2 * Copyright (C) 2001-2011 Michael Niedermayer <michaelni@gmx.at>
4 * This file is part of FFmpeg.
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.
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.
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
27 #include "swscale_internal.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"
38 DECLARE_ALIGNED(8, static const uint8_t, dithers)[8][8][8]={
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,},
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,},
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,},
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,},
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,},
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,},
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,},
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,},
114 static void fillPlane(uint8_t *plane, int stride, int width, int height, int y,
118 uint8_t *ptr = plane + stride * y;
119 for (i = 0; i < height; i++) {
120 memset(ptr, val, width);
125 static void copyPlane(const uint8_t *src, int srcStride,
126 int srcSliceY, int srcSliceH, int width,
127 uint8_t *dst, int dstStride)
129 dst += dstStride * srcSliceY;
130 if (dstStride == srcStride && srcStride > 0) {
131 memcpy(dst, src, srcSliceH * dstStride);
134 for (i = 0; i < srcSliceH; i++) {
135 memcpy(dst, src, width);
142 static int planarToNv12Wrapper(SwsContext *c, const uint8_t *src[],
143 int srcStride[], int srcSliceY,
144 int srcSliceH, uint8_t *dstParam[],
147 uint8_t *dst = dstParam[1] + dstStride[1] * srcSliceY / 2;
149 copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
150 dstParam[0], dstStride[0]);
152 if (c->dstFormat == AV_PIX_FMT_NV12)
153 interleaveBytes(src[1], src[2], dst, c->chrSrcW, (srcSliceH + 1) / 2,
154 srcStride[1], srcStride[2], dstStride[1]);
156 interleaveBytes(src[2], src[1], dst, c->chrSrcW, (srcSliceH + 1) / 2,
157 srcStride[2], srcStride[1], dstStride[1]);
162 static int nv12ToPlanarWrapper(SwsContext *c, const uint8_t *src[],
163 int srcStride[], int srcSliceY,
164 int srcSliceH, uint8_t *dstParam[],
167 uint8_t *dst1 = dstParam[1] + dstStride[1] * srcSliceY / 2;
168 uint8_t *dst2 = dstParam[2] + dstStride[2] * srcSliceY / 2;
170 copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
171 dstParam[0], dstStride[0]);
173 if (c->srcFormat == AV_PIX_FMT_NV12)
174 deinterleaveBytes(src[1], dst1, dst2, c->chrSrcW, (srcSliceH + 1) / 2,
175 srcStride[1], dstStride[1], dstStride[2]);
177 deinterleaveBytes(src[1], dst2, dst1, c->chrSrcW, (srcSliceH + 1) / 2,
178 srcStride[1], dstStride[2], dstStride[1]);
183 static int planarToNv24Wrapper(SwsContext *c, const uint8_t *src[],
184 int srcStride[], int srcSliceY,
185 int srcSliceH, uint8_t *dstParam[],
188 uint8_t *dst = dstParam[1] + dstStride[1] * srcSliceY;
190 copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
191 dstParam[0], dstStride[0]);
193 if (c->dstFormat == AV_PIX_FMT_NV24)
194 interleaveBytes(src[1], src[2], dst, c->chrSrcW, srcSliceH,
195 srcStride[1], srcStride[2], dstStride[1]);
197 interleaveBytes(src[2], src[1], dst, c->chrSrcW, srcSliceH,
198 srcStride[2], srcStride[1], dstStride[1]);
203 static int nv24ToPlanarWrapper(SwsContext *c, const uint8_t *src[],
204 int srcStride[], int srcSliceY,
205 int srcSliceH, uint8_t *dstParam[],
208 uint8_t *dst1 = dstParam[1] + dstStride[1] * srcSliceY;
209 uint8_t *dst2 = dstParam[2] + dstStride[2] * srcSliceY;
211 copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
212 dstParam[0], dstStride[0]);
214 if (c->srcFormat == AV_PIX_FMT_NV24)
215 deinterleaveBytes(src[1], dst1, dst2, c->chrSrcW, srcSliceH,
216 srcStride[1], dstStride[1], dstStride[2]);
218 deinterleaveBytes(src[1], dst2, dst1, c->chrSrcW, srcSliceH,
219 srcStride[1], dstStride[2], dstStride[1]);
224 static int planarToP01xWrapper(SwsContext *c, const uint8_t *src8[],
225 int srcStride[], int srcSliceY,
226 int srcSliceH, uint8_t *dstParam8[],
229 const AVPixFmtDescriptor *src_format = av_pix_fmt_desc_get(c->srcFormat);
230 const AVPixFmtDescriptor *dst_format = av_pix_fmt_desc_get(c->dstFormat);
231 const uint16_t **src = (const uint16_t**)src8;
232 uint16_t *dstY = (uint16_t*)(dstParam8[0] + dstStride[0] * srcSliceY);
233 uint16_t *dstUV = (uint16_t*)(dstParam8[1] + dstStride[1] * srcSliceY / 2);
236 /* Calculate net shift required for values. */
237 const int shift[3] = {
238 dst_format->comp[0].depth + dst_format->comp[0].shift -
239 src_format->comp[0].depth - src_format->comp[0].shift,
240 dst_format->comp[1].depth + dst_format->comp[1].shift -
241 src_format->comp[1].depth - src_format->comp[1].shift,
242 dst_format->comp[2].depth + dst_format->comp[2].shift -
243 src_format->comp[2].depth - src_format->comp[2].shift,
246 av_assert0(!(srcStride[0] % 2 || srcStride[1] % 2 || srcStride[2] % 2 ||
247 dstStride[0] % 2 || dstStride[1] % 2));
249 for (y = 0; y < srcSliceH; y++) {
250 uint16_t *tdstY = dstY;
251 const uint16_t *tsrc0 = src[0];
252 for (x = c->srcW; x > 0; x--) {
253 *tdstY++ = *tsrc0++ << shift[0];
255 src[0] += srcStride[0] / 2;
256 dstY += dstStride[0] / 2;
259 uint16_t *tdstUV = dstUV;
260 const uint16_t *tsrc1 = src[1];
261 const uint16_t *tsrc2 = src[2];
262 for (x = c->srcW / 2; x > 0; x--) {
263 *tdstUV++ = *tsrc1++ << shift[1];
264 *tdstUV++ = *tsrc2++ << shift[2];
266 src[1] += srcStride[1] / 2;
267 src[2] += srcStride[2] / 2;
268 dstUV += dstStride[1] / 2;
275 #if AV_HAVE_BIGENDIAN
276 #define output_pixel(p, v) do { \
277 uint16_t *pp = (p); \
281 #define output_pixel(p, v) (*p) = (v)
284 static int planar8ToP01xleWrapper(SwsContext *c, const uint8_t *src[],
285 int srcStride[], int srcSliceY,
286 int srcSliceH, uint8_t *dstParam8[],
289 uint16_t *dstY = (uint16_t*)(dstParam8[0] + dstStride[0] * srcSliceY);
290 uint16_t *dstUV = (uint16_t*)(dstParam8[1] + dstStride[1] * srcSliceY / 2);
293 av_assert0(!(dstStride[0] % 2 || dstStride[1] % 2));
295 for (y = 0; y < srcSliceH; y++) {
296 uint16_t *tdstY = dstY;
297 const uint8_t *tsrc0 = src[0];
298 for (x = c->srcW; x > 0; x--) {
300 output_pixel(tdstY++, t | (t << 8));
302 src[0] += srcStride[0];
303 dstY += dstStride[0] / 2;
306 uint16_t *tdstUV = dstUV;
307 const uint8_t *tsrc1 = src[1];
308 const uint8_t *tsrc2 = src[2];
309 for (x = c->srcW / 2; x > 0; x--) {
311 output_pixel(tdstUV++, t | (t << 8));
313 output_pixel(tdstUV++, t | (t << 8));
315 src[1] += srcStride[1];
316 src[2] += srcStride[2];
317 dstUV += dstStride[1] / 2;
326 static int planarToYuy2Wrapper(SwsContext *c, const uint8_t *src[],
327 int srcStride[], int srcSliceY, int srcSliceH,
328 uint8_t *dstParam[], int dstStride[])
330 uint8_t *dst = dstParam[0] + dstStride[0] * srcSliceY;
332 yv12toyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0],
333 srcStride[1], dstStride[0]);
338 static int planarToUyvyWrapper(SwsContext *c, const uint8_t *src[],
339 int srcStride[], int srcSliceY, int srcSliceH,
340 uint8_t *dstParam[], int dstStride[])
342 uint8_t *dst = dstParam[0] + dstStride[0] * srcSliceY;
344 yv12touyvy(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0],
345 srcStride[1], dstStride[0]);
350 static int yuv422pToYuy2Wrapper(SwsContext *c, const uint8_t *src[],
351 int srcStride[], int srcSliceY, int srcSliceH,
352 uint8_t *dstParam[], int dstStride[])
354 uint8_t *dst = dstParam[0] + dstStride[0] * srcSliceY;
356 yuv422ptoyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0],
357 srcStride[1], dstStride[0]);
362 static int yuv422pToUyvyWrapper(SwsContext *c, const uint8_t *src[],
363 int srcStride[], int srcSliceY, int srcSliceH,
364 uint8_t *dstParam[], int dstStride[])
366 uint8_t *dst = dstParam[0] + dstStride[0] * srcSliceY;
368 yuv422ptouyvy(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0],
369 srcStride[1], dstStride[0]);
374 static int yuyvToYuv420Wrapper(SwsContext *c, const uint8_t *src[],
375 int srcStride[], int srcSliceY, int srcSliceH,
376 uint8_t *dstParam[], int dstStride[])
378 uint8_t *ydst = dstParam[0] + dstStride[0] * srcSliceY;
379 uint8_t *udst = dstParam[1] + dstStride[1] * srcSliceY / 2;
380 uint8_t *vdst = dstParam[2] + dstStride[2] * srcSliceY / 2;
382 yuyvtoyuv420(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0],
383 dstStride[1], srcStride[0]);
386 fillPlane(dstParam[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
391 static int yuyvToYuv422Wrapper(SwsContext *c, const uint8_t *src[],
392 int srcStride[], int srcSliceY, int srcSliceH,
393 uint8_t *dstParam[], int dstStride[])
395 uint8_t *ydst = dstParam[0] + dstStride[0] * srcSliceY;
396 uint8_t *udst = dstParam[1] + dstStride[1] * srcSliceY;
397 uint8_t *vdst = dstParam[2] + dstStride[2] * srcSliceY;
399 yuyvtoyuv422(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0],
400 dstStride[1], srcStride[0]);
405 static int uyvyToYuv420Wrapper(SwsContext *c, const uint8_t *src[],
406 int srcStride[], int srcSliceY, int srcSliceH,
407 uint8_t *dstParam[], int dstStride[])
409 uint8_t *ydst = dstParam[0] + dstStride[0] * srcSliceY;
410 uint8_t *udst = dstParam[1] + dstStride[1] * srcSliceY / 2;
411 uint8_t *vdst = dstParam[2] + dstStride[2] * srcSliceY / 2;
413 uyvytoyuv420(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0],
414 dstStride[1], srcStride[0]);
417 fillPlane(dstParam[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
422 static int uyvyToYuv422Wrapper(SwsContext *c, const uint8_t *src[],
423 int srcStride[], int srcSliceY, int srcSliceH,
424 uint8_t *dstParam[], int dstStride[])
426 uint8_t *ydst = dstParam[0] + dstStride[0] * srcSliceY;
427 uint8_t *udst = dstParam[1] + dstStride[1] * srcSliceY;
428 uint8_t *vdst = dstParam[2] + dstStride[2] * srcSliceY;
430 uyvytoyuv422(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0],
431 dstStride[1], srcStride[0]);
436 static void gray8aToPacked32(const uint8_t *src, uint8_t *dst, int num_pixels,
437 const uint8_t *palette)
440 for (i = 0; i < num_pixels; i++)
441 ((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i << 1]] | (src[(i << 1) + 1] << 24);
444 static void gray8aToPacked32_1(const uint8_t *src, uint8_t *dst, int num_pixels,
445 const uint8_t *palette)
449 for (i = 0; i < num_pixels; i++)
450 ((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i << 1]] | src[(i << 1) + 1];
453 static void gray8aToPacked24(const uint8_t *src, uint8_t *dst, int num_pixels,
454 const uint8_t *palette)
458 for (i = 0; i < num_pixels; i++) {
460 dst[0] = palette[src[i << 1] * 4 + 0];
461 dst[1] = palette[src[i << 1] * 4 + 1];
462 dst[2] = palette[src[i << 1] * 4 + 2];
467 static int bswap_16bpc(SwsContext *c, const uint8_t *src[],
468 int srcStride[], int srcSliceY, int srcSliceH,
469 uint8_t *dst[], int dstStride[])
473 for (p = 0; p < 4; p++) {
474 int srcstr = srcStride[p] / 2;
475 int dststr = dstStride[p] / 2;
476 uint16_t *dstPtr = (uint16_t *) dst[p];
477 const uint16_t *srcPtr = (const uint16_t *) src[p];
478 int min_stride = FFMIN(FFABS(srcstr), FFABS(dststr));
479 if(!dstPtr || !srcPtr)
481 dstPtr += (srcSliceY >> c->chrDstVSubSample) * dststr;
482 for (i = 0; i < (srcSliceH >> c->chrDstVSubSample); i++) {
483 for (j = 0; j < min_stride; j++) {
484 dstPtr[j] = av_bswap16(srcPtr[j]);
494 static int bswap_32bpc(SwsContext *c, const uint8_t *src[],
495 int srcStride[], int srcSliceY, int srcSliceH,
496 uint8_t *dst[], int dstStride[])
500 for (p = 0; p < 4; p++) {
501 int srcstr = srcStride[p] / 4;
502 int dststr = dstStride[p] / 4;
503 uint32_t *dstPtr = (uint32_t *) dst[p];
504 const uint32_t *srcPtr = (const uint32_t *) src[p];
505 int min_stride = FFMIN(FFABS(srcstr), FFABS(dststr));
506 if(!dstPtr || !srcPtr)
508 dstPtr += (srcSliceY >> c->chrDstVSubSample) * dststr;
509 for (i = 0; i < (srcSliceH >> c->chrDstVSubSample); i++) {
510 for (j = 0; j < min_stride; j++) {
511 dstPtr[j] = av_bswap32(srcPtr[j]);
522 static int palToRgbWrapper(SwsContext *c, const uint8_t *src[], int srcStride[],
523 int srcSliceY, int srcSliceH, uint8_t *dst[],
526 const enum AVPixelFormat srcFormat = c->srcFormat;
527 const enum AVPixelFormat dstFormat = c->dstFormat;
528 void (*conv)(const uint8_t *src, uint8_t *dst, int num_pixels,
529 const uint8_t *palette) = NULL;
531 uint8_t *dstPtr = dst[0] + dstStride[0] * srcSliceY;
532 const uint8_t *srcPtr = src[0];
534 if (srcFormat == AV_PIX_FMT_YA8) {
536 case AV_PIX_FMT_RGB32 : conv = gray8aToPacked32; break;
537 case AV_PIX_FMT_BGR32 : conv = gray8aToPacked32; break;
538 case AV_PIX_FMT_BGR32_1: conv = gray8aToPacked32_1; break;
539 case AV_PIX_FMT_RGB32_1: conv = gray8aToPacked32_1; break;
540 case AV_PIX_FMT_RGB24 : conv = gray8aToPacked24; break;
541 case AV_PIX_FMT_BGR24 : conv = gray8aToPacked24; break;
543 } else if (usePal(srcFormat)) {
545 case AV_PIX_FMT_RGB32 : conv = sws_convertPalette8ToPacked32; break;
546 case AV_PIX_FMT_BGR32 : conv = sws_convertPalette8ToPacked32; break;
547 case AV_PIX_FMT_BGR32_1: conv = sws_convertPalette8ToPacked32; break;
548 case AV_PIX_FMT_RGB32_1: conv = sws_convertPalette8ToPacked32; break;
549 case AV_PIX_FMT_RGB24 : conv = sws_convertPalette8ToPacked24; break;
550 case AV_PIX_FMT_BGR24 : conv = sws_convertPalette8ToPacked24; break;
555 av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
556 av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat));
558 for (i = 0; i < srcSliceH; i++) {
559 conv(srcPtr, dstPtr, c->srcW, (uint8_t *) c->pal_rgb);
560 srcPtr += srcStride[0];
561 dstPtr += dstStride[0];
568 static void packed16togbra16(const uint8_t *src, int srcStride,
569 uint16_t *dst[], int dstStride[], int srcSliceH,
570 int src_alpha, int swap, int shift, int width)
573 int dst_alpha = dst[3] != NULL;
574 for (h = 0; h < srcSliceH; h++) {
575 uint16_t *src_line = (uint16_t *)(src + srcStride * h);
578 if (src_alpha && dst_alpha) {
579 for (x = 0; x < width; x++) {
580 dst[0][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
581 dst[1][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
582 dst[2][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
583 dst[3][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
585 } else if (dst_alpha) {
586 for (x = 0; x < width; x++) {
587 dst[0][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
588 dst[1][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
589 dst[2][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
592 } else if (src_alpha) {
593 for (x = 0; x < width; x++) {
594 dst[0][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
595 dst[1][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
596 dst[2][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
600 for (x = 0; x < width; x++) {
601 dst[0][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
602 dst[1][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
603 dst[2][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
608 if (src_alpha && dst_alpha) {
609 for (x = 0; x < width; x++) {
610 dst[0][x] = av_bswap16(*src_line++ >> shift);
611 dst[1][x] = av_bswap16(*src_line++ >> shift);
612 dst[2][x] = av_bswap16(*src_line++ >> shift);
613 dst[3][x] = av_bswap16(*src_line++ >> shift);
615 } else if (dst_alpha) {
616 for (x = 0; x < width; x++) {
617 dst[0][x] = av_bswap16(*src_line++ >> shift);
618 dst[1][x] = av_bswap16(*src_line++ >> shift);
619 dst[2][x] = av_bswap16(*src_line++ >> shift);
622 } else if (src_alpha) {
623 for (x = 0; x < width; x++) {
624 dst[0][x] = av_bswap16(*src_line++ >> shift);
625 dst[1][x] = av_bswap16(*src_line++ >> shift);
626 dst[2][x] = av_bswap16(*src_line++ >> shift);
630 for (x = 0; x < width; x++) {
631 dst[0][x] = av_bswap16(*src_line++ >> shift);
632 dst[1][x] = av_bswap16(*src_line++ >> shift);
633 dst[2][x] = av_bswap16(*src_line++ >> shift);
638 if (src_alpha && dst_alpha) {
639 for (x = 0; x < width; x++) {
640 dst[0][x] = av_bswap16(*src_line++) >> shift;
641 dst[1][x] = av_bswap16(*src_line++) >> shift;
642 dst[2][x] = av_bswap16(*src_line++) >> shift;
643 dst[3][x] = av_bswap16(*src_line++) >> shift;
645 } else if (dst_alpha) {
646 for (x = 0; x < width; x++) {
647 dst[0][x] = av_bswap16(*src_line++) >> shift;
648 dst[1][x] = av_bswap16(*src_line++) >> shift;
649 dst[2][x] = av_bswap16(*src_line++) >> shift;
652 } else if (src_alpha) {
653 for (x = 0; x < width; x++) {
654 dst[0][x] = av_bswap16(*src_line++) >> shift;
655 dst[1][x] = av_bswap16(*src_line++) >> shift;
656 dst[2][x] = av_bswap16(*src_line++) >> shift;
660 for (x = 0; x < width; x++) {
661 dst[0][x] = av_bswap16(*src_line++) >> shift;
662 dst[1][x] = av_bswap16(*src_line++) >> shift;
663 dst[2][x] = av_bswap16(*src_line++) >> shift;
668 if (src_alpha && dst_alpha) {
669 for (x = 0; x < width; x++) {
670 dst[0][x] = *src_line++ >> shift;
671 dst[1][x] = *src_line++ >> shift;
672 dst[2][x] = *src_line++ >> shift;
673 dst[3][x] = *src_line++ >> shift;
675 } else if (dst_alpha) {
676 for (x = 0; x < width; x++) {
677 dst[0][x] = *src_line++ >> shift;
678 dst[1][x] = *src_line++ >> shift;
679 dst[2][x] = *src_line++ >> shift;
682 } else if (src_alpha) {
683 for (x = 0; x < width; x++) {
684 dst[0][x] = *src_line++ >> shift;
685 dst[1][x] = *src_line++ >> shift;
686 dst[2][x] = *src_line++ >> shift;
690 for (x = 0; x < width; x++) {
691 dst[0][x] = *src_line++ >> shift;
692 dst[1][x] = *src_line++ >> shift;
693 dst[2][x] = *src_line++ >> shift;
697 for (i = 0; i < 4; i++)
698 dst[i] += dstStride[i] >> 1;
702 static int Rgb16ToPlanarRgb16Wrapper(SwsContext *c, const uint8_t *src[],
703 int srcStride[], int srcSliceY, int srcSliceH,
704 uint8_t *dst[], int dstStride[])
706 uint16_t *dst2013[] = { (uint16_t *)dst[2], (uint16_t *)dst[0], (uint16_t *)dst[1], (uint16_t *)dst[3] };
707 uint16_t *dst1023[] = { (uint16_t *)dst[1], (uint16_t *)dst[0], (uint16_t *)dst[2], (uint16_t *)dst[3] };
708 int stride2013[] = { dstStride[2], dstStride[0], dstStride[1], dstStride[3] };
709 int stride1023[] = { dstStride[1], dstStride[0], dstStride[2], dstStride[3] };
710 const AVPixFmtDescriptor *src_format = av_pix_fmt_desc_get(c->srcFormat);
711 const AVPixFmtDescriptor *dst_format = av_pix_fmt_desc_get(c->dstFormat);
712 int bpc = dst_format->comp[0].depth;
713 int alpha = src_format->flags & AV_PIX_FMT_FLAG_ALPHA;
717 if ( HAVE_BIGENDIAN && !(src_format->flags & AV_PIX_FMT_FLAG_BE) ||
718 !HAVE_BIGENDIAN && src_format->flags & AV_PIX_FMT_FLAG_BE)
720 if ( HAVE_BIGENDIAN && !(dst_format->flags & AV_PIX_FMT_FLAG_BE) ||
721 !HAVE_BIGENDIAN && dst_format->flags & AV_PIX_FMT_FLAG_BE)
724 if ((dst_format->flags & (AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB)) !=
725 (AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB) || bpc < 9) {
726 av_log(c, AV_LOG_ERROR, "unsupported conversion to planar RGB %s -> %s\n",
727 src_format->name, dst_format->name);
732 dst2013[i] += stride2013[i] * srcSliceY / 2;
733 dst1023[i] += stride1023[i] * srcSliceY / 2;
736 switch (c->srcFormat) {
737 case AV_PIX_FMT_RGB48LE:
738 case AV_PIX_FMT_RGB48BE:
739 case AV_PIX_FMT_RGBA64LE:
740 case AV_PIX_FMT_RGBA64BE:
741 packed16togbra16(src[0], srcStride[0],
742 dst2013, stride2013, srcSliceH, alpha, swap,
745 case AV_PIX_FMT_BGR48LE:
746 case AV_PIX_FMT_BGR48BE:
747 case AV_PIX_FMT_BGRA64LE:
748 case AV_PIX_FMT_BGRA64BE:
749 packed16togbra16(src[0], srcStride[0],
750 dst1023, stride1023, srcSliceH, alpha, swap,
754 av_log(c, AV_LOG_ERROR,
755 "unsupported conversion to planar RGB %s -> %s\n",
756 src_format->name, dst_format->name);
762 static void gbr16ptopacked16(const uint16_t *src[], int srcStride[],
763 uint8_t *dst, int dstStride, int srcSliceH,
764 int alpha, int swap, int bpp, int width)
767 int src_alpha = src[3] != NULL;
768 int scale_high = 16 - bpp, scale_low = (bpp - 8) * 2;
769 for (h = 0; h < srcSliceH; h++) {
770 uint16_t *dest = (uint16_t *)(dst + dstStride * h);
775 if (alpha && !src_alpha) {
776 for (x = 0; x < width; x++) {
777 component = av_bswap16(src[0][x]);
778 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
779 component = av_bswap16(src[1][x]);
780 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
781 component = av_bswap16(src[2][x]);
782 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
785 } else if (alpha && src_alpha) {
786 for (x = 0; x < width; x++) {
787 component = av_bswap16(src[0][x]);
788 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
789 component = av_bswap16(src[1][x]);
790 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
791 component = av_bswap16(src[2][x]);
792 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
793 component = av_bswap16(src[3][x]);
794 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
797 for (x = 0; x < width; x++) {
798 component = av_bswap16(src[0][x]);
799 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
800 component = av_bswap16(src[1][x]);
801 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
802 component = av_bswap16(src[2][x]);
803 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
808 if (alpha && !src_alpha) {
809 for (x = 0; x < width; x++) {
810 *dest++ = av_bswap16(src[0][x] << scale_high | src[0][x] >> scale_low);
811 *dest++ = av_bswap16(src[1][x] << scale_high | src[1][x] >> scale_low);
812 *dest++ = av_bswap16(src[2][x] << scale_high | src[2][x] >> scale_low);
815 } else if (alpha && src_alpha) {
816 for (x = 0; x < width; x++) {
817 *dest++ = av_bswap16(src[0][x] << scale_high | src[0][x] >> scale_low);
818 *dest++ = av_bswap16(src[1][x] << scale_high | src[1][x] >> scale_low);
819 *dest++ = av_bswap16(src[2][x] << scale_high | src[2][x] >> scale_low);
820 *dest++ = av_bswap16(src[3][x] << scale_high | src[3][x] >> scale_low);
823 for (x = 0; x < width; x++) {
824 *dest++ = av_bswap16(src[0][x] << scale_high | src[0][x] >> scale_low);
825 *dest++ = av_bswap16(src[1][x] << scale_high | src[1][x] >> scale_low);
826 *dest++ = av_bswap16(src[2][x] << scale_high | src[2][x] >> scale_low);
831 if (alpha && !src_alpha) {
832 for (x = 0; x < width; x++) {
833 *dest++ = av_bswap16(src[0][x]) << scale_high | av_bswap16(src[0][x]) >> scale_low;
834 *dest++ = av_bswap16(src[1][x]) << scale_high | av_bswap16(src[1][x]) >> scale_low;
835 *dest++ = av_bswap16(src[2][x]) << scale_high | av_bswap16(src[2][x]) >> scale_low;
838 } else if (alpha && src_alpha) {
839 for (x = 0; x < width; x++) {
840 *dest++ = av_bswap16(src[0][x]) << scale_high | av_bswap16(src[0][x]) >> scale_low;
841 *dest++ = av_bswap16(src[1][x]) << scale_high | av_bswap16(src[1][x]) >> scale_low;
842 *dest++ = av_bswap16(src[2][x]) << scale_high | av_bswap16(src[2][x]) >> scale_low;
843 *dest++ = av_bswap16(src[3][x]) << scale_high | av_bswap16(src[3][x]) >> scale_low;
846 for (x = 0; x < width; x++) {
847 *dest++ = av_bswap16(src[0][x]) << scale_high | av_bswap16(src[0][x]) >> scale_low;
848 *dest++ = av_bswap16(src[1][x]) << scale_high | av_bswap16(src[1][x]) >> scale_low;
849 *dest++ = av_bswap16(src[2][x]) << scale_high | av_bswap16(src[2][x]) >> scale_low;
854 if (alpha && !src_alpha) {
855 for (x = 0; x < width; x++) {
856 *dest++ = src[0][x] << scale_high | src[0][x] >> scale_low;
857 *dest++ = src[1][x] << scale_high | src[1][x] >> scale_low;
858 *dest++ = src[2][x] << scale_high | src[2][x] >> scale_low;
861 } else if (alpha && src_alpha) {
862 for (x = 0; x < width; x++) {
863 *dest++ = src[0][x] << scale_high | src[0][x] >> scale_low;
864 *dest++ = src[1][x] << scale_high | src[1][x] >> scale_low;
865 *dest++ = src[2][x] << scale_high | src[2][x] >> scale_low;
866 *dest++ = src[3][x] << scale_high | src[3][x] >> scale_low;
869 for (x = 0; x < width; x++) {
870 *dest++ = src[0][x] << scale_high | src[0][x] >> scale_low;
871 *dest++ = src[1][x] << scale_high | src[1][x] >> scale_low;
872 *dest++ = src[2][x] << scale_high | src[2][x] >> scale_low;
876 for (i = 0; i < 3 + src_alpha; i++)
877 src[i] += srcStride[i] >> 1;
881 static int planarRgb16ToRgb16Wrapper(SwsContext *c, const uint8_t *src[],
882 int srcStride[], int srcSliceY, int srcSliceH,
883 uint8_t *dst[], int dstStride[])
885 const uint16_t *src102[] = { (uint16_t *)src[1], (uint16_t *)src[0], (uint16_t *)src[2], (uint16_t *)src[3] };
886 const uint16_t *src201[] = { (uint16_t *)src[2], (uint16_t *)src[0], (uint16_t *)src[1], (uint16_t *)src[3] };
887 int stride102[] = { srcStride[1], srcStride[0], srcStride[2], srcStride[3] };
888 int stride201[] = { srcStride[2], srcStride[0], srcStride[1], srcStride[3] };
889 const AVPixFmtDescriptor *src_format = av_pix_fmt_desc_get(c->srcFormat);
890 const AVPixFmtDescriptor *dst_format = av_pix_fmt_desc_get(c->dstFormat);
891 int bits_per_sample = src_format->comp[0].depth;
893 if ( HAVE_BIGENDIAN && !(src_format->flags & AV_PIX_FMT_FLAG_BE) ||
894 !HAVE_BIGENDIAN && src_format->flags & AV_PIX_FMT_FLAG_BE)
896 if ( HAVE_BIGENDIAN && !(dst_format->flags & AV_PIX_FMT_FLAG_BE) ||
897 !HAVE_BIGENDIAN && dst_format->flags & AV_PIX_FMT_FLAG_BE)
900 if ((src_format->flags & (AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB)) !=
901 (AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB) ||
902 bits_per_sample <= 8) {
903 av_log(c, AV_LOG_ERROR, "unsupported planar RGB conversion %s -> %s\n",
904 src_format->name, dst_format->name);
907 switch (c->dstFormat) {
908 case AV_PIX_FMT_BGR48LE:
909 case AV_PIX_FMT_BGR48BE:
910 gbr16ptopacked16(src102, stride102,
911 dst[0] + srcSliceY * dstStride[0], dstStride[0],
912 srcSliceH, 0, swap, bits_per_sample, c->srcW);
914 case AV_PIX_FMT_RGB48LE:
915 case AV_PIX_FMT_RGB48BE:
916 gbr16ptopacked16(src201, stride201,
917 dst[0] + srcSliceY * dstStride[0], dstStride[0],
918 srcSliceH, 0, swap, bits_per_sample, c->srcW);
920 case AV_PIX_FMT_RGBA64LE:
921 case AV_PIX_FMT_RGBA64BE:
922 gbr16ptopacked16(src201, stride201,
923 dst[0] + srcSliceY * dstStride[0], dstStride[0],
924 srcSliceH, 1, swap, bits_per_sample, c->srcW);
926 case AV_PIX_FMT_BGRA64LE:
927 case AV_PIX_FMT_BGRA64BE:
928 gbr16ptopacked16(src102, stride102,
929 dst[0] + srcSliceY * dstStride[0], dstStride[0],
930 srcSliceH, 1, swap, bits_per_sample, c->srcW);
933 av_log(c, AV_LOG_ERROR,
934 "unsupported planar RGB conversion %s -> %s\n",
935 src_format->name, dst_format->name);
941 static void gbr24ptopacked24(const uint8_t *src[], int srcStride[],
942 uint8_t *dst, int dstStride, int srcSliceH,
946 for (h = 0; h < srcSliceH; h++) {
947 uint8_t *dest = dst + dstStride * h;
948 for (x = 0; x < width; x++) {
954 for (i = 0; i < 3; i++)
955 src[i] += srcStride[i];
959 static void gbr24ptopacked32(const uint8_t *src[], int srcStride[],
960 uint8_t *dst, int dstStride, int srcSliceH,
961 int alpha_first, int width)
964 for (h = 0; h < srcSliceH; h++) {
965 uint8_t *dest = dst + dstStride * h;
968 for (x = 0; x < width; x++) {
975 for (x = 0; x < width; x++) {
983 for (i = 0; i < 3; i++)
984 src[i] += srcStride[i];
988 static void gbraptopacked32(const uint8_t *src[], int srcStride[],
989 uint8_t *dst, int dstStride, int srcSliceH,
990 int alpha_first, int width)
993 for (h = 0; h < srcSliceH; h++) {
994 uint8_t *dest = dst + dstStride * h;
997 for (x = 0; x < width; x++) {
1000 *dest++ = src[1][x];
1001 *dest++ = src[2][x];
1004 for (x = 0; x < width; x++) {
1005 *dest++ = src[0][x];
1006 *dest++ = src[1][x];
1007 *dest++ = src[2][x];
1008 *dest++ = src[3][x];
1012 for (i = 0; i < 4; i++)
1013 src[i] += srcStride[i];
1017 static int planarRgbaToRgbWrapper(SwsContext *c, const uint8_t *src[],
1018 int srcStride[], int srcSliceY, int srcSliceH,
1019 uint8_t *dst[], int dstStride[])
1021 int alpha_first = 0;
1022 const uint8_t *src102[] = { src[1], src[0], src[2], src[3] };
1023 const uint8_t *src201[] = { src[2], src[0], src[1], src[3] };
1024 int stride102[] = { srcStride[1], srcStride[0], srcStride[2], srcStride[3] };
1025 int stride201[] = { srcStride[2], srcStride[0], srcStride[1], srcStride[3] };
1027 if (c->srcFormat != AV_PIX_FMT_GBRAP) {
1028 av_log(c, AV_LOG_ERROR, "unsupported planar RGB conversion %s -> %s\n",
1029 av_get_pix_fmt_name(c->srcFormat),
1030 av_get_pix_fmt_name(c->dstFormat));
1034 switch (c->dstFormat) {
1035 case AV_PIX_FMT_BGR24:
1036 gbr24ptopacked24(src102, stride102,
1037 dst[0] + srcSliceY * dstStride[0], dstStride[0],
1038 srcSliceH, c->srcW);
1041 case AV_PIX_FMT_RGB24:
1042 gbr24ptopacked24(src201, stride201,
1043 dst[0] + srcSliceY * dstStride[0], dstStride[0],
1044 srcSliceH, c->srcW);
1047 case AV_PIX_FMT_ARGB:
1049 case AV_PIX_FMT_RGBA:
1050 gbraptopacked32(src201, stride201,
1051 dst[0] + srcSliceY * dstStride[0], dstStride[0],
1052 srcSliceH, alpha_first, c->srcW);
1055 case AV_PIX_FMT_ABGR:
1057 case AV_PIX_FMT_BGRA:
1058 gbraptopacked32(src102, stride102,
1059 dst[0] + srcSliceY * dstStride[0], dstStride[0],
1060 srcSliceH, alpha_first, c->srcW);
1064 av_log(c, AV_LOG_ERROR,
1065 "unsupported planar RGB conversion %s -> %s\n",
1066 av_get_pix_fmt_name(c->srcFormat),
1067 av_get_pix_fmt_name(c->dstFormat));
1073 static int planarRgbToRgbWrapper(SwsContext *c, const uint8_t *src[],
1074 int srcStride[], int srcSliceY, int srcSliceH,
1075 uint8_t *dst[], int dstStride[])
1077 int alpha_first = 0;
1078 const uint8_t *src102[] = { src[1], src[0], src[2] };
1079 const uint8_t *src201[] = { src[2], src[0], src[1] };
1080 int stride102[] = { srcStride[1], srcStride[0], srcStride[2] };
1081 int stride201[] = { srcStride[2], srcStride[0], srcStride[1] };
1083 if (c->srcFormat != AV_PIX_FMT_GBRP) {
1084 av_log(c, AV_LOG_ERROR, "unsupported planar RGB conversion %s -> %s\n",
1085 av_get_pix_fmt_name(c->srcFormat),
1086 av_get_pix_fmt_name(c->dstFormat));
1090 switch (c->dstFormat) {
1091 case AV_PIX_FMT_BGR24:
1092 gbr24ptopacked24(src102, stride102,
1093 dst[0] + srcSliceY * dstStride[0], dstStride[0],
1094 srcSliceH, c->srcW);
1097 case AV_PIX_FMT_RGB24:
1098 gbr24ptopacked24(src201, stride201,
1099 dst[0] + srcSliceY * dstStride[0], dstStride[0],
1100 srcSliceH, c->srcW);
1103 case AV_PIX_FMT_ARGB:
1105 case AV_PIX_FMT_RGBA:
1106 gbr24ptopacked32(src201, stride201,
1107 dst[0] + srcSliceY * dstStride[0], dstStride[0],
1108 srcSliceH, alpha_first, c->srcW);
1111 case AV_PIX_FMT_ABGR:
1113 case AV_PIX_FMT_BGRA:
1114 gbr24ptopacked32(src102, stride102,
1115 dst[0] + srcSliceY * dstStride[0], dstStride[0],
1116 srcSliceH, alpha_first, c->srcW);
1120 av_log(c, AV_LOG_ERROR,
1121 "unsupported planar RGB conversion %s -> %s\n",
1122 av_get_pix_fmt_name(c->srcFormat),
1123 av_get_pix_fmt_name(c->dstFormat));
1129 static int planarRgbToplanarRgbWrapper(SwsContext *c,
1130 const uint8_t *src[], int srcStride[],
1131 int srcSliceY, int srcSliceH,
1132 uint8_t *dst[], int dstStride[])
1134 copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
1135 dst[0], dstStride[0]);
1136 copyPlane(src[1], srcStride[1], srcSliceY, srcSliceH, c->srcW,
1137 dst[1], dstStride[1]);
1138 copyPlane(src[2], srcStride[2], srcSliceY, srcSliceH, c->srcW,
1139 dst[2], dstStride[2]);
1141 fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
1146 static void packedtogbr24p(const uint8_t *src, int srcStride,
1147 uint8_t *dst[], int dstStride[], int srcSliceH,
1148 int alpha_first, int inc_size, int width)
1160 for (h = 0; h < srcSliceH; h++) {
1161 for (x = 0; x < width; x++) {
1162 dest[0][x] = src[0];
1163 dest[1][x] = src[1];
1164 dest[2][x] = src[2];
1168 src += srcStride - width * inc_size;
1169 dest[0] += dstStride[0];
1170 dest[1] += dstStride[1];
1171 dest[2] += dstStride[2];
1175 static int rgbToPlanarRgbWrapper(SwsContext *c, const uint8_t *src[],
1176 int srcStride[], int srcSliceY, int srcSliceH,
1177 uint8_t *dst[], int dstStride[])
1179 int alpha_first = 0;
1180 int stride102[] = { dstStride[1], dstStride[0], dstStride[2] };
1181 int stride201[] = { dstStride[2], dstStride[0], dstStride[1] };
1182 uint8_t *dst102[] = { dst[1] + srcSliceY * dstStride[1],
1183 dst[0] + srcSliceY * dstStride[0],
1184 dst[2] + srcSliceY * dstStride[2] };
1185 uint8_t *dst201[] = { dst[2] + srcSliceY * dstStride[2],
1186 dst[0] + srcSliceY * dstStride[0],
1187 dst[1] + srcSliceY * dstStride[1] };
1189 switch (c->srcFormat) {
1190 case AV_PIX_FMT_RGB24:
1191 packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst201,
1192 stride201, srcSliceH, alpha_first, 3, c->srcW);
1194 case AV_PIX_FMT_BGR24:
1195 packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst102,
1196 stride102, srcSliceH, alpha_first, 3, c->srcW);
1198 case AV_PIX_FMT_ARGB:
1200 case AV_PIX_FMT_RGBA:
1201 packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst201,
1202 stride201, srcSliceH, alpha_first, 4, c->srcW);
1204 case AV_PIX_FMT_ABGR:
1206 case AV_PIX_FMT_BGRA:
1207 packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst102,
1208 stride102, srcSliceH, alpha_first, 4, c->srcW);
1211 av_log(c, AV_LOG_ERROR,
1212 "unsupported planar RGB conversion %s -> %s\n",
1213 av_get_pix_fmt_name(c->srcFormat),
1214 av_get_pix_fmt_name(c->dstFormat));
1222 #define BAYER_RENAME(x) bayer_gbrg8_to_##x
1223 #include "bayer_template.c"
1227 #define BAYER_RENAME(x) bayer_gbrg16le_to_##x
1228 #include "bayer_template.c"
1232 #define BAYER_RENAME(x) bayer_gbrg16be_to_##x
1233 #include "bayer_template.c"
1237 #define BAYER_RENAME(x) bayer_grbg8_to_##x
1238 #include "bayer_template.c"
1242 #define BAYER_RENAME(x) bayer_grbg16le_to_##x
1243 #include "bayer_template.c"
1247 #define BAYER_RENAME(x) bayer_grbg16be_to_##x
1248 #include "bayer_template.c"
1252 #define BAYER_RENAME(x) bayer_bggr8_to_##x
1253 #include "bayer_template.c"
1257 #define BAYER_RENAME(x) bayer_bggr16le_to_##x
1258 #include "bayer_template.c"
1262 #define BAYER_RENAME(x) bayer_bggr16be_to_##x
1263 #include "bayer_template.c"
1267 #define BAYER_RENAME(x) bayer_rggb8_to_##x
1268 #include "bayer_template.c"
1272 #define BAYER_RENAME(x) bayer_rggb16le_to_##x
1273 #include "bayer_template.c"
1277 #define BAYER_RENAME(x) bayer_rggb16be_to_##x
1278 #include "bayer_template.c"
1280 static int bayer_to_rgb24_wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
1281 int srcSliceH, uint8_t* dst[], int dstStride[])
1283 uint8_t *dstPtr= dst[0] + srcSliceY * dstStride[0];
1284 const uint8_t *srcPtr= src[0];
1286 void (*copy) (const uint8_t *src, int src_stride, uint8_t *dst, int dst_stride, int width);
1287 void (*interpolate)(const uint8_t *src, int src_stride, uint8_t *dst, int dst_stride, int width);
1289 switch(c->srcFormat) {
1290 #define CASE(pixfmt, prefix) \
1291 case pixfmt: copy = bayer_##prefix##_to_rgb24_copy; \
1292 interpolate = bayer_##prefix##_to_rgb24_interpolate; \
1294 CASE(AV_PIX_FMT_BAYER_BGGR8, bggr8)
1295 CASE(AV_PIX_FMT_BAYER_BGGR16LE, bggr16le)
1296 CASE(AV_PIX_FMT_BAYER_BGGR16BE, bggr16be)
1297 CASE(AV_PIX_FMT_BAYER_RGGB8, rggb8)
1298 CASE(AV_PIX_FMT_BAYER_RGGB16LE, rggb16le)
1299 CASE(AV_PIX_FMT_BAYER_RGGB16BE, rggb16be)
1300 CASE(AV_PIX_FMT_BAYER_GBRG8, gbrg8)
1301 CASE(AV_PIX_FMT_BAYER_GBRG16LE, gbrg16le)
1302 CASE(AV_PIX_FMT_BAYER_GBRG16BE, gbrg16be)
1303 CASE(AV_PIX_FMT_BAYER_GRBG8, grbg8)
1304 CASE(AV_PIX_FMT_BAYER_GRBG16LE, grbg16le)
1305 CASE(AV_PIX_FMT_BAYER_GRBG16BE, grbg16be)
1310 av_assert0(srcSliceH > 1);
1312 copy(srcPtr, srcStride[0], dstPtr, dstStride[0], c->srcW);
1313 srcPtr += 2 * srcStride[0];
1314 dstPtr += 2 * dstStride[0];
1316 for (i = 2; i < srcSliceH - 2; i += 2) {
1317 interpolate(srcPtr, srcStride[0], dstPtr, dstStride[0], c->srcW);
1318 srcPtr += 2 * srcStride[0];
1319 dstPtr += 2 * dstStride[0];
1322 if (i + 1 == srcSliceH) {
1323 copy(srcPtr, -srcStride[0], dstPtr, -dstStride[0], c->srcW);
1324 } else if (i < srcSliceH)
1325 copy(srcPtr, srcStride[0], dstPtr, dstStride[0], c->srcW);
1329 static int bayer_to_yv12_wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
1330 int srcSliceH, uint8_t* dst[], int dstStride[])
1332 const uint8_t *srcPtr= src[0];
1333 uint8_t *dstY= dst[0] + srcSliceY * dstStride[0];
1334 uint8_t *dstU= dst[1] + srcSliceY * dstStride[1] / 2;
1335 uint8_t *dstV= dst[2] + srcSliceY * dstStride[2] / 2;
1337 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);
1338 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);
1340 switch(c->srcFormat) {
1341 #define CASE(pixfmt, prefix) \
1342 case pixfmt: copy = bayer_##prefix##_to_yv12_copy; \
1343 interpolate = bayer_##prefix##_to_yv12_interpolate; \
1345 CASE(AV_PIX_FMT_BAYER_BGGR8, bggr8)
1346 CASE(AV_PIX_FMT_BAYER_BGGR16LE, bggr16le)
1347 CASE(AV_PIX_FMT_BAYER_BGGR16BE, bggr16be)
1348 CASE(AV_PIX_FMT_BAYER_RGGB8, rggb8)
1349 CASE(AV_PIX_FMT_BAYER_RGGB16LE, rggb16le)
1350 CASE(AV_PIX_FMT_BAYER_RGGB16BE, rggb16be)
1351 CASE(AV_PIX_FMT_BAYER_GBRG8, gbrg8)
1352 CASE(AV_PIX_FMT_BAYER_GBRG16LE, gbrg16le)
1353 CASE(AV_PIX_FMT_BAYER_GBRG16BE, gbrg16be)
1354 CASE(AV_PIX_FMT_BAYER_GRBG8, grbg8)
1355 CASE(AV_PIX_FMT_BAYER_GRBG16LE, grbg16le)
1356 CASE(AV_PIX_FMT_BAYER_GRBG16BE, grbg16be)
1361 av_assert0(srcSliceH > 1);
1363 copy(srcPtr, srcStride[0], dstY, dstU, dstV, dstStride[0], c->srcW, c->input_rgb2yuv_table);
1364 srcPtr += 2 * srcStride[0];
1365 dstY += 2 * dstStride[0];
1366 dstU += dstStride[1];
1367 dstV += dstStride[1];
1369 for (i = 2; i < srcSliceH - 2; i += 2) {
1370 interpolate(srcPtr, srcStride[0], dstY, dstU, dstV, dstStride[0], c->srcW, c->input_rgb2yuv_table);
1371 srcPtr += 2 * srcStride[0];
1372 dstY += 2 * dstStride[0];
1373 dstU += dstStride[1];
1374 dstV += dstStride[1];
1377 if (i + 1 == srcSliceH) {
1378 copy(srcPtr, -srcStride[0], dstY, dstU, dstV, -dstStride[0], c->srcW, c->input_rgb2yuv_table);
1379 } else if (i < srcSliceH)
1380 copy(srcPtr, srcStride[0], dstY, dstU, dstV, dstStride[0], c->srcW, c->input_rgb2yuv_table);
1384 #define isRGBA32(x) ( \
1385 (x) == AV_PIX_FMT_ARGB \
1386 || (x) == AV_PIX_FMT_RGBA \
1387 || (x) == AV_PIX_FMT_BGRA \
1388 || (x) == AV_PIX_FMT_ABGR \
1391 #define isRGBA64(x) ( \
1392 (x) == AV_PIX_FMT_RGBA64LE \
1393 || (x) == AV_PIX_FMT_RGBA64BE \
1394 || (x) == AV_PIX_FMT_BGRA64LE \
1395 || (x) == AV_PIX_FMT_BGRA64BE \
1398 #define isRGB48(x) ( \
1399 (x) == AV_PIX_FMT_RGB48LE \
1400 || (x) == AV_PIX_FMT_RGB48BE \
1401 || (x) == AV_PIX_FMT_BGR48LE \
1402 || (x) == AV_PIX_FMT_BGR48BE \
1405 /* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */
1406 typedef void (* rgbConvFn) (const uint8_t *, uint8_t *, int);
1407 static rgbConvFn findRgbConvFn(SwsContext *c)
1409 const enum AVPixelFormat srcFormat = c->srcFormat;
1410 const enum AVPixelFormat dstFormat = c->dstFormat;
1411 const int srcId = c->srcFormatBpp;
1412 const int dstId = c->dstFormatBpp;
1413 rgbConvFn conv = NULL;
1415 #define IS_NOT_NE(bpp, desc) \
1416 (((bpp + 7) >> 3) == 2 && \
1417 (!(desc->flags & AV_PIX_FMT_FLAG_BE) != !HAVE_BIGENDIAN))
1419 #define CONV_IS(src, dst) (srcFormat == AV_PIX_FMT_##src && dstFormat == AV_PIX_FMT_##dst)
1421 if (isRGBA32(srcFormat) && isRGBA32(dstFormat)) {
1422 if ( CONV_IS(ABGR, RGBA)
1423 || CONV_IS(ARGB, BGRA)
1424 || CONV_IS(BGRA, ARGB)
1425 || CONV_IS(RGBA, ABGR)) conv = shuffle_bytes_3210;
1426 else if (CONV_IS(ABGR, ARGB)
1427 || CONV_IS(ARGB, ABGR)) conv = shuffle_bytes_0321;
1428 else if (CONV_IS(ABGR, BGRA)
1429 || CONV_IS(ARGB, RGBA)) conv = shuffle_bytes_1230;
1430 else if (CONV_IS(BGRA, RGBA)
1431 || CONV_IS(RGBA, BGRA)) conv = shuffle_bytes_2103;
1432 else if (CONV_IS(BGRA, ABGR)
1433 || CONV_IS(RGBA, ARGB)) conv = shuffle_bytes_3012;
1434 } else if (isRGB48(srcFormat) && isRGB48(dstFormat)) {
1435 if (CONV_IS(RGB48LE, BGR48LE)
1436 || CONV_IS(BGR48LE, RGB48LE)
1437 || CONV_IS(RGB48BE, BGR48BE)
1438 || CONV_IS(BGR48BE, RGB48BE)) conv = rgb48tobgr48_nobswap;
1439 else if (CONV_IS(RGB48LE, BGR48BE)
1440 || CONV_IS(BGR48LE, RGB48BE)
1441 || CONV_IS(RGB48BE, BGR48LE)
1442 || CONV_IS(BGR48BE, RGB48LE)) conv = rgb48tobgr48_bswap;
1443 } else if (isRGB48(srcFormat) && isRGBA64(dstFormat)) {
1444 if (CONV_IS(RGB48LE, BGRA64LE)
1445 || CONV_IS(BGR48LE, RGBA64LE)
1446 || CONV_IS(RGB48BE, BGRA64BE)
1447 || CONV_IS(BGR48BE, RGBA64BE)) conv = rgb48tobgr64_nobswap;
1448 else if (CONV_IS(RGB48LE, BGRA64BE)
1449 || CONV_IS(BGR48LE, RGBA64BE)
1450 || CONV_IS(RGB48BE, BGRA64LE)
1451 || CONV_IS(BGR48BE, RGBA64LE)) conv = rgb48tobgr64_bswap;
1452 if (CONV_IS(RGB48LE, RGBA64LE)
1453 || CONV_IS(BGR48LE, BGRA64LE)
1454 || CONV_IS(RGB48BE, RGBA64BE)
1455 || CONV_IS(BGR48BE, BGRA64BE)) conv = rgb48to64_nobswap;
1456 else if (CONV_IS(RGB48LE, RGBA64BE)
1457 || CONV_IS(BGR48LE, BGRA64BE)
1458 || CONV_IS(RGB48BE, RGBA64LE)
1459 || CONV_IS(BGR48BE, BGRA64LE)) conv = rgb48to64_bswap;
1460 } else if (isRGBA64(srcFormat) && isRGB48(dstFormat)) {
1461 if (CONV_IS(RGBA64LE, BGR48LE)
1462 || CONV_IS(BGRA64LE, RGB48LE)
1463 || CONV_IS(RGBA64BE, BGR48BE)
1464 || CONV_IS(BGRA64BE, RGB48BE)) conv = rgb64tobgr48_nobswap;
1465 else if (CONV_IS(RGBA64LE, BGR48BE)
1466 || CONV_IS(BGRA64LE, RGB48BE)
1467 || CONV_IS(RGBA64BE, BGR48LE)
1468 || CONV_IS(BGRA64BE, RGB48LE)) conv = rgb64tobgr48_bswap;
1469 else if (CONV_IS(RGBA64LE, RGB48LE)
1470 || CONV_IS(BGRA64LE, BGR48LE)
1471 || CONV_IS(RGBA64BE, RGB48BE)
1472 || CONV_IS(BGRA64BE, BGR48BE)) conv = rgb64to48_nobswap;
1473 else if (CONV_IS(RGBA64LE, RGB48BE)
1474 || CONV_IS(BGRA64LE, BGR48BE)
1475 || CONV_IS(RGBA64BE, RGB48LE)
1476 || CONV_IS(BGRA64BE, BGR48LE)) conv = rgb64to48_bswap;
1479 if ((isBGRinInt(srcFormat) && isBGRinInt(dstFormat)) ||
1480 (isRGBinInt(srcFormat) && isRGBinInt(dstFormat))) {
1481 switch (srcId | (dstId << 16)) {
1482 case 0x000F000C: conv = rgb12to15; break;
1483 case 0x000F0010: conv = rgb16to15; break;
1484 case 0x000F0018: conv = rgb24to15; break;
1485 case 0x000F0020: conv = rgb32to15; break;
1486 case 0x0010000F: conv = rgb15to16; break;
1487 case 0x00100018: conv = rgb24to16; break;
1488 case 0x00100020: conv = rgb32to16; break;
1489 case 0x0018000F: conv = rgb15to24; break;
1490 case 0x00180010: conv = rgb16to24; break;
1491 case 0x00180020: conv = rgb32to24; break;
1492 case 0x0020000F: conv = rgb15to32; break;
1493 case 0x00200010: conv = rgb16to32; break;
1494 case 0x00200018: conv = rgb24to32; break;
1496 } else if ((isBGRinInt(srcFormat) && isRGBinInt(dstFormat)) ||
1497 (isRGBinInt(srcFormat) && isBGRinInt(dstFormat))) {
1498 switch (srcId | (dstId << 16)) {
1499 case 0x000C000C: conv = rgb12tobgr12; break;
1500 case 0x000F000F: conv = rgb15tobgr15; break;
1501 case 0x000F0010: conv = rgb16tobgr15; break;
1502 case 0x000F0018: conv = rgb24tobgr15; break;
1503 case 0x000F0020: conv = rgb32tobgr15; break;
1504 case 0x0010000F: conv = rgb15tobgr16; break;
1505 case 0x00100010: conv = rgb16tobgr16; break;
1506 case 0x00100018: conv = rgb24tobgr16; break;
1507 case 0x00100020: conv = rgb32tobgr16; break;
1508 case 0x0018000F: conv = rgb15tobgr24; break;
1509 case 0x00180010: conv = rgb16tobgr24; break;
1510 case 0x00180018: conv = rgb24tobgr24; break;
1511 case 0x00180020: conv = rgb32tobgr24; break;
1512 case 0x0020000F: conv = rgb15tobgr32; break;
1513 case 0x00200010: conv = rgb16tobgr32; break;
1514 case 0x00200018: conv = rgb24tobgr32; break;
1518 if ((dstFormat == AV_PIX_FMT_RGB32_1 || dstFormat == AV_PIX_FMT_BGR32_1) && !isRGBA32(srcFormat) && ALT32_CORR<0)
1521 // Maintain symmetry between endianness
1522 if (c->flags & SWS_BITEXACT)
1523 if ((dstFormat == AV_PIX_FMT_RGB32 || dstFormat == AV_PIX_FMT_BGR32 ) && !isRGBA32(srcFormat) && ALT32_CORR>0)
1529 /* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */
1530 static int rgbToRgbWrapper(SwsContext *c, const uint8_t *src[], int srcStride[],
1531 int srcSliceY, int srcSliceH, uint8_t *dst[],
1535 const enum AVPixelFormat srcFormat = c->srcFormat;
1536 const enum AVPixelFormat dstFormat = c->dstFormat;
1537 const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(c->srcFormat);
1538 const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(c->dstFormat);
1539 const int srcBpp = (c->srcFormatBpp + 7) >> 3;
1540 const int dstBpp = (c->dstFormatBpp + 7) >> 3;
1541 rgbConvFn conv = findRgbConvFn(c);
1544 av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
1545 av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat));
1547 const uint8_t *srcPtr = src[0];
1548 uint8_t *dstPtr = dst[0];
1549 int src_bswap = IS_NOT_NE(c->srcFormatBpp, desc_src);
1550 int dst_bswap = IS_NOT_NE(c->dstFormatBpp, desc_dst);
1552 if ((srcFormat == AV_PIX_FMT_RGB32_1 || srcFormat == AV_PIX_FMT_BGR32_1) &&
1553 !isRGBA32(dstFormat))
1554 srcPtr += ALT32_CORR;
1556 if ((dstFormat == AV_PIX_FMT_RGB32_1 || dstFormat == AV_PIX_FMT_BGR32_1) &&
1557 !isRGBA32(srcFormat)) {
1559 av_assert0(ALT32_CORR == 1);
1560 for (i = 0; i < srcSliceH; i++)
1561 dstPtr[dstStride[0] * (srcSliceY + i)] = 255;
1562 dstPtr += ALT32_CORR;
1565 if (dstStride[0] * srcBpp == srcStride[0] * dstBpp && srcStride[0] > 0 &&
1566 !(srcStride[0] % srcBpp) && !dst_bswap && !src_bswap)
1567 conv(srcPtr, dstPtr + dstStride[0] * srcSliceY,
1568 (srcSliceH - 1) * srcStride[0] + c->srcW * srcBpp);
1571 dstPtr += dstStride[0] * srcSliceY;
1573 for (i = 0; i < srcSliceH; i++) {
1575 for(j=0; j<c->srcW; j++)
1576 ((uint16_t*)c->formatConvBuffer)[j] = av_bswap16(((uint16_t*)srcPtr)[j]);
1577 conv(c->formatConvBuffer, dstPtr, c->srcW * srcBpp);
1579 conv(srcPtr, dstPtr, c->srcW * srcBpp);
1581 for(j=0; j<c->srcW; j++)
1582 ((uint16_t*)dstPtr)[j] = av_bswap16(((uint16_t*)dstPtr)[j]);
1583 srcPtr += srcStride[0];
1584 dstPtr += dstStride[0];
1591 static int bgr24ToYv12Wrapper(SwsContext *c, const uint8_t *src[],
1592 int srcStride[], int srcSliceY, int srcSliceH,
1593 uint8_t *dst[], int dstStride[])
1597 dst[0] + srcSliceY * dstStride[0],
1598 dst[1] + (srcSliceY >> 1) * dstStride[1],
1599 dst[2] + (srcSliceY >> 1) * dstStride[2],
1601 dstStride[0], dstStride[1], srcStride[0],
1602 c->input_rgb2yuv_table);
1604 fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
1608 static int yvu9ToYv12Wrapper(SwsContext *c, const uint8_t *src[],
1609 int srcStride[], int srcSliceY, int srcSliceH,
1610 uint8_t *dst[], int dstStride[])
1612 copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
1613 dst[0], dstStride[0]);
1615 planar2x(src[1], dst[1] + dstStride[1] * (srcSliceY >> 1), c->chrSrcW,
1616 srcSliceH >> 2, srcStride[1], dstStride[1]);
1617 planar2x(src[2], dst[2] + dstStride[2] * (srcSliceY >> 1), c->chrSrcW,
1618 srcSliceH >> 2, srcStride[2], dstStride[2]);
1620 fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
1624 static int uint_y_to_float_y_wrapper(SwsContext *c, const uint8_t *src[],
1625 int srcStride[], int srcSliceY,
1626 int srcSliceH, uint8_t *dst[], int dstStride[])
1629 ptrdiff_t dstStrideFloat = dstStride[0] >> 2;
1630 const uint8_t *srcPtr = src[0];
1631 float *dstPtr = (float *)(dst[0] + dstStride[0] * srcSliceY);
1633 for (y = 0; y < srcSliceH; ++y){
1634 for (x = 0; x < c->srcW; ++x){
1635 dstPtr[x] = c->uint2float_lut[srcPtr[x]];
1637 srcPtr += srcStride[0];
1638 dstPtr += dstStrideFloat;
1644 static int float_y_to_uint_y_wrapper(SwsContext *c, const uint8_t* src[],
1645 int srcStride[], int srcSliceY,
1646 int srcSliceH, uint8_t* dst[], int dstStride[])
1649 ptrdiff_t srcStrideFloat = srcStride[0] >> 2;
1650 const float *srcPtr = (const float *)src[0];
1651 uint8_t *dstPtr = dst[0] + dstStride[0] * srcSliceY;
1653 for (y = 0; y < srcSliceH; ++y){
1654 for (x = 0; x < c->srcW; ++x){
1655 dstPtr[x] = av_clip_uint8(lrintf(255.0f * srcPtr[x]));
1657 srcPtr += srcStrideFloat;
1658 dstPtr += dstStride[0];
1664 /* unscaled copy like stuff (assumes nearly identical formats) */
1665 static int packedCopyWrapper(SwsContext *c, const uint8_t *src[],
1666 int srcStride[], int srcSliceY, int srcSliceH,
1667 uint8_t *dst[], int dstStride[])
1669 if (dstStride[0] == srcStride[0] && srcStride[0] > 0)
1670 memcpy(dst[0] + dstStride[0] * srcSliceY, src[0], srcSliceH * dstStride[0]);
1673 const uint8_t *srcPtr = src[0];
1674 uint8_t *dstPtr = dst[0] + dstStride[0] * srcSliceY;
1677 /* universal length finder */
1678 while (length + c->srcW <= FFABS(dstStride[0]) &&
1679 length + c->srcW <= FFABS(srcStride[0]))
1681 av_assert1(length != 0);
1683 for (i = 0; i < srcSliceH; i++) {
1684 memcpy(dstPtr, srcPtr, length);
1685 srcPtr += srcStride[0];
1686 dstPtr += dstStride[0];
1692 #define DITHER_COPY(dst, dstStride, src, srcStride, bswap, dbswap)\
1693 unsigned shift= src_depth-dst_depth, tmp;\
1694 if (c->dither == SWS_DITHER_NONE) {\
1695 for (i = 0; i < height; i++) {\
1696 for (j = 0; j < length-7; j+=8) {\
1697 dst[j+0] = dbswap(bswap(src[j+0])>>shift);\
1698 dst[j+1] = dbswap(bswap(src[j+1])>>shift);\
1699 dst[j+2] = dbswap(bswap(src[j+2])>>shift);\
1700 dst[j+3] = dbswap(bswap(src[j+3])>>shift);\
1701 dst[j+4] = dbswap(bswap(src[j+4])>>shift);\
1702 dst[j+5] = dbswap(bswap(src[j+5])>>shift);\
1703 dst[j+6] = dbswap(bswap(src[j+6])>>shift);\
1704 dst[j+7] = dbswap(bswap(src[j+7])>>shift);\
1706 for (; j < length; j++) {\
1707 dst[j] = dbswap(bswap(src[j])>>shift);\
1712 } else if (shiftonly) {\
1713 for (i = 0; i < height; i++) {\
1714 const uint8_t *dither= dithers[shift-1][i&7];\
1715 for (j = 0; j < length-7; j+=8) {\
1716 tmp = (bswap(src[j+0]) + dither[0])>>shift; dst[j+0] = dbswap(tmp - (tmp>>dst_depth));\
1717 tmp = (bswap(src[j+1]) + dither[1])>>shift; dst[j+1] = dbswap(tmp - (tmp>>dst_depth));\
1718 tmp = (bswap(src[j+2]) + dither[2])>>shift; dst[j+2] = dbswap(tmp - (tmp>>dst_depth));\
1719 tmp = (bswap(src[j+3]) + dither[3])>>shift; dst[j+3] = dbswap(tmp - (tmp>>dst_depth));\
1720 tmp = (bswap(src[j+4]) + dither[4])>>shift; dst[j+4] = dbswap(tmp - (tmp>>dst_depth));\
1721 tmp = (bswap(src[j+5]) + dither[5])>>shift; dst[j+5] = dbswap(tmp - (tmp>>dst_depth));\
1722 tmp = (bswap(src[j+6]) + dither[6])>>shift; dst[j+6] = dbswap(tmp - (tmp>>dst_depth));\
1723 tmp = (bswap(src[j+7]) + dither[7])>>shift; dst[j+7] = dbswap(tmp - (tmp>>dst_depth));\
1725 for (; j < length; j++) {\
1726 tmp = (bswap(src[j]) + dither[j&7])>>shift; dst[j] = dbswap(tmp - (tmp>>dst_depth));\
1732 for (i = 0; i < height; i++) {\
1733 const uint8_t *dither= dithers[shift-1][i&7];\
1734 for (j = 0; j < length-7; j+=8) {\
1735 tmp = bswap(src[j+0]); dst[j+0] = dbswap((tmp - (tmp>>dst_depth) + dither[0])>>shift);\
1736 tmp = bswap(src[j+1]); dst[j+1] = dbswap((tmp - (tmp>>dst_depth) + dither[1])>>shift);\
1737 tmp = bswap(src[j+2]); dst[j+2] = dbswap((tmp - (tmp>>dst_depth) + dither[2])>>shift);\
1738 tmp = bswap(src[j+3]); dst[j+3] = dbswap((tmp - (tmp>>dst_depth) + dither[3])>>shift);\
1739 tmp = bswap(src[j+4]); dst[j+4] = dbswap((tmp - (tmp>>dst_depth) + dither[4])>>shift);\
1740 tmp = bswap(src[j+5]); dst[j+5] = dbswap((tmp - (tmp>>dst_depth) + dither[5])>>shift);\
1741 tmp = bswap(src[j+6]); dst[j+6] = dbswap((tmp - (tmp>>dst_depth) + dither[6])>>shift);\
1742 tmp = bswap(src[j+7]); dst[j+7] = dbswap((tmp - (tmp>>dst_depth) + dither[7])>>shift);\
1744 for (; j < length; j++) {\
1745 tmp = bswap(src[j]); dst[j] = dbswap((tmp - (tmp>>dst_depth) + dither[j&7])>>shift);\
1752 static int planarCopyWrapper(SwsContext *c, const uint8_t *src[],
1753 int srcStride[], int srcSliceY, int srcSliceH,
1754 uint8_t *dst[], int dstStride[])
1756 const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(c->srcFormat);
1757 const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(c->dstFormat);
1759 for (plane = 0; plane < 4; plane++) {
1760 int length = (plane == 0 || plane == 3) ? c->srcW : AV_CEIL_RSHIFT(c->srcW, c->chrDstHSubSample);
1761 int y = (plane == 0 || plane == 3) ? srcSliceY: AV_CEIL_RSHIFT(srcSliceY, c->chrDstVSubSample);
1762 int height = (plane == 0 || plane == 3) ? srcSliceH: AV_CEIL_RSHIFT(srcSliceH, c->chrDstVSubSample);
1763 const uint8_t *srcPtr = src[plane];
1764 uint8_t *dstPtr = dst[plane] + dstStride[plane] * y;
1765 int shiftonly = plane == 1 || plane == 2 || (!c->srcRange && plane == 0);
1769 // ignore palette for GRAY8
1770 if (plane == 1 && !dst[2]) continue;
1771 if (!src[plane] || (plane == 1 && !src[2])) {
1772 if (is16BPS(c->dstFormat) || isNBPS(c->dstFormat)) {
1773 fillPlane16(dst[plane], dstStride[plane], length, height, y,
1774 plane == 3, desc_dst->comp[plane].depth,
1775 isBE(c->dstFormat));
1777 fillPlane(dst[plane], dstStride[plane], length, height, y,
1778 (plane == 3) ? 255 : 128);
1781 if(isNBPS(c->srcFormat) || isNBPS(c->dstFormat)
1782 || (is16BPS(c->srcFormat) != is16BPS(c->dstFormat))
1784 const int src_depth = desc_src->comp[plane].depth;
1785 const int dst_depth = desc_dst->comp[plane].depth;
1786 const uint16_t *srcPtr2 = (const uint16_t *) srcPtr;
1787 uint16_t *dstPtr2 = (uint16_t*)dstPtr;
1789 if (dst_depth == 8) {
1790 if(isBE(c->srcFormat) == HAVE_BIGENDIAN){
1791 DITHER_COPY(dstPtr, dstStride[plane], srcPtr2, srcStride[plane]/2, , )
1793 DITHER_COPY(dstPtr, dstStride[plane], srcPtr2, srcStride[plane]/2, av_bswap16, )
1795 } else if (src_depth == 8) {
1796 for (i = 0; i < height; i++) {
1799 for (j = 0; j < length; j++)\
1800 w(&dstPtr2[j], srcPtr[j]<<(dst_depth-8));\
1802 for (j = 0; j < length; j++)\
1803 w(&dstPtr2[j], (srcPtr[j]<<(dst_depth-8)) |\
1804 (srcPtr[j]>>(2*8-dst_depth)));\
1806 if(isBE(c->dstFormat)){
1811 dstPtr2 += dstStride[plane]/2;
1812 srcPtr += srcStride[plane];
1814 } else if (src_depth <= dst_depth) {
1815 for (i = 0; i < height; i++) {
1817 if(isBE(c->srcFormat) == HAVE_BIGENDIAN &&
1818 isBE(c->dstFormat) == HAVE_BIGENDIAN &&
1820 unsigned shift = dst_depth - src_depth;
1822 #define FAST_COPY_UP(shift) \
1823 for (; j < length - 3; j += 4) { \
1824 uint64_t v = AV_RN64A(srcPtr2 + j); \
1825 AV_WN64A(dstPtr2 + j, v << shift); \
1828 #define FAST_COPY_UP(shift) \
1829 for (; j < length - 1; j += 2) { \
1830 uint32_t v = AV_RN32A(srcPtr2 + j); \
1831 AV_WN32A(dstPtr2 + j, v << shift); \
1836 case 6: FAST_COPY_UP(6); break;
1837 case 7: FAST_COPY_UP(7); break;
1840 #define COPY_UP(r,w) \
1842 for (; j < length; j++){ \
1843 unsigned int v= r(&srcPtr2[j]);\
1844 w(&dstPtr2[j], v<<(dst_depth-src_depth));\
1847 for (; j < length; j++){ \
1848 unsigned int v= r(&srcPtr2[j]);\
1849 w(&dstPtr2[j], (v<<(dst_depth-src_depth)) | \
1850 (v>>(2*src_depth-dst_depth)));\
1853 if(isBE(c->srcFormat)){
1854 if(isBE(c->dstFormat)){
1855 COPY_UP(AV_RB16, AV_WB16)
1857 COPY_UP(AV_RB16, AV_WL16)
1860 if(isBE(c->dstFormat)){
1861 COPY_UP(AV_RL16, AV_WB16)
1863 COPY_UP(AV_RL16, AV_WL16)
1866 dstPtr2 += dstStride[plane]/2;
1867 srcPtr2 += srcStride[plane]/2;
1870 if(isBE(c->srcFormat) == HAVE_BIGENDIAN){
1871 if(isBE(c->dstFormat) == HAVE_BIGENDIAN){
1872 DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, , )
1874 DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, , av_bswap16)
1877 if(isBE(c->dstFormat) == HAVE_BIGENDIAN){
1878 DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, av_bswap16, )
1880 DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, av_bswap16, av_bswap16)
1884 } else if (is16BPS(c->srcFormat) && is16BPS(c->dstFormat) &&
1885 isBE(c->srcFormat) != isBE(c->dstFormat)) {
1887 for (i = 0; i < height; i++) {
1888 for (j = 0; j < length; j++)
1889 ((uint16_t *) dstPtr)[j] = av_bswap16(((const uint16_t *) srcPtr)[j]);
1890 srcPtr += srcStride[plane];
1891 dstPtr += dstStride[plane];
1893 } else if (isFloat(c->srcFormat) && isFloat(c->dstFormat) &&
1894 isBE(c->srcFormat) != isBE(c->dstFormat)) { /* swap float plane */
1895 for (i = 0; i < height; i++) {
1896 for (j = 0; j < length; j++)
1897 ((uint32_t *) dstPtr)[j] = av_bswap32(((const uint32_t *) srcPtr)[j]);
1898 srcPtr += srcStride[plane];
1899 dstPtr += dstStride[plane];
1901 } else if (dstStride[plane] == srcStride[plane] &&
1902 srcStride[plane] > 0 && srcStride[plane] == length) {
1903 memcpy(dst[plane] + dstStride[plane] * y, src[plane],
1904 height * dstStride[plane]);
1906 if (is16BPS(c->srcFormat) && is16BPS(c->dstFormat))
1908 else if (desc_src->comp[0].depth == 1)
1909 length >>= 3; // monowhite/black
1910 for (i = 0; i < height; i++) {
1911 memcpy(dstPtr, srcPtr, length);
1912 srcPtr += srcStride[plane];
1913 dstPtr += dstStride[plane];
1922 #define IS_DIFFERENT_ENDIANESS(src_fmt, dst_fmt, pix_fmt) \
1923 ((src_fmt == pix_fmt ## BE && dst_fmt == pix_fmt ## LE) || \
1924 (src_fmt == pix_fmt ## LE && dst_fmt == pix_fmt ## BE))
1927 void ff_get_unscaled_swscale(SwsContext *c)
1929 const enum AVPixelFormat srcFormat = c->srcFormat;
1930 const enum AVPixelFormat dstFormat = c->dstFormat;
1931 const int flags = c->flags;
1932 const int dstH = c->dstH;
1935 needsDither = isAnyRGB(dstFormat) &&
1936 c->dstFormatBpp < 24 &&
1937 (c->dstFormatBpp < c->srcFormatBpp || (!isAnyRGB(srcFormat)));
1940 if ((srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUVA420P) &&
1941 (dstFormat == AV_PIX_FMT_NV12 || dstFormat == AV_PIX_FMT_NV21)) {
1942 c->swscale = planarToNv12Wrapper;
1945 if ((srcFormat == AV_PIX_FMT_YUV444P || srcFormat == AV_PIX_FMT_YUVA444P) &&
1946 (dstFormat == AV_PIX_FMT_NV24 || dstFormat == AV_PIX_FMT_NV42)) {
1947 c->swscale = planarToNv24Wrapper;
1950 if (dstFormat == AV_PIX_FMT_YUV420P &&
1951 (srcFormat == AV_PIX_FMT_NV12 || srcFormat == AV_PIX_FMT_NV21)) {
1952 c->swscale = nv12ToPlanarWrapper;
1955 if (dstFormat == AV_PIX_FMT_YUV444P &&
1956 (srcFormat == AV_PIX_FMT_NV24 || srcFormat == AV_PIX_FMT_NV42)) {
1957 c->swscale = nv24ToPlanarWrapper;
1960 if ((srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUV422P ||
1961 srcFormat == AV_PIX_FMT_YUVA420P) && isAnyRGB(dstFormat) &&
1962 !(flags & SWS_ACCURATE_RND) && (c->dither == SWS_DITHER_BAYER || c->dither == SWS_DITHER_AUTO) && !(dstH & 1)) {
1963 c->swscale = ff_yuv2rgb_get_func_ptr(c);
1965 /* yuv420p1x_to_p01x */
1966 if ((srcFormat == AV_PIX_FMT_YUV420P10 || srcFormat == AV_PIX_FMT_YUVA420P10 ||
1967 srcFormat == AV_PIX_FMT_YUV420P12 ||
1968 srcFormat == AV_PIX_FMT_YUV420P14 ||
1969 srcFormat == AV_PIX_FMT_YUV420P16 || srcFormat == AV_PIX_FMT_YUVA420P16) &&
1970 (dstFormat == AV_PIX_FMT_P010 || dstFormat == AV_PIX_FMT_P016)) {
1971 c->swscale = planarToP01xWrapper;
1973 /* yuv420p_to_p01xle */
1974 if ((srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUVA420P) &&
1975 (dstFormat == AV_PIX_FMT_P010LE || dstFormat == AV_PIX_FMT_P016LE)) {
1976 c->swscale = planar8ToP01xleWrapper;
1979 if (srcFormat == AV_PIX_FMT_YUV410P && !(dstH & 3) &&
1980 (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P) &&
1981 !(flags & SWS_BITEXACT)) {
1982 c->swscale = yvu9ToYv12Wrapper;
1986 if (srcFormat == AV_PIX_FMT_BGR24 &&
1987 (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P) &&
1988 !(flags & SWS_ACCURATE_RND))
1989 c->swscale = bgr24ToYv12Wrapper;
1991 /* RGB/BGR -> RGB/BGR (no dither needed forms) */
1992 if (isAnyRGB(srcFormat) && isAnyRGB(dstFormat) && findRgbConvFn(c)
1993 && (!needsDither || (c->flags&(SWS_FAST_BILINEAR|SWS_POINT))))
1994 c->swscale = rgbToRgbWrapper;
1996 /* RGB to planar RGB */
1997 if ((srcFormat == AV_PIX_FMT_GBRP && dstFormat == AV_PIX_FMT_GBRAP) ||
1998 (srcFormat == AV_PIX_FMT_GBRAP && dstFormat == AV_PIX_FMT_GBRP))
1999 c->swscale = planarRgbToplanarRgbWrapper;
2001 #define isByteRGB(f) ( \
2002 f == AV_PIX_FMT_RGB32 || \
2003 f == AV_PIX_FMT_RGB32_1 || \
2004 f == AV_PIX_FMT_RGB24 || \
2005 f == AV_PIX_FMT_BGR32 || \
2006 f == AV_PIX_FMT_BGR32_1 || \
2007 f == AV_PIX_FMT_BGR24)
2009 if (srcFormat == AV_PIX_FMT_GBRP && isPlanar(srcFormat) && isByteRGB(dstFormat))
2010 c->swscale = planarRgbToRgbWrapper;
2012 if (srcFormat == AV_PIX_FMT_GBRAP && isByteRGB(dstFormat))
2013 c->swscale = planarRgbaToRgbWrapper;
2015 if ((srcFormat == AV_PIX_FMT_RGB48LE || srcFormat == AV_PIX_FMT_RGB48BE ||
2016 srcFormat == AV_PIX_FMT_BGR48LE || srcFormat == AV_PIX_FMT_BGR48BE ||
2017 srcFormat == AV_PIX_FMT_RGBA64LE || srcFormat == AV_PIX_FMT_RGBA64BE ||
2018 srcFormat == AV_PIX_FMT_BGRA64LE || srcFormat == AV_PIX_FMT_BGRA64BE) &&
2019 (dstFormat == AV_PIX_FMT_GBRP9LE || dstFormat == AV_PIX_FMT_GBRP9BE ||
2020 dstFormat == AV_PIX_FMT_GBRP10LE || dstFormat == AV_PIX_FMT_GBRP10BE ||
2021 dstFormat == AV_PIX_FMT_GBRP12LE || dstFormat == AV_PIX_FMT_GBRP12BE ||
2022 dstFormat == AV_PIX_FMT_GBRP14LE || dstFormat == AV_PIX_FMT_GBRP14BE ||
2023 dstFormat == AV_PIX_FMT_GBRP16LE || dstFormat == AV_PIX_FMT_GBRP16BE ||
2024 dstFormat == AV_PIX_FMT_GBRAP10LE || dstFormat == AV_PIX_FMT_GBRAP10BE ||
2025 dstFormat == AV_PIX_FMT_GBRAP12LE || dstFormat == AV_PIX_FMT_GBRAP12BE ||
2026 dstFormat == AV_PIX_FMT_GBRAP16LE || dstFormat == AV_PIX_FMT_GBRAP16BE ))
2027 c->swscale = Rgb16ToPlanarRgb16Wrapper;
2029 if ((srcFormat == AV_PIX_FMT_GBRP9LE || srcFormat == AV_PIX_FMT_GBRP9BE ||
2030 srcFormat == AV_PIX_FMT_GBRP16LE || srcFormat == AV_PIX_FMT_GBRP16BE ||
2031 srcFormat == AV_PIX_FMT_GBRP10LE || srcFormat == AV_PIX_FMT_GBRP10BE ||
2032 srcFormat == AV_PIX_FMT_GBRP12LE || srcFormat == AV_PIX_FMT_GBRP12BE ||
2033 srcFormat == AV_PIX_FMT_GBRP14LE || srcFormat == AV_PIX_FMT_GBRP14BE ||
2034 srcFormat == AV_PIX_FMT_GBRAP10LE || srcFormat == AV_PIX_FMT_GBRAP10BE ||
2035 srcFormat == AV_PIX_FMT_GBRAP12LE || srcFormat == AV_PIX_FMT_GBRAP12BE ||
2036 srcFormat == AV_PIX_FMT_GBRAP16LE || srcFormat == AV_PIX_FMT_GBRAP16BE) &&
2037 (dstFormat == AV_PIX_FMT_RGB48LE || dstFormat == AV_PIX_FMT_RGB48BE ||
2038 dstFormat == AV_PIX_FMT_BGR48LE || dstFormat == AV_PIX_FMT_BGR48BE ||
2039 dstFormat == AV_PIX_FMT_RGBA64LE || dstFormat == AV_PIX_FMT_RGBA64BE ||
2040 dstFormat == AV_PIX_FMT_BGRA64LE || dstFormat == AV_PIX_FMT_BGRA64BE))
2041 c->swscale = planarRgb16ToRgb16Wrapper;
2043 if (av_pix_fmt_desc_get(srcFormat)->comp[0].depth == 8 &&
2044 isPackedRGB(srcFormat) && dstFormat == AV_PIX_FMT_GBRP)
2045 c->swscale = rgbToPlanarRgbWrapper;
2047 if (isBayer(srcFormat)) {
2048 if (dstFormat == AV_PIX_FMT_RGB24)
2049 c->swscale = bayer_to_rgb24_wrapper;
2050 else if (dstFormat == AV_PIX_FMT_YUV420P)
2051 c->swscale = bayer_to_yv12_wrapper;
2052 else if (!isBayer(dstFormat)) {
2053 av_log(c, AV_LOG_ERROR, "unsupported bayer conversion\n");
2058 /* bswap 16 bits per pixel/component packed formats */
2059 if (IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BAYER_BGGR16) ||
2060 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BAYER_RGGB16) ||
2061 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BAYER_GBRG16) ||
2062 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BAYER_GRBG16) ||
2063 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR444) ||
2064 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR48) ||
2065 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR555) ||
2066 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR565) ||
2067 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGRA64) ||
2068 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY9) ||
2069 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY10) ||
2070 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY12) ||
2071 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY14) ||
2072 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY16) ||
2073 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YA16) ||
2074 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_AYUV64) ||
2075 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP9) ||
2076 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP10) ||
2077 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP12) ||
2078 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP14) ||
2079 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP16) ||
2080 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRAP10) ||
2081 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRAP12) ||
2082 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRAP16) ||
2083 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB444) ||
2084 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB48) ||
2085 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB555) ||
2086 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB565) ||
2087 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGBA64) ||
2088 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_XYZ12) ||
2089 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P9) ||
2090 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P10) ||
2091 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P12) ||
2092 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P14) ||
2093 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P16) ||
2094 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P9) ||
2095 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P10) ||
2096 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P12) ||
2097 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P14) ||
2098 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P16) ||
2099 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV440P10) ||
2100 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV440P12) ||
2101 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P9) ||
2102 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P10) ||
2103 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P12) ||
2104 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P14) ||
2105 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P16))
2106 c->swscale = bswap_16bpc;
2108 /* bswap 32 bits per pixel/component formats */
2109 if (IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRPF32) ||
2110 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRAPF32))
2111 c->swscale = bswap_32bpc;
2113 if (usePal(srcFormat) && isByteRGB(dstFormat))
2114 c->swscale = palToRgbWrapper;
2116 if (srcFormat == AV_PIX_FMT_YUV422P) {
2117 if (dstFormat == AV_PIX_FMT_YUYV422)
2118 c->swscale = yuv422pToYuy2Wrapper;
2119 else if (dstFormat == AV_PIX_FMT_UYVY422)
2120 c->swscale = yuv422pToUyvyWrapper;
2123 /* uint Y to float Y */
2124 if (srcFormat == AV_PIX_FMT_GRAY8 && dstFormat == AV_PIX_FMT_GRAYF32){
2125 c->swscale = uint_y_to_float_y_wrapper;
2128 /* float Y to uint Y */
2129 if (srcFormat == AV_PIX_FMT_GRAYF32 && dstFormat == AV_PIX_FMT_GRAY8){
2130 c->swscale = float_y_to_uint_y_wrapper;
2133 /* LQ converters if -sws 0 or -sws 4*/
2134 if (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)) {
2136 if (srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUVA420P) {
2137 if (dstFormat == AV_PIX_FMT_YUYV422)
2138 c->swscale = planarToYuy2Wrapper;
2139 else if (dstFormat == AV_PIX_FMT_UYVY422)
2140 c->swscale = planarToUyvyWrapper;
2143 if (srcFormat == AV_PIX_FMT_YUYV422 &&
2144 (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P))
2145 c->swscale = yuyvToYuv420Wrapper;
2146 if (srcFormat == AV_PIX_FMT_UYVY422 &&
2147 (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P))
2148 c->swscale = uyvyToYuv420Wrapper;
2149 if (srcFormat == AV_PIX_FMT_YUYV422 && dstFormat == AV_PIX_FMT_YUV422P)
2150 c->swscale = yuyvToYuv422Wrapper;
2151 if (srcFormat == AV_PIX_FMT_UYVY422 && dstFormat == AV_PIX_FMT_YUV422P)
2152 c->swscale = uyvyToYuv422Wrapper;
2154 #define isPlanarGray(x) (isGray(x) && (x) != AV_PIX_FMT_YA8 && (x) != AV_PIX_FMT_YA16LE && (x) != AV_PIX_FMT_YA16BE)
2156 if ( srcFormat == dstFormat ||
2157 (srcFormat == AV_PIX_FMT_YUVA420P && dstFormat == AV_PIX_FMT_YUV420P) ||
2158 (srcFormat == AV_PIX_FMT_YUV420P && dstFormat == AV_PIX_FMT_YUVA420P) ||
2159 (isFloat(srcFormat) == isFloat(dstFormat)) && ((isPlanarYUV(srcFormat) && isPlanarGray(dstFormat)) ||
2160 (isPlanarYUV(dstFormat) && isPlanarGray(srcFormat)) ||
2161 (isPlanarGray(dstFormat) && isPlanarGray(srcFormat)) ||
2162 (isPlanarYUV(srcFormat) && isPlanarYUV(dstFormat) &&
2163 c->chrDstHSubSample == c->chrSrcHSubSample &&
2164 c->chrDstVSubSample == c->chrSrcVSubSample &&
2165 !isSemiPlanarYUV(srcFormat) && !isSemiPlanarYUV(dstFormat))))
2167 if (isPacked(c->srcFormat))
2168 c->swscale = packedCopyWrapper;
2169 else /* Planar YUV or gray */
2170 c->swscale = planarCopyWrapper;
2174 ff_get_unscaled_swscale_ppc(c);
2176 ff_get_unscaled_swscale_arm(c);
2178 ff_get_unscaled_swscale_aarch64(c);
2181 /* Convert the palette to the same packed 32-bit format as the palette */
2182 void sws_convertPalette8ToPacked32(const uint8_t *src, uint8_t *dst,
2183 int num_pixels, const uint8_t *palette)
2187 for (i = 0; i < num_pixels; i++)
2188 ((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i]];
2191 /* Palette format: ABCD -> dst format: ABC */
2192 void sws_convertPalette8ToPacked24(const uint8_t *src, uint8_t *dst,
2193 int num_pixels, const uint8_t *palette)
2197 for (i = 0; i < num_pixels; i++) {
2199 dst[0] = palette[src[i] * 4 + 0];
2200 dst[1] = palette[src[i] * 4 + 1];
2201 dst[2] = palette[src[i] * 4 + 2];