FFmpeg  4.0
output.c
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1 /*
2  * Copyright (C) 2001-2012 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 <math.h>
22 #include <stdint.h>
23 #include <stdio.h>
24 #include <string.h>
25 
26 #include "libavutil/attributes.h"
27 #include "libavutil/avutil.h"
28 #include "libavutil/avassert.h"
29 #include "libavutil/bswap.h"
30 #include "libavutil/cpu.h"
31 #include "libavutil/intreadwrite.h"
32 #include "libavutil/mathematics.h"
33 #include "libavutil/pixdesc.h"
34 #include "config.h"
35 #include "rgb2rgb.h"
36 #include "swscale.h"
37 #include "swscale_internal.h"
38 
39 DECLARE_ALIGNED(8, const uint8_t, ff_dither_2x2_4)[][8] = {
40 { 1, 3, 1, 3, 1, 3, 1, 3, },
41 { 2, 0, 2, 0, 2, 0, 2, 0, },
42 { 1, 3, 1, 3, 1, 3, 1, 3, },
43 };
44 
45 DECLARE_ALIGNED(8, const uint8_t, ff_dither_2x2_8)[][8] = {
46 { 6, 2, 6, 2, 6, 2, 6, 2, },
47 { 0, 4, 0, 4, 0, 4, 0, 4, },
48 { 6, 2, 6, 2, 6, 2, 6, 2, },
49 };
50 
51 DECLARE_ALIGNED(8, const uint8_t, ff_dither_4x4_16)[][8] = {
52 { 8, 4, 11, 7, 8, 4, 11, 7, },
53 { 2, 14, 1, 13, 2, 14, 1, 13, },
54 { 10, 6, 9, 5, 10, 6, 9, 5, },
55 { 0, 12, 3, 15, 0, 12, 3, 15, },
56 { 8, 4, 11, 7, 8, 4, 11, 7, },
57 };
58 
59 DECLARE_ALIGNED(8, const uint8_t, ff_dither_8x8_32)[][8] = {
60 { 17, 9, 23, 15, 16, 8, 22, 14, },
61 { 5, 29, 3, 27, 4, 28, 2, 26, },
62 { 21, 13, 19, 11, 20, 12, 18, 10, },
63 { 0, 24, 6, 30, 1, 25, 7, 31, },
64 { 16, 8, 22, 14, 17, 9, 23, 15, },
65 { 4, 28, 2, 26, 5, 29, 3, 27, },
66 { 20, 12, 18, 10, 21, 13, 19, 11, },
67 { 1, 25, 7, 31, 0, 24, 6, 30, },
68 { 17, 9, 23, 15, 16, 8, 22, 14, },
69 };
70 
71 DECLARE_ALIGNED(8, const uint8_t, ff_dither_8x8_73)[][8] = {
72 { 0, 55, 14, 68, 3, 58, 17, 72, },
73 { 37, 18, 50, 32, 40, 22, 54, 35, },
74 { 9, 64, 5, 59, 13, 67, 8, 63, },
75 { 46, 27, 41, 23, 49, 31, 44, 26, },
76 { 2, 57, 16, 71, 1, 56, 15, 70, },
77 { 39, 21, 52, 34, 38, 19, 51, 33, },
78 { 11, 66, 7, 62, 10, 65, 6, 60, },
79 { 48, 30, 43, 25, 47, 29, 42, 24, },
80 { 0, 55, 14, 68, 3, 58, 17, 72, },
81 };
82 
83 #if 1
84 DECLARE_ALIGNED(8, const uint8_t, ff_dither_8x8_220)[][8] = {
85 {117, 62, 158, 103, 113, 58, 155, 100, },
86 { 34, 199, 21, 186, 31, 196, 17, 182, },
87 {144, 89, 131, 76, 141, 86, 127, 72, },
88 { 0, 165, 41, 206, 10, 175, 52, 217, },
89 {110, 55, 151, 96, 120, 65, 162, 107, },
90 { 28, 193, 14, 179, 38, 203, 24, 189, },
91 {138, 83, 124, 69, 148, 93, 134, 79, },
92 { 7, 172, 48, 213, 3, 168, 45, 210, },
93 {117, 62, 158, 103, 113, 58, 155, 100, },
94 };
95 #elif 1
96 // tries to correct a gamma of 1.5
97 DECLARE_ALIGNED(8, const uint8_t, ff_dither_8x8_220)[][8] = {
98 { 0, 143, 18, 200, 2, 156, 25, 215, },
99 { 78, 28, 125, 64, 89, 36, 138, 74, },
100 { 10, 180, 3, 161, 16, 195, 8, 175, },
101 {109, 51, 93, 38, 121, 60, 105, 47, },
102 { 1, 152, 23, 210, 0, 147, 20, 205, },
103 { 85, 33, 134, 71, 81, 30, 130, 67, },
104 { 14, 190, 6, 171, 12, 185, 5, 166, },
105 {117, 57, 101, 44, 113, 54, 97, 41, },
106 { 0, 143, 18, 200, 2, 156, 25, 215, },
107 };
108 #elif 1
109 // tries to correct a gamma of 2.0
110 DECLARE_ALIGNED(8, const uint8_t, ff_dither_8x8_220)[][8] = {
111 { 0, 124, 8, 193, 0, 140, 12, 213, },
112 { 55, 14, 104, 42, 66, 19, 119, 52, },
113 { 3, 168, 1, 145, 6, 187, 3, 162, },
114 { 86, 31, 70, 21, 99, 39, 82, 28, },
115 { 0, 134, 11, 206, 0, 129, 9, 200, },
116 { 62, 17, 114, 48, 58, 16, 109, 45, },
117 { 5, 181, 2, 157, 4, 175, 1, 151, },
118 { 95, 36, 78, 26, 90, 34, 74, 24, },
119 { 0, 124, 8, 193, 0, 140, 12, 213, },
120 };
121 #else
122 // tries to correct a gamma of 2.5
123 DECLARE_ALIGNED(8, const uint8_t, ff_dither_8x8_220)[][8] = {
124 { 0, 107, 3, 187, 0, 125, 6, 212, },
125 { 39, 7, 86, 28, 49, 11, 102, 36, },
126 { 1, 158, 0, 131, 3, 180, 1, 151, },
127 { 68, 19, 52, 12, 81, 25, 64, 17, },
128 { 0, 119, 5, 203, 0, 113, 4, 195, },
129 { 45, 9, 96, 33, 42, 8, 91, 30, },
130 { 2, 172, 1, 144, 2, 165, 0, 137, },
131 { 77, 23, 60, 15, 72, 21, 56, 14, },
132 { 0, 107, 3, 187, 0, 125, 6, 212, },
133 };
134 #endif
135 
136 #define output_pixel(pos, val, bias, signedness) \
137  if (big_endian) { \
138  AV_WB16(pos, bias + av_clip_ ## signedness ## 16(val >> shift)); \
139  } else { \
140  AV_WL16(pos, bias + av_clip_ ## signedness ## 16(val >> shift)); \
141  }
142 
143 static av_always_inline void
144 yuv2plane1_16_c_template(const int32_t *src, uint16_t *dest, int dstW,
145  int big_endian, int output_bits)
146 {
147  int i;
148  int shift = 3;
149  av_assert0(output_bits == 16);
150 
151  for (i = 0; i < dstW; i++) {
152  int val = src[i] + (1 << (shift - 1));
153  output_pixel(&dest[i], val, 0, uint);
154  }
155 }
156 
157 static av_always_inline void
158 yuv2planeX_16_c_template(const int16_t *filter, int filterSize,
159  const int32_t **src, uint16_t *dest, int dstW,
160  int big_endian, int output_bits)
161 {
162  int i;
163  int shift = 15;
164  av_assert0(output_bits == 16);
165 
166  for (i = 0; i < dstW; i++) {
167  int val = 1 << (shift - 1);
168  int j;
169 
170  /* range of val is [0,0x7FFFFFFF], so 31 bits, but with lanczos/spline
171  * filters (or anything with negative coeffs, the range can be slightly
172  * wider in both directions. To account for this overflow, we subtract
173  * a constant so it always fits in the signed range (assuming a
174  * reasonable filterSize), and re-add that at the end. */
175  val -= 0x40000000;
176  for (j = 0; j < filterSize; j++)
177  val += src[j][i] * (unsigned)filter[j];
178 
179  output_pixel(&dest[i], val, 0x8000, int);
180  }
181 }
182 
183 static void yuv2p016cX_c(SwsContext *c, const int16_t *chrFilter, int chrFilterSize,
184  const int16_t **chrUSrc, const int16_t **chrVSrc,
185  uint8_t *dest8, int chrDstW)
186 {
187  uint16_t *dest = (uint16_t*)dest8;
188  const int32_t **uSrc = (const int32_t **)chrUSrc;
189  const int32_t **vSrc = (const int32_t **)chrVSrc;
190  int shift = 15;
191  int big_endian = c->dstFormat == AV_PIX_FMT_P016BE;
192  int i, j;
193 
194  for (i = 0; i < chrDstW; i++) {
195  int u = 1 << (shift - 1);
196  int v = 1 << (shift - 1);
197 
198  /* See yuv2planeX_16_c_template for details. */
199  u -= 0x40000000;
200  v -= 0x40000000;
201  for (j = 0; j < chrFilterSize; j++) {
202  u += uSrc[j][i] * (unsigned)chrFilter[j];
203  v += vSrc[j][i] * (unsigned)chrFilter[j];
204  }
205 
206  output_pixel(&dest[2*i] , u, 0x8000, int);
207  output_pixel(&dest[2*i+1], v, 0x8000, int);
208  }
209 }
210 
211 #undef output_pixel
212 
213 #define output_pixel(pos, val) \
214  if (big_endian) { \
215  AV_WB16(pos, av_clip_uintp2(val >> shift, output_bits)); \
216  } else { \
217  AV_WL16(pos, av_clip_uintp2(val >> shift, output_bits)); \
218  }
219 
220 static av_always_inline void
221 yuv2plane1_10_c_template(const int16_t *src, uint16_t *dest, int dstW,
222  int big_endian, int output_bits)
223 {
224  int i;
225  int shift = 15 - output_bits;
226 
227  for (i = 0; i < dstW; i++) {
228  int val = src[i] + (1 << (shift - 1));
229  output_pixel(&dest[i], val);
230  }
231 }
232 
233 static av_always_inline void
234 yuv2planeX_10_c_template(const int16_t *filter, int filterSize,
235  const int16_t **src, uint16_t *dest, int dstW,
236  int big_endian, int output_bits)
237 {
238  int i;
239  int shift = 11 + 16 - output_bits;
240 
241  for (i = 0; i < dstW; i++) {
242  int val = 1 << (shift - 1);
243  int j;
244 
245  for (j = 0; j < filterSize; j++)
246  val += src[j][i] * filter[j];
247 
248  output_pixel(&dest[i], val);
249  }
250 }
251 
252 #undef output_pixel
253 
254 #define yuv2NBPS(bits, BE_LE, is_be, template_size, typeX_t) \
255 static void yuv2plane1_ ## bits ## BE_LE ## _c(const int16_t *src, \
256  uint8_t *dest, int dstW, \
257  const uint8_t *dither, int offset)\
258 { \
259  yuv2plane1_ ## template_size ## _c_template((const typeX_t *) src, \
260  (uint16_t *) dest, dstW, is_be, bits); \
261 }\
262 static void yuv2planeX_ ## bits ## BE_LE ## _c(const int16_t *filter, int filterSize, \
263  const int16_t **src, uint8_t *dest, int dstW, \
264  const uint8_t *dither, int offset)\
265 { \
266  yuv2planeX_## template_size ## _c_template(filter, \
267  filterSize, (const typeX_t **) src, \
268  (uint16_t *) dest, dstW, is_be, bits); \
269 }
270 yuv2NBPS( 9, BE, 1, 10, int16_t)
271 yuv2NBPS( 9, LE, 0, 10, int16_t)
272 yuv2NBPS(10, BE, 1, 10, int16_t)
273 yuv2NBPS(10, LE, 0, 10, int16_t)
274 yuv2NBPS(12, BE, 1, 10, int16_t)
275 yuv2NBPS(12, LE, 0, 10, int16_t)
276 yuv2NBPS(14, BE, 1, 10, int16_t)
277 yuv2NBPS(14, LE, 0, 10, int16_t)
278 yuv2NBPS(16, BE, 1, 16, int32_t)
279 yuv2NBPS(16, LE, 0, 16, int32_t)
280 
281 static void yuv2planeX_8_c(const int16_t *filter, int filterSize,
282  const int16_t **src, uint8_t *dest, int dstW,
283  const uint8_t *dither, int offset)
284 {
285  int i;
286  for (i=0; i<dstW; i++) {
287  int val = dither[(i + offset) & 7] << 12;
288  int j;
289  for (j=0; j<filterSize; j++)
290  val += src[j][i] * filter[j];
291 
292  dest[i]= av_clip_uint8(val>>19);
293  }
294 }
295 
296 static void yuv2plane1_8_c(const int16_t *src, uint8_t *dest, int dstW,
297  const uint8_t *dither, int offset)
298 {
299  int i;
300  for (i=0; i<dstW; i++) {
301  int val = (src[i] + dither[(i + offset) & 7]) >> 7;
302  dest[i]= av_clip_uint8(val);
303  }
304 }
305 
306 static void yuv2nv12cX_c(SwsContext *c, const int16_t *chrFilter, int chrFilterSize,
307  const int16_t **chrUSrc, const int16_t **chrVSrc,
308  uint8_t *dest, int chrDstW)
309 {
310  enum AVPixelFormat dstFormat = c->dstFormat;
311  const uint8_t *chrDither = c->chrDither8;
312  int i;
313 
314  if (dstFormat == AV_PIX_FMT_NV12)
315  for (i=0; i<chrDstW; i++) {
316  int u = chrDither[i & 7] << 12;
317  int v = chrDither[(i + 3) & 7] << 12;
318  int j;
319  for (j=0; j<chrFilterSize; j++) {
320  u += chrUSrc[j][i] * chrFilter[j];
321  v += chrVSrc[j][i] * chrFilter[j];
322  }
323 
324  dest[2*i]= av_clip_uint8(u>>19);
325  dest[2*i+1]= av_clip_uint8(v>>19);
326  }
327  else
328  for (i=0; i<chrDstW; i++) {
329  int u = chrDither[i & 7] << 12;
330  int v = chrDither[(i + 3) & 7] << 12;
331  int j;
332  for (j=0; j<chrFilterSize; j++) {
333  u += chrUSrc[j][i] * chrFilter[j];
334  v += chrVSrc[j][i] * chrFilter[j];
335  }
336 
337  dest[2*i]= av_clip_uint8(v>>19);
338  dest[2*i+1]= av_clip_uint8(u>>19);
339  }
340 }
341 
342 
343 #define output_pixel(pos, val) \
344  if (big_endian) { \
345  AV_WB16(pos, av_clip_uintp2(val >> shift, 10) << 6); \
346  } else { \
347  AV_WL16(pos, av_clip_uintp2(val >> shift, 10) << 6); \
348  }
349 
350 static void yuv2p010l1_c(const int16_t *src,
351  uint16_t *dest, int dstW,
352  int big_endian)
353 {
354  int i;
355  int shift = 5;
356 
357  for (i = 0; i < dstW; i++) {
358  int val = src[i] + (1 << (shift - 1));
359  output_pixel(&dest[i], val);
360  }
361 }
362 
363 static void yuv2p010lX_c(const int16_t *filter, int filterSize,
364  const int16_t **src, uint16_t *dest, int dstW,
365  int big_endian)
366 {
367  int i, j;
368  int shift = 17;
369 
370  for (i = 0; i < dstW; i++) {
371  int val = 1 << (shift - 1);
372 
373  for (j = 0; j < filterSize; j++)
374  val += src[j][i] * filter[j];
375 
376  output_pixel(&dest[i], val);
377  }
378 }
379 
380 static void yuv2p010cX_c(SwsContext *c, const int16_t *chrFilter, int chrFilterSize,
381  const int16_t **chrUSrc, const int16_t **chrVSrc,
382  uint8_t *dest8, int chrDstW)
383 {
384  uint16_t *dest = (uint16_t*)dest8;
385  int shift = 17;
386  int big_endian = c->dstFormat == AV_PIX_FMT_P010BE;
387  int i, j;
388 
389  for (i = 0; i < chrDstW; i++) {
390  int u = 1 << (shift - 1);
391  int v = 1 << (shift - 1);
392 
393  for (j = 0; j < chrFilterSize; j++) {
394  u += chrUSrc[j][i] * chrFilter[j];
395  v += chrVSrc[j][i] * chrFilter[j];
396  }
397 
398  output_pixel(&dest[2*i] , u);
399  output_pixel(&dest[2*i+1], v);
400  }
401 }
402 
403 static void yuv2p010l1_LE_c(const int16_t *src,
404  uint8_t *dest, int dstW,
405  const uint8_t *dither, int offset)
406 {
407  yuv2p010l1_c(src, (uint16_t*)dest, dstW, 0);
408 }
409 
410 static void yuv2p010l1_BE_c(const int16_t *src,
411  uint8_t *dest, int dstW,
412  const uint8_t *dither, int offset)
413 {
414  yuv2p010l1_c(src, (uint16_t*)dest, dstW, 1);
415 }
416 
417 static void yuv2p010lX_LE_c(const int16_t *filter, int filterSize,
418  const int16_t **src, uint8_t *dest, int dstW,
419  const uint8_t *dither, int offset)
420 {
421  yuv2p010lX_c(filter, filterSize, src, (uint16_t*)dest, dstW, 0);
422 }
423 
424 static void yuv2p010lX_BE_c(const int16_t *filter, int filterSize,
425  const int16_t **src, uint8_t *dest, int dstW,
426  const uint8_t *dither, int offset)
427 {
428  yuv2p010lX_c(filter, filterSize, src, (uint16_t*)dest, dstW, 1);
429 }
430 
431 #undef output_pixel
432 
433 
434 #define accumulate_bit(acc, val) \
435  acc <<= 1; \
436  acc |= (val) >= 234
437 #define output_pixel(pos, acc) \
438  if (target == AV_PIX_FMT_MONOBLACK) { \
439  pos = acc; \
440  } else { \
441  pos = ~acc; \
442  }
443 
444 static av_always_inline void
445 yuv2mono_X_c_template(SwsContext *c, const int16_t *lumFilter,
446  const int16_t **lumSrc, int lumFilterSize,
447  const int16_t *chrFilter, const int16_t **chrUSrc,
448  const int16_t **chrVSrc, int chrFilterSize,
449  const int16_t **alpSrc, uint8_t *dest, int dstW,
450  int y, enum AVPixelFormat target)
451 {
452  const uint8_t * const d128 = ff_dither_8x8_220[y&7];
453  int i;
454  unsigned acc = 0;
455  int err = 0;
456 
457  for (i = 0; i < dstW; i += 2) {
458  int j;
459  int Y1 = 1 << 18;
460  int Y2 = 1 << 18;
461 
462  for (j = 0; j < lumFilterSize; j++) {
463  Y1 += lumSrc[j][i] * lumFilter[j];
464  Y2 += lumSrc[j][i+1] * lumFilter[j];
465  }
466  Y1 >>= 19;
467  Y2 >>= 19;
468  if ((Y1 | Y2) & 0x100) {
469  Y1 = av_clip_uint8(Y1);
470  Y2 = av_clip_uint8(Y2);
471  }
472  if (c->dither == SWS_DITHER_ED) {
473  Y1 += (7*err + 1*c->dither_error[0][i] + 5*c->dither_error[0][i+1] + 3*c->dither_error[0][i+2] + 8 - 256)>>4;
474  c->dither_error[0][i] = err;
475  acc = 2*acc + (Y1 >= 128);
476  Y1 -= 220*(acc&1);
477 
478  err = Y2 + ((7*Y1 + 1*c->dither_error[0][i+1] + 5*c->dither_error[0][i+2] + 3*c->dither_error[0][i+3] + 8 - 256)>>4);
479  c->dither_error[0][i+1] = Y1;
480  acc = 2*acc + (err >= 128);
481  err -= 220*(acc&1);
482  } else {
483  accumulate_bit(acc, Y1 + d128[(i + 0) & 7]);
484  accumulate_bit(acc, Y2 + d128[(i + 1) & 7]);
485  }
486  if ((i & 7) == 6) {
487  output_pixel(*dest++, acc);
488  }
489  }
490  c->dither_error[0][i] = err;
491 
492  if (i & 6) {
493  output_pixel(*dest, acc);
494  }
495 }
496 
497 static av_always_inline void
498 yuv2mono_2_c_template(SwsContext *c, const int16_t *buf[2],
499  const int16_t *ubuf[2], const int16_t *vbuf[2],
500  const int16_t *abuf[2], uint8_t *dest, int dstW,
501  int yalpha, int uvalpha, int y,
502  enum AVPixelFormat target)
503 {
504  const int16_t *buf0 = buf[0], *buf1 = buf[1];
505  const uint8_t * const d128 = ff_dither_8x8_220[y & 7];
506  int yalpha1 = 4096 - yalpha;
507  int i;
508  av_assert2(yalpha <= 4096U);
509 
510  if (c->dither == SWS_DITHER_ED) {
511  int err = 0;
512  int acc = 0;
513  for (i = 0; i < dstW; i +=2) {
514  int Y;
515 
516  Y = (buf0[i + 0] * yalpha1 + buf1[i + 0] * yalpha) >> 19;
517  Y += (7*err + 1*c->dither_error[0][i] + 5*c->dither_error[0][i+1] + 3*c->dither_error[0][i+2] + 8 - 256)>>4;
518  c->dither_error[0][i] = err;
519  acc = 2*acc + (Y >= 128);
520  Y -= 220*(acc&1);
521 
522  err = (buf0[i + 1] * yalpha1 + buf1[i + 1] * yalpha) >> 19;
523  err += (7*Y + 1*c->dither_error[0][i+1] + 5*c->dither_error[0][i+2] + 3*c->dither_error[0][i+3] + 8 - 256)>>4;
524  c->dither_error[0][i+1] = Y;
525  acc = 2*acc + (err >= 128);
526  err -= 220*(acc&1);
527 
528  if ((i & 7) == 6)
529  output_pixel(*dest++, acc);
530  }
531  c->dither_error[0][i] = err;
532  } else {
533  for (i = 0; i < dstW; i += 8) {
534  int Y, acc = 0;
535 
536  Y = (buf0[i + 0] * yalpha1 + buf1[i + 0] * yalpha) >> 19;
537  accumulate_bit(acc, Y + d128[0]);
538  Y = (buf0[i + 1] * yalpha1 + buf1[i + 1] * yalpha) >> 19;
539  accumulate_bit(acc, Y + d128[1]);
540  Y = (buf0[i + 2] * yalpha1 + buf1[i + 2] * yalpha) >> 19;
541  accumulate_bit(acc, Y + d128[2]);
542  Y = (buf0[i + 3] * yalpha1 + buf1[i + 3] * yalpha) >> 19;
543  accumulate_bit(acc, Y + d128[3]);
544  Y = (buf0[i + 4] * yalpha1 + buf1[i + 4] * yalpha) >> 19;
545  accumulate_bit(acc, Y + d128[4]);
546  Y = (buf0[i + 5] * yalpha1 + buf1[i + 5] * yalpha) >> 19;
547  accumulate_bit(acc, Y + d128[5]);
548  Y = (buf0[i + 6] * yalpha1 + buf1[i + 6] * yalpha) >> 19;
549  accumulate_bit(acc, Y + d128[6]);
550  Y = (buf0[i + 7] * yalpha1 + buf1[i + 7] * yalpha) >> 19;
551  accumulate_bit(acc, Y + d128[7]);
552 
553  output_pixel(*dest++, acc);
554  }
555  }
556 }
557 
558 static av_always_inline void
559 yuv2mono_1_c_template(SwsContext *c, const int16_t *buf0,
560  const int16_t *ubuf[2], const int16_t *vbuf[2],
561  const int16_t *abuf0, uint8_t *dest, int dstW,
562  int uvalpha, int y, enum AVPixelFormat target)
563 {
564  const uint8_t * const d128 = ff_dither_8x8_220[y & 7];
565  int i;
566 
567  if (c->dither == SWS_DITHER_ED) {
568  int err = 0;
569  int acc = 0;
570  for (i = 0; i < dstW; i +=2) {
571  int Y;
572 
573  Y = ((buf0[i + 0] + 64) >> 7);
574  Y += (7*err + 1*c->dither_error[0][i] + 5*c->dither_error[0][i+1] + 3*c->dither_error[0][i+2] + 8 - 256)>>4;
575  c->dither_error[0][i] = err;
576  acc = 2*acc + (Y >= 128);
577  Y -= 220*(acc&1);
578 
579  err = ((buf0[i + 1] + 64) >> 7);
580  err += (7*Y + 1*c->dither_error[0][i+1] + 5*c->dither_error[0][i+2] + 3*c->dither_error[0][i+3] + 8 - 256)>>4;
581  c->dither_error[0][i+1] = Y;
582  acc = 2*acc + (err >= 128);
583  err -= 220*(acc&1);
584 
585  if ((i & 7) == 6)
586  output_pixel(*dest++, acc);
587  }
588  c->dither_error[0][i] = err;
589  } else {
590  for (i = 0; i < dstW; i += 8) {
591  int acc = 0;
592  accumulate_bit(acc, ((buf0[i + 0] + 64) >> 7) + d128[0]);
593  accumulate_bit(acc, ((buf0[i + 1] + 64) >> 7) + d128[1]);
594  accumulate_bit(acc, ((buf0[i + 2] + 64) >> 7) + d128[2]);
595  accumulate_bit(acc, ((buf0[i + 3] + 64) >> 7) + d128[3]);
596  accumulate_bit(acc, ((buf0[i + 4] + 64) >> 7) + d128[4]);
597  accumulate_bit(acc, ((buf0[i + 5] + 64) >> 7) + d128[5]);
598  accumulate_bit(acc, ((buf0[i + 6] + 64) >> 7) + d128[6]);
599  accumulate_bit(acc, ((buf0[i + 7] + 64) >> 7) + d128[7]);
600 
601  output_pixel(*dest++, acc);
602  }
603  }
604 }
605 
606 #undef output_pixel
607 #undef accumulate_bit
608 
609 #define YUV2PACKEDWRAPPER(name, base, ext, fmt) \
610 static void name ## ext ## _X_c(SwsContext *c, const int16_t *lumFilter, \
611  const int16_t **lumSrc, int lumFilterSize, \
612  const int16_t *chrFilter, const int16_t **chrUSrc, \
613  const int16_t **chrVSrc, int chrFilterSize, \
614  const int16_t **alpSrc, uint8_t *dest, int dstW, \
615  int y) \
616 { \
617  name ## base ## _X_c_template(c, lumFilter, lumSrc, lumFilterSize, \
618  chrFilter, chrUSrc, chrVSrc, chrFilterSize, \
619  alpSrc, dest, dstW, y, fmt); \
620 } \
621  \
622 static void name ## ext ## _2_c(SwsContext *c, const int16_t *buf[2], \
623  const int16_t *ubuf[2], const int16_t *vbuf[2], \
624  const int16_t *abuf[2], uint8_t *dest, int dstW, \
625  int yalpha, int uvalpha, int y) \
626 { \
627  name ## base ## _2_c_template(c, buf, ubuf, vbuf, abuf, \
628  dest, dstW, yalpha, uvalpha, y, fmt); \
629 } \
630  \
631 static void name ## ext ## _1_c(SwsContext *c, const int16_t *buf0, \
632  const int16_t *ubuf[2], const int16_t *vbuf[2], \
633  const int16_t *abuf0, uint8_t *dest, int dstW, \
634  int uvalpha, int y) \
635 { \
636  name ## base ## _1_c_template(c, buf0, ubuf, vbuf, \
637  abuf0, dest, dstW, uvalpha, \
638  y, fmt); \
639 }
640 
641 YUV2PACKEDWRAPPER(yuv2mono,, white, AV_PIX_FMT_MONOWHITE)
642 YUV2PACKEDWRAPPER(yuv2mono,, black, AV_PIX_FMT_MONOBLACK)
643 
644 #define output_pixels(pos, Y1, U, Y2, V) \
645  if (target == AV_PIX_FMT_YUYV422) { \
646  dest[pos + 0] = Y1; \
647  dest[pos + 1] = U; \
648  dest[pos + 2] = Y2; \
649  dest[pos + 3] = V; \
650  } else if (target == AV_PIX_FMT_YVYU422) { \
651  dest[pos + 0] = Y1; \
652  dest[pos + 1] = V; \
653  dest[pos + 2] = Y2; \
654  dest[pos + 3] = U; \
655  } else { /* AV_PIX_FMT_UYVY422 */ \
656  dest[pos + 0] = U; \
657  dest[pos + 1] = Y1; \
658  dest[pos + 2] = V; \
659  dest[pos + 3] = Y2; \
660  }
661 
662 static av_always_inline void
663 yuv2422_X_c_template(SwsContext *c, const int16_t *lumFilter,
664  const int16_t **lumSrc, int lumFilterSize,
665  const int16_t *chrFilter, const int16_t **chrUSrc,
666  const int16_t **chrVSrc, int chrFilterSize,
667  const int16_t **alpSrc, uint8_t *dest, int dstW,
668  int y, enum AVPixelFormat target)
669 {
670  int i;
671 
672  for (i = 0; i < ((dstW + 1) >> 1); i++) {
673  int j;
674  int Y1 = 1 << 18;
675  int Y2 = 1 << 18;
676  int U = 1 << 18;
677  int V = 1 << 18;
678 
679  for (j = 0; j < lumFilterSize; j++) {
680  Y1 += lumSrc[j][i * 2] * lumFilter[j];
681  Y2 += lumSrc[j][i * 2 + 1] * lumFilter[j];
682  }
683  for (j = 0; j < chrFilterSize; j++) {
684  U += chrUSrc[j][i] * chrFilter[j];
685  V += chrVSrc[j][i] * chrFilter[j];
686  }
687  Y1 >>= 19;
688  Y2 >>= 19;
689  U >>= 19;
690  V >>= 19;
691  if ((Y1 | Y2 | U | V) & 0x100) {
692  Y1 = av_clip_uint8(Y1);
693  Y2 = av_clip_uint8(Y2);
694  U = av_clip_uint8(U);
695  V = av_clip_uint8(V);
696  }
697  output_pixels(4*i, Y1, U, Y2, V);
698  }
699 }
700 
701 static av_always_inline void
702 yuv2422_2_c_template(SwsContext *c, const int16_t *buf[2],
703  const int16_t *ubuf[2], const int16_t *vbuf[2],
704  const int16_t *abuf[2], uint8_t *dest, int dstW,
705  int yalpha, int uvalpha, int y,
706  enum AVPixelFormat target)
707 {
708  const int16_t *buf0 = buf[0], *buf1 = buf[1],
709  *ubuf0 = ubuf[0], *ubuf1 = ubuf[1],
710  *vbuf0 = vbuf[0], *vbuf1 = vbuf[1];
711  int yalpha1 = 4096 - yalpha;
712  int uvalpha1 = 4096 - uvalpha;
713  int i;
714  av_assert2(yalpha <= 4096U);
715  av_assert2(uvalpha <= 4096U);
716 
717  for (i = 0; i < ((dstW + 1) >> 1); i++) {
718  int Y1 = (buf0[i * 2] * yalpha1 + buf1[i * 2] * yalpha) >> 19;
719  int Y2 = (buf0[i * 2 + 1] * yalpha1 + buf1[i * 2 + 1] * yalpha) >> 19;
720  int U = (ubuf0[i] * uvalpha1 + ubuf1[i] * uvalpha) >> 19;
721  int V = (vbuf0[i] * uvalpha1 + vbuf1[i] * uvalpha) >> 19;
722 
723  if ((Y1 | Y2 | U | V) & 0x100) {
724  Y1 = av_clip_uint8(Y1);
725  Y2 = av_clip_uint8(Y2);
726  U = av_clip_uint8(U);
727  V = av_clip_uint8(V);
728  }
729 
730  output_pixels(i * 4, Y1, U, Y2, V);
731  }
732 }
733 
734 static av_always_inline void
735 yuv2422_1_c_template(SwsContext *c, const int16_t *buf0,
736  const int16_t *ubuf[2], const int16_t *vbuf[2],
737  const int16_t *abuf0, uint8_t *dest, int dstW,
738  int uvalpha, int y, enum AVPixelFormat target)
739 {
740  const int16_t *ubuf0 = ubuf[0], *vbuf0 = vbuf[0];
741  int i;
742 
743  if (uvalpha < 2048) {
744  for (i = 0; i < ((dstW + 1) >> 1); i++) {
745  int Y1 = (buf0[i * 2 ]+64) >> 7;
746  int Y2 = (buf0[i * 2 + 1]+64) >> 7;
747  int U = (ubuf0[i] +64) >> 7;
748  int V = (vbuf0[i] +64) >> 7;
749 
750  if ((Y1 | Y2 | U | V) & 0x100) {
751  Y1 = av_clip_uint8(Y1);
752  Y2 = av_clip_uint8(Y2);
753  U = av_clip_uint8(U);
754  V = av_clip_uint8(V);
755  }
756 
757  Y1 = av_clip_uint8(Y1);
758  Y2 = av_clip_uint8(Y2);
759  U = av_clip_uint8(U);
760  V = av_clip_uint8(V);
761 
762  output_pixels(i * 4, Y1, U, Y2, V);
763  }
764  } else {
765  const int16_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];
766  for (i = 0; i < ((dstW + 1) >> 1); i++) {
767  int Y1 = (buf0[i * 2 ] + 64) >> 7;
768  int Y2 = (buf0[i * 2 + 1] + 64) >> 7;
769  int U = (ubuf0[i] + ubuf1[i]+128) >> 8;
770  int V = (vbuf0[i] + vbuf1[i]+128) >> 8;
771 
772  if ((Y1 | Y2 | U | V) & 0x100) {
773  Y1 = av_clip_uint8(Y1);
774  Y2 = av_clip_uint8(Y2);
775  U = av_clip_uint8(U);
776  V = av_clip_uint8(V);
777  }
778 
779  Y1 = av_clip_uint8(Y1);
780  Y2 = av_clip_uint8(Y2);
781  U = av_clip_uint8(U);
782  V = av_clip_uint8(V);
783 
784  output_pixels(i * 4, Y1, U, Y2, V);
785  }
786  }
787 }
788 
789 #undef output_pixels
790 
791 YUV2PACKEDWRAPPER(yuv2, 422, yuyv422, AV_PIX_FMT_YUYV422)
792 YUV2PACKEDWRAPPER(yuv2, 422, yvyu422, AV_PIX_FMT_YVYU422)
793 YUV2PACKEDWRAPPER(yuv2, 422, uyvy422, AV_PIX_FMT_UYVY422)
794 
795 #define R_B ((target == AV_PIX_FMT_RGB48LE || target == AV_PIX_FMT_RGB48BE || target == AV_PIX_FMT_RGBA64LE || target == AV_PIX_FMT_RGBA64BE) ? R : B)
796 #define B_R ((target == AV_PIX_FMT_RGB48LE || target == AV_PIX_FMT_RGB48BE || target == AV_PIX_FMT_RGBA64LE || target == AV_PIX_FMT_RGBA64BE) ? B : R)
797 #define output_pixel(pos, val) \
798  if (isBE(target)) { \
799  AV_WB16(pos, val); \
800  } else { \
801  AV_WL16(pos, val); \
802  }
803 
804 static av_always_inline void
805 yuv2rgba64_X_c_template(SwsContext *c, const int16_t *lumFilter,
806  const int32_t **lumSrc, int lumFilterSize,
807  const int16_t *chrFilter, const int32_t **chrUSrc,
808  const int32_t **chrVSrc, int chrFilterSize,
809  const int32_t **alpSrc, uint16_t *dest, int dstW,
810  int y, enum AVPixelFormat target, int hasAlpha, int eightbytes)
811 {
812  int i;
813  int A1 = 0xffff<<14, A2 = 0xffff<<14;
814 
815  for (i = 0; i < ((dstW + 1) >> 1); i++) {
816  int j;
817  int Y1 = -0x40000000;
818  int Y2 = -0x40000000;
819  int U = -(128 << 23); // 19
820  int V = -(128 << 23);
821  int R, G, B;
822 
823  for (j = 0; j < lumFilterSize; j++) {
824  Y1 += lumSrc[j][i * 2] * (unsigned)lumFilter[j];
825  Y2 += lumSrc[j][i * 2 + 1] * (unsigned)lumFilter[j];
826  }
827  for (j = 0; j < chrFilterSize; j++) {;
828  U += chrUSrc[j][i] * (unsigned)chrFilter[j];
829  V += chrVSrc[j][i] * (unsigned)chrFilter[j];
830  }
831 
832  if (hasAlpha) {
833  A1 = -0x40000000;
834  A2 = -0x40000000;
835  for (j = 0; j < lumFilterSize; j++) {
836  A1 += alpSrc[j][i * 2] * (unsigned)lumFilter[j];
837  A2 += alpSrc[j][i * 2 + 1] * (unsigned)lumFilter[j];
838  }
839  A1 >>= 1;
840  A1 += 0x20002000;
841  A2 >>= 1;
842  A2 += 0x20002000;
843  }
844 
845  // 8 bits: 12+15=27; 16 bits: 12+19=31
846  Y1 >>= 14; // 10
847  Y1 += 0x10000;
848  Y2 >>= 14;
849  Y2 += 0x10000;
850  U >>= 14;
851  V >>= 14;
852 
853  // 8 bits: 27 -> 17 bits, 16 bits: 31 - 14 = 17 bits
854  Y1 -= c->yuv2rgb_y_offset;
855  Y2 -= c->yuv2rgb_y_offset;
856  Y1 *= c->yuv2rgb_y_coeff;
857  Y2 *= c->yuv2rgb_y_coeff;
858  Y1 += 1 << 13; // 21
859  Y2 += 1 << 13;
860  // 8 bits: 17 + 13 bits = 30 bits, 16 bits: 17 + 13 bits = 30 bits
861 
862  R = V * c->yuv2rgb_v2r_coeff;
863  G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;
864  B = U * c->yuv2rgb_u2b_coeff;
865 
866  // 8 bits: 30 - 22 = 8 bits, 16 bits: 30 bits - 14 = 16 bits
867  output_pixel(&dest[0], av_clip_uintp2(R_B + Y1, 30) >> 14);
868  output_pixel(&dest[1], av_clip_uintp2( G + Y1, 30) >> 14);
869  output_pixel(&dest[2], av_clip_uintp2(B_R + Y1, 30) >> 14);
870  if (eightbytes) {
871  output_pixel(&dest[3], av_clip_uintp2(A1 , 30) >> 14);
872  output_pixel(&dest[4], av_clip_uintp2(R_B + Y2, 30) >> 14);
873  output_pixel(&dest[5], av_clip_uintp2( G + Y2, 30) >> 14);
874  output_pixel(&dest[6], av_clip_uintp2(B_R + Y2, 30) >> 14);
875  output_pixel(&dest[7], av_clip_uintp2(A2 , 30) >> 14);
876  dest += 8;
877  } else {
878  output_pixel(&dest[3], av_clip_uintp2(R_B + Y2, 30) >> 14);
879  output_pixel(&dest[4], av_clip_uintp2( G + Y2, 30) >> 14);
880  output_pixel(&dest[5], av_clip_uintp2(B_R + Y2, 30) >> 14);
881  dest += 6;
882  }
883  }
884 }
885 
886 static av_always_inline void
887 yuv2rgba64_2_c_template(SwsContext *c, const int32_t *buf[2],
888  const int32_t *ubuf[2], const int32_t *vbuf[2],
889  const int32_t *abuf[2], uint16_t *dest, int dstW,
890  int yalpha, int uvalpha, int y,
891  enum AVPixelFormat target, int hasAlpha, int eightbytes)
892 {
893  const int32_t *buf0 = buf[0], *buf1 = buf[1],
894  *ubuf0 = ubuf[0], *ubuf1 = ubuf[1],
895  *vbuf0 = vbuf[0], *vbuf1 = vbuf[1],
896  *abuf0 = hasAlpha ? abuf[0] : NULL,
897  *abuf1 = hasAlpha ? abuf[1] : NULL;
898  int yalpha1 = 4096 - yalpha;
899  int uvalpha1 = 4096 - uvalpha;
900  int i;
901  int A1 = 0xffff<<14, A2 = 0xffff<<14;
902 
903  av_assert2(yalpha <= 4096U);
904  av_assert2(uvalpha <= 4096U);
905 
906  for (i = 0; i < ((dstW + 1) >> 1); i++) {
907  int Y1 = (buf0[i * 2] * yalpha1 + buf1[i * 2] * yalpha) >> 14;
908  int Y2 = (buf0[i * 2 + 1] * yalpha1 + buf1[i * 2 + 1] * yalpha) >> 14;
909  int U = (ubuf0[i] * uvalpha1 + ubuf1[i] * uvalpha - (128 << 23)) >> 14;
910  int V = (vbuf0[i] * uvalpha1 + vbuf1[i] * uvalpha - (128 << 23)) >> 14;
911  int R, G, B;
912 
913  Y1 -= c->yuv2rgb_y_offset;
914  Y2 -= c->yuv2rgb_y_offset;
915  Y1 *= c->yuv2rgb_y_coeff;
916  Y2 *= c->yuv2rgb_y_coeff;
917  Y1 += 1 << 13;
918  Y2 += 1 << 13;
919 
920  R = V * c->yuv2rgb_v2r_coeff;
921  G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;
922  B = U * c->yuv2rgb_u2b_coeff;
923 
924  if (hasAlpha) {
925  A1 = (abuf0[i * 2 ] * yalpha1 + abuf1[i * 2 ] * yalpha) >> 1;
926  A2 = (abuf0[i * 2 + 1] * yalpha1 + abuf1[i * 2 + 1] * yalpha) >> 1;
927 
928  A1 += 1 << 13;
929  A2 += 1 << 13;
930  }
931 
932  output_pixel(&dest[0], av_clip_uintp2(R_B + Y1, 30) >> 14);
933  output_pixel(&dest[1], av_clip_uintp2( G + Y1, 30) >> 14);
934  output_pixel(&dest[2], av_clip_uintp2(B_R + Y1, 30) >> 14);
935  if (eightbytes) {
936  output_pixel(&dest[3], av_clip_uintp2(A1 , 30) >> 14);
937  output_pixel(&dest[4], av_clip_uintp2(R_B + Y2, 30) >> 14);
938  output_pixel(&dest[5], av_clip_uintp2( G + Y2, 30) >> 14);
939  output_pixel(&dest[6], av_clip_uintp2(B_R + Y2, 30) >> 14);
940  output_pixel(&dest[7], av_clip_uintp2(A2 , 30) >> 14);
941  dest += 8;
942  } else {
943  output_pixel(&dest[3], av_clip_uintp2(R_B + Y2, 30) >> 14);
944  output_pixel(&dest[4], av_clip_uintp2( G + Y2, 30) >> 14);
945  output_pixel(&dest[5], av_clip_uintp2(B_R + Y2, 30) >> 14);
946  dest += 6;
947  }
948  }
949 }
950 
951 static av_always_inline void
952 yuv2rgba64_1_c_template(SwsContext *c, const int32_t *buf0,
953  const int32_t *ubuf[2], const int32_t *vbuf[2],
954  const int32_t *abuf0, uint16_t *dest, int dstW,
955  int uvalpha, int y, enum AVPixelFormat target, int hasAlpha, int eightbytes)
956 {
957  const int32_t *ubuf0 = ubuf[0], *vbuf0 = vbuf[0];
958  int i;
959  int A1 = 0xffff<<14, A2= 0xffff<<14;
960 
961  if (uvalpha < 2048) {
962  for (i = 0; i < ((dstW + 1) >> 1); i++) {
963  int Y1 = (buf0[i * 2] ) >> 2;
964  int Y2 = (buf0[i * 2 + 1]) >> 2;
965  int U = (ubuf0[i] - (128 << 11)) >> 2;
966  int V = (vbuf0[i] - (128 << 11)) >> 2;
967  int R, G, B;
968 
969  Y1 -= c->yuv2rgb_y_offset;
970  Y2 -= c->yuv2rgb_y_offset;
971  Y1 *= c->yuv2rgb_y_coeff;
972  Y2 *= c->yuv2rgb_y_coeff;
973  Y1 += 1 << 13;
974  Y2 += 1 << 13;
975 
976  if (hasAlpha) {
977  A1 = abuf0[i * 2 ] << 11;
978  A2 = abuf0[i * 2 + 1] << 11;
979 
980  A1 += 1 << 13;
981  A2 += 1 << 13;
982  }
983 
984  R = V * c->yuv2rgb_v2r_coeff;
985  G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;
986  B = U * c->yuv2rgb_u2b_coeff;
987 
988  output_pixel(&dest[0], av_clip_uintp2(R_B + Y1, 30) >> 14);
989  output_pixel(&dest[1], av_clip_uintp2( G + Y1, 30) >> 14);
990  output_pixel(&dest[2], av_clip_uintp2(B_R + Y1, 30) >> 14);
991  if (eightbytes) {
992  output_pixel(&dest[3], av_clip_uintp2(A1 , 30) >> 14);
993  output_pixel(&dest[4], av_clip_uintp2(R_B + Y2, 30) >> 14);
994  output_pixel(&dest[5], av_clip_uintp2( G + Y2, 30) >> 14);
995  output_pixel(&dest[6], av_clip_uintp2(B_R + Y2, 30) >> 14);
996  output_pixel(&dest[7], av_clip_uintp2(A2 , 30) >> 14);
997  dest += 8;
998  } else {
999  output_pixel(&dest[3], av_clip_uintp2(R_B + Y2, 30) >> 14);
1000  output_pixel(&dest[4], av_clip_uintp2( G + Y2, 30) >> 14);
1001  output_pixel(&dest[5], av_clip_uintp2(B_R + Y2, 30) >> 14);
1002  dest += 6;
1003  }
1004  }
1005  } else {
1006  const int32_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];
1007  int A1 = 0xffff<<14, A2 = 0xffff<<14;
1008  for (i = 0; i < ((dstW + 1) >> 1); i++) {
1009  int Y1 = (buf0[i * 2] ) >> 2;
1010  int Y2 = (buf0[i * 2 + 1]) >> 2;
1011  int U = (ubuf0[i] + ubuf1[i] - (128 << 12)) >> 3;
1012  int V = (vbuf0[i] + vbuf1[i] - (128 << 12)) >> 3;
1013  int R, G, B;
1014 
1015  Y1 -= c->yuv2rgb_y_offset;
1016  Y2 -= c->yuv2rgb_y_offset;
1017  Y1 *= c->yuv2rgb_y_coeff;
1018  Y2 *= c->yuv2rgb_y_coeff;
1019  Y1 += 1 << 13;
1020  Y2 += 1 << 13;
1021 
1022  if (hasAlpha) {
1023  A1 = abuf0[i * 2 ] << 11;
1024  A2 = abuf0[i * 2 + 1] << 11;
1025 
1026  A1 += 1 << 13;
1027  A2 += 1 << 13;
1028  }
1029 
1030  R = V * c->yuv2rgb_v2r_coeff;
1031  G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;
1032  B = U * c->yuv2rgb_u2b_coeff;
1033 
1034  output_pixel(&dest[0], av_clip_uintp2(R_B + Y1, 30) >> 14);
1035  output_pixel(&dest[1], av_clip_uintp2( G + Y1, 30) >> 14);
1036  output_pixel(&dest[2], av_clip_uintp2(B_R + Y1, 30) >> 14);
1037  if (eightbytes) {
1038  output_pixel(&dest[3], av_clip_uintp2(A1 , 30) >> 14);
1039  output_pixel(&dest[4], av_clip_uintp2(R_B + Y2, 30) >> 14);
1040  output_pixel(&dest[5], av_clip_uintp2( G + Y2, 30) >> 14);
1041  output_pixel(&dest[6], av_clip_uintp2(B_R + Y2, 30) >> 14);
1042  output_pixel(&dest[7], av_clip_uintp2(A2 , 30) >> 14);
1043  dest += 8;
1044  } else {
1045  output_pixel(&dest[3], av_clip_uintp2(R_B + Y2, 30) >> 14);
1046  output_pixel(&dest[4], av_clip_uintp2( G + Y2, 30) >> 14);
1047  output_pixel(&dest[5], av_clip_uintp2(B_R + Y2, 30) >> 14);
1048  dest += 6;
1049  }
1050  }
1051  }
1052 }
1053 
1054 static av_always_inline void
1055 yuv2rgba64_full_X_c_template(SwsContext *c, const int16_t *lumFilter,
1056  const int32_t **lumSrc, int lumFilterSize,
1057  const int16_t *chrFilter, const int32_t **chrUSrc,
1058  const int32_t **chrVSrc, int chrFilterSize,
1059  const int32_t **alpSrc, uint16_t *dest, int dstW,
1060  int y, enum AVPixelFormat target, int hasAlpha, int eightbytes)
1061 {
1062  int i;
1063  int A = 0xffff<<14;
1064 
1065  for (i = 0; i < dstW; i++) {
1066  int j;
1067  int Y = -0x40000000;
1068  int U = -(128 << 23); // 19
1069  int V = -(128 << 23);
1070  int R, G, B;
1071 
1072  for (j = 0; j < lumFilterSize; j++) {
1073  Y += lumSrc[j][i] * (unsigned)lumFilter[j];
1074  }
1075  for (j = 0; j < chrFilterSize; j++) {;
1076  U += chrUSrc[j][i] * (unsigned)chrFilter[j];
1077  V += chrVSrc[j][i] * (unsigned)chrFilter[j];
1078  }
1079 
1080  if (hasAlpha) {
1081  A = -0x40000000;
1082  for (j = 0; j < lumFilterSize; j++) {
1083  A += alpSrc[j][i] * (unsigned)lumFilter[j];
1084  }
1085  A >>= 1;
1086  A += 0x20002000;
1087  }
1088 
1089  // 8bit: 12+15=27; 16-bit: 12+19=31
1090  Y >>= 14; // 10
1091  Y += 0x10000;
1092  U >>= 14;
1093  V >>= 14;
1094 
1095  // 8bit: 27 -> 17bit, 16bit: 31 - 14 = 17bit
1096  Y -= c->yuv2rgb_y_offset;
1097  Y *= c->yuv2rgb_y_coeff;
1098  Y += 1 << 13; // 21
1099  // 8bit: 17 + 13bit = 30bit, 16bit: 17 + 13bit = 30bit
1100 
1101  R = V * c->yuv2rgb_v2r_coeff;
1102  G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;
1103  B = U * c->yuv2rgb_u2b_coeff;
1104 
1105  // 8bit: 30 - 22 = 8bit, 16bit: 30bit - 14 = 16bit
1106  output_pixel(&dest[0], av_clip_uintp2(R_B + Y, 30) >> 14);
1107  output_pixel(&dest[1], av_clip_uintp2( G + Y, 30) >> 14);
1108  output_pixel(&dest[2], av_clip_uintp2(B_R + Y, 30) >> 14);
1109  if (eightbytes) {
1110  output_pixel(&dest[3], av_clip_uintp2(A, 30) >> 14);
1111  dest += 4;
1112  } else {
1113  dest += 3;
1114  }
1115  }
1116 }
1117 
1118 static av_always_inline void
1119 yuv2rgba64_full_2_c_template(SwsContext *c, const int32_t *buf[2],
1120  const int32_t *ubuf[2], const int32_t *vbuf[2],
1121  const int32_t *abuf[2], uint16_t *dest, int dstW,
1122  int yalpha, int uvalpha, int y,
1123  enum AVPixelFormat target, int hasAlpha, int eightbytes)
1124 {
1125  const int32_t *buf0 = buf[0], *buf1 = buf[1],
1126  *ubuf0 = ubuf[0], *ubuf1 = ubuf[1],
1127  *vbuf0 = vbuf[0], *vbuf1 = vbuf[1],
1128  *abuf0 = hasAlpha ? abuf[0] : NULL,
1129  *abuf1 = hasAlpha ? abuf[1] : NULL;
1130  int yalpha1 = 4096 - yalpha;
1131  int uvalpha1 = 4096 - uvalpha;
1132  int i;
1133  int A = 0xffff<<14;
1134 
1135  av_assert2(yalpha <= 4096U);
1136  av_assert2(uvalpha <= 4096U);
1137 
1138  for (i = 0; i < dstW; i++) {
1139  int Y = (buf0[i] * yalpha1 + buf1[i] * yalpha) >> 14;
1140  int U = (ubuf0[i] * uvalpha1 + ubuf1[i] * uvalpha - (128 << 23)) >> 14;
1141  int V = (vbuf0[i] * uvalpha1 + vbuf1[i] * uvalpha - (128 << 23)) >> 14;
1142  int R, G, B;
1143 
1144  Y -= c->yuv2rgb_y_offset;
1145  Y *= c->yuv2rgb_y_coeff;
1146  Y += 1 << 13;
1147 
1148  R = V * c->yuv2rgb_v2r_coeff;
1149  G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;
1150  B = U * c->yuv2rgb_u2b_coeff;
1151 
1152  if (hasAlpha) {
1153  A = (abuf0[i] * yalpha1 + abuf1[i] * yalpha) >> 1;
1154 
1155  A += 1 << 13;
1156  }
1157 
1158  output_pixel(&dest[0], av_clip_uintp2(R_B + Y, 30) >> 14);
1159  output_pixel(&dest[1], av_clip_uintp2( G + Y, 30) >> 14);
1160  output_pixel(&dest[2], av_clip_uintp2(B_R + Y, 30) >> 14);
1161  if (eightbytes) {
1162  output_pixel(&dest[3], av_clip_uintp2(A, 30) >> 14);
1163  dest += 4;
1164  } else {
1165  dest += 3;
1166  }
1167  }
1168 }
1169 
1170 static av_always_inline void
1171 yuv2rgba64_full_1_c_template(SwsContext *c, const int32_t *buf0,
1172  const int32_t *ubuf[2], const int32_t *vbuf[2],
1173  const int32_t *abuf0, uint16_t *dest, int dstW,
1174  int uvalpha, int y, enum AVPixelFormat target, int hasAlpha, int eightbytes)
1175 {
1176  const int32_t *ubuf0 = ubuf[0], *vbuf0 = vbuf[0];
1177  int i;
1178  int A = 0xffff<<14;
1179 
1180  if (uvalpha < 2048) {
1181  for (i = 0; i < dstW; i++) {
1182  int Y = (buf0[i]) >> 2;
1183  int U = (ubuf0[i] - (128 << 11)) >> 2;
1184  int V = (vbuf0[i] - (128 << 11)) >> 2;
1185  int R, G, B;
1186 
1187  Y -= c->yuv2rgb_y_offset;
1188  Y *= c->yuv2rgb_y_coeff;
1189  Y += 1 << 13;
1190 
1191  if (hasAlpha) {
1192  A = abuf0[i] << 11;
1193 
1194  A += 1 << 13;
1195  }
1196 
1197  R = V * c->yuv2rgb_v2r_coeff;
1198  G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;
1199  B = U * c->yuv2rgb_u2b_coeff;
1200 
1201  output_pixel(&dest[0], av_clip_uintp2(R_B + Y, 30) >> 14);
1202  output_pixel(&dest[1], av_clip_uintp2( G + Y, 30) >> 14);
1203  output_pixel(&dest[2], av_clip_uintp2(B_R + Y, 30) >> 14);
1204  if (eightbytes) {
1205  output_pixel(&dest[3], av_clip_uintp2(A, 30) >> 14);
1206  dest += 4;
1207  } else {
1208  dest += 3;
1209  }
1210  }
1211  } else {
1212  const int32_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];
1213  int A = 0xffff<<14;
1214  for (i = 0; i < dstW; i++) {
1215  int Y = (buf0[i] ) >> 2;
1216  int U = (ubuf0[i] + ubuf1[i] - (128 << 12)) >> 3;
1217  int V = (vbuf0[i] + vbuf1[i] - (128 << 12)) >> 3;
1218  int R, G, B;
1219 
1220  Y -= c->yuv2rgb_y_offset;
1221  Y *= c->yuv2rgb_y_coeff;
1222  Y += 1 << 13;
1223 
1224  if (hasAlpha) {
1225  A = abuf0[i] << 11;
1226 
1227  A += 1 << 13;
1228  }
1229 
1230  R = V * c->yuv2rgb_v2r_coeff;
1231  G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;
1232  B = U * c->yuv2rgb_u2b_coeff;
1233 
1234  output_pixel(&dest[0], av_clip_uintp2(R_B + Y, 30) >> 14);
1235  output_pixel(&dest[1], av_clip_uintp2( G + Y, 30) >> 14);
1236  output_pixel(&dest[2], av_clip_uintp2(B_R + Y, 30) >> 14);
1237  if (eightbytes) {
1238  output_pixel(&dest[3], av_clip_uintp2(A, 30) >> 14);
1239  dest += 4;
1240  } else {
1241  dest += 3;
1242  }
1243  }
1244  }
1245 }
1246 
1247 #undef output_pixel
1248 #undef r_b
1249 #undef b_r
1250 
1251 #define YUV2PACKED16WRAPPER(name, base, ext, fmt, hasAlpha, eightbytes) \
1252 static void name ## ext ## _X_c(SwsContext *c, const int16_t *lumFilter, \
1253  const int16_t **_lumSrc, int lumFilterSize, \
1254  const int16_t *chrFilter, const int16_t **_chrUSrc, \
1255  const int16_t **_chrVSrc, int chrFilterSize, \
1256  const int16_t **_alpSrc, uint8_t *_dest, int dstW, \
1257  int y) \
1258 { \
1259  const int32_t **lumSrc = (const int32_t **) _lumSrc, \
1260  **chrUSrc = (const int32_t **) _chrUSrc, \
1261  **chrVSrc = (const int32_t **) _chrVSrc, \
1262  **alpSrc = (const int32_t **) _alpSrc; \
1263  uint16_t *dest = (uint16_t *) _dest; \
1264  name ## base ## _X_c_template(c, lumFilter, lumSrc, lumFilterSize, \
1265  chrFilter, chrUSrc, chrVSrc, chrFilterSize, \
1266  alpSrc, dest, dstW, y, fmt, hasAlpha, eightbytes); \
1267 } \
1268  \
1269 static void name ## ext ## _2_c(SwsContext *c, const int16_t *_buf[2], \
1270  const int16_t *_ubuf[2], const int16_t *_vbuf[2], \
1271  const int16_t *_abuf[2], uint8_t *_dest, int dstW, \
1272  int yalpha, int uvalpha, int y) \
1273 { \
1274  const int32_t **buf = (const int32_t **) _buf, \
1275  **ubuf = (const int32_t **) _ubuf, \
1276  **vbuf = (const int32_t **) _vbuf, \
1277  **abuf = (const int32_t **) _abuf; \
1278  uint16_t *dest = (uint16_t *) _dest; \
1279  name ## base ## _2_c_template(c, buf, ubuf, vbuf, abuf, \
1280  dest, dstW, yalpha, uvalpha, y, fmt, hasAlpha, eightbytes); \
1281 } \
1282  \
1283 static void name ## ext ## _1_c(SwsContext *c, const int16_t *_buf0, \
1284  const int16_t *_ubuf[2], const int16_t *_vbuf[2], \
1285  const int16_t *_abuf0, uint8_t *_dest, int dstW, \
1286  int uvalpha, int y) \
1287 { \
1288  const int32_t *buf0 = (const int32_t *) _buf0, \
1289  **ubuf = (const int32_t **) _ubuf, \
1290  **vbuf = (const int32_t **) _vbuf, \
1291  *abuf0 = (const int32_t *) _abuf0; \
1292  uint16_t *dest = (uint16_t *) _dest; \
1293  name ## base ## _1_c_template(c, buf0, ubuf, vbuf, abuf0, dest, \
1294  dstW, uvalpha, y, fmt, hasAlpha, eightbytes); \
1295 }
1296 
1297 YUV2PACKED16WRAPPER(yuv2, rgba64, rgb48be, AV_PIX_FMT_RGB48BE, 0, 0)
1298 YUV2PACKED16WRAPPER(yuv2, rgba64, rgb48le, AV_PIX_FMT_RGB48LE, 0, 0)
1299 YUV2PACKED16WRAPPER(yuv2, rgba64, bgr48be, AV_PIX_FMT_BGR48BE, 0, 0)
1300 YUV2PACKED16WRAPPER(yuv2, rgba64, bgr48le, AV_PIX_FMT_BGR48LE, 0, 0)
1301 YUV2PACKED16WRAPPER(yuv2, rgba64, rgba64be, AV_PIX_FMT_RGBA64BE, 1, 1)
1302 YUV2PACKED16WRAPPER(yuv2, rgba64, rgba64le, AV_PIX_FMT_RGBA64LE, 1, 1)
1303 YUV2PACKED16WRAPPER(yuv2, rgba64, rgbx64be, AV_PIX_FMT_RGBA64BE, 0, 1)
1304 YUV2PACKED16WRAPPER(yuv2, rgba64, rgbx64le, AV_PIX_FMT_RGBA64LE, 0, 1)
1305 YUV2PACKED16WRAPPER(yuv2, rgba64, bgra64be, AV_PIX_FMT_BGRA64BE, 1, 1)
1306 YUV2PACKED16WRAPPER(yuv2, rgba64, bgra64le, AV_PIX_FMT_BGRA64LE, 1, 1)
1307 YUV2PACKED16WRAPPER(yuv2, rgba64, bgrx64be, AV_PIX_FMT_BGRA64BE, 0, 1)
1308 YUV2PACKED16WRAPPER(yuv2, rgba64, bgrx64le, AV_PIX_FMT_BGRA64LE, 0, 1)
1309 
1310 YUV2PACKED16WRAPPER(yuv2, rgba64_full, rgb48be_full, AV_PIX_FMT_RGB48BE, 0, 0)
1311 YUV2PACKED16WRAPPER(yuv2, rgba64_full, rgb48le_full, AV_PIX_FMT_RGB48LE, 0, 0)
1312 YUV2PACKED16WRAPPER(yuv2, rgba64_full, bgr48be_full, AV_PIX_FMT_BGR48BE, 0, 0)
1313 YUV2PACKED16WRAPPER(yuv2, rgba64_full, bgr48le_full, AV_PIX_FMT_BGR48LE, 0, 0)
1314 YUV2PACKED16WRAPPER(yuv2, rgba64_full, rgba64be_full, AV_PIX_FMT_RGBA64BE, 1, 1)
1315 YUV2PACKED16WRAPPER(yuv2, rgba64_full, rgba64le_full, AV_PIX_FMT_RGBA64LE, 1, 1)
1316 YUV2PACKED16WRAPPER(yuv2, rgba64_full, rgbx64be_full, AV_PIX_FMT_RGBA64BE, 0, 1)
1317 YUV2PACKED16WRAPPER(yuv2, rgba64_full, rgbx64le_full, AV_PIX_FMT_RGBA64LE, 0, 1)
1318 YUV2PACKED16WRAPPER(yuv2, rgba64_full, bgra64be_full, AV_PIX_FMT_BGRA64BE, 1, 1)
1319 YUV2PACKED16WRAPPER(yuv2, rgba64_full, bgra64le_full, AV_PIX_FMT_BGRA64LE, 1, 1)
1320 YUV2PACKED16WRAPPER(yuv2, rgba64_full, bgrx64be_full, AV_PIX_FMT_BGRA64BE, 0, 1)
1321 YUV2PACKED16WRAPPER(yuv2, rgba64_full, bgrx64le_full, AV_PIX_FMT_BGRA64LE, 0, 1)
1322 
1323 /*
1324  * Write out 2 RGB pixels in the target pixel format. This function takes a
1325  * R/G/B LUT as generated by ff_yuv2rgb_c_init_tables(), which takes care of
1326  * things like endianness conversion and shifting. The caller takes care of
1327  * setting the correct offset in these tables from the chroma (U/V) values.
1328  * This function then uses the luminance (Y1/Y2) values to write out the
1329  * correct RGB values into the destination buffer.
1330  */
1331 static av_always_inline void
1332 yuv2rgb_write(uint8_t *_dest, int i, int Y1, int Y2,
1333  unsigned A1, unsigned A2,
1334  const void *_r, const void *_g, const void *_b, int y,
1335  enum AVPixelFormat target, int hasAlpha)
1336 {
1337  if (target == AV_PIX_FMT_ARGB || target == AV_PIX_FMT_RGBA ||
1338  target == AV_PIX_FMT_ABGR || target == AV_PIX_FMT_BGRA) {
1339  uint32_t *dest = (uint32_t *) _dest;
1340  const uint32_t *r = (const uint32_t *) _r;
1341  const uint32_t *g = (const uint32_t *) _g;
1342  const uint32_t *b = (const uint32_t *) _b;
1343 
1344 #if CONFIG_SMALL
1345  int sh = hasAlpha ? ((target == AV_PIX_FMT_RGB32_1 || target == AV_PIX_FMT_BGR32_1) ? 0 : 24) : 0;
1346 
1347  dest[i * 2 + 0] = r[Y1] + g[Y1] + b[Y1] + (hasAlpha ? A1 << sh : 0);
1348  dest[i * 2 + 1] = r[Y2] + g[Y2] + b[Y2] + (hasAlpha ? A2 << sh : 0);
1349 #else
1350  if (hasAlpha) {
1351  int sh = (target == AV_PIX_FMT_RGB32_1 || target == AV_PIX_FMT_BGR32_1) ? 0 : 24;
1352 
1353  av_assert2((((r[Y1] + g[Y1] + b[Y1]) >> sh) & 0xFF) == 0);
1354  dest[i * 2 + 0] = r[Y1] + g[Y1] + b[Y1] + (A1 << sh);
1355  dest[i * 2 + 1] = r[Y2] + g[Y2] + b[Y2] + (A2 << sh);
1356  } else {
1357 #if defined(ASSERT_LEVEL) && ASSERT_LEVEL > 1
1358  int sh = (target == AV_PIX_FMT_RGB32_1 || target == AV_PIX_FMT_BGR32_1) ? 0 : 24;
1359 
1360  av_assert2((((r[Y1] + g[Y1] + b[Y1]) >> sh) & 0xFF) == 0xFF);
1361 #endif
1362  dest[i * 2 + 0] = r[Y1] + g[Y1] + b[Y1];
1363  dest[i * 2 + 1] = r[Y2] + g[Y2] + b[Y2];
1364  }
1365 #endif
1366  } else if (target == AV_PIX_FMT_RGB24 || target == AV_PIX_FMT_BGR24) {
1367  uint8_t *dest = (uint8_t *) _dest;
1368  const uint8_t *r = (const uint8_t *) _r;
1369  const uint8_t *g = (const uint8_t *) _g;
1370  const uint8_t *b = (const uint8_t *) _b;
1371 
1372 #define r_b ((target == AV_PIX_FMT_RGB24) ? r : b)
1373 #define b_r ((target == AV_PIX_FMT_RGB24) ? b : r)
1374 
1375  dest[i * 6 + 0] = r_b[Y1];
1376  dest[i * 6 + 1] = g[Y1];
1377  dest[i * 6 + 2] = b_r[Y1];
1378  dest[i * 6 + 3] = r_b[Y2];
1379  dest[i * 6 + 4] = g[Y2];
1380  dest[i * 6 + 5] = b_r[Y2];
1381 #undef r_b
1382 #undef b_r
1383  } else if (target == AV_PIX_FMT_RGB565 || target == AV_PIX_FMT_BGR565 ||
1384  target == AV_PIX_FMT_RGB555 || target == AV_PIX_FMT_BGR555 ||
1385  target == AV_PIX_FMT_RGB444 || target == AV_PIX_FMT_BGR444) {
1386  uint16_t *dest = (uint16_t *) _dest;
1387  const uint16_t *r = (const uint16_t *) _r;
1388  const uint16_t *g = (const uint16_t *) _g;
1389  const uint16_t *b = (const uint16_t *) _b;
1390  int dr1, dg1, db1, dr2, dg2, db2;
1391 
1392  if (target == AV_PIX_FMT_RGB565 || target == AV_PIX_FMT_BGR565) {
1393  dr1 = ff_dither_2x2_8[ y & 1 ][0];
1394  dg1 = ff_dither_2x2_4[ y & 1 ][0];
1395  db1 = ff_dither_2x2_8[(y & 1) ^ 1][0];
1396  dr2 = ff_dither_2x2_8[ y & 1 ][1];
1397  dg2 = ff_dither_2x2_4[ y & 1 ][1];
1398  db2 = ff_dither_2x2_8[(y & 1) ^ 1][1];
1399  } else if (target == AV_PIX_FMT_RGB555 || target == AV_PIX_FMT_BGR555) {
1400  dr1 = ff_dither_2x2_8[ y & 1 ][0];
1401  dg1 = ff_dither_2x2_8[ y & 1 ][1];
1402  db1 = ff_dither_2x2_8[(y & 1) ^ 1][0];
1403  dr2 = ff_dither_2x2_8[ y & 1 ][1];
1404  dg2 = ff_dither_2x2_8[ y & 1 ][0];
1405  db2 = ff_dither_2x2_8[(y & 1) ^ 1][1];
1406  } else {
1407  dr1 = ff_dither_4x4_16[ y & 3 ][0];
1408  dg1 = ff_dither_4x4_16[ y & 3 ][1];
1409  db1 = ff_dither_4x4_16[(y & 3) ^ 3][0];
1410  dr2 = ff_dither_4x4_16[ y & 3 ][1];
1411  dg2 = ff_dither_4x4_16[ y & 3 ][0];
1412  db2 = ff_dither_4x4_16[(y & 3) ^ 3][1];
1413  }
1414 
1415  dest[i * 2 + 0] = r[Y1 + dr1] + g[Y1 + dg1] + b[Y1 + db1];
1416  dest[i * 2 + 1] = r[Y2 + dr2] + g[Y2 + dg2] + b[Y2 + db2];
1417  } else /* 8/4 bits */ {
1418  uint8_t *dest = (uint8_t *) _dest;
1419  const uint8_t *r = (const uint8_t *) _r;
1420  const uint8_t *g = (const uint8_t *) _g;
1421  const uint8_t *b = (const uint8_t *) _b;
1422  int dr1, dg1, db1, dr2, dg2, db2;
1423 
1424  if (target == AV_PIX_FMT_RGB8 || target == AV_PIX_FMT_BGR8) {
1425  const uint8_t * const d64 = ff_dither_8x8_73[y & 7];
1426  const uint8_t * const d32 = ff_dither_8x8_32[y & 7];
1427  dr1 = dg1 = d32[(i * 2 + 0) & 7];
1428  db1 = d64[(i * 2 + 0) & 7];
1429  dr2 = dg2 = d32[(i * 2 + 1) & 7];
1430  db2 = d64[(i * 2 + 1) & 7];
1431  } else {
1432  const uint8_t * const d64 = ff_dither_8x8_73 [y & 7];
1433  const uint8_t * const d128 = ff_dither_8x8_220[y & 7];
1434  dr1 = db1 = d128[(i * 2 + 0) & 7];
1435  dg1 = d64[(i * 2 + 0) & 7];
1436  dr2 = db2 = d128[(i * 2 + 1) & 7];
1437  dg2 = d64[(i * 2 + 1) & 7];
1438  }
1439 
1440  if (target == AV_PIX_FMT_RGB4 || target == AV_PIX_FMT_BGR4) {
1441  dest[i] = r[Y1 + dr1] + g[Y1 + dg1] + b[Y1 + db1] +
1442  ((r[Y2 + dr2] + g[Y2 + dg2] + b[Y2 + db2]) << 4);
1443  } else {
1444  dest[i * 2 + 0] = r[Y1 + dr1] + g[Y1 + dg1] + b[Y1 + db1];
1445  dest[i * 2 + 1] = r[Y2 + dr2] + g[Y2 + dg2] + b[Y2 + db2];
1446  }
1447  }
1448 }
1449 
1450 static av_always_inline void
1451 yuv2rgb_X_c_template(SwsContext *c, const int16_t *lumFilter,
1452  const int16_t **lumSrc, int lumFilterSize,
1453  const int16_t *chrFilter, const int16_t **chrUSrc,
1454  const int16_t **chrVSrc, int chrFilterSize,
1455  const int16_t **alpSrc, uint8_t *dest, int dstW,
1456  int y, enum AVPixelFormat target, int hasAlpha)
1457 {
1458  int i;
1459 
1460  for (i = 0; i < ((dstW + 1) >> 1); i++) {
1461  int j, A1, A2;
1462  int Y1 = 1 << 18;
1463  int Y2 = 1 << 18;
1464  int U = 1 << 18;
1465  int V = 1 << 18;
1466  const void *r, *g, *b;
1467 
1468  for (j = 0; j < lumFilterSize; j++) {
1469  Y1 += lumSrc[j][i * 2] * lumFilter[j];
1470  Y2 += lumSrc[j][i * 2 + 1] * lumFilter[j];
1471  }
1472  for (j = 0; j < chrFilterSize; j++) {
1473  U += chrUSrc[j][i] * chrFilter[j];
1474  V += chrVSrc[j][i] * chrFilter[j];
1475  }
1476  Y1 >>= 19;
1477  Y2 >>= 19;
1478  U >>= 19;
1479  V >>= 19;
1480  if (hasAlpha) {
1481  A1 = 1 << 18;
1482  A2 = 1 << 18;
1483  for (j = 0; j < lumFilterSize; j++) {
1484  A1 += alpSrc[j][i * 2 ] * lumFilter[j];
1485  A2 += alpSrc[j][i * 2 + 1] * lumFilter[j];
1486  }
1487  A1 >>= 19;
1488  A2 >>= 19;
1489  if ((A1 | A2) & 0x100) {
1490  A1 = av_clip_uint8(A1);
1491  A2 = av_clip_uint8(A2);
1492  }
1493  }
1494 
1495  r = c->table_rV[V + YUVRGB_TABLE_HEADROOM];
1496  g = (c->table_gU[U + YUVRGB_TABLE_HEADROOM] + c->table_gV[V + YUVRGB_TABLE_HEADROOM]);
1497  b = c->table_bU[U + YUVRGB_TABLE_HEADROOM];
1498 
1499  yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,
1500  r, g, b, y, target, hasAlpha);
1501  }
1502 }
1503 
1504 static av_always_inline void
1505 yuv2rgb_2_c_template(SwsContext *c, const int16_t *buf[2],
1506  const int16_t *ubuf[2], const int16_t *vbuf[2],
1507  const int16_t *abuf[2], uint8_t *dest, int dstW,
1508  int yalpha, int uvalpha, int y,
1509  enum AVPixelFormat target, int hasAlpha)
1510 {
1511  const int16_t *buf0 = buf[0], *buf1 = buf[1],
1512  *ubuf0 = ubuf[0], *ubuf1 = ubuf[1],
1513  *vbuf0 = vbuf[0], *vbuf1 = vbuf[1],
1514  *abuf0 = hasAlpha ? abuf[0] : NULL,
1515  *abuf1 = hasAlpha ? abuf[1] : NULL;
1516  int yalpha1 = 4096 - yalpha;
1517  int uvalpha1 = 4096 - uvalpha;
1518  int i;
1519  av_assert2(yalpha <= 4096U);
1520  av_assert2(uvalpha <= 4096U);
1521 
1522  for (i = 0; i < ((dstW + 1) >> 1); i++) {
1523  int Y1 = (buf0[i * 2] * yalpha1 + buf1[i * 2] * yalpha) >> 19;
1524  int Y2 = (buf0[i * 2 + 1] * yalpha1 + buf1[i * 2 + 1] * yalpha) >> 19;
1525  int U = (ubuf0[i] * uvalpha1 + ubuf1[i] * uvalpha) >> 19;
1526  int V = (vbuf0[i] * uvalpha1 + vbuf1[i] * uvalpha) >> 19;
1527  int A1, A2;
1528  const void *r = c->table_rV[V + YUVRGB_TABLE_HEADROOM],
1529  *g = (c->table_gU[U + YUVRGB_TABLE_HEADROOM] + c->table_gV[V + YUVRGB_TABLE_HEADROOM]),
1530  *b = c->table_bU[U + YUVRGB_TABLE_HEADROOM];
1531 
1532  if (hasAlpha) {
1533  A1 = (abuf0[i * 2 ] * yalpha1 + abuf1[i * 2 ] * yalpha) >> 19;
1534  A2 = (abuf0[i * 2 + 1] * yalpha1 + abuf1[i * 2 + 1] * yalpha) >> 19;
1535  A1 = av_clip_uint8(A1);
1536  A2 = av_clip_uint8(A2);
1537  }
1538 
1539  yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,
1540  r, g, b, y, target, hasAlpha);
1541  }
1542 }
1543 
1544 static av_always_inline void
1545 yuv2rgb_1_c_template(SwsContext *c, const int16_t *buf0,
1546  const int16_t *ubuf[2], const int16_t *vbuf[2],
1547  const int16_t *abuf0, uint8_t *dest, int dstW,
1548  int uvalpha, int y, enum AVPixelFormat target,
1549  int hasAlpha)
1550 {
1551  const int16_t *ubuf0 = ubuf[0], *vbuf0 = vbuf[0];
1552  int i;
1553 
1554  if (uvalpha < 2048) {
1555  for (i = 0; i < ((dstW + 1) >> 1); i++) {
1556  int Y1 = (buf0[i * 2 ] + 64) >> 7;
1557  int Y2 = (buf0[i * 2 + 1] + 64) >> 7;
1558  int U = (ubuf0[i] + 64) >> 7;
1559  int V = (vbuf0[i] + 64) >> 7;
1560  int A1, A2;
1561  const void *r = c->table_rV[V + YUVRGB_TABLE_HEADROOM],
1562  *g = (c->table_gU[U + YUVRGB_TABLE_HEADROOM] + c->table_gV[V + YUVRGB_TABLE_HEADROOM]),
1563  *b = c->table_bU[U + YUVRGB_TABLE_HEADROOM];
1564 
1565  if (hasAlpha) {
1566  A1 = abuf0[i * 2 ] * 255 + 16384 >> 15;
1567  A2 = abuf0[i * 2 + 1] * 255 + 16384 >> 15;
1568  A1 = av_clip_uint8(A1);
1569  A2 = av_clip_uint8(A2);
1570  }
1571 
1572  yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,
1573  r, g, b, y, target, hasAlpha);
1574  }
1575  } else {
1576  const int16_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];
1577  for (i = 0; i < ((dstW + 1) >> 1); i++) {
1578  int Y1 = (buf0[i * 2 ] + 64) >> 7;
1579  int Y2 = (buf0[i * 2 + 1] + 64) >> 7;
1580  int U = (ubuf0[i] + ubuf1[i] + 128) >> 8;
1581  int V = (vbuf0[i] + vbuf1[i] + 128) >> 8;
1582  int A1, A2;
1583  const void *r = c->table_rV[V + YUVRGB_TABLE_HEADROOM],
1584  *g = (c->table_gU[U + YUVRGB_TABLE_HEADROOM] + c->table_gV[V + YUVRGB_TABLE_HEADROOM]),
1585  *b = c->table_bU[U + YUVRGB_TABLE_HEADROOM];
1586 
1587  if (hasAlpha) {
1588  A1 = (abuf0[i * 2 ] + 64) >> 7;
1589  A2 = (abuf0[i * 2 + 1] + 64) >> 7;
1590  A1 = av_clip_uint8(A1);
1591  A2 = av_clip_uint8(A2);
1592  }
1593 
1594  yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,
1595  r, g, b, y, target, hasAlpha);
1596  }
1597  }
1598 }
1599 
1600 #define YUV2RGBWRAPPERX(name, base, ext, fmt, hasAlpha) \
1601 static void name ## ext ## _X_c(SwsContext *c, const int16_t *lumFilter, \
1602  const int16_t **lumSrc, int lumFilterSize, \
1603  const int16_t *chrFilter, const int16_t **chrUSrc, \
1604  const int16_t **chrVSrc, int chrFilterSize, \
1605  const int16_t **alpSrc, uint8_t *dest, int dstW, \
1606  int y) \
1607 { \
1608  name ## base ## _X_c_template(c, lumFilter, lumSrc, lumFilterSize, \
1609  chrFilter, chrUSrc, chrVSrc, chrFilterSize, \
1610  alpSrc, dest, dstW, y, fmt, hasAlpha); \
1611 }
1612 
1613 #define YUV2RGBWRAPPERX2(name, base, ext, fmt, hasAlpha) \
1614 YUV2RGBWRAPPERX(name, base, ext, fmt, hasAlpha) \
1615 static void name ## ext ## _2_c(SwsContext *c, const int16_t *buf[2], \
1616  const int16_t *ubuf[2], const int16_t *vbuf[2], \
1617  const int16_t *abuf[2], uint8_t *dest, int dstW, \
1618  int yalpha, int uvalpha, int y) \
1619 { \
1620  name ## base ## _2_c_template(c, buf, ubuf, vbuf, abuf, \
1621  dest, dstW, yalpha, uvalpha, y, fmt, hasAlpha); \
1622 }
1623 
1624 #define YUV2RGBWRAPPER(name, base, ext, fmt, hasAlpha) \
1625 YUV2RGBWRAPPERX2(name, base, ext, fmt, hasAlpha) \
1626 static void name ## ext ## _1_c(SwsContext *c, const int16_t *buf0, \
1627  const int16_t *ubuf[2], const int16_t *vbuf[2], \
1628  const int16_t *abuf0, uint8_t *dest, int dstW, \
1629  int uvalpha, int y) \
1630 { \
1631  name ## base ## _1_c_template(c, buf0, ubuf, vbuf, abuf0, dest, \
1632  dstW, uvalpha, y, fmt, hasAlpha); \
1633 }
1634 
1635 #if CONFIG_SMALL
1636 YUV2RGBWRAPPER(yuv2rgb,, 32_1, AV_PIX_FMT_RGB32_1, CONFIG_SWSCALE_ALPHA && c->needAlpha)
1637 YUV2RGBWRAPPER(yuv2rgb,, 32, AV_PIX_FMT_RGB32, CONFIG_SWSCALE_ALPHA && c->needAlpha)
1638 #else
1639 #if CONFIG_SWSCALE_ALPHA
1640 YUV2RGBWRAPPER(yuv2rgb,, a32_1, AV_PIX_FMT_RGB32_1, 1)
1641 YUV2RGBWRAPPER(yuv2rgb,, a32, AV_PIX_FMT_RGB32, 1)
1642 #endif
1643 YUV2RGBWRAPPER(yuv2rgb,, x32_1, AV_PIX_FMT_RGB32_1, 0)
1644 YUV2RGBWRAPPER(yuv2rgb,, x32, AV_PIX_FMT_RGB32, 0)
1645 #endif
1646 YUV2RGBWRAPPER(yuv2, rgb, rgb24, AV_PIX_FMT_RGB24, 0)
1647 YUV2RGBWRAPPER(yuv2, rgb, bgr24, AV_PIX_FMT_BGR24, 0)
1648 YUV2RGBWRAPPER(yuv2rgb,, 16, AV_PIX_FMT_RGB565, 0)
1649 YUV2RGBWRAPPER(yuv2rgb,, 15, AV_PIX_FMT_RGB555, 0)
1650 YUV2RGBWRAPPER(yuv2rgb,, 12, AV_PIX_FMT_RGB444, 0)
1651 YUV2RGBWRAPPER(yuv2rgb,, 8, AV_PIX_FMT_RGB8, 0)
1652 YUV2RGBWRAPPER(yuv2rgb,, 4, AV_PIX_FMT_RGB4, 0)
1653 YUV2RGBWRAPPER(yuv2rgb,, 4b, AV_PIX_FMT_RGB4_BYTE, 0)
1654 
1655 static av_always_inline void yuv2rgb_write_full(SwsContext *c,
1656  uint8_t *dest, int i, int Y, int A, int U, int V,
1657  int y, enum AVPixelFormat target, int hasAlpha, int err[4])
1658 {
1659  int R, G, B;
1660  int isrgb8 = target == AV_PIX_FMT_BGR8 || target == AV_PIX_FMT_RGB8;
1661 
1662  Y -= c->yuv2rgb_y_offset;
1663  Y *= c->yuv2rgb_y_coeff;
1664  Y += 1 << 21;
1665  R = Y + V*c->yuv2rgb_v2r_coeff;
1666  G = Y + V*c->yuv2rgb_v2g_coeff + U*c->yuv2rgb_u2g_coeff;
1667  B = Y + U*c->yuv2rgb_u2b_coeff;
1668  if ((R | G | B) & 0xC0000000) {
1669  R = av_clip_uintp2(R, 30);
1670  G = av_clip_uintp2(G, 30);
1671  B = av_clip_uintp2(B, 30);
1672  }
1673 
1674  switch(target) {
1675  case AV_PIX_FMT_ARGB:
1676  dest[0] = hasAlpha ? A : 255;
1677  dest[1] = R >> 22;
1678  dest[2] = G >> 22;
1679  dest[3] = B >> 22;
1680  break;
1681  case AV_PIX_FMT_RGB24:
1682  dest[0] = R >> 22;
1683  dest[1] = G >> 22;
1684  dest[2] = B >> 22;
1685  break;
1686  case AV_PIX_FMT_RGBA:
1687  dest[0] = R >> 22;
1688  dest[1] = G >> 22;
1689  dest[2] = B >> 22;
1690  dest[3] = hasAlpha ? A : 255;
1691  break;
1692  case AV_PIX_FMT_ABGR:
1693  dest[0] = hasAlpha ? A : 255;
1694  dest[1] = B >> 22;
1695  dest[2] = G >> 22;
1696  dest[3] = R >> 22;
1697  break;
1698  case AV_PIX_FMT_BGR24:
1699  dest[0] = B >> 22;
1700  dest[1] = G >> 22;
1701  dest[2] = R >> 22;
1702  break;
1703  case AV_PIX_FMT_BGRA:
1704  dest[0] = B >> 22;
1705  dest[1] = G >> 22;
1706  dest[2] = R >> 22;
1707  dest[3] = hasAlpha ? A : 255;
1708  break;
1709  case AV_PIX_FMT_BGR4_BYTE:
1710  case AV_PIX_FMT_RGB4_BYTE:
1711  case AV_PIX_FMT_BGR8:
1712  case AV_PIX_FMT_RGB8:
1713  {
1714  int r,g,b;
1715 
1716  switch (c->dither) {
1717  default:
1718  case SWS_DITHER_AUTO:
1719  case SWS_DITHER_ED:
1720  R >>= 22;
1721  G >>= 22;
1722  B >>= 22;
1723  R += (7*err[0] + 1*c->dither_error[0][i] + 5*c->dither_error[0][i+1] + 3*c->dither_error[0][i+2])>>4;
1724  G += (7*err[1] + 1*c->dither_error[1][i] + 5*c->dither_error[1][i+1] + 3*c->dither_error[1][i+2])>>4;
1725  B += (7*err[2] + 1*c->dither_error[2][i] + 5*c->dither_error[2][i+1] + 3*c->dither_error[2][i+2])>>4;
1726  c->dither_error[0][i] = err[0];
1727  c->dither_error[1][i] = err[1];
1728  c->dither_error[2][i] = err[2];
1729  r = R >> (isrgb8 ? 5 : 7);
1730  g = G >> (isrgb8 ? 5 : 6);
1731  b = B >> (isrgb8 ? 6 : 7);
1732  r = av_clip(r, 0, isrgb8 ? 7 : 1);
1733  g = av_clip(g, 0, isrgb8 ? 7 : 3);
1734  b = av_clip(b, 0, isrgb8 ? 3 : 1);
1735  err[0] = R - r*(isrgb8 ? 36 : 255);
1736  err[1] = G - g*(isrgb8 ? 36 : 85);
1737  err[2] = B - b*(isrgb8 ? 85 : 255);
1738  break;
1739  case SWS_DITHER_A_DITHER:
1740  if (isrgb8) {
1741  /* see http://pippin.gimp.org/a_dither/ for details/origin */
1742 #define A_DITHER(u,v) (((((u)+((v)*236))*119)&0xff))
1743  r = (((R >> 19) + A_DITHER(i,y) -96)>>8);
1744  g = (((G >> 19) + A_DITHER(i + 17,y) - 96)>>8);
1745  b = (((B >> 20) + A_DITHER(i + 17*2,y) -96)>>8);
1746  r = av_clip_uintp2(r, 3);
1747  g = av_clip_uintp2(g, 3);
1748  b = av_clip_uintp2(b, 2);
1749  } else {
1750  r = (((R >> 21) + A_DITHER(i,y)-256)>>8);
1751  g = (((G >> 19) + A_DITHER(i + 17,y)-256)>>8);
1752  b = (((B >> 21) + A_DITHER(i + 17*2,y)-256)>>8);
1753  r = av_clip_uintp2(r, 1);
1754  g = av_clip_uintp2(g, 2);
1755  b = av_clip_uintp2(b, 1);
1756  }
1757  break;
1758  case SWS_DITHER_X_DITHER:
1759  if (isrgb8) {
1760  /* see http://pippin.gimp.org/a_dither/ for details/origin */
1761 #define X_DITHER(u,v) (((((u)^((v)*237))*181)&0x1ff)/2)
1762  r = (((R >> 19) + X_DITHER(i,y) - 96)>>8);
1763  g = (((G >> 19) + X_DITHER(i + 17,y) - 96)>>8);
1764  b = (((B >> 20) + X_DITHER(i + 17*2,y) - 96)>>8);
1765  r = av_clip_uintp2(r, 3);
1766  g = av_clip_uintp2(g, 3);
1767  b = av_clip_uintp2(b, 2);
1768  } else {
1769  r = (((R >> 21) + X_DITHER(i,y)-256)>>8);
1770  g = (((G >> 19) + X_DITHER(i + 17,y)-256)>>8);
1771  b = (((B >> 21) + X_DITHER(i + 17*2,y)-256)>>8);
1772  r = av_clip_uintp2(r, 1);
1773  g = av_clip_uintp2(g, 2);
1774  b = av_clip_uintp2(b, 1);
1775  }
1776 
1777  break;
1778  }
1779 
1780  if(target == AV_PIX_FMT_BGR4_BYTE) {
1781  dest[0] = r + 2*g + 8*b;
1782  } else if(target == AV_PIX_FMT_RGB4_BYTE) {
1783  dest[0] = b + 2*g + 8*r;
1784  } else if(target == AV_PIX_FMT_BGR8) {
1785  dest[0] = r + 8*g + 64*b;
1786  } else if(target == AV_PIX_FMT_RGB8) {
1787  dest[0] = b + 4*g + 32*r;
1788  } else
1789  av_assert2(0);
1790  break;}
1791  }
1792 }
1793 
1794 static av_always_inline void
1795 yuv2rgb_full_X_c_template(SwsContext *c, const int16_t *lumFilter,
1796  const int16_t **lumSrc, int lumFilterSize,
1797  const int16_t *chrFilter, const int16_t **chrUSrc,
1798  const int16_t **chrVSrc, int chrFilterSize,
1799  const int16_t **alpSrc, uint8_t *dest,
1800  int dstW, int y, enum AVPixelFormat target, int hasAlpha)
1801 {
1802  int i;
1803  int step = (target == AV_PIX_FMT_RGB24 || target == AV_PIX_FMT_BGR24) ? 3 : 4;
1804  int err[4] = {0};
1805  int A = 0; //init to silence warning
1806 
1807  if( target == AV_PIX_FMT_BGR4_BYTE || target == AV_PIX_FMT_RGB4_BYTE
1808  || target == AV_PIX_FMT_BGR8 || target == AV_PIX_FMT_RGB8)
1809  step = 1;
1810 
1811  for (i = 0; i < dstW; i++) {
1812  int j;
1813  int Y = 1<<9;
1814  int U = (1<<9)-(128 << 19);
1815  int V = (1<<9)-(128 << 19);
1816 
1817  for (j = 0; j < lumFilterSize; j++) {
1818  Y += lumSrc[j][i] * lumFilter[j];
1819  }
1820  for (j = 0; j < chrFilterSize; j++) {
1821  U += chrUSrc[j][i] * chrFilter[j];
1822  V += chrVSrc[j][i] * chrFilter[j];
1823  }
1824  Y >>= 10;
1825  U >>= 10;
1826  V >>= 10;
1827  if (hasAlpha) {
1828  A = 1 << 18;
1829  for (j = 0; j < lumFilterSize; j++) {
1830  A += alpSrc[j][i] * lumFilter[j];
1831  }
1832  A >>= 19;
1833  if (A & 0x100)
1834  A = av_clip_uint8(A);
1835  }
1836  yuv2rgb_write_full(c, dest, i, Y, A, U, V, y, target, hasAlpha, err);
1837  dest += step;
1838  }
1839  c->dither_error[0][i] = err[0];
1840  c->dither_error[1][i] = err[1];
1841  c->dither_error[2][i] = err[2];
1842 }
1843 
1844 static av_always_inline void
1845 yuv2rgb_full_2_c_template(SwsContext *c, const int16_t *buf[2],
1846  const int16_t *ubuf[2], const int16_t *vbuf[2],
1847  const int16_t *abuf[2], uint8_t *dest, int dstW,
1848  int yalpha, int uvalpha, int y,
1849  enum AVPixelFormat target, int hasAlpha)
1850 {
1851  const int16_t *buf0 = buf[0], *buf1 = buf[1],
1852  *ubuf0 = ubuf[0], *ubuf1 = ubuf[1],
1853  *vbuf0 = vbuf[0], *vbuf1 = vbuf[1],
1854  *abuf0 = hasAlpha ? abuf[0] : NULL,
1855  *abuf1 = hasAlpha ? abuf[1] : NULL;
1856  int yalpha1 = 4096 - yalpha;
1857  int uvalpha1 = 4096 - uvalpha;
1858  int i;
1859  int step = (target == AV_PIX_FMT_RGB24 || target == AV_PIX_FMT_BGR24) ? 3 : 4;
1860  int err[4] = {0};
1861  int A = 0; // init to silcene warning
1862 
1863  av_assert2(yalpha <= 4096U);
1864  av_assert2(uvalpha <= 4096U);
1865 
1866  if( target == AV_PIX_FMT_BGR4_BYTE || target == AV_PIX_FMT_RGB4_BYTE
1867  || target == AV_PIX_FMT_BGR8 || target == AV_PIX_FMT_RGB8)
1868  step = 1;
1869 
1870  for (i = 0; i < dstW; i++) {
1871  int Y = ( buf0[i] * yalpha1 + buf1[i] * yalpha ) >> 10; //FIXME rounding
1872  int U = (ubuf0[i] * uvalpha1 + ubuf1[i] * uvalpha-(128 << 19)) >> 10;
1873  int V = (vbuf0[i] * uvalpha1 + vbuf1[i] * uvalpha-(128 << 19)) >> 10;
1874 
1875  if (hasAlpha) {
1876  A = (abuf0[i] * yalpha1 + abuf1[i] * yalpha + (1<<18)) >> 19;
1877  if (A & 0x100)
1878  A = av_clip_uint8(A);
1879  }
1880 
1881  yuv2rgb_write_full(c, dest, i, Y, A, U, V, y, target, hasAlpha, err);
1882  dest += step;
1883  }
1884  c->dither_error[0][i] = err[0];
1885  c->dither_error[1][i] = err[1];
1886  c->dither_error[2][i] = err[2];
1887 }
1888 
1889 static av_always_inline void
1890 yuv2rgb_full_1_c_template(SwsContext *c, const int16_t *buf0,
1891  const int16_t *ubuf[2], const int16_t *vbuf[2],
1892  const int16_t *abuf0, uint8_t *dest, int dstW,
1893  int uvalpha, int y, enum AVPixelFormat target,
1894  int hasAlpha)
1895 {
1896  const int16_t *ubuf0 = ubuf[0], *vbuf0 = vbuf[0];
1897  int i;
1898  int step = (target == AV_PIX_FMT_RGB24 || target == AV_PIX_FMT_BGR24) ? 3 : 4;
1899  int err[4] = {0};
1900 
1901  if( target == AV_PIX_FMT_BGR4_BYTE || target == AV_PIX_FMT_RGB4_BYTE
1902  || target == AV_PIX_FMT_BGR8 || target == AV_PIX_FMT_RGB8)
1903  step = 1;
1904 
1905  if (uvalpha < 2048) {
1906  int A = 0; //init to silence warning
1907  for (i = 0; i < dstW; i++) {
1908  int Y = buf0[i] << 2;
1909  int U = (ubuf0[i] - (128<<7)) * 4;
1910  int V = (vbuf0[i] - (128<<7)) * 4;
1911 
1912  if (hasAlpha) {
1913  A = (abuf0[i] + 64) >> 7;
1914  if (A & 0x100)
1915  A = av_clip_uint8(A);
1916  }
1917 
1918  yuv2rgb_write_full(c, dest, i, Y, A, U, V, y, target, hasAlpha, err);
1919  dest += step;
1920  }
1921  } else {
1922  const int16_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];
1923  int A = 0; //init to silence warning
1924  for (i = 0; i < dstW; i++) {
1925  int Y = buf0[i] << 2;
1926  int U = (ubuf0[i] + ubuf1[i] - (128<<8)) << 1;
1927  int V = (vbuf0[i] + vbuf1[i] - (128<<8)) << 1;
1928 
1929  if (hasAlpha) {
1930  A = (abuf0[i] + 64) >> 7;
1931  if (A & 0x100)
1932  A = av_clip_uint8(A);
1933  }
1934 
1935  yuv2rgb_write_full(c, dest, i, Y, A, U, V, y, target, hasAlpha, err);
1936  dest += step;
1937  }
1938  }
1939 
1940  c->dither_error[0][i] = err[0];
1941  c->dither_error[1][i] = err[1];
1942  c->dither_error[2][i] = err[2];
1943 }
1944 
1945 #if CONFIG_SMALL
1946 YUV2RGBWRAPPER(yuv2, rgb_full, bgra32_full, AV_PIX_FMT_BGRA, CONFIG_SWSCALE_ALPHA && c->needAlpha)
1947 YUV2RGBWRAPPER(yuv2, rgb_full, abgr32_full, AV_PIX_FMT_ABGR, CONFIG_SWSCALE_ALPHA && c->needAlpha)
1948 YUV2RGBWRAPPER(yuv2, rgb_full, rgba32_full, AV_PIX_FMT_RGBA, CONFIG_SWSCALE_ALPHA && c->needAlpha)
1949 YUV2RGBWRAPPER(yuv2, rgb_full, argb32_full, AV_PIX_FMT_ARGB, CONFIG_SWSCALE_ALPHA && c->needAlpha)
1950 #else
1951 #if CONFIG_SWSCALE_ALPHA
1952 YUV2RGBWRAPPER(yuv2, rgb_full, bgra32_full, AV_PIX_FMT_BGRA, 1)
1953 YUV2RGBWRAPPER(yuv2, rgb_full, abgr32_full, AV_PIX_FMT_ABGR, 1)
1954 YUV2RGBWRAPPER(yuv2, rgb_full, rgba32_full, AV_PIX_FMT_RGBA, 1)
1955 YUV2RGBWRAPPER(yuv2, rgb_full, argb32_full, AV_PIX_FMT_ARGB, 1)
1956 #endif
1957 YUV2RGBWRAPPER(yuv2, rgb_full, bgrx32_full, AV_PIX_FMT_BGRA, 0)
1958 YUV2RGBWRAPPER(yuv2, rgb_full, xbgr32_full, AV_PIX_FMT_ABGR, 0)
1959 YUV2RGBWRAPPER(yuv2, rgb_full, rgbx32_full, AV_PIX_FMT_RGBA, 0)
1960 YUV2RGBWRAPPER(yuv2, rgb_full, xrgb32_full, AV_PIX_FMT_ARGB, 0)
1961 #endif
1962 YUV2RGBWRAPPER(yuv2, rgb_full, bgr24_full, AV_PIX_FMT_BGR24, 0)
1963 YUV2RGBWRAPPER(yuv2, rgb_full, rgb24_full, AV_PIX_FMT_RGB24, 0)
1964 
1965 YUV2RGBWRAPPER(yuv2, rgb_full, bgr4_byte_full, AV_PIX_FMT_BGR4_BYTE, 0)
1966 YUV2RGBWRAPPER(yuv2, rgb_full, rgb4_byte_full, AV_PIX_FMT_RGB4_BYTE, 0)
1967 YUV2RGBWRAPPER(yuv2, rgb_full, bgr8_full, AV_PIX_FMT_BGR8, 0)
1968 YUV2RGBWRAPPER(yuv2, rgb_full, rgb8_full, AV_PIX_FMT_RGB8, 0)
1969 
1970 static void
1971 yuv2gbrp_full_X_c(SwsContext *c, const int16_t *lumFilter,
1972  const int16_t **lumSrc, int lumFilterSize,
1973  const int16_t *chrFilter, const int16_t **chrUSrc,
1974  const int16_t **chrVSrc, int chrFilterSize,
1975  const int16_t **alpSrc, uint8_t **dest,
1976  int dstW, int y)
1977 {
1978  const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(c->dstFormat);
1979  int i;
1980  int hasAlpha = (desc->flags & AV_PIX_FMT_FLAG_ALPHA) && alpSrc;
1981  uint16_t **dest16 = (uint16_t**)dest;
1982  int SH = 22 + 8 - desc->comp[0].depth;
1983  int A = 0; // init to silence warning
1984 
1985  for (i = 0; i < dstW; i++) {
1986  int j;
1987  int Y = 1 << 9;
1988  int U = (1 << 9) - (128 << 19);
1989  int V = (1 << 9) - (128 << 19);
1990  int R, G, B;
1991 
1992  for (j = 0; j < lumFilterSize; j++)
1993  Y += lumSrc[j][i] * lumFilter[j];
1994 
1995  for (j = 0; j < chrFilterSize; j++) {
1996  U += chrUSrc[j][i] * chrFilter[j];
1997  V += chrVSrc[j][i] * chrFilter[j];
1998  }
1999 
2000  Y >>= 10;
2001  U >>= 10;
2002  V >>= 10;
2003 
2004  if (hasAlpha) {
2005  A = 1 << 18;
2006 
2007  for (j = 0; j < lumFilterSize; j++)
2008  A += alpSrc[j][i] * lumFilter[j];
2009 
2010  if (A & 0xF8000000)
2011  A = av_clip_uintp2(A, 27);
2012  }
2013 
2014  Y -= c->yuv2rgb_y_offset;
2015  Y *= c->yuv2rgb_y_coeff;
2016  Y += 1 << (SH-1);
2017  R = Y + V * c->yuv2rgb_v2r_coeff;
2018  G = Y + V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;
2019  B = Y + U * c->yuv2rgb_u2b_coeff;
2020 
2021  if ((R | G | B) & 0xC0000000) {
2022  R = av_clip_uintp2(R, 30);
2023  G = av_clip_uintp2(G, 30);
2024  B = av_clip_uintp2(B, 30);
2025  }
2026 
2027  if (SH != 22) {
2028  dest16[0][i] = G >> SH;
2029  dest16[1][i] = B >> SH;
2030  dest16[2][i] = R >> SH;
2031  if (hasAlpha)
2032  dest16[3][i] = A >> (SH - 3);
2033  } else {
2034  dest[0][i] = G >> 22;
2035  dest[1][i] = B >> 22;
2036  dest[2][i] = R >> 22;
2037  if (hasAlpha)
2038  dest[3][i] = A >> 19;
2039  }
2040  }
2041  if (SH != 22 && (!isBE(c->dstFormat)) != (!HAVE_BIGENDIAN)) {
2042  for (i = 0; i < dstW; i++) {
2043  dest16[0][i] = av_bswap16(dest16[0][i]);
2044  dest16[1][i] = av_bswap16(dest16[1][i]);
2045  dest16[2][i] = av_bswap16(dest16[2][i]);
2046  if (hasAlpha)
2047  dest16[3][i] = av_bswap16(dest16[3][i]);
2048  }
2049  }
2050 }
2051 
2052 static void
2053 yuv2gbrp16_full_X_c(SwsContext *c, const int16_t *lumFilter,
2054  const int16_t **lumSrcx, int lumFilterSize,
2055  const int16_t *chrFilter, const int16_t **chrUSrcx,
2056  const int16_t **chrVSrcx, int chrFilterSize,
2057  const int16_t **alpSrcx, uint8_t **dest,
2058  int dstW, int y)
2059 {
2060  const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(c->dstFormat);
2061  int i;
2062  int hasAlpha = (desc->flags & AV_PIX_FMT_FLAG_ALPHA) && alpSrcx;
2063  uint16_t **dest16 = (uint16_t**)dest;
2064  const int32_t **lumSrc = (const int32_t**)lumSrcx;
2065  const int32_t **chrUSrc = (const int32_t**)chrUSrcx;
2066  const int32_t **chrVSrc = (const int32_t**)chrVSrcx;
2067  const int32_t **alpSrc = (const int32_t**)alpSrcx;
2068 
2069  for (i = 0; i < dstW; i++) {
2070  int j;
2071  int Y = -0x40000000;
2072  int U = -(128 << 23);
2073  int V = -(128 << 23);
2074  int R, G, B, A;
2075 
2076  for (j = 0; j < lumFilterSize; j++)
2077  Y += lumSrc[j][i] * (unsigned)lumFilter[j];
2078 
2079  for (j = 0; j < chrFilterSize; j++) {
2080  U += chrUSrc[j][i] * (unsigned)chrFilter[j];
2081  V += chrVSrc[j][i] * (unsigned)chrFilter[j];
2082  }
2083 
2084  Y >>= 14;
2085  Y += 0x10000;
2086  U >>= 14;
2087  V >>= 14;
2088 
2089  if (hasAlpha) {
2090  A = -0x40000000;
2091 
2092  for (j = 0; j < lumFilterSize; j++)
2093  A += alpSrc[j][i] * lumFilter[j];
2094 
2095  A >>= 1;
2096  A += 0x20002000;
2097  }
2098 
2099  Y -= c->yuv2rgb_y_offset;
2100  Y *= c->yuv2rgb_y_coeff;
2101  Y += 1 << 13;
2102  R = V * c->yuv2rgb_v2r_coeff;
2103  G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;
2104  B = U * c->yuv2rgb_u2b_coeff;
2105 
2106  R = av_clip_uintp2(Y + R, 30);
2107  G = av_clip_uintp2(Y + G, 30);
2108  B = av_clip_uintp2(Y + B, 30);
2109 
2110  dest16[0][i] = G >> 14;
2111  dest16[1][i] = B >> 14;
2112  dest16[2][i] = R >> 14;
2113  if (hasAlpha)
2114  dest16[3][i] = av_clip_uintp2(A, 30) >> 14;
2115  }
2116  if ((!isBE(c->dstFormat)) != (!HAVE_BIGENDIAN)) {
2117  for (i = 0; i < dstW; i++) {
2118  dest16[0][i] = av_bswap16(dest16[0][i]);
2119  dest16[1][i] = av_bswap16(dest16[1][i]);
2120  dest16[2][i] = av_bswap16(dest16[2][i]);
2121  if (hasAlpha)
2122  dest16[3][i] = av_bswap16(dest16[3][i]);
2123  }
2124  }
2125 }
2126 
2127 static void
2128 yuv2ya8_1_c(SwsContext *c, const int16_t *buf0,
2129  const int16_t *ubuf[2], const int16_t *vbuf[2],
2130  const int16_t *abuf0, uint8_t *dest, int dstW,
2131  int uvalpha, int y)
2132 {
2133  int hasAlpha = !!abuf0;
2134  int i;
2135 
2136  for (i = 0; i < dstW; i++) {
2137  int Y = (buf0[i] + 64) >> 7;
2138  int A;
2139 
2140  Y = av_clip_uint8(Y);
2141 
2142  if (hasAlpha) {
2143  A = (abuf0[i] + 64) >> 7;
2144  if (A & 0x100)
2145  A = av_clip_uint8(A);
2146  }
2147 
2148  dest[i * 2 ] = Y;
2149  dest[i * 2 + 1] = hasAlpha ? A : 255;
2150  }
2151 }
2152 
2153 static void
2154 yuv2ya8_2_c(SwsContext *c, const int16_t *buf[2],
2155  const int16_t *ubuf[2], const int16_t *vbuf[2],
2156  const int16_t *abuf[2], uint8_t *dest, int dstW,
2157  int yalpha, int uvalpha, int y)
2158 {
2159  int hasAlpha = abuf && abuf[0] && abuf[1];
2160  const int16_t *buf0 = buf[0], *buf1 = buf[1],
2161  *abuf0 = hasAlpha ? abuf[0] : NULL,
2162  *abuf1 = hasAlpha ? abuf[1] : NULL;
2163  int yalpha1 = 4096 - yalpha;
2164  int i;
2165 
2166  av_assert2(yalpha <= 4096U);
2167 
2168  for (i = 0; i < dstW; i++) {
2169  int Y = (buf0[i] * yalpha1 + buf1[i] * yalpha) >> 19;
2170  int A;
2171 
2172  Y = av_clip_uint8(Y);
2173 
2174  if (hasAlpha) {
2175  A = (abuf0[i] * yalpha1 + abuf1[i] * yalpha) >> 19;
2176  A = av_clip_uint8(A);
2177  }
2178 
2179  dest[i * 2 ] = Y;
2180  dest[i * 2 + 1] = hasAlpha ? A : 255;
2181  }
2182 }
2183 
2184 static void
2185 yuv2ya8_X_c(SwsContext *c, const int16_t *lumFilter,
2186  const int16_t **lumSrc, int lumFilterSize,
2187  const int16_t *chrFilter, const int16_t **chrUSrc,
2188  const int16_t **chrVSrc, int chrFilterSize,
2189  const int16_t **alpSrc, uint8_t *dest, int dstW, int y)
2190 {
2191  int hasAlpha = !!alpSrc;
2192  int i;
2193 
2194  for (i = 0; i < dstW; i++) {
2195  int j;
2196  int Y = 1 << 18, A = 1 << 18;
2197 
2198  for (j = 0; j < lumFilterSize; j++)
2199  Y += lumSrc[j][i] * lumFilter[j];
2200 
2201  Y >>= 19;
2202  if (Y & 0x100)
2203  Y = av_clip_uint8(Y);
2204 
2205  if (hasAlpha) {
2206  for (j = 0; j < lumFilterSize; j++)
2207  A += alpSrc[j][i] * lumFilter[j];
2208 
2209  A >>= 19;
2210 
2211  if (A & 0x100)
2212  A = av_clip_uint8(A);
2213  }
2214 
2215  dest[2 * i ] = Y;
2216  dest[2 * i + 1] = hasAlpha ? A : 255;
2217  }
2218 }
2219 
2220 static void
2221 yuv2ayuv64le_X_c(SwsContext *c, const int16_t *lumFilter,
2222  const int16_t **_lumSrc, int lumFilterSize,
2223  const int16_t *chrFilter, const int16_t **_chrUSrc,
2224  const int16_t **_chrVSrc, int chrFilterSize,
2225  const int16_t **_alpSrc, uint8_t *dest, int dstW, int y)
2226 {
2227  const int32_t **lumSrc = (const int32_t **) _lumSrc,
2228  **chrUSrc = (const int32_t **) _chrUSrc,
2229  **chrVSrc = (const int32_t **) _chrVSrc,
2230  **alpSrc = (const int32_t **) _alpSrc;
2231  int hasAlpha = !!alpSrc;
2232  int i;
2233 
2234  for (i = 0; i < dstW; i++) {
2235  int Y = 1 << 14, U = 1 << 14;
2236  int V = 1 << 14, A = 1 << 14;
2237  int j;
2238 
2239  Y -= 0x40000000;
2240  U -= 0x40000000;
2241  V -= 0x40000000;
2242  A -= 0x40000000;
2243 
2244  for (j = 0; j < lumFilterSize; j++)
2245  Y += lumSrc[j][i] * (unsigned)lumFilter[j];
2246 
2247  for (j = 0; j < chrFilterSize; j++)
2248  U += chrUSrc[j][i] * (unsigned)chrFilter[j];
2249 
2250  for (j = 0; j < chrFilterSize; j++)
2251  V += chrVSrc[j][i] * (unsigned)chrFilter[j];
2252 
2253  if (hasAlpha)
2254  for (j = 0; j < lumFilterSize; j++)
2255  A += alpSrc[j][i] * (unsigned)lumFilter[j];
2256 
2257  Y = 0x8000 + av_clip_int16(Y >> 15);
2258  U = 0x8000 + av_clip_int16(U >> 15);
2259  V = 0x8000 + av_clip_int16(V >> 15);
2260  A = 0x8000 + av_clip_int16(A >> 15);
2261 
2262  AV_WL16(dest + 8 * i, hasAlpha ? A : 65535);
2263  AV_WL16(dest + 8 * i + 2, Y);
2264  AV_WL16(dest + 8 * i + 4, U);
2265  AV_WL16(dest + 8 * i + 6, V);
2266  }
2267 }
2268 
2269 av_cold void ff_sws_init_output_funcs(SwsContext *c,
2270  yuv2planar1_fn *yuv2plane1,
2271  yuv2planarX_fn *yuv2planeX,
2272  yuv2interleavedX_fn *yuv2nv12cX,
2273  yuv2packed1_fn *yuv2packed1,
2274  yuv2packed2_fn *yuv2packed2,
2275  yuv2packedX_fn *yuv2packedX,
2276  yuv2anyX_fn *yuv2anyX)
2277 {
2278  enum AVPixelFormat dstFormat = c->dstFormat;
2279  const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(dstFormat);
2280 
2281  if (dstFormat == AV_PIX_FMT_P010LE || dstFormat == AV_PIX_FMT_P010BE) {
2282  *yuv2plane1 = isBE(dstFormat) ? yuv2p010l1_BE_c : yuv2p010l1_LE_c;
2283  *yuv2planeX = isBE(dstFormat) ? yuv2p010lX_BE_c : yuv2p010lX_LE_c;
2284  *yuv2nv12cX = yuv2p010cX_c;
2285  } else if (is16BPS(dstFormat)) {
2286  *yuv2planeX = isBE(dstFormat) ? yuv2planeX_16BE_c : yuv2planeX_16LE_c;
2287  *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_16BE_c : yuv2plane1_16LE_c;
2288  if (dstFormat == AV_PIX_FMT_P016LE || dstFormat == AV_PIX_FMT_P016BE) {
2289  *yuv2nv12cX = yuv2p016cX_c;
2290  }
2291  } else if (isNBPS(dstFormat)) {
2292  if (desc->comp[0].depth == 9) {
2293  *yuv2planeX = isBE(dstFormat) ? yuv2planeX_9BE_c : yuv2planeX_9LE_c;
2294  *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_9BE_c : yuv2plane1_9LE_c;
2295  } else if (desc->comp[0].depth == 10) {
2296  *yuv2planeX = isBE(dstFormat) ? yuv2planeX_10BE_c : yuv2planeX_10LE_c;
2297  *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_10BE_c : yuv2plane1_10LE_c;
2298  } else if (desc->comp[0].depth == 12) {
2299  *yuv2planeX = isBE(dstFormat) ? yuv2planeX_12BE_c : yuv2planeX_12LE_c;
2300  *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_12BE_c : yuv2plane1_12LE_c;
2301  } else if (desc->comp[0].depth == 14) {
2302  *yuv2planeX = isBE(dstFormat) ? yuv2planeX_14BE_c : yuv2planeX_14LE_c;
2303  *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_14BE_c : yuv2plane1_14LE_c;
2304  } else
2305  av_assert0(0);
2306  } else {
2307  *yuv2plane1 = yuv2plane1_8_c;
2308  *yuv2planeX = yuv2planeX_8_c;
2309  if (dstFormat == AV_PIX_FMT_NV12 || dstFormat == AV_PIX_FMT_NV21)
2310  *yuv2nv12cX = yuv2nv12cX_c;
2311  }
2312 
2313  if(c->flags & SWS_FULL_CHR_H_INT) {
2314  switch (dstFormat) {
2315  case AV_PIX_FMT_RGBA:
2316 #if CONFIG_SMALL
2317  *yuv2packedX = yuv2rgba32_full_X_c;
2318  *yuv2packed2 = yuv2rgba32_full_2_c;
2319  *yuv2packed1 = yuv2rgba32_full_1_c;
2320 #else
2321 #if CONFIG_SWSCALE_ALPHA
2322  if (c->needAlpha) {
2323  *yuv2packedX = yuv2rgba32_full_X_c;
2324  *yuv2packed2 = yuv2rgba32_full_2_c;
2325  *yuv2packed1 = yuv2rgba32_full_1_c;
2326  } else
2327 #endif /* CONFIG_SWSCALE_ALPHA */
2328  {
2329  *yuv2packedX = yuv2rgbx32_full_X_c;
2330  *yuv2packed2 = yuv2rgbx32_full_2_c;
2331  *yuv2packed1 = yuv2rgbx32_full_1_c;
2332  }
2333 #endif /* !CONFIG_SMALL */
2334  break;
2335  case AV_PIX_FMT_ARGB:
2336 #if CONFIG_SMALL
2337  *yuv2packedX = yuv2argb32_full_X_c;
2338  *yuv2packed2 = yuv2argb32_full_2_c;
2339  *yuv2packed1 = yuv2argb32_full_1_c;
2340 #else
2341 #if CONFIG_SWSCALE_ALPHA
2342  if (c->needAlpha) {
2343  *yuv2packedX = yuv2argb32_full_X_c;
2344  *yuv2packed2 = yuv2argb32_full_2_c;
2345  *yuv2packed1 = yuv2argb32_full_1_c;
2346  } else
2347 #endif /* CONFIG_SWSCALE_ALPHA */
2348  {
2349  *yuv2packedX = yuv2xrgb32_full_X_c;
2350  *yuv2packed2 = yuv2xrgb32_full_2_c;
2351  *yuv2packed1 = yuv2xrgb32_full_1_c;
2352  }
2353 #endif /* !CONFIG_SMALL */
2354  break;
2355  case AV_PIX_FMT_BGRA:
2356 #if CONFIG_SMALL
2357  *yuv2packedX = yuv2bgra32_full_X_c;
2358  *yuv2packed2 = yuv2bgra32_full_2_c;
2359  *yuv2packed1 = yuv2bgra32_full_1_c;
2360 #else
2361 #if CONFIG_SWSCALE_ALPHA
2362  if (c->needAlpha) {
2363  *yuv2packedX = yuv2bgra32_full_X_c;
2364  *yuv2packed2 = yuv2bgra32_full_2_c;
2365  *yuv2packed1 = yuv2bgra32_full_1_c;
2366  } else
2367 #endif /* CONFIG_SWSCALE_ALPHA */
2368  {
2369  *yuv2packedX = yuv2bgrx32_full_X_c;
2370  *yuv2packed2 = yuv2bgrx32_full_2_c;
2371  *yuv2packed1 = yuv2bgrx32_full_1_c;
2372  }
2373 #endif /* !CONFIG_SMALL */
2374  break;
2375  case AV_PIX_FMT_ABGR:
2376 #if CONFIG_SMALL
2377  *yuv2packedX = yuv2abgr32_full_X_c;
2378  *yuv2packed2 = yuv2abgr32_full_2_c;
2379  *yuv2packed1 = yuv2abgr32_full_1_c;
2380 #else
2381 #if CONFIG_SWSCALE_ALPHA
2382  if (c->needAlpha) {
2383  *yuv2packedX = yuv2abgr32_full_X_c;
2384  *yuv2packed2 = yuv2abgr32_full_2_c;
2385  *yuv2packed1 = yuv2abgr32_full_1_c;
2386  } else
2387 #endif /* CONFIG_SWSCALE_ALPHA */
2388  {
2389  *yuv2packedX = yuv2xbgr32_full_X_c;
2390  *yuv2packed2 = yuv2xbgr32_full_2_c;
2391  *yuv2packed1 = yuv2xbgr32_full_1_c;
2392  }
2393 #endif /* !CONFIG_SMALL */
2394  break;
2395  case AV_PIX_FMT_RGBA64LE:
2396 #if CONFIG_SWSCALE_ALPHA
2397  if (c->needAlpha) {
2398  *yuv2packedX = yuv2rgba64le_full_X_c;
2399  *yuv2packed2 = yuv2rgba64le_full_2_c;
2400  *yuv2packed1 = yuv2rgba64le_full_1_c;
2401  } else
2402 #endif /* CONFIG_SWSCALE_ALPHA */
2403  {
2404  *yuv2packedX = yuv2rgbx64le_full_X_c;
2405  *yuv2packed2 = yuv2rgbx64le_full_2_c;
2406  *yuv2packed1 = yuv2rgbx64le_full_1_c;
2407  }
2408  break;
2409  case AV_PIX_FMT_RGBA64BE:
2410 #if CONFIG_SWSCALE_ALPHA
2411  if (c->needAlpha) {
2412  *yuv2packedX = yuv2rgba64be_full_X_c;
2413  *yuv2packed2 = yuv2rgba64be_full_2_c;
2414  *yuv2packed1 = yuv2rgba64be_full_1_c;
2415  } else
2416 #endif /* CONFIG_SWSCALE_ALPHA */
2417  {
2418  *yuv2packedX = yuv2rgbx64be_full_X_c;
2419  *yuv2packed2 = yuv2rgbx64be_full_2_c;
2420  *yuv2packed1 = yuv2rgbx64be_full_1_c;
2421  }
2422  break;
2423  case AV_PIX_FMT_BGRA64LE:
2424 #if CONFIG_SWSCALE_ALPHA
2425  if (c->needAlpha) {
2426  *yuv2packedX = yuv2bgra64le_full_X_c;
2427  *yuv2packed2 = yuv2bgra64le_full_2_c;
2428  *yuv2packed1 = yuv2bgra64le_full_1_c;
2429  } else
2430 #endif /* CONFIG_SWSCALE_ALPHA */
2431  {
2432  *yuv2packedX = yuv2bgrx64le_full_X_c;
2433  *yuv2packed2 = yuv2bgrx64le_full_2_c;
2434  *yuv2packed1 = yuv2bgrx64le_full_1_c;
2435  }
2436  break;
2437  case AV_PIX_FMT_BGRA64BE:
2438 #if CONFIG_SWSCALE_ALPHA
2439  if (c->needAlpha) {
2440  *yuv2packedX = yuv2bgra64be_full_X_c;
2441  *yuv2packed2 = yuv2bgra64be_full_2_c;
2442  *yuv2packed1 = yuv2bgra64be_full_1_c;
2443  } else
2444 #endif /* CONFIG_SWSCALE_ALPHA */
2445  {
2446  *yuv2packedX = yuv2bgrx64be_full_X_c;
2447  *yuv2packed2 = yuv2bgrx64be_full_2_c;
2448  *yuv2packed1 = yuv2bgrx64be_full_1_c;
2449  }
2450  break;
2451 
2452  case AV_PIX_FMT_RGB24:
2453  *yuv2packedX = yuv2rgb24_full_X_c;
2454  *yuv2packed2 = yuv2rgb24_full_2_c;
2455  *yuv2packed1 = yuv2rgb24_full_1_c;
2456  break;
2457  case AV_PIX_FMT_BGR24:
2458  *yuv2packedX = yuv2bgr24_full_X_c;
2459  *yuv2packed2 = yuv2bgr24_full_2_c;
2460  *yuv2packed1 = yuv2bgr24_full_1_c;
2461  break;
2462  case AV_PIX_FMT_RGB48LE:
2463  *yuv2packedX = yuv2rgb48le_full_X_c;
2464  *yuv2packed2 = yuv2rgb48le_full_2_c;
2465  *yuv2packed1 = yuv2rgb48le_full_1_c;
2466  break;
2467  case AV_PIX_FMT_BGR48LE:
2468  *yuv2packedX = yuv2bgr48le_full_X_c;
2469  *yuv2packed2 = yuv2bgr48le_full_2_c;
2470  *yuv2packed1 = yuv2bgr48le_full_1_c;
2471  break;
2472  case AV_PIX_FMT_RGB48BE:
2473  *yuv2packedX = yuv2rgb48be_full_X_c;
2474  *yuv2packed2 = yuv2rgb48be_full_2_c;
2475  *yuv2packed1 = yuv2rgb48be_full_1_c;
2476  break;
2477  case AV_PIX_FMT_BGR48BE:
2478  *yuv2packedX = yuv2bgr48be_full_X_c;
2479  *yuv2packed2 = yuv2bgr48be_full_2_c;
2480  *yuv2packed1 = yuv2bgr48be_full_1_c;
2481  break;
2482  case AV_PIX_FMT_BGR4_BYTE:
2483  *yuv2packedX = yuv2bgr4_byte_full_X_c;
2484  *yuv2packed2 = yuv2bgr4_byte_full_2_c;
2485  *yuv2packed1 = yuv2bgr4_byte_full_1_c;
2486  break;
2487  case AV_PIX_FMT_RGB4_BYTE:
2488  *yuv2packedX = yuv2rgb4_byte_full_X_c;
2489  *yuv2packed2 = yuv2rgb4_byte_full_2_c;
2490  *yuv2packed1 = yuv2rgb4_byte_full_1_c;
2491  break;
2492  case AV_PIX_FMT_BGR8:
2493  *yuv2packedX = yuv2bgr8_full_X_c;
2494  *yuv2packed2 = yuv2bgr8_full_2_c;
2495  *yuv2packed1 = yuv2bgr8_full_1_c;
2496  break;
2497  case AV_PIX_FMT_RGB8:
2498  *yuv2packedX = yuv2rgb8_full_X_c;
2499  *yuv2packed2 = yuv2rgb8_full_2_c;
2500  *yuv2packed1 = yuv2rgb8_full_1_c;
2501  break;
2502  case AV_PIX_FMT_GBRP:
2503  case AV_PIX_FMT_GBRP9BE:
2504  case AV_PIX_FMT_GBRP9LE:
2505  case AV_PIX_FMT_GBRP10BE:
2506  case AV_PIX_FMT_GBRP10LE:
2507  case AV_PIX_FMT_GBRP12BE:
2508  case AV_PIX_FMT_GBRP12LE:
2509  case AV_PIX_FMT_GBRP14BE:
2510  case AV_PIX_FMT_GBRP14LE:
2511  case AV_PIX_FMT_GBRAP:
2512  case AV_PIX_FMT_GBRAP10BE:
2513  case AV_PIX_FMT_GBRAP10LE:
2514  case AV_PIX_FMT_GBRAP12BE:
2515  case AV_PIX_FMT_GBRAP12LE:
2516  *yuv2anyX = yuv2gbrp_full_X_c;
2517  break;
2518  case AV_PIX_FMT_GBRP16BE:
2519  case AV_PIX_FMT_GBRP16LE:
2520  case AV_PIX_FMT_GBRAP16BE:
2521  case AV_PIX_FMT_GBRAP16LE:
2522  *yuv2anyX = yuv2gbrp16_full_X_c;
2523  break;
2524  }
2525  if (!*yuv2packedX && !*yuv2anyX)
2526  goto YUV_PACKED;
2527  } else {
2528  YUV_PACKED:
2529  switch (dstFormat) {
2530  case AV_PIX_FMT_RGBA64LE:
2531 #if CONFIG_SWSCALE_ALPHA
2532  if (c->needAlpha) {
2533  *yuv2packed1 = yuv2rgba64le_1_c;
2534  *yuv2packed2 = yuv2rgba64le_2_c;
2535  *yuv2packedX = yuv2rgba64le_X_c;
2536  } else
2537 #endif /* CONFIG_SWSCALE_ALPHA */
2538  {
2539  *yuv2packed1 = yuv2rgbx64le_1_c;
2540  *yuv2packed2 = yuv2rgbx64le_2_c;
2541  *yuv2packedX = yuv2rgbx64le_X_c;
2542  }
2543  break;
2544  case AV_PIX_FMT_RGBA64BE:
2545 #if CONFIG_SWSCALE_ALPHA
2546  if (c->needAlpha) {
2547  *yuv2packed1 = yuv2rgba64be_1_c;
2548  *yuv2packed2 = yuv2rgba64be_2_c;
2549  *yuv2packedX = yuv2rgba64be_X_c;
2550  } else
2551 #endif /* CONFIG_SWSCALE_ALPHA */
2552  {
2553  *yuv2packed1 = yuv2rgbx64be_1_c;
2554  *yuv2packed2 = yuv2rgbx64be_2_c;
2555  *yuv2packedX = yuv2rgbx64be_X_c;
2556  }
2557  break;
2558  case AV_PIX_FMT_BGRA64LE:
2559 #if CONFIG_SWSCALE_ALPHA
2560  if (c->needAlpha) {
2561  *yuv2packed1 = yuv2bgra64le_1_c;
2562  *yuv2packed2 = yuv2bgra64le_2_c;
2563  *yuv2packedX = yuv2bgra64le_X_c;
2564  } else
2565 #endif /* CONFIG_SWSCALE_ALPHA */
2566  {
2567  *yuv2packed1 = yuv2bgrx64le_1_c;
2568  *yuv2packed2 = yuv2bgrx64le_2_c;
2569  *yuv2packedX = yuv2bgrx64le_X_c;
2570  }
2571  break;
2572  case AV_PIX_FMT_BGRA64BE:
2573 #if CONFIG_SWSCALE_ALPHA
2574  if (c->needAlpha) {
2575  *yuv2packed1 = yuv2bgra64be_1_c;
2576  *yuv2packed2 = yuv2bgra64be_2_c;
2577  *yuv2packedX = yuv2bgra64be_X_c;
2578  } else
2579 #endif /* CONFIG_SWSCALE_ALPHA */
2580  {
2581  *yuv2packed1 = yuv2bgrx64be_1_c;
2582  *yuv2packed2 = yuv2bgrx64be_2_c;
2583  *yuv2packedX = yuv2bgrx64be_X_c;
2584  }
2585  break;
2586  case AV_PIX_FMT_RGB48LE:
2587  *yuv2packed1 = yuv2rgb48le_1_c;
2588  *yuv2packed2 = yuv2rgb48le_2_c;
2589  *yuv2packedX = yuv2rgb48le_X_c;
2590  break;
2591  case AV_PIX_FMT_RGB48BE:
2592  *yuv2packed1 = yuv2rgb48be_1_c;
2593  *yuv2packed2 = yuv2rgb48be_2_c;
2594  *yuv2packedX = yuv2rgb48be_X_c;
2595  break;
2596  case AV_PIX_FMT_BGR48LE:
2597  *yuv2packed1 = yuv2bgr48le_1_c;
2598  *yuv2packed2 = yuv2bgr48le_2_c;
2599  *yuv2packedX = yuv2bgr48le_X_c;
2600  break;
2601  case AV_PIX_FMT_BGR48BE:
2602  *yuv2packed1 = yuv2bgr48be_1_c;
2603  *yuv2packed2 = yuv2bgr48be_2_c;
2604  *yuv2packedX = yuv2bgr48be_X_c;
2605  break;
2606  case AV_PIX_FMT_RGB32:
2607  case AV_PIX_FMT_BGR32:
2608 #if CONFIG_SMALL
2609  *yuv2packed1 = yuv2rgb32_1_c;
2610  *yuv2packed2 = yuv2rgb32_2_c;
2611  *yuv2packedX = yuv2rgb32_X_c;
2612 #else
2613 #if CONFIG_SWSCALE_ALPHA
2614  if (c->needAlpha) {
2615  *yuv2packed1 = yuv2rgba32_1_c;
2616  *yuv2packed2 = yuv2rgba32_2_c;
2617  *yuv2packedX = yuv2rgba32_X_c;
2618  } else
2619 #endif /* CONFIG_SWSCALE_ALPHA */
2620  {
2621  *yuv2packed1 = yuv2rgbx32_1_c;
2622  *yuv2packed2 = yuv2rgbx32_2_c;
2623  *yuv2packedX = yuv2rgbx32_X_c;
2624  }
2625 #endif /* !CONFIG_SMALL */
2626  break;
2627  case AV_PIX_FMT_RGB32_1:
2628  case AV_PIX_FMT_BGR32_1:
2629 #if CONFIG_SMALL
2630  *yuv2packed1 = yuv2rgb32_1_1_c;
2631  *yuv2packed2 = yuv2rgb32_1_2_c;
2632  *yuv2packedX = yuv2rgb32_1_X_c;
2633 #else
2634 #if CONFIG_SWSCALE_ALPHA
2635  if (c->needAlpha) {
2636  *yuv2packed1 = yuv2rgba32_1_1_c;
2637  *yuv2packed2 = yuv2rgba32_1_2_c;
2638  *yuv2packedX = yuv2rgba32_1_X_c;
2639  } else
2640 #endif /* CONFIG_SWSCALE_ALPHA */
2641  {
2642  *yuv2packed1 = yuv2rgbx32_1_1_c;
2643  *yuv2packed2 = yuv2rgbx32_1_2_c;
2644  *yuv2packedX = yuv2rgbx32_1_X_c;
2645  }
2646 #endif /* !CONFIG_SMALL */
2647  break;
2648  case AV_PIX_FMT_RGB24:
2649  *yuv2packed1 = yuv2rgb24_1_c;
2650  *yuv2packed2 = yuv2rgb24_2_c;
2651  *yuv2packedX = yuv2rgb24_X_c;
2652  break;
2653  case AV_PIX_FMT_BGR24:
2654  *yuv2packed1 = yuv2bgr24_1_c;
2655  *yuv2packed2 = yuv2bgr24_2_c;
2656  *yuv2packedX = yuv2bgr24_X_c;
2657  break;
2658  case AV_PIX_FMT_RGB565LE:
2659  case AV_PIX_FMT_RGB565BE:
2660  case AV_PIX_FMT_BGR565LE:
2661  case AV_PIX_FMT_BGR565BE:
2662  *yuv2packed1 = yuv2rgb16_1_c;
2663  *yuv2packed2 = yuv2rgb16_2_c;
2664  *yuv2packedX = yuv2rgb16_X_c;
2665  break;
2666  case AV_PIX_FMT_RGB555LE:
2667  case AV_PIX_FMT_RGB555BE:
2668  case AV_PIX_FMT_BGR555LE:
2669  case AV_PIX_FMT_BGR555BE:
2670  *yuv2packed1 = yuv2rgb15_1_c;
2671  *yuv2packed2 = yuv2rgb15_2_c;
2672  *yuv2packedX = yuv2rgb15_X_c;
2673  break;
2674  case AV_PIX_FMT_RGB444LE:
2675  case AV_PIX_FMT_RGB444BE:
2676  case AV_PIX_FMT_BGR444LE:
2677  case AV_PIX_FMT_BGR444BE:
2678  *yuv2packed1 = yuv2rgb12_1_c;
2679  *yuv2packed2 = yuv2rgb12_2_c;
2680  *yuv2packedX = yuv2rgb12_X_c;
2681  break;
2682  case AV_PIX_FMT_RGB8:
2683  case AV_PIX_FMT_BGR8:
2684  *yuv2packed1 = yuv2rgb8_1_c;
2685  *yuv2packed2 = yuv2rgb8_2_c;
2686  *yuv2packedX = yuv2rgb8_X_c;
2687  break;
2688  case AV_PIX_FMT_RGB4:
2689  case AV_PIX_FMT_BGR4:
2690  *yuv2packed1 = yuv2rgb4_1_c;
2691  *yuv2packed2 = yuv2rgb4_2_c;
2692  *yuv2packedX = yuv2rgb4_X_c;
2693  break;
2694  case AV_PIX_FMT_RGB4_BYTE:
2695  case AV_PIX_FMT_BGR4_BYTE:
2696  *yuv2packed1 = yuv2rgb4b_1_c;
2697  *yuv2packed2 = yuv2rgb4b_2_c;
2698  *yuv2packedX = yuv2rgb4b_X_c;
2699  break;
2700  }
2701  }
2702  switch (dstFormat) {
2703  case AV_PIX_FMT_MONOWHITE:
2704  *yuv2packed1 = yuv2monowhite_1_c;
2705  *yuv2packed2 = yuv2monowhite_2_c;
2706  *yuv2packedX = yuv2monowhite_X_c;
2707  break;
2708  case AV_PIX_FMT_MONOBLACK:
2709  *yuv2packed1 = yuv2monoblack_1_c;
2710  *yuv2packed2 = yuv2monoblack_2_c;
2711  *yuv2packedX = yuv2monoblack_X_c;
2712  break;
2713  case AV_PIX_FMT_YUYV422:
2714  *yuv2packed1 = yuv2yuyv422_1_c;
2715  *yuv2packed2 = yuv2yuyv422_2_c;
2716  *yuv2packedX = yuv2yuyv422_X_c;
2717  break;
2718  case AV_PIX_FMT_YVYU422:
2719  *yuv2packed1 = yuv2yvyu422_1_c;
2720  *yuv2packed2 = yuv2yvyu422_2_c;
2721  *yuv2packedX = yuv2yvyu422_X_c;
2722  break;
2723  case AV_PIX_FMT_UYVY422:
2724  *yuv2packed1 = yuv2uyvy422_1_c;
2725  *yuv2packed2 = yuv2uyvy422_2_c;
2726  *yuv2packedX = yuv2uyvy422_X_c;
2727  break;
2728  case AV_PIX_FMT_YA8:
2729  *yuv2packed1 = yuv2ya8_1_c;
2730  *yuv2packed2 = yuv2ya8_2_c;
2731  *yuv2packedX = yuv2ya8_X_c;
2732  break;
2733  case AV_PIX_FMT_AYUV64LE:
2734  *yuv2packedX = yuv2ayuv64le_X_c;
2735  break;
2736  }
2737 }
AV_PIX_FMT_UYVY422
packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1
Definition: pixfmt.h:77
AV_PIX_FMT_GBRAP10LE
planar GBR 4:4:4:4 40bpp, little-endian
Definition: pixfmt.h:287
NULL
#define NULL
Definition: coverity.c:32
val
const char const char void * val
Definition: avisynth_c.h:771
yuv2rgb_1_c_template
static av_always_inline void yuv2rgb_1_c_template(SwsContext *c, const int16_t *buf0, const int16_t *ubuf[2], const int16_t *vbuf[2], const int16_t *abuf0, uint8_t *dest, int dstW, int uvalpha, int y, enum AVPixelFormat target, int hasAlpha)
Definition: output.c:1545
yuv2ayuv64le_X_c
static void yuv2ayuv64le_X_c(SwsContext *c, const int16_t *lumFilter, const int16_t **_lumSrc, int lumFilterSize, const int16_t *chrFilter, const int16_t **_chrUSrc, const int16_t **_chrVSrc, int chrFilterSize, const int16_t **_alpSrc, uint8_t *dest, int dstW, int y)
Definition: output.c:2221
ff_sws_init_output_funcs
av_cold void ff_sws_init_output_funcs(SwsContext *c, yuv2planar1_fn *yuv2plane1, yuv2planarX_fn *yuv2planeX, yuv2interleavedX_fn *yuv2nv12cX, yuv2packed1_fn *yuv2packed1, yuv2packed2_fn *yuv2packed2, yuv2packedX_fn *yuv2packedX, yuv2anyX_fn *yuv2anyX)
Definition: output.c:2269
yuv2gbrp16_full_X_c
static void yuv2gbrp16_full_X_c(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrcx, int lumFilterSize, const int16_t *chrFilter, const int16_t **chrUSrcx, const int16_t **chrVSrcx, int chrFilterSize, const int16_t **alpSrcx, uint8_t **dest, int dstW, int y)
Definition: output.c:2053
shift
static int shift(int a, int b)
Definition: sonic.c:82
av_pix_fmt_desc_get
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2363
YUVRGB_TABLE_HEADROOM
#define YUVRGB_TABLE_HEADROOM
Definition: swscale_internal.h:38
X_DITHER
#define X_DITHER(u, v)
yuv2p010lX_BE_c
static void yuv2p010lX_BE_c(const int16_t *filter, int filterSize, const int16_t **src, uint8_t *dest, int dstW, const uint8_t *dither, int offset)
Definition: output.c:424
AV_PIX_FMT_YA8
8 bits gray, 8 bits alpha
Definition: pixfmt.h:139
AV_PIX_FMT_BGRA64LE
packed RGBA 16:16:16:16, 64bpp, 16B, 16G, 16R, 16A, the 2-byte value for each R/G/B/A component is st...
Definition: pixfmt.h:204
A1
#define A1
Definition: binkdsp.c:31
AV_PIX_FMT_RGB24
packed RGB 8:8:8, 24bpp, RGBRGB...
Definition: pixfmt.h:64
AV_PIX_FMT_BGR4
packed RGB 1:2:1 bitstream, 4bpp, (msb)1B 2G 1R(lsb), a byte contains two pixels, the first pixel in ...
Definition: pixfmt.h:80
g
const char * g
Definition: vf_curves.c:112
desc
const char * desc
Definition: nvenc.c:65
accumulate_bit
#define accumulate_bit(acc, val)
Definition: output.c:434
acc
int acc
Definition: yuv2rgb.c:554
yuv2rgb
static void yuv2rgb(uint8_t *out, int ridx, int Y, int U, int V)
Definition: g2meet.c:277
ff_dither_2x2_8
const uint8_t ff_dither_2x2_8[][8]
Definition: output.c:45
yuv2rgb_full_1_c_template
static av_always_inline void yuv2rgb_full_1_c_template(SwsContext *c, const int16_t *buf0, const int16_t *ubuf[2], const int16_t *vbuf[2], const int16_t *abuf0, uint8_t *dest, int dstW, int uvalpha, int y, enum AVPixelFormat target, int hasAlpha)
Definition: output.c:1890
AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:164
AV_PIX_FMT_RGB555LE
packed RGB 5:5:5, 16bpp, (msb)1X 5R 5G 5B(lsb), little-endian, X=unused/undefined ...
Definition: pixfmt.h:104
AV_PIX_FMT_BGRA64BE
packed RGBA 16:16:16:16, 64bpp, 16B, 16G, 16R, 16A, the 2-byte value for each R/G/B/A component is st...
Definition: pixfmt.h:203
b
const char * b
Definition: vf_curves.c:113
yuv2p010l1_LE_c
static void yuv2p010l1_LE_c(const int16_t *src, uint8_t *dest, int dstW, const uint8_t *dither, int offset)
Definition: output.c:403
SwsContext::table_bU
uint8_t * table_bU[256+2 *YUVRGB_TABLE_HEADROOM]
Definition: swscale_internal.h:402
av_bswap16
#define av_bswap16
Definition: bswap.h:31
is16BPS
static av_always_inline int is16BPS(enum AVPixelFormat pix_fmt)
Definition: swscale_internal.h:644
avutil.h
Convenience header that includes libavutil&#39;s core.
AV_PIX_FMT_BGR565LE
packed BGR 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), little-endian
Definition: pixfmt.h:107
AV_PIX_FMT_GBRP12LE
planar GBR 4:4:4 36bpp, little-endian
Definition: pixfmt.h:251
AV_PIX_FMT_RGB444BE
packed RGB 4:4:4, 16bpp, (msb)4X 4R 4G 4B(lsb), big-endian, X=unused/undefined
Definition: pixfmt.h:136
AV_PIX_FMT_RGB444
#define AV_PIX_FMT_RGB444
Definition: pixfmt.h:357
src
#define src
Definition: vp8dsp.c:254
AV_PIX_FMT_GBRP12BE
planar GBR 4:4:4 36bpp, big-endian
Definition: pixfmt.h:250
ff_dither_8x8_220
const uint8_t ff_dither_8x8_220[][8]
Definition: output.c:84
yuv2plane1_16_c_template
static av_always_inline void yuv2plane1_16_c_template(const int32_t *src, uint16_t *dest, int dstW, int big_endian, int output_bits)
Definition: output.c:144
r_b
#define r_b
yuv2planeX_16_c_template
static av_always_inline void yuv2planeX_16_c_template(const int16_t *filter, int filterSize, const int32_t **src, uint16_t *dest, int dstW, int big_endian, int output_bits)
Definition: output.c:158
AV_PIX_FMT_RGB4
packed RGB 1:2:1 bitstream, 4bpp, (msb)1R 2G 1B(lsb), a byte contains two pixels, the first pixel in ...
Definition: pixfmt.h:83
output_pixels
#define output_pixels(pos, Y1, U, Y2, V)
Definition: output.c:644
attributes.h
Macro definitions for various function/variable attributes.
b_r
#define b_r
AV_PIX_FMT_RGB565LE
packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), little-endian
Definition: pixfmt.h:102
AV_PIX_FMT_BGR4_BYTE
packed RGB 1:2:1, 8bpp, (msb)1B 2G 1R(lsb)
Definition: pixfmt.h:81
ff_dither_8x8_32
const uint8_t ff_dither_8x8_32[][8]
Definition: output.c:59
AV_PIX_FMT_GBRAP16BE
planar GBRA 4:4:4:4 64bpp, big-endian
Definition: pixfmt.h:212
av_assert0
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
ff_dither_2x2_4
const uint8_t ff_dither_2x2_4[][8]
Definition: output.c:39
filter
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, int clip)
Definition: cfhd.c:114
AVPixFmtDescriptor::comp
AVComponentDescriptor comp[4]
Parameters that describe how pixels are packed.
Definition: pixdesc.h:117
uint8_t
uint8_t
Definition: audio_convert.c:194
av_cold
#define av_cold
Definition: attributes.h:82
AV_PIX_FMT_FLAG_ALPHA
#define AV_PIX_FMT_FLAG_ALPHA
The pixel format has an alpha channel.
Definition: pixdesc.h:181
av_assert2
#define av_assert2(cond)
assert() equivalent, that does lie in speed critical code.
Definition: avassert.h:64
ff_dither_4x4_16
const uint8_t ff_dither_4x4_16[][8]
Definition: output.c:51
AV_PIX_FMT_RGB48LE
packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as lit...
Definition: pixfmt.h:99
Y
#define Y
Definition: vf_boxblur.c:76
AV_PIX_FMT_RGBA64BE
packed RGBA 16:16:16:16, 64bpp, 16R, 16G, 16B, 16A, the 2-byte value for each R/G/B/A component is st...
Definition: pixfmt.h:201
yuv2ya8_2_c
static void yuv2ya8_2_c(SwsContext *c, const int16_t *buf[2], const int16_t *ubuf[2], const int16_t *vbuf[2], const int16_t *abuf[2], uint8_t *dest, int dstW, int yalpha, int uvalpha, int y)
Definition: output.c:2154
AV_PIX_FMT_RGB444LE
packed RGB 4:4:4, 16bpp, (msb)4X 4R 4G 4B(lsb), little-endian, X=unused/undefined ...
Definition: pixfmt.h:135
SWS_FULL_CHR_H_INT
#define SWS_FULL_CHR_H_INT
Definition: swscale.h:79
u
#define u(width, name, range_min, range_max)
Definition: cbs_h2645.c:344
AV_PIX_FMT_RGB565BE
packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), big-endian
Definition: pixfmt.h:101
AV_PIX_FMT_ABGR
packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
Definition: pixfmt.h:90
yuv2gbrp_full_X_c
static void yuv2gbrp_full_X_c(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, const int16_t *chrFilter, const int16_t **chrUSrc, const int16_t **chrVSrc, int chrFilterSize, const int16_t **alpSrc, uint8_t **dest, int dstW, int y)
Definition: output.c:1971
yuv2422_2_c_template
static av_always_inline void yuv2422_2_c_template(SwsContext *c, const int16_t *buf[2], const int16_t *ubuf[2], const int16_t *vbuf[2], const int16_t *abuf[2], uint8_t *dest, int dstW, int yalpha, int uvalpha, int y, enum AVPixelFormat target)
Definition: output.c:702
DECLARE_ALIGNED
#define DECLARE_ALIGNED(n, t, v)
Declare a variable that is aligned in memory.
Definition: mem.h:112
AV_PIX_FMT_GBRP16BE
planar GBR 4:4:4 48bpp, big-endian
Definition: pixfmt.h:170
yuv2planar1_fn
void(* yuv2planar1_fn)(const int16_t *src, uint8_t *dest, int dstW, const uint8_t *dither, int offset)
Write one line of horizontally scaled data to planar output without any additional vertical scaling (...
Definition: swscale_internal.h:98
yuv2rgb_full_2_c_template
static av_always_inline void yuv2rgb_full_2_c_template(SwsContext *c, const int16_t *buf[2], const int16_t *ubuf[2], const int16_t *vbuf[2], const int16_t *abuf[2], uint8_t *dest, int dstW, int yalpha, int uvalpha, int y, enum AVPixelFormat target, int hasAlpha)
Definition: output.c:1845
swscale.h
external API header
yuv2rgb_full_X_c_template
static av_always_inline void yuv2rgb_full_X_c_template(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, const int16_t *chrFilter, const int16_t **chrUSrc, const int16_t **chrVSrc, int chrFilterSize, const int16_t **alpSrc, uint8_t *dest, int dstW, int y, enum AVPixelFormat target, int hasAlpha)
Definition: output.c:1795
SwsContext::dstFormat
enum AVPixelFormat dstFormat
Destination pixel format.
Definition: swscale_internal.h:300
SwsContext::table_gU
uint8_t * table_gU[256+2 *YUVRGB_TABLE_HEADROOM]
Definition: swscale_internal.h:401
yuv2p010cX_c
static void yuv2p010cX_c(SwsContext *c, const int16_t *chrFilter, int chrFilterSize, const int16_t **chrUSrc, const int16_t **chrVSrc, uint8_t *dest8, int chrDstW)
Definition: output.c:380
yuv2p010l1_c
static void yuv2p010l1_c(const int16_t *src, uint16_t *dest, int dstW, int big_endian)
Definition: output.c:350
A
#define A(x)
Definition: vp56_arith.h:28
SwsContext::dither_error
int * dither_error[4]
Definition: swscale_internal.h:415
U
#define U(x)
Definition: vp56_arith.h:37
AV_PIX_FMT_GBRP9BE
planar GBR 4:4:4 27bpp, big-endian
Definition: pixfmt.h:166
A2
#define A2
Definition: binkdsp.c:32
B_R
#define B_R
Definition: output.c:796
SWS_DITHER_X_DITHER
Definition: swscale_internal.h:71
AV_PIX_FMT_BGR32_1
#define AV_PIX_FMT_BGR32_1
Definition: pixfmt.h:345
yuv2rgba64_full_1_c_template
static av_always_inline void yuv2rgba64_full_1_c_template(SwsContext *c, const int32_t *buf0, const int32_t *ubuf[2], const int32_t *vbuf[2], const int32_t *abuf0, uint16_t *dest, int dstW, int uvalpha, int y, enum AVPixelFormat target, int hasAlpha, int eightbytes)
Definition: output.c:1171
R
#define R
Definition: huffyuvdsp.h:34
SWS_DITHER_AUTO
Definition: swscale_internal.h:67
AV_PIX_FMT_P016BE
like NV12, with 16bpp per component, big-endian
Definition: pixfmt.h:297
yuv2p010l1_BE_c
static void yuv2p010l1_BE_c(const int16_t *src, uint8_t *dest, int dstW, const uint8_t *dither, int offset)
Definition: output.c:410
d64
const uint8_t * d64
Definition: yuv2rgb.c:502
B
#define B
Definition: huffyuvdsp.h:32
AV_PIX_FMT_BGRA
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
Definition: pixfmt.h:91
r
const char * r
Definition: vf_curves.c:111
dither
static const uint8_t dither[8][8]
Definition: vf_fspp.c:57
yuv2rgba64_X_c_template
static av_always_inline void yuv2rgba64_X_c_template(SwsContext *c, const int16_t *lumFilter, const int32_t **lumSrc, int lumFilterSize, const int16_t *chrFilter, const int32_t **chrUSrc, const int32_t **chrVSrc, int chrFilterSize, const int32_t **alpSrc, uint16_t *dest, int dstW, int y, enum AVPixelFormat target, int hasAlpha, int eightbytes)
Definition: output.c:805
yuv2p010lX_LE_c
static void yuv2p010lX_LE_c(const int16_t *filter, int filterSize, const int16_t **src, uint8_t *dest, int dstW, const uint8_t *dither, int offset)
Definition: output.c:417
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:85
avassert.h
simple assert() macros that are a bit more flexible than ISO C assert().
AV_PIX_FMT_P016LE
like NV12, with 16bpp per component, little-endian
Definition: pixfmt.h:296
AV_PIX_FMT_P010BE
like NV12, with 10bpp per component, data in the high bits, zeros in the low bits, big-endian
Definition: pixfmt.h:281
yuv2planeX_10_c_template
static av_always_inline void yuv2planeX_10_c_template(const int16_t *filter, int filterSize, const int16_t **src, uint16_t *dest, int dstW, int big_endian, int output_bits)
Definition: output.c:234
offset
static const uint8_t offset[127][2]
Definition: vf_spp.c:92
yuv2NBPS
#define yuv2NBPS(bits, BE_LE, is_be, template_size, typeX_t)
Definition: output.c:254
AV_PIX_FMT_ARGB
packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
Definition: pixfmt.h:88
AV_PIX_FMT_BGR48LE
packed RGB 16:16:16, 48bpp, 16B, 16G, 16R, the 2-byte value for each R/G/B component is stored as lit...
Definition: pixfmt.h:145
AV_PIX_FMT_RGBA
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
Definition: pixfmt.h:89
yuv2mono_2_c_template
static av_always_inline void yuv2mono_2_c_template(SwsContext *c, const int16_t *buf[2], const int16_t *ubuf[2], const int16_t *vbuf[2], const int16_t *abuf[2], uint8_t *dest, int dstW, int yalpha, int uvalpha, int y, enum AVPixelFormat target)
Definition: output.c:498
yuv2422_1_c_template
static av_always_inline void yuv2422_1_c_template(SwsContext *c, const int16_t *buf0, const int16_t *ubuf[2], const int16_t *vbuf[2], const int16_t *abuf0, uint8_t *dest, int dstW, int uvalpha, int y, enum AVPixelFormat target)
Definition: output.c:735
AVPixFmtDescriptor::flags
uint64_t flags
Combination of AV_PIX_FMT_FLAG_...
Definition: pixdesc.h:106
AV_PIX_FMT_NV21
as above, but U and V bytes are swapped
Definition: pixfmt.h:86
AV_PIX_FMT_GBRAP12BE
planar GBR 4:4:4:4 48bpp, big-endian
Definition: pixfmt.h:283
AV_PIX_FMT_GBRAP10BE
planar GBR 4:4:4:4 40bpp, big-endian
Definition: pixfmt.h:286
yuv2ya8_X_c
static void yuv2ya8_X_c(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, const int16_t *chrFilter, const int16_t **chrUSrc, const int16_t **chrVSrc, int chrFilterSize, const int16_t **alpSrc, uint8_t *dest, int dstW, int y)
Definition: output.c:2185
AV_PIX_FMT_RGB4_BYTE
packed RGB 1:2:1, 8bpp, (msb)1R 2G 1B(lsb)
Definition: pixfmt.h:84
yuv2mono_1_c_template
static av_always_inline void yuv2mono_1_c_template(SwsContext *c, const int16_t *buf0, const int16_t *ubuf[2], const int16_t *vbuf[2], const int16_t *abuf0, uint8_t *dest, int dstW, int uvalpha, int y, enum AVPixelFormat target)
Definition: output.c:559
yuv2plane1_8_c
static void yuv2plane1_8_c(const int16_t *src, uint8_t *dest, int dstW, const uint8_t *dither, int offset)
Definition: output.c:296
int32_t
int32_t
Definition: audio_convert.c:194
AV_PIX_FMT_YVYU422
packed YUV 4:2:2, 16bpp, Y0 Cr Y1 Cb
Definition: pixfmt.h:206
SwsContext::table_gV
int table_gV[256+2 *YUVRGB_TABLE_HEADROOM]
Definition: swscale_internal.h:399
AV_PIX_FMT_BGR24
packed RGB 8:8:8, 24bpp, BGRBGR...
Definition: pixfmt.h:65
SwsContext::table_rV
uint8_t * table_rV[256+2 *YUVRGB_TABLE_HEADROOM]
Definition: swscale_internal.h:400
AV_PIX_FMT_P010LE
like NV12, with 10bpp per component, data in the high bits, zeros in the low bits, little-endian
Definition: pixfmt.h:280
swscale_internal.h
if
if(ret< 0)
Definition: vf_mcdeint.c:279
AV_PIX_FMT_BGR48BE
packed RGB 16:16:16, 48bpp, 16B, 16G, 16R, the 2-byte value for each R/G/B component is stored as big...
Definition: pixfmt.h:144
AV_PIX_FMT_BGR565BE
packed BGR 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), big-endian
Definition: pixfmt.h:106
AV_PIX_FMT_GBRAP12LE
planar GBR 4:4:4:4 48bpp, little-endian
Definition: pixfmt.h:284
AV_PIX_FMT_BGR555
#define AV_PIX_FMT_BGR555
Definition: pixfmt.h:361
AV_PIX_FMT_BGR32
#define AV_PIX_FMT_BGR32
Definition: pixfmt.h:344
isBE
static av_always_inline int isBE(enum AVPixelFormat pix_fmt)
Definition: swscale_internal.h:658
YUV2PACKED16WRAPPER
#define YUV2PACKED16WRAPPER(name, base, ext, fmt, hasAlpha, eightbytes)
Definition: output.c:1251
AV_PIX_FMT_BGR8
packed RGB 3:3:2, 8bpp, (msb)2B 3G 3R(lsb)
Definition: pixfmt.h:79
yuv2packedX_fn
void(* yuv2packedX_fn)(struct SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, const int16_t *chrFilter, const int16_t **chrUSrc, const int16_t **chrVSrc, int chrFilterSize, const int16_t **alpSrc, uint8_t *dest, int dstW, int y)
Write one line of horizontally scaled Y/U/V/A to packed-pixel YUV/RGB output by doing multi-point ver...
Definition: swscale_internal.h:234
yuv2mono_X_c_template
static av_always_inline void yuv2mono_X_c_template(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, const int16_t *chrFilter, const int16_t **chrUSrc, const int16_t **chrVSrc, int chrFilterSize, const int16_t **alpSrc, uint8_t *dest, int dstW, int y, enum AVPixelFormat target)
Definition: output.c:445
AVPixFmtDescriptor
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
yuv2ya8_1_c
static void yuv2ya8_1_c(SwsContext *c, const int16_t *buf0, const int16_t *ubuf[2], const int16_t *vbuf[2], const int16_t *abuf0, uint8_t *dest, int dstW, int uvalpha, int y)
Definition: output.c:2128
AV_PIX_FMT_GBRP10BE
planar GBR 4:4:4 30bpp, big-endian
Definition: pixfmt.h:168
AV_PIX_FMT_RGB32
#define AV_PIX_FMT_RGB32
Definition: pixfmt.h:342
yuv2packed1_fn
void(* yuv2packed1_fn)(struct SwsContext *c, const int16_t *lumSrc, const int16_t *chrUSrc[2], const int16_t *chrVSrc[2], const int16_t *alpSrc, uint8_t *dest, int dstW, int uvalpha, int y)
Write one line of horizontally scaled Y/U/V/A to packed-pixel YUV/RGB output without any additional v...
Definition: swscale_internal.h:169
yuv2rgb_2_c_template
static av_always_inline void yuv2rgb_2_c_template(SwsContext *c, const int16_t *buf[2], const int16_t *ubuf[2], const int16_t *vbuf[2], const int16_t *abuf[2], uint8_t *dest, int dstW, int yalpha, int uvalpha, int y, enum AVPixelFormat target, int hasAlpha)
Definition: output.c:1505
AV_PIX_FMT_YUYV422
packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr
Definition: pixfmt.h:63
AV_PIX_FMT_GBRP14LE
planar GBR 4:4:4 42bpp, little-endian
Definition: pixfmt.h:253
ff_dither_8x8_73
const uint8_t ff_dither_8x8_73[][8]
Definition: output.c:71
buf
void * buf
Definition: avisynth_c.h:690
yuv2422_X_c_template
static av_always_inline void yuv2422_X_c_template(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, const int16_t *chrFilter, const int16_t **chrUSrc, const int16_t **chrVSrc, int chrFilterSize, const int16_t **alpSrc, uint8_t *dest, int dstW, int y, enum AVPixelFormat target)
Definition: output.c:663
yuv2planarX_fn
void(* yuv2planarX_fn)(const int16_t *filter, int filterSize, const int16_t **src, uint8_t *dest, int dstW, const uint8_t *dither, int offset)
Write one line of horizontally scaled data to planar output with multi-point vertical scaling between...
Definition: swscale_internal.h:114
bswap.h
byte swapping routines
d32
const uint8_t * d32
Definition: yuv2rgb.c:501
AV_PIX_FMT_GBRP14BE
planar GBR 4:4:4 42bpp, big-endian
Definition: pixfmt.h:252
yuv2rgb_write
static av_always_inline void yuv2rgb_write(uint8_t *_dest, int i, int Y1, int Y2, unsigned A1, unsigned A2, const void *_r, const void *_g, const void *_b, int y, enum AVPixelFormat target, int hasAlpha)
Definition: output.c:1332
AV_PIX_FMT_BGR555LE
packed BGR 5:5:5, 16bpp, (msb)1X 5B 5G 5R(lsb), little-endian, X=unused/undefined ...
Definition: pixfmt.h:109
SH
#define SH(val, pdst)
Definition: generic_macros_msa.h:151
yuv2rgba64_full_X_c_template
static av_always_inline void yuv2rgba64_full_X_c_template(SwsContext *c, const int16_t *lumFilter, const int32_t **lumSrc, int lumFilterSize, const int16_t *chrFilter, const int32_t **chrUSrc, const int32_t **chrVSrc, int chrFilterSize, const int32_t **alpSrc, uint16_t *dest, int dstW, int y, enum AVPixelFormat target, int hasAlpha, int eightbytes)
Definition: output.c:1055
yuv2p010lX_c
static void yuv2p010lX_c(const int16_t *filter, int filterSize, const int16_t **src, uint16_t *dest, int dstW, int big_endian)
Definition: output.c:363
YUV2RGBWRAPPER
#define YUV2RGBWRAPPER(name, base, ext, fmt, hasAlpha)
Definition: output.c:1624
AV_PIX_FMT_BGR565
#define AV_PIX_FMT_BGR565
Definition: pixfmt.h:360
SwsContext::chrDither8
const uint8_t * chrDither8
Definition: swscale_internal.h:493
AV_PIX_FMT_RGB555BE
packed RGB 5:5:5, 16bpp, (msb)1X 5R 5G 5B(lsb), big-endian , X=unused/undefined
Definition: pixfmt.h:103
AV_PIX_FMT_BGR444BE
packed BGR 4:4:4, 16bpp, (msb)4X 4B 4G 4R(lsb), big-endian, X=unused/undefined
Definition: pixfmt.h:138
SwsContext::dither
SwsDither dither
Definition: swscale_internal.h:623
A_DITHER
#define A_DITHER(u, v)
AV_PIX_FMT_MONOBLACK
Y , 1bpp, 0 is black, 1 is white, in each byte pixels are ordered from the msb to the lsb...
Definition: pixfmt.h:72
CONFIG_SWSCALE_ALPHA
#define CONFIG_SWSCALE_ALPHA
Definition: config.h:531
AV_PIX_FMT_MONOWHITE
Y , 1bpp, 0 is white, 1 is black, in each byte pixels are ordered from the msb to the lsb...
Definition: pixfmt.h:71
G
#define G
Definition: huffyuvdsp.h:33
AV_PIX_FMT_GBRAP
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:211
yuv2rgb_X_c_template
static av_always_inline void yuv2rgb_X_c_template(SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, const int16_t *chrFilter, const int16_t **chrUSrc, const int16_t **chrVSrc, int chrFilterSize, const int16_t **alpSrc, uint8_t *dest, int dstW, int y, enum AVPixelFormat target, int hasAlpha)
Definition: output.c:1451
AV_PIX_FMT_GBRP9LE
planar GBR 4:4:4 27bpp, little-endian
Definition: pixfmt.h:167
c
static double c[64]
Definition: vsrc_mptestsrc.c:87
AV_PIX_FMT_RGB48BE
packed RGB 16:16:16, 48bpp, 16R, 16G, 16B, the 2-byte value for each R/G/B component is stored as big...
Definition: pixfmt.h:98
AV_PIX_FMT_BGR444
#define AV_PIX_FMT_BGR444
Definition: pixfmt.h:362
AV_WL16
#define AV_WL16(p, v)
Definition: intreadwrite.h:412
yuv2packed2_fn
void(* yuv2packed2_fn)(struct SwsContext *c, const int16_t *lumSrc[2], const int16_t *chrUSrc[2], const int16_t *chrVSrc[2], const int16_t *alpSrc[2], uint8_t *dest, int dstW, int yalpha, int uvalpha, int y)
Write one line of horizontally scaled Y/U/V/A to packed-pixel YUV/RGB output by doing bilinear scalin...
Definition: swscale_internal.h:202
output_pixel
#define output_pixel(pos, val, bias, signedness)
Definition: output.c:797
d128
const uint8_t * d128
Definition: yuv2rgb.c:553
AV_PIX_FMT_RGB8
packed RGB 3:3:2, 8bpp, (msb)2R 3G 3B(lsb)
Definition: pixfmt.h:82
AV_PIX_FMT_RGB555
#define AV_PIX_FMT_RGB555
Definition: pixfmt.h:356
yuv2rgb_write_full
static av_always_inline void yuv2rgb_write_full(SwsContext *c, uint8_t *dest, int i, int Y, int A, int U, int V, int y, enum AVPixelFormat target, int hasAlpha, int err[4])
Definition: output.c:1655
yuv2rgba64_full_2_c_template
static av_always_inline void yuv2rgba64_full_2_c_template(SwsContext *c, const int32_t *buf[2], const int32_t *ubuf[2], const int32_t *vbuf[2], const int32_t *abuf[2], uint16_t *dest, int dstW, int yalpha, int uvalpha, int y, enum AVPixelFormat target, int hasAlpha, int eightbytes)
Definition: output.c:1119
SWS_DITHER_ED
Definition: swscale_internal.h:69
yuv2rgba64_1_c_template
static av_always_inline void yuv2rgba64_1_c_template(SwsContext *c, const int32_t *buf0, const int32_t *ubuf[2], const int32_t *vbuf[2], const int32_t *abuf0, uint16_t *dest, int dstW, int uvalpha, int y, enum AVPixelFormat target, int hasAlpha, int eightbytes)
Definition: output.c:952
AV_PIX_FMT_RGB32_1
#define AV_PIX_FMT_RGB32_1
Definition: pixfmt.h:343
yuv2plane1_10_c_template
static av_always_inline void yuv2plane1_10_c_template(const int16_t *src, uint16_t *dest, int dstW, int big_endian, int output_bits)
Definition: output.c:221
yuv2interleavedX_fn
void(* yuv2interleavedX_fn)(struct SwsContext *c, const int16_t *chrFilter, int chrFilterSize, const int16_t **chrUSrc, const int16_t **chrVSrc, uint8_t *dest, int dstW)
Write one line of horizontally scaled chroma to interleaved output with multi-point vertical scaling ...
Definition: swscale_internal.h:133
yuv2nv12cX_c
static void yuv2nv12cX_c(SwsContext *c, const int16_t *chrFilter, int chrFilterSize, const int16_t **chrUSrc, const int16_t **chrVSrc, uint8_t *dest, int chrDstW)
Definition: output.c:306
yuv2rgba64_2_c_template
static av_always_inline void yuv2rgba64_2_c_template(SwsContext *c, const int32_t *buf[2], const int32_t *ubuf[2], const int32_t *vbuf[2], const int32_t *abuf[2], uint16_t *dest, int dstW, int yalpha, int uvalpha, int y, enum AVPixelFormat target, int hasAlpha, int eightbytes)
Definition: output.c:887
yuv2anyX_fn
void(* yuv2anyX_fn)(struct SwsContext *c, const int16_t *lumFilter, const int16_t **lumSrc, int lumFilterSize, const int16_t *chrFilter, const int16_t **chrUSrc, const int16_t **chrVSrc, int chrFilterSize, const int16_t **alpSrc, uint8_t **dest, int dstW, int y)
Write one line of horizontally scaled Y/U/V/A to YUV/RGB output by doing multi-point vertical scaling...
Definition: swscale_internal.h:268
AV_PIX_FMT_RGB565
#define AV_PIX_FMT_RGB565
Definition: pixfmt.h:355
AV_PIX_FMT_BGR555BE
packed BGR 5:5:5, 16bpp, (msb)1X 5B 5G 5R(lsb), big-endian , X=unused/undefined
Definition: pixfmt.h:108
R_B
#define R_B
Definition: output.c:795
av_always_inline
#define av_always_inline
Definition: attributes.h:39
AV_PIX_FMT_GBRP16LE
planar GBR 4:4:4 48bpp, little-endian
Definition: pixfmt.h:171
AV_PIX_FMT_BGR444LE
packed BGR 4:4:4, 16bpp, (msb)4X 4B 4G 4R(lsb), little-endian, X=unused/undefined ...
Definition: pixfmt.h:137
HAVE_BIGENDIAN
#define HAVE_BIGENDIAN
Definition: config.h:196
yuv2p016cX_c
static void yuv2p016cX_c(SwsContext *c, const int16_t *chrFilter, int chrFilterSize, const int16_t **chrUSrc, const int16_t **chrVSrc, uint8_t *dest8, int chrDstW)
Definition: output.c:183
AVComponentDescriptor::depth
int depth
Number of bits in the component.
Definition: pixdesc.h:58
AV_PIX_FMT_GBRAP16LE
planar GBRA 4:4:4:4 64bpp, little-endian
Definition: pixfmt.h:213
YUV2PACKEDWRAPPER
#define YUV2PACKEDWRAPPER(name, base, ext, fmt)
Definition: output.c:609
SwsContext::flags
int flags
Flags passed by the user to select scaler algorithm, optimizations, subsampling, etc...
Definition: swscale_internal.h:395
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60
isNBPS
static av_always_inline int isNBPS(enum AVPixelFormat pix_fmt)
Definition: swscale_internal.h:651
SWS_DITHER_A_DITHER
Definition: swscale_internal.h:70
AV_PIX_FMT_GBRP10LE
planar GBR 4:4:4 30bpp, little-endian
Definition: pixfmt.h:169
AV_PIX_FMT_RGBA64LE
packed RGBA 16:16:16:16, 64bpp, 16R, 16G, 16B, 16A, the 2-byte value for each R/G/B/A component is st...
Definition: pixfmt.h:202
AV_PIX_FMT_AYUV64LE
packed AYUV 4:4:4,64bpp (1 Cr & Cb sample per 1x1 Y & A samples), little-endian
Definition: pixfmt.h:275
V
#define V
Definition: avdct.c:30
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