FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libswscale/utils.c
Date: 2026-09-28 04:46:15
Exec Total Coverage
Lines: 784 1392 56.3%
Functions: 24 46 52.2%
Branches: 674 1248 54.0%
Line Branch Exec Source
1 /*
2 * Copyright (C) 2024 Niklas Haas
3 * Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 #include "config.h"
23
24 #define _DEFAULT_SOURCE
25 #include <inttypes.h>
26 #include <math.h>
27 #include <stdio.h>
28 #include <string.h>
29
30 #include "libavutil/attributes.h"
31 #include "libavutil/avassert.h"
32 #include "libavutil/cpu.h"
33 #include "libavutil/csp.h"
34 #include "libavutil/emms.h"
35 #include "libavutil/imgutils.h"
36 #include "libavutil/intreadwrite.h"
37 #include "libavutil/mathematics.h"
38 #include "libavutil/mem.h"
39 #include "libavutil/opt.h"
40 #include "libavutil/pixdesc.h"
41 #include "libavutil/refstruct.h"
42 #include "libavutil/slicethread.h"
43 #include "libavutil/thread.h"
44 #include "libavutil/aarch64/cpu.h"
45 #include "libavutil/ppc/cpu.h"
46 #include "libavutil/x86/cpu.h"
47 #include "libavutil/loongarch/cpu.h"
48
49 #include "rgb2rgb.h"
50 #include "swscale.h"
51 #include "swscale_internal.h"
52 #include "graph.h"
53 #include "jit.h"
54
55 #if CONFIG_VULKAN
56 #include "vulkan/ops.h"
57 #endif
58
59 462309 SwsBackend ff_sws_enabled_backends(const SwsContext *ctx)
60 {
61
2/2
✓ Branch 0 taken 350097 times.
✓ Branch 1 taken 112212 times.
 462309 if (ctx->backends)
62 350097 return ctx->backends;
63
64 112212 SwsBackend fallback = SWS_BACKEND_STABLE;
65
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 112212 times.
 112212 if (ctx->flags & SWS_UNSTABLE)
66 ✗ fallback |= SWS_BACKEND_UNSTABLE;
67
68 112212 return fallback;
69 }
70
71 /**
72 * Allocate and return an SwsContext without performing initialization.
73 */
74 5742 static SwsContext *alloc_set_opts(int srcW, int srcH, enum AVPixelFormat srcFormat,
75 int dstW, int dstH, enum AVPixelFormat dstFormat,
76 int flags, const double *param)
77 {
78 5742 SwsContext *sws = sws_alloc_context();
79
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 5742 times.
 5742 if (!sws)
80 ✗ return NULL;
81
82 5742 sws->flags = flags;
83 5742 sws->src_w = srcW;
84 5742 sws->src_h = srcH;
85 5742 sws->dst_w = dstW;
86 5742 sws->dst_h = dstH;
87 5742 sws->src_format = srcFormat;
88 5742 sws->dst_format = dstFormat;
89
90
4/4
✓ Branch 0 taken 6 times.
✓ Branch 1 taken 5740 times.
✓ Branch 2 taken 4 times.
✓ Branch 3 taken 2 times.
 5746 for (int i = 0; param && i < SWS_NUM_SCALER_PARAMS; i++)
91 4 sws->scaler_params[i] = param[i];
92
93 5742 return sws;
94 }
95
96 118890 int ff_shuffle_filter_coefficients(SwsInternal *c, int *filterPos,
97 int filterSize, int16_t *filter,
98 int dstW)
99 {
100 #if ARCH_X86_64
101 int i, j, k;
102 118890 int cpu_flags = av_get_cpu_flags();
103
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 118890 times.
 118890 if (!filter)
104 ✗ return 0;
105
4/6
✓ Branch 0 taken 60710 times.
✓ Branch 1 taken 58180 times.
✓ Branch 2 taken 60710 times.
✗ Branch 3 not taken.
✗ Branch 4 not taken.
✓ Branch 5 taken 60710 times.
 118890 if (EXTERNAL_AVX2_FAST(cpu_flags) && !(cpu_flags & AV_CPU_FLAG_SLOW_GATHER)) {
106 ✗ if ((c->srcBpc == 8) && (c->dstBpc <= 14)) {
107 ✗ int16_t *filterCopy = NULL;
108 ✗ if (filterSize > 4) {
109 ✗ filterCopy = av_malloc_array(dstW, filterSize * sizeof(*filterCopy));
110 ✗ if (!filterCopy)
111 ✗ return AVERROR(ENOMEM);
112 ✗ memcpy(filterCopy, filter, dstW * filterSize * sizeof(int16_t));
113 }
114 // Do not swap filterPos for pixels which won't be processed by
115 // the main loop.
116 ✗ for (i = 0; i + 16 <= dstW; i += 16) {
117 ✗ FFSWAP(int, filterPos[i + 2], filterPos[i + 4]);
118 ✗ FFSWAP(int, filterPos[i + 3], filterPos[i + 5]);
119 ✗ FFSWAP(int, filterPos[i + 10], filterPos[i + 12]);
120 ✗ FFSWAP(int, filterPos[i + 11], filterPos[i + 13]);
121 }
122 ✗ if (filterSize > 4) {
123 // 16 pixels are processed at a time.
124 ✗ for (i = 0; i + 16 <= dstW; i += 16) {
125 // 4 filter coeffs are processed at a time.
126 ✗ for (k = 0; k + 4 <= filterSize; k += 4) {
127 ✗ for (j = 0; j < 16; ++j) {
128 ✗ int from = (i + j) * filterSize + k;
129 ✗ int to = i * filterSize + j * 4 + k * 16;
130 ✗ memcpy(&filter[to], &filterCopy[from], 4 * sizeof(int16_t));
131 }
132 }
133 }
134 // 4 pixels are processed at a time in the tail.
135 ✗ for (; i < dstW; i += 4) {
136 // 4 filter coeffs are processed at a time.
137 ✗ int rem = dstW - i >= 4 ? 4 : dstW - i;
138 ✗ for (k = 0; k + 4 <= filterSize; k += 4) {
139 ✗ for (j = 0; j < rem; ++j) {
140 ✗ int from = (i + j) * filterSize + k;
141 ✗ int to = i * filterSize + j * 4 + k * 4;
142 ✗ memcpy(&filter[to], &filterCopy[from], 4 * sizeof(int16_t));
143 }
144 }
145 }
146 }
147 ✗ av_free(filterCopy);
148 }
149 }
150 #endif
151 118890 return 0;
152 }
153
154 ✗ static double getSplineCoeff(double a, double b, double c, double d,
155 double dist)
156 {
157 ✗ if (dist <= 1.0)
158 ✗ return ((d * dist + c) * dist + b) * dist + a;
159 else
160 ✗ return getSplineCoeff(0.0,
161 ✗ b + 2.0 * c + 3.0 * d,
162 ✗ c + 3.0 * d,
163 ✗ -b - 3.0 * c - 6.0 * d,
164 dist - 1.0);
165 }
166
167 471528 static av_cold int get_local_pos(SwsInternal *s, int chr_subsample, int pos, int dir)
168 {
169
3/4
✓ Branch 0 taken 471528 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 210643 times.
✓ Branch 3 taken 260885 times.
 471528 if (pos == -1 || pos <= -513) {
170 210643 pos = (128 << chr_subsample) - 128;
171 }
172 471528 pos += 128; // relative to ideal left edge
173 471528 return pos >> chr_subsample;
174 }
175
176 typedef struct {
177 int flag; ///< flag associated to the algorithm
178 const char *description; ///< human-readable description
179 int size_factor; ///< size factor used when initing the filters
180 } ScaleAlgorithm;
181
182 static const ScaleAlgorithm scale_algorithms[] = {
183 { SWS_AREA, "area averaging", 1 /* downscale only, for upscale it is bilinear */ },
184 { SWS_BICUBIC, "bicubic", 4 },
185 { SWS_BICUBLIN, "luma bicubic / chroma bilinear", -1 },
186 { SWS_BILINEAR, "bilinear", 2 },
187 { SWS_FAST_BILINEAR, "fast bilinear", -1 },
188 { SWS_GAUSS, "Gaussian", 8 /* infinite ;) */ },
189 { SWS_LANCZOS, "Lanczos", -1 /* custom */ },
190 { SWS_POINT, "nearest neighbor / point", -1 },
191 { SWS_SINC, "sinc", 20 /* infinite ;) */ },
192 { SWS_SPLINE, "bicubic spline", 20 /* infinite :)*/ },
193 { SWS_X, "experimental", 8 },
194 };
195
196 235764 static av_cold int initFilter(int16_t **outFilter, int32_t **filterPos,
197 int *outFilterSize, int xInc, int srcW,
198 int dstW, int filterAlign, int one,
199 int scaler, int flags, int cpu_flags,
200 SwsVector *srcFilter, SwsVector *dstFilter,
201 double param[SWS_NUM_SCALER_PARAMS], int srcPos, int dstPos)
202 {
203 int i;
204 int filterSize;
205 int filter2Size;
206 int minFilterSize;
207 235764 int64_t *filter = NULL;
208 235764 int64_t *filter2 = NULL;
209 235764 const int64_t fone = 1LL << (54 - FFMIN(av_log2(srcW/dstW), 8));
210 235764 int ret = -1;
211
212 235764 emms_c(); // FIXME should not be required but IS (even for non-MMX versions)
213
214 // NOTE: the +3 is for the MMX(+1) / SSE(+3) scaler which reads over the end
215
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 235764 times.
 235764 if (!FF_ALLOC_TYPED_ARRAY(*filterPos, dstW + 3))
216 ✗ goto nomem;
217
218
7/8
✓ Branch 0 taken 193194 times.
✓ Branch 1 taken 42570 times.
✓ Branch 2 taken 156726 times.
✓ Branch 3 taken 36468 times.
✓ Branch 4 taken 2 times.
✓ Branch 5 taken 42568 times.
✓ Branch 6 taken 156728 times.
✗ Branch 7 not taken.
 392492 if (FFABS(xInc - 0x10000) < 10 && srcPos == dstPos) { // unscaled
219 int i;
220 156728 filterSize = 1;
221
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 156728 times.
 156728 if (!FF_ALLOCZ_TYPED_ARRAY(filter, dstW * filterSize))
222 ✗ goto nomem;
223
224
2/2
✓ Branch 0 taken 40205049 times.
✓ Branch 1 taken 156728 times.
 40361777 for (i = 0; i < dstW; i++) {
225 40205049 filter[i * filterSize] = fone;
226 40205049 (*filterPos)[i] = i;
227 }
228
2/2
✓ Branch 0 taken 301 times.
✓ Branch 1 taken 78735 times.
 79036 } else if (scaler == SWS_POINT) { // lame looking point sampling mode
229 int i;
230 int64_t xDstInSrc;
231 301 filterSize = 1;
232
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 301 times.
 301 if (!FF_ALLOC_TYPED_ARRAY(filter, dstW * filterSize))
233 ✗ goto nomem;
234
235 301 xDstInSrc = ((dstPos*(int64_t)xInc)>>8) - ((srcPos*0x8000LL)>>7);
236
2/2
✓ Branch 0 taken 87091 times.
✓ Branch 1 taken 301 times.
 87392 for (i = 0; i < dstW; i++) {
237 87091 int xx = (xDstInSrc - ((filterSize - 1) << 15) + (1 << 15)) >> 16;
238
239 87091 (*filterPos)[i] = xx;
240 87091 filter[i] = fone;
241 87091 xDstInSrc += xInc;
242 }
243
6/6
✓ Branch 0 taken 42404 times.
✓ Branch 1 taken 36331 times.
✓ Branch 2 taken 42316 times.
✓ Branch 3 taken 88 times.
✓ Branch 4 taken 2 times.
✓ Branch 5 taken 78645 times.
 78735 } else if ((xInc <= (1 << 16) && (scaler == SWS_AREA)) ||
244 90 (scaler == SWS_FAST_BILINEAR)) { // bilinear upscale
245 int i;
246 int64_t xDstInSrc;
247 90 filterSize = 2;
248
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 90 times.
 90 if (!FF_ALLOC_TYPED_ARRAY(filter, dstW * filterSize))
249 ✗ goto nomem;
250
251 90 xDstInSrc = ((dstPos*(int64_t)xInc)>>8) - ((srcPos*0x8000LL)>>7);
252
2/2
✓ Branch 0 taken 237300 times.
✓ Branch 1 taken 90 times.
 237390 for (i = 0; i < dstW; i++) {
253 237300 int xx = (xDstInSrc - ((filterSize - 1) << 15) + (1 << 15)) >> 16;
254 int j;
255
256 237300 (*filterPos)[i] = xx;
257 // bilinear upscale / linear interpolate / area averaging
258
2/2
✓ Branch 0 taken 474600 times.
✓ Branch 1 taken 237300 times.
 711900 for (j = 0; j < filterSize; j++) {
259 474600 int64_t coeff = fone - FFABS((int64_t)xx * (1 << 16) - xDstInSrc) * (fone >> 16);
260
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 474600 times.
 474600 if (coeff < 0)
261 ✗ coeff = 0;
262 474600 filter[i * filterSize + j] = coeff;
263 474600 xx++;
264 }
265 237300 xDstInSrc += xInc;
266 }
267 } else {
268 int64_t xDstInSrc;
269 78645 int sizeFactor = -1;
270
271
2/2
✓ Branch 0 taken 266076 times.
✓ Branch 1 taken 6 times.
 266082 for (i = 0; i < FF_ARRAY_ELEMS(scale_algorithms); i++) {
272
4/4
✓ Branch 0 taken 78645 times.
✓ Branch 1 taken 187431 times.
✓ Branch 2 taken 78639 times.
✓ Branch 3 taken 6 times.
 266076 if (scaler == scale_algorithms[i].flag && scale_algorithms[i].size_factor > 0) {
273 78639 sizeFactor = scale_algorithms[i].size_factor;
274 78639 break;
275 }
276 }
277
2/2
✓ Branch 0 taken 6 times.
✓ Branch 1 taken 78639 times.
 78645 if (scaler == SWS_LANCZOS)
278
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 6 times.
 6 sizeFactor = param[0] != SWS_PARAM_DEFAULT ? ceil(2 * param[0]) : 6;
279
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 78645 times.
 78645 av_assert0(sizeFactor > 0);
280
281
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 78645 times.
 78645 if (sizeFactor > 50) {
282 ✗ ret = AVERROR(EINVAL);
283 ✗ goto fail;
284 }
285
286
2/2
✓ Branch 0 taken 42314 times.
✓ Branch 1 taken 36331 times.
 78645 if (xInc <= 1 << 16)
287 42314 filterSize = 1 + sizeFactor; // upscale
288 else
289 36331 filterSize = 1 + (sizeFactor * srcW + dstW - 1) / dstW;
290
291
2/2
✓ Branch 0 taken 1716 times.
✓ Branch 1 taken 76929 times.
 78645 filterSize = FFMIN(filterSize, srcW - 2);
292 78645 filterSize = FFMAX(filterSize, 1);
293
294 78645 filter = av_malloc_array(dstW, filterSize * sizeof(*filter));
295
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 78645 times.
 78645 if (!filter)
296 ✗ goto nomem;
297 78645 xDstInSrc = ((dstPos*(int64_t)xInc)>>7) - ((srcPos*0x10000LL)>>7);
298
2/2
✓ Branch 0 taken 13507168 times.
✓ Branch 1 taken 78645 times.
 13585813 for (i = 0; i < dstW; i++) {
299 13507168 int xx = (xDstInSrc - (filterSize - 2) * (1LL<<16)) / (1 << 17);
300 int j;
301 13507168 (*filterPos)[i] = xx;
302
2/2
✓ Branch 0 taken 66117776 times.
✓ Branch 1 taken 13507168 times.
 79624944 for (j = 0; j < filterSize; j++) {
303 66117776 int64_t d = (FFABS(((int64_t)xx * (1 << 17)) - xDstInSrc)) << 13;
304 double floatd;
305 int64_t coeff;
306
307
2/2
✓ Branch 0 taken 23938633 times.
✓ Branch 1 taken 42179143 times.
 66117776 if (xInc > 1 << 16)
308 23938633 d = d * dstW / srcW;
309 66117776 floatd = d * (1.0 / (1 << 30));
310
311
2/2
✓ Branch 0 taken 47252797 times.
✓ Branch 1 taken 18864979 times.
 66117776 if (scaler == SWS_BICUBIC) {
312
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 47252797 times.
 47252797 int64_t B = (param[0] != SWS_PARAM_DEFAULT ? param[0] : 0) * (1 << 24);
313
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 47252797 times.
 47252797 int64_t C = (param[1] != SWS_PARAM_DEFAULT ? param[1] : 0.6) * (1 << 24);
314
315
2/2
✓ Branch 0 taken 8397183 times.
✓ Branch 1 taken 38855614 times.
 47252797 if (d >= 1LL << 31) {
316 8397183 coeff = 0.0;
317 } else {
318 38855614 int64_t dd = (d * d) >> 30;
319 38855614 int64_t ddd = (dd * d) >> 30;
320
321
2/2
✓ Branch 0 taken 19444920 times.
✓ Branch 1 taken 19410694 times.
 38855614 if (d < 1LL << 30)
322 19444920 coeff = (12 * (1 << 24) - 9 * B - 6 * C) * ddd +
323 19444920 (-18 * (1 << 24) + 12 * B + 6 * C) * dd +
324 19444920 (6 * (1 << 24) - 2 * B) * (1 << 30);
325 else
326 19410694 coeff = (-B - 6 * C) * ddd +
327 19410694 (6 * B + 30 * C) * dd +
328 19410694 (-12 * B - 48 * C) * d +
329 19410694 (8 * B + 24 * C) * (1 << 30);
330 }
331 47252797 coeff /= (1LL<<54)/fone;
332
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 18864979 times.
 18864979 } else if (scaler == SWS_X) {
333 ✗ double A = param[0] != SWS_PARAM_DEFAULT ? param[0] : 1.0;
334 double c;
335
336 ✗ if (floatd < 1.0)
337 ✗ c = cos(floatd * M_PI);
338 else
339 ✗ c = -1.0;
340 ✗ if (c < 0.0)
341 ✗ c = -pow(-c, A);
342 else
343 ✗ c = pow(c, A);
344 ✗ coeff = (c * 0.5 + 0.5) * fone;
345
2/2
✓ Branch 0 taken 288927 times.
✓ Branch 1 taken 18576052 times.
 18864979 } else if (scaler == SWS_AREA) {
346 288927 int64_t d2 = d - (1 << 29);
347
2/2
✓ Branch 0 taken 218924 times.
✓ Branch 1 taken 70003 times.
 288927 if (d2 * xInc < -(1LL << (29 + 16)))
348 218924 coeff = 1.0 * (1LL << (30 + 16));
349
2/2
✓ Branch 0 taken 60908 times.
✓ Branch 1 taken 9095 times.
 70003 else if (d2 * xInc < (1LL << (29 + 16)))
350 60908 coeff = -d2 * xInc + (1LL << (29 + 16));
351 else
352 9095 coeff = 0.0;
353 288927 coeff *= fone >> (30 + 16);
354
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 18576052 times.
 18576052 } else if (scaler == SWS_GAUSS) {
355 ✗ double p = param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0;
356 ✗ coeff = exp2(-p * floatd * floatd) * fone;
357
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 18576052 times.
 18576052 } else if (scaler == SWS_SINC) {
358 ✗ coeff = (d ? sin(floatd * M_PI) / (floatd * M_PI) : 1.0) * fone;
359
2/2
✓ Branch 0 taken 832 times.
✓ Branch 1 taken 18575220 times.
 18576052 } else if (scaler == SWS_LANCZOS) {
360
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 832 times.
 832 double p = param[0] != SWS_PARAM_DEFAULT ? param[0] : 3.0;
361 1664 coeff = (d ? sin(floatd * M_PI) * sin(floatd * M_PI / p) /
362
1/2
✓ Branch 0 taken 832 times.
✗ Branch 1 not taken.
 832 (floatd * floatd * M_PI * M_PI / p) : 1.0) * fone;
363
2/2
✓ Branch 0 taken 90 times.
✓ Branch 1 taken 742 times.
 832 if (floatd > p)
364 90 coeff = 0;
365
1/2
✓ Branch 0 taken 18575220 times.
✗ Branch 1 not taken.
 18575220 } else if (scaler == SWS_BILINEAR) {
366 18575220 coeff = (1 << 30) - d;
367
2/2
✓ Branch 0 taken 6159680 times.
✓ Branch 1 taken 12415540 times.
 18575220 if (coeff < 0)
368 6159680 coeff = 0;
369 18575220 coeff *= fone >> 30;
370 ✗ } else if (scaler == SWS_SPLINE) {
371 ✗ double p = -2.196152422706632;
372 ✗ coeff = getSplineCoeff(1.0, 0.0, p, -p - 1.0, floatd) * fone;
373 } else {
374 ✗ av_assert0(0);
375 }
376
377 66117776 filter[i * filterSize + j] = coeff;
378 66117776 xx++;
379 }
380 13507168 xDstInSrc += 2LL * xInc;
381 }
382 }
383
384 /* apply src & dst Filter to filter -> filter2
385 * av_free(filter);
386 */
387
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 235764 times.
 235764 av_assert0(filterSize > 0);
388 235764 filter2Size = filterSize;
389
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 235764 times.
 235764 if (srcFilter)
390 ✗ filter2Size += srcFilter->length - 1;
391
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 235764 times.
 235764 if (dstFilter)
392 ✗ filter2Size += dstFilter->length - 1;
393
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 235764 times.
 235764 av_assert0(filter2Size > 0);
394 235764 filter2 = av_calloc(dstW, filter2Size * sizeof(*filter2));
395
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 235764 times.
 235764 if (!filter2)
396 ✗ goto nomem;
397
2/2
✓ Branch 0 taken 54036608 times.
✓ Branch 1 taken 235764 times.
 54272372 for (i = 0; i < dstW; i++) {
398 int j, k;
399
400
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 54036608 times.
 54036608 if (srcFilter) {
401 ✗ for (k = 0; k < srcFilter->length; k++) {
402 ✗ for (j = 0; j < filterSize; j++)
403 ✗ filter2[i * filter2Size + k + j] +=
404 ✗ srcFilter->coeff[k] * filter[i * filterSize + j];
405 }
406 } else {
407
2/2
✓ Branch 0 taken 106884516 times.
✓ Branch 1 taken 54036608 times.
 160921124 for (j = 0; j < filterSize; j++)
408 106884516 filter2[i * filter2Size + j] = filter[i * filterSize + j];
409 }
410 // FIXME dstFilter
411
412 54036608 (*filterPos)[i] += (filterSize - 1) / 2 - (filter2Size - 1) / 2;
413 }
414 235764 av_freep(&filter);
415
416 /* try to reduce the filter-size (step1 find size and shift left) */
417 // Assume it is near normalized (*0.5 or *2.0 is OK but * 0.001 is not).
418 235764 minFilterSize = 0;
419
2/2
✓ Branch 0 taken 54036608 times.
✓ Branch 1 taken 235764 times.
 54272372 for (i = dstW - 1; i >= 0; i--) {
420 54036608 int min = filter2Size;
421 int j;
422 54036608 int64_t cutOff = 0.0;
423
424 /* get rid of near zero elements on the left by shifting left */
425
1/2
✓ Branch 0 taken 60249465 times.
✗ Branch 1 not taken.
 60249465 for (j = 0; j < filter2Size; j++) {
426 int k;
427 60249465 cutOff += FFABS(filter2[i * filter2Size]);
428
429
2/2
✓ Branch 0 taken 54033787 times.
✓ Branch 1 taken 6215678 times.
 60249465 if (cutOff > SWS_MAX_REDUCE_CUTOFF * fone)
430 54033787 break;
431
432 /* preserve monotonicity because the core can't handle the
433 * filter otherwise */
434
4/4
✓ Branch 0 taken 6146607 times.
✓ Branch 1 taken 69071 times.
✓ Branch 2 taken 2821 times.
✓ Branch 3 taken 6143786 times.
 6215678 if (i < dstW - 1 && (*filterPos)[i] >= (*filterPos)[i + 1])
435 2821 break;
436
437 // move filter coefficients left
438
2/2
✓ Branch 0 taken 22273507 times.
✓ Branch 1 taken 6212857 times.
 28486364 for (k = 1; k < filter2Size; k++)
439 22273507 filter2[i * filter2Size + k - 1] = filter2[i * filter2Size + k];
440 6212857 filter2[i * filter2Size + k - 1] = 0;
441 6212857 (*filterPos)[i]++;
442 }
443
444 54036608 cutOff = 0;
445 /* count near zeros on the right */
446
2/2
✓ Branch 0 taken 28341770 times.
✓ Branch 1 taken 40327078 times.
 68668848 for (j = filter2Size - 1; j > 0; j--) {
447 28341770 cutOff += FFABS(filter2[i * filter2Size + j]);
448
449
2/2
✓ Branch 0 taken 13709530 times.
✓ Branch 1 taken 14632240 times.
 28341770 if (cutOff > SWS_MAX_REDUCE_CUTOFF * fone)
450 13709530 break;
451 14632240 min--;
452 }
453
454
2/2
✓ Branch 0 taken 236472 times.
✓ Branch 1 taken 53800136 times.
 54036608 if (min > minFilterSize)
455 236472 minFilterSize = min;
456 }
457
458 if (PPC_ALTIVEC(cpu_flags)) {
459 // we can handle the special case 4, so we don't want to go the full 8
460 if (minFilterSize < 5)
461 filterAlign = 4;
462
463 /* We really don't want to waste our time doing useless computation, so
464 * fall back on the scalar C code for very small filters.
465 * Vectorizing is worth it only if you have a decent-sized vector. */
466 if (minFilterSize < 3)
467 filterAlign = 1;
468 }
469
470
2/2
✓ Branch 0 taken 131692 times.
✓ Branch 1 taken 104072 times.
 235764 if (HAVE_MMX && cpu_flags & AV_CPU_FLAG_MMX || have_neon(cpu_flags)) {
471 // special case for unscaled vertical filtering
472
4/4
✓ Branch 0 taken 76236 times.
✓ Branch 1 taken 55456 times.
✓ Branch 2 taken 37720 times.
✓ Branch 3 taken 38516 times.
 131692 if (minFilterSize == 1 && filterAlign == 2)
473 37720 filterAlign = 1;
474 }
475
476 if (have_lasx(cpu_flags) || have_lsx(cpu_flags)) {
477 int reNum = minFilterSize & (0x07);
478
479 if (minFilterSize < 5)
480 filterAlign = 4;
481 if (reNum < 3)
482 filterAlign = 1;
483 }
484
485
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 235764 times.
 235764 av_assert0(minFilterSize > 0);
486 235764 filterSize = (minFilterSize + (filterAlign - 1)) & (~(filterAlign - 1));
487
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 235764 times.
 235764 av_assert0(filterSize > 0);
488 235764 filter = av_malloc_array(dstW, filterSize * sizeof(*filter));
489
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 235764 times.
 235764 if (!filter)
490 ✗ goto nomem;
491
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 235764 times.
 235764 if (filterSize >= MAX_FILTER_SIZE * 16 /
492
2/2
✓ Branch 0 taken 224660 times.
✓ Branch 1 taken 11104 times.
 235764 ((flags & SWS_ACCURATE_RND) ? APCK_SIZE : 16)) {
493 ✗ ret = RETCODE_USE_CASCADE;
494 ✗ goto fail;
495 }
496 235764 *outFilterSize = filterSize;
497
498
2/2
✓ Branch 0 taken 8 times.
✓ Branch 1 taken 235756 times.
 235764 if (flags & SWS_PRINT_INFO)
499 8 av_log(NULL, AV_LOG_VERBOSE,
500 "SwScaler: reducing / aligning filtersize %d -> %d\n",
501 filter2Size, filterSize);
502 /* try to reduce the filter-size (step2 reduce it) */
503
2/2
✓ Branch 0 taken 54036608 times.
✓ Branch 1 taken 235764 times.
 54272372 for (i = 0; i < dstW; i++) {
504 int j;
505
506
2/2
✓ Branch 0 taken 124273773 times.
✓ Branch 1 taken 54036608 times.
 178310381 for (j = 0; j < filterSize; j++) {
507
2/2
✓ Branch 0 taken 27063170 times.
✓ Branch 1 taken 97210603 times.
 124273773 if (j >= filter2Size)
508 27063170 filter[i * filterSize + j] = 0;
509 else
510 97210603 filter[i * filterSize + j] = filter2[i * filter2Size + j];
511
4/4
✓ Branch 0 taken 114040575 times.
✓ Branch 1 taken 10233198 times.
✓ Branch 2 taken 25532160 times.
✓ Branch 3 taken 88508415 times.
 124273773 if ((flags & SWS_BITEXACT) && j >= minFilterSize)
512 25532160 filter[i * filterSize + j] = 0;
513 }
514 }
515
516 // FIXME try to align filterPos if possible
517
518 // fix borders
519
2/2
✓ Branch 0 taken 54036608 times.
✓ Branch 1 taken 235764 times.
 54272372 for (i = 0; i < dstW; i++) {
520 int j;
521
2/2
✓ Branch 0 taken 48581 times.
✓ Branch 1 taken 53988027 times.
 54036608 if ((*filterPos)[i] < 0) {
522 // move filter coefficients left to compensate for filterPos
523
2/2
✓ Branch 0 taken 230948 times.
✓ Branch 1 taken 48581 times.
 279529 for (j = 1; j < filterSize; j++) {
524 230948 int left = FFMAX(j + (*filterPos)[i], 0);
525 230948 filter[i * filterSize + left] += filter[i * filterSize + j];
526 230948 filter[i * filterSize + j] = 0;
527 }
528 48581 (*filterPos)[i]= 0;
529 }
530
531
2/2
✓ Branch 0 taken 301835 times.
✓ Branch 1 taken 53734773 times.
 54036608 if ((*filterPos)[i] + filterSize > srcW) {
532 301835 int shift = (*filterPos)[i] + FFMIN(filterSize - srcW, 0);
533 301835 int64_t acc = 0;
534
535
2/2
✓ Branch 0 taken 1267759 times.
✓ Branch 1 taken 301835 times.
 1569594 for (j = filterSize - 1; j >= 0; j--) {
536
2/2
✓ Branch 0 taken 523091 times.
✓ Branch 1 taken 744668 times.
 1267759 if ((*filterPos)[i] + j >= srcW) {
537 523091 acc += filter[i * filterSize + j];
538 523091 filter[i * filterSize + j] = 0;
539 }
540 }
541
2/2
✓ Branch 0 taken 1267759 times.
✓ Branch 1 taken 301835 times.
 1569594 for (j = filterSize - 1; j >= 0; j--) {
542
2/2
✓ Branch 0 taken 523091 times.
✓ Branch 1 taken 744668 times.
 1267759 if (j < shift) {
543 523091 filter[i * filterSize + j] = 0;
544 } else {
545 744668 filter[i * filterSize + j] = filter[i * filterSize + j - shift];
546 }
547 }
548
549 301835 (*filterPos)[i]-= shift;
550 301835 filter[i * filterSize + srcW - 1 - (*filterPos)[i]] += acc;
551 }
552
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 54036608 times.
 54036608 av_assert0((*filterPos)[i] >= 0);
553
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 54036608 times.
 54036608 av_assert0((*filterPos)[i] < srcW);
554
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 54036608 times.
 54036608 if ((*filterPos)[i] + filterSize > srcW) {
555 ✗ for (j = 0; j < filterSize; j++) {
556 ✗ av_assert0((*filterPos)[i] + j < srcW || !filter[i * filterSize + j]);
557 }
558 }
559 }
560
561 // Note the +1 is for the MMX scaler which reads over the end
562 /* align at 16 for AltiVec (needed by hScale_altivec_real) */
563 235764 *outFilter = av_calloc(dstW + 3, *outFilterSize * sizeof(**outFilter));
564
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 235764 times.
 235764 if (!*outFilter)
565 ✗ goto nomem;
566
567 /* normalize & store in outFilter */
568
2/2
✓ Branch 0 taken 54036608 times.
✓ Branch 1 taken 235764 times.
 54272372 for (i = 0; i < dstW; i++) {
569 int j;
570 54036608 int64_t error = 0;
571 54036608 int64_t sum = 0;
572
573
2/2
✓ Branch 0 taken 124273773 times.
✓ Branch 1 taken 54036608 times.
 178310381 for (j = 0; j < filterSize; j++) {
574 124273773 sum += filter[i * filterSize + j];
575 }
576 54036608 sum = (sum + one / 2) / one;
577
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 54036608 times.
 54036608 if (!sum) {
578 ✗ av_log(NULL, AV_LOG_WARNING, "SwScaler: zero vector in scaling\n");
579 ✗ sum = 1;
580 }
581
2/2
✓ Branch 0 taken 124273773 times.
✓ Branch 1 taken 54036608 times.
 178310381 for (j = 0; j < *outFilterSize; j++) {
582 124273773 int64_t v = filter[i * filterSize + j] + error;
583
2/2
✓ Branch 0 taken 104970996 times.
✓ Branch 1 taken 19302777 times.
 124273773 int intV = ROUNDED_DIV(v, sum);
584 124273773 (*outFilter)[i * (*outFilterSize) + j] = intV;
585 124273773 error = v - intV * sum;
586 }
587 }
588
589 235764 (*filterPos)[dstW + 0] =
590 235764 (*filterPos)[dstW + 1] =
591 235764 (*filterPos)[dstW + 2] = (*filterPos)[dstW - 1]; /* the MMX/SSE scaler will
592 * read over the end */
593
2/2
✓ Branch 0 taken 602686 times.
✓ Branch 1 taken 235764 times.
 838450 for (i = 0; i < *outFilterSize; i++) {
594 602686 int k = (dstW - 1) * (*outFilterSize) + i;
595 602686 (*outFilter)[k + 1 * (*outFilterSize)] =
596 602686 (*outFilter)[k + 2 * (*outFilterSize)] =
597 602686 (*outFilter)[k + 3 * (*outFilterSize)] = (*outFilter)[k];
598 }
599
600 235764 ret = 0;
601 235764 goto done;
602 ✗ nomem:
603 ✗ ret = AVERROR(ENOMEM);
604 ✗ fail:
605 ✗ if(ret < 0)
606 ✗ av_log(NULL, ret == RETCODE_USE_CASCADE ? AV_LOG_DEBUG : AV_LOG_ERROR, "sws: initFilter failed\n");
607 ✗ done:
608 235764 av_free(filter);
609 235764 av_free(filter2);
610 235764 return ret;
611 }
612
613 39757 static void fill_rgb2yuv_table(SwsInternal *c, const int table[4], int dstRange)
614 {
615 int64_t W, V, Z, Cy, Cu, Cv;
616 39757 int64_t vr = table[0];
617 39757 int64_t ub = table[1];
618 39757 int64_t ug = -table[2];
619 39757 int64_t vg = -table[3];
620 39757 int64_t ONE = 65536;
621 39757 int64_t cy = ONE;
622 39757 uint8_t *p = (uint8_t*)c->input_rgb2yuv_table;
623 int i;
624 static const int8_t map[] = {
625 BY_IDX, GY_IDX, -1 , BY_IDX, BY_IDX, GY_IDX, -1 , BY_IDX,
626 RY_IDX, -1 , GY_IDX, RY_IDX, RY_IDX, -1 , GY_IDX, RY_IDX,
627 RY_IDX, GY_IDX, -1 , RY_IDX, RY_IDX, GY_IDX, -1 , RY_IDX,
628 BY_IDX, -1 , GY_IDX, BY_IDX, BY_IDX, -1 , GY_IDX, BY_IDX,
629 BU_IDX, GU_IDX, -1 , BU_IDX, BU_IDX, GU_IDX, -1 , BU_IDX,
630 RU_IDX, -1 , GU_IDX, RU_IDX, RU_IDX, -1 , GU_IDX, RU_IDX,
631 RU_IDX, GU_IDX, -1 , RU_IDX, RU_IDX, GU_IDX, -1 , RU_IDX,
632 BU_IDX, -1 , GU_IDX, BU_IDX, BU_IDX, -1 , GU_IDX, BU_IDX,
633 BV_IDX, GV_IDX, -1 , BV_IDX, BV_IDX, GV_IDX, -1 , BV_IDX,
634 RV_IDX, -1 , GV_IDX, RV_IDX, RV_IDX, -1 , GV_IDX, RV_IDX,
635 RV_IDX, GV_IDX, -1 , RV_IDX, RV_IDX, GV_IDX, -1 , RV_IDX,
636 BV_IDX, -1 , GV_IDX, BV_IDX, BV_IDX, -1 , GV_IDX, BV_IDX,
637 RY_IDX, BY_IDX, RY_IDX, BY_IDX, RY_IDX, BY_IDX, RY_IDX, BY_IDX,
638 BY_IDX, RY_IDX, BY_IDX, RY_IDX, BY_IDX, RY_IDX, BY_IDX, RY_IDX,
639 GY_IDX, -1 , GY_IDX, -1 , GY_IDX, -1 , GY_IDX, -1 ,
640 -1 , GY_IDX, -1 , GY_IDX, -1 , GY_IDX, -1 , GY_IDX,
641 RU_IDX, BU_IDX, RU_IDX, BU_IDX, RU_IDX, BU_IDX, RU_IDX, BU_IDX,
642 BU_IDX, RU_IDX, BU_IDX, RU_IDX, BU_IDX, RU_IDX, BU_IDX, RU_IDX,
643 GU_IDX, -1 , GU_IDX, -1 , GU_IDX, -1 , GU_IDX, -1 ,
644 -1 , GU_IDX, -1 , GU_IDX, -1 , GU_IDX, -1 , GU_IDX,
645 RV_IDX, BV_IDX, RV_IDX, BV_IDX, RV_IDX, BV_IDX, RV_IDX, BV_IDX,
646 BV_IDX, RV_IDX, BV_IDX, RV_IDX, BV_IDX, RV_IDX, BV_IDX, RV_IDX,
647 GV_IDX, -1 , GV_IDX, -1 , GV_IDX, -1 , GV_IDX, -1 ,
648 -1 , GV_IDX, -1 , GV_IDX, -1 , GV_IDX, -1 , GV_IDX, //23
649 -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //24
650 -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //25
651 -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //26
652 -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //27
653 -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //28
654 -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //29
655 -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //30
656 -1 , -1 , -1 , -1 , -1 , -1 , -1 , -1 , //31
657 BY_IDX, GY_IDX, RY_IDX, -1 , -1 , -1 , -1 , -1 , //32
658 BU_IDX, GU_IDX, RU_IDX, -1 , -1 , -1 , -1 , -1 , //33
659 BV_IDX, GV_IDX, RV_IDX, -1 , -1 , -1 , -1 , -1 , //34
660 };
661
662 39757 dstRange = 0; //FIXME range = 1 is handled elsewhere
663
664
1/2
✓ Branch 0 taken 39757 times.
✗ Branch 1 not taken.
 39757 if (!dstRange) {
665 39757 cy = cy * 255 / 219;
666 } else {
667 ✗ vr = vr * 224 / 255;
668 ✗ ub = ub * 224 / 255;
669 ✗ ug = ug * 224 / 255;
670 ✗ vg = vg * 224 / 255;
671 }
672
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 39757 times.
 39757 W = ROUNDED_DIV(ONE*ONE*ug, ub);
673
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 39757 times.
 39757 V = ROUNDED_DIV(ONE*ONE*vg, vr);
674 39757 Z = ONE*ONE-W-V;
675
676
1/2
✓ Branch 0 taken 39757 times.
✗ Branch 1 not taken.
 39757 Cy = ROUNDED_DIV(cy*Z, ONE);
677
1/2
✓ Branch 0 taken 39757 times.
✗ Branch 1 not taken.
 39757 Cu = ROUNDED_DIV(ub*Z, ONE);
678
1/2
✓ Branch 0 taken 39757 times.
✗ Branch 1 not taken.
 39757 Cv = ROUNDED_DIV(vr*Z, ONE);
679
680
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 39757 times.
 39757 c->input_rgb2yuv_table[RY_IDX] = -ROUNDED_DIV((1 << RGB2YUV_SHIFT)*V , Cy);
681 39757 c->input_rgb2yuv_table[GY_IDX] = ROUNDED_DIV((1 << RGB2YUV_SHIFT)*ONE*ONE , Cy);
682
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 39757 times.
 39757 c->input_rgb2yuv_table[BY_IDX] = -ROUNDED_DIV((1 << RGB2YUV_SHIFT)*W , Cy);
683
684
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 39757 times.
 39757 c->input_rgb2yuv_table[RU_IDX] = ROUNDED_DIV((1 << RGB2YUV_SHIFT)*V , Cu);
685 39757 c->input_rgb2yuv_table[GU_IDX] = -ROUNDED_DIV((1 << RGB2YUV_SHIFT)*ONE*ONE , Cu);
686
1/2
✓ Branch 0 taken 39757 times.
✗ Branch 1 not taken.
 39757 c->input_rgb2yuv_table[BU_IDX] = ROUNDED_DIV((1 << RGB2YUV_SHIFT)*(Z+W) , Cu);
687
688
1/2
✓ Branch 0 taken 39757 times.
✗ Branch 1 not taken.
 39757 c->input_rgb2yuv_table[RV_IDX] = ROUNDED_DIV((1 << RGB2YUV_SHIFT)*(V+Z) , Cv);
689 39757 c->input_rgb2yuv_table[GV_IDX] = -ROUNDED_DIV((1 << RGB2YUV_SHIFT)*ONE*ONE , Cv);
690
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 39757 times.
 39757 c->input_rgb2yuv_table[BV_IDX] = ROUNDED_DIV((1 << RGB2YUV_SHIFT)*W , Cv);
691
692
1/2
✓ Branch 0 taken 39757 times.
✗ Branch 1 not taken.
 39757 if(/*!dstRange && */!memcmp(table, ff_yuv2rgb_coeffs[SWS_CS_DEFAULT], sizeof(ff_yuv2rgb_coeffs[SWS_CS_DEFAULT]))) {
693 39757 c->input_rgb2yuv_table[BY_IDX] = ((int)(0.114 * 219 / 255 * (1 << RGB2YUV_SHIFT) + 0.5));
694 39757 c->input_rgb2yuv_table[BV_IDX] = (-(int)(0.081 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5));
695 39757 c->input_rgb2yuv_table[BU_IDX] = ((int)(0.500 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5));
696 39757 c->input_rgb2yuv_table[GY_IDX] = ((int)(0.587 * 219 / 255 * (1 << RGB2YUV_SHIFT) + 0.5));
697 39757 c->input_rgb2yuv_table[GV_IDX] = (-(int)(0.419 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5));
698 39757 c->input_rgb2yuv_table[GU_IDX] = (-(int)(0.331 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5));
699 39757 c->input_rgb2yuv_table[RY_IDX] = ((int)(0.299 * 219 / 255 * (1 << RGB2YUV_SHIFT) + 0.5));
700 39757 c->input_rgb2yuv_table[RV_IDX] = ((int)(0.500 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5));
701 39757 c->input_rgb2yuv_table[RU_IDX] = (-(int)(0.169 * 224 / 255 * (1 << RGB2YUV_SHIFT) + 0.5));
702 }
703
2/2
✓ Branch 0 taken 11131960 times.
✓ Branch 1 taken 39757 times.
 11171717 for(i=0; i<FF_ARRAY_ELEMS(map); i++)
704
2/2
✓ Branch 0 taken 6082821 times.
✓ Branch 1 taken 5049139 times.
 11131960 AV_WL16(p + 16*4 + 2*i, map[i] >= 0 ? c->input_rgb2yuv_table[map[i]] : 0);
705 39757 }
706
707 #if CONFIG_SMALL
708 static void init_xyz_tables(uint16_t xyzgamma_tab[4096], uint16_t xyzgammainv_tab[65536],
709 uint16_t rgbgamma_tab[65536], uint16_t rgbgammainv_tab[4096])
710 #else
711 static uint16_t xyzgamma_tab[4096], rgbgammainv_tab[4096];
712 static uint16_t rgbgamma_tab[65536], xyzgammainv_tab[65536];
713 38 static av_cold void init_xyz_tables(void)
714 #endif
715 {
716 38 double xyzgamma = XYZ_GAMMA;
717 38 double rgbgamma = 1.0 / RGB_GAMMA;
718 38 double xyzgammainv = 1.0 / XYZ_GAMMA;
719 38 double rgbgammainv = RGB_GAMMA;
720
721 /* set input gamma vectors */
722
2/2
✓ Branch 0 taken 155648 times.
✓ Branch 1 taken 38 times.
 155686 for (int i = 0; i < 4096; i++) {
723 155648 xyzgamma_tab[i] = lrint(pow(i / 4095.0, xyzgamma) * 65535.0);
724 155648 rgbgammainv_tab[i] = lrint(pow(i / 4095.0, rgbgammainv) * 65535.0);
725 }
726
727 /* set output gamma vectors */
728
2/2
✓ Branch 0 taken 2490368 times.
✓ Branch 1 taken 38 times.
 2490406 for (int i = 0; i < 65536; i++) {
729 2490368 rgbgamma_tab[i] = lrint(pow(i / 65535.0, rgbgamma) * 4095.0);
730 2490368 xyzgammainv_tab[i] = lrint(pow(i / 65535.0, xyzgammainv) * 4095.0);
731 }
732 38 }
733
734 164 av_cold int ff_sws_fill_xyztables(SwsInternal *c)
735 {
736 static const int16_t xyz2rgb_matrix[3][3] = {
737 {13270, -6295, -2041},
738 {-3969, 7682, 170},
739 { 228, -835, 4329} };
740 static const int16_t rgb2xyz_matrix[3][3] = {
741 {1689, 1464, 739},
742 { 871, 2929, 296},
743 { 79, 488, 3891} };
744
745
2/2
✓ Branch 0 taken 100 times.
✓ Branch 1 taken 64 times.
 164 if (c->xyz2rgb.gamma.in)
746 100 return 0;
747
748 64 memcpy(c->xyz2rgb.mat, xyz2rgb_matrix, sizeof(c->xyz2rgb.mat));
749 64 memcpy(c->rgb2xyz.mat, rgb2xyz_matrix, sizeof(c->rgb2xyz.mat));
750
751 #if CONFIG_SMALL
752 c->xyz2rgb.gamma.in = av_malloc(sizeof(uint16_t) * 2 * (4096 + 65536));
753 if (!c->xyz2rgb.gamma.in)
754 return AVERROR(ENOMEM);
755 c->rgb2xyz.gamma.in = c->xyz2rgb.gamma.in + 4096;
756 c->xyz2rgb.gamma.out = c->rgb2xyz.gamma.in + 4096;
757 c->rgb2xyz.gamma.out = c->xyz2rgb.gamma.out + 65536;
758 init_xyz_tables(c->xyz2rgb.gamma.in, c->rgb2xyz.gamma.out,
759 c->xyz2rgb.gamma.out, c->rgb2xyz.gamma.in);
760 #else
761 64 c->xyz2rgb.gamma.in = xyzgamma_tab;
762 64 c->xyz2rgb.gamma.out = rgbgamma_tab;
763 64 c->rgb2xyz.gamma.in = rgbgammainv_tab;
764 64 c->rgb2xyz.gamma.out = xyzgammainv_tab;
765
766 static AVOnce xyz_init_static_once = AV_ONCE_INIT;
767 64 ff_thread_once(&xyz_init_static_once, init_xyz_tables);
768 #endif
769 64 return 0;
770 }
771
772 91378 static int handle_jpeg(/* enum AVPixelFormat */ int *format)
773 {
774
7/7
✓ Branch 0 taken 99 times.
✓ Branch 1 taken 16 times.
✓ Branch 2 taken 53 times.
✓ Branch 3 taken 356 times.
✓ Branch 4 taken 44 times.
✓ Branch 5 taken 4501 times.
✓ Branch 6 taken 86309 times.
 91378 switch (*format) {
775 99 case AV_PIX_FMT_YUVJ420P:
776 99 *format = AV_PIX_FMT_YUV420P;
777 99 return 1;
778 16 case AV_PIX_FMT_YUVJ411P:
779 16 *format = AV_PIX_FMT_YUV411P;
780 16 return 1;
781 53 case AV_PIX_FMT_YUVJ422P:
782 53 *format = AV_PIX_FMT_YUV422P;
783 53 return 1;
784 356 case AV_PIX_FMT_YUVJ444P:
785 356 *format = AV_PIX_FMT_YUV444P;
786 356 return 1;
787 44 case AV_PIX_FMT_YUVJ440P:
788 44 *format = AV_PIX_FMT_YUV440P;
789 44 return 1;
790 4501 case AV_PIX_FMT_GRAY8:
791 case AV_PIX_FMT_YA8:
792 case AV_PIX_FMT_GRAY9LE:
793 case AV_PIX_FMT_GRAY9BE:
794 case AV_PIX_FMT_GRAY10LE:
795 case AV_PIX_FMT_GRAY10BE:
796 case AV_PIX_FMT_GRAY12LE:
797 case AV_PIX_FMT_GRAY12BE:
798 case AV_PIX_FMT_GRAY14LE:
799 case AV_PIX_FMT_GRAY14BE:
800 case AV_PIX_FMT_GRAY16LE:
801 case AV_PIX_FMT_GRAY16BE:
802 case AV_PIX_FMT_YA16BE:
803 case AV_PIX_FMT_YA16LE:
804 4501 return 1;
805 86309 default:
806 86309 return 0;
807 }
808 }
809
810 400932 static int handle_0alpha(/* enum AVPixelFormat */ int *format)
811 {
812
5/5
✓ Branch 0 taken 309 times.
✓ Branch 1 taken 346 times.
✓ Branch 2 taken 276 times.
✓ Branch 3 taken 296 times.
✓ Branch 4 taken 399705 times.
 400932 switch (*format) {
813 309 case AV_PIX_FMT_0BGR : *format = AV_PIX_FMT_ABGR ; return 1;
814 346 case AV_PIX_FMT_BGR0 : *format = AV_PIX_FMT_BGRA ; return 4;
815 276 case AV_PIX_FMT_0RGB : *format = AV_PIX_FMT_ARGB ; return 1;
816 296 case AV_PIX_FMT_RGB0 : *format = AV_PIX_FMT_RGBA ; return 4;
817 399705 default: return 0;
818 }
819 }
820
821 400932 static int handle_xyz(/* enum AVPixelFormat */ int *format)
822 {
823
3/3
✓ Branch 0 taken 14 times.
✓ Branch 1 taken 38 times.
✓ Branch 2 taken 400880 times.
 400932 switch (*format) {
824 14 case AV_PIX_FMT_XYZ12BE : *format = AV_PIX_FMT_RGB48BE; return 1;
825 38 case AV_PIX_FMT_XYZ12LE : *format = AV_PIX_FMT_RGB48LE; return 1;
826 400880 default: return 0;
827 }
828 }
829
830 200466 static int handle_formats(SwsContext *sws)
831 {
832 200466 SwsInternal *c = sws_internal(sws);
833 200466 c->src0Alpha |= handle_0alpha(&sws->src_format);
834 200466 c->dst0Alpha |= handle_0alpha(&sws->dst_format);
835 200466 c->srcXYZ |= handle_xyz(&sws->src_format);
836 200466 c->dstXYZ |= handle_xyz(&sws->dst_format);
837
4/4
✓ Branch 0 taken 200424 times.
✓ Branch 1 taken 42 times.
✓ Branch 2 taken 108 times.
✓ Branch 3 taken 200316 times.
 200466 if (c->srcXYZ || c->dstXYZ)
838 150 return ff_sws_fill_xyztables(c);
839 else
840 200316 return 0;
841 }
842
843 342198 static int range_override_needed(enum AVPixelFormat format)
844 {
845
4/4
✓ Branch 1 taken 117033 times.
✓ Branch 2 taken 225165 times.
✓ Branch 4 taken 102911 times.
✓ Branch 5 taken 14122 times.
 342198 return !isYUV(format) && !isGray(format);
846 }
847
848 131586 int sws_setColorspaceDetails(SwsContext *sws, const int inv_table[4],
849 int srcRange, const int table[4], int dstRange,
850 int brightness, int contrast, int saturation)
851 {
852 131586 SwsInternal *c = sws_internal(sws);
853 const AVPixFmtDescriptor *desc_dst;
854 const AVPixFmtDescriptor *desc_src;
855 131586 int ret, need_reinit = 0;
856
857
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 131586 times.
 131586 if (c->nb_slice_ctx) {
858 ✗ int parent_ret = 0;
859 ✗ for (int i = 0; i < c->nb_slice_ctx; i++) {
860 ✗ int ret = sws_setColorspaceDetails(c->slice_ctx[i], inv_table,
861 srcRange, table, dstRange,
862 brightness, contrast, saturation);
863 ✗ if (ret < 0)
864 ✗ parent_ret = ret;
865 }
866
867 ✗ return parent_ret;
868 }
869
870 131586 ret = handle_formats(sws);
871
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 131586 times.
 131586 if (ret < 0)
872 ✗ return ret;
873 131586 desc_dst = av_pix_fmt_desc_get(sws->dst_format);
874 131586 desc_src = av_pix_fmt_desc_get(sws->src_format);
875
876
2/2
✓ Branch 1 taken 27103 times.
✓ Branch 2 taken 104483 times.
 131586 if(range_override_needed(sws->dst_format))
877 27103 dstRange = 0;
878
2/2
✓ Branch 1 taken 54561 times.
✓ Branch 2 taken 77025 times.
 131586 if(range_override_needed(sws->src_format))
879 54561 srcRange = 0;
880
881
2/2
✓ Branch 0 taken 112571 times.
✓ Branch 1 taken 19015 times.
 131586 if (sws->src_range != srcRange ||
882
2/2
✓ Branch 0 taken 110809 times.
✓ Branch 1 taken 1762 times.
 112571 sws->dst_range != dstRange ||
883
1/2
✓ Branch 0 taken 110809 times.
✗ Branch 1 not taken.
 110809 c->brightness != brightness ||
884
2/2
✓ Branch 0 taken 62706 times.
✓ Branch 1 taken 48103 times.
 110809 c->contrast != contrast ||
885
1/2
✓ Branch 0 taken 62706 times.
✗ Branch 1 not taken.
 62706 c->saturation != saturation ||
886
2/2
✓ Branch 0 taken 62545 times.
✓ Branch 1 taken 161 times.
 62706 memcmp(c->srcColorspaceTable, inv_table, sizeof(int) * 4) ||
887
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 62545 times.
 62545 memcmp(c->dstColorspaceTable, table, sizeof(int) * 4)
888 )
889 69041 need_reinit = 1;
890
891 131586 memmove(c->srcColorspaceTable, inv_table, sizeof(int) * 4);
892 131586 memmove(c->dstColorspaceTable, table, sizeof(int) * 4);
893
894
895
896 131586 c->brightness = brightness;
897 131586 c->contrast = contrast;
898 131586 c->saturation = saturation;
899 131586 sws->src_range = srcRange;
900 131586 sws->dst_range = dstRange;
901
902
2/2
✓ Branch 0 taken 69041 times.
✓ Branch 1 taken 62545 times.
 131586 if (need_reinit)
903 69041 ff_sws_init_range_convert(c);
904
905 131586 c->dstFormatBpp = av_get_bits_per_pixel(desc_dst);
906 131586 c->srcFormatBpp = av_get_bits_per_pixel(desc_src);
907
908
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 131586 times.
 131586 if (c->cascaded_context[c->cascaded_mainindex])
909 ✗ return sws_setColorspaceDetails(c->cascaded_context[c->cascaded_mainindex],inv_table, srcRange,table, dstRange, brightness, contrast, saturation);
910
911
2/2
✓ Branch 0 taken 62545 times.
✓ Branch 1 taken 69041 times.
 131586 if (!need_reinit)
912 62545 return 0;
913
914
8/8
✓ Branch 1 taken 17507 times.
✓ Branch 2 taken 51534 times.
✓ Branch 4 taken 1142 times.
✓ Branch 5 taken 16365 times.
✓ Branch 7 taken 27082 times.
✓ Branch 8 taken 25594 times.
✓ Branch 10 taken 3690 times.
✓ Branch 11 taken 23392 times.
 69041 if ((isYUV(sws->dst_format) || isGray(sws->dst_format)) && (isYUV(sws->src_format) || isGray(sws->src_format))) {
915
1/2
✓ Branch 0 taken 29284 times.
✗ Branch 1 not taken.
 29284 if (!c->cascaded_context[0] &&
916
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 29283 times.
 29284 memcmp(c->dstColorspaceTable, c->srcColorspaceTable, sizeof(int) * 4) &&
917
4/8
✓ Branch 0 taken 1 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 1 times.
✗ Branch 3 not taken.
✓ Branch 4 taken 1 times.
✗ Branch 5 not taken.
✓ Branch 6 taken 1 times.
✗ Branch 7 not taken.
 1 sws->src_w && sws->src_h && sws->dst_w && sws->dst_h) {
918 enum AVPixelFormat tmp_format;
919 int tmp_width, tmp_height;
920 1 int srcW = sws->src_w;
921 1 int srcH = sws->src_h;
922 1 int dstW = sws->dst_w;
923 1 int dstH = sws->dst_h;
924 int ret;
925 1 av_log(c, AV_LOG_VERBOSE, "YUV color matrix differs for YUV->YUV, using intermediate RGB to convert\n");
926
927
2/4
✓ Branch 1 taken 1 times.
✗ Branch 2 not taken.
✗ Branch 4 not taken.
✓ Branch 5 taken 1 times.
 1 if (isNBPS(sws->dst_format) || is16BPS(sws->dst_format)) {
928 ✗ if (isALPHA(sws->src_format) && isALPHA(sws->dst_format)) {
929 ✗ tmp_format = AV_PIX_FMT_BGRA64;
930 } else {
931 ✗ tmp_format = AV_PIX_FMT_BGR48;
932 }
933 } else {
934
1/4
✗ Branch 1 not taken.
✓ Branch 2 taken 1 times.
✗ Branch 4 not taken.
✗ Branch 5 not taken.
 1 if (isALPHA(sws->src_format) && isALPHA(sws->dst_format)) {
935 ✗ tmp_format = AV_PIX_FMT_BGRA;
936 } else {
937 1 tmp_format = AV_PIX_FMT_BGR24;
938 }
939 }
940
941
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1 times.
 1 if (srcW*srcH > dstW*dstH) {
942 ✗ tmp_width = dstW;
943 ✗ tmp_height = dstH;
944 } else {
945 1 tmp_width = srcW;
946 1 tmp_height = srcH;
947 }
948
949 1 ret = av_image_alloc(c->cascaded_tmp[0], c->cascaded_tmpStride[0],
950 tmp_width, tmp_height, tmp_format, 64);
951
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1 times.
 1 if (ret < 0)
952 ✗ return ret;
953
954 2 c->cascaded_context[0] = alloc_set_opts(srcW, srcH, sws->src_format,
955 tmp_width, tmp_height, tmp_format,
956 1 sws->flags, sws->scaler_params);
957
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1 times.
 1 if (!c->cascaded_context[0])
958 ✗ return -1;
959
960 1 c->cascaded_context[0]->alpha_blend = sws->alpha_blend;
961 1 ret = sws_init_context(c->cascaded_context[0], NULL , NULL);
962
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1 times.
 1 if (ret < 0)
963 ✗ return ret;
964 //we set both src and dst depending on that the RGB side will be ignored
965 1 sws_setColorspaceDetails(c->cascaded_context[0], inv_table,
966 srcRange, table, dstRange,
967 brightness, contrast, saturation);
968
969 2 c->cascaded_context[1] = alloc_set_opts(tmp_width, tmp_height, tmp_format,
970 1 dstW, dstH, sws->dst_format,
971 1 sws->flags, sws->scaler_params);
972
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1 times.
 1 if (!c->cascaded_context[1])
973 ✗ return -1;
974 1 c->cascaded_context[1]->src_range = srcRange;
975 1 c->cascaded_context[1]->dst_range = dstRange;
976 1 ret = sws_init_context(c->cascaded_context[1], NULL , NULL);
977
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1 times.
 1 if (ret < 0)
978 ✗ return ret;
979 1 sws_setColorspaceDetails(c->cascaded_context[1], inv_table,
980 srcRange, table, dstRange,
981 0, 1 << 16, 1 << 16);
982 1 return 0;
983 }
984 //We do not support this combination currently, we need to cascade more contexts to compensate
985
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 29283 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 29283 if (c->cascaded_context[0] && memcmp(c->dstColorspaceTable, c->srcColorspaceTable, sizeof(int) * 4))
986 ✗ return -1; //AVERROR_PATCHWELCOME;
987 29283 return 0;
988 }
989
990
4/4
✓ Branch 1 taken 16785 times.
✓ Branch 2 taken 22972 times.
✓ Branch 4 taken 16365 times.
✓ Branch 5 taken 420 times.
 39757 if (!isYUV(sws->dst_format) && !isGray(sws->dst_format)) {
991 16365 ff_yuv2rgb_c_init_tables(c, inv_table, srcRange, brightness,
992 contrast, saturation);
993 // FIXME factorize
994
995 #if ARCH_PPC
996 ff_yuv2rgb_init_tables_ppc(c, inv_table, brightness,
997 contrast, saturation);
998 #endif
999 }
1000
1001 39757 fill_rgb2yuv_table(c, table, dstRange);
1002
1003 39757 return 0;
1004 }
1005
1006 39513 int sws_getColorspaceDetails(SwsContext *sws, int **inv_table,
1007 int *srcRange, int **table, int *dstRange,
1008 int *brightness, int *contrast, int *saturation)
1009 {
1010 39513 SwsInternal *c = sws_internal(sws);
1011
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 39513 times.
 39513 if (!c)
1012 ✗ return -1;
1013
1014
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 39513 times.
 39513 if (c->nb_slice_ctx) {
1015 ✗ return sws_getColorspaceDetails(c->slice_ctx[0], inv_table, srcRange,
1016 table, dstRange, brightness, contrast,
1017 saturation);
1018 }
1019
1020 39513 *inv_table = c->srcColorspaceTable;
1021 39513 *table = c->dstColorspaceTable;
1022
2/2
✓ Branch 1 taken 20498 times.
✓ Branch 2 taken 19015 times.
 39513 *srcRange = range_override_needed(sws->src_format) ? 1 : sws->src_range;
1023
2/2
✓ Branch 1 taken 37281 times.
✓ Branch 2 taken 2232 times.
 39513 *dstRange = range_override_needed(sws->dst_format) ? 1 : sws->dst_range;
1024 39513 *brightness = c->brightness;
1025 39513 *contrast = c->contrast;
1026 39513 *saturation = c->saturation;
1027
1028 39513 return 0;
1029 }
1030
1031 89136 SwsContext *sws_alloc_context(void)
1032 {
1033 89136 SwsInternal *c = av_mallocz(sizeof(*c) + SWSINTERNAL_ADDITIONAL_ASM_SIZE);
1034
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 89136 times.
 89136 if (!c)
1035 ✗ return NULL;
1036
1037 89136 c->opts.av_class = &ff_sws_context_class;
1038 89136 av_opt_set_defaults(c);
1039 89136 atomic_init(&c->stride_unaligned_warned, 0);
1040 89136 atomic_init(&c->data_unaligned_warned, 0);
1041
1042 89136 return &c->opts;
1043 }
1044
1045 ✗ static uint16_t * alloc_gamma_tbl(double e)
1046 {
1047 ✗ int i = 0;
1048 uint16_t * tbl;
1049 ✗ tbl = (uint16_t*)av_malloc(sizeof(uint16_t) * 1 << 16);
1050 ✗ if (!tbl)
1051 ✗ return NULL;
1052
1053 ✗ for (i = 0; i < 65536; ++i) {
1054 ✗ tbl[i] = pow(i / 65535.0, e) * 65535.0;
1055 }
1056 ✗ return tbl;
1057 }
1058
1059 1873 static enum AVPixelFormat alphaless_fmt(enum AVPixelFormat fmt)
1060 {
1061
19/42
✓ Branch 0 taken 12 times.
✓ Branch 1 taken 12 times.
✓ Branch 2 taken 2 times.
✓ Branch 3 taken 220 times.
✓ Branch 4 taken 20 times.
✓ Branch 5 taken 616 times.
✓ Branch 6 taken 3 times.
✓ Branch 7 taken 156 times.
✓ Branch 8 taken 51 times.
✓ Branch 9 taken 1 times.
✗ Branch 10 not taken.
✓ Branch 11 taken 1 times.
✗ Branch 12 not taken.
✗ Branch 13 not taken.
✗ Branch 14 not taken.
✓ Branch 15 taken 1 times.
✗ Branch 16 not taken.
✓ Branch 17 taken 1 times.
✓ Branch 18 taken 10 times.
✓ Branch 19 taken 1 times.
✗ Branch 20 not taken.
✓ Branch 21 taken 10 times.
✗ Branch 22 not taken.
✗ Branch 23 not taken.
✗ Branch 24 not taken.
✗ Branch 25 not taken.
✗ Branch 26 not taken.
✗ Branch 27 not taken.
✗ Branch 28 not taken.
✗ Branch 29 not taken.
✗ Branch 30 not taken.
✗ Branch 31 not taken.
✗ Branch 32 not taken.
✗ Branch 33 not taken.
✗ Branch 34 not taken.
✗ Branch 35 not taken.
✗ Branch 36 not taken.
✗ Branch 37 not taken.
✗ Branch 38 not taken.
✓ Branch 39 taken 10 times.
✓ Branch 40 taken 4 times.
✓ Branch 41 taken 742 times.
 1873 switch(fmt) {
1062 12 case AV_PIX_FMT_ARGB: return AV_PIX_FMT_RGB24;
1063 12 case AV_PIX_FMT_RGBA: return AV_PIX_FMT_RGB24;
1064 2 case AV_PIX_FMT_ABGR: return AV_PIX_FMT_BGR24;
1065 220 case AV_PIX_FMT_BGRA: return AV_PIX_FMT_BGR24;
1066 20 case AV_PIX_FMT_YA8: return AV_PIX_FMT_GRAY8;
1067
1068 616 case AV_PIX_FMT_YUVA420P: return AV_PIX_FMT_YUV420P;
1069 3 case AV_PIX_FMT_YUVA422P: return AV_PIX_FMT_YUV422P;
1070 156 case AV_PIX_FMT_YUVA444P: return AV_PIX_FMT_YUV444P;
1071
1072 51 case AV_PIX_FMT_GBRAP: return AV_PIX_FMT_GBRP;
1073
1074 1 case AV_PIX_FMT_GBRAP10LE: return AV_PIX_FMT_GBRP10;
1075 ✗ case AV_PIX_FMT_GBRAP10BE: return AV_PIX_FMT_GBRP10;
1076
1077 1 case AV_PIX_FMT_GBRAP12LE: return AV_PIX_FMT_GBRP12;
1078 ✗ case AV_PIX_FMT_GBRAP12BE: return AV_PIX_FMT_GBRP12;
1079
1080 ✗ case AV_PIX_FMT_GBRAP14LE: return AV_PIX_FMT_GBRP14;
1081 ✗ case AV_PIX_FMT_GBRAP14BE: return AV_PIX_FMT_GBRP14;
1082
1083 1 case AV_PIX_FMT_GBRAP16LE: return AV_PIX_FMT_GBRP16;
1084 ✗ case AV_PIX_FMT_GBRAP16BE: return AV_PIX_FMT_GBRP16;
1085
1086 1 case AV_PIX_FMT_RGBA64LE: return AV_PIX_FMT_RGB48;
1087 10 case AV_PIX_FMT_RGBA64BE: return AV_PIX_FMT_RGB48;
1088 1 case AV_PIX_FMT_BGRA64LE: return AV_PIX_FMT_BGR48;
1089 ✗ case AV_PIX_FMT_BGRA64BE: return AV_PIX_FMT_BGR48;
1090
1091 10 case AV_PIX_FMT_YA16BE: return AV_PIX_FMT_GRAY16;
1092 ✗ case AV_PIX_FMT_YA16LE: return AV_PIX_FMT_GRAY16;
1093
1094 ✗ case AV_PIX_FMT_YUVA420P9BE: return AV_PIX_FMT_YUV420P9;
1095 ✗ case AV_PIX_FMT_YUVA422P9BE: return AV_PIX_FMT_YUV422P9;
1096 ✗ case AV_PIX_FMT_YUVA444P9BE: return AV_PIX_FMT_YUV444P9;
1097 ✗ case AV_PIX_FMT_YUVA420P9LE: return AV_PIX_FMT_YUV420P9;
1098 ✗ case AV_PIX_FMT_YUVA422P9LE: return AV_PIX_FMT_YUV422P9;
1099 ✗ case AV_PIX_FMT_YUVA444P9LE: return AV_PIX_FMT_YUV444P9;
1100 ✗ case AV_PIX_FMT_YUVA420P10BE: return AV_PIX_FMT_YUV420P10;
1101 ✗ case AV_PIX_FMT_YUVA422P10BE: return AV_PIX_FMT_YUV422P10;
1102 ✗ case AV_PIX_FMT_YUVA444P10BE: return AV_PIX_FMT_YUV444P10;
1103 ✗ case AV_PIX_FMT_YUVA420P10LE: return AV_PIX_FMT_YUV420P10;
1104 ✗ case AV_PIX_FMT_YUVA422P10LE: return AV_PIX_FMT_YUV422P10;
1105 ✗ case AV_PIX_FMT_YUVA444P10LE: return AV_PIX_FMT_YUV444P10;
1106 ✗ case AV_PIX_FMT_YUVA420P16BE: return AV_PIX_FMT_YUV420P16;
1107 ✗ case AV_PIX_FMT_YUVA422P16BE: return AV_PIX_FMT_YUV422P16;
1108 ✗ case AV_PIX_FMT_YUVA444P16BE: return AV_PIX_FMT_YUV444P16;
1109 ✗ case AV_PIX_FMT_YUVA420P16LE: return AV_PIX_FMT_YUV420P16;
1110 10 case AV_PIX_FMT_YUVA422P16LE: return AV_PIX_FMT_YUV422P16;
1111 4 case AV_PIX_FMT_YUVA444P16LE: return AV_PIX_FMT_YUV444P16;
1112
1113 // case AV_PIX_FMT_AYUV64LE:
1114 // case AV_PIX_FMT_AYUV64BE:
1115 // case AV_PIX_FMT_PAL8:
1116 742 default: return AV_PIX_FMT_NONE;
1117 }
1118 }
1119
1120 137760 static int scaler_flag(SwsScaler scaler, int fallback)
1121 {
1122
2/9
✗ Branch 0 not taken.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
✗ Branch 4 not taken.
✗ Branch 5 not taken.
✓ Branch 6 taken 3 times.
✗ Branch 7 not taken.
✓ Branch 8 taken 137757 times.
 137760 switch (scaler) {
1123 ✗ case SWS_SCALE_BILINEAR: return SWS_BILINEAR; break;
1124 ✗ case SWS_SCALE_BICUBIC: return SWS_BICUBIC; break;
1125 ✗ case SWS_SCALE_POINT: return SWS_POINT; break;
1126 ✗ case SWS_SCALE_AREA: return SWS_AREA; break;
1127 ✗ case SWS_SCALE_GAUSSIAN: return SWS_GAUSS; break;
1128 ✗ case SWS_SCALE_SINC: return SWS_SINC; break;
1129 3 case SWS_SCALE_LANCZOS: return SWS_LANCZOS; break;
1130 ✗ case SWS_SCALE_SPLINE: return SWS_SPLINE; break;
1131 137757 default:
1132 137757 return fallback;
1133 }
1134 }
1135
1136 68880 av_cold int ff_sws_init_single_context(SwsContext *sws, SwsFilter *srcFilter,
1137 SwsFilter *dstFilter)
1138 {
1139 int i;
1140 int usesVFilter, usesHFilter;
1141 int unscaled;
1142 68880 SwsInternal *c = sws_internal(sws);
1143 68880 SwsFilter dummyFilter = { NULL, NULL, NULL, NULL };
1144 68880 int srcW = sws->src_w;
1145 68880 int srcH = sws->src_h;
1146 68880 int dstW = sws->dst_w;
1147 68880 int dstH = sws->dst_h;
1148 68880 int dst_stride = FFALIGN(dstW * sizeof(int16_t) + 66, 16);
1149 int flags, cpu_flags;
1150 enum AVPixelFormat srcFormat, dstFormat;
1151 const AVPixFmtDescriptor *desc_src;
1152 const AVPixFmtDescriptor *desc_dst;
1153 68880 int ret = 0;
1154 enum AVPixelFormat tmpFmt;
1155 static const float float_mult = 1.0f / 255.0f;
1156
1157 68880 cpu_flags = av_get_cpu_flags();
1158 68880 flags = sws->flags;
1159 68880 emms_c();
1160
1161
4/4
✓ Branch 0 taken 54393 times.
✓ Branch 1 taken 14487 times.
✓ Branch 2 taken 49920 times.
✓ Branch 3 taken 4473 times.
 68880 unscaled = (srcW == dstW && srcH == dstH);
1162
1163
3/6
✓ Branch 0 taken 68880 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 68880 times.
✗ Branch 3 not taken.
✓ Branch 4 taken 68880 times.
✗ Branch 5 not taken.
 68880 if (!c->contrast && !c->saturation && !c->dstFormatBpp)
1164 68880 sws_setColorspaceDetails(sws, ff_yuv2rgb_coeffs[SWS_CS_DEFAULT], sws->src_range,
1165 ff_yuv2rgb_coeffs[SWS_CS_DEFAULT],
1166 sws->dst_range, 0, 1 << 16, 1 << 16);
1167
1168 68880 ret = handle_formats(sws);
1169
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 68880 times.
 68880 if (ret < 0)
1170 ✗ return ret;
1171 68880 srcFormat = sws->src_format;
1172 68880 dstFormat = sws->dst_format;
1173 68880 desc_src = av_pix_fmt_desc_get(srcFormat);
1174 68880 desc_dst = av_pix_fmt_desc_get(dstFormat);
1175
1176 // If the source has no alpha then disable alpha blendaway
1177
2/2
✓ Branch 0 taken 1141 times.
✓ Branch 1 taken 67739 times.
 68880 if (c->src0Alpha)
1178 1141 sws->alpha_blend = SWS_ALPHA_BLEND_NONE;
1179
1180
5/6
✓ Branch 0 taken 49920 times.
✓ Branch 1 taken 18960 times.
✓ Branch 3 taken 541 times.
✓ Branch 4 taken 49379 times.
✓ Branch 5 taken 541 times.
✗ Branch 6 not taken.
 69421 if (!(unscaled && sws_isSupportedEndiannessConversion(srcFormat) &&
1181 541 av_pix_fmt_swap_endianness(srcFormat) == dstFormat)) {
1182
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 68880 times.
 68880 if (!sws_isSupportedInput(srcFormat)) {
1183 ✗ av_log(c, AV_LOG_ERROR, "%s is not supported as input pixel format\n",
1184 av_get_pix_fmt_name(srcFormat));
1185 ✗ return AVERROR(EINVAL);
1186 }
1187
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 68880 times.
 68880 if (!sws_isSupportedOutput(dstFormat)) {
1188 ✗ av_log(c, AV_LOG_ERROR, "%s is not supported as output pixel format\n",
1189 av_get_pix_fmt_name(dstFormat));
1190 ✗ return AVERROR(EINVAL);
1191 }
1192 }
1193 av_assert2(desc_src && desc_dst);
1194
1195 68880 i = flags & (SWS_POINT |
1196 SWS_AREA |
1197 SWS_BILINEAR |
1198 SWS_FAST_BILINEAR |
1199 SWS_BICUBIC |
1200 SWS_X |
1201 SWS_GAUSS |
1202 SWS_LANCZOS |
1203 SWS_SINC |
1204 SWS_SPLINE |
1205 SWS_BICUBLIN);
1206
1207 /* provide a default scaler if not set by caller */
1208
2/2
✓ Branch 0 taken 5673 times.
✓ Branch 1 taken 63207 times.
 68880 if (!i) {
1209
3/4
✓ Branch 0 taken 2 times.
✓ Branch 1 taken 5671 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 2 times.
 5673 if (dstW < srcW && dstH < srcH)
1210 ✗ i = SWS_BICUBIC;
1211
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 5673 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 5673 else if (dstW > srcW && dstH > srcH)
1212 ✗ i = SWS_BICUBIC;
1213 else
1214 5673 i = SWS_BICUBIC;
1215 5673 flags |= i;
1216 5673 sws->flags = flags;
1217
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 63207 times.
 63207 } else if (i & (i - 1)) {
1218 ✗ av_log(c, AV_LOG_ERROR,
1219 "Exactly one scaler algorithm must be chosen, got %X\n", i);
1220 ✗ return AVERROR(EINVAL);
1221 }
1222
1223
2/2
✓ Branch 0 taken 2 times.
✓ Branch 1 taken 68878 times.
 68880 if (i == SWS_FAST_BILINEAR) {
1224 /* the fast bilinear scalers keep the source position in 16.16 fixed point */
1225
4/6
✓ Branch 0 taken 2 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 2 times.
✗ Branch 3 not taken.
✓ Branch 4 taken 1 times.
✓ Branch 5 taken 1 times.
 2 if (srcW < 8 || dstW <= 8 || srcW >= 65536) {
1226 1 i = SWS_BILINEAR;
1227 1 flags ^= SWS_FAST_BILINEAR | i;
1228 1 sws->flags = flags;
1229 }
1230 }
1231
1232
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 68879 times.
 68880 SwsScaler scaler_sub = sws->scaler_sub ? sws->scaler_sub : sws->scaler;
1233
2/2
✓ Branch 0 taken 68879 times.
✓ Branch 1 taken 1 times.
 68880 int lum_scaler = scaler_flag(sws->scaler, i == SWS_BICUBLIN ? SWS_BICUBIC : i);
1234
2/2
✓ Branch 0 taken 68879 times.
✓ Branch 1 taken 1 times.
 68880 int chr_scaler = scaler_flag(scaler_sub, i == SWS_BICUBLIN ? SWS_BILINEAR : i);
1235
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 68878 times.
 68879 const int info_scaler = sws->scaler == SWS_SCALE_AUTO &&
1236
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1 times.
 1 i == SWS_BICUBLIN &&
1237
2/2
✓ Branch 0 taken 68879 times.
✓ Branch 1 taken 1 times.
 137759 chr_scaler == SWS_BILINEAR ? i : lum_scaler;
1238
1239 /* sanity check */
1240
4/8
✓ Branch 0 taken 68880 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 68880 times.
✗ Branch 3 not taken.
✓ Branch 4 taken 68880 times.
✗ Branch 5 not taken.
✗ Branch 6 not taken.
✓ Branch 7 taken 68880 times.
 68880 if (srcW < 1 || srcH < 1 || dstW < 1 || dstH < 1) {
1241 /* FIXME check if these are enough and try to lower them after
1242 * fixing the relevant parts of the code */
1243 ✗ av_log(c, AV_LOG_ERROR, "%dx%d -> %dx%d is invalid scaling dimension\n",
1244 srcW, srcH, dstW, dstH);
1245 ✗ return AVERROR(EINVAL);
1246 }
1247
1248 68880 ret = av_image_check_size2(srcW, srcH, INT64_MAX, AV_PIX_FMT_NONE, 0, c);
1249
1/2
✓ Branch 0 taken 68880 times.
✗ Branch 1 not taken.
 68880 if (ret >= 0)
1250 68880 ret = av_image_check_size2(dstW, dstH, INT64_MAX, AV_PIX_FMT_NONE, 0, c);
1251
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 68880 times.
 68880 if (ret < 0)
1252 ✗ return ret;
1253
1254
1/2
✓ Branch 0 taken 68880 times.
✗ Branch 1 not taken.
 68880 if (!dstFilter)
1255 68880 dstFilter = &dummyFilter;
1256
1/2
✓ Branch 0 taken 68880 times.
✗ Branch 1 not taken.
 68880 if (!srcFilter)
1257 68880 srcFilter = &dummyFilter;
1258
1259 68880 int64_t lumXInc = (((int64_t)srcW << 16) + (dstW >> 1)) / dstW;
1260 68880 int64_t lumYInc = (((int64_t)srcH << 16) + (dstH >> 1)) / dstH;
1261 68880 c->dstFormatBpp = av_get_bits_per_pixel(desc_dst);
1262 68880 c->srcFormatBpp = av_get_bits_per_pixel(desc_src);
1263 68880 c->vRounder = 4 * 0x0001000100010001ULL;
1264
1265 ✗ usesVFilter = (srcFilter->lumV && srcFilter->lumV->length > 1) ||
1266
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 68880 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 68880 (srcFilter->chrV && srcFilter->chrV->length > 1) ||
1267
2/6
✗ Branch 0 not taken.
✓ Branch 1 taken 68880 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 68880 times.
✗ Branch 4 not taken.
✗ Branch 5 not taken.
 206640 (dstFilter->lumV && dstFilter->lumV->length > 1) ||
1268
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 68880 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 68880 (dstFilter->chrV && dstFilter->chrV->length > 1);
1269 ✗ usesHFilter = (srcFilter->lumH && srcFilter->lumH->length > 1) ||
1270
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 68880 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 68880 (srcFilter->chrH && srcFilter->chrH->length > 1) ||
1271
2/6
✗ Branch 0 not taken.
✓ Branch 1 taken 68880 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 68880 times.
✗ Branch 4 not taken.
✗ Branch 5 not taken.
 206640 (dstFilter->lumH && dstFilter->lumH->length > 1) ||
1272
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 68880 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 68880 (dstFilter->chrH && dstFilter->chrH->length > 1);
1273
1274 68880 av_pix_fmt_get_chroma_sub_sample(srcFormat, &c->chrSrcHSubSample, &c->chrSrcVSubSample);
1275 68880 av_pix_fmt_get_chroma_sub_sample(dstFormat, &c->chrDstHSubSample, &c->chrDstVSubSample);
1276
1277 68880 c->dst_slice_align = 1 << c->chrDstVSubSample;
1278
1279
4/4
✓ Branch 1 taken 16354 times.
✓ Branch 2 taken 52526 times.
✓ Branch 3 taken 9275 times.
✓ Branch 4 taken 7079 times.
 68880 if (isAnyRGB(dstFormat) && !(flags&SWS_FULL_CHR_H_INT)) {
1280
2/2
✓ Branch 0 taken 50 times.
✓ Branch 1 taken 9225 times.
 9275 if (dstW&1) {
1281 50 av_log(c, AV_LOG_DEBUG, "Forcing full internal H chroma due to odd output size\n");
1282 50 flags |= SWS_FULL_CHR_H_INT;
1283 50 sws->flags = flags;
1284 }
1285
1286
2/2
✓ Branch 0 taken 1493 times.
✓ Branch 1 taken 7782 times.
 9275 if ( c->chrSrcHSubSample == 0
1287
2/2
✓ Branch 0 taken 1355 times.
✓ Branch 1 taken 138 times.
 1493 && c->chrSrcVSubSample == 0
1288
1/2
✓ Branch 0 taken 1355 times.
✗ Branch 1 not taken.
 1355 && sws->dither != SWS_DITHER_BAYER //SWS_FULL_CHR_H_INT is currently not supported with SWS_DITHER_BAYER
1289
1/2
✓ Branch 0 taken 1355 times.
✗ Branch 1 not taken.
 1355 && !(sws->flags & SWS_FAST_BILINEAR)
1290 ) {
1291 1355 av_log(c, AV_LOG_DEBUG, "Forcing full internal H chroma due to input having non subsampled chroma\n");
1292 1355 flags |= SWS_FULL_CHR_H_INT;
1293 1355 sws->flags = flags;
1294 }
1295 }
1296
1297
2/2
✓ Branch 0 taken 57960 times.
✓ Branch 1 taken 10920 times.
 68880 if (sws->dither == SWS_DITHER_AUTO) {
1298
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 57960 times.
 57960 if (flags & SWS_ERROR_DIFFUSION)
1299 ✗ sws->dither = SWS_DITHER_ED;
1300 }
1301
1302
4/4
✓ Branch 0 taken 68822 times.
✓ Branch 1 taken 58 times.
✓ Branch 2 taken 68763 times.
✓ Branch 3 taken 59 times.
 68880 if(dstFormat == AV_PIX_FMT_BGR4_BYTE ||
1303
2/2
✓ Branch 0 taken 68688 times.
✓ Branch 1 taken 75 times.
 68763 dstFormat == AV_PIX_FMT_RGB4_BYTE ||
1304
2/2
✓ Branch 0 taken 61 times.
✓ Branch 1 taken 68627 times.
 68688 dstFormat == AV_PIX_FMT_BGR8 ||
1305 dstFormat == AV_PIX_FMT_RGB8) {
1306
1/2
✓ Branch 0 taken 253 times.
✗ Branch 1 not taken.
 253 if (sws->dither == SWS_DITHER_AUTO)
1307
2/2
✓ Branch 0 taken 19 times.
✓ Branch 1 taken 234 times.
 253 sws->dither = (flags & SWS_FULL_CHR_H_INT) ? SWS_DITHER_ED : SWS_DITHER_BAYER;
1308
2/2
✓ Branch 0 taken 234 times.
✓ Branch 1 taken 19 times.
 253 if (!(flags & SWS_FULL_CHR_H_INT)) {
1309
4/8
✓ Branch 0 taken 234 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 234 times.
✗ Branch 3 not taken.
✓ Branch 4 taken 234 times.
✗ Branch 5 not taken.
✗ Branch 6 not taken.
✓ Branch 7 taken 234 times.
 234 if (sws->dither == SWS_DITHER_ED || sws->dither == SWS_DITHER_A_DITHER || sws->dither == SWS_DITHER_X_DITHER || sws->dither == SWS_DITHER_NONE) {
1310 ✗ av_log(c, AV_LOG_DEBUG,
1311 "Desired dithering only supported in full chroma interpolation for destination format '%s'\n",
1312 av_get_pix_fmt_name(dstFormat));
1313 ✗ flags |= SWS_FULL_CHR_H_INT;
1314 ✗ sws->flags = flags;
1315 }
1316 }
1317
2/2
✓ Branch 0 taken 19 times.
✓ Branch 1 taken 234 times.
 253 if (flags & SWS_FULL_CHR_H_INT) {
1318
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 19 times.
 19 if (sws->dither == SWS_DITHER_BAYER) {
1319 ✗ av_log(c, AV_LOG_DEBUG,
1320 "Ordered dither is not supported in full chroma interpolation for destination format '%s'\n",
1321 av_get_pix_fmt_name(dstFormat));
1322 ✗ sws->dither = SWS_DITHER_ED;
1323 }
1324 }
1325 }
1326
2/2
✓ Branch 1 taken 5190 times.
✓ Branch 2 taken 63690 times.
 68880 if (isPlanarRGB(dstFormat)) {
1327
2/2
✓ Branch 0 taken 816 times.
✓ Branch 1 taken 4374 times.
 5190 if (!(flags & SWS_FULL_CHR_H_INT)) {
1328 816 av_log(c, AV_LOG_DEBUG,
1329 "%s output is not supported with half chroma resolution, switching to full\n",
1330 av_get_pix_fmt_name(dstFormat));
1331 816 flags |= SWS_FULL_CHR_H_INT;
1332 816 sws->flags = flags;
1333 }
1334 }
1335
1336 /* reuse chroma for 2 pixels RGB/BGR unless user wants full
1337 * chroma interpolation */
1338
3/4
✓ Branch 0 taken 9254 times.
✓ Branch 1 taken 59626 times.
✓ Branch 2 taken 9254 times.
✗ Branch 3 not taken.
 78134 if (flags & SWS_FULL_CHR_H_INT &&
1339
2/2
✓ Branch 1 taken 4064 times.
✓ Branch 2 taken 5190 times.
 18508 isAnyRGB(dstFormat) &&
1340
2/2
✓ Branch 1 taken 4060 times.
✓ Branch 2 taken 4 times.
 13318 !isPlanarRGB(dstFormat) &&
1341
2/2
✓ Branch 0 taken 4057 times.
✓ Branch 1 taken 3 times.
 4060 dstFormat != AV_PIX_FMT_RGBA64LE &&
1342
2/2
✓ Branch 0 taken 4053 times.
✓ Branch 1 taken 4 times.
 4057 dstFormat != AV_PIX_FMT_RGBA64BE &&
1343
2/2
✓ Branch 0 taken 4050 times.
✓ Branch 1 taken 3 times.
 4053 dstFormat != AV_PIX_FMT_BGRA64LE &&
1344
2/2
✓ Branch 0 taken 3294 times.
✓ Branch 1 taken 756 times.
 4050 dstFormat != AV_PIX_FMT_BGRA64BE &&
1345
2/2
✓ Branch 0 taken 3289 times.
✓ Branch 1 taken 5 times.
 3294 dstFormat != AV_PIX_FMT_RGB48LE &&
1346
2/2
✓ Branch 0 taken 3285 times.
✓ Branch 1 taken 4 times.
 3289 dstFormat != AV_PIX_FMT_RGB48BE &&
1347
2/2
✓ Branch 0 taken 3282 times.
✓ Branch 1 taken 3 times.
 3285 dstFormat != AV_PIX_FMT_BGR48LE &&
1348
2/2
✓ Branch 0 taken 3205 times.
✓ Branch 1 taken 77 times.
 3282 dstFormat != AV_PIX_FMT_BGR48BE &&
1349
2/2
✓ Branch 0 taken 3187 times.
✓ Branch 1 taken 18 times.
 3205 dstFormat != AV_PIX_FMT_RGBA &&
1350
2/2
✓ Branch 0 taken 2643 times.
✓ Branch 1 taken 544 times.
 3187 dstFormat != AV_PIX_FMT_ARGB &&
1351
2/2
✓ Branch 0 taken 2635 times.
✓ Branch 1 taken 8 times.
 2643 dstFormat != AV_PIX_FMT_BGRA &&
1352
2/2
✓ Branch 0 taken 873 times.
✓ Branch 1 taken 1762 times.
 2635 dstFormat != AV_PIX_FMT_ABGR &&
1353
2/2
✓ Branch 0 taken 731 times.
✓ Branch 1 taken 142 times.
 873 dstFormat != AV_PIX_FMT_RGB24 &&
1354
2/2
✓ Branch 0 taken 727 times.
✓ Branch 1 taken 4 times.
 731 dstFormat != AV_PIX_FMT_BGR24 &&
1355
2/2
✓ Branch 0 taken 723 times.
✓ Branch 1 taken 4 times.
 727 dstFormat != AV_PIX_FMT_BGR4_BYTE &&
1356
2/2
✓ Branch 0 taken 717 times.
✓ Branch 1 taken 6 times.
 723 dstFormat != AV_PIX_FMT_RGB4_BYTE &&
1357
2/2
✓ Branch 0 taken 712 times.
✓ Branch 1 taken 5 times.
 717 dstFormat != AV_PIX_FMT_BGR8 &&
1358
2/2
✓ Branch 0 taken 599 times.
✓ Branch 1 taken 113 times.
 712 dstFormat != AV_PIX_FMT_RGB8 &&
1359
2/2
✓ Branch 0 taken 486 times.
✓ Branch 1 taken 113 times.
 599 dstFormat != AV_PIX_FMT_X2RGB10LE &&
1360 dstFormat != AV_PIX_FMT_X2BGR10LE
1361 ) {
1362 486 av_log(c, AV_LOG_WARNING,
1363 "full chroma interpolation for destination format '%s' not yet implemented\n",
1364 av_get_pix_fmt_name(dstFormat));
1365 486 flags &= ~SWS_FULL_CHR_H_INT;
1366 486 sws->flags = flags;
1367 }
1368
4/4
✓ Branch 1 taken 16354 times.
✓ Branch 2 taken 52526 times.
✓ Branch 3 taken 7586 times.
✓ Branch 4 taken 8768 times.
 68880 if (isAnyRGB(dstFormat) && !(flags & SWS_FULL_CHR_H_INT))
1369 7586 c->chrDstHSubSample = 1;
1370
1371 // drop some chroma lines if the user wants it
1372 68880 c->vChrDrop = (flags & SWS_SRC_V_CHR_DROP_MASK) >>
1373 SWS_SRC_V_CHR_DROP_SHIFT;
1374 68880 c->chrSrcVSubSample += c->vChrDrop;
1375
1376 /* drop every other pixel for chroma calculation unless user
1377 * wants full chroma */
1378
7/8
✓ Branch 1 taken 26491 times.
✓ Branch 2 taken 42389 times.
✓ Branch 3 taken 26128 times.
✓ Branch 4 taken 363 times.
✓ Branch 5 taken 26128 times.
✗ Branch 6 not taken.
✓ Branch 7 taken 25847 times.
✓ Branch 8 taken 281 times.
 68880 if (isAnyRGB(srcFormat) && !(srcW & 1) && !(flags & SWS_FULL_CHR_H_INP) &&
1379
3/4
✓ Branch 0 taken 25545 times.
✓ Branch 1 taken 302 times.
✓ Branch 2 taken 25545 times.
✗ Branch 3 not taken.
 25847 srcFormat != AV_PIX_FMT_RGB8 && srcFormat != AV_PIX_FMT_BGR8 &&
1380
3/4
✓ Branch 0 taken 25545 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 25246 times.
✓ Branch 3 taken 299 times.
 25545 srcFormat != AV_PIX_FMT_RGB4 && srcFormat != AV_PIX_FMT_BGR4 &&
1381
4/4
✓ Branch 0 taken 24967 times.
✓ Branch 1 taken 279 times.
✓ Branch 2 taken 24683 times.
✓ Branch 3 taken 284 times.
 25246 srcFormat != AV_PIX_FMT_RGB4_BYTE && srcFormat != AV_PIX_FMT_BGR4_BYTE &&
1382
4/4
✓ Branch 0 taken 24389 times.
✓ Branch 1 taken 294 times.
✓ Branch 2 taken 23978 times.
✓ Branch 3 taken 411 times.
 24683 srcFormat != AV_PIX_FMT_GBRP9BE && srcFormat != AV_PIX_FMT_GBRP9LE &&
1383
4/4
✓ Branch 0 taken 22635 times.
✓ Branch 1 taken 1343 times.
✓ Branch 2 taken 22363 times.
✓ Branch 3 taken 272 times.
 23978 srcFormat != AV_PIX_FMT_GBRP10BE && srcFormat != AV_PIX_FMT_GBRP10LE &&
1384
4/4
✓ Branch 0 taken 22079 times.
✓ Branch 1 taken 284 times.
✓ Branch 2 taken 21789 times.
✓ Branch 3 taken 290 times.
 22363 srcFormat != AV_PIX_FMT_GBRP10MSBBE && srcFormat != AV_PIX_FMT_GBRP10MSBLE &&
1385
4/4
✓ Branch 0 taken 21508 times.
✓ Branch 1 taken 281 times.
✓ Branch 2 taken 21128 times.
✓ Branch 3 taken 380 times.
 21789 srcFormat != AV_PIX_FMT_GBRAP10BE && srcFormat != AV_PIX_FMT_GBRAP10LE &&
1386
4/4
✓ Branch 0 taken 19786 times.
✓ Branch 1 taken 1342 times.
✓ Branch 2 taken 19486 times.
✓ Branch 3 taken 300 times.
 21128 srcFormat != AV_PIX_FMT_GBRP12BE && srcFormat != AV_PIX_FMT_GBRP12LE &&
1387
4/4
✓ Branch 0 taken 19202 times.
✓ Branch 1 taken 284 times.
✓ Branch 2 taken 18938 times.
✓ Branch 3 taken 264 times.
 19486 srcFormat != AV_PIX_FMT_GBRP12MSBBE && srcFormat != AV_PIX_FMT_GBRP12MSBLE &&
1388
4/4
✓ Branch 0 taken 18643 times.
✓ Branch 1 taken 295 times.
✓ Branch 2 taken 18367 times.
✓ Branch 3 taken 276 times.
 18938 srcFormat != AV_PIX_FMT_GBRAP12BE && srcFormat != AV_PIX_FMT_GBRAP12LE &&
1389
4/4
✓ Branch 0 taken 18092 times.
✓ Branch 1 taken 275 times.
✓ Branch 2 taken 17827 times.
✓ Branch 3 taken 265 times.
 18367 srcFormat != AV_PIX_FMT_GBRAP14BE && srcFormat != AV_PIX_FMT_GBRAP14LE &&
1390
4/4
✓ Branch 0 taken 17533 times.
✓ Branch 1 taken 294 times.
✓ Branch 2 taken 17082 times.
✓ Branch 3 taken 451 times.
 17827 srcFormat != AV_PIX_FMT_GBRP14BE && srcFormat != AV_PIX_FMT_GBRP14LE &&
1391
4/4
✓ Branch 0 taken 16453 times.
✓ Branch 1 taken 629 times.
✓ Branch 2 taken 16156 times.
✓ Branch 3 taken 297 times.
 17082 srcFormat != AV_PIX_FMT_GBRP16BE && srcFormat != AV_PIX_FMT_GBRP16LE &&
1392
4/4
✓ Branch 0 taken 15834 times.
✓ Branch 1 taken 322 times.
✓ Branch 2 taken 15833 times.
✓ Branch 3 taken 1 times.
 16156 srcFormat != AV_PIX_FMT_GBRAP16BE && srcFormat != AV_PIX_FMT_GBRAP16LE &&
1393
4/4
✓ Branch 0 taken 15797 times.
✓ Branch 1 taken 36 times.
✓ Branch 2 taken 15796 times.
✓ Branch 3 taken 1 times.
 15833 srcFormat != AV_PIX_FMT_GBRPF32BE && srcFormat != AV_PIX_FMT_GBRPF32LE &&
1394
3/4
✓ Branch 0 taken 15795 times.
✓ Branch 1 taken 1 times.
✓ Branch 2 taken 15795 times.
✗ Branch 3 not taken.
 15796 srcFormat != AV_PIX_FMT_GBRAPF32BE && srcFormat != AV_PIX_FMT_GBRAPF32LE &&
1395
3/4
✓ Branch 0 taken 15576 times.
✓ Branch 1 taken 219 times.
✓ Branch 2 taken 15576 times.
✗ Branch 3 not taken.
 15795 srcFormat != AV_PIX_FMT_GBRPF16BE && srcFormat != AV_PIX_FMT_GBRPF16LE &&
1396
2/2
✓ Branch 0 taken 15531 times.
✓ Branch 1 taken 45 times.
 15576 srcFormat != AV_PIX_FMT_GBRAPF16BE && srcFormat != AV_PIX_FMT_GBRAPF16LE &&
1397
2/2
✓ Branch 0 taken 14034 times.
✓ Branch 1 taken 1497 times.
 15531 ((dstW >> c->chrDstHSubSample) <= (srcW >> 1) ||
1398
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 14034 times.
 14034 (flags & SWS_FAST_BILINEAR)))
1399 1497 c->chrSrcHSubSample = 1;
1400
1401 // Note the AV_CEIL_RSHIFT is so that we always round toward +inf.
1402 68880 c->chrSrcW = AV_CEIL_RSHIFT(srcW, c->chrSrcHSubSample);
1403 68880 c->chrSrcH = AV_CEIL_RSHIFT(srcH, c->chrSrcVSubSample);
1404 68880 c->chrDstW = AV_CEIL_RSHIFT(dstW, c->chrDstHSubSample);
1405 68880 c->chrDstH = AV_CEIL_RSHIFT(dstH, c->chrDstVSubSample);
1406
1407
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 68880 times.
 68880 if (!FF_ALLOCZ_TYPED_ARRAY(c->formatConvBuffer, FFALIGN(srcW * 2 + 78, 16) * 2))
1408 ✗ goto nomem;
1409
1410 68880 c->srcBpc = desc_src->comp[0].depth;
1411
2/2
✓ Branch 0 taken 5844 times.
✓ Branch 1 taken 63036 times.
 68880 if (c->srcBpc < 8)
1412 5844 c->srcBpc = 8;
1413 68880 c->dstBpc = desc_dst->comp[0].depth;
1414
2/2
✓ Branch 0 taken 3776 times.
✓ Branch 1 taken 65104 times.
 68880 if (c->dstBpc < 8)
1415 3776 c->dstBpc = 8;
1416
4/4
✓ Branch 1 taken 42389 times.
✓ Branch 2 taken 26491 times.
✓ Branch 3 taken 827 times.
✓ Branch 4 taken 41562 times.
 68880 if (isAnyRGB(srcFormat) || srcFormat == AV_PIX_FMT_PAL8)
1417 27318 c->srcBpc = 16;
1418
2/2
✓ Branch 0 taken 5489 times.
✓ Branch 1 taken 63391 times.
 68880 if (c->dstBpc == 16)
1419 5489 dst_stride <<= 1;
1420
1421
6/6
✓ Branch 0 taken 38436 times.
✓ Branch 1 taken 30444 times.
✓ Branch 2 taken 8193 times.
✓ Branch 3 taken 30243 times.
✓ Branch 4 taken 7856 times.
✓ Branch 5 taken 337 times.
 68880 if (INLINE_MMXEXT(cpu_flags) && c->srcBpc == 8 && c->dstBpc <= 14) {
1422
2/2
✓ Branch 0 taken 5035 times.
✓ Branch 1 taken 2220 times.
 7255 c->canMMXEXTBeUsed = dstW >= srcW && (dstW & 31) == 0 &&
1423
4/4
✓ Branch 0 taken 7255 times.
✓ Branch 1 taken 601 times.
✓ Branch 2 taken 4955 times.
✓ Branch 3 taken 80 times.
 20066 c->chrDstW >= c->chrSrcW &&
1424
1/2
✓ Branch 0 taken 4955 times.
✗ Branch 1 not taken.
 4955 (srcW & 15) == 0;
1425
8/8
✓ Branch 0 taken 2901 times.
✓ Branch 1 taken 4955 times.
✓ Branch 2 taken 2300 times.
✓ Branch 3 taken 601 times.
✓ Branch 4 taken 2172 times.
✓ Branch 5 taken 128 times.
✓ Branch 6 taken 372 times.
✓ Branch 7 taken 1800 times.
 7856 if (!c->canMMXEXTBeUsed && dstW >= srcW && c->chrDstW >= c->chrSrcW && (srcW & 15) == 0
1426
1427
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 372 times.
 372 && (flags & SWS_FAST_BILINEAR)) {
1428 ✗ if (flags & SWS_PRINT_INFO)
1429 ✗ av_log(c, AV_LOG_INFO,
1430 "output width is not a multiple of 32 -> no MMXEXT scaler\n");
1431 }
1432
4/8
✓ Branch 0 taken 7856 times.
✗ Branch 1 not taken.
✓ Branch 3 taken 7856 times.
✗ Branch 4 not taken.
✓ Branch 6 taken 7856 times.
✗ Branch 7 not taken.
✗ Branch 9 not taken.
✓ Branch 10 taken 7856 times.
 7856 if (usesHFilter || isNBPS(sws->src_format) || is16BPS(sws->src_format) || isAnyRGB(sws->src_format))
1433 ✗ c->canMMXEXTBeUsed = 0;
1434 } else
1435 61024 c->canMMXEXTBeUsed = 0;
1436
1437 68880 int64_t chrXInc = (((int64_t)c->chrSrcW << 16) + (c->chrDstW >> 1)) / c->chrDstW;
1438 68880 int64_t chrYInc = (((int64_t)c->chrSrcH << 16) + (c->chrDstH >> 1)) / c->chrDstH;
1439
1440 /* Match pixel 0 of the src to pixel 0 of dst and match pixel n-2 of src
1441 * to pixel n-2 of dst, but only for the FAST_BILINEAR mode otherwise do
1442 * correct scaling.
1443 * n-2 is the last chrominance sample available.
1444 * This is not perfect, but no one should notice the difference, the more
1445 * correct variant would be like the vertical one, but that would require
1446 * some special code for the first and last pixel */
1447
2/2
✓ Branch 0 taken 1 times.
✓ Branch 1 taken 68879 times.
 68880 if (flags & SWS_FAST_BILINEAR) {
1448
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 1 times.
 1 if (c->canMMXEXTBeUsed) {
1449 ✗ lumXInc += 1;
1450 ✗ chrXInc += 1;
1451 }
1452 // we don't use the x86 asm scaler if MMX is available
1453
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 1 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 1 else if (INLINE_MMX(cpu_flags) && c->dstBpc <= 14) {
1454 ✗ lumXInc = ((int64_t)(srcW - 2) << 16) / (dstW - 2) - 20;
1455 ✗ chrXInc = ((int64_t)(c->chrSrcW - 2) << 16) / (c->chrDstW - 2) - 20;
1456 }
1457 }
1458
3/6
✓ Branch 0 taken 68880 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 68880 times.
✗ Branch 3 not taken.
✓ Branch 4 taken 68880 times.
✗ Branch 5 not taken.
 68880 if (chrXInc < 10 || chrXInc > INT_MAX ||
1459
2/4
✓ Branch 0 taken 68880 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 68880 times.
✗ Branch 3 not taken.
 68880 chrYInc < 10 || chrYInc > INT_MAX ||
1460
2/4
✓ Branch 0 taken 68880 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 68880 times.
✗ Branch 3 not taken.
 68880 lumXInc < 10 || lumXInc > INT_MAX ||
1461
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 68880 times.
 68880 lumYInc < 10 || lumYInc > INT_MAX)
1462 ✗ return AVERROR_PATCHWELCOME;
1463
1464 68880 c->lumXInc = lumXInc;
1465 68880 c->lumYInc = lumYInc;
1466 68880 c->chrXInc = chrXInc;
1467 68880 c->chrYInc = chrYInc;
1468
1469
1470 // hardcoded for now
1471 68880 c->gamma_value = 2.2;
1472 68880 tmpFmt = AV_PIX_FMT_RGBA64LE;
1473
1474
3/8
✓ Branch 0 taken 18960 times.
✓ Branch 1 taken 49920 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 18960 times.
✗ Branch 4 not taken.
✗ Branch 5 not taken.
✗ Branch 6 not taken.
✗ Branch 7 not taken.
 68880 if (!unscaled && sws->gamma_flag && (srcFormat != tmpFmt || dstFormat != tmpFmt)) {
1475 SwsInternal *c2;
1476 ✗ c->cascaded_context[0] = NULL;
1477
1478 ✗ ret = av_image_alloc(c->cascaded_tmp[0], c->cascaded_tmpStride[0],
1479 srcW, srcH, tmpFmt, 64);
1480 ✗ if (ret < 0)
1481 ✗ return ret;
1482
1483 ✗ c->cascaded_context[0] = sws_getContext(srcW, srcH, srcFormat,
1484 srcW, srcH, tmpFmt,
1485 flags, NULL, NULL,
1486 ✗ sws->scaler_params);
1487 ✗ if (!c->cascaded_context[0]) {
1488 ✗ return AVERROR(ENOMEM);
1489 }
1490
1491 ✗ c->cascaded_context[1] = sws_getContext(srcW, srcH, tmpFmt,
1492 dstW, dstH, tmpFmt,
1493 flags, srcFilter, dstFilter,
1494 ✗ sws->scaler_params);
1495
1496 ✗ if (!c->cascaded_context[1])
1497 ✗ return AVERROR(ENOMEM);
1498
1499 ✗ c2 = sws_internal(c->cascaded_context[1]);
1500 ✗ c2->is_internal_gamma = 1;
1501 ✗ c2->gamma = alloc_gamma_tbl( c->gamma_value);
1502 ✗ c2->inv_gamma = alloc_gamma_tbl(1.f/c->gamma_value);
1503 ✗ if (!c2->gamma || !c2->inv_gamma)
1504 ✗ return AVERROR(ENOMEM);
1505
1506 // is_internal_flag is set after creating the context
1507 // to properly create the gamma convert FilterDescriptor
1508 // we have to re-initialize it
1509 ✗ ff_free_filters(c2);
1510 ✗ if ((ret = ff_init_filters(c2)) < 0) {
1511 ✗ sws_freeContext(c->cascaded_context[1]);
1512 ✗ c->cascaded_context[1] = NULL;
1513 ✗ return ret;
1514 }
1515
1516 ✗ c->cascaded_context[2] = NULL;
1517 ✗ if (dstFormat != tmpFmt) {
1518 ✗ ret = av_image_alloc(c->cascaded_tmp[1], c->cascaded_tmpStride[1],
1519 dstW, dstH, tmpFmt, 64);
1520 ✗ if (ret < 0)
1521 ✗ return ret;
1522
1523 ✗ c->cascaded_context[2] = sws_getContext(dstW, dstH, tmpFmt,
1524 dstW, dstH, dstFormat,
1525 flags, NULL, NULL,
1526 ✗ sws->scaler_params);
1527 ✗ if (!c->cascaded_context[2])
1528 ✗ return AVERROR(ENOMEM);
1529 }
1530 ✗ return 0;
1531 }
1532
1533
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 68880 times.
 68880 if (isBayer(srcFormat)) {
1534 ✗ if (!unscaled ||
1535 ✗ (dstFormat != AV_PIX_FMT_RGB24 && dstFormat != AV_PIX_FMT_YUV420P &&
1536 dstFormat != AV_PIX_FMT_RGB48)) {
1537 ✗ enum AVPixelFormat tmpFormat = isBayer16BPS(srcFormat) ? AV_PIX_FMT_RGB48 : AV_PIX_FMT_RGB24;
1538
1539 ✗ ret = av_image_alloc(c->cascaded_tmp[0], c->cascaded_tmpStride[0],
1540 srcW, srcH, tmpFormat, 64);
1541 ✗ if (ret < 0)
1542 ✗ return ret;
1543
1544 ✗ c->cascaded_context[0] = sws_getContext(srcW, srcH, srcFormat,
1545 srcW, srcH, tmpFormat,
1546 flags, srcFilter, NULL,
1547 ✗ sws->scaler_params);
1548 ✗ if (!c->cascaded_context[0])
1549 ✗ return AVERROR(ENOMEM);
1550
1551 ✗ c->cascaded_context[1] = sws_getContext(srcW, srcH, tmpFormat,
1552 dstW, dstH, dstFormat,
1553 flags, NULL, dstFilter,
1554 ✗ sws->scaler_params);
1555 ✗ if (!c->cascaded_context[1])
1556 ✗ return AVERROR(ENOMEM);
1557 ✗ return 0;
1558 }
1559 }
1560
1561
6/6
✓ Branch 0 taken 49920 times.
✓ Branch 1 taken 18960 times.
✓ Branch 2 taken 15520 times.
✓ Branch 3 taken 34400 times.
✓ Branch 4 taken 17 times.
✓ Branch 5 taken 15503 times.
 68880 if (unscaled && c->srcBpc == 8 && dstFormat == AV_PIX_FMT_GRAYF32){
1562
2/2
✓ Branch 0 taken 4352 times.
✓ Branch 1 taken 17 times.
 4369 for (i = 0; i < 256; ++i){
1563 4352 c->uint2float_lut[i] = (float)i * float_mult;
1564 }
1565 }
1566
1567 // float will be converted to uint16_t
1568
6/6
✓ Branch 1 taken 453 times.
✓ Branch 2 taken 68427 times.
✓ Branch 4 taken 30 times.
✓ Branch 5 taken 423 times.
✓ Branch 6 taken 28 times.
✓ Branch 7 taken 2 times.
 68880 if (isFloat(srcFormat) && !isAnyRGB(srcFormat) &&
1569
5/8
✓ Branch 0 taken 28 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 28 times.
✗ Branch 3 not taken.
✓ Branch 4 taken 1 times.
✓ Branch 5 taken 27 times.
✓ Branch 6 taken 1 times.
✗ Branch 7 not taken.
 28 (!unscaled || unscaled && dstFormat != srcFormat && (srcFormat != AV_PIX_FMT_GRAYF32 ||
1570 dstFormat != AV_PIX_FMT_GRAY8))){
1571 30 c->srcBpc = 16;
1572 }
1573
1574
4/4
✓ Branch 1 taken 13762 times.
✓ Branch 2 taken 55118 times.
✓ Branch 4 taken 1873 times.
✓ Branch 5 taken 11889 times.
 68880 if (CONFIG_SWSCALE_ALPHA && isALPHA(srcFormat) && !isALPHA(dstFormat)) {
1575 1873 enum AVPixelFormat tmpFormat = alphaless_fmt(srcFormat);
1576
1577
3/4
✓ Branch 0 taken 1131 times.
✓ Branch 1 taken 742 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 1131 times.
 1873 if (tmpFormat != AV_PIX_FMT_NONE && sws->alpha_blend != SWS_ALPHA_BLEND_NONE) {
1578 ✗ if (!unscaled ||
1579 ✗ dstFormat != tmpFormat ||
1580 ✗ usesHFilter || usesVFilter ||
1581 ✗ sws->src_range != sws->dst_range
1582 ) {
1583 ✗ c->cascaded_mainindex = 1;
1584 ✗ ret = av_image_alloc(c->cascaded_tmp[0], c->cascaded_tmpStride[0],
1585 srcW, srcH, tmpFormat, 64);
1586 ✗ if (ret < 0)
1587 ✗ return ret;
1588
1589 ✗ c->cascaded_context[0] = alloc_set_opts(srcW, srcH, srcFormat,
1590 srcW, srcH, tmpFormat,
1591 ✗ flags, sws->scaler_params);
1592 ✗ if (!c->cascaded_context[0])
1593 ✗ return AVERROR(EINVAL);
1594 ✗ c->cascaded_context[0]->alpha_blend = sws->alpha_blend;
1595 ✗ ret = sws_init_context(c->cascaded_context[0], NULL , NULL);
1596 ✗ if (ret < 0)
1597 ✗ return ret;
1598
1599 ✗ c->cascaded_context[1] = alloc_set_opts(srcW, srcH, tmpFormat,
1600 dstW, dstH, dstFormat,
1601 ✗ flags, sws->scaler_params);
1602 ✗ if (!c->cascaded_context[1])
1603 ✗ return AVERROR(EINVAL);
1604
1605 ✗ c->cascaded_context[1]->src_range = sws->src_range;
1606 ✗ c->cascaded_context[1]->dst_range = sws->dst_range;
1607 ✗ ret = sws_init_context(c->cascaded_context[1], srcFilter , dstFilter);
1608 ✗ if (ret < 0)
1609 ✗ return ret;
1610
1611 ✗ return 0;
1612 }
1613 }
1614 }
1615
1616 /* alpha blend special case, note this has been split via cascaded contexts if its scaled */
1617
4/6
✓ Branch 0 taken 49920 times.
✓ Branch 1 taken 18960 times.
✓ Branch 2 taken 49920 times.
✗ Branch 3 not taken.
✓ Branch 4 taken 49920 times.
✗ Branch 5 not taken.
 68880 if (unscaled && !usesHFilter && !usesVFilter &&
1618
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 49920 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 49920 sws->alpha_blend != SWS_ALPHA_BLEND_NONE &&
1619 ✗ isALPHA(srcFormat) &&
1620 ✗ (sws->src_range == sws->dst_range || isAnyRGB(dstFormat)) &&
1621 ✗ alphaless_fmt(srcFormat) == dstFormat
1622 ) {
1623 ✗ c->convert_unscaled = ff_sws_alphablendaway;
1624
1625 ✗ if (flags & SWS_PRINT_INFO)
1626 ✗ av_log(c, AV_LOG_INFO,
1627 "using alpha blendaway %s -> %s special converter\n",
1628 av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat));
1629 ✗ return 0;
1630 }
1631
1632 /* unscaled special cases */
1633
4/6
✓ Branch 0 taken 49920 times.
✓ Branch 1 taken 18960 times.
✓ Branch 2 taken 49920 times.
✗ Branch 3 not taken.
✓ Branch 4 taken 49920 times.
✗ Branch 5 not taken.
 68880 if (unscaled && !usesHFilter && !usesVFilter &&
1634
5/6
✓ Branch 0 taken 5132 times.
✓ Branch 1 taken 44788 times.
✓ Branch 3 taken 4473 times.
✓ Branch 4 taken 659 times.
✓ Branch 5 taken 4473 times.
✗ Branch 6 not taken.
 54393 (sws->src_range == sws->dst_range || isAnyRGB(dstFormat) ||
1635
2/4
✓ Branch 2 taken 4473 times.
✗ Branch 3 not taken.
✗ Branch 5 not taken.
✓ Branch 6 taken 4473 times.
 8946 isFloat(srcFormat) || isFloat(dstFormat) || isBayer(srcFormat))){
1636
1637 45447 ff_get_unscaled_swscale(c);
1638
1639
2/2
✓ Branch 0 taken 9939 times.
✓ Branch 1 taken 35508 times.
 45447 if (c->convert_unscaled) {
1640
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 9939 times.
 9939 if (flags & SWS_PRINT_INFO)
1641 ✗ av_log(c, AV_LOG_INFO,
1642 "using unscaled %s -> %s special converter\n",
1643 av_get_pix_fmt_name(srcFormat), av_get_pix_fmt_name(dstFormat));
1644 9939 return 0;
1645 }
1646 }
1647
1648 /* precalculate horizontal scaler filter coefficients */
1649 {
1650 #if HAVE_MMXEXT_INLINE
1651 // can't downscale !!!
1652
3/4
✓ Branch 0 taken 3705 times.
✓ Branch 1 taken 55236 times.
✗ Branch 2 not taken.
✓ Branch 3 taken 3705 times.
 58941 if (c->canMMXEXTBeUsed && (flags & SWS_FAST_BILINEAR)) {
1653 ✗ c->lumMmxextFilterCodeSize = ff_init_hscaler_mmxext(dstW, c->lumXInc, NULL,
1654 NULL, NULL, 8);
1655 ✗ c->chrMmxextFilterCodeSize = ff_init_hscaler_mmxext(c->chrDstW, c->chrXInc,
1656 NULL, NULL, NULL, 4);
1657
1658 ✗ c->lumMmxextFilterCode = ff_sws_jit_alloc(c->lumMmxextFilterCodeSize);
1659 ✗ c->chrMmxextFilterCode = ff_sws_jit_alloc(c->chrMmxextFilterCodeSize);
1660 ✗ if (!c->lumMmxextFilterCode || !c->chrMmxextFilterCode) {
1661 ✗ av_log(c, AV_LOG_ERROR, "Failed to allocate MMX2FilterCode\n");
1662 ✗ return AVERROR(ENOMEM);
1663 }
1664
1665 ✗ if (!FF_ALLOCZ_TYPED_ARRAY(c->hLumFilter, dstW / 8 + 8) ||
1666 ✗ !FF_ALLOCZ_TYPED_ARRAY(c->hChrFilter, c->chrDstW / 4 + 8) ||
1667 ✗ !FF_ALLOCZ_TYPED_ARRAY(c->hLumFilterPos, dstW / 2 / 8 + 8) ||
1668 ✗ !FF_ALLOCZ_TYPED_ARRAY(c->hChrFilterPos, c->chrDstW / 2 / 4 + 8))
1669 ✗ goto nomem;
1670
1671 ✗ ff_init_hscaler_mmxext( dstW, c->lumXInc, c->lumMmxextFilterCode,
1672 c->hLumFilter, (uint32_t*)c->hLumFilterPos, 8);
1673 ✗ ff_init_hscaler_mmxext(c->chrDstW, c->chrXInc, c->chrMmxextFilterCode,
1674 c->hChrFilter, (uint32_t*)c->hChrFilterPos, 4);
1675
1676 ✗ if ((ret = ff_sws_jit_protect(c->lumMmxextFilterCode, c->lumMmxextFilterCodeSize)) < 0 ||
1677 ✗ (ret = ff_sws_jit_protect(c->chrMmxextFilterCode, c->chrMmxextFilterCodeSize)) < 0) {
1678 ✗ av_log(c, AV_LOG_ERROR, "mprotect failed, cannot use fast bilinear scaler\n");
1679 ✗ goto fail;
1680 }
1681 } else
1682 #endif /* HAVE_MMXEXT_INLINE */
1683 {
1684
2/2
✓ Branch 0 taken 32923 times.
✓ Branch 1 taken 26018 times.
 58941 const int filterAlign = X86_MMX(cpu_flags) ? 4 :
1685 PPC_ALTIVEC(cpu_flags) ? 8 :
1686 have_neon(cpu_flags) ? 4 :
1687 have_lsx(cpu_flags) ? 8 :
1688 have_lasx(cpu_flags) ? 8 : 1;
1689
1690
1/2
✗ Branch 2 not taken.
✓ Branch 3 taken 58941 times.
 117882 if ((ret = initFilter(&c->hLumFilter, &c->hLumFilterPos,
1691 &c->hLumFilterSize, c->lumXInc,
1692 srcW, dstW, filterAlign, 1 << 14,
1693 lum_scaler, flags,
1694 cpu_flags, srcFilter->lumH, dstFilter->lumH,
1695 58941 sws->scaler_params,
1696 get_local_pos(c, 0, 0, 0),
1697 get_local_pos(c, 0, 0, 0))) < 0)
1698 ✗ goto fail;
1699
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 58941 times.
 58941 if (ff_shuffle_filter_coefficients(c, c->hLumFilterPos, c->hLumFilterSize, c->hLumFilter, dstW) < 0)
1700 ✗ goto nomem;
1701
1/2
✗ Branch 2 not taken.
✓ Branch 3 taken 58941 times.
 117882 if ((ret = initFilter(&c->hChrFilter, &c->hChrFilterPos,
1702 &c->hChrFilterSize, c->chrXInc,
1703 c->chrSrcW, c->chrDstW, filterAlign, 1 << 14,
1704 chr_scaler, flags,
1705 cpu_flags, srcFilter->chrH, dstFilter->chrH,
1706 58941 sws->scaler_params,
1707 get_local_pos(c, c->chrSrcHSubSample, sws->src_h_chr_pos, 0),
1708 get_local_pos(c, c->chrDstHSubSample, sws->dst_h_chr_pos, 0))) < 0)
1709 ✗ goto fail;
1710
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 58941 times.
 58941 if (ff_shuffle_filter_coefficients(c, c->hChrFilterPos, c->hChrFilterSize, c->hChrFilter, c->chrDstW) < 0)
1711 ✗ goto nomem;
1712 }
1713 } // initialize horizontal stuff
1714
1715 /* precalculate vertical scaler filter coefficients */
1716 {
1717
2/2
✓ Branch 0 taken 32923 times.
✓ Branch 1 taken 26018 times.
 58941 const int filterAlign = X86_MMX(cpu_flags) ? 2 :
1718 PPC_ALTIVEC(cpu_flags) ? 8 :
1719 have_neon(cpu_flags) ? 2 : 1;
1720
1721 58941 ret = initFilter(&c->vLumFilter, &c->vLumFilterPos, &c->vLumFilterSize,
1722 c->lumYInc, srcH, dstH, filterAlign, (1 << 12),
1723 lum_scaler, flags,
1724 cpu_flags, srcFilter->lumV, dstFilter->lumV,
1725 58941 sws->scaler_params,
1726 get_local_pos(c, 0, 0, 1),
1727 get_local_pos(c, 0, 0, 1));
1728 58941 int usecascade = (ret == RETCODE_USE_CASCADE);
1729
1/4
✗ Branch 0 not taken.
✓ Branch 1 taken 58941 times.
✗ Branch 2 not taken.
✗ Branch 3 not taken.
 58941 if (ret < 0 && !usecascade)
1730 ✗ goto fail;
1731
1/2
✗ Branch 2 not taken.
✓ Branch 3 taken 58941 times.
 117882 if ((ret = initFilter(&c->vChrFilter, &c->vChrFilterPos, &c->vChrFilterSize,
1732 c->chrYInc, c->chrSrcH, c->chrDstH,
1733 filterAlign, (1 << 12),
1734 chr_scaler, flags,
1735 cpu_flags, srcFilter->chrV, dstFilter->chrV,
1736 58941 sws->scaler_params,
1737 get_local_pos(c, c->chrSrcVSubSample, sws->src_v_chr_pos, 1),
1738 get_local_pos(c, c->chrDstVSubSample, sws->dst_v_chr_pos, 1))) < 0)
1739
1740 ✗ goto fail;
1741
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 58941 times.
 58941 if (usecascade) {
1742 ✗ ret = RETCODE_USE_CASCADE;
1743 ✗ goto fail;
1744 }
1745
1746 #if HAVE_ALTIVEC
1747 ret = ff_sws_init_altivec_bufs(c);
1748 if (ret < 0)
1749 goto fail;
1750 #endif
1751 }
1752
1753
2/2
✓ Branch 0 taken 235764 times.
✓ Branch 1 taken 58941 times.
 294705 for (i = 0; i < 4; i++)
1754
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 235764 times.
 235764 if (!FF_ALLOCZ_TYPED_ARRAY(c->dither_error[i], sws->dst_w + 3))
1755 ✗ goto nomem;
1756
1757
4/4
✓ Branch 1 taken 10602 times.
✓ Branch 2 taken 48339 times.
✓ Branch 4 taken 10225 times.
✓ Branch 5 taken 377 times.
 58941 c->needAlpha = (CONFIG_SWSCALE_ALPHA && isALPHA(sws->src_format) && isALPHA(sws->dst_format)) ? 1 : 0;
1758
1759 // 64 / c->scalingBpp is the same as 16 / sizeof(scaling_intermediate)
1760 58941 c->uv_off = (dst_stride>>1) + 64 / (c->dstBpc &~ 7);
1761 58941 c->uv_offx2 = dst_stride + 16;
1762
1763
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 58941 times.
 58941 av_assert0(c->chrDstH <= dstH);
1764
1765
2/2
✓ Branch 0 taken 2 times.
✓ Branch 1 taken 58939 times.
 58941 if (flags & SWS_PRINT_INFO) {
1766 2 const char *scaler = NULL, *cpucaps;
1767
1768
1/2
✓ Branch 0 taken 9 times.
✗ Branch 1 not taken.
 9 for (i = 0; i < FF_ARRAY_ELEMS(scale_algorithms); i++) {
1769
2/2
✓ Branch 0 taken 2 times.
✓ Branch 1 taken 7 times.
 9 if (info_scaler == scale_algorithms[i].flag) {
1770 2 scaler = scale_algorithms[i].description;
1771 2 break;
1772 }
1773 }
1774
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2 times.
 2 if (!scaler)
1775 ✗ scaler = "ehh flags invalid?!";
1776
1/2
✓ Branch 1 taken 2 times.
✗ Branch 2 not taken.
 4 av_log(c, AV_LOG_INFO, "%s scaler, from %s to %s%s ",
1777 scaler,
1778 av_get_pix_fmt_name(srcFormat),
1779
2/4
✓ Branch 0 taken 2 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 2 times.
✗ Branch 3 not taken.
 2 dstFormat == AV_PIX_FMT_BGR555 || dstFormat == AV_PIX_FMT_BGR565 ||
1780
2/4
✓ Branch 0 taken 2 times.
✗ Branch 1 not taken.
✓ Branch 2 taken 2 times.
✗ Branch 3 not taken.
 2 dstFormat == AV_PIX_FMT_RGB444BE || dstFormat == AV_PIX_FMT_RGB444LE ||
1781
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 2 times.
 2 dstFormat == AV_PIX_FMT_BGR444BE || dstFormat == AV_PIX_FMT_BGR444LE ?
1782 "dithered " : "",
1783 av_get_pix_fmt_name(dstFormat));
1784
1785
1/2
✓ Branch 0 taken 2 times.
✗ Branch 1 not taken.
 2 if (INLINE_MMXEXT(cpu_flags))
1786 2 cpucaps = "MMXEXT";
1787 ✗ else if (INLINE_MMX(cpu_flags))
1788 ✗ cpucaps = "MMX";
1789 else if (PPC_ALTIVEC(cpu_flags))
1790 cpucaps = "AltiVec";
1791 else
1792 ✗ cpucaps = "C";
1793
1794 2 av_log(c, AV_LOG_INFO, "using %s\n", cpucaps);
1795
1796 2 av_log(c, AV_LOG_VERBOSE, "%dx%d -> %dx%d\n", srcW, srcH, dstW, dstH);
1797 2 av_log(c, AV_LOG_DEBUG,
1798 "lum srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n",
1799 sws->src_w, sws->src_h, sws->dst_w, sws->dst_h, c->lumXInc, c->lumYInc);
1800 2 av_log(c, AV_LOG_DEBUG,
1801 "chr srcW=%d srcH=%d dstW=%d dstH=%d xInc=%d yInc=%d\n",
1802 c->chrSrcW, c->chrSrcH, c->chrDstW, c->chrDstH,
1803 c->chrXInc, c->chrYInc);
1804 }
1805
1806 58941 ff_sws_init_scale(c);
1807
1808 58941 return ff_init_filters(c);
1809 ✗ nomem:
1810 ✗ ret = AVERROR(ENOMEM);
1811 ✗ fail: // FIXME replace things by appropriate error codes
1812 ✗ if (ret == RETCODE_USE_CASCADE) {
1813 ✗ int tmpW = sqrt(srcW * (int64_t)dstW);
1814 ✗ int tmpH = sqrt(srcH * (int64_t)dstH);
1815 ✗ enum AVPixelFormat tmpFormat = AV_PIX_FMT_YUV420P;
1816
1817 ✗ if (isALPHA(srcFormat))
1818 ✗ tmpFormat = AV_PIX_FMT_YUVA420P;
1819
1820 ✗ if (srcW*(int64_t)srcH <= 4LL*dstW*dstH)
1821 ✗ return AVERROR(EINVAL);
1822
1823 ✗ ret = av_image_alloc(c->cascaded_tmp[0], c->cascaded_tmpStride[0],
1824 tmpW, tmpH, tmpFormat, 64);
1825 ✗ if (ret < 0)
1826 ✗ return ret;
1827
1828 ✗ c->cascaded_context[0] = sws_getContext(srcW, srcH, srcFormat,
1829 tmpW, tmpH, tmpFormat,
1830 flags, srcFilter, NULL,
1831 ✗ sws->scaler_params);
1832 ✗ if (!c->cascaded_context[0])
1833 ✗ return AVERROR(ENOMEM);
1834
1835 ✗ c->cascaded_context[1] = sws_getContext(tmpW, tmpH, tmpFormat,
1836 dstW, dstH, dstFormat,
1837 flags, NULL, dstFilter,
1838 ✗ sws->scaler_params);
1839 ✗ if (!c->cascaded_context[1])
1840 ✗ return AVERROR(ENOMEM);
1841 ✗ return 0;
1842 }
1843 ✗ return ret;
1844 }
1845
1846 ✗ static int context_init_threaded(SwsContext *sws,
1847 SwsFilter *src_filter, SwsFilter *dst_filter)
1848 {
1849 ✗ SwsInternal *c = sws_internal(sws);
1850 int ret;
1851
1852 ✗ ret = avpriv_slicethread_create2(&c->slicethread, (void*) sws,
1853 ff_sws_slice_worker, NULL, sws->threads);
1854 ✗ if (ret == AVERROR(ENOSYS)) {
1855 ✗ sws->threads = 1;
1856 ✗ return 0;
1857 ✗ } else if (ret < 0)
1858 ✗ return ret;
1859
1860 ✗ sws->threads = ret;
1861
1862 ✗ c->slice_ctx = av_calloc(sws->threads, sizeof(*c->slice_ctx));
1863 ✗ if (!c->slice_ctx)
1864 ✗ return AVERROR(ENOMEM);
1865
1866 ✗ for (int i = 0; i < sws->threads; i++) {
1867 SwsContext *slice;
1868 ✗ slice = c->slice_ctx[i] = sws_alloc_context();
1869 ✗ if (!slice)
1870 ✗ return AVERROR(ENOMEM);
1871 ✗ sws_internal(slice)->parent = sws;
1872 ✗ c->nb_slice_ctx++;
1873
1874 ✗ ret = av_opt_copy(slice, sws);
1875 ✗ if (ret < 0)
1876 ✗ return ret;
1877 ✗ slice->threads = 1;
1878
1879 ✗ ret = ff_sws_init_single_context(slice, src_filter, dst_filter);
1880 ✗ if (ret < 0)
1881 ✗ return ret;
1882
1883 ✗ if (slice->dither == SWS_DITHER_ED) {
1884 ✗ av_log(c, AV_LOG_VERBOSE,
1885 "Error-diffusion dither is in use, scaling will be single-threaded.");
1886 ✗ break;
1887 }
1888 }
1889
1890 ✗ return 0;
1891 }
1892
1893 45689 av_cold int sws_init_context(SwsContext *sws, SwsFilter *srcFilter,
1894 SwsFilter *dstFilter)
1895 {
1896 45689 SwsInternal *c = sws_internal(sws);
1897 static AVOnce rgb2rgb_once = AV_ONCE_INIT;
1898 enum AVPixelFormat src_format, dst_format;
1899 int ret;
1900
1901 45689 c->is_legacy_init = 1;
1902 45689 c->frame_src = av_frame_alloc();
1903 45689 c->frame_dst = av_frame_alloc();
1904
2/4
✓ Branch 0 taken 45689 times.
✗ Branch 1 not taken.
✗ Branch 2 not taken.
✓ Branch 3 taken 45689 times.
 45689 if (!c->frame_src || !c->frame_dst)
1905 ✗ return AVERROR(ENOMEM);
1906
1907
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 45689 times.
 45689 if (ff_thread_once(&rgb2rgb_once, ff_sws_rgb2rgb_init) != 0)
1908 ✗ return AVERROR_UNKNOWN;
1909
1910 45689 src_format = sws->src_format;
1911 45689 dst_format = sws->dst_format;
1912 45689 sws->src_range |= handle_jpeg(&sws->src_format);
1913 45689 sws->dst_range |= handle_jpeg(&sws->dst_format);
1914
1915
4/4
✓ Branch 0 taken 45301 times.
✓ Branch 1 taken 388 times.
✓ Branch 2 taken 175 times.
✓ Branch 3 taken 45126 times.
 45689 if (src_format != sws->src_format || dst_format != sws->dst_format)
1916 563 av_log(c, AV_LOG_WARNING, "deprecated pixel format used, make sure you did set range correctly\n");
1917
1918
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 45689 times.
 45689 if (sws->threads != 1) {
1919 ✗ ret = context_init_threaded(sws, srcFilter, dstFilter);
1920 ✗ if (ret < 0 || sws->threads > 1)
1921 ✗ return ret;
1922 // threading disabled in this build, init as single-threaded
1923 }
1924
1925 45689 return ff_sws_init_single_context(sws, srcFilter, dstFilter);
1926 }
1927
1928 5740 SwsContext *sws_getContext(int srcW, int srcH, enum AVPixelFormat srcFormat,
1929 int dstW, int dstH, enum AVPixelFormat dstFormat,
1930 int flags, SwsFilter *srcFilter,
1931 SwsFilter *dstFilter, const double *param)
1932 {
1933 SwsContext *sws;
1934
1935 5740 sws = alloc_set_opts(srcW, srcH, srcFormat,
1936 dstW, dstH, dstFormat,
1937 flags, param);
1938
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 5740 times.
 5740 if (!sws)
1939 ✗ return NULL;
1940
1941
1/2
✗ Branch 1 not taken.
✓ Branch 2 taken 5740 times.
 5740 if (sws_init_context(sws, srcFilter, dstFilter) < 0) {
1942 ✗ sws_freeContext(sws);
1943 ✗ return NULL;
1944 }
1945
1946 5740 return sws;
1947 }
1948
1949 ✗ static int isnan_vec(SwsVector *a)
1950 {
1951 int i;
1952 ✗ for (i=0; i<a->length; i++)
1953 ✗ if (isnan(a->coeff[i]))
1954 ✗ return 1;
1955 ✗ return 0;
1956 }
1957
1958 ✗ static void makenan_vec(SwsVector *a)
1959 {
1960 int i;
1961 ✗ for (i=0; i<a->length; i++)
1962 ✗ a->coeff[i] = NAN;
1963 ✗ }
1964
1965 ✗ SwsVector *sws_allocVec(int length)
1966 {
1967 SwsVector *vec;
1968
1969 ✗ if(length <= 0 || length > INT_MAX/ sizeof(double))
1970 ✗ return NULL;
1971
1972 ✗ vec = av_malloc(sizeof(SwsVector));
1973 ✗ if (!vec)
1974 ✗ return NULL;
1975 ✗ vec->length = length;
1976 ✗ vec->coeff = av_malloc(sizeof(double) * length);
1977 ✗ if (!vec->coeff)
1978 ✗ av_freep(&vec);
1979 ✗ return vec;
1980 }
1981
1982 ✗ SwsVector *sws_getGaussianVec(double variance, double quality)
1983 {
1984 ✗ const int length = (int)(variance * quality + 0.5) | 1;
1985 int i;
1986 ✗ double middle = (length - 1) * 0.5;
1987 SwsVector *vec;
1988
1989 ✗ if(variance < 0 || quality < 0)
1990 ✗ return NULL;
1991
1992 ✗ vec = sws_allocVec(length);
1993
1994 ✗ if (!vec)
1995 ✗ return NULL;
1996
1997 ✗ for (i = 0; i < length; i++) {
1998 ✗ double dist = i - middle;
1999 ✗ vec->coeff[i] = exp(-dist * dist / (2 * variance * variance)) /
2000 ✗ sqrt(2 * variance * M_PI);
2001 }
2002
2003 ✗ sws_normalizeVec(vec, 1.0);
2004
2005 ✗ return vec;
2006 }
2007
2008 /**
2009 * Allocate and return a vector with length coefficients, all
2010 * with the same value c.
2011 */
2012 static
2013 ✗ SwsVector *sws_getConstVec(double c, int length)
2014 {
2015 int i;
2016 ✗ SwsVector *vec = sws_allocVec(length);
2017
2018 ✗ if (!vec)
2019 ✗ return NULL;
2020
2021 ✗ for (i = 0; i < length; i++)
2022 ✗ vec->coeff[i] = c;
2023
2024 ✗ return vec;
2025 }
2026
2027 /**
2028 * Allocate and return a vector with just one coefficient, with
2029 * value 1.0.
2030 */
2031 static
2032 ✗ SwsVector *sws_getIdentityVec(void)
2033 {
2034 ✗ return sws_getConstVec(1.0, 1);
2035 }
2036
2037 ✗ static double sws_dcVec(SwsVector *a)
2038 {
2039 int i;
2040 ✗ double sum = 0;
2041
2042 ✗ for (i = 0; i < a->length; i++)
2043 ✗ sum += a->coeff[i];
2044
2045 ✗ return sum;
2046 }
2047
2048 ✗ void sws_scaleVec(SwsVector *a, double scalar)
2049 {
2050 int i;
2051
2052 ✗ for (i = 0; i < a->length; i++)
2053 ✗ a->coeff[i] *= scalar;
2054 ✗ }
2055
2056 ✗ void sws_normalizeVec(SwsVector *a, double height)
2057 {
2058 ✗ sws_scaleVec(a, height / sws_dcVec(a));
2059 ✗ }
2060
2061 ✗ static SwsVector *sws_sumVec(SwsVector *a, SwsVector *b)
2062 {
2063 ✗ int length = FFMAX(a->length, b->length);
2064 int i;
2065 ✗ SwsVector *vec = sws_getConstVec(0.0, length);
2066
2067 ✗ if (!vec)
2068 ✗ return NULL;
2069
2070 ✗ for (i = 0; i < a->length; i++)
2071 ✗ vec->coeff[i + (length - 1) / 2 - (a->length - 1) / 2] += a->coeff[i];
2072 ✗ for (i = 0; i < b->length; i++)
2073 ✗ vec->coeff[i + (length - 1) / 2 - (b->length - 1) / 2] += b->coeff[i];
2074
2075 ✗ return vec;
2076 }
2077
2078 /* shift left / or right if "shift" is negative */
2079 ✗ static SwsVector *sws_getShiftedVec(SwsVector *a, int shift)
2080 {
2081 ✗ int length = a->length + FFABS(shift) * 2;
2082 int i;
2083 ✗ SwsVector *vec = sws_getConstVec(0.0, length);
2084
2085 ✗ if (!vec)
2086 ✗ return NULL;
2087
2088 ✗ for (i = 0; i < a->length; i++) {
2089 ✗ vec->coeff[i + (length - 1) / 2 -
2090 ✗ (a->length - 1) / 2 - shift] = a->coeff[i];
2091 }
2092
2093 ✗ return vec;
2094 }
2095
2096 static
2097 ✗ void sws_shiftVec(SwsVector *a, int shift)
2098 {
2099 ✗ SwsVector *shifted = sws_getShiftedVec(a, shift);
2100 ✗ if (!shifted) {
2101 ✗ makenan_vec(a);
2102 ✗ return;
2103 }
2104 ✗ av_free(a->coeff);
2105 ✗ a->coeff = shifted->coeff;
2106 ✗ a->length = shifted->length;
2107 ✗ av_free(shifted);
2108 }
2109
2110 static
2111 ✗ void sws_addVec(SwsVector *a, SwsVector *b)
2112 {
2113 ✗ SwsVector *sum = sws_sumVec(a, b);
2114 ✗ if (!sum) {
2115 ✗ makenan_vec(a);
2116 ✗ return;
2117 }
2118 ✗ av_free(a->coeff);
2119 ✗ a->coeff = sum->coeff;
2120 ✗ a->length = sum->length;
2121 ✗ av_free(sum);
2122 }
2123
2124 /**
2125 * Print with av_log() a textual representation of the vector a
2126 * if log_level <= av_log_level.
2127 */
2128 static
2129 ✗ void sws_printVec2(SwsVector *a, AVClass *log_ctx, int log_level)
2130 {
2131 int i;
2132 ✗ double max = 0;
2133 ✗ double min = 0;
2134 double range;
2135
2136 ✗ for (i = 0; i < a->length; i++)
2137 ✗ if (a->coeff[i] > max)
2138 ✗ max = a->coeff[i];
2139
2140 ✗ for (i = 0; i < a->length; i++)
2141 ✗ if (a->coeff[i] < min)
2142 ✗ min = a->coeff[i];
2143
2144 ✗ range = max - min;
2145
2146 ✗ for (i = 0; i < a->length; i++) {
2147 ✗ int x = (int)((a->coeff[i] - min) * 60.0 / range + 0.5);
2148 ✗ av_log(log_ctx, log_level, "%1.3f ", a->coeff[i]);
2149 ✗ for (; x > 0; x--)
2150 ✗ av_log(log_ctx, log_level, " ");
2151 ✗ av_log(log_ctx, log_level, "|\n");
2152 }
2153 ✗ }
2154
2155 ✗ void sws_freeVec(SwsVector *a)
2156 {
2157 ✗ if (!a)
2158 ✗ return;
2159 ✗ av_freep(&a->coeff);
2160 ✗ a->length = 0;
2161 ✗ av_free(a);
2162 }
2163
2164 ✗ void sws_freeFilter(SwsFilter *filter)
2165 {
2166 ✗ if (!filter)
2167 ✗ return;
2168
2169 ✗ sws_freeVec(filter->lumH);
2170 ✗ sws_freeVec(filter->lumV);
2171 ✗ sws_freeVec(filter->chrH);
2172 ✗ sws_freeVec(filter->chrV);
2173 ✗ av_free(filter);
2174 }
2175
2176 ✗ SwsFilter *sws_getDefaultFilter(float lumaGBlur, float chromaGBlur,
2177 float lumaSharpen, float chromaSharpen,
2178 float chromaHShift, float chromaVShift,
2179 int verbose)
2180 {
2181 ✗ SwsFilter *filter = av_malloc(sizeof(SwsFilter));
2182 ✗ if (!filter)
2183 ✗ return NULL;
2184
2185 ✗ if (lumaGBlur != 0.0) {
2186 ✗ filter->lumH = sws_getGaussianVec(lumaGBlur, 3.0);
2187 ✗ filter->lumV = sws_getGaussianVec(lumaGBlur, 3.0);
2188 } else {
2189 ✗ filter->lumH = sws_getIdentityVec();
2190 ✗ filter->lumV = sws_getIdentityVec();
2191 }
2192
2193 ✗ if (chromaGBlur != 0.0) {
2194 ✗ filter->chrH = sws_getGaussianVec(chromaGBlur, 3.0);
2195 ✗ filter->chrV = sws_getGaussianVec(chromaGBlur, 3.0);
2196 } else {
2197 ✗ filter->chrH = sws_getIdentityVec();
2198 ✗ filter->chrV = sws_getIdentityVec();
2199 }
2200
2201 ✗ if (!filter->lumH || !filter->lumV || !filter->chrH || !filter->chrV)
2202 ✗ goto fail;
2203
2204 ✗ if (chromaSharpen != 0.0) {
2205 ✗ SwsVector *id = sws_getIdentityVec();
2206 ✗ if (!id)
2207 ✗ goto fail;
2208 ✗ sws_scaleVec(filter->chrH, -chromaSharpen);
2209 ✗ sws_scaleVec(filter->chrV, -chromaSharpen);
2210 ✗ sws_addVec(filter->chrH, id);
2211 ✗ sws_addVec(filter->chrV, id);
2212 ✗ sws_freeVec(id);
2213 }
2214
2215 ✗ if (lumaSharpen != 0.0) {
2216 ✗ SwsVector *id = sws_getIdentityVec();
2217 ✗ if (!id)
2218 ✗ goto fail;
2219 ✗ sws_scaleVec(filter->lumH, -lumaSharpen);
2220 ✗ sws_scaleVec(filter->lumV, -lumaSharpen);
2221 ✗ sws_addVec(filter->lumH, id);
2222 ✗ sws_addVec(filter->lumV, id);
2223 ✗ sws_freeVec(id);
2224 }
2225
2226 ✗ if (chromaHShift != 0.0)
2227 ✗ sws_shiftVec(filter->chrH, (int)(chromaHShift + 0.5));
2228
2229 ✗ if (chromaVShift != 0.0)
2230 ✗ sws_shiftVec(filter->chrV, (int)(chromaVShift + 0.5));
2231
2232 ✗ sws_normalizeVec(filter->chrH, 1.0);
2233 ✗ sws_normalizeVec(filter->chrV, 1.0);
2234 ✗ sws_normalizeVec(filter->lumH, 1.0);
2235 ✗ sws_normalizeVec(filter->lumV, 1.0);
2236
2237 ✗ if (isnan_vec(filter->chrH) ||
2238 ✗ isnan_vec(filter->chrV) ||
2239 ✗ isnan_vec(filter->lumH) ||
2240 ✗ isnan_vec(filter->lumV))
2241 ✗ goto fail;
2242
2243 ✗ if (verbose)
2244 ✗ sws_printVec2(filter->chrH, NULL, AV_LOG_DEBUG);
2245 ✗ if (verbose)
2246 ✗ sws_printVec2(filter->lumH, NULL, AV_LOG_DEBUG);
2247
2248 ✗ return filter;
2249
2250 ✗ fail:
2251 ✗ sws_freeVec(filter->lumH);
2252 ✗ sws_freeVec(filter->lumV);
2253 ✗ sws_freeVec(filter->chrH);
2254 ✗ sws_freeVec(filter->chrV);
2255 ✗ av_freep(&filter);
2256 ✗ return NULL;
2257 }
2258
2259 356545 void sws_freeContext(SwsContext *sws)
2260 {
2261 356545 SwsInternal *c = sws_internal(sws);
2262 int i;
2263
2/2
✓ Branch 0 taken 267409 times.
✓ Branch 1 taken 89136 times.
 356545 if (!c)
2264 267409 return;
2265
2266 89136 av_refstruct_unref(&c->hw_priv);
2267
2268
2/2
✓ Branch 0 taken 178272 times.
✓ Branch 1 taken 89136 times.
 267408 for (i = 0; i < FF_ARRAY_ELEMS(c->graph); i++)
2269 178272 ff_sws_graph_free(&c->graph[i]);
2270 89136 ff_frame_pool_uninit(&c->frame_pool);
2271
2272
2/2
✓ Branch 0 taken 23191 times.
✓ Branch 1 taken 89136 times.
 112327 for (i = 0; i < c->nb_slice_ctx; i++)
2273 23191 sws_freeContext(c->slice_ctx[i]);
2274 89136 av_freep(&c->slice_ctx);
2275
2276 89136 avpriv_slicethread_free(&c->slicethread);
2277
2278
2/2
✓ Branch 0 taken 356544 times.
✓ Branch 1 taken 89136 times.
 445680 for (i = 0; i < 4; i++)
2279 356544 av_freep(&c->dither_error[i]);
2280
2281 89136 av_frame_free(&c->frame_src);
2282 89136 av_frame_free(&c->frame_dst);
2283
2284 89136 av_freep(&c->src_ranges.ranges);
2285
2286 89136 av_freep(&c->vLumFilter);
2287 89136 av_freep(&c->vChrFilter);
2288 89136 av_freep(&c->hLumFilter);
2289 89136 av_freep(&c->hChrFilter);
2290 #if HAVE_ALTIVEC
2291 ff_sws_free_altivec_bufs(c);
2292 #endif
2293
2294 89136 av_freep(&c->vLumFilterPos);
2295 89136 av_freep(&c->vChrFilterPos);
2296 89136 av_freep(&c->hLumFilterPos);
2297 89136 av_freep(&c->hChrFilterPos);
2298
2299 #if HAVE_MMX_INLINE
2300 89136 ff_sws_jit_free(c->lumMmxextFilterCode, c->lumMmxextFilterCodeSize);
2301 89136 ff_sws_jit_free(c->chrMmxextFilterCode, c->chrMmxextFilterCodeSize);
2302 89136 c->lumMmxextFilterCode = NULL;
2303 89136 c->chrMmxextFilterCode = NULL;
2304 #endif /* HAVE_MMX_INLINE */
2305
2306 89136 av_freep(&c->yuvTable);
2307 89136 av_freep(&c->formatConvBuffer);
2308
2309 89136 sws_freeContext(c->cascaded_context[0]);
2310 89136 sws_freeContext(c->cascaded_context[1]);
2311 89136 sws_freeContext(c->cascaded_context[2]);
2312 89136 memset(c->cascaded_context, 0, sizeof(c->cascaded_context));
2313 89136 av_freep(&c->cascaded_tmp[0][0]);
2314 89136 av_freep(&c->cascaded_tmp[1][0]);
2315
2316 89136 av_freep(&c->gamma);
2317 89136 av_freep(&c->inv_gamma);
2318 #if CONFIG_SMALL
2319 av_freep(&c->xyz2rgb.gamma.in);
2320 #endif
2321
2322 89136 av_freep(&c->rgb0_scratch);
2323 89136 av_freep(&c->xyz_scratch);
2324
2325 89136 ff_free_filters(c);
2326
2327 89136 av_free(c);
2328 }
2329
2330 59771 void sws_free_context(SwsContext **pctx)
2331 {
2332 59771 SwsContext *ctx = *pctx;
2333
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 59771 times.
 59771 if (!ctx)
2334 ✗ return;
2335
2336 59771 sws_freeContext(ctx);
2337 59771 *pctx = NULL;
2338 }
2339
2340 ✗ SwsContext *sws_getCachedContext(SwsContext *prev, int srcW,
2341 int srcH, enum AVPixelFormat srcFormat,
2342 int dstW, int dstH,
2343 enum AVPixelFormat dstFormat, int flags,
2344 SwsFilter *srcFilter,
2345 SwsFilter *dstFilter,
2346 const double *param)
2347 {
2348 SwsContext *sws;
2349 static const double default_param[2] = { SWS_PARAM_DEFAULT,
2350 SWS_PARAM_DEFAULT };
2351
2352 ✗ if (!param)
2353 ✗ param = default_param;
2354
2355 ✗ if (prev && (prev->src_w == srcW &&
2356 ✗ prev->src_h == srcH &&
2357 ✗ prev->src_format == srcFormat &&
2358 ✗ prev->dst_w == dstW &&
2359 ✗ prev->dst_h == dstH &&
2360 ✗ prev->dst_format == dstFormat &&
2361 ✗ prev->flags == flags &&
2362 ✗ !memcmp(prev->scaler_params, param,
2363 sizeof(prev->scaler_params)))) {
2364 ✗ return prev;
2365 }
2366
2367 ✗ if (!(sws = sws_alloc_context())) {
2368 ✗ sws_free_context(&prev);
2369 ✗ return NULL;
2370 }
2371
2372 ✗ if (prev) {
2373 ✗ av_opt_copy(sws, prev);
2374 ✗ sws_free_context(&prev);
2375 }
2376
2377 ✗ sws->src_w = srcW;
2378 ✗ sws->src_h = srcH;
2379 ✗ sws->src_format = srcFormat;
2380 ✗ sws->dst_w = dstW;
2381 ✗ sws->dst_h = dstH;
2382 ✗ sws->dst_format = dstFormat;
2383 ✗ sws->flags = flags;
2384 ✗ for (int i = 0; i < SWS_NUM_SCALER_PARAMS; i++)
2385 ✗ sws->scaler_params[i] = param[i];
2386
2387 ✗ if (sws_init_context(sws, srcFilter, dstFilter) < 0)
2388 ✗ sws_free_context(&sws);
2389
2390 ✗ return sws;
2391 }
2392
2393 ✗ int ff_range_add(RangeList *rl, unsigned int start, unsigned int len)
2394 {
2395 Range *tmp;
2396 unsigned int idx;
2397
2398 /* find the first existing range after the new one */
2399 ✗ for (idx = 0; idx < rl->nb_ranges; idx++)
2400 ✗ if (rl->ranges[idx].start > start)
2401 ✗ break;
2402
2403 /* check for overlap */
2404 ✗ if (idx > 0) {
2405 ✗ Range *prev = &rl->ranges[idx - 1];
2406 ✗ if (prev->start + prev->len > start)
2407 ✗ return AVERROR(EINVAL);
2408 }
2409 ✗ if (idx < rl->nb_ranges) {
2410 ✗ Range *next = &rl->ranges[idx];
2411 ✗ if (start + len > next->start)
2412 ✗ return AVERROR(EINVAL);
2413 }
2414
2415 ✗ tmp = av_fast_realloc(rl->ranges, &rl->ranges_allocated,
2416 ✗ (rl->nb_ranges + 1) * sizeof(*rl->ranges));
2417 ✗ if (!tmp)
2418 ✗ return AVERROR(ENOMEM);
2419 ✗ rl->ranges = tmp;
2420
2421 ✗ memmove(rl->ranges + idx + 1, rl->ranges + idx,
2422 ✗ sizeof(*rl->ranges) * (rl->nb_ranges - idx));
2423 ✗ rl->ranges[idx].start = start;
2424 ✗ rl->ranges[idx].len = len;
2425 ✗ rl->nb_ranges++;
2426
2427 /* merge ranges */
2428 ✗ if (idx > 0) {
2429 ✗ Range *prev = &rl->ranges[idx - 1];
2430 ✗ Range *cur = &rl->ranges[idx];
2431 ✗ if (prev->start + prev->len == cur->start) {
2432 ✗ prev->len += cur->len;
2433 ✗ memmove(rl->ranges + idx - 1, rl->ranges + idx,
2434 ✗ sizeof(*rl->ranges) * (rl->nb_ranges - idx));
2435 ✗ rl->nb_ranges--;
2436 ✗ idx--;
2437 }
2438 }
2439 ✗ if (idx < rl->nb_ranges - 1) {
2440 ✗ Range *cur = &rl->ranges[idx];
2441 ✗ Range *next = &rl->ranges[idx + 1];
2442 ✗ if (cur->start + cur->len == next->start) {
2443 ✗ cur->len += next->len;
2444 ✗ memmove(rl->ranges + idx, rl->ranges + idx + 1,
2445 ✗ sizeof(*rl->ranges) * (rl->nb_ranges - idx - 1));
2446 ✗ rl->nb_ranges--;
2447 }
2448 }
2449
2450 ✗ return 0;
2451 }
2452
2453 8 int ff_sws_thread_exec(void *priv,
2454 int (*func)(void *priv, int jobnr, int threadnr, int nb_jobs, int nb_threads),
2455 int nb_threads, int nb_jobs)
2456 {
2457 AVSliceThread *slicethread;
2458 8 int ret = avpriv_slicethread_create2(&slicethread, priv, func, NULL, nb_threads);
2459
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 8 times.
 8 if (ret == AVERROR(ENOSYS)) {
2460 /* Fallback for build configurations without threading */
2461 ✗ for (int i = 0; i < nb_jobs; i++) {
2462 ✗ int ret = func(priv, i, 0, nb_jobs, 1);
2463 ✗ if (ret)
2464 ✗ return ret;
2465 }
2466 ✗ return 0;
2467
1/2
✗ Branch 0 not taken.
✓ Branch 1 taken 8 times.
 8 } else if (ret < 0) {
2468 ✗ return ret;
2469 }
2470
2471 8 ret = avpriv_slicethread_execute2(slicethread, nb_jobs, 0);
2472 8 avpriv_slicethread_free(&slicethread);
2473 8 return ret;
2474 }
2475