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swscale_unscaled.c
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1 /*
2  * Copyright (C) 2001-2011 Michael Niedermayer <michaelni@gmx.at>
3  *
4  * This file is part of FFmpeg.
5  *
6  * FFmpeg is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * FFmpeg is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with FFmpeg; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #include <inttypes.h>
22 #include <string.h>
23 #include <math.h>
24 #include <stdio.h>
25 #include "config.h"
26 #include "swscale.h"
27 #include "swscale_internal.h"
28 #include "rgb2rgb.h"
29 #include "libavutil/intreadwrite.h"
30 #include "libavutil/cpu.h"
31 #include "libavutil/avutil.h"
32 #include "libavutil/mathematics.h"
33 #include "libavutil/bswap.h"
34 #include "libavutil/pixdesc.h"
35 #include "libavutil/avassert.h"
36 #include "libavutil/avconfig.h"
37 
38 DECLARE_ALIGNED(8, static const uint8_t, dithers)[8][8][8]={
39 {
40  { 0, 1, 0, 1, 0, 1, 0, 1,},
41  { 1, 0, 1, 0, 1, 0, 1, 0,},
42  { 0, 1, 0, 1, 0, 1, 0, 1,},
43  { 1, 0, 1, 0, 1, 0, 1, 0,},
44  { 0, 1, 0, 1, 0, 1, 0, 1,},
45  { 1, 0, 1, 0, 1, 0, 1, 0,},
46  { 0, 1, 0, 1, 0, 1, 0, 1,},
47  { 1, 0, 1, 0, 1, 0, 1, 0,},
48 },{
49  { 1, 2, 1, 2, 1, 2, 1, 2,},
50  { 3, 0, 3, 0, 3, 0, 3, 0,},
51  { 1, 2, 1, 2, 1, 2, 1, 2,},
52  { 3, 0, 3, 0, 3, 0, 3, 0,},
53  { 1, 2, 1, 2, 1, 2, 1, 2,},
54  { 3, 0, 3, 0, 3, 0, 3, 0,},
55  { 1, 2, 1, 2, 1, 2, 1, 2,},
56  { 3, 0, 3, 0, 3, 0, 3, 0,},
57 },{
58  { 2, 4, 3, 5, 2, 4, 3, 5,},
59  { 6, 0, 7, 1, 6, 0, 7, 1,},
60  { 3, 5, 2, 4, 3, 5, 2, 4,},
61  { 7, 1, 6, 0, 7, 1, 6, 0,},
62  { 2, 4, 3, 5, 2, 4, 3, 5,},
63  { 6, 0, 7, 1, 6, 0, 7, 1,},
64  { 3, 5, 2, 4, 3, 5, 2, 4,},
65  { 7, 1, 6, 0, 7, 1, 6, 0,},
66 },{
67  { 4, 8, 7, 11, 4, 8, 7, 11,},
68  { 12, 0, 15, 3, 12, 0, 15, 3,},
69  { 6, 10, 5, 9, 6, 10, 5, 9,},
70  { 14, 2, 13, 1, 14, 2, 13, 1,},
71  { 4, 8, 7, 11, 4, 8, 7, 11,},
72  { 12, 0, 15, 3, 12, 0, 15, 3,},
73  { 6, 10, 5, 9, 6, 10, 5, 9,},
74  { 14, 2, 13, 1, 14, 2, 13, 1,},
75 },{
76  { 9, 17, 15, 23, 8, 16, 14, 22,},
77  { 25, 1, 31, 7, 24, 0, 30, 6,},
78  { 13, 21, 11, 19, 12, 20, 10, 18,},
79  { 29, 5, 27, 3, 28, 4, 26, 2,},
80  { 8, 16, 14, 22, 9, 17, 15, 23,},
81  { 24, 0, 30, 6, 25, 1, 31, 7,},
82  { 12, 20, 10, 18, 13, 21, 11, 19,},
83  { 28, 4, 26, 2, 29, 5, 27, 3,},
84 },{
85  { 18, 34, 30, 46, 17, 33, 29, 45,},
86  { 50, 2, 62, 14, 49, 1, 61, 13,},
87  { 26, 42, 22, 38, 25, 41, 21, 37,},
88  { 58, 10, 54, 6, 57, 9, 53, 5,},
89  { 16, 32, 28, 44, 19, 35, 31, 47,},
90  { 48, 0, 60, 12, 51, 3, 63, 15,},
91  { 24, 40, 20, 36, 27, 43, 23, 39,},
92  { 56, 8, 52, 4, 59, 11, 55, 7,},
93 },{
94  { 18, 34, 30, 46, 17, 33, 29, 45,},
95  { 50, 2, 62, 14, 49, 1, 61, 13,},
96  { 26, 42, 22, 38, 25, 41, 21, 37,},
97  { 58, 10, 54, 6, 57, 9, 53, 5,},
98  { 16, 32, 28, 44, 19, 35, 31, 47,},
99  { 48, 0, 60, 12, 51, 3, 63, 15,},
100  { 24, 40, 20, 36, 27, 43, 23, 39,},
101  { 56, 8, 52, 4, 59, 11, 55, 7,},
102 },{
103  { 36, 68, 60, 92, 34, 66, 58, 90,},
104  { 100, 4,124, 28, 98, 2,122, 26,},
105  { 52, 84, 44, 76, 50, 82, 42, 74,},
106  { 116, 20,108, 12,114, 18,106, 10,},
107  { 32, 64, 56, 88, 38, 70, 62, 94,},
108  { 96, 0,120, 24,102, 6,126, 30,},
109  { 48, 80, 40, 72, 54, 86, 46, 78,},
110  { 112, 16,104, 8,118, 22,110, 14,},
111 }};
112 
113 static const uint16_t dither_scale[15][16]={
114 { 2, 3, 3, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,},
115 { 2, 3, 7, 7, 13, 13, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25,},
116 { 3, 3, 4, 15, 15, 29, 57, 57, 57, 113, 113, 113, 113, 113, 113, 113,},
117 { 3, 4, 4, 5, 31, 31, 61, 121, 241, 241, 241, 241, 481, 481, 481, 481,},
118 { 3, 4, 5, 5, 6, 63, 63, 125, 249, 497, 993, 993, 993, 993, 993, 1985,},
119 { 3, 5, 6, 6, 6, 7, 127, 127, 253, 505, 1009, 2017, 4033, 4033, 4033, 4033,},
120 { 3, 5, 6, 7, 7, 7, 8, 255, 255, 509, 1017, 2033, 4065, 8129,16257,16257,},
121 { 3, 5, 6, 8, 8, 8, 8, 9, 511, 511, 1021, 2041, 4081, 8161,16321,32641,},
122 { 3, 5, 7, 8, 9, 9, 9, 9, 10, 1023, 1023, 2045, 4089, 8177,16353,32705,},
123 { 3, 5, 7, 8, 10, 10, 10, 10, 10, 11, 2047, 2047, 4093, 8185,16369,32737,},
124 { 3, 5, 7, 8, 10, 11, 11, 11, 11, 11, 12, 4095, 4095, 8189,16377,32753,},
125 { 3, 5, 7, 9, 10, 12, 12, 12, 12, 12, 12, 13, 8191, 8191,16381,32761,},
126 { 3, 5, 7, 9, 10, 12, 13, 13, 13, 13, 13, 13, 14,16383,16383,32765,},
127 { 3, 5, 7, 9, 10, 12, 14, 14, 14, 14, 14, 14, 14, 15,32767,32767,},
128 { 3, 5, 7, 9, 11, 12, 14, 15, 15, 15, 15, 15, 15, 15, 16,65535,},
129 };
130 
131 
132 static void fillPlane(uint8_t *plane, int stride, int width, int height, int y,
133  uint8_t val)
134 {
135  int i;
136  uint8_t *ptr = plane + stride * y;
137  for (i = 0; i < height; i++) {
138  memset(ptr, val, width);
139  ptr += stride;
140  }
141 }
142 
143 static void copyPlane(const uint8_t *src, int srcStride,
144  int srcSliceY, int srcSliceH, int width,
145  uint8_t *dst, int dstStride)
146 {
147  dst += dstStride * srcSliceY;
148  if (dstStride == srcStride && srcStride > 0) {
149  memcpy(dst, src, srcSliceH * dstStride);
150  } else {
151  int i;
152  for (i = 0; i < srcSliceH; i++) {
153  memcpy(dst, src, width);
154  src += srcStride;
155  dst += dstStride;
156  }
157  }
158 }
159 
160 static int planarToNv12Wrapper(SwsContext *c, const uint8_t *src[],
161  int srcStride[], int srcSliceY,
162  int srcSliceH, uint8_t *dstParam[],
163  int dstStride[])
164 {
165  uint8_t *dst = dstParam[1] + dstStride[1] * srcSliceY / 2;
166 
167  copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
168  dstParam[0], dstStride[0]);
169 
170  if (c->dstFormat == AV_PIX_FMT_NV12)
171  interleaveBytes(src[1], src[2], dst, c->srcW / 2, srcSliceH / 2,
172  srcStride[1], srcStride[2], dstStride[1]);
173  else
174  interleaveBytes(src[2], src[1], dst, c->srcW / 2, srcSliceH / 2,
175  srcStride[2], srcStride[1], dstStride[1]);
176 
177  return srcSliceH;
178 }
179 
180 static int nv12ToPlanarWrapper(SwsContext *c, const uint8_t *src[],
181  int srcStride[], int srcSliceY,
182  int srcSliceH, uint8_t *dstParam[],
183  int dstStride[])
184 {
185  uint8_t *dst1 = dstParam[1] + dstStride[1] * srcSliceY / 2;
186  uint8_t *dst2 = dstParam[2] + dstStride[2] * srcSliceY / 2;
187 
188  copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
189  dstParam[0], dstStride[0]);
190 
191  if (c->srcFormat == AV_PIX_FMT_NV12)
192  deinterleaveBytes(src[1], dst1, dst2,c->srcW / 2, srcSliceH / 2,
193  srcStride[1], dstStride[1], dstStride[2]);
194  else
195  deinterleaveBytes(src[1], dst2, dst1, c->srcW / 2, srcSliceH / 2,
196  srcStride[1], dstStride[2], dstStride[1]);
197 
198  return srcSliceH;
199 }
200 
201 static int planarToP010Wrapper(SwsContext *c, const uint8_t *src8[],
202  int srcStride[], int srcSliceY,
203  int srcSliceH, uint8_t *dstParam8[],
204  int dstStride[])
205 {
206  const uint16_t **src = (const uint16_t**)src8;
207  uint16_t *dstY = (uint16_t*)(dstParam8[0] + dstStride[0] * srcSliceY);
208  uint16_t *dstUV = (uint16_t*)(dstParam8[1] + dstStride[1] * srcSliceY / 2);
209  int x, y;
210 
211  av_assert0(!(srcStride[0] % 2 || srcStride[1] % 2 || srcStride[2] % 2 ||
212  dstStride[0] % 2 || dstStride[1] % 2));
213 
214  for (y = 0; y < srcSliceH; y++) {
215  uint16_t *tdstY = dstY;
216  const uint16_t *tsrc0 = src[0];
217  for (x = c->srcW; x > 0; x--) {
218  *tdstY++ = *tsrc0++ << 6;
219  }
220  src[0] += srcStride[0] / 2;
221  dstY += dstStride[0] / 2;
222 
223  if (!(y & 1)) {
224  uint16_t *tdstUV = dstUV;
225  const uint16_t *tsrc1 = src[1];
226  const uint16_t *tsrc2 = src[2];
227  for (x = c->srcW / 2; x > 0; x--) {
228  *tdstUV++ = *tsrc1++ << 6;
229  *tdstUV++ = *tsrc2++ << 6;
230  }
231  src[1] += srcStride[1] / 2;
232  src[2] += srcStride[2] / 2;
233  dstUV += dstStride[1] / 2;
234  }
235  }
236 
237  return srcSliceH;
238 }
239 
240 #if AV_HAVE_BIGENDIAN
241 #define output_pixel(p, v) do { \
242  uint16_t *pp = (p); \
243  AV_WL16(pp, (v)); \
244  } while(0)
245 #else
246 #define output_pixel(p, v) (*p) = (v)
247 #endif
248 
249 static int planar8ToP01xleWrapper(SwsContext *c, const uint8_t *src[],
250  int srcStride[], int srcSliceY,
251  int srcSliceH, uint8_t *dstParam8[],
252  int dstStride[])
253 {
254  uint16_t *dstY = (uint16_t*)(dstParam8[0] + dstStride[0] * srcSliceY);
255  uint16_t *dstUV = (uint16_t*)(dstParam8[1] + dstStride[1] * srcSliceY / 2);
256  int x, y, t;
257 
258  av_assert0(!(dstStride[0] % 2 || dstStride[1] % 2));
259 
260  for (y = 0; y < srcSliceH; y++) {
261  uint16_t *tdstY = dstY;
262  const uint8_t *tsrc0 = src[0];
263  for (x = c->srcW; x > 0; x--) {
264  t = *tsrc0++;
265  output_pixel(tdstY++, t | (t << 8));
266  }
267  src[0] += srcStride[0];
268  dstY += dstStride[0] / 2;
269 
270  if (!(y & 1)) {
271  uint16_t *tdstUV = dstUV;
272  const uint8_t *tsrc1 = src[1];
273  const uint8_t *tsrc2 = src[2];
274  for (x = c->srcW / 2; x > 0; x--) {
275  t = *tsrc1++;
276  output_pixel(tdstUV++, t | (t << 8));
277  t = *tsrc2++;
278  output_pixel(tdstUV++, t | (t << 8));
279  }
280  src[1] += srcStride[1];
281  src[2] += srcStride[2];
282  dstUV += dstStride[1] / 2;
283  }
284  }
285 
286  return srcSliceH;
287 }
288 
289 #undef output_pixel
290 
291 static int planarToYuy2Wrapper(SwsContext *c, const uint8_t *src[],
292  int srcStride[], int srcSliceY, int srcSliceH,
293  uint8_t *dstParam[], int dstStride[])
294 {
295  uint8_t *dst = dstParam[0] + dstStride[0] * srcSliceY;
296 
297  yv12toyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0],
298  srcStride[1], dstStride[0]);
299 
300  return srcSliceH;
301 }
302 
303 static int planarToUyvyWrapper(SwsContext *c, const uint8_t *src[],
304  int srcStride[], int srcSliceY, int srcSliceH,
305  uint8_t *dstParam[], int dstStride[])
306 {
307  uint8_t *dst = dstParam[0] + dstStride[0] * srcSliceY;
308 
309  yv12touyvy(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0],
310  srcStride[1], dstStride[0]);
311 
312  return srcSliceH;
313 }
314 
315 static int yuv422pToYuy2Wrapper(SwsContext *c, const uint8_t *src[],
316  int srcStride[], int srcSliceY, int srcSliceH,
317  uint8_t *dstParam[], int dstStride[])
318 {
319  uint8_t *dst = dstParam[0] + dstStride[0] * srcSliceY;
320 
321  yuv422ptoyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0],
322  srcStride[1], dstStride[0]);
323 
324  return srcSliceH;
325 }
326 
327 static int yuv422pToUyvyWrapper(SwsContext *c, const uint8_t *src[],
328  int srcStride[], int srcSliceY, int srcSliceH,
329  uint8_t *dstParam[], int dstStride[])
330 {
331  uint8_t *dst = dstParam[0] + dstStride[0] * srcSliceY;
332 
333  yuv422ptouyvy(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0],
334  srcStride[1], dstStride[0]);
335 
336  return srcSliceH;
337 }
338 
339 static int yuyvToYuv420Wrapper(SwsContext *c, const uint8_t *src[],
340  int srcStride[], int srcSliceY, int srcSliceH,
341  uint8_t *dstParam[], int dstStride[])
342 {
343  uint8_t *ydst = dstParam[0] + dstStride[0] * srcSliceY;
344  uint8_t *udst = dstParam[1] + dstStride[1] * srcSliceY / 2;
345  uint8_t *vdst = dstParam[2] + dstStride[2] * srcSliceY / 2;
346 
347  yuyvtoyuv420(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0],
348  dstStride[1], srcStride[0]);
349 
350  if (dstParam[3])
351  fillPlane(dstParam[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
352 
353  return srcSliceH;
354 }
355 
356 static int yuyvToYuv422Wrapper(SwsContext *c, const uint8_t *src[],
357  int srcStride[], int srcSliceY, int srcSliceH,
358  uint8_t *dstParam[], int dstStride[])
359 {
360  uint8_t *ydst = dstParam[0] + dstStride[0] * srcSliceY;
361  uint8_t *udst = dstParam[1] + dstStride[1] * srcSliceY;
362  uint8_t *vdst = dstParam[2] + dstStride[2] * srcSliceY;
363 
364  yuyvtoyuv422(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0],
365  dstStride[1], srcStride[0]);
366 
367  return srcSliceH;
368 }
369 
370 static int uyvyToYuv420Wrapper(SwsContext *c, const uint8_t *src[],
371  int srcStride[], int srcSliceY, int srcSliceH,
372  uint8_t *dstParam[], int dstStride[])
373 {
374  uint8_t *ydst = dstParam[0] + dstStride[0] * srcSliceY;
375  uint8_t *udst = dstParam[1] + dstStride[1] * srcSliceY / 2;
376  uint8_t *vdst = dstParam[2] + dstStride[2] * srcSliceY / 2;
377 
378  uyvytoyuv420(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0],
379  dstStride[1], srcStride[0]);
380 
381  if (dstParam[3])
382  fillPlane(dstParam[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
383 
384  return srcSliceH;
385 }
386 
387 static int uyvyToYuv422Wrapper(SwsContext *c, const uint8_t *src[],
388  int srcStride[], int srcSliceY, int srcSliceH,
389  uint8_t *dstParam[], int dstStride[])
390 {
391  uint8_t *ydst = dstParam[0] + dstStride[0] * srcSliceY;
392  uint8_t *udst = dstParam[1] + dstStride[1] * srcSliceY;
393  uint8_t *vdst = dstParam[2] + dstStride[2] * srcSliceY;
394 
395  uyvytoyuv422(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0],
396  dstStride[1], srcStride[0]);
397 
398  return srcSliceH;
399 }
400 
401 static void gray8aToPacked32(const uint8_t *src, uint8_t *dst, int num_pixels,
402  const uint8_t *palette)
403 {
404  int i;
405  for (i = 0; i < num_pixels; i++)
406  ((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i << 1]] | (src[(i << 1) + 1] << 24);
407 }
408 
409 static void gray8aToPacked32_1(const uint8_t *src, uint8_t *dst, int num_pixels,
410  const uint8_t *palette)
411 {
412  int i;
413 
414  for (i = 0; i < num_pixels; i++)
415  ((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i << 1]] | src[(i << 1) + 1];
416 }
417 
418 static void gray8aToPacked24(const uint8_t *src, uint8_t *dst, int num_pixels,
419  const uint8_t *palette)
420 {
421  int i;
422 
423  for (i = 0; i < num_pixels; i++) {
424  //FIXME slow?
425  dst[0] = palette[src[i << 1] * 4 + 0];
426  dst[1] = palette[src[i << 1] * 4 + 1];
427  dst[2] = palette[src[i << 1] * 4 + 2];
428  dst += 3;
429  }
430 }
431 
432 static int packed_16bpc_bswap(SwsContext *c, const uint8_t *src[],
433  int srcStride[], int srcSliceY, int srcSliceH,
434  uint8_t *dst[], int dstStride[])
435 {
436  int i, j, p;
437 
438  for (p = 0; p < 4; p++) {
439  int srcstr = srcStride[p] / 2;
440  int dststr = dstStride[p] / 2;
441  uint16_t *dstPtr = (uint16_t *) dst[p];
442  const uint16_t *srcPtr = (const uint16_t *) src[p];
443  int min_stride = FFMIN(FFABS(srcstr), FFABS(dststr));
444  if(!dstPtr || !srcPtr)
445  continue;
446  dstPtr += (srcSliceY >> c->chrDstVSubSample) * dststr;
447  for (i = 0; i < (srcSliceH >> c->chrDstVSubSample); i++) {
448  for (j = 0; j < min_stride; j++) {
449  dstPtr[j] = av_bswap16(srcPtr[j]);
450  }
451  srcPtr += srcstr;
452  dstPtr += dststr;
453  }
454  }
455 
456  return srcSliceH;
457 }
458 
459 static int palToRgbWrapper(SwsContext *c, const uint8_t *src[], int srcStride[],
460  int srcSliceY, int srcSliceH, uint8_t *dst[],
461  int dstStride[])
462 {
463  const enum AVPixelFormat srcFormat = c->srcFormat;
464  const enum AVPixelFormat dstFormat = c->dstFormat;
465  void (*conv)(const uint8_t *src, uint8_t *dst, int num_pixels,
466  const uint8_t *palette) = NULL;
467  int i;
468  uint8_t *dstPtr = dst[0] + dstStride[0] * srcSliceY;
469  const uint8_t *srcPtr = src[0];
470 
471  if (srcFormat == AV_PIX_FMT_YA8) {
472  switch (dstFormat) {
473  case AV_PIX_FMT_RGB32 : conv = gray8aToPacked32; break;
474  case AV_PIX_FMT_BGR32 : conv = gray8aToPacked32; break;
475  case AV_PIX_FMT_BGR32_1: conv = gray8aToPacked32_1; break;
476  case AV_PIX_FMT_RGB32_1: conv = gray8aToPacked32_1; break;
477  case AV_PIX_FMT_RGB24 : conv = gray8aToPacked24; break;
478  case AV_PIX_FMT_BGR24 : conv = gray8aToPacked24; break;
479  }
480  } else if (usePal(srcFormat)) {
481  switch (dstFormat) {
482  case AV_PIX_FMT_RGB32 : conv = sws_convertPalette8ToPacked32; break;
483  case AV_PIX_FMT_BGR32 : conv = sws_convertPalette8ToPacked32; break;
484  case AV_PIX_FMT_BGR32_1: conv = sws_convertPalette8ToPacked32; break;
485  case AV_PIX_FMT_RGB32_1: conv = sws_convertPalette8ToPacked32; break;
486  case AV_PIX_FMT_RGB24 : conv = sws_convertPalette8ToPacked24; break;
487  case AV_PIX_FMT_BGR24 : conv = sws_convertPalette8ToPacked24; break;
488  }
489  }
490 
491  if (!conv)
492  av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
493  av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat));
494  else {
495  for (i = 0; i < srcSliceH; i++) {
496  conv(srcPtr, dstPtr, c->srcW, (uint8_t *) c->pal_rgb);
497  srcPtr += srcStride[0];
498  dstPtr += dstStride[0];
499  }
500  }
501 
502  return srcSliceH;
503 }
504 
505 static void packed16togbra16(const uint8_t *src, int srcStride,
506  uint16_t *dst[], int dstStride[], int srcSliceH,
507  int src_alpha, int swap, int shift, int width)
508 {
509  int x, h, i;
510  int dst_alpha = dst[3] != NULL;
511  for (h = 0; h < srcSliceH; h++) {
512  uint16_t *src_line = (uint16_t *)(src + srcStride * h);
513  switch (swap) {
514  case 3:
515  if (src_alpha && dst_alpha) {
516  for (x = 0; x < width; x++) {
517  dst[0][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
518  dst[1][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
519  dst[2][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
520  dst[3][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
521  }
522  } else if (dst_alpha) {
523  for (x = 0; x < width; x++) {
524  dst[0][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
525  dst[1][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
526  dst[2][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
527  dst[3][x] = 0xFFFF;
528  }
529  } else if (src_alpha) {
530  for (x = 0; x < width; x++) {
531  dst[0][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
532  dst[1][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
533  dst[2][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
534  src_line++;
535  }
536  } else {
537  for (x = 0; x < width; x++) {
538  dst[0][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
539  dst[1][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
540  dst[2][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
541  }
542  }
543  break;
544  case 2:
545  if (src_alpha && dst_alpha) {
546  for (x = 0; x < width; x++) {
547  dst[0][x] = av_bswap16(*src_line++ >> shift);
548  dst[1][x] = av_bswap16(*src_line++ >> shift);
549  dst[2][x] = av_bswap16(*src_line++ >> shift);
550  dst[3][x] = av_bswap16(*src_line++ >> shift);
551  }
552  } else if (dst_alpha) {
553  for (x = 0; x < width; x++) {
554  dst[0][x] = av_bswap16(*src_line++ >> shift);
555  dst[1][x] = av_bswap16(*src_line++ >> shift);
556  dst[2][x] = av_bswap16(*src_line++ >> shift);
557  dst[3][x] = 0xFFFF;
558  }
559  } else if (src_alpha) {
560  for (x = 0; x < width; x++) {
561  dst[0][x] = av_bswap16(*src_line++ >> shift);
562  dst[1][x] = av_bswap16(*src_line++ >> shift);
563  dst[2][x] = av_bswap16(*src_line++ >> shift);
564  src_line++;
565  }
566  } else {
567  for (x = 0; x < width; x++) {
568  dst[0][x] = av_bswap16(*src_line++ >> shift);
569  dst[1][x] = av_bswap16(*src_line++ >> shift);
570  dst[2][x] = av_bswap16(*src_line++ >> shift);
571  }
572  }
573  break;
574  case 1:
575  if (src_alpha && dst_alpha) {
576  for (x = 0; x < width; x++) {
577  dst[0][x] = av_bswap16(*src_line++) >> shift;
578  dst[1][x] = av_bswap16(*src_line++) >> shift;
579  dst[2][x] = av_bswap16(*src_line++) >> shift;
580  dst[3][x] = av_bswap16(*src_line++) >> shift;
581  }
582  } else if (dst_alpha) {
583  for (x = 0; x < width; x++) {
584  dst[0][x] = av_bswap16(*src_line++) >> shift;
585  dst[1][x] = av_bswap16(*src_line++) >> shift;
586  dst[2][x] = av_bswap16(*src_line++) >> shift;
587  dst[3][x] = 0xFFFF;
588  }
589  } else if (src_alpha) {
590  for (x = 0; x < width; x++) {
591  dst[0][x] = av_bswap16(*src_line++) >> shift;
592  dst[1][x] = av_bswap16(*src_line++) >> shift;
593  dst[2][x] = av_bswap16(*src_line++) >> shift;
594  src_line++;
595  }
596  } else {
597  for (x = 0; x < width; x++) {
598  dst[0][x] = av_bswap16(*src_line++) >> shift;
599  dst[1][x] = av_bswap16(*src_line++) >> shift;
600  dst[2][x] = av_bswap16(*src_line++) >> shift;
601  }
602  }
603  break;
604  default:
605  if (src_alpha && dst_alpha) {
606  for (x = 0; x < width; x++) {
607  dst[0][x] = *src_line++ >> shift;
608  dst[1][x] = *src_line++ >> shift;
609  dst[2][x] = *src_line++ >> shift;
610  dst[3][x] = *src_line++ >> shift;
611  }
612  } else if (dst_alpha) {
613  for (x = 0; x < width; x++) {
614  dst[0][x] = *src_line++ >> shift;
615  dst[1][x] = *src_line++ >> shift;
616  dst[2][x] = *src_line++ >> shift;
617  dst[3][x] = 0xFFFF;
618  }
619  } else if (src_alpha) {
620  for (x = 0; x < width; x++) {
621  dst[0][x] = *src_line++ >> shift;
622  dst[1][x] = *src_line++ >> shift;
623  dst[2][x] = *src_line++ >> shift;
624  src_line++;
625  }
626  } else {
627  for (x = 0; x < width; x++) {
628  dst[0][x] = *src_line++ >> shift;
629  dst[1][x] = *src_line++ >> shift;
630  dst[2][x] = *src_line++ >> shift;
631  }
632  }
633  }
634  for (i = 0; i < 4; i++)
635  dst[i] += dstStride[i] >> 1;
636  }
637 }
638 
639 static int Rgb16ToPlanarRgb16Wrapper(SwsContext *c, const uint8_t *src[],
640  int srcStride[], int srcSliceY, int srcSliceH,
641  uint8_t *dst[], int dstStride[])
642 {
643  uint16_t *dst2013[] = { (uint16_t *)dst[2], (uint16_t *)dst[0], (uint16_t *)dst[1], (uint16_t *)dst[3] };
644  uint16_t *dst1023[] = { (uint16_t *)dst[1], (uint16_t *)dst[0], (uint16_t *)dst[2], (uint16_t *)dst[3] };
645  int stride2013[] = { dstStride[2], dstStride[0], dstStride[1], dstStride[3] };
646  int stride1023[] = { dstStride[1], dstStride[0], dstStride[2], dstStride[3] };
647  const AVPixFmtDescriptor *src_format = av_pix_fmt_desc_get(c->srcFormat);
648  const AVPixFmtDescriptor *dst_format = av_pix_fmt_desc_get(c->dstFormat);
649  int bpc = dst_format->comp[0].depth;
650  int alpha = src_format->flags & AV_PIX_FMT_FLAG_ALPHA;
651  int swap = 0;
652  int i;
653 
654  if ( HAVE_BIGENDIAN && !(src_format->flags & AV_PIX_FMT_FLAG_BE) ||
655  !HAVE_BIGENDIAN && src_format->flags & AV_PIX_FMT_FLAG_BE)
656  swap++;
657  if ( HAVE_BIGENDIAN && !(dst_format->flags & AV_PIX_FMT_FLAG_BE) ||
658  !HAVE_BIGENDIAN && dst_format->flags & AV_PIX_FMT_FLAG_BE)
659  swap += 2;
660 
661  if ((dst_format->flags & (AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB)) !=
662  (AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB) || bpc < 9) {
663  av_log(c, AV_LOG_ERROR, "unsupported conversion to planar RGB %s -> %s\n",
664  src_format->name, dst_format->name);
665  return srcSliceH;
666  }
667 
668  for(i=0; i<4; i++) {
669  dst2013[i] += stride2013[i] * srcSliceY / 2;
670  dst1023[i] += stride1023[i] * srcSliceY / 2;
671  }
672 
673  switch (c->srcFormat) {
674  case AV_PIX_FMT_RGB48LE:
675  case AV_PIX_FMT_RGB48BE:
676  case AV_PIX_FMT_RGBA64LE:
677  case AV_PIX_FMT_RGBA64BE:
678  packed16togbra16(src[0], srcStride[0],
679  dst2013, stride2013, srcSliceH, alpha, swap,
680  16 - bpc, c->srcW);
681  break;
682  case AV_PIX_FMT_BGR48LE:
683  case AV_PIX_FMT_BGR48BE:
684  case AV_PIX_FMT_BGRA64LE:
685  case AV_PIX_FMT_BGRA64BE:
686  packed16togbra16(src[0], srcStride[0],
687  dst1023, stride1023, srcSliceH, alpha, swap,
688  16 - bpc, c->srcW);
689  break;
690  default:
691  av_log(c, AV_LOG_ERROR,
692  "unsupported conversion to planar RGB %s -> %s\n",
693  src_format->name, dst_format->name);
694  }
695 
696  return srcSliceH;
697 }
698 
699 static void gbr16ptopacked16(const uint16_t *src[], int srcStride[],
700  uint8_t *dst, int dstStride, int srcSliceH,
701  int alpha, int swap, int bpp, int width)
702 {
703  int x, h, i;
704  int src_alpha = src[3] != NULL;
705  int scale_high = 16 - bpp, scale_low = (bpp - 8) * 2;
706  for (h = 0; h < srcSliceH; h++) {
707  uint16_t *dest = (uint16_t *)(dst + dstStride * h);
708  uint16_t component;
709 
710  switch(swap) {
711  case 3:
712  if (alpha && !src_alpha) {
713  for (x = 0; x < width; x++) {
714  component = av_bswap16(src[0][x]);
715  *dest++ = av_bswap16(component << scale_high | component >> scale_low);
716  component = av_bswap16(src[1][x]);
717  *dest++ = av_bswap16(component << scale_high | component >> scale_low);
718  component = av_bswap16(src[2][x]);
719  *dest++ = av_bswap16(component << scale_high | component >> scale_low);
720  *dest++ = 0xffff;
721  }
722  } else if (alpha && src_alpha) {
723  for (x = 0; x < width; x++) {
724  component = av_bswap16(src[0][x]);
725  *dest++ = av_bswap16(component << scale_high | component >> scale_low);
726  component = av_bswap16(src[1][x]);
727  *dest++ = av_bswap16(component << scale_high | component >> scale_low);
728  component = av_bswap16(src[2][x]);
729  *dest++ = av_bswap16(component << scale_high | component >> scale_low);
730  component = av_bswap16(src[3][x]);
731  *dest++ = av_bswap16(component << scale_high | component >> scale_low);
732  }
733  } else {
734  for (x = 0; x < width; x++) {
735  component = av_bswap16(src[0][x]);
736  *dest++ = av_bswap16(component << scale_high | component >> scale_low);
737  component = av_bswap16(src[1][x]);
738  *dest++ = av_bswap16(component << scale_high | component >> scale_low);
739  component = av_bswap16(src[2][x]);
740  *dest++ = av_bswap16(component << scale_high | component >> scale_low);
741  }
742  }
743  break;
744  case 2:
745  if (alpha && !src_alpha) {
746  for (x = 0; x < width; x++) {
747  *dest++ = av_bswap16(src[0][x] << scale_high | src[0][x] >> scale_low);
748  *dest++ = av_bswap16(src[1][x] << scale_high | src[1][x] >> scale_low);
749  *dest++ = av_bswap16(src[2][x] << scale_high | src[2][x] >> scale_low);
750  *dest++ = 0xffff;
751  }
752  } else if (alpha && src_alpha) {
753  for (x = 0; x < width; x++) {
754  *dest++ = av_bswap16(src[0][x] << scale_high | src[0][x] >> scale_low);
755  *dest++ = av_bswap16(src[1][x] << scale_high | src[1][x] >> scale_low);
756  *dest++ = av_bswap16(src[2][x] << scale_high | src[2][x] >> scale_low);
757  *dest++ = av_bswap16(src[3][x] << scale_high | src[3][x] >> scale_low);
758  }
759  } else {
760  for (x = 0; x < width; x++) {
761  *dest++ = av_bswap16(src[0][x] << scale_high | src[0][x] >> scale_low);
762  *dest++ = av_bswap16(src[1][x] << scale_high | src[1][x] >> scale_low);
763  *dest++ = av_bswap16(src[2][x] << scale_high | src[2][x] >> scale_low);
764  }
765  }
766  break;
767  case 1:
768  if (alpha && !src_alpha) {
769  for (x = 0; x < width; x++) {
770  *dest++ = av_bswap16(src[0][x]) << scale_high | av_bswap16(src[0][x]) >> scale_low;
771  *dest++ = av_bswap16(src[1][x]) << scale_high | av_bswap16(src[1][x]) >> scale_low;
772  *dest++ = av_bswap16(src[2][x]) << scale_high | av_bswap16(src[2][x]) >> scale_low;
773  *dest++ = 0xffff;
774  }
775  } else if (alpha && src_alpha) {
776  for (x = 0; x < width; x++) {
777  *dest++ = av_bswap16(src[0][x]) << scale_high | av_bswap16(src[0][x]) >> scale_low;
778  *dest++ = av_bswap16(src[1][x]) << scale_high | av_bswap16(src[1][x]) >> scale_low;
779  *dest++ = av_bswap16(src[2][x]) << scale_high | av_bswap16(src[2][x]) >> scale_low;
780  *dest++ = av_bswap16(src[3][x]) << scale_high | av_bswap16(src[3][x]) >> scale_low;
781  }
782  } else {
783  for (x = 0; x < width; x++) {
784  *dest++ = av_bswap16(src[0][x]) << scale_high | av_bswap16(src[0][x]) >> scale_low;
785  *dest++ = av_bswap16(src[1][x]) << scale_high | av_bswap16(src[1][x]) >> scale_low;
786  *dest++ = av_bswap16(src[2][x]) << scale_high | av_bswap16(src[2][x]) >> scale_low;
787  }
788  }
789  break;
790  default:
791  if (alpha && !src_alpha) {
792  for (x = 0; x < width; x++) {
793  *dest++ = src[0][x] << scale_high | src[0][x] >> scale_low;
794  *dest++ = src[1][x] << scale_high | src[1][x] >> scale_low;
795  *dest++ = src[2][x] << scale_high | src[2][x] >> scale_low;
796  *dest++ = 0xffff;
797  }
798  } else if (alpha && src_alpha) {
799  for (x = 0; x < width; x++) {
800  *dest++ = src[0][x] << scale_high | src[0][x] >> scale_low;
801  *dest++ = src[1][x] << scale_high | src[1][x] >> scale_low;
802  *dest++ = src[2][x] << scale_high | src[2][x] >> scale_low;
803  *dest++ = src[3][x] << scale_high | src[3][x] >> scale_low;
804  }
805  } else {
806  for (x = 0; x < width; x++) {
807  *dest++ = src[0][x] << scale_high | src[0][x] >> scale_low;
808  *dest++ = src[1][x] << scale_high | src[1][x] >> scale_low;
809  *dest++ = src[2][x] << scale_high | src[2][x] >> scale_low;
810  }
811  }
812  }
813  for (i = 0; i < 3 + src_alpha; i++)
814  src[i] += srcStride[i] >> 1;
815  }
816 }
817 
818 static int planarRgb16ToRgb16Wrapper(SwsContext *c, const uint8_t *src[],
819  int srcStride[], int srcSliceY, int srcSliceH,
820  uint8_t *dst[], int dstStride[])
821 {
822  const uint16_t *src102[] = { (uint16_t *)src[1], (uint16_t *)src[0], (uint16_t *)src[2], (uint16_t *)src[3] };
823  const uint16_t *src201[] = { (uint16_t *)src[2], (uint16_t *)src[0], (uint16_t *)src[1], (uint16_t *)src[3] };
824  int stride102[] = { srcStride[1], srcStride[0], srcStride[2], srcStride[3] };
825  int stride201[] = { srcStride[2], srcStride[0], srcStride[1], srcStride[3] };
826  const AVPixFmtDescriptor *src_format = av_pix_fmt_desc_get(c->srcFormat);
827  const AVPixFmtDescriptor *dst_format = av_pix_fmt_desc_get(c->dstFormat);
828  int bits_per_sample = src_format->comp[0].depth;
829  int swap = 0;
830  if ( HAVE_BIGENDIAN && !(src_format->flags & AV_PIX_FMT_FLAG_BE) ||
831  !HAVE_BIGENDIAN && src_format->flags & AV_PIX_FMT_FLAG_BE)
832  swap++;
833  if ( HAVE_BIGENDIAN && !(dst_format->flags & AV_PIX_FMT_FLAG_BE) ||
834  !HAVE_BIGENDIAN && dst_format->flags & AV_PIX_FMT_FLAG_BE)
835  swap += 2;
836 
837  if ((src_format->flags & (AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB)) !=
838  (AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB) ||
839  bits_per_sample <= 8) {
840  av_log(c, AV_LOG_ERROR, "unsupported planar RGB conversion %s -> %s\n",
841  src_format->name, dst_format->name);
842  return srcSliceH;
843  }
844  switch (c->dstFormat) {
845  case AV_PIX_FMT_BGR48LE:
846  case AV_PIX_FMT_BGR48BE:
847  gbr16ptopacked16(src102, stride102,
848  dst[0] + srcSliceY * dstStride[0], dstStride[0],
849  srcSliceH, 0, swap, bits_per_sample, c->srcW);
850  break;
851  case AV_PIX_FMT_RGB48LE:
852  case AV_PIX_FMT_RGB48BE:
853  gbr16ptopacked16(src201, stride201,
854  dst[0] + srcSliceY * dstStride[0], dstStride[0],
855  srcSliceH, 0, swap, bits_per_sample, c->srcW);
856  break;
857  case AV_PIX_FMT_RGBA64LE:
858  case AV_PIX_FMT_RGBA64BE:
859  gbr16ptopacked16(src201, stride201,
860  dst[0] + srcSliceY * dstStride[0], dstStride[0],
861  srcSliceH, 1, swap, bits_per_sample, c->srcW);
862  break;
863  case AV_PIX_FMT_BGRA64LE:
864  case AV_PIX_FMT_BGRA64BE:
865  gbr16ptopacked16(src102, stride102,
866  dst[0] + srcSliceY * dstStride[0], dstStride[0],
867  srcSliceH, 1, swap, bits_per_sample, c->srcW);
868  break;
869  default:
870  av_log(c, AV_LOG_ERROR,
871  "unsupported planar RGB conversion %s -> %s\n",
872  src_format->name, dst_format->name);
873  }
874 
875  return srcSliceH;
876 }
877 
878 static void gbr24ptopacked24(const uint8_t *src[], int srcStride[],
879  uint8_t *dst, int dstStride, int srcSliceH,
880  int width)
881 {
882  int x, h, i;
883  for (h = 0; h < srcSliceH; h++) {
884  uint8_t *dest = dst + dstStride * h;
885  for (x = 0; x < width; x++) {
886  *dest++ = src[0][x];
887  *dest++ = src[1][x];
888  *dest++ = src[2][x];
889  }
890 
891  for (i = 0; i < 3; i++)
892  src[i] += srcStride[i];
893  }
894 }
895 
896 static void gbr24ptopacked32(const uint8_t *src[], int srcStride[],
897  uint8_t *dst, int dstStride, int srcSliceH,
898  int alpha_first, int width)
899 {
900  int x, h, i;
901  for (h = 0; h < srcSliceH; h++) {
902  uint8_t *dest = dst + dstStride * h;
903 
904  if (alpha_first) {
905  for (x = 0; x < width; x++) {
906  *dest++ = 0xff;
907  *dest++ = src[0][x];
908  *dest++ = src[1][x];
909  *dest++ = src[2][x];
910  }
911  } else {
912  for (x = 0; x < width; x++) {
913  *dest++ = src[0][x];
914  *dest++ = src[1][x];
915  *dest++ = src[2][x];
916  *dest++ = 0xff;
917  }
918  }
919 
920  for (i = 0; i < 3; i++)
921  src[i] += srcStride[i];
922  }
923 }
924 
925 static int planarRgbToRgbWrapper(SwsContext *c, const uint8_t *src[],
926  int srcStride[], int srcSliceY, int srcSliceH,
927  uint8_t *dst[], int dstStride[])
928 {
929  int alpha_first = 0;
930  const uint8_t *src102[] = { src[1], src[0], src[2] };
931  const uint8_t *src201[] = { src[2], src[0], src[1] };
932  int stride102[] = { srcStride[1], srcStride[0], srcStride[2] };
933  int stride201[] = { srcStride[2], srcStride[0], srcStride[1] };
934 
935  if (c->srcFormat != AV_PIX_FMT_GBRP) {
936  av_log(c, AV_LOG_ERROR, "unsupported planar RGB conversion %s -> %s\n",
937  av_get_pix_fmt_name(c->srcFormat),
938  av_get_pix_fmt_name(c->dstFormat));
939  return srcSliceH;
940  }
941 
942  switch (c->dstFormat) {
943  case AV_PIX_FMT_BGR24:
944  gbr24ptopacked24(src102, stride102,
945  dst[0] + srcSliceY * dstStride[0], dstStride[0],
946  srcSliceH, c->srcW);
947  break;
948 
949  case AV_PIX_FMT_RGB24:
950  gbr24ptopacked24(src201, stride201,
951  dst[0] + srcSliceY * dstStride[0], dstStride[0],
952  srcSliceH, c->srcW);
953  break;
954 
955  case AV_PIX_FMT_ARGB:
956  alpha_first = 1;
957  case AV_PIX_FMT_RGBA:
958  gbr24ptopacked32(src201, stride201,
959  dst[0] + srcSliceY * dstStride[0], dstStride[0],
960  srcSliceH, alpha_first, c->srcW);
961  break;
962 
963  case AV_PIX_FMT_ABGR:
964  alpha_first = 1;
965  case AV_PIX_FMT_BGRA:
966  gbr24ptopacked32(src102, stride102,
967  dst[0] + srcSliceY * dstStride[0], dstStride[0],
968  srcSliceH, alpha_first, c->srcW);
969  break;
970 
971  default:
972  av_log(c, AV_LOG_ERROR,
973  "unsupported planar RGB conversion %s -> %s\n",
974  av_get_pix_fmt_name(c->srcFormat),
975  av_get_pix_fmt_name(c->dstFormat));
976  }
977 
978  return srcSliceH;
979 }
980 
981 static int planarRgbToplanarRgbWrapper(SwsContext *c,
982  const uint8_t *src[], int srcStride[],
983  int srcSliceY, int srcSliceH,
984  uint8_t *dst[], int dstStride[])
985 {
986  copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
987  dst[0], dstStride[0]);
988  copyPlane(src[1], srcStride[1], srcSliceY, srcSliceH, c->srcW,
989  dst[1], dstStride[1]);
990  copyPlane(src[2], srcStride[2], srcSliceY, srcSliceH, c->srcW,
991  dst[2], dstStride[2]);
992  if (dst[3])
993  fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
994 
995  return srcSliceH;
996 }
997 
998 static void packedtogbr24p(const uint8_t *src, int srcStride,
999  uint8_t *dst[], int dstStride[], int srcSliceH,
1000  int alpha_first, int inc_size, int width)
1001 {
1002  uint8_t *dest[3];
1003  int x, h;
1004 
1005  dest[0] = dst[0];
1006  dest[1] = dst[1];
1007  dest[2] = dst[2];
1008 
1009  if (alpha_first)
1010  src++;
1011 
1012  for (h = 0; h < srcSliceH; h++) {
1013  for (x = 0; x < width; x++) {
1014  dest[0][x] = src[0];
1015  dest[1][x] = src[1];
1016  dest[2][x] = src[2];
1017 
1018  src += inc_size;
1019  }
1020  src += srcStride - width * inc_size;
1021  dest[0] += dstStride[0];
1022  dest[1] += dstStride[1];
1023  dest[2] += dstStride[2];
1024  }
1025 }
1026 
1027 static int rgbToPlanarRgbWrapper(SwsContext *c, const uint8_t *src[],
1028  int srcStride[], int srcSliceY, int srcSliceH,
1029  uint8_t *dst[], int dstStride[])
1030 {
1031  int alpha_first = 0;
1032  int stride102[] = { dstStride[1], dstStride[0], dstStride[2] };
1033  int stride201[] = { dstStride[2], dstStride[0], dstStride[1] };
1034  uint8_t *dst102[] = { dst[1] + srcSliceY * dstStride[1],
1035  dst[0] + srcSliceY * dstStride[0],
1036  dst[2] + srcSliceY * dstStride[2] };
1037  uint8_t *dst201[] = { dst[2] + srcSliceY * dstStride[2],
1038  dst[0] + srcSliceY * dstStride[0],
1039  dst[1] + srcSliceY * dstStride[1] };
1040 
1041  switch (c->srcFormat) {
1042  case AV_PIX_FMT_RGB24:
1043  packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst201,
1044  stride201, srcSliceH, alpha_first, 3, c->srcW);
1045  break;
1046  case AV_PIX_FMT_BGR24:
1047  packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst102,
1048  stride102, srcSliceH, alpha_first, 3, c->srcW);
1049  break;
1050  case AV_PIX_FMT_ARGB:
1051  alpha_first = 1;
1052  case AV_PIX_FMT_RGBA:
1053  packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst201,
1054  stride201, srcSliceH, alpha_first, 4, c->srcW);
1055  break;
1056  case AV_PIX_FMT_ABGR:
1057  alpha_first = 1;
1058  case AV_PIX_FMT_BGRA:
1059  packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst102,
1060  stride102, srcSliceH, alpha_first, 4, c->srcW);
1061  break;
1062  default:
1063  av_log(c, AV_LOG_ERROR,
1064  "unsupported planar RGB conversion %s -> %s\n",
1065  av_get_pix_fmt_name(c->srcFormat),
1066  av_get_pix_fmt_name(c->dstFormat));
1067  }
1068 
1069  return srcSliceH;
1070 }
1071 
1072 #define BAYER_GBRG
1073 #define BAYER_8
1074 #define BAYER_RENAME(x) bayer_gbrg8_to_##x
1075 #include "bayer_template.c"
1076 
1077 #define BAYER_GBRG
1078 #define BAYER_16LE
1079 #define BAYER_RENAME(x) bayer_gbrg16le_to_##x
1080 #include "bayer_template.c"
1081 
1082 #define BAYER_GBRG
1083 #define BAYER_16BE
1084 #define BAYER_RENAME(x) bayer_gbrg16be_to_##x
1085 #include "bayer_template.c"
1086 
1087 #define BAYER_GRBG
1088 #define BAYER_8
1089 #define BAYER_RENAME(x) bayer_grbg8_to_##x
1090 #include "bayer_template.c"
1091 
1092 #define BAYER_GRBG
1093 #define BAYER_16LE
1094 #define BAYER_RENAME(x) bayer_grbg16le_to_##x
1095 #include "bayer_template.c"
1096 
1097 #define BAYER_GRBG
1098 #define BAYER_16BE
1099 #define BAYER_RENAME(x) bayer_grbg16be_to_##x
1100 #include "bayer_template.c"
1101 
1102 #define BAYER_BGGR
1103 #define BAYER_8
1104 #define BAYER_RENAME(x) bayer_bggr8_to_##x
1105 #include "bayer_template.c"
1106 
1107 #define BAYER_BGGR
1108 #define BAYER_16LE
1109 #define BAYER_RENAME(x) bayer_bggr16le_to_##x
1110 #include "bayer_template.c"
1111 
1112 #define BAYER_BGGR
1113 #define BAYER_16BE
1114 #define BAYER_RENAME(x) bayer_bggr16be_to_##x
1115 #include "bayer_template.c"
1116 
1117 #define BAYER_RGGB
1118 #define BAYER_8
1119 #define BAYER_RENAME(x) bayer_rggb8_to_##x
1120 #include "bayer_template.c"
1121 
1122 #define BAYER_RGGB
1123 #define BAYER_16LE
1124 #define BAYER_RENAME(x) bayer_rggb16le_to_##x
1125 #include "bayer_template.c"
1126 
1127 #define BAYER_RGGB
1128 #define BAYER_16BE
1129 #define BAYER_RENAME(x) bayer_rggb16be_to_##x
1130 #include "bayer_template.c"
1131 
1132 static int bayer_to_rgb24_wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
1133  int srcSliceH, uint8_t* dst[], int dstStride[])
1134 {
1135  uint8_t *dstPtr= dst[0] + srcSliceY * dstStride[0];
1136  const uint8_t *srcPtr= src[0];
1137  int i;
1138  void (*copy) (const uint8_t *src, int src_stride, uint8_t *dst, int dst_stride, int width);
1139  void (*interpolate)(const uint8_t *src, int src_stride, uint8_t *dst, int dst_stride, int width);
1140 
1141  switch(c->srcFormat) {
1142 #define CASE(pixfmt, prefix) \
1143  case pixfmt: copy = bayer_##prefix##_to_rgb24_copy; \
1144  interpolate = bayer_##prefix##_to_rgb24_interpolate; \
1145  break;
1146  CASE(AV_PIX_FMT_BAYER_BGGR8, bggr8)
1147  CASE(AV_PIX_FMT_BAYER_BGGR16LE, bggr16le)
1148  CASE(AV_PIX_FMT_BAYER_BGGR16BE, bggr16be)
1149  CASE(AV_PIX_FMT_BAYER_RGGB8, rggb8)
1150  CASE(AV_PIX_FMT_BAYER_RGGB16LE, rggb16le)
1151  CASE(AV_PIX_FMT_BAYER_RGGB16BE, rggb16be)
1152  CASE(AV_PIX_FMT_BAYER_GBRG8, gbrg8)
1153  CASE(AV_PIX_FMT_BAYER_GBRG16LE, gbrg16le)
1154  CASE(AV_PIX_FMT_BAYER_GBRG16BE, gbrg16be)
1155  CASE(AV_PIX_FMT_BAYER_GRBG8, grbg8)
1156  CASE(AV_PIX_FMT_BAYER_GRBG16LE, grbg16le)
1157  CASE(AV_PIX_FMT_BAYER_GRBG16BE, grbg16be)
1158 #undef CASE
1159  default: return 0;
1160  }
1161 
1162  av_assert0(srcSliceH > 1);
1163 
1164  copy(srcPtr, srcStride[0], dstPtr, dstStride[0], c->srcW);
1165  srcPtr += 2 * srcStride[0];
1166  dstPtr += 2 * dstStride[0];
1167 
1168  for (i = 2; i < srcSliceH - 2; i += 2) {
1169  interpolate(srcPtr, srcStride[0], dstPtr, dstStride[0], c->srcW);
1170  srcPtr += 2 * srcStride[0];
1171  dstPtr += 2 * dstStride[0];
1172  }
1173 
1174  if (i + 1 == srcSliceH) {
1175  copy(srcPtr, -srcStride[0], dstPtr, -dstStride[0], c->srcW);
1176  } else if (i < srcSliceH)
1177  copy(srcPtr, srcStride[0], dstPtr, dstStride[0], c->srcW);
1178  return srcSliceH;
1179 }
1180 
1181 static int bayer_to_yv12_wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
1182  int srcSliceH, uint8_t* dst[], int dstStride[])
1183 {
1184  const uint8_t *srcPtr= src[0];
1185  uint8_t *dstY= dst[0] + srcSliceY * dstStride[0];
1186  uint8_t *dstU= dst[1] + srcSliceY * dstStride[1] / 2;
1187  uint8_t *dstV= dst[2] + srcSliceY * dstStride[2] / 2;
1188  int i;
1189  void (*copy) (const uint8_t *src, int src_stride, uint8_t *dstY, uint8_t *dstU, uint8_t *dstV, int luma_stride, int width, int32_t *rgb2yuv);
1190  void (*interpolate)(const uint8_t *src, int src_stride, uint8_t *dstY, uint8_t *dstU, uint8_t *dstV, int luma_stride, int width, int32_t *rgb2yuv);
1191 
1192  switch(c->srcFormat) {
1193 #define CASE(pixfmt, prefix) \
1194  case pixfmt: copy = bayer_##prefix##_to_yv12_copy; \
1195  interpolate = bayer_##prefix##_to_yv12_interpolate; \
1196  break;
1197  CASE(AV_PIX_FMT_BAYER_BGGR8, bggr8)
1198  CASE(AV_PIX_FMT_BAYER_BGGR16LE, bggr16le)
1199  CASE(AV_PIX_FMT_BAYER_BGGR16BE, bggr16be)
1200  CASE(AV_PIX_FMT_BAYER_RGGB8, rggb8)
1201  CASE(AV_PIX_FMT_BAYER_RGGB16LE, rggb16le)
1202  CASE(AV_PIX_FMT_BAYER_RGGB16BE, rggb16be)
1203  CASE(AV_PIX_FMT_BAYER_GBRG8, gbrg8)
1204  CASE(AV_PIX_FMT_BAYER_GBRG16LE, gbrg16le)
1205  CASE(AV_PIX_FMT_BAYER_GBRG16BE, gbrg16be)
1206  CASE(AV_PIX_FMT_BAYER_GRBG8, grbg8)
1207  CASE(AV_PIX_FMT_BAYER_GRBG16LE, grbg16le)
1208  CASE(AV_PIX_FMT_BAYER_GRBG16BE, grbg16be)
1209 #undef CASE
1210  default: return 0;
1211  }
1212 
1213  av_assert0(srcSliceH > 1);
1214 
1215  copy(srcPtr, srcStride[0], dstY, dstU, dstV, dstStride[0], c->srcW, c->input_rgb2yuv_table);
1216  srcPtr += 2 * srcStride[0];
1217  dstY += 2 * dstStride[0];
1218  dstU += dstStride[1];
1219  dstV += dstStride[1];
1220 
1221  for (i = 2; i < srcSliceH - 2; i += 2) {
1222  interpolate(srcPtr, srcStride[0], dstY, dstU, dstV, dstStride[0], c->srcW, c->input_rgb2yuv_table);
1223  srcPtr += 2 * srcStride[0];
1224  dstY += 2 * dstStride[0];
1225  dstU += dstStride[1];
1226  dstV += dstStride[1];
1227  }
1228 
1229  if (i + 1 == srcSliceH) {
1230  copy(srcPtr, -srcStride[0], dstY, dstU, dstV, -dstStride[0], c->srcW, c->input_rgb2yuv_table);
1231  } else if (i < srcSliceH)
1232  copy(srcPtr, srcStride[0], dstY, dstU, dstV, dstStride[0], c->srcW, c->input_rgb2yuv_table);
1233  return srcSliceH;
1234 }
1235 
1236 #define isRGBA32(x) ( \
1237  (x) == AV_PIX_FMT_ARGB \
1238  || (x) == AV_PIX_FMT_RGBA \
1239  || (x) == AV_PIX_FMT_BGRA \
1240  || (x) == AV_PIX_FMT_ABGR \
1241  )
1242 
1243 #define isRGBA64(x) ( \
1244  (x) == AV_PIX_FMT_RGBA64LE \
1245  || (x) == AV_PIX_FMT_RGBA64BE \
1246  || (x) == AV_PIX_FMT_BGRA64LE \
1247  || (x) == AV_PIX_FMT_BGRA64BE \
1248  )
1249 
1250 #define isRGB48(x) ( \
1251  (x) == AV_PIX_FMT_RGB48LE \
1252  || (x) == AV_PIX_FMT_RGB48BE \
1253  || (x) == AV_PIX_FMT_BGR48LE \
1254  || (x) == AV_PIX_FMT_BGR48BE \
1255  )
1256 
1257 /* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */
1258 typedef void (* rgbConvFn) (const uint8_t *, uint8_t *, int);
1259 static rgbConvFn findRgbConvFn(SwsContext *c)
1260 {
1261  const enum AVPixelFormat srcFormat = c->srcFormat;
1262  const enum AVPixelFormat dstFormat = c->dstFormat;
1263  const int srcId = c->srcFormatBpp;
1264  const int dstId = c->dstFormatBpp;
1265  rgbConvFn conv = NULL;
1266 
1267 #define IS_NOT_NE(bpp, desc) \
1268  (((bpp + 7) >> 3) == 2 && \
1269  (!(desc->flags & AV_PIX_FMT_FLAG_BE) != !HAVE_BIGENDIAN))
1270 
1271 #define CONV_IS(src, dst) (srcFormat == AV_PIX_FMT_##src && dstFormat == AV_PIX_FMT_##dst)
1272 
1273  if (isRGBA32(srcFormat) && isRGBA32(dstFormat)) {
1274  if ( CONV_IS(ABGR, RGBA)
1275  || CONV_IS(ARGB, BGRA)
1276  || CONV_IS(BGRA, ARGB)
1277  || CONV_IS(RGBA, ABGR)) conv = shuffle_bytes_3210;
1278  else if (CONV_IS(ABGR, ARGB)
1279  || CONV_IS(ARGB, ABGR)) conv = shuffle_bytes_0321;
1280  else if (CONV_IS(ABGR, BGRA)
1281  || CONV_IS(ARGB, RGBA)) conv = shuffle_bytes_1230;
1282  else if (CONV_IS(BGRA, RGBA)
1283  || CONV_IS(RGBA, BGRA)) conv = shuffle_bytes_2103;
1284  else if (CONV_IS(BGRA, ABGR)
1285  || CONV_IS(RGBA, ARGB)) conv = shuffle_bytes_3012;
1286  } else if (isRGB48(srcFormat) && isRGB48(dstFormat)) {
1287  if (CONV_IS(RGB48LE, BGR48LE)
1288  || CONV_IS(BGR48LE, RGB48LE)
1289  || CONV_IS(RGB48BE, BGR48BE)
1290  || CONV_IS(BGR48BE, RGB48BE)) conv = rgb48tobgr48_nobswap;
1291  else if (CONV_IS(RGB48LE, BGR48BE)
1292  || CONV_IS(BGR48LE, RGB48BE)
1293  || CONV_IS(RGB48BE, BGR48LE)
1294  || CONV_IS(BGR48BE, RGB48LE)) conv = rgb48tobgr48_bswap;
1295  } else if (isRGBA64(srcFormat) && isRGB48(dstFormat)) {
1296  if (CONV_IS(RGBA64LE, BGR48LE)
1297  || CONV_IS(BGRA64LE, RGB48LE)
1298  || CONV_IS(RGBA64BE, BGR48BE)
1299  || CONV_IS(BGRA64BE, RGB48BE)) conv = rgb64tobgr48_nobswap;
1300  else if (CONV_IS(RGBA64LE, BGR48BE)
1301  || CONV_IS(BGRA64LE, RGB48BE)
1302  || CONV_IS(RGBA64BE, BGR48LE)
1303  || CONV_IS(BGRA64BE, RGB48LE)) conv = rgb64tobgr48_bswap;
1304  else if (CONV_IS(RGBA64LE, RGB48LE)
1305  || CONV_IS(BGRA64LE, BGR48LE)
1306  || CONV_IS(RGBA64BE, RGB48BE)
1307  || CONV_IS(BGRA64BE, BGR48BE)) conv = rgb64to48_nobswap;
1308  else if (CONV_IS(RGBA64LE, RGB48BE)
1309  || CONV_IS(BGRA64LE, BGR48BE)
1310  || CONV_IS(RGBA64BE, RGB48LE)
1311  || CONV_IS(BGRA64BE, BGR48LE)) conv = rgb64to48_bswap;
1312  } else
1313  /* BGR -> BGR */
1314  if ((isBGRinInt(srcFormat) && isBGRinInt(dstFormat)) ||
1315  (isRGBinInt(srcFormat) && isRGBinInt(dstFormat))) {
1316  switch (srcId | (dstId << 16)) {
1317  case 0x000F000C: conv = rgb12to15; break;
1318  case 0x000F0010: conv = rgb16to15; break;
1319  case 0x000F0018: conv = rgb24to15; break;
1320  case 0x000F0020: conv = rgb32to15; break;
1321  case 0x0010000F: conv = rgb15to16; break;
1322  case 0x00100018: conv = rgb24to16; break;
1323  case 0x00100020: conv = rgb32to16; break;
1324  case 0x0018000F: conv = rgb15to24; break;
1325  case 0x00180010: conv = rgb16to24; break;
1326  case 0x00180020: conv = rgb32to24; break;
1327  case 0x0020000F: conv = rgb15to32; break;
1328  case 0x00200010: conv = rgb16to32; break;
1329  case 0x00200018: conv = rgb24to32; break;
1330  }
1331  } else if ((isBGRinInt(srcFormat) && isRGBinInt(dstFormat)) ||
1332  (isRGBinInt(srcFormat) && isBGRinInt(dstFormat))) {
1333  switch (srcId | (dstId << 16)) {
1334  case 0x000C000C: conv = rgb12tobgr12; break;
1335  case 0x000F000F: conv = rgb15tobgr15; break;
1336  case 0x000F0010: conv = rgb16tobgr15; break;
1337  case 0x000F0018: conv = rgb24tobgr15; break;
1338  case 0x000F0020: conv = rgb32tobgr15; break;
1339  case 0x0010000F: conv = rgb15tobgr16; break;
1340  case 0x00100010: conv = rgb16tobgr16; break;
1341  case 0x00100018: conv = rgb24tobgr16; break;
1342  case 0x00100020: conv = rgb32tobgr16; break;
1343  case 0x0018000F: conv = rgb15tobgr24; break;
1344  case 0x00180010: conv = rgb16tobgr24; break;
1345  case 0x00180018: conv = rgb24tobgr24; break;
1346  case 0x00180020: conv = rgb32tobgr24; break;
1347  case 0x0020000F: conv = rgb15tobgr32; break;
1348  case 0x00200010: conv = rgb16tobgr32; break;
1349  case 0x00200018: conv = rgb24tobgr32; break;
1350  }
1351  }
1352 
1353  if ((dstFormat == AV_PIX_FMT_RGB32_1 || dstFormat == AV_PIX_FMT_BGR32_1) && !isRGBA32(srcFormat) && ALT32_CORR<0)
1354  return NULL;
1355 
1356  // Maintain symmetry between endianness
1357  if (c->flags & SWS_BITEXACT)
1358  if ((dstFormat == AV_PIX_FMT_RGB32 || dstFormat == AV_PIX_FMT_BGR32 ) && !isRGBA32(srcFormat) && ALT32_CORR>0)
1359  return NULL;
1360 
1361  return conv;
1362 }
1363 
1364 /* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */
1365 static int rgbToRgbWrapper(SwsContext *c, const uint8_t *src[], int srcStride[],
1366  int srcSliceY, int srcSliceH, uint8_t *dst[],
1367  int dstStride[])
1368 
1369 {
1370  const enum AVPixelFormat srcFormat = c->srcFormat;
1371  const enum AVPixelFormat dstFormat = c->dstFormat;
1372  const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(c->srcFormat);
1373  const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(c->dstFormat);
1374  const int srcBpp = (c->srcFormatBpp + 7) >> 3;
1375  const int dstBpp = (c->dstFormatBpp + 7) >> 3;
1376  rgbConvFn conv = findRgbConvFn(c);
1377 
1378  if (!conv) {
1379  av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
1380  av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat));
1381  } else {
1382  const uint8_t *srcPtr = src[0];
1383  uint8_t *dstPtr = dst[0];
1384  int src_bswap = IS_NOT_NE(c->srcFormatBpp, desc_src);
1385  int dst_bswap = IS_NOT_NE(c->dstFormatBpp, desc_dst);
1386 
1387  if ((srcFormat == AV_PIX_FMT_RGB32_1 || srcFormat == AV_PIX_FMT_BGR32_1) &&
1388  !isRGBA32(dstFormat))
1389  srcPtr += ALT32_CORR;
1390 
1391  if ((dstFormat == AV_PIX_FMT_RGB32_1 || dstFormat == AV_PIX_FMT_BGR32_1) &&
1392  !isRGBA32(srcFormat)) {
1393  int i;
1394  av_assert0(ALT32_CORR == 1);
1395  for (i = 0; i < srcSliceH; i++)
1396  dstPtr[dstStride[0] * (srcSliceY + i)] = 255;
1397  dstPtr += ALT32_CORR;
1398  }
1399 
1400  if (dstStride[0] * srcBpp == srcStride[0] * dstBpp && srcStride[0] > 0 &&
1401  !(srcStride[0] % srcBpp) && !dst_bswap && !src_bswap)
1402  conv(srcPtr, dstPtr + dstStride[0] * srcSliceY,
1403  (srcSliceH - 1) * srcStride[0] + c->srcW * srcBpp);
1404  else {
1405  int i, j;
1406  dstPtr += dstStride[0] * srcSliceY;
1407 
1408  for (i = 0; i < srcSliceH; i++) {
1409  if(src_bswap) {
1410  for(j=0; j<c->srcW; j++)
1411  ((uint16_t*)c->formatConvBuffer)[j] = av_bswap16(((uint16_t*)srcPtr)[j]);
1412  conv(c->formatConvBuffer, dstPtr, c->srcW * srcBpp);
1413  }else
1414  conv(srcPtr, dstPtr, c->srcW * srcBpp);
1415  if(dst_bswap)
1416  for(j=0; j<c->srcW; j++)
1417  ((uint16_t*)dstPtr)[j] = av_bswap16(((uint16_t*)dstPtr)[j]);
1418  srcPtr += srcStride[0];
1419  dstPtr += dstStride[0];
1420  }
1421  }
1422  }
1423  return srcSliceH;
1424 }
1425 
1426 static int bgr24ToYv12Wrapper(SwsContext *c, const uint8_t *src[],
1427  int srcStride[], int srcSliceY, int srcSliceH,
1428  uint8_t *dst[], int dstStride[])
1429 {
1430  ff_rgb24toyv12(
1431  src[0],
1432  dst[0] + srcSliceY * dstStride[0],
1433  dst[1] + (srcSliceY >> 1) * dstStride[1],
1434  dst[2] + (srcSliceY >> 1) * dstStride[2],
1435  c->srcW, srcSliceH,
1436  dstStride[0], dstStride[1], srcStride[0],
1437  c->input_rgb2yuv_table);
1438  if (dst[3])
1439  fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
1440  return srcSliceH;
1441 }
1442 
1443 static int yvu9ToYv12Wrapper(SwsContext *c, const uint8_t *src[],
1444  int srcStride[], int srcSliceY, int srcSliceH,
1445  uint8_t *dst[], int dstStride[])
1446 {
1447  copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
1448  dst[0], dstStride[0]);
1449 
1450  planar2x(src[1], dst[1] + dstStride[1] * (srcSliceY >> 1), c->chrSrcW,
1451  srcSliceH >> 2, srcStride[1], dstStride[1]);
1452  planar2x(src[2], dst[2] + dstStride[2] * (srcSliceY >> 1), c->chrSrcW,
1453  srcSliceH >> 2, srcStride[2], dstStride[2]);
1454  if (dst[3])
1455  fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
1456  return srcSliceH;
1457 }
1458 
1459 /* unscaled copy like stuff (assumes nearly identical formats) */
1460 static int packedCopyWrapper(SwsContext *c, const uint8_t *src[],
1461  int srcStride[], int srcSliceY, int srcSliceH,
1462  uint8_t *dst[], int dstStride[])
1463 {
1464  if (dstStride[0] == srcStride[0] && srcStride[0] > 0)
1465  memcpy(dst[0] + dstStride[0] * srcSliceY, src[0], srcSliceH * dstStride[0]);
1466  else {
1467  int i;
1468  const uint8_t *srcPtr = src[0];
1469  uint8_t *dstPtr = dst[0] + dstStride[0] * srcSliceY;
1470  int length = 0;
1471 
1472  /* universal length finder */
1473  while (length + c->srcW <= FFABS(dstStride[0]) &&
1474  length + c->srcW <= FFABS(srcStride[0]))
1475  length += c->srcW;
1476  av_assert1(length != 0);
1477 
1478  for (i = 0; i < srcSliceH; i++) {
1479  memcpy(dstPtr, srcPtr, length);
1480  srcPtr += srcStride[0];
1481  dstPtr += dstStride[0];
1482  }
1483  }
1484  return srcSliceH;
1485 }
1486 
1487 #define DITHER_COPY(dst, dstStride, src, srcStride, bswap, dbswap)\
1488  uint16_t scale= dither_scale[dst_depth-1][src_depth-1];\
1489  int shift= src_depth-dst_depth + dither_scale[src_depth-2][dst_depth-1];\
1490  for (i = 0; i < height; i++) {\
1491  const uint8_t *dither= dithers[src_depth-9][i&7];\
1492  for (j = 0; j < length-7; j+=8){\
1493  dst[j+0] = dbswap((bswap(src[j+0]) + dither[0])*scale>>shift);\
1494  dst[j+1] = dbswap((bswap(src[j+1]) + dither[1])*scale>>shift);\
1495  dst[j+2] = dbswap((bswap(src[j+2]) + dither[2])*scale>>shift);\
1496  dst[j+3] = dbswap((bswap(src[j+3]) + dither[3])*scale>>shift);\
1497  dst[j+4] = dbswap((bswap(src[j+4]) + dither[4])*scale>>shift);\
1498  dst[j+5] = dbswap((bswap(src[j+5]) + dither[5])*scale>>shift);\
1499  dst[j+6] = dbswap((bswap(src[j+6]) + dither[6])*scale>>shift);\
1500  dst[j+7] = dbswap((bswap(src[j+7]) + dither[7])*scale>>shift);\
1501  }\
1502  for (; j < length; j++)\
1503  dst[j] = dbswap((bswap(src[j]) + dither[j&7])*scale>>shift);\
1504  dst += dstStride;\
1505  src += srcStride;\
1506  }
1507 
1508 static int planarCopyWrapper(SwsContext *c, const uint8_t *src[],
1509  int srcStride[], int srcSliceY, int srcSliceH,
1510  uint8_t *dst[], int dstStride[])
1511 {
1512  const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(c->srcFormat);
1513  const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(c->dstFormat);
1514  int plane, i, j;
1515  for (plane = 0; plane < 4; plane++) {
1516  int length = (plane == 0 || plane == 3) ? c->srcW : AV_CEIL_RSHIFT(c->srcW, c->chrDstHSubSample);
1517  int y = (plane == 0 || plane == 3) ? srcSliceY: AV_CEIL_RSHIFT(srcSliceY, c->chrDstVSubSample);
1518  int height = (plane == 0 || plane == 3) ? srcSliceH: AV_CEIL_RSHIFT(srcSliceH, c->chrDstVSubSample);
1519  const uint8_t *srcPtr = src[plane];
1520  uint8_t *dstPtr = dst[plane] + dstStride[plane] * y;
1521  int shiftonly = plane == 1 || plane == 2 || (!c->srcRange && plane == 0);
1522 
1523  if (!dst[plane])
1524  continue;
1525  // ignore palette for GRAY8
1526  if (plane == 1 && !dst[2]) continue;
1527  if (!src[plane] || (plane == 1 && !src[2])) {
1528  if (is16BPS(c->dstFormat) || isNBPS(c->dstFormat)) {
1529  fillPlane16(dst[plane], dstStride[plane], length, height, y,
1530  plane == 3, desc_dst->comp[plane].depth,
1531  isBE(c->dstFormat));
1532  } else {
1533  fillPlane(dst[plane], dstStride[plane], length, height, y,
1534  (plane == 3) ? 255 : 128);
1535  }
1536  } else {
1537  if(isNBPS(c->srcFormat) || isNBPS(c->dstFormat)
1538  || (is16BPS(c->srcFormat) != is16BPS(c->dstFormat))
1539  ) {
1540  const int src_depth = desc_src->comp[plane].depth;
1541  const int dst_depth = desc_dst->comp[plane].depth;
1542  const uint16_t *srcPtr2 = (const uint16_t *) srcPtr;
1543  uint16_t *dstPtr2 = (uint16_t*)dstPtr;
1544 
1545  if (dst_depth == 8) {
1546  if(isBE(c->srcFormat) == HAVE_BIGENDIAN){
1547  DITHER_COPY(dstPtr, dstStride[plane], srcPtr2, srcStride[plane]/2, , )
1548  } else {
1549  DITHER_COPY(dstPtr, dstStride[plane], srcPtr2, srcStride[plane]/2, av_bswap16, )
1550  }
1551  } else if (src_depth == 8) {
1552  for (i = 0; i < height; i++) {
1553  #define COPY816(w)\
1554  if (shiftonly) {\
1555  for (j = 0; j < length; j++)\
1556  w(&dstPtr2[j], srcPtr[j]<<(dst_depth-8));\
1557  } else {\
1558  for (j = 0; j < length; j++)\
1559  w(&dstPtr2[j], (srcPtr[j]<<(dst_depth-8)) |\
1560  (srcPtr[j]>>(2*8-dst_depth)));\
1561  }
1562  if(isBE(c->dstFormat)){
1563  COPY816(AV_WB16)
1564  } else {
1565  COPY816(AV_WL16)
1566  }
1567  dstPtr2 += dstStride[plane]/2;
1568  srcPtr += srcStride[plane];
1569  }
1570  } else if (src_depth <= dst_depth) {
1571  for (i = 0; i < height; i++) {
1572  j = 0;
1573  if(isBE(c->srcFormat) == HAVE_BIGENDIAN &&
1574  isBE(c->dstFormat) == HAVE_BIGENDIAN &&
1575  shiftonly) {
1576  unsigned shift = dst_depth - src_depth;
1577 #if HAVE_FAST_64BIT
1578 #define FAST_COPY_UP(shift) \
1579  for (; j < length - 3; j += 4) { \
1580  uint64_t v = AV_RN64A(srcPtr2 + j); \
1581  AV_WN64A(dstPtr2 + j, v << shift); \
1582  }
1583 #else
1584 #define FAST_COPY_UP(shift) \
1585  for (; j < length - 1; j += 2) { \
1586  uint32_t v = AV_RN32A(srcPtr2 + j); \
1587  AV_WN32A(dstPtr2 + j, v << shift); \
1588  }
1589 #endif
1590  switch (shift)
1591  {
1592  case 6: FAST_COPY_UP(6); break;
1593  case 7: FAST_COPY_UP(7); break;
1594  }
1595  }
1596 #define COPY_UP(r,w) \
1597  if(shiftonly){\
1598  for (; j < length; j++){ \
1599  unsigned int v= r(&srcPtr2[j]);\
1600  w(&dstPtr2[j], v<<(dst_depth-src_depth));\
1601  }\
1602  }else{\
1603  for (; j < length; j++){ \
1604  unsigned int v= r(&srcPtr2[j]);\
1605  w(&dstPtr2[j], (v<<(dst_depth-src_depth)) | \
1606  (v>>(2*src_depth-dst_depth)));\
1607  }\
1608  }
1609  if(isBE(c->srcFormat)){
1610  if(isBE(c->dstFormat)){
1611  COPY_UP(AV_RB16, AV_WB16)
1612  } else {
1613  COPY_UP(AV_RB16, AV_WL16)
1614  }
1615  } else {
1616  if(isBE(c->dstFormat)){
1617  COPY_UP(AV_RL16, AV_WB16)
1618  } else {
1619  COPY_UP(AV_RL16, AV_WL16)
1620  }
1621  }
1622  dstPtr2 += dstStride[plane]/2;
1623  srcPtr2 += srcStride[plane]/2;
1624  }
1625  } else {
1626  if(isBE(c->srcFormat) == HAVE_BIGENDIAN){
1627  if(isBE(c->dstFormat) == HAVE_BIGENDIAN){
1628  DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, , )
1629  } else {
1630  DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, , av_bswap16)
1631  }
1632  }else{
1633  if(isBE(c->dstFormat) == HAVE_BIGENDIAN){
1634  DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, av_bswap16, )
1635  } else {
1636  DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, av_bswap16, av_bswap16)
1637  }
1638  }
1639  }
1640  } else if (is16BPS(c->srcFormat) && is16BPS(c->dstFormat) &&
1641  isBE(c->srcFormat) != isBE(c->dstFormat)) {
1642 
1643  for (i = 0; i < height; i++) {
1644  for (j = 0; j < length; j++)
1645  ((uint16_t *) dstPtr)[j] = av_bswap16(((const uint16_t *) srcPtr)[j]);
1646  srcPtr += srcStride[plane];
1647  dstPtr += dstStride[plane];
1648  }
1649  } else if (dstStride[plane] == srcStride[plane] &&
1650  srcStride[plane] > 0 && srcStride[plane] == length) {
1651  memcpy(dst[plane] + dstStride[plane] * y, src[plane],
1652  height * dstStride[plane]);
1653  } else {
1654  if (is16BPS(c->srcFormat) && is16BPS(c->dstFormat))
1655  length *= 2;
1656  else if (desc_src->comp[0].depth == 1)
1657  length >>= 3; // monowhite/black
1658  for (i = 0; i < height; i++) {
1659  memcpy(dstPtr, srcPtr, length);
1660  srcPtr += srcStride[plane];
1661  dstPtr += dstStride[plane];
1662  }
1663  }
1664  }
1665  }
1666  return srcSliceH;
1667 }
1668 
1669 
1670 #define IS_DIFFERENT_ENDIANESS(src_fmt, dst_fmt, pix_fmt) \
1671  ((src_fmt == pix_fmt ## BE && dst_fmt == pix_fmt ## LE) || \
1672  (src_fmt == pix_fmt ## LE && dst_fmt == pix_fmt ## BE))
1673 
1674 
1675 void ff_get_unscaled_swscale(SwsContext *c)
1676 {
1677  const enum AVPixelFormat srcFormat = c->srcFormat;
1678  const enum AVPixelFormat dstFormat = c->dstFormat;
1679  const int flags = c->flags;
1680  const int dstH = c->dstH;
1681  int needsDither;
1682 
1683  needsDither = isAnyRGB(dstFormat) &&
1684  c->dstFormatBpp < 24 &&
1685  (c->dstFormatBpp < c->srcFormatBpp || (!isAnyRGB(srcFormat)));
1686 
1687  /* yv12_to_nv12 */
1688  if ((srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUVA420P) &&
1689  (dstFormat == AV_PIX_FMT_NV12 || dstFormat == AV_PIX_FMT_NV21)) {
1690  c->swscale = planarToNv12Wrapper;
1691  }
1692  /* nv12_to_yv12 */
1693  if (dstFormat == AV_PIX_FMT_YUV420P &&
1694  (srcFormat == AV_PIX_FMT_NV12 || srcFormat == AV_PIX_FMT_NV21)) {
1695  c->swscale = nv12ToPlanarWrapper;
1696  }
1697  /* yuv2bgr */
1698  if ((srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUV422P ||
1699  srcFormat == AV_PIX_FMT_YUVA420P) && isAnyRGB(dstFormat) &&
1700  !(flags & SWS_ACCURATE_RND) && (c->dither == SWS_DITHER_BAYER || c->dither == SWS_DITHER_AUTO) && !(dstH & 1)) {
1701  c->swscale = ff_yuv2rgb_get_func_ptr(c);
1702  }
1703  /* yuv420p10_to_p010 */
1704  if ((srcFormat == AV_PIX_FMT_YUV420P10 || srcFormat == AV_PIX_FMT_YUVA420P10) &&
1705  dstFormat == AV_PIX_FMT_P010) {
1706  c->swscale = planarToP010Wrapper;
1707  }
1708  /* yuv420p_to_p010le */
1709  if ((srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUVA420P) &&
1710  dstFormat == AV_PIX_FMT_P010LE) {
1711  c->swscale = planar8ToP01xleWrapper;
1712  }
1713 
1714  if (srcFormat == AV_PIX_FMT_YUV410P && !(dstH & 3) &&
1715  (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P) &&
1716  !(flags & SWS_BITEXACT)) {
1717  c->swscale = yvu9ToYv12Wrapper;
1718  }
1719 
1720  /* bgr24toYV12 */
1721  if (srcFormat == AV_PIX_FMT_BGR24 &&
1722  (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P) &&
1723  !(flags & SWS_ACCURATE_RND))
1724  c->swscale = bgr24ToYv12Wrapper;
1725 
1726  /* RGB/BGR -> RGB/BGR (no dither needed forms) */
1727  if (isAnyRGB(srcFormat) && isAnyRGB(dstFormat) && findRgbConvFn(c)
1728  && (!needsDither || (c->flags&(SWS_FAST_BILINEAR|SWS_POINT))))
1729  c->swscale = rgbToRgbWrapper;
1730 
1731  /* RGB to planar RGB */
1732  if ((srcFormat == AV_PIX_FMT_GBRP && dstFormat == AV_PIX_FMT_GBRAP) ||
1733  (srcFormat == AV_PIX_FMT_GBRAP && dstFormat == AV_PIX_FMT_GBRP))
1734  c->swscale = planarRgbToplanarRgbWrapper;
1735 
1736 #define isByteRGB(f) ( \
1737  f == AV_PIX_FMT_RGB32 || \
1738  f == AV_PIX_FMT_RGB32_1 || \
1739  f == AV_PIX_FMT_RGB24 || \
1740  f == AV_PIX_FMT_BGR32 || \
1741  f == AV_PIX_FMT_BGR32_1 || \
1742  f == AV_PIX_FMT_BGR24)
1743 
1744  if (srcFormat == AV_PIX_FMT_GBRP && isPlanar(srcFormat) && isByteRGB(dstFormat))
1745  c->swscale = planarRgbToRgbWrapper;
1746 
1747  if ((srcFormat == AV_PIX_FMT_RGB48LE || srcFormat == AV_PIX_FMT_RGB48BE ||
1748  srcFormat == AV_PIX_FMT_BGR48LE || srcFormat == AV_PIX_FMT_BGR48BE ||
1749  srcFormat == AV_PIX_FMT_RGBA64LE || srcFormat == AV_PIX_FMT_RGBA64BE ||
1750  srcFormat == AV_PIX_FMT_BGRA64LE || srcFormat == AV_PIX_FMT_BGRA64BE) &&
1751  (dstFormat == AV_PIX_FMT_GBRP9LE || dstFormat == AV_PIX_FMT_GBRP9BE ||
1752  dstFormat == AV_PIX_FMT_GBRP10LE || dstFormat == AV_PIX_FMT_GBRP10BE ||
1753  dstFormat == AV_PIX_FMT_GBRP12LE || dstFormat == AV_PIX_FMT_GBRP12BE ||
1754  dstFormat == AV_PIX_FMT_GBRP14LE || dstFormat == AV_PIX_FMT_GBRP14BE ||
1755  dstFormat == AV_PIX_FMT_GBRP16LE || dstFormat == AV_PIX_FMT_GBRP16BE ||
1756  dstFormat == AV_PIX_FMT_GBRAP12LE || dstFormat == AV_PIX_FMT_GBRAP12BE ||
1757  dstFormat == AV_PIX_FMT_GBRAP16LE || dstFormat == AV_PIX_FMT_GBRAP16BE ))
1758  c->swscale = Rgb16ToPlanarRgb16Wrapper;
1759 
1760  if ((srcFormat == AV_PIX_FMT_GBRP9LE || srcFormat == AV_PIX_FMT_GBRP9BE ||
1761  srcFormat == AV_PIX_FMT_GBRP16LE || srcFormat == AV_PIX_FMT_GBRP16BE ||
1762  srcFormat == AV_PIX_FMT_GBRP10LE || srcFormat == AV_PIX_FMT_GBRP10BE ||
1763  srcFormat == AV_PIX_FMT_GBRP12LE || srcFormat == AV_PIX_FMT_GBRP12BE ||
1764  srcFormat == AV_PIX_FMT_GBRP14LE || srcFormat == AV_PIX_FMT_GBRP14BE ||
1765  srcFormat == AV_PIX_FMT_GBRAP12LE || srcFormat == AV_PIX_FMT_GBRAP12BE ||
1766  srcFormat == AV_PIX_FMT_GBRAP16LE || srcFormat == AV_PIX_FMT_GBRAP16BE) &&
1767  (dstFormat == AV_PIX_FMT_RGB48LE || dstFormat == AV_PIX_FMT_RGB48BE ||
1768  dstFormat == AV_PIX_FMT_BGR48LE || dstFormat == AV_PIX_FMT_BGR48BE ||
1769  dstFormat == AV_PIX_FMT_RGBA64LE || dstFormat == AV_PIX_FMT_RGBA64BE ||
1770  dstFormat == AV_PIX_FMT_BGRA64LE || dstFormat == AV_PIX_FMT_BGRA64BE))
1771  c->swscale = planarRgb16ToRgb16Wrapper;
1772 
1773  if (av_pix_fmt_desc_get(srcFormat)->comp[0].depth == 8 &&
1774  isPackedRGB(srcFormat) && dstFormat == AV_PIX_FMT_GBRP)
1775  c->swscale = rgbToPlanarRgbWrapper;
1776 
1777  if (isBayer(srcFormat)) {
1778  if (dstFormat == AV_PIX_FMT_RGB24)
1779  c->swscale = bayer_to_rgb24_wrapper;
1780  else if (dstFormat == AV_PIX_FMT_YUV420P)
1781  c->swscale = bayer_to_yv12_wrapper;
1782  else if (!isBayer(dstFormat)) {
1783  av_log(c, AV_LOG_ERROR, "unsupported bayer conversion\n");
1784  av_assert0(0);
1785  }
1786  }
1787 
1788  /* bswap 16 bits per pixel/component packed formats */
1789  if (IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BAYER_BGGR16) ||
1790  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BAYER_RGGB16) ||
1791  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BAYER_GBRG16) ||
1792  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BAYER_GRBG16) ||
1793  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR444) ||
1794  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR48) ||
1795  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGRA64) ||
1796  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR555) ||
1797  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR565) ||
1798  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGRA64) ||
1799  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY10) ||
1800  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY12) ||
1801  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY16) ||
1802  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YA16) ||
1803  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_AYUV64) ||
1804  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP9) ||
1805  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP10) ||
1806  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP12) ||
1807  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP14) ||
1808  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP16) ||
1809  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRAP12) ||
1810  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRAP16) ||
1811  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB444) ||
1812  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB48) ||
1813  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGBA64) ||
1814  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB555) ||
1815  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB565) ||
1816  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGBA64) ||
1817  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_XYZ12) ||
1818  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P9) ||
1819  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P10) ||
1820  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P12) ||
1821  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P14) ||
1822  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P16) ||
1823  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P9) ||
1824  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P10) ||
1825  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P12) ||
1826  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P14) ||
1827  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P16) ||
1828  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV440P10) ||
1829  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV440P12) ||
1830  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P9) ||
1831  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P10) ||
1832  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P12) ||
1833  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P14) ||
1834  IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P16))
1835  c->swscale = packed_16bpc_bswap;
1836 
1837  if (usePal(srcFormat) && isByteRGB(dstFormat))
1838  c->swscale = palToRgbWrapper;
1839 
1840  if (srcFormat == AV_PIX_FMT_YUV422P) {
1841  if (dstFormat == AV_PIX_FMT_YUYV422)
1842  c->swscale = yuv422pToYuy2Wrapper;
1843  else if (dstFormat == AV_PIX_FMT_UYVY422)
1844  c->swscale = yuv422pToUyvyWrapper;
1845  }
1846 
1847  /* LQ converters if -sws 0 or -sws 4*/
1848  if (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)) {
1849  /* yv12_to_yuy2 */
1850  if (srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUVA420P) {
1851  if (dstFormat == AV_PIX_FMT_YUYV422)
1852  c->swscale = planarToYuy2Wrapper;
1853  else if (dstFormat == AV_PIX_FMT_UYVY422)
1854  c->swscale = planarToUyvyWrapper;
1855  }
1856  }
1857  if (srcFormat == AV_PIX_FMT_YUYV422 &&
1858  (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P))
1859  c->swscale = yuyvToYuv420Wrapper;
1860  if (srcFormat == AV_PIX_FMT_UYVY422 &&
1861  (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P))
1862  c->swscale = uyvyToYuv420Wrapper;
1863  if (srcFormat == AV_PIX_FMT_YUYV422 && dstFormat == AV_PIX_FMT_YUV422P)
1864  c->swscale = yuyvToYuv422Wrapper;
1865  if (srcFormat == AV_PIX_FMT_UYVY422 && dstFormat == AV_PIX_FMT_YUV422P)
1866  c->swscale = uyvyToYuv422Wrapper;
1867 
1868 #define isPlanarGray(x) (isGray(x) && (x) != AV_PIX_FMT_YA8 && (x) != AV_PIX_FMT_YA16LE && (x) != AV_PIX_FMT_YA16BE)
1869  /* simple copy */
1870  if ( srcFormat == dstFormat ||
1871  (srcFormat == AV_PIX_FMT_YUVA420P && dstFormat == AV_PIX_FMT_YUV420P) ||
1872  (srcFormat == AV_PIX_FMT_YUV420P && dstFormat == AV_PIX_FMT_YUVA420P) ||
1873  (isPlanarYUV(srcFormat) && isPlanarGray(dstFormat)) ||
1874  (isPlanarYUV(dstFormat) && isPlanarGray(srcFormat)) ||
1875  (isPlanarGray(dstFormat) && isPlanarGray(srcFormat)) ||
1876  (isPlanarYUV(srcFormat) && isPlanarYUV(dstFormat) &&
1877  c->chrDstHSubSample == c->chrSrcHSubSample &&
1878  c->chrDstVSubSample == c->chrSrcVSubSample &&
1879  dstFormat != AV_PIX_FMT_NV12 && dstFormat != AV_PIX_FMT_NV21 &&
1880  dstFormat != AV_PIX_FMT_P010LE && dstFormat != AV_PIX_FMT_P010BE &&
1881  dstFormat != AV_PIX_FMT_P016LE && dstFormat != AV_PIX_FMT_P016BE &&
1882  srcFormat != AV_PIX_FMT_NV12 && srcFormat != AV_PIX_FMT_NV21 &&
1883  srcFormat != AV_PIX_FMT_P010LE && srcFormat != AV_PIX_FMT_P010BE &&
1884  srcFormat != AV_PIX_FMT_P016LE && srcFormat != AV_PIX_FMT_P016BE))
1885  {
1886  if (isPacked(c->srcFormat))
1887  c->swscale = packedCopyWrapper;
1888  else /* Planar YUV or gray */
1889  c->swscale = planarCopyWrapper;
1890  }
1891 
1892  if (ARCH_PPC)
1893  ff_get_unscaled_swscale_ppc(c);
1894  if (ARCH_ARM)
1895  ff_get_unscaled_swscale_arm(c);
1896  if (ARCH_AARCH64)
1897  ff_get_unscaled_swscale_aarch64(c);
1898 }
1899 
1900 /* Convert the palette to the same packed 32-bit format as the palette */
1901 void sws_convertPalette8ToPacked32(const uint8_t *src, uint8_t *dst,
1902  int num_pixels, const uint8_t *palette)
1903 {
1904  int i;
1905 
1906  for (i = 0; i < num_pixels; i++)
1907  ((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i]];
1908 }
1909 
1910 /* Palette format: ABCD -> dst format: ABC */
1911 void sws_convertPalette8ToPacked24(const uint8_t *src, uint8_t *dst,
1912  int num_pixels, const uint8_t *palette)
1913 {
1914  int i;
1915 
1916  for (i = 0; i < num_pixels; i++) {
1917  //FIXME slow?
1918  dst[0] = palette[src[i] * 4 + 0];
1919  dst[1] = palette[src[i] * 4 + 1];
1920  dst[2] = palette[src[i] * 4 + 2];
1921  dst += 3;
1922  }
1923 }
IS_NOT_NE
#define IS_NOT_NE(bpp, desc)
plane
int plane
Definition: avisynth_c.h:422
AV_PIX_FMT_UYVY422
packed YUV 4:2:2, 16bpp, Cb Y0 Cr Y1
Definition: pixfmt.h:82
shuffle_bytes_1230
void shuffle_bytes_1230(const uint8_t *src, uint8_t *dst, int src_size)
dither_scale
static const uint16_t dither_scale[15][16]
Definition: swscale_unscaled.c:113
NULL
#define NULL
Definition: coverity.c:32
val
const char const char void * val
Definition: avisynth_c.h:771
isAnyRGB
static av_always_inline int isAnyRGB(enum AVPixelFormat pix_fmt)
Definition: swscale_internal.h:752
shift
static int shift(int a, int b)
Definition: sonic.c:82
AV_PIX_FMT_YUV440P10
#define AV_PIX_FMT_YUV440P10
Definition: pixfmt.h:353
copy
static void copy(const float *p1, float *p2, const int length)
Definition: vf_vaguedenoiser.c:183
COPY816
#define COPY816(w)
av_pix_fmt_desc_get
const AVPixFmtDescriptor * av_pix_fmt_desc_get(enum AVPixelFormat pix_fmt)
Definition: pixdesc.c:2333
packed_16bpc_bswap
static int packed_16bpc_bswap(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[])
Definition: swscale_unscaled.c:432
isPlanarGray
#define isPlanarGray(x)
h
h
Definition: vp9dsp_template.c:2038
sws_convertPalette8ToPacked32
void sws_convertPalette8ToPacked32(const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette)
Convert an 8-bit paletted frame into a frame with a color depth of 32 bits.
Definition: swscale_unscaled.c:1901
AV_PIX_FMT_YUVA420P10
#define AV_PIX_FMT_YUVA420P10
Definition: pixfmt.h:384
conv
static int conv(int samples, float **pcm, char *buf, int channels)
Definition: libvorbisdec.c:120
sws_convertPalette8ToPacked24
void sws_convertPalette8ToPacked24(const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette)
Convert an 8-bit paletted frame into a frame with a color depth of 24 bits.
Definition: swscale_unscaled.c:1911
AV_PIX_FMT_YUV444P14
#define AV_PIX_FMT_YUV444P14
Definition: pixfmt.h:361
AV_PIX_FMT_YA8
8 bits gray, 8 bits alpha
Definition: pixfmt.h:154
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
rgb2yuv
static void fn() rgb2yuv(uint8_t *_yuv[3], const ptrdiff_t yuv_stride[3], int16_t *rgb[3], ptrdiff_t s, int w, int h, const int16_t rgb2yuv_coeffs[3][3][8], const int16_t yuv_offset[8])
Definition: colorspacedsp_template.c:130
rgb16tobgr32
void rgb16tobgr32(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:178
SwsContext::pal_rgb
uint32_t pal_rgb[256]
Definition: swscale_internal.h:341
rgb12tobgr12
void rgb12tobgr12(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:310
ff_rgb24toyv12
void(* ff_rgb24toyv12)(const uint8_t *src, uint8_t *ydst, uint8_t *udst, uint8_t *vdst, int width, int height, int lumStride, int chromStride, int srcStride, int32_t *rgb2yuv)
Height should be a multiple of 2 and width should be a multiple of 2.
Definition: rgb2rgb.c:77
shuffle_bytes_3012
void shuffle_bytes_3012(const uint8_t *src, uint8_t *dst, int src_size)
AV_PIX_FMT_RGB24
packed RGB 8:8:8, 24bpp, RGBRGB...
Definition: pixfmt.h:64
planar2x
void(* planar2x)(const uint8_t *src, uint8_t *dst, int width, int height, int srcStride, int dstStride)
Definition: rgb2rgb.c:82
packed16togbra16
static void packed16togbra16(const uint8_t *src, int srcStride, uint16_t *dst[], int dstStride[], int srcSliceH, int src_alpha, int swap, int shift, int width)
Definition: swscale_unscaled.c:505
AV_PIX_FMT_RGBA64
#define AV_PIX_FMT_RGBA64
Definition: pixfmt.h:341
shuffle_bytes_3210
void shuffle_bytes_3210(const uint8_t *src, uint8_t *dst, int src_size)
AV_PIX_FMT_BAYER_GBRG8
bayer, GBGB..(odd line), RGRG..(even line), 8-bit samples */
Definition: pixfmt.h:276
AV_PIX_FMT_BAYER_GRBG8
bayer, GRGR..(odd line), BGBG..(even line), 8-bit samples */
Definition: pixfmt.h:277
AV_PIX_FMT_GBRP
planar GBR 4:4:4 24bpp
Definition: pixfmt.h:180
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
rgb16tobgr16
void rgb16tobgr16(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:233
AV_PIX_FMT_GBRP10
#define AV_PIX_FMT_GBRP10
Definition: pixfmt.h:367
AV_PIX_FMT_BAYER_GRBG16LE
bayer, GRGR..(odd line), BGBG..(even line), 16-bit samples, little-endian */
Definition: pixfmt.h:284
gbr24ptopacked32
static void gbr24ptopacked32(const uint8_t *src[], int srcStride[], uint8_t *dst, int dstStride, int srcSliceH, int alpha_first, int width)
Definition: swscale_unscaled.c:896
yuyvtoyuv422
void(* yuyvtoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src, int width, int height, int lumStride, int chromStride, int srcStride)
Definition: rgb2rgb.c:109
av_bswap16
#define av_bswap16
Definition: bswap.h:31
SwsContext::dstFormatBpp
int dstFormatBpp
Number of bits per pixel of the destination pixel format.
Definition: swscale_internal.h:306
AV_PIX_FMT_BGRA64
#define AV_PIX_FMT_BGRA64
Definition: pixfmt.h:346
yuv422ptouyvy
void(* yuv422ptouyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, int width, int height, int lumStride, int chromStride, int dstStride)
Width should be a multiple of 16.
Definition: rgb2rgb.c:69
is16BPS
static av_always_inline int is16BPS(enum AVPixelFormat pix_fmt)
Definition: swscale_internal.h:648
avutil.h
Convenience header that includes libavutil's core.
isRGBA32
#define isRGBA32(x)
Definition: swscale_unscaled.c:1236
AV_PIX_FMT_GBRP12LE
planar GBR 4:4:4 36bpp, little-endian
Definition: pixfmt.h:269
gbr24ptopacked24
static void gbr24ptopacked24(const uint8_t *src[], int srcStride[], uint8_t *dst, int dstStride, int srcSliceH, int width)
Definition: swscale_unscaled.c:878
AV_PIX_FMT_YUV420P12
#define AV_PIX_FMT_YUV420P12
Definition: pixfmt.h:355
RGBA
#define RGBA(r, g, b, a)
Definition: dvbsubdec.c:96
SwsContext::srcRange
int srcRange
0 = MPG YUV range, 1 = JPG YUV range (source image).
Definition: swscale_internal.h:425
AV_PIX_FMT_BAYER_BGGR8
bayer, BGBG..(odd line), GRGR..(even line), 8-bit samples */
Definition: pixfmt.h:274
AV_RB16
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_WL16 uint64_t_TMPL AV_WB64 unsigned int_TMPL AV_WB32 unsigned int_TMPL AV_WB24 unsigned int_TMPL AV_RB16
Definition: bytestream.h:87
rgb32to16
void(* rgb32to16)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:45
AV_PIX_FMT_RGB444
#define AV_PIX_FMT_RGB444
Definition: pixfmt.h:340
CASE
#define CASE(pixfmt, prefix)
src
#define src
Definition: vp8dsp.c:254
SwsContext::dstY
int dstY
Last destination vertical line output from last slice.
Definition: swscale_internal.h:398
AV_PIX_FMT_GBRP12BE
planar GBR 4:4:4 36bpp, big-endian
Definition: pixfmt.h:268
AV_RL16
uint64_t_TMPL AV_WL64 unsigned int_TMPL AV_WL32 unsigned int_TMPL AV_WL24 unsigned int_TMPL AV_RL16
Definition: bytestream.h:87
rgb48tobgr48_nobswap
void rgb48tobgr48_nobswap(const uint8_t *src, uint8_t *dst, int src_size)
AV_PIX_FMT_GRAY10
#define AV_PIX_FMT_GRAY10
Definition: pixfmt.h:333
rgb16to15
void(* rgb16to15)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:50
uyvytoyuv420
void(* uyvytoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src, int width, int height, int lumStride, int chromStride, int srcStride)
Definition: rgb2rgb.c:100
AV_PIX_FMT_GRAY12
#define AV_PIX_FMT_GRAY12
Definition: pixfmt.h:334
uyvytoyuv422
void(* uyvytoyuv422)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src, int width, int height, int lumStride, int chromStride, int srcStride)
Definition: rgb2rgb.c:103
AV_PIX_FMT_P010
#define AV_PIX_FMT_P010
Definition: pixfmt.h:394
AV_PIX_FMT_GBRAP16BE
planar GBRA 4:4:4:4 64bpp, big-endian
Definition: pixfmt.h:230
av_assert0
#define av_assert0(cond)
assert() equivalent, that is always enabled.
Definition: avassert.h:37
bgr24ToYv12Wrapper
static int bgr24ToYv12Wrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[])
Definition: swscale_unscaled.c:1426
AV_PIX_FMT_YUVA420P
planar YUV 4:2:0, 20bpp, (1 Cr & Cb sample per 2x2 Y & A samples)
Definition: pixfmt.h:102
SwsContext::chrDstVSubSample
int chrDstVSubSample
Binary logarithm of vertical subsampling factor between luma/alpha and chroma planes in destination i...
Definition: swscale_internal.h:312
uyvyToYuv422Wrapper
static int uyvyToYuv422Wrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dstParam[], int dstStride[])
Definition: swscale_unscaled.c:387
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
isByteRGB
#define isByteRGB(f)
AV_PIX_FMT_FLAG_ALPHA
#define AV_PIX_FMT_FLAG_ALPHA
The pixel format has an alpha channel.
Definition: pixdesc.h:173
yuv422ptoyuy2
void(* yuv422ptoyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, int width, int height, int lumStride, int chromStride, int dstStride)
Width should be a multiple of 16.
Definition: rgb2rgb.c:65
rgbToPlanarRgbWrapper
static int rgbToPlanarRgbWrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[])
Definition: swscale_unscaled.c:1027
yuyvToYuv422Wrapper
static int yuyvToYuv422Wrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dstParam[], int dstStride[])
Definition: swscale_unscaled.c:356
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:111
AV_PIX_FMT_BAYER_GBRG16LE
bayer, GBGB..(odd line), RGRG..(even line), 16-bit samples, little-endian */
Definition: pixfmt.h:282
AV_PIX_FMT_BAYER_GBRG16BE
bayer, GBGB..(odd line), RGRG..(even line), 16-bit samples, big-endian */
Definition: pixfmt.h:283
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
rgb16to24
void rgb16to24(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:219
AV_PIX_FMT_GBRP9
#define AV_PIX_FMT_GBRP9
Definition: pixfmt.h:366
AV_PIX_FMT_ABGR
packed ABGR 8:8:8:8, 32bpp, ABGRABGR...
Definition: pixfmt.h:95
interpolate
static void interpolate(float *out, float v1, float v2, int size)
Definition: twinvq.c:84
rgb15tobgr24
void(* rgb15tobgr24)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:43
SWS_FAST_BILINEAR
#define SWS_FAST_BILINEAR
Definition: swscale.h:58
DECLARE_ALIGNED
#define DECLARE_ALIGNED(n, t, v)
Declare a variable that is aligned in memory.
Definition: mem.h:104
height
#define height
yuyvToYuv420Wrapper
static int yuyvToYuv420Wrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dstParam[], int dstStride[])
Definition: swscale_unscaled.c:339
AV_PIX_FMT_GBRP16BE
planar GBR 4:4:4 48bpp, big-endian
Definition: pixfmt.h:186
flags
static int flags
Definition: log.c:57
planarRgbToplanarRgbWrapper
static int planarRgbToplanarRgbWrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[])
Definition: swscale_unscaled.c:981
AV_PIX_FMT_BGR48
#define AV_PIX_FMT_BGR48
Definition: pixfmt.h:342
AV_PIX_FMT_YUV444P16
#define AV_PIX_FMT_YUV444P16
Definition: pixfmt.h:364
swscale.h
external API header
SwsContext::dstFormat
enum AVPixelFormat dstFormat
Destination pixel format.
Definition: swscale_internal.h:304
AV_PIX_FMT_YUV422P12
#define AV_PIX_FMT_YUV422P12
Definition: pixfmt.h:356
AV_WB16
#define AV_WB16(p, v)
Definition: intreadwrite.h:410
AV_PIX_FMT_BAYER_BGGR16LE
bayer, BGBG..(odd line), GRGR..(even line), 16-bit samples, little-endian */
Definition: pixfmt.h:278
SwsContext::chrSrcHSubSample
int chrSrcHSubSample
Binary logarithm of horizontal subsampling factor between luma/alpha and chroma planes in source imag...
Definition: swscale_internal.h:309
AV_PIX_FMT_BAYER_GRBG16
#define AV_PIX_FMT_BAYER_GRBG16
Definition: pixfmt.h:378
av_log
#define av_log(a,...)
Definition: tableprint_vlc.h:28
COPY_UP
#define COPY_UP(r, w)
AVPixFmtDescriptor::name
const char * name
Definition: pixdesc.h:82
yv12touyvy
void(* yv12touyvy)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, int width, int height, int lumStride, int chromStride, int dstStride)
Height should be a multiple of 2 and width should be a multiple of 16.
Definition: rgb2rgb.c:61
SwsContext::dstH
int dstH
Height of destination luma/alpha planes.
Definition: swscale_internal.h:297
ff_get_unscaled_swscale
void ff_get_unscaled_swscale(SwsContext *c)
Set c->swscale to an unscaled converter if one exists for the specific source and destination formats...
Definition: swscale_unscaled.c:1675
yuv422pToUyvyWrapper
static int yuv422pToUyvyWrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dstParam[], int dstStride[])
Definition: swscale_unscaled.c:327
AV_PIX_FMT_GBRP9BE
planar GBR 4:4:4 27bpp, big-endian
Definition: pixfmt.h:182
rgb64to48_nobswap
void rgb64to48_nobswap(const uint8_t *src, uint8_t *dst, int src_size)
CONV_IS
#define CONV_IS(src, dst)
alpha
static double alpha(void *priv, double x, double y)
Definition: vf_geq.c:99
AV_LOG_ERROR
#define AV_LOG_ERROR
Something went wrong and cannot losslessly be recovered.
Definition: log.h:176
AV_PIX_FMT_BGR32_1
#define AV_PIX_FMT_BGR32_1
Definition: pixfmt.h:329
planarToNv12Wrapper
static int planarToNv12Wrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dstParam[], int dstStride[])
Definition: swscale_unscaled.c:160
bayer_to_yv12_wrapper
static int bayer_to_yv12_wrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[])
Definition: swscale_unscaled.c:1181
interleaveBytes
void(* interleaveBytes)(const uint8_t *src1, const uint8_t *src2, uint8_t *dst, int width, int height, int src1Stride, int src2Stride, int dstStride)
Definition: rgb2rgb.c:84
findRgbConvFn
static rgbConvFn findRgbConvFn(SwsContext *c)
Definition: swscale_unscaled.c:1259
SWS_DITHER_AUTO
Definition: swscale_internal.h:71
gray8aToPacked24
static void gray8aToPacked24(const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette)
Definition: swscale_unscaled.c:418
AV_PIX_FMT_P016BE
like NV12, with 16bpp per component, big-endian
Definition: pixfmt.h:315
output_pixel
#define output_pixel(p, v)
Definition: swscale_unscaled.c:246
AV_PIX_FMT_FLAG_RGB
#define AV_PIX_FMT_FLAG_RGB
The pixel format contains RGB-like data (as opposed to YUV/grayscale).
Definition: pixdesc.h:148
rgb16to32
void(* rgb16to32)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:49
FAST_COPY_UP
#define FAST_COPY_UP(shift)
planarRgb16ToRgb16Wrapper
static int planarRgb16ToRgb16Wrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[])
Definition: swscale_unscaled.c:818
AV_PIX_FMT_BGRA
packed BGRA 8:8:8:8, 32bpp, BGRABGRA...
Definition: pixfmt.h:96
rgb24tobgr32
void(* rgb24tobgr32)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:38
rgb24to15
void(* rgb24to15)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:48
AV_PIX_FMT_YA16
#define AV_PIX_FMT_YA16
Definition: pixfmt.h:336
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:90
AV_PIX_FMT_GBRAP12
#define AV_PIX_FMT_GBRAP12
Definition: pixfmt.h:372
AV_PIX_FMT_RGB48
#define AV_PIX_FMT_RGB48
Definition: pixfmt.h:337
avassert.h
simple assert() macros that are a bit more flexible than ISO C assert().
length
GLsizei GLsizei * length
Definition: opengl_enc.c:115
AV_PIX_FMT_P016LE
like NV12, with 16bpp per component, little-endian
Definition: pixfmt.h:314
fillPlane
static void fillPlane(uint8_t *plane, int stride, int width, int height, int y, uint8_t val)
Definition: swscale_unscaled.c:132
AV_PIX_FMT_YUV444P10
#define AV_PIX_FMT_YUV444P10
Definition: pixfmt.h:354
AV_PIX_FMT_P010BE
like NV12, with 10bpp per component, data in the high bits, zeros in the low bits, big-endian
Definition: pixfmt.h:299
yuv422pToYuy2Wrapper
static int yuv422pToYuy2Wrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dstParam[], int dstStride[])
Definition: swscale_unscaled.c:315
AV_PIX_FMT_ARGB
packed ARGB 8:8:8:8, 32bpp, ARGBARGB...
Definition: pixfmt.h:93
dithers
static const uint8_t dithers[8][8][8]
Definition: swscale_unscaled.c:38
AV_PIX_FMT_GBRAP16
#define AV_PIX_FMT_GBRAP16
Definition: pixfmt.h:373
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:160
depth
int depth
Definition: v4l.c:62
AV_PIX_FMT_RGBA
packed RGBA 8:8:8:8, 32bpp, RGBARGBA...
Definition: pixfmt.h:94
AV_PIX_FMT_YUV422P
planar YUV 4:2:2, 16bpp, (1 Cr & Cb sample per 2x1 Y samples)
Definition: pixfmt.h:66
uyvyToYuv420Wrapper
static int uyvyToYuv420Wrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dstParam[], int dstStride[])
Definition: swscale_unscaled.c:370
palToRgbWrapper
static int palToRgbWrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[])
Definition: swscale_unscaled.c:459
AVPixFmtDescriptor::flags
uint64_t flags
Combination of AV_PIX_FMT_FLAG_...
Definition: pixdesc.h:106
AV_PIX_FMT_YUV422P9
#define AV_PIX_FMT_YUV422P9
Definition: pixfmt.h:349
rgb15tobgr16
void rgb15tobgr16(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:289
AV_PIX_FMT_NV21
as above, but U and V bytes are swapped
Definition: pixfmt.h:91
AV_PIX_FMT_GBRAP12BE
planar GBR 4:4:4:4 48bpp, big-endian
Definition: pixfmt.h:301
AV_PIX_FMT_GBRP16
#define AV_PIX_FMT_GBRP16
Definition: pixfmt.h:370
AV_PIX_FMT_GRAY16
#define AV_PIX_FMT_GRAY16
Definition: pixfmt.h:335
av_assert1
#define av_assert1(cond)
assert() equivalent, that does not lie in speed critical code.
Definition: avassert.h:53
FFMIN
#define FFMIN(a, b)
Definition: common.h:96
SwsContext::formatConvBuffer
uint8_t * formatConvBuffer
Definition: swscale_internal.h:359
width
#define width
rgb32tobgr15
void(* rgb32tobgr15)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:37
isBayer
static av_always_inline int isBayer(enum AVPixelFormat pix_fmt)
Definition: swscale_internal.h:745
void
typedef void(APIENTRY *FF_PFNGLACTIVETEXTUREPROC)(GLenum texture)
isRGBA64
#define isRGBA64(x)
Definition: swscale_unscaled.c:1243
rgb64tobgr48_nobswap
void rgb64tobgr48_nobswap(const uint8_t *src, uint8_t *dst, int src_size)
int32_t
int32_t
Definition: audio_convert.c:194
FFABS
#define FFABS(a)
Absolute value, Note, INT_MIN / INT64_MIN result in undefined behavior as they are not representable ...
Definition: common.h:72
rgbConvFn
void(* rgbConvFn)(const uint8_t *, uint8_t *, int)
Definition: swscale_unscaled.c:1258
AV_PIX_FMT_BGR24
packed RGB 8:8:8, 24bpp, BGRBGR...
Definition: pixfmt.h:65
rgb12to15
void rgb12to15(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:200
rgb64tobgr48_bswap
void rgb64tobgr48_bswap(const uint8_t *src, uint8_t *dst, int src_size)
AV_PIX_FMT_P010LE
like NV12, with 10bpp per component, data in the high bits, zeros in the low bits, little-endian
Definition: pixfmt.h:298
swscale_internal.h
AV_PIX_FMT_BAYER_BGGR16
#define AV_PIX_FMT_BAYER_BGGR16
Definition: pixfmt.h:375
AV_PIX_FMT_YUV444P9
#define AV_PIX_FMT_YUV444P9
Definition: pixfmt.h:350
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:159
AV_PIX_FMT_GBRP14
#define AV_PIX_FMT_GBRP14
Definition: pixfmt.h:369
ff_get_unscaled_swscale_aarch64
void ff_get_unscaled_swscale_aarch64(SwsContext *c)
Definition: swscale_unscaled.c:127
gray8aToPacked32_1
static void gray8aToPacked32_1(const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette)
Definition: swscale_unscaled.c:409
comp
static void comp(unsigned char *dst, ptrdiff_t dst_stride, unsigned char *src, ptrdiff_t src_stride, int add)
Definition: eamad.c:83
AV_PIX_FMT_GBRAP12LE
planar GBR 4:4:4:4 48bpp, little-endian
Definition: pixfmt.h:302
AV_PIX_FMT_YUV420P16
#define AV_PIX_FMT_YUV420P16
Definition: pixfmt.h:362
AV_PIX_FMT_BGR555
#define AV_PIX_FMT_BGR555
Definition: pixfmt.h:344
AV_PIX_FMT_BAYER_GBRG16
#define AV_PIX_FMT_BAYER_GBRG16
Definition: pixfmt.h:377
AV_PIX_FMT_BGR32
#define AV_PIX_FMT_BGR32
Definition: pixfmt.h:328
isBE
static av_always_inline int isBE(enum AVPixelFormat pix_fmt)
Definition: swscale_internal.h:662
rgb15to32
void(* rgb15to32)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:52
AV_PIX_FMT_YUV420P14
#define AV_PIX_FMT_YUV420P14
Definition: pixfmt.h:359
rgb15to16
void(* rgb15to16)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:51
rgbToRgbWrapper
static int rgbToRgbWrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[])
Definition: swscale_unscaled.c:1365
isPlanar
static av_always_inline int isPlanar(enum AVPixelFormat pix_fmt)
Definition: swscale_internal.h:778
AVPixFmtDescriptor
Descriptor that unambiguously describes how the bits of a pixel are stored in the up to 4 data planes...
Definition: pixdesc.h:81
planar8ToP01xleWrapper
static int planar8ToP01xleWrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dstParam8[], int dstStride[])
Definition: swscale_unscaled.c:249
IS_DIFFERENT_ENDIANESS
#define IS_DIFFERENT_ENDIANESS(src_fmt, dst_fmt, pix_fmt)
Definition: swscale_unscaled.c:1670
AV_PIX_FMT_BAYER_RGGB16BE
bayer, RGRG..(odd line), GBGB..(even line), 16-bit samples, big-endian */
Definition: pixfmt.h:281
AV_PIX_FMT_GBRP10BE
planar GBR 4:4:4 30bpp, big-endian
Definition: pixfmt.h:184
AV_PIX_FMT_BAYER_GRBG16BE
bayer, GRGR..(odd line), BGBG..(even line), 16-bit samples, big-endian */
Definition: pixfmt.h:285
AV_PIX_FMT_RGB32
#define AV_PIX_FMT_RGB32
Definition: pixfmt.h:326
AV_PIX_FMT_YUYV422
packed YUV 4:2:2, 16bpp, Y0 Cb Y1 Cr
Definition: pixfmt.h:63
AV_PIX_FMT_GBRP14LE
planar GBR 4:4:4 42bpp, little-endian
Definition: pixfmt.h:271
gbr16ptopacked16
static void gbr16ptopacked16(const uint16_t *src[], int srcStride[], uint8_t *dst, int dstStride, int srcSliceH, int alpha, int swap, int bpp, int width)
Definition: swscale_unscaled.c:699
rgb32to24
void rgb32to24(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:140
rgb32to15
void(* rgb32to15)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:46
AV_PIX_FMT_YUV420P10
#define AV_PIX_FMT_YUV420P10
Definition: pixfmt.h:351
AV_PIX_FMT_YUV410P
planar YUV 4:1:0, 9bpp, (1 Cr & Cb sample per 4x4 Y samples)
Definition: pixfmt.h:68
AV_PIX_FMT_XYZ12
#define AV_PIX_FMT_XYZ12
Definition: pixfmt.h:391
isRGBinInt
static av_always_inline int isRGBinInt(enum AVPixelFormat pix_fmt)
Definition: swscale_internal.h:701
shuffle_bytes_2103
void(* shuffle_bytes_2103)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:55
ff_yuv2rgb_get_func_ptr
SwsFunc ff_yuv2rgb_get_func_ptr(SwsContext *c)
Definition: yuv2rgb.c:670
SWS_ACCURATE_RND
#define SWS_ACCURATE_RND
Definition: swscale.h:83
bswap.h
byte swapping routines
AV_PIX_FMT_YUV440P12
#define AV_PIX_FMT_YUV440P12
Definition: pixfmt.h:357
isPlanarYUV
static av_always_inline int isPlanarYUV(enum AVPixelFormat pix_fmt)
Definition: swscale_internal.h:676
AV_PIX_FMT_GBRP14BE
planar GBR 4:4:4 42bpp, big-endian
Definition: pixfmt.h:270
gray8aToPacked32
static void gray8aToPacked32(const uint8_t *src, uint8_t *dst, int num_pixels, const uint8_t *palette)
Definition: swscale_unscaled.c:401
AV_PIX_FMT_YUV420P9
#define AV_PIX_FMT_YUV420P9
Definition: pixfmt.h:348
rgb24to32
void rgb24to32(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:158
DITHER_COPY
#define DITHER_COPY(dst, dstStride, src, srcStride, bswap, dbswap)
Definition: swscale_unscaled.c:1487
SWS_POINT
#define SWS_POINT
Definition: swscale.h:62
shuffle_bytes_0321
void(* shuffle_bytes_0321)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:54
AV_PIX_FMT_BAYER_BGGR16BE
bayer, BGBG..(odd line), GRGR..(even line), 16-bit samples, big-endian */
Definition: pixfmt.h:279
fillPlane16
static void fillPlane16(uint8_t *plane, int stride, int width, int height, int y, int alpha, int bits, const int big_endian)
Definition: swscale_internal.h:881
Rgb16ToPlanarRgb16Wrapper
static int Rgb16ToPlanarRgb16Wrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[])
Definition: swscale_unscaled.c:639
planarCopyWrapper
static int planarCopyWrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[])
Definition: swscale_unscaled.c:1508
AV_PIX_FMT_BGR565
#define AV_PIX_FMT_BGR565
Definition: pixfmt.h:343
AV_PIX_FMT_AYUV64
#define AV_PIX_FMT_AYUV64
Definition: pixfmt.h:393
rgb24tobgr15
void(* rgb24tobgr15)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:41
AV_PIX_FMT_YUV422P14
#define AV_PIX_FMT_YUV422P14
Definition: pixfmt.h:360
AV_PIX_FMT_GBRP12
#define AV_PIX_FMT_GBRP12
Definition: pixfmt.h:368
AV_PIX_FMT_YUV422P10
#define AV_PIX_FMT_YUV422P10
Definition: pixfmt.h:352
planarRgbToRgbWrapper
static int planarRgbToRgbWrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[])
Definition: swscale_unscaled.c:925
SWS_BITEXACT
#define SWS_BITEXACT
Definition: swscale.h:84
AV_PIX_FMT_YUV444P12
#define AV_PIX_FMT_YUV444P12
Definition: pixfmt.h:358
AV_PIX_FMT_BAYER_RGGB16LE
bayer, RGRG..(odd line), GBGB..(even line), 16-bit samples, little-endian */
Definition: pixfmt.h:280
rgb15tobgr15
void rgb15tobgr15(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:299
ff_get_unscaled_swscale_arm
void ff_get_unscaled_swscale_arm(SwsContext *c)
Definition: swscale_unscaled.c:175
AV_PIX_FMT_BAYER_RGGB16
#define AV_PIX_FMT_BAYER_RGGB16
Definition: pixfmt.h:376
yv12toyuy2
void(* yv12toyuy2)(const uint8_t *ysrc, const uint8_t *usrc, const uint8_t *vsrc, uint8_t *dst, int width, int height, int lumStride, int chromStride, int dstStride)
Height should be a multiple of 2 and width should be a multiple of 16.
Definition: rgb2rgb.c:57
bayer_template.c
SwsContext::dither
SwsDither dither
Definition: swscale_internal.h:627
palette
int palette
Definition: v4l.c:61
int
int
Definition: ffmpeg_filter.c:190
stride
GLint GLenum GLboolean GLsizei stride
Definition: opengl_enc.c:105
nv12ToPlanarWrapper
static int nv12ToPlanarWrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dstParam[], int dstStride[])
Definition: swscale_unscaled.c:180
yvu9ToYv12Wrapper
static int yvu9ToYv12Wrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[])
Definition: swscale_unscaled.c:1443
AV_PIX_FMT_YUV420P
planar YUV 4:2:0, 12bpp, (1 Cr & Cb sample per 2x2 Y samples)
Definition: pixfmt.h:62
AV_PIX_FMT_GBRAP
planar GBRA 4:4:4:4 32bpp
Definition: pixfmt.h:229
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
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:110
yuyvtoyuv420
void(* yuyvtoyuv420)(uint8_t *ydst, uint8_t *udst, uint8_t *vdst, const uint8_t *src, int width, int height, int lumStride, int chromStride, int srcStride)
Definition: rgb2rgb.c:106
rgb24tobgr16
void(* rgb24tobgr16)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:40
AV_PIX_FMT_BGR444
#define AV_PIX_FMT_BGR444
Definition: pixfmt.h:345
AV_WL16
#define AV_WL16(p, v)
Definition: intreadwrite.h:417
SwsContext::srcFormat
enum AVPixelFormat srcFormat
Source pixel format.
Definition: swscale_internal.h:305
AV_PIX_FMT_BAYER_RGGB8
bayer, RGRG..(odd line), GBGB..(even line), 8-bit samples */
Definition: pixfmt.h:275
packedtogbr24p
static void packedtogbr24p(const uint8_t *src, int srcStride, uint8_t *dst[], int dstStride[], int srcSliceH, int alpha_first, int inc_size, int width)
Definition: swscale_unscaled.c:998
AV_PIX_FMT_RGB555
#define AV_PIX_FMT_RGB555
Definition: pixfmt.h:339
rgb48tobgr48_bswap
void rgb48tobgr48_bswap(const uint8_t *src, uint8_t *dst, int src_size)
planarToP010Wrapper
static int planarToP010Wrapper(SwsContext *c, const uint8_t *src8[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dstParam8[], int dstStride[])
Definition: swscale_unscaled.c:201
SWS_DITHER_BAYER
Definition: swscale_internal.h:72
AV_PIX_FMT_FLAG_BE
#define AV_PIX_FMT_FLAG_BE
Pixel format is big-endian.
Definition: pixdesc.h:128
copyPlane
static void copyPlane(const uint8_t *src, int srcStride, int srcSliceY, int srcSliceH, int width, uint8_t *dst, int dstStride)
Definition: swscale_unscaled.c:143
rgb32tobgr24
void(* rgb32tobgr24)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:35
SwsContext::swscale
SwsFunc swscale
Note that src, dst, srcStride, dstStride will be copied in the sws_scale() wrapper so they can be fre...
Definition: swscale_internal.h:294
rgb24to16
void(* rgb24to16)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:47
rgb16tobgr24
void(* rgb16tobgr24)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:42
planarToUyvyWrapper
static int planarToUyvyWrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dstParam[], int dstStride[])
Definition: swscale_unscaled.c:303
rgb32tobgr16
void(* rgb32tobgr16)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:36
AV_PIX_FMT_RGB32_1
#define AV_PIX_FMT_RGB32_1
Definition: pixfmt.h:327
rgb15tobgr32
void rgb15tobgr32(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:253
planarToYuy2Wrapper
static int planarToYuy2Wrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dstParam[], int dstStride[])
Definition: swscale_unscaled.c:291
isBGRinInt
static av_always_inline int isBGRinInt(enum AVPixelFormat pix_fmt)
Definition: swscale_internal.h:723
SwsContext::srcFormatBpp
int srcFormatBpp
Number of bits per pixel of the source pixel format.
Definition: swscale_internal.h:307
rgb64to48_bswap
void rgb64to48_bswap(const uint8_t *src, uint8_t *dst, int src_size)
ff_get_unscaled_swscale_ppc
av_cold void ff_get_unscaled_swscale_ppc(SwsContext *c)
Definition: yuv2yuv_altivec.c:187
packedCopyWrapper
static int packedCopyWrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[])
Definition: swscale_unscaled.c:1460
AV_PIX_FMT_RGB565
#define AV_PIX_FMT_RGB565
Definition: pixfmt.h:338
isPackedRGB
static av_always_inline int isPackedRGB(enum AVPixelFormat pix_fmt)
Definition: swscale_internal.h:785
deinterleaveBytes
void(* deinterleaveBytes)(const uint8_t *src, uint8_t *dst1, uint8_t *dst2, int width, int height, int srcStride, int dst1Stride, int dst2Stride)
Definition: rgb2rgb.c:87
SwsContext::input_rgb2yuv_table
int32_t input_rgb2yuv_table[16+40 *4]
Definition: swscale_internal.h:407
AV_PIX_FMT_GBRP16LE
planar GBR 4:4:4 48bpp, little-endian
Definition: pixfmt.h:187
usePal
static av_always_inline int usePal(enum AVPixelFormat pix_fmt)
Definition: swscale_internal.h:800
av_get_pix_fmt_name
const char * av_get_pix_fmt_name(enum AVPixelFormat pix_fmt)
Return the short name for a pixel format, NULL in case pix_fmt is unknown.
Definition: pixdesc.c:2249
stride
#define stride
isPacked
static av_always_inline int isPacked(enum AVPixelFormat pix_fmt)
Definition: swscale_internal.h:769
ALT32_CORR
#define ALT32_CORR
Definition: swscale_internal.h:52
SwsContext::chrDstHSubSample
int chrDstHSubSample
Binary logarithm of horizontal subsampling factor between luma/alpha and chroma planes in destination...
Definition: swscale_internal.h:311
SwsContext::chrSrcW
int chrSrcW
Width of source chroma planes.
Definition: swscale_internal.h:298
AVComponentDescriptor::depth
int depth
Number of bits in the component.
Definition: pixdesc.h:58
isRGB48
#define isRGB48(x)
Definition: swscale_unscaled.c:1250
AV_PIX_FMT_GBRAP16LE
planar GBRA 4:4:4:4 64bpp, little-endian
Definition: pixfmt.h:231
SwsContext::srcW
int srcW
Width of source luma/alpha planes.
Definition: swscale_internal.h:295
rgb16tobgr15
void rgb16tobgr15(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:243
SwsContext::chrSrcVSubSample
int chrSrcVSubSample
Binary logarithm of vertical subsampling factor between luma/alpha and chroma planes in source image...
Definition: swscale_internal.h:310
SwsContext::flags
int flags
Flags passed by the user to select scaler algorithm, optimizations, subsampling, etc...
Definition: swscale_internal.h:399
bayer_to_rgb24_wrapper
static int bayer_to_rgb24_wrapper(SwsContext *c, const uint8_t *src[], int srcStride[], int srcSliceY, int srcSliceH, uint8_t *dst[], int dstStride[])
Definition: swscale_unscaled.c:1132
AVPixelFormat
AVPixelFormat
Pixel format.
Definition: pixfmt.h:60
AV_PIX_FMT_FLAG_PLANAR
#define AV_PIX_FMT_FLAG_PLANAR
At least one pixel component is not in the first data plane.
Definition: pixdesc.h:144
AV_PIX_FMT_YUV422P16
#define AV_PIX_FMT_YUV422P16
Definition: pixfmt.h:363
rgb24tobgr24
void(* rgb24tobgr24)(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:39
isNBPS
static av_always_inline int isNBPS(enum AVPixelFormat pix_fmt)
Definition: swscale_internal.h:655
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_CEIL_RSHIFT
#define AV_CEIL_RSHIFT(a, b)
Definition: common.h:58
rgb15to24
void rgb15to24(const uint8_t *src, uint8_t *dst, int src_size)
Definition: rgb2rgb.c:275
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