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->srcW / 2, srcSliceH / 2,
154 srcStride[1], srcStride[2], dstStride[1]);
156 interleaveBytes(src[2], src[1], dst, c->srcW / 2, srcSliceH / 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->srcW / 2, srcSliceH / 2,
175 srcStride[1], dstStride[1], dstStride[2]);
177 deinterleaveBytes(src[1], dst2, dst1, c->srcW / 2, srcSliceH / 2,
178 srcStride[1], dstStride[2], dstStride[1]);
183 static int planarToP01xWrapper(SwsContext *c, const uint8_t *src8[],
184 int srcStride[], int srcSliceY,
185 int srcSliceH, uint8_t *dstParam8[],
188 const AVPixFmtDescriptor *src_format = av_pix_fmt_desc_get(c->srcFormat);
189 const AVPixFmtDescriptor *dst_format = av_pix_fmt_desc_get(c->dstFormat);
190 const uint16_t **src = (const uint16_t**)src8;
191 uint16_t *dstY = (uint16_t*)(dstParam8[0] + dstStride[0] * srcSliceY);
192 uint16_t *dstUV = (uint16_t*)(dstParam8[1] + dstStride[1] * srcSliceY / 2);
195 /* Calculate net shift required for values. */
196 const int shift[3] = {
197 dst_format->comp[0].depth + dst_format->comp[0].shift -
198 src_format->comp[0].depth - src_format->comp[0].shift,
199 dst_format->comp[1].depth + dst_format->comp[1].shift -
200 src_format->comp[1].depth - src_format->comp[1].shift,
201 dst_format->comp[2].depth + dst_format->comp[2].shift -
202 src_format->comp[2].depth - src_format->comp[2].shift,
205 av_assert0(!(srcStride[0] % 2 || srcStride[1] % 2 || srcStride[2] % 2 ||
206 dstStride[0] % 2 || dstStride[1] % 2));
208 for (y = 0; y < srcSliceH; y++) {
209 uint16_t *tdstY = dstY;
210 const uint16_t *tsrc0 = src[0];
211 for (x = c->srcW; x > 0; x--) {
212 *tdstY++ = *tsrc0++ << shift[0];
214 src[0] += srcStride[0] / 2;
215 dstY += dstStride[0] / 2;
218 uint16_t *tdstUV = dstUV;
219 const uint16_t *tsrc1 = src[1];
220 const uint16_t *tsrc2 = src[2];
221 for (x = c->srcW / 2; x > 0; x--) {
222 *tdstUV++ = *tsrc1++ << shift[1];
223 *tdstUV++ = *tsrc2++ << shift[2];
225 src[1] += srcStride[1] / 2;
226 src[2] += srcStride[2] / 2;
227 dstUV += dstStride[1] / 2;
234 #if AV_HAVE_BIGENDIAN
235 #define output_pixel(p, v) do { \
236 uint16_t *pp = (p); \
240 #define output_pixel(p, v) (*p) = (v)
243 static int planar8ToP01xleWrapper(SwsContext *c, const uint8_t *src[],
244 int srcStride[], int srcSliceY,
245 int srcSliceH, uint8_t *dstParam8[],
248 uint16_t *dstY = (uint16_t*)(dstParam8[0] + dstStride[0] * srcSliceY);
249 uint16_t *dstUV = (uint16_t*)(dstParam8[1] + dstStride[1] * srcSliceY / 2);
252 av_assert0(!(dstStride[0] % 2 || dstStride[1] % 2));
254 for (y = 0; y < srcSliceH; y++) {
255 uint16_t *tdstY = dstY;
256 const uint8_t *tsrc0 = src[0];
257 for (x = c->srcW; x > 0; x--) {
259 output_pixel(tdstY++, t | (t << 8));
261 src[0] += srcStride[0];
262 dstY += dstStride[0] / 2;
265 uint16_t *tdstUV = dstUV;
266 const uint8_t *tsrc1 = src[1];
267 const uint8_t *tsrc2 = src[2];
268 for (x = c->srcW / 2; x > 0; x--) {
270 output_pixel(tdstUV++, t | (t << 8));
272 output_pixel(tdstUV++, t | (t << 8));
274 src[1] += srcStride[1];
275 src[2] += srcStride[2];
276 dstUV += dstStride[1] / 2;
285 static int planarToYuy2Wrapper(SwsContext *c, const uint8_t *src[],
286 int srcStride[], int srcSliceY, int srcSliceH,
287 uint8_t *dstParam[], int dstStride[])
289 uint8_t *dst = dstParam[0] + dstStride[0] * srcSliceY;
291 yv12toyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0],
292 srcStride[1], dstStride[0]);
297 static int planarToUyvyWrapper(SwsContext *c, const uint8_t *src[],
298 int srcStride[], int srcSliceY, int srcSliceH,
299 uint8_t *dstParam[], int dstStride[])
301 uint8_t *dst = dstParam[0] + dstStride[0] * srcSliceY;
303 yv12touyvy(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0],
304 srcStride[1], dstStride[0]);
309 static int yuv422pToYuy2Wrapper(SwsContext *c, const uint8_t *src[],
310 int srcStride[], int srcSliceY, int srcSliceH,
311 uint8_t *dstParam[], int dstStride[])
313 uint8_t *dst = dstParam[0] + dstStride[0] * srcSliceY;
315 yuv422ptoyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0],
316 srcStride[1], dstStride[0]);
321 static int yuv422pToUyvyWrapper(SwsContext *c, const uint8_t *src[],
322 int srcStride[], int srcSliceY, int srcSliceH,
323 uint8_t *dstParam[], int dstStride[])
325 uint8_t *dst = dstParam[0] + dstStride[0] * srcSliceY;
327 yuv422ptouyvy(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0],
328 srcStride[1], dstStride[0]);
333 static int yuyvToYuv420Wrapper(SwsContext *c, const uint8_t *src[],
334 int srcStride[], int srcSliceY, int srcSliceH,
335 uint8_t *dstParam[], int dstStride[])
337 uint8_t *ydst = dstParam[0] + dstStride[0] * srcSliceY;
338 uint8_t *udst = dstParam[1] + dstStride[1] * srcSliceY / 2;
339 uint8_t *vdst = dstParam[2] + dstStride[2] * srcSliceY / 2;
341 yuyvtoyuv420(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0],
342 dstStride[1], srcStride[0]);
345 fillPlane(dstParam[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
350 static int yuyvToYuv422Wrapper(SwsContext *c, const uint8_t *src[],
351 int srcStride[], int srcSliceY, int srcSliceH,
352 uint8_t *dstParam[], int dstStride[])
354 uint8_t *ydst = dstParam[0] + dstStride[0] * srcSliceY;
355 uint8_t *udst = dstParam[1] + dstStride[1] * srcSliceY;
356 uint8_t *vdst = dstParam[2] + dstStride[2] * srcSliceY;
358 yuyvtoyuv422(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0],
359 dstStride[1], srcStride[0]);
364 static int uyvyToYuv420Wrapper(SwsContext *c, const uint8_t *src[],
365 int srcStride[], int srcSliceY, int srcSliceH,
366 uint8_t *dstParam[], int dstStride[])
368 uint8_t *ydst = dstParam[0] + dstStride[0] * srcSliceY;
369 uint8_t *udst = dstParam[1] + dstStride[1] * srcSliceY / 2;
370 uint8_t *vdst = dstParam[2] + dstStride[2] * srcSliceY / 2;
372 uyvytoyuv420(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0],
373 dstStride[1], srcStride[0]);
376 fillPlane(dstParam[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
381 static int uyvyToYuv422Wrapper(SwsContext *c, const uint8_t *src[],
382 int srcStride[], int srcSliceY, int srcSliceH,
383 uint8_t *dstParam[], int dstStride[])
385 uint8_t *ydst = dstParam[0] + dstStride[0] * srcSliceY;
386 uint8_t *udst = dstParam[1] + dstStride[1] * srcSliceY;
387 uint8_t *vdst = dstParam[2] + dstStride[2] * srcSliceY;
389 uyvytoyuv422(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0],
390 dstStride[1], srcStride[0]);
395 static void gray8aToPacked32(const uint8_t *src, uint8_t *dst, int num_pixels,
396 const uint8_t *palette)
399 for (i = 0; i < num_pixels; i++)
400 ((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i << 1]] | (src[(i << 1) + 1] << 24);
403 static void gray8aToPacked32_1(const uint8_t *src, uint8_t *dst, int num_pixels,
404 const uint8_t *palette)
408 for (i = 0; i < num_pixels; i++)
409 ((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i << 1]] | src[(i << 1) + 1];
412 static void gray8aToPacked24(const uint8_t *src, uint8_t *dst, int num_pixels,
413 const uint8_t *palette)
417 for (i = 0; i < num_pixels; i++) {
419 dst[0] = palette[src[i << 1] * 4 + 0];
420 dst[1] = palette[src[i << 1] * 4 + 1];
421 dst[2] = palette[src[i << 1] * 4 + 2];
426 static int packed_16bpc_bswap(SwsContext *c, const uint8_t *src[],
427 int srcStride[], int srcSliceY, int srcSliceH,
428 uint8_t *dst[], int dstStride[])
432 for (p = 0; p < 4; p++) {
433 int srcstr = srcStride[p] / 2;
434 int dststr = dstStride[p] / 2;
435 uint16_t *dstPtr = (uint16_t *) dst[p];
436 const uint16_t *srcPtr = (const uint16_t *) src[p];
437 int min_stride = FFMIN(FFABS(srcstr), FFABS(dststr));
438 if(!dstPtr || !srcPtr)
440 dstPtr += (srcSliceY >> c->chrDstVSubSample) * dststr;
441 for (i = 0; i < (srcSliceH >> c->chrDstVSubSample); i++) {
442 for (j = 0; j < min_stride; j++) {
443 dstPtr[j] = av_bswap16(srcPtr[j]);
453 static int palToRgbWrapper(SwsContext *c, const uint8_t *src[], int srcStride[],
454 int srcSliceY, int srcSliceH, uint8_t *dst[],
457 const enum AVPixelFormat srcFormat = c->srcFormat;
458 const enum AVPixelFormat dstFormat = c->dstFormat;
459 void (*conv)(const uint8_t *src, uint8_t *dst, int num_pixels,
460 const uint8_t *palette) = NULL;
462 uint8_t *dstPtr = dst[0] + dstStride[0] * srcSliceY;
463 const uint8_t *srcPtr = src[0];
465 if (srcFormat == AV_PIX_FMT_YA8) {
467 case AV_PIX_FMT_RGB32 : conv = gray8aToPacked32; break;
468 case AV_PIX_FMT_BGR32 : conv = gray8aToPacked32; break;
469 case AV_PIX_FMT_BGR32_1: conv = gray8aToPacked32_1; break;
470 case AV_PIX_FMT_RGB32_1: conv = gray8aToPacked32_1; break;
471 case AV_PIX_FMT_RGB24 : conv = gray8aToPacked24; break;
472 case AV_PIX_FMT_BGR24 : conv = gray8aToPacked24; break;
474 } else if (usePal(srcFormat)) {
476 case AV_PIX_FMT_RGB32 : conv = sws_convertPalette8ToPacked32; break;
477 case AV_PIX_FMT_BGR32 : conv = sws_convertPalette8ToPacked32; break;
478 case AV_PIX_FMT_BGR32_1: conv = sws_convertPalette8ToPacked32; break;
479 case AV_PIX_FMT_RGB32_1: conv = sws_convertPalette8ToPacked32; break;
480 case AV_PIX_FMT_RGB24 : conv = sws_convertPalette8ToPacked24; break;
481 case AV_PIX_FMT_BGR24 : conv = sws_convertPalette8ToPacked24; break;
486 av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
487 av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat));
489 for (i = 0; i < srcSliceH; i++) {
490 conv(srcPtr, dstPtr, c->srcW, (uint8_t *) c->pal_rgb);
491 srcPtr += srcStride[0];
492 dstPtr += dstStride[0];
499 static void packed16togbra16(const uint8_t *src, int srcStride,
500 uint16_t *dst[], int dstStride[], int srcSliceH,
501 int src_alpha, int swap, int shift, int width)
504 int dst_alpha = dst[3] != NULL;
505 for (h = 0; h < srcSliceH; h++) {
506 uint16_t *src_line = (uint16_t *)(src + srcStride * h);
509 if (src_alpha && dst_alpha) {
510 for (x = 0; x < width; x++) {
511 dst[0][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
512 dst[1][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
513 dst[2][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
514 dst[3][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
516 } else if (dst_alpha) {
517 for (x = 0; x < width; x++) {
518 dst[0][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
519 dst[1][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
520 dst[2][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
523 } else if (src_alpha) {
524 for (x = 0; x < width; x++) {
525 dst[0][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
526 dst[1][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
527 dst[2][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
531 for (x = 0; x < width; x++) {
532 dst[0][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
533 dst[1][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
534 dst[2][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
539 if (src_alpha && dst_alpha) {
540 for (x = 0; x < width; x++) {
541 dst[0][x] = av_bswap16(*src_line++ >> shift);
542 dst[1][x] = av_bswap16(*src_line++ >> shift);
543 dst[2][x] = av_bswap16(*src_line++ >> shift);
544 dst[3][x] = av_bswap16(*src_line++ >> shift);
546 } else if (dst_alpha) {
547 for (x = 0; x < width; x++) {
548 dst[0][x] = av_bswap16(*src_line++ >> shift);
549 dst[1][x] = av_bswap16(*src_line++ >> shift);
550 dst[2][x] = av_bswap16(*src_line++ >> shift);
553 } else if (src_alpha) {
554 for (x = 0; x < width; x++) {
555 dst[0][x] = av_bswap16(*src_line++ >> shift);
556 dst[1][x] = av_bswap16(*src_line++ >> shift);
557 dst[2][x] = av_bswap16(*src_line++ >> shift);
561 for (x = 0; x < width; x++) {
562 dst[0][x] = av_bswap16(*src_line++ >> shift);
563 dst[1][x] = av_bswap16(*src_line++ >> shift);
564 dst[2][x] = av_bswap16(*src_line++ >> shift);
569 if (src_alpha && dst_alpha) {
570 for (x = 0; x < width; x++) {
571 dst[0][x] = av_bswap16(*src_line++) >> shift;
572 dst[1][x] = av_bswap16(*src_line++) >> shift;
573 dst[2][x] = av_bswap16(*src_line++) >> shift;
574 dst[3][x] = av_bswap16(*src_line++) >> shift;
576 } else if (dst_alpha) {
577 for (x = 0; x < width; x++) {
578 dst[0][x] = av_bswap16(*src_line++) >> shift;
579 dst[1][x] = av_bswap16(*src_line++) >> shift;
580 dst[2][x] = av_bswap16(*src_line++) >> shift;
583 } else if (src_alpha) {
584 for (x = 0; x < width; x++) {
585 dst[0][x] = av_bswap16(*src_line++) >> shift;
586 dst[1][x] = av_bswap16(*src_line++) >> shift;
587 dst[2][x] = av_bswap16(*src_line++) >> shift;
591 for (x = 0; x < width; x++) {
592 dst[0][x] = av_bswap16(*src_line++) >> shift;
593 dst[1][x] = av_bswap16(*src_line++) >> shift;
594 dst[2][x] = av_bswap16(*src_line++) >> shift;
599 if (src_alpha && dst_alpha) {
600 for (x = 0; x < width; x++) {
601 dst[0][x] = *src_line++ >> shift;
602 dst[1][x] = *src_line++ >> shift;
603 dst[2][x] = *src_line++ >> shift;
604 dst[3][x] = *src_line++ >> shift;
606 } else if (dst_alpha) {
607 for (x = 0; x < width; x++) {
608 dst[0][x] = *src_line++ >> shift;
609 dst[1][x] = *src_line++ >> shift;
610 dst[2][x] = *src_line++ >> shift;
613 } else if (src_alpha) {
614 for (x = 0; x < width; x++) {
615 dst[0][x] = *src_line++ >> shift;
616 dst[1][x] = *src_line++ >> shift;
617 dst[2][x] = *src_line++ >> shift;
621 for (x = 0; x < width; x++) {
622 dst[0][x] = *src_line++ >> shift;
623 dst[1][x] = *src_line++ >> shift;
624 dst[2][x] = *src_line++ >> shift;
628 for (i = 0; i < 4; i++)
629 dst[i] += dstStride[i] >> 1;
633 static int Rgb16ToPlanarRgb16Wrapper(SwsContext *c, const uint8_t *src[],
634 int srcStride[], int srcSliceY, int srcSliceH,
635 uint8_t *dst[], int dstStride[])
637 uint16_t *dst2013[] = { (uint16_t *)dst[2], (uint16_t *)dst[0], (uint16_t *)dst[1], (uint16_t *)dst[3] };
638 uint16_t *dst1023[] = { (uint16_t *)dst[1], (uint16_t *)dst[0], (uint16_t *)dst[2], (uint16_t *)dst[3] };
639 int stride2013[] = { dstStride[2], dstStride[0], dstStride[1], dstStride[3] };
640 int stride1023[] = { dstStride[1], dstStride[0], dstStride[2], dstStride[3] };
641 const AVPixFmtDescriptor *src_format = av_pix_fmt_desc_get(c->srcFormat);
642 const AVPixFmtDescriptor *dst_format = av_pix_fmt_desc_get(c->dstFormat);
643 int bpc = dst_format->comp[0].depth;
644 int alpha = src_format->flags & AV_PIX_FMT_FLAG_ALPHA;
648 if ( HAVE_BIGENDIAN && !(src_format->flags & AV_PIX_FMT_FLAG_BE) ||
649 !HAVE_BIGENDIAN && src_format->flags & AV_PIX_FMT_FLAG_BE)
651 if ( HAVE_BIGENDIAN && !(dst_format->flags & AV_PIX_FMT_FLAG_BE) ||
652 !HAVE_BIGENDIAN && dst_format->flags & AV_PIX_FMT_FLAG_BE)
655 if ((dst_format->flags & (AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB)) !=
656 (AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB) || bpc < 9) {
657 av_log(c, AV_LOG_ERROR, "unsupported conversion to planar RGB %s -> %s\n",
658 src_format->name, dst_format->name);
663 dst2013[i] += stride2013[i] * srcSliceY / 2;
664 dst1023[i] += stride1023[i] * srcSliceY / 2;
667 switch (c->srcFormat) {
668 case AV_PIX_FMT_RGB48LE:
669 case AV_PIX_FMT_RGB48BE:
670 case AV_PIX_FMT_RGBA64LE:
671 case AV_PIX_FMT_RGBA64BE:
672 packed16togbra16(src[0], srcStride[0],
673 dst2013, stride2013, srcSliceH, alpha, swap,
676 case AV_PIX_FMT_BGR48LE:
677 case AV_PIX_FMT_BGR48BE:
678 case AV_PIX_FMT_BGRA64LE:
679 case AV_PIX_FMT_BGRA64BE:
680 packed16togbra16(src[0], srcStride[0],
681 dst1023, stride1023, srcSliceH, alpha, swap,
685 av_log(c, AV_LOG_ERROR,
686 "unsupported conversion to planar RGB %s -> %s\n",
687 src_format->name, dst_format->name);
693 static void gbr16ptopacked16(const uint16_t *src[], int srcStride[],
694 uint8_t *dst, int dstStride, int srcSliceH,
695 int alpha, int swap, int bpp, int width)
698 int src_alpha = src[3] != NULL;
699 int scale_high = 16 - bpp, scale_low = (bpp - 8) * 2;
700 for (h = 0; h < srcSliceH; h++) {
701 uint16_t *dest = (uint16_t *)(dst + dstStride * h);
706 if (alpha && !src_alpha) {
707 for (x = 0; x < width; x++) {
708 component = av_bswap16(src[0][x]);
709 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
710 component = av_bswap16(src[1][x]);
711 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
712 component = av_bswap16(src[2][x]);
713 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
716 } else if (alpha && src_alpha) {
717 for (x = 0; x < width; x++) {
718 component = av_bswap16(src[0][x]);
719 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
720 component = av_bswap16(src[1][x]);
721 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
722 component = av_bswap16(src[2][x]);
723 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
724 component = av_bswap16(src[3][x]);
725 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
728 for (x = 0; x < width; x++) {
729 component = av_bswap16(src[0][x]);
730 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
731 component = av_bswap16(src[1][x]);
732 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
733 component = av_bswap16(src[2][x]);
734 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
739 if (alpha && !src_alpha) {
740 for (x = 0; x < width; x++) {
741 *dest++ = av_bswap16(src[0][x] << scale_high | src[0][x] >> scale_low);
742 *dest++ = av_bswap16(src[1][x] << scale_high | src[1][x] >> scale_low);
743 *dest++ = av_bswap16(src[2][x] << scale_high | src[2][x] >> scale_low);
746 } else if (alpha && src_alpha) {
747 for (x = 0; x < width; x++) {
748 *dest++ = av_bswap16(src[0][x] << scale_high | src[0][x] >> scale_low);
749 *dest++ = av_bswap16(src[1][x] << scale_high | src[1][x] >> scale_low);
750 *dest++ = av_bswap16(src[2][x] << scale_high | src[2][x] >> scale_low);
751 *dest++ = av_bswap16(src[3][x] << scale_high | src[3][x] >> scale_low);
754 for (x = 0; x < width; x++) {
755 *dest++ = av_bswap16(src[0][x] << scale_high | src[0][x] >> scale_low);
756 *dest++ = av_bswap16(src[1][x] << scale_high | src[1][x] >> scale_low);
757 *dest++ = av_bswap16(src[2][x] << scale_high | src[2][x] >> scale_low);
762 if (alpha && !src_alpha) {
763 for (x = 0; x < width; x++) {
764 *dest++ = av_bswap16(src[0][x]) << scale_high | av_bswap16(src[0][x]) >> scale_low;
765 *dest++ = av_bswap16(src[1][x]) << scale_high | av_bswap16(src[1][x]) >> scale_low;
766 *dest++ = av_bswap16(src[2][x]) << scale_high | av_bswap16(src[2][x]) >> scale_low;
769 } else if (alpha && src_alpha) {
770 for (x = 0; x < width; x++) {
771 *dest++ = av_bswap16(src[0][x]) << scale_high | av_bswap16(src[0][x]) >> scale_low;
772 *dest++ = av_bswap16(src[1][x]) << scale_high | av_bswap16(src[1][x]) >> scale_low;
773 *dest++ = av_bswap16(src[2][x]) << scale_high | av_bswap16(src[2][x]) >> scale_low;
774 *dest++ = av_bswap16(src[3][x]) << scale_high | av_bswap16(src[3][x]) >> scale_low;
777 for (x = 0; x < width; x++) {
778 *dest++ = av_bswap16(src[0][x]) << scale_high | av_bswap16(src[0][x]) >> scale_low;
779 *dest++ = av_bswap16(src[1][x]) << scale_high | av_bswap16(src[1][x]) >> scale_low;
780 *dest++ = av_bswap16(src[2][x]) << scale_high | av_bswap16(src[2][x]) >> scale_low;
785 if (alpha && !src_alpha) {
786 for (x = 0; x < width; x++) {
787 *dest++ = src[0][x] << scale_high | src[0][x] >> scale_low;
788 *dest++ = src[1][x] << scale_high | src[1][x] >> scale_low;
789 *dest++ = src[2][x] << scale_high | src[2][x] >> scale_low;
792 } else if (alpha && src_alpha) {
793 for (x = 0; x < width; x++) {
794 *dest++ = src[0][x] << scale_high | src[0][x] >> scale_low;
795 *dest++ = src[1][x] << scale_high | src[1][x] >> scale_low;
796 *dest++ = src[2][x] << scale_high | src[2][x] >> scale_low;
797 *dest++ = src[3][x] << scale_high | src[3][x] >> scale_low;
800 for (x = 0; x < width; x++) {
801 *dest++ = src[0][x] << scale_high | src[0][x] >> scale_low;
802 *dest++ = src[1][x] << scale_high | src[1][x] >> scale_low;
803 *dest++ = src[2][x] << scale_high | src[2][x] >> scale_low;
807 for (i = 0; i < 3 + src_alpha; i++)
808 src[i] += srcStride[i] >> 1;
812 static int planarRgb16ToRgb16Wrapper(SwsContext *c, const uint8_t *src[],
813 int srcStride[], int srcSliceY, int srcSliceH,
814 uint8_t *dst[], int dstStride[])
816 const uint16_t *src102[] = { (uint16_t *)src[1], (uint16_t *)src[0], (uint16_t *)src[2], (uint16_t *)src[3] };
817 const uint16_t *src201[] = { (uint16_t *)src[2], (uint16_t *)src[0], (uint16_t *)src[1], (uint16_t *)src[3] };
818 int stride102[] = { srcStride[1], srcStride[0], srcStride[2], srcStride[3] };
819 int stride201[] = { srcStride[2], srcStride[0], srcStride[1], srcStride[3] };
820 const AVPixFmtDescriptor *src_format = av_pix_fmt_desc_get(c->srcFormat);
821 const AVPixFmtDescriptor *dst_format = av_pix_fmt_desc_get(c->dstFormat);
822 int bits_per_sample = src_format->comp[0].depth;
824 if ( HAVE_BIGENDIAN && !(src_format->flags & AV_PIX_FMT_FLAG_BE) ||
825 !HAVE_BIGENDIAN && src_format->flags & AV_PIX_FMT_FLAG_BE)
827 if ( HAVE_BIGENDIAN && !(dst_format->flags & AV_PIX_FMT_FLAG_BE) ||
828 !HAVE_BIGENDIAN && dst_format->flags & AV_PIX_FMT_FLAG_BE)
831 if ((src_format->flags & (AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB)) !=
832 (AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB) ||
833 bits_per_sample <= 8) {
834 av_log(c, AV_LOG_ERROR, "unsupported planar RGB conversion %s -> %s\n",
835 src_format->name, dst_format->name);
838 switch (c->dstFormat) {
839 case AV_PIX_FMT_BGR48LE:
840 case AV_PIX_FMT_BGR48BE:
841 gbr16ptopacked16(src102, stride102,
842 dst[0] + srcSliceY * dstStride[0], dstStride[0],
843 srcSliceH, 0, swap, bits_per_sample, c->srcW);
845 case AV_PIX_FMT_RGB48LE:
846 case AV_PIX_FMT_RGB48BE:
847 gbr16ptopacked16(src201, stride201,
848 dst[0] + srcSliceY * dstStride[0], dstStride[0],
849 srcSliceH, 0, swap, bits_per_sample, c->srcW);
851 case AV_PIX_FMT_RGBA64LE:
852 case AV_PIX_FMT_RGBA64BE:
853 gbr16ptopacked16(src201, stride201,
854 dst[0] + srcSliceY * dstStride[0], dstStride[0],
855 srcSliceH, 1, swap, bits_per_sample, c->srcW);
857 case AV_PIX_FMT_BGRA64LE:
858 case AV_PIX_FMT_BGRA64BE:
859 gbr16ptopacked16(src102, stride102,
860 dst[0] + srcSliceY * dstStride[0], dstStride[0],
861 srcSliceH, 1, swap, bits_per_sample, c->srcW);
864 av_log(c, AV_LOG_ERROR,
865 "unsupported planar RGB conversion %s -> %s\n",
866 src_format->name, dst_format->name);
872 static void gbr24ptopacked24(const uint8_t *src[], int srcStride[],
873 uint8_t *dst, int dstStride, int srcSliceH,
877 for (h = 0; h < srcSliceH; h++) {
878 uint8_t *dest = dst + dstStride * h;
879 for (x = 0; x < width; x++) {
885 for (i = 0; i < 3; i++)
886 src[i] += srcStride[i];
890 static void gbr24ptopacked32(const uint8_t *src[], int srcStride[],
891 uint8_t *dst, int dstStride, int srcSliceH,
892 int alpha_first, int width)
895 for (h = 0; h < srcSliceH; h++) {
896 uint8_t *dest = dst + dstStride * h;
899 for (x = 0; x < width; x++) {
906 for (x = 0; x < width; x++) {
914 for (i = 0; i < 3; i++)
915 src[i] += srcStride[i];
919 static int planarRgbToRgbWrapper(SwsContext *c, const uint8_t *src[],
920 int srcStride[], int srcSliceY, int srcSliceH,
921 uint8_t *dst[], int dstStride[])
924 const uint8_t *src102[] = { src[1], src[0], src[2] };
925 const uint8_t *src201[] = { src[2], src[0], src[1] };
926 int stride102[] = { srcStride[1], srcStride[0], srcStride[2] };
927 int stride201[] = { srcStride[2], srcStride[0], srcStride[1] };
929 if (c->srcFormat != AV_PIX_FMT_GBRP) {
930 av_log(c, AV_LOG_ERROR, "unsupported planar RGB conversion %s -> %s\n",
931 av_get_pix_fmt_name(c->srcFormat),
932 av_get_pix_fmt_name(c->dstFormat));
936 switch (c->dstFormat) {
937 case AV_PIX_FMT_BGR24:
938 gbr24ptopacked24(src102, stride102,
939 dst[0] + srcSliceY * dstStride[0], dstStride[0],
943 case AV_PIX_FMT_RGB24:
944 gbr24ptopacked24(src201, stride201,
945 dst[0] + srcSliceY * dstStride[0], dstStride[0],
949 case AV_PIX_FMT_ARGB:
951 case AV_PIX_FMT_RGBA:
952 gbr24ptopacked32(src201, stride201,
953 dst[0] + srcSliceY * dstStride[0], dstStride[0],
954 srcSliceH, alpha_first, c->srcW);
957 case AV_PIX_FMT_ABGR:
959 case AV_PIX_FMT_BGRA:
960 gbr24ptopacked32(src102, stride102,
961 dst[0] + srcSliceY * dstStride[0], dstStride[0],
962 srcSliceH, alpha_first, c->srcW);
966 av_log(c, AV_LOG_ERROR,
967 "unsupported planar RGB conversion %s -> %s\n",
968 av_get_pix_fmt_name(c->srcFormat),
969 av_get_pix_fmt_name(c->dstFormat));
975 static int planarRgbToplanarRgbWrapper(SwsContext *c,
976 const uint8_t *src[], int srcStride[],
977 int srcSliceY, int srcSliceH,
978 uint8_t *dst[], int dstStride[])
980 copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
981 dst[0], dstStride[0]);
982 copyPlane(src[1], srcStride[1], srcSliceY, srcSliceH, c->srcW,
983 dst[1], dstStride[1]);
984 copyPlane(src[2], srcStride[2], srcSliceY, srcSliceH, c->srcW,
985 dst[2], dstStride[2]);
987 fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
992 static void packedtogbr24p(const uint8_t *src, int srcStride,
993 uint8_t *dst[], int dstStride[], int srcSliceH,
994 int alpha_first, int inc_size, int width)
1006 for (h = 0; h < srcSliceH; h++) {
1007 for (x = 0; x < width; x++) {
1008 dest[0][x] = src[0];
1009 dest[1][x] = src[1];
1010 dest[2][x] = src[2];
1014 src += srcStride - width * inc_size;
1015 dest[0] += dstStride[0];
1016 dest[1] += dstStride[1];
1017 dest[2] += dstStride[2];
1021 static int rgbToPlanarRgbWrapper(SwsContext *c, const uint8_t *src[],
1022 int srcStride[], int srcSliceY, int srcSliceH,
1023 uint8_t *dst[], int dstStride[])
1025 int alpha_first = 0;
1026 int stride102[] = { dstStride[1], dstStride[0], dstStride[2] };
1027 int stride201[] = { dstStride[2], dstStride[0], dstStride[1] };
1028 uint8_t *dst102[] = { dst[1] + srcSliceY * dstStride[1],
1029 dst[0] + srcSliceY * dstStride[0],
1030 dst[2] + srcSliceY * dstStride[2] };
1031 uint8_t *dst201[] = { dst[2] + srcSliceY * dstStride[2],
1032 dst[0] + srcSliceY * dstStride[0],
1033 dst[1] + srcSliceY * dstStride[1] };
1035 switch (c->srcFormat) {
1036 case AV_PIX_FMT_RGB24:
1037 packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst201,
1038 stride201, srcSliceH, alpha_first, 3, c->srcW);
1040 case AV_PIX_FMT_BGR24:
1041 packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst102,
1042 stride102, srcSliceH, alpha_first, 3, c->srcW);
1044 case AV_PIX_FMT_ARGB:
1046 case AV_PIX_FMT_RGBA:
1047 packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst201,
1048 stride201, srcSliceH, alpha_first, 4, c->srcW);
1050 case AV_PIX_FMT_ABGR:
1052 case AV_PIX_FMT_BGRA:
1053 packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst102,
1054 stride102, srcSliceH, alpha_first, 4, c->srcW);
1057 av_log(c, AV_LOG_ERROR,
1058 "unsupported planar RGB conversion %s -> %s\n",
1059 av_get_pix_fmt_name(c->srcFormat),
1060 av_get_pix_fmt_name(c->dstFormat));
1068 #define BAYER_RENAME(x) bayer_gbrg8_to_##x
1069 #include "bayer_template.c"
1073 #define BAYER_RENAME(x) bayer_gbrg16le_to_##x
1074 #include "bayer_template.c"
1078 #define BAYER_RENAME(x) bayer_gbrg16be_to_##x
1079 #include "bayer_template.c"
1083 #define BAYER_RENAME(x) bayer_grbg8_to_##x
1084 #include "bayer_template.c"
1088 #define BAYER_RENAME(x) bayer_grbg16le_to_##x
1089 #include "bayer_template.c"
1093 #define BAYER_RENAME(x) bayer_grbg16be_to_##x
1094 #include "bayer_template.c"
1098 #define BAYER_RENAME(x) bayer_bggr8_to_##x
1099 #include "bayer_template.c"
1103 #define BAYER_RENAME(x) bayer_bggr16le_to_##x
1104 #include "bayer_template.c"
1108 #define BAYER_RENAME(x) bayer_bggr16be_to_##x
1109 #include "bayer_template.c"
1113 #define BAYER_RENAME(x) bayer_rggb8_to_##x
1114 #include "bayer_template.c"
1118 #define BAYER_RENAME(x) bayer_rggb16le_to_##x
1119 #include "bayer_template.c"
1123 #define BAYER_RENAME(x) bayer_rggb16be_to_##x
1124 #include "bayer_template.c"
1126 static int bayer_to_rgb24_wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
1127 int srcSliceH, uint8_t* dst[], int dstStride[])
1129 uint8_t *dstPtr= dst[0] + srcSliceY * dstStride[0];
1130 const uint8_t *srcPtr= src[0];
1132 void (*copy) (const uint8_t *src, int src_stride, uint8_t *dst, int dst_stride, int width);
1133 void (*interpolate)(const uint8_t *src, int src_stride, uint8_t *dst, int dst_stride, int width);
1135 switch(c->srcFormat) {
1136 #define CASE(pixfmt, prefix) \
1137 case pixfmt: copy = bayer_##prefix##_to_rgb24_copy; \
1138 interpolate = bayer_##prefix##_to_rgb24_interpolate; \
1140 CASE(AV_PIX_FMT_BAYER_BGGR8, bggr8)
1141 CASE(AV_PIX_FMT_BAYER_BGGR16LE, bggr16le)
1142 CASE(AV_PIX_FMT_BAYER_BGGR16BE, bggr16be)
1143 CASE(AV_PIX_FMT_BAYER_RGGB8, rggb8)
1144 CASE(AV_PIX_FMT_BAYER_RGGB16LE, rggb16le)
1145 CASE(AV_PIX_FMT_BAYER_RGGB16BE, rggb16be)
1146 CASE(AV_PIX_FMT_BAYER_GBRG8, gbrg8)
1147 CASE(AV_PIX_FMT_BAYER_GBRG16LE, gbrg16le)
1148 CASE(AV_PIX_FMT_BAYER_GBRG16BE, gbrg16be)
1149 CASE(AV_PIX_FMT_BAYER_GRBG8, grbg8)
1150 CASE(AV_PIX_FMT_BAYER_GRBG16LE, grbg16le)
1151 CASE(AV_PIX_FMT_BAYER_GRBG16BE, grbg16be)
1156 av_assert0(srcSliceH > 1);
1158 copy(srcPtr, srcStride[0], dstPtr, dstStride[0], c->srcW);
1159 srcPtr += 2 * srcStride[0];
1160 dstPtr += 2 * dstStride[0];
1162 for (i = 2; i < srcSliceH - 2; i += 2) {
1163 interpolate(srcPtr, srcStride[0], dstPtr, dstStride[0], c->srcW);
1164 srcPtr += 2 * srcStride[0];
1165 dstPtr += 2 * dstStride[0];
1168 if (i + 1 == srcSliceH) {
1169 copy(srcPtr, -srcStride[0], dstPtr, -dstStride[0], c->srcW);
1170 } else if (i < srcSliceH)
1171 copy(srcPtr, srcStride[0], dstPtr, dstStride[0], c->srcW);
1175 static int bayer_to_yv12_wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
1176 int srcSliceH, uint8_t* dst[], int dstStride[])
1178 const uint8_t *srcPtr= src[0];
1179 uint8_t *dstY= dst[0] + srcSliceY * dstStride[0];
1180 uint8_t *dstU= dst[1] + srcSliceY * dstStride[1] / 2;
1181 uint8_t *dstV= dst[2] + srcSliceY * dstStride[2] / 2;
1183 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);
1184 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);
1186 switch(c->srcFormat) {
1187 #define CASE(pixfmt, prefix) \
1188 case pixfmt: copy = bayer_##prefix##_to_yv12_copy; \
1189 interpolate = bayer_##prefix##_to_yv12_interpolate; \
1191 CASE(AV_PIX_FMT_BAYER_BGGR8, bggr8)
1192 CASE(AV_PIX_FMT_BAYER_BGGR16LE, bggr16le)
1193 CASE(AV_PIX_FMT_BAYER_BGGR16BE, bggr16be)
1194 CASE(AV_PIX_FMT_BAYER_RGGB8, rggb8)
1195 CASE(AV_PIX_FMT_BAYER_RGGB16LE, rggb16le)
1196 CASE(AV_PIX_FMT_BAYER_RGGB16BE, rggb16be)
1197 CASE(AV_PIX_FMT_BAYER_GBRG8, gbrg8)
1198 CASE(AV_PIX_FMT_BAYER_GBRG16LE, gbrg16le)
1199 CASE(AV_PIX_FMT_BAYER_GBRG16BE, gbrg16be)
1200 CASE(AV_PIX_FMT_BAYER_GRBG8, grbg8)
1201 CASE(AV_PIX_FMT_BAYER_GRBG16LE, grbg16le)
1202 CASE(AV_PIX_FMT_BAYER_GRBG16BE, grbg16be)
1207 av_assert0(srcSliceH > 1);
1209 copy(srcPtr, srcStride[0], dstY, dstU, dstV, dstStride[0], c->srcW, c->input_rgb2yuv_table);
1210 srcPtr += 2 * srcStride[0];
1211 dstY += 2 * dstStride[0];
1212 dstU += dstStride[1];
1213 dstV += dstStride[1];
1215 for (i = 2; i < srcSliceH - 2; i += 2) {
1216 interpolate(srcPtr, srcStride[0], dstY, dstU, dstV, dstStride[0], c->srcW, c->input_rgb2yuv_table);
1217 srcPtr += 2 * srcStride[0];
1218 dstY += 2 * dstStride[0];
1219 dstU += dstStride[1];
1220 dstV += dstStride[1];
1223 if (i + 1 == srcSliceH) {
1224 copy(srcPtr, -srcStride[0], dstY, dstU, dstV, -dstStride[0], c->srcW, c->input_rgb2yuv_table);
1225 } else if (i < srcSliceH)
1226 copy(srcPtr, srcStride[0], dstY, dstU, dstV, dstStride[0], c->srcW, c->input_rgb2yuv_table);
1230 #define isRGBA32(x) ( \
1231 (x) == AV_PIX_FMT_ARGB \
1232 || (x) == AV_PIX_FMT_RGBA \
1233 || (x) == AV_PIX_FMT_BGRA \
1234 || (x) == AV_PIX_FMT_ABGR \
1237 #define isRGBA64(x) ( \
1238 (x) == AV_PIX_FMT_RGBA64LE \
1239 || (x) == AV_PIX_FMT_RGBA64BE \
1240 || (x) == AV_PIX_FMT_BGRA64LE \
1241 || (x) == AV_PIX_FMT_BGRA64BE \
1244 #define isRGB48(x) ( \
1245 (x) == AV_PIX_FMT_RGB48LE \
1246 || (x) == AV_PIX_FMT_RGB48BE \
1247 || (x) == AV_PIX_FMT_BGR48LE \
1248 || (x) == AV_PIX_FMT_BGR48BE \
1251 /* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */
1252 typedef void (* rgbConvFn) (const uint8_t *, uint8_t *, int);
1253 static rgbConvFn findRgbConvFn(SwsContext *c)
1255 const enum AVPixelFormat srcFormat = c->srcFormat;
1256 const enum AVPixelFormat dstFormat = c->dstFormat;
1257 const int srcId = c->srcFormatBpp;
1258 const int dstId = c->dstFormatBpp;
1259 rgbConvFn conv = NULL;
1261 #define IS_NOT_NE(bpp, desc) \
1262 (((bpp + 7) >> 3) == 2 && \
1263 (!(desc->flags & AV_PIX_FMT_FLAG_BE) != !HAVE_BIGENDIAN))
1265 #define CONV_IS(src, dst) (srcFormat == AV_PIX_FMT_##src && dstFormat == AV_PIX_FMT_##dst)
1267 if (isRGBA32(srcFormat) && isRGBA32(dstFormat)) {
1268 if ( CONV_IS(ABGR, RGBA)
1269 || CONV_IS(ARGB, BGRA)
1270 || CONV_IS(BGRA, ARGB)
1271 || CONV_IS(RGBA, ABGR)) conv = shuffle_bytes_3210;
1272 else if (CONV_IS(ABGR, ARGB)
1273 || CONV_IS(ARGB, ABGR)) conv = shuffle_bytes_0321;
1274 else if (CONV_IS(ABGR, BGRA)
1275 || CONV_IS(ARGB, RGBA)) conv = shuffle_bytes_1230;
1276 else if (CONV_IS(BGRA, RGBA)
1277 || CONV_IS(RGBA, BGRA)) conv = shuffle_bytes_2103;
1278 else if (CONV_IS(BGRA, ABGR)
1279 || CONV_IS(RGBA, ARGB)) conv = shuffle_bytes_3012;
1280 } else if (isRGB48(srcFormat) && isRGB48(dstFormat)) {
1281 if (CONV_IS(RGB48LE, BGR48LE)
1282 || CONV_IS(BGR48LE, RGB48LE)
1283 || CONV_IS(RGB48BE, BGR48BE)
1284 || CONV_IS(BGR48BE, RGB48BE)) conv = rgb48tobgr48_nobswap;
1285 else if (CONV_IS(RGB48LE, BGR48BE)
1286 || CONV_IS(BGR48LE, RGB48BE)
1287 || CONV_IS(RGB48BE, BGR48LE)
1288 || CONV_IS(BGR48BE, RGB48LE)) conv = rgb48tobgr48_bswap;
1289 } else if (isRGB48(srcFormat) && isRGBA64(dstFormat)) {
1290 if (CONV_IS(RGB48LE, BGRA64LE)
1291 || CONV_IS(BGR48LE, RGBA64LE)
1292 || CONV_IS(RGB48BE, BGRA64BE)
1293 || CONV_IS(BGR48BE, RGBA64BE)) conv = rgb48tobgr64_nobswap;
1294 else if (CONV_IS(RGB48LE, BGRA64BE)
1295 || CONV_IS(BGR48LE, RGBA64BE)
1296 || CONV_IS(RGB48BE, BGRA64LE)
1297 || CONV_IS(BGR48BE, RGBA64LE)) conv = rgb48tobgr64_bswap;
1298 if (CONV_IS(RGB48LE, RGBA64LE)
1299 || CONV_IS(BGR48LE, BGRA64LE)
1300 || CONV_IS(RGB48BE, RGBA64BE)
1301 || CONV_IS(BGR48BE, BGRA64BE)) conv = rgb48to64_nobswap;
1302 else if (CONV_IS(RGB48LE, RGBA64BE)
1303 || CONV_IS(BGR48LE, BGRA64BE)
1304 || CONV_IS(RGB48BE, RGBA64LE)
1305 || CONV_IS(BGR48BE, BGRA64LE)) conv = rgb48to64_bswap;
1306 } else if (isRGBA64(srcFormat) && isRGB48(dstFormat)) {
1307 if (CONV_IS(RGBA64LE, BGR48LE)
1308 || CONV_IS(BGRA64LE, RGB48LE)
1309 || CONV_IS(RGBA64BE, BGR48BE)
1310 || CONV_IS(BGRA64BE, RGB48BE)) conv = rgb64tobgr48_nobswap;
1311 else if (CONV_IS(RGBA64LE, BGR48BE)
1312 || CONV_IS(BGRA64LE, RGB48BE)
1313 || CONV_IS(RGBA64BE, BGR48LE)
1314 || CONV_IS(BGRA64BE, RGB48LE)) conv = rgb64tobgr48_bswap;
1315 else if (CONV_IS(RGBA64LE, RGB48LE)
1316 || CONV_IS(BGRA64LE, BGR48LE)
1317 || CONV_IS(RGBA64BE, RGB48BE)
1318 || CONV_IS(BGRA64BE, BGR48BE)) conv = rgb64to48_nobswap;
1319 else if (CONV_IS(RGBA64LE, RGB48BE)
1320 || CONV_IS(BGRA64LE, BGR48BE)
1321 || CONV_IS(RGBA64BE, RGB48LE)
1322 || CONV_IS(BGRA64BE, BGR48LE)) conv = rgb64to48_bswap;
1325 if ((isBGRinInt(srcFormat) && isBGRinInt(dstFormat)) ||
1326 (isRGBinInt(srcFormat) && isRGBinInt(dstFormat))) {
1327 switch (srcId | (dstId << 16)) {
1328 case 0x000F000C: conv = rgb12to15; break;
1329 case 0x000F0010: conv = rgb16to15; break;
1330 case 0x000F0018: conv = rgb24to15; break;
1331 case 0x000F0020: conv = rgb32to15; break;
1332 case 0x0010000F: conv = rgb15to16; break;
1333 case 0x00100018: conv = rgb24to16; break;
1334 case 0x00100020: conv = rgb32to16; break;
1335 case 0x0018000F: conv = rgb15to24; break;
1336 case 0x00180010: conv = rgb16to24; break;
1337 case 0x00180020: conv = rgb32to24; break;
1338 case 0x0020000F: conv = rgb15to32; break;
1339 case 0x00200010: conv = rgb16to32; break;
1340 case 0x00200018: conv = rgb24to32; break;
1342 } else if ((isBGRinInt(srcFormat) && isRGBinInt(dstFormat)) ||
1343 (isRGBinInt(srcFormat) && isBGRinInt(dstFormat))) {
1344 switch (srcId | (dstId << 16)) {
1345 case 0x000C000C: conv = rgb12tobgr12; break;
1346 case 0x000F000F: conv = rgb15tobgr15; break;
1347 case 0x000F0010: conv = rgb16tobgr15; break;
1348 case 0x000F0018: conv = rgb24tobgr15; break;
1349 case 0x000F0020: conv = rgb32tobgr15; break;
1350 case 0x0010000F: conv = rgb15tobgr16; break;
1351 case 0x00100010: conv = rgb16tobgr16; break;
1352 case 0x00100018: conv = rgb24tobgr16; break;
1353 case 0x00100020: conv = rgb32tobgr16; break;
1354 case 0x0018000F: conv = rgb15tobgr24; break;
1355 case 0x00180010: conv = rgb16tobgr24; break;
1356 case 0x00180018: conv = rgb24tobgr24; break;
1357 case 0x00180020: conv = rgb32tobgr24; break;
1358 case 0x0020000F: conv = rgb15tobgr32; break;
1359 case 0x00200010: conv = rgb16tobgr32; break;
1360 case 0x00200018: conv = rgb24tobgr32; break;
1364 if ((dstFormat == AV_PIX_FMT_RGB32_1 || dstFormat == AV_PIX_FMT_BGR32_1) && !isRGBA32(srcFormat) && ALT32_CORR<0)
1367 // Maintain symmetry between endianness
1368 if (c->flags & SWS_BITEXACT)
1369 if ((dstFormat == AV_PIX_FMT_RGB32 || dstFormat == AV_PIX_FMT_BGR32 ) && !isRGBA32(srcFormat) && ALT32_CORR>0)
1375 /* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */
1376 static int rgbToRgbWrapper(SwsContext *c, const uint8_t *src[], int srcStride[],
1377 int srcSliceY, int srcSliceH, uint8_t *dst[],
1381 const enum AVPixelFormat srcFormat = c->srcFormat;
1382 const enum AVPixelFormat dstFormat = c->dstFormat;
1383 const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(c->srcFormat);
1384 const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(c->dstFormat);
1385 const int srcBpp = (c->srcFormatBpp + 7) >> 3;
1386 const int dstBpp = (c->dstFormatBpp + 7) >> 3;
1387 rgbConvFn conv = findRgbConvFn(c);
1390 av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
1391 av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat));
1393 const uint8_t *srcPtr = src[0];
1394 uint8_t *dstPtr = dst[0];
1395 int src_bswap = IS_NOT_NE(c->srcFormatBpp, desc_src);
1396 int dst_bswap = IS_NOT_NE(c->dstFormatBpp, desc_dst);
1398 if ((srcFormat == AV_PIX_FMT_RGB32_1 || srcFormat == AV_PIX_FMT_BGR32_1) &&
1399 !isRGBA32(dstFormat))
1400 srcPtr += ALT32_CORR;
1402 if ((dstFormat == AV_PIX_FMT_RGB32_1 || dstFormat == AV_PIX_FMT_BGR32_1) &&
1403 !isRGBA32(srcFormat)) {
1405 av_assert0(ALT32_CORR == 1);
1406 for (i = 0; i < srcSliceH; i++)
1407 dstPtr[dstStride[0] * (srcSliceY + i)] = 255;
1408 dstPtr += ALT32_CORR;
1411 if (dstStride[0] * srcBpp == srcStride[0] * dstBpp && srcStride[0] > 0 &&
1412 !(srcStride[0] % srcBpp) && !dst_bswap && !src_bswap)
1413 conv(srcPtr, dstPtr + dstStride[0] * srcSliceY,
1414 (srcSliceH - 1) * srcStride[0] + c->srcW * srcBpp);
1417 dstPtr += dstStride[0] * srcSliceY;
1419 for (i = 0; i < srcSliceH; i++) {
1421 for(j=0; j<c->srcW; j++)
1422 ((uint16_t*)c->formatConvBuffer)[j] = av_bswap16(((uint16_t*)srcPtr)[j]);
1423 conv(c->formatConvBuffer, dstPtr, c->srcW * srcBpp);
1425 conv(srcPtr, dstPtr, c->srcW * srcBpp);
1427 for(j=0; j<c->srcW; j++)
1428 ((uint16_t*)dstPtr)[j] = av_bswap16(((uint16_t*)dstPtr)[j]);
1429 srcPtr += srcStride[0];
1430 dstPtr += dstStride[0];
1437 static int bgr24ToYv12Wrapper(SwsContext *c, const uint8_t *src[],
1438 int srcStride[], int srcSliceY, int srcSliceH,
1439 uint8_t *dst[], int dstStride[])
1443 dst[0] + srcSliceY * dstStride[0],
1444 dst[1] + (srcSliceY >> 1) * dstStride[1],
1445 dst[2] + (srcSliceY >> 1) * dstStride[2],
1447 dstStride[0], dstStride[1], srcStride[0],
1448 c->input_rgb2yuv_table);
1450 fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
1454 static int yvu9ToYv12Wrapper(SwsContext *c, const uint8_t *src[],
1455 int srcStride[], int srcSliceY, int srcSliceH,
1456 uint8_t *dst[], int dstStride[])
1458 copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
1459 dst[0], dstStride[0]);
1461 planar2x(src[1], dst[1] + dstStride[1] * (srcSliceY >> 1), c->chrSrcW,
1462 srcSliceH >> 2, srcStride[1], dstStride[1]);
1463 planar2x(src[2], dst[2] + dstStride[2] * (srcSliceY >> 1), c->chrSrcW,
1464 srcSliceH >> 2, srcStride[2], dstStride[2]);
1466 fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
1470 static int uint_y_to_float_y_wrapper(SwsContext *c, const uint8_t *src[],
1471 int srcStride[], int srcSliceY,
1472 int srcSliceH, uint8_t *dst[], int dstStride[])
1475 ptrdiff_t dstStrideFloat = dstStride[0] >> 2;
1476 const uint8_t *srcPtr = src[0];
1477 float *dstPtr = (float *)(dst[0] + dstStride[0] * srcSliceY);
1479 for (y = 0; y < srcSliceH; ++y){
1480 for (x = 0; x < c->srcW; ++x){
1481 dstPtr[x] = c->uint2float_lut[srcPtr[x]];
1483 srcPtr += srcStride[0];
1484 dstPtr += dstStrideFloat;
1490 static int float_y_to_uint_y_wrapper(SwsContext *c, const uint8_t* src[],
1491 int srcStride[], int srcSliceY,
1492 int srcSliceH, uint8_t* dst[], int dstStride[])
1495 ptrdiff_t srcStrideFloat = srcStride[0] >> 2;
1496 const float *srcPtr = (const float *)src[0];
1497 uint8_t *dstPtr = dst[0] + dstStride[0] * srcSliceY;
1499 for (y = 0; y < srcSliceH; ++y){
1500 for (x = 0; x < c->srcW; ++x){
1501 dstPtr[x] = av_clip_uint8(lrintf(255.0f * srcPtr[x]));
1503 srcPtr += srcStrideFloat;
1504 dstPtr += dstStride[0];
1510 /* unscaled copy like stuff (assumes nearly identical formats) */
1511 static int packedCopyWrapper(SwsContext *c, const uint8_t *src[],
1512 int srcStride[], int srcSliceY, int srcSliceH,
1513 uint8_t *dst[], int dstStride[])
1515 if (dstStride[0] == srcStride[0] && srcStride[0] > 0)
1516 memcpy(dst[0] + dstStride[0] * srcSliceY, src[0], srcSliceH * dstStride[0]);
1519 const uint8_t *srcPtr = src[0];
1520 uint8_t *dstPtr = dst[0] + dstStride[0] * srcSliceY;
1523 /* universal length finder */
1524 while (length + c->srcW <= FFABS(dstStride[0]) &&
1525 length + c->srcW <= FFABS(srcStride[0]))
1527 av_assert1(length != 0);
1529 for (i = 0; i < srcSliceH; i++) {
1530 memcpy(dstPtr, srcPtr, length);
1531 srcPtr += srcStride[0];
1532 dstPtr += dstStride[0];
1538 #define DITHER_COPY(dst, dstStride, src, srcStride, bswap, dbswap)\
1539 unsigned shift= src_depth-dst_depth, tmp;\
1540 if (c->dither == SWS_DITHER_NONE) {\
1541 for (i = 0; i < height; i++) {\
1542 for (j = 0; j < length-7; j+=8) {\
1543 dst[j+0] = dbswap(bswap(src[j+0])>>shift);\
1544 dst[j+1] = dbswap(bswap(src[j+1])>>shift);\
1545 dst[j+2] = dbswap(bswap(src[j+2])>>shift);\
1546 dst[j+3] = dbswap(bswap(src[j+3])>>shift);\
1547 dst[j+4] = dbswap(bswap(src[j+4])>>shift);\
1548 dst[j+5] = dbswap(bswap(src[j+5])>>shift);\
1549 dst[j+6] = dbswap(bswap(src[j+6])>>shift);\
1550 dst[j+7] = dbswap(bswap(src[j+7])>>shift);\
1552 for (; j < length; j++) {\
1553 dst[j] = dbswap(bswap(src[j])>>shift);\
1558 } else if (shiftonly) {\
1559 for (i = 0; i < height; i++) {\
1560 const uint8_t *dither= dithers[shift-1][i&7];\
1561 for (j = 0; j < length-7; j+=8) {\
1562 tmp = (bswap(src[j+0]) + dither[0])>>shift; dst[j+0] = dbswap(tmp - (tmp>>dst_depth));\
1563 tmp = (bswap(src[j+1]) + dither[1])>>shift; dst[j+1] = dbswap(tmp - (tmp>>dst_depth));\
1564 tmp = (bswap(src[j+2]) + dither[2])>>shift; dst[j+2] = dbswap(tmp - (tmp>>dst_depth));\
1565 tmp = (bswap(src[j+3]) + dither[3])>>shift; dst[j+3] = dbswap(tmp - (tmp>>dst_depth));\
1566 tmp = (bswap(src[j+4]) + dither[4])>>shift; dst[j+4] = dbswap(tmp - (tmp>>dst_depth));\
1567 tmp = (bswap(src[j+5]) + dither[5])>>shift; dst[j+5] = dbswap(tmp - (tmp>>dst_depth));\
1568 tmp = (bswap(src[j+6]) + dither[6])>>shift; dst[j+6] = dbswap(tmp - (tmp>>dst_depth));\
1569 tmp = (bswap(src[j+7]) + dither[7])>>shift; dst[j+7] = dbswap(tmp - (tmp>>dst_depth));\
1571 for (; j < length; j++) {\
1572 tmp = (bswap(src[j]) + dither[j&7])>>shift; dst[j] = dbswap(tmp - (tmp>>dst_depth));\
1578 for (i = 0; i < height; i++) {\
1579 const uint8_t *dither= dithers[shift-1][i&7];\
1580 for (j = 0; j < length-7; j+=8) {\
1581 tmp = bswap(src[j+0]); dst[j+0] = dbswap((tmp - (tmp>>dst_depth) + dither[0])>>shift);\
1582 tmp = bswap(src[j+1]); dst[j+1] = dbswap((tmp - (tmp>>dst_depth) + dither[1])>>shift);\
1583 tmp = bswap(src[j+2]); dst[j+2] = dbswap((tmp - (tmp>>dst_depth) + dither[2])>>shift);\
1584 tmp = bswap(src[j+3]); dst[j+3] = dbswap((tmp - (tmp>>dst_depth) + dither[3])>>shift);\
1585 tmp = bswap(src[j+4]); dst[j+4] = dbswap((tmp - (tmp>>dst_depth) + dither[4])>>shift);\
1586 tmp = bswap(src[j+5]); dst[j+5] = dbswap((tmp - (tmp>>dst_depth) + dither[5])>>shift);\
1587 tmp = bswap(src[j+6]); dst[j+6] = dbswap((tmp - (tmp>>dst_depth) + dither[6])>>shift);\
1588 tmp = bswap(src[j+7]); dst[j+7] = dbswap((tmp - (tmp>>dst_depth) + dither[7])>>shift);\
1590 for (; j < length; j++) {\
1591 tmp = bswap(src[j]); dst[j] = dbswap((tmp - (tmp>>dst_depth) + dither[j&7])>>shift);\
1598 static int planarCopyWrapper(SwsContext *c, const uint8_t *src[],
1599 int srcStride[], int srcSliceY, int srcSliceH,
1600 uint8_t *dst[], int dstStride[])
1602 const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(c->srcFormat);
1603 const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(c->dstFormat);
1605 for (plane = 0; plane < 4; plane++) {
1606 int length = (plane == 0 || plane == 3) ? c->srcW : AV_CEIL_RSHIFT(c->srcW, c->chrDstHSubSample);
1607 int y = (plane == 0 || plane == 3) ? srcSliceY: AV_CEIL_RSHIFT(srcSliceY, c->chrDstVSubSample);
1608 int height = (plane == 0 || plane == 3) ? srcSliceH: AV_CEIL_RSHIFT(srcSliceH, c->chrDstVSubSample);
1609 const uint8_t *srcPtr = src[plane];
1610 uint8_t *dstPtr = dst[plane] + dstStride[plane] * y;
1611 int shiftonly = plane == 1 || plane == 2 || (!c->srcRange && plane == 0);
1615 // ignore palette for GRAY8
1616 if (plane == 1 && !dst[2]) continue;
1617 if (!src[plane] || (plane == 1 && !src[2])) {
1618 if (is16BPS(c->dstFormat) || isNBPS(c->dstFormat)) {
1619 fillPlane16(dst[plane], dstStride[plane], length, height, y,
1620 plane == 3, desc_dst->comp[plane].depth,
1621 isBE(c->dstFormat));
1623 fillPlane(dst[plane], dstStride[plane], length, height, y,
1624 (plane == 3) ? 255 : 128);
1627 if(isNBPS(c->srcFormat) || isNBPS(c->dstFormat)
1628 || (is16BPS(c->srcFormat) != is16BPS(c->dstFormat))
1630 const int src_depth = desc_src->comp[plane].depth;
1631 const int dst_depth = desc_dst->comp[plane].depth;
1632 const uint16_t *srcPtr2 = (const uint16_t *) srcPtr;
1633 uint16_t *dstPtr2 = (uint16_t*)dstPtr;
1635 if (dst_depth == 8) {
1636 if(isBE(c->srcFormat) == HAVE_BIGENDIAN){
1637 DITHER_COPY(dstPtr, dstStride[plane], srcPtr2, srcStride[plane]/2, , )
1639 DITHER_COPY(dstPtr, dstStride[plane], srcPtr2, srcStride[plane]/2, av_bswap16, )
1641 } else if (src_depth == 8) {
1642 for (i = 0; i < height; i++) {
1645 for (j = 0; j < length; j++)\
1646 w(&dstPtr2[j], srcPtr[j]<<(dst_depth-8));\
1648 for (j = 0; j < length; j++)\
1649 w(&dstPtr2[j], (srcPtr[j]<<(dst_depth-8)) |\
1650 (srcPtr[j]>>(2*8-dst_depth)));\
1652 if(isBE(c->dstFormat)){
1657 dstPtr2 += dstStride[plane]/2;
1658 srcPtr += srcStride[plane];
1660 } else if (src_depth <= dst_depth) {
1661 for (i = 0; i < height; i++) {
1663 if(isBE(c->srcFormat) == HAVE_BIGENDIAN &&
1664 isBE(c->dstFormat) == HAVE_BIGENDIAN &&
1666 unsigned shift = dst_depth - src_depth;
1668 #define FAST_COPY_UP(shift) \
1669 for (; j < length - 3; j += 4) { \
1670 uint64_t v = AV_RN64A(srcPtr2 + j); \
1671 AV_WN64A(dstPtr2 + j, v << shift); \
1674 #define FAST_COPY_UP(shift) \
1675 for (; j < length - 1; j += 2) { \
1676 uint32_t v = AV_RN32A(srcPtr2 + j); \
1677 AV_WN32A(dstPtr2 + j, v << shift); \
1682 case 6: FAST_COPY_UP(6); break;
1683 case 7: FAST_COPY_UP(7); break;
1686 #define COPY_UP(r,w) \
1688 for (; j < length; j++){ \
1689 unsigned int v= r(&srcPtr2[j]);\
1690 w(&dstPtr2[j], v<<(dst_depth-src_depth));\
1693 for (; j < length; j++){ \
1694 unsigned int v= r(&srcPtr2[j]);\
1695 w(&dstPtr2[j], (v<<(dst_depth-src_depth)) | \
1696 (v>>(2*src_depth-dst_depth)));\
1699 if(isBE(c->srcFormat)){
1700 if(isBE(c->dstFormat)){
1701 COPY_UP(AV_RB16, AV_WB16)
1703 COPY_UP(AV_RB16, AV_WL16)
1706 if(isBE(c->dstFormat)){
1707 COPY_UP(AV_RL16, AV_WB16)
1709 COPY_UP(AV_RL16, AV_WL16)
1712 dstPtr2 += dstStride[plane]/2;
1713 srcPtr2 += srcStride[plane]/2;
1716 if(isBE(c->srcFormat) == HAVE_BIGENDIAN){
1717 if(isBE(c->dstFormat) == HAVE_BIGENDIAN){
1718 DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, , )
1720 DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, , av_bswap16)
1723 if(isBE(c->dstFormat) == HAVE_BIGENDIAN){
1724 DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, av_bswap16, )
1726 DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, av_bswap16, av_bswap16)
1730 } else if (is16BPS(c->srcFormat) && is16BPS(c->dstFormat) &&
1731 isBE(c->srcFormat) != isBE(c->dstFormat)) {
1733 for (i = 0; i < height; i++) {
1734 for (j = 0; j < length; j++)
1735 ((uint16_t *) dstPtr)[j] = av_bswap16(((const uint16_t *) srcPtr)[j]);
1736 srcPtr += srcStride[plane];
1737 dstPtr += dstStride[plane];
1739 } else if (dstStride[plane] == srcStride[plane] &&
1740 srcStride[plane] > 0 && srcStride[plane] == length) {
1741 memcpy(dst[plane] + dstStride[plane] * y, src[plane],
1742 height * dstStride[plane]);
1744 if (is16BPS(c->srcFormat) && is16BPS(c->dstFormat))
1746 else if (desc_src->comp[0].depth == 1)
1747 length >>= 3; // monowhite/black
1748 for (i = 0; i < height; i++) {
1749 memcpy(dstPtr, srcPtr, length);
1750 srcPtr += srcStride[plane];
1751 dstPtr += dstStride[plane];
1760 #define IS_DIFFERENT_ENDIANESS(src_fmt, dst_fmt, pix_fmt) \
1761 ((src_fmt == pix_fmt ## BE && dst_fmt == pix_fmt ## LE) || \
1762 (src_fmt == pix_fmt ## LE && dst_fmt == pix_fmt ## BE))
1765 void ff_get_unscaled_swscale(SwsContext *c)
1767 const enum AVPixelFormat srcFormat = c->srcFormat;
1768 const enum AVPixelFormat dstFormat = c->dstFormat;
1769 const int flags = c->flags;
1770 const int dstH = c->dstH;
1773 needsDither = isAnyRGB(dstFormat) &&
1774 c->dstFormatBpp < 24 &&
1775 (c->dstFormatBpp < c->srcFormatBpp || (!isAnyRGB(srcFormat)));
1778 if ((srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUVA420P) &&
1779 (dstFormat == AV_PIX_FMT_NV12 || dstFormat == AV_PIX_FMT_NV21)) {
1780 c->swscale = planarToNv12Wrapper;
1783 if (dstFormat == AV_PIX_FMT_YUV420P &&
1784 (srcFormat == AV_PIX_FMT_NV12 || srcFormat == AV_PIX_FMT_NV21)) {
1785 c->swscale = nv12ToPlanarWrapper;
1788 if ((srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUV422P ||
1789 srcFormat == AV_PIX_FMT_YUVA420P) && isAnyRGB(dstFormat) &&
1790 !(flags & SWS_ACCURATE_RND) && (c->dither == SWS_DITHER_BAYER || c->dither == SWS_DITHER_AUTO) && !(dstH & 1)) {
1791 c->swscale = ff_yuv2rgb_get_func_ptr(c);
1793 /* yuv420p1x_to_p01x */
1794 if ((srcFormat == AV_PIX_FMT_YUV420P10 || srcFormat == AV_PIX_FMT_YUVA420P10 ||
1795 srcFormat == AV_PIX_FMT_YUV420P12 ||
1796 srcFormat == AV_PIX_FMT_YUV420P14 ||
1797 srcFormat == AV_PIX_FMT_YUV420P16 || srcFormat == AV_PIX_FMT_YUVA420P16) &&
1798 (dstFormat == AV_PIX_FMT_P010 || dstFormat == AV_PIX_FMT_P016)) {
1799 c->swscale = planarToP01xWrapper;
1801 /* yuv420p_to_p01xle */
1802 if ((srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUVA420P) &&
1803 (dstFormat == AV_PIX_FMT_P010LE || dstFormat == AV_PIX_FMT_P016LE)) {
1804 c->swscale = planar8ToP01xleWrapper;
1807 if (srcFormat == AV_PIX_FMT_YUV410P && !(dstH & 3) &&
1808 (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P) &&
1809 !(flags & SWS_BITEXACT)) {
1810 c->swscale = yvu9ToYv12Wrapper;
1814 if (srcFormat == AV_PIX_FMT_BGR24 &&
1815 (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P) &&
1816 !(flags & SWS_ACCURATE_RND))
1817 c->swscale = bgr24ToYv12Wrapper;
1819 /* RGB/BGR -> RGB/BGR (no dither needed forms) */
1820 if (isAnyRGB(srcFormat) && isAnyRGB(dstFormat) && findRgbConvFn(c)
1821 && (!needsDither || (c->flags&(SWS_FAST_BILINEAR|SWS_POINT))))
1822 c->swscale = rgbToRgbWrapper;
1824 /* RGB to planar RGB */
1825 if ((srcFormat == AV_PIX_FMT_GBRP && dstFormat == AV_PIX_FMT_GBRAP) ||
1826 (srcFormat == AV_PIX_FMT_GBRAP && dstFormat == AV_PIX_FMT_GBRP))
1827 c->swscale = planarRgbToplanarRgbWrapper;
1829 #define isByteRGB(f) ( \
1830 f == AV_PIX_FMT_RGB32 || \
1831 f == AV_PIX_FMT_RGB32_1 || \
1832 f == AV_PIX_FMT_RGB24 || \
1833 f == AV_PIX_FMT_BGR32 || \
1834 f == AV_PIX_FMT_BGR32_1 || \
1835 f == AV_PIX_FMT_BGR24)
1837 if (srcFormat == AV_PIX_FMT_GBRP && isPlanar(srcFormat) && isByteRGB(dstFormat))
1838 c->swscale = planarRgbToRgbWrapper;
1840 if ((srcFormat == AV_PIX_FMT_RGB48LE || srcFormat == AV_PIX_FMT_RGB48BE ||
1841 srcFormat == AV_PIX_FMT_BGR48LE || srcFormat == AV_PIX_FMT_BGR48BE ||
1842 srcFormat == AV_PIX_FMT_RGBA64LE || srcFormat == AV_PIX_FMT_RGBA64BE ||
1843 srcFormat == AV_PIX_FMT_BGRA64LE || srcFormat == AV_PIX_FMT_BGRA64BE) &&
1844 (dstFormat == AV_PIX_FMT_GBRP9LE || dstFormat == AV_PIX_FMT_GBRP9BE ||
1845 dstFormat == AV_PIX_FMT_GBRP10LE || dstFormat == AV_PIX_FMT_GBRP10BE ||
1846 dstFormat == AV_PIX_FMT_GBRP12LE || dstFormat == AV_PIX_FMT_GBRP12BE ||
1847 dstFormat == AV_PIX_FMT_GBRP14LE || dstFormat == AV_PIX_FMT_GBRP14BE ||
1848 dstFormat == AV_PIX_FMT_GBRP16LE || dstFormat == AV_PIX_FMT_GBRP16BE ||
1849 dstFormat == AV_PIX_FMT_GBRAP12LE || dstFormat == AV_PIX_FMT_GBRAP12BE ||
1850 dstFormat == AV_PIX_FMT_GBRAP16LE || dstFormat == AV_PIX_FMT_GBRAP16BE ))
1851 c->swscale = Rgb16ToPlanarRgb16Wrapper;
1853 if ((srcFormat == AV_PIX_FMT_GBRP9LE || srcFormat == AV_PIX_FMT_GBRP9BE ||
1854 srcFormat == AV_PIX_FMT_GBRP16LE || srcFormat == AV_PIX_FMT_GBRP16BE ||
1855 srcFormat == AV_PIX_FMT_GBRP10LE || srcFormat == AV_PIX_FMT_GBRP10BE ||
1856 srcFormat == AV_PIX_FMT_GBRP12LE || srcFormat == AV_PIX_FMT_GBRP12BE ||
1857 srcFormat == AV_PIX_FMT_GBRP14LE || srcFormat == AV_PIX_FMT_GBRP14BE ||
1858 srcFormat == AV_PIX_FMT_GBRAP12LE || srcFormat == AV_PIX_FMT_GBRAP12BE ||
1859 srcFormat == AV_PIX_FMT_GBRAP16LE || srcFormat == AV_PIX_FMT_GBRAP16BE) &&
1860 (dstFormat == AV_PIX_FMT_RGB48LE || dstFormat == AV_PIX_FMT_RGB48BE ||
1861 dstFormat == AV_PIX_FMT_BGR48LE || dstFormat == AV_PIX_FMT_BGR48BE ||
1862 dstFormat == AV_PIX_FMT_RGBA64LE || dstFormat == AV_PIX_FMT_RGBA64BE ||
1863 dstFormat == AV_PIX_FMT_BGRA64LE || dstFormat == AV_PIX_FMT_BGRA64BE))
1864 c->swscale = planarRgb16ToRgb16Wrapper;
1866 if (av_pix_fmt_desc_get(srcFormat)->comp[0].depth == 8 &&
1867 isPackedRGB(srcFormat) && dstFormat == AV_PIX_FMT_GBRP)
1868 c->swscale = rgbToPlanarRgbWrapper;
1870 if (isBayer(srcFormat)) {
1871 if (dstFormat == AV_PIX_FMT_RGB24)
1872 c->swscale = bayer_to_rgb24_wrapper;
1873 else if (dstFormat == AV_PIX_FMT_YUV420P)
1874 c->swscale = bayer_to_yv12_wrapper;
1875 else if (!isBayer(dstFormat)) {
1876 av_log(c, AV_LOG_ERROR, "unsupported bayer conversion\n");
1881 /* bswap 16 bits per pixel/component packed formats */
1882 if (IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BAYER_BGGR16) ||
1883 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BAYER_RGGB16) ||
1884 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BAYER_GBRG16) ||
1885 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BAYER_GRBG16) ||
1886 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR444) ||
1887 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR48) ||
1888 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGRA64) ||
1889 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR555) ||
1890 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR565) ||
1891 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGRA64) ||
1892 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY9) ||
1893 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY10) ||
1894 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY12) ||
1895 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY14) ||
1896 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY16) ||
1897 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YA16) ||
1898 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_AYUV64) ||
1899 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP9) ||
1900 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP10) ||
1901 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP12) ||
1902 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP14) ||
1903 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP16) ||
1904 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRAP12) ||
1905 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRAP16) ||
1906 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB444) ||
1907 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB48) ||
1908 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGBA64) ||
1909 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB555) ||
1910 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB565) ||
1911 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGBA64) ||
1912 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_XYZ12) ||
1913 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P9) ||
1914 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P10) ||
1915 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P12) ||
1916 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P14) ||
1917 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P16) ||
1918 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P9) ||
1919 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P10) ||
1920 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P12) ||
1921 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P14) ||
1922 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P16) ||
1923 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV440P10) ||
1924 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV440P12) ||
1925 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P9) ||
1926 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P10) ||
1927 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P12) ||
1928 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P14) ||
1929 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P16))
1930 c->swscale = packed_16bpc_bswap;
1932 if (usePal(srcFormat) && isByteRGB(dstFormat))
1933 c->swscale = palToRgbWrapper;
1935 if (srcFormat == AV_PIX_FMT_YUV422P) {
1936 if (dstFormat == AV_PIX_FMT_YUYV422)
1937 c->swscale = yuv422pToYuy2Wrapper;
1938 else if (dstFormat == AV_PIX_FMT_UYVY422)
1939 c->swscale = yuv422pToUyvyWrapper;
1942 /* uint Y to float Y */
1943 if (srcFormat == AV_PIX_FMT_GRAY8 && dstFormat == AV_PIX_FMT_GRAYF32){
1944 c->swscale = uint_y_to_float_y_wrapper;
1947 /* float Y to uint Y */
1948 if (srcFormat == AV_PIX_FMT_GRAYF32 && dstFormat == AV_PIX_FMT_GRAY8){
1949 c->swscale = float_y_to_uint_y_wrapper;
1952 /* LQ converters if -sws 0 or -sws 4*/
1953 if (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)) {
1955 if (srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUVA420P) {
1956 if (dstFormat == AV_PIX_FMT_YUYV422)
1957 c->swscale = planarToYuy2Wrapper;
1958 else if (dstFormat == AV_PIX_FMT_UYVY422)
1959 c->swscale = planarToUyvyWrapper;
1962 if (srcFormat == AV_PIX_FMT_YUYV422 &&
1963 (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P))
1964 c->swscale = yuyvToYuv420Wrapper;
1965 if (srcFormat == AV_PIX_FMT_UYVY422 &&
1966 (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P))
1967 c->swscale = uyvyToYuv420Wrapper;
1968 if (srcFormat == AV_PIX_FMT_YUYV422 && dstFormat == AV_PIX_FMT_YUV422P)
1969 c->swscale = yuyvToYuv422Wrapper;
1970 if (srcFormat == AV_PIX_FMT_UYVY422 && dstFormat == AV_PIX_FMT_YUV422P)
1971 c->swscale = uyvyToYuv422Wrapper;
1973 #define isPlanarGray(x) (isGray(x) && (x) != AV_PIX_FMT_YA8 && (x) != AV_PIX_FMT_YA16LE && (x) != AV_PIX_FMT_YA16BE)
1975 if ( srcFormat == dstFormat ||
1976 (srcFormat == AV_PIX_FMT_YUVA420P && dstFormat == AV_PIX_FMT_YUV420P) ||
1977 (srcFormat == AV_PIX_FMT_YUV420P && dstFormat == AV_PIX_FMT_YUVA420P) ||
1978 (isFloat(srcFormat) == isFloat(dstFormat)) && ((isPlanarYUV(srcFormat) && isPlanarGray(dstFormat)) ||
1979 (isPlanarYUV(dstFormat) && isPlanarGray(srcFormat)) ||
1980 (isPlanarGray(dstFormat) && isPlanarGray(srcFormat)) ||
1981 (isPlanarYUV(srcFormat) && isPlanarYUV(dstFormat) &&
1982 c->chrDstHSubSample == c->chrSrcHSubSample &&
1983 c->chrDstVSubSample == c->chrSrcVSubSample &&
1984 !isSemiPlanarYUV(srcFormat) && !isSemiPlanarYUV(dstFormat))))
1986 if (isPacked(c->srcFormat))
1987 c->swscale = packedCopyWrapper;
1988 else /* Planar YUV or gray */
1989 c->swscale = planarCopyWrapper;
1993 ff_get_unscaled_swscale_ppc(c);
1995 ff_get_unscaled_swscale_arm(c);
1997 ff_get_unscaled_swscale_aarch64(c);
2000 /* Convert the palette to the same packed 32-bit format as the palette */
2001 void sws_convertPalette8ToPacked32(const uint8_t *src, uint8_t *dst,
2002 int num_pixels, const uint8_t *palette)
2006 for (i = 0; i < num_pixels; i++)
2007 ((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i]];
2010 /* Palette format: ABCD -> dst format: ABC */
2011 void sws_convertPalette8ToPacked24(const uint8_t *src, uint8_t *dst,
2012 int num_pixels, const uint8_t *palette)
2016 for (i = 0; i < num_pixels; i++) {
2018 dst[0] = palette[src[i] * 4 + 0];
2019 dst[1] = palette[src[i] * 4 + 1];
2020 dst[2] = palette[src[i] * 4 + 2];