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1 /*
2  * Copyright (C)2009-2014, 2017-2018 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 /*
30  * This program tests the various code paths in the TurboJPEG C Wrapper
31  */
32 
33 #include <stdio.h>
34 #include <stdlib.h>
35 #include <string.h>
36 #include <errno.h>
37 #include "tjutil.h"
38 #include "turbojpeg.h"
39 #include "md5/md5.h"
40 #include "cmyk.h"
41 #ifdef _WIN32
42 #include <time.h>
43 #define random()  rand()
44 #else
45 #include <unistd.h>
46 #endif
47 
48 
usage(char * progName)49 void usage(char *progName)
50 {
51   printf("\nUSAGE: %s [options]\n\n", progName);
52   printf("Options:\n");
53   printf("-yuv = test YUV encoding/decoding support\n");
54   printf("-noyuvpad = do not pad each line of each Y, U, and V plane to the nearest\n");
55   printf("            4-byte boundary\n");
56   printf("-alloc = test automatic buffer allocation\n");
57   printf("-bmp = tjLoadImage()/tjSaveImage() unit test\n\n");
58   exit(1);
59 }
60 
61 
62 #define THROW_TJ() { \
63   printf("TurboJPEG ERROR:\n%s\n", tjGetErrorStr()); \
64   BAILOUT() \
65 }
66 #define TRY_TJ(f) { if ((f) == -1) THROW_TJ(); }
67 #define THROW(m) { printf("ERROR: %s\n", m);  BAILOUT() }
68 #define THROW_MD5(filename, md5sum, ref) { \
69   printf("\n%s has an MD5 sum of %s.\n   Should be %s.\n", filename, md5sum, \
70          ref); \
71   BAILOUT() \
72 }
73 
74 const char *subNameLong[TJ_NUMSAMP] = {
75   "4:4:4", "4:2:2", "4:2:0", "GRAY", "4:4:0", "4:1:1"
76 };
77 const char *subName[TJ_NUMSAMP] = {
78   "444", "422", "420", "GRAY", "440", "411"
79 };
80 
81 const char *pixFormatStr[TJ_NUMPF] = {
82   "RGB", "BGR", "RGBX", "BGRX", "XBGR", "XRGB", "Grayscale",
83   "RGBA", "BGRA", "ABGR", "ARGB", "CMYK"
84 };
85 
86 const int _3byteFormats[] = { TJPF_RGB, TJPF_BGR };
87 const int _4byteFormats[] = {
88   TJPF_RGBX, TJPF_BGRX, TJPF_XBGR, TJPF_XRGB, TJPF_CMYK
89 };
90 const int _onlyGray[] = { TJPF_GRAY };
91 const int _onlyRGB[] = { TJPF_RGB };
92 
93 int doYUV = 0, alloc = 0, pad = 4;
94 
95 int exitStatus = 0;
96 #define BAILOUT() { exitStatus = -1;  goto bailout; }
97 
98 
initBuf(unsigned char * buf,int w,int h,int pf,int flags)99 void initBuf(unsigned char *buf, int w, int h, int pf, int flags)
100 {
101   int roffset = tjRedOffset[pf];
102   int goffset = tjGreenOffset[pf];
103   int boffset = tjBlueOffset[pf];
104   int ps = tjPixelSize[pf];
105   int index, row, col, halfway = 16;
106 
107   if (pf == TJPF_GRAY) {
108     memset(buf, 0, w * h * ps);
109     for (row = 0; row < h; row++) {
110       for (col = 0; col < w; col++) {
111         if (flags & TJFLAG_BOTTOMUP) index = (h - row - 1) * w + col;
112         else index = row * w + col;
113         if (((row / 8) + (col / 8)) % 2 == 0)
114           buf[index] = (row < halfway) ? 255 : 0;
115         else buf[index] = (row < halfway) ? 76 : 226;
116       }
117     }
118   } else if (pf == TJPF_CMYK) {
119     memset(buf, 255, w * h * ps);
120     for (row = 0; row < h; row++) {
121       for (col = 0; col < w; col++) {
122         if (flags & TJFLAG_BOTTOMUP) index = (h - row - 1) * w + col;
123         else index = row * w + col;
124         if (((row / 8) + (col / 8)) % 2 == 0) {
125           if (row >= halfway) buf[index * ps + 3] = 0;
126         } else {
127           buf[index * ps + 2] = 0;
128           if (row < halfway) buf[index * ps + 1] = 0;
129         }
130       }
131     }
132   } else {
133     memset(buf, 0, w * h * ps);
134     for (row = 0; row < h; row++) {
135       for (col = 0; col < w; col++) {
136         if (flags & TJFLAG_BOTTOMUP) index = (h - row - 1) * w + col;
137         else index = row * w + col;
138         if (((row / 8) + (col / 8)) % 2 == 0) {
139           if (row < halfway) {
140             buf[index * ps + roffset] = 255;
141             buf[index * ps + goffset] = 255;
142             buf[index * ps + boffset] = 255;
143           }
144         } else {
145           buf[index * ps + roffset] = 255;
146           if (row >= halfway) buf[index * ps + goffset] = 255;
147         }
148       }
149     }
150   }
151 }
152 
153 
154 #define CHECKVAL(v, cv) { \
155   if (v < cv - 1 || v > cv + 1) { \
156     printf("\nComp. %s at %d,%d should be %d, not %d\n", #v, row, col, cv, \
157            v); \
158     retval = 0;  exitStatus = -1;  goto bailout; \
159   } \
160 }
161 
162 #define CHECKVAL0(v) { \
163   if (v > 1) { \
164     printf("\nComp. %s at %d,%d should be 0, not %d\n", #v, row, col, v); \
165     retval = 0;  exitStatus = -1;  goto bailout; \
166   } \
167 }
168 
169 #define CHECKVAL255(v) { \
170   if (v < 254) { \
171     printf("\nComp. %s at %d,%d should be 255, not %d\n", #v, row, col, v); \
172     retval = 0;  exitStatus = -1;  goto bailout; \
173   } \
174 }
175 
176 
checkBuf(unsigned char * buf,int w,int h,int pf,int subsamp,tjscalingfactor sf,int flags)177 int checkBuf(unsigned char *buf, int w, int h, int pf, int subsamp,
178              tjscalingfactor sf, int flags)
179 {
180   int roffset = tjRedOffset[pf];
181   int goffset = tjGreenOffset[pf];
182   int boffset = tjBlueOffset[pf];
183   int aoffset = tjAlphaOffset[pf];
184   int ps = tjPixelSize[pf];
185   int index, row, col, retval = 1;
186   int halfway = 16 * sf.num / sf.denom;
187   int blocksize = 8 * sf.num / sf.denom;
188 
189   if (pf == TJPF_GRAY) roffset = goffset = boffset = 0;
190 
191   if (pf == TJPF_CMYK) {
192     for (row = 0; row < h; row++) {
193       for (col = 0; col < w; col++) {
194         unsigned char c, m, y, k;
195 
196         if (flags & TJFLAG_BOTTOMUP) index = (h - row - 1) * w + col;
197         else index = row * w + col;
198         c = buf[index * ps];
199         m = buf[index * ps + 1];
200         y = buf[index * ps + 2];
201         k = buf[index * ps + 3];
202         if (((row / blocksize) + (col / blocksize)) % 2 == 0) {
203           CHECKVAL255(c);  CHECKVAL255(m);  CHECKVAL255(y);
204           if (row < halfway) CHECKVAL255(k)
205           else CHECKVAL0(k)
206         } else {
207           CHECKVAL255(c);  CHECKVAL0(y);  CHECKVAL255(k);
208           if (row < halfway) CHECKVAL0(m)
209           else CHECKVAL255(m)
210         }
211       }
212     }
213     return 1;
214   }
215 
216   for (row = 0; row < h; row++) {
217     for (col = 0; col < w; col++) {
218       unsigned char r, g, b, a;
219 
220       if (flags & TJFLAG_BOTTOMUP) index = (h - row - 1) * w + col;
221       else index = row * w + col;
222       r = buf[index * ps + roffset];
223       g = buf[index * ps + goffset];
224       b = buf[index * ps + boffset];
225       a = aoffset >= 0 ? buf[index * ps + aoffset] : 0xFF;
226       if (((row / blocksize) + (col / blocksize)) % 2 == 0) {
227         if (row < halfway) {
228           CHECKVAL255(r);  CHECKVAL255(g);  CHECKVAL255(b);
229         } else {
230           CHECKVAL0(r);  CHECKVAL0(g);  CHECKVAL0(b);
231         }
232       } else {
233         if (subsamp == TJSAMP_GRAY) {
234           if (row < halfway) {
235             CHECKVAL(r, 76);  CHECKVAL(g, 76);  CHECKVAL(b, 76);
236           } else {
237             CHECKVAL(r, 226);  CHECKVAL(g, 226);  CHECKVAL(b, 226);
238           }
239         } else {
240           if (row < halfway) {
241             CHECKVAL255(r);  CHECKVAL0(g);  CHECKVAL0(b);
242           } else {
243             CHECKVAL255(r);  CHECKVAL255(g);  CHECKVAL0(b);
244           }
245         }
246       }
247       CHECKVAL255(a);
248     }
249   }
250 
251 bailout:
252   if (retval == 0) {
253     for (row = 0; row < h; row++) {
254       for (col = 0; col < w; col++) {
255         if (pf == TJPF_CMYK)
256           printf("%.3d/%.3d/%.3d/%.3d ", buf[(row * w + col) * ps],
257                  buf[(row * w + col) * ps + 1], buf[(row * w + col) * ps + 2],
258                  buf[(row * w + col) * ps + 3]);
259         else
260           printf("%.3d/%.3d/%.3d ", buf[(row * w + col) * ps + roffset],
261                  buf[(row * w + col) * ps + goffset],
262                  buf[(row * w + col) * ps + boffset]);
263       }
264       printf("\n");
265     }
266   }
267   return retval;
268 }
269 
270 
271 #define PAD(v, p)  ((v + (p) - 1) & (~((p) - 1)))
272 
checkBufYUV(unsigned char * buf,int w,int h,int subsamp,tjscalingfactor sf)273 int checkBufYUV(unsigned char *buf, int w, int h, int subsamp,
274                 tjscalingfactor sf)
275 {
276   int row, col;
277   int hsf = tjMCUWidth[subsamp] / 8, vsf = tjMCUHeight[subsamp] / 8;
278   int pw = PAD(w, hsf), ph = PAD(h, vsf);
279   int cw = pw / hsf, ch = ph / vsf;
280   int ypitch = PAD(pw, pad), uvpitch = PAD(cw, pad);
281   int retval = 1;
282   int halfway = 16 * sf.num / sf.denom;
283   int blocksize = 8 * sf.num / sf.denom;
284 
285   for (row = 0; row < ph; row++) {
286     for (col = 0; col < pw; col++) {
287       unsigned char y = buf[ypitch * row + col];
288 
289       if (((row / blocksize) + (col / blocksize)) % 2 == 0) {
290         if (row < halfway) CHECKVAL255(y)
291         else CHECKVAL0(y);
292       } else {
293         if (row < halfway) CHECKVAL(y, 76)
294         else CHECKVAL(y, 226);
295       }
296     }
297   }
298   if (subsamp != TJSAMP_GRAY) {
299     int halfway = 16 / vsf * sf.num / sf.denom;
300 
301     for (row = 0; row < ch; row++) {
302       for (col = 0; col < cw; col++) {
303         unsigned char u = buf[ypitch * ph + (uvpitch * row + col)],
304           v = buf[ypitch * ph + uvpitch * ch + (uvpitch * row + col)];
305 
306         if (((row * vsf / blocksize) + (col * hsf / blocksize)) % 2 == 0) {
307           CHECKVAL(u, 128);  CHECKVAL(v, 128);
308         } else {
309           if (row < halfway) {
310             CHECKVAL(u, 85);  CHECKVAL255(v);
311           } else {
312             CHECKVAL0(u);  CHECKVAL(v, 149);
313           }
314         }
315       }
316     }
317   }
318 
319 bailout:
320   if (retval == 0) {
321     for (row = 0; row < ph; row++) {
322       for (col = 0; col < pw; col++)
323         printf("%.3d ", buf[ypitch * row + col]);
324       printf("\n");
325     }
326     printf("\n");
327     for (row = 0; row < ch; row++) {
328       for (col = 0; col < cw; col++)
329         printf("%.3d ", buf[ypitch * ph + (uvpitch * row + col)]);
330       printf("\n");
331     }
332     printf("\n");
333     for (row = 0; row < ch; row++) {
334       for (col = 0; col < cw; col++)
335         printf("%.3d ",
336                buf[ypitch * ph + uvpitch * ch + (uvpitch * row + col)]);
337       printf("\n");
338     }
339   }
340 
341   return retval;
342 }
343 
344 
writeJPEG(unsigned char * jpegBuf,unsigned long jpegSize,char * filename)345 void writeJPEG(unsigned char *jpegBuf, unsigned long jpegSize, char *filename)
346 {
347   FILE *file = fopen(filename, "wb");
348 
349   if (!file || fwrite(jpegBuf, jpegSize, 1, file) != 1) {
350     printf("ERROR: Could not write to %s.\n%s\n", filename, strerror(errno));
351     BAILOUT()
352   }
353 
354 bailout:
355   if (file) fclose(file);
356 }
357 
358 
compTest(tjhandle handle,unsigned char ** dstBuf,unsigned long * dstSize,int w,int h,int pf,char * basename,int subsamp,int jpegQual,int flags)359 void compTest(tjhandle handle, unsigned char **dstBuf, unsigned long *dstSize,
360               int w, int h, int pf, char *basename, int subsamp, int jpegQual,
361               int flags)
362 {
363   char tempStr[1024];
364   unsigned char *srcBuf = NULL, *yuvBuf = NULL;
365   const char *pfStr = pixFormatStr[pf];
366   const char *buStrLong =
367     (flags & TJFLAG_BOTTOMUP) ? "Bottom-Up" : "Top-Down ";
368   const char *buStr = (flags & TJFLAG_BOTTOMUP) ? "BU" : "TD";
369 
370   if ((srcBuf = (unsigned char *)malloc(w * h * tjPixelSize[pf])) == NULL)
371     THROW("Memory allocation failure");
372   initBuf(srcBuf, w, h, pf, flags);
373 
374   if (*dstBuf && *dstSize > 0) memset(*dstBuf, 0, *dstSize);
375 
376   if (!alloc) flags |= TJFLAG_NOREALLOC;
377   if (doYUV) {
378     unsigned long yuvSize = tjBufSizeYUV2(w, pad, h, subsamp);
379     tjscalingfactor sf = { 1, 1 };
380     tjhandle handle2 = tjInitCompress();
381 
382     if (!handle2) THROW_TJ();
383 
384     if ((yuvBuf = (unsigned char *)malloc(yuvSize)) == NULL)
385       THROW("Memory allocation failure");
386     memset(yuvBuf, 0, yuvSize);
387 
388     printf("%s %s -> YUV %s ... ", pfStr, buStrLong, subNameLong[subsamp]);
389     TRY_TJ(tjEncodeYUV3(handle2, srcBuf, w, 0, h, pf, yuvBuf, pad, subsamp,
390                         flags));
391     tjDestroy(handle2);
392     if (checkBufYUV(yuvBuf, w, h, subsamp, sf)) printf("Passed.\n");
393     else printf("FAILED!\n");
394 
395     printf("YUV %s %s -> JPEG Q%d ... ", subNameLong[subsamp], buStrLong,
396            jpegQual);
397     TRY_TJ(tjCompressFromYUV(handle, yuvBuf, w, pad, h, subsamp, dstBuf,
398                              dstSize, jpegQual, flags));
399   } else {
400     printf("%s %s -> %s Q%d ... ", pfStr, buStrLong, subNameLong[subsamp],
401            jpegQual);
402     TRY_TJ(tjCompress2(handle, srcBuf, w, 0, h, pf, dstBuf, dstSize, subsamp,
403                        jpegQual, flags));
404   }
405 
406   snprintf(tempStr, 1024, "%s_enc_%s_%s_%s_Q%d.jpg", basename, pfStr, buStr,
407            subName[subsamp], jpegQual);
408   writeJPEG(*dstBuf, *dstSize, tempStr);
409   printf("Done.\n  Result in %s\n", tempStr);
410 
411 bailout:
412   if (yuvBuf) free(yuvBuf);
413   if (srcBuf) free(srcBuf);
414 }
415 
416 
_decompTest(tjhandle handle,unsigned char * jpegBuf,unsigned long jpegSize,int w,int h,int pf,char * basename,int subsamp,int flags,tjscalingfactor sf)417 void _decompTest(tjhandle handle, unsigned char *jpegBuf,
418                  unsigned long jpegSize, int w, int h, int pf, char *basename,
419                  int subsamp, int flags, tjscalingfactor sf)
420 {
421   unsigned char *dstBuf = NULL, *yuvBuf = NULL;
422   int _hdrw = 0, _hdrh = 0, _hdrsubsamp = -1;
423   int scaledWidth = TJSCALED(w, sf);
424   int scaledHeight = TJSCALED(h, sf);
425   unsigned long dstSize = 0;
426 
427   TRY_TJ(tjDecompressHeader2(handle, jpegBuf, jpegSize, &_hdrw, &_hdrh,
428                              &_hdrsubsamp));
429   if (_hdrw != w || _hdrh != h || _hdrsubsamp != subsamp)
430     THROW("Incorrect JPEG header");
431 
432   dstSize = scaledWidth * scaledHeight * tjPixelSize[pf];
433   if ((dstBuf = (unsigned char *)malloc(dstSize)) == NULL)
434     THROW("Memory allocation failure");
435   memset(dstBuf, 0, dstSize);
436 
437   if (doYUV) {
438     unsigned long yuvSize = tjBufSizeYUV2(scaledWidth, pad, scaledHeight,
439                                           subsamp);
440     tjhandle handle2 = tjInitDecompress();
441 
442     if (!handle2) THROW_TJ();
443 
444     if ((yuvBuf = (unsigned char *)malloc(yuvSize)) == NULL)
445       THROW("Memory allocation failure");
446     memset(yuvBuf, 0, yuvSize);
447 
448     printf("JPEG -> YUV %s ", subNameLong[subsamp]);
449     if (sf.num != 1 || sf.denom != 1)
450       printf("%d/%d ... ", sf.num, sf.denom);
451     else printf("... ");
452     TRY_TJ(tjDecompressToYUV2(handle, jpegBuf, jpegSize, yuvBuf, scaledWidth,
453                               pad, scaledHeight, flags));
454     if (checkBufYUV(yuvBuf, scaledWidth, scaledHeight, subsamp, sf))
455       printf("Passed.\n");
456     else printf("FAILED!\n");
457 
458     printf("YUV %s -> %s %s ... ", subNameLong[subsamp], pixFormatStr[pf],
459            (flags & TJFLAG_BOTTOMUP) ? "Bottom-Up" : "Top-Down ");
460     TRY_TJ(tjDecodeYUV(handle2, yuvBuf, pad, subsamp, dstBuf, scaledWidth, 0,
461                        scaledHeight, pf, flags));
462     tjDestroy(handle2);
463   } else {
464     printf("JPEG -> %s %s ", pixFormatStr[pf],
465            (flags & TJFLAG_BOTTOMUP) ? "Bottom-Up" : "Top-Down ");
466     if (sf.num != 1 || sf.denom != 1)
467       printf("%d/%d ... ", sf.num, sf.denom);
468     else printf("... ");
469     TRY_TJ(tjDecompress2(handle, jpegBuf, jpegSize, dstBuf, scaledWidth, 0,
470                          scaledHeight, pf, flags));
471   }
472 
473   if (checkBuf(dstBuf, scaledWidth, scaledHeight, pf, subsamp, sf, flags))
474     printf("Passed.");
475   else printf("FAILED!");
476   printf("\n");
477 
478 bailout:
479   if (yuvBuf) free(yuvBuf);
480   if (dstBuf) free(dstBuf);
481 }
482 
483 
decompTest(tjhandle handle,unsigned char * jpegBuf,unsigned long jpegSize,int w,int h,int pf,char * basename,int subsamp,int flags)484 void decompTest(tjhandle handle, unsigned char *jpegBuf,
485                 unsigned long jpegSize, int w, int h, int pf, char *basename,
486                 int subsamp, int flags)
487 {
488   int i, n = 0;
489   tjscalingfactor *sf = tjGetScalingFactors(&n);
490 
491   if (!sf || !n) THROW_TJ();
492 
493   for (i = 0; i < n; i++) {
494     if (subsamp == TJSAMP_444 || subsamp == TJSAMP_GRAY ||
495         (subsamp == TJSAMP_411 && sf[i].num == 1 &&
496          (sf[i].denom == 2 || sf[i].denom == 1)) ||
497         (subsamp != TJSAMP_411 && sf[i].num == 1 &&
498          (sf[i].denom == 4 || sf[i].denom == 2 || sf[i].denom == 1)))
499       _decompTest(handle, jpegBuf, jpegSize, w, h, pf, basename, subsamp,
500                   flags, sf[i]);
501   }
502 
503 bailout:
504   return;
505 }
506 
507 
doTest(int w,int h,const int * formats,int nformats,int subsamp,char * basename)508 void doTest(int w, int h, const int *formats, int nformats, int subsamp,
509             char *basename)
510 {
511   tjhandle chandle = NULL, dhandle = NULL;
512   unsigned char *dstBuf = NULL;
513   unsigned long size = 0;
514   int pfi, pf, i;
515 
516   if (!alloc)
517     size = tjBufSize(w, h, subsamp);
518   if (size != 0)
519     if ((dstBuf = (unsigned char *)tjAlloc(size)) == NULL)
520       THROW("Memory allocation failure.");
521 
522   if ((chandle = tjInitCompress()) == NULL ||
523       (dhandle = tjInitDecompress()) == NULL)
524     THROW_TJ();
525 
526   for (pfi = 0; pfi < nformats; pfi++) {
527     for (i = 0; i < 2; i++) {
528       int flags = 0;
529 
530       if (subsamp == TJSAMP_422 || subsamp == TJSAMP_420 ||
531           subsamp == TJSAMP_440 || subsamp == TJSAMP_411)
532         flags |= TJFLAG_FASTUPSAMPLE;
533       if (i == 1) flags |= TJFLAG_BOTTOMUP;
534       pf = formats[pfi];
535       compTest(chandle, &dstBuf, &size, w, h, pf, basename, subsamp, 100,
536                flags);
537       decompTest(dhandle, dstBuf, size, w, h, pf, basename, subsamp, flags);
538       if (pf >= TJPF_RGBX && pf <= TJPF_XRGB) {
539         printf("\n");
540         decompTest(dhandle, dstBuf, size, w, h, pf + (TJPF_RGBA - TJPF_RGBX),
541                    basename, subsamp, flags);
542       }
543       printf("\n");
544     }
545   }
546   printf("--------------------\n\n");
547 
548 bailout:
549   if (chandle) tjDestroy(chandle);
550   if (dhandle) tjDestroy(dhandle);
551   if (dstBuf) tjFree(dstBuf);
552 }
553 
554 
555 #if SIZEOF_SIZE_T == 8
556 #define CHECKSIZE(function) { \
557   if ((unsigned long long)size < (unsigned long long)0xFFFFFFFF) \
558     THROW(#function " overflow"); \
559 }
560 #else
561 #define CHECKSIZE(function) { \
562   if (size != (unsigned long)(-1) || \
563       !strcmp(tjGetErrorStr2(NULL), "No error")) \
564     THROW(#function " overflow"); \
565 }
566 #endif
567 
overflowTest(void)568 static void overflowTest(void)
569 {
570   /* Ensure that the various buffer size functions don't overflow */
571   unsigned long size;
572 
573   size = tjBufSize(26755, 26755, TJSAMP_444);
574   CHECKSIZE(tjBufSize());
575   size = TJBUFSIZE(26755, 26755);
576   CHECKSIZE(TJBUFSIZE());
577   size = tjBufSizeYUV2(37838, 1, 37838, TJSAMP_444);
578   CHECKSIZE(tjBufSizeYUV2());
579   size = TJBUFSIZEYUV(37838, 37838, TJSAMP_444);
580   CHECKSIZE(TJBUFSIZEYUV());
581   size = tjBufSizeYUV(37838, 37838, TJSAMP_444);
582   CHECKSIZE(tjBufSizeYUV());
583   size = tjPlaneSizeYUV(0, 65536, 0, 65536, TJSAMP_444);
584   CHECKSIZE(tjPlaneSizeYUV());
585 
586 bailout:
587   return;
588 }
589 
590 
bufSizeTest(void)591 static void bufSizeTest(void)
592 {
593   int w, h, i, subsamp;
594   unsigned char *srcBuf = NULL, *dstBuf = NULL;
595   tjhandle handle = NULL;
596   unsigned long dstSize = 0;
597 
598   if ((handle = tjInitCompress()) == NULL) THROW_TJ();
599 
600   printf("Buffer size regression test\n");
601   for (subsamp = 0; subsamp < TJ_NUMSAMP; subsamp++) {
602     for (w = 1; w < 48; w++) {
603       int maxh = (w == 1) ? 2048 : 48;
604 
605       for (h = 1; h < maxh; h++) {
606         if (h % 100 == 0) printf("%.4d x %.4d\b\b\b\b\b\b\b\b\b\b\b", w, h);
607         if ((srcBuf = (unsigned char *)malloc(w * h * 4)) == NULL)
608           THROW("Memory allocation failure");
609         if (!alloc || doYUV) {
610           if (doYUV) dstSize = tjBufSizeYUV2(w, pad, h, subsamp);
611           else dstSize = tjBufSize(w, h, subsamp);
612           if ((dstBuf = (unsigned char *)tjAlloc(dstSize)) == NULL)
613             THROW("Memory allocation failure");
614         }
615 
616         for (i = 0; i < w * h * 4; i++) {
617           if (random() < RAND_MAX / 2) srcBuf[i] = 0;
618           else srcBuf[i] = 255;
619         }
620 
621         if (doYUV) {
622           TRY_TJ(tjEncodeYUV3(handle, srcBuf, w, 0, h, TJPF_BGRX, dstBuf, pad,
623                               subsamp, 0));
624         } else {
625           TRY_TJ(tjCompress2(handle, srcBuf, w, 0, h, TJPF_BGRX, &dstBuf,
626                              &dstSize, subsamp, 100,
627                              alloc ? 0 : TJFLAG_NOREALLOC));
628         }
629         free(srcBuf);  srcBuf = NULL;
630         if (!alloc || doYUV) {
631           tjFree(dstBuf);  dstBuf = NULL;
632         }
633 
634         if ((srcBuf = (unsigned char *)malloc(h * w * 4)) == NULL)
635           THROW("Memory allocation failure");
636         if (!alloc || doYUV) {
637           if (doYUV) dstSize = tjBufSizeYUV2(h, pad, w, subsamp);
638           else dstSize = tjBufSize(h, w, subsamp);
639           if ((dstBuf = (unsigned char *)tjAlloc(dstSize)) == NULL)
640             THROW("Memory allocation failure");
641         }
642 
643         for (i = 0; i < h * w * 4; i++) {
644           if (random() < RAND_MAX / 2) srcBuf[i] = 0;
645           else srcBuf[i] = 255;
646         }
647 
648         if (doYUV) {
649           TRY_TJ(tjEncodeYUV3(handle, srcBuf, h, 0, w, TJPF_BGRX, dstBuf, pad,
650                               subsamp, 0));
651         } else {
652           TRY_TJ(tjCompress2(handle, srcBuf, h, 0, w, TJPF_BGRX, &dstBuf,
653                              &dstSize, subsamp, 100,
654                              alloc ? 0 : TJFLAG_NOREALLOC));
655         }
656         free(srcBuf);  srcBuf = NULL;
657         if (!alloc || doYUV) {
658           tjFree(dstBuf);  dstBuf = NULL;
659         }
660       }
661     }
662   }
663   printf("Done.      \n");
664 
665 bailout:
666   if (srcBuf) free(srcBuf);
667   if (dstBuf) tjFree(dstBuf);
668   if (handle) tjDestroy(handle);
669 }
670 
671 
initBitmap(unsigned char * buf,int width,int pitch,int height,int pf,int flags)672 void initBitmap(unsigned char *buf, int width, int pitch, int height, int pf,
673                 int flags)
674 {
675   int roffset = tjRedOffset[pf];
676   int goffset = tjGreenOffset[pf];
677   int boffset = tjBlueOffset[pf];
678   int ps = tjPixelSize[pf];
679   int i, j;
680 
681   for (j = 0; j < height; j++) {
682     int row = (flags & TJFLAG_BOTTOMUP) ? height - j - 1 : j;
683 
684     for (i = 0; i < width; i++) {
685       unsigned char r = (i * 256 / width) % 256;
686       unsigned char g = (j * 256 / height) % 256;
687       unsigned char b = (j * 256 / height + i * 256 / width) % 256;
688 
689       memset(&buf[row * pitch + i * ps], 0, ps);
690       if (pf == TJPF_GRAY) buf[row * pitch + i * ps] = b;
691       else if (pf == TJPF_CMYK)
692         rgb_to_cmyk(r, g, b, &buf[row * pitch + i * ps + 0],
693                     &buf[row * pitch + i * ps + 1],
694                     &buf[row * pitch + i * ps + 2],
695                     &buf[row * pitch + i * ps + 3]);
696       else {
697         buf[row * pitch + i * ps + roffset] = r;
698         buf[row * pitch + i * ps + goffset] = g;
699         buf[row * pitch + i * ps + boffset] = b;
700       }
701     }
702   }
703 }
704 
705 
cmpBitmap(unsigned char * buf,int width,int pitch,int height,int pf,int flags,int gray2rgb)706 int cmpBitmap(unsigned char *buf, int width, int pitch, int height, int pf,
707               int flags, int gray2rgb)
708 {
709   int roffset = tjRedOffset[pf];
710   int goffset = tjGreenOffset[pf];
711   int boffset = tjBlueOffset[pf];
712   int aoffset = tjAlphaOffset[pf];
713   int ps = tjPixelSize[pf];
714   int i, j;
715 
716   for (j = 0; j < height; j++) {
717     int row = (flags & TJFLAG_BOTTOMUP) ? height - j - 1 : j;
718 
719     for (i = 0; i < width; i++) {
720       unsigned char r = (i * 256 / width) % 256;
721       unsigned char g = (j * 256 / height) % 256;
722       unsigned char b = (j * 256 / height + i * 256 / width) % 256;
723 
724       if (pf == TJPF_GRAY) {
725         if (buf[row * pitch + i * ps] != b)
726           return 0;
727       } else if (pf == TJPF_CMYK) {
728         unsigned char rf, gf, bf;
729 
730         cmyk_to_rgb(buf[row * pitch + i * ps + 0],
731                     buf[row * pitch + i * ps + 1],
732                     buf[row * pitch + i * ps + 2],
733                     buf[row * pitch + i * ps + 3], &rf, &gf, &bf);
734         if (gray2rgb) {
735           if (rf != b || gf != b || bf != b)
736             return 0;
737         } else if (rf != r || gf != g || bf != b) return 0;
738       } else {
739         if (gray2rgb) {
740           if (buf[row * pitch + i * ps + roffset] != b ||
741               buf[row * pitch + i * ps + goffset] != b ||
742               buf[row * pitch + i * ps + boffset] != b)
743             return 0;
744         } else if (buf[row * pitch + i * ps + roffset] != r ||
745                    buf[row * pitch + i * ps + goffset] != g ||
746                    buf[row * pitch + i * ps + boffset] != b)
747           return 0;
748         if (aoffset >= 0 && buf[row * pitch + i * ps + aoffset] != 0xFF)
749           return 0;
750       }
751     }
752   }
753   return 1;
754 }
755 
756 
doBmpTest(const char * ext,int width,int align,int height,int pf,int flags)757 int doBmpTest(const char *ext, int width, int align, int height, int pf,
758               int flags)
759 {
760   char filename[80], *md5sum, md5buf[65];
761   int ps = tjPixelSize[pf], pitch = PAD(width * ps, align), loadWidth = 0,
762     loadHeight = 0, retval = 0, pixelFormat = pf;
763   unsigned char *buf = NULL;
764   char *md5ref;
765 
766   if (pf == TJPF_GRAY) {
767     md5ref = !strcasecmp(ext, "ppm") ? "112c682e82ce5de1cca089e20d60000b" :
768                                        "51976530acf75f02beddf5d21149101d";
769   } else {
770     md5ref = !strcasecmp(ext, "ppm") ? "c0c9f772b464d1896326883a5c79c545" :
771                                        "6d659071b9bfcdee2def22cb58ddadca";
772   }
773 
774   if ((buf = (unsigned char *)tjAlloc(pitch * height)) == NULL)
775     THROW("Could not allocate memory");
776   initBitmap(buf, width, pitch, height, pf, flags);
777 
778   snprintf(filename, 80, "test_bmp_%s_%d_%s.%s", pixFormatStr[pf], align,
779            (flags & TJFLAG_BOTTOMUP) ? "bu" : "td", ext);
780   TRY_TJ(tjSaveImage(filename, buf, width, pitch, height, pf, flags));
781   md5sum = MD5File(filename, md5buf);
782   if (strcasecmp(md5sum, md5ref))
783     THROW_MD5(filename, md5sum, md5ref);
784 
785   tjFree(buf);  buf = NULL;
786   if ((buf = tjLoadImage(filename, &loadWidth, align, &loadHeight, &pf,
787                          flags)) == NULL)
788     THROW_TJ();
789   if (width != loadWidth || height != loadHeight) {
790     printf("\n   Image dimensions of %s are bogus\n", filename);
791     retval = -1;  goto bailout;
792   }
793   if (!cmpBitmap(buf, width, pitch, height, pf, flags, 0)) {
794     printf("\n   Pixel data in %s is bogus\n", filename);
795     retval = -1;  goto bailout;
796   }
797   if (pf == TJPF_GRAY) {
798     tjFree(buf);  buf = NULL;
799     pf = TJPF_XBGR;
800     if ((buf = tjLoadImage(filename, &loadWidth, align, &loadHeight, &pf,
801                            flags)) == NULL)
802       THROW_TJ();
803     pitch = PAD(width * tjPixelSize[pf], align);
804     if (!cmpBitmap(buf, width, pitch, height, pf, flags, 1)) {
805       printf("\n   Converting %s to RGB failed\n", filename);
806       retval = -1;  goto bailout;
807     }
808 
809     tjFree(buf);  buf = NULL;
810     pf = TJPF_CMYK;
811     if ((buf = tjLoadImage(filename, &loadWidth, align, &loadHeight, &pf,
812                            flags)) == NULL)
813       THROW_TJ();
814     pitch = PAD(width * tjPixelSize[pf], align);
815     if (!cmpBitmap(buf, width, pitch, height, pf, flags, 1)) {
816       printf("\n   Converting %s to CMYK failed\n", filename);
817       retval = -1;  goto bailout;
818     }
819   }
820   /* Verify that tjLoadImage() returns the proper "preferred" pixel format for
821      the file type. */
822   tjFree(buf);  buf = NULL;
823   pf = pixelFormat;
824   pixelFormat = TJPF_UNKNOWN;
825   if ((buf = tjLoadImage(filename, &loadWidth, align, &loadHeight,
826                          &pixelFormat, flags)) == NULL)
827     THROW_TJ();
828   if ((pf == TJPF_GRAY && pixelFormat != TJPF_GRAY) ||
829       (pf != TJPF_GRAY && !strcasecmp(ext, "bmp") &&
830        pixelFormat != TJPF_BGR) ||
831       (pf != TJPF_GRAY && !strcasecmp(ext, "ppm") &&
832        pixelFormat != TJPF_RGB)) {
833     printf("\n   tjLoadImage() returned unexpected pixel format: %s\n",
834            pixFormatStr[pixelFormat]);
835     retval = -1;
836   }
837   unlink(filename);
838 
839 bailout:
840   if (buf) tjFree(buf);
841   if (exitStatus < 0) return exitStatus;
842   return retval;
843 }
844 
845 
bmpTest(void)846 int bmpTest(void)
847 {
848   int align, width = 35, height = 39, format;
849 
850   for (align = 1; align <= 8; align *= 2) {
851     for (format = 0; format < TJ_NUMPF; format++) {
852       printf("%s Top-Down BMP (row alignment = %d bytes)  ...  ",
853              pixFormatStr[format], align);
854       if (doBmpTest("bmp", width, align, height, format, 0) == -1)
855         return -1;
856       printf("OK.\n");
857 
858       printf("%s Top-Down PPM (row alignment = %d bytes)  ...  ",
859              pixFormatStr[format], align);
860       if (doBmpTest("ppm", width, align, height, format,
861                     TJFLAG_BOTTOMUP) == -1)
862         return -1;
863       printf("OK.\n");
864 
865       printf("%s Bottom-Up BMP (row alignment = %d bytes)  ...  ",
866              pixFormatStr[format], align);
867       if (doBmpTest("bmp", width, align, height, format, 0) == -1)
868         return -1;
869       printf("OK.\n");
870 
871       printf("%s Bottom-Up PPM (row alignment = %d bytes)  ...  ",
872              pixFormatStr[format], align);
873       if (doBmpTest("ppm", width, align, height, format,
874                     TJFLAG_BOTTOMUP) == -1)
875         return -1;
876       printf("OK.\n");
877     }
878   }
879 
880   return 0;
881 }
882 
883 
main(int argc,char * argv[])884 int main(int argc, char *argv[])
885 {
886   int i, num4bf = 5;
887 
888 #ifdef _WIN32
889   srand((unsigned int)time(NULL));
890 #endif
891   if (argc > 1) {
892     for (i = 1; i < argc; i++) {
893       if (!strcasecmp(argv[i], "-yuv")) doYUV = 1;
894       else if (!strcasecmp(argv[i], "-noyuvpad")) pad = 1;
895       else if (!strcasecmp(argv[i], "-alloc")) alloc = 1;
896       else if (!strcasecmp(argv[i], "-bmp")) return bmpTest();
897       else usage(argv[0]);
898     }
899   }
900   if (alloc) printf("Testing automatic buffer allocation\n");
901   if (doYUV) num4bf = 4;
902   overflowTest();
903   doTest(35, 39, _3byteFormats, 2, TJSAMP_444, "test");
904   doTest(39, 41, _4byteFormats, num4bf, TJSAMP_444, "test");
905   doTest(41, 35, _3byteFormats, 2, TJSAMP_422, "test");
906   doTest(35, 39, _4byteFormats, num4bf, TJSAMP_422, "test");
907   doTest(39, 41, _3byteFormats, 2, TJSAMP_420, "test");
908   doTest(41, 35, _4byteFormats, num4bf, TJSAMP_420, "test");
909   doTest(35, 39, _3byteFormats, 2, TJSAMP_440, "test");
910   doTest(39, 41, _4byteFormats, num4bf, TJSAMP_440, "test");
911   doTest(41, 35, _3byteFormats, 2, TJSAMP_411, "test");
912   doTest(35, 39, _4byteFormats, num4bf, TJSAMP_411, "test");
913   doTest(39, 41, _onlyGray, 1, TJSAMP_GRAY, "test");
914   doTest(41, 35, _3byteFormats, 2, TJSAMP_GRAY, "test");
915   doTest(35, 39, _4byteFormats, 4, TJSAMP_GRAY, "test");
916   bufSizeTest();
917   if (doYUV) {
918     printf("\n--------------------\n\n");
919     doTest(48, 48, _onlyRGB, 1, TJSAMP_444, "test_yuv0");
920     doTest(48, 48, _onlyRGB, 1, TJSAMP_422, "test_yuv0");
921     doTest(48, 48, _onlyRGB, 1, TJSAMP_420, "test_yuv0");
922     doTest(48, 48, _onlyRGB, 1, TJSAMP_440, "test_yuv0");
923     doTest(48, 48, _onlyRGB, 1, TJSAMP_411, "test_yuv0");
924     doTest(48, 48, _onlyRGB, 1, TJSAMP_GRAY, "test_yuv0");
925     doTest(48, 48, _onlyGray, 1, TJSAMP_GRAY, "test_yuv0");
926   }
927 
928   return exitStatus;
929 }
930