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 palToRgbWrapper(SwsContext *c, const uint8_t *src[], int srcStride[],
495 int srcSliceY, int srcSliceH, uint8_t *dst[],
498 const enum AVPixelFormat srcFormat = c->srcFormat;
499 const enum AVPixelFormat dstFormat = c->dstFormat;
500 void (*conv)(const uint8_t *src, uint8_t *dst, int num_pixels,
501 const uint8_t *palette) = NULL;
503 uint8_t *dstPtr = dst[0] + dstStride[0] * srcSliceY;
504 const uint8_t *srcPtr = src[0];
506 if (srcFormat == AV_PIX_FMT_YA8) {
508 case AV_PIX_FMT_RGB32 : conv = gray8aToPacked32; break;
509 case AV_PIX_FMT_BGR32 : conv = gray8aToPacked32; break;
510 case AV_PIX_FMT_BGR32_1: conv = gray8aToPacked32_1; break;
511 case AV_PIX_FMT_RGB32_1: conv = gray8aToPacked32_1; break;
512 case AV_PIX_FMT_RGB24 : conv = gray8aToPacked24; break;
513 case AV_PIX_FMT_BGR24 : conv = gray8aToPacked24; break;
515 } else if (usePal(srcFormat)) {
517 case AV_PIX_FMT_RGB32 : conv = sws_convertPalette8ToPacked32; break;
518 case AV_PIX_FMT_BGR32 : conv = sws_convertPalette8ToPacked32; break;
519 case AV_PIX_FMT_BGR32_1: conv = sws_convertPalette8ToPacked32; break;
520 case AV_PIX_FMT_RGB32_1: conv = sws_convertPalette8ToPacked32; break;
521 case AV_PIX_FMT_RGB24 : conv = sws_convertPalette8ToPacked24; break;
522 case AV_PIX_FMT_BGR24 : conv = sws_convertPalette8ToPacked24; break;
527 av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
528 av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat));
530 for (i = 0; i < srcSliceH; i++) {
531 conv(srcPtr, dstPtr, c->srcW, (uint8_t *) c->pal_rgb);
532 srcPtr += srcStride[0];
533 dstPtr += dstStride[0];
540 static void packed16togbra16(const uint8_t *src, int srcStride,
541 uint16_t *dst[], int dstStride[], int srcSliceH,
542 int src_alpha, int swap, int shift, int width)
545 int dst_alpha = dst[3] != NULL;
546 for (h = 0; h < srcSliceH; h++) {
547 uint16_t *src_line = (uint16_t *)(src + srcStride * h);
550 if (src_alpha && dst_alpha) {
551 for (x = 0; x < width; x++) {
552 dst[0][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
553 dst[1][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
554 dst[2][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
555 dst[3][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
557 } else if (dst_alpha) {
558 for (x = 0; x < width; x++) {
559 dst[0][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
560 dst[1][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
561 dst[2][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
564 } else if (src_alpha) {
565 for (x = 0; x < width; x++) {
566 dst[0][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
567 dst[1][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
568 dst[2][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
572 for (x = 0; x < width; x++) {
573 dst[0][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
574 dst[1][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
575 dst[2][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
580 if (src_alpha && dst_alpha) {
581 for (x = 0; x < width; x++) {
582 dst[0][x] = av_bswap16(*src_line++ >> shift);
583 dst[1][x] = av_bswap16(*src_line++ >> shift);
584 dst[2][x] = av_bswap16(*src_line++ >> shift);
585 dst[3][x] = av_bswap16(*src_line++ >> shift);
587 } else if (dst_alpha) {
588 for (x = 0; x < width; x++) {
589 dst[0][x] = av_bswap16(*src_line++ >> shift);
590 dst[1][x] = av_bswap16(*src_line++ >> shift);
591 dst[2][x] = av_bswap16(*src_line++ >> shift);
594 } else if (src_alpha) {
595 for (x = 0; x < width; x++) {
596 dst[0][x] = av_bswap16(*src_line++ >> shift);
597 dst[1][x] = av_bswap16(*src_line++ >> shift);
598 dst[2][x] = av_bswap16(*src_line++ >> shift);
602 for (x = 0; x < width; x++) {
603 dst[0][x] = av_bswap16(*src_line++ >> shift);
604 dst[1][x] = av_bswap16(*src_line++ >> shift);
605 dst[2][x] = av_bswap16(*src_line++ >> shift);
610 if (src_alpha && dst_alpha) {
611 for (x = 0; x < width; x++) {
612 dst[0][x] = av_bswap16(*src_line++) >> shift;
613 dst[1][x] = av_bswap16(*src_line++) >> shift;
614 dst[2][x] = av_bswap16(*src_line++) >> shift;
615 dst[3][x] = av_bswap16(*src_line++) >> shift;
617 } else if (dst_alpha) {
618 for (x = 0; x < width; x++) {
619 dst[0][x] = av_bswap16(*src_line++) >> shift;
620 dst[1][x] = av_bswap16(*src_line++) >> shift;
621 dst[2][x] = av_bswap16(*src_line++) >> shift;
624 } else if (src_alpha) {
625 for (x = 0; x < width; x++) {
626 dst[0][x] = av_bswap16(*src_line++) >> shift;
627 dst[1][x] = av_bswap16(*src_line++) >> shift;
628 dst[2][x] = av_bswap16(*src_line++) >> shift;
632 for (x = 0; x < width; x++) {
633 dst[0][x] = av_bswap16(*src_line++) >> shift;
634 dst[1][x] = av_bswap16(*src_line++) >> shift;
635 dst[2][x] = av_bswap16(*src_line++) >> shift;
640 if (src_alpha && dst_alpha) {
641 for (x = 0; x < width; x++) {
642 dst[0][x] = *src_line++ >> shift;
643 dst[1][x] = *src_line++ >> shift;
644 dst[2][x] = *src_line++ >> shift;
645 dst[3][x] = *src_line++ >> shift;
647 } else if (dst_alpha) {
648 for (x = 0; x < width; x++) {
649 dst[0][x] = *src_line++ >> shift;
650 dst[1][x] = *src_line++ >> shift;
651 dst[2][x] = *src_line++ >> shift;
654 } else if (src_alpha) {
655 for (x = 0; x < width; x++) {
656 dst[0][x] = *src_line++ >> shift;
657 dst[1][x] = *src_line++ >> shift;
658 dst[2][x] = *src_line++ >> shift;
662 for (x = 0; x < width; x++) {
663 dst[0][x] = *src_line++ >> shift;
664 dst[1][x] = *src_line++ >> shift;
665 dst[2][x] = *src_line++ >> shift;
669 for (i = 0; i < 4; i++)
670 dst[i] += dstStride[i] >> 1;
674 static int Rgb16ToPlanarRgb16Wrapper(SwsContext *c, const uint8_t *src[],
675 int srcStride[], int srcSliceY, int srcSliceH,
676 uint8_t *dst[], int dstStride[])
678 uint16_t *dst2013[] = { (uint16_t *)dst[2], (uint16_t *)dst[0], (uint16_t *)dst[1], (uint16_t *)dst[3] };
679 uint16_t *dst1023[] = { (uint16_t *)dst[1], (uint16_t *)dst[0], (uint16_t *)dst[2], (uint16_t *)dst[3] };
680 int stride2013[] = { dstStride[2], dstStride[0], dstStride[1], dstStride[3] };
681 int stride1023[] = { dstStride[1], dstStride[0], dstStride[2], dstStride[3] };
682 const AVPixFmtDescriptor *src_format = av_pix_fmt_desc_get(c->srcFormat);
683 const AVPixFmtDescriptor *dst_format = av_pix_fmt_desc_get(c->dstFormat);
684 int bpc = dst_format->comp[0].depth;
685 int alpha = src_format->flags & AV_PIX_FMT_FLAG_ALPHA;
689 if ( HAVE_BIGENDIAN && !(src_format->flags & AV_PIX_FMT_FLAG_BE) ||
690 !HAVE_BIGENDIAN && src_format->flags & AV_PIX_FMT_FLAG_BE)
692 if ( HAVE_BIGENDIAN && !(dst_format->flags & AV_PIX_FMT_FLAG_BE) ||
693 !HAVE_BIGENDIAN && dst_format->flags & AV_PIX_FMT_FLAG_BE)
696 if ((dst_format->flags & (AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB)) !=
697 (AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB) || bpc < 9) {
698 av_log(c, AV_LOG_ERROR, "unsupported conversion to planar RGB %s -> %s\n",
699 src_format->name, dst_format->name);
704 dst2013[i] += stride2013[i] * srcSliceY / 2;
705 dst1023[i] += stride1023[i] * srcSliceY / 2;
708 switch (c->srcFormat) {
709 case AV_PIX_FMT_RGB48LE:
710 case AV_PIX_FMT_RGB48BE:
711 case AV_PIX_FMT_RGBA64LE:
712 case AV_PIX_FMT_RGBA64BE:
713 packed16togbra16(src[0], srcStride[0],
714 dst2013, stride2013, srcSliceH, alpha, swap,
717 case AV_PIX_FMT_BGR48LE:
718 case AV_PIX_FMT_BGR48BE:
719 case AV_PIX_FMT_BGRA64LE:
720 case AV_PIX_FMT_BGRA64BE:
721 packed16togbra16(src[0], srcStride[0],
722 dst1023, stride1023, srcSliceH, alpha, swap,
726 av_log(c, AV_LOG_ERROR,
727 "unsupported conversion to planar RGB %s -> %s\n",
728 src_format->name, dst_format->name);
734 static void gbr16ptopacked16(const uint16_t *src[], int srcStride[],
735 uint8_t *dst, int dstStride, int srcSliceH,
736 int alpha, int swap, int bpp, int width)
739 int src_alpha = src[3] != NULL;
740 int scale_high = 16 - bpp, scale_low = (bpp - 8) * 2;
741 for (h = 0; h < srcSliceH; h++) {
742 uint16_t *dest = (uint16_t *)(dst + dstStride * h);
747 if (alpha && !src_alpha) {
748 for (x = 0; x < width; x++) {
749 component = av_bswap16(src[0][x]);
750 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
751 component = av_bswap16(src[1][x]);
752 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
753 component = av_bswap16(src[2][x]);
754 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
757 } else if (alpha && src_alpha) {
758 for (x = 0; x < width; x++) {
759 component = av_bswap16(src[0][x]);
760 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
761 component = av_bswap16(src[1][x]);
762 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
763 component = av_bswap16(src[2][x]);
764 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
765 component = av_bswap16(src[3][x]);
766 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
769 for (x = 0; x < width; x++) {
770 component = av_bswap16(src[0][x]);
771 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
772 component = av_bswap16(src[1][x]);
773 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
774 component = av_bswap16(src[2][x]);
775 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
780 if (alpha && !src_alpha) {
781 for (x = 0; x < width; x++) {
782 *dest++ = av_bswap16(src[0][x] << scale_high | src[0][x] >> scale_low);
783 *dest++ = av_bswap16(src[1][x] << scale_high | src[1][x] >> scale_low);
784 *dest++ = av_bswap16(src[2][x] << scale_high | src[2][x] >> scale_low);
787 } else if (alpha && src_alpha) {
788 for (x = 0; x < width; x++) {
789 *dest++ = av_bswap16(src[0][x] << scale_high | src[0][x] >> scale_low);
790 *dest++ = av_bswap16(src[1][x] << scale_high | src[1][x] >> scale_low);
791 *dest++ = av_bswap16(src[2][x] << scale_high | src[2][x] >> scale_low);
792 *dest++ = av_bswap16(src[3][x] << scale_high | src[3][x] >> scale_low);
795 for (x = 0; x < width; x++) {
796 *dest++ = av_bswap16(src[0][x] << scale_high | src[0][x] >> scale_low);
797 *dest++ = av_bswap16(src[1][x] << scale_high | src[1][x] >> scale_low);
798 *dest++ = av_bswap16(src[2][x] << scale_high | src[2][x] >> scale_low);
803 if (alpha && !src_alpha) {
804 for (x = 0; x < width; x++) {
805 *dest++ = av_bswap16(src[0][x]) << scale_high | av_bswap16(src[0][x]) >> scale_low;
806 *dest++ = av_bswap16(src[1][x]) << scale_high | av_bswap16(src[1][x]) >> scale_low;
807 *dest++ = av_bswap16(src[2][x]) << scale_high | av_bswap16(src[2][x]) >> scale_low;
810 } else if (alpha && src_alpha) {
811 for (x = 0; x < width; x++) {
812 *dest++ = av_bswap16(src[0][x]) << scale_high | av_bswap16(src[0][x]) >> scale_low;
813 *dest++ = av_bswap16(src[1][x]) << scale_high | av_bswap16(src[1][x]) >> scale_low;
814 *dest++ = av_bswap16(src[2][x]) << scale_high | av_bswap16(src[2][x]) >> scale_low;
815 *dest++ = av_bswap16(src[3][x]) << scale_high | av_bswap16(src[3][x]) >> scale_low;
818 for (x = 0; x < width; x++) {
819 *dest++ = av_bswap16(src[0][x]) << scale_high | av_bswap16(src[0][x]) >> scale_low;
820 *dest++ = av_bswap16(src[1][x]) << scale_high | av_bswap16(src[1][x]) >> scale_low;
821 *dest++ = av_bswap16(src[2][x]) << scale_high | av_bswap16(src[2][x]) >> scale_low;
826 if (alpha && !src_alpha) {
827 for (x = 0; x < width; x++) {
828 *dest++ = src[0][x] << scale_high | src[0][x] >> scale_low;
829 *dest++ = src[1][x] << scale_high | src[1][x] >> scale_low;
830 *dest++ = src[2][x] << scale_high | src[2][x] >> scale_low;
833 } else if (alpha && src_alpha) {
834 for (x = 0; x < width; x++) {
835 *dest++ = src[0][x] << scale_high | src[0][x] >> scale_low;
836 *dest++ = src[1][x] << scale_high | src[1][x] >> scale_low;
837 *dest++ = src[2][x] << scale_high | src[2][x] >> scale_low;
838 *dest++ = src[3][x] << scale_high | src[3][x] >> scale_low;
841 for (x = 0; x < width; x++) {
842 *dest++ = src[0][x] << scale_high | src[0][x] >> scale_low;
843 *dest++ = src[1][x] << scale_high | src[1][x] >> scale_low;
844 *dest++ = src[2][x] << scale_high | src[2][x] >> scale_low;
848 for (i = 0; i < 3 + src_alpha; i++)
849 src[i] += srcStride[i] >> 1;
853 static int planarRgb16ToRgb16Wrapper(SwsContext *c, const uint8_t *src[],
854 int srcStride[], int srcSliceY, int srcSliceH,
855 uint8_t *dst[], int dstStride[])
857 const uint16_t *src102[] = { (uint16_t *)src[1], (uint16_t *)src[0], (uint16_t *)src[2], (uint16_t *)src[3] };
858 const uint16_t *src201[] = { (uint16_t *)src[2], (uint16_t *)src[0], (uint16_t *)src[1], (uint16_t *)src[3] };
859 int stride102[] = { srcStride[1], srcStride[0], srcStride[2], srcStride[3] };
860 int stride201[] = { srcStride[2], srcStride[0], srcStride[1], srcStride[3] };
861 const AVPixFmtDescriptor *src_format = av_pix_fmt_desc_get(c->srcFormat);
862 const AVPixFmtDescriptor *dst_format = av_pix_fmt_desc_get(c->dstFormat);
863 int bits_per_sample = src_format->comp[0].depth;
865 if ( HAVE_BIGENDIAN && !(src_format->flags & AV_PIX_FMT_FLAG_BE) ||
866 !HAVE_BIGENDIAN && src_format->flags & AV_PIX_FMT_FLAG_BE)
868 if ( HAVE_BIGENDIAN && !(dst_format->flags & AV_PIX_FMT_FLAG_BE) ||
869 !HAVE_BIGENDIAN && dst_format->flags & AV_PIX_FMT_FLAG_BE)
872 if ((src_format->flags & (AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB)) !=
873 (AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB) ||
874 bits_per_sample <= 8) {
875 av_log(c, AV_LOG_ERROR, "unsupported planar RGB conversion %s -> %s\n",
876 src_format->name, dst_format->name);
879 switch (c->dstFormat) {
880 case AV_PIX_FMT_BGR48LE:
881 case AV_PIX_FMT_BGR48BE:
882 gbr16ptopacked16(src102, stride102,
883 dst[0] + srcSliceY * dstStride[0], dstStride[0],
884 srcSliceH, 0, swap, bits_per_sample, c->srcW);
886 case AV_PIX_FMT_RGB48LE:
887 case AV_PIX_FMT_RGB48BE:
888 gbr16ptopacked16(src201, stride201,
889 dst[0] + srcSliceY * dstStride[0], dstStride[0],
890 srcSliceH, 0, swap, bits_per_sample, c->srcW);
892 case AV_PIX_FMT_RGBA64LE:
893 case AV_PIX_FMT_RGBA64BE:
894 gbr16ptopacked16(src201, stride201,
895 dst[0] + srcSliceY * dstStride[0], dstStride[0],
896 srcSliceH, 1, swap, bits_per_sample, c->srcW);
898 case AV_PIX_FMT_BGRA64LE:
899 case AV_PIX_FMT_BGRA64BE:
900 gbr16ptopacked16(src102, stride102,
901 dst[0] + srcSliceY * dstStride[0], dstStride[0],
902 srcSliceH, 1, swap, bits_per_sample, c->srcW);
905 av_log(c, AV_LOG_ERROR,
906 "unsupported planar RGB conversion %s -> %s\n",
907 src_format->name, dst_format->name);
913 static void gbr24ptopacked24(const uint8_t *src[], int srcStride[],
914 uint8_t *dst, int dstStride, int srcSliceH,
918 for (h = 0; h < srcSliceH; h++) {
919 uint8_t *dest = dst + dstStride * h;
920 for (x = 0; x < width; x++) {
926 for (i = 0; i < 3; i++)
927 src[i] += srcStride[i];
931 static void gbr24ptopacked32(const uint8_t *src[], int srcStride[],
932 uint8_t *dst, int dstStride, int srcSliceH,
933 int alpha_first, int width)
936 for (h = 0; h < srcSliceH; h++) {
937 uint8_t *dest = dst + dstStride * h;
940 for (x = 0; x < width; x++) {
947 for (x = 0; x < width; x++) {
955 for (i = 0; i < 3; i++)
956 src[i] += srcStride[i];
960 static void gbraptopacked32(const uint8_t *src[], int srcStride[],
961 uint8_t *dst, int dstStride, int srcSliceH,
962 int alpha_first, int width)
965 for (h = 0; h < srcSliceH; h++) {
966 uint8_t *dest = dst + dstStride * h;
969 for (x = 0; x < width; x++) {
976 for (x = 0; x < width; x++) {
984 for (i = 0; i < 4; i++)
985 src[i] += srcStride[i];
989 static int planarRgbaToRgbWrapper(SwsContext *c, const uint8_t *src[],
990 int srcStride[], int srcSliceY, int srcSliceH,
991 uint8_t *dst[], int dstStride[])
994 const uint8_t *src102[] = { src[1], src[0], src[2], src[3] };
995 const uint8_t *src201[] = { src[2], src[0], src[1], src[3] };
996 int stride102[] = { srcStride[1], srcStride[0], srcStride[2], srcStride[3] };
997 int stride201[] = { srcStride[2], srcStride[0], srcStride[1], srcStride[3] };
999 if (c->srcFormat != AV_PIX_FMT_GBRAP) {
1000 av_log(c, AV_LOG_ERROR, "unsupported planar RGB conversion %s -> %s\n",
1001 av_get_pix_fmt_name(c->srcFormat),
1002 av_get_pix_fmt_name(c->dstFormat));
1006 switch (c->dstFormat) {
1007 case AV_PIX_FMT_BGR24:
1008 gbr24ptopacked24(src102, stride102,
1009 dst[0] + srcSliceY * dstStride[0], dstStride[0],
1010 srcSliceH, c->srcW);
1013 case AV_PIX_FMT_RGB24:
1014 gbr24ptopacked24(src201, stride201,
1015 dst[0] + srcSliceY * dstStride[0], dstStride[0],
1016 srcSliceH, c->srcW);
1019 case AV_PIX_FMT_ARGB:
1021 case AV_PIX_FMT_RGBA:
1022 gbraptopacked32(src201, stride201,
1023 dst[0] + srcSliceY * dstStride[0], dstStride[0],
1024 srcSliceH, alpha_first, c->srcW);
1027 case AV_PIX_FMT_ABGR:
1029 case AV_PIX_FMT_BGRA:
1030 gbraptopacked32(src102, stride102,
1031 dst[0] + srcSliceY * dstStride[0], dstStride[0],
1032 srcSliceH, alpha_first, c->srcW);
1036 av_log(c, AV_LOG_ERROR,
1037 "unsupported planar RGB conversion %s -> %s\n",
1038 av_get_pix_fmt_name(c->srcFormat),
1039 av_get_pix_fmt_name(c->dstFormat));
1045 static int planarRgbToRgbWrapper(SwsContext *c, const uint8_t *src[],
1046 int srcStride[], int srcSliceY, int srcSliceH,
1047 uint8_t *dst[], int dstStride[])
1049 int alpha_first = 0;
1050 const uint8_t *src102[] = { src[1], src[0], src[2] };
1051 const uint8_t *src201[] = { src[2], src[0], src[1] };
1052 int stride102[] = { srcStride[1], srcStride[0], srcStride[2] };
1053 int stride201[] = { srcStride[2], srcStride[0], srcStride[1] };
1055 if (c->srcFormat != AV_PIX_FMT_GBRP) {
1056 av_log(c, AV_LOG_ERROR, "unsupported planar RGB conversion %s -> %s\n",
1057 av_get_pix_fmt_name(c->srcFormat),
1058 av_get_pix_fmt_name(c->dstFormat));
1062 switch (c->dstFormat) {
1063 case AV_PIX_FMT_BGR24:
1064 gbr24ptopacked24(src102, stride102,
1065 dst[0] + srcSliceY * dstStride[0], dstStride[0],
1066 srcSliceH, c->srcW);
1069 case AV_PIX_FMT_RGB24:
1070 gbr24ptopacked24(src201, stride201,
1071 dst[0] + srcSliceY * dstStride[0], dstStride[0],
1072 srcSliceH, c->srcW);
1075 case AV_PIX_FMT_ARGB:
1077 case AV_PIX_FMT_RGBA:
1078 gbr24ptopacked32(src201, stride201,
1079 dst[0] + srcSliceY * dstStride[0], dstStride[0],
1080 srcSliceH, alpha_first, c->srcW);
1083 case AV_PIX_FMT_ABGR:
1085 case AV_PIX_FMT_BGRA:
1086 gbr24ptopacked32(src102, stride102,
1087 dst[0] + srcSliceY * dstStride[0], dstStride[0],
1088 srcSliceH, alpha_first, c->srcW);
1092 av_log(c, AV_LOG_ERROR,
1093 "unsupported planar RGB conversion %s -> %s\n",
1094 av_get_pix_fmt_name(c->srcFormat),
1095 av_get_pix_fmt_name(c->dstFormat));
1101 static int planarRgbToplanarRgbWrapper(SwsContext *c,
1102 const uint8_t *src[], int srcStride[],
1103 int srcSliceY, int srcSliceH,
1104 uint8_t *dst[], int dstStride[])
1106 copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
1107 dst[0], dstStride[0]);
1108 copyPlane(src[1], srcStride[1], srcSliceY, srcSliceH, c->srcW,
1109 dst[1], dstStride[1]);
1110 copyPlane(src[2], srcStride[2], srcSliceY, srcSliceH, c->srcW,
1111 dst[2], dstStride[2]);
1113 fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
1118 static void packedtogbr24p(const uint8_t *src, int srcStride,
1119 uint8_t *dst[], int dstStride[], int srcSliceH,
1120 int alpha_first, int inc_size, int width)
1132 for (h = 0; h < srcSliceH; h++) {
1133 for (x = 0; x < width; x++) {
1134 dest[0][x] = src[0];
1135 dest[1][x] = src[1];
1136 dest[2][x] = src[2];
1140 src += srcStride - width * inc_size;
1141 dest[0] += dstStride[0];
1142 dest[1] += dstStride[1];
1143 dest[2] += dstStride[2];
1147 static int rgbToPlanarRgbWrapper(SwsContext *c, const uint8_t *src[],
1148 int srcStride[], int srcSliceY, int srcSliceH,
1149 uint8_t *dst[], int dstStride[])
1151 int alpha_first = 0;
1152 int stride102[] = { dstStride[1], dstStride[0], dstStride[2] };
1153 int stride201[] = { dstStride[2], dstStride[0], dstStride[1] };
1154 uint8_t *dst102[] = { dst[1] + srcSliceY * dstStride[1],
1155 dst[0] + srcSliceY * dstStride[0],
1156 dst[2] + srcSliceY * dstStride[2] };
1157 uint8_t *dst201[] = { dst[2] + srcSliceY * dstStride[2],
1158 dst[0] + srcSliceY * dstStride[0],
1159 dst[1] + srcSliceY * dstStride[1] };
1161 switch (c->srcFormat) {
1162 case AV_PIX_FMT_RGB24:
1163 packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst201,
1164 stride201, srcSliceH, alpha_first, 3, c->srcW);
1166 case AV_PIX_FMT_BGR24:
1167 packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst102,
1168 stride102, srcSliceH, alpha_first, 3, c->srcW);
1170 case AV_PIX_FMT_ARGB:
1172 case AV_PIX_FMT_RGBA:
1173 packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst201,
1174 stride201, srcSliceH, alpha_first, 4, c->srcW);
1176 case AV_PIX_FMT_ABGR:
1178 case AV_PIX_FMT_BGRA:
1179 packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst102,
1180 stride102, srcSliceH, alpha_first, 4, c->srcW);
1183 av_log(c, AV_LOG_ERROR,
1184 "unsupported planar RGB conversion %s -> %s\n",
1185 av_get_pix_fmt_name(c->srcFormat),
1186 av_get_pix_fmt_name(c->dstFormat));
1194 #define BAYER_RENAME(x) bayer_gbrg8_to_##x
1195 #include "bayer_template.c"
1199 #define BAYER_RENAME(x) bayer_gbrg16le_to_##x
1200 #include "bayer_template.c"
1204 #define BAYER_RENAME(x) bayer_gbrg16be_to_##x
1205 #include "bayer_template.c"
1209 #define BAYER_RENAME(x) bayer_grbg8_to_##x
1210 #include "bayer_template.c"
1214 #define BAYER_RENAME(x) bayer_grbg16le_to_##x
1215 #include "bayer_template.c"
1219 #define BAYER_RENAME(x) bayer_grbg16be_to_##x
1220 #include "bayer_template.c"
1224 #define BAYER_RENAME(x) bayer_bggr8_to_##x
1225 #include "bayer_template.c"
1229 #define BAYER_RENAME(x) bayer_bggr16le_to_##x
1230 #include "bayer_template.c"
1234 #define BAYER_RENAME(x) bayer_bggr16be_to_##x
1235 #include "bayer_template.c"
1239 #define BAYER_RENAME(x) bayer_rggb8_to_##x
1240 #include "bayer_template.c"
1244 #define BAYER_RENAME(x) bayer_rggb16le_to_##x
1245 #include "bayer_template.c"
1249 #define BAYER_RENAME(x) bayer_rggb16be_to_##x
1250 #include "bayer_template.c"
1252 static int bayer_to_rgb24_wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
1253 int srcSliceH, uint8_t* dst[], int dstStride[])
1255 uint8_t *dstPtr= dst[0] + srcSliceY * dstStride[0];
1256 const uint8_t *srcPtr= src[0];
1258 void (*copy) (const uint8_t *src, int src_stride, uint8_t *dst, int dst_stride, int width);
1259 void (*interpolate)(const uint8_t *src, int src_stride, uint8_t *dst, int dst_stride, int width);
1261 switch(c->srcFormat) {
1262 #define CASE(pixfmt, prefix) \
1263 case pixfmt: copy = bayer_##prefix##_to_rgb24_copy; \
1264 interpolate = bayer_##prefix##_to_rgb24_interpolate; \
1266 CASE(AV_PIX_FMT_BAYER_BGGR8, bggr8)
1267 CASE(AV_PIX_FMT_BAYER_BGGR16LE, bggr16le)
1268 CASE(AV_PIX_FMT_BAYER_BGGR16BE, bggr16be)
1269 CASE(AV_PIX_FMT_BAYER_RGGB8, rggb8)
1270 CASE(AV_PIX_FMT_BAYER_RGGB16LE, rggb16le)
1271 CASE(AV_PIX_FMT_BAYER_RGGB16BE, rggb16be)
1272 CASE(AV_PIX_FMT_BAYER_GBRG8, gbrg8)
1273 CASE(AV_PIX_FMT_BAYER_GBRG16LE, gbrg16le)
1274 CASE(AV_PIX_FMT_BAYER_GBRG16BE, gbrg16be)
1275 CASE(AV_PIX_FMT_BAYER_GRBG8, grbg8)
1276 CASE(AV_PIX_FMT_BAYER_GRBG16LE, grbg16le)
1277 CASE(AV_PIX_FMT_BAYER_GRBG16BE, grbg16be)
1282 av_assert0(srcSliceH > 1);
1284 copy(srcPtr, srcStride[0], dstPtr, dstStride[0], c->srcW);
1285 srcPtr += 2 * srcStride[0];
1286 dstPtr += 2 * dstStride[0];
1288 for (i = 2; i < srcSliceH - 2; i += 2) {
1289 interpolate(srcPtr, srcStride[0], dstPtr, dstStride[0], c->srcW);
1290 srcPtr += 2 * srcStride[0];
1291 dstPtr += 2 * dstStride[0];
1294 if (i + 1 == srcSliceH) {
1295 copy(srcPtr, -srcStride[0], dstPtr, -dstStride[0], c->srcW);
1296 } else if (i < srcSliceH)
1297 copy(srcPtr, srcStride[0], dstPtr, dstStride[0], c->srcW);
1301 static int bayer_to_yv12_wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
1302 int srcSliceH, uint8_t* dst[], int dstStride[])
1304 const uint8_t *srcPtr= src[0];
1305 uint8_t *dstY= dst[0] + srcSliceY * dstStride[0];
1306 uint8_t *dstU= dst[1] + srcSliceY * dstStride[1] / 2;
1307 uint8_t *dstV= dst[2] + srcSliceY * dstStride[2] / 2;
1309 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);
1310 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);
1312 switch(c->srcFormat) {
1313 #define CASE(pixfmt, prefix) \
1314 case pixfmt: copy = bayer_##prefix##_to_yv12_copy; \
1315 interpolate = bayer_##prefix##_to_yv12_interpolate; \
1317 CASE(AV_PIX_FMT_BAYER_BGGR8, bggr8)
1318 CASE(AV_PIX_FMT_BAYER_BGGR16LE, bggr16le)
1319 CASE(AV_PIX_FMT_BAYER_BGGR16BE, bggr16be)
1320 CASE(AV_PIX_FMT_BAYER_RGGB8, rggb8)
1321 CASE(AV_PIX_FMT_BAYER_RGGB16LE, rggb16le)
1322 CASE(AV_PIX_FMT_BAYER_RGGB16BE, rggb16be)
1323 CASE(AV_PIX_FMT_BAYER_GBRG8, gbrg8)
1324 CASE(AV_PIX_FMT_BAYER_GBRG16LE, gbrg16le)
1325 CASE(AV_PIX_FMT_BAYER_GBRG16BE, gbrg16be)
1326 CASE(AV_PIX_FMT_BAYER_GRBG8, grbg8)
1327 CASE(AV_PIX_FMT_BAYER_GRBG16LE, grbg16le)
1328 CASE(AV_PIX_FMT_BAYER_GRBG16BE, grbg16be)
1333 av_assert0(srcSliceH > 1);
1335 copy(srcPtr, srcStride[0], dstY, dstU, dstV, dstStride[0], c->srcW, c->input_rgb2yuv_table);
1336 srcPtr += 2 * srcStride[0];
1337 dstY += 2 * dstStride[0];
1338 dstU += dstStride[1];
1339 dstV += dstStride[1];
1341 for (i = 2; i < srcSliceH - 2; i += 2) {
1342 interpolate(srcPtr, srcStride[0], dstY, dstU, dstV, dstStride[0], c->srcW, c->input_rgb2yuv_table);
1343 srcPtr += 2 * srcStride[0];
1344 dstY += 2 * dstStride[0];
1345 dstU += dstStride[1];
1346 dstV += dstStride[1];
1349 if (i + 1 == srcSliceH) {
1350 copy(srcPtr, -srcStride[0], dstY, dstU, dstV, -dstStride[0], c->srcW, c->input_rgb2yuv_table);
1351 } else if (i < srcSliceH)
1352 copy(srcPtr, srcStride[0], dstY, dstU, dstV, dstStride[0], c->srcW, c->input_rgb2yuv_table);
1356 #define isRGBA32(x) ( \
1357 (x) == AV_PIX_FMT_ARGB \
1358 || (x) == AV_PIX_FMT_RGBA \
1359 || (x) == AV_PIX_FMT_BGRA \
1360 || (x) == AV_PIX_FMT_ABGR \
1363 #define isRGBA64(x) ( \
1364 (x) == AV_PIX_FMT_RGBA64LE \
1365 || (x) == AV_PIX_FMT_RGBA64BE \
1366 || (x) == AV_PIX_FMT_BGRA64LE \
1367 || (x) == AV_PIX_FMT_BGRA64BE \
1370 #define isRGB48(x) ( \
1371 (x) == AV_PIX_FMT_RGB48LE \
1372 || (x) == AV_PIX_FMT_RGB48BE \
1373 || (x) == AV_PIX_FMT_BGR48LE \
1374 || (x) == AV_PIX_FMT_BGR48BE \
1377 /* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */
1378 typedef void (* rgbConvFn) (const uint8_t *, uint8_t *, int);
1379 static rgbConvFn findRgbConvFn(SwsContext *c)
1381 const enum AVPixelFormat srcFormat = c->srcFormat;
1382 const enum AVPixelFormat dstFormat = c->dstFormat;
1383 const int srcId = c->srcFormatBpp;
1384 const int dstId = c->dstFormatBpp;
1385 rgbConvFn conv = NULL;
1387 #define IS_NOT_NE(bpp, desc) \
1388 (((bpp + 7) >> 3) == 2 && \
1389 (!(desc->flags & AV_PIX_FMT_FLAG_BE) != !HAVE_BIGENDIAN))
1391 #define CONV_IS(src, dst) (srcFormat == AV_PIX_FMT_##src && dstFormat == AV_PIX_FMT_##dst)
1393 if (isRGBA32(srcFormat) && isRGBA32(dstFormat)) {
1394 if ( CONV_IS(ABGR, RGBA)
1395 || CONV_IS(ARGB, BGRA)
1396 || CONV_IS(BGRA, ARGB)
1397 || CONV_IS(RGBA, ABGR)) conv = shuffle_bytes_3210;
1398 else if (CONV_IS(ABGR, ARGB)
1399 || CONV_IS(ARGB, ABGR)) conv = shuffle_bytes_0321;
1400 else if (CONV_IS(ABGR, BGRA)
1401 || CONV_IS(ARGB, RGBA)) conv = shuffle_bytes_1230;
1402 else if (CONV_IS(BGRA, RGBA)
1403 || CONV_IS(RGBA, BGRA)) conv = shuffle_bytes_2103;
1404 else if (CONV_IS(BGRA, ABGR)
1405 || CONV_IS(RGBA, ARGB)) conv = shuffle_bytes_3012;
1406 } else if (isRGB48(srcFormat) && isRGB48(dstFormat)) {
1407 if (CONV_IS(RGB48LE, BGR48LE)
1408 || CONV_IS(BGR48LE, RGB48LE)
1409 || CONV_IS(RGB48BE, BGR48BE)
1410 || CONV_IS(BGR48BE, RGB48BE)) conv = rgb48tobgr48_nobswap;
1411 else if (CONV_IS(RGB48LE, BGR48BE)
1412 || CONV_IS(BGR48LE, RGB48BE)
1413 || CONV_IS(RGB48BE, BGR48LE)
1414 || CONV_IS(BGR48BE, RGB48LE)) conv = rgb48tobgr48_bswap;
1415 } else if (isRGB48(srcFormat) && isRGBA64(dstFormat)) {
1416 if (CONV_IS(RGB48LE, BGRA64LE)
1417 || CONV_IS(BGR48LE, RGBA64LE)
1418 || CONV_IS(RGB48BE, BGRA64BE)
1419 || CONV_IS(BGR48BE, RGBA64BE)) conv = rgb48tobgr64_nobswap;
1420 else if (CONV_IS(RGB48LE, BGRA64BE)
1421 || CONV_IS(BGR48LE, RGBA64BE)
1422 || CONV_IS(RGB48BE, BGRA64LE)
1423 || CONV_IS(BGR48BE, RGBA64LE)) conv = rgb48tobgr64_bswap;
1424 if (CONV_IS(RGB48LE, RGBA64LE)
1425 || CONV_IS(BGR48LE, BGRA64LE)
1426 || CONV_IS(RGB48BE, RGBA64BE)
1427 || CONV_IS(BGR48BE, BGRA64BE)) conv = rgb48to64_nobswap;
1428 else if (CONV_IS(RGB48LE, RGBA64BE)
1429 || CONV_IS(BGR48LE, BGRA64BE)
1430 || CONV_IS(RGB48BE, RGBA64LE)
1431 || CONV_IS(BGR48BE, BGRA64LE)) conv = rgb48to64_bswap;
1432 } else if (isRGBA64(srcFormat) && isRGB48(dstFormat)) {
1433 if (CONV_IS(RGBA64LE, BGR48LE)
1434 || CONV_IS(BGRA64LE, RGB48LE)
1435 || CONV_IS(RGBA64BE, BGR48BE)
1436 || CONV_IS(BGRA64BE, RGB48BE)) conv = rgb64tobgr48_nobswap;
1437 else if (CONV_IS(RGBA64LE, BGR48BE)
1438 || CONV_IS(BGRA64LE, RGB48BE)
1439 || CONV_IS(RGBA64BE, BGR48LE)
1440 || CONV_IS(BGRA64BE, RGB48LE)) conv = rgb64tobgr48_bswap;
1441 else if (CONV_IS(RGBA64LE, RGB48LE)
1442 || CONV_IS(BGRA64LE, BGR48LE)
1443 || CONV_IS(RGBA64BE, RGB48BE)
1444 || CONV_IS(BGRA64BE, BGR48BE)) conv = rgb64to48_nobswap;
1445 else if (CONV_IS(RGBA64LE, RGB48BE)
1446 || CONV_IS(BGRA64LE, BGR48BE)
1447 || CONV_IS(RGBA64BE, RGB48LE)
1448 || CONV_IS(BGRA64BE, BGR48LE)) conv = rgb64to48_bswap;
1451 if ((isBGRinInt(srcFormat) && isBGRinInt(dstFormat)) ||
1452 (isRGBinInt(srcFormat) && isRGBinInt(dstFormat))) {
1453 switch (srcId | (dstId << 16)) {
1454 case 0x000F000C: conv = rgb12to15; break;
1455 case 0x000F0010: conv = rgb16to15; break;
1456 case 0x000F0018: conv = rgb24to15; break;
1457 case 0x000F0020: conv = rgb32to15; break;
1458 case 0x0010000F: conv = rgb15to16; break;
1459 case 0x00100018: conv = rgb24to16; break;
1460 case 0x00100020: conv = rgb32to16; break;
1461 case 0x0018000F: conv = rgb15to24; break;
1462 case 0x00180010: conv = rgb16to24; break;
1463 case 0x00180020: conv = rgb32to24; break;
1464 case 0x0020000F: conv = rgb15to32; break;
1465 case 0x00200010: conv = rgb16to32; break;
1466 case 0x00200018: conv = rgb24to32; break;
1468 } else if ((isBGRinInt(srcFormat) && isRGBinInt(dstFormat)) ||
1469 (isRGBinInt(srcFormat) && isBGRinInt(dstFormat))) {
1470 switch (srcId | (dstId << 16)) {
1471 case 0x000C000C: conv = rgb12tobgr12; break;
1472 case 0x000F000F: conv = rgb15tobgr15; break;
1473 case 0x000F0010: conv = rgb16tobgr15; break;
1474 case 0x000F0018: conv = rgb24tobgr15; break;
1475 case 0x000F0020: conv = rgb32tobgr15; break;
1476 case 0x0010000F: conv = rgb15tobgr16; break;
1477 case 0x00100010: conv = rgb16tobgr16; break;
1478 case 0x00100018: conv = rgb24tobgr16; break;
1479 case 0x00100020: conv = rgb32tobgr16; break;
1480 case 0x0018000F: conv = rgb15tobgr24; break;
1481 case 0x00180010: conv = rgb16tobgr24; break;
1482 case 0x00180018: conv = rgb24tobgr24; break;
1483 case 0x00180020: conv = rgb32tobgr24; break;
1484 case 0x0020000F: conv = rgb15tobgr32; break;
1485 case 0x00200010: conv = rgb16tobgr32; break;
1486 case 0x00200018: conv = rgb24tobgr32; break;
1490 if ((dstFormat == AV_PIX_FMT_RGB32_1 || dstFormat == AV_PIX_FMT_BGR32_1) && !isRGBA32(srcFormat) && ALT32_CORR<0)
1493 // Maintain symmetry between endianness
1494 if (c->flags & SWS_BITEXACT)
1495 if ((dstFormat == AV_PIX_FMT_RGB32 || dstFormat == AV_PIX_FMT_BGR32 ) && !isRGBA32(srcFormat) && ALT32_CORR>0)
1501 /* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */
1502 static int rgbToRgbWrapper(SwsContext *c, const uint8_t *src[], int srcStride[],
1503 int srcSliceY, int srcSliceH, uint8_t *dst[],
1507 const enum AVPixelFormat srcFormat = c->srcFormat;
1508 const enum AVPixelFormat dstFormat = c->dstFormat;
1509 const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(c->srcFormat);
1510 const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(c->dstFormat);
1511 const int srcBpp = (c->srcFormatBpp + 7) >> 3;
1512 const int dstBpp = (c->dstFormatBpp + 7) >> 3;
1513 rgbConvFn conv = findRgbConvFn(c);
1516 av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
1517 av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat));
1519 const uint8_t *srcPtr = src[0];
1520 uint8_t *dstPtr = dst[0];
1521 int src_bswap = IS_NOT_NE(c->srcFormatBpp, desc_src);
1522 int dst_bswap = IS_NOT_NE(c->dstFormatBpp, desc_dst);
1524 if ((srcFormat == AV_PIX_FMT_RGB32_1 || srcFormat == AV_PIX_FMT_BGR32_1) &&
1525 !isRGBA32(dstFormat))
1526 srcPtr += ALT32_CORR;
1528 if ((dstFormat == AV_PIX_FMT_RGB32_1 || dstFormat == AV_PIX_FMT_BGR32_1) &&
1529 !isRGBA32(srcFormat)) {
1531 av_assert0(ALT32_CORR == 1);
1532 for (i = 0; i < srcSliceH; i++)
1533 dstPtr[dstStride[0] * (srcSliceY + i)] = 255;
1534 dstPtr += ALT32_CORR;
1537 if (dstStride[0] * srcBpp == srcStride[0] * dstBpp && srcStride[0] > 0 &&
1538 !(srcStride[0] % srcBpp) && !dst_bswap && !src_bswap)
1539 conv(srcPtr, dstPtr + dstStride[0] * srcSliceY,
1540 (srcSliceH - 1) * srcStride[0] + c->srcW * srcBpp);
1543 dstPtr += dstStride[0] * srcSliceY;
1545 for (i = 0; i < srcSliceH; i++) {
1547 for(j=0; j<c->srcW; j++)
1548 ((uint16_t*)c->formatConvBuffer)[j] = av_bswap16(((uint16_t*)srcPtr)[j]);
1549 conv(c->formatConvBuffer, dstPtr, c->srcW * srcBpp);
1551 conv(srcPtr, dstPtr, c->srcW * srcBpp);
1553 for(j=0; j<c->srcW; j++)
1554 ((uint16_t*)dstPtr)[j] = av_bswap16(((uint16_t*)dstPtr)[j]);
1555 srcPtr += srcStride[0];
1556 dstPtr += dstStride[0];
1563 static int bgr24ToYv12Wrapper(SwsContext *c, const uint8_t *src[],
1564 int srcStride[], int srcSliceY, int srcSliceH,
1565 uint8_t *dst[], int dstStride[])
1569 dst[0] + srcSliceY * dstStride[0],
1570 dst[1] + (srcSliceY >> 1) * dstStride[1],
1571 dst[2] + (srcSliceY >> 1) * dstStride[2],
1573 dstStride[0], dstStride[1], srcStride[0],
1574 c->input_rgb2yuv_table);
1576 fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
1580 static int yvu9ToYv12Wrapper(SwsContext *c, const uint8_t *src[],
1581 int srcStride[], int srcSliceY, int srcSliceH,
1582 uint8_t *dst[], int dstStride[])
1584 copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
1585 dst[0], dstStride[0]);
1587 planar2x(src[1], dst[1] + dstStride[1] * (srcSliceY >> 1), c->chrSrcW,
1588 srcSliceH >> 2, srcStride[1], dstStride[1]);
1589 planar2x(src[2], dst[2] + dstStride[2] * (srcSliceY >> 1), c->chrSrcW,
1590 srcSliceH >> 2, srcStride[2], dstStride[2]);
1592 fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
1596 static int uint_y_to_float_y_wrapper(SwsContext *c, const uint8_t *src[],
1597 int srcStride[], int srcSliceY,
1598 int srcSliceH, uint8_t *dst[], int dstStride[])
1601 ptrdiff_t dstStrideFloat = dstStride[0] >> 2;
1602 const uint8_t *srcPtr = src[0];
1603 float *dstPtr = (float *)(dst[0] + dstStride[0] * srcSliceY);
1605 for (y = 0; y < srcSliceH; ++y){
1606 for (x = 0; x < c->srcW; ++x){
1607 dstPtr[x] = c->uint2float_lut[srcPtr[x]];
1609 srcPtr += srcStride[0];
1610 dstPtr += dstStrideFloat;
1616 static int float_y_to_uint_y_wrapper(SwsContext *c, const uint8_t* src[],
1617 int srcStride[], int srcSliceY,
1618 int srcSliceH, uint8_t* dst[], int dstStride[])
1621 ptrdiff_t srcStrideFloat = srcStride[0] >> 2;
1622 const float *srcPtr = (const float *)src[0];
1623 uint8_t *dstPtr = dst[0] + dstStride[0] * srcSliceY;
1625 for (y = 0; y < srcSliceH; ++y){
1626 for (x = 0; x < c->srcW; ++x){
1627 dstPtr[x] = av_clip_uint8(lrintf(255.0f * srcPtr[x]));
1629 srcPtr += srcStrideFloat;
1630 dstPtr += dstStride[0];
1636 /* unscaled copy like stuff (assumes nearly identical formats) */
1637 static int packedCopyWrapper(SwsContext *c, const uint8_t *src[],
1638 int srcStride[], int srcSliceY, int srcSliceH,
1639 uint8_t *dst[], int dstStride[])
1641 if (dstStride[0] == srcStride[0] && srcStride[0] > 0)
1642 memcpy(dst[0] + dstStride[0] * srcSliceY, src[0], srcSliceH * dstStride[0]);
1645 const uint8_t *srcPtr = src[0];
1646 uint8_t *dstPtr = dst[0] + dstStride[0] * srcSliceY;
1649 /* universal length finder */
1650 while (length + c->srcW <= FFABS(dstStride[0]) &&
1651 length + c->srcW <= FFABS(srcStride[0]))
1653 av_assert1(length != 0);
1655 for (i = 0; i < srcSliceH; i++) {
1656 memcpy(dstPtr, srcPtr, length);
1657 srcPtr += srcStride[0];
1658 dstPtr += dstStride[0];
1664 #define DITHER_COPY(dst, dstStride, src, srcStride, bswap, dbswap)\
1665 unsigned shift= src_depth-dst_depth, tmp;\
1666 if (c->dither == SWS_DITHER_NONE) {\
1667 for (i = 0; i < height; i++) {\
1668 for (j = 0; j < length-7; j+=8) {\
1669 dst[j+0] = dbswap(bswap(src[j+0])>>shift);\
1670 dst[j+1] = dbswap(bswap(src[j+1])>>shift);\
1671 dst[j+2] = dbswap(bswap(src[j+2])>>shift);\
1672 dst[j+3] = dbswap(bswap(src[j+3])>>shift);\
1673 dst[j+4] = dbswap(bswap(src[j+4])>>shift);\
1674 dst[j+5] = dbswap(bswap(src[j+5])>>shift);\
1675 dst[j+6] = dbswap(bswap(src[j+6])>>shift);\
1676 dst[j+7] = dbswap(bswap(src[j+7])>>shift);\
1678 for (; j < length; j++) {\
1679 dst[j] = dbswap(bswap(src[j])>>shift);\
1684 } else if (shiftonly) {\
1685 for (i = 0; i < height; i++) {\
1686 const uint8_t *dither= dithers[shift-1][i&7];\
1687 for (j = 0; j < length-7; j+=8) {\
1688 tmp = (bswap(src[j+0]) + dither[0])>>shift; dst[j+0] = dbswap(tmp - (tmp>>dst_depth));\
1689 tmp = (bswap(src[j+1]) + dither[1])>>shift; dst[j+1] = dbswap(tmp - (tmp>>dst_depth));\
1690 tmp = (bswap(src[j+2]) + dither[2])>>shift; dst[j+2] = dbswap(tmp - (tmp>>dst_depth));\
1691 tmp = (bswap(src[j+3]) + dither[3])>>shift; dst[j+3] = dbswap(tmp - (tmp>>dst_depth));\
1692 tmp = (bswap(src[j+4]) + dither[4])>>shift; dst[j+4] = dbswap(tmp - (tmp>>dst_depth));\
1693 tmp = (bswap(src[j+5]) + dither[5])>>shift; dst[j+5] = dbswap(tmp - (tmp>>dst_depth));\
1694 tmp = (bswap(src[j+6]) + dither[6])>>shift; dst[j+6] = dbswap(tmp - (tmp>>dst_depth));\
1695 tmp = (bswap(src[j+7]) + dither[7])>>shift; dst[j+7] = dbswap(tmp - (tmp>>dst_depth));\
1697 for (; j < length; j++) {\
1698 tmp = (bswap(src[j]) + dither[j&7])>>shift; dst[j] = dbswap(tmp - (tmp>>dst_depth));\
1704 for (i = 0; i < height; i++) {\
1705 const uint8_t *dither= dithers[shift-1][i&7];\
1706 for (j = 0; j < length-7; j+=8) {\
1707 tmp = bswap(src[j+0]); dst[j+0] = dbswap((tmp - (tmp>>dst_depth) + dither[0])>>shift);\
1708 tmp = bswap(src[j+1]); dst[j+1] = dbswap((tmp - (tmp>>dst_depth) + dither[1])>>shift);\
1709 tmp = bswap(src[j+2]); dst[j+2] = dbswap((tmp - (tmp>>dst_depth) + dither[2])>>shift);\
1710 tmp = bswap(src[j+3]); dst[j+3] = dbswap((tmp - (tmp>>dst_depth) + dither[3])>>shift);\
1711 tmp = bswap(src[j+4]); dst[j+4] = dbswap((tmp - (tmp>>dst_depth) + dither[4])>>shift);\
1712 tmp = bswap(src[j+5]); dst[j+5] = dbswap((tmp - (tmp>>dst_depth) + dither[5])>>shift);\
1713 tmp = bswap(src[j+6]); dst[j+6] = dbswap((tmp - (tmp>>dst_depth) + dither[6])>>shift);\
1714 tmp = bswap(src[j+7]); dst[j+7] = dbswap((tmp - (tmp>>dst_depth) + dither[7])>>shift);\
1716 for (; j < length; j++) {\
1717 tmp = bswap(src[j]); dst[j] = dbswap((tmp - (tmp>>dst_depth) + dither[j&7])>>shift);\
1724 static int planarCopyWrapper(SwsContext *c, const uint8_t *src[],
1725 int srcStride[], int srcSliceY, int srcSliceH,
1726 uint8_t *dst[], int dstStride[])
1728 const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(c->srcFormat);
1729 const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(c->dstFormat);
1731 for (plane = 0; plane < 4; plane++) {
1732 int length = (plane == 0 || plane == 3) ? c->srcW : AV_CEIL_RSHIFT(c->srcW, c->chrDstHSubSample);
1733 int y = (plane == 0 || plane == 3) ? srcSliceY: AV_CEIL_RSHIFT(srcSliceY, c->chrDstVSubSample);
1734 int height = (plane == 0 || plane == 3) ? srcSliceH: AV_CEIL_RSHIFT(srcSliceH, c->chrDstVSubSample);
1735 const uint8_t *srcPtr = src[plane];
1736 uint8_t *dstPtr = dst[plane] + dstStride[plane] * y;
1737 int shiftonly = plane == 1 || plane == 2 || (!c->srcRange && plane == 0);
1741 // ignore palette for GRAY8
1742 if (plane == 1 && !dst[2]) continue;
1743 if (!src[plane] || (plane == 1 && !src[2])) {
1744 if (is16BPS(c->dstFormat) || isNBPS(c->dstFormat)) {
1745 fillPlane16(dst[plane], dstStride[plane], length, height, y,
1746 plane == 3, desc_dst->comp[plane].depth,
1747 isBE(c->dstFormat));
1749 fillPlane(dst[plane], dstStride[plane], length, height, y,
1750 (plane == 3) ? 255 : 128);
1753 if(isNBPS(c->srcFormat) || isNBPS(c->dstFormat)
1754 || (is16BPS(c->srcFormat) != is16BPS(c->dstFormat))
1756 const int src_depth = desc_src->comp[plane].depth;
1757 const int dst_depth = desc_dst->comp[plane].depth;
1758 const uint16_t *srcPtr2 = (const uint16_t *) srcPtr;
1759 uint16_t *dstPtr2 = (uint16_t*)dstPtr;
1761 if (dst_depth == 8) {
1762 if(isBE(c->srcFormat) == HAVE_BIGENDIAN){
1763 DITHER_COPY(dstPtr, dstStride[plane], srcPtr2, srcStride[plane]/2, , )
1765 DITHER_COPY(dstPtr, dstStride[plane], srcPtr2, srcStride[plane]/2, av_bswap16, )
1767 } else if (src_depth == 8) {
1768 for (i = 0; i < height; i++) {
1771 for (j = 0; j < length; j++)\
1772 w(&dstPtr2[j], srcPtr[j]<<(dst_depth-8));\
1774 for (j = 0; j < length; j++)\
1775 w(&dstPtr2[j], (srcPtr[j]<<(dst_depth-8)) |\
1776 (srcPtr[j]>>(2*8-dst_depth)));\
1778 if(isBE(c->dstFormat)){
1783 dstPtr2 += dstStride[plane]/2;
1784 srcPtr += srcStride[plane];
1786 } else if (src_depth <= dst_depth) {
1787 for (i = 0; i < height; i++) {
1789 if(isBE(c->srcFormat) == HAVE_BIGENDIAN &&
1790 isBE(c->dstFormat) == HAVE_BIGENDIAN &&
1792 unsigned shift = dst_depth - src_depth;
1794 #define FAST_COPY_UP(shift) \
1795 for (; j < length - 3; j += 4) { \
1796 uint64_t v = AV_RN64A(srcPtr2 + j); \
1797 AV_WN64A(dstPtr2 + j, v << shift); \
1800 #define FAST_COPY_UP(shift) \
1801 for (; j < length - 1; j += 2) { \
1802 uint32_t v = AV_RN32A(srcPtr2 + j); \
1803 AV_WN32A(dstPtr2 + j, v << shift); \
1808 case 6: FAST_COPY_UP(6); break;
1809 case 7: FAST_COPY_UP(7); break;
1812 #define COPY_UP(r,w) \
1814 for (; j < length; j++){ \
1815 unsigned int v= r(&srcPtr2[j]);\
1816 w(&dstPtr2[j], v<<(dst_depth-src_depth));\
1819 for (; j < length; j++){ \
1820 unsigned int v= r(&srcPtr2[j]);\
1821 w(&dstPtr2[j], (v<<(dst_depth-src_depth)) | \
1822 (v>>(2*src_depth-dst_depth)));\
1825 if(isBE(c->srcFormat)){
1826 if(isBE(c->dstFormat)){
1827 COPY_UP(AV_RB16, AV_WB16)
1829 COPY_UP(AV_RB16, AV_WL16)
1832 if(isBE(c->dstFormat)){
1833 COPY_UP(AV_RL16, AV_WB16)
1835 COPY_UP(AV_RL16, AV_WL16)
1838 dstPtr2 += dstStride[plane]/2;
1839 srcPtr2 += srcStride[plane]/2;
1842 if(isBE(c->srcFormat) == HAVE_BIGENDIAN){
1843 if(isBE(c->dstFormat) == HAVE_BIGENDIAN){
1844 DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, , )
1846 DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, , av_bswap16)
1849 if(isBE(c->dstFormat) == HAVE_BIGENDIAN){
1850 DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, av_bswap16, )
1852 DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, av_bswap16, av_bswap16)
1856 } else if (is16BPS(c->srcFormat) && is16BPS(c->dstFormat) &&
1857 isBE(c->srcFormat) != isBE(c->dstFormat)) {
1859 for (i = 0; i < height; i++) {
1860 for (j = 0; j < length; j++)
1861 ((uint16_t *) dstPtr)[j] = av_bswap16(((const uint16_t *) srcPtr)[j]);
1862 srcPtr += srcStride[plane];
1863 dstPtr += dstStride[plane];
1865 } else if (isFloat(c->srcFormat) && isFloat(c->dstFormat) &&
1866 isBE(c->srcFormat) != isBE(c->dstFormat)) { /* swap float plane */
1867 for (i = 0; i < height; i++) {
1868 for (j = 0; j < length; j++)
1869 ((uint32_t *) dstPtr)[j] = av_bswap32(((const uint32_t *) srcPtr)[j]);
1870 srcPtr += srcStride[plane];
1871 dstPtr += dstStride[plane];
1873 } else if (dstStride[plane] == srcStride[plane] &&
1874 srcStride[plane] > 0 && srcStride[plane] == length) {
1875 memcpy(dst[plane] + dstStride[plane] * y, src[plane],
1876 height * dstStride[plane]);
1878 if (is16BPS(c->srcFormat) && is16BPS(c->dstFormat))
1880 else if (desc_src->comp[0].depth == 1)
1881 length >>= 3; // monowhite/black
1882 for (i = 0; i < height; i++) {
1883 memcpy(dstPtr, srcPtr, length);
1884 srcPtr += srcStride[plane];
1885 dstPtr += dstStride[plane];
1894 #define IS_DIFFERENT_ENDIANESS(src_fmt, dst_fmt, pix_fmt) \
1895 ((src_fmt == pix_fmt ## BE && dst_fmt == pix_fmt ## LE) || \
1896 (src_fmt == pix_fmt ## LE && dst_fmt == pix_fmt ## BE))
1899 void ff_get_unscaled_swscale(SwsContext *c)
1901 const enum AVPixelFormat srcFormat = c->srcFormat;
1902 const enum AVPixelFormat dstFormat = c->dstFormat;
1903 const int flags = c->flags;
1904 const int dstH = c->dstH;
1907 needsDither = isAnyRGB(dstFormat) &&
1908 c->dstFormatBpp < 24 &&
1909 (c->dstFormatBpp < c->srcFormatBpp || (!isAnyRGB(srcFormat)));
1912 if ((srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUVA420P) &&
1913 (dstFormat == AV_PIX_FMT_NV12 || dstFormat == AV_PIX_FMT_NV21)) {
1914 c->swscale = planarToNv12Wrapper;
1917 if ((srcFormat == AV_PIX_FMT_YUV444P || srcFormat == AV_PIX_FMT_YUVA444P) &&
1918 (dstFormat == AV_PIX_FMT_NV24 || dstFormat == AV_PIX_FMT_NV42)) {
1919 c->swscale = planarToNv24Wrapper;
1922 if (dstFormat == AV_PIX_FMT_YUV420P &&
1923 (srcFormat == AV_PIX_FMT_NV12 || srcFormat == AV_PIX_FMT_NV21)) {
1924 c->swscale = nv12ToPlanarWrapper;
1927 if (dstFormat == AV_PIX_FMT_YUV444P &&
1928 (srcFormat == AV_PIX_FMT_NV24 || srcFormat == AV_PIX_FMT_NV42)) {
1929 c->swscale = nv24ToPlanarWrapper;
1932 if ((srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUV422P ||
1933 srcFormat == AV_PIX_FMT_YUVA420P) && isAnyRGB(dstFormat) &&
1934 !(flags & SWS_ACCURATE_RND) && (c->dither == SWS_DITHER_BAYER || c->dither == SWS_DITHER_AUTO) && !(dstH & 1)) {
1935 c->swscale = ff_yuv2rgb_get_func_ptr(c);
1937 /* yuv420p1x_to_p01x */
1938 if ((srcFormat == AV_PIX_FMT_YUV420P10 || srcFormat == AV_PIX_FMT_YUVA420P10 ||
1939 srcFormat == AV_PIX_FMT_YUV420P12 ||
1940 srcFormat == AV_PIX_FMT_YUV420P14 ||
1941 srcFormat == AV_PIX_FMT_YUV420P16 || srcFormat == AV_PIX_FMT_YUVA420P16) &&
1942 (dstFormat == AV_PIX_FMT_P010 || dstFormat == AV_PIX_FMT_P016)) {
1943 c->swscale = planarToP01xWrapper;
1945 /* yuv420p_to_p01xle */
1946 if ((srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUVA420P) &&
1947 (dstFormat == AV_PIX_FMT_P010LE || dstFormat == AV_PIX_FMT_P016LE)) {
1948 c->swscale = planar8ToP01xleWrapper;
1951 if (srcFormat == AV_PIX_FMT_YUV410P && !(dstH & 3) &&
1952 (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P) &&
1953 !(flags & SWS_BITEXACT)) {
1954 c->swscale = yvu9ToYv12Wrapper;
1958 if (srcFormat == AV_PIX_FMT_BGR24 &&
1959 (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P) &&
1960 !(flags & SWS_ACCURATE_RND))
1961 c->swscale = bgr24ToYv12Wrapper;
1963 /* RGB/BGR -> RGB/BGR (no dither needed forms) */
1964 if (isAnyRGB(srcFormat) && isAnyRGB(dstFormat) && findRgbConvFn(c)
1965 && (!needsDither || (c->flags&(SWS_FAST_BILINEAR|SWS_POINT))))
1966 c->swscale = rgbToRgbWrapper;
1968 /* RGB to planar RGB */
1969 if ((srcFormat == AV_PIX_FMT_GBRP && dstFormat == AV_PIX_FMT_GBRAP) ||
1970 (srcFormat == AV_PIX_FMT_GBRAP && dstFormat == AV_PIX_FMT_GBRP))
1971 c->swscale = planarRgbToplanarRgbWrapper;
1973 #define isByteRGB(f) ( \
1974 f == AV_PIX_FMT_RGB32 || \
1975 f == AV_PIX_FMT_RGB32_1 || \
1976 f == AV_PIX_FMT_RGB24 || \
1977 f == AV_PIX_FMT_BGR32 || \
1978 f == AV_PIX_FMT_BGR32_1 || \
1979 f == AV_PIX_FMT_BGR24)
1981 if (srcFormat == AV_PIX_FMT_GBRP && isPlanar(srcFormat) && isByteRGB(dstFormat))
1982 c->swscale = planarRgbToRgbWrapper;
1984 if (srcFormat == AV_PIX_FMT_GBRAP && isByteRGB(dstFormat))
1985 c->swscale = planarRgbaToRgbWrapper;
1987 if ((srcFormat == AV_PIX_FMT_RGB48LE || srcFormat == AV_PIX_FMT_RGB48BE ||
1988 srcFormat == AV_PIX_FMT_BGR48LE || srcFormat == AV_PIX_FMT_BGR48BE ||
1989 srcFormat == AV_PIX_FMT_RGBA64LE || srcFormat == AV_PIX_FMT_RGBA64BE ||
1990 srcFormat == AV_PIX_FMT_BGRA64LE || srcFormat == AV_PIX_FMT_BGRA64BE) &&
1991 (dstFormat == AV_PIX_FMT_GBRP9LE || dstFormat == AV_PIX_FMT_GBRP9BE ||
1992 dstFormat == AV_PIX_FMT_GBRP10LE || dstFormat == AV_PIX_FMT_GBRP10BE ||
1993 dstFormat == AV_PIX_FMT_GBRP12LE || dstFormat == AV_PIX_FMT_GBRP12BE ||
1994 dstFormat == AV_PIX_FMT_GBRP14LE || dstFormat == AV_PIX_FMT_GBRP14BE ||
1995 dstFormat == AV_PIX_FMT_GBRP16LE || dstFormat == AV_PIX_FMT_GBRP16BE ||
1996 dstFormat == AV_PIX_FMT_GBRAP10LE || dstFormat == AV_PIX_FMT_GBRAP10BE ||
1997 dstFormat == AV_PIX_FMT_GBRAP12LE || dstFormat == AV_PIX_FMT_GBRAP12BE ||
1998 dstFormat == AV_PIX_FMT_GBRAP16LE || dstFormat == AV_PIX_FMT_GBRAP16BE ))
1999 c->swscale = Rgb16ToPlanarRgb16Wrapper;
2001 if ((srcFormat == AV_PIX_FMT_GBRP9LE || srcFormat == AV_PIX_FMT_GBRP9BE ||
2002 srcFormat == AV_PIX_FMT_GBRP16LE || srcFormat == AV_PIX_FMT_GBRP16BE ||
2003 srcFormat == AV_PIX_FMT_GBRP10LE || srcFormat == AV_PIX_FMT_GBRP10BE ||
2004 srcFormat == AV_PIX_FMT_GBRP12LE || srcFormat == AV_PIX_FMT_GBRP12BE ||
2005 srcFormat == AV_PIX_FMT_GBRP14LE || srcFormat == AV_PIX_FMT_GBRP14BE ||
2006 srcFormat == AV_PIX_FMT_GBRAP10LE || srcFormat == AV_PIX_FMT_GBRAP10BE ||
2007 srcFormat == AV_PIX_FMT_GBRAP12LE || srcFormat == AV_PIX_FMT_GBRAP12BE ||
2008 srcFormat == AV_PIX_FMT_GBRAP16LE || srcFormat == AV_PIX_FMT_GBRAP16BE) &&
2009 (dstFormat == AV_PIX_FMT_RGB48LE || dstFormat == AV_PIX_FMT_RGB48BE ||
2010 dstFormat == AV_PIX_FMT_BGR48LE || dstFormat == AV_PIX_FMT_BGR48BE ||
2011 dstFormat == AV_PIX_FMT_RGBA64LE || dstFormat == AV_PIX_FMT_RGBA64BE ||
2012 dstFormat == AV_PIX_FMT_BGRA64LE || dstFormat == AV_PIX_FMT_BGRA64BE))
2013 c->swscale = planarRgb16ToRgb16Wrapper;
2015 if (av_pix_fmt_desc_get(srcFormat)->comp[0].depth == 8 &&
2016 isPackedRGB(srcFormat) && dstFormat == AV_PIX_FMT_GBRP)
2017 c->swscale = rgbToPlanarRgbWrapper;
2019 if (isBayer(srcFormat)) {
2020 if (dstFormat == AV_PIX_FMT_RGB24)
2021 c->swscale = bayer_to_rgb24_wrapper;
2022 else if (dstFormat == AV_PIX_FMT_YUV420P)
2023 c->swscale = bayer_to_yv12_wrapper;
2024 else if (!isBayer(dstFormat)) {
2025 av_log(c, AV_LOG_ERROR, "unsupported bayer conversion\n");
2030 /* bswap 16 bits per pixel/component packed formats */
2031 if (IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BAYER_BGGR16) ||
2032 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BAYER_RGGB16) ||
2033 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BAYER_GBRG16) ||
2034 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BAYER_GRBG16) ||
2035 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR444) ||
2036 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR48) ||
2037 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR555) ||
2038 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR565) ||
2039 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGRA64) ||
2040 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY9) ||
2041 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY10) ||
2042 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY12) ||
2043 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY14) ||
2044 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY16) ||
2045 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YA16) ||
2046 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_AYUV64) ||
2047 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP9) ||
2048 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP10) ||
2049 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP12) ||
2050 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP14) ||
2051 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP16) ||
2052 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRAP10) ||
2053 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRAP12) ||
2054 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRAP16) ||
2055 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB444) ||
2056 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB48) ||
2057 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB555) ||
2058 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB565) ||
2059 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGBA64) ||
2060 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_XYZ12) ||
2061 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P9) ||
2062 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P10) ||
2063 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P12) ||
2064 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P14) ||
2065 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P16) ||
2066 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P9) ||
2067 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P10) ||
2068 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P12) ||
2069 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P14) ||
2070 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P16) ||
2071 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV440P10) ||
2072 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV440P12) ||
2073 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P9) ||
2074 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P10) ||
2075 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P12) ||
2076 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P14) ||
2077 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P16))
2078 c->swscale = bswap_16bpc;
2080 if (usePal(srcFormat) && isByteRGB(dstFormat))
2081 c->swscale = palToRgbWrapper;
2083 if (srcFormat == AV_PIX_FMT_YUV422P) {
2084 if (dstFormat == AV_PIX_FMT_YUYV422)
2085 c->swscale = yuv422pToYuy2Wrapper;
2086 else if (dstFormat == AV_PIX_FMT_UYVY422)
2087 c->swscale = yuv422pToUyvyWrapper;
2090 /* uint Y to float Y */
2091 if (srcFormat == AV_PIX_FMT_GRAY8 && dstFormat == AV_PIX_FMT_GRAYF32){
2092 c->swscale = uint_y_to_float_y_wrapper;
2095 /* float Y to uint Y */
2096 if (srcFormat == AV_PIX_FMT_GRAYF32 && dstFormat == AV_PIX_FMT_GRAY8){
2097 c->swscale = float_y_to_uint_y_wrapper;
2100 /* LQ converters if -sws 0 or -sws 4*/
2101 if (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)) {
2103 if (srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUVA420P) {
2104 if (dstFormat == AV_PIX_FMT_YUYV422)
2105 c->swscale = planarToYuy2Wrapper;
2106 else if (dstFormat == AV_PIX_FMT_UYVY422)
2107 c->swscale = planarToUyvyWrapper;
2110 if (srcFormat == AV_PIX_FMT_YUYV422 &&
2111 (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P))
2112 c->swscale = yuyvToYuv420Wrapper;
2113 if (srcFormat == AV_PIX_FMT_UYVY422 &&
2114 (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P))
2115 c->swscale = uyvyToYuv420Wrapper;
2116 if (srcFormat == AV_PIX_FMT_YUYV422 && dstFormat == AV_PIX_FMT_YUV422P)
2117 c->swscale = yuyvToYuv422Wrapper;
2118 if (srcFormat == AV_PIX_FMT_UYVY422 && dstFormat == AV_PIX_FMT_YUV422P)
2119 c->swscale = uyvyToYuv422Wrapper;
2121 #define isPlanarGray(x) (isGray(x) && (x) != AV_PIX_FMT_YA8 && (x) != AV_PIX_FMT_YA16LE && (x) != AV_PIX_FMT_YA16BE)
2123 if ( srcFormat == dstFormat ||
2124 (srcFormat == AV_PIX_FMT_YUVA420P && dstFormat == AV_PIX_FMT_YUV420P) ||
2125 (srcFormat == AV_PIX_FMT_YUV420P && dstFormat == AV_PIX_FMT_YUVA420P) ||
2126 (isFloat(srcFormat) == isFloat(dstFormat)) && ((isPlanarYUV(srcFormat) && isPlanarGray(dstFormat)) ||
2127 (isPlanarYUV(dstFormat) && isPlanarGray(srcFormat)) ||
2128 (isPlanarGray(dstFormat) && isPlanarGray(srcFormat)) ||
2129 (isPlanarYUV(srcFormat) && isPlanarYUV(dstFormat) &&
2130 c->chrDstHSubSample == c->chrSrcHSubSample &&
2131 c->chrDstVSubSample == c->chrSrcVSubSample &&
2132 !isSemiPlanarYUV(srcFormat) && !isSemiPlanarYUV(dstFormat))))
2134 if (isPacked(c->srcFormat))
2135 c->swscale = packedCopyWrapper;
2136 else /* Planar YUV or gray */
2137 c->swscale = planarCopyWrapper;
2141 ff_get_unscaled_swscale_ppc(c);
2143 ff_get_unscaled_swscale_arm(c);
2145 ff_get_unscaled_swscale_aarch64(c);
2148 /* Convert the palette to the same packed 32-bit format as the palette */
2149 void sws_convertPalette8ToPacked32(const uint8_t *src, uint8_t *dst,
2150 int num_pixels, const uint8_t *palette)
2154 for (i = 0; i < num_pixels; i++)
2155 ((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i]];
2158 /* Palette format: ABCD -> dst format: ABC */
2159 void sws_convertPalette8ToPacked24(const uint8_t *src, uint8_t *dst,
2160 int num_pixels, const uint8_t *palette)
2164 for (i = 0; i < num_pixels; i++) {
2166 dst[0] = palette[src[i] * 4 + 0];
2167 dst[1] = palette[src[i] * 4 + 1];
2168 dst[2] = palette[src[i] * 4 + 2];