FFmpeg
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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 #undef output_pixel
184 
185 #define output_pixel(pos, val) \
186  if (big_endian) { \
187  AV_WB16(pos, av_clip_uintp2(val >> shift, output_bits)); \
188  } else { \
189  AV_WL16(pos, av_clip_uintp2(val >> shift, output_bits)); \
190  }
191 
192 static av_always_inline void
193 yuv2plane1_10_c_template(const int16_t *src, uint16_t *dest, int dstW,
194  int big_endian, int output_bits)
195 {
196  int i;
197  int shift = 15 - output_bits;
198 
199  for (i = 0; i < dstW; i++) {
200  int val = src[i] + (1 << (shift - 1));
201  output_pixel(&dest[i], val);
202  }
203 }
204 
205 static av_always_inline void
206 yuv2planeX_10_c_template(const int16_t *filter, int filterSize,
207  const int16_t **src, uint16_t *dest, int dstW,
208  int big_endian, int output_bits)
209 {
210  int i;
211  int shift = 11 + 16 - output_bits;
212 
213  for (i = 0; i < dstW; i++) {
214  int val = 1 << (shift - 1);
215  int j;
216 
217  for (j = 0; j < filterSize; j++)
218  val += src[j][i] * filter[j];
219 
220  output_pixel(&dest[i], val);
221  }
222 }
223 
224 #undef output_pixel
225 
226 #define yuv2NBPS(bits, BE_LE, is_be, template_size, typeX_t) \
227 static void yuv2plane1_ ## bits ## BE_LE ## _c(const int16_t *src, \
228  uint8_t *dest, int dstW, \
229  const uint8_t *dither, int offset)\
230 { \
231  yuv2plane1_ ## template_size ## _c_template((const typeX_t *) src, \
232  (uint16_t *) dest, dstW, is_be, bits); \
233 }\
234 static void yuv2planeX_ ## bits ## BE_LE ## _c(const int16_t *filter, int filterSize, \
235  const int16_t **src, uint8_t *dest, int dstW, \
236  const uint8_t *dither, int offset)\
237 { \
238  yuv2planeX_## template_size ## _c_template(filter, \
239  filterSize, (const typeX_t **) src, \
240  (uint16_t *) dest, dstW, is_be, bits); \
241 }
242 yuv2NBPS( 9, BE, 1, 10, int16_t)
243 yuv2NBPS( 9, LE, 0, 10, int16_t)
244 yuv2NBPS(10, BE, 1, 10, int16_t)
245 yuv2NBPS(10, LE, 0, 10, int16_t)
246 yuv2NBPS(12, BE, 1, 10, int16_t)
247 yuv2NBPS(12, LE, 0, 10, int16_t)
248 yuv2NBPS(14, BE, 1, 10, int16_t)
249 yuv2NBPS(14, LE, 0, 10, int16_t)
250 yuv2NBPS(16, BE, 1, 16, int32_t)
251 yuv2NBPS(16, LE, 0, 16, int32_t)
252 
253 static void yuv2planeX_8_c(const int16_t *filter, int filterSize,
254  const int16_t **src, uint8_t *dest, int dstW,
255  const uint8_t *dither, int offset)
256 {
257  int i;
258  for (i=0; i<dstW; i++) {
259  int val = dither[(i + offset) & 7] << 12;
260  int j;
261  for (j=0; j<filterSize; j++)
262  val += src[j][i] * filter[j];
263 
264  dest[i]= av_clip_uint8(val>>19);
265  }
266 }
267 
268 static void yuv2plane1_8_c(const int16_t *src, uint8_t *dest, int dstW,
269  const uint8_t *dither, int offset)
270 {
271  int i;
272  for (i=0; i<dstW; i++) {
273  int val = (src[i] + dither[(i + offset) & 7]) >> 7;
274  dest[i]= av_clip_uint8(val);
275  }
276 }
277 
278 static void yuv2nv12cX_c(SwsContext *c, const int16_t *chrFilter, int chrFilterSize,
279  const int16_t **chrUSrc, const int16_t **chrVSrc,
280  uint8_t *dest, int chrDstW)
281 {
282  enum AVPixelFormat dstFormat = c->dstFormat;
283  const uint8_t *chrDither = c->chrDither8;
284  int i;
285 
286  if (dstFormat == AV_PIX_FMT_NV12)
287  for (i=0; i<chrDstW; i++) {
288  int u = chrDither[i & 7] << 12;
289  int v = chrDither[(i + 3) & 7] << 12;
290  int j;
291  for (j=0; j<chrFilterSize; j++) {
292  u += chrUSrc[j][i] * chrFilter[j];
293  v += chrVSrc[j][i] * chrFilter[j];
294  }
295 
296  dest[2*i]= av_clip_uint8(u>>19);
297  dest[2*i+1]= av_clip_uint8(v>>19);
298  }
299  else
300  for (i=0; i<chrDstW; i++) {
301  int u = chrDither[i & 7] << 12;
302  int v = chrDither[(i + 3) & 7] << 12;
303  int j;
304  for (j=0; j<chrFilterSize; j++) {
305  u += chrUSrc[j][i] * chrFilter[j];
306  v += chrVSrc[j][i] * chrFilter[j];
307  }
308 
309  dest[2*i]= av_clip_uint8(v>>19);
310  dest[2*i+1]= av_clip_uint8(u>>19);
311  }
312 }
313 
314 #define accumulate_bit(acc, val) \
315  acc <<= 1; \
316  acc |= (val) >= 234
317 #define output_pixel(pos, acc) \
318  if (target == AV_PIX_FMT_MONOBLACK) { \
319  pos = acc; \
320  } else { \
321  pos = ~acc; \
322  }
323 
324 static av_always_inline void
325 yuv2mono_X_c_template(SwsContext *c, const int16_t *lumFilter,
326  const int16_t **lumSrc, int lumFilterSize,
327  const int16_t *chrFilter, const int16_t **chrUSrc,
328  const int16_t **chrVSrc, int chrFilterSize,
329  const int16_t **alpSrc, uint8_t *dest, int dstW,
330  int y, enum AVPixelFormat target)
331 {
332  const uint8_t * const d128 = ff_dither_8x8_220[y&7];
333  int i;
334  unsigned acc = 0;
335  int err = 0;
336 
337  for (i = 0; i < dstW; i += 2) {
338  int j;
339  int Y1 = 1 << 18;
340  int Y2 = 1 << 18;
341 
342  for (j = 0; j < lumFilterSize; j++) {
343  Y1 += lumSrc[j][i] * lumFilter[j];
344  Y2 += lumSrc[j][i+1] * lumFilter[j];
345  }
346  Y1 >>= 19;
347  Y2 >>= 19;
348  if ((Y1 | Y2) & 0x100) {
349  Y1 = av_clip_uint8(Y1);
350  Y2 = av_clip_uint8(Y2);
351  }
352  if (c->dither == SWS_DITHER_ED) {
353  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;
354  c->dither_error[0][i] = err;
355  acc = 2*acc + (Y1 >= 128);
356  Y1 -= 220*(acc&1);
357 
358  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);
359  c->dither_error[0][i+1] = Y1;
360  acc = 2*acc + (err >= 128);
361  err -= 220*(acc&1);
362  } else {
363  accumulate_bit(acc, Y1 + d128[(i + 0) & 7]);
364  accumulate_bit(acc, Y2 + d128[(i + 1) & 7]);
365  }
366  if ((i & 7) == 6) {
367  output_pixel(*dest++, acc);
368  }
369  }
370  c->dither_error[0][i] = err;
371 
372  if (i & 6) {
373  output_pixel(*dest, acc);
374  }
375 }
376 
377 static av_always_inline void
378 yuv2mono_2_c_template(SwsContext *c, const int16_t *buf[2],
379  const int16_t *ubuf[2], const int16_t *vbuf[2],
380  const int16_t *abuf[2], uint8_t *dest, int dstW,
381  int yalpha, int uvalpha, int y,
382  enum AVPixelFormat target)
383 {
384  const int16_t *buf0 = buf[0], *buf1 = buf[1];
385  const uint8_t * const d128 = ff_dither_8x8_220[y & 7];
386  int yalpha1 = 4096 - yalpha;
387  int i;
388  av_assert2(yalpha <= 4096U);
389 
390  if (c->dither == SWS_DITHER_ED) {
391  int err = 0;
392  int acc = 0;
393  for (i = 0; i < dstW; i +=2) {
394  int Y;
395 
396  Y = (buf0[i + 0] * yalpha1 + buf1[i + 0] * yalpha) >> 19;
397  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;
398  c->dither_error[0][i] = err;
399  acc = 2*acc + (Y >= 128);
400  Y -= 220*(acc&1);
401 
402  err = (buf0[i + 1] * yalpha1 + buf1[i + 1] * yalpha) >> 19;
403  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;
404  c->dither_error[0][i+1] = Y;
405  acc = 2*acc + (err >= 128);
406  err -= 220*(acc&1);
407 
408  if ((i & 7) == 6)
409  output_pixel(*dest++, acc);
410  }
411  c->dither_error[0][i] = err;
412  } else {
413  for (i = 0; i < dstW; i += 8) {
414  int Y, acc = 0;
415 
416  Y = (buf0[i + 0] * yalpha1 + buf1[i + 0] * yalpha) >> 19;
417  accumulate_bit(acc, Y + d128[0]);
418  Y = (buf0[i + 1] * yalpha1 + buf1[i + 1] * yalpha) >> 19;
419  accumulate_bit(acc, Y + d128[1]);
420  Y = (buf0[i + 2] * yalpha1 + buf1[i + 2] * yalpha) >> 19;
421  accumulate_bit(acc, Y + d128[2]);
422  Y = (buf0[i + 3] * yalpha1 + buf1[i + 3] * yalpha) >> 19;
423  accumulate_bit(acc, Y + d128[3]);
424  Y = (buf0[i + 4] * yalpha1 + buf1[i + 4] * yalpha) >> 19;
425  accumulate_bit(acc, Y + d128[4]);
426  Y = (buf0[i + 5] * yalpha1 + buf1[i + 5] * yalpha) >> 19;
427  accumulate_bit(acc, Y + d128[5]);
428  Y = (buf0[i + 6] * yalpha1 + buf1[i + 6] * yalpha) >> 19;
429  accumulate_bit(acc, Y + d128[6]);
430  Y = (buf0[i + 7] * yalpha1 + buf1[i + 7] * yalpha) >> 19;
431  accumulate_bit(acc, Y + d128[7]);
432 
433  output_pixel(*dest++, acc);
434  }
435  }
436 }
437 
438 static av_always_inline void
439 yuv2mono_1_c_template(SwsContext *c, const int16_t *buf0,
440  const int16_t *ubuf[2], const int16_t *vbuf[2],
441  const int16_t *abuf0, uint8_t *dest, int dstW,
442  int uvalpha, int y, enum AVPixelFormat target)
443 {
444  const uint8_t * const d128 = ff_dither_8x8_220[y & 7];
445  int i;
446 
447  if (c->dither == SWS_DITHER_ED) {
448  int err = 0;
449  int acc = 0;
450  for (i = 0; i < dstW; i +=2) {
451  int Y;
452 
453  Y = ((buf0[i + 0] + 64) >> 7);
454  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;
455  c->dither_error[0][i] = err;
456  acc = 2*acc + (Y >= 128);
457  Y -= 220*(acc&1);
458 
459  err = ((buf0[i + 1] + 64) >> 7);
460  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;
461  c->dither_error[0][i+1] = Y;
462  acc = 2*acc + (err >= 128);
463  err -= 220*(acc&1);
464 
465  if ((i & 7) == 6)
466  output_pixel(*dest++, acc);
467  }
468  c->dither_error[0][i] = err;
469  } else {
470  for (i = 0; i < dstW; i += 8) {
471  int acc = 0;
472  accumulate_bit(acc, ((buf0[i + 0] + 64) >> 7) + d128[0]);
473  accumulate_bit(acc, ((buf0[i + 1] + 64) >> 7) + d128[1]);
474  accumulate_bit(acc, ((buf0[i + 2] + 64) >> 7) + d128[2]);
475  accumulate_bit(acc, ((buf0[i + 3] + 64) >> 7) + d128[3]);
476  accumulate_bit(acc, ((buf0[i + 4] + 64) >> 7) + d128[4]);
477  accumulate_bit(acc, ((buf0[i + 5] + 64) >> 7) + d128[5]);
478  accumulate_bit(acc, ((buf0[i + 6] + 64) >> 7) + d128[6]);
479  accumulate_bit(acc, ((buf0[i + 7] + 64) >> 7) + d128[7]);
480 
481  output_pixel(*dest++, acc);
482  }
483  }
484 }
485 
486 #undef output_pixel
487 #undef accumulate_bit
488 
489 #define YUV2PACKEDWRAPPER(name, base, ext, fmt) \
490 static void name ## ext ## _X_c(SwsContext *c, const int16_t *lumFilter, \
491  const int16_t **lumSrc, int lumFilterSize, \
492  const int16_t *chrFilter, const int16_t **chrUSrc, \
493  const int16_t **chrVSrc, int chrFilterSize, \
494  const int16_t **alpSrc, uint8_t *dest, int dstW, \
495  int y) \
496 { \
497  name ## base ## _X_c_template(c, lumFilter, lumSrc, lumFilterSize, \
498  chrFilter, chrUSrc, chrVSrc, chrFilterSize, \
499  alpSrc, dest, dstW, y, fmt); \
500 } \
501  \
502 static void name ## ext ## _2_c(SwsContext *c, const int16_t *buf[2], \
503  const int16_t *ubuf[2], const int16_t *vbuf[2], \
504  const int16_t *abuf[2], uint8_t *dest, int dstW, \
505  int yalpha, int uvalpha, int y) \
506 { \
507  name ## base ## _2_c_template(c, buf, ubuf, vbuf, abuf, \
508  dest, dstW, yalpha, uvalpha, y, fmt); \
509 } \
510  \
511 static void name ## ext ## _1_c(SwsContext *c, const int16_t *buf0, \
512  const int16_t *ubuf[2], const int16_t *vbuf[2], \
513  const int16_t *abuf0, uint8_t *dest, int dstW, \
514  int uvalpha, int y) \
515 { \
516  name ## base ## _1_c_template(c, buf0, ubuf, vbuf, \
517  abuf0, dest, dstW, uvalpha, \
518  y, fmt); \
519 }
520 
521 YUV2PACKEDWRAPPER(yuv2mono,, white, AV_PIX_FMT_MONOWHITE)
522 YUV2PACKEDWRAPPER(yuv2mono,, black, AV_PIX_FMT_MONOBLACK)
523 
524 #define output_pixels(pos, Y1, U, Y2, V) \
525  if (target == AV_PIX_FMT_YUYV422) { \
526  dest[pos + 0] = Y1; \
527  dest[pos + 1] = U; \
528  dest[pos + 2] = Y2; \
529  dest[pos + 3] = V; \
530  } else if (target == AV_PIX_FMT_YVYU422) { \
531  dest[pos + 0] = Y1; \
532  dest[pos + 1] = V; \
533  dest[pos + 2] = Y2; \
534  dest[pos + 3] = U; \
535  } else { /* AV_PIX_FMT_UYVY422 */ \
536  dest[pos + 0] = U; \
537  dest[pos + 1] = Y1; \
538  dest[pos + 2] = V; \
539  dest[pos + 3] = Y2; \
540  }
541 
542 static av_always_inline void
543 yuv2422_X_c_template(SwsContext *c, const int16_t *lumFilter,
544  const int16_t **lumSrc, int lumFilterSize,
545  const int16_t *chrFilter, const int16_t **chrUSrc,
546  const int16_t **chrVSrc, int chrFilterSize,
547  const int16_t **alpSrc, uint8_t *dest, int dstW,
548  int y, enum AVPixelFormat target)
549 {
550  int i;
551 
552  for (i = 0; i < ((dstW + 1) >> 1); i++) {
553  int j;
554  int Y1 = 1 << 18;
555  int Y2 = 1 << 18;
556  int U = 1 << 18;
557  int V = 1 << 18;
558 
559  for (j = 0; j < lumFilterSize; j++) {
560  Y1 += lumSrc[j][i * 2] * lumFilter[j];
561  Y2 += lumSrc[j][i * 2 + 1] * lumFilter[j];
562  }
563  for (j = 0; j < chrFilterSize; j++) {
564  U += chrUSrc[j][i] * chrFilter[j];
565  V += chrVSrc[j][i] * chrFilter[j];
566  }
567  Y1 >>= 19;
568  Y2 >>= 19;
569  U >>= 19;
570  V >>= 19;
571  if ((Y1 | Y2 | U | V) & 0x100) {
572  Y1 = av_clip_uint8(Y1);
573  Y2 = av_clip_uint8(Y2);
574  U = av_clip_uint8(U);
575  V = av_clip_uint8(V);
576  }
577  output_pixels(4*i, Y1, U, Y2, V);
578  }
579 }
580 
581 static av_always_inline void
582 yuv2422_2_c_template(SwsContext *c, const int16_t *buf[2],
583  const int16_t *ubuf[2], const int16_t *vbuf[2],
584  const int16_t *abuf[2], uint8_t *dest, int dstW,
585  int yalpha, int uvalpha, int y,
586  enum AVPixelFormat target)
587 {
588  const int16_t *buf0 = buf[0], *buf1 = buf[1],
589  *ubuf0 = ubuf[0], *ubuf1 = ubuf[1],
590  *vbuf0 = vbuf[0], *vbuf1 = vbuf[1];
591  int yalpha1 = 4096 - yalpha;
592  int uvalpha1 = 4096 - uvalpha;
593  int i;
594  av_assert2(yalpha <= 4096U);
595  av_assert2(uvalpha <= 4096U);
596 
597  for (i = 0; i < ((dstW + 1) >> 1); i++) {
598  int Y1 = (buf0[i * 2] * yalpha1 + buf1[i * 2] * yalpha) >> 19;
599  int Y2 = (buf0[i * 2 + 1] * yalpha1 + buf1[i * 2 + 1] * yalpha) >> 19;
600  int U = (ubuf0[i] * uvalpha1 + ubuf1[i] * uvalpha) >> 19;
601  int V = (vbuf0[i] * uvalpha1 + vbuf1[i] * uvalpha) >> 19;
602 
603  if ((Y1 | Y2 | U | V) & 0x100) {
604  Y1 = av_clip_uint8(Y1);
605  Y2 = av_clip_uint8(Y2);
606  U = av_clip_uint8(U);
607  V = av_clip_uint8(V);
608  }
609 
610  output_pixels(i * 4, Y1, U, Y2, V);
611  }
612 }
613 
614 static av_always_inline void
615 yuv2422_1_c_template(SwsContext *c, const int16_t *buf0,
616  const int16_t *ubuf[2], const int16_t *vbuf[2],
617  const int16_t *abuf0, uint8_t *dest, int dstW,
618  int uvalpha, int y, enum AVPixelFormat target)
619 {
620  const int16_t *ubuf0 = ubuf[0], *vbuf0 = vbuf[0];
621  int i;
622 
623  if (uvalpha < 2048) {
624  for (i = 0; i < ((dstW + 1) >> 1); i++) {
625  int Y1 = (buf0[i * 2 ]+64) >> 7;
626  int Y2 = (buf0[i * 2 + 1]+64) >> 7;
627  int U = (ubuf0[i] +64) >> 7;
628  int V = (vbuf0[i] +64) >> 7;
629 
630  if ((Y1 | Y2 | U | V) & 0x100) {
631  Y1 = av_clip_uint8(Y1);
632  Y2 = av_clip_uint8(Y2);
633  U = av_clip_uint8(U);
634  V = av_clip_uint8(V);
635  }
636 
637  Y1 = av_clip_uint8(Y1);
638  Y2 = av_clip_uint8(Y2);
639  U = av_clip_uint8(U);
640  V = av_clip_uint8(V);
641 
642  output_pixels(i * 4, Y1, U, Y2, V);
643  }
644  } else {
645  const int16_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];
646  for (i = 0; i < ((dstW + 1) >> 1); i++) {
647  int Y1 = (buf0[i * 2 ] + 64) >> 7;
648  int Y2 = (buf0[i * 2 + 1] + 64) >> 7;
649  int U = (ubuf0[i] + ubuf1[i]+128) >> 8;
650  int V = (vbuf0[i] + vbuf1[i]+128) >> 8;
651 
652  if ((Y1 | Y2 | U | V) & 0x100) {
653  Y1 = av_clip_uint8(Y1);
654  Y2 = av_clip_uint8(Y2);
655  U = av_clip_uint8(U);
656  V = av_clip_uint8(V);
657  }
658 
659  Y1 = av_clip_uint8(Y1);
660  Y2 = av_clip_uint8(Y2);
661  U = av_clip_uint8(U);
662  V = av_clip_uint8(V);
663 
664  output_pixels(i * 4, Y1, U, Y2, V);
665  }
666  }
667 }
668 
669 #undef output_pixels
670 
671 YUV2PACKEDWRAPPER(yuv2, 422, yuyv422, AV_PIX_FMT_YUYV422)
672 YUV2PACKEDWRAPPER(yuv2, 422, yvyu422, AV_PIX_FMT_YVYU422)
673 YUV2PACKEDWRAPPER(yuv2, 422, uyvy422, AV_PIX_FMT_UYVY422)
674 
675 #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)
676 #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)
677 #define output_pixel(pos, val) \
678  if (isBE(target)) { \
679  AV_WB16(pos, val); \
680  } else { \
681  AV_WL16(pos, val); \
682  }
683 
684 static av_always_inline void
685 yuv2rgba64_X_c_template(SwsContext *c, const int16_t *lumFilter,
686  const int32_t **lumSrc, int lumFilterSize,
687  const int16_t *chrFilter, const int32_t **chrUSrc,
688  const int32_t **chrVSrc, int chrFilterSize,
689  const int32_t **alpSrc, uint16_t *dest, int dstW,
690  int y, enum AVPixelFormat target, int hasAlpha, int eightbytes)
691 {
692  int i;
693  int A1 = 0xffff<<14, A2 = 0xffff<<14;
694 
695  for (i = 0; i < ((dstW + 1) >> 1); i++) {
696  int j;
697  int Y1 = -0x40000000;
698  int Y2 = -0x40000000;
699  int U = -(128 << 23); // 19
700  int V = -(128 << 23);
701  int R, G, B;
702 
703  for (j = 0; j < lumFilterSize; j++) {
704  Y1 += lumSrc[j][i * 2] * (unsigned)lumFilter[j];
705  Y2 += lumSrc[j][i * 2 + 1] * (unsigned)lumFilter[j];
706  }
707  for (j = 0; j < chrFilterSize; j++) {;
708  U += chrUSrc[j][i] * (unsigned)chrFilter[j];
709  V += chrVSrc[j][i] * (unsigned)chrFilter[j];
710  }
711 
712  if (hasAlpha) {
713  A1 = -0x40000000;
714  A2 = -0x40000000;
715  for (j = 0; j < lumFilterSize; j++) {
716  A1 += alpSrc[j][i * 2] * (unsigned)lumFilter[j];
717  A2 += alpSrc[j][i * 2 + 1] * (unsigned)lumFilter[j];
718  }
719  A1 >>= 1;
720  A1 += 0x20002000;
721  A2 >>= 1;
722  A2 += 0x20002000;
723  }
724 
725  // 8bit: 12+15=27; 16-bit: 12+19=31
726  Y1 >>= 14; // 10
727  Y1 += 0x10000;
728  Y2 >>= 14;
729  Y2 += 0x10000;
730  U >>= 14;
731  V >>= 14;
732 
733  // 8bit: 27 -> 17bit, 16bit: 31 - 14 = 17bit
734  Y1 -= c->yuv2rgb_y_offset;
735  Y2 -= c->yuv2rgb_y_offset;
736  Y1 *= c->yuv2rgb_y_coeff;
737  Y2 *= c->yuv2rgb_y_coeff;
738  Y1 += 1 << 13; // 21
739  Y2 += 1 << 13;
740  // 8bit: 17 + 13bit = 30bit, 16bit: 17 + 13bit = 30bit
741 
742  R = V * c->yuv2rgb_v2r_coeff;
743  G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;
744  B = U * c->yuv2rgb_u2b_coeff;
745 
746  // 8bit: 30 - 22 = 8bit, 16bit: 30bit - 14 = 16bit
747  output_pixel(&dest[0], av_clip_uintp2(R_B + Y1, 30) >> 14);
748  output_pixel(&dest[1], av_clip_uintp2( G + Y1, 30) >> 14);
749  output_pixel(&dest[2], av_clip_uintp2(B_R + Y1, 30) >> 14);
750  if (eightbytes) {
751  output_pixel(&dest[3], av_clip_uintp2(A1 , 30) >> 14);
752  output_pixel(&dest[4], av_clip_uintp2(R_B + Y2, 30) >> 14);
753  output_pixel(&dest[5], av_clip_uintp2( G + Y2, 30) >> 14);
754  output_pixel(&dest[6], av_clip_uintp2(B_R + Y2, 30) >> 14);
755  output_pixel(&dest[7], av_clip_uintp2(A2 , 30) >> 14);
756  dest += 8;
757  } else {
758  output_pixel(&dest[3], av_clip_uintp2(R_B + Y2, 30) >> 14);
759  output_pixel(&dest[4], av_clip_uintp2( G + Y2, 30) >> 14);
760  output_pixel(&dest[5], av_clip_uintp2(B_R + Y2, 30) >> 14);
761  dest += 6;
762  }
763  }
764 }
765 
766 static av_always_inline void
767 yuv2rgba64_2_c_template(SwsContext *c, const int32_t *buf[2],
768  const int32_t *ubuf[2], const int32_t *vbuf[2],
769  const int32_t *abuf[2], uint16_t *dest, int dstW,
770  int yalpha, int uvalpha, int y,
771  enum AVPixelFormat target, int hasAlpha, int eightbytes)
772 {
773  const int32_t *buf0 = buf[0], *buf1 = buf[1],
774  *ubuf0 = ubuf[0], *ubuf1 = ubuf[1],
775  *vbuf0 = vbuf[0], *vbuf1 = vbuf[1],
776  *abuf0 = hasAlpha ? abuf[0] : NULL,
777  *abuf1 = hasAlpha ? abuf[1] : NULL;
778  int yalpha1 = 4096 - yalpha;
779  int uvalpha1 = 4096 - uvalpha;
780  int i;
781  int A1 = 0xffff<<14, A2 = 0xffff<<14;
782 
783  av_assert2(yalpha <= 4096U);
784  av_assert2(uvalpha <= 4096U);
785 
786  for (i = 0; i < ((dstW + 1) >> 1); i++) {
787  int Y1 = (buf0[i * 2] * yalpha1 + buf1[i * 2] * yalpha) >> 14;
788  int Y2 = (buf0[i * 2 + 1] * yalpha1 + buf1[i * 2 + 1] * yalpha) >> 14;
789  int U = (ubuf0[i] * uvalpha1 + ubuf1[i] * uvalpha - (128 << 23)) >> 14;
790  int V = (vbuf0[i] * uvalpha1 + vbuf1[i] * uvalpha - (128 << 23)) >> 14;
791  int R, G, B;
792 
793  Y1 -= c->yuv2rgb_y_offset;
794  Y2 -= c->yuv2rgb_y_offset;
795  Y1 *= c->yuv2rgb_y_coeff;
796  Y2 *= c->yuv2rgb_y_coeff;
797  Y1 += 1 << 13;
798  Y2 += 1 << 13;
799 
800  R = V * c->yuv2rgb_v2r_coeff;
801  G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;
802  B = U * c->yuv2rgb_u2b_coeff;
803 
804  if (hasAlpha) {
805  A1 = (abuf0[i * 2 ] * yalpha1 + abuf1[i * 2 ] * yalpha) >> 1;
806  A2 = (abuf0[i * 2 + 1] * yalpha1 + abuf1[i * 2 + 1] * yalpha) >> 1;
807 
808  A1 += 1 << 13;
809  A2 += 1 << 13;
810  }
811 
812  output_pixel(&dest[0], av_clip_uintp2(R_B + Y1, 30) >> 14);
813  output_pixel(&dest[1], av_clip_uintp2( G + Y1, 30) >> 14);
814  output_pixel(&dest[2], av_clip_uintp2(B_R + Y1, 30) >> 14);
815  if (eightbytes) {
816  output_pixel(&dest[3], av_clip_uintp2(A1 , 30) >> 14);
817  output_pixel(&dest[4], av_clip_uintp2(R_B + Y2, 30) >> 14);
818  output_pixel(&dest[5], av_clip_uintp2( G + Y2, 30) >> 14);
819  output_pixel(&dest[6], av_clip_uintp2(B_R + Y2, 30) >> 14);
820  output_pixel(&dest[7], av_clip_uintp2(A2 , 30) >> 14);
821  dest += 8;
822  } else {
823  output_pixel(&dest[3], av_clip_uintp2(R_B + Y2, 30) >> 14);
824  output_pixel(&dest[4], av_clip_uintp2( G + Y2, 30) >> 14);
825  output_pixel(&dest[5], av_clip_uintp2(B_R + Y2, 30) >> 14);
826  dest += 6;
827  }
828  }
829 }
830 
831 static av_always_inline void
832 yuv2rgba64_1_c_template(SwsContext *c, const int32_t *buf0,
833  const int32_t *ubuf[2], const int32_t *vbuf[2],
834  const int32_t *abuf0, uint16_t *dest, int dstW,
835  int uvalpha, int y, enum AVPixelFormat target, int hasAlpha, int eightbytes)
836 {
837  const int32_t *ubuf0 = ubuf[0], *vbuf0 = vbuf[0];
838  int i;
839  int A1 = 0xffff<<14, A2= 0xffff<<14;
840 
841  if (uvalpha < 2048) {
842  for (i = 0; i < ((dstW + 1) >> 1); i++) {
843  int Y1 = (buf0[i * 2] ) >> 2;
844  int Y2 = (buf0[i * 2 + 1]) >> 2;
845  int U = (ubuf0[i] - (128 << 11)) >> 2;
846  int V = (vbuf0[i] - (128 << 11)) >> 2;
847  int R, G, B;
848 
849  Y1 -= c->yuv2rgb_y_offset;
850  Y2 -= c->yuv2rgb_y_offset;
851  Y1 *= c->yuv2rgb_y_coeff;
852  Y2 *= c->yuv2rgb_y_coeff;
853  Y1 += 1 << 13;
854  Y2 += 1 << 13;
855 
856  if (hasAlpha) {
857  A1 = abuf0[i * 2 ] << 11;
858  A2 = abuf0[i * 2 + 1] << 11;
859 
860  A1 += 1 << 13;
861  A2 += 1 << 13;
862  }
863 
864  R = V * c->yuv2rgb_v2r_coeff;
865  G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;
866  B = U * c->yuv2rgb_u2b_coeff;
867 
868  output_pixel(&dest[0], av_clip_uintp2(R_B + Y1, 30) >> 14);
869  output_pixel(&dest[1], av_clip_uintp2( G + Y1, 30) >> 14);
870  output_pixel(&dest[2], av_clip_uintp2(B_R + Y1, 30) >> 14);
871  if (eightbytes) {
872  output_pixel(&dest[3], av_clip_uintp2(A1 , 30) >> 14);
873  output_pixel(&dest[4], av_clip_uintp2(R_B + Y2, 30) >> 14);
874  output_pixel(&dest[5], av_clip_uintp2( G + Y2, 30) >> 14);
875  output_pixel(&dest[6], av_clip_uintp2(B_R + Y2, 30) >> 14);
876  output_pixel(&dest[7], av_clip_uintp2(A2 , 30) >> 14);
877  dest += 8;
878  } else {
879  output_pixel(&dest[3], av_clip_uintp2(R_B + Y2, 30) >> 14);
880  output_pixel(&dest[4], av_clip_uintp2( G + Y2, 30) >> 14);
881  output_pixel(&dest[5], av_clip_uintp2(B_R + Y2, 30) >> 14);
882  dest += 6;
883  }
884  }
885  } else {
886  const int32_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];
887  int A1 = 0xffff<<14, A2 = 0xffff<<14;
888  for (i = 0; i < ((dstW + 1) >> 1); i++) {
889  int Y1 = (buf0[i * 2] ) >> 2;
890  int Y2 = (buf0[i * 2 + 1]) >> 2;
891  int U = (ubuf0[i] + ubuf1[i] - (128 << 12)) >> 3;
892  int V = (vbuf0[i] + vbuf1[i] - (128 << 12)) >> 3;
893  int R, G, B;
894 
895  Y1 -= c->yuv2rgb_y_offset;
896  Y2 -= c->yuv2rgb_y_offset;
897  Y1 *= c->yuv2rgb_y_coeff;
898  Y2 *= c->yuv2rgb_y_coeff;
899  Y1 += 1 << 13;
900  Y2 += 1 << 13;
901 
902  if (hasAlpha) {
903  A1 = abuf0[i * 2 ] << 11;
904  A2 = abuf0[i * 2 + 1] << 11;
905 
906  A1 += 1 << 13;
907  A2 += 1 << 13;
908  }
909 
910  R = V * c->yuv2rgb_v2r_coeff;
911  G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;
912  B = U * c->yuv2rgb_u2b_coeff;
913 
914  output_pixel(&dest[0], av_clip_uintp2(R_B + Y1, 30) >> 14);
915  output_pixel(&dest[1], av_clip_uintp2( G + Y1, 30) >> 14);
916  output_pixel(&dest[2], av_clip_uintp2(B_R + Y1, 30) >> 14);
917  if (eightbytes) {
918  output_pixel(&dest[3], av_clip_uintp2(A1 , 30) >> 14);
919  output_pixel(&dest[4], av_clip_uintp2(R_B + Y2, 30) >> 14);
920  output_pixel(&dest[5], av_clip_uintp2( G + Y2, 30) >> 14);
921  output_pixel(&dest[6], av_clip_uintp2(B_R + Y2, 30) >> 14);
922  output_pixel(&dest[7], av_clip_uintp2(A2 , 30) >> 14);
923  dest += 8;
924  } else {
925  output_pixel(&dest[3], av_clip_uintp2(R_B + Y2, 30) >> 14);
926  output_pixel(&dest[4], av_clip_uintp2( G + Y2, 30) >> 14);
927  output_pixel(&dest[5], av_clip_uintp2(B_R + Y2, 30) >> 14);
928  dest += 6;
929  }
930  }
931  }
932 }
933 
934 static av_always_inline void
935 yuv2rgba64_full_X_c_template(SwsContext *c, const int16_t *lumFilter,
936  const int32_t **lumSrc, int lumFilterSize,
937  const int16_t *chrFilter, const int32_t **chrUSrc,
938  const int32_t **chrVSrc, int chrFilterSize,
939  const int32_t **alpSrc, uint16_t *dest, int dstW,
940  int y, enum AVPixelFormat target, int hasAlpha, int eightbytes)
941 {
942  int i;
943  int A = 0xffff<<14;
944 
945  for (i = 0; i < dstW; i++) {
946  int j;
947  int Y = -0x40000000;
948  int U = -(128 << 23); // 19
949  int V = -(128 << 23);
950  int R, G, B;
951 
952  for (j = 0; j < lumFilterSize; j++) {
953  Y += lumSrc[j][i] * (unsigned)lumFilter[j];
954  }
955  for (j = 0; j < chrFilterSize; j++) {;
956  U += chrUSrc[j][i] * (unsigned)chrFilter[j];
957  V += chrVSrc[j][i] * (unsigned)chrFilter[j];
958  }
959 
960  if (hasAlpha) {
961  A = -0x40000000;
962  for (j = 0; j < lumFilterSize; j++) {
963  A += alpSrc[j][i] * (unsigned)lumFilter[j];
964  }
965  A >>= 1;
966  A += 0x20002000;
967  }
968 
969  // 8bit: 12+15=27; 16-bit: 12+19=31
970  Y >>= 14; // 10
971  Y += 0x10000;
972  U >>= 14;
973  V >>= 14;
974 
975  // 8bit: 27 -> 17bit, 16bit: 31 - 14 = 17bit
976  Y -= c->yuv2rgb_y_offset;
977  Y *= c->yuv2rgb_y_coeff;
978  Y += 1 << 13; // 21
979  // 8bit: 17 + 13bit = 30bit, 16bit: 17 + 13bit = 30bit
980 
981  R = V * c->yuv2rgb_v2r_coeff;
982  G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;
983  B = U * c->yuv2rgb_u2b_coeff;
984 
985  // 8bit: 30 - 22 = 8bit, 16bit: 30bit - 14 = 16bit
986  output_pixel(&dest[0], av_clip_uintp2(R_B + Y, 30) >> 14);
987  output_pixel(&dest[1], av_clip_uintp2( G + Y, 30) >> 14);
988  output_pixel(&dest[2], av_clip_uintp2(B_R + Y, 30) >> 14);
989  if (eightbytes) {
990  output_pixel(&dest[3], av_clip_uintp2(A, 30) >> 14);
991  dest += 4;
992  } else {
993  dest += 3;
994  }
995  }
996 }
997 
998 static av_always_inline void
999 yuv2rgba64_full_2_c_template(SwsContext *c, const int32_t *buf[2],
1000  const int32_t *ubuf[2], const int32_t *vbuf[2],
1001  const int32_t *abuf[2], uint16_t *dest, int dstW,
1002  int yalpha, int uvalpha, int y,
1003  enum AVPixelFormat target, int hasAlpha, int eightbytes)
1004 {
1005  const int32_t *buf0 = buf[0], *buf1 = buf[1],
1006  *ubuf0 = ubuf[0], *ubuf1 = ubuf[1],
1007  *vbuf0 = vbuf[0], *vbuf1 = vbuf[1],
1008  *abuf0 = hasAlpha ? abuf[0] : NULL,
1009  *abuf1 = hasAlpha ? abuf[1] : NULL;
1010  int yalpha1 = 4096 - yalpha;
1011  int uvalpha1 = 4096 - uvalpha;
1012  int i;
1013  int A = 0xffff<<14;
1014 
1015  av_assert2(yalpha <= 4096U);
1016  av_assert2(uvalpha <= 4096U);
1017 
1018  for (i = 0; i < dstW; i++) {
1019  int Y = (buf0[i] * yalpha1 + buf1[i] * yalpha) >> 14;
1020  int U = (ubuf0[i] * uvalpha1 + ubuf1[i] * uvalpha - (128 << 23)) >> 14;
1021  int V = (vbuf0[i] * uvalpha1 + vbuf1[i] * uvalpha - (128 << 23)) >> 14;
1022  int R, G, B;
1023 
1024  Y -= c->yuv2rgb_y_offset;
1025  Y *= c->yuv2rgb_y_coeff;
1026  Y += 1 << 13;
1027 
1028  R = V * c->yuv2rgb_v2r_coeff;
1029  G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;
1030  B = U * c->yuv2rgb_u2b_coeff;
1031 
1032  if (hasAlpha) {
1033  A = (abuf0[i] * yalpha1 + abuf1[i] * yalpha) >> 1;
1034 
1035  A += 1 << 13;
1036  }
1037 
1038  output_pixel(&dest[0], av_clip_uintp2(R_B + Y, 30) >> 14);
1039  output_pixel(&dest[1], av_clip_uintp2( G + Y, 30) >> 14);
1040  output_pixel(&dest[2], av_clip_uintp2(B_R + Y, 30) >> 14);
1041  if (eightbytes) {
1042  output_pixel(&dest[3], av_clip_uintp2(A, 30) >> 14);
1043  dest += 4;
1044  } else {
1045  dest += 3;
1046  }
1047  }
1048 }
1049 
1050 static av_always_inline void
1051 yuv2rgba64_full_1_c_template(SwsContext *c, const int32_t *buf0,
1052  const int32_t *ubuf[2], const int32_t *vbuf[2],
1053  const int32_t *abuf0, uint16_t *dest, int dstW,
1054  int uvalpha, int y, enum AVPixelFormat target, int hasAlpha, int eightbytes)
1055 {
1056  const int32_t *ubuf0 = ubuf[0], *vbuf0 = vbuf[0];
1057  int i;
1058  int A = 0xffff<<14;
1059 
1060  if (uvalpha < 2048) {
1061  for (i = 0; i < dstW; i++) {
1062  int Y = (buf0[i]) >> 2;
1063  int U = (ubuf0[i] - (128 << 11)) >> 2;
1064  int V = (vbuf0[i] - (128 << 11)) >> 2;
1065  int R, G, B;
1066 
1067  Y -= c->yuv2rgb_y_offset;
1068  Y *= c->yuv2rgb_y_coeff;
1069  Y += 1 << 13;
1070 
1071  if (hasAlpha) {
1072  A = abuf0[i] << 11;
1073 
1074  A += 1 << 13;
1075  }
1076 
1077  R = V * c->yuv2rgb_v2r_coeff;
1078  G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;
1079  B = U * c->yuv2rgb_u2b_coeff;
1080 
1081  output_pixel(&dest[0], av_clip_uintp2(R_B + Y, 30) >> 14);
1082  output_pixel(&dest[1], av_clip_uintp2( G + Y, 30) >> 14);
1083  output_pixel(&dest[2], av_clip_uintp2(B_R + Y, 30) >> 14);
1084  if (eightbytes) {
1085  output_pixel(&dest[3], av_clip_uintp2(A, 30) >> 14);
1086  dest += 4;
1087  } else {
1088  dest += 3;
1089  }
1090  }
1091  } else {
1092  const int32_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];
1093  int A = 0xffff<<14;
1094  for (i = 0; i < dstW; i++) {
1095  int Y = (buf0[i] ) >> 2;
1096  int U = (ubuf0[i] + ubuf1[i] - (128 << 12)) >> 3;
1097  int V = (vbuf0[i] + vbuf1[i] - (128 << 12)) >> 3;
1098  int R, G, B;
1099 
1100  Y -= c->yuv2rgb_y_offset;
1101  Y *= c->yuv2rgb_y_coeff;
1102  Y += 1 << 13;
1103 
1104  if (hasAlpha) {
1105  A = abuf0[i] << 11;
1106 
1107  A += 1 << 13;
1108  }
1109 
1110  R = V * c->yuv2rgb_v2r_coeff;
1111  G = V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;
1112  B = U * c->yuv2rgb_u2b_coeff;
1113 
1114  output_pixel(&dest[0], av_clip_uintp2(R_B + Y, 30) >> 14);
1115  output_pixel(&dest[1], av_clip_uintp2( G + Y, 30) >> 14);
1116  output_pixel(&dest[2], av_clip_uintp2(B_R + Y, 30) >> 14);
1117  if (eightbytes) {
1118  output_pixel(&dest[3], av_clip_uintp2(A, 30) >> 14);
1119  dest += 4;
1120  } else {
1121  dest += 3;
1122  }
1123  }
1124  }
1125 }
1126 
1127 #undef output_pixel
1128 #undef r_b
1129 #undef b_r
1130 
1131 #define YUV2PACKED16WRAPPER(name, base, ext, fmt, hasAlpha, eightbytes) \
1132 static void name ## ext ## _X_c(SwsContext *c, const int16_t *lumFilter, \
1133  const int16_t **_lumSrc, int lumFilterSize, \
1134  const int16_t *chrFilter, const int16_t **_chrUSrc, \
1135  const int16_t **_chrVSrc, int chrFilterSize, \
1136  const int16_t **_alpSrc, uint8_t *_dest, int dstW, \
1137  int y) \
1138 { \
1139  const int32_t **lumSrc = (const int32_t **) _lumSrc, \
1140  **chrUSrc = (const int32_t **) _chrUSrc, \
1141  **chrVSrc = (const int32_t **) _chrVSrc, \
1142  **alpSrc = (const int32_t **) _alpSrc; \
1143  uint16_t *dest = (uint16_t *) _dest; \
1144  name ## base ## _X_c_template(c, lumFilter, lumSrc, lumFilterSize, \
1145  chrFilter, chrUSrc, chrVSrc, chrFilterSize, \
1146  alpSrc, dest, dstW, y, fmt, hasAlpha, eightbytes); \
1147 } \
1148  \
1149 static void name ## ext ## _2_c(SwsContext *c, const int16_t *_buf[2], \
1150  const int16_t *_ubuf[2], const int16_t *_vbuf[2], \
1151  const int16_t *_abuf[2], uint8_t *_dest, int dstW, \
1152  int yalpha, int uvalpha, int y) \
1153 { \
1154  const int32_t **buf = (const int32_t **) _buf, \
1155  **ubuf = (const int32_t **) _ubuf, \
1156  **vbuf = (const int32_t **) _vbuf, \
1157  **abuf = (const int32_t **) _abuf; \
1158  uint16_t *dest = (uint16_t *) _dest; \
1159  name ## base ## _2_c_template(c, buf, ubuf, vbuf, abuf, \
1160  dest, dstW, yalpha, uvalpha, y, fmt, hasAlpha, eightbytes); \
1161 } \
1162  \
1163 static void name ## ext ## _1_c(SwsContext *c, const int16_t *_buf0, \
1164  const int16_t *_ubuf[2], const int16_t *_vbuf[2], \
1165  const int16_t *_abuf0, uint8_t *_dest, int dstW, \
1166  int uvalpha, int y) \
1167 { \
1168  const int32_t *buf0 = (const int32_t *) _buf0, \
1169  **ubuf = (const int32_t **) _ubuf, \
1170  **vbuf = (const int32_t **) _vbuf, \
1171  *abuf0 = (const int32_t *) _abuf0; \
1172  uint16_t *dest = (uint16_t *) _dest; \
1173  name ## base ## _1_c_template(c, buf0, ubuf, vbuf, abuf0, dest, \
1174  dstW, uvalpha, y, fmt, hasAlpha, eightbytes); \
1175 }
1176 
1177 YUV2PACKED16WRAPPER(yuv2, rgba64, rgb48be, AV_PIX_FMT_RGB48BE, 0, 0)
1178 YUV2PACKED16WRAPPER(yuv2, rgba64, rgb48le, AV_PIX_FMT_RGB48LE, 0, 0)
1179 YUV2PACKED16WRAPPER(yuv2, rgba64, bgr48be, AV_PIX_FMT_BGR48BE, 0, 0)
1180 YUV2PACKED16WRAPPER(yuv2, rgba64, bgr48le, AV_PIX_FMT_BGR48LE, 0, 0)
1181 YUV2PACKED16WRAPPER(yuv2, rgba64, rgba64be, AV_PIX_FMT_RGBA64BE, 1, 1)
1182 YUV2PACKED16WRAPPER(yuv2, rgba64, rgba64le, AV_PIX_FMT_RGBA64LE, 1, 1)
1183 YUV2PACKED16WRAPPER(yuv2, rgba64, rgbx64be, AV_PIX_FMT_RGBA64BE, 0, 1)
1184 YUV2PACKED16WRAPPER(yuv2, rgba64, rgbx64le, AV_PIX_FMT_RGBA64LE, 0, 1)
1185 YUV2PACKED16WRAPPER(yuv2, rgba64, bgra64be, AV_PIX_FMT_BGRA64BE, 1, 1)
1186 YUV2PACKED16WRAPPER(yuv2, rgba64, bgra64le, AV_PIX_FMT_BGRA64LE, 1, 1)
1187 YUV2PACKED16WRAPPER(yuv2, rgba64, bgrx64be, AV_PIX_FMT_BGRA64BE, 0, 1)
1188 YUV2PACKED16WRAPPER(yuv2, rgba64, bgrx64le, AV_PIX_FMT_BGRA64LE, 0, 1)
1189 
1190 YUV2PACKED16WRAPPER(yuv2, rgba64_full, rgb48be_full, AV_PIX_FMT_RGB48BE, 0, 0)
1191 YUV2PACKED16WRAPPER(yuv2, rgba64_full, rgb48le_full, AV_PIX_FMT_RGB48LE, 0, 0)
1192 YUV2PACKED16WRAPPER(yuv2, rgba64_full, bgr48be_full, AV_PIX_FMT_BGR48BE, 0, 0)
1193 YUV2PACKED16WRAPPER(yuv2, rgba64_full, bgr48le_full, AV_PIX_FMT_BGR48LE, 0, 0)
1194 YUV2PACKED16WRAPPER(yuv2, rgba64_full, rgba64be_full, AV_PIX_FMT_RGBA64BE, 1, 1)
1195 YUV2PACKED16WRAPPER(yuv2, rgba64_full, rgba64le_full, AV_PIX_FMT_RGBA64LE, 1, 1)
1196 YUV2PACKED16WRAPPER(yuv2, rgba64_full, rgbx64be_full, AV_PIX_FMT_RGBA64BE, 0, 1)
1197 YUV2PACKED16WRAPPER(yuv2, rgba64_full, rgbx64le_full, AV_PIX_FMT_RGBA64LE, 0, 1)
1198 YUV2PACKED16WRAPPER(yuv2, rgba64_full, bgra64be_full, AV_PIX_FMT_BGRA64BE, 1, 1)
1199 YUV2PACKED16WRAPPER(yuv2, rgba64_full, bgra64le_full, AV_PIX_FMT_BGRA64LE, 1, 1)
1200 YUV2PACKED16WRAPPER(yuv2, rgba64_full, bgrx64be_full, AV_PIX_FMT_BGRA64BE, 0, 1)
1201 YUV2PACKED16WRAPPER(yuv2, rgba64_full, bgrx64le_full, AV_PIX_FMT_BGRA64LE, 0, 1)
1202 
1203 /*
1204  * Write out 2 RGB pixels in the target pixel format. This function takes a
1205  * R/G/B LUT as generated by ff_yuv2rgb_c_init_tables(), which takes care of
1206  * things like endianness conversion and shifting. The caller takes care of
1207  * setting the correct offset in these tables from the chroma (U/V) values.
1208  * This function then uses the luminance (Y1/Y2) values to write out the
1209  * correct RGB values into the destination buffer.
1210  */
1211 static av_always_inline void
1212 yuv2rgb_write(uint8_t *_dest, int i, int Y1, int Y2,
1213  unsigned A1, unsigned A2,
1214  const void *_r, const void *_g, const void *_b, int y,
1215  enum AVPixelFormat target, int hasAlpha)
1216 {
1217  if (target == AV_PIX_FMT_ARGB || target == AV_PIX_FMT_RGBA ||
1218  target == AV_PIX_FMT_ABGR || target == AV_PIX_FMT_BGRA) {
1219  uint32_t *dest = (uint32_t *) _dest;
1220  const uint32_t *r = (const uint32_t *) _r;
1221  const uint32_t *g = (const uint32_t *) _g;
1222  const uint32_t *b = (const uint32_t *) _b;
1223 
1224 #if CONFIG_SMALL
1225  int sh = hasAlpha ? ((target == AV_PIX_FMT_RGB32_1 || target == AV_PIX_FMT_BGR32_1) ? 0 : 24) : 0;
1226 
1227  dest[i * 2 + 0] = r[Y1] + g[Y1] + b[Y1] + (hasAlpha ? A1 << sh : 0);
1228  dest[i * 2 + 1] = r[Y2] + g[Y2] + b[Y2] + (hasAlpha ? A2 << sh : 0);
1229 #else
1230  if (hasAlpha) {
1231  int sh = (target == AV_PIX_FMT_RGB32_1 || target == AV_PIX_FMT_BGR32_1) ? 0 : 24;
1232 
1233  av_assert2((((r[Y1] + g[Y1] + b[Y1]) >> sh) & 0xFF) == 0);
1234  dest[i * 2 + 0] = r[Y1] + g[Y1] + b[Y1] + (A1 << sh);
1235  dest[i * 2 + 1] = r[Y2] + g[Y2] + b[Y2] + (A2 << sh);
1236  } else {
1237 #if defined(ASSERT_LEVEL) && ASSERT_LEVEL > 1
1238  int sh = (target == AV_PIX_FMT_RGB32_1 || target == AV_PIX_FMT_BGR32_1) ? 0 : 24;
1239 
1240  av_assert2((((r[Y1] + g[Y1] + b[Y1]) >> sh) & 0xFF) == 0xFF);
1241 #endif
1242  dest[i * 2 + 0] = r[Y1] + g[Y1] + b[Y1];
1243  dest[i * 2 + 1] = r[Y2] + g[Y2] + b[Y2];
1244  }
1245 #endif
1246  } else if (target == AV_PIX_FMT_RGB24 || target == AV_PIX_FMT_BGR24) {
1247  uint8_t *dest = (uint8_t *) _dest;
1248  const uint8_t *r = (const uint8_t *) _r;
1249  const uint8_t *g = (const uint8_t *) _g;
1250  const uint8_t *b = (const uint8_t *) _b;
1251 
1252 #define r_b ((target == AV_PIX_FMT_RGB24) ? r : b)
1253 #define b_r ((target == AV_PIX_FMT_RGB24) ? b : r)
1254 
1255  dest[i * 6 + 0] = r_b[Y1];
1256  dest[i * 6 + 1] = g[Y1];
1257  dest[i * 6 + 2] = b_r[Y1];
1258  dest[i * 6 + 3] = r_b[Y2];
1259  dest[i * 6 + 4] = g[Y2];
1260  dest[i * 6 + 5] = b_r[Y2];
1261 #undef r_b
1262 #undef b_r
1263  } else if (target == AV_PIX_FMT_RGB565 || target == AV_PIX_FMT_BGR565 ||
1264  target == AV_PIX_FMT_RGB555 || target == AV_PIX_FMT_BGR555 ||
1265  target == AV_PIX_FMT_RGB444 || target == AV_PIX_FMT_BGR444) {
1266  uint16_t *dest = (uint16_t *) _dest;
1267  const uint16_t *r = (const uint16_t *) _r;
1268  const uint16_t *g = (const uint16_t *) _g;
1269  const uint16_t *b = (const uint16_t *) _b;
1270  int dr1, dg1, db1, dr2, dg2, db2;
1271 
1272  if (target == AV_PIX_FMT_RGB565 || target == AV_PIX_FMT_BGR565) {
1273  dr1 = ff_dither_2x2_8[ y & 1 ][0];
1274  dg1 = ff_dither_2x2_4[ y & 1 ][0];
1275  db1 = ff_dither_2x2_8[(y & 1) ^ 1][0];
1276  dr2 = ff_dither_2x2_8[ y & 1 ][1];
1277  dg2 = ff_dither_2x2_4[ y & 1 ][1];
1278  db2 = ff_dither_2x2_8[(y & 1) ^ 1][1];
1279  } else if (target == AV_PIX_FMT_RGB555 || target == AV_PIX_FMT_BGR555) {
1280  dr1 = ff_dither_2x2_8[ y & 1 ][0];
1281  dg1 = ff_dither_2x2_8[ y & 1 ][1];
1282  db1 = ff_dither_2x2_8[(y & 1) ^ 1][0];
1283  dr2 = ff_dither_2x2_8[ y & 1 ][1];
1284  dg2 = ff_dither_2x2_8[ y & 1 ][0];
1285  db2 = ff_dither_2x2_8[(y & 1) ^ 1][1];
1286  } else {
1287  dr1 = ff_dither_4x4_16[ y & 3 ][0];
1288  dg1 = ff_dither_4x4_16[ y & 3 ][1];
1289  db1 = ff_dither_4x4_16[(y & 3) ^ 3][0];
1290  dr2 = ff_dither_4x4_16[ y & 3 ][1];
1291  dg2 = ff_dither_4x4_16[ y & 3 ][0];
1292  db2 = ff_dither_4x4_16[(y & 3) ^ 3][1];
1293  }
1294 
1295  dest[i * 2 + 0] = r[Y1 + dr1] + g[Y1 + dg1] + b[Y1 + db1];
1296  dest[i * 2 + 1] = r[Y2 + dr2] + g[Y2 + dg2] + b[Y2 + db2];
1297  } else /* 8/4-bit */ {
1298  uint8_t *dest = (uint8_t *) _dest;
1299  const uint8_t *r = (const uint8_t *) _r;
1300  const uint8_t *g = (const uint8_t *) _g;
1301  const uint8_t *b = (const uint8_t *) _b;
1302  int dr1, dg1, db1, dr2, dg2, db2;
1303 
1304  if (target == AV_PIX_FMT_RGB8 || target == AV_PIX_FMT_BGR8) {
1305  const uint8_t * const d64 = ff_dither_8x8_73[y & 7];
1306  const uint8_t * const d32 = ff_dither_8x8_32[y & 7];
1307  dr1 = dg1 = d32[(i * 2 + 0) & 7];
1308  db1 = d64[(i * 2 + 0) & 7];
1309  dr2 = dg2 = d32[(i * 2 + 1) & 7];
1310  db2 = d64[(i * 2 + 1) & 7];
1311  } else {
1312  const uint8_t * const d64 = ff_dither_8x8_73 [y & 7];
1313  const uint8_t * const d128 = ff_dither_8x8_220[y & 7];
1314  dr1 = db1 = d128[(i * 2 + 0) & 7];
1315  dg1 = d64[(i * 2 + 0) & 7];
1316  dr2 = db2 = d128[(i * 2 + 1) & 7];
1317  dg2 = d64[(i * 2 + 1) & 7];
1318  }
1319 
1320  if (target == AV_PIX_FMT_RGB4 || target == AV_PIX_FMT_BGR4) {
1321  dest[i] = r[Y1 + dr1] + g[Y1 + dg1] + b[Y1 + db1] +
1322  ((r[Y2 + dr2] + g[Y2 + dg2] + b[Y2 + db2]) << 4);
1323  } else {
1324  dest[i * 2 + 0] = r[Y1 + dr1] + g[Y1 + dg1] + b[Y1 + db1];
1325  dest[i * 2 + 1] = r[Y2 + dr2] + g[Y2 + dg2] + b[Y2 + db2];
1326  }
1327  }
1328 }
1329 
1330 static av_always_inline void
1331 yuv2rgb_X_c_template(SwsContext *c, const int16_t *lumFilter,
1332  const int16_t **lumSrc, int lumFilterSize,
1333  const int16_t *chrFilter, const int16_t **chrUSrc,
1334  const int16_t **chrVSrc, int chrFilterSize,
1335  const int16_t **alpSrc, uint8_t *dest, int dstW,
1336  int y, enum AVPixelFormat target, int hasAlpha)
1337 {
1338  int i;
1339 
1340  for (i = 0; i < ((dstW + 1) >> 1); i++) {
1341  int j, A1, A2;
1342  int Y1 = 1 << 18;
1343  int Y2 = 1 << 18;
1344  int U = 1 << 18;
1345  int V = 1 << 18;
1346  const void *r, *g, *b;
1347 
1348  for (j = 0; j < lumFilterSize; j++) {
1349  Y1 += lumSrc[j][i * 2] * lumFilter[j];
1350  Y2 += lumSrc[j][i * 2 + 1] * lumFilter[j];
1351  }
1352  for (j = 0; j < chrFilterSize; j++) {
1353  U += chrUSrc[j][i] * chrFilter[j];
1354  V += chrVSrc[j][i] * chrFilter[j];
1355  }
1356  Y1 >>= 19;
1357  Y2 >>= 19;
1358  U >>= 19;
1359  V >>= 19;
1360  if (hasAlpha) {
1361  A1 = 1 << 18;
1362  A2 = 1 << 18;
1363  for (j = 0; j < lumFilterSize; j++) {
1364  A1 += alpSrc[j][i * 2 ] * lumFilter[j];
1365  A2 += alpSrc[j][i * 2 + 1] * lumFilter[j];
1366  }
1367  A1 >>= 19;
1368  A2 >>= 19;
1369  if ((A1 | A2) & 0x100) {
1370  A1 = av_clip_uint8(A1);
1371  A2 = av_clip_uint8(A2);
1372  }
1373  }
1374 
1375  r = c->table_rV[V + YUVRGB_TABLE_HEADROOM];
1376  g = (c->table_gU[U + YUVRGB_TABLE_HEADROOM] + c->table_gV[V + YUVRGB_TABLE_HEADROOM]);
1377  b = c->table_bU[U + YUVRGB_TABLE_HEADROOM];
1378 
1379  yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,
1380  r, g, b, y, target, hasAlpha);
1381  }
1382 }
1383 
1384 static av_always_inline void
1385 yuv2rgb_2_c_template(SwsContext *c, const int16_t *buf[2],
1386  const int16_t *ubuf[2], const int16_t *vbuf[2],
1387  const int16_t *abuf[2], uint8_t *dest, int dstW,
1388  int yalpha, int uvalpha, int y,
1389  enum AVPixelFormat target, int hasAlpha)
1390 {
1391  const int16_t *buf0 = buf[0], *buf1 = buf[1],
1392  *ubuf0 = ubuf[0], *ubuf1 = ubuf[1],
1393  *vbuf0 = vbuf[0], *vbuf1 = vbuf[1],
1394  *abuf0 = hasAlpha ? abuf[0] : NULL,
1395  *abuf1 = hasAlpha ? abuf[1] : NULL;
1396  int yalpha1 = 4096 - yalpha;
1397  int uvalpha1 = 4096 - uvalpha;
1398  int i;
1399  av_assert2(yalpha <= 4096U);
1400  av_assert2(uvalpha <= 4096U);
1401 
1402  for (i = 0; i < ((dstW + 1) >> 1); i++) {
1403  int Y1 = (buf0[i * 2] * yalpha1 + buf1[i * 2] * yalpha) >> 19;
1404  int Y2 = (buf0[i * 2 + 1] * yalpha1 + buf1[i * 2 + 1] * yalpha) >> 19;
1405  int U = (ubuf0[i] * uvalpha1 + ubuf1[i] * uvalpha) >> 19;
1406  int V = (vbuf0[i] * uvalpha1 + vbuf1[i] * uvalpha) >> 19;
1407  int A1, A2;
1408  const void *r = c->table_rV[V + YUVRGB_TABLE_HEADROOM],
1409  *g = (c->table_gU[U + YUVRGB_TABLE_HEADROOM] + c->table_gV[V + YUVRGB_TABLE_HEADROOM]),
1410  *b = c->table_bU[U + YUVRGB_TABLE_HEADROOM];
1411 
1412  if (hasAlpha) {
1413  A1 = (abuf0[i * 2 ] * yalpha1 + abuf1[i * 2 ] * yalpha) >> 19;
1414  A2 = (abuf0[i * 2 + 1] * yalpha1 + abuf1[i * 2 + 1] * yalpha) >> 19;
1415  A1 = av_clip_uint8(A1);
1416  A2 = av_clip_uint8(A2);
1417  }
1418 
1419  yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,
1420  r, g, b, y, target, hasAlpha);
1421  }
1422 }
1423 
1424 static av_always_inline void
1425 yuv2rgb_1_c_template(SwsContext *c, const int16_t *buf0,
1426  const int16_t *ubuf[2], const int16_t *vbuf[2],
1427  const int16_t *abuf0, uint8_t *dest, int dstW,
1428  int uvalpha, int y, enum AVPixelFormat target,
1429  int hasAlpha)
1430 {
1431  const int16_t *ubuf0 = ubuf[0], *vbuf0 = vbuf[0];
1432  int i;
1433 
1434  if (uvalpha < 2048) {
1435  for (i = 0; i < ((dstW + 1) >> 1); i++) {
1436  int Y1 = (buf0[i * 2 ] + 64) >> 7;
1437  int Y2 = (buf0[i * 2 + 1] + 64) >> 7;
1438  int U = (ubuf0[i] + 64) >> 7;
1439  int V = (vbuf0[i] + 64) >> 7;
1440  int A1, A2;
1441  const void *r = c->table_rV[V + YUVRGB_TABLE_HEADROOM],
1442  *g = (c->table_gU[U + YUVRGB_TABLE_HEADROOM] + c->table_gV[V + YUVRGB_TABLE_HEADROOM]),
1443  *b = c->table_bU[U + YUVRGB_TABLE_HEADROOM];
1444 
1445  if (hasAlpha) {
1446  A1 = abuf0[i * 2 ] * 255 + 16384 >> 15;
1447  A2 = abuf0[i * 2 + 1] * 255 + 16384 >> 15;
1448  A1 = av_clip_uint8(A1);
1449  A2 = av_clip_uint8(A2);
1450  }
1451 
1452  yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,
1453  r, g, b, y, target, hasAlpha);
1454  }
1455  } else {
1456  const int16_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];
1457  for (i = 0; i < ((dstW + 1) >> 1); i++) {
1458  int Y1 = (buf0[i * 2 ] + 64) >> 7;
1459  int Y2 = (buf0[i * 2 + 1] + 64) >> 7;
1460  int U = (ubuf0[i] + ubuf1[i] + 128) >> 8;
1461  int V = (vbuf0[i] + vbuf1[i] + 128) >> 8;
1462  int A1, A2;
1463  const void *r = c->table_rV[V + YUVRGB_TABLE_HEADROOM],
1464  *g = (c->table_gU[U + YUVRGB_TABLE_HEADROOM] + c->table_gV[V + YUVRGB_TABLE_HEADROOM]),
1465  *b = c->table_bU[U + YUVRGB_TABLE_HEADROOM];
1466 
1467  if (hasAlpha) {
1468  A1 = (abuf0[i * 2 ] + 64) >> 7;
1469  A2 = (abuf0[i * 2 + 1] + 64) >> 7;
1470  A1 = av_clip_uint8(A1);
1471  A2 = av_clip_uint8(A2);
1472  }
1473 
1474  yuv2rgb_write(dest, i, Y1, Y2, hasAlpha ? A1 : 0, hasAlpha ? A2 : 0,
1475  r, g, b, y, target, hasAlpha);
1476  }
1477  }
1478 }
1479 
1480 #define YUV2RGBWRAPPERX(name, base, ext, fmt, hasAlpha) \
1481 static void name ## ext ## _X_c(SwsContext *c, const int16_t *lumFilter, \
1482  const int16_t **lumSrc, int lumFilterSize, \
1483  const int16_t *chrFilter, const int16_t **chrUSrc, \
1484  const int16_t **chrVSrc, int chrFilterSize, \
1485  const int16_t **alpSrc, uint8_t *dest, int dstW, \
1486  int y) \
1487 { \
1488  name ## base ## _X_c_template(c, lumFilter, lumSrc, lumFilterSize, \
1489  chrFilter, chrUSrc, chrVSrc, chrFilterSize, \
1490  alpSrc, dest, dstW, y, fmt, hasAlpha); \
1491 }
1492 
1493 #define YUV2RGBWRAPPERX2(name, base, ext, fmt, hasAlpha) \
1494 YUV2RGBWRAPPERX(name, base, ext, fmt, hasAlpha) \
1495 static void name ## ext ## _2_c(SwsContext *c, const int16_t *buf[2], \
1496  const int16_t *ubuf[2], const int16_t *vbuf[2], \
1497  const int16_t *abuf[2], uint8_t *dest, int dstW, \
1498  int yalpha, int uvalpha, int y) \
1499 { \
1500  name ## base ## _2_c_template(c, buf, ubuf, vbuf, abuf, \
1501  dest, dstW, yalpha, uvalpha, y, fmt, hasAlpha); \
1502 }
1503 
1504 #define YUV2RGBWRAPPER(name, base, ext, fmt, hasAlpha) \
1505 YUV2RGBWRAPPERX2(name, base, ext, fmt, hasAlpha) \
1506 static void name ## ext ## _1_c(SwsContext *c, const int16_t *buf0, \
1507  const int16_t *ubuf[2], const int16_t *vbuf[2], \
1508  const int16_t *abuf0, uint8_t *dest, int dstW, \
1509  int uvalpha, int y) \
1510 { \
1511  name ## base ## _1_c_template(c, buf0, ubuf, vbuf, abuf0, dest, \
1512  dstW, uvalpha, y, fmt, hasAlpha); \
1513 }
1514 
1515 #if CONFIG_SMALL
1516 YUV2RGBWRAPPER(yuv2rgb,, 32_1, AV_PIX_FMT_RGB32_1, CONFIG_SWSCALE_ALPHA && c->alpPixBuf)
1517 YUV2RGBWRAPPER(yuv2rgb,, 32, AV_PIX_FMT_RGB32, CONFIG_SWSCALE_ALPHA && c->alpPixBuf)
1518 #else
1519 #if CONFIG_SWSCALE_ALPHA
1520 YUV2RGBWRAPPER(yuv2rgb,, a32_1, AV_PIX_FMT_RGB32_1, 1)
1521 YUV2RGBWRAPPER(yuv2rgb,, a32, AV_PIX_FMT_RGB32, 1)
1522 #endif
1523 YUV2RGBWRAPPER(yuv2rgb,, x32_1, AV_PIX_FMT_RGB32_1, 0)
1524 YUV2RGBWRAPPER(yuv2rgb,, x32, AV_PIX_FMT_RGB32, 0)
1525 #endif
1526 YUV2RGBWRAPPER(yuv2, rgb, rgb24, AV_PIX_FMT_RGB24, 0)
1527 YUV2RGBWRAPPER(yuv2, rgb, bgr24, AV_PIX_FMT_BGR24, 0)
1528 YUV2RGBWRAPPER(yuv2rgb,, 16, AV_PIX_FMT_RGB565, 0)
1529 YUV2RGBWRAPPER(yuv2rgb,, 15, AV_PIX_FMT_RGB555, 0)
1530 YUV2RGBWRAPPER(yuv2rgb,, 12, AV_PIX_FMT_RGB444, 0)
1531 YUV2RGBWRAPPER(yuv2rgb,, 8, AV_PIX_FMT_RGB8, 0)
1532 YUV2RGBWRAPPER(yuv2rgb,, 4, AV_PIX_FMT_RGB4, 0)
1533 YUV2RGBWRAPPER(yuv2rgb,, 4b, AV_PIX_FMT_RGB4_BYTE, 0)
1534 
1535 static av_always_inline void yuv2rgb_write_full(SwsContext *c,
1536  uint8_t *dest, int i, int Y, int A, int U, int V,
1537  int y, enum AVPixelFormat target, int hasAlpha, int err[4])
1538 {
1539  int R, G, B;
1540  int isrgb8 = target == AV_PIX_FMT_BGR8 || target == AV_PIX_FMT_RGB8;
1541 
1542  Y -= c->yuv2rgb_y_offset;
1543  Y *= c->yuv2rgb_y_coeff;
1544  Y += 1 << 21;
1545  R = Y + V*c->yuv2rgb_v2r_coeff;
1546  G = Y + V*c->yuv2rgb_v2g_coeff + U*c->yuv2rgb_u2g_coeff;
1547  B = Y + U*c->yuv2rgb_u2b_coeff;
1548  if ((R | G | B) & 0xC0000000) {
1549  R = av_clip_uintp2(R, 30);
1550  G = av_clip_uintp2(G, 30);
1551  B = av_clip_uintp2(B, 30);
1552  }
1553 
1554  switch(target) {
1555  case AV_PIX_FMT_ARGB:
1556  dest[0] = hasAlpha ? A : 255;
1557  dest[1] = R >> 22;
1558  dest[2] = G >> 22;
1559  dest[3] = B >> 22;
1560  break;
1561  case AV_PIX_FMT_RGB24:
1562  dest[0] = R >> 22;
1563  dest[1] = G >> 22;
1564  dest[2] = B >> 22;
1565  break;
1566  case AV_PIX_FMT_RGBA:
1567  dest[0] = R >> 22;
1568  dest[1] = G >> 22;
1569  dest[2] = B >> 22;
1570  dest[3] = hasAlpha ? A : 255;
1571  break;
1572  case AV_PIX_FMT_ABGR:
1573  dest[0] = hasAlpha ? A : 255;
1574  dest[1] = B >> 22;
1575  dest[2] = G >> 22;
1576  dest[3] = R >> 22;
1577  break;
1578  case AV_PIX_FMT_BGR24:
1579  dest[0] = B >> 22;
1580  dest[1] = G >> 22;
1581  dest[2] = R >> 22;
1582  break;
1583  case AV_PIX_FMT_BGRA:
1584  dest[0] = B >> 22;
1585  dest[1] = G >> 22;
1586  dest[2] = R >> 22;
1587  dest[3] = hasAlpha ? A : 255;
1588  break;
1589  case AV_PIX_FMT_BGR4_BYTE:
1590  case AV_PIX_FMT_RGB4_BYTE:
1591  case AV_PIX_FMT_BGR8:
1592  case AV_PIX_FMT_RGB8:
1593  {
1594  int r,g,b;
1595 
1596  switch (c->dither) {
1597  default:
1598  case SWS_DITHER_AUTO:
1599  case SWS_DITHER_ED:
1600  R >>= 22;
1601  G >>= 22;
1602  B >>= 22;
1603  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;
1604  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;
1605  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;
1606  c->dither_error[0][i] = err[0];
1607  c->dither_error[1][i] = err[1];
1608  c->dither_error[2][i] = err[2];
1609  r = R >> (isrgb8 ? 5 : 7);
1610  g = G >> (isrgb8 ? 5 : 6);
1611  b = B >> (isrgb8 ? 6 : 7);
1612  r = av_clip(r, 0, isrgb8 ? 7 : 1);
1613  g = av_clip(g, 0, isrgb8 ? 7 : 3);
1614  b = av_clip(b, 0, isrgb8 ? 3 : 1);
1615  err[0] = R - r*(isrgb8 ? 36 : 255);
1616  err[1] = G - g*(isrgb8 ? 36 : 85);
1617  err[2] = B - b*(isrgb8 ? 85 : 255);
1618  break;
1619  case SWS_DITHER_A_DITHER:
1620  if (isrgb8) {
1621  /* see http://pippin.gimp.org/a_dither/ for details/origin */
1622 #define A_DITHER(u,v) (((((u)+((v)*236))*119)&0xff))
1623  r = (((R >> 19) + A_DITHER(i,y) -96)>>8);
1624  g = (((G >> 19) + A_DITHER(i + 17,y) - 96)>>8);
1625  b = (((B >> 20) + A_DITHER(i + 17*2,y) -96)>>8);
1626  r = av_clip_uintp2(r, 3);
1627  g = av_clip_uintp2(g, 3);
1628  b = av_clip_uintp2(b, 2);
1629  } else {
1630  r = (((R >> 21) + A_DITHER(i,y)-256)>>8);
1631  g = (((G >> 19) + A_DITHER(i + 17,y)-256)>>8);
1632  b = (((B >> 21) + A_DITHER(i + 17*2,y)-256)>>8);
1633  r = av_clip_uintp2(r, 1);
1634  g = av_clip_uintp2(g, 2);
1635  b = av_clip_uintp2(b, 1);
1636  }
1637  break;
1638  case SWS_DITHER_X_DITHER:
1639  if (isrgb8) {
1640  /* see http://pippin.gimp.org/a_dither/ for details/origin */
1641 #define X_DITHER(u,v) (((((u)^((v)*237))*181)&0x1ff)/2)
1642  r = (((R >> 19) + X_DITHER(i,y) - 96)>>8);
1643  g = (((G >> 19) + X_DITHER(i + 17,y) - 96)>>8);
1644  b = (((B >> 20) + X_DITHER(i + 17*2,y) - 96)>>8);
1645  r = av_clip_uintp2(r, 3);
1646  g = av_clip_uintp2(g, 3);
1647  b = av_clip_uintp2(b, 2);
1648  } else {
1649  r = (((R >> 21) + X_DITHER(i,y)-256)>>8);
1650  g = (((G >> 19) + X_DITHER(i + 17,y)-256)>>8);
1651  b = (((B >> 21) + X_DITHER(i + 17*2,y)-256)>>8);
1652  r = av_clip_uintp2(r, 1);
1653  g = av_clip_uintp2(g, 2);
1654  b = av_clip_uintp2(b, 1);
1655  }
1656 
1657  break;
1658  }
1659 
1660  if(target == AV_PIX_FMT_BGR4_BYTE) {
1661  dest[0] = r + 2*g + 8*b;
1662  } else if(target == AV_PIX_FMT_RGB4_BYTE) {
1663  dest[0] = b + 2*g + 8*r;
1664  } else if(target == AV_PIX_FMT_BGR8) {
1665  dest[0] = r + 8*g + 64*b;
1666  } else if(target == AV_PIX_FMT_RGB8) {
1667  dest[0] = b + 4*g + 32*r;
1668  } else
1669  av_assert2(0);
1670  break;}
1671  }
1672 }
1673 
1674 static av_always_inline void
1675 yuv2rgb_full_X_c_template(SwsContext *c, const int16_t *lumFilter,
1676  const int16_t **lumSrc, int lumFilterSize,
1677  const int16_t *chrFilter, const int16_t **chrUSrc,
1678  const int16_t **chrVSrc, int chrFilterSize,
1679  const int16_t **alpSrc, uint8_t *dest,
1680  int dstW, int y, enum AVPixelFormat target, int hasAlpha)
1681 {
1682  int i;
1683  int step = (target == AV_PIX_FMT_RGB24 || target == AV_PIX_FMT_BGR24) ? 3 : 4;
1684  int err[4] = {0};
1685  int A = 0; //init to silence warning
1686 
1687  if( target == AV_PIX_FMT_BGR4_BYTE || target == AV_PIX_FMT_RGB4_BYTE
1688  || target == AV_PIX_FMT_BGR8 || target == AV_PIX_FMT_RGB8)
1689  step = 1;
1690 
1691  for (i = 0; i < dstW; i++) {
1692  int j;
1693  int Y = 1<<9;
1694  int U = (1<<9)-(128 << 19);
1695  int V = (1<<9)-(128 << 19);
1696 
1697  for (j = 0; j < lumFilterSize; j++) {
1698  Y += lumSrc[j][i] * lumFilter[j];
1699  }
1700  for (j = 0; j < chrFilterSize; j++) {
1701  U += chrUSrc[j][i] * chrFilter[j];
1702  V += chrVSrc[j][i] * chrFilter[j];
1703  }
1704  Y >>= 10;
1705  U >>= 10;
1706  V >>= 10;
1707  if (hasAlpha) {
1708  A = 1 << 18;
1709  for (j = 0; j < lumFilterSize; j++) {
1710  A += alpSrc[j][i] * lumFilter[j];
1711  }
1712  A >>= 19;
1713  if (A & 0x100)
1714  A = av_clip_uint8(A);
1715  }
1716  yuv2rgb_write_full(c, dest, i, Y, A, U, V, y, target, hasAlpha, err);
1717  dest += step;
1718  }
1719  c->dither_error[0][i] = err[0];
1720  c->dither_error[1][i] = err[1];
1721  c->dither_error[2][i] = err[2];
1722 }
1723 
1724 static av_always_inline void
1725 yuv2rgb_full_2_c_template(SwsContext *c, const int16_t *buf[2],
1726  const int16_t *ubuf[2], const int16_t *vbuf[2],
1727  const int16_t *abuf[2], uint8_t *dest, int dstW,
1728  int yalpha, int uvalpha, int y,
1729  enum AVPixelFormat target, int hasAlpha)
1730 {
1731  const int16_t *buf0 = buf[0], *buf1 = buf[1],
1732  *ubuf0 = ubuf[0], *ubuf1 = ubuf[1],
1733  *vbuf0 = vbuf[0], *vbuf1 = vbuf[1],
1734  *abuf0 = hasAlpha ? abuf[0] : NULL,
1735  *abuf1 = hasAlpha ? abuf[1] : NULL;
1736  int yalpha1 = 4096 - yalpha;
1737  int uvalpha1 = 4096 - uvalpha;
1738  int i;
1739  int step = (target == AV_PIX_FMT_RGB24 || target == AV_PIX_FMT_BGR24) ? 3 : 4;
1740  int err[4] = {0};
1741  int A = 0; // init to silcene warning
1742 
1743  av_assert2(yalpha <= 4096U);
1744  av_assert2(uvalpha <= 4096U);
1745 
1746  if( target == AV_PIX_FMT_BGR4_BYTE || target == AV_PIX_FMT_RGB4_BYTE
1747  || target == AV_PIX_FMT_BGR8 || target == AV_PIX_FMT_RGB8)
1748  step = 1;
1749 
1750  for (i = 0; i < dstW; i++) {
1751  int Y = ( buf0[i] * yalpha1 + buf1[i] * yalpha ) >> 10; //FIXME rounding
1752  int U = (ubuf0[i] * uvalpha1 + ubuf1[i] * uvalpha-(128 << 19)) >> 10;
1753  int V = (vbuf0[i] * uvalpha1 + vbuf1[i] * uvalpha-(128 << 19)) >> 10;
1754 
1755  if (hasAlpha) {
1756  A = (abuf0[i] * yalpha1 + abuf1[i] * yalpha + (1<<18)) >> 19;
1757  if (A & 0x100)
1758  A = av_clip_uint8(A);
1759  }
1760 
1761  yuv2rgb_write_full(c, dest, i, Y, A, U, V, y, target, hasAlpha, err);
1762  dest += step;
1763  }
1764  c->dither_error[0][i] = err[0];
1765  c->dither_error[1][i] = err[1];
1766  c->dither_error[2][i] = err[2];
1767 }
1768 
1769 static av_always_inline void
1770 yuv2rgb_full_1_c_template(SwsContext *c, const int16_t *buf0,
1771  const int16_t *ubuf[2], const int16_t *vbuf[2],
1772  const int16_t *abuf0, uint8_t *dest, int dstW,
1773  int uvalpha, int y, enum AVPixelFormat target,
1774  int hasAlpha)
1775 {
1776  const int16_t *ubuf0 = ubuf[0], *vbuf0 = vbuf[0];
1777  int i;
1778  int step = (target == AV_PIX_FMT_RGB24 || target == AV_PIX_FMT_BGR24) ? 3 : 4;
1779  int err[4] = {0};
1780 
1781  if( target == AV_PIX_FMT_BGR4_BYTE || target == AV_PIX_FMT_RGB4_BYTE
1782  || target == AV_PIX_FMT_BGR8 || target == AV_PIX_FMT_RGB8)
1783  step = 1;
1784 
1785  if (uvalpha < 2048) {
1786  int A = 0; //init to silence warning
1787  for (i = 0; i < dstW; i++) {
1788  int Y = buf0[i] << 2;
1789  int U = (ubuf0[i] - (128<<7)) * 4;
1790  int V = (vbuf0[i] - (128<<7)) * 4;
1791 
1792  if (hasAlpha) {
1793  A = (abuf0[i] + 64) >> 7;
1794  if (A & 0x100)
1795  A = av_clip_uint8(A);
1796  }
1797 
1798  yuv2rgb_write_full(c, dest, i, Y, A, U, V, y, target, hasAlpha, err);
1799  dest += step;
1800  }
1801  } else {
1802  const int16_t *ubuf1 = ubuf[1], *vbuf1 = vbuf[1];
1803  int A = 0; //init to silence warning
1804  for (i = 0; i < dstW; i++) {
1805  int Y = buf0[i] << 2;
1806  int U = (ubuf0[i] + ubuf1[i] - (128<<8)) << 1;
1807  int V = (vbuf0[i] + vbuf1[i] - (128<<8)) << 1;
1808 
1809  if (hasAlpha) {
1810  A = (abuf0[i] + 64) >> 7;
1811  if (A & 0x100)
1812  A = av_clip_uint8(A);
1813  }
1814 
1815  yuv2rgb_write_full(c, dest, i, Y, A, U, V, y, target, hasAlpha, err);
1816  dest += step;
1817  }
1818  }
1819 
1820  c->dither_error[0][i] = err[0];
1821  c->dither_error[1][i] = err[1];
1822  c->dither_error[2][i] = err[2];
1823 }
1824 
1825 #if CONFIG_SMALL
1826 YUV2RGBWRAPPER(yuv2, rgb_full, bgra32_full, AV_PIX_FMT_BGRA, CONFIG_SWSCALE_ALPHA && c->alpPixBuf)
1827 YUV2RGBWRAPPER(yuv2, rgb_full, abgr32_full, AV_PIX_FMT_ABGR, CONFIG_SWSCALE_ALPHA && c->alpPixBuf)
1828 YUV2RGBWRAPPER(yuv2, rgb_full, rgba32_full, AV_PIX_FMT_RGBA, CONFIG_SWSCALE_ALPHA && c->alpPixBuf)
1829 YUV2RGBWRAPPER(yuv2, rgb_full, argb32_full, AV_PIX_FMT_ARGB, CONFIG_SWSCALE_ALPHA && c->alpPixBuf)
1830 #else
1831 #if CONFIG_SWSCALE_ALPHA
1832 YUV2RGBWRAPPER(yuv2, rgb_full, bgra32_full, AV_PIX_FMT_BGRA, 1)
1833 YUV2RGBWRAPPER(yuv2, rgb_full, abgr32_full, AV_PIX_FMT_ABGR, 1)
1834 YUV2RGBWRAPPER(yuv2, rgb_full, rgba32_full, AV_PIX_FMT_RGBA, 1)
1835 YUV2RGBWRAPPER(yuv2, rgb_full, argb32_full, AV_PIX_FMT_ARGB, 1)
1836 #endif
1837 YUV2RGBWRAPPER(yuv2, rgb_full, bgrx32_full, AV_PIX_FMT_BGRA, 0)
1838 YUV2RGBWRAPPER(yuv2, rgb_full, xbgr32_full, AV_PIX_FMT_ABGR, 0)
1839 YUV2RGBWRAPPER(yuv2, rgb_full, rgbx32_full, AV_PIX_FMT_RGBA, 0)
1840 YUV2RGBWRAPPER(yuv2, rgb_full, xrgb32_full, AV_PIX_FMT_ARGB, 0)
1841 #endif
1842 YUV2RGBWRAPPER(yuv2, rgb_full, bgr24_full, AV_PIX_FMT_BGR24, 0)
1843 YUV2RGBWRAPPER(yuv2, rgb_full, rgb24_full, AV_PIX_FMT_RGB24, 0)
1844 
1845 YUV2RGBWRAPPER(yuv2, rgb_full, bgr4_byte_full, AV_PIX_FMT_BGR4_BYTE, 0)
1846 YUV2RGBWRAPPER(yuv2, rgb_full, rgb4_byte_full, AV_PIX_FMT_RGB4_BYTE, 0)
1847 YUV2RGBWRAPPER(yuv2, rgb_full, bgr8_full, AV_PIX_FMT_BGR8, 0)
1848 YUV2RGBWRAPPER(yuv2, rgb_full, rgb8_full, AV_PIX_FMT_RGB8, 0)
1849 
1850 static void
1851 yuv2gbrp_full_X_c(SwsContext *c, const int16_t *lumFilter,
1852  const int16_t **lumSrc, int lumFilterSize,
1853  const int16_t *chrFilter, const int16_t **chrUSrc,
1854  const int16_t **chrVSrc, int chrFilterSize,
1855  const int16_t **alpSrc, uint8_t **dest,
1856  int dstW, int y)
1857 {
1858  const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(c->dstFormat);
1859  int i;
1860  int hasAlpha = (desc->flags & AV_PIX_FMT_FLAG_ALPHA) && alpSrc;
1861  uint16_t **dest16 = (uint16_t**)dest;
1862  int SH = 22 + 8 - desc->comp[0].depth;
1863  int A = 0; // init to silence warning
1864 
1865  for (i = 0; i < dstW; i++) {
1866  int j;
1867  int Y = 1 << 9;
1868  int U = (1 << 9) - (128 << 19);
1869  int V = (1 << 9) - (128 << 19);
1870  int R, G, B;
1871 
1872  for (j = 0; j < lumFilterSize; j++)
1873  Y += lumSrc[j][i] * lumFilter[j];
1874 
1875  for (j = 0; j < chrFilterSize; j++) {
1876  U += chrUSrc[j][i] * chrFilter[j];
1877  V += chrVSrc[j][i] * chrFilter[j];
1878  }
1879 
1880  Y >>= 10;
1881  U >>= 10;
1882  V >>= 10;
1883 
1884  if (hasAlpha) {
1885  A = 1 << 18;
1886 
1887  for (j = 0; j < lumFilterSize; j++)
1888  A += alpSrc[j][i] * lumFilter[j];
1889 
1890  A >>= 19;
1891 
1892  if (A & 0x100)
1893  A = av_clip_uint8(A);
1894  }
1895 
1896  Y -= c->yuv2rgb_y_offset;
1897  Y *= c->yuv2rgb_y_coeff;
1898  Y += 1 << 21;
1899  R = Y + V * c->yuv2rgb_v2r_coeff;
1900  G = Y + V * c->yuv2rgb_v2g_coeff + U * c->yuv2rgb_u2g_coeff;
1901  B = Y + U * c->yuv2rgb_u2b_coeff;
1902 
1903  if ((R | G | B) & 0xC0000000) {
1904  R = av_clip_uintp2(R, 30);
1905  G = av_clip_uintp2(G, 30);
1906  B = av_clip_uintp2(B, 30);
1907  }
1908 
1909  if (SH != 22) {
1910  dest16[0][i] = G >> SH;
1911  dest16[1][i] = B >> SH;
1912  dest16[2][i] = R >> SH;
1913  if (hasAlpha)
1914  dest16[3][i] = A;
1915  } else {
1916  dest[0][i] = G >> 22;
1917  dest[1][i] = B >> 22;
1918  dest[2][i] = R >> 22;
1919  if (hasAlpha)
1920  dest[3][i] = A;
1921  }
1922  }
1923  if (SH != 22 && (!isBE(c->dstFormat)) != (!HAVE_BIGENDIAN)) {
1924  for (i = 0; i < dstW; i++) {
1925  dest16[0][i] = av_bswap16(dest16[0][i]);
1926  dest16[1][i] = av_bswap16(dest16[1][i]);
1927  dest16[2][i] = av_bswap16(dest16[2][i]);
1928  if (hasAlpha)
1929  dest16[3][i] = av_bswap16(dest16[3][i]);
1930  }
1931  }
1932 }
1933 
1934 static void
1935 yuv2ya8_1_c(SwsContext *c, const int16_t *buf0,
1936  const int16_t *ubuf[2], const int16_t *vbuf[2],
1937  const int16_t *abuf0, uint8_t *dest, int dstW,
1938  int uvalpha, int y)
1939 {
1940  int hasAlpha = !!abuf0;
1941  int i;
1942 
1943  for (i = 0; i < dstW; i++) {
1944  int Y = (buf0[i] + 64) >> 7;
1945  int A;
1946 
1947  Y = av_clip_uint8(Y);
1948 
1949  if (hasAlpha) {
1950  A = (abuf0[i] + 64) >> 7;
1951  if (A & 0x100)
1952  A = av_clip_uint8(A);
1953  }
1954 
1955  dest[i * 2 ] = Y;
1956  dest[i * 2 + 1] = hasAlpha ? A : 255;
1957  }
1958 }
1959 
1960 static void
1961 yuv2ya8_2_c(SwsContext *c, const int16_t *buf[2],
1962  const int16_t *ubuf[2], const int16_t *vbuf[2],
1963  const int16_t *abuf[2], uint8_t *dest, int dstW,
1964  int yalpha, int uvalpha, int y)
1965 {
1966  int hasAlpha = abuf && abuf[0] && abuf[1];
1967  const int16_t *buf0 = buf[0], *buf1 = buf[1],
1968  *abuf0 = hasAlpha ? abuf[0] : NULL,
1969  *abuf1 = hasAlpha ? abuf[1] : NULL;
1970  int yalpha1 = 4096 - yalpha;
1971  int i;
1972 
1973  av_assert2(yalpha <= 4096U);
1974 
1975  for (i = 0; i < dstW; i++) {
1976  int Y = (buf0[i] * yalpha1 + buf1[i] * yalpha) >> 19;
1977  int A;
1978 
1979  Y = av_clip_uint8(Y);
1980 
1981  if (hasAlpha) {
1982  A = (abuf0[i] * yalpha1 + abuf1[i] * yalpha) >> 19;
1983  A = av_clip_uint8(A);
1984  }
1985 
1986  dest[i * 2 ] = Y;
1987  dest[i * 2 + 1] = hasAlpha ? A : 255;
1988  }
1989 }
1990 
1991 static void
1992 yuv2ya8_X_c(SwsContext *c, const int16_t *lumFilter,
1993  const int16_t **lumSrc, int lumFilterSize,
1994  const int16_t *chrFilter, const int16_t **chrUSrc,
1995  const int16_t **chrVSrc, int chrFilterSize,
1996  const int16_t **alpSrc, uint8_t *dest, int dstW, int y)
1997 {
1998  int hasAlpha = !!alpSrc;
1999  int i;
2000 
2001  for (i = 0; i < dstW; i++) {
2002  int j;
2003  int Y = 1 << 18, A = 1 << 18;
2004 
2005  for (j = 0; j < lumFilterSize; j++)
2006  Y += lumSrc[j][i] * lumFilter[j];
2007 
2008  Y >>= 19;
2009  if (Y & 0x100)
2010  Y = av_clip_uint8(Y);
2011 
2012  if (hasAlpha) {
2013  for (j = 0; j < lumFilterSize; j++)
2014  A += alpSrc[j][i] * lumFilter[j];
2015 
2016  A >>= 19;
2017 
2018  if (A & 0x100)
2019  A = av_clip_uint8(A);
2020  }
2021 
2022  dest[2 * i ] = Y;
2023  dest[2 * i + 1] = hasAlpha ? A : 255;
2024  }
2025 }
2026 
2027 static void
2028 yuv2ayuv64le_X_c(SwsContext *c, const int16_t *lumFilter,
2029  const int16_t **_lumSrc, int lumFilterSize,
2030  const int16_t *chrFilter, const int16_t **_chrUSrc,
2031  const int16_t **_chrVSrc, int chrFilterSize,
2032  const int16_t **_alpSrc, uint8_t *dest, int dstW, int y)
2033 {
2034  const int32_t **lumSrc = (const int32_t **) _lumSrc,
2035  **chrUSrc = (const int32_t **) _chrUSrc,
2036  **chrVSrc = (const int32_t **) _chrVSrc,
2037  **alpSrc = (const int32_t **) _alpSrc;
2038  int hasAlpha = !!alpSrc;
2039  int i;
2040 
2041  for (i = 0; i < dstW; i++) {
2042  int Y = 1 << 14, U = 1 << 14;
2043  int V = 1 << 14, A = 1 << 14;
2044  int j;
2045 
2046  Y -= 0x40000000;
2047  U -= 0x40000000;
2048  V -= 0x40000000;
2049  A -= 0x40000000;
2050 
2051  for (j = 0; j < lumFilterSize; j++)
2052  Y += lumSrc[j][i] * (unsigned)lumFilter[j];
2053 
2054  for (j = 0; j < chrFilterSize; j++)
2055  U += chrUSrc[j][i] * (unsigned)chrFilter[j];
2056 
2057  for (j = 0; j < chrFilterSize; j++)
2058  V += chrVSrc[j][i] * (unsigned)chrFilter[j];
2059 
2060  if (hasAlpha)
2061  for (j = 0; j < lumFilterSize; j++)
2062  A += alpSrc[j][i] * (unsigned)lumFilter[j];
2063 
2064  Y = 0x8000 + av_clip_int16(Y >> 15);
2065  U = 0x8000 + av_clip_int16(U >> 15);
2066  V = 0x8000 + av_clip_int16(V >> 15);
2067  A = 0x8000 + av_clip_int16(A >> 15);
2068 
2069  AV_WL16(dest + 8 * i, hasAlpha ? A : 65535);
2070  AV_WL16(dest + 8 * i + 2, Y);
2071  AV_WL16(dest + 8 * i + 4, U);
2072  AV_WL16(dest + 8 * i + 6, V);
2073  }
2074 }
2075 
2076 av_cold void ff_sws_init_output_funcs(SwsContext *c,
2077  yuv2planar1_fn *yuv2plane1,
2078  yuv2planarX_fn *yuv2planeX,
2079  yuv2interleavedX_fn *yuv2nv12cX,
2080  yuv2packed1_fn *yuv2packed1,
2081  yuv2packed2_fn *yuv2packed2,
2082  yuv2packedX_fn *yuv2packedX,
2083  yuv2anyX_fn *yuv2anyX)
2084 {
2085  enum AVPixelFormat dstFormat = c->dstFormat;
2086  const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(dstFormat);
2087 
2088  if (is16BPS(dstFormat)) {
2089  *yuv2planeX = isBE(dstFormat) ? yuv2planeX_16BE_c : yuv2planeX_16LE_c;
2090  *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_16BE_c : yuv2plane1_16LE_c;
2091  } else if (is9_OR_10BPS(dstFormat)) {
2092  if (desc->comp[0].depth == 9) {
2093  *yuv2planeX = isBE(dstFormat) ? yuv2planeX_9BE_c : yuv2planeX_9LE_c;
2094  *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_9BE_c : yuv2plane1_9LE_c;
2095  } else if (desc->comp[0].depth == 10) {
2096  *yuv2planeX = isBE(dstFormat) ? yuv2planeX_10BE_c : yuv2planeX_10LE_c;
2097  *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_10BE_c : yuv2plane1_10LE_c;
2098  } else if (desc->comp[0].depth == 12) {
2099  *yuv2planeX = isBE(dstFormat) ? yuv2planeX_12BE_c : yuv2planeX_12LE_c;
2100  *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_12BE_c : yuv2plane1_12LE_c;
2101  } else if (desc->comp[0].depth == 14) {
2102  *yuv2planeX = isBE(dstFormat) ? yuv2planeX_14BE_c : yuv2planeX_14LE_c;
2103  *yuv2plane1 = isBE(dstFormat) ? yuv2plane1_14BE_c : yuv2plane1_14LE_c;
2104  } else
2105  av_assert0(0);
2106  } else {
2107  *yuv2plane1 = yuv2plane1_8_c;
2108  *yuv2planeX = yuv2planeX_8_c;
2109  if (dstFormat == AV_PIX_FMT_NV12 || dstFormat == AV_PIX_FMT_NV21)
2110  *yuv2nv12cX = yuv2nv12cX_c;
2111  }
2112 
2113  if(c->flags & SWS_FULL_CHR_H_INT) {
2114  switch (dstFormat) {
2115  case AV_PIX_FMT_RGBA:
2116 #if CONFIG_SMALL
2117  *yuv2packedX = yuv2rgba32_full_X_c;
2118  *yuv2packed2 = yuv2rgba32_full_2_c;
2119  *yuv2packed1 = yuv2rgba32_full_1_c;
2120 #else
2121 #if CONFIG_SWSCALE_ALPHA
2122  if (c->alpPixBuf) {
2123  *yuv2packedX = yuv2rgba32_full_X_c;
2124  *yuv2packed2 = yuv2rgba32_full_2_c;
2125  *yuv2packed1 = yuv2rgba32_full_1_c;
2126  } else
2127 #endif /* CONFIG_SWSCALE_ALPHA */
2128  {
2129  *yuv2packedX = yuv2rgbx32_full_X_c;
2130  *yuv2packed2 = yuv2rgbx32_full_2_c;
2131  *yuv2packed1 = yuv2rgbx32_full_1_c;
2132  }
2133 #endif /* !CONFIG_SMALL */
2134  break;
2135  case AV_PIX_FMT_ARGB:
2136 #if CONFIG_SMALL
2137  *yuv2packedX = yuv2argb32_full_X_c;
2138  *yuv2packed2 = yuv2argb32_full_2_c;
2139  *yuv2packed1 = yuv2argb32_full_1_c;
2140 #else
2141 #if CONFIG_SWSCALE_ALPHA
2142  if (c->alpPixBuf) {
2143  *yuv2packedX = yuv2argb32_full_X_c;
2144  *yuv2packed2 = yuv2argb32_full_2_c;
2145  *yuv2packed1 = yuv2argb32_full_1_c;
2146  } else
2147 #endif /* CONFIG_SWSCALE_ALPHA */
2148  {
2149  *yuv2packedX = yuv2xrgb32_full_X_c;
2150  *yuv2packed2 = yuv2xrgb32_full_2_c;
2151  *yuv2packed1 = yuv2xrgb32_full_1_c;
2152  }
2153 #endif /* !CONFIG_SMALL */
2154  break;
2155  case AV_PIX_FMT_BGRA:
2156 #if CONFIG_SMALL
2157  *yuv2packedX = yuv2bgra32_full_X_c;
2158  *yuv2packed2 = yuv2bgra32_full_2_c;
2159  *yuv2packed1 = yuv2bgra32_full_1_c;
2160 #else
2161 #if CONFIG_SWSCALE_ALPHA
2162  if (c->alpPixBuf) {
2163  *yuv2packedX = yuv2bgra32_full_X_c;
2164  *yuv2packed2 = yuv2bgra32_full_2_c;
2165  *yuv2packed1 = yuv2bgra32_full_1_c;
2166  } else
2167 #endif /* CONFIG_SWSCALE_ALPHA */
2168  {
2169  *yuv2packedX = yuv2bgrx32_full_X_c;
2170  *yuv2packed2 = yuv2bgrx32_full_2_c;
2171  *yuv2packed1 = yuv2bgrx32_full_1_c;
2172  }
2173 #endif /* !CONFIG_SMALL */
2174  break;
2175  case AV_PIX_FMT_ABGR:
2176 #if CONFIG_SMALL
2177  *yuv2packedX = yuv2abgr32_full_X_c;
2178  *yuv2packed2 = yuv2abgr32_full_2_c;
2179  *yuv2packed1 = yuv2abgr32_full_1_c;
2180 #else
2181 #if CONFIG_SWSCALE_ALPHA
2182  if (c->alpPixBuf) {
2183  *yuv2packedX = yuv2abgr32_full_X_c;
2184  *yuv2packed2 = yuv2abgr32_full_2_c;
2185  *yuv2packed1 = yuv2abgr32_full_1_c;
2186  } else
2187 #endif /* CONFIG_SWSCALE_ALPHA */
2188  {
2189  *yuv2packedX = yuv2xbgr32_full_X_c;
2190  *yuv2packed2 = yuv2xbgr32_full_2_c;
2191  *yuv2packed1 = yuv2xbgr32_full_1_c;
2192  }
2193 #endif /* !CONFIG_SMALL */
2194  break;
2195  case AV_PIX_FMT_RGBA64LE:
2196 #if CONFIG_SWSCALE_ALPHA
2197  if (c->alpPixBuf) {
2198  *yuv2packedX = yuv2rgba64le_full_X_c;
2199  *yuv2packed2 = yuv2rgba64le_full_2_c;
2200  *yuv2packed1 = yuv2rgba64le_full_1_c;
2201  } else
2202 #endif /* CONFIG_SWSCALE_ALPHA */
2203  {
2204  *yuv2packedX = yuv2rgbx64le_full_X_c;
2205  *yuv2packed2 = yuv2rgbx64le_full_2_c;
2206  *yuv2packed1 = yuv2rgbx64le_full_1_c;
2207  }
2208  break;
2209  case AV_PIX_FMT_RGBA64BE:
2210 #if CONFIG_SWSCALE_ALPHA
2211  if (c->alpPixBuf) {
2212  *yuv2packedX = yuv2rgba64be_full_X_c;
2213  *yuv2packed2 = yuv2rgba64be_full_2_c;
2214  *yuv2packed1 = yuv2rgba64be_full_1_c;
2215  } else
2216 #endif /* CONFIG_SWSCALE_ALPHA */
2217  {
2218  *yuv2packedX = yuv2rgbx64be_full_X_c;
2219  *yuv2packed2 = yuv2rgbx64be_full_2_c;
2220  *yuv2packed1 = yuv2rgbx64be_full_1_c;
2221  }
2222  break;
2223  case AV_PIX_FMT_BGRA64LE:
2224 #if CONFIG_SWSCALE_ALPHA
2225  if (c->alpPixBuf) {
2226  *yuv2packedX = yuv2bgra64le_full_X_c;
2227  *yuv2packed2 = yuv2bgra64le_full_2_c;
2228  *yuv2packed1 = yuv2bgra64le_full_1_c;
2229  } else
2230 #endif /* CONFIG_SWSCALE_ALPHA */
2231  {
2232  *yuv2packedX = yuv2bgrx64le_full_X_c;
2233  *yuv2packed2 = yuv2bgrx64le_full_2_c;
2234  *yuv2packed1 = yuv2bgrx64le_full_1_c;
2235  }
2236  break;
2237  case AV_PIX_FMT_BGRA64BE:
2238 #if CONFIG_SWSCALE_ALPHA
2239  if (c->alpPixBuf) {
2240  *yuv2packedX = yuv2bgra64be_full_X_c;
2241  *yuv2packed2 = yuv2bgra64be_full_2_c;
2242  *yuv2packed1 = yuv2bgra64be_full_1_c;
2243  } else
2244 #endif /* CONFIG_SWSCALE_ALPHA */
2245  {
2246  *yuv2packedX = yuv2bgrx64be_full_X_c;
2247  *yuv2packed2 = yuv2bgrx64be_full_2_c;
2248  *yuv2packed1 = yuv2bgrx64be_full_1_c;
2249  }
2250  break;
2251 
2252  case AV_PIX_FMT_RGB24:
2253  *yuv2packedX = yuv2rgb24_full_X_c;
2254  *yuv2packed2 = yuv2rgb24_full_2_c;
2255  *yuv2packed1 = yuv2rgb24_full_1_c;
2256  break;
2257  case AV_PIX_FMT_BGR24:
2258  *yuv2packedX = yuv2bgr24_full_X_c;
2259  *yuv2packed2 = yuv2bgr24_full_2_c;
2260  *yuv2packed1 = yuv2bgr24_full_1_c;
2261  break;
2262  case AV_PIX_FMT_RGB48LE:
2263  *yuv2packedX = yuv2rgb48le_full_X_c;
2264  *yuv2packed2 = yuv2rgb48le_full_2_c;
2265  *yuv2packed1 = yuv2rgb48le_full_1_c;
2266  break;
2267  case AV_PIX_FMT_BGR48LE:
2268  *yuv2packedX = yuv2bgr48le_full_X_c;
2269  *yuv2packed2 = yuv2bgr48le_full_2_c;
2270  *yuv2packed1 = yuv2bgr48le_full_1_c;
2271  break;
2272  case AV_PIX_FMT_RGB48BE:
2273  *yuv2packedX = yuv2rgb48be_full_X_c;
2274  *yuv2packed2 = yuv2rgb48be_full_2_c;
2275  *yuv2packed1 = yuv2rgb48be_full_1_c;
2276  break;
2277  case AV_PIX_FMT_BGR48BE:
2278  *yuv2packedX = yuv2bgr48be_full_X_c;
2279  *yuv2packed2 = yuv2bgr48be_full_2_c;
2280  *yuv2packed1 = yuv2bgr48be_full_1_c;
2281  break;
2282  case AV_PIX_FMT_BGR4_BYTE:
2283  *yuv2packedX = yuv2bgr4_byte_full_X_c;
2284  *yuv2packed2 = yuv2bgr4_byte_full_2_c;
2285  *yuv2packed1 = yuv2bgr4_byte_full_1_c;
2286  break;
2287  case AV_PIX_FMT_RGB4_BYTE:
2288  *yuv2packedX = yuv2rgb4_byte_full_X_c;
2289  *yuv2packed2 = yuv2rgb4_byte_full_2_c;
2290  *yuv2packed1 = yuv2rgb4_byte_full_1_c;
2291  break;
2292  case AV_PIX_FMT_BGR8:
2293  *yuv2packedX = yuv2bgr8_full_X_c;
2294  *yuv2packed2 = yuv2bgr8_full_2_c;
2295  *yuv2packed1 = yuv2bgr8_full_1_c;
2296  break;
2297  case AV_PIX_FMT_RGB8:
2298  *yuv2packedX = yuv2rgb8_full_X_c;
2299  *yuv2packed2 = yuv2rgb8_full_2_c;
2300  *yuv2packed1 = yuv2rgb8_full_1_c;
2301  break;
2302  case AV_PIX_FMT_GBRP:
2303  case AV_PIX_FMT_GBRP9BE:
2304  case AV_PIX_FMT_GBRP9LE:
2305  case AV_PIX_FMT_GBRP10BE:
2306  case AV_PIX_FMT_GBRP10LE:
2307  case AV_PIX_FMT_GBRP12BE:
2308  case AV_PIX_FMT_GBRP12LE:
2309  case AV_PIX_FMT_GBRP14BE:
2310  case AV_PIX_FMT_GBRP14LE:
2311  case AV_PIX_FMT_GBRP16BE:
2312  case AV_PIX_FMT_GBRP16LE:
2313  case AV_PIX_FMT_GBRAP:
2314  *yuv2anyX = yuv2gbrp_full_X_c;
2315  break;
2316  }
2317  if (!*yuv2packedX && !*yuv2anyX)
2318  goto YUV_PACKED;
2319  } else {
2320  YUV_PACKED:
2321  switch (dstFormat) {
2322  case AV_PIX_FMT_RGBA64LE:
2323 #if CONFIG_SWSCALE_ALPHA
2324  if (c->alpPixBuf) {
2325  *yuv2packed1 = yuv2rgba64le_1_c;
2326  *yuv2packed2 = yuv2rgba64le_2_c;
2327  *yuv2packedX = yuv2rgba64le_X_c;
2328  } else
2329 #endif /* CONFIG_SWSCALE_ALPHA */
2330  {
2331  *yuv2packed1 = yuv2rgbx64le_1_c;
2332  *yuv2packed2 = yuv2rgbx64le_2_c;
2333  *yuv2packedX = yuv2rgbx64le_X_c;
2334  }
2335  break;
2336  case AV_PIX_FMT_RGBA64BE:
2337 #if CONFIG_SWSCALE_ALPHA
2338  if (c->alpPixBuf) {
2339  *yuv2packed1 = yuv2rgba64be_1_c;
2340  *yuv2packed2 = yuv2rgba64be_2_c;
2341  *yuv2packedX = yuv2rgba64be_X_c;
2342  } else
2343 #endif /* CONFIG_SWSCALE_ALPHA */
2344  {
2345  *yuv2packed1 = yuv2rgbx64be_1_c;
2346  *yuv2packed2 = yuv2rgbx64be_2_c;
2347  *yuv2packedX = yuv2rgbx64be_X_c;
2348  }
2349  break;
2350  case AV_PIX_FMT_BGRA64LE:
2351 #if CONFIG_SWSCALE_ALPHA
2352  if (c->alpPixBuf) {
2353  *yuv2packed1 = yuv2bgra64le_1_c;
2354  *yuv2packed2 = yuv2bgra64le_2_c;
2355  *yuv2packedX = yuv2bgra64le_X_c;
2356  } else
2357 #endif /* CONFIG_SWSCALE_ALPHA */
2358  {
2359  *yuv2packed1 = yuv2bgrx64le_1_c;
2360  *yuv2packed2 = yuv2bgrx64le_2_c;
2361  *yuv2packedX = yuv2bgrx64le_X_c;
2362  }
2363  break;
2364  case AV_PIX_FMT_BGRA64BE:
2365 #if CONFIG_SWSCALE_ALPHA
2366  if (c->alpPixBuf) {
2367  *yuv2packed1 = yuv2bgra64be_1_c;
2368  *yuv2packed2 = yuv2bgra64be_2_c;
2369  *yuv2packedX = yuv2bgra64be_X_c;
2370  } else
2371 #endif /* CONFIG_SWSCALE_ALPHA */
2372  {
2373  *yuv2packed1 = yuv2bgrx64be_1_c;
2374  *yuv2packed2 = yuv2bgrx64be_2_c;
2375  *yuv2packedX = yuv2bgrx64be_X_c;
2376  }
2377  break;
2378  case AV_PIX_FMT_RGB48LE:
2379  *yuv2packed1 = yuv2rgb48le_1_c;
2380  *yuv2packed2 = yuv2rgb48le_2_c;
2381  *yuv2packedX = yuv2rgb48le_X_c;
2382  break;
2383  case AV_PIX_FMT_RGB48BE:
2384  *yuv2packed1 = yuv2rgb48be_1_c;
2385  *yuv2packed2 = yuv2rgb48be_2_c;
2386  *yuv2packedX = yuv2rgb48be_X_c;
2387  break;
2388  case AV_PIX_FMT_BGR48LE:
2389  *yuv2packed1 = yuv2bgr48le_1_c;
2390  *yuv2packed2 = yuv2bgr48le_2_c;
2391  *yuv2packedX = yuv2bgr48le_X_c;
2392  break;
2393  case AV_PIX_FMT_BGR48BE:
2394  *yuv2packed1 = yuv2bgr48be_1_c;
2395  *yuv2packed2 = yuv2bgr48be_2_c;
2396  *yuv2packedX = yuv2bgr48be_X_c;
2397  break;
2398  case AV_PIX_FMT_RGB32:
2399  case AV_PIX_FMT_BGR32:
2400 #if CONFIG_SMALL
2401  *yuv2packed1 = yuv2rgb32_1_c;
2402  *yuv2packed2 = yuv2rgb32_2_c;
2403  *yuv2packedX = yuv2rgb32_X_c;
2404 #else
2405 #if CONFIG_SWSCALE_ALPHA
2406  if (c->alpPixBuf) {
2407  *yuv2packed1 = yuv2rgba32_1_c;
2408  *yuv2packed2 = yuv2rgba32_2_c;
2409  *yuv2packedX = yuv2rgba32_X_c;
2410  } else
2411 #endif /* CONFIG_SWSCALE_ALPHA */
2412  {
2413  *yuv2packed1 = yuv2rgbx32_1_c;
2414  *yuv2packed2 = yuv2rgbx32_2_c;
2415  *yuv2packedX = yuv2rgbx32_X_c;
2416  }
2417 #endif /* !CONFIG_SMALL */
2418  break;
2419  case AV_PIX_FMT_RGB32_1:
2420  case AV_PIX_FMT_BGR32_1:
2421 #if CONFIG_SMALL
2422  *yuv2packed1 = yuv2rgb32_1_1_c;
2423  *yuv2packed2 = yuv2rgb32_1_2_c;
2424  *yuv2packedX = yuv2rgb32_1_X_c;
2425 #else
2426 #if CONFIG_SWSCALE_ALPHA
2427  if (c->alpPixBuf) {
2428  *yuv2packed1 = yuv2rgba32_1_1_c;
2429  *yuv2packed2 = yuv2rgba32_1_2_c;
2430  *yuv2packedX = yuv2rgba32_1_X_c;
2431  } else
2432 #endif /* CONFIG_SWSCALE_ALPHA */
2433  {
2434  *yuv2packed1 = yuv2rgbx32_1_1_c;
2435  *yuv2packed2 = yuv2rgbx32_1_2_c;
2436  *yuv2packedX = yuv2rgbx32_1_X_c;
2437  }
2438 #endif /* !CONFIG_SMALL */
2439  break;
2440  case AV_PIX_FMT_RGB24:
2441  *yuv2packed1 = yuv2rgb24_1_c;
2442  *yuv2packed2 = yuv2rgb24_2_c;
2443  *yuv2packedX = yuv2rgb24_X_c;
2444  break;
2445  case AV_PIX_FMT_BGR24:
2446  *yuv2packed1 = yuv2bgr24_1_c;
2447  *yuv2packed2 = yuv2bgr24_2_c;
2448  *yuv2packedX = yuv2bgr24_X_c;
2449  break;
2450  case AV_PIX_FMT_RGB565LE:
2451  case AV_PIX_FMT_RGB565BE:
2452  case AV_PIX_FMT_BGR565LE:
2453  case AV_PIX_FMT_BGR565BE:
2454  *yuv2packed1 = yuv2rgb16_1_c;
2455  *yuv2packed2 = yuv2rgb16_2_c;
2456  *yuv2packedX = yuv2rgb16_X_c;
2457  break;
2458  case AV_PIX_FMT_RGB555LE:
2459  case AV_PIX_FMT_RGB555BE:
2460  case AV_PIX_FMT_BGR555LE:
2461  case AV_PIX_FMT_BGR555BE:
2462  *yuv2packed1 = yuv2rgb15_1_c;
2463  *yuv2packed2 = yuv2rgb15_2_c;
2464  *yuv2packedX = yuv2rgb15_X_c;
2465  break;
2466  case AV_PIX_FMT_RGB444LE:
2467  case AV_PIX_FMT_RGB444BE:
2468  case AV_PIX_FMT_BGR444LE:
2469  case AV_PIX_FMT_BGR444BE:
2470  *yuv2packed1 = yuv2rgb12_1_c;
2471  *yuv2packed2 = yuv2rgb12_2_c;
2472  *yuv2packedX = yuv2rgb12_X_c;
2473  break;
2474  case AV_PIX_FMT_RGB8:
2475  case AV_PIX_FMT_BGR8:
2476  *yuv2packed1 = yuv2rgb8_1_c;
2477  *yuv2packed2 = yuv2rgb8_2_c;
2478  *yuv2packedX = yuv2rgb8_X_c;
2479  break;
2480  case AV_PIX_FMT_RGB4:
2481  case AV_PIX_FMT_BGR4:
2482  *yuv2packed1 = yuv2rgb4_1_c;
2483  *yuv2packed2 = yuv2rgb4_2_c;
2484  *yuv2packedX = yuv2rgb4_X_c;
2485  break;
2486  case AV_PIX_FMT_RGB4_BYTE:
2487  case AV_PIX_FMT_BGR4_BYTE:
2488  *yuv2packed1 = yuv2rgb4b_1_c;
2489  *yuv2packed2 = yuv2rgb4b_2_c;
2490  *yuv2packedX = yuv2rgb4b_X_c;
2491  break;
2492  }
2493  }
2494  switch (dstFormat) {
2495  case AV_PIX_FMT_MONOWHITE:
2496  *yuv2packed1 = yuv2monowhite_1_c;
2497  *yuv2packed2 = yuv2monowhite_2_c;
2498  *yuv2packedX = yuv2monowhite_X_c;
2499  break;
2500  case AV_PIX_FMT_MONOBLACK:
2501  *yuv2packed1 = yuv2monoblack_1_c;
2502  *yuv2packed2 = yuv2monoblack_2_c;
2503  *yuv2packedX = yuv2monoblack_X_c;
2504  break;
2505  case AV_PIX_FMT_YUYV422:
2506  *yuv2packed1 = yuv2yuyv422_1_c;
2507  *yuv2packed2 = yuv2yuyv422_2_c;
2508  *yuv2packedX = yuv2yuyv422_X_c;
2509  break;
2510  case AV_PIX_FMT_YVYU422:
2511  *yuv2packed1 = yuv2yvyu422_1_c;
2512  *yuv2packed2 = yuv2yvyu422_2_c;
2513  *yuv2packedX = yuv2yvyu422_X_c;
2514  break;
2515  case AV_PIX_FMT_UYVY422:
2516  *yuv2packed1 = yuv2uyvy422_1_c;
2517  *yuv2packed2 = yuv2uyvy422_2_c;
2518  *yuv2packedX = yuv2uyvy422_X_c;
2519  break;
2520  case AV_PIX_FMT_YA8:
2521  *yuv2packed1 = yuv2ya8_1_c;
2522  *yuv2packed2 = yuv2ya8_2_c;
2523  *yuv2packedX = yuv2ya8_X_c;
2524  break;
2525  case AV_PIX_FMT_AYUV64LE:
2526  *yuv2packedX = yuv2ayuv64le_X_c;
2527  break;
2528  }
2529 }
AV_PIX_FMT_UYVY422
packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1
Definition: pixfmt.h:83
SwsContext::alpPixBuf
int16_t ** alpPixBuf
Ring buffer for scaled horizontal alpha plane lines to be fed to the vertical scaler.
Definition: swscale_internal.h:356
NULL
#define NULL
Definition: coverity.c:32
val
const char const char void * val
Definition: avisynth_c.h:634
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:1425
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:2028
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:2076
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:2157
YUVRGB_TABLE_HEADROOM
#define YUVRGB_TABLE_HEADROOM
Definition: swscale_internal.h:42
X_DITHER
#define X_DITHER(u, v)
AV_PIX_FMT_YA8
8bit gray, 8bit alpha
Definition: pixfmt.h:155
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:220
A1
#define A1
Definition: binkdsp.c:31
AV_PIX_FMT_RGB24
packed RGB 8:8:8, 24bpp, RGBRGB...
Definition: pixfmt.h:65
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:86
g
const char * g
Definition: vf_curves.c:108
accumulate_bit
#define accumulate_bit(acc, val)
Definition: output.c:314
acc
int acc
Definition: yuv2rgb.c:543
yuv2rgb
static void yuv2rgb(uint8_t *out, int ridx, int Y, int U, int V)
Definition: g2meet.c:276
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:1770
AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:181
AV_PIX_FMT_RGB555LE
packed RGB 5:5:5, 16bpp, (msb)1X 5R 5G 5B(lsb), little-endian, X=unused/undefined ...
Definition: pixfmt.h:117
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:219
b
const char * b
Definition: vf_curves.c:109
SwsContext::table_bU
uint8_t * table_bU[256+2 *YUVRGB_TABLE_HEADROOM]
Definition: swscale_internal.h:411
av_bswap16
#define av_bswap16
Definition: bswap.h:31
DECLARE_ALIGNED
#define DECLARE_ALIGNED(n, t, v)
Definition: mem.h:53
is16BPS
static av_always_inline int is16BPS(enum AVPixelFormat pix_fmt)
Definition: swscale_internal.h:653
avutil.h
external API header
AV_PIX_FMT_BGR565LE
packed BGR 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), little-endian
Definition: pixfmt.h:120
AV_PIX_FMT_GBRP12LE
planar GBR 4:4:4 36bpp, little-endian
Definition: pixfmt.h:263
AV_PIX_FMT_RGB444BE
packed RGB 4:4:4, 16bpp, (msb)4X 4R 4G 4B(lsb), big-endian, X=unused/undefined
Definition: pixfmt.h:152
AV_PIX_FMT_RGB444
#define AV_PIX_FMT_RGB444
Definition: pixfmt.h:319
AV_PIX_FMT_GBRP12BE
planar GBR 4:4:4 36bpp, big-endian
Definition: pixfmt.h:262
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:89
output_pixels
#define output_pixels(pos, Y1, U, Y2, V)
Definition: output.c:524
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:115
AV_PIX_FMT_BGR4_BYTE
packed RGB 1:2:1, 8bpp, (msb)1B 2G 1R(lsb)
Definition: pixfmt.h:87
ff_dither_8x8_32
const uint8_t ff_dither_8x8_32[][8]
Definition: output.c:59
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
G
Definition: vf_geq.c:46
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:137
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:173
av_assert2
#define av_assert2(cond)
assert() equivalent, that does lie in speed critical code.
Definition: avassert.h:63
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:112
Y
#define Y
Definition: vf_boxblur.c:76
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:272
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:217
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:1961
AV_PIX_FMT_RGB444LE
packed RGB 4:4:4, 16bpp, (msb)4X 4R 4G 4B(lsb), little-endian, X=unused/undefined ...
Definition: pixfmt.h:151
SWS_FULL_CHR_H_INT
#define SWS_FULL_CHR_H_INT
Definition: swscale.h:77
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, uint8_t clip)
Definition: cfhd.c:82
AV_PIX_FMT_RGB565BE
packed RGB 5:6:5, 16bpp, (msb) 5R 6G 5B(lsb), big-endian
Definition: pixfmt.h:114
AV_PIX_FMT_ABGR
packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
Definition: pixfmt.h:96
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:1851
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:582
AV_PIX_FMT_GBRP16BE
planar GBR 4:4:4 48bpp, big-endian
Definition: pixfmt.h:186
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:1725
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:1675
SwsContext::dstFormat
enum AVPixelFormat dstFormat
Destination pixel format.
Definition: swscale_internal.h:304
SwsContext::table_gU
uint8_t * table_gU[256+2 *YUVRGB_TABLE_HEADROOM]
Definition: swscale_internal.h:410
A
#define A(x)
Definition: vp56_arith.h:28
SwsContext::dither_error
int * dither_error[4]
Definition: swscale_internal.h:424
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:173
U
#define U(x)
Definition: vp56_arith.h:37
AV_PIX_FMT_GBRP9BE
planar GBR 4:4:4 27bpp, big-endian
Definition: pixfmt.h:182
A2
#define A2
Definition: binkdsp.c:32
B_R
#define B_R
Definition: output.c:676
SWS_DITHER_X_DITHER
Definition: swscale_internal.h:75
AV_PIX_FMT_BGR32_1
#define AV_PIX_FMT_BGR32_1
Definition: pixfmt.h:310
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:1051
SWS_DITHER_AUTO
Definition: swscale_internal.h:71
d64
const uint8_t * d64
Definition: yuv2rgb.c:491
AV_PIX_FMT_BGRA
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
Definition: pixfmt.h:97
r
const char * r
Definition: vf_curves.c:107
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:685
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:91
avassert.h
simple assert() macros that are a bit more flexible than ISO C assert().
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:206
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:226
AV_PIX_FMT_ARGB
packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
Definition: pixfmt.h:94
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:161
AV_PIX_FMT_RGBA
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
Definition: pixfmt.h:95
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:378
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:615
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:92
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:102
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:1992
AV_PIX_FMT_RGB4_BYTE
packed RGB 1:2:1, 8bpp, (msb)1R 2G 1B(lsb)
Definition: pixfmt.h:90
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:439
is9_OR_10BPS
static av_always_inline int is9_OR_10BPS(enum AVPixelFormat pix_fmt)
Definition: swscale_internal.h:660
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:268
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:222
SwsContext::table_gV
int table_gV[256+2 *YUVRGB_TABLE_HEADROOM]
Definition: swscale_internal.h:408
AV_PIX_FMT_BGR24
packed RGB 8:8:8, 24bpp, BGRBGR...
Definition: pixfmt.h:66
SwsContext::table_rV
uint8_t * table_rV[256+2 *YUVRGB_TABLE_HEADROOM]
Definition: swscale_internal.h:409
src
#define src
Definition: vp9dsp.c:530
swscale_internal.h
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:160
AV_PIX_FMT_BGR565BE
packed BGR 5:6:5, 16bpp, (msb) 5B 6G 5R(lsb), big-endian
Definition: pixfmt.h:119
AV_PIX_FMT_BGR555
#define AV_PIX_FMT_BGR555
Definition: pixfmt.h:323
B
Definition: vf_geq.c:46
AV_PIX_FMT_BGR32
#define AV_PIX_FMT_BGR32
Definition: pixfmt.h:309
isBE
static av_always_inline int isBE(enum AVPixelFormat pix_fmt)
Definition: swscale_internal.h:669
YUV2PACKED16WRAPPER
#define YUV2PACKED16WRAPPER(name, base, ext, fmt, hasAlpha, eightbytes)
Definition: output.c:1131
AV_PIX_FMT_BGR8
packed RGB 3:3:2, 8bpp, (msb)2B 3G 3R(lsb)
Definition: pixfmt.h:85
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:325
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:1935
AV_PIX_FMT_GBRP10BE
planar GBR 4:4:4 30bpp, big-endian
Definition: pixfmt.h:184
AV_PIX_FMT_RGB32
#define AV_PIX_FMT_RGB32
Definition: pixfmt.h:307
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:1385
AV_PIX_FMT_YUYV422
packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr
Definition: pixfmt.h:64
AV_PIX_FMT_GBRP14LE
planar GBR 4:4:4 42bpp, little-endian
Definition: pixfmt.h:265
ff_dither_8x8_73
const uint8_t ff_dither_8x8_73[][8]
Definition: output.c:71
buf
void * buf
Definition: avisynth_c.h:553
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:543
bswap.h
byte swapping routines
d32
const uint8_t * d32
Definition: yuv2rgb.c:490
AV_PIX_FMT_GBRP14BE
planar GBR 4:4:4 42bpp, big-endian
Definition: pixfmt.h:264
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:1212
AV_PIX_FMT_BGR555LE
packed BGR 5:5:5, 16bpp, (msb)1X 5B 5G 5R(lsb), little-endian, X=unused/undefined ...
Definition: pixfmt.h:122
SH
#define SH(val, pdst)
Definition: generic_macros_msa.h:190
R
Definition: vf_geq.c:46
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:935
YUV2RGBWRAPPER
#define YUV2RGBWRAPPER(name, base, ext, fmt, hasAlpha)
Definition: output.c:1504
AV_PIX_FMT_BGR565
#define AV_PIX_FMT_BGR565
Definition: pixfmt.h:322
SwsContext::chrDither8
const uint8_t * chrDither8
Definition: swscale_internal.h:502
AV_PIX_FMT_RGB555BE
packed RGB 5:5:5, 16bpp, (msb)1X 5R 5G 5B(lsb), big-endian , X=unused/undefined
Definition: pixfmt.h:116
AV_PIX_FMT_BGR444BE
packed BGR 4:4:4, 16bpp, (msb)4X 4B 4G 4R(lsb), big-endian, X=unused/undefined
Definition: pixfmt.h:154
SwsContext::dither
SwsDither dither
Definition: swscale_internal.h:632
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:73
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:118
if
if(ret< 0)
Definition: vf_mcdeint.c:282
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:206
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:72
AV_PIX_FMT_GBRAP
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:229
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:1331
AV_PIX_FMT_GBRP9LE
planar GBR 4:4:4 27bpp, little-endian
Definition: pixfmt.h:183
c
static double c[64]
Definition: vsrc_mptestsrc.c:87
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:238
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:111
AV_PIX_FMT_BGR444
#define AV_PIX_FMT_BGR444
Definition: pixfmt.h:324
AV_WL16
#define AV_WL16(p, v)
Definition: intreadwrite.h:412
output_pixel
#define output_pixel(pos, val, bias, signedness)
Definition: output.c:677
d128
const uint8_t * d128
Definition: yuv2rgb.c:542
AV_PIX_FMT_RGB8
packed RGB 3:3:2, 8bpp, (msb)2R 3G 3B(lsb)
Definition: pixfmt.h:88
AV_PIX_FMT_RGB555
#define AV_PIX_FMT_RGB555
Definition: pixfmt.h:318
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:1535
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:999
SWS_DITHER_ED
Definition: swscale_internal.h:73
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:832
AV_PIX_FMT_RGB32_1
#define AV_PIX_FMT_RGB32_1
Definition: pixfmt.h:308
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:193
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:278
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:767
AV_PIX_FMT_RGB565
#define AV_PIX_FMT_RGB565
Definition: pixfmt.h:317
AV_PIX_FMT_BGR555BE
packed BGR 5:5:5, 16bpp, (msb)1X 5B 5G 5R(lsb), big-endian , X=unused/undefined
Definition: pixfmt.h:121
R_B
#define R_B
Definition: output.c:675
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:187
AV_PIX_FMT_BGR444LE
packed BGR 4:4:4, 16bpp, (msb)4X 4B 4G 4R(lsb), little-endian, X=unused/undefined ...
Definition: pixfmt.h:153
AVComponentDescriptor::depth
int depth
Number of bits in the component.
Definition: pixdesc.h:58
YUV2PACKEDWRAPPER
#define YUV2PACKEDWRAPPER(name, base, ext, fmt)
Definition: output.c:489
SwsContext::flags
int flags
Flags passed by the user to select scaler algorithm, optimizations, subsampling, etc...
Definition: swscale_internal.h:404
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:61
SWS_DITHER_A_DITHER
Definition: swscale_internal.h:74
AV_PIX_FMT_GBRP10LE
planar GBR 4:4:4 30bpp, little-endian
Definition: pixfmt.h:185
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:218
AV_PIX_FMT_AYUV64LE
packed AYUV 4:4:4,64bpp (1 Cr & Cb sample per 1x1 Y & A samples), little-endian
Definition: pixfmt.h:287
V
#define V
Definition: avdct.c:30
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