FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libswscale/utils.c
Date: 2024-04-19 17:50:32
Exec Total Coverage
Lines: 766 1321 58.0%
Functions: 24 44 54.5%
Branches: 627 1173 53.5%
Line Branch Exec Source
1 /*
2 * Copyright (C) 2001-2003 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 "config.h"
22
23 #define _DEFAULT_SOURCE
24 #define _SVID_SOURCE // needed for MAP_ANONYMOUS
25 #define _DARWIN_C_SOURCE // needed for MAP_ANON
26 #include <inttypes.h>
27 #include <math.h>
28 #include <stdio.h>
29 #include <string.h>
30 #if HAVE_MMAP
31 #include <sys/mman.h>
32 #if defined(MAP_ANON) && !defined(MAP_ANONYMOUS)
33 #define MAP_ANONYMOUS MAP_ANON
34 #endif
35 #endif
36 #if HAVE_VIRTUALALLOC
37 #include <windows.h>
38 #endif
39
40 #include "libavutil/attributes.h"
41 #include "libavutil/avassert.h"
42 #include "libavutil/cpu.h"
43 #include "libavutil/emms.h"
44 #include "libavutil/imgutils.h"
45 #include "libavutil/intreadwrite.h"
46 #include "libavutil/libm.h"
47 #include "libavutil/mathematics.h"
48 #include "libavutil/mem.h"
49 #include "libavutil/opt.h"
50 #include "libavutil/pixdesc.h"
51 #include "libavutil/slicethread.h"
52 #include "libavutil/thread.h"
53 #include "libavutil/aarch64/cpu.h"
54 #include "libavutil/ppc/cpu.h"
55 #include "libavutil/x86/asm.h"
56 #include "libavutil/x86/cpu.h"
57 #include "libavutil/loongarch/cpu.h"
58
59 #include "rgb2rgb.h"
60 #include "swscale.h"
61 #include "swscale_internal.h"
62
63 typedef struct FormatEntry {
64 uint8_t is_supported_in :1;
65 uint8_t is_supported_out :1;
66 uint8_t is_supported_endianness :1;
67 } FormatEntry;
68
69 static const FormatEntry format_entries[] = {
70 [AV_PIX_FMT_YUV420P] = { 1, 1 },
71 [AV_PIX_FMT_YUYV422] = { 1, 1 },
72 [AV_PIX_FMT_RGB24] = { 1, 1 },
73 [AV_PIX_FMT_BGR24] = { 1, 1 },
74 [AV_PIX_FMT_YUV422P] = { 1, 1 },
75 [AV_PIX_FMT_YUV444P] = { 1, 1 },
76 [AV_PIX_FMT_YUV410P] = { 1, 1 },
77 [AV_PIX_FMT_YUV411P] = { 1, 1 },
78 [AV_PIX_FMT_GRAY8] = { 1, 1 },
79 [AV_PIX_FMT_MONOWHITE] = { 1, 1 },
80 [AV_PIX_FMT_MONOBLACK] = { 1, 1 },
81 [AV_PIX_FMT_PAL8] = { 1, 0 },
82 [AV_PIX_FMT_YUVJ420P] = { 1, 1 },
83 [AV_PIX_FMT_YUVJ411P] = { 1, 1 },
84 [AV_PIX_FMT_YUVJ422P] = { 1, 1 },
85 [AV_PIX_FMT_YUVJ444P] = { 1, 1 },
86 [AV_PIX_FMT_YVYU422] = { 1, 1 },
87 [AV_PIX_FMT_UYVY422] = { 1, 1 },
88 [AV_PIX_FMT_UYYVYY411] = { 0, 0 },
89 [AV_PIX_FMT_BGR8] = { 1, 1 },
90 [AV_PIX_FMT_BGR4] = { 0, 1 },
91 [AV_PIX_FMT_BGR4_BYTE] = { 1, 1 },
92 [AV_PIX_FMT_RGB8] = { 1, 1 },
93 [AV_PIX_FMT_RGB4] = { 0, 1 },
94 [AV_PIX_FMT_RGB4_BYTE] = { 1, 1 },
95 [AV_PIX_FMT_NV12] = { 1, 1 },
96 [AV_PIX_FMT_NV21] = { 1, 1 },
97 [AV_PIX_FMT_ARGB] = { 1, 1 },
98 [AV_PIX_FMT_RGBA] = { 1, 1 },
99 [AV_PIX_FMT_ABGR] = { 1, 1 },
100 [AV_PIX_FMT_BGRA] = { 1, 1 },
101 [AV_PIX_FMT_0RGB] = { 1, 1 },
102 [AV_PIX_FMT_RGB0] = { 1, 1 },
103 [AV_PIX_FMT_0BGR] = { 1, 1 },
104 [AV_PIX_FMT_BGR0] = { 1, 1 },
105 [AV_PIX_FMT_GRAY9BE] = { 1, 1 },
106 [AV_PIX_FMT_GRAY9LE] = { 1, 1 },
107 [AV_PIX_FMT_GRAY10BE] = { 1, 1 },
108 [AV_PIX_FMT_GRAY10LE] = { 1, 1 },
109 [AV_PIX_FMT_GRAY12BE] = { 1, 1 },
110 [AV_PIX_FMT_GRAY12LE] = { 1, 1 },
111 [AV_PIX_FMT_GRAY14BE] = { 1, 1 },
112 [AV_PIX_FMT_GRAY14LE] = { 1, 1 },
113 [AV_PIX_FMT_GRAY16BE] = { 1, 1 },
114 [AV_PIX_FMT_GRAY16LE] = { 1, 1 },
115 [AV_PIX_FMT_YUV440P] = { 1, 1 },
116 [AV_PIX_FMT_YUVJ440P] = { 1, 1 },
117 [AV_PIX_FMT_YUV440P10LE] = { 1, 1 },
118 [AV_PIX_FMT_YUV440P10BE] = { 1, 1 },
119 [AV_PIX_FMT_YUV440P12LE] = { 1, 1 },
120 [AV_PIX_FMT_YUV440P12BE] = { 1, 1 },
121 [AV_PIX_FMT_YUVA420P] = { 1, 1 },
122 [AV_PIX_FMT_YUVA422P] = { 1, 1 },
123 [AV_PIX_FMT_YUVA444P] = { 1, 1 },
124 [AV_PIX_FMT_YUVA420P9BE] = { 1, 1 },
125 [AV_PIX_FMT_YUVA420P9LE] = { 1, 1 },
126 [AV_PIX_FMT_YUVA422P9BE] = { 1, 1 },
127 [AV_PIX_FMT_YUVA422P9LE] = { 1, 1 },
128 [AV_PIX_FMT_YUVA444P9BE] = { 1, 1 },
129 [AV_PIX_FMT_YUVA444P9LE] = { 1, 1 },
130 [AV_PIX_FMT_YUVA420P10BE]= { 1, 1 },
131 [AV_PIX_FMT_YUVA420P10LE]= { 1, 1 },
132 [AV_PIX_FMT_YUVA422P10BE]= { 1, 1 },
133 [AV_PIX_FMT_YUVA422P10LE]= { 1, 1 },
134 [AV_PIX_FMT_YUVA444P10BE]= { 1, 1 },
135 [AV_PIX_FMT_YUVA444P10LE]= { 1, 1 },
136 [AV_PIX_FMT_YUVA420P16BE]= { 1, 1 },
137 [AV_PIX_FMT_YUVA420P16LE]= { 1, 1 },
138 [AV_PIX_FMT_YUVA422P16BE]= { 1, 1 },
139 [AV_PIX_FMT_YUVA422P16LE]= { 1, 1 },
140 [AV_PIX_FMT_YUVA444P16BE]= { 1, 1 },
141 [AV_PIX_FMT_YUVA444P16LE]= { 1, 1 },
142 [AV_PIX_FMT_RGB48BE] = { 1, 1 },
143 [AV_PIX_FMT_RGB48LE] = { 1, 1 },
144 [AV_PIX_FMT_RGBA64BE] = { 1, 1, 1 },
145 [AV_PIX_FMT_RGBA64LE] = { 1, 1, 1 },
146 [AV_PIX_FMT_RGB565BE] = { 1, 1 },
147 [AV_PIX_FMT_RGB565LE] = { 1, 1 },
148 [AV_PIX_FMT_RGB555BE] = { 1, 1 },
149 [AV_PIX_FMT_RGB555LE] = { 1, 1 },
150 [AV_PIX_FMT_BGR565BE] = { 1, 1 },
151 [AV_PIX_FMT_BGR565LE] = { 1, 1 },
152 [AV_PIX_FMT_BGR555BE] = { 1, 1 },
153 [AV_PIX_FMT_BGR555LE] = { 1, 1 },
154 [AV_PIX_FMT_YUV420P16LE] = { 1, 1 },
155 [AV_PIX_FMT_YUV420P16BE] = { 1, 1 },
156 [AV_PIX_FMT_YUV422P16LE] = { 1, 1 },
157 [AV_PIX_FMT_YUV422P16BE] = { 1, 1 },
158 [AV_PIX_FMT_YUV444P16LE] = { 1, 1 },
159 [AV_PIX_FMT_YUV444P16BE] = { 1, 1 },
160 [AV_PIX_FMT_RGB444LE] = { 1, 1 },
161 [AV_PIX_FMT_RGB444BE] = { 1, 1 },
162 [AV_PIX_FMT_BGR444LE] = { 1, 1 },
163 [AV_PIX_FMT_BGR444BE] = { 1, 1 },
164 [AV_PIX_FMT_YA8] = { 1, 1 },
165 [AV_PIX_FMT_YA16BE] = { 1, 1 },
166 [AV_PIX_FMT_YA16LE] = { 1, 1 },
167 [AV_PIX_FMT_BGR48BE] = { 1, 1 },
168 [AV_PIX_FMT_BGR48LE] = { 1, 1 },
169 [AV_PIX_FMT_BGRA64BE] = { 1, 1, 1 },
170 [AV_PIX_FMT_BGRA64LE] = { 1, 1, 1 },
171 [AV_PIX_FMT_YUV420P9BE] = { 1, 1 },
172 [AV_PIX_FMT_YUV420P9LE] = { 1, 1 },
173 [AV_PIX_FMT_YUV420P10BE] = { 1, 1 },
174 [AV_PIX_FMT_YUV420P10LE] = { 1, 1 },
175 [AV_PIX_FMT_YUV420P12BE] = { 1, 1 },
176 [AV_PIX_FMT_YUV420P12LE] = { 1, 1 },
177 [AV_PIX_FMT_YUV420P14BE] = { 1, 1 },
178 [AV_PIX_FMT_YUV420P14LE] = { 1, 1 },
179 [AV_PIX_FMT_YUV422P9BE] = { 1, 1 },
180 [AV_PIX_FMT_YUV422P9LE] = { 1, 1 },
181 [AV_PIX_FMT_YUV422P10BE] = { 1, 1 },
182 [AV_PIX_FMT_YUV422P10LE] = { 1, 1 },
183 [AV_PIX_FMT_YUV422P12BE] = { 1, 1 },
184 [AV_PIX_FMT_YUV422P12LE] = { 1, 1 },
185 [AV_PIX_FMT_YUV422P14BE] = { 1, 1 },
186 [AV_PIX_FMT_YUV422P14LE] = { 1, 1 },
187 [AV_PIX_FMT_YUV444P9BE] = { 1, 1 },
188 [AV_PIX_FMT_YUV444P9LE] = { 1, 1 },
189 [AV_PIX_FMT_YUV444P10BE] = { 1, 1 },
190 [AV_PIX_FMT_YUV444P10LE] = { 1, 1 },
191 [AV_PIX_FMT_YUV444P12BE] = { 1, 1 },
192 [AV_PIX_FMT_YUV444P12LE] = { 1, 1 },
193 [AV_PIX_FMT_YUV444P14BE] = { 1, 1 },
194 [AV_PIX_FMT_YUV444P14LE] = { 1, 1 },
195 [AV_PIX_FMT_GBRP] = { 1, 1 },
196 [AV_PIX_FMT_GBRP9LE] = { 1, 1 },
197 [AV_PIX_FMT_GBRP9BE] = { 1, 1 },
198 [AV_PIX_FMT_GBRP10LE] = { 1, 1 },
199 [AV_PIX_FMT_GBRP10BE] = { 1, 1 },
200 [AV_PIX_FMT_GBRAP10LE] = { 1, 1 },
201 [AV_PIX_FMT_GBRAP10BE] = { 1, 1 },
202 [AV_PIX_FMT_GBRP12LE] = { 1, 1 },
203 [AV_PIX_FMT_GBRP12BE] = { 1, 1 },
204 [AV_PIX_FMT_GBRAP12LE] = { 1, 1 },
205 [AV_PIX_FMT_GBRAP12BE] = { 1, 1 },
206 [AV_PIX_FMT_GBRP14LE] = { 1, 1 },
207 [AV_PIX_FMT_GBRP14BE] = { 1, 1 },
208 [AV_PIX_FMT_GBRAP14LE] = { 1, 1 },
209 [AV_PIX_FMT_GBRAP14BE] = { 1, 1 },
210 [AV_PIX_FMT_GBRP16LE] = { 1, 1 },
211 [AV_PIX_FMT_GBRP16BE] = { 1, 1 },
212 [AV_PIX_FMT_GBRPF32LE] = { 1, 1 },
213 [AV_PIX_FMT_GBRPF32BE] = { 1, 1 },
214 [AV_PIX_FMT_GBRAPF32LE] = { 1, 1 },
215 [AV_PIX_FMT_GBRAPF32BE] = { 1, 1 },
216 [AV_PIX_FMT_GBRAP] = { 1, 1 },
217 [AV_PIX_FMT_GBRAP16LE] = { 1, 1 },
218 [AV_PIX_FMT_GBRAP16BE] = { 1, 1 },
219 [AV_PIX_FMT_BAYER_BGGR8] = { 1, 0 },
220 [AV_PIX_FMT_BAYER_RGGB8] = { 1, 0 },
221 [AV_PIX_FMT_BAYER_GBRG8] = { 1, 0 },
222 [AV_PIX_FMT_BAYER_GRBG8] = { 1, 0 },
223 [AV_PIX_FMT_BAYER_BGGR16LE] = { 1, 0 },
224 [AV_PIX_FMT_BAYER_BGGR16BE] = { 1, 0 },
225 [AV_PIX_FMT_BAYER_RGGB16LE] = { 1, 0 },
226 [AV_PIX_FMT_BAYER_RGGB16BE] = { 1, 0 },
227 [AV_PIX_FMT_BAYER_GBRG16LE] = { 1, 0 },
228 [AV_PIX_FMT_BAYER_GBRG16BE] = { 1, 0 },
229 [AV_PIX_FMT_BAYER_GRBG16LE] = { 1, 0 },
230 [AV_PIX_FMT_BAYER_GRBG16BE] = { 1, 0 },
231 [AV_PIX_FMT_XYZ12BE] = { 1, 1, 1 },
232 [AV_PIX_FMT_XYZ12LE] = { 1, 1, 1 },
233 [AV_PIX_FMT_AYUV64LE] = { 1, 1},
234 [AV_PIX_FMT_P010LE] = { 1, 1 },
235 [AV_PIX_FMT_P010BE] = { 1, 1 },
236 [AV_PIX_FMT_P012LE] = { 1, 1 },
237 [AV_PIX_FMT_P012BE] = { 1, 1 },
238 [AV_PIX_FMT_P016LE] = { 1, 1 },
239 [AV_PIX_FMT_P016BE] = { 1, 1 },
240 [AV_PIX_FMT_GRAYF32LE] = { 1, 1 },
241 [AV_PIX_FMT_GRAYF32BE] = { 1, 1 },
242 [AV_PIX_FMT_YUVA422P12BE] = { 1, 1 },
243 [AV_PIX_FMT_YUVA422P12LE] = { 1, 1 },
244 [AV_PIX_FMT_YUVA444P12BE] = { 1, 1 },
245 [AV_PIX_FMT_YUVA444P12LE] = { 1, 1 },
246 [AV_PIX_FMT_NV24] = { 1, 1 },
247 [AV_PIX_FMT_NV42] = { 1, 1 },
248 [AV_PIX_FMT_Y210LE] = { 1, 1 },
249 [AV_PIX_FMT_Y212LE] = { 1, 1 },
250 [AV_PIX_FMT_X2RGB10LE] = { 1, 1 },
251 [AV_PIX_FMT_X2BGR10LE] = { 1, 1 },
252 [AV_PIX_FMT_P210BE] = { 1, 1 },
253 [AV_PIX_FMT_P210LE] = { 1, 1 },
254 [AV_PIX_FMT_P212BE] = { 1, 1 },
255 [AV_PIX_FMT_P212LE] = { 1, 1 },
256 [AV_PIX_FMT_P410BE] = { 1, 1 },
257 [AV_PIX_FMT_P410LE] = { 1, 1 },
258 [AV_PIX_FMT_P412BE] = { 1, 1 },
259 [AV_PIX_FMT_P412LE] = { 1, 1 },
260 [AV_PIX_FMT_P216BE] = { 1, 1 },
261 [AV_PIX_FMT_P216LE] = { 1, 1 },
262 [AV_PIX_FMT_P416BE] = { 1, 1 },
263 [AV_PIX_FMT_P416LE] = { 1, 1 },
264 [AV_PIX_FMT_NV16] = { 1, 1 },
265 [AV_PIX_FMT_VUYA] = { 1, 1 },
266 [AV_PIX_FMT_VUYX] = { 1, 1 },
267 [AV_PIX_FMT_RGBAF16BE] = { 1, 0 },
268 [AV_PIX_FMT_RGBAF16LE] = { 1, 0 },
269 [AV_PIX_FMT_XV30LE] = { 1, 1 },
270 [AV_PIX_FMT_XV36LE] = { 1, 1 },
271 };
272
273 /**
274 * Allocate and return an SwsContext without performing initialization.
275 */
276 80 static SwsContext *alloc_set_opts(int srcW, int srcH, enum AVPixelFormat srcFormat,
277 int dstW, int dstH, enum AVPixelFormat dstFormat,
278 int flags, const double *param)
279 {
280 80 SwsContext *c = sws_alloc_context();
281
282
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 80 if (!c)
283 ✗ return NULL;
284
285 80 c->flags = flags;
286 80 c->srcW = srcW;
287 80 c->srcH = srcH;
288 80 c->dstW = dstW;
289 80 c->dstH = dstH;
290 80 c->srcFormat = srcFormat;
291 80 c->dstFormat = dstFormat;
292
293
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 80 if (param) {
294 18 c->param[0] = param[0];
295 18 c->param[1] = param[1];
296 }
297
298 80 return c;
299 }
300
301 10426 int ff_shuffle_filter_coefficients(SwsContext *c, int *filterPos,
302 int filterSize, int16_t *filter,
303 int dstW)
304 {
305 #if ARCH_X86_64
306 int i, j, k;
307 10426 int cpu_flags = av_get_cpu_flags();
308
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 10426 if (!filter)
309 ✗ return 0;
310
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 10426 if (EXTERNAL_AVX2_FAST(cpu_flags) && !(cpu_flags & AV_CPU_FLAG_SLOW_GATHER)) {
311
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 214 if ((c->srcBpc == 8) && (c->dstBpc <= 14)) {
312 36 int16_t *filterCopy = NULL;
313
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 36 if (filterSize > 4) {
314
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 30 if (!FF_ALLOC_TYPED_ARRAY(filterCopy, dstW * filterSize))
315 ✗ return AVERROR(ENOMEM);
316 30 memcpy(filterCopy, filter, dstW * filterSize * sizeof(int16_t));
317 }
318 // Do not swap filterPos for pixels which won't be processed by
319 // the main loop.
320
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 432 for (i = 0; i + 16 <= dstW; i += 16) {
321 396 FFSWAP(int, filterPos[i + 2], filterPos[i + 4]);
322 396 FFSWAP(int, filterPos[i + 3], filterPos[i + 5]);
323 396 FFSWAP(int, filterPos[i + 10], filterPos[i + 12]);
324 396 FFSWAP(int, filterPos[i + 11], filterPos[i + 13]);
325 }
326
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 36 if (filterSize > 4) {
327 // 16 pixels are processed at a time.
328
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 360 for (i = 0; i + 16 <= dstW; i += 16) {
329 // 4 filter coeffs are processed at a time.
330
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 2112 for (k = 0; k + 4 <= filterSize; k += 4) {
331
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 30294 for (j = 0; j < 16; ++j) {
332 28512 int from = (i + j) * filterSize + k;
333 28512 int to = i * filterSize + j * 4 + k * 16;
334 28512 memcpy(&filter[to], &filterCopy[from], 4 * sizeof(int16_t));
335 }
336 }
337 }
338 // 4 pixels are processed at a time in the tail.
339
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 50 for (; i < dstW; i += 4) {
340 // 4 filter coeffs are processed at a time.
341 20 int rem = dstW - i >= 4 ? 4 : dstW - i;
342
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 128 for (k = 0; k + 4 <= filterSize; k += 4) {
343
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 540 for (j = 0; j < rem; ++j) {
344 432 int from = (i + j) * filterSize + k;
345 432 int to = i * filterSize + j * 4 + k * 4;
346 432 memcpy(&filter[to], &filterCopy[from], 4 * sizeof(int16_t));
347 }
348 }
349 }
350 }
351 36 av_free(filterCopy);
352 }
353 }
354 #endif
355 10426 return 0;
356 }
357
358 904915 int sws_isSupportedInput(enum AVPixelFormat pix_fmt)
359 {
360 904915 return (unsigned)pix_fmt < FF_ARRAY_ELEMS(format_entries) ?
361
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 904915 format_entries[pix_fmt].is_supported_in : 0;
362 }
363
364 904915 int sws_isSupportedOutput(enum AVPixelFormat pix_fmt)
365 {
366 904915 return (unsigned)pix_fmt < FF_ARRAY_ELEMS(format_entries) ?
367
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 904915 format_entries[pix_fmt].is_supported_out : 0;
368 }
369
370 289500 int sws_isSupportedEndiannessConversion(enum AVPixelFormat pix_fmt)
371 {
372 289500 return (unsigned)pix_fmt < FF_ARRAY_ELEMS(format_entries) ?
373
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 289500 format_entries[pix_fmt].is_supported_endianness : 0;
374 }
375
376 ✗ static double getSplineCoeff(double a, double b, double c, double d,
377 double dist)
378 {
379 ✗ if (dist <= 1.0)
380 ✗ return ((d * dist + c) * dist + b) * dist + a;
381 else
382 ✗ return getSplineCoeff(0.0,
383 ✗ b + 2.0 * c + 3.0 * d,
384 ✗ c + 3.0 * d,
385 ✗ -b - 3.0 * c - 6.0 * d,
386 dist - 1.0);
387 }
388
389 37960 static av_cold int get_local_pos(SwsContext *s, int chr_subsample, int pos, int dir)
390 {
391
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 37960 if (pos == -1 || pos <= -513) {
392 14421 pos = (128 << chr_subsample) - 128;
393 }
394 37960 pos += 128; // relative to ideal left edge
395 37960 return pos >> chr_subsample;
396 }
397
398 typedef struct {
399 int flag; ///< flag associated to the algorithm
400 const char *description; ///< human-readable description
401 int size_factor; ///< size factor used when initing the filters
402 } ScaleAlgorithm;
403
404 static const ScaleAlgorithm scale_algorithms[] = {
405 { SWS_AREA, "area averaging", 1 /* downscale only, for upscale it is bilinear */ },
406 { SWS_BICUBIC, "bicubic", 4 },
407 { SWS_BICUBLIN, "luma bicubic / chroma bilinear", -1 },
408 { SWS_BILINEAR, "bilinear", 2 },
409 { SWS_FAST_BILINEAR, "fast bilinear", -1 },
410 { SWS_GAUSS, "Gaussian", 8 /* infinite ;) */ },
411 { SWS_LANCZOS, "Lanczos", -1 /* custom */ },
412 { SWS_POINT, "nearest neighbor / point", -1 },
413 { SWS_SINC, "sinc", 20 /* infinite ;) */ },
414 { SWS_SPLINE, "bicubic spline", 20 /* infinite :)*/ },
415 { SWS_X, "experimental", 8 },
416 };
417
418 18980 static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos,
419 int *outFilterSize, int xInc, int srcW,
420 int dstW, int filterAlign, int one,
421 int flags, int cpu_flags,
422 SwsVector *srcFilter, SwsVector *dstFilter,
423 double param[2], int srcPos, int dstPos)
424 {
425 int i;
426 int filterSize;
427 int filter2Size;
428 int minFilterSize;
429 18980 int64_t *filter = NULL;
430 18980 int64_t *filter2 = NULL;
431 18980 const int64_t fone = 1LL << (54 - FFMIN(av_log2(srcW/dstW), 8));
432 18980 int ret = -1;
433
434 18980 emms_c(); // FIXME should not be required but IS (even for non-MMX versions)
435
436 // NOTE: the +3 is for the MMX(+1) / SSE(+3) scaler which reads over the end
437
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 18980 if (!FF_ALLOC_TYPED_ARRAY(*filterPos, dstW + 3))
438 ✗ goto nomem;
439
440
6/8
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 30055 if (FFABS(xInc - 0x10000) < 10 && srcPos == dstPos) { // unscaled
441 int i;
442 11075 filterSize = 1;
443
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 11075 if (!FF_ALLOCZ_TYPED_ARRAY(filter, dstW * filterSize))
444 ✗ goto nomem;
445
446
2/2
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 2803045 for (i = 0; i < dstW; i++) {
447 2791970 filter[i * filterSize] = fone;
448 2791970 (*filterPos)[i] = i;
449 }
450
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 7905 } else if (flags & SWS_POINT) { // lame looking point sampling mode
451 int i;
452 int64_t xDstInSrc;
453 252 filterSize = 1;
454
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✓ Branch 2 taken 252 times.
 252 if (!FF_ALLOC_TYPED_ARRAY(filter, dstW * filterSize))
455 ✗ goto nomem;
456
457 252 xDstInSrc = ((dstPos*(int64_t)xInc)>>8) - ((srcPos*0x8000LL)>>7);
458
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✓ Branch 0 taken 78125 times.
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 78377 for (i = 0; i < dstW; i++) {
459 78125 int xx = (xDstInSrc - ((filterSize - 1) << 15) + (1 << 15)) >> 16;
460
461 78125 (*filterPos)[i] = xx;
462 78125 filter[i] = fone;
463 78125 xDstInSrc += xInc;
464 }
465
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✓ Branch 3 taken 84 times.
 7653 } else if ((xInc <= (1 << 16) && (flags & SWS_AREA)) ||
466
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 7653 (flags & SWS_FAST_BILINEAR)) { // bilinear upscale
467 int i;
468 int64_t xDstInSrc;
469 84 filterSize = 2;
470
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✗ Branch 1 not taken.
✓ Branch 2 taken 84 times.
 84 if (!FF_ALLOC_TYPED_ARRAY(filter, dstW * filterSize))
471 ✗ goto nomem;
472
473 84 xDstInSrc = ((dstPos*(int64_t)xInc)>>8) - ((srcPos*0x8000LL)>>7);
474
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✓ Branch 0 taken 142992 times.
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 143076 for (i = 0; i < dstW; i++) {
475 142992 int xx = (xDstInSrc - ((filterSize - 1) << 15) + (1 << 15)) >> 16;
476 int j;
477
478 142992 (*filterPos)[i] = xx;
479 // bilinear upscale / linear interpolate / area averaging
480
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 428976 for (j = 0; j < filterSize; j++) {
481 285984 int64_t coeff = fone - FFABS((int64_t)xx * (1 << 16) - xDstInSrc) * (fone >> 16);
482
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 285984 if (coeff < 0)
483 ✗ coeff = 0;
484 285984 filter[i * filterSize + j] = coeff;
485 285984 xx++;
486 }
487 142992 xDstInSrc += xInc;
488 }
489 } else {
490 int64_t xDstInSrc;
491 7569 int sizeFactor = -1;
492
493
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 15630 for (i = 0; i < FF_ARRAY_ELEMS(scale_algorithms); i++) {
494
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 15630 if (flags & scale_algorithms[i].flag && scale_algorithms[i].size_factor > 0) {
495 7569 sizeFactor = scale_algorithms[i].size_factor;
496 7569 break;
497 }
498 }
499
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 7569 if (flags & SWS_LANCZOS)
500 ✗ sizeFactor = param[0] != SWS_PARAM_DEFAULT ? ceil(2 * param[0]) : 6;
501
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 7569 av_assert0(sizeFactor > 0);
502
503
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 7569 if (xInc <= 1 << 16)
504 5027 filterSize = 1 + sizeFactor; // upscale
505 else
506 2542 filterSize = 1 + (sizeFactor * srcW + dstW - 1) / dstW;
507
508
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 7569 filterSize = FFMIN(filterSize, srcW - 2);
509 7569 filterSize = FFMAX(filterSize, 1);
510
511
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✓ Branch 2 taken 7569 times.
 7569 if (!FF_ALLOC_TYPED_ARRAY(filter, dstW * filterSize))
512 ✗ goto nomem;
513 7569 xDstInSrc = ((dstPos*(int64_t)xInc)>>7) - ((srcPos*0x10000LL)>>7);
514
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 2205708 for (i = 0; i < dstW; i++) {
515 2198139 int xx = (xDstInSrc - (filterSize - 2) * (1LL<<16)) / (1 << 17);
516 int j;
517 2198139 (*filterPos)[i] = xx;
518
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 14846489 for (j = 0; j < filterSize; j++) {
519 12648350 int64_t d = (FFABS(((int64_t)xx * (1 << 17)) - xDstInSrc)) << 13;
520 double floatd;
521 int64_t coeff;
522
523
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✓ Branch 1 taken 9366495 times.
 12648350 if (xInc > 1 << 16)
524 3281855 d = d * dstW / srcW;
525 12648350 floatd = d * (1.0 / (1 << 30));
526
527
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 12648350 if (flags & SWS_BICUBIC) {
528
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 11994932 int64_t B = (param[0] != SWS_PARAM_DEFAULT ? param[0] : 0) * (1 << 24);
529
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 11994932 int64_t C = (param[1] != SWS_PARAM_DEFAULT ? param[1] : 0.6) * (1 << 24);
530
531
2/2
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✓ Branch 1 taken 9741548 times.
 11994932 if (d >= 1LL << 31) {
532 2253384 coeff = 0.0;
533 } else {
534 9741548 int64_t dd = (d * d) >> 30;
535 9741548 int64_t ddd = (dd * d) >> 30;
536
537
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✓ Branch 1 taken 4864818 times.
 9741548 if (d < 1LL << 30)
538 4876730 coeff = (12 * (1 << 24) - 9 * B - 6 * C) * ddd +
539 4876730 (-18 * (1 << 24) + 12 * B + 6 * C) * dd +
540 4876730 (6 * (1 << 24) - 2 * B) * (1 << 30);
541 else
542 4864818 coeff = (-B - 6 * C) * ddd +
543 4864818 (6 * B + 30 * C) * dd +
544 4864818 (-12 * B - 48 * C) * d +
545 4864818 (8 * B + 24 * C) * (1 << 30);
546 }
547 11994932 coeff /= (1LL<<54)/fone;
548
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 653418 } else if (flags & SWS_X) {
549 ✗ double A = param[0] != SWS_PARAM_DEFAULT ? param[0] : 1.0;
550 double c;
551
552 ✗ if (floatd < 1.0)
553 ✗ c = cos(floatd * M_PI);
554 else
555 ✗ c = -1.0;
556 ✗ if (c < 0.0)
557 ✗ c = -pow(-c, A);
558 else
559 ✗ c = pow(c, A);
560 ✗ coeff = (c * 0.5 + 0.5) * fone;
561
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 653418 } else if (flags & SWS_AREA) {
562 292968 int64_t d2 = d - (1 << 29);
563
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 292968 if (d2 * xInc < -(1LL << (29 + 16)))
564 218924 coeff = 1.0 * (1LL << (30 + 16));
565
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 74044 else if (d2 * xInc < (1LL << (29 + 16)))
566 63602 coeff = -d2 * xInc + (1LL << (29 + 16));
567 else
568 10442 coeff = 0.0;
569 292968 coeff *= fone >> (30 + 16);
570
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 360450 } else if (flags & SWS_GAUSS) {
571 ✗ double p = param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0;
572 ✗ coeff = exp2(-p * floatd * floatd) * fone;
573
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 360450 } else if (flags & SWS_SINC) {
574 ✗ coeff = (d ? sin(floatd * M_PI) / (floatd * M_PI) : 1.0) * fone;
575
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 360450 } else if (flags & SWS_LANCZOS) {
576 ✗ double p = param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0;
577 ✗ coeff = (d ? sin(floatd * M_PI) * sin(floatd * M_PI / p) /
578 ✗ (floatd * floatd * M_PI * M_PI / p) : 1.0) * fone;
579 ✗ if (floatd > p)
580 ✗ coeff = 0;
581
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 360450 } else if (flags & SWS_BILINEAR) {
582 360450 coeff = (1 << 30) - d;
583
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 360450 if (coeff < 0)
584 43542 coeff = 0;
585 360450 coeff *= fone >> 30;
586 ✗ } else if (flags & SWS_SPLINE) {
587 ✗ double p = -2.196152422706632;
588 ✗ coeff = getSplineCoeff(1.0, 0.0, p, -p - 1.0, floatd) * fone;
589 } else {
590 ✗ av_assert0(0);
591 }
592
593 12648350 filter[i * filterSize + j] = coeff;
594 12648350 xx++;
595 }
596 2198139 xDstInSrc += 2LL * xInc;
597 }
598 }
599
600 /* apply src & dst Filter to filter -> filter2
601 * av_free(filter);
602 */
603
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 18980 av_assert0(filterSize > 0);
604 18980 filter2Size = filterSize;
605
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 18980 if (srcFilter)
606 ✗ filter2Size += srcFilter->length - 1;
607
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 18980 if (dstFilter)
608 ✗ filter2Size += dstFilter->length - 1;
609
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 18980 av_assert0(filter2Size > 0);
610
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 18980 if (!FF_ALLOCZ_TYPED_ARRAY(filter2, dstW * filter2Size))
611 ✗ goto nomem;
612
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 5230206 for (i = 0; i < dstW; i++) {
613 int j, k;
614
615
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 5211226 if (srcFilter) {
616 ✗ for (k = 0; k < srcFilter->length; k++) {
617 ✗ for (j = 0; j < filterSize; j++)
618 ✗ filter2[i * filter2Size + k + j] +=
619 ✗ srcFilter->coeff[k] * filter[i * filterSize + j];
620 }
621 } else {
622
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 21015655 for (j = 0; j < filterSize; j++)
623 15804429 filter2[i * filter2Size + j] = filter[i * filterSize + j];
624 }
625 // FIXME dstFilter
626
627 5211226 (*filterPos)[i] += (filterSize - 1) / 2 - (filter2Size - 1) / 2;
628 }
629 18980 av_freep(&filter);
630
631 /* try to reduce the filter-size (step1 find size and shift left) */
632 // Assume it is near normalized (*0.5 or *2.0 is OK but * 0.001 is not).
633 18980 minFilterSize = 0;
634
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 5230206 for (i = dstW - 1; i >= 0; i--) {
635 5211226 int min = filter2Size;
636 int j;
637 5211226 int64_t cutOff = 0.0;
638
639 /* get rid of near zero elements on the left by shifting left */
640
1/2
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✗ Branch 1 not taken.
 6315713 for (j = 0; j < filter2Size; j++) {
641 int k;
642 6315713 cutOff += FFABS(filter2[i * filter2Size]);
643
644
2/2
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✓ Branch 1 taken 1107066 times.
 6315713 if (cutOff > SWS_MAX_REDUCE_CUTOFF * fone)
645 5208647 break;
646
647 /* preserve monotonicity because the core can't handle the
648 * filter otherwise */
649
4/4
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 1107066 if (i < dstW - 1 && (*filterPos)[i] >= (*filterPos)[i + 1])
650 2579 break;
651
652 // move filter coefficients left
653
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 6284596 for (k = 1; k < filter2Size; k++)
654 5180109 filter2[i * filter2Size + k - 1] = filter2[i * filter2Size + k];
655 1104487 filter2[i * filter2Size + k - 1] = 0;
656 1104487 (*filterPos)[i]++;
657 }
658
659 5211226 cutOff = 0;
660 /* count near zeros on the right */
661
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 7579509 for (j = filter2Size - 1; j > 0; j--) {
662 4708583 cutOff += FFABS(filter2[i * filter2Size + j]);
663
664
2/2
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✓ Branch 1 taken 2368283 times.
 4708583 if (cutOff > SWS_MAX_REDUCE_CUTOFF * fone)
665 2340300 break;
666 2368283 min--;
667 }
668
669
2/2
✓ Branch 0 taken 19636 times.
✓ Branch 1 taken 5191590 times.
 5211226 if (min > minFilterSize)
670 19636 minFilterSize = min;
671 }
672
673 if (PPC_ALTIVEC(cpu_flags)) {
674 // we can handle the special case 4, so we don't want to go the full 8
675 if (minFilterSize < 5)
676 filterAlign = 4;
677
678 /* We really don't want to waste our time doing useless computation, so
679 * fall back on the scalar C code for very small filters.
680 * Vectorizing is worth it only if you have a decent-sized vector. */
681 if (minFilterSize < 3)
682 filterAlign = 1;
683 }
684
685
2/2
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✓ Branch 1 taken 18696 times.
 18980 if (HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX) {
686 // special case for unscaled vertical filtering
687
4/4
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✓ Branch 2 taken 139 times.
✓ Branch 3 taken 138 times.
 284 if (minFilterSize == 1 && filterAlign == 2)
688 139 filterAlign = 1;
689 }
690
691 if (have_lasx(cpu_flags) || have_lsx(cpu_flags)) {
692 int reNum = minFilterSize & (0x07);
693
694 if (minFilterSize < 5)
695 filterAlign = 4;
696 if (reNum < 3)
697 filterAlign = 1;
698 }
699
700
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 18980 times.
 18980 av_assert0(minFilterSize > 0);
701 18980 filterSize = (minFilterSize + (filterAlign - 1)) & (~(filterAlign - 1));
702
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✓ Branch 1 taken 18980 times.
 18980 av_assert0(filterSize > 0);
703 18980 filter = av_malloc_array(dstW, filterSize * sizeof(*filter));
704
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✓ Branch 1 taken 18980 times.
 18980 if (!filter)
705 ✗ goto nomem;
706
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✓ Branch 1 taken 18980 times.
 18980 if (filterSize >= MAX_FILTER_SIZE * 16 /
707
2/2
✓ Branch 0 taken 16100 times.
✓ Branch 1 taken 2880 times.
 18980 ((flags & SWS_ACCURATE_RND) ? APCK_SIZE : 16)) {
708 ✗ ret = RETCODE_USE_CASCADE;
709 ✗ goto fail;
710 }
711 18980 *outFilterSize = filterSize;
712
713
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 18980 times.
 18980 if (flags & SWS_PRINT_INFO)
714 ✗ av_log(NULL, AV_LOG_VERBOSE,
715 "SwScaler: reducing / aligning filtersize %d -> %d\n",
716 filter2Size, filterSize);
717 /* try to reduce the filter-size (step2 reduce it) */
718
2/2
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✓ Branch 1 taken 18980 times.
 5230206 for (i = 0; i < dstW; i++) {
719 int j;
720
721
2/2
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 18803483 for (j = 0; j < filterSize; j++) {
722
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✓ Branch 1 taken 13553359 times.
 13592257 if (j >= filter2Size)
723 38898 filter[i * filterSize + j] = 0;
724 else
725 13553359 filter[i * filterSize + j] = filter2[i * filter2Size + j];
726
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✗ Branch 2 not taken.
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 13592257 if ((flags & SWS_BITEXACT) && j >= minFilterSize)
727 ✗ filter[i * filterSize + j] = 0;
728 }
729 }
730
731 // FIXME try to align filterPos if possible
732
733 // fix borders
734
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 5230206 for (i = 0; i < dstW; i++) {
735 int j;
736
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 5211226 if ((*filterPos)[i] < 0) {
737 // move filter coefficients left to compensate for filterPos
738
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 94771 for (j = 1; j < filterSize; j++) {
739 77385 int left = FFMAX(j + (*filterPos)[i], 0);
740 77385 filter[i * filterSize + left] += filter[i * filterSize + j];
741 77385 filter[i * filterSize + j] = 0;
742 }
743 17386 (*filterPos)[i]= 0;
744 }
745
746
2/2
✓ Branch 0 taken 24795 times.
✓ Branch 1 taken 5186431 times.
 5211226 if ((*filterPos)[i] + filterSize > srcW) {
747 24795 int shift = (*filterPos)[i] + FFMIN(filterSize - srcW, 0);
748 24795 int64_t acc = 0;
749
750
2/2
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 151648 for (j = filterSize - 1; j >= 0; j--) {
751
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 126853 if ((*filterPos)[i] + j >= srcW) {
752 39266 acc += filter[i * filterSize + j];
753 39266 filter[i * filterSize + j] = 0;
754 }
755 }
756
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 151648 for (j = filterSize - 1; j >= 0; j--) {
757
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✓ Branch 1 taken 87587 times.
 126853 if (j < shift) {
758 39266 filter[i * filterSize + j] = 0;
759 } else {
760 87587 filter[i * filterSize + j] = filter[i * filterSize + j - shift];
761 }
762 }
763
764 24795 (*filterPos)[i]-= shift;
765 24795 filter[i * filterSize + srcW - 1 - (*filterPos)[i]] += acc;
766 }
767
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 5211226 av_assert0((*filterPos)[i] >= 0);
768
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 5211226 av_assert0((*filterPos)[i] < srcW);
769
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 5211226 if ((*filterPos)[i] + filterSize > srcW) {
770 ✗ for (j = 0; j < filterSize; j++) {
771 ✗ av_assert0((*filterPos)[i] + j < srcW || !filter[i * filterSize + j]);
772 }
773 }
774 }
775
776 // Note the +1 is for the MMX scaler which reads over the end
777 /* align at 16 for AltiVec (needed by hScale_altivec_real) */
778
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 18980 times.
 18980 if (!FF_ALLOCZ_TYPED_ARRAY(*outFilter, *outFilterSize * (dstW + 3)))
779 ✗ goto nomem;
780
781 /* normalize & store in outFilter */
782
2/2
✓ Branch 0 taken 5211226 times.
✓ Branch 1 taken 18980 times.
 5230206 for (i = 0; i < dstW; i++) {
783 int j;
784 5211226 int64_t error = 0;
785 5211226 int64_t sum = 0;
786
787
2/2
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✓ Branch 1 taken 5211226 times.
 18803483 for (j = 0; j < filterSize; j++) {
788 13592257 sum += filter[i * filterSize + j];
789 }
790 5211226 sum = (sum + one / 2) / one;
791
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 5211226 times.
 5211226 if (!sum) {
792 ✗ av_log(NULL, AV_LOG_WARNING, "SwScaler: zero vector in scaling\n");
793 ✗ sum = 1;
794 }
795
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 18803483 for (j = 0; j < *outFilterSize; j++) {
796 13592257 int64_t v = filter[i * filterSize + j] + error;
797
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 13592257 int intV = ROUNDED_DIV(v, sum);
798 13592257 (*outFilter)[i * (*outFilterSize) + j] = intV;
799 13592257 error = v - intV * sum;
800 }
801 }
802
803 18980 (*filterPos)[dstW + 0] =
804 18980 (*filterPos)[dstW + 1] =
805 18980 (*filterPos)[dstW + 2] = (*filterPos)[dstW - 1]; /* the MMX/SSE scaler will
806 * read over the end */
807
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 78022 for (i = 0; i < *outFilterSize; i++) {
808 59042 int k = (dstW - 1) * (*outFilterSize) + i;
809 59042 (*outFilter)[k + 1 * (*outFilterSize)] =
810 59042 (*outFilter)[k + 2 * (*outFilterSize)] =
811 59042 (*outFilter)[k + 3 * (*outFilterSize)] = (*outFilter)[k];
812 }
813
814 18980 ret = 0;
815 18980 goto done;
816 ✗ nomem:
817 ✗ ret = AVERROR(ENOMEM);
818 ✗ fail:
819 ✗ if(ret < 0)
820 ✗ av_log(NULL, ret == RETCODE_USE_CASCADE ? AV_LOG_DEBUG : AV_LOG_ERROR, "sws: initFilter failed\n");
821 ✗ done:
822 18980 av_free(filter);
823 18980 av_free(filter2);
824 18980 return ret;
825 }
826
827 3597 static void fill_rgb2yuv_table(SwsContext *c, const int table[4], int dstRange)
828 {
829 int64_t W, V, Z, Cy, Cu, Cv;
830 3597 int64_t vr = table[0];
831 3597 int64_t ub = table[1];
832 3597 int64_t ug = -table[2];
833 3597 int64_t vg = -table[3];
834 3597 int64_t ONE = 65536;
835 3597 int64_t cy = ONE;
836 3597 uint8_t *p = (uint8_t*)c->input_rgb2yuv_table;
837 int i;
838 static const int8_t map[] = {
839 BY_IDX, GY_IDX, -1 , BY_IDX, BY_IDX, GY_IDX, -1 , BY_IDX,
840 RY_IDX, -1 , GY_IDX, RY_IDX, RY_IDX, -1 , GY_IDX, RY_IDX,
841 RY_IDX, GY_IDX, -1 , RY_IDX, RY_IDX, GY_IDX, -1 , RY_IDX,
842 BY_IDX, -1 , GY_IDX, BY_IDX, BY_IDX, -1 , GY_IDX, BY_IDX,
843 BU_IDX, GU_IDX, -1 , BU_IDX, BU_IDX, GU_IDX, -1 , BU_IDX,
844 RU_IDX, -1 , GU_IDX, RU_IDX, RU_IDX, -1 , GU_IDX, RU_IDX,
845 RU_IDX, GU_IDX, -1 , RU_IDX, RU_IDX, GU_IDX, -1 , RU_IDX,
846 BU_IDX, -1 , GU_IDX, BU_IDX, BU_IDX, -1 , GU_IDX, BU_IDX,
847 BV_IDX, GV_IDX, -1 , BV_IDX, BV_IDX, GV_IDX, -1 , BV_IDX,
848 RV_IDX, -1 , GV_IDX, RV_IDX, RV_IDX, -1 , GV_IDX, RV_IDX,
849 RV_IDX, GV_IDX, -1 , RV_IDX, RV_IDX, GV_IDX, -1 , RV_IDX,
850 BV_IDX, -1 , GV_IDX, BV_IDX, BV_IDX, -1 , GV_IDX, BV_IDX,
851 RY_IDX, BY_IDX, RY_IDX, BY_IDX, RY_IDX, BY_IDX, RY_IDX, BY_IDX,
852 BY_IDX, RY_IDX, BY_IDX, RY_IDX, BY_IDX, RY_IDX, BY_IDX, RY_IDX,
853 GY_IDX, -1 , GY_IDX, -1 , GY_IDX, -1 , GY_IDX, -1 ,
854 -1 , GY_IDX, -1 , GY_IDX, -1 , GY_IDX, -1 , GY_IDX,
855 RU_IDX, BU_IDX, RU_IDX, BU_IDX, RU_IDX, BU_IDX, RU_IDX, BU_IDX,
856 BU_IDX, RU_IDX, BU_IDX, RU_IDX, BU_IDX, RU_IDX, BU_IDX, RU_IDX,
857 GU_IDX, -1 , GU_IDX, -1 , GU_IDX, -1 , GU_IDX, -1 ,
858 -1 , GU_IDX, -1 , GU_IDX, -1 , GU_IDX, -1 , GU_IDX,
859 RV_IDX, BV_IDX, RV_IDX, BV_IDX, RV_IDX, BV_IDX, RV_IDX, BV_IDX,
860 BV_IDX, RV_IDX, BV_IDX, RV_IDX, BV_IDX, RV_IDX, BV_IDX, RV_IDX,
861 GV_IDX, -1 , GV_IDX, -1 , GV_IDX, -1 , GV_IDX, -1 ,
862 -1 , GV_IDX, -1 , GV_IDX, -1 , GV_IDX, -1 , GV_IDX, //23
863 -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //24
864 -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //25
865 -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //26
866 -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //27
867 -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //28
868 -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //29
869 -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //30
870 -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //31
871 BY_IDX, GY_IDX, RY_IDX, -1 , -1 , -1 , -1 , -1 , //32
872 BU_IDX, GU_IDX, RU_IDX, -1 , -1 , -1 , -1 , -1 , //33
873 BV_IDX, GV_IDX, RV_IDX, -1 , -1 , -1 , -1 , -1 , //34
874 };
875
876 3597 dstRange = 0; //FIXME range = 1 is handled elsewhere
877
878
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 3597 if (!dstRange) {
879 3597 cy = cy * 255 / 219;
880 } else {
881 ✗ vr = vr * 224 / 255;
882 ✗ ub = ub * 224 / 255;
883 ✗ ug = ug * 224 / 255;
884 ✗ vg = vg * 224 / 255;
885 }
886
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 3597 W = ROUNDED_DIV(ONE*ONE*ug, ub);
887
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 3597 V = ROUNDED_DIV(ONE*ONE*vg, vr);
888 3597 Z = ONE*ONE-W-V;
889
890
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 3597 Cy = ROUNDED_DIV(cy*Z, ONE);
891
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 3597 Cu = ROUNDED_DIV(ub*Z, ONE);
892
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 3597 Cv = ROUNDED_DIV(vr*Z, ONE);
893
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 3597 c->input_rgb2yuv_table[RY_IDX] = -ROUNDED_DIV((1 << RGB2YUV_SHIFT)*V , Cy);
895 3597 c->input_rgb2yuv_table[GY_IDX] = ROUNDED_DIV((1 << RGB2YUV_SHIFT)*ONE*ONE , Cy);
896
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 3597 c->input_rgb2yuv_table[BY_IDX] = -ROUNDED_DIV((1 << RGB2YUV_SHIFT)*W , Cy);
897
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 3597 c->input_rgb2yuv_table[RU_IDX] = ROUNDED_DIV((1 << RGB2YUV_SHIFT)*V , Cu);
899 3597 c->input_rgb2yuv_table[GU_IDX] = -ROUNDED_DIV((1 << RGB2YUV_SHIFT)*ONE*ONE , Cu);
900
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 3597 c->input_rgb2yuv_table[BU_IDX] = ROUNDED_DIV((1 << RGB2YUV_SHIFT)*(Z+W) , Cu);
901
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 3597 c->input_rgb2yuv_table[RV_IDX] = ROUNDED_DIV((1 << RGB2YUV_SHIFT)*(V+Z) , Cv);
903 3597 c->input_rgb2yuv_table[GV_IDX] = -ROUNDED_DIV((1 << RGB2YUV_SHIFT)*ONE*ONE , Cv);
904
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 3597 c->input_rgb2yuv_table[BV_IDX] = ROUNDED_DIV((1 << RGB2YUV_SHIFT)*W , Cv);
905
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 3597 if(/*!dstRange && */!memcmp(table, ff_yuv2rgb_coeffs[SWS_CS_DEFAULT], sizeof(ff_yuv2rgb_coeffs[SWS_CS_DEFAULT]))) {
907 3597 c->input_rgb2yuv_table[BY_IDX] = ((int)(0.114 * 219 / 255 * (1 << RGB2YUV_SHIFT) + 0.5));
908 3597 c->input_rgb2yuv_table[BV_IDX] = (-(int)(0.081 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5));
909 3597 c->input_rgb2yuv_table[BU_IDX] = ((int)(0.500 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5));
910 3597 c->input_rgb2yuv_table[GY_IDX] = ((int)(0.587 * 219 / 255 * (1 << RGB2YUV_SHIFT) + 0.5));
911 3597 c->input_rgb2yuv_table[GV_IDX] = (-(int)(0.419 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5));
912 3597 c->input_rgb2yuv_table[GU_IDX] = (-(int)(0.331 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5));
913 3597 c->input_rgb2yuv_table[RY_IDX] = ((int)(0.299 * 219 / 255 * (1 << RGB2YUV_SHIFT) + 0.5));
914 3597 c->input_rgb2yuv_table[RV_IDX] = ((int)(0.500 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5));
915 3597 c->input_rgb2yuv_table[RU_IDX] = (-(int)(0.169 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5));
916 }
917
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 1010757 for(i=0; i<FF_ARRAY_ELEMS(map); i++)
918
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 1007160 AV_WL16(p + 16*4 + 2*i, map[i] >= 0 ? c->input_rgb2yuv_table[map[i]] : 0);
919 3597 }
920
921 78 static void fill_xyztables(struct SwsContext *c)
922 {
923 int i;
924 78 double xyzgamma = XYZ_GAMMA;
925 78 double rgbgamma = 1.0 / RGB_GAMMA;
926 78 double xyzgammainv = 1.0 / XYZ_GAMMA;
927 78 double rgbgammainv = RGB_GAMMA;
928 static const int16_t xyz2rgb_matrix[3][4] = {
929 {13270, -6295, -2041},
930 {-3969, 7682, 170},
931 { 228, -835, 4329} };
932 static const int16_t rgb2xyz_matrix[3][4] = {
933 {1689, 1464, 739},
934 { 871, 2929, 296},
935 { 79, 488, 3891} };
936 static int16_t xyzgamma_tab[4096], rgbgamma_tab[4096], xyzgammainv_tab[4096], rgbgammainv_tab[4096];
937
938 78 memcpy(c->xyz2rgb_matrix, xyz2rgb_matrix, sizeof(c->xyz2rgb_matrix));
939 78 memcpy(c->rgb2xyz_matrix, rgb2xyz_matrix, sizeof(c->rgb2xyz_matrix));
940 78 c->xyzgamma = xyzgamma_tab;
941 78 c->rgbgamma = rgbgamma_tab;
942 78 c->xyzgammainv = xyzgammainv_tab;
943 78 c->rgbgammainv = rgbgammainv_tab;
944
945
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 78 if (rgbgamma_tab[4095])
946 54 return;
947
948 /* set gamma vectors */
949
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 98328 for (i = 0; i < 4096; i++) {
950 98304 xyzgamma_tab[i] = lrint(pow(i / 4095.0, xyzgamma) * 4095.0);
951 98304 rgbgamma_tab[i] = lrint(pow(i / 4095.0, rgbgamma) * 4095.0);
952 98304 xyzgammainv_tab[i] = lrint(pow(i / 4095.0, xyzgammainv) * 4095.0);
953 98304 rgbgammainv_tab[i] = lrint(pow(i / 4095.0, rgbgammainv) * 4095.0);
954 }
955 }
956
957 7980 static int handle_jpeg(enum AVPixelFormat *format)
958 {
959
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 7980 switch (*format) {
960 157 case AV_PIX_FMT_YUVJ420P:
961 157 *format = AV_PIX_FMT_YUV420P;
962 157 return 1;
963 15 case AV_PIX_FMT_YUVJ411P:
964 15 *format = AV_PIX_FMT_YUV411P;
965 15 return 1;
966 42 case AV_PIX_FMT_YUVJ422P:
967 42 *format = AV_PIX_FMT_YUV422P;
968 42 return 1;
969 52 case AV_PIX_FMT_YUVJ444P:
970 52 *format = AV_PIX_FMT_YUV444P;
971 52 return 1;
972 21 case AV_PIX_FMT_YUVJ440P:
973 21 *format = AV_PIX_FMT_YUV440P;
974 21 return 1;
975 254 case AV_PIX_FMT_GRAY8:
976 case AV_PIX_FMT_YA8:
977 case AV_PIX_FMT_GRAY9LE:
978 case AV_PIX_FMT_GRAY9BE:
979 case AV_PIX_FMT_GRAY10LE:
980 case AV_PIX_FMT_GRAY10BE:
981 case AV_PIX_FMT_GRAY12LE:
982 case AV_PIX_FMT_GRAY12BE:
983 case AV_PIX_FMT_GRAY14LE:
984 case AV_PIX_FMT_GRAY14BE:
985 case AV_PIX_FMT_GRAY16LE:
986 case AV_PIX_FMT_GRAY16BE:
987 case AV_PIX_FMT_YA16BE:
988 case AV_PIX_FMT_YA16LE:
989 254 return 1;
990 7439 default:
991 7439 return 0;
992 }
993 }
994
995 40580 static int handle_0alpha(enum AVPixelFormat *format)
996 {
997
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 40580 switch (*format) {
998 18 case AV_PIX_FMT_0BGR : *format = AV_PIX_FMT_ABGR ; return 1;
999 202 case AV_PIX_FMT_BGR0 : *format = AV_PIX_FMT_BGRA ; return 4;
1000 18 case AV_PIX_FMT_0RGB : *format = AV_PIX_FMT_ARGB ; return 1;
1001 18 case AV_PIX_FMT_RGB0 : *format = AV_PIX_FMT_RGBA ; return 4;
1002 40324 default: return 0;
1003 }
1004 }
1005
1006 40580 static int handle_xyz(enum AVPixelFormat *format)
1007 {
1008
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 40580 switch (*format) {
1009 13 case AV_PIX_FMT_XYZ12BE : *format = AV_PIX_FMT_RGB48BE; return 1;
1010 15 case AV_PIX_FMT_XYZ12LE : *format = AV_PIX_FMT_RGB48LE; return 1;
1011 40552 default: return 0;
1012 }
1013 }
1014
1015 20290 static void handle_formats(SwsContext *c)
1016 {
1017 20290 c->src0Alpha |= handle_0alpha(&c->srcFormat);
1018 20290 c->dst0Alpha |= handle_0alpha(&c->dstFormat);
1019 20290 c->srcXYZ |= handle_xyz(&c->srcFormat);
1020 20290 c->dstXYZ |= handle_xyz(&c->dstFormat);
1021
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 20290 if (c->srcXYZ || c->dstXYZ)
1022 78 fill_xyztables(c);
1023 20290 }
1024
1025 34520 static int range_override_needed(enum AVPixelFormat format)
1026 {
1027
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 34520 return !isYUV(format) && !isGray(format);
1028 }
1029
1030 13828 int sws_setColorspaceDetails(struct SwsContext *c, const int inv_table[4],
1031 int srcRange, const int table[4], int dstRange,
1032 int brightness, int contrast, int saturation)
1033 {
1034 const AVPixFmtDescriptor *desc_dst;
1035 const AVPixFmtDescriptor *desc_src;
1036 13828 int need_reinit = 0;
1037
1038
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 13828 if (c->nb_slice_ctx) {
1039 361 int parent_ret = 0;
1040
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 3555 for (int i = 0; i < c->nb_slice_ctx; i++) {
1041 3194 int ret = sws_setColorspaceDetails(c->slice_ctx[i], inv_table,
1042 srcRange, table, dstRange,
1043 brightness, contrast, saturation);
1044
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 3194 if (ret < 0)
1045 ✗ parent_ret = ret;
1046 }
1047
1048 361 return parent_ret;
1049 }
1050
1051 13467 handle_formats(c);
1052 13467 desc_dst = av_pix_fmt_desc_get(c->dstFormat);
1053 13467 desc_src = av_pix_fmt_desc_get(c->srcFormat);
1054
1055
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 13467 if(range_override_needed(c->dstFormat))
1056 6493 dstRange = 0;
1057
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 13467 if(range_override_needed(c->srcFormat))
1058 4125 srcRange = 0;
1059
1060
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 13467 if (c->srcRange != srcRange ||
1061
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 11446 c->dstRange != dstRange ||
1062
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 10027 c->brightness != brightness ||
1063
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 10027 c->contrast != contrast ||
1064
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 6644 c->saturation != saturation ||
1065
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 6644 memcmp(c->srcColorspaceTable, inv_table, sizeof(int) * 4) ||
1066
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 6509 memcmp(c->dstColorspaceTable, table, sizeof(int) * 4)
1067 )
1068 6958 need_reinit = 1;
1069
1070 13467 memmove(c->srcColorspaceTable, inv_table, sizeof(int) * 4);
1071 13467 memmove(c->dstColorspaceTable, table, sizeof(int) * 4);
1072
1073
1074
1075 13467 c->brightness = brightness;
1076 13467 c->contrast = contrast;
1077 13467 c->saturation = saturation;
1078 13467 c->srcRange = srcRange;
1079 13467 c->dstRange = dstRange;
1080
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 13467 if (need_reinit) {
1082 6958 ff_sws_init_range_convert(c);
1083 #if ARCH_LOONGARCH64
1084 ff_sws_init_range_convert_loongarch(c);
1085 #endif
1086 }
1087
1088 13467 c->dstFormatBpp = av_get_bits_per_pixel(desc_dst);
1089 13467 c->srcFormatBpp = av_get_bits_per_pixel(desc_src);
1090
1091
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 13467 if (c->cascaded_context[c->cascaded_mainindex])
1092 ✗ return sws_setColorspaceDetails(c->cascaded_context[c->cascaded_mainindex],inv_table, srcRange,table, dstRange, brightness, contrast, saturation);
1093
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 13467 if (!need_reinit)
1095 6509 return 0;
1096
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 6958 if ((isYUV(c->dstFormat) || isGray(c->dstFormat)) && (isYUV(c->srcFormat) || isGray(c->srcFormat))) {
1098
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 3361 if (!c->cascaded_context[0] &&
1099
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 3361 memcmp(c->dstColorspaceTable, c->srcColorspaceTable, sizeof(int) * 4) &&
1100
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 9 c->srcW && c->srcH && c->dstW && c->dstH) {
1101 enum AVPixelFormat tmp_format;
1102 int tmp_width, tmp_height;
1103 9 int srcW = c->srcW;
1104 9 int srcH = c->srcH;
1105 9 int dstW = c->dstW;
1106 9 int dstH = c->dstH;
1107 int ret;
1108 9 av_log(c, AV_LOG_VERBOSE, "YUV color matrix differs for YUV->YUV, using intermediate RGB to convert\n");
1109
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 9 if (isNBPS(c->dstFormat) || is16BPS(c->dstFormat)) {
1111 ✗ if (isALPHA(c->srcFormat) && isALPHA(c->dstFormat)) {
1112 ✗ tmp_format = AV_PIX_FMT_BGRA64;
1113 } else {
1114 ✗ tmp_format = AV_PIX_FMT_BGR48;
1115 }
1116 } else {
1117
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 9 if (isALPHA(c->srcFormat) && isALPHA(c->dstFormat)) {
1118 ✗ tmp_format = AV_PIX_FMT_BGRA;
1119 } else {
1120 9 tmp_format = AV_PIX_FMT_BGR24;
1121 }
1122 }
1123
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 9 if (srcW*srcH > dstW*dstH) {
1125 ✗ tmp_width = dstW;
1126 ✗ tmp_height = dstH;
1127 } else {
1128 9 tmp_width = srcW;
1129 9 tmp_height = srcH;
1130 }
1131
1132 9 ret = av_image_alloc(c->cascaded_tmp, c->cascaded_tmpStride,
1133 tmp_width, tmp_height, tmp_format, 64);
1134
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 9 if (ret < 0)
1135 ✗ return ret;
1136
1137 18 c->cascaded_context[0] = alloc_set_opts(srcW, srcH, c->srcFormat,
1138 tmp_width, tmp_height, tmp_format,
1139 9 c->flags, c->param);
1140
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 9 if (!c->cascaded_context[0])
1141 ✗ return -1;
1142
1143 9 c->cascaded_context[0]->alphablend = c->alphablend;
1144 9 ret = sws_init_context(c->cascaded_context[0], NULL , NULL);
1145
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 9 if (ret < 0)
1146 ✗ return ret;
1147 //we set both src and dst depending on that the RGB side will be ignored
1148 9 sws_setColorspaceDetails(c->cascaded_context[0], inv_table,
1149 srcRange, table, dstRange,
1150 brightness, contrast, saturation);
1151
1152 18 c->cascaded_context[1] = alloc_set_opts(tmp_width, tmp_height, tmp_format,
1153 dstW, dstH, c->dstFormat,
1154 9 c->flags, c->param);
1155
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 9 if (!c->cascaded_context[1])
1156 ✗ return -1;
1157 9 c->cascaded_context[1]->srcRange = srcRange;
1158 9 c->cascaded_context[1]->dstRange = dstRange;
1159 9 ret = sws_init_context(c->cascaded_context[1], NULL , NULL);
1160
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 9 if (ret < 0)
1161 ✗ return ret;
1162 9 sws_setColorspaceDetails(c->cascaded_context[1], inv_table,
1163 srcRange, table, dstRange,
1164 0, 1 << 16, 1 << 16);
1165 9 return 0;
1166 }
1167 //We do not support this combination currently, we need to cascade more contexts to compensate
1168
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 3352 if (c->cascaded_context[0] && memcmp(c->dstColorspaceTable, c->srcColorspaceTable, sizeof(int) * 4))
1169 ✗ return -1; //AVERROR_PATCHWELCOME;
1170 3352 return 0;
1171 }
1172
1173
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 3597 if (!isYUV(c->dstFormat) && !isGray(c->dstFormat)) {
1174 3283 ff_yuv2rgb_c_init_tables(c, inv_table, srcRange, brightness,
1175 contrast, saturation);
1176 // FIXME factorize
1177
1178 #if ARCH_PPC
1179 ff_yuv2rgb_init_tables_ppc(c, inv_table, brightness,
1180 contrast, saturation);
1181 #endif
1182 }
1183
1184 3597 fill_rgb2yuv_table(c, table, dstRange);
1185
1186 3597 return 0;
1187 }
1188
1189 4154 int sws_getColorspaceDetails(struct SwsContext *c, int **inv_table,
1190 int *srcRange, int **table, int *dstRange,
1191 int *brightness, int *contrast, int *saturation)
1192 {
1193
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 4154 if (!c )
1194 ✗ return -1;
1195
1196
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 4154 if (c->nb_slice_ctx) {
1197 361 return sws_getColorspaceDetails(c->slice_ctx[0], inv_table, srcRange,
1198 table, dstRange, brightness, contrast,
1199 saturation);
1200 }
1201
1202 3793 *inv_table = c->srcColorspaceTable;
1203 3793 *table = c->dstColorspaceTable;
1204
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 3793 *srcRange = range_override_needed(c->srcFormat) ? 1 : c->srcRange;
1205
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 3793 *dstRange = range_override_needed(c->dstFormat) ? 1 : c->dstRange;
1206 3793 *brightness = c->brightness;
1207 3793 *contrast = c->contrast;
1208 3793 *saturation = c->saturation;
1209
1210 3793 return 0;
1211 }
1212
1213 14124 SwsContext *sws_alloc_context(void)
1214 {
1215 14124 SwsContext *c = av_mallocz(sizeof(SwsContext));
1216
1217 av_assert0(offsetof(SwsContext, redDither) + DITHER32_INT == offsetof(SwsContext, dither32));
1218
1219
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 14124 if (c) {
1220 14124 c->av_class = &ff_sws_context_class;
1221 14124 av_opt_set_defaults(c);
1222 14124 atomic_init(&c->stride_unaligned_warned, 0);
1223 14124 atomic_init(&c->data_unaligned_warned, 0);
1224 }
1225
1226 14124 return c;
1227 }
1228
1229 ✗ static uint16_t * alloc_gamma_tbl(double e)
1230 {
1231 ✗ int i = 0;
1232 uint16_t * tbl;
1233 ✗ tbl = (uint16_t*)av_malloc(sizeof(uint16_t) * 1 << 16);
1234 ✗ if (!tbl)
1235 ✗ return NULL;
1236
1237 ✗ for (i = 0; i < 65536; ++i) {
1238 ✗ tbl[i] = pow(i / 65535.0, e) * 65535.0;
1239 }
1240 ✗ return tbl;
1241 }
1242
1243 979 static enum AVPixelFormat alphaless_fmt(enum AVPixelFormat fmt)
1244 {
1245
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 979 switch(fmt) {
1246 11 case AV_PIX_FMT_ARGB: return AV_PIX_FMT_RGB24;
1247 11 case AV_PIX_FMT_RGBA: return AV_PIX_FMT_RGB24;
1248 2 case AV_PIX_FMT_ABGR: return AV_PIX_FMT_BGR24;
1249 103 case AV_PIX_FMT_BGRA: return AV_PIX_FMT_BGR24;
1250 45 case AV_PIX_FMT_YA8: return AV_PIX_FMT_GRAY8;
1251
1252 ✗ case AV_PIX_FMT_YUVA420P: return AV_PIX_FMT_YUV420P;
1253 3 case AV_PIX_FMT_YUVA422P: return AV_PIX_FMT_YUV422P;
1254 4 case AV_PIX_FMT_YUVA444P: return AV_PIX_FMT_YUV444P;
1255
1256 46 case AV_PIX_FMT_GBRAP: return AV_PIX_FMT_GBRP;
1257
1258 1 case AV_PIX_FMT_GBRAP10LE: return AV_PIX_FMT_GBRP10;
1259 ✗ case AV_PIX_FMT_GBRAP10BE: return AV_PIX_FMT_GBRP10;
1260
1261 1 case AV_PIX_FMT_GBRAP12LE: return AV_PIX_FMT_GBRP12;
1262 ✗ case AV_PIX_FMT_GBRAP12BE: return AV_PIX_FMT_GBRP12;
1263
1264 ✗ case AV_PIX_FMT_GBRAP14LE: return AV_PIX_FMT_GBRP14;
1265 ✗ case AV_PIX_FMT_GBRAP14BE: return AV_PIX_FMT_GBRP14;
1266
1267 1 case AV_PIX_FMT_GBRAP16LE: return AV_PIX_FMT_GBRP16;
1268 9 case AV_PIX_FMT_GBRAP16BE: return AV_PIX_FMT_GBRP16;
1269
1270 1 case AV_PIX_FMT_RGBA64LE: return AV_PIX_FMT_RGB48;
1271 9 case AV_PIX_FMT_RGBA64BE: return AV_PIX_FMT_RGB48;
1272 1 case AV_PIX_FMT_BGRA64LE: return AV_PIX_FMT_BGR48;
1273 ✗ case AV_PIX_FMT_BGRA64BE: return AV_PIX_FMT_BGR48;
1274
1275 45 case AV_PIX_FMT_YA16BE: return AV_PIX_FMT_GRAY16;
1276 ✗ case AV_PIX_FMT_YA16LE: return AV_PIX_FMT_GRAY16;
1277
1278 ✗ case AV_PIX_FMT_YUVA420P9BE: return AV_PIX_FMT_YUV420P9;
1279 ✗ case AV_PIX_FMT_YUVA422P9BE: return AV_PIX_FMT_YUV422P9;
1280 ✗ case AV_PIX_FMT_YUVA444P9BE: return AV_PIX_FMT_YUV444P9;
1281 ✗ case AV_PIX_FMT_YUVA420P9LE: return AV_PIX_FMT_YUV420P9;
1282 ✗ case AV_PIX_FMT_YUVA422P9LE: return AV_PIX_FMT_YUV422P9;
1283 ✗ case AV_PIX_FMT_YUVA444P9LE: return AV_PIX_FMT_YUV444P9;
1284 ✗ case AV_PIX_FMT_YUVA420P10BE: return AV_PIX_FMT_YUV420P10;
1285 ✗ case AV_PIX_FMT_YUVA422P10BE: return AV_PIX_FMT_YUV422P10;
1286 ✗ case AV_PIX_FMT_YUVA444P10BE: return AV_PIX_FMT_YUV444P10;
1287 ✗ case AV_PIX_FMT_YUVA420P10LE: return AV_PIX_FMT_YUV420P10;
1288 ✗ case AV_PIX_FMT_YUVA422P10LE: return AV_PIX_FMT_YUV422P10;
1289 ✗ case AV_PIX_FMT_YUVA444P10LE: return AV_PIX_FMT_YUV444P10;
1290 ✗ case AV_PIX_FMT_YUVA420P16BE: return AV_PIX_FMT_YUV420P16;
1291 ✗ case AV_PIX_FMT_YUVA422P16BE: return AV_PIX_FMT_YUV422P16;
1292 ✗ case AV_PIX_FMT_YUVA444P16BE: return AV_PIX_FMT_YUV444P16;
1293 ✗ case AV_PIX_FMT_YUVA420P16LE: return AV_PIX_FMT_YUV420P16;
1294 9 case AV_PIX_FMT_YUVA422P16LE: return AV_PIX_FMT_YUV422P16;
1295 4 case AV_PIX_FMT_YUVA444P16LE: return AV_PIX_FMT_YUV444P16;
1296
1297 // case AV_PIX_FMT_AYUV64LE:
1298 // case AV_PIX_FMT_AYUV64BE:
1299 // case AV_PIX_FMT_PAL8:
1300 673 default: return AV_PIX_FMT_NONE;
1301 }
1302 }
1303
1304 static int sws_init_single_context(SwsContext *c, SwsFilter *srcFilter,
1305 SwsFilter *dstFilter);
1306
1307 6823 static av_cold int sws_init_single_context(SwsContext *c, SwsFilter *srcFilter,
1308 SwsFilter *dstFilter)
1309 {
1310 int i;
1311 int usesVFilter, usesHFilter;
1312 int unscaled;
1313 6823 SwsFilter dummyFilter = { NULL, NULL, NULL, NULL };
1314 6823 int srcW = c->srcW;
1315 6823 int srcH = c->srcH;
1316 6823 int dstW = c->dstW;
1317 6823 int dstH = c->dstH;
1318 6823 int dst_stride = FFALIGN(dstW * sizeof(int16_t) + 66, 16);
1319 int flags, cpu_flags;
1320 enum AVPixelFormat srcFormat, dstFormat;
1321 const AVPixFmtDescriptor *desc_src;
1322 const AVPixFmtDescriptor *desc_dst;
1323 6823 int ret = 0;
1324 enum AVPixelFormat tmpFmt;
1325 static const float float_mult = 1.0f / 255.0f;
1326
1327 6823 cpu_flags = av_get_cpu_flags();
1328 6823 flags = c->flags;
1329 6823 emms_c();
1330
1331
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 6823 unscaled = (srcW == dstW && srcH == dstH);
1332
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 6823 if (!c->contrast && !c->saturation && !c->dstFormatBpp)
1334 6823 sws_setColorspaceDetails(c, ff_yuv2rgb_coeffs[SWS_CS_DEFAULT], c->srcRange,
1335 ff_yuv2rgb_coeffs[SWS_CS_DEFAULT],
1336 c->dstRange, 0, 1 << 16, 1 << 16);
1337
1338 6823 handle_formats(c);
1339 6823 srcFormat = c->srcFormat;
1340 6823 dstFormat = c->dstFormat;
1341 6823 desc_src = av_pix_fmt_desc_get(srcFormat);
1342 6823 desc_dst = av_pix_fmt_desc_get(dstFormat);
1343
1344 // If the source has no alpha then disable alpha blendaway
1345
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 6823 if (c->src0Alpha)
1346 134 c->alphablend = SWS_ALPHA_BLEND_NONE;
1347
1348
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 6835 if (!(unscaled && sws_isSupportedEndiannessConversion(srcFormat) &&
1349 12 av_pix_fmt_swap_endianness(srcFormat) == dstFormat)) {
1350
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 6823 if (!sws_isSupportedInput(srcFormat)) {
1351 ✗ av_log(c, AV_LOG_ERROR, "%s is not supported as input pixel format\n",
1352 av_get_pix_fmt_name(srcFormat));
1353 ✗ return AVERROR(EINVAL);
1354 }
1355
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 6823 if (!sws_isSupportedOutput(dstFormat)) {
1356 ✗ av_log(c, AV_LOG_ERROR, "%s is not supported as output pixel format\n",
1357 av_get_pix_fmt_name(dstFormat));
1358 ✗ return AVERROR(EINVAL);
1359 }
1360 }
1361 av_assert2(desc_src && desc_dst);
1362
1363 6823 i = flags & (SWS_POINT |
1364 SWS_AREA |
1365 SWS_BILINEAR |
1366 SWS_FAST_BILINEAR |
1367 SWS_BICUBIC |
1368 SWS_X |
1369 SWS_GAUSS |
1370 SWS_LANCZOS |
1371 SWS_SINC |
1372 SWS_SPLINE |
1373 SWS_BICUBLIN);
1374
1375 /* provide a default scaler if not set by caller */
1376
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 6823 if (!i) {
1377
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 11 if (dstW < srcW && dstH < srcH)
1378 ✗ flags |= SWS_BICUBIC;
1379
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 11 else if (dstW > srcW && dstH > srcH)
1380 ✗ flags |= SWS_BICUBIC;
1381 else
1382 11 flags |= SWS_BICUBIC;
1383 11 c->flags = flags;
1384
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 6812 } else if (i & (i - 1)) {
1385 ✗ av_log(c, AV_LOG_ERROR,
1386 "Exactly one scaler algorithm must be chosen, got %X\n", i);
1387 ✗ return AVERROR(EINVAL);
1388 }
1389 /* sanity check */
1390
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 6823 if (srcW < 1 || srcH < 1 || dstW < 1 || dstH < 1) {
1391 /* FIXME check if these are enough and try to lower them after
1392 * fixing the relevant parts of the code */
1393 ✗ av_log(c, AV_LOG_ERROR, "%dx%d -> %dx%d is invalid scaling dimension\n",
1394 srcW, srcH, dstW, dstH);
1395 ✗ return AVERROR(EINVAL);
1396 }
1397
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 6823 if (flags & SWS_FAST_BILINEAR) {
1398 ✗ if (srcW < 8 || dstW < 8) {
1399 ✗ flags ^= SWS_FAST_BILINEAR | SWS_BILINEAR;
1400 ✗ c->flags = flags;
1401 }
1402 }
1403
1404
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 6823 if (!dstFilter)
1405 6823 dstFilter = &dummyFilter;
1406
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 6823 if (!srcFilter)
1407 6823 srcFilter = &dummyFilter;
1408
1409 6823 c->lumXInc = (((int64_t)srcW << 16) + (dstW >> 1)) / dstW;
1410 6823 c->lumYInc = (((int64_t)srcH << 16) + (dstH >> 1)) / dstH;
1411 6823 c->dstFormatBpp = av_get_bits_per_pixel(desc_dst);
1412 6823 c->srcFormatBpp = av_get_bits_per_pixel(desc_src);
1413 6823 c->vRounder = 4 * 0x0001000100010001ULL;
1414
1415 ✗ usesVFilter = (srcFilter->lumV && srcFilter->lumV->length > 1) ||
1416
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 6823 (srcFilter->chrV && srcFilter->chrV->length > 1) ||
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1418
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 6823 (dstFilter->chrV && dstFilter->chrV->length > 1);
1419 ✗ usesHFilter = (srcFilter->lumH && srcFilter->lumH->length > 1) ||
1420
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 6823 (dstFilter->chrH && dstFilter->chrH->length > 1);
1423
1424 6823 av_pix_fmt_get_chroma_sub_sample(srcFormat, &c->chrSrcHSubSample, &c->chrSrcVSubSample);
1425 6823 av_pix_fmt_get_chroma_sub_sample(dstFormat, &c->chrDstHSubSample, &c->chrDstVSubSample);
1426
1427 6823 c->dst_slice_align = 1 << c->chrDstVSubSample;
1428
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 6823 if (isAnyRGB(dstFormat) && !(flags&SWS_FULL_CHR_H_INT)) {
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 3262 if (dstW&1) {
1431 273 av_log(c, AV_LOG_DEBUG, "Forcing full internal H chroma due to odd output size\n");
1432 273 flags |= SWS_FULL_CHR_H_INT;
1433 273 c->flags = flags;
1434 }
1435
1436
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 3262 if ( c->chrSrcHSubSample == 0
1437
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 2025 && c->chrSrcVSubSample == 0
1438
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 2025 && c->dither != SWS_DITHER_BAYER //SWS_FULL_CHR_H_INT is currently not supported with SWS_DITHER_BAYER
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 2025 && !(c->flags & SWS_FAST_BILINEAR)
1440 ) {
1441 2025 av_log(c, AV_LOG_DEBUG, "Forcing full internal H chroma due to input having non subsampled chroma\n");
1442 2025 flags |= SWS_FULL_CHR_H_INT;
1443 2025 c->flags = flags;
1444 }
1445 }
1446
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 6823 if (flags & SWS_ERROR_DIFFUSION)
1449 ✗ c->dither = SWS_DITHER_ED;
1450 }
1451
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 6823 if(dstFormat == AV_PIX_FMT_BGR4_BYTE ||
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 6796 dstFormat == AV_PIX_FMT_RGB4_BYTE ||
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 6766 dstFormat == AV_PIX_FMT_BGR8 ||
1455 dstFormat == AV_PIX_FMT_RGB8) {
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 73 if (c->dither == SWS_DITHER_AUTO)
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 73 c->dither = (flags & SWS_FULL_CHR_H_INT) ? SWS_DITHER_ED : SWS_DITHER_BAYER;
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 73 if (!(flags & SWS_FULL_CHR_H_INT)) {
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 62 if (c->dither == SWS_DITHER_ED || c->dither == SWS_DITHER_A_DITHER || c->dither == SWS_DITHER_X_DITHER || c->dither == SWS_DITHER_NONE) {
1460 ✗ av_log(c, AV_LOG_DEBUG,
1461 "Desired dithering only supported in full chroma interpolation for destination format '%s'\n",
1462 av_get_pix_fmt_name(dstFormat));
1463 ✗ flags |= SWS_FULL_CHR_H_INT;
1464 ✗ c->flags = flags;
1465 }
1466 }
1467
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 73 if (flags & SWS_FULL_CHR_H_INT) {
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 11 if (c->dither == SWS_DITHER_BAYER) {
1469 ✗ av_log(c, AV_LOG_DEBUG,
1470 "Ordered dither is not supported in full chroma interpolation for destination format '%s'\n",
1471 av_get_pix_fmt_name(dstFormat));
1472 ✗ c->dither = SWS_DITHER_ED;
1473 }
1474 }
1475 }
1476
2/2
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✓ Branch 2 taken 6205 times.
 6823 if (isPlanarRGB(dstFormat)) {
1477
2/2
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✓ Branch 1 taken 234 times.
 618 if (!(flags & SWS_FULL_CHR_H_INT)) {
1478 384 av_log(c, AV_LOG_DEBUG,
1479 "%s output is not supported with half chroma resolution, switching to full\n",
1480 av_get_pix_fmt_name(dstFormat));
1481 384 flags |= SWS_FULL_CHR_H_INT;
1482 384 c->flags = flags;
1483 }
1484 }
1485
1486 /* reuse chroma for 2 pixels RGB/BGR unless user wants full
1487 * chroma interpolation */
1488
3/4
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✗ Branch 3 not taken.
 9260 if (flags & SWS_FULL_CHR_H_INT &&
1489
2/2
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✓ Branch 2 taken 618 times.
 4874 isAnyRGB(dstFormat) &&
1490
2/2
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✓ Branch 2 taken 2 times.
 4256 !isPlanarRGB(dstFormat) &&
1491
2/2
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 1817 dstFormat != AV_PIX_FMT_RGBA64LE &&
1492
2/2
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✓ Branch 1 taken 2 times.
 1816 dstFormat != AV_PIX_FMT_RGBA64BE &&
1493
2/2
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✓ Branch 1 taken 1 times.
 1814 dstFormat != AV_PIX_FMT_BGRA64LE &&
1494
2/2
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✓ Branch 1 taken 13 times.
 1813 dstFormat != AV_PIX_FMT_BGRA64BE &&
1495
2/2
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✓ Branch 1 taken 3 times.
 1800 dstFormat != AV_PIX_FMT_RGB48LE &&
1496
2/2
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✓ Branch 1 taken 2 times.
 1797 dstFormat != AV_PIX_FMT_RGB48BE &&
1497
2/2
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✓ Branch 1 taken 1 times.
 1795 dstFormat != AV_PIX_FMT_BGR48LE &&
1498
2/2
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✓ Branch 1 taken 49 times.
 1794 dstFormat != AV_PIX_FMT_BGR48BE &&
1499
2/2
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✓ Branch 1 taken 13 times.
 1745 dstFormat != AV_PIX_FMT_RGBA &&
1500
2/2
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✓ Branch 1 taken 508 times.
 1732 dstFormat != AV_PIX_FMT_ARGB &&
1501
2/2
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✓ Branch 1 taken 4 times.
 1224 dstFormat != AV_PIX_FMT_BGRA &&
1502
2/2
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✓ Branch 1 taken 1157 times.
 1220 dstFormat != AV_PIX_FMT_ABGR &&
1503
2/2
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✓ Branch 1 taken 36 times.
 63 dstFormat != AV_PIX_FMT_RGB24 &&
1504
2/2
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✓ Branch 1 taken 2 times.
 27 dstFormat != AV_PIX_FMT_BGR24 &&
1505
2/2
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✓ Branch 1 taken 2 times.
 25 dstFormat != AV_PIX_FMT_BGR4_BYTE &&
1506
2/2
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✓ Branch 1 taken 4 times.
 23 dstFormat != AV_PIX_FMT_RGB4_BYTE &&
1507
2/2
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✓ Branch 1 taken 3 times.
 19 dstFormat != AV_PIX_FMT_BGR8 &&
1508 dstFormat != AV_PIX_FMT_RGB8
1509 ) {
1510 16 av_log(c, AV_LOG_WARNING,
1511 "full chroma interpolation for destination format '%s' not yet implemented\n",
1512 av_get_pix_fmt_name(dstFormat));
1513 16 flags &= ~SWS_FULL_CHR_H_INT;
1514 16 c->flags = flags;
1515 }
1516
4/4
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✓ Branch 4 taken 2421 times.
 6823 if (isAnyRGB(dstFormat) && !(flags & SWS_FULL_CHR_H_INT))
1517 853 c->chrDstHSubSample = 1;
1518
1519 // drop some chroma lines if the user wants it
1520 6823 c->vChrDrop = (flags & SWS_SRC_V_CHR_DROP_MASK) >>
1521 SWS_SRC_V_CHR_DROP_SHIFT;
1522 6823 c->chrSrcVSubSample += c->vChrDrop;
1523
1524 /* drop every other pixel for chroma calculation unless user
1525 * wants full chroma */
1526
5/6
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 6823 if (isAnyRGB(srcFormat) && !(flags & SWS_FULL_CHR_H_INP) &&
1527
3/4
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 1227 srcFormat != AV_PIX_FMT_RGB8 && srcFormat != AV_PIX_FMT_BGR8 &&
1528
3/4
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 1226 srcFormat != AV_PIX_FMT_RGB4 && srcFormat != AV_PIX_FMT_BGR4 &&
1529
4/4
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 1225 srcFormat != AV_PIX_FMT_RGB4_BYTE && srcFormat != AV_PIX_FMT_BGR4_BYTE &&
1530
4/4
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 1223 srcFormat != AV_PIX_FMT_GBRP9BE && srcFormat != AV_PIX_FMT_GBRP9LE &&
1531
4/4
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 1220 srcFormat != AV_PIX_FMT_GBRP10BE && srcFormat != AV_PIX_FMT_GBRP10LE &&
1532
4/4
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 1203 srcFormat != AV_PIX_FMT_GBRAP10BE && srcFormat != AV_PIX_FMT_GBRAP10LE &&
1533
4/4
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 1200 srcFormat != AV_PIX_FMT_GBRP12BE && srcFormat != AV_PIX_FMT_GBRP12LE &&
1534
4/4
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✓ Branch 3 taken 1 times.
 1197 srcFormat != AV_PIX_FMT_GBRAP12BE && srcFormat != AV_PIX_FMT_GBRAP12LE &&
1535
4/4
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 1194 srcFormat != AV_PIX_FMT_GBRAP14BE && srcFormat != AV_PIX_FMT_GBRAP14LE &&
1536
4/4
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 1192 srcFormat != AV_PIX_FMT_GBRP14BE && srcFormat != AV_PIX_FMT_GBRP14LE &&
1537
4/4
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 1180 srcFormat != AV_PIX_FMT_GBRP16BE && srcFormat != AV_PIX_FMT_GBRP16LE &&
1538
4/4
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 1162 srcFormat != AV_PIX_FMT_GBRAP16BE && srcFormat != AV_PIX_FMT_GBRAP16LE &&
1539
4/4
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 1157 srcFormat != AV_PIX_FMT_GBRPF32BE && srcFormat != AV_PIX_FMT_GBRPF32LE &&
1540
2/2
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 1124 srcFormat != AV_PIX_FMT_GBRAPF32BE && srcFormat != AV_PIX_FMT_GBRAPF32LE &&
1541
2/2
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✓ Branch 1 taken 226 times.
 1123 ((dstW >> c->chrDstHSubSample) <= (srcW >> 1) ||
1542
1/2
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✓ Branch 1 taken 897 times.
 897 (flags & SWS_FAST_BILINEAR)))
1543 226 c->chrSrcHSubSample = 1;
1544
1545 // Note the AV_CEIL_RSHIFT is so that we always round toward +inf.
1546 6823 c->chrSrcW = AV_CEIL_RSHIFT(srcW, c->chrSrcHSubSample);
1547 6823 c->chrSrcH = AV_CEIL_RSHIFT(srcH, c->chrSrcVSubSample);
1548 6823 c->chrDstW = AV_CEIL_RSHIFT(dstW, c->chrDstHSubSample);
1549 6823 c->chrDstH = AV_CEIL_RSHIFT(dstH, c->chrDstVSubSample);
1550
1551
1/2
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✓ Branch 2 taken 6823 times.
 6823 if (!FF_ALLOCZ_TYPED_ARRAY(c->formatConvBuffer, FFALIGN(srcW * 2 + 78, 16) * 2))
1552 ✗ goto nomem;
1553
1554 6823 c->srcBpc = desc_src->comp[0].depth;
1555
2/2
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✓ Branch 1 taken 6643 times.
 6823 if (c->srcBpc < 8)
1556 180 c->srcBpc = 8;
1557 6823 c->dstBpc = desc_dst->comp[0].depth;
1558
2/2
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✓ Branch 1 taken 6543 times.
 6823 if (c->dstBpc < 8)
1559 280 c->dstBpc = 8;
1560
4/4
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✓ Branch 3 taken 862 times.
✓ Branch 4 taken 4733 times.
 6823 if (isAnyRGB(srcFormat) || srcFormat == AV_PIX_FMT_PAL8)
1561 2090 c->srcBpc = 16;
1562
2/2
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✓ Branch 1 taken 6205 times.
 6823 if (c->dstBpc == 16)
1563 618 dst_stride <<= 1;
1564
1565
6/6
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✓ Branch 2 taken 100 times.
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✓ Branch 4 taken 99 times.
✓ Branch 5 taken 1 times.
 6823 if (INLINE_MMXEXT(cpu_flags) && c->srcBpc == 8 && c->dstBpc <= 14) {
1566
1/2
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✓ Branch 1 taken 99 times.
 99 c->canMMXEXTBeUsed = dstW >= srcW && (dstW & 31) == 0 &&
1567
1/4
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 198 c->chrDstW >= c->chrSrcW &&
1568 ✗ (srcW & 15) == 0;
1569
4/8
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 99 if (!c->canMMXEXTBeUsed && dstW >= srcW && c->chrDstW >= c->chrSrcW && (srcW & 15) == 0
1570
1571
1/2
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✓ Branch 1 taken 99 times.
 99 && (flags & SWS_FAST_BILINEAR)) {
1572 ✗ if (flags & SWS_PRINT_INFO)
1573 ✗ av_log(c, AV_LOG_INFO,
1574 "output width is not a multiple of 32 -> no MMXEXT scaler\n");
1575 }
1576
4/8
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 99 if (usesHFilter || isNBPS(c->srcFormat) || is16BPS(c->srcFormat) || isAnyRGB(c->srcFormat))
1577 ✗ c->canMMXEXTBeUsed = 0;
1578 } else
1579 6724 c->canMMXEXTBeUsed = 0;
1580
1581 6823 c->chrXInc = (((int64_t)c->chrSrcW << 16) + (c->chrDstW >> 1)) / c->chrDstW;
1582 6823 c->chrYInc = (((int64_t)c->chrSrcH << 16) + (c->chrDstH >> 1)) / c->chrDstH;
1583
1584 /* Match pixel 0 of the src to pixel 0 of dst and match pixel n-2 of src
1585 * to pixel n-2 of dst, but only for the FAST_BILINEAR mode otherwise do
1586 * correct scaling.
1587 * n-2 is the last chrominance sample available.
1588 * This is not perfect, but no one should notice the difference, the more
1589 * correct variant would be like the vertical one, but that would require
1590 * some special code for the first and last pixel */
1591
1/2
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 6823 if (flags & SWS_FAST_BILINEAR) {
1592 ✗ if (c->canMMXEXTBeUsed) {
1593 ✗ c->lumXInc += 20;
1594 ✗ c->chrXInc += 20;
1595 }
1596 // we don't use the x86 asm scaler if MMX is available
1597 ✗ else if (INLINE_MMX(cpu_flags) && c->dstBpc <= 14) {
1598 ✗ c->lumXInc = ((int64_t)(srcW - 2) << 16) / (dstW - 2) - 20;
1599 ✗ c->chrXInc = ((int64_t)(c->chrSrcW - 2) << 16) / (c->chrDstW - 2) - 20;
1600 }
1601 }
1602
1603 // hardcoded for now
1604 6823 c->gamma_value = 2.2;
1605 6823 tmpFmt = AV_PIX_FMT_RGBA64LE;
1606
1607
1608
3/8
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 6823 if (!unscaled && c->gamma_flag && (srcFormat != tmpFmt || dstFormat != tmpFmt)) {
1609 SwsContext *c2;
1610 ✗ c->cascaded_context[0] = NULL;
1611
1612 ✗ ret = av_image_alloc(c->cascaded_tmp, c->cascaded_tmpStride,
1613 srcW, srcH, tmpFmt, 64);
1614 ✗ if (ret < 0)
1615 ✗ return ret;
1616
1617 ✗ c->cascaded_context[0] = sws_getContext(srcW, srcH, srcFormat,
1618 srcW, srcH, tmpFmt,
1619 ✗ flags, NULL, NULL, c->param);
1620 ✗ if (!c->cascaded_context[0]) {
1621 ✗ return AVERROR(ENOMEM);
1622 }
1623
1624 ✗ c->cascaded_context[1] = sws_getContext(srcW, srcH, tmpFmt,
1625 dstW, dstH, tmpFmt,
1626 ✗ flags, srcFilter, dstFilter, c->param);
1627
1628 ✗ if (!c->cascaded_context[1])
1629 ✗ return AVERROR(ENOMEM);
1630
1631 ✗ c2 = c->cascaded_context[1];
1632 ✗ c2->is_internal_gamma = 1;
1633 ✗ c2->gamma = alloc_gamma_tbl( c->gamma_value);
1634 ✗ c2->inv_gamma = alloc_gamma_tbl(1.f/c->gamma_value);
1635 ✗ if (!c2->gamma || !c2->inv_gamma)
1636 ✗ return AVERROR(ENOMEM);
1637
1638 // is_internal_flag is set after creating the context
1639 // to properly create the gamma convert FilterDescriptor
1640 // we have to re-initialize it
1641 ✗ ff_free_filters(c2);
1642 ✗ if ((ret = ff_init_filters(c2)) < 0) {
1643 ✗ sws_freeContext(c2);
1644 ✗ c->cascaded_context[1] = NULL;
1645 ✗ return ret;
1646 }
1647
1648 ✗ c->cascaded_context[2] = NULL;
1649 ✗ if (dstFormat != tmpFmt) {
1650 ✗ ret = av_image_alloc(c->cascaded1_tmp, c->cascaded1_tmpStride,
1651 dstW, dstH, tmpFmt, 64);
1652 ✗ if (ret < 0)
1653 ✗ return ret;
1654
1655 ✗ c->cascaded_context[2] = sws_getContext(dstW, dstH, tmpFmt,
1656 dstW, dstH, dstFormat,
1657 ✗ flags, NULL, NULL, c->param);
1658 ✗ if (!c->cascaded_context[2])
1659 ✗ return AVERROR(ENOMEM);
1660 }
1661 ✗ return 0;
1662 }
1663
1664
1/2
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✓ Branch 2 taken 6823 times.
 6823 if (isBayer(srcFormat)) {
1665 ✗ if (!unscaled ||
1666 ✗ (dstFormat != AV_PIX_FMT_RGB24 && dstFormat != AV_PIX_FMT_YUV420P &&
1667 dstFormat != AV_PIX_FMT_RGB48)) {
1668 ✗ enum AVPixelFormat tmpFormat = isBayer16BPS(srcFormat) ? AV_PIX_FMT_RGB48 : AV_PIX_FMT_RGB24;
1669
1670 ✗ ret = av_image_alloc(c->cascaded_tmp, c->cascaded_tmpStride,
1671 srcW, srcH, tmpFormat, 64);
1672 ✗ if (ret < 0)
1673 ✗ return ret;
1674
1675 ✗ c->cascaded_context[0] = sws_getContext(srcW, srcH, srcFormat,
1676 srcW, srcH, tmpFormat,
1677 ✗ flags, srcFilter, NULL, c->param);
1678 ✗ if (!c->cascaded_context[0])
1679 ✗ return AVERROR(ENOMEM);
1680
1681 ✗ c->cascaded_context[1] = sws_getContext(srcW, srcH, tmpFormat,
1682 dstW, dstH, dstFormat,
1683 ✗ flags, NULL, dstFilter, c->param);
1684 ✗ if (!c->cascaded_context[1])
1685 ✗ return AVERROR(ENOMEM);
1686 ✗ return 0;
1687 }
1688 }
1689
1690
6/6
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✓ Branch 3 taken 2257 times.
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✓ Branch 5 taken 3691 times.
 6823 if (unscaled && c->srcBpc == 8 && dstFormat == AV_PIX_FMT_GRAYF32){
1691
2/2
✓ Branch 0 taken 4096 times.
✓ Branch 1 taken 16 times.
 4112 for (i = 0; i < 256; ++i){
1692 4096 c->uint2float_lut[i] = (float)i * float_mult;
1693 }
1694 }
1695
1696 // float will be converted to uint16_t
1697
6/6
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 6823 if ((srcFormat == AV_PIX_FMT_GRAYF32BE || srcFormat == AV_PIX_FMT_GRAYF32LE) &&
1698
4/8
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 1 (!unscaled || unscaled && dstFormat != srcFormat && (srcFormat != AV_PIX_FMT_GRAYF32 ||
1699 dstFormat != AV_PIX_FMT_GRAY8))){
1700 3 c->srcBpc = 16;
1701 }
1702
1703
4/4
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✓ Branch 4 taken 979 times.
✓ Branch 5 taken 650 times.
 6823 if (CONFIG_SWSCALE_ALPHA && isALPHA(srcFormat) && !isALPHA(dstFormat)) {
1704 979 enum AVPixelFormat tmpFormat = alphaless_fmt(srcFormat);
1705
1706
3/4
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 979 if (tmpFormat != AV_PIX_FMT_NONE && c->alphablend != SWS_ALPHA_BLEND_NONE) {
1707 ✗ if (!unscaled ||
1708 ✗ dstFormat != tmpFormat ||
1709 ✗ usesHFilter || usesVFilter ||
1710 ✗ c->srcRange != c->dstRange
1711 ) {
1712 ✗ c->cascaded_mainindex = 1;
1713 ✗ ret = av_image_alloc(c->cascaded_tmp, c->cascaded_tmpStride,
1714 srcW, srcH, tmpFormat, 64);
1715 ✗ if (ret < 0)
1716 ✗ return ret;
1717
1718 ✗ c->cascaded_context[0] = alloc_set_opts(srcW, srcH, srcFormat,
1719 srcW, srcH, tmpFormat,
1720 ✗ flags, c->param);
1721 ✗ if (!c->cascaded_context[0])
1722 ✗ return AVERROR(EINVAL);
1723 ✗ c->cascaded_context[0]->alphablend = c->alphablend;
1724 ✗ ret = sws_init_context(c->cascaded_context[0], NULL , NULL);
1725 ✗ if (ret < 0)
1726 ✗ return ret;
1727
1728 ✗ c->cascaded_context[1] = alloc_set_opts(srcW, srcH, tmpFormat,
1729 dstW, dstH, dstFormat,
1730 ✗ flags, c->param);
1731 ✗ if (!c->cascaded_context[1])
1732 ✗ return AVERROR(EINVAL);
1733
1734 ✗ c->cascaded_context[1]->srcRange = c->srcRange;
1735 ✗ c->cascaded_context[1]->dstRange = c->dstRange;
1736 ✗ ret = sws_init_context(c->cascaded_context[1], srcFilter , dstFilter);
1737 ✗ if (ret < 0)
1738 ✗ return ret;
1739
1740 ✗ return 0;
1741 }
1742 }
1743 }
1744
1745 /* alpha blend special case, note this has been split via cascaded contexts if its scaled */
1746
4/6
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 6823 if (unscaled && !usesHFilter && !usesVFilter &&
1747
1/4
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 5964 c->alphablend != SWS_ALPHA_BLEND_NONE &&
1748 ✗ isALPHA(srcFormat) &&
1749 ✗ (c->srcRange == c->dstRange || isAnyRGB(dstFormat)) &&
1750 ✗ alphaless_fmt(srcFormat) == dstFormat
1751 ) {
1752 ✗ c->convert_unscaled = ff_sws_alphablendaway;
1753
1754 ✗ if (flags & SWS_PRINT_INFO)
1755 ✗ av_log(c, AV_LOG_INFO,
1756 "using alpha blendaway %s -> %s special converter\n",
1757 av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat));
1758 ✗ return 0;
1759 }
1760
1761 /* unscaled special cases */
1762
4/6
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 6823 if (unscaled && !usesHFilter && !usesVFilter &&
1763
5/6
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 6558 (c->srcRange == c->dstRange || isAnyRGB(dstFormat) ||
1764
2/4
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 1188 isFloat(srcFormat) || isFloat(dstFormat) || isBayer(srcFormat))){
1765
1766 5370 ff_get_unscaled_swscale(c);
1767
1768
2/2
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 5370 if (c->convert_unscaled) {
1769
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 2078 if (flags & SWS_PRINT_INFO)
1770 ✗ av_log(c, AV_LOG_INFO,
1771 "using unscaled %s -> %s special converter\n",
1772 av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat));
1773 2078 return 0;
1774 }
1775 }
1776
1777 #if HAVE_MMAP && HAVE_MPROTECT && defined(MAP_ANONYMOUS)
1778 #define USE_MMAP 1
1779 #else
1780 #define USE_MMAP 0
1781 #endif
1782
1783 /* precalculate horizontal scaler filter coefficients */
1784 {
1785 #if HAVE_MMXEXT_INLINE
1786 // can't downscale !!!
1787
1/4
✗ Branch 0 not taken.
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✗ Branch 2 not taken.
✗ Branch 3 not taken.
 4745 if (c->canMMXEXTBeUsed && (flags & SWS_FAST_BILINEAR)) {
1788 ✗ c->lumMmxextFilterCodeSize = ff_init_hscaler_mmxext(dstW, c->lumXInc, NULL,
1789 NULL, NULL, 8);
1790 ✗ c->chrMmxextFilterCodeSize = ff_init_hscaler_mmxext(c->chrDstW, c->chrXInc,
1791 NULL, NULL, NULL, 4);
1792
1793 #if USE_MMAP
1794 ✗ c->lumMmxextFilterCode = mmap(NULL, c->lumMmxextFilterCodeSize,
1795 PROT_READ | PROT_WRITE,
1796 MAP_PRIVATE | MAP_ANONYMOUS,
1797 -1, 0);
1798 ✗ c->chrMmxextFilterCode = mmap(NULL, c->chrMmxextFilterCodeSize,
1799 PROT_READ | PROT_WRITE,
1800 MAP_PRIVATE | MAP_ANONYMOUS,
1801 -1, 0);
1802 #elif HAVE_VIRTUALALLOC
1803 c->lumMmxextFilterCode = VirtualAlloc(NULL,
1804 c->lumMmxextFilterCodeSize,
1805 MEM_COMMIT,
1806 PAGE_EXECUTE_READWRITE);
1807 c->chrMmxextFilterCode = VirtualAlloc(NULL,
1808 c->chrMmxextFilterCodeSize,
1809 MEM_COMMIT,
1810 PAGE_EXECUTE_READWRITE);
1811 #else
1812 c->lumMmxextFilterCode = av_malloc(c->lumMmxextFilterCodeSize);
1813 c->chrMmxextFilterCode = av_malloc(c->chrMmxextFilterCodeSize);
1814 #endif
1815
1816 #ifdef MAP_ANONYMOUS
1817 ✗ if (c->lumMmxextFilterCode == MAP_FAILED || c->chrMmxextFilterCode == MAP_FAILED)
1818 #else
1819 if (!c->lumMmxextFilterCode || !c->chrMmxextFilterCode)
1820 #endif
1821 {
1822 ✗ av_log(c, AV_LOG_ERROR, "Failed to allocate MMX2FilterCode\n");
1823 ✗ return AVERROR(ENOMEM);
1824 }
1825
1826 ✗ if (!FF_ALLOCZ_TYPED_ARRAY(c->hLumFilter, dstW / 8 + 8) ||
1827 ✗ !FF_ALLOCZ_TYPED_ARRAY(c->hChrFilter, c->chrDstW / 4 + 8) ||
1828 ✗ !FF_ALLOCZ_TYPED_ARRAY(c->hLumFilterPos, dstW / 2 / 8 + 8) ||
1829 ✗ !FF_ALLOCZ_TYPED_ARRAY(c->hChrFilterPos, c->chrDstW / 2 / 4 + 8))
1830 ✗ goto nomem;
1831
1832 ✗ ff_init_hscaler_mmxext( dstW, c->lumXInc, c->lumMmxextFilterCode,
1833 c->hLumFilter, (uint32_t*)c->hLumFilterPos, 8);
1834 ✗ ff_init_hscaler_mmxext(c->chrDstW, c->chrXInc, c->chrMmxextFilterCode,
1835 c->hChrFilter, (uint32_t*)c->hChrFilterPos, 4);
1836
1837 #if USE_MMAP
1838 ✗ if ( mprotect(c->lumMmxextFilterCode, c->lumMmxextFilterCodeSize, PROT_EXEC | PROT_READ) == -1
1839 ✗ || mprotect(c->chrMmxextFilterCode, c->chrMmxextFilterCodeSize, PROT_EXEC | PROT_READ) == -1) {
1840 ✗ av_log(c, AV_LOG_ERROR, "mprotect failed, cannot use fast bilinear scaler\n");
1841 ✗ ret = AVERROR(EINVAL);
1842 ✗ goto fail;
1843 }
1844 #endif
1845 } else
1846 #endif /* HAVE_MMXEXT_INLINE */
1847 {
1848
2/2
✓ Branch 0 taken 71 times.
✓ Branch 1 taken 4674 times.
 4745 const int filterAlign = X86_MMX(cpu_flags) ? 4 :
1849 PPC_ALTIVEC(cpu_flags) ? 8 :
1850 have_neon(cpu_flags) ? 4 :
1851 have_lsx(cpu_flags) ? 8 :
1852 have_lasx(cpu_flags) ? 8 : 1;
1853
1854
1/2
✗ Branch 3 not taken.
✓ Branch 4 taken 4745 times.
 9490 if ((ret = initFilter(&c->hLumFilter, &c->hLumFilterPos,
1855 &c->hLumFilterSize, c->lumXInc,
1856 srcW, dstW, filterAlign, 1 << 14,
1857 4745 (flags & SWS_BICUBLIN) ? (flags | SWS_BICUBIC) : flags,
1858 cpu_flags, srcFilter->lumH, dstFilter->lumH,
1859
1/2
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✓ Branch 1 taken 4745 times.
 4745 c->param,
1860 get_local_pos(c, 0, 0, 0),
1861 get_local_pos(c, 0, 0, 0))) < 0)
1862 ✗ goto fail;
1863
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 4745 times.
 4745 if (ff_shuffle_filter_coefficients(c, c->hLumFilterPos, c->hLumFilterSize, c->hLumFilter, dstW) < 0)
1864 ✗ goto nomem;
1865
1/2
✗ Branch 3 not taken.
✓ Branch 4 taken 4745 times.
 9490 if ((ret = initFilter(&c->hChrFilter, &c->hChrFilterPos,
1866 &c->hChrFilterSize, c->chrXInc,
1867 c->chrSrcW, c->chrDstW, filterAlign, 1 << 14,
1868 4745 (flags & SWS_BICUBLIN) ? (flags | SWS_BILINEAR) : flags,
1869 cpu_flags, srcFilter->chrH, dstFilter->chrH,
1870
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 4745 c->param,
1871 get_local_pos(c, c->chrSrcHSubSample, c->src_h_chr_pos, 0),
1872 get_local_pos(c, c->chrDstHSubSample, c->dst_h_chr_pos, 0))) < 0)
1873 ✗ goto fail;
1874
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 4745 times.
 4745 if (ff_shuffle_filter_coefficients(c, c->hChrFilterPos, c->hChrFilterSize, c->hChrFilter, c->chrDstW) < 0)
1875 ✗ goto nomem;
1876 }
1877 } // initialize horizontal stuff
1878
1879 /* precalculate vertical scaler filter coefficients */
1880 {
1881
2/2
✓ Branch 0 taken 71 times.
✓ Branch 1 taken 4674 times.
 4745 const int filterAlign = X86_MMX(cpu_flags) ? 2 :
1882 PPC_ALTIVEC(cpu_flags) ? 8 :
1883 have_neon(cpu_flags) ? 2 : 1;
1884
1885
1/2
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✓ Branch 4 taken 4745 times.
 9490 if ((ret = initFilter(&c->vLumFilter, &c->vLumFilterPos, &c->vLumFilterSize,
1886 c->lumYInc, srcH, dstH, filterAlign, (1 << 12),
1887 4745 (flags & SWS_BICUBLIN) ? (flags | SWS_BICUBIC) : flags,
1888 cpu_flags, srcFilter->lumV, dstFilter->lumV,
1889
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✗ Branch 0 not taken.
✓ Branch 1 taken 4745 times.
 4745 c->param,
1890 get_local_pos(c, 0, 0, 1),
1891 get_local_pos(c, 0, 0, 1))) < 0)
1892 ✗ goto fail;
1893
1/2
✗ Branch 3 not taken.
✓ Branch 4 taken 4745 times.
 9490 if ((ret = initFilter(&c->vChrFilter, &c->vChrFilterPos, &c->vChrFilterSize,
1894 c->chrYInc, c->chrSrcH, c->chrDstH,
1895 filterAlign, (1 << 12),
1896 4745 (flags & SWS_BICUBLIN) ? (flags | SWS_BILINEAR) : flags,
1897 cpu_flags, srcFilter->chrV, dstFilter->chrV,
1898
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✓ Branch 1 taken 4745 times.
 4745 c->param,
1899 get_local_pos(c, c->chrSrcVSubSample, c->src_v_chr_pos, 1),
1900 get_local_pos(c, c->chrDstVSubSample, c->dst_v_chr_pos, 1))) < 0)
1901
1902 ✗ goto fail;
1903
1904 #if HAVE_ALTIVEC
1905 if (!FF_ALLOC_TYPED_ARRAY(c->vYCoeffsBank, c->vLumFilterSize * c->dstH) ||
1906 !FF_ALLOC_TYPED_ARRAY(c->vCCoeffsBank, c->vChrFilterSize * c->chrDstH))
1907 goto nomem;
1908
1909 for (i = 0; i < c->vLumFilterSize * c->dstH; i++) {
1910 int j;
1911 short *p = (short *)&c->vYCoeffsBank[i];
1912 for (j = 0; j < 8; j++)
1913 p[j] = c->vLumFilter[i];
1914 }
1915
1916 for (i = 0; i < c->vChrFilterSize * c->chrDstH; i++) {
1917 int j;
1918 short *p = (short *)&c->vCCoeffsBank[i];
1919 for (j = 0; j < 8; j++)
1920 p[j] = c->vChrFilter[i];
1921 }
1922 #endif
1923 }
1924
1925
2/2
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✓ Branch 1 taken 4745 times.
 23725 for (i = 0; i < 4; i++)
1926
1/2
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✓ Branch 2 taken 18980 times.
 18980 if (!FF_ALLOCZ_TYPED_ARRAY(c->dither_error[i], c->dstW + 3))
1927 ✗ goto nomem;
1928
1929
4/4
✓ Branch 1 taken 519 times.
✓ Branch 2 taken 4226 times.
✓ Branch 4 taken 296 times.
✓ Branch 5 taken 223 times.
 4745 c->needAlpha = (CONFIG_SWSCALE_ALPHA && isALPHA(c->srcFormat) && isALPHA(c->dstFormat)) ? 1 : 0;
1930
1931 // 64 / c->scalingBpp is the same as 16 / sizeof(scaling_intermediate)
1932 4745 c->uv_off = (dst_stride>>1) + 64 / (c->dstBpc &~ 7);
1933 4745 c->uv_offx2 = dst_stride + 16;
1934
1935
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 4745 av_assert0(c->chrDstH <= dstH);
1936
1937
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 4745 times.
 4745 if (flags & SWS_PRINT_INFO) {
1938 ✗ const char *scaler = NULL, *cpucaps;
1939
1940 ✗ for (i = 0; i < FF_ARRAY_ELEMS(scale_algorithms); i++) {
1941 ✗ if (flags & scale_algorithms[i].flag) {
1942 ✗ scaler = scale_algorithms[i].description;
1943 ✗ break;
1944 }
1945 }
1946 ✗ if (!scaler)
1947 ✗ scaler = "ehh flags invalid?!";
1948 ✗ av_log(c, AV_LOG_INFO, "%s scaler, from %s to %s%s ",
1949 scaler,
1950 av_get_pix_fmt_name(srcFormat),
1951 #ifdef DITHER1XBPP
1952 ✗ dstFormat == AV_PIX_FMT_BGR555 || dstFormat == AV_PIX_FMT_BGR565 ||
1953 ✗ dstFormat == AV_PIX_FMT_RGB444BE || dstFormat == AV_PIX_FMT_RGB444LE ||
1954 ✗ dstFormat == AV_PIX_FMT_BGR444BE || dstFormat == AV_PIX_FMT_BGR444LE ?
1955 "dithered " : "",
1956 #else
1957 "",
1958 #endif
1959 av_get_pix_fmt_name(dstFormat));
1960
1961 ✗ if (INLINE_MMXEXT(cpu_flags))
1962 ✗ cpucaps = "MMXEXT";
1963 ✗ else if (INLINE_MMX(cpu_flags))
1964 ✗ cpucaps = "MMX";
1965 else if (PPC_ALTIVEC(cpu_flags))
1966 cpucaps = "AltiVec";
1967 else
1968 ✗ cpucaps = "C";
1969
1970 ✗ av_log(c, AV_LOG_INFO, "using %s\n", cpucaps);
1971
1972 ✗ av_log(c, AV_LOG_VERBOSE, "%dx%d -> %dx%d\n", srcW, srcH, dstW, dstH);
1973 ✗ av_log(c, AV_LOG_DEBUG,
1974 "lum srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n",
1975 c->srcW, c->srcH, c->dstW, c->dstH, c->lumXInc, c->lumYInc);
1976 ✗ av_log(c, AV_LOG_DEBUG,
1977 "chr srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n",
1978 c->chrSrcW, c->chrSrcH, c->chrDstW, c->chrDstH,
1979 c->chrXInc, c->chrYInc);
1980 }
1981
1982 4745 ff_sws_init_scale(c);
1983
1984 4745 return ff_init_filters(c);
1985 ✗ nomem:
1986 ✗ ret = AVERROR(ENOMEM);
1987 ✗ fail: // FIXME replace things by appropriate error codes
1988 ✗ if (ret == RETCODE_USE_CASCADE) {
1989 ✗ int tmpW = sqrt(srcW * (int64_t)dstW);
1990 ✗ int tmpH = sqrt(srcH * (int64_t)dstH);
1991 ✗ enum AVPixelFormat tmpFormat = AV_PIX_FMT_YUV420P;
1992
1993 ✗ if (isALPHA(srcFormat))
1994 ✗ tmpFormat = AV_PIX_FMT_YUVA420P;
1995
1996 ✗ if (srcW*(int64_t)srcH <= 4LL*dstW*dstH)
1997 ✗ return AVERROR(EINVAL);
1998
1999 ✗ ret = av_image_alloc(c->cascaded_tmp, c->cascaded_tmpStride,
2000 tmpW, tmpH, tmpFormat, 64);
2001 ✗ if (ret < 0)
2002 ✗ return ret;
2003
2004 ✗ c->cascaded_context[0] = sws_getContext(srcW, srcH, srcFormat,
2005 tmpW, tmpH, tmpFormat,
2006 ✗ flags, srcFilter, NULL, c->param);
2007 ✗ if (!c->cascaded_context[0])
2008 ✗ return AVERROR(ENOMEM);
2009
2010 ✗ c->cascaded_context[1] = sws_getContext(tmpW, tmpH, tmpFormat,
2011 dstW, dstH, dstFormat,
2012 ✗ flags, NULL, dstFilter, c->param);
2013 ✗ if (!c->cascaded_context[1])
2014 ✗ return AVERROR(ENOMEM);
2015 ✗ return 0;
2016 }
2017 ✗ return ret;
2018 }
2019
2020 361 static int context_init_threaded(SwsContext *c,
2021 SwsFilter *src_filter, SwsFilter *dst_filter)
2022 {
2023 int ret;
2024
2025 361 ret = avpriv_slicethread_create(&c->slicethread, (void*)c,
2026 ff_sws_slice_worker, NULL, c->nb_threads);
2027
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 361 times.
 361 if (ret == AVERROR(ENOSYS)) {
2028 ✗ c->nb_threads = 1;
2029 ✗ return 0;
2030
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 361 times.
 361 } else if (ret < 0)
2031 ✗ return ret;
2032
2033 361 c->nb_threads = ret;
2034
2035 361 c->slice_ctx = av_calloc(c->nb_threads, sizeof(*c->slice_ctx));
2036 361 c->slice_err = av_calloc(c->nb_threads, sizeof(*c->slice_err));
2037
2/4
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✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 361 times.
 361 if (!c->slice_ctx || !c->slice_err)
2038 ✗ return AVERROR(ENOMEM);
2039
2040
2/2
✓ Branch 0 taken 3194 times.
✓ Branch 1 taken 356 times.
 3550 for (int i = 0; i < c->nb_threads; i++) {
2041 3194 c->slice_ctx[i] = sws_alloc_context();
2042
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 3194 times.
 3194 if (!c->slice_ctx[i])
2043 ✗ return AVERROR(ENOMEM);
2044
2045 3194 c->slice_ctx[i]->parent = c;
2046
2047 3194 ret = av_opt_copy((void*)c->slice_ctx[i], (void*)c);
2048
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 3194 times.
 3194 if (ret < 0)
2049 ✗ return ret;
2050
2051 3194 c->slice_ctx[i]->nb_threads = 1;
2052
2053 3194 ret = sws_init_single_context(c->slice_ctx[i], src_filter, dst_filter);
2054
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 3194 times.
 3194 if (ret < 0)
2055 ✗ return ret;
2056
2057 3194 c->nb_slice_ctx++;
2058
2059
2/2
✓ Branch 0 taken 5 times.
✓ Branch 1 taken 3189 times.
 3194 if (c->slice_ctx[i]->dither == SWS_DITHER_ED) {
2060 5 av_log(c, AV_LOG_VERBOSE,
2061 "Error-diffusion dither is in use, scaling will be single-threaded.");
2062 5 break;
2063 }
2064 }
2065
2066 361 return 0;
2067 }
2068
2069 3990 av_cold int sws_init_context(SwsContext *c, SwsFilter *srcFilter,
2070 SwsFilter *dstFilter)
2071 {
2072 static AVOnce rgb2rgb_once = AV_ONCE_INIT;
2073 enum AVPixelFormat src_format, dst_format;
2074 int ret;
2075
2076 3990 c->frame_src = av_frame_alloc();
2077 3990 c->frame_dst = av_frame_alloc();
2078
2/4
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✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 3990 times.
 3990 if (!c->frame_src || !c->frame_dst)
2079 ✗ return AVERROR(ENOMEM);
2080
2081
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 3990 times.
 3990 if (ff_thread_once(&rgb2rgb_once, ff_sws_rgb2rgb_init) != 0)
2082 ✗ return AVERROR_UNKNOWN;
2083
2084 3990 src_format = c->srcFormat;
2085 3990 dst_format = c->dstFormat;
2086 3990 c->srcRange |= handle_jpeg(&c->srcFormat);
2087 3990 c->dstRange |= handle_jpeg(&c->dstFormat);
2088
2089
4/4
✓ Branch 0 taken 3834 times.
✓ Branch 1 taken 156 times.
✓ Branch 2 taken 126 times.
✓ Branch 3 taken 3708 times.
 3990 if (src_format != c->srcFormat || dst_format != c->dstFormat)
2090 282 av_log(c, AV_LOG_WARNING, "deprecated pixel format used, make sure you did set range correctly\n");
2091
2092
2/2
✓ Branch 0 taken 361 times.
✓ Branch 1 taken 3629 times.
 3990 if (c->nb_threads != 1) {
2093 361 ret = context_init_threaded(c, srcFilter, dstFilter);
2094
2/4
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✗ Branch 1 not taken.
✓ Branch 2 taken 361 times.
✗ Branch 3 not taken.
 361 if (ret < 0 || c->nb_threads > 1)
2095 361 return ret;
2096 // threading disabled in this build, init as single-threaded
2097 }
2098
2099 3629 return sws_init_single_context(c, srcFilter, dstFilter);
2100 }
2101
2102 62 SwsContext *sws_getContext(int srcW, int srcH, enum AVPixelFormat srcFormat,
2103 int dstW, int dstH, enum AVPixelFormat dstFormat,
2104 int flags, SwsFilter *srcFilter,
2105 SwsFilter *dstFilter, const double *param)
2106 {
2107 SwsContext *c;
2108
2109 62 c = alloc_set_opts(srcW, srcH, srcFormat,
2110 dstW, dstH, dstFormat,
2111 flags, param);
2112
1/2
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✓ Branch 1 taken 62 times.
 62 if (!c)
2113 ✗ return NULL;
2114
2115
1/2
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✓ Branch 2 taken 62 times.
 62 if (sws_init_context(c, srcFilter, dstFilter) < 0) {
2116 ✗ sws_freeContext(c);
2117 ✗ return NULL;
2118 }
2119
2120 62 return c;
2121 }
2122
2123 ✗ static int isnan_vec(SwsVector *a)
2124 {
2125 int i;
2126 ✗ for (i=0; i<a->length; i++)
2127 ✗ if (isnan(a->coeff[i]))
2128 ✗ return 1;
2129 ✗ return 0;
2130 }
2131
2132 ✗ static void makenan_vec(SwsVector *a)
2133 {
2134 int i;
2135 ✗ for (i=0; i<a->length; i++)
2136 ✗ a->coeff[i] = NAN;
2137 ✗ }
2138
2139 ✗ SwsVector *sws_allocVec(int length)
2140 {
2141 SwsVector *vec;
2142
2143 ✗ if(length <= 0 || length > INT_MAX/ sizeof(double))
2144 ✗ return NULL;
2145
2146 ✗ vec = av_malloc(sizeof(SwsVector));
2147 ✗ if (!vec)
2148 ✗ return NULL;
2149 ✗ vec->length = length;
2150 ✗ vec->coeff = av_malloc(sizeof(double) * length);
2151 ✗ if (!vec->coeff)
2152 ✗ av_freep(&vec);
2153 ✗ return vec;
2154 }
2155
2156 ✗ SwsVector *sws_getGaussianVec(double variance, double quality)
2157 {
2158 ✗ const int length = (int)(variance * quality + 0.5) | 1;
2159 int i;
2160 ✗ double middle = (length - 1) * 0.5;
2161 SwsVector *vec;
2162
2163 ✗ if(variance < 0 || quality < 0)
2164 ✗ return NULL;
2165
2166 ✗ vec = sws_allocVec(length);
2167
2168 ✗ if (!vec)
2169 ✗ return NULL;
2170
2171 ✗ for (i = 0; i < length; i++) {
2172 ✗ double dist = i - middle;
2173 ✗ vec->coeff[i] = exp(-dist * dist / (2 * variance * variance)) /
2174 ✗ sqrt(2 * variance * M_PI);
2175 }
2176
2177 ✗ sws_normalizeVec(vec, 1.0);
2178
2179 ✗ return vec;
2180 }
2181
2182 /**
2183 * Allocate and return a vector with length coefficients, all
2184 * with the same value c.
2185 */
2186 static
2187 ✗ SwsVector *sws_getConstVec(double c, int length)
2188 {
2189 int i;
2190 ✗ SwsVector *vec = sws_allocVec(length);
2191
2192 ✗ if (!vec)
2193 ✗ return NULL;
2194
2195 ✗ for (i = 0; i < length; i++)
2196 ✗ vec->coeff[i] = c;
2197
2198 ✗ return vec;
2199 }
2200
2201 /**
2202 * Allocate and return a vector with just one coefficient, with
2203 * value 1.0.
2204 */
2205 static
2206 ✗ SwsVector *sws_getIdentityVec(void)
2207 {
2208 ✗ return sws_getConstVec(1.0, 1);
2209 }
2210
2211 ✗ static double sws_dcVec(SwsVector *a)
2212 {
2213 int i;
2214 ✗ double sum = 0;
2215
2216 ✗ for (i = 0; i < a->length; i++)
2217 ✗ sum += a->coeff[i];
2218
2219 ✗ return sum;
2220 }
2221
2222 ✗ void sws_scaleVec(SwsVector *a, double scalar)
2223 {
2224 int i;
2225
2226 ✗ for (i = 0; i < a->length; i++)
2227 ✗ a->coeff[i] *= scalar;
2228 ✗ }
2229
2230 ✗ void sws_normalizeVec(SwsVector *a, double height)
2231 {
2232 ✗ sws_scaleVec(a, height / sws_dcVec(a));
2233 ✗ }
2234
2235 ✗ static SwsVector *sws_sumVec(SwsVector *a, SwsVector *b)
2236 {
2237 ✗ int length = FFMAX(a->length, b->length);
2238 int i;
2239 ✗ SwsVector *vec = sws_getConstVec(0.0, length);
2240
2241 ✗ if (!vec)
2242 ✗ return NULL;
2243
2244 ✗ for (i = 0; i < a->length; i++)
2245 ✗ vec->coeff[i + (length - 1) / 2 - (a->length - 1) / 2] += a->coeff[i];
2246 ✗ for (i = 0; i < b->length; i++)
2247 ✗ vec->coeff[i + (length - 1) / 2 - (b->length - 1) / 2] += b->coeff[i];
2248
2249 ✗ return vec;
2250 }
2251
2252 /* shift left / or right if "shift" is negative */
2253 ✗ static SwsVector *sws_getShiftedVec(SwsVector *a, int shift)
2254 {
2255 ✗ int length = a->length + FFABS(shift) * 2;
2256 int i;
2257 ✗ SwsVector *vec = sws_getConstVec(0.0, length);
2258
2259 ✗ if (!vec)
2260 ✗ return NULL;
2261
2262 ✗ for (i = 0; i < a->length; i++) {
2263 ✗ vec->coeff[i + (length - 1) / 2 -
2264 ✗ (a->length - 1) / 2 - shift] = a->coeff[i];
2265 }
2266
2267 ✗ return vec;
2268 }
2269
2270 static
2271 ✗ void sws_shiftVec(SwsVector *a, int shift)
2272 {
2273 ✗ SwsVector *shifted = sws_getShiftedVec(a, shift);
2274 ✗ if (!shifted) {
2275 ✗ makenan_vec(a);
2276 ✗ return;
2277 }
2278 ✗ av_free(a->coeff);
2279 ✗ a->coeff = shifted->coeff;
2280 ✗ a->length = shifted->length;
2281 ✗ av_free(shifted);
2282 }
2283
2284 static
2285 ✗ void sws_addVec(SwsVector *a, SwsVector *b)
2286 {
2287 ✗ SwsVector *sum = sws_sumVec(a, b);
2288 ✗ if (!sum) {
2289 ✗ makenan_vec(a);
2290 ✗ return;
2291 }
2292 ✗ av_free(a->coeff);
2293 ✗ a->coeff = sum->coeff;
2294 ✗ a->length = sum->length;
2295 ✗ av_free(sum);
2296 }
2297
2298 /**
2299 * Print with av_log() a textual representation of the vector a
2300 * if log_level <= av_log_level.
2301 */
2302 static
2303 ✗ void sws_printVec2(SwsVector *a, AVClass *log_ctx, int log_level)
2304 {
2305 int i;
2306 ✗ double max = 0;
2307 ✗ double min = 0;
2308 double range;
2309
2310 ✗ for (i = 0; i < a->length; i++)
2311 ✗ if (a->coeff[i] > max)
2312 ✗ max = a->coeff[i];
2313
2314 ✗ for (i = 0; i < a->length; i++)
2315 ✗ if (a->coeff[i] < min)
2316 ✗ min = a->coeff[i];
2317
2318 ✗ range = max - min;
2319
2320 ✗ for (i = 0; i < a->length; i++) {
2321 ✗ int x = (int)((a->coeff[i] - min) * 60.0 / range + 0.5);
2322 ✗ av_log(log_ctx, log_level, "%1.3f ", a->coeff[i]);
2323 ✗ for (; x > 0; x--)
2324 ✗ av_log(log_ctx, log_level, " ");
2325 ✗ av_log(log_ctx, log_level, "|\n");
2326 }
2327 ✗ }
2328
2329 ✗ void sws_freeVec(SwsVector *a)
2330 {
2331 ✗ if (!a)
2332 ✗ return;
2333 ✗ av_freep(&a->coeff);
2334 ✗ a->length = 0;
2335 ✗ av_free(a);
2336 }
2337
2338 ✗ void sws_freeFilter(SwsFilter *filter)
2339 {
2340 ✗ if (!filter)
2341 ✗ return;
2342
2343 ✗ sws_freeVec(filter->lumH);
2344 ✗ sws_freeVec(filter->lumV);
2345 ✗ sws_freeVec(filter->chrH);
2346 ✗ sws_freeVec(filter->chrV);
2347 ✗ av_free(filter);
2348 }
2349
2350 ✗ SwsFilter *sws_getDefaultFilter(float lumaGBlur, float chromaGBlur,
2351 float lumaSharpen, float chromaSharpen,
2352 float chromaHShift, float chromaVShift,
2353 int verbose)
2354 {
2355 ✗ SwsFilter *filter = av_malloc(sizeof(SwsFilter));
2356 ✗ if (!filter)
2357 ✗ return NULL;
2358
2359 ✗ if (lumaGBlur != 0.0) {
2360 ✗ filter->lumH = sws_getGaussianVec(lumaGBlur, 3.0);
2361 ✗ filter->lumV = sws_getGaussianVec(lumaGBlur, 3.0);
2362 } else {
2363 ✗ filter->lumH = sws_getIdentityVec();
2364 ✗ filter->lumV = sws_getIdentityVec();
2365 }
2366
2367 ✗ if (chromaGBlur != 0.0) {
2368 ✗ filter->chrH = sws_getGaussianVec(chromaGBlur, 3.0);
2369 ✗ filter->chrV = sws_getGaussianVec(chromaGBlur, 3.0);
2370 } else {
2371 ✗ filter->chrH = sws_getIdentityVec();
2372 ✗ filter->chrV = sws_getIdentityVec();
2373 }
2374
2375 ✗ if (!filter->lumH || !filter->lumV || !filter->chrH || !filter->chrV)
2376 ✗ goto fail;
2377
2378 ✗ if (chromaSharpen != 0.0) {
2379 ✗ SwsVector *id = sws_getIdentityVec();
2380 ✗ if (!id)
2381 ✗ goto fail;
2382 ✗ sws_scaleVec(filter->chrH, -chromaSharpen);
2383 ✗ sws_scaleVec(filter->chrV, -chromaSharpen);
2384 ✗ sws_addVec(filter->chrH, id);
2385 ✗ sws_addVec(filter->chrV, id);
2386 ✗ sws_freeVec(id);
2387 }
2388
2389 ✗ if (lumaSharpen != 0.0) {
2390 ✗ SwsVector *id = sws_getIdentityVec();
2391 ✗ if (!id)
2392 ✗ goto fail;
2393 ✗ sws_scaleVec(filter->lumH, -lumaSharpen);
2394 ✗ sws_scaleVec(filter->lumV, -lumaSharpen);
2395 ✗ sws_addVec(filter->lumH, id);
2396 ✗ sws_addVec(filter->lumV, id);
2397 ✗ sws_freeVec(id);
2398 }
2399
2400 ✗ if (chromaHShift != 0.0)
2401 ✗ sws_shiftVec(filter->chrH, (int)(chromaHShift + 0.5));
2402
2403 ✗ if (chromaVShift != 0.0)
2404 ✗ sws_shiftVec(filter->chrV, (int)(chromaVShift + 0.5));
2405
2406 ✗ sws_normalizeVec(filter->chrH, 1.0);
2407 ✗ sws_normalizeVec(filter->chrV, 1.0);
2408 ✗ sws_normalizeVec(filter->lumH, 1.0);
2409 ✗ sws_normalizeVec(filter->lumV, 1.0);
2410
2411 ✗ if (isnan_vec(filter->chrH) ||
2412 ✗ isnan_vec(filter->chrV) ||
2413 ✗ isnan_vec(filter->lumH) ||
2414 ✗ isnan_vec(filter->lumV))
2415 ✗ goto fail;
2416
2417 ✗ if (verbose)
2418 ✗ sws_printVec2(filter->chrH, NULL, AV_LOG_DEBUG);
2419 ✗ if (verbose)
2420 ✗ sws_printVec2(filter->lumH, NULL, AV_LOG_DEBUG);
2421
2422 ✗ return filter;
2423
2424 ✗ fail:
2425 ✗ sws_freeVec(filter->lumH);
2426 ✗ sws_freeVec(filter->lumV);
2427 ✗ sws_freeVec(filter->chrH);
2428 ✗ sws_freeVec(filter->chrV);
2429 ✗ av_freep(&filter);
2430 ✗ return NULL;
2431 }
2432
2433 73656 void sws_freeContext(SwsContext *c)
2434 {
2435 int i;
2436
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 73656 if (!c)
2437 59532 return;
2438
2439
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 17318 for (i = 0; i < c->nb_slice_ctx; i++)
2440 3194 sws_freeContext(c->slice_ctx[i]);
2441 14124 av_freep(&c->slice_ctx);
2442 14124 av_freep(&c->slice_err);
2443
2444 14124 avpriv_slicethread_free(&c->slicethread);
2445
2446
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 70620 for (i = 0; i < 4; i++)
2447 56496 av_freep(&c->dither_error[i]);
2448
2449 14124 av_frame_free(&c->frame_src);
2450 14124 av_frame_free(&c->frame_dst);
2451
2452 14124 av_freep(&c->src_ranges.ranges);
2453
2454 14124 av_freep(&c->vLumFilter);
2455 14124 av_freep(&c->vChrFilter);
2456 14124 av_freep(&c->hLumFilter);
2457 14124 av_freep(&c->hChrFilter);
2458 #if HAVE_ALTIVEC
2459 av_freep(&c->vYCoeffsBank);
2460 av_freep(&c->vCCoeffsBank);
2461 #endif
2462
2463 14124 av_freep(&c->vLumFilterPos);
2464 14124 av_freep(&c->vChrFilterPos);
2465 14124 av_freep(&c->hLumFilterPos);
2466 14124 av_freep(&c->hChrFilterPos);
2467
2468 #if HAVE_MMX_INLINE
2469 #if USE_MMAP
2470
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 14124 if (c->lumMmxextFilterCode)
2471 ✗ munmap(c->lumMmxextFilterCode, c->lumMmxextFilterCodeSize);
2472
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 14124 if (c->chrMmxextFilterCode)
2473 ✗ munmap(c->chrMmxextFilterCode, c->chrMmxextFilterCodeSize);
2474 #elif HAVE_VIRTUALALLOC
2475 if (c->lumMmxextFilterCode)
2476 VirtualFree(c->lumMmxextFilterCode, 0, MEM_RELEASE);
2477 if (c->chrMmxextFilterCode)
2478 VirtualFree(c->chrMmxextFilterCode, 0, MEM_RELEASE);
2479 #else
2480 av_free(c->lumMmxextFilterCode);
2481 av_free(c->chrMmxextFilterCode);
2482 #endif
2483 14124 c->lumMmxextFilterCode = NULL;
2484 14124 c->chrMmxextFilterCode = NULL;
2485 #endif /* HAVE_MMX_INLINE */
2486
2487 14124 av_freep(&c->yuvTable);
2488 14124 av_freep(&c->formatConvBuffer);
2489
2490 14124 sws_freeContext(c->cascaded_context[0]);
2491 14124 sws_freeContext(c->cascaded_context[1]);
2492 14124 sws_freeContext(c->cascaded_context[2]);
2493 14124 memset(c->cascaded_context, 0, sizeof(c->cascaded_context));
2494 14124 av_freep(&c->cascaded_tmp[0]);
2495 14124 av_freep(&c->cascaded1_tmp[0]);
2496
2497 14124 av_freep(&c->gamma);
2498 14124 av_freep(&c->inv_gamma);
2499
2500 14124 av_freep(&c->rgb0_scratch);
2501 14124 av_freep(&c->xyz_scratch);
2502
2503 14124 ff_free_filters(c);
2504
2505 14124 av_free(c);
2506 }
2507
2508 ✗ struct SwsContext *sws_getCachedContext(struct SwsContext *context, int srcW,
2509 int srcH, enum AVPixelFormat srcFormat,
2510 int dstW, int dstH,
2511 enum AVPixelFormat dstFormat, int flags,
2512 SwsFilter *srcFilter,
2513 SwsFilter *dstFilter,
2514 const double *param)
2515 {
2516 static const double default_param[2] = { SWS_PARAM_DEFAULT,
2517 SWS_PARAM_DEFAULT };
2518 ✗ int64_t src_h_chr_pos = -513, dst_h_chr_pos = -513,
2519 ✗ src_v_chr_pos = -513, dst_v_chr_pos = -513;
2520
2521 ✗ if (!param)
2522 ✗ param = default_param;
2523
2524 ✗ if (context &&
2525 ✗ (context->srcW != srcW ||
2526 ✗ context->srcH != srcH ||
2527 ✗ context->srcFormat != srcFormat ||
2528 ✗ context->dstW != dstW ||
2529 ✗ context->dstH != dstH ||
2530 ✗ context->dstFormat != dstFormat ||
2531 ✗ context->flags != flags ||
2532 ✗ context->param[0] != param[0] ||
2533 ✗ context->param[1] != param[1])) {
2534
2535 ✗ av_opt_get_int(context, "src_h_chr_pos", 0, &src_h_chr_pos);
2536 ✗ av_opt_get_int(context, "src_v_chr_pos", 0, &src_v_chr_pos);
2537 ✗ av_opt_get_int(context, "dst_h_chr_pos", 0, &dst_h_chr_pos);
2538 ✗ av_opt_get_int(context, "dst_v_chr_pos", 0, &dst_v_chr_pos);
2539 ✗ sws_freeContext(context);
2540 ✗ context = NULL;
2541 }
2542
2543 ✗ if (!context) {
2544 ✗ if (!(context = sws_alloc_context()))
2545 ✗ return NULL;
2546 ✗ context->srcW = srcW;
2547 ✗ context->srcH = srcH;
2548 ✗ context->srcFormat = srcFormat;
2549 ✗ context->dstW = dstW;
2550 ✗ context->dstH = dstH;
2551 ✗ context->dstFormat = dstFormat;
2552 ✗ context->flags = flags;
2553 ✗ context->param[0] = param[0];
2554 ✗ context->param[1] = param[1];
2555
2556 ✗ av_opt_set_int(context, "src_h_chr_pos", src_h_chr_pos, 0);
2557 ✗ av_opt_set_int(context, "src_v_chr_pos", src_v_chr_pos, 0);
2558 ✗ av_opt_set_int(context, "dst_h_chr_pos", dst_h_chr_pos, 0);
2559 ✗ av_opt_set_int(context, "dst_v_chr_pos", dst_v_chr_pos, 0);
2560
2561 ✗ if (sws_init_context(context, srcFilter, dstFilter) < 0) {
2562 ✗ sws_freeContext(context);
2563 ✗ return NULL;
2564 }
2565 }
2566 ✗ return context;
2567 }
2568
2569 42592 int ff_range_add(RangeList *rl, unsigned int start, unsigned int len)
2570 {
2571 Range *tmp;
2572 unsigned int idx;
2573
2574 /* find the first existing range after the new one */
2575
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 42592 for (idx = 0; idx < rl->nb_ranges; idx++)
2576 ✗ if (rl->ranges[idx].start > start)
2577 ✗ break;
2578
2579 /* check for overlap */
2580
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 42592 if (idx > 0) {
2581 ✗ Range *prev = &rl->ranges[idx - 1];
2582 ✗ if (prev->start + prev->len > start)
2583 ✗ return AVERROR(EINVAL);
2584 }
2585
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 42592 if (idx < rl->nb_ranges) {
2586 ✗ Range *next = &rl->ranges[idx];
2587 ✗ if (start + len > next->start)
2588 ✗ return AVERROR(EINVAL);
2589 }
2590
2591 42592 tmp = av_fast_realloc(rl->ranges, &rl->ranges_allocated,
2592 42592 (rl->nb_ranges + 1) * sizeof(*rl->ranges));
2593
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 42592 if (!tmp)
2594 ✗ return AVERROR(ENOMEM);
2595 42592 rl->ranges = tmp;
2596
2597 42592 memmove(rl->ranges + idx + 1, rl->ranges + idx,
2598 42592 sizeof(*rl->ranges) * (rl->nb_ranges - idx));
2599 42592 rl->ranges[idx].start = start;
2600 42592 rl->ranges[idx].len = len;
2601 42592 rl->nb_ranges++;
2602
2603 /* merge ranges */
2604
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 42592 if (idx > 0) {
2605 ✗ Range *prev = &rl->ranges[idx - 1];
2606 ✗ Range *cur = &rl->ranges[idx];
2607 ✗ if (prev->start + prev->len == cur->start) {
2608 ✗ prev->len += cur->len;
2609 ✗ memmove(rl->ranges + idx - 1, rl->ranges + idx,
2610 ✗ sizeof(*rl->ranges) * (rl->nb_ranges - idx));
2611 ✗ rl->nb_ranges--;
2612 ✗ idx--;
2613 }
2614 }
2615
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 42592 if (idx < rl->nb_ranges - 1) {
2616 ✗ Range *cur = &rl->ranges[idx];
2617 ✗ Range *next = &rl->ranges[idx + 1];
2618 ✗ if (cur->start + cur->len == next->start) {
2619 ✗ cur->len += next->len;
2620 ✗ memmove(rl->ranges + idx, rl->ranges + idx + 1,
2621 ✗ sizeof(*rl->ranges) * (rl->nb_ranges - idx - 1));
2622 ✗ rl->nb_ranges--;
2623 }
2624 }
2625
2626 42592 return 0;
2627 }
2628