1 /*
2 * Copyright (C)2009-2019 D. R. Commander. All Rights Reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * - Redistributions of source code must retain the above copyright notice,
8 * this list of conditions and the following disclaimer.
9 * - Redistributions in binary form must reproduce the above copyright notice,
10 * this list of conditions and the following disclaimer in the documentation
11 * and/or other materials provided with the distribution.
12 * - Neither the name of the libjpeg-turbo Project nor the names of its
13 * contributors may be used to endorse or promote products derived from this
14 * software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <string.h>
32 #include <ctype.h>
33 #include <math.h>
34 #include <errno.h>
35 #include <limits.h>
36 #include <cdjpeg.h>
37 #include "./tjutil.h"
38 #include "./turbojpeg.h"
39
40
41 #define THROW(op, err) { \
42 printf("ERROR in line %d while %s:\n%s\n", __LINE__, op, err); \
43 retval = -1; goto bailout; \
44 }
45 #define THROW_UNIX(m) THROW(m, strerror(errno))
46
47 char tjErrorStr[JMSG_LENGTH_MAX] = "\0", tjErrorMsg[JMSG_LENGTH_MAX] = "\0";
48 int tjErrorLine = -1, tjErrorCode = -1;
49
50 #define THROW_TJG(m) { \
51 printf("ERROR in line %d while %s:\n%s\n", __LINE__, m, \
52 tjGetErrorStr2(NULL)); \
53 retval = -1; goto bailout; \
54 }
55
56 #define THROW_TJ(m) { \
57 int _tjErrorCode = tjGetErrorCode(handle); \
58 char *_tjErrorStr = tjGetErrorStr2(handle); \
59 \
60 if (!(flags & TJFLAG_STOPONWARNING) && _tjErrorCode == TJERR_WARNING) { \
61 if (strncmp(tjErrorStr, _tjErrorStr, JMSG_LENGTH_MAX) || \
62 strncmp(tjErrorMsg, m, JMSG_LENGTH_MAX) || \
63 tjErrorCode != _tjErrorCode || tjErrorLine != __LINE__) { \
64 strncpy(tjErrorStr, _tjErrorStr, JMSG_LENGTH_MAX - 1); \
65 strncpy(tjErrorMsg, m, JMSG_LENGTH_MAX - 1); \
66 tjErrorCode = _tjErrorCode; \
67 tjErrorLine = __LINE__; \
68 printf("WARNING in line %d while %s:\n%s\n", __LINE__, m, _tjErrorStr); \
69 } \
70 } else { \
71 printf("%s in line %d while %s:\n%s\n", \
72 _tjErrorCode == TJERR_WARNING ? "WARNING" : "ERROR", __LINE__, m, \
73 _tjErrorStr); \
74 retval = -1; goto bailout; \
75 } \
76 }
77
78 int flags = TJFLAG_NOREALLOC, compOnly = 0, decompOnly = 0, doYUV = 0,
79 quiet = 0, doTile = 0, pf = TJPF_BGR, yuvPad = 1, doWrite = 1;
80 char *ext = "ppm";
81 const char *pixFormatStr[TJ_NUMPF] = {
82 "RGB", "BGR", "RGBX", "BGRX", "XBGR", "XRGB", "GRAY", "", "", "", "", "CMYK"
83 };
84 const char *subNameLong[TJ_NUMSAMP] = {
85 "4:4:4", "4:2:2", "4:2:0", "GRAY", "4:4:0", "4:1:1"
86 };
87 const char *csName[TJ_NUMCS] = {
88 "RGB", "YCbCr", "GRAY", "CMYK", "YCCK"
89 };
90 const char *subName[TJ_NUMSAMP] = {
91 "444", "422", "420", "GRAY", "440", "411"
92 };
93 tjscalingfactor *scalingFactors = NULL, sf = { 1, 1 };
94 int nsf = 0, xformOp = TJXOP_NONE, xformOpt = 0;
95 int (*customFilter) (short *, tjregion, tjregion, int, int, tjtransform *);
96 double benchTime = 5.0, warmup = 1.0;
97
98
formatName(int subsamp,int cs,char * buf)99 char *formatName(int subsamp, int cs, char *buf)
100 {
101 if (cs == TJCS_YCbCr)
102 return (char *)subNameLong[subsamp];
103 else if (cs == TJCS_YCCK || cs == TJCS_CMYK) {
104 snprintf(buf, 80, "%s %s", csName[cs], subNameLong[subsamp]);
105 return buf;
106 } else
107 return (char *)csName[cs];
108 }
109
110
sigfig(double val,int figs,char * buf,int len)111 char *sigfig(double val, int figs, char *buf, int len)
112 {
113 char format[80];
114 int digitsAfterDecimal = figs - (int)ceil(log10(fabs(val)));
115
116 if (digitsAfterDecimal < 1)
117 snprintf(format, 80, "%%.0f");
118 else
119 snprintf(format, 80, "%%.%df", digitsAfterDecimal);
120 snprintf(buf, len, format, val);
121 return buf;
122 }
123
124
125 /* Custom DCT filter which produces a negative of the image */
dummyDCTFilter(short * coeffs,tjregion arrayRegion,tjregion planeRegion,int componentIndex,int transformIndex,tjtransform * transform)126 int dummyDCTFilter(short *coeffs, tjregion arrayRegion, tjregion planeRegion,
127 int componentIndex, int transformIndex,
128 tjtransform *transform)
129 {
130 int i;
131
132 for (i = 0; i < arrayRegion.w * arrayRegion.h; i++)
133 coeffs[i] = -coeffs[i];
134 return 0;
135 }
136
137
138 /* Decompression test */
decomp(unsigned char * srcBuf,unsigned char ** jpegBuf,unsigned long * jpegSize,unsigned char * dstBuf,int w,int h,int subsamp,int jpegQual,char * fileName,int tilew,int tileh)139 int decomp(unsigned char *srcBuf, unsigned char **jpegBuf,
140 unsigned long *jpegSize, unsigned char *dstBuf, int w, int h,
141 int subsamp, int jpegQual, char *fileName, int tilew, int tileh)
142 {
143 char tempStr[1024], sizeStr[20] = "\0", qualStr[13] = "\0", *ptr;
144 FILE *file = NULL;
145 tjhandle handle = NULL;
146 int row, col, iter = 0, dstBufAlloc = 0, retval = 0;
147 double elapsed, elapsedDecode;
148 int ps = tjPixelSize[pf];
149 int scaledw = TJSCALED(w, sf);
150 int scaledh = TJSCALED(h, sf);
151 int pitch = scaledw * ps;
152 int ntilesw = (w + tilew - 1) / tilew, ntilesh = (h + tileh - 1) / tileh;
153 unsigned char *dstPtr, *dstPtr2, *yuvBuf = NULL;
154
155 if (jpegQual > 0) {
156 snprintf(qualStr, 13, "_Q%d", jpegQual);
157 qualStr[12] = 0;
158 }
159
160 if ((handle = tjInitDecompress()) == NULL)
161 THROW_TJ("executing tjInitDecompress()");
162
163 if (dstBuf == NULL) {
164 if ((unsigned long long)pitch * (unsigned long long)scaledh >
165 (unsigned long long)((size_t)-1))
166 THROW("allocating destination buffer", "Image is too large");
167 if ((dstBuf = (unsigned char *)malloc((size_t)pitch * scaledh)) == NULL)
168 THROW_UNIX("allocating destination buffer");
169 dstBufAlloc = 1;
170 }
171 /* Set the destination buffer to gray so we know whether the decompressor
172 attempted to write to it */
173 memset(dstBuf, 127, pitch * scaledh);
174
175 if (doYUV) {
176 int width = doTile ? tilew : scaledw;
177 int height = doTile ? tileh : scaledh;
178 unsigned long yuvSize = tjBufSizeYUV2(width, yuvPad, height, subsamp);
179
180 if (yuvSize == (unsigned long)-1)
181 THROW_TJ("allocating YUV buffer");
182 if ((yuvBuf = (unsigned char *)malloc(yuvSize)) == NULL)
183 THROW_UNIX("allocating YUV buffer");
184 memset(yuvBuf, 127, yuvSize);
185 }
186
187 /* Benchmark */
188 iter = -1;
189 elapsed = elapsedDecode = 0.;
190 while (1) {
191 int tile = 0;
192 double start = getTime();
193
194 for (row = 0, dstPtr = dstBuf; row < ntilesh;
195 row++, dstPtr += pitch * tileh) {
196 for (col = 0, dstPtr2 = dstPtr; col < ntilesw;
197 col++, tile++, dstPtr2 += ps * tilew) {
198 int width = doTile ? min(tilew, w - col * tilew) : scaledw;
199 int height = doTile ? min(tileh, h - row * tileh) : scaledh;
200
201 if (doYUV) {
202 double startDecode;
203
204 if (tjDecompressToYUV2(handle, jpegBuf[tile], jpegSize[tile], yuvBuf,
205 width, yuvPad, height, flags) == -1)
206 THROW_TJ("executing tjDecompressToYUV2()");
207 startDecode = getTime();
208 if (tjDecodeYUV(handle, yuvBuf, yuvPad, subsamp, dstPtr2, width,
209 pitch, height, pf, flags) == -1)
210 THROW_TJ("executing tjDecodeYUV()");
211 if (iter >= 0) elapsedDecode += getTime() - startDecode;
212 } else if (tjDecompress2(handle, jpegBuf[tile], jpegSize[tile],
213 dstPtr2, width, pitch, height, pf,
214 flags) == -1)
215 THROW_TJ("executing tjDecompress2()");
216 }
217 }
218 elapsed += getTime() - start;
219 if (iter >= 0) {
220 iter++;
221 if (elapsed >= benchTime) break;
222 } else if (elapsed >= warmup) {
223 iter = 0;
224 elapsed = elapsedDecode = 0.;
225 }
226 }
227 if (doYUV) elapsed -= elapsedDecode;
228
229 if (tjDestroy(handle) == -1) THROW_TJ("executing tjDestroy()");
230 handle = NULL;
231
232 if (quiet) {
233 printf("%-6s%s",
234 sigfig((double)(w * h) / 1000000. * (double)iter / elapsed, 4,
235 tempStr, 1024),
236 quiet == 2 ? "\n" : " ");
237 if (doYUV)
238 printf("%s\n",
239 sigfig((double)(w * h) / 1000000. * (double)iter / elapsedDecode,
240 4, tempStr, 1024));
241 else if (quiet != 2) printf("\n");
242 } else {
243 printf("%s --> Frame rate: %f fps\n",
244 doYUV ? "Decomp to YUV" : "Decompress ", (double)iter / elapsed);
245 printf(" Throughput: %f Megapixels/sec\n",
246 (double)(w * h) / 1000000. * (double)iter / elapsed);
247 if (doYUV) {
248 printf("YUV Decode --> Frame rate: %f fps\n",
249 (double)iter / elapsedDecode);
250 printf(" Throughput: %f Megapixels/sec\n",
251 (double)(w * h) / 1000000. * (double)iter / elapsedDecode);
252 }
253 }
254
255 if (!doWrite) goto bailout;
256
257 if (sf.num != 1 || sf.denom != 1)
258 snprintf(sizeStr, 20, "%d_%d", sf.num, sf.denom);
259 else if (tilew != w || tileh != h)
260 snprintf(sizeStr, 20, "%dx%d", tilew, tileh);
261 else snprintf(sizeStr, 20, "full");
262 if (decompOnly)
263 snprintf(tempStr, 1024, "%s_%s.%s", fileName, sizeStr, ext);
264 else
265 snprintf(tempStr, 1024, "%s_%s%s_%s.%s", fileName, subName[subsamp],
266 qualStr, sizeStr, ext);
267
268 if (tjSaveImage(tempStr, dstBuf, scaledw, 0, scaledh, pf, flags) == -1)
269 THROW_TJG("saving bitmap");
270 ptr = strrchr(tempStr, '.');
271 snprintf(ptr, 1024 - (ptr - tempStr), "-err.%s", ext);
272 if (srcBuf && sf.num == 1 && sf.denom == 1) {
273 if (!quiet) printf("Compression error written to %s.\n", tempStr);
274 if (subsamp == TJ_GRAYSCALE) {
275 unsigned long index, index2;
276
277 for (row = 0, index = 0; row < h; row++, index += pitch) {
278 for (col = 0, index2 = index; col < w; col++, index2 += ps) {
279 unsigned long rindex = index2 + tjRedOffset[pf];
280 unsigned long gindex = index2 + tjGreenOffset[pf];
281 unsigned long bindex = index2 + tjBlueOffset[pf];
282 int y = (int)((double)srcBuf[rindex] * 0.299 +
283 (double)srcBuf[gindex] * 0.587 +
284 (double)srcBuf[bindex] * 0.114 + 0.5);
285
286 if (y > 255) y = 255;
287 if (y < 0) y = 0;
288 dstBuf[rindex] = abs(dstBuf[rindex] - y);
289 dstBuf[gindex] = abs(dstBuf[gindex] - y);
290 dstBuf[bindex] = abs(dstBuf[bindex] - y);
291 }
292 }
293 } else {
294 for (row = 0; row < h; row++)
295 for (col = 0; col < w * ps; col++)
296 dstBuf[pitch * row + col] =
297 abs(dstBuf[pitch * row + col] - srcBuf[pitch * row + col]);
298 }
299 if (tjSaveImage(tempStr, dstBuf, w, 0, h, pf, flags) == -1)
300 THROW_TJG("saving bitmap");
301 }
302
303 bailout:
304 if (file) fclose(file);
305 if (handle) tjDestroy(handle);
306 if (dstBuf && dstBufAlloc) free(dstBuf);
307 if (yuvBuf) free(yuvBuf);
308 return retval;
309 }
310
311
fullTest(unsigned char * srcBuf,int w,int h,int subsamp,int jpegQual,char * fileName)312 int fullTest(unsigned char *srcBuf, int w, int h, int subsamp, int jpegQual,
313 char *fileName)
314 {
315 char tempStr[1024], tempStr2[80];
316 FILE *file = NULL;
317 tjhandle handle = NULL;
318 unsigned char **jpegBuf = NULL, *yuvBuf = NULL, *tmpBuf = NULL, *srcPtr,
319 *srcPtr2;
320 double start, elapsed, elapsedEncode;
321 int totalJpegSize = 0, row, col, i, tilew = w, tileh = h, retval = 0;
322 int iter;
323 unsigned long *jpegSize = NULL, yuvSize = 0;
324 int ps = tjPixelSize[pf];
325 int ntilesw = 1, ntilesh = 1, pitch = w * ps;
326 const char *pfStr = pixFormatStr[pf];
327
328 if ((unsigned long long)pitch * (unsigned long long)h >
329 (unsigned long long)((size_t)-1))
330 THROW("allocating temporary image buffer", "Image is too large");
331 if ((tmpBuf = (unsigned char *)malloc((size_t)pitch * h)) == NULL)
332 THROW_UNIX("allocating temporary image buffer");
333
334 if (!quiet)
335 printf(">>>>> %s (%s) <--> JPEG %s Q%d <<<<<\n", pfStr,
336 (flags & TJFLAG_BOTTOMUP) ? "Bottom-up" : "Top-down",
337 subNameLong[subsamp], jpegQual);
338
339 for (tilew = doTile ? 8 : w, tileh = doTile ? 8 : h; ;
340 tilew *= 2, tileh *= 2) {
341 if (tilew > w) tilew = w;
342 if (tileh > h) tileh = h;
343 ntilesw = (w + tilew - 1) / tilew;
344 ntilesh = (h + tileh - 1) / tileh;
345
346 if ((jpegBuf = (unsigned char **)malloc(sizeof(unsigned char *) *
347 ntilesw * ntilesh)) == NULL)
348 THROW_UNIX("allocating JPEG tile array");
349 memset(jpegBuf, 0, sizeof(unsigned char *) * ntilesw * ntilesh);
350 if ((jpegSize = (unsigned long *)malloc(sizeof(unsigned long) *
351 ntilesw * ntilesh)) == NULL)
352 THROW_UNIX("allocating JPEG size array");
353 memset(jpegSize, 0, sizeof(unsigned long) * ntilesw * ntilesh);
354
355 if ((flags & TJFLAG_NOREALLOC) != 0)
356 for (i = 0; i < ntilesw * ntilesh; i++) {
357 if (tjBufSize(tilew, tileh, subsamp) > (unsigned long)INT_MAX)
358 THROW("getting buffer size", "Image is too large");
359 if ((jpegBuf[i] = (unsigned char *)
360 tjAlloc(tjBufSize(tilew, tileh, subsamp))) == NULL)
361 THROW_UNIX("allocating JPEG tiles");
362 }
363
364 /* Compression test */
365 if (quiet == 1)
366 printf("%-4s (%s) %-5s %-3d ", pfStr,
367 (flags & TJFLAG_BOTTOMUP) ? "BU" : "TD", subNameLong[subsamp],
368 jpegQual);
369 for (i = 0; i < h; i++)
370 memcpy(&tmpBuf[pitch * i], &srcBuf[w * ps * i], w * ps);
371 if ((handle = tjInitCompress()) == NULL)
372 THROW_TJ("executing tjInitCompress()");
373
374 if (doYUV) {
375 yuvSize = tjBufSizeYUV2(tilew, yuvPad, tileh, subsamp);
376 if (yuvSize == (unsigned long)-1)
377 THROW_TJ("allocating YUV buffer");
378 if ((yuvBuf = (unsigned char *)malloc(yuvSize)) == NULL)
379 THROW_UNIX("allocating YUV buffer");
380 memset(yuvBuf, 127, yuvSize);
381 }
382
383 /* Benchmark */
384 iter = -1;
385 elapsed = elapsedEncode = 0.;
386 while (1) {
387 int tile = 0;
388
389 totalJpegSize = 0;
390 start = getTime();
391 for (row = 0, srcPtr = srcBuf; row < ntilesh;
392 row++, srcPtr += pitch * tileh) {
393 for (col = 0, srcPtr2 = srcPtr; col < ntilesw;
394 col++, tile++, srcPtr2 += ps * tilew) {
395 int width = min(tilew, w - col * tilew);
396 int height = min(tileh, h - row * tileh);
397
398 if (doYUV) {
399 double startEncode = getTime();
400
401 if (tjEncodeYUV3(handle, srcPtr2, width, pitch, height, pf, yuvBuf,
402 yuvPad, subsamp, flags) == -1)
403 THROW_TJ("executing tjEncodeYUV3()");
404 if (iter >= 0) elapsedEncode += getTime() - startEncode;
405 if (tjCompressFromYUV(handle, yuvBuf, width, yuvPad, height,
406 subsamp, &jpegBuf[tile], &jpegSize[tile],
407 jpegQual, flags) == -1)
408 THROW_TJ("executing tjCompressFromYUV()");
409 } else {
410 if (tjCompress2(handle, srcPtr2, width, pitch, height, pf,
411 &jpegBuf[tile], &jpegSize[tile], subsamp, jpegQual,
412 flags) == -1)
413 THROW_TJ("executing tjCompress2()");
414 }
415 totalJpegSize += jpegSize[tile];
416 }
417 }
418 elapsed += getTime() - start;
419 if (iter >= 0) {
420 iter++;
421 if (elapsed >= benchTime) break;
422 } else if (elapsed >= warmup) {
423 iter = 0;
424 elapsed = elapsedEncode = 0.;
425 }
426 }
427 if (doYUV) elapsed -= elapsedEncode;
428
429 if (tjDestroy(handle) == -1) THROW_TJ("executing tjDestroy()");
430 handle = NULL;
431
432 if (quiet == 1) printf("%-5d %-5d ", tilew, tileh);
433 if (quiet) {
434 if (doYUV)
435 printf("%-6s%s",
436 sigfig((double)(w * h) / 1000000. *
437 (double)iter / elapsedEncode, 4, tempStr, 1024),
438 quiet == 2 ? "\n" : " ");
439 printf("%-6s%s",
440 sigfig((double)(w * h) / 1000000. * (double)iter / elapsed, 4,
441 tempStr, 1024),
442 quiet == 2 ? "\n" : " ");
443 printf("%-6s%s",
444 sigfig((double)(w * h * ps) / (double)totalJpegSize, 4, tempStr2,
445 80),
446 quiet == 2 ? "\n" : " ");
447 } else {
448 printf("\n%s size: %d x %d\n", doTile ? "Tile" : "Image", tilew, tileh);
449 if (doYUV) {
450 printf("Encode YUV --> Frame rate: %f fps\n",
451 (double)iter / elapsedEncode);
452 printf(" Output image size: %lu bytes\n", yuvSize);
453 printf(" Compression ratio: %f:1\n",
454 (double)(w * h * ps) / (double)yuvSize);
455 printf(" Throughput: %f Megapixels/sec\n",
456 (double)(w * h) / 1000000. * (double)iter / elapsedEncode);
457 printf(" Output bit stream: %f Megabits/sec\n",
458 (double)yuvSize * 8. / 1000000. * (double)iter / elapsedEncode);
459 }
460 printf("%s --> Frame rate: %f fps\n",
461 doYUV ? "Comp from YUV" : "Compress ",
462 (double)iter / elapsed);
463 printf(" Output image size: %d bytes\n",
464 totalJpegSize);
465 printf(" Compression ratio: %f:1\n",
466 (double)(w * h * ps) / (double)totalJpegSize);
467 printf(" Throughput: %f Megapixels/sec\n",
468 (double)(w * h) / 1000000. * (double)iter / elapsed);
469 printf(" Output bit stream: %f Megabits/sec\n",
470 (double)totalJpegSize * 8. / 1000000. * (double)iter / elapsed);
471 }
472 if (tilew == w && tileh == h && doWrite) {
473 snprintf(tempStr, 1024, "%s_%s_Q%d.jpg", fileName, subName[subsamp],
474 jpegQual);
475 if ((file = fopen(tempStr, "wb")) == NULL)
476 THROW_UNIX("opening reference image");
477 if (fwrite(jpegBuf[0], jpegSize[0], 1, file) != 1)
478 THROW_UNIX("writing reference image");
479 fclose(file); file = NULL;
480 if (!quiet) printf("Reference image written to %s\n", tempStr);
481 }
482
483 /* Decompression test */
484 if (!compOnly) {
485 if (decomp(srcBuf, jpegBuf, jpegSize, tmpBuf, w, h, subsamp, jpegQual,
486 fileName, tilew, tileh) == -1)
487 goto bailout;
488 }
489
490 for (i = 0; i < ntilesw * ntilesh; i++) {
491 if (jpegBuf[i]) tjFree(jpegBuf[i]);
492 jpegBuf[i] = NULL;
493 }
494 free(jpegBuf); jpegBuf = NULL;
495 free(jpegSize); jpegSize = NULL;
496 if (doYUV) {
497 free(yuvBuf); yuvBuf = NULL;
498 }
499
500 if (tilew == w && tileh == h) break;
501 }
502
503 bailout:
504 if (file) { fclose(file); file = NULL; }
505 if (jpegBuf) {
506 for (i = 0; i < ntilesw * ntilesh; i++) {
507 if (jpegBuf[i]) tjFree(jpegBuf[i]);
508 jpegBuf[i] = NULL;
509 }
510 free(jpegBuf); jpegBuf = NULL;
511 }
512 if (yuvBuf) { free(yuvBuf); yuvBuf = NULL; }
513 if (jpegSize) { free(jpegSize); jpegSize = NULL; }
514 if (tmpBuf) { free(tmpBuf); tmpBuf = NULL; }
515 if (handle) { tjDestroy(handle); handle = NULL; }
516 return retval;
517 }
518
519
decompTest(char * fileName)520 int decompTest(char *fileName)
521 {
522 FILE *file = NULL;
523 tjhandle handle = NULL;
524 unsigned char **jpegBuf = NULL, *srcBuf = NULL;
525 unsigned long *jpegSize = NULL, srcSize, totalJpegSize;
526 tjtransform *t = NULL;
527 double start, elapsed;
528 int ps = tjPixelSize[pf], tile, row, col, i, iter, retval = 0, decompsrc = 0;
529 char *temp = NULL, tempStr[80], tempStr2[80];
530 /* Original image */
531 int w = 0, h = 0, tilew, tileh, ntilesw = 1, ntilesh = 1, subsamp = -1,
532 cs = -1;
533 /* Transformed image */
534 int tw, th, ttilew, ttileh, tntilesw, tntilesh, tsubsamp;
535
536 if ((file = fopen(fileName, "rb")) == NULL)
537 THROW_UNIX("opening file");
538 if (fseek(file, 0, SEEK_END) < 0 ||
539 (srcSize = ftell(file)) == (unsigned long)-1)
540 THROW_UNIX("determining file size");
541 if ((srcBuf = (unsigned char *)malloc(srcSize)) == NULL)
542 THROW_UNIX("allocating memory");
543 if (fseek(file, 0, SEEK_SET) < 0)
544 THROW_UNIX("setting file position");
545 if (fread(srcBuf, srcSize, 1, file) < 1)
546 THROW_UNIX("reading JPEG data");
547 fclose(file); file = NULL;
548
549 temp = strrchr(fileName, '.');
550 if (temp != NULL) *temp = '\0';
551
552 if ((handle = tjInitTransform()) == NULL)
553 THROW_TJ("executing tjInitTransform()");
554 if (tjDecompressHeader3(handle, srcBuf, srcSize, &w, &h, &subsamp,
555 &cs) == -1)
556 THROW_TJ("executing tjDecompressHeader3()");
557 if (w < 1 || h < 1)
558 THROW("reading JPEG header", "Invalid image dimensions");
559 if (cs == TJCS_YCCK || cs == TJCS_CMYK) {
560 pf = TJPF_CMYK; ps = tjPixelSize[pf];
561 }
562
563 if (quiet == 1) {
564 printf("All performance values in Mpixels/sec\n\n");
565 printf("Bitmap JPEG JPEG %s %s Xform Comp Decomp ",
566 doTile ? "Tile " : "Image", doTile ? "Tile " : "Image");
567 if (doYUV) printf("Decode");
568 printf("\n");
569 printf("Format CS Subsamp Width Height Perf Ratio Perf ");
570 if (doYUV) printf("Perf");
571 printf("\n\n");
572 } else if (!quiet)
573 printf(">>>>> JPEG %s --> %s (%s) <<<<<\n",
574 formatName(subsamp, cs, tempStr), pixFormatStr[pf],
575 (flags & TJFLAG_BOTTOMUP) ? "Bottom-up" : "Top-down");
576
577 for (tilew = doTile ? 16 : w, tileh = doTile ? 16 : h; ;
578 tilew *= 2, tileh *= 2) {
579 if (tilew > w) tilew = w;
580 if (tileh > h) tileh = h;
581 ntilesw = (w + tilew - 1) / tilew;
582 ntilesh = (h + tileh - 1) / tileh;
583
584 if ((jpegBuf = (unsigned char **)malloc(sizeof(unsigned char *) *
585 ntilesw * ntilesh)) == NULL)
586 THROW_UNIX("allocating JPEG tile array");
587 memset(jpegBuf, 0, sizeof(unsigned char *) * ntilesw * ntilesh);
588 if ((jpegSize = (unsigned long *)malloc(sizeof(unsigned long) *
589 ntilesw * ntilesh)) == NULL)
590 THROW_UNIX("allocating JPEG size array");
591 memset(jpegSize, 0, sizeof(unsigned long) * ntilesw * ntilesh);
592
593 if ((flags & TJFLAG_NOREALLOC) != 0 &&
594 (doTile || xformOp != TJXOP_NONE || xformOpt != 0 || customFilter))
595 for (i = 0; i < ntilesw * ntilesh; i++) {
596 if (tjBufSize(tilew, tileh, subsamp) > (unsigned long)INT_MAX)
597 THROW("getting buffer size", "Image is too large");
598 if ((jpegBuf[i] = (unsigned char *)
599 tjAlloc(tjBufSize(tilew, tileh, subsamp))) == NULL)
600 THROW_UNIX("allocating JPEG tiles");
601 }
602
603 tw = w; th = h; ttilew = tilew; ttileh = tileh;
604 if (!quiet) {
605 printf("\n%s size: %d x %d", doTile ? "Tile" : "Image", ttilew, ttileh);
606 if (sf.num != 1 || sf.denom != 1)
607 printf(" --> %d x %d", TJSCALED(tw, sf), TJSCALED(th, sf));
608 printf("\n");
609 } else if (quiet == 1) {
610 printf("%-4s (%s) %-5s %-5s ", pixFormatStr[pf],
611 (flags & TJFLAG_BOTTOMUP) ? "BU" : "TD", csName[cs],
612 subNameLong[subsamp]);
613 printf("%-5d %-5d ", tilew, tileh);
614 }
615
616 tsubsamp = subsamp;
617 if (doTile || xformOp != TJXOP_NONE || xformOpt != 0 || customFilter) {
618 if ((t = (tjtransform *)malloc(sizeof(tjtransform) * ntilesw *
619 ntilesh)) == NULL)
620 THROW_UNIX("allocating image transform array");
621
622 if (xformOp == TJXOP_TRANSPOSE || xformOp == TJXOP_TRANSVERSE ||
623 xformOp == TJXOP_ROT90 || xformOp == TJXOP_ROT270) {
624 tw = h; th = w; ttilew = tileh; ttileh = tilew;
625 }
626
627 if (xformOpt & TJXOPT_GRAY) tsubsamp = TJ_GRAYSCALE;
628 if (xformOp == TJXOP_HFLIP || xformOp == TJXOP_ROT180)
629 tw = tw - (tw % tjMCUWidth[tsubsamp]);
630 if (xformOp == TJXOP_VFLIP || xformOp == TJXOP_ROT180)
631 th = th - (th % tjMCUHeight[tsubsamp]);
632 if (xformOp == TJXOP_TRANSVERSE || xformOp == TJXOP_ROT90)
633 tw = tw - (tw % tjMCUHeight[tsubsamp]);
634 if (xformOp == TJXOP_TRANSVERSE || xformOp == TJXOP_ROT270)
635 th = th - (th % tjMCUWidth[tsubsamp]);
636 tntilesw = (tw + ttilew - 1) / ttilew;
637 tntilesh = (th + ttileh - 1) / ttileh;
638
639 if (xformOp == TJXOP_TRANSPOSE || xformOp == TJXOP_TRANSVERSE ||
640 xformOp == TJXOP_ROT90 || xformOp == TJXOP_ROT270) {
641 if (tsubsamp == TJSAMP_422) tsubsamp = TJSAMP_440;
642 else if (tsubsamp == TJSAMP_440) tsubsamp = TJSAMP_422;
643 }
644
645 for (row = 0, tile = 0; row < tntilesh; row++) {
646 for (col = 0; col < tntilesw; col++, tile++) {
647 t[tile].r.w = min(ttilew, tw - col * ttilew);
648 t[tile].r.h = min(ttileh, th - row * ttileh);
649 t[tile].r.x = col * ttilew;
650 t[tile].r.y = row * ttileh;
651 t[tile].op = xformOp;
652 t[tile].options = xformOpt | TJXOPT_TRIM;
653 t[tile].customFilter = customFilter;
654 if (t[tile].options & TJXOPT_NOOUTPUT && jpegBuf[tile]) {
655 tjFree(jpegBuf[tile]); jpegBuf[tile] = NULL;
656 }
657 }
658 }
659
660 iter = -1;
661 elapsed = 0.;
662 while (1) {
663 start = getTime();
664 if (tjTransform(handle, srcBuf, srcSize, tntilesw * tntilesh, jpegBuf,
665 jpegSize, t, flags) == -1)
666 THROW_TJ("executing tjTransform()");
667 elapsed += getTime() - start;
668 if (iter >= 0) {
669 iter++;
670 if (elapsed >= benchTime) break;
671 } else if (elapsed >= warmup) {
672 iter = 0;
673 elapsed = 0.;
674 }
675 }
676
677 free(t); t = NULL;
678
679 for (tile = 0, totalJpegSize = 0; tile < tntilesw * tntilesh; tile++)
680 totalJpegSize += jpegSize[tile];
681
682 if (quiet) {
683 printf("%-6s%s%-6s%s",
684 sigfig((double)(w * h) / 1000000. / elapsed, 4, tempStr, 80),
685 quiet == 2 ? "\n" : " ",
686 sigfig((double)(w * h * ps) / (double)totalJpegSize, 4,
687 tempStr2, 80),
688 quiet == 2 ? "\n" : " ");
689 } else if (!quiet) {
690 printf("Transform --> Frame rate: %f fps\n",
691 1.0 / elapsed);
692 printf(" Output image size: %lu bytes\n",
693 totalJpegSize);
694 printf(" Compression ratio: %f:1\n",
695 (double)(w * h * ps) / (double)totalJpegSize);
696 printf(" Throughput: %f Megapixels/sec\n",
697 (double)(w * h) / 1000000. / elapsed);
698 printf(" Output bit stream: %f Megabits/sec\n",
699 (double)totalJpegSize * 8. / 1000000. / elapsed);
700 }
701 } else {
702 if (quiet == 1) printf("N/A N/A ");
703 if(jpegBuf[0]) tjFree(jpegBuf[0]);
704 jpegBuf[0] = NULL;
705 decompsrc = 1;
706 }
707
708 if (w == tilew) ttilew = tw;
709 if (h == tileh) ttileh = th;
710 if (!(xformOpt & TJXOPT_NOOUTPUT)) {
711 if (decomp(NULL, decompsrc ? &srcBuf : jpegBuf,
712 decompsrc ? &srcSize : jpegSize, NULL, tw, th, tsubsamp, 0,
713 fileName, ttilew, ttileh) == -1)
714 goto bailout;
715 } else if (quiet == 1) printf("N/A\n");
716
717 for (i = 0; i < ntilesw * ntilesh; i++) {
718 if(jpegBuf[i]) tjFree(jpegBuf[i]);
719 jpegBuf[i] = NULL;
720 }
721 free(jpegBuf); jpegBuf = NULL;
722 if (jpegSize) { free(jpegSize); jpegSize = NULL; }
723
724 if (tilew == w && tileh == h) break;
725 }
726
727 bailout:
728 if (file) { fclose(file); file = NULL; }
729 if (jpegBuf) {
730 for (i = 0; i < ntilesw * ntilesh; i++) {
731 if (jpegBuf[i]) tjFree(jpegBuf[i]);
732 jpegBuf[i] = NULL;
733 }
734 free(jpegBuf); jpegBuf = NULL;
735 }
736 if (jpegSize) { free(jpegSize); jpegSize = NULL; }
737 if (srcBuf) { free(srcBuf); srcBuf = NULL; }
738 if (t) { free(t); t = NULL; }
739 if (handle) { tjDestroy(handle); handle = NULL; }
740 return retval;
741 }
742
743
usage(char * progName)744 void usage(char *progName)
745 {
746 int i;
747
748 printf("USAGE: %s\n", progName);
749 printf(" <Inputfile (BMP|PPM)> <Quality> [options]\n\n");
750 printf(" %s\n", progName);
751 printf(" <Inputfile (JPG)> [options]\n\n");
752 printf("Options:\n\n");
753 printf("-alloc = Dynamically allocate JPEG image buffers\n");
754 printf("-bmp = Generate output images in Windows Bitmap format (default = PPM)\n");
755 printf("-bottomup = Test bottom-up compression/decompression\n");
756 printf("-tile = Test performance of the codec when the image is encoded as separate\n");
757 printf(" tiles of varying sizes.\n");
758 printf("-rgb, -bgr, -rgbx, -bgrx, -xbgr, -xrgb =\n");
759 printf(" Test the specified color conversion path in the codec (default = BGR)\n");
760 printf("-cmyk = Indirectly test YCCK JPEG compression/decompression (the source\n");
761 printf(" and destination bitmaps are still RGB. The conversion is done\n");
762 printf(" internally prior to compression or after decompression.)\n");
763 printf("-fastupsample = Use the fastest chrominance upsampling algorithm available in\n");
764 printf(" the underlying codec\n");
765 printf("-fastdct = Use the fastest DCT/IDCT algorithms available in the underlying\n");
766 printf(" codec\n");
767 printf("-accuratedct = Use the most accurate DCT/IDCT algorithms available in the\n");
768 printf(" underlying codec\n");
769 printf("-progressive = Use progressive entropy coding in JPEG images generated by\n");
770 printf(" compression and transform operations.\n");
771 printf("-subsamp <s> = When testing JPEG compression, this option specifies the level\n");
772 printf(" of chrominance subsampling to use (<s> = 444, 422, 440, 420, 411, or\n");
773 printf(" GRAY). The default is to test Grayscale, 4:2:0, 4:2:2, and 4:4:4 in\n");
774 printf(" sequence.\n");
775 printf("-quiet = Output results in tabular rather than verbose format\n");
776 printf("-yuv = Test YUV encoding/decoding functions\n");
777 printf("-yuvpad <p> = If testing YUV encoding/decoding, this specifies the number of\n");
778 printf(" bytes to which each row of each plane in the intermediate YUV image is\n");
779 printf(" padded (default = 1)\n");
780 printf("-scale M/N = Scale down the width/height of the decompressed JPEG image by a\n");
781 printf(" factor of M/N (M/N = ");
782 for (i = 0; i < nsf; i++) {
783 printf("%d/%d", scalingFactors[i].num, scalingFactors[i].denom);
784 if (nsf == 2 && i != nsf - 1) printf(" or ");
785 else if (nsf > 2) {
786 if (i != nsf - 1) printf(", ");
787 if (i == nsf - 2) printf("or ");
788 }
789 if (i % 8 == 0 && i != 0) printf("\n ");
790 }
791 printf(")\n");
792 printf("-hflip, -vflip, -transpose, -transverse, -rot90, -rot180, -rot270 =\n");
793 printf(" Perform the corresponding lossless transform prior to\n");
794 printf(" decompression (these options are mutually exclusive)\n");
795 printf("-grayscale = Perform lossless grayscale conversion prior to decompression\n");
796 printf(" test (can be combined with the other transforms above)\n");
797 printf("-copynone = Do not copy any extra markers (including EXIF and ICC profile data)\n");
798 printf(" when transforming the image.\n");
799 printf("-benchtime <t> = Run each benchmark for at least <t> seconds (default = 5.0)\n");
800 printf("-warmup <t> = Run each benchmark for <t> seconds (default = 1.0) prior to\n");
801 printf(" starting the timer, in order to prime the caches and thus improve the\n");
802 printf(" consistency of the results.\n");
803 printf("-componly = Stop after running compression tests. Do not test decompression.\n");
804 printf("-nowrite = Do not write reference or output images (improves consistency of\n");
805 printf(" performance measurements.)\n");
806 printf("-stoponwarning = Immediately discontinue the current\n");
807 printf(" compression/decompression/transform operation if the underlying codec\n");
808 printf(" throws a warning (non-fatal error)\n\n");
809 printf("NOTE: If the quality is specified as a range (e.g. 90-100), a separate\n");
810 printf("test will be performed for all quality values in the range.\n\n");
811 exit(1);
812 }
813
814
main(int argc,char * argv[])815 int main(int argc, char *argv[])
816 {
817 unsigned char *srcBuf = NULL;
818 int w = 0, h = 0, i, j, minQual = -1, maxQual = -1;
819 char *temp;
820 int minArg = 2, retval = 0, subsamp = -1;
821
822 if ((scalingFactors = tjGetScalingFactors(&nsf)) == NULL || nsf == 0)
823 THROW("executing tjGetScalingFactors()", tjGetErrorStr());
824
825 if (argc < minArg) usage(argv[0]);
826
827 temp = strrchr(argv[1], '.');
828 if (temp != NULL) {
829 if (!strcasecmp(temp, ".bmp")) ext = "bmp";
830 if (!strcasecmp(temp, ".jpg") || !strcasecmp(temp, ".jpeg"))
831 decompOnly = 1;
832 }
833
834 printf("\n");
835
836 if (!decompOnly) {
837 minArg = 3;
838 if (argc < minArg) usage(argv[0]);
839 if ((minQual = atoi(argv[2])) < 1 || minQual > 100) {
840 puts("ERROR: Quality must be between 1 and 100.");
841 exit(1);
842 }
843 if ((temp = strchr(argv[2], '-')) != NULL && strlen(temp) > 1 &&
844 sscanf(&temp[1], "%d", &maxQual) == 1 && maxQual > minQual &&
845 maxQual >= 1 && maxQual <= 100) {}
846 else maxQual = minQual;
847 }
848
849 if (argc > minArg) {
850 for (i = minArg; i < argc; i++) {
851 if (!strcasecmp(argv[i], "-tile")) {
852 doTile = 1; xformOpt |= TJXOPT_CROP;
853 } else if (!strcasecmp(argv[i], "-fastupsample")) {
854 printf("Using fast upsampling code\n\n");
855 flags |= TJFLAG_FASTUPSAMPLE;
856 } else if (!strcasecmp(argv[i], "-fastdct")) {
857 printf("Using fastest DCT/IDCT algorithm\n\n");
858 flags |= TJFLAG_FASTDCT;
859 } else if (!strcasecmp(argv[i], "-accuratedct")) {
860 printf("Using most accurate DCT/IDCT algorithm\n\n");
861 flags |= TJFLAG_ACCURATEDCT;
862 } else if (!strcasecmp(argv[i], "-progressive")) {
863 printf("Using progressive entropy coding\n\n");
864 flags |= TJFLAG_PROGRESSIVE;
865 } else if (!strcasecmp(argv[i], "-rgb"))
866 pf = TJPF_RGB;
867 else if (!strcasecmp(argv[i], "-rgbx"))
868 pf = TJPF_RGBX;
869 else if (!strcasecmp(argv[i], "-bgr"))
870 pf = TJPF_BGR;
871 else if (!strcasecmp(argv[i], "-bgrx"))
872 pf = TJPF_BGRX;
873 else if (!strcasecmp(argv[i], "-xbgr"))
874 pf = TJPF_XBGR;
875 else if (!strcasecmp(argv[i], "-xrgb"))
876 pf = TJPF_XRGB;
877 else if (!strcasecmp(argv[i], "-cmyk"))
878 pf = TJPF_CMYK;
879 else if (!strcasecmp(argv[i], "-bottomup"))
880 flags |= TJFLAG_BOTTOMUP;
881 else if (!strcasecmp(argv[i], "-quiet"))
882 quiet = 1;
883 else if (!strcasecmp(argv[i], "-qq"))
884 quiet = 2;
885 else if (!strcasecmp(argv[i], "-scale") && i < argc - 1) {
886 int temp1 = 0, temp2 = 0, match = 0;
887
888 if (sscanf(argv[++i], "%d/%d", &temp1, &temp2) == 2) {
889 for (j = 0; j < nsf; j++) {
890 if ((double)temp1 / (double)temp2 ==
891 (double)scalingFactors[j].num /
892 (double)scalingFactors[j].denom) {
893 sf = scalingFactors[j];
894 match = 1; break;
895 }
896 }
897 if (!match) usage(argv[0]);
898 } else usage(argv[0]);
899 } else if (!strcasecmp(argv[i], "-hflip"))
900 xformOp = TJXOP_HFLIP;
901 else if (!strcasecmp(argv[i], "-vflip"))
902 xformOp = TJXOP_VFLIP;
903 else if (!strcasecmp(argv[i], "-transpose"))
904 xformOp = TJXOP_TRANSPOSE;
905 else if (!strcasecmp(argv[i], "-transverse"))
906 xformOp = TJXOP_TRANSVERSE;
907 else if (!strcasecmp(argv[i], "-rot90"))
908 xformOp = TJXOP_ROT90;
909 else if (!strcasecmp(argv[i], "-rot180"))
910 xformOp = TJXOP_ROT180;
911 else if (!strcasecmp(argv[i], "-rot270"))
912 xformOp = TJXOP_ROT270;
913 else if (!strcasecmp(argv[i], "-grayscale"))
914 xformOpt |= TJXOPT_GRAY;
915 else if (!strcasecmp(argv[i], "-custom"))
916 customFilter = dummyDCTFilter;
917 else if (!strcasecmp(argv[i], "-nooutput"))
918 xformOpt |= TJXOPT_NOOUTPUT;
919 else if (!strcasecmp(argv[i], "-copynone"))
920 xformOpt |= TJXOPT_COPYNONE;
921 else if (!strcasecmp(argv[i], "-benchtime") && i < argc - 1) {
922 double temp = atof(argv[++i]);
923
924 if (temp > 0.0) benchTime = temp;
925 else usage(argv[0]);
926 } else if (!strcasecmp(argv[i], "-warmup") && i < argc - 1) {
927 double temp = atof(argv[++i]);
928
929 if (temp >= 0.0) warmup = temp;
930 else usage(argv[0]);
931 printf("Warmup time = %.1f seconds\n\n", warmup);
932 } else if (!strcasecmp(argv[i], "-alloc"))
933 flags &= (~TJFLAG_NOREALLOC);
934 else if (!strcasecmp(argv[i], "-bmp"))
935 ext = "bmp";
936 else if (!strcasecmp(argv[i], "-yuv")) {
937 printf("Testing YUV planar encoding/decoding\n\n");
938 doYUV = 1;
939 } else if (!strcasecmp(argv[i], "-yuvpad") && i < argc - 1) {
940 int temp = atoi(argv[++i]);
941
942 if (temp >= 1) yuvPad = temp;
943 } else if (!strcasecmp(argv[i], "-subsamp") && i < argc - 1) {
944 i++;
945 if (toupper(argv[i][0]) == 'G') subsamp = TJSAMP_GRAY;
946 else {
947 int temp = atoi(argv[i]);
948
949 switch (temp) {
950 case 444: subsamp = TJSAMP_444; break;
951 case 422: subsamp = TJSAMP_422; break;
952 case 440: subsamp = TJSAMP_440; break;
953 case 420: subsamp = TJSAMP_420; break;
954 case 411: subsamp = TJSAMP_411; break;
955 }
956 }
957 } else if (!strcasecmp(argv[i], "-componly"))
958 compOnly = 1;
959 else if (!strcasecmp(argv[i], "-nowrite"))
960 doWrite = 0;
961 else if (!strcasecmp(argv[i], "-stoponwarning"))
962 flags |= TJFLAG_STOPONWARNING;
963 else usage(argv[0]);
964 }
965 }
966
967 if ((sf.num != 1 || sf.denom != 1) && doTile) {
968 printf("Disabling tiled compression/decompression tests, because those tests do not\n");
969 printf("work when scaled decompression is enabled.\n");
970 doTile = 0;
971 }
972
973 if ((flags & TJFLAG_NOREALLOC) == 0 && doTile) {
974 printf("Disabling tiled compression/decompression tests, because those tests do not\n");
975 printf("work when dynamic JPEG buffer allocation is enabled.\n\n");
976 doTile = 0;
977 }
978
979 if (!decompOnly) {
980 if ((srcBuf = tjLoadImage(argv[1], &w, 1, &h, &pf, flags)) == NULL)
981 THROW_TJG("loading bitmap");
982 temp = strrchr(argv[1], '.');
983 if (temp != NULL) *temp = '\0';
984 }
985
986 if (quiet == 1 && !decompOnly) {
987 printf("All performance values in Mpixels/sec\n\n");
988 printf("Bitmap JPEG JPEG %s %s ",
989 doTile ? "Tile " : "Image", doTile ? "Tile " : "Image");
990 if (doYUV) printf("Encode ");
991 printf("Comp Comp Decomp ");
992 if (doYUV) printf("Decode");
993 printf("\n");
994 printf("Format Subsamp Qual Width Height ");
995 if (doYUV) printf("Perf ");
996 printf("Perf Ratio Perf ");
997 if (doYUV) printf("Perf");
998 printf("\n\n");
999 }
1000
1001 if (decompOnly) {
1002 decompTest(argv[1]);
1003 printf("\n");
1004 goto bailout;
1005 }
1006 if (subsamp >= 0 && subsamp < TJ_NUMSAMP) {
1007 for (i = maxQual; i >= minQual; i--)
1008 fullTest(srcBuf, w, h, subsamp, i, argv[1]);
1009 printf("\n");
1010 } else {
1011 if (pf != TJPF_CMYK) {
1012 for (i = maxQual; i >= minQual; i--)
1013 fullTest(srcBuf, w, h, TJSAMP_GRAY, i, argv[1]);
1014 printf("\n");
1015 }
1016 for (i = maxQual; i >= minQual; i--)
1017 fullTest(srcBuf, w, h, TJSAMP_420, i, argv[1]);
1018 printf("\n");
1019 for (i = maxQual; i >= minQual; i--)
1020 fullTest(srcBuf, w, h, TJSAMP_422, i, argv[1]);
1021 printf("\n");
1022 for (i = maxQual; i >= minQual; i--)
1023 fullTest(srcBuf, w, h, TJSAMP_444, i, argv[1]);
1024 printf("\n");
1025 }
1026
1027 bailout:
1028 if (srcBuf) tjFree(srcBuf);
1029 return retval;
1030 }
1031