434 INPUT_PLANAR_RGBXX_UV_DECL(rgb16, opt); \
435 INPUT_PLANAR_RGBXX_UV_DECL(rgbf32, opt)
436 
437 INPUT_PLANAR_RGBXX_Y_DECL(rgbf32, sse2);
438 INPUT_PLANAR_RGB_UV_ALL_DECL(sse2);
439 INPUT_PLANAR_RGB_A_ALL_DECL(sse2);
440 
441 INPUT_PLANAR_RGB_Y_ALL_DECL(sse4);
442 INPUT_PLANAR_RGB_UV_ALL_DECL(sse4);
443 INPUT_PLANAR_RGBXX_A_DECL(rgbf32, sse4);
444 
445 INPUT_PLANAR_RGB_Y_ALL_DECL(avx2);
446 INPUT_PLANAR_RGB_UV_ALL_DECL(avx2);
447 INPUT_PLANAR_RGB_A_ALL_DECL(avx2);
448 #endif
449 
450 av_cold void ff_sws_init_swscale_x86(SwsContext *c)
451 {
452  int cpu_flags = av_get_cpu_flags();
453 
454 #if HAVE_MMXEXT_INLINE
455  if (INLINE_MMXEXT(cpu_flags))
456  sws_init_swscale_mmxext(c);
457 #endif
458  if(c->use_mmx_vfilter && !(c->flags & SWS_ACCURATE_RND)) {
459 #if HAVE_MMXEXT_EXTERNAL
460  if (EXTERNAL_MMXEXT(cpu_flags))
461  c->yuv2planeX = yuv2yuvX_mmxext;
462 #endif
463 #if HAVE_SSE3_EXTERNAL
464  if (EXTERNAL_SSE3(cpu_flags))
465  c->yuv2planeX = yuv2yuvX_sse3;
466 #endif
467 #if HAVE_AVX2_EXTERNAL
468  if (EXTERNAL_AVX2_FAST(cpu_flags))
469  c->yuv2planeX = yuv2yuvX_avx2;
470 #endif
471  }
472 #if ARCH_X86_32 && !HAVE_ALIGNED_STACK
473  // The better yuv2planeX_8 functions need aligned stack on x86-32,
474  // so we use MMXEXT in this case if they are not available.
475  if (EXTERNAL_MMXEXT(cpu_flags)) {
476  if (c->dstBpc == 8 && !c->use_mmx_vfilter)
477  c->yuv2planeX = ff_yuv2planeX_8_mmxext;
478  }
479 #endif /* ARCH_X86_32 && !HAVE_ALIGNED_STACK */
480 
481 #define ASSIGN_SCALE_FUNC2(hscalefn, filtersize, opt1, opt2) do { \
482  if (c->srcBpc == 8) { \
483  hscalefn = c->dstBpc <= 14 ? ff_hscale8to15_ ## filtersize ## _ ## opt2 : \
484  ff_hscale8to19_ ## filtersize ## _ ## opt1; \
485  } else if (c->srcBpc == 9) { \
486  hscalefn = c->dstBpc <= 14 ? ff_hscale9to15_ ## filtersize ## _ ## opt2 : \
487  ff_hscale9to19_ ## filtersize ## _ ## opt1; \
488  } else if (c->srcBpc == 10) { \
489  hscalefn = c->dstBpc <= 14 ? ff_hscale10to15_ ## filtersize ## _ ## opt2 : \
490  ff_hscale10to19_ ## filtersize ## _ ## opt1; \
491  } else if (c->srcBpc == 12) { \
492  hscalefn = c->dstBpc <= 14 ? ff_hscale12to15_ ## filtersize ## _ ## opt2 : \
493  ff_hscale12to19_ ## filtersize ## _ ## opt1; \
494  } 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)) { \
495  hscalefn = c->dstBpc <= 14 ? ff_hscale14to15_ ## filtersize ## _ ## opt2 : \
496  ff_hscale14to19_ ## filtersize ## _ ## opt1; \
497  } else { /* c->srcBpc == 16 */ \
498  av_assert0(c->srcBpc == 16);\
499  hscalefn = c->dstBpc <= 14 ? ff_hscale16to15_ ## filtersize ## _ ## opt2 : \
500  ff_hscale16to19_ ## filtersize ## _ ## opt1; \
501  } \
502 } while (0)
503 #define ASSIGN_VSCALEX_FUNC(vscalefn, opt, do_16_case, condition_8bit) \
504 switch(c->dstBpc){ \
505  case 16: do_16_case; break; \
506  case 10: if (!isBE(c->dstFormat) && !isSemiPlanarYUV(c->dstFormat)) vscalefn = ff_yuv2planeX_10_ ## opt; break; \
507  case 9: if (!isBE(c->dstFormat)) vscalefn = ff_yuv2planeX_9_ ## opt; break; \
508  case 8: if ((condition_8bit) && !c->use_mmx_vfilter) vscalefn = ff_yuv2planeX_8_ ## opt; break; \
509  }
510 #define ASSIGN_VSCALE_FUNC(vscalefn, opt) \
511  switch(c->dstBpc){ \
512  case 16: if (!isBE(c->dstFormat)) vscalefn = ff_yuv2plane1_16_ ## opt; break; \
513  case 10: if (!isBE(c->dstFormat) && !isSemiPlanarYUV(c->dstFormat)) vscalefn = ff_yuv2plane1_10_ ## opt; break; \
514  case 9: if (!isBE(c->dstFormat)) vscalefn = ff_yuv2plane1_9_ ## opt; break; \
515  case 8: vscalefn = ff_yuv2plane1_8_ ## opt; break; \
516  default: av_assert0(c->dstBpc>8); \
517  }
518 #define case_rgb(x, X, opt) \
519  case AV_PIX_FMT_ ## X: \
520  c->lumToYV12 = ff_ ## x ## ToY_ ## opt; \
521  if (!c->chrSrcHSubSample) \
522  c->chrToYV12 = ff_ ## x ## ToUV_ ## opt; \
523  break
524 #define ASSIGN_SSE_SCALE_FUNC(hscalefn, filtersize, opt1, opt2) \
525  switch (filtersize) { \
526  case 4: ASSIGN_SCALE_FUNC2(hscalefn, 4, opt1, opt2); break; \
527  case 8: ASSIGN_SCALE_FUNC2(hscalefn, 8, opt1, opt2); break; \
528  default: if (filtersize & 4) ASSIGN_SCALE_FUNC2(hscalefn, X4, opt1, opt2); \
529  else ASSIGN_SCALE_FUNC2(hscalefn, X8, opt1, opt2); \
530  break; \
531  }
532  if (EXTERNAL_SSE2(cpu_flags)) {
533  ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, sse2, sse2);
534  ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, sse2, sse2);
535  ASSIGN_VSCALEX_FUNC(c->yuv2planeX, sse2, ,
536  HAVE_ALIGNED_STACK || ARCH_X86_64);
537  if (!(c->flags & SWS_ACCURATE_RND))
538  ASSIGN_VSCALE_FUNC(c->yuv2plane1, sse2);
539 
540  switch (c->srcFormat) {
541  case AV_PIX_FMT_YA8:
542  c->lumToYV12 = ff_yuyvToY_sse2;
543  if (c->needAlpha)
544  c->alpToYV12 = ff_uyvyToY_sse2;
545  break;
546  case AV_PIX_FMT_YUYV422:
547  c->lumToYV12 = ff_yuyvToY_sse2;
548  c->chrToYV12 = ff_yuyvToUV_sse2;
549  break;
550  case AV_PIX_FMT_UYVY422:
551  c->lumToYV12 = ff_uyvyToY_sse2;
552  c->chrToYV12 = ff_uyvyToUV_sse2;
553  break;
554  case AV_PIX_FMT_NV12:
555  c->chrToYV12 = ff_nv12ToUV_sse2;
556  break;
557  case AV_PIX_FMT_NV21:
558  c->chrToYV12 = ff_nv21ToUV_sse2;
559  break;
560  case_rgb(rgb24, RGB24, sse2);
561  case_rgb(bgr24, BGR24, sse2);
562  case_rgb(bgra, BGRA, sse2);
563  case_rgb(rgba, RGBA, sse2);
564  case_rgb(abgr, ABGR, sse2);
565  case_rgb(argb, ARGB, sse2);
566  default:
567  break;
568  }
569  }
570  if (EXTERNAL_SSSE3(cpu_flags)) {
571  ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, ssse3, ssse3);
572  ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, ssse3, ssse3);
573  switch (c->srcFormat) {
574  case_rgb(rgb24, RGB24, ssse3);
575  case_rgb(bgr24, BGR24, ssse3);
576  default:
577  break;
578  }
579  }
580  if (EXTERNAL_SSE4(cpu_flags)) {
581  /* Xto15 don't need special sse4 functions */
582  ASSIGN_SSE_SCALE_FUNC(c->hyScale, c->hLumFilterSize, sse4, ssse3);
583  ASSIGN_SSE_SCALE_FUNC(c->hcScale, c->hChrFilterSize, sse4, ssse3);
584  ASSIGN_VSCALEX_FUNC(c->yuv2planeX, sse4,
585  if (!isBE(c->dstFormat)) c->yuv2planeX = ff_yuv2planeX_16_sse4,
586  HAVE_ALIGNED_STACK || ARCH_X86_64);
587  if (c->dstBpc == 16 && !isBE(c->dstFormat) && !(c->flags & SWS_ACCURATE_RND))
588  c->yuv2plane1 = ff_yuv2plane1_16_sse4;
589  }
590 
591  if (EXTERNAL_AVX(cpu_flags)) {
592  ASSIGN_VSCALEX_FUNC(c->yuv2planeX, avx, ,
593  HAVE_ALIGNED_STACK || ARCH_X86_64);
594  if (!(c->flags & SWS_ACCURATE_RND))
595  ASSIGN_VSCALE_FUNC(c->yuv2plane1, avx);
596 
597  switch (c->srcFormat) {
598  case AV_PIX_FMT_YUYV422:
599  c->chrToYV12 = ff_yuyvToUV_avx;
600  break;
601  case AV_PIX_FMT_UYVY422:
602  c->chrToYV12 = ff_uyvyToUV_avx;
603  break;
604  case AV_PIX_FMT_NV12:
605  c->chrToYV12 = ff_nv12ToUV_avx;
606  break;
607  case AV_PIX_FMT_NV21:
608  c->chrToYV12 = ff_nv21ToUV_avx;
609  break;
610  case_rgb(rgb24, RGB24, avx);
611  case_rgb(bgr24, BGR24, avx);
612  case_rgb(bgra, BGRA, avx);
613  case_rgb(rgba, RGBA, avx);
614  case_rgb(abgr, ABGR, avx);
615  case_rgb(argb, ARGB, avx);
616  default:
617  break;
618  }
619  }
620 
621 #if ARCH_X86_64
622 #define ASSIGN_AVX2_SCALE_FUNC(hscalefn, filtersize) \
623  switch (filtersize) { \
624  case 4: hscalefn = ff_hscale8to15_4_avx2; break; \
625  default: hscalefn = ff_hscale8to15_X4_avx2; break; \
626  break; \
627  }
628 
629  if (EXTERNAL_AVX2_FAST(cpu_flags) && !(cpu_flags & AV_CPU_FLAG_SLOW_GATHER)) {
630  if ((c->srcBpc == 8) && (c->dstBpc <= 14)) {
631  if (c->chrDstW % 16 == 0)
632  ASSIGN_AVX2_SCALE_FUNC(c->hcScale, c->hChrFilterSize);
633  if (c->dstW % 16 == 0)
634  ASSIGN_AVX2_SCALE_FUNC(c->hyScale, c->hLumFilterSize);
635  }
636  }
637 
638  if (EXTERNAL_AVX2_FAST(cpu_flags)) {
639  switch (c->dstFormat) {
640  case AV_PIX_FMT_NV12:
641  case AV_PIX_FMT_NV24:
642  c->yuv2nv12cX = ff_yuv2nv12cX_avx2;
643  break;
644  case AV_PIX_FMT_NV21:
645  case AV_PIX_FMT_NV42:
646  c->yuv2nv12cX = ff_yuv2nv21cX_avx2;
647  break;
648  default:
649  break;
650  }
651  }
652 
653 
654 #define INPUT_PLANER_RGB_A_FUNC_CASE(fmt, name, opt) \
655  case fmt: \
656  c->readAlpPlanar = ff_planar_##name##_to_a_##opt;
657 
658 #define INPUT_PLANER_RGBA_YUV_FUNC_CASE(rgb_fmt, rgba_fmt, name, opt) \
659  case rgba_fmt: \
660  case rgb_fmt: \
661  c->readLumPlanar = ff_planar_##name##_to_y_##opt; \
662  c->readChrPlanar = ff_planar_##name##_to_uv_##opt; \
663  break;
664 
665 #define INPUT_PLANER_RGB_YUV_FUNC_CASE(fmt, name, opt) \
666  case fmt: \
667  c->readLumPlanar = ff_planar_##name##_to_y_##opt; \
668  c->readChrPlanar = ff_planar_##name##_to_uv_##opt; \
669  break;
670 
671 #define INPUT_PLANER_RGB_UV_FUNC_CASE(fmt, name, opt) \
672  case fmt: \
673  c->readChrPlanar = ff_planar_##name##_to_uv_##opt; \
674  break;
675 
676 #define INPUT_PLANER_RGBAXX_YUVA_FUNC_CASE(rgb_fmt, rgba_fmt, name, opt) \
677  INPUT_PLANER_RGB_A_FUNC_CASE(rgba_fmt##LE, name##le, opt) \
678  INPUT_PLANER_RGB_YUV_FUNC_CASE(rgb_fmt##LE, name##le, opt) \
679  INPUT_PLANER_RGB_A_FUNC_CASE(rgba_fmt##BE, name##be, opt) \
680  INPUT_PLANER_RGB_YUV_FUNC_CASE(rgb_fmt##BE, name##be, opt)
681 
682 #define INPUT_PLANER_RGBAXX_UVA_FUNC_CASE(rgb_fmt, rgba_fmt, name, opt) \
683  INPUT_PLANER_RGB_A_FUNC_CASE(rgba_fmt##LE, name##le, opt) \
684  INPUT_PLANER_RGB_UV_FUNC_CASE(rgb_fmt##LE, name##le, opt) \
685  INPUT_PLANER_RGB_A_FUNC_CASE(rgba_fmt##BE, name##be, opt) \
686  INPUT_PLANER_RGB_UV_FUNC_CASE(rgb_fmt##BE, name##be, opt)
687 
688 #define INPUT_PLANER_RGBAXX_YUV_FUNC_CASE(rgb_fmt, rgba_fmt, name, opt) \
689  INPUT_PLANER_RGBA_YUV_FUNC_CASE(rgb_fmt##LE, rgba_fmt##LE, name##le, opt) \
690  INPUT_PLANER_RGBA_YUV_FUNC_CASE(rgb_fmt##BE, rgba_fmt##BE, name##be, opt)
691 
692 #define INPUT_PLANER_RGBXX_YUV_FUNC_CASE(rgb_fmt, name, opt) \
693  INPUT_PLANER_RGB_YUV_FUNC_CASE(rgb_fmt##LE, name##le, opt) \
694  INPUT_PLANER_RGB_YUV_FUNC_CASE(rgb_fmt##BE, name##be, opt)
695 
696 #define INPUT_PLANER_RGBXX_UV_FUNC_CASE(rgb_fmt, name, opt) \
697  INPUT_PLANER_RGB_UV_FUNC_CASE(rgb_fmt##LE, name##le, opt) \
698  INPUT_PLANER_RGB_UV_FUNC_CASE(rgb_fmt##BE, name##be, opt)
699 
700 #define INPUT_PLANER_RGB_YUVA_ALL_CASES(opt) \
701  INPUT_PLANER_RGB_A_FUNC_CASE( AV_PIX_FMT_GBRAP, rgb, opt) \
702  INPUT_PLANER_RGB_YUV_FUNC_CASE( AV_PIX_FMT_GBRP, rgb, opt) \
703  INPUT_PLANER_RGBXX_YUV_FUNC_CASE( AV_PIX_FMT_GBRP9, rgb9, opt) \
704  INPUT_PLANER_RGBAXX_YUVA_FUNC_CASE(AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRAP10, rgb10, opt) \
705  INPUT_PLANER_RGBAXX_YUVA_FUNC_CASE(AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRAP12, rgb12, opt) \
706  INPUT_PLANER_RGBXX_YUV_FUNC_CASE( AV_PIX_FMT_GBRP14, rgb14, opt) \
707  INPUT_PLANER_RGBAXX_YUVA_FUNC_CASE(AV_PIX_FMT_GBRP16, AV_PIX_FMT_GBRAP16, rgb16, opt) \
708  INPUT_PLANER_RGBAXX_YUVA_FUNC_CASE(AV_PIX_FMT_GBRPF32, AV_PIX_FMT_GBRAPF32, rgbf32, opt)
709 
710 
711  if (EXTERNAL_SSE2(cpu_flags)) {
712  switch (c->srcFormat) {
713  INPUT_PLANER_RGB_A_FUNC_CASE( AV_PIX_FMT_GBRAP, rgb, sse2);
714  INPUT_PLANER_RGB_UV_FUNC_CASE( AV_PIX_FMT_GBRP, rgb, sse2);
715  INPUT_PLANER_RGBXX_UV_FUNC_CASE( AV_PIX_FMT_GBRP9, rgb9, sse2);
716  INPUT_PLANER_RGBAXX_UVA_FUNC_CASE( AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRAP10, rgb10, sse2);
717  INPUT_PLANER_RGBAXX_UVA_FUNC_CASE( AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRAP12, rgb12, sse2);
718  INPUT_PLANER_RGBXX_UV_FUNC_CASE( AV_PIX_FMT_GBRP14, rgb14, sse2);
719  INPUT_PLANER_RGBAXX_UVA_FUNC_CASE( AV_PIX_FMT_GBRP16, AV_PIX_FMT_GBRAP16, rgb16, sse2);
720  INPUT_PLANER_RGBAXX_YUVA_FUNC_CASE(AV_PIX_FMT_GBRPF32, AV_PIX_FMT_GBRAPF32, rgbf32, sse2);
721  default:
722  break;
723  }
724  }
725 
726  if (EXTERNAL_SSE4(cpu_flags)) {
727  switch (c->srcFormat) {
728  case AV_PIX_FMT_GBRAP:
729  INPUT_PLANER_RGB_YUV_FUNC_CASE( AV_PIX_FMT_GBRP, rgb, sse4);
730  INPUT_PLANER_RGBXX_YUV_FUNC_CASE( AV_PIX_FMT_GBRP9, rgb9, sse4);
731  INPUT_PLANER_RGBAXX_YUV_FUNC_CASE( AV_PIX_FMT_GBRP10, AV_PIX_FMT_GBRAP10, rgb10, sse4);
732  INPUT_PLANER_RGBAXX_YUV_FUNC_CASE( AV_PIX_FMT_GBRP12, AV_PIX_FMT_GBRAP12, rgb12, sse4);
733  INPUT_PLANER_RGBXX_YUV_FUNC_CASE( AV_PIX_FMT_GBRP14, rgb14, sse4);
734  INPUT_PLANER_RGBAXX_YUV_FUNC_CASE( AV_PIX_FMT_GBRP16, AV_PIX_FMT_GBRAP16, rgb16, sse4);
735  INPUT_PLANER_RGBAXX_YUVA_FUNC_CASE(AV_PIX_FMT_GBRPF32, AV_PIX_FMT_GBRAPF32, rgbf32, sse4);
736  default:
737  break;
738  }
739  }
740 
741  if (EXTERNAL_AVX2_FAST(cpu_flags)) {
742  switch (c->srcFormat) {
743  INPUT_PLANER_RGB_YUVA_ALL_CASES(avx2)
744  default:
745  break;
746  }
747  }
748 
749  if(c->flags & SWS_FULL_CHR_H_INT) {
750 
751  /* yuv2gbrp uses the SwsContext for yuv coefficients
752  if struct offsets change the asm needs to be updated too */
753  av_assert0(offsetof(SwsContext, yuv2rgb_y_offset) == 40292);
754 
755 #define YUV2ANYX_FUNC_CASE(fmt, name, opt) \
756  case fmt: \
757  c->yuv2anyX = ff_yuv2##name##_full_X_##opt; \
758  break;
759 
760 #define YUV2ANYX_GBRAP_CASES(opt) \
761  YUV2ANYX_FUNC_CASE(AV_PIX_FMT_GBRP, gbrp, opt) \
762  YUV2ANYX_FUNC_CASE(AV_PIX_FMT_GBRAP, gbrap, opt) \
763  YUV2ANYX_FUNC_CASE(AV_PIX_FMT_GBRP9LE, gbrp9le, opt) \
764  YUV2ANYX_FUNC_CASE(AV_PIX_FMT_GBRP10LE, gbrp10le, opt) \
765  YUV2ANYX_FUNC_CASE(AV_PIX_FMT_GBRAP10LE, gbrap10le, opt) \
766  YUV2ANYX_FUNC_CASE(AV_PIX_FMT_GBRP12LE, gbrp12le, opt) \
767  YUV2ANYX_FUNC_CASE(AV_PIX_FMT_GBRAP12LE, gbrap12le, opt) \
768  YUV2ANYX_FUNC_CASE(AV_PIX_FMT_GBRP14LE, gbrp14le, opt) \
769  YUV2ANYX_FUNC_CASE(AV_PIX_FMT_GBRP16LE, gbrp16le, opt) \
770  YUV2ANYX_FUNC_CASE(AV_PIX_FMT_GBRAP16LE, gbrap16le, opt) \
771  YUV2ANYX_FUNC_CASE(AV_PIX_FMT_GBRPF32LE, gbrpf32le, opt) \
772  YUV2ANYX_FUNC_CASE(AV_PIX_FMT_GBRAPF32LE, gbrapf32le, opt) \
773  YUV2ANYX_FUNC_CASE(AV_PIX_FMT_GBRP9BE, gbrp9be, opt) \
774  YUV2ANYX_FUNC_CASE(AV_PIX_FMT_GBRP10BE, gbrp10be, opt) \
775  YUV2ANYX_FUNC_CASE(AV_PIX_FMT_GBRAP10BE, gbrap10be, opt) \
776  YUV2ANYX_FUNC_CASE(AV_PIX_FMT_GBRP12BE, gbrp12be, opt) \
777  YUV2ANYX_FUNC_CASE(AV_PIX_FMT_GBRAP12BE, gbrap12be, opt) \
778  YUV2ANYX_FUNC_CASE(AV_PIX_FMT_GBRP14BE, gbrp14be, opt) \
779  YUV2ANYX_FUNC_CASE(AV_PIX_FMT_GBRP16BE, gbrp16be, opt) \
780  YUV2ANYX_FUNC_CASE(AV_PIX_FMT_GBRAP16BE, gbrap16be, opt) \
781  YUV2ANYX_FUNC_CASE(AV_PIX_FMT_GBRPF32BE, gbrpf32be, opt) \
782  YUV2ANYX_FUNC_CASE(AV_PIX_FMT_GBRAPF32BE, gbrapf32be, opt)
783 
784  if (EXTERNAL_SSE2(cpu_flags)) {
785  switch (c->dstFormat) {
786  YUV2ANYX_GBRAP_CASES(sse2)
787  default:
788  break;
789  }
790  }
791 
792  if (EXTERNAL_SSE4(cpu_flags)) {
793  switch (c->dstFormat) {
794  YUV2ANYX_GBRAP_CASES(sse4)
795  default:
796  break;
797  }
798  }
799 
800  if (EXTERNAL_AVX2_FAST(cpu_flags)) {
801  switch (c->dstFormat) {
802  YUV2ANYX_GBRAP_CASES(avx2)
803  default:
804  break;
805  }
806  }
807  }
808 
809 #endif
810 }
SwsContext::vLumFilterSize
int vLumFilterSize
Vertical filter size for luma/alpha pixels.
Definition: swscale_internal.h:417
AV_PIX_FMT_GBRAP16
#define AV_PIX_FMT_GBRAP16
Definition: pixfmt.h:433
APCK_PTR2
#define APCK_PTR2
Definition: swscale_internal.h:59
cpu.h
SwsPlane::line
uint8_t ** line
line buffer
Definition: swscale_internal.h:1059
AV_PIX_FMT_YA8
@ AV_PIX_FMT_YA8
8 bits gray, 8 bits alpha
Definition: pixfmt.h:133
mem_internal.h
DECLARE_ASM_CONST
#define DECLARE_ASM_CONST(n, t, v)
Definition: mem.h:118
SwsContext::dstY
int dstY
Last destination vertical line output from last slice.
Definition: swscale_internal.h:429
av_unused
#define av_unused
Definition: attributes.h:131
EXTERNAL_AVX2_FAST
#define EXTERNAL_AVX2_FAST(flags)
Definition: cpu.h:79
pixdesc.h
SwsContext::vChrFilter
int16_t * vChrFilter
Array of vertical filter coefficients for chroma planes.
Definition: swscale_internal.h:410
SwsContext::lumMmxFilter
int32_t lumMmxFilter[4 *MAX_FILTER_SIZE]
Definition: swscale_internal.h:511
SwsContext::vLumFilter
int16_t * vLumFilter
Array of vertical filter coefficients for luma/alpha planes.
Definition: swscale_internal.h:409
av_get_cpu_flags
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
Definition: cpu.c:101
DECLARE_ASM_ALIGNED
#define DECLARE_ASM_ALIGNED(n, t, v)
Definition: mem.h:117
cpu_flags
static atomic_int cpu_flags
Definition: cpu.c:52
INPUT_FUNCS
#define INPUT_FUNCS(opt)
Definition: swscale.c:312
rgb
Definition: rpzaenc.c:59
AV_PIX_FMT_GBRP14
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:429
AV_PIX_FMT_GBRAP
@ AV_PIX_FMT_GBRAP
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:205
AV_PIX_FMT_GBRP10
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:427
AV_CPU_FLAG_SLOW_GATHER
#define AV_CPU_FLAG_SLOW_GATHER
CPU has slow gathers.
Definition: cpu.h:58
avassert.h
av_cold
#define av_cold
Definition: attributes.h:90
AV_PIX_FMT_GBRAP10
#define AV_PIX_FMT_GBRAP10
Definition: pixfmt.h:431
intreadwrite.h
s
#define s(width, name)
Definition: cbs_vp9.c:256
AV_PIX_FMT_GBRAP12
#define AV_PIX_FMT_GBRAP12
Definition: pixfmt.h:432
av_assert0
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
APCK_COEF
#define APCK_COEF
Definition: swscale_internal.h:60
SwsPlane::tmp
uint8_t ** tmp
Tmp line buffer used by mmx code.
Definition: swscale_internal.h:1060
SCALE_FUNC
#define SCALE_FUNC(filter_n, from_bpc, to_bpc, opt)
Definition: swscale.c:232
VSCALE_FUNCS
#define VSCALE_FUNCS(opt1, opt2)
Definition: swscale.c:289
SwsContext::vLumFilterPos
int32_t * vLumFilterPos
Array of vertical filter starting positions for each dst[i] for luma/alpha planes.
Definition: swscale_internal.h:413
SwsContext::yuv2rgb_y_offset
int yuv2rgb_y_offset
Definition: swscale_internal.h:466
if
if(ret)
Definition: filter_design.txt:179
VSCALEX_FUNC
#define VSCALEX_FUNC(size, opt)
Definition: swscale.c:271
AV_PIX_FMT_GBRP16
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:430
NULL
#define NULL
Definition: coverity.c:32
ASSIGN_SSE_SCALE_FUNC
#define ASSIGN_SSE_SCALE_FUNC(hscalefn, filtersize, opt1, opt2)
ff_sws_init_swscale_x86
av_cold void ff_sws_init_swscale_x86(SwsContext *c)
Definition: swscale.c:450
AV_PIX_FMT_YUYV422
@ AV_PIX_FMT_YUYV422
packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr
Definition: pixfmt.h:67
EXTERNAL_SSE3
#define EXTERNAL_SSE3(flags)
Definition: cpu.h:62
SwsPlane
Slice plane.
Definition: swscale_internal.h:1054
ASSIGN_VSCALEX_FUNC
#define ASSIGN_VSCALEX_FUNC(vscalefn, opt, do_16_case, condition_8bit)
SwsContext::alpMmxFilter
int32_t alpMmxFilter[4 *MAX_FILTER_SIZE]
Definition: swscale_internal.h:519
ASSIGN_VSCALE_FUNC
#define ASSIGN_VSCALE_FUNC(vscalefn, opt)
AV_PIX_FMT_GBRP9
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:426
c
Undefined Behavior In the C some operations are like signed integer dereferencing freed accessing outside allocated Undefined Behavior must not occur in a C it is not safe even if the output of undefined operations is unused The unsafety may seem nit picking but Optimizing compilers have in fact optimized code on the assumption that no undefined Behavior occurs Optimizing code based on wrong assumptions can and has in some cases lead to effects beyond the output of computations The signed integer overflow problem in speed critical code Code which is highly optimized and works with signed integers sometimes has the problem that often the output of the computation does not c
Definition: undefined.txt:32
SwsContext::vChrFilterPos
int32_t * vChrFilterPos
Array of vertical filter starting positions for each dst[i] for chroma planes.
Definition: swscale_internal.h:414
isBE
static av_always_inline int isBE(enum AVPixelFormat pix_fmt)
Definition: swscale_internal.h:715
cpu.h
for
for(k=2;k<=8;++k)
Definition: h264pred_template.c:425
SWS_FULL_CHR_H_INT
#define SWS_FULL_CHR_H_INT
Definition: swscale.h:86
AV_PIX_FMT_GBRPF32
#define AV_PIX_FMT_GBRPF32
Definition: pixfmt.h:440
AV_PIX_FMT_BGR555
#define AV_PIX_FMT_BGR555
Definition: pixfmt.h:404
attributes.h
SwsContext::vChrFilterSize
int vChrFilterSize
Vertical filter size for chroma pixels.
Definition: swscale_internal.h:418
EXTERNAL_SSE2
#define EXTERNAL_SSE2(flags)
Definition: cpu.h:59
SWS_ACCURATE_RND
#define SWS_ACCURATE_RND
Definition: swscale.h:90
DECLARE_ALIGNED
#define DECLARE_ALIGNED(n, t, v)
Definition: mem.h:116
i
#define i(width, name, range_min, range_max)
Definition: cbs_h2645.c:269
AV_PIX_FMT_GBRP12
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:428
AV_PIX_FMT_NV24
@ 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:340
AV_PIX_FMT_RGB555
#define AV_PIX_FMT_RGB555
Definition: pixfmt.h:399
swscale_internal.h
FFMIN
#define FFMIN(a, b)
Definition: macros.h:49
AV_PIX_FMT_NV21
@ AV_PIX_FMT_NV21
as above, but U and V bytes are swapped
Definition: pixfmt.h:90
AV_PIX_FMT_NV42
@ AV_PIX_FMT_NV42
as above, but U and V bytes are swapped
Definition: pixfmt.h:341
swscale_template.c
ff_dither8
const uint64_t ff_dither8[2]
Definition: swscale.c:37
AV_PIX_FMT_NV12
@ 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
EXTERNAL_AVX
#define EXTERNAL_AVX(flags)
Definition: cpu.h:70
AV_PIX_FMT_UYVY422
@ AV_PIX_FMT_UYVY422
packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1
Definition: pixfmt.h:81
EXTERNAL_SSE4
#define EXTERNAL_SSE4(flags)
Definition: cpu.h:68
U
#define U(x)
Definition: vpx_arith.h:37
AV_PIX_FMT_GBRAPF32
#define AV_PIX_FMT_GBRAPF32
Definition: pixfmt.h:441
YUV2YUVX_FUNC_MMX
#define YUV2YUVX_FUNC_MMX(opt, step)
Definition: swscale.c:184
INLINE_MMXEXT
#define INLINE_MMXEXT(flags)
Definition: cpu.h:88
SwsContext::chrMmxFilter
int32_t chrMmxFilter[4 *MAX_FILTER_SIZE]
Definition: swscale_internal.h:512
AV_PIX_FMT_GBRP
@ AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:158
SwsPlane::sliceY
int sliceY
index of first line
Definition: swscale_internal.h:1057
VSCALE_FUNC
#define VSCALE_FUNC(size, opt)
Definition: swscale.c:286
case_rgb
#define case_rgb(x, X, opt)
int32_t
int32_t
Definition: audioconvert.c:56
RGBA
#define RGBA(r, g, b, a)
Definition: dvbsubdec.c:41
flags
#define flags(name, subs,...)
Definition: cbs_av1.c:561
YUV2YUVX_FUNC
#define YUV2YUVX_FUNC(opt, step)
Definition: swscale.c:197
ff_updateMMXDitherTables
void ff_updateMMXDitherTables(SwsContext *c, int dstY)
EXTERNAL_SSSE3
#define EXTERNAL_SSSE3(flags)
Definition: cpu.h:65
SwsContext
Definition: swscale_internal.h:298
SCALE_FUNCS_SSE
#define SCALE_FUNCS_SSE(opt)
Definition: swscale.c:258
SwsContext::dstH
int dstH
Height of destination luma/alpha planes.
Definition: swscale_internal.h:322
APCK_SIZE
#define APCK_SIZE
Definition: swscale_internal.h:61
VSCALEX_FUNCS
#define VSCALEX_FUNCS(opt)
Definition: swscale.c:275
EXTERNAL_MMXEXT
#define EXTERNAL_MMXEXT(flags)
Definition: cpu.h:57
swscale.h
ff_dither4
const uint64_t ff_dither4[2]
Definition: swscale.c:33
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