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"
37 DECLARE_ALIGNED(8, static const uint8_t, dithers)[8][8][8]={
39 { 0, 1, 0, 1, 0, 1, 0, 1,},
40 { 1, 0, 1, 0, 1, 0, 1, 0,},
41 { 0, 1, 0, 1, 0, 1, 0, 1,},
42 { 1, 0, 1, 0, 1, 0, 1, 0,},
43 { 0, 1, 0, 1, 0, 1, 0, 1,},
44 { 1, 0, 1, 0, 1, 0, 1, 0,},
45 { 0, 1, 0, 1, 0, 1, 0, 1,},
46 { 1, 0, 1, 0, 1, 0, 1, 0,},
48 { 1, 2, 1, 2, 1, 2, 1, 2,},
49 { 3, 0, 3, 0, 3, 0, 3, 0,},
50 { 1, 2, 1, 2, 1, 2, 1, 2,},
51 { 3, 0, 3, 0, 3, 0, 3, 0,},
52 { 1, 2, 1, 2, 1, 2, 1, 2,},
53 { 3, 0, 3, 0, 3, 0, 3, 0,},
54 { 1, 2, 1, 2, 1, 2, 1, 2,},
55 { 3, 0, 3, 0, 3, 0, 3, 0,},
57 { 2, 4, 3, 5, 2, 4, 3, 5,},
58 { 6, 0, 7, 1, 6, 0, 7, 1,},
59 { 3, 5, 2, 4, 3, 5, 2, 4,},
60 { 7, 1, 6, 0, 7, 1, 6, 0,},
61 { 2, 4, 3, 5, 2, 4, 3, 5,},
62 { 6, 0, 7, 1, 6, 0, 7, 1,},
63 { 3, 5, 2, 4, 3, 5, 2, 4,},
64 { 7, 1, 6, 0, 7, 1, 6, 0,},
66 { 4, 8, 7, 11, 4, 8, 7, 11,},
67 { 12, 0, 15, 3, 12, 0, 15, 3,},
68 { 6, 10, 5, 9, 6, 10, 5, 9,},
69 { 14, 2, 13, 1, 14, 2, 13, 1,},
70 { 4, 8, 7, 11, 4, 8, 7, 11,},
71 { 12, 0, 15, 3, 12, 0, 15, 3,},
72 { 6, 10, 5, 9, 6, 10, 5, 9,},
73 { 14, 2, 13, 1, 14, 2, 13, 1,},
75 { 9, 17, 15, 23, 8, 16, 14, 22,},
76 { 25, 1, 31, 7, 24, 0, 30, 6,},
77 { 13, 21, 11, 19, 12, 20, 10, 18,},
78 { 29, 5, 27, 3, 28, 4, 26, 2,},
79 { 8, 16, 14, 22, 9, 17, 15, 23,},
80 { 24, 0, 30, 6, 25, 1, 31, 7,},
81 { 12, 20, 10, 18, 13, 21, 11, 19,},
82 { 28, 4, 26, 2, 29, 5, 27, 3,},
84 { 18, 34, 30, 46, 17, 33, 29, 45,},
85 { 50, 2, 62, 14, 49, 1, 61, 13,},
86 { 26, 42, 22, 38, 25, 41, 21, 37,},
87 { 58, 10, 54, 6, 57, 9, 53, 5,},
88 { 16, 32, 28, 44, 19, 35, 31, 47,},
89 { 48, 0, 60, 12, 51, 3, 63, 15,},
90 { 24, 40, 20, 36, 27, 43, 23, 39,},
91 { 56, 8, 52, 4, 59, 11, 55, 7,},
93 { 18, 34, 30, 46, 17, 33, 29, 45,},
94 { 50, 2, 62, 14, 49, 1, 61, 13,},
95 { 26, 42, 22, 38, 25, 41, 21, 37,},
96 { 58, 10, 54, 6, 57, 9, 53, 5,},
97 { 16, 32, 28, 44, 19, 35, 31, 47,},
98 { 48, 0, 60, 12, 51, 3, 63, 15,},
99 { 24, 40, 20, 36, 27, 43, 23, 39,},
100 { 56, 8, 52, 4, 59, 11, 55, 7,},
102 { 36, 68, 60, 92, 34, 66, 58, 90,},
103 { 100, 4,124, 28, 98, 2,122, 26,},
104 { 52, 84, 44, 76, 50, 82, 42, 74,},
105 { 116, 20,108, 12,114, 18,106, 10,},
106 { 32, 64, 56, 88, 38, 70, 62, 94,},
107 { 96, 0,120, 24,102, 6,126, 30,},
108 { 48, 80, 40, 72, 54, 86, 46, 78,},
109 { 112, 16,104, 8,118, 22,110, 14,},
112 static const uint16_t dither_scale[15][16]={
113 { 2, 3, 3, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,},
114 { 2, 3, 7, 7, 13, 13, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25,},
115 { 3, 3, 4, 15, 15, 29, 57, 57, 57, 113, 113, 113, 113, 113, 113, 113,},
116 { 3, 4, 4, 5, 31, 31, 61, 121, 241, 241, 241, 241, 481, 481, 481, 481,},
117 { 3, 4, 5, 5, 6, 63, 63, 125, 249, 497, 993, 993, 993, 993, 993, 1985,},
118 { 3, 5, 6, 6, 6, 7, 127, 127, 253, 505, 1009, 2017, 4033, 4033, 4033, 4033,},
119 { 3, 5, 6, 7, 7, 7, 8, 255, 255, 509, 1017, 2033, 4065, 8129,16257,16257,},
120 { 3, 5, 6, 8, 8, 8, 8, 9, 511, 511, 1021, 2041, 4081, 8161,16321,32641,},
121 { 3, 5, 7, 8, 9, 9, 9, 9, 10, 1023, 1023, 2045, 4089, 8177,16353,32705,},
122 { 3, 5, 7, 8, 10, 10, 10, 10, 10, 11, 2047, 2047, 4093, 8185,16369,32737,},
123 { 3, 5, 7, 8, 10, 11, 11, 11, 11, 11, 12, 4095, 4095, 8189,16377,32753,},
124 { 3, 5, 7, 9, 10, 12, 12, 12, 12, 12, 12, 13, 8191, 8191,16381,32761,},
125 { 3, 5, 7, 9, 10, 12, 13, 13, 13, 13, 13, 13, 14,16383,16383,32765,},
126 { 3, 5, 7, 9, 10, 12, 14, 14, 14, 14, 14, 14, 14, 15,32767,32767,},
127 { 3, 5, 7, 9, 11, 12, 14, 15, 15, 15, 15, 15, 15, 15, 16,65535,},
131 static void fillPlane(uint8_t *plane, int stride, int width, int height, int y,
135 uint8_t *ptr = plane + stride * y;
136 for (i = 0; i < height; i++) {
137 memset(ptr, val, width);
142 static void copyPlane(const uint8_t *src, int srcStride,
143 int srcSliceY, int srcSliceH, int width,
144 uint8_t *dst, int dstStride)
146 dst += dstStride * srcSliceY;
147 if (dstStride == srcStride && srcStride > 0) {
148 memcpy(dst, src, srcSliceH * dstStride);
151 for (i = 0; i < srcSliceH; i++) {
152 memcpy(dst, src, width);
159 static int planarToNv12Wrapper(SwsContext *c, const uint8_t *src[],
160 int srcStride[], int srcSliceY,
161 int srcSliceH, uint8_t *dstParam[],
164 uint8_t *dst = dstParam[1] + dstStride[1] * srcSliceY / 2;
166 copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
167 dstParam[0], dstStride[0]);
169 if (c->dstFormat == AV_PIX_FMT_NV12)
170 interleaveBytes(src[1], src[2], dst, c->srcW / 2, srcSliceH / 2,
171 srcStride[1], srcStride[2], dstStride[1]);
173 interleaveBytes(src[2], src[1], dst, c->srcW / 2, srcSliceH / 2,
174 srcStride[2], srcStride[1], dstStride[1]);
179 static int nv12ToPlanarWrapper(SwsContext *c, const uint8_t *src[],
180 int srcStride[], int srcSliceY,
181 int srcSliceH, uint8_t *dstParam[],
184 uint8_t *dst1 = dstParam[1] + dstStride[1] * srcSliceY / 2;
185 uint8_t *dst2 = dstParam[2] + dstStride[2] * srcSliceY / 2;
187 copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
188 dstParam[0], dstStride[0]);
190 if (c->srcFormat == AV_PIX_FMT_NV12)
191 deinterleaveBytes(src[1], dst1, dst2,c->srcW / 2, srcSliceH / 2,
192 srcStride[1], dstStride[1], dstStride[2]);
194 deinterleaveBytes(src[1], dst2, dst1, c->srcW / 2, srcSliceH / 2,
195 srcStride[1], dstStride[2], dstStride[1]);
200 static int planarToYuy2Wrapper(SwsContext *c, const uint8_t *src[],
201 int srcStride[], int srcSliceY, int srcSliceH,
202 uint8_t *dstParam[], int dstStride[])
204 uint8_t *dst = dstParam[0] + dstStride[0] * srcSliceY;
206 yv12toyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0],
207 srcStride[1], dstStride[0]);
212 static int planarToUyvyWrapper(SwsContext *c, const uint8_t *src[],
213 int srcStride[], int srcSliceY, int srcSliceH,
214 uint8_t *dstParam[], int dstStride[])
216 uint8_t *dst = dstParam[0] + dstStride[0] * srcSliceY;
218 yv12touyvy(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0],
219 srcStride[1], dstStride[0]);
224 static int yuv422pToYuy2Wrapper(SwsContext *c, const uint8_t *src[],
225 int srcStride[], int srcSliceY, int srcSliceH,
226 uint8_t *dstParam[], int dstStride[])
228 uint8_t *dst = dstParam[0] + dstStride[0] * srcSliceY;
230 yuv422ptoyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0],
231 srcStride[1], dstStride[0]);
236 static int yuv422pToUyvyWrapper(SwsContext *c, const uint8_t *src[],
237 int srcStride[], int srcSliceY, int srcSliceH,
238 uint8_t *dstParam[], int dstStride[])
240 uint8_t *dst = dstParam[0] + dstStride[0] * srcSliceY;
242 yuv422ptouyvy(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0],
243 srcStride[1], dstStride[0]);
248 static int yuyvToYuv420Wrapper(SwsContext *c, const uint8_t *src[],
249 int srcStride[], int srcSliceY, int srcSliceH,
250 uint8_t *dstParam[], int dstStride[])
252 uint8_t *ydst = dstParam[0] + dstStride[0] * srcSliceY;
253 uint8_t *udst = dstParam[1] + dstStride[1] * srcSliceY / 2;
254 uint8_t *vdst = dstParam[2] + dstStride[2] * srcSliceY / 2;
256 yuyvtoyuv420(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0],
257 dstStride[1], srcStride[0]);
260 fillPlane(dstParam[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
265 static int yuyvToYuv422Wrapper(SwsContext *c, const uint8_t *src[],
266 int srcStride[], int srcSliceY, int srcSliceH,
267 uint8_t *dstParam[], int dstStride[])
269 uint8_t *ydst = dstParam[0] + dstStride[0] * srcSliceY;
270 uint8_t *udst = dstParam[1] + dstStride[1] * srcSliceY;
271 uint8_t *vdst = dstParam[2] + dstStride[2] * srcSliceY;
273 yuyvtoyuv422(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0],
274 dstStride[1], srcStride[0]);
279 static int uyvyToYuv420Wrapper(SwsContext *c, const uint8_t *src[],
280 int srcStride[], int srcSliceY, int srcSliceH,
281 uint8_t *dstParam[], int dstStride[])
283 uint8_t *ydst = dstParam[0] + dstStride[0] * srcSliceY;
284 uint8_t *udst = dstParam[1] + dstStride[1] * srcSliceY / 2;
285 uint8_t *vdst = dstParam[2] + dstStride[2] * srcSliceY / 2;
287 uyvytoyuv420(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0],
288 dstStride[1], srcStride[0]);
291 fillPlane(dstParam[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
296 static int uyvyToYuv422Wrapper(SwsContext *c, const uint8_t *src[],
297 int srcStride[], int srcSliceY, int srcSliceH,
298 uint8_t *dstParam[], int dstStride[])
300 uint8_t *ydst = dstParam[0] + dstStride[0] * srcSliceY;
301 uint8_t *udst = dstParam[1] + dstStride[1] * srcSliceY;
302 uint8_t *vdst = dstParam[2] + dstStride[2] * srcSliceY;
304 uyvytoyuv422(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0],
305 dstStride[1], srcStride[0]);
310 static void gray8aToPacked32(const uint8_t *src, uint8_t *dst, int num_pixels,
311 const uint8_t *palette)
314 for (i = 0; i < num_pixels; i++)
315 ((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i << 1]] | (src[(i << 1) + 1] << 24);
318 static void gray8aToPacked32_1(const uint8_t *src, uint8_t *dst, int num_pixels,
319 const uint8_t *palette)
323 for (i = 0; i < num_pixels; i++)
324 ((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i << 1]] | src[(i << 1) + 1];
327 static void gray8aToPacked24(const uint8_t *src, uint8_t *dst, int num_pixels,
328 const uint8_t *palette)
332 for (i = 0; i < num_pixels; i++) {
334 dst[0] = palette[src[i << 1] * 4 + 0];
335 dst[1] = palette[src[i << 1] * 4 + 1];
336 dst[2] = palette[src[i << 1] * 4 + 2];
341 static int packed_16bpc_bswap(SwsContext *c, const uint8_t *src[],
342 int srcStride[], int srcSliceY, int srcSliceH,
343 uint8_t *dst[], int dstStride[])
347 for (p = 0; p < 4; p++) {
348 int srcstr = srcStride[p] / 2;
349 int dststr = dstStride[p] / 2;
350 uint16_t *dstPtr = (uint16_t *) dst[p];
351 const uint16_t *srcPtr = (const uint16_t *) src[p];
352 int min_stride = FFMIN(FFABS(srcstr), FFABS(dststr));
353 if(!dstPtr || !srcPtr)
355 for (i = 0; i < (srcSliceH >> c->chrDstVSubSample); i++) {
356 for (j = 0; j < min_stride; j++) {
357 dstPtr[j] = av_bswap16(srcPtr[j]);
367 static int palToRgbWrapper(SwsContext *c, const uint8_t *src[], int srcStride[],
368 int srcSliceY, int srcSliceH, uint8_t *dst[],
371 const enum AVPixelFormat srcFormat = c->srcFormat;
372 const enum AVPixelFormat dstFormat = c->dstFormat;
373 void (*conv)(const uint8_t *src, uint8_t *dst, int num_pixels,
374 const uint8_t *palette) = NULL;
376 uint8_t *dstPtr = dst[0] + dstStride[0] * srcSliceY;
377 const uint8_t *srcPtr = src[0];
379 if (srcFormat == AV_PIX_FMT_GRAY8A) {
381 case AV_PIX_FMT_RGB32 : conv = gray8aToPacked32; break;
382 case AV_PIX_FMT_BGR32 : conv = gray8aToPacked32; break;
383 case AV_PIX_FMT_BGR32_1: conv = gray8aToPacked32_1; break;
384 case AV_PIX_FMT_RGB32_1: conv = gray8aToPacked32_1; break;
385 case AV_PIX_FMT_RGB24 : conv = gray8aToPacked24; break;
386 case AV_PIX_FMT_BGR24 : conv = gray8aToPacked24; break;
388 } else if (usePal(srcFormat)) {
390 case AV_PIX_FMT_RGB32 : conv = sws_convertPalette8ToPacked32; break;
391 case AV_PIX_FMT_BGR32 : conv = sws_convertPalette8ToPacked32; break;
392 case AV_PIX_FMT_BGR32_1: conv = sws_convertPalette8ToPacked32; break;
393 case AV_PIX_FMT_RGB32_1: conv = sws_convertPalette8ToPacked32; break;
394 case AV_PIX_FMT_RGB24 : conv = sws_convertPalette8ToPacked24; break;
395 case AV_PIX_FMT_BGR24 : conv = sws_convertPalette8ToPacked24; break;
400 av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
401 av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat));
403 for (i = 0; i < srcSliceH; i++) {
404 conv(srcPtr, dstPtr, c->srcW, (uint8_t *) c->pal_rgb);
405 srcPtr += srcStride[0];
406 dstPtr += dstStride[0];
413 static void packed16togbra16(const uint8_t *src, int srcStride,
414 uint16_t *dst[], int dstStride[], int srcSliceH,
415 int src_alpha, int swap, int shift, int width)
418 int dst_alpha = dst[3] != NULL;
419 for (h = 0; h < srcSliceH; h++) {
420 uint16_t *src_line = (uint16_t *)(src + srcStride * h);
423 if (src_alpha && dst_alpha) {
424 for (x = 0; x < width; x++) {
425 dst[0][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
426 dst[1][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
427 dst[2][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
428 dst[3][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
430 } else if (dst_alpha) {
431 for (x = 0; x < width; x++) {
432 dst[0][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
433 dst[1][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
434 dst[2][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
437 } else if (src_alpha) {
438 for (x = 0; x < width; x++) {
439 dst[0][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
440 dst[1][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
441 dst[2][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
445 for (x = 0; x < width; x++) {
446 dst[0][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
447 dst[1][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
448 dst[2][x] = av_bswap16(av_bswap16(*src_line++) >> shift);
453 if (src_alpha && dst_alpha) {
454 for (x = 0; x < width; x++) {
455 dst[0][x] = av_bswap16(*src_line++ >> shift);
456 dst[1][x] = av_bswap16(*src_line++ >> shift);
457 dst[2][x] = av_bswap16(*src_line++ >> shift);
458 dst[3][x] = av_bswap16(*src_line++ >> shift);
460 } else if (dst_alpha) {
461 for (x = 0; x < width; x++) {
462 dst[0][x] = av_bswap16(*src_line++ >> shift);
463 dst[1][x] = av_bswap16(*src_line++ >> shift);
464 dst[2][x] = av_bswap16(*src_line++ >> shift);
467 } else if (src_alpha) {
468 for (x = 0; x < width; x++) {
469 dst[0][x] = av_bswap16(*src_line++ >> shift);
470 dst[1][x] = av_bswap16(*src_line++ >> shift);
471 dst[2][x] = av_bswap16(*src_line++ >> shift);
475 for (x = 0; x < width; x++) {
476 dst[0][x] = av_bswap16(*src_line++ >> shift);
477 dst[1][x] = av_bswap16(*src_line++ >> shift);
478 dst[2][x] = av_bswap16(*src_line++ >> shift);
483 if (src_alpha && dst_alpha) {
484 for (x = 0; x < width; x++) {
485 dst[0][x] = av_bswap16(*src_line++) >> shift;
486 dst[1][x] = av_bswap16(*src_line++) >> shift;
487 dst[2][x] = av_bswap16(*src_line++) >> shift;
488 dst[3][x] = av_bswap16(*src_line++) >> shift;
490 } else if (dst_alpha) {
491 for (x = 0; x < width; x++) {
492 dst[0][x] = av_bswap16(*src_line++) >> shift;
493 dst[1][x] = av_bswap16(*src_line++) >> shift;
494 dst[2][x] = av_bswap16(*src_line++) >> shift;
497 } else if (src_alpha) {
498 for (x = 0; x < width; x++) {
499 dst[0][x] = av_bswap16(*src_line++) >> shift;
500 dst[1][x] = av_bswap16(*src_line++) >> shift;
501 dst[2][x] = av_bswap16(*src_line++) >> shift;
505 for (x = 0; x < width; x++) {
506 dst[0][x] = av_bswap16(*src_line++) >> shift;
507 dst[1][x] = av_bswap16(*src_line++) >> shift;
508 dst[2][x] = av_bswap16(*src_line++) >> shift;
513 if (src_alpha && dst_alpha) {
514 for (x = 0; x < width; x++) {
515 dst[0][x] = *src_line++ >> shift;
516 dst[1][x] = *src_line++ >> shift;
517 dst[2][x] = *src_line++ >> shift;
518 dst[3][x] = *src_line++ >> shift;
520 } else if (dst_alpha) {
521 for (x = 0; x < width; x++) {
522 dst[0][x] = *src_line++ >> shift;
523 dst[1][x] = *src_line++ >> shift;
524 dst[2][x] = *src_line++ >> shift;
527 } else if (src_alpha) {
528 for (x = 0; x < width; x++) {
529 dst[0][x] = *src_line++ >> shift;
530 dst[1][x] = *src_line++ >> shift;
531 dst[2][x] = *src_line++ >> shift;
535 for (x = 0; x < width; x++) {
536 dst[0][x] = *src_line++ >> shift;
537 dst[1][x] = *src_line++ >> shift;
538 dst[2][x] = *src_line++ >> shift;
542 for (i = 0; i < 4; i++)
543 dst[i] += dstStride[i] >> 1;
547 static int Rgb16ToPlanarRgb16Wrapper(SwsContext *c, const uint8_t *src[],
548 int srcStride[], int srcSliceY, int srcSliceH,
549 uint8_t *dst[], int dstStride[])
551 uint16_t *dst2013[] = { (uint16_t *)dst[2], (uint16_t *)dst[0], (uint16_t *)dst[1], (uint16_t *)dst[3] };
552 uint16_t *dst1023[] = { (uint16_t *)dst[1], (uint16_t *)dst[0], (uint16_t *)dst[2], (uint16_t *)dst[3] };
553 int stride2013[] = { dstStride[2], dstStride[0], dstStride[1], dstStride[3] };
554 int stride1023[] = { dstStride[1], dstStride[0], dstStride[2], dstStride[3] };
555 const AVPixFmtDescriptor *src_format = av_pix_fmt_desc_get(c->srcFormat);
556 const AVPixFmtDescriptor *dst_format = av_pix_fmt_desc_get(c->dstFormat);
557 int bpc = dst_format->comp[0].depth_minus1 + 1;
558 int alpha = src_format->flags & AV_PIX_FMT_FLAG_ALPHA;
560 if ( HAVE_BIGENDIAN && !(src_format->flags & AV_PIX_FMT_FLAG_BE) ||
561 !HAVE_BIGENDIAN && src_format->flags & AV_PIX_FMT_FLAG_BE)
563 if ( HAVE_BIGENDIAN && !(dst_format->flags & AV_PIX_FMT_FLAG_BE) ||
564 !HAVE_BIGENDIAN && dst_format->flags & AV_PIX_FMT_FLAG_BE)
567 if ((dst_format->flags & (AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB)) !=
568 (AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB) || bpc < 9) {
569 av_log(c, AV_LOG_ERROR, "unsupported conversion to planar RGB %s -> %s\n",
570 src_format->name, dst_format->name);
573 switch (c->srcFormat) {
574 case AV_PIX_FMT_RGB48LE:
575 case AV_PIX_FMT_RGB48BE:
576 case AV_PIX_FMT_RGBA64LE:
577 case AV_PIX_FMT_RGBA64BE:
578 packed16togbra16(src[0] + srcSliceY * srcStride[0], srcStride[0],
579 dst2013, stride2013, srcSliceH, alpha, swap,
582 case AV_PIX_FMT_BGR48LE:
583 case AV_PIX_FMT_BGR48BE:
584 case AV_PIX_FMT_BGRA64LE:
585 case AV_PIX_FMT_BGRA64BE:
586 packed16togbra16(src[0] + srcSliceY * srcStride[0], srcStride[0],
587 dst1023, stride1023, srcSliceH, alpha, swap,
591 av_log(c, AV_LOG_ERROR,
592 "unsupported conversion to planar RGB %s -> %s\n",
593 src_format->name, dst_format->name);
599 static void gbr16ptopacked16(const uint16_t *src[], int srcStride[],
600 uint8_t *dst, int dstStride, int srcSliceH,
601 int alpha, int swap, int bpp, int width)
604 int src_alpha = src[3] != NULL;
605 int scale_high = 16 - bpp, scale_low = (bpp - 8) * 2;
606 for (h = 0; h < srcSliceH; h++) {
607 uint16_t *dest = (uint16_t *)(dst + dstStride * h);
612 if (alpha && !src_alpha) {
613 for (x = 0; x < width; x++) {
614 component = av_bswap16(src[0][x]);
615 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
616 component = av_bswap16(src[1][x]);
617 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
618 component = av_bswap16(src[2][x]);
619 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
622 } else if (alpha && src_alpha) {
623 for (x = 0; x < width; x++) {
624 component = av_bswap16(src[0][x]);
625 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
626 component = av_bswap16(src[1][x]);
627 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
628 component = av_bswap16(src[2][x]);
629 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
630 component = av_bswap16(src[3][x]);
631 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
634 for (x = 0; x < width; x++) {
635 component = av_bswap16(src[0][x]);
636 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
637 component = av_bswap16(src[1][x]);
638 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
639 component = av_bswap16(src[2][x]);
640 *dest++ = av_bswap16(component << scale_high | component >> scale_low);
645 if (alpha && !src_alpha) {
646 for (x = 0; x < width; x++) {
647 *dest++ = av_bswap16(src[0][x] << scale_high | src[0][x] >> scale_low);
648 *dest++ = av_bswap16(src[1][x] << scale_high | src[1][x] >> scale_low);
649 *dest++ = av_bswap16(src[2][x] << scale_high | src[2][x] >> scale_low);
652 } else if (alpha && src_alpha) {
653 for (x = 0; x < width; x++) {
654 *dest++ = av_bswap16(src[0][x] << scale_high | src[0][x] >> scale_low);
655 *dest++ = av_bswap16(src[1][x] << scale_high | src[1][x] >> scale_low);
656 *dest++ = av_bswap16(src[2][x] << scale_high | src[2][x] >> scale_low);
657 *dest++ = av_bswap16(src[3][x] << scale_high | src[3][x] >> scale_low);
660 for (x = 0; x < width; x++) {
661 *dest++ = av_bswap16(src[0][x] << scale_high | src[0][x] >> scale_low);
662 *dest++ = av_bswap16(src[1][x] << scale_high | src[1][x] >> scale_low);
663 *dest++ = av_bswap16(src[2][x] << scale_high | src[2][x] >> scale_low);
668 if (alpha && !src_alpha) {
669 for (x = 0; x < width; x++) {
670 *dest++ = av_bswap16(src[0][x]) << scale_high | av_bswap16(src[0][x]) >> scale_low;
671 *dest++ = av_bswap16(src[1][x]) << scale_high | av_bswap16(src[1][x]) >> scale_low;
672 *dest++ = av_bswap16(src[2][x]) << scale_high | av_bswap16(src[2][x]) >> scale_low;
675 } else if (alpha && src_alpha) {
676 for (x = 0; x < width; x++) {
677 *dest++ = av_bswap16(src[0][x]) << scale_high | av_bswap16(src[0][x]) >> scale_low;
678 *dest++ = av_bswap16(src[1][x]) << scale_high | av_bswap16(src[1][x]) >> scale_low;
679 *dest++ = av_bswap16(src[2][x]) << scale_high | av_bswap16(src[2][x]) >> scale_low;
680 *dest++ = av_bswap16(src[3][x]) << scale_high | av_bswap16(src[3][x]) >> scale_low;
683 for (x = 0; x < width; x++) {
684 *dest++ = av_bswap16(src[0][x]) << scale_high | av_bswap16(src[0][x]) >> scale_low;
685 *dest++ = av_bswap16(src[1][x]) << scale_high | av_bswap16(src[1][x]) >> scale_low;
686 *dest++ = av_bswap16(src[2][x]) << scale_high | av_bswap16(src[2][x]) >> scale_low;
691 if (alpha && !src_alpha) {
692 for (x = 0; x < width; x++) {
693 *dest++ = src[0][x] << scale_high | src[0][x] >> scale_low;
694 *dest++ = src[1][x] << scale_high | src[1][x] >> scale_low;
695 *dest++ = src[2][x] << scale_high | src[2][x] >> scale_low;
698 } else if (alpha && src_alpha) {
699 for (x = 0; x < width; x++) {
700 *dest++ = src[0][x] << scale_high | src[0][x] >> scale_low;
701 *dest++ = src[1][x] << scale_high | src[1][x] >> scale_low;
702 *dest++ = src[2][x] << scale_high | src[2][x] >> scale_low;
703 *dest++ = src[3][x] << scale_high | src[3][x] >> scale_low;
706 for (x = 0; x < width; x++) {
707 *dest++ = src[0][x] << scale_high | src[0][x] >> scale_low;
708 *dest++ = src[1][x] << scale_high | src[1][x] >> scale_low;
709 *dest++ = src[2][x] << scale_high | src[2][x] >> scale_low;
713 for (i = 0; i < 3 + src_alpha; i++)
714 src[i] += srcStride[i] >> 1;
718 static int planarRgb16ToRgb16Wrapper(SwsContext *c, const uint8_t *src[],
719 int srcStride[], int srcSliceY, int srcSliceH,
720 uint8_t *dst[], int dstStride[])
722 const uint16_t *src102[] = { (uint16_t *)src[1], (uint16_t *)src[0], (uint16_t *)src[2], (uint16_t *)src[3] };
723 const uint16_t *src201[] = { (uint16_t *)src[2], (uint16_t *)src[0], (uint16_t *)src[1], (uint16_t *)src[3] };
724 int stride102[] = { srcStride[1], srcStride[0], srcStride[2], srcStride[3] };
725 int stride201[] = { srcStride[2], srcStride[0], srcStride[1], srcStride[3] };
726 const AVPixFmtDescriptor *src_format = av_pix_fmt_desc_get(c->srcFormat);
727 const AVPixFmtDescriptor *dst_format = av_pix_fmt_desc_get(c->dstFormat);
728 int bits_per_sample = src_format->comp[0].depth_minus1 + 1;
730 if ( HAVE_BIGENDIAN && !(src_format->flags & AV_PIX_FMT_FLAG_BE) ||
731 !HAVE_BIGENDIAN && src_format->flags & AV_PIX_FMT_FLAG_BE)
733 if ( HAVE_BIGENDIAN && !(dst_format->flags & AV_PIX_FMT_FLAG_BE) ||
734 !HAVE_BIGENDIAN && dst_format->flags & AV_PIX_FMT_FLAG_BE)
737 if ((src_format->flags & (AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB)) !=
738 (AV_PIX_FMT_FLAG_PLANAR | AV_PIX_FMT_FLAG_RGB) ||
739 bits_per_sample <= 8) {
740 av_log(c, AV_LOG_ERROR, "unsupported planar RGB conversion %s -> %s\n",
741 src_format->name, dst_format->name);
744 switch (c->dstFormat) {
745 case AV_PIX_FMT_BGR48LE:
746 case AV_PIX_FMT_BGR48BE:
747 gbr16ptopacked16(src102, stride102,
748 dst[0] + srcSliceY * dstStride[0], dstStride[0],
749 srcSliceH, 0, swap, bits_per_sample, c->srcW);
751 case AV_PIX_FMT_RGB48LE:
752 case AV_PIX_FMT_RGB48BE:
753 gbr16ptopacked16(src201, stride201,
754 dst[0] + srcSliceY * dstStride[0], dstStride[0],
755 srcSliceH, 0, swap, bits_per_sample, c->srcW);
757 case AV_PIX_FMT_RGBA64LE:
758 case AV_PIX_FMT_RGBA64BE:
759 gbr16ptopacked16(src201, stride201,
760 dst[0] + srcSliceY * dstStride[0], dstStride[0],
761 srcSliceH, 1, swap, bits_per_sample, c->srcW);
763 case AV_PIX_FMT_BGRA64LE:
764 case AV_PIX_FMT_BGRA64BE:
765 gbr16ptopacked16(src102, stride102,
766 dst[0] + srcSliceY * dstStride[0], dstStride[0],
767 srcSliceH, 1, swap, bits_per_sample, c->srcW);
770 av_log(c, AV_LOG_ERROR,
771 "unsupported planar RGB conversion %s -> %s\n",
772 src_format->name, dst_format->name);
778 static void gbr24ptopacked24(const uint8_t *src[], int srcStride[],
779 uint8_t *dst, int dstStride, int srcSliceH,
783 for (h = 0; h < srcSliceH; h++) {
784 uint8_t *dest = dst + dstStride * h;
785 for (x = 0; x < width; x++) {
791 for (i = 0; i < 3; i++)
792 src[i] += srcStride[i];
796 static void gbr24ptopacked32(const uint8_t *src[], int srcStride[],
797 uint8_t *dst, int dstStride, int srcSliceH,
798 int alpha_first, int width)
801 for (h = 0; h < srcSliceH; h++) {
802 uint8_t *dest = dst + dstStride * h;
805 for (x = 0; x < width; x++) {
812 for (x = 0; x < width; x++) {
820 for (i = 0; i < 3; i++)
821 src[i] += srcStride[i];
825 static int planarRgbToRgbWrapper(SwsContext *c, const uint8_t *src[],
826 int srcStride[], int srcSliceY, int srcSliceH,
827 uint8_t *dst[], int dstStride[])
830 const uint8_t *src102[] = { src[1], src[0], src[2] };
831 const uint8_t *src201[] = { src[2], src[0], src[1] };
832 int stride102[] = { srcStride[1], srcStride[0], srcStride[2] };
833 int stride201[] = { srcStride[2], srcStride[0], srcStride[1] };
835 if (c->srcFormat != AV_PIX_FMT_GBRP) {
836 av_log(c, AV_LOG_ERROR, "unsupported planar RGB conversion %s -> %s\n",
837 av_get_pix_fmt_name(c->srcFormat),
838 av_get_pix_fmt_name(c->dstFormat));
842 switch (c->dstFormat) {
843 case AV_PIX_FMT_BGR24:
844 gbr24ptopacked24(src102, stride102,
845 dst[0] + srcSliceY * dstStride[0], dstStride[0],
849 case AV_PIX_FMT_RGB24:
850 gbr24ptopacked24(src201, stride201,
851 dst[0] + srcSliceY * dstStride[0], dstStride[0],
855 case AV_PIX_FMT_ARGB:
857 case AV_PIX_FMT_RGBA:
858 gbr24ptopacked32(src201, stride201,
859 dst[0] + srcSliceY * dstStride[0], dstStride[0],
860 srcSliceH, alpha_first, c->srcW);
863 case AV_PIX_FMT_ABGR:
865 case AV_PIX_FMT_BGRA:
866 gbr24ptopacked32(src102, stride102,
867 dst[0] + srcSliceY * dstStride[0], dstStride[0],
868 srcSliceH, alpha_first, c->srcW);
872 av_log(c, AV_LOG_ERROR,
873 "unsupported planar RGB conversion %s -> %s\n",
874 av_get_pix_fmt_name(c->srcFormat),
875 av_get_pix_fmt_name(c->dstFormat));
881 static int planarRgbToplanarRgbWrapper(SwsContext *c, const uint8_t *src[],
882 int srcStride[], int srcSliceY, int srcSliceH,
883 uint8_t *dst[], int dstStride[])
885 copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
886 dst[0], dstStride[0]);
887 copyPlane(src[1], srcStride[1], srcSliceY, srcSliceH, c->srcW,
888 dst[1], dstStride[1]);
889 copyPlane(src[2], srcStride[2], srcSliceY, srcSliceH, c->srcW,
890 dst[2], dstStride[2]);
892 fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
897 static void packedtogbr24p(const uint8_t *src, int srcStride,
898 uint8_t *dst[], int dstStride[], int srcSliceH,
899 int alpha_first, int inc_size, int width)
911 for (h = 0; h < srcSliceH; h++) {
912 for (x = 0; x < width; x++) {
919 src += srcStride - width * inc_size;
920 dest[0] += dstStride[0];
921 dest[1] += dstStride[1];
922 dest[2] += dstStride[2];
926 static int rgbToPlanarRgbWrapper(SwsContext *c, const uint8_t *src[],
927 int srcStride[], int srcSliceY, int srcSliceH,
928 uint8_t *dst[], int dstStride[])
931 int stride102[] = { dstStride[1], dstStride[0], dstStride[2] };
932 int stride201[] = { dstStride[2], dstStride[0], dstStride[1] };
933 uint8_t *dst102[] = { dst[1] + srcSliceY * dstStride[1],
934 dst[0] + srcSliceY * dstStride[0],
935 dst[2] + srcSliceY * dstStride[2] };
936 uint8_t *dst201[] = { dst[2] + srcSliceY * dstStride[2],
937 dst[0] + srcSliceY * dstStride[0],
938 dst[1] + srcSliceY * dstStride[1] };
940 switch (c->srcFormat) {
941 case AV_PIX_FMT_RGB24:
942 packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst201,
943 stride201, srcSliceH, alpha_first, 3, c->srcW);
945 case AV_PIX_FMT_BGR24:
946 packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst102,
947 stride102, srcSliceH, alpha_first, 3, c->srcW);
949 case AV_PIX_FMT_ARGB:
951 case AV_PIX_FMT_RGBA:
952 packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst201,
953 stride201, srcSliceH, alpha_first, 4, c->srcW);
955 case AV_PIX_FMT_ABGR:
957 case AV_PIX_FMT_BGRA:
958 packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst102,
959 stride102, srcSliceH, alpha_first, 4, c->srcW);
962 av_log(c, AV_LOG_ERROR,
963 "unsupported planar RGB conversion %s -> %s\n",
964 av_get_pix_fmt_name(c->srcFormat),
965 av_get_pix_fmt_name(c->dstFormat));
971 #define isRGBA32(x) ( \
972 (x) == AV_PIX_FMT_ARGB \
973 || (x) == AV_PIX_FMT_RGBA \
974 || (x) == AV_PIX_FMT_BGRA \
975 || (x) == AV_PIX_FMT_ABGR \
978 #define isRGBA64(x) ( \
979 (x) == AV_PIX_FMT_RGBA64LE \
980 || (x) == AV_PIX_FMT_RGBA64BE \
981 || (x) == AV_PIX_FMT_BGRA64LE \
982 || (x) == AV_PIX_FMT_BGRA64BE \
985 #define isRGB48(x) ( \
986 (x) == AV_PIX_FMT_RGB48LE \
987 || (x) == AV_PIX_FMT_RGB48BE \
988 || (x) == AV_PIX_FMT_BGR48LE \
989 || (x) == AV_PIX_FMT_BGR48BE \
992 /* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */
993 typedef void (* rgbConvFn) (const uint8_t *, uint8_t *, int);
994 static rgbConvFn findRgbConvFn(SwsContext *c)
996 const enum AVPixelFormat srcFormat = c->srcFormat;
997 const enum AVPixelFormat dstFormat = c->dstFormat;
998 const int srcId = c->srcFormatBpp;
999 const int dstId = c->dstFormatBpp;
1000 rgbConvFn conv = NULL;
1002 #define IS_NOT_NE(bpp, desc) \
1003 (((bpp + 7) >> 3) == 2 && \
1004 (!(desc->flags & AV_PIX_FMT_FLAG_BE) != !HAVE_BIGENDIAN))
1006 #define CONV_IS(src, dst) (srcFormat == AV_PIX_FMT_##src && dstFormat == AV_PIX_FMT_##dst)
1008 if (isRGBA32(srcFormat) && isRGBA32(dstFormat)) {
1009 if ( CONV_IS(ABGR, RGBA)
1010 || CONV_IS(ARGB, BGRA)
1011 || CONV_IS(BGRA, ARGB)
1012 || CONV_IS(RGBA, ABGR)) conv = shuffle_bytes_3210;
1013 else if (CONV_IS(ABGR, ARGB)
1014 || CONV_IS(ARGB, ABGR)) conv = shuffle_bytes_0321;
1015 else if (CONV_IS(ABGR, BGRA)
1016 || CONV_IS(ARGB, RGBA)) conv = shuffle_bytes_1230;
1017 else if (CONV_IS(BGRA, RGBA)
1018 || CONV_IS(RGBA, BGRA)) conv = shuffle_bytes_2103;
1019 else if (CONV_IS(BGRA, ABGR)
1020 || CONV_IS(RGBA, ARGB)) conv = shuffle_bytes_3012;
1021 } else if (isRGB48(srcFormat) && isRGB48(dstFormat)) {
1022 if (CONV_IS(RGB48LE, BGR48LE)
1023 || CONV_IS(BGR48LE, RGB48LE)
1024 || CONV_IS(RGB48BE, BGR48BE)
1025 || CONV_IS(BGR48BE, RGB48BE)) conv = rgb48tobgr48_nobswap;
1026 else if (CONV_IS(RGB48LE, BGR48BE)
1027 || CONV_IS(BGR48LE, RGB48BE)
1028 || CONV_IS(RGB48BE, BGR48LE)
1029 || CONV_IS(BGR48BE, RGB48LE)) conv = rgb48tobgr48_bswap;
1030 } else if (isRGBA64(srcFormat) && isRGB48(dstFormat)) {
1031 if (CONV_IS(RGBA64LE, BGR48LE)
1032 || CONV_IS(BGRA64LE, RGB48LE)
1033 || CONV_IS(RGBA64BE, BGR48BE)
1034 || CONV_IS(BGRA64BE, RGB48BE)) conv = rgb64tobgr48_nobswap;
1035 else if (CONV_IS(RGBA64LE, BGR48BE)
1036 || CONV_IS(BGRA64LE, RGB48BE)
1037 || CONV_IS(RGBA64BE, BGR48LE)
1038 || CONV_IS(BGRA64BE, RGB48LE)) conv = rgb64tobgr48_bswap;
1039 else if (CONV_IS(RGBA64LE, RGB48LE)
1040 || CONV_IS(BGRA64LE, BGR48LE)
1041 || CONV_IS(RGBA64BE, RGB48BE)
1042 || CONV_IS(BGRA64BE, BGR48BE)) conv = rgb64to48_nobswap;
1043 else if (CONV_IS(RGBA64LE, RGB48BE)
1044 || CONV_IS(BGRA64LE, BGR48BE)
1045 || CONV_IS(RGBA64BE, RGB48LE)
1046 || CONV_IS(BGRA64BE, BGR48LE)) conv = rgb64to48_bswap;
1049 if ((isBGRinInt(srcFormat) && isBGRinInt(dstFormat)) ||
1050 (isRGBinInt(srcFormat) && isRGBinInt(dstFormat))) {
1051 switch (srcId | (dstId << 16)) {
1052 case 0x000F000C: conv = rgb12to15; break;
1053 case 0x000F0010: conv = rgb16to15; break;
1054 case 0x000F0018: conv = rgb24to15; break;
1055 case 0x000F0020: conv = rgb32to15; break;
1056 case 0x0010000F: conv = rgb15to16; break;
1057 case 0x00100018: conv = rgb24to16; break;
1058 case 0x00100020: conv = rgb32to16; break;
1059 case 0x0018000F: conv = rgb15to24; break;
1060 case 0x00180010: conv = rgb16to24; break;
1061 case 0x00180020: conv = rgb32to24; break;
1062 case 0x0020000F: conv = rgb15to32; break;
1063 case 0x00200010: conv = rgb16to32; break;
1064 case 0x00200018: conv = rgb24to32; break;
1066 } else if ((isBGRinInt(srcFormat) && isRGBinInt(dstFormat)) ||
1067 (isRGBinInt(srcFormat) && isBGRinInt(dstFormat))) {
1068 switch (srcId | (dstId << 16)) {
1069 case 0x000C000C: conv = rgb12tobgr12; break;
1070 case 0x000F000F: conv = rgb15tobgr15; break;
1071 case 0x000F0010: conv = rgb16tobgr15; break;
1072 case 0x000F0018: conv = rgb24tobgr15; break;
1073 case 0x000F0020: conv = rgb32tobgr15; break;
1074 case 0x0010000F: conv = rgb15tobgr16; break;
1075 case 0x00100010: conv = rgb16tobgr16; break;
1076 case 0x00100018: conv = rgb24tobgr16; break;
1077 case 0x00100020: conv = rgb32tobgr16; break;
1078 case 0x0018000F: conv = rgb15tobgr24; break;
1079 case 0x00180010: conv = rgb16tobgr24; break;
1080 case 0x00180018: conv = rgb24tobgr24; break;
1081 case 0x00180020: conv = rgb32tobgr24; break;
1082 case 0x0020000F: conv = rgb15tobgr32; break;
1083 case 0x00200010: conv = rgb16tobgr32; break;
1084 case 0x00200018: conv = rgb24tobgr32; break;
1088 if ((dstFormat == AV_PIX_FMT_RGB32_1 || dstFormat == AV_PIX_FMT_BGR32_1) && !isRGBA32(srcFormat) && ALT32_CORR<0)
1094 /* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */
1095 static int rgbToRgbWrapper(SwsContext *c, const uint8_t *src[], int srcStride[],
1096 int srcSliceY, int srcSliceH, uint8_t *dst[],
1100 const enum AVPixelFormat srcFormat = c->srcFormat;
1101 const enum AVPixelFormat dstFormat = c->dstFormat;
1102 const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(c->srcFormat);
1103 const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(c->dstFormat);
1104 const int srcBpp = (c->srcFormatBpp + 7) >> 3;
1105 const int dstBpp = (c->dstFormatBpp + 7) >> 3;
1106 rgbConvFn conv = findRgbConvFn(c);
1109 av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
1110 av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat));
1112 const uint8_t *srcPtr = src[0];
1113 uint8_t *dstPtr = dst[0];
1114 int src_bswap = IS_NOT_NE(c->srcFormatBpp, desc_src);
1115 int dst_bswap = IS_NOT_NE(c->dstFormatBpp, desc_dst);
1117 if ((srcFormat == AV_PIX_FMT_RGB32_1 || srcFormat == AV_PIX_FMT_BGR32_1) &&
1118 !isRGBA32(dstFormat))
1119 srcPtr += ALT32_CORR;
1121 if ((dstFormat == AV_PIX_FMT_RGB32_1 || dstFormat == AV_PIX_FMT_BGR32_1) &&
1122 !isRGBA32(srcFormat)) {
1124 av_assert0(ALT32_CORR == 1);
1125 for (i = 0; i < srcSliceH; i++)
1126 dstPtr[dstStride[0] * (srcSliceY + i)] = 255;
1127 dstPtr += ALT32_CORR;
1130 if (dstStride[0] * srcBpp == srcStride[0] * dstBpp && srcStride[0] > 0 &&
1131 !(srcStride[0] % srcBpp) && !dst_bswap && !src_bswap)
1132 conv(srcPtr, dstPtr + dstStride[0] * srcSliceY,
1133 srcSliceH * srcStride[0]);
1136 dstPtr += dstStride[0] * srcSliceY;
1138 for (i = 0; i < srcSliceH; i++) {
1140 for(j=0; j<c->srcW; j++)
1141 ((uint16_t*)c->formatConvBuffer)[j] = av_bswap16(((uint16_t*)srcPtr)[j]);
1142 conv(c->formatConvBuffer, dstPtr, c->srcW * srcBpp);
1144 conv(srcPtr, dstPtr, c->srcW * srcBpp);
1146 for(j=0; j<c->srcW; j++)
1147 ((uint16_t*)dstPtr)[j] = av_bswap16(((uint16_t*)dstPtr)[j]);
1148 srcPtr += srcStride[0];
1149 dstPtr += dstStride[0];
1156 static int bgr24ToYv12Wrapper(SwsContext *c, const uint8_t *src[],
1157 int srcStride[], int srcSliceY, int srcSliceH,
1158 uint8_t *dst[], int dstStride[])
1162 dst[0] + srcSliceY * dstStride[0],
1163 dst[1] + (srcSliceY >> 1) * dstStride[1],
1164 dst[2] + (srcSliceY >> 1) * dstStride[2],
1166 dstStride[0], dstStride[1], srcStride[0],
1167 c->input_rgb2yuv_table);
1169 fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
1173 static int yvu9ToYv12Wrapper(SwsContext *c, const uint8_t *src[],
1174 int srcStride[], int srcSliceY, int srcSliceH,
1175 uint8_t *dst[], int dstStride[])
1177 copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
1178 dst[0], dstStride[0]);
1180 planar2x(src[1], dst[1] + dstStride[1] * (srcSliceY >> 1), c->chrSrcW,
1181 srcSliceH >> 2, srcStride[1], dstStride[1]);
1182 planar2x(src[2], dst[2] + dstStride[2] * (srcSliceY >> 1), c->chrSrcW,
1183 srcSliceH >> 2, srcStride[2], dstStride[2]);
1185 fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
1189 /* unscaled copy like stuff (assumes nearly identical formats) */
1190 static int packedCopyWrapper(SwsContext *c, const uint8_t *src[],
1191 int srcStride[], int srcSliceY, int srcSliceH,
1192 uint8_t *dst[], int dstStride[])
1194 if (dstStride[0] == srcStride[0] && srcStride[0] > 0)
1195 memcpy(dst[0] + dstStride[0] * srcSliceY, src[0], srcSliceH * dstStride[0]);
1198 const uint8_t *srcPtr = src[0];
1199 uint8_t *dstPtr = dst[0] + dstStride[0] * srcSliceY;
1202 /* universal length finder */
1203 while (length + c->srcW <= FFABS(dstStride[0]) &&
1204 length + c->srcW <= FFABS(srcStride[0]))
1206 av_assert1(length != 0);
1208 for (i = 0; i < srcSliceH; i++) {
1209 memcpy(dstPtr, srcPtr, length);
1210 srcPtr += srcStride[0];
1211 dstPtr += dstStride[0];
1217 #define DITHER_COPY(dst, dstStride, src, srcStride, bswap, dbswap)\
1218 uint16_t scale= dither_scale[dst_depth-1][src_depth-1];\
1219 int shift= src_depth-dst_depth + dither_scale[src_depth-2][dst_depth-1];\
1220 for (i = 0; i < height; i++) {\
1221 const uint8_t *dither= dithers[src_depth-9][i&7];\
1222 for (j = 0; j < length-7; j+=8){\
1223 dst[j+0] = dbswap((bswap(src[j+0]) + dither[0])*scale>>shift);\
1224 dst[j+1] = dbswap((bswap(src[j+1]) + dither[1])*scale>>shift);\
1225 dst[j+2] = dbswap((bswap(src[j+2]) + dither[2])*scale>>shift);\
1226 dst[j+3] = dbswap((bswap(src[j+3]) + dither[3])*scale>>shift);\
1227 dst[j+4] = dbswap((bswap(src[j+4]) + dither[4])*scale>>shift);\
1228 dst[j+5] = dbswap((bswap(src[j+5]) + dither[5])*scale>>shift);\
1229 dst[j+6] = dbswap((bswap(src[j+6]) + dither[6])*scale>>shift);\
1230 dst[j+7] = dbswap((bswap(src[j+7]) + dither[7])*scale>>shift);\
1232 for (; j < length; j++)\
1233 dst[j] = dbswap((bswap(src[j]) + dither[j&7])*scale>>shift);\
1238 static int planarCopyWrapper(SwsContext *c, const uint8_t *src[],
1239 int srcStride[], int srcSliceY, int srcSliceH,
1240 uint8_t *dst[], int dstStride[])
1242 const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(c->srcFormat);
1243 const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(c->dstFormat);
1245 for (plane = 0; plane < 4; plane++) {
1246 int length = (plane == 0 || plane == 3) ? c->srcW : FF_CEIL_RSHIFT(c->srcW, c->chrDstHSubSample);
1247 int y = (plane == 0 || plane == 3) ? srcSliceY: FF_CEIL_RSHIFT(srcSliceY, c->chrDstVSubSample);
1248 int height = (plane == 0 || plane == 3) ? srcSliceH: FF_CEIL_RSHIFT(srcSliceH, c->chrDstVSubSample);
1249 const uint8_t *srcPtr = src[plane];
1250 uint8_t *dstPtr = dst[plane] + dstStride[plane] * y;
1251 int shiftonly= plane==1 || plane==2 || (!c->srcRange && plane==0);
1255 // ignore palette for GRAY8
1256 if (plane == 1 && !dst[2]) continue;
1257 if (!src[plane] || (plane == 1 && !src[2])) {
1258 if (is16BPS(c->dstFormat) || isNBPS(c->dstFormat)) {
1259 fillPlane16(dst[plane], dstStride[plane], length, height, y,
1260 plane == 3, desc_dst->comp[plane].depth_minus1,
1261 isBE(c->dstFormat));
1263 fillPlane(dst[plane], dstStride[plane], length, height, y,
1264 (plane == 3) ? 255 : 128);
1267 if(isNBPS(c->srcFormat) || isNBPS(c->dstFormat)
1268 || (is16BPS(c->srcFormat) != is16BPS(c->dstFormat))
1270 const int src_depth = desc_src->comp[plane].depth_minus1 + 1;
1271 const int dst_depth = desc_dst->comp[plane].depth_minus1 + 1;
1272 const uint16_t *srcPtr2 = (const uint16_t *) srcPtr;
1273 uint16_t *dstPtr2 = (uint16_t*)dstPtr;
1275 if (dst_depth == 8) {
1276 if(isBE(c->srcFormat) == HAVE_BIGENDIAN){
1277 DITHER_COPY(dstPtr, dstStride[plane], srcPtr2, srcStride[plane]/2, , )
1279 DITHER_COPY(dstPtr, dstStride[plane], srcPtr2, srcStride[plane]/2, av_bswap16, )
1281 } else if (src_depth == 8) {
1282 for (i = 0; i < height; i++) {
1285 for (j = 0; j < length; j++)\
1286 w(&dstPtr2[j], srcPtr[j]<<(dst_depth-8));\
1288 for (j = 0; j < length; j++)\
1289 w(&dstPtr2[j], (srcPtr[j]<<(dst_depth-8)) |\
1290 (srcPtr[j]>>(2*8-dst_depth)));\
1292 if(isBE(c->dstFormat)){
1297 dstPtr2 += dstStride[plane]/2;
1298 srcPtr += srcStride[plane];
1300 } else if (src_depth <= dst_depth) {
1301 for (i = 0; i < height; i++) {
1303 if(isBE(c->srcFormat) == HAVE_BIGENDIAN &&
1304 isBE(c->dstFormat) == HAVE_BIGENDIAN &&
1306 unsigned shift = dst_depth - src_depth;
1308 #define FAST_COPY_UP(shift) \
1309 for (; j < length - 3; j += 4) { \
1310 uint64_t v = AV_RN64A(srcPtr2 + j); \
1311 AV_WN64A(dstPtr2 + j, v << shift); \
1314 #define FAST_COPY_UP(shift) \
1315 for (; j < length - 1; j += 2) { \
1316 uint32_t v = AV_RN32A(srcPtr2 + j); \
1317 AV_WN32A(dstPtr2 + j, v << shift); \
1322 case 6: FAST_COPY_UP(6); break;
1323 case 7: FAST_COPY_UP(7); break;
1326 #define COPY_UP(r,w) \
1328 for (; j < length; j++){ \
1329 unsigned int v= r(&srcPtr2[j]);\
1330 w(&dstPtr2[j], v<<(dst_depth-src_depth));\
1333 for (; j < length; j++){ \
1334 unsigned int v= r(&srcPtr2[j]);\
1335 w(&dstPtr2[j], (v<<(dst_depth-src_depth)) | \
1336 (v>>(2*src_depth-dst_depth)));\
1339 if(isBE(c->srcFormat)){
1340 if(isBE(c->dstFormat)){
1341 COPY_UP(AV_RB16, AV_WB16)
1343 COPY_UP(AV_RB16, AV_WL16)
1346 if(isBE(c->dstFormat)){
1347 COPY_UP(AV_RL16, AV_WB16)
1349 COPY_UP(AV_RL16, AV_WL16)
1352 dstPtr2 += dstStride[plane]/2;
1353 srcPtr2 += srcStride[plane]/2;
1356 if(isBE(c->srcFormat) == HAVE_BIGENDIAN){
1357 if(isBE(c->dstFormat) == HAVE_BIGENDIAN){
1358 DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, , )
1360 DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, , av_bswap16)
1363 if(isBE(c->dstFormat) == HAVE_BIGENDIAN){
1364 DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, av_bswap16, )
1366 DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, av_bswap16, av_bswap16)
1370 } else if (is16BPS(c->srcFormat) && is16BPS(c->dstFormat) &&
1371 isBE(c->srcFormat) != isBE(c->dstFormat)) {
1373 for (i = 0; i < height; i++) {
1374 for (j = 0; j < length; j++)
1375 ((uint16_t *) dstPtr)[j] = av_bswap16(((const uint16_t *) srcPtr)[j]);
1376 srcPtr += srcStride[plane];
1377 dstPtr += dstStride[plane];
1379 } else if (dstStride[plane] == srcStride[plane] &&
1380 srcStride[plane] > 0 && srcStride[plane] == length) {
1381 memcpy(dst[plane] + dstStride[plane] * y, src[plane],
1382 height * dstStride[plane]);
1384 if (is16BPS(c->srcFormat) && is16BPS(c->dstFormat))
1386 else if (!desc_src->comp[0].depth_minus1)
1387 length >>= 3; // monowhite/black
1388 for (i = 0; i < height; i++) {
1389 memcpy(dstPtr, srcPtr, length);
1390 srcPtr += srcStride[plane];
1391 dstPtr += dstStride[plane];
1400 #define IS_DIFFERENT_ENDIANESS(src_fmt, dst_fmt, pix_fmt) \
1401 ((src_fmt == pix_fmt ## BE && dst_fmt == pix_fmt ## LE) || \
1402 (src_fmt == pix_fmt ## LE && dst_fmt == pix_fmt ## BE))
1405 void ff_get_unscaled_swscale(SwsContext *c)
1407 const enum AVPixelFormat srcFormat = c->srcFormat;
1408 const enum AVPixelFormat dstFormat = c->dstFormat;
1409 const int flags = c->flags;
1410 const int dstH = c->dstH;
1413 needsDither = isAnyRGB(dstFormat) &&
1414 c->dstFormatBpp < 24 &&
1415 (c->dstFormatBpp < c->srcFormatBpp || (!isAnyRGB(srcFormat)));
1418 if ((srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUVA420P) &&
1419 (dstFormat == AV_PIX_FMT_NV12 || dstFormat == AV_PIX_FMT_NV21)) {
1420 c->swscale = planarToNv12Wrapper;
1423 if (dstFormat == AV_PIX_FMT_YUV420P &&
1424 (srcFormat == AV_PIX_FMT_NV12 || srcFormat == AV_PIX_FMT_NV21)) {
1425 c->swscale = nv12ToPlanarWrapper;
1428 if ((srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUV422P ||
1429 srcFormat == AV_PIX_FMT_YUVA420P) && isAnyRGB(dstFormat) &&
1430 !(flags & SWS_ACCURATE_RND) && (c->dither == SWS_DITHER_BAYER || c->dither == SWS_DITHER_AUTO) && !(dstH & 1)) {
1431 c->swscale = ff_yuv2rgb_get_func_ptr(c);
1434 if (srcFormat == AV_PIX_FMT_YUV410P &&
1435 (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P) &&
1436 !(flags & SWS_BITEXACT)) {
1437 c->swscale = yvu9ToYv12Wrapper;
1441 if (srcFormat == AV_PIX_FMT_BGR24 &&
1442 (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P) &&
1443 !(flags & SWS_ACCURATE_RND))
1444 c->swscale = bgr24ToYv12Wrapper;
1446 /* RGB/BGR -> RGB/BGR (no dither needed forms) */
1447 if (isAnyRGB(srcFormat) && isAnyRGB(dstFormat) && findRgbConvFn(c)
1448 && (!needsDither || (c->flags&(SWS_FAST_BILINEAR|SWS_POINT))))
1449 c->swscale = rgbToRgbWrapper;
1451 if ((srcFormat == AV_PIX_FMT_GBRP && dstFormat == AV_PIX_FMT_GBRAP) ||
1452 (srcFormat == AV_PIX_FMT_GBRAP && dstFormat == AV_PIX_FMT_GBRP))
1453 c->swscale = planarRgbToplanarRgbWrapper;
1455 #define isByteRGB(f) ( \
1456 f == AV_PIX_FMT_RGB32 || \
1457 f == AV_PIX_FMT_RGB32_1 || \
1458 f == AV_PIX_FMT_RGB24 || \
1459 f == AV_PIX_FMT_BGR32 || \
1460 f == AV_PIX_FMT_BGR32_1 || \
1461 f == AV_PIX_FMT_BGR24)
1463 if (srcFormat == AV_PIX_FMT_GBRP && isPlanar(srcFormat) && isByteRGB(dstFormat))
1464 c->swscale = planarRgbToRgbWrapper;
1466 if ((srcFormat == AV_PIX_FMT_RGB48LE || srcFormat == AV_PIX_FMT_RGB48BE ||
1467 srcFormat == AV_PIX_FMT_BGR48LE || srcFormat == AV_PIX_FMT_BGR48BE ||
1468 srcFormat == AV_PIX_FMT_RGBA64LE || srcFormat == AV_PIX_FMT_RGBA64BE ||
1469 srcFormat == AV_PIX_FMT_BGRA64LE || srcFormat == AV_PIX_FMT_BGRA64BE) &&
1470 (dstFormat == AV_PIX_FMT_GBRP9LE || dstFormat == AV_PIX_FMT_GBRP9BE ||
1471 dstFormat == AV_PIX_FMT_GBRP10LE || dstFormat == AV_PIX_FMT_GBRP10BE ||
1472 dstFormat == AV_PIX_FMT_GBRP12LE || dstFormat == AV_PIX_FMT_GBRP12BE ||
1473 dstFormat == AV_PIX_FMT_GBRP14LE || dstFormat == AV_PIX_FMT_GBRP14BE ||
1474 dstFormat == AV_PIX_FMT_GBRP16LE || dstFormat == AV_PIX_FMT_GBRP16BE ||
1475 dstFormat == AV_PIX_FMT_GBRAP16LE || dstFormat == AV_PIX_FMT_GBRAP16BE ))
1476 c->swscale = Rgb16ToPlanarRgb16Wrapper;
1478 if ((srcFormat == AV_PIX_FMT_GBRP9LE || srcFormat == AV_PIX_FMT_GBRP9BE ||
1479 srcFormat == AV_PIX_FMT_GBRP16LE || srcFormat == AV_PIX_FMT_GBRP16BE ||
1480 srcFormat == AV_PIX_FMT_GBRP10LE || srcFormat == AV_PIX_FMT_GBRP10BE ||
1481 srcFormat == AV_PIX_FMT_GBRP12LE || srcFormat == AV_PIX_FMT_GBRP12BE ||
1482 srcFormat == AV_PIX_FMT_GBRP14LE || srcFormat == AV_PIX_FMT_GBRP14BE ||
1483 srcFormat == AV_PIX_FMT_GBRAP16LE || srcFormat == AV_PIX_FMT_GBRAP16BE) &&
1484 (dstFormat == AV_PIX_FMT_RGB48LE || dstFormat == AV_PIX_FMT_RGB48BE ||
1485 dstFormat == AV_PIX_FMT_BGR48LE || dstFormat == AV_PIX_FMT_BGR48BE ||
1486 dstFormat == AV_PIX_FMT_RGBA64LE || dstFormat == AV_PIX_FMT_RGBA64BE ||
1487 dstFormat == AV_PIX_FMT_BGRA64LE || dstFormat == AV_PIX_FMT_BGRA64BE))
1488 c->swscale = planarRgb16ToRgb16Wrapper;
1490 if (av_pix_fmt_desc_get(srcFormat)->comp[0].depth_minus1 == 7 &&
1491 isPackedRGB(srcFormat) && dstFormat == AV_PIX_FMT_GBRP)
1492 c->swscale = rgbToPlanarRgbWrapper;
1494 /* bswap 16 bits per pixel/component packed formats */
1495 if (IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR444) ||
1496 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR48) ||
1497 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGRA64) ||
1498 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR555) ||
1499 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR565) ||
1500 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY16) ||
1501 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP9) ||
1502 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP10) ||
1503 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP12) ||
1504 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP14) ||
1505 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP16) ||
1506 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRAP16) ||
1507 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB444) ||
1508 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB48) ||
1509 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGBA64) ||
1510 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB555) ||
1511 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB565) ||
1512 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_XYZ12) ||
1513 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P9) ||
1514 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P10) ||
1515 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P12) ||
1516 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P14) ||
1517 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P16) ||
1518 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P9) ||
1519 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P10) ||
1520 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P12) ||
1521 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P14) ||
1522 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P16) ||
1523 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P9) ||
1524 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P10) ||
1525 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P12) ||
1526 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P14) ||
1527 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P16))
1528 c->swscale = packed_16bpc_bswap;
1530 if (usePal(srcFormat) && isByteRGB(dstFormat))
1531 c->swscale = palToRgbWrapper;
1533 if (srcFormat == AV_PIX_FMT_YUV422P) {
1534 if (dstFormat == AV_PIX_FMT_YUYV422)
1535 c->swscale = yuv422pToYuy2Wrapper;
1536 else if (dstFormat == AV_PIX_FMT_UYVY422)
1537 c->swscale = yuv422pToUyvyWrapper;
1540 /* LQ converters if -sws 0 or -sws 4*/
1541 if (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)) {
1543 if (srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUVA420P) {
1544 if (dstFormat == AV_PIX_FMT_YUYV422)
1545 c->swscale = planarToYuy2Wrapper;
1546 else if (dstFormat == AV_PIX_FMT_UYVY422)
1547 c->swscale = planarToUyvyWrapper;
1550 if (srcFormat == AV_PIX_FMT_YUYV422 &&
1551 (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P))
1552 c->swscale = yuyvToYuv420Wrapper;
1553 if (srcFormat == AV_PIX_FMT_UYVY422 &&
1554 (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P))
1555 c->swscale = uyvyToYuv420Wrapper;
1556 if (srcFormat == AV_PIX_FMT_YUYV422 && dstFormat == AV_PIX_FMT_YUV422P)
1557 c->swscale = yuyvToYuv422Wrapper;
1558 if (srcFormat == AV_PIX_FMT_UYVY422 && dstFormat == AV_PIX_FMT_YUV422P)
1559 c->swscale = uyvyToYuv422Wrapper;
1561 #define isPlanarGray(x) (isGray(x) && (x) != AV_PIX_FMT_GRAY8A)
1563 if ( srcFormat == dstFormat ||
1564 (srcFormat == AV_PIX_FMT_YUVA420P && dstFormat == AV_PIX_FMT_YUV420P) ||
1565 (srcFormat == AV_PIX_FMT_YUV420P && dstFormat == AV_PIX_FMT_YUVA420P) ||
1566 (isPlanarYUV(srcFormat) && isPlanarGray(dstFormat)) ||
1567 (isPlanarYUV(dstFormat) && isPlanarGray(srcFormat)) ||
1568 (isPlanarGray(dstFormat) && isPlanarGray(srcFormat)) ||
1569 (isPlanarYUV(srcFormat) && isPlanarYUV(dstFormat) &&
1570 c->chrDstHSubSample == c->chrSrcHSubSample &&
1571 c->chrDstVSubSample == c->chrSrcVSubSample &&
1572 dstFormat != AV_PIX_FMT_NV12 && dstFormat != AV_PIX_FMT_NV21 &&
1573 srcFormat != AV_PIX_FMT_NV12 && srcFormat != AV_PIX_FMT_NV21))
1575 if (isPacked(c->srcFormat))
1576 c->swscale = packedCopyWrapper;
1577 else /* Planar YUV or gray */
1578 c->swscale = planarCopyWrapper;
1582 ff_get_unscaled_swscale_bfin(c);
1584 ff_get_unscaled_swscale_ppc(c);
1586 // ff_get_unscaled_swscale_arm(c);
1590 /* Convert the palette to the same packed 32-bit format as the palette */
1591 void sws_convertPalette8ToPacked32(const uint8_t *src, uint8_t *dst,
1592 int num_pixels, const uint8_t *palette)
1596 for (i = 0; i < num_pixels; i++)
1597 ((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i]];
1600 /* Palette format: ABCD -> dst format: ABC */
1601 void sws_convertPalette8ToPacked24(const uint8_t *src, uint8_t *dst,
1602 int num_pixels, const uint8_t *palette)
1606 for (i = 0; i < num_pixels; i++) {
1608 dst[0] = palette[src[i] * 4 + 0];
1609 dst[1] = palette[src[i] * 4 + 1];
1610 dst[2] = palette[src[i] * 4 + 2];