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Imported Debian version 2.5.2~trusty
[deb_ffmpeg.git] / ffmpeg / libswscale / swscale_unscaled.c
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2ba45a60
DM		 1/*
2 * Copyright (C) 2001-2011 Michael Niedermayer <michaelni@gmx.at>
3 *
4 * This file is part of FFmpeg.
5 *
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21#include <inttypes.h>
22#include <string.h>
23#include <math.h>
24#include <stdio.h>
25#include "config.h"
26#include "swscale.h"
27#include "swscale_internal.h"
28#include "rgb2rgb.h"
29#include "libavutil/intreadwrite.h"
30#include "libavutil/cpu.h"
31#include "libavutil/avutil.h"
32#include "libavutil/mathematics.h"
33#include "libavutil/bswap.h"
34#include "libavutil/pixdesc.h"
35#include "libavutil/avassert.h"
36
37DECLARE_ALIGNED(8, static const uint8_t, dithers)[8][8][8]={
38{
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,},
47},{
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,},
56},{
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,},
65},{
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,},
74},{
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,},
83},{
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,},
92},{
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,},
101},{
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,},
110}};
111
112static 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,},
128};
129
130
131static void fillPlane(uint8_t *plane, int stride, int width, int height, int y,
132 uint8_t val)
133{
134 int i;
135 uint8_t *ptr = plane + stride * y;
136 for (i = 0; i < height; i++) {
137 memset(ptr, val, width);
138 ptr += stride;
139 }
140}
141
142static void copyPlane(const uint8_t *src, int srcStride,
143 int srcSliceY, int srcSliceH, int width,
144 uint8_t *dst, int dstStride)
145{
146 dst += dstStride * srcSliceY;
147 if (dstStride == srcStride && srcStride > 0) {
148 memcpy(dst, src, srcSliceH * dstStride);
149 } else {
150 int i;
151 for (i = 0; i < srcSliceH; i++) {
152 memcpy(dst, src, width);
153 src += srcStride;
154 dst += dstStride;
155 }
156 }
157}
158
159static int planarToNv12Wrapper(SwsContext *c, const uint8_t *src[],
160 int srcStride[], int srcSliceY,
161 int srcSliceH, uint8_t *dstParam[],
162 int dstStride[])
163{
164 uint8_t *dst = dstParam[1] + dstStride[1] * srcSliceY / 2;
165
166 copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
167 dstParam[0], dstStride[0]);
168
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]);
172 else
173 interleaveBytes(src[2], src[1], dst, c->srcW / 2, srcSliceH / 2,
174 srcStride[2], srcStride[1], dstStride[1]);
175
176 return srcSliceH;
177}
178
179static int nv12ToPlanarWrapper(SwsContext *c, const uint8_t *src[],
180 int srcStride[], int srcSliceY,
181 int srcSliceH, uint8_t *dstParam[],
182 int dstStride[])
183{
184 uint8_t *dst1 = dstParam[1] + dstStride[1] * srcSliceY / 2;
185 uint8_t *dst2 = dstParam[2] + dstStride[2] * srcSliceY / 2;
186
187 copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
188 dstParam[0], dstStride[0]);
189
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]);
193 else
194 deinterleaveBytes(src[1], dst2, dst1, c->srcW / 2, srcSliceH / 2,
195 srcStride[1], dstStride[2], dstStride[1]);
196
197 return srcSliceH;
198}
199
200static int planarToYuy2Wrapper(SwsContext *c, const uint8_t *src[],
201 int srcStride[], int srcSliceY, int srcSliceH,
202 uint8_t *dstParam[], int dstStride[])
203{
204 uint8_t *dst = dstParam[0] + dstStride[0] * srcSliceY;
205
206 yv12toyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0],
207 srcStride[1], dstStride[0]);
208
209 return srcSliceH;
210}
211
212static int planarToUyvyWrapper(SwsContext *c, const uint8_t *src[],
213 int srcStride[], int srcSliceY, int srcSliceH,
214 uint8_t *dstParam[], int dstStride[])
215{
216 uint8_t *dst = dstParam[0] + dstStride[0] * srcSliceY;
217
218 yv12touyvy(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0],
219 srcStride[1], dstStride[0]);
220
221 return srcSliceH;
222}
223
224static int yuv422pToYuy2Wrapper(SwsContext *c, const uint8_t *src[],
225 int srcStride[], int srcSliceY, int srcSliceH,
226 uint8_t *dstParam[], int dstStride[])
227{
228 uint8_t *dst = dstParam[0] + dstStride[0] * srcSliceY;
229
230 yuv422ptoyuy2(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0],
231 srcStride[1], dstStride[0]);
232
233 return srcSliceH;
234}
235
236static int yuv422pToUyvyWrapper(SwsContext *c, const uint8_t *src[],
237 int srcStride[], int srcSliceY, int srcSliceH,
238 uint8_t *dstParam[], int dstStride[])
239{
240 uint8_t *dst = dstParam[0] + dstStride[0] * srcSliceY;
241
242 yuv422ptouyvy(src[0], src[1], src[2], dst, c->srcW, srcSliceH, srcStride[0],
243 srcStride[1], dstStride[0]);
244
245 return srcSliceH;
246}
247
248static int yuyvToYuv420Wrapper(SwsContext *c, const uint8_t *src[],
249 int srcStride[], int srcSliceY, int srcSliceH,
250 uint8_t *dstParam[], int dstStride[])
251{
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;
255
256 yuyvtoyuv420(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0],
257 dstStride[1], srcStride[0]);
258
259 if (dstParam[3])
260 fillPlane(dstParam[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
261
262 return srcSliceH;
263}
264
265static int yuyvToYuv422Wrapper(SwsContext *c, const uint8_t *src[],
266 int srcStride[], int srcSliceY, int srcSliceH,
267 uint8_t *dstParam[], int dstStride[])
268{
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;
272
273 yuyvtoyuv422(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0],
274 dstStride[1], srcStride[0]);
275
276 return srcSliceH;
277}
278
279static int uyvyToYuv420Wrapper(SwsContext *c, const uint8_t *src[],
280 int srcStride[], int srcSliceY, int srcSliceH,
281 uint8_t *dstParam[], int dstStride[])
282{
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;
286
287 uyvytoyuv420(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0],
288 dstStride[1], srcStride[0]);
289
290 if (dstParam[3])
291 fillPlane(dstParam[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
292
293 return srcSliceH;
294}
295
296static int uyvyToYuv422Wrapper(SwsContext *c, const uint8_t *src[],
297 int srcStride[], int srcSliceY, int srcSliceH,
298 uint8_t *dstParam[], int dstStride[])
299{
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;
303
304 uyvytoyuv422(ydst, udst, vdst, src[0], c->srcW, srcSliceH, dstStride[0],
305 dstStride[1], srcStride[0]);
306
307 return srcSliceH;
308}
309
310static void gray8aToPacked32(const uint8_t *src, uint8_t *dst, int num_pixels,
311 const uint8_t *palette)
312{
313 int i;
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);
316}
317
318static void gray8aToPacked32_1(const uint8_t *src, uint8_t *dst, int num_pixels,
319 const uint8_t *palette)
320{
321 int i;
322
323 for (i = 0; i < num_pixels; i++)
324 ((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i << 1]] | src[(i << 1) + 1];
325}
326
327static void gray8aToPacked24(const uint8_t *src, uint8_t *dst, int num_pixels,
328 const uint8_t *palette)
329{
330 int i;
331
332 for (i = 0; i < num_pixels; i++) {
333 //FIXME slow?
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];
337 dst += 3;
338 }
339}
340
341static int packed_16bpc_bswap(SwsContext *c, const uint8_t *src[],
342 int srcStride[], int srcSliceY, int srcSliceH,
343 uint8_t *dst[], int dstStride[])
344{
345 int i, j, p;
346
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)
354 continue;
355 for (i = 0; i < (srcSliceH >> c->chrDstVSubSample); i++) {
356 for (j = 0; j < min_stride; j++) {
357 dstPtr[j] = av_bswap16(srcPtr[j]);
358 }
359 srcPtr += srcstr;
360 dstPtr += dststr;
361 }
362 }
363
364 return srcSliceH;
365}
366
367static int palToRgbWrapper(SwsContext *c, const uint8_t *src[], int srcStride[],
368 int srcSliceY, int srcSliceH, uint8_t *dst[],
369 int dstStride[])
370{
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;
375 int i;
376 uint8_t *dstPtr = dst[0] + dstStride[0] * srcSliceY;
377 const uint8_t *srcPtr = src[0];
378
379 if (srcFormat == AV_PIX_FMT_YA8) {
380 switch (dstFormat) {
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;
387 }
388 } else if (usePal(srcFormat)) {
389 switch (dstFormat) {
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;
396 }
397 }
398
399 if (!conv)
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));
402 else {
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];
407 }
408 }
409
410 return srcSliceH;
411}
412
413static 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)
416{
417 int x, h, i;
418 int dst_alpha = dst[3] != NULL;
419 for (h = 0; h < srcSliceH; h++) {
420 uint16_t *src_line = (uint16_t *)(src + srcStride * h);
421 switch (swap) {
422 case 3:
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);
429 }
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);
435 dst[3][x] = 0xFFFF;
436 }
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);
442 src_line++;
443 }
444 } else {
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);
449 }
450 }
451 break;
452 case 2:
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);
459 }
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);
465 dst[3][x] = 0xFFFF;
466 }
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);
472 src_line++;
473 }
474 } else {
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);
479 }
480 }
481 break;
482 case 1:
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;
489 }
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;
495 dst[3][x] = 0xFFFF;
496 }
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;
502 src_line++;
503 }
504 } else {
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;
509 }
510 }
511 break;
512 default:
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;
519 }
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;
525 dst[3][x] = 0xFFFF;
526 }
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;
532 src_line++;
533 }
534 } else {
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;
539 }
540 }
541 }
542 for (i = 0; i < 4; i++)
543 dst[i] += dstStride[i] >> 1;
544 }
545}
546
547static int Rgb16ToPlanarRgb16Wrapper(SwsContext *c, const uint8_t *src[],
548 int srcStride[], int srcSliceY, int srcSliceH,
549 uint8_t *dst[], int dstStride[])
550{
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;
559 int swap = 0;
560 if ( HAVE_BIGENDIAN && !(src_format->flags & AV_PIX_FMT_FLAG_BE) ||
561 !HAVE_BIGENDIAN && src_format->flags & AV_PIX_FMT_FLAG_BE)
562 swap++;
563 if ( HAVE_BIGENDIAN && !(dst_format->flags & AV_PIX_FMT_FLAG_BE) ||
564 !HAVE_BIGENDIAN && dst_format->flags & AV_PIX_FMT_FLAG_BE)
565 swap += 2;
566
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);
571 return srcSliceH;
572 }
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,
580 16 - bpc, c->srcW);
581 break;
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,
588 16 - bpc, c->srcW);
589 break;
590 default:
591 av_log(c, AV_LOG_ERROR,
592 "unsupported conversion to planar RGB %s -> %s\n",
593 src_format->name, dst_format->name);
594 }
595
596 return srcSliceH;
597}
598
599static 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)
602{
603 int x, h, i;
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);
608 uint16_t component;
609
610 switch(swap) {
611 case 3:
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);
620 *dest++ = 0xffff;
621 }
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);
632 }
633 } else {
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);
641 }
642 }
643 break;
644 case 2:
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);
650 *dest++ = 0xffff;
651 }
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);
658 }
659 } else {
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);
664 }
665 }
666 break;
667 case 1:
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;
673 *dest++ = 0xffff;
674 }
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;
681 }
682 } else {
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;
687 }
688 }
689 break;
690 default:
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;
696 *dest++ = 0xffff;
697 }
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;
704 }
705 } else {
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;
710 }
711 }
712 }
713 for (i = 0; i < 3 + src_alpha; i++)
714 src[i] += srcStride[i] >> 1;
715 }
716}
717
718static int planarRgb16ToRgb16Wrapper(SwsContext *c, const uint8_t *src[],
719 int srcStride[], int srcSliceY, int srcSliceH,
720 uint8_t *dst[], int dstStride[])
721{
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;
729 int swap = 0;
730 if ( HAVE_BIGENDIAN && !(src_format->flags & AV_PIX_FMT_FLAG_BE) ||
731 !HAVE_BIGENDIAN && src_format->flags & AV_PIX_FMT_FLAG_BE)
732 swap++;
733 if ( HAVE_BIGENDIAN && !(dst_format->flags & AV_PIX_FMT_FLAG_BE) ||
734 !HAVE_BIGENDIAN && dst_format->flags & AV_PIX_FMT_FLAG_BE)
735 swap += 2;
736
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);
742 return srcSliceH;
743 }
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);
750 break;
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);
756 break;
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);
762 break;
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);
768 break;
769 default:
770 av_log(c, AV_LOG_ERROR,
771 "unsupported planar RGB conversion %s -> %s\n",
772 src_format->name, dst_format->name);
773 }
774
775 return srcSliceH;
776}
777
778static void gbr24ptopacked24(const uint8_t *src[], int srcStride[],
779 uint8_t *dst, int dstStride, int srcSliceH,
780 int width)
781{
782 int x, h, i;
783 for (h = 0; h < srcSliceH; h++) {
784 uint8_t *dest = dst + dstStride * h;
785 for (x = 0; x < width; x++) {
786 *dest++ = src[0][x];
787 *dest++ = src[1][x];
788 *dest++ = src[2][x];
789 }
790
791 for (i = 0; i < 3; i++)
792 src[i] += srcStride[i];
793 }
794}
795
796static void gbr24ptopacked32(const uint8_t *src[], int srcStride[],
797 uint8_t *dst, int dstStride, int srcSliceH,
798 int alpha_first, int width)
799{
800 int x, h, i;
801 for (h = 0; h < srcSliceH; h++) {
802 uint8_t *dest = dst + dstStride * h;
803
804 if (alpha_first) {
805 for (x = 0; x < width; x++) {
806 *dest++ = 0xff;
807 *dest++ = src[0][x];
808 *dest++ = src[1][x];
809 *dest++ = src[2][x];
810 }
811 } else {
812 for (x = 0; x < width; x++) {
813 *dest++ = src[0][x];
814 *dest++ = src[1][x];
815 *dest++ = src[2][x];
816 *dest++ = 0xff;
817 }
818 }
819
820 for (i = 0; i < 3; i++)
821 src[i] += srcStride[i];
822 }
823}
824
825static int planarRgbToRgbWrapper(SwsContext *c, const uint8_t *src[],
826 int srcStride[], int srcSliceY, int srcSliceH,
827 uint8_t *dst[], int dstStride[])
828{
829 int alpha_first = 0;
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] };
834
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));
839 return srcSliceH;
840 }
841
842 switch (c->dstFormat) {
843 case AV_PIX_FMT_BGR24:
844 gbr24ptopacked24(src102, stride102,
845 dst[0] + srcSliceY * dstStride[0], dstStride[0],
846 srcSliceH, c->srcW);
847 break;
848
849 case AV_PIX_FMT_RGB24:
850 gbr24ptopacked24(src201, stride201,
851 dst[0] + srcSliceY * dstStride[0], dstStride[0],
852 srcSliceH, c->srcW);
853 break;
854
855 case AV_PIX_FMT_ARGB:
856 alpha_first = 1;
857 case AV_PIX_FMT_RGBA:
858 gbr24ptopacked32(src201, stride201,
859 dst[0] + srcSliceY * dstStride[0], dstStride[0],
860 srcSliceH, alpha_first, c->srcW);
861 break;
862
863 case AV_PIX_FMT_ABGR:
864 alpha_first = 1;
865 case AV_PIX_FMT_BGRA:
866 gbr24ptopacked32(src102, stride102,
867 dst[0] + srcSliceY * dstStride[0], dstStride[0],
868 srcSliceH, alpha_first, c->srcW);
869 break;
870
871 default:
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));
876 }
877
878 return srcSliceH;
879}
880
881static int planarRgbToplanarRgbWrapper(SwsContext *c, const uint8_t *src[],
882 int srcStride[], int srcSliceY, int srcSliceH,
883 uint8_t *dst[], int dstStride[])
884{
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]);
891 if (dst[3])
892 fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
893
894 return srcSliceH;
895}
896
897static 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)
900{
901 uint8_t *dest[3];
902 int x, h;
903
904 dest[0] = dst[0];
905 dest[1] = dst[1];
906 dest[2] = dst[2];
907
908 if (alpha_first)
909 src++;
910
911 for (h = 0; h < srcSliceH; h++) {
912 for (x = 0; x < width; x++) {
913 dest[0][x] = src[0];
914 dest[1][x] = src[1];
915 dest[2][x] = src[2];
916
917 src += inc_size;
918 }
919 src += srcStride - width * inc_size;
920 dest[0] += dstStride[0];
921 dest[1] += dstStride[1];
922 dest[2] += dstStride[2];
923 }
924}
925
926static int rgbToPlanarRgbWrapper(SwsContext *c, const uint8_t *src[],
927 int srcStride[], int srcSliceY, int srcSliceH,
928 uint8_t *dst[], int dstStride[])
929{
930 int alpha_first = 0;
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] };
939
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);
944 break;
945 case AV_PIX_FMT_BGR24:
946 packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst102,
947 stride102, srcSliceH, alpha_first, 3, c->srcW);
948 break;
949 case AV_PIX_FMT_ARGB:
950 alpha_first = 1;
951 case AV_PIX_FMT_RGBA:
952 packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst201,
953 stride201, srcSliceH, alpha_first, 4, c->srcW);
954 break;
955 case AV_PIX_FMT_ABGR:
956 alpha_first = 1;
957 case AV_PIX_FMT_BGRA:
958 packedtogbr24p((const uint8_t *) src[0], srcStride[0], dst102,
959 stride102, srcSliceH, alpha_first, 4, c->srcW);
960 break;
961 default:
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));
966 }
967
968 return srcSliceH;
969}
970
971#define BAYER_GBRG
972#define BAYER_8
973#define BAYER_RENAME(x) bayer_gbrg8_to_##x
974#include "bayer_template.c"
975
976#define BAYER_GBRG
977#define BAYER_16LE
978#define BAYER_RENAME(x) bayer_gbrg16le_to_##x
979#include "bayer_template.c"
980
981#define BAYER_GBRG
982#define BAYER_16BE
983#define BAYER_RENAME(x) bayer_gbrg16be_to_##x
984#include "bayer_template.c"
985
986#define BAYER_GRBG
987#define BAYER_8
988#define BAYER_RENAME(x) bayer_grbg8_to_##x
989#include "bayer_template.c"
990
991#define BAYER_GRBG
992#define BAYER_16LE
993#define BAYER_RENAME(x) bayer_grbg16le_to_##x
994#include "bayer_template.c"
995
996#define BAYER_GRBG
997#define BAYER_16BE
998#define BAYER_RENAME(x) bayer_grbg16be_to_##x
999#include "bayer_template.c"
1000
1001#define BAYER_BGGR
1002#define BAYER_8
1003#define BAYER_RENAME(x) bayer_bggr8_to_##x
1004#include "bayer_template.c"
1005
1006#define BAYER_BGGR
1007#define BAYER_16LE
1008#define BAYER_RENAME(x) bayer_bggr16le_to_##x
1009#include "bayer_template.c"
1010
1011#define BAYER_BGGR
1012#define BAYER_16BE
1013#define BAYER_RENAME(x) bayer_bggr16be_to_##x
1014#include "bayer_template.c"
1015
1016#define BAYER_RGGB
1017#define BAYER_8
1018#define BAYER_RENAME(x) bayer_rggb8_to_##x
1019#include "bayer_template.c"
1020
1021#define BAYER_RGGB
1022#define BAYER_16LE
1023#define BAYER_RENAME(x) bayer_rggb16le_to_##x
1024#include "bayer_template.c"
1025
1026#define BAYER_RGGB
1027#define BAYER_16BE
1028#define BAYER_RENAME(x) bayer_rggb16be_to_##x
1029#include "bayer_template.c"
1030
1031static int bayer_to_rgb24_wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
1032 int srcSliceH, uint8_t* dst[], int dstStride[])
1033{
1034 uint8_t *dstPtr= dst[0];
1035 const uint8_t *srcPtr= src[0];
1036 int i;
1037 void (*copy) (const uint8_t *src, int src_stride, uint8_t *dst, int dst_stride, int width);
1038 void (*interpolate)(const uint8_t *src, int src_stride, uint8_t *dst, int dst_stride, int width);
1039
1040 switch(c->srcFormat) {
1041#define CASE(pixfmt, prefix) \
1042 case pixfmt: copy = bayer_##prefix##_to_rgb24_copy; \
1043 interpolate = bayer_##prefix##_to_rgb24_interpolate; \
1044 break;
1045 CASE(AV_PIX_FMT_BAYER_BGGR8, bggr8)
1046 CASE(AV_PIX_FMT_BAYER_BGGR16LE, bggr16le)
1047 CASE(AV_PIX_FMT_BAYER_BGGR16BE, bggr16be)
1048 CASE(AV_PIX_FMT_BAYER_RGGB8, rggb8)
1049 CASE(AV_PIX_FMT_BAYER_RGGB16LE, rggb16le)
1050 CASE(AV_PIX_FMT_BAYER_RGGB16BE, rggb16be)
1051 CASE(AV_PIX_FMT_BAYER_GBRG8, gbrg8)
1052 CASE(AV_PIX_FMT_BAYER_GBRG16LE, gbrg16le)
1053 CASE(AV_PIX_FMT_BAYER_GBRG16BE, gbrg16be)
1054 CASE(AV_PIX_FMT_BAYER_GRBG8, grbg8)
1055 CASE(AV_PIX_FMT_BAYER_GRBG16LE, grbg16le)
1056 CASE(AV_PIX_FMT_BAYER_GRBG16BE, grbg16be)
1057#undef CASE
1058 default: return 0;
1059 }
1060
1061 copy(srcPtr, srcStride[0], dstPtr, dstStride[0], c->srcW);
1062 srcPtr += 2 * srcStride[0];
1063 dstPtr += 2 * dstStride[0];
1064
1065 for (i = 2; i < srcSliceH - 2; i += 2) {
1066 interpolate(srcPtr, srcStride[0], dstPtr, dstStride[0], c->srcW);
1067 srcPtr += 2 * srcStride[0];
1068 dstPtr += 2 * dstStride[0];
1069 }
1070
1071 copy(srcPtr, srcStride[0], dstPtr, dstStride[0], c->srcW);
1072 return srcSliceH;
1073}
1074
1075static int bayer_to_yv12_wrapper(SwsContext *c, const uint8_t* src[], int srcStride[], int srcSliceY,
1076 int srcSliceH, uint8_t* dst[], int dstStride[])
1077{
1078 const uint8_t *srcPtr= src[0];
1079 uint8_t *dstY= dst[0];
1080 uint8_t *dstU= dst[1];
1081 uint8_t *dstV= dst[2];
1082 int i;
1083 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);
1084 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);
1085
1086 switch(c->srcFormat) {
1087#define CASE(pixfmt, prefix) \
1088 case pixfmt: copy = bayer_##prefix##_to_yv12_copy; \
1089 interpolate = bayer_##prefix##_to_yv12_interpolate; \
1090 break;
1091 CASE(AV_PIX_FMT_BAYER_BGGR8, bggr8)
1092 CASE(AV_PIX_FMT_BAYER_BGGR16LE, bggr16le)
1093 CASE(AV_PIX_FMT_BAYER_BGGR16BE, bggr16be)
1094 CASE(AV_PIX_FMT_BAYER_RGGB8, rggb8)
1095 CASE(AV_PIX_FMT_BAYER_RGGB16LE, rggb16le)
1096 CASE(AV_PIX_FMT_BAYER_RGGB16BE, rggb16be)
1097 CASE(AV_PIX_FMT_BAYER_GBRG8, gbrg8)
1098 CASE(AV_PIX_FMT_BAYER_GBRG16LE, gbrg16le)
1099 CASE(AV_PIX_FMT_BAYER_GBRG16BE, gbrg16be)
1100 CASE(AV_PIX_FMT_BAYER_GRBG8, grbg8)
1101 CASE(AV_PIX_FMT_BAYER_GRBG16LE, grbg16le)
1102 CASE(AV_PIX_FMT_BAYER_GRBG16BE, grbg16be)
1103#undef CASE
1104 default: return 0;
1105 }
1106
1107 copy(srcPtr, srcStride[0], dstY, dstU, dstV, dstStride[0], c->srcW, c->input_rgb2yuv_table);
1108 srcPtr += 2 * srcStride[0];
1109 dstY += 2 * dstStride[0];
1110 dstU += dstStride[1];
1111 dstV += dstStride[1];
1112
1113 for (i = 2; i < srcSliceH - 2; i += 2) {
1114 interpolate(srcPtr, srcStride[0], dstY, dstU, dstV, dstStride[0], c->srcW, c->input_rgb2yuv_table);
1115 srcPtr += 2 * srcStride[0];
1116 dstY += 2 * dstStride[0];
1117 dstU += dstStride[1];
1118 dstV += dstStride[1];
1119 }
1120
1121 copy(srcPtr, srcStride[0], dstY, dstU, dstV, dstStride[0], c->srcW, c->input_rgb2yuv_table);
1122 return srcSliceH;
1123}
1124
1125#define isRGBA32(x) ( \
1126 (x) == AV_PIX_FMT_ARGB \
1127 || (x) == AV_PIX_FMT_RGBA \
1128 || (x) == AV_PIX_FMT_BGRA \
1129 || (x) == AV_PIX_FMT_ABGR \
1130 )
1131
1132#define isRGBA64(x) ( \
1133 (x) == AV_PIX_FMT_RGBA64LE \
1134 || (x) == AV_PIX_FMT_RGBA64BE \
1135 || (x) == AV_PIX_FMT_BGRA64LE \
1136 || (x) == AV_PIX_FMT_BGRA64BE \
1137 )
1138
1139#define isRGB48(x) ( \
1140 (x) == AV_PIX_FMT_RGB48LE \
1141 || (x) == AV_PIX_FMT_RGB48BE \
1142 || (x) == AV_PIX_FMT_BGR48LE \
1143 || (x) == AV_PIX_FMT_BGR48BE \
1144 )
1145
1146/* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */
1147typedef void (* rgbConvFn) (const uint8_t *, uint8_t *, int);
1148static rgbConvFn findRgbConvFn(SwsContext *c)
1149{
1150 const enum AVPixelFormat srcFormat = c->srcFormat;
1151 const enum AVPixelFormat dstFormat = c->dstFormat;
1152 const int srcId = c->srcFormatBpp;
1153 const int dstId = c->dstFormatBpp;
1154 rgbConvFn conv = NULL;
1155
1156#define IS_NOT_NE(bpp, desc) \
1157 (((bpp + 7) >> 3) == 2 && \
1158 (!(desc->flags & AV_PIX_FMT_FLAG_BE) != !HAVE_BIGENDIAN))
1159
1160#define CONV_IS(src, dst) (srcFormat == AV_PIX_FMT_##src && dstFormat == AV_PIX_FMT_##dst)
1161
1162 if (isRGBA32(srcFormat) && isRGBA32(dstFormat)) {
1163 if ( CONV_IS(ABGR, RGBA)
1164 || CONV_IS(ARGB, BGRA)
1165 || CONV_IS(BGRA, ARGB)
1166 || CONV_IS(RGBA, ABGR)) conv = shuffle_bytes_3210;
1167 else if (CONV_IS(ABGR, ARGB)
1168 || CONV_IS(ARGB, ABGR)) conv = shuffle_bytes_0321;
1169 else if (CONV_IS(ABGR, BGRA)
1170 || CONV_IS(ARGB, RGBA)) conv = shuffle_bytes_1230;
1171 else if (CONV_IS(BGRA, RGBA)
1172 || CONV_IS(RGBA, BGRA)) conv = shuffle_bytes_2103;
1173 else if (CONV_IS(BGRA, ABGR)
1174 || CONV_IS(RGBA, ARGB)) conv = shuffle_bytes_3012;
1175 } else if (isRGB48(srcFormat) && isRGB48(dstFormat)) {
1176 if (CONV_IS(RGB48LE, BGR48LE)
1177 || CONV_IS(BGR48LE, RGB48LE)
1178 || CONV_IS(RGB48BE, BGR48BE)
1179 || CONV_IS(BGR48BE, RGB48BE)) conv = rgb48tobgr48_nobswap;
1180 else if (CONV_IS(RGB48LE, BGR48BE)
1181 || CONV_IS(BGR48LE, RGB48BE)
1182 || CONV_IS(RGB48BE, BGR48LE)
1183 || CONV_IS(BGR48BE, RGB48LE)) conv = rgb48tobgr48_bswap;
1184 } else if (isRGBA64(srcFormat) && isRGB48(dstFormat)) {
1185 if (CONV_IS(RGBA64LE, BGR48LE)
1186 || CONV_IS(BGRA64LE, RGB48LE)
1187 || CONV_IS(RGBA64BE, BGR48BE)
1188 || CONV_IS(BGRA64BE, RGB48BE)) conv = rgb64tobgr48_nobswap;
1189 else if (CONV_IS(RGBA64LE, BGR48BE)
1190 || CONV_IS(BGRA64LE, RGB48BE)
1191 || CONV_IS(RGBA64BE, BGR48LE)
1192 || CONV_IS(BGRA64BE, RGB48LE)) conv = rgb64tobgr48_bswap;
1193 else if (CONV_IS(RGBA64LE, RGB48LE)
1194 || CONV_IS(BGRA64LE, BGR48LE)
1195 || CONV_IS(RGBA64BE, RGB48BE)
1196 || CONV_IS(BGRA64BE, BGR48BE)) conv = rgb64to48_nobswap;
1197 else if (CONV_IS(RGBA64LE, RGB48BE)
1198 || CONV_IS(BGRA64LE, BGR48BE)
1199 || CONV_IS(RGBA64BE, RGB48LE)
1200 || CONV_IS(BGRA64BE, BGR48LE)) conv = rgb64to48_bswap;
1201 } else
1202 /* BGR -> BGR */
1203 if ((isBGRinInt(srcFormat) && isBGRinInt(dstFormat)) ||
1204 (isRGBinInt(srcFormat) && isRGBinInt(dstFormat))) {
1205 switch (srcId | (dstId << 16)) {
1206 case 0x000F000C: conv = rgb12to15; break;
1207 case 0x000F0010: conv = rgb16to15; break;
1208 case 0x000F0018: conv = rgb24to15; break;
1209 case 0x000F0020: conv = rgb32to15; break;
1210 case 0x0010000F: conv = rgb15to16; break;
1211 case 0x00100018: conv = rgb24to16; break;
1212 case 0x00100020: conv = rgb32to16; break;
1213 case 0x0018000F: conv = rgb15to24; break;
1214 case 0x00180010: conv = rgb16to24; break;
1215 case 0x00180020: conv = rgb32to24; break;
1216 case 0x0020000F: conv = rgb15to32; break;
1217 case 0x00200010: conv = rgb16to32; break;
1218 case 0x00200018: conv = rgb24to32; break;
1219 }
1220 } else if ((isBGRinInt(srcFormat) && isRGBinInt(dstFormat)) ||
1221 (isRGBinInt(srcFormat) && isBGRinInt(dstFormat))) {
1222 switch (srcId | (dstId << 16)) {
1223 case 0x000C000C: conv = rgb12tobgr12; break;
1224 case 0x000F000F: conv = rgb15tobgr15; break;
1225 case 0x000F0010: conv = rgb16tobgr15; break;
1226 case 0x000F0018: conv = rgb24tobgr15; break;
1227 case 0x000F0020: conv = rgb32tobgr15; break;
1228 case 0x0010000F: conv = rgb15tobgr16; break;
1229 case 0x00100010: conv = rgb16tobgr16; break;
1230 case 0x00100018: conv = rgb24tobgr16; break;
1231 case 0x00100020: conv = rgb32tobgr16; break;
1232 case 0x0018000F: conv = rgb15tobgr24; break;
1233 case 0x00180010: conv = rgb16tobgr24; break;
1234 case 0x00180018: conv = rgb24tobgr24; break;
1235 case 0x00180020: conv = rgb32tobgr24; break;
1236 case 0x0020000F: conv = rgb15tobgr32; break;
1237 case 0x00200010: conv = rgb16tobgr32; break;
1238 case 0x00200018: conv = rgb24tobgr32; break;
1239 }
1240 }
1241
1242 if ((dstFormat == AV_PIX_FMT_RGB32_1 || dstFormat == AV_PIX_FMT_BGR32_1) && !isRGBA32(srcFormat) && ALT32_CORR<0)
1243 return NULL;
1244
1245 return conv;
1246}
1247
1248/* {RGB,BGR}{15,16,24,32,32_1} -> {RGB,BGR}{15,16,24,32} */
1249static int rgbToRgbWrapper(SwsContext *c, const uint8_t *src[], int srcStride[],
1250 int srcSliceY, int srcSliceH, uint8_t *dst[],
1251 int dstStride[])
1252
1253{
1254 const enum AVPixelFormat srcFormat = c->srcFormat;
1255 const enum AVPixelFormat dstFormat = c->dstFormat;
1256 const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(c->srcFormat);
1257 const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(c->dstFormat);
1258 const int srcBpp = (c->srcFormatBpp + 7) >> 3;
1259 const int dstBpp = (c->dstFormatBpp + 7) >> 3;
1260 rgbConvFn conv = findRgbConvFn(c);
1261
1262 if (!conv) {
1263 av_log(c, AV_LOG_ERROR, "internal error %s -> %s converter\n",
1264 av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat));
1265 } else {
1266 const uint8_t *srcPtr = src[0];
1267 uint8_t *dstPtr = dst[0];
1268 int src_bswap = IS_NOT_NE(c->srcFormatBpp, desc_src);
1269 int dst_bswap = IS_NOT_NE(c->dstFormatBpp, desc_dst);
1270
1271 if ((srcFormat == AV_PIX_FMT_RGB32_1 || srcFormat == AV_PIX_FMT_BGR32_1) &&
1272 !isRGBA32(dstFormat))
1273 srcPtr += ALT32_CORR;
1274
1275 if ((dstFormat == AV_PIX_FMT_RGB32_1 || dstFormat == AV_PIX_FMT_BGR32_1) &&
1276 !isRGBA32(srcFormat)) {
1277 int i;
1278 av_assert0(ALT32_CORR == 1);
1279 for (i = 0; i < srcSliceH; i++)
1280 dstPtr[dstStride[0] * (srcSliceY + i)] = 255;
1281 dstPtr += ALT32_CORR;
1282 }
1283
1284 if (dstStride[0] * srcBpp == srcStride[0] * dstBpp && srcStride[0] > 0 &&
1285 !(srcStride[0] % srcBpp) && !dst_bswap && !src_bswap)
1286 conv(srcPtr, dstPtr + dstStride[0] * srcSliceY,
1287 (srcSliceH - 1) * srcStride[0] + c->srcW * srcBpp);
1288 else {
1289 int i, j;
1290 dstPtr += dstStride[0] * srcSliceY;
1291
1292 for (i = 0; i < srcSliceH; i++) {
1293 if(src_bswap) {
1294 for(j=0; j<c->srcW; j++)
1295 ((uint16_t*)c->formatConvBuffer)[j] = av_bswap16(((uint16_t*)srcPtr)[j]);
1296 conv(c->formatConvBuffer, dstPtr, c->srcW * srcBpp);
1297 }else
1298 conv(srcPtr, dstPtr, c->srcW * srcBpp);
1299 if(dst_bswap)
1300 for(j=0; j<c->srcW; j++)
1301 ((uint16_t*)dstPtr)[j] = av_bswap16(((uint16_t*)dstPtr)[j]);
1302 srcPtr += srcStride[0];
1303 dstPtr += dstStride[0];
1304 }
1305 }
1306 }
1307 return srcSliceH;
1308}
1309
1310static int bgr24ToYv12Wrapper(SwsContext *c, const uint8_t *src[],
1311 int srcStride[], int srcSliceY, int srcSliceH,
1312 uint8_t *dst[], int dstStride[])
1313{
1314 ff_rgb24toyv12(
1315 src[0],
1316 dst[0] + srcSliceY * dstStride[0],
1317 dst[1] + (srcSliceY >> 1) * dstStride[1],
1318 dst[2] + (srcSliceY >> 1) * dstStride[2],
1319 c->srcW, srcSliceH,
1320 dstStride[0], dstStride[1], srcStride[0],
1321 c->input_rgb2yuv_table);
1322 if (dst[3])
1323 fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
1324 return srcSliceH;
1325}
1326
1327static int yvu9ToYv12Wrapper(SwsContext *c, const uint8_t *src[],
1328 int srcStride[], int srcSliceY, int srcSliceH,
1329 uint8_t *dst[], int dstStride[])
1330{
1331 copyPlane(src[0], srcStride[0], srcSliceY, srcSliceH, c->srcW,
1332 dst[0], dstStride[0]);
1333
1334 planar2x(src[1], dst[1] + dstStride[1] * (srcSliceY >> 1), c->chrSrcW,
1335 srcSliceH >> 2, srcStride[1], dstStride[1]);
1336 planar2x(src[2], dst[2] + dstStride[2] * (srcSliceY >> 1), c->chrSrcW,
1337 srcSliceH >> 2, srcStride[2], dstStride[2]);
1338 if (dst[3])
1339 fillPlane(dst[3], dstStride[3], c->srcW, srcSliceH, srcSliceY, 255);
1340 return srcSliceH;
1341}
1342
1343/* unscaled copy like stuff (assumes nearly identical formats) */
1344static int packedCopyWrapper(SwsContext *c, const uint8_t *src[],
1345 int srcStride[], int srcSliceY, int srcSliceH,
1346 uint8_t *dst[], int dstStride[])
1347{
1348 if (dstStride[0] == srcStride[0] && srcStride[0] > 0)
1349 memcpy(dst[0] + dstStride[0] * srcSliceY, src[0], srcSliceH * dstStride[0]);
1350 else {
1351 int i;
1352 const uint8_t *srcPtr = src[0];
1353 uint8_t *dstPtr = dst[0] + dstStride[0] * srcSliceY;
1354 int length = 0;
1355
1356 /* universal length finder */
1357 while (length + c->srcW <= FFABS(dstStride[0]) &&
1358 length + c->srcW <= FFABS(srcStride[0]))
1359 length += c->srcW;
1360 av_assert1(length != 0);
1361
1362 for (i = 0; i < srcSliceH; i++) {
1363 memcpy(dstPtr, srcPtr, length);
1364 srcPtr += srcStride[0];
1365 dstPtr += dstStride[0];
1366 }
1367 }
1368 return srcSliceH;
1369}
1370
1371#define DITHER_COPY(dst, dstStride, src, srcStride, bswap, dbswap)\
1372 uint16_t scale= dither_scale[dst_depth-1][src_depth-1];\
1373 int shift= src_depth-dst_depth + dither_scale[src_depth-2][dst_depth-1];\
1374 for (i = 0; i < height; i++) {\
1375 const uint8_t *dither= dithers[src_depth-9][i&7];\
1376 for (j = 0; j < length-7; j+=8){\
1377 dst[j+0] = dbswap((bswap(src[j+0]) + dither[0])*scale>>shift);\
1378 dst[j+1] = dbswap((bswap(src[j+1]) + dither[1])*scale>>shift);\
1379 dst[j+2] = dbswap((bswap(src[j+2]) + dither[2])*scale>>shift);\
1380 dst[j+3] = dbswap((bswap(src[j+3]) + dither[3])*scale>>shift);\
1381 dst[j+4] = dbswap((bswap(src[j+4]) + dither[4])*scale>>shift);\
1382 dst[j+5] = dbswap((bswap(src[j+5]) + dither[5])*scale>>shift);\
1383 dst[j+6] = dbswap((bswap(src[j+6]) + dither[6])*scale>>shift);\
1384 dst[j+7] = dbswap((bswap(src[j+7]) + dither[7])*scale>>shift);\
1385 }\
1386 for (; j < length; j++)\
1387 dst[j] = dbswap((bswap(src[j]) + dither[j&7])*scale>>shift);\
1388 dst += dstStride;\
1389 src += srcStride;\
1390 }
1391
1392static int planarCopyWrapper(SwsContext *c, const uint8_t *src[],
1393 int srcStride[], int srcSliceY, int srcSliceH,
1394 uint8_t *dst[], int dstStride[])
1395{
1396 const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(c->srcFormat);
1397 const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(c->dstFormat);
1398 int plane, i, j;
1399 for (plane = 0; plane < 4; plane++) {
1400 int length = (plane == 0 || plane == 3) ? c->srcW : FF_CEIL_RSHIFT(c->srcW, c->chrDstHSubSample);
1401 int y = (plane == 0 || plane == 3) ? srcSliceY: FF_CEIL_RSHIFT(srcSliceY, c->chrDstVSubSample);
1402 int height = (plane == 0 || plane == 3) ? srcSliceH: FF_CEIL_RSHIFT(srcSliceH, c->chrDstVSubSample);
1403 const uint8_t *srcPtr = src[plane];
1404 uint8_t *dstPtr = dst[plane] + dstStride[plane] * y;
1405 int shiftonly= plane==1 || plane==2 || (!c->srcRange && plane==0);
1406
1407 if (!dst[plane])
1408 continue;
1409 // ignore palette for GRAY8
1410 if (plane == 1 && !dst[2]) continue;
1411 if (!src[plane] || (plane == 1 && !src[2])) {
1412 if (is16BPS(c->dstFormat) || isNBPS(c->dstFormat)) {
1413 fillPlane16(dst[plane], dstStride[plane], length, height, y,
1414 plane == 3, desc_dst->comp[plane].depth_minus1,
1415 isBE(c->dstFormat));
1416 } else {
1417 fillPlane(dst[plane], dstStride[plane], length, height, y,
1418 (plane == 3) ? 255 : 128);
1419 }
1420 } else {
1421 if(isNBPS(c->srcFormat) || isNBPS(c->dstFormat)
1422 || (is16BPS(c->srcFormat) != is16BPS(c->dstFormat))
1423 ) {
1424 const int src_depth = desc_src->comp[plane].depth_minus1 + 1;
1425 const int dst_depth = desc_dst->comp[plane].depth_minus1 + 1;
1426 const uint16_t *srcPtr2 = (const uint16_t *) srcPtr;
1427 uint16_t *dstPtr2 = (uint16_t*)dstPtr;
1428
1429 if (dst_depth == 8) {
1430 if(isBE(c->srcFormat) == HAVE_BIGENDIAN){
1431 DITHER_COPY(dstPtr, dstStride[plane], srcPtr2, srcStride[plane]/2, , )
1432 } else {
1433 DITHER_COPY(dstPtr, dstStride[plane], srcPtr2, srcStride[plane]/2, av_bswap16, )
1434 }
1435 } else if (src_depth == 8) {
1436 for (i = 0; i < height; i++) {
1437 #define COPY816(w)\
1438 if(shiftonly){\
1439 for (j = 0; j < length; j++)\
1440 w(&dstPtr2[j], srcPtr[j]<<(dst_depth-8));\
1441 }else{\
1442 for (j = 0; j < length; j++)\
1443 w(&dstPtr2[j], (srcPtr[j]<<(dst_depth-8)) |\
1444 (srcPtr[j]>>(2*8-dst_depth)));\
1445 }
1446 if(isBE(c->dstFormat)){
1447 COPY816(AV_WB16)
1448 } else {
1449 COPY816(AV_WL16)
1450 }
1451 dstPtr2 += dstStride[plane]/2;
1452 srcPtr += srcStride[plane];
1453 }
1454 } else if (src_depth <= dst_depth) {
1455 for (i = 0; i < height; i++) {
1456 j = 0;
1457 if(isBE(c->srcFormat) == HAVE_BIGENDIAN &&
1458 isBE(c->dstFormat) == HAVE_BIGENDIAN &&
1459 shiftonly) {
1460 unsigned shift = dst_depth - src_depth;
1461#if HAVE_FAST_64BIT
1462#define FAST_COPY_UP(shift) \
1463 for (; j < length - 3; j += 4) { \
1464 uint64_t v = AV_RN64A(srcPtr2 + j); \
1465 AV_WN64A(dstPtr2 + j, v << shift); \
1466 }
1467#else
1468#define FAST_COPY_UP(shift) \
1469 for (; j < length - 1; j += 2) { \
1470 uint32_t v = AV_RN32A(srcPtr2 + j); \
1471 AV_WN32A(dstPtr2 + j, v << shift); \
1472 }
1473#endif
1474 switch (shift)
1475 {
1476 case 6: FAST_COPY_UP(6); break;
1477 case 7: FAST_COPY_UP(7); break;
1478 }
1479 }
1480#define COPY_UP(r,w) \
1481 if(shiftonly){\
1482 for (; j < length; j++){ \
1483 unsigned int v= r(&srcPtr2[j]);\
1484 w(&dstPtr2[j], v<<(dst_depth-src_depth));\
1485 }\
1486 }else{\
1487 for (; j < length; j++){ \
1488 unsigned int v= r(&srcPtr2[j]);\
1489 w(&dstPtr2[j], (v<<(dst_depth-src_depth)) | \
1490 (v>>(2*src_depth-dst_depth)));\
1491 }\
1492 }
1493 if(isBE(c->srcFormat)){
1494 if(isBE(c->dstFormat)){
1495 COPY_UP(AV_RB16, AV_WB16)
1496 } else {
1497 COPY_UP(AV_RB16, AV_WL16)
1498 }
1499 } else {
1500 if(isBE(c->dstFormat)){
1501 COPY_UP(AV_RL16, AV_WB16)
1502 } else {
1503 COPY_UP(AV_RL16, AV_WL16)
1504 }
1505 }
1506 dstPtr2 += dstStride[plane]/2;
1507 srcPtr2 += srcStride[plane]/2;
1508 }
1509 } else {
1510 if(isBE(c->srcFormat) == HAVE_BIGENDIAN){
1511 if(isBE(c->dstFormat) == HAVE_BIGENDIAN){
1512 DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, , )
1513 } else {
1514 DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, , av_bswap16)
1515 }
1516 }else{
1517 if(isBE(c->dstFormat) == HAVE_BIGENDIAN){
1518 DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, av_bswap16, )
1519 } else {
1520 DITHER_COPY(dstPtr2, dstStride[plane]/2, srcPtr2, srcStride[plane]/2, av_bswap16, av_bswap16)
1521 }
1522 }
1523 }
1524 } else if (is16BPS(c->srcFormat) && is16BPS(c->dstFormat) &&
1525 isBE(c->srcFormat) != isBE(c->dstFormat)) {
1526
1527 for (i = 0; i < height; i++) {
1528 for (j = 0; j < length; j++)
1529 ((uint16_t *) dstPtr)[j] = av_bswap16(((const uint16_t *) srcPtr)[j]);
1530 srcPtr += srcStride[plane];
1531 dstPtr += dstStride[plane];
1532 }
1533 } else if (dstStride[plane] == srcStride[plane] &&
1534 srcStride[plane] > 0 && srcStride[plane] == length) {
1535 memcpy(dst[plane] + dstStride[plane] * y, src[plane],
1536 height * dstStride[plane]);
1537 } else {
1538 if (is16BPS(c->srcFormat) && is16BPS(c->dstFormat))
1539 length *= 2;
1540 else if (!desc_src->comp[0].depth_minus1)
1541 length >>= 3; // monowhite/black
1542 for (i = 0; i < height; i++) {
1543 memcpy(dstPtr, srcPtr, length);
1544 srcPtr += srcStride[plane];
1545 dstPtr += dstStride[plane];
1546 }
1547 }
1548 }
1549 }
1550 return srcSliceH;
1551}
1552
1553
1554#define IS_DIFFERENT_ENDIANESS(src_fmt, dst_fmt, pix_fmt) \
1555 ((src_fmt == pix_fmt ## BE && dst_fmt == pix_fmt ## LE) || \
1556 (src_fmt == pix_fmt ## LE && dst_fmt == pix_fmt ## BE))
1557
1558
1559void ff_get_unscaled_swscale(SwsContext *c)
1560{
1561 const enum AVPixelFormat srcFormat = c->srcFormat;
1562 const enum AVPixelFormat dstFormat = c->dstFormat;
1563 const int flags = c->flags;
1564 const int dstH = c->dstH;
1565 int needsDither;
1566
1567 needsDither = isAnyRGB(dstFormat) &&
1568 c->dstFormatBpp < 24 &&
1569 (c->dstFormatBpp < c->srcFormatBpp || (!isAnyRGB(srcFormat)));
1570
1571 /* yv12_to_nv12 */
1572 if ((srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUVA420P) &&
1573 (dstFormat == AV_PIX_FMT_NV12 || dstFormat == AV_PIX_FMT_NV21)) {
1574 c->swscale = planarToNv12Wrapper;
1575 }
1576 /* nv12_to_yv12 */
1577 if (dstFormat == AV_PIX_FMT_YUV420P &&
1578 (srcFormat == AV_PIX_FMT_NV12 || srcFormat == AV_PIX_FMT_NV21)) {
1579 c->swscale = nv12ToPlanarWrapper;
1580 }
1581 /* yuv2bgr */
1582 if ((srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUV422P ||
1583 srcFormat == AV_PIX_FMT_YUVA420P) && isAnyRGB(dstFormat) &&
1584 !(flags & SWS_ACCURATE_RND) && (c->dither == SWS_DITHER_BAYER || c->dither == SWS_DITHER_AUTO) && !(dstH & 1)) {
1585 c->swscale = ff_yuv2rgb_get_func_ptr(c);
1586 }
1587
1588 if (srcFormat == AV_PIX_FMT_YUV410P && !(dstH & 3) &&
1589 (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P) &&
1590 !(flags & SWS_BITEXACT)) {
1591 c->swscale = yvu9ToYv12Wrapper;
1592 }
1593
1594 /* bgr24toYV12 */
1595 if (srcFormat == AV_PIX_FMT_BGR24 &&
1596 (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P) &&
1597 !(flags & SWS_ACCURATE_RND))
1598 c->swscale = bgr24ToYv12Wrapper;
1599
1600 /* RGB/BGR -> RGB/BGR (no dither needed forms) */
1601 if (isAnyRGB(srcFormat) && isAnyRGB(dstFormat) && findRgbConvFn(c)
1602 && (!needsDither || (c->flags&(SWS_FAST_BILINEAR|SWS_POINT))))
1603 c->swscale = rgbToRgbWrapper;
1604
1605 if ((srcFormat == AV_PIX_FMT_GBRP && dstFormat == AV_PIX_FMT_GBRAP) ||
1606 (srcFormat == AV_PIX_FMT_GBRAP && dstFormat == AV_PIX_FMT_GBRP))
1607 c->swscale = planarRgbToplanarRgbWrapper;
1608
1609#define isByteRGB(f) ( \
1610 f == AV_PIX_FMT_RGB32 || \
1611 f == AV_PIX_FMT_RGB32_1 || \
1612 f == AV_PIX_FMT_RGB24 || \
1613 f == AV_PIX_FMT_BGR32 || \
1614 f == AV_PIX_FMT_BGR32_1 || \
1615 f == AV_PIX_FMT_BGR24)
1616
1617 if (srcFormat == AV_PIX_FMT_GBRP && isPlanar(srcFormat) && isByteRGB(dstFormat))
1618 c->swscale = planarRgbToRgbWrapper;
1619
1620 if ((srcFormat == AV_PIX_FMT_RGB48LE || srcFormat == AV_PIX_FMT_RGB48BE ||
1621 srcFormat == AV_PIX_FMT_BGR48LE || srcFormat == AV_PIX_FMT_BGR48BE ||
1622 srcFormat == AV_PIX_FMT_RGBA64LE || srcFormat == AV_PIX_FMT_RGBA64BE ||
1623 srcFormat == AV_PIX_FMT_BGRA64LE || srcFormat == AV_PIX_FMT_BGRA64BE) &&
1624 (dstFormat == AV_PIX_FMT_GBRP9LE || dstFormat == AV_PIX_FMT_GBRP9BE ||
1625 dstFormat == AV_PIX_FMT_GBRP10LE || dstFormat == AV_PIX_FMT_GBRP10BE ||
1626 dstFormat == AV_PIX_FMT_GBRP12LE || dstFormat == AV_PIX_FMT_GBRP12BE ||
1627 dstFormat == AV_PIX_FMT_GBRP14LE || dstFormat == AV_PIX_FMT_GBRP14BE ||
1628 dstFormat == AV_PIX_FMT_GBRP16LE || dstFormat == AV_PIX_FMT_GBRP16BE ||
1629 dstFormat == AV_PIX_FMT_GBRAP16LE || dstFormat == AV_PIX_FMT_GBRAP16BE ))
1630 c->swscale = Rgb16ToPlanarRgb16Wrapper;
1631
1632 if ((srcFormat == AV_PIX_FMT_GBRP9LE || srcFormat == AV_PIX_FMT_GBRP9BE ||
1633 srcFormat == AV_PIX_FMT_GBRP16LE || srcFormat == AV_PIX_FMT_GBRP16BE ||
1634 srcFormat == AV_PIX_FMT_GBRP10LE || srcFormat == AV_PIX_FMT_GBRP10BE ||
1635 srcFormat == AV_PIX_FMT_GBRP12LE || srcFormat == AV_PIX_FMT_GBRP12BE ||
1636 srcFormat == AV_PIX_FMT_GBRP14LE || srcFormat == AV_PIX_FMT_GBRP14BE ||
1637 srcFormat == AV_PIX_FMT_GBRAP16LE || srcFormat == AV_PIX_FMT_GBRAP16BE) &&
1638 (dstFormat == AV_PIX_FMT_RGB48LE || dstFormat == AV_PIX_FMT_RGB48BE ||
1639 dstFormat == AV_PIX_FMT_BGR48LE || dstFormat == AV_PIX_FMT_BGR48BE ||
1640 dstFormat == AV_PIX_FMT_RGBA64LE || dstFormat == AV_PIX_FMT_RGBA64BE ||
1641 dstFormat == AV_PIX_FMT_BGRA64LE || dstFormat == AV_PIX_FMT_BGRA64BE))
1642 c->swscale = planarRgb16ToRgb16Wrapper;
1643
1644 if (av_pix_fmt_desc_get(srcFormat)->comp[0].depth_minus1 == 7 &&
1645 isPackedRGB(srcFormat) && dstFormat == AV_PIX_FMT_GBRP)
1646 c->swscale = rgbToPlanarRgbWrapper;
1647
1648 if (isBayer(srcFormat)) {
1649 if (dstFormat == AV_PIX_FMT_RGB24)
1650 c->swscale = bayer_to_rgb24_wrapper;
1651 else if (dstFormat == AV_PIX_FMT_YUV420P)
1652 c->swscale = bayer_to_yv12_wrapper;
1653 else if (!isBayer(dstFormat)) {
1654 av_log(c, AV_LOG_ERROR, "unsupported bayer conversion\n");
1655 av_assert0(0);
1656 }
1657 }
1658
1659 /* bswap 16 bits per pixel/component packed formats */
1660 if (IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BAYER_BGGR16) ||
1661 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BAYER_RGGB16) ||
1662 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BAYER_GBRG16) ||
1663 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BAYER_GRBG16) ||
1664 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR444) ||
1665 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR48) ||
1666 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGRA64) ||
1667 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR555) ||
1668 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGR565) ||
1669 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_BGRA64) ||
1670 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GRAY16) ||
1671 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YA16) ||
1672 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP9) ||
1673 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP10) ||
1674 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP12) ||
1675 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP14) ||
1676 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRP16) ||
1677 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_GBRAP16) ||
1678 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB444) ||
1679 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB48) ||
1680 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGBA64) ||
1681 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB555) ||
1682 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGB565) ||
1683 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_RGBA64) ||
1684 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_XYZ12) ||
1685 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P9) ||
1686 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P10) ||
1687 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P12) ||
1688 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P14) ||
1689 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV420P16) ||
1690 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P9) ||
1691 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P10) ||
1692 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P12) ||
1693 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P14) ||
1694 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV422P16) ||
1695 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P9) ||
1696 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P10) ||
1697 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P12) ||
1698 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P14) ||
1699 IS_DIFFERENT_ENDIANESS(srcFormat, dstFormat, AV_PIX_FMT_YUV444P16))
1700 c->swscale = packed_16bpc_bswap;
1701
1702 if (usePal(srcFormat) && isByteRGB(dstFormat))
1703 c->swscale = palToRgbWrapper;
1704
1705 if (srcFormat == AV_PIX_FMT_YUV422P) {
1706 if (dstFormat == AV_PIX_FMT_YUYV422)
1707 c->swscale = yuv422pToYuy2Wrapper;
1708 else if (dstFormat == AV_PIX_FMT_UYVY422)
1709 c->swscale = yuv422pToUyvyWrapper;
1710 }
1711
1712 /* LQ converters if -sws 0 or -sws 4*/
1713 if (c->flags&(SWS_FAST_BILINEAR|SWS_POINT)) {
1714 /* yv12_to_yuy2 */
1715 if (srcFormat == AV_PIX_FMT_YUV420P || srcFormat == AV_PIX_FMT_YUVA420P) {
1716 if (dstFormat == AV_PIX_FMT_YUYV422)
1717 c->swscale = planarToYuy2Wrapper;
1718 else if (dstFormat == AV_PIX_FMT_UYVY422)
1719 c->swscale = planarToUyvyWrapper;
1720 }
1721 }
1722 if (srcFormat == AV_PIX_FMT_YUYV422 &&
1723 (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P))
1724 c->swscale = yuyvToYuv420Wrapper;
1725 if (srcFormat == AV_PIX_FMT_UYVY422 &&
1726 (dstFormat == AV_PIX_FMT_YUV420P || dstFormat == AV_PIX_FMT_YUVA420P))
1727 c->swscale = uyvyToYuv420Wrapper;
1728 if (srcFormat == AV_PIX_FMT_YUYV422 && dstFormat == AV_PIX_FMT_YUV422P)
1729 c->swscale = yuyvToYuv422Wrapper;
1730 if (srcFormat == AV_PIX_FMT_UYVY422 && dstFormat == AV_PIX_FMT_YUV422P)
1731 c->swscale = uyvyToYuv422Wrapper;
1732
1733#define isPlanarGray(x) (isGray(x) && (x) != AV_PIX_FMT_YA8 && (x) != AV_PIX_FMT_YA16LE && (x) != AV_PIX_FMT_YA16BE)
1734 /* simple copy */
1735 if ( srcFormat == dstFormat ||
1736 (srcFormat == AV_PIX_FMT_YUVA420P && dstFormat == AV_PIX_FMT_YUV420P) ||
1737 (srcFormat == AV_PIX_FMT_YUV420P && dstFormat == AV_PIX_FMT_YUVA420P) ||
1738 (isPlanarYUV(srcFormat) && isPlanarGray(dstFormat)) ||
1739 (isPlanarYUV(dstFormat) && isPlanarGray(srcFormat)) ||
1740 (isPlanarGray(dstFormat) && isPlanarGray(srcFormat)) ||
1741 (isPlanarYUV(srcFormat) && isPlanarYUV(dstFormat) &&
1742 c->chrDstHSubSample == c->chrSrcHSubSample &&
1743 c->chrDstVSubSample == c->chrSrcVSubSample &&
1744 dstFormat != AV_PIX_FMT_NV12 && dstFormat != AV_PIX_FMT_NV21 &&
1745 srcFormat != AV_PIX_FMT_NV12 && srcFormat != AV_PIX_FMT_NV21))
1746 {
1747 if (isPacked(c->srcFormat))
1748 c->swscale = packedCopyWrapper;
1749 else /* Planar YUV or gray */
1750 c->swscale = planarCopyWrapper;
1751 }
1752
1753 if (ARCH_PPC)
1754 ff_get_unscaled_swscale_ppc(c);
1755// if (ARCH_ARM)
1756// ff_get_unscaled_swscale_arm(c);
1757}
1758
1759/* Convert the palette to the same packed 32-bit format as the palette */
1760void sws_convertPalette8ToPacked32(const uint8_t *src, uint8_t *dst,
1761 int num_pixels, const uint8_t *palette)
1762{
1763 int i;
1764
1765 for (i = 0; i < num_pixels; i++)
1766 ((uint32_t *) dst)[i] = ((const uint32_t *) palette)[src[i]];
1767}
1768
1769/* Palette format: ABCD -> dst format: ABC */
1770void sws_convertPalette8ToPacked24(const uint8_t *src, uint8_t *dst,
1771 int num_pixels, const uint8_t *palette)
1772{
1773 int i;
1774
1775 for (i = 0; i < num_pixels; i++) {
1776 //FIXME slow?
1777 dst[0] = palette[src[i] * 4 + 0];
1778 dst[1] = palette[src[i] * 4 + 1];
1779 dst[2] = palette[src[i] * 4 + 2];
1780 dst += 3;
1781 }
1782}
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