swscale: support AV_PIX_FMT_YA16 as input
[libav.git] / libswscale / swscale-test.c
CommitLineData
c9b99ea6 1/*
d026b45e
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2 * Copyright (C) 2003 Michael Niedermayer <michaelni@gmx.at>
3 *
2912e87a 4 * This file is part of Libav.
d026b45e 5 *
2912e87a 6 * Libav is free software; you can redistribute it and/or
54e3ae2e
DB
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
d026b45e 10 *
2912e87a 11 * Libav is distributed in the hope that it will be useful,
d026b45e 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
d026b45e 15 *
54e3ae2e 16 * You should have received a copy of the GNU Lesser General Public
2912e87a 17 * License along with Libav; if not, write to the Free Software
b19bcbaa 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
d026b45e 19 */
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20
21#include <stdio.h>
22#include <stdlib.h>
23#include <string.h>
24#include <inttypes.h>
25#include <stdarg.h>
26
e9e12f0e 27#undef HAVE_AV_CONFIG_H
737eb597 28#include "libavutil/imgutils.h"
51d83986 29#include "libavutil/mem.h"
83da2c6f 30#include "libavutil/avutil.h"
8d884020 31#include "libavutil/crc.h"
92bfd746 32#include "libavutil/pixdesc.h"
9a034dde 33#include "libavutil/lfg.h"
c9b99ea6 34#include "swscale.h"
c9b99ea6 35
71ed6c8f
RP
36/* HACK Duplicated from swscale_internal.h.
37 * Should be removed when a cleaner pixel format system exists. */
999484c9 38#define isGray(x) \
716d413c 39 ((x) == AV_PIX_FMT_GRAY8 || \
e96c3b81 40 (x) == AV_PIX_FMT_YA8 || \
716d413c 41 (x) == AV_PIX_FMT_GRAY16BE || \
f84a1b59
VG
42 (x) == AV_PIX_FMT_GRAY16LE || \
43 (x) == AV_PIX_FMT_YA16BE || \
44 (x) == AV_PIX_FMT_YA16LE)
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DB
45#define hasChroma(x) \
46 (!(isGray(x) || \
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47 (x) == AV_PIX_FMT_MONOBLACK || \
48 (x) == AV_PIX_FMT_MONOWHITE))
999484c9 49#define isALPHA(x) \
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50 ((x) == AV_PIX_FMT_BGR32 || \
51 (x) == AV_PIX_FMT_BGR32_1 || \
52 (x) == AV_PIX_FMT_RGB32 || \
53 (x) == AV_PIX_FMT_RGB32_1 || \
54 (x) == AV_PIX_FMT_YUVA420P)
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DB
55
56static uint64_t getSSD(uint8_t *src1, uint8_t *src2, int stride1,
57 int stride2, int w, int h)
dd68318c 58{
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DB
59 int x, y;
60 uint64_t ssd = 0;
c9b99ea6 61
999484c9
DB
62 for (y = 0; y < h; y++) {
63 for (x = 0; x < w; x++) {
64 int d = src1[x + y * stride1] - src2[x + y * stride2];
65 ssd += d * d;
221b804f 66 }
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DB
67 }
68 return ssd;
c9b99ea6
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69}
70
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71struct Results {
72 uint64_t ssdY;
73 uint64_t ssdU;
74 uint64_t ssdV;
75 uint64_t ssdA;
76 uint32_t crc;
77};
78
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79// test by ref -> src -> dst -> out & compare out against ref
80// ref & out are YV12
2d8d885b 81static int doTest(uint8_t *ref[4], int refStride[4], int w, int h,
716d413c 82 enum AVPixelFormat srcFormat, enum AVPixelFormat dstFormat,
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83 int srcW, int srcH, int dstW, int dstH, int flags,
84 struct Results *r)
dd68318c 85{
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86 const AVPixFmtDescriptor *desc_yuva420p = av_pix_fmt_desc_get(AV_PIX_FMT_YUVA420P);
87 const AVPixFmtDescriptor *desc_src = av_pix_fmt_desc_get(srcFormat);
88 const AVPixFmtDescriptor *desc_dst = av_pix_fmt_desc_get(dstFormat);
716d413c 89 static enum AVPixelFormat cur_srcFormat;
6bbae4c8 90 static int cur_srcW, cur_srcH;
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RP
91 static uint8_t *src[4];
92 static int srcStride[4];
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DB
93 uint8_t *dst[4] = { 0 };
94 uint8_t *out[4] = { 0 };
73016d29 95 int dstStride[4];
221b804f 96 int i;
999484c9 97 uint64_t ssdY, ssdU = 0, ssdV = 0, ssdA = 0;
73016d29 98 struct SwsContext *dstContext = NULL, *outContext = NULL;
8d884020 99 uint32_t crc = 0;
999484c9 100 int res = 0;
221b804f 101
6bbae4c8 102 if (cur_srcFormat != srcFormat || cur_srcW != srcW || cur_srcH != srcH) {
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103 struct SwsContext *srcContext = NULL;
104 int p;
105
106 for (p = 0; p < 4; p++)
523d9407 107 av_freep(&src[p]);
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RP
108
109 av_image_fill_linesizes(srcStride, srcFormat, srcW);
110 for (p = 0; p < 4; p++) {
111 if (srcStride[p])
999484c9 112 src[p] = av_mallocz(srcStride[p] * srcH + 16);
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RP
113 if (srcStride[p] && !src[p]) {
114 perror("Malloc");
115 res = -1;
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RP
116 goto end;
117 }
118 }
716d413c 119 srcContext = sws_getContext(w, h, AV_PIX_FMT_YUVA420P, srcW, srcH,
6bbae4c8 120 srcFormat, SWS_BILINEAR, NULL, NULL, NULL);
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RP
121 if (!srcContext) {
122 fprintf(stderr, "Failed to get %s ---> %s\n",
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123 desc_yuva420p->name,
124 desc_src->name);
3e1e7800 125 res = -1;
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RP
126 goto end;
127 }
128 sws_scale(srcContext, ref, refStride, 0, h, src, srcStride);
129 sws_freeContext(srcContext);
130
131 cur_srcFormat = srcFormat;
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DB
132 cur_srcW = srcW;
133 cur_srcH = srcH;
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RP
134 }
135
4389d606 136 av_image_fill_linesizes(dstStride, dstFormat, dstW);
999484c9 137 for (i = 0; i < 4; i++) {
9e5f164d
RP
138 /* Image buffers passed into libswscale can be allocated any way you
139 * prefer, as long as they're aligned enough for the architecture, and
140 * they're freed appropriately (such as using av_free for buffers
141 * allocated with av_malloc). */
67e1d527
RP
142 /* An extra 16 bytes is being allocated because some scalers may write
143 * out of bounds. */
06c93cb7 144 if (dstStride[i])
999484c9 145 dst[i] = av_mallocz(dstStride[i] * dstH + 16);
4bf44785 146 if (dstStride[i] && !dst[i]) {
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DB
147 perror("Malloc");
148 res = -1;
149
150 goto end;
151 }
152 }
153
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DB
154 dstContext = sws_getContext(srcW, srcH, srcFormat, dstW, dstH, dstFormat,
155 flags, NULL, NULL, NULL);
1b0a4572 156 if (!dstContext) {
221b804f 157 fprintf(stderr, "Failed to get %s ---> %s\n",
0a7068fa 158 desc_src->name, desc_dst->name);
221b804f 159 res = -1;
221b804f
DB
160 goto end;
161 }
221b804f 162
9bb9875e 163 printf(" %s %dx%d -> %s %3dx%3d flags=%2d",
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AK
164 desc_src->name, srcW, srcH,
165 desc_dst->name, dstW, dstH,
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RP
166 flags);
167 fflush(stdout);
168
221b804f 169 sws_scale(dstContext, src, srcStride, 0, srcH, dst, dstStride);
27161c06 170
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DB
171 for (i = 0; i < 4 && dstStride[i]; i++)
172 crc = av_crc(av_crc_get_table(AV_CRC_32_IEEE), crc, dst[i],
173 dstStride[i] * dstH);
8d884020 174
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RP
175 if (r && crc == r->crc) {
176 ssdY = r->ssdY;
177 ssdU = r->ssdU;
178 ssdV = r->ssdV;
179 ssdA = r->ssdA;
180 } else {
999484c9 181 for (i = 0; i < 4; i++) {
4bf44785 182 if (refStride[i])
999484c9 183 out[i] = av_mallocz(refStride[i] * h);
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RP
184 if (refStride[i] && !out[i]) {
185 perror("Malloc");
186 res = -1;
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RP
187 goto end;
188 }
189 }
999484c9 190 outContext = sws_getContext(dstW, dstH, dstFormat, w, h,
716d413c 191 AV_PIX_FMT_YUVA420P, SWS_BILINEAR,
999484c9 192 NULL, NULL, NULL);
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RP
193 if (!outContext) {
194 fprintf(stderr, "Failed to get %s ---> %s\n",
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195 desc_dst->name,
196 desc_yuva420p->name);
4bf44785 197 res = -1;
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RP
198 goto end;
199 }
200 sws_scale(outContext, dst, dstStride, 0, dstH, out, refStride);
201
999484c9 202 ssdY = getSSD(ref[0], out[0], refStride[0], refStride[0], w, h);
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RP
203 if (hasChroma(srcFormat) && hasChroma(dstFormat)) {
204 //FIXME check that output is really gray
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DB
205 ssdU = getSSD(ref[1], out[1], refStride[1], refStride[1],
206 (w + 1) >> 1, (h + 1) >> 1);
207 ssdV = getSSD(ref[2], out[2], refStride[2], refStride[2],
208 (w + 1) >> 1, (h + 1) >> 1);
9075bc7c
RP
209 }
210 if (isALPHA(srcFormat) && isALPHA(dstFormat))
999484c9 211 ssdA = getSSD(ref[3], out[3], refStride[3], refStride[3], w, h);
6a4970ab 212
999484c9
DB
213 ssdY /= w * h;
214 ssdU /= w * h / 4;
215 ssdV /= w * h / 4;
216 ssdA /= w * h;
6a4970ab 217
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RP
218 sws_freeContext(outContext);
219
999484c9 220 for (i = 0; i < 4; i++)
4bf44785
RP
221 if (refStride[i])
222 av_free(out[i]);
4bf44785
RP
223 }
224
999484c9 225 printf(" CRC=%08x SSD=%5"PRId64 ",%5"PRId64 ",%5"PRId64 ",%5"PRId64 "\n",
8d884020 226 crc, ssdY, ssdU, ssdV, ssdA);
c9b99ea6 227
a48ce2c3 228end:
221b804f 229 sws_freeContext(dstContext);
c9b99ea6 230
999484c9 231 for (i = 0; i < 4; i++)
06c93cb7 232 if (dstStride[i])
a4fc3bd5 233 av_free(dst[i]);
c9b99ea6 234
221b804f 235 return res;
c9b99ea6
MN
236}
237
9b4bf9c2 238static void selfTest(uint8_t *ref[4], int refStride[4], int w, int h,
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AK
239 enum AVPixelFormat srcFormat_in,
240 enum AVPixelFormat dstFormat_in)
dd68318c 241{
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DB
242 const int flags[] = { SWS_FAST_BILINEAR, SWS_BILINEAR, SWS_BICUBIC,
243 SWS_X, SWS_POINT, SWS_AREA, 0 };
244 const int srcW = w;
245 const int srcH = h;
246 const int dstW[] = { srcW - srcW / 3, srcW, srcW + srcW / 3, 0 };
247 const int dstH[] = { srcH - srcH / 3, srcH, srcH + srcH / 3, 0 };
716d413c 248 enum AVPixelFormat srcFormat, dstFormat;
0a7068fa 249 const AVPixFmtDescriptor *desc_src, *desc_dst;
91cfeac6 250
716d413c
AK
251 for (srcFormat = srcFormat_in != AV_PIX_FMT_NONE ? srcFormat_in : 0;
252 srcFormat < AV_PIX_FMT_NB; srcFormat++) {
999484c9
DB
253 if (!sws_isSupportedInput(srcFormat) ||
254 !sws_isSupportedOutput(srcFormat))
91cfeac6
SS
255 continue;
256
0a7068fa
AK
257 desc_src = av_pix_fmt_desc_get(srcFormat);
258
716d413c
AK
259 for (dstFormat = dstFormat_in != AV_PIX_FMT_NONE ? dstFormat_in : 0;
260 dstFormat < AV_PIX_FMT_NB; dstFormat++) {
91cfeac6
SS
261 int i, j, k;
262 int res = 0;
263
999484c9
DB
264 if (!sws_isSupportedInput(dstFormat) ||
265 !sws_isSupportedOutput(dstFormat))
91cfeac6 266 continue;
731c04ad 267
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AK
268 desc_dst = av_pix_fmt_desc_get(dstFormat);
269
270 printf("%s -> %s\n", desc_src->name, desc_dst->name);
ae9e0e83 271 fflush(stdout);
221b804f 272
999484c9 273 for (k = 0; flags[k] && !res; k++)
be1c5d35
RP
274 for (i = 0; dstW[i] && !res; i++)
275 for (j = 0; dstH[j] && !res; j++)
3e1e7800 276 res = doTest(ref, refStride, w, h,
73016d29 277 srcFormat, dstFormat,
4bf44785
RP
278 srcW, srcH, dstW[i], dstH[j], flags[k],
279 NULL);
716d413c 280 if (dstFormat_in != AV_PIX_FMT_NONE)
9b4bf9c2 281 break;
91cfeac6 282 }
716d413c 283 if (srcFormat_in != AV_PIX_FMT_NONE)
9b4bf9c2 284 break;
91cfeac6 285 }
c9b99ea6
MN
286}
287
9b4bf9c2 288static int fileTest(uint8_t *ref[4], int refStride[4], int w, int h, FILE *fp,
716d413c
AK
289 enum AVPixelFormat srcFormat_in,
290 enum AVPixelFormat dstFormat_in)
4bf44785
RP
291{
292 char buf[256];
293
294 while (fgets(buf, sizeof(buf), fp)) {
295 struct Results r;
716d413c 296 enum AVPixelFormat srcFormat;
4bf44785
RP
297 char srcStr[12];
298 int srcW, srcH;
716d413c 299 enum AVPixelFormat dstFormat;
4bf44785
RP
300 char dstStr[12];
301 int dstW, dstH;
302 int flags;
303 int ret;
304
999484c9
DB
305 ret = sscanf(buf,
306 " %12s %dx%d -> %12s %dx%d flags=%d CRC=%x"
307 " SSD=%"PRId64 ", %"PRId64 ", %"PRId64 ", %"PRId64 "\n",
308 srcStr, &srcW, &srcH, dstStr, &dstW, &dstH,
309 &flags, &r.crc, &r.ssdY, &r.ssdU, &r.ssdV, &r.ssdA);
4bf44785
RP
310 if (ret != 12) {
311 srcStr[0] = dstStr[0] = 0;
999484c9 312 ret = sscanf(buf, "%12s -> %12s\n", srcStr, dstStr);
4bf44785
RP
313 }
314
315 srcFormat = av_get_pix_fmt(srcStr);
316 dstFormat = av_get_pix_fmt(dstStr);
317
716d413c 318 if (srcFormat == AV_PIX_FMT_NONE || dstFormat == AV_PIX_FMT_NONE) {
4bf44785
RP
319 fprintf(stderr, "malformed input file\n");
320 return -1;
321 }
716d413c
AK
322 if ((srcFormat_in != AV_PIX_FMT_NONE && srcFormat_in != srcFormat) ||
323 (dstFormat_in != AV_PIX_FMT_NONE && dstFormat_in != dstFormat))
9b4bf9c2 324 continue;
4bf44785
RP
325 if (ret != 12) {
326 printf("%s", buf);
327 continue;
328 }
329
330 doTest(ref, refStride, w, h,
331 srcFormat, dstFormat,
332 srcW, srcH, dstW, dstH, flags,
333 &r);
334 }
335
336 return 0;
337}
338
c9b99ea6
MN
339#define W 96
340#define H 96
341
dd68318c
RP
342int main(int argc, char **argv)
343{
716d413c
AK
344 enum AVPixelFormat srcFormat = AV_PIX_FMT_NONE;
345 enum AVPixelFormat dstFormat = AV_PIX_FMT_NONE;
999484c9 346 uint8_t *rgb_data = av_malloc(W * H * 4);
06b0246d
RB
347 uint8_t *rgb_src[4] = { rgb_data, NULL, NULL, NULL };
348 int rgb_stride[4] = { 4 * W, 0, 0, 0 };
999484c9
DB
349 uint8_t *data = av_malloc(4 * W * H);
350 uint8_t *src[4] = { data, data + W * H, data + W * H * 2, data + W * H * 3 };
351 int stride[4] = { W, W, W, W };
221b804f
DB
352 int x, y;
353 struct SwsContext *sws;
9a034dde 354 AVLFG rand;
4bf44785
RP
355 int res = -1;
356 int i;
221b804f 357
7248797c
RP
358 if (!rgb_data || !data)
359 return -1;
360
716d413c
AK
361 sws = sws_getContext(W / 12, H / 12, AV_PIX_FMT_RGB32, W, H,
362 AV_PIX_FMT_YUVA420P, SWS_BILINEAR, NULL, NULL, NULL);
221b804f 363
9a034dde
RP
364 av_lfg_init(&rand, 1);
365
999484c9
DB
366 for (y = 0; y < H; y++)
367 for (x = 0; x < W * 4; x++)
368 rgb_data[ x + y * 4 * W] = av_lfg_get(&rand);
e5091488 369 sws_scale(sws, rgb_src, rgb_stride, 0, H, src, stride);
64d39b7c 370 sws_freeContext(sws);
51d83986 371 av_free(rgb_data);
27161c06 372
4bf44785 373 for (i = 1; i < argc; i += 2) {
999484c9 374 if (argv[i][0] != '-' || i + 1 == argc)
4bf44785
RP
375 goto bad_option;
376 if (!strcmp(argv[i], "-ref")) {
999484c9 377 FILE *fp = fopen(argv[i + 1], "r");
4bf44785 378 if (!fp) {
999484c9 379 fprintf(stderr, "could not open '%s'\n", argv[i + 1]);
4bf44785
RP
380 goto error;
381 }
9b4bf9c2 382 res = fileTest(src, stride, W, H, fp, srcFormat, dstFormat);
4bf44785
RP
383 fclose(fp);
384 goto end;
9b4bf9c2 385 } else if (!strcmp(argv[i], "-src")) {
999484c9 386 srcFormat = av_get_pix_fmt(argv[i + 1]);
716d413c 387 if (srcFormat == AV_PIX_FMT_NONE) {
999484c9 388 fprintf(stderr, "invalid pixel format %s\n", argv[i + 1]);
9b4bf9c2
RP
389 return -1;
390 }
391 } else if (!strcmp(argv[i], "-dst")) {
999484c9 392 dstFormat = av_get_pix_fmt(argv[i + 1]);
716d413c 393 if (dstFormat == AV_PIX_FMT_NONE) {
999484c9 394 fprintf(stderr, "invalid pixel format %s\n", argv[i + 1]);
9b4bf9c2
RP
395 return -1;
396 }
4bf44785
RP
397 } else {
398bad_option:
399 fprintf(stderr, "bad option or argument missing (%s)\n", argv[i]);
400 goto error;
401 }
402 }
403
9b4bf9c2 404 selfTest(src, stride, W, H, srcFormat, dstFormat);
4bf44785
RP
405end:
406 res = 0;
407error:
51d83986 408 av_free(data);
516b1f82 409
4bf44785 410 return res;
c9b99ea6 411}