Imported Upstream version 1.5.3
[platform/upstream/libjpeg-turbo.git] / tjunittest.c
1 /*
2  * Copyright (C)2009-2014, 2017 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 #ifdef _WIN32
40  #include <time.h>
41  #define random() rand()
42 #endif
43
44
45 void usage(char *progName)
46 {
47         printf("\nUSAGE: %s [options]\n\n", progName);
48         printf("Options:\n");
49         printf("-yuv = test YUV encoding/decoding support\n");
50         printf("-noyuvpad = do not pad each line of each Y, U, and V plane to the nearest\n");
51         printf("            4-byte boundary\n");
52         printf("-alloc = test automatic buffer allocation\n\n");
53         exit(1);
54 }
55
56
57 #define _throwtj() {printf("TurboJPEG ERROR:\n%s\n", tjGetErrorStr());  \
58         bailout();}
59 #define _tj(f) {if((f)==-1) _throwtj();}
60 #define _throw(m) {printf("ERROR: %s\n", m);  bailout();}
61
62 const char *subNameLong[TJ_NUMSAMP]=
63 {
64         "4:4:4", "4:2:2", "4:2:0", "GRAY", "4:4:0", "4:1:1"
65 };
66 const char *subName[TJ_NUMSAMP]={"444", "422", "420", "GRAY", "440", "411"};
67
68 const char *pixFormatStr[TJ_NUMPF]=
69 {
70         "RGB", "BGR", "RGBX", "BGRX", "XBGR", "XRGB", "Grayscale",
71         "RGBA", "BGRA", "ABGR", "ARGB", "CMYK"
72 };
73
74 const int alphaOffset[TJ_NUMPF] = {-1, -1, -1, -1, -1, -1, -1, 3, 3, 0, 0, -1};
75
76 const int _3byteFormats[]={TJPF_RGB, TJPF_BGR};
77 const int _4byteFormats[]={TJPF_RGBX, TJPF_BGRX, TJPF_XBGR, TJPF_XRGB,
78         TJPF_CMYK};
79 const int _onlyGray[]={TJPF_GRAY};
80 const int _onlyRGB[]={TJPF_RGB};
81
82 int doyuv=0, alloc=0, pad=4;
83
84 int exitStatus=0;
85 #define bailout() {exitStatus=-1;  goto bailout;}
86
87
88 void initBuf(unsigned char *buf, int w, int h, int pf, int flags)
89 {
90         int roffset=tjRedOffset[pf];
91         int goffset=tjGreenOffset[pf];
92         int boffset=tjBlueOffset[pf];
93         int ps=tjPixelSize[pf];
94         int index, row, col, halfway=16;
95
96         if(pf==TJPF_GRAY)
97         {
98                 memset(buf, 0, w*h*ps);
99                 for(row=0; row<h; row++)
100                 {
101                         for(col=0; col<w; col++)
102                         {
103                                 if(flags&TJFLAG_BOTTOMUP) index=(h-row-1)*w+col;
104                                 else index=row*w+col;
105                                 if(((row/8)+(col/8))%2==0) buf[index]=(row<halfway)? 255:0;
106                                 else buf[index]=(row<halfway)? 76:226;
107                         }
108                 }
109         }
110         else if(pf==TJPF_CMYK)
111         {
112                 memset(buf, 255, w*h*ps);
113                 for(row=0; row<h; row++)
114                 {
115                         for(col=0; col<w; col++)
116                         {
117                                 if(flags&TJFLAG_BOTTOMUP) index=(h-row-1)*w+col;
118                                 else index=row*w+col;
119                                 if(((row/8)+(col/8))%2==0)
120                                 {
121                                         if(row>=halfway) buf[index*ps+3]=0;
122                                 }
123                                 else
124                                 {
125                                         buf[index*ps+2]=0;
126                                         if(row<halfway) buf[index*ps+1]=0;
127                                 }
128                         }
129                 }
130         }
131         else
132         {
133                 memset(buf, 0, w*h*ps);
134                 for(row=0; row<h; row++)
135                 {
136                         for(col=0; col<w; col++)
137                         {
138                                 if(flags&TJFLAG_BOTTOMUP) index=(h-row-1)*w+col;
139                                 else index=row*w+col;
140                                 if(((row/8)+(col/8))%2==0)
141                                 {
142                                         if(row<halfway)
143                                         {
144                                                 buf[index*ps+roffset]=255;
145                                                 buf[index*ps+goffset]=255;
146                                                 buf[index*ps+boffset]=255;
147                                         }
148                                 }
149                                 else
150                                 {
151                                         buf[index*ps+roffset]=255;
152                                         if(row>=halfway) buf[index*ps+goffset]=255;
153                                 }
154                         }
155                 }
156         }
157 }
158
159
160 #define checkval(v, cv) { \
161         if(v<cv-1 || v>cv+1) { \
162                 printf("\nComp. %s at %d,%d should be %d, not %d\n",  \
163                         #v, row, col, cv, v); \
164                 retval=0;  exitStatus=-1;  goto bailout; \
165         }}
166
167 #define checkval0(v) { \
168         if(v>1) { \
169                 printf("\nComp. %s at %d,%d should be 0, not %d\n", #v, row, col, v); \
170                 retval=0;  exitStatus=-1;  goto bailout; \
171         }}
172
173 #define checkval255(v) { \
174         if(v<254) { \
175                 printf("\nComp. %s at %d,%d should be 255, not %d\n", #v, row, col, v); \
176                 retval=0;  exitStatus=-1;  goto bailout; \
177         }}
178
179
180 int checkBuf(unsigned char *buf, int w, int h, int pf, int subsamp,
181         tjscalingfactor sf, int flags)
182 {
183         int roffset=tjRedOffset[pf];
184         int goffset=tjGreenOffset[pf];
185         int boffset=tjBlueOffset[pf];
186         int aoffset=alphaOffset[pf];
187         int ps=tjPixelSize[pf];
188         int index, row, col, retval=1;
189         int halfway=16*sf.num/sf.denom;
190         int blocksize=8*sf.num/sf.denom;
191
192         if(pf==TJPF_CMYK)
193         {
194                 for(row=0; row<h; row++)
195                 {
196                         for(col=0; col<w; col++)
197                         {
198                                 unsigned char c, m, y, k;
199                                 if(flags&TJFLAG_BOTTOMUP) index=(h-row-1)*w+col;
200                                 else index=row*w+col;
201                                 c=buf[index*ps];
202                                 m=buf[index*ps+1];
203                                 y=buf[index*ps+2];
204                                 k=buf[index*ps+3];
205                                 if(((row/blocksize)+(col/blocksize))%2==0)
206                                 {
207                                         checkval255(c);  checkval255(m);  checkval255(y);
208                                         if(row<halfway) checkval255(k)
209                                         else checkval0(k)
210                                 }
211                                 else
212                                 {
213                                         checkval255(c);  checkval0(y);  checkval255(k);
214                                         if(row<halfway) checkval0(m)
215                                         else checkval255(m)
216                                 }
217                         }
218                 }
219                 return 1;
220         }
221
222         for(row=0; row<h; row++)
223         {
224                 for(col=0; col<w; col++)
225                 {
226                         unsigned char r, g, b, a;
227                         if(flags&TJFLAG_BOTTOMUP) index=(h-row-1)*w+col;
228                         else index=row*w+col;
229                         r=buf[index*ps+roffset];
230                         g=buf[index*ps+goffset];
231                         b=buf[index*ps+boffset];
232                         a=aoffset>=0? buf[index*ps+aoffset]:0xFF;
233                         if(((row/blocksize)+(col/blocksize))%2==0)
234                         {
235                                 if(row<halfway)
236                                 {
237                                         checkval255(r);  checkval255(g);  checkval255(b);
238                                 }
239                                 else
240                                 {
241                                         checkval0(r);  checkval0(g);  checkval0(b);
242                                 }
243                         }
244                         else
245                         {
246                                 if(subsamp==TJSAMP_GRAY)
247                                 {
248                                         if(row<halfway)
249                                         {
250                                                 checkval(r, 76);  checkval(g, 76);  checkval(b, 76);
251                                         }
252                                         else
253                                         {
254                                                 checkval(r, 226);  checkval(g, 226);  checkval(b, 226);
255                                         }
256                                 }
257                                 else
258                                 {
259                                         if(row<halfway)
260                                         {
261                                                 checkval255(r);  checkval0(g);  checkval0(b);
262                                         }
263                                         else
264                                         {
265                                                 checkval255(r);  checkval255(g);  checkval0(b);
266                                         }
267                                 }
268                         }
269                         checkval255(a);
270                 }
271         }
272
273         bailout:
274         if(retval==0)
275         {
276                 for(row=0; row<h; row++)
277                 {
278                         for(col=0; col<w; col++)
279                         {
280                                 if(pf==TJPF_CMYK)
281                                         printf("%.3d/%.3d/%.3d/%.3d ", buf[(row*w+col)*ps],
282                                                 buf[(row*w+col)*ps+1], buf[(row*w+col)*ps+2],
283                                                 buf[(row*w+col)*ps+3]);
284                                 else
285                                         printf("%.3d/%.3d/%.3d ", buf[(row*w+col)*ps+roffset],
286                                                 buf[(row*w+col)*ps+goffset], buf[(row*w+col)*ps+boffset]);
287                         }
288                         printf("\n");
289                 }
290         }
291         return retval;
292 }
293
294
295 #define PAD(v, p) ((v+(p)-1)&(~((p)-1)))
296
297 int checkBufYUV(unsigned char *buf, int w, int h, int subsamp,
298         tjscalingfactor sf)
299 {
300         int row, col;
301         int hsf=tjMCUWidth[subsamp]/8, vsf=tjMCUHeight[subsamp]/8;
302         int pw=PAD(w, hsf), ph=PAD(h, vsf);
303         int cw=pw/hsf, ch=ph/vsf;
304         int ypitch=PAD(pw, pad), uvpitch=PAD(cw, pad);
305         int retval=1;
306         int halfway=16*sf.num/sf.denom;
307         int blocksize=8*sf.num/sf.denom;
308
309         for(row=0; row<ph; row++)
310         {
311                 for(col=0; col<pw; col++)
312                 {
313                         unsigned char y=buf[ypitch*row+col];
314                         if(((row/blocksize)+(col/blocksize))%2==0)
315                         {
316                                 if(row<halfway) checkval255(y)  else checkval0(y);
317                         }
318                         else
319                         {
320                                 if(row<halfway) checkval(y, 76)  else checkval(y, 226);
321                         }
322                 }
323         }
324         if(subsamp!=TJSAMP_GRAY)
325         {
326                 int halfway=16/vsf*sf.num/sf.denom;
327                 for(row=0; row<ch; row++)
328                 {
329                         for(col=0; col<cw; col++)
330                         {
331                                 unsigned char u=buf[ypitch*ph + (uvpitch*row+col)],
332                                         v=buf[ypitch*ph + uvpitch*ch + (uvpitch*row+col)];
333                                 if(((row*vsf/blocksize)+(col*hsf/blocksize))%2==0)
334                                 {
335                                         checkval(u, 128);  checkval(v, 128);
336                                 }
337                                 else
338                                 {
339                                         if(row<halfway)
340                                         {
341                                                 checkval(u, 85);  checkval255(v);
342                                         }
343                                         else
344                                         {
345                                                 checkval0(u);  checkval(v, 149);
346                                         }
347                                 }
348                         }
349                 }
350         }
351
352         bailout:
353         if(retval==0)
354         {
355                 for(row=0; row<ph; row++)
356                 {
357                         for(col=0; col<pw; col++)
358                                 printf("%.3d ", buf[ypitch*row+col]);
359                         printf("\n");
360                 }
361                 printf("\n");
362                 for(row=0; row<ch; row++)
363                 {
364                         for(col=0; col<cw; col++)
365                                 printf("%.3d ", buf[ypitch*ph + (uvpitch*row+col)]);
366                         printf("\n");
367                 }
368                 printf("\n");
369                 for(row=0; row<ch; row++)
370                 {
371                         for(col=0; col<cw; col++)
372                                 printf("%.3d ", buf[ypitch*ph + uvpitch*ch + (uvpitch*row+col)]);
373                         printf("\n");
374                 }
375         }
376
377         return retval;
378 }
379
380
381 void writeJPEG(unsigned char *jpegBuf, unsigned long jpegSize, char *filename)
382 {
383         FILE *file=fopen(filename, "wb");
384         if(!file || fwrite(jpegBuf, jpegSize, 1, file)!=1)
385         {
386                 printf("ERROR: Could not write to %s.\n%s\n", filename, strerror(errno));
387                 bailout();
388         }
389
390         bailout:
391         if(file) fclose(file);
392 }
393
394
395 void compTest(tjhandle handle, unsigned char **dstBuf,
396         unsigned long *dstSize, int w, int h, int pf, char *basename,
397         int subsamp, int jpegQual, int flags)
398 {
399         char tempStr[1024];  unsigned char *srcBuf=NULL, *yuvBuf=NULL;
400         const char *pfStr=pixFormatStr[pf];
401         const char *buStrLong=(flags&TJFLAG_BOTTOMUP)? "Bottom-Up":"Top-Down ";
402         const char *buStr=(flags&TJFLAG_BOTTOMUP)? "BU":"TD";
403
404         if((srcBuf=(unsigned char *)malloc(w*h*tjPixelSize[pf]))==NULL)
405                 _throw("Memory allocation failure");
406         initBuf(srcBuf, w, h, pf, flags);
407
408         if(*dstBuf && *dstSize>0) memset(*dstBuf, 0, *dstSize);
409
410
411         if(!alloc) flags|=TJFLAG_NOREALLOC;
412         if(doyuv)
413         {
414                 unsigned long yuvSize=tjBufSizeYUV2(w, pad, h, subsamp);
415                 tjscalingfactor sf={1, 1};
416                 tjhandle handle2=tjInitCompress();
417                 if(!handle2) _throwtj();
418
419                 if((yuvBuf=(unsigned char *)malloc(yuvSize))==NULL)
420                         _throw("Memory allocation failure");
421                 memset(yuvBuf, 0, yuvSize);
422
423                 printf("%s %s -> YUV %s ... ", pfStr, buStrLong, subNameLong[subsamp]);
424                 _tj(tjEncodeYUV3(handle2, srcBuf, w, 0, h, pf, yuvBuf, pad, subsamp,
425                         flags));
426                 tjDestroy(handle2);
427                 if(checkBufYUV(yuvBuf, w, h, subsamp, sf)) printf("Passed.\n");
428                 else printf("FAILED!\n");
429
430                 printf("YUV %s %s -> JPEG Q%d ... ", subNameLong[subsamp], buStrLong,
431                         jpegQual);
432                 _tj(tjCompressFromYUV(handle, yuvBuf, w, pad, h, subsamp, dstBuf,
433                         dstSize, jpegQual, flags));
434         }
435         else
436         {
437                 printf("%s %s -> %s Q%d ... ", pfStr, buStrLong, subNameLong[subsamp],
438                         jpegQual);
439                 _tj(tjCompress2(handle, srcBuf, w, 0, h, pf, dstBuf, dstSize, subsamp,
440                         jpegQual, flags));
441         }
442
443         snprintf(tempStr, 1024, "%s_enc_%s_%s_%s_Q%d.jpg", basename, pfStr, buStr,
444                 subName[subsamp], jpegQual);
445         writeJPEG(*dstBuf, *dstSize, tempStr);
446         printf("Done.\n  Result in %s\n", tempStr);
447
448         bailout:
449         if(yuvBuf) free(yuvBuf);
450         if(srcBuf) free(srcBuf);
451 }
452
453
454 void _decompTest(tjhandle handle, unsigned char *jpegBuf,
455         unsigned long jpegSize, int w, int h, int pf, char *basename, int subsamp,
456         int flags, tjscalingfactor sf)
457 {
458         unsigned char *dstBuf=NULL, *yuvBuf=NULL;
459         int _hdrw=0, _hdrh=0, _hdrsubsamp=-1;
460         int scaledWidth=TJSCALED(w, sf);
461         int scaledHeight=TJSCALED(h, sf);
462         unsigned long dstSize=0;
463
464         _tj(tjDecompressHeader2(handle, jpegBuf, jpegSize, &_hdrw, &_hdrh,
465                 &_hdrsubsamp));
466         if(_hdrw!=w || _hdrh!=h || _hdrsubsamp!=subsamp)
467                 _throw("Incorrect JPEG header");
468
469         dstSize=scaledWidth*scaledHeight*tjPixelSize[pf];
470         if((dstBuf=(unsigned char *)malloc(dstSize))==NULL)
471                 _throw("Memory allocation failure");
472         memset(dstBuf, 0, dstSize);
473
474         if(doyuv)
475         {
476                 unsigned long yuvSize=tjBufSizeYUV2(scaledWidth, pad, scaledHeight,
477                         subsamp);
478                 tjhandle handle2=tjInitDecompress();
479                 if(!handle2) _throwtj();
480
481                 if((yuvBuf=(unsigned char *)malloc(yuvSize))==NULL)
482                         _throw("Memory allocation failure");
483                 memset(yuvBuf, 0, yuvSize);
484
485                 printf("JPEG -> YUV %s ", subNameLong[subsamp]);
486                 if(sf.num!=1 || sf.denom!=1)
487                         printf("%d/%d ... ", sf.num, sf.denom);
488                 else printf("... ");
489                 _tj(tjDecompressToYUV2(handle, jpegBuf, jpegSize, yuvBuf, scaledWidth,
490                         pad, scaledHeight, flags));
491                 if(checkBufYUV(yuvBuf, scaledWidth, scaledHeight, subsamp, sf))
492                         printf("Passed.\n");
493                 else printf("FAILED!\n");
494
495                 printf("YUV %s -> %s %s ... ", subNameLong[subsamp], pixFormatStr[pf],
496                         (flags&TJFLAG_BOTTOMUP)? "Bottom-Up":"Top-Down ");
497                 _tj(tjDecodeYUV(handle2, yuvBuf, pad, subsamp, dstBuf, scaledWidth, 0,
498                         scaledHeight, pf, flags));
499                 tjDestroy(handle2);
500         }
501         else
502         {
503                 printf("JPEG -> %s %s ", pixFormatStr[pf],
504                         (flags&TJFLAG_BOTTOMUP)? "Bottom-Up":"Top-Down ");
505                 if(sf.num!=1 || sf.denom!=1)
506                         printf("%d/%d ... ", sf.num, sf.denom);
507                 else printf("... ");
508                 _tj(tjDecompress2(handle, jpegBuf, jpegSize, dstBuf, scaledWidth, 0,
509                         scaledHeight, pf, flags));
510         }
511
512         if(checkBuf(dstBuf, scaledWidth, scaledHeight, pf, subsamp, sf, flags))
513                 printf("Passed.");
514         else printf("FAILED!");
515         printf("\n");
516
517         bailout:
518         if(yuvBuf) free(yuvBuf);
519         if(dstBuf) free(dstBuf);
520 }
521
522
523 void decompTest(tjhandle handle, unsigned char *jpegBuf,
524         unsigned long jpegSize, int w, int h, int pf, char *basename, int subsamp,
525         int flags)
526 {
527         int i, n=0;
528         tjscalingfactor *sf=tjGetScalingFactors(&n);
529         if(!sf || !n) _throwtj();
530
531         for(i=0; i<n; i++)
532         {
533                 if(subsamp==TJSAMP_444 || subsamp==TJSAMP_GRAY ||
534                         (subsamp==TJSAMP_411 && sf[i].num==1 &&
535                                 (sf[i].denom==2 || sf[i].denom==1)) ||
536                         (subsamp!=TJSAMP_411 && sf[i].num==1 &&
537                                 (sf[i].denom==4 || sf[i].denom==2 || sf[i].denom==1)))
538                         _decompTest(handle, jpegBuf, jpegSize, w, h, pf, basename, subsamp,
539                                 flags, sf[i]);
540         }
541
542         bailout:
543         return;
544 }
545
546
547 void doTest(int w, int h, const int *formats, int nformats, int subsamp,
548         char *basename)
549 {
550         tjhandle chandle=NULL, dhandle=NULL;
551         unsigned char *dstBuf=NULL;
552         unsigned long size=0;  int pfi, pf, i;
553
554         if(!alloc)
555                 size=tjBufSize(w, h, subsamp);
556         if(size!=0)
557                 if((dstBuf=(unsigned char *)tjAlloc(size))==NULL)
558                         _throw("Memory allocation failure.");
559
560         if((chandle=tjInitCompress())==NULL || (dhandle=tjInitDecompress())==NULL)
561                 _throwtj();
562
563         for(pfi=0; pfi<nformats; pfi++)
564         {
565                 for(i=0; i<2; i++)
566                 {
567                         int flags=0;
568                         if(subsamp==TJSAMP_422 || subsamp==TJSAMP_420 || subsamp==TJSAMP_440 ||
569                                 subsamp==TJSAMP_411)
570                                 flags|=TJFLAG_FASTUPSAMPLE;
571                         if(i==1) flags|=TJFLAG_BOTTOMUP;
572                         pf=formats[pfi];
573                         compTest(chandle, &dstBuf, &size, w, h, pf, basename, subsamp, 100,
574                                 flags);
575                         decompTest(dhandle, dstBuf, size, w, h, pf, basename, subsamp,
576                                 flags);
577                         if(pf>=TJPF_RGBX && pf<=TJPF_XRGB)
578                         {
579                                 printf("\n");
580                                 decompTest(dhandle, dstBuf, size, w, h, pf+(TJPF_RGBA-TJPF_RGBX),
581                                         basename, subsamp, flags);
582                         }
583                         printf("\n");
584                 }
585         }
586         printf("--------------------\n\n");
587
588         bailout:
589         if(chandle) tjDestroy(chandle);
590         if(dhandle) tjDestroy(dhandle);
591
592         if(dstBuf) tjFree(dstBuf);
593 }
594
595
596 void bufSizeTest(void)
597 {
598         int w, h, i, subsamp;
599         unsigned char *srcBuf=NULL, *dstBuf=NULL;
600         tjhandle handle=NULL;
601         unsigned long dstSize=0;
602
603         if((handle=tjInitCompress())==NULL) _throwtj();
604
605         printf("Buffer size regression test\n");
606         for(subsamp=0; subsamp<TJ_NUMSAMP; subsamp++)
607         {
608                 for(w=1; w<48; w++)
609                 {
610                         int maxh=(w==1)? 2048:48;
611                         for(h=1; h<maxh; h++)
612                         {
613                                 if(h%100==0) printf("%.4d x %.4d\b\b\b\b\b\b\b\b\b\b\b", w, h);
614                                 if((srcBuf=(unsigned char *)malloc(w*h*4))==NULL)
615                                         _throw("Memory allocation failure");
616                                 if(!alloc || doyuv)
617                                 {
618                                         if(doyuv) dstSize=tjBufSizeYUV2(w, pad, h, subsamp);
619                                         else dstSize=tjBufSize(w, h, subsamp);
620                                         if((dstBuf=(unsigned char *)tjAlloc(dstSize))==NULL)
621                                                 _throw("Memory allocation failure");
622                                 }
623
624                                 for(i=0; i<w*h*4; i++)
625                                 {
626                                         if(random()<RAND_MAX/2) srcBuf[i]=0;
627                                         else srcBuf[i]=255;
628                                 }
629
630                                 if(doyuv)
631                                 {
632                                         _tj(tjEncodeYUV3(handle, srcBuf, w, 0, h, TJPF_BGRX, dstBuf, pad,
633                                                 subsamp, 0));
634                                 }
635                                 else
636                                 {
637                                         _tj(tjCompress2(handle, srcBuf, w, 0, h, TJPF_BGRX, &dstBuf,
638                                                 &dstSize, subsamp, 100, alloc? 0:TJFLAG_NOREALLOC));
639                                 }
640                                 free(srcBuf);  srcBuf=NULL;
641                                 if(!alloc || doyuv)
642                                 {
643                                         tjFree(dstBuf);  dstBuf=NULL;
644                                 }
645
646                                 if((srcBuf=(unsigned char *)malloc(h*w*4))==NULL)
647                                         _throw("Memory allocation failure");
648                                 if(!alloc || doyuv)
649                                 {
650                                         if(doyuv) dstSize=tjBufSizeYUV2(h, pad, w, subsamp);
651                                         else dstSize=tjBufSize(h, w, subsamp);
652                                         if((dstBuf=(unsigned char *)tjAlloc(dstSize))==NULL)
653                                                 _throw("Memory allocation failure");
654                                 }
655
656                                 for(i=0; i<h*w*4; i++)
657                                 {
658                                         if(random()<RAND_MAX/2) srcBuf[i]=0;
659                                         else srcBuf[i]=255;
660                                 }
661
662                                 if(doyuv)
663                                 {
664                                         _tj(tjEncodeYUV3(handle, srcBuf, h, 0, w, TJPF_BGRX, dstBuf, pad,
665                                                 subsamp, 0));
666                                 }
667                                 else
668                                 {
669                                         _tj(tjCompress2(handle, srcBuf, h, 0, w, TJPF_BGRX, &dstBuf,
670                                                 &dstSize, subsamp, 100, alloc? 0:TJFLAG_NOREALLOC));
671                                 }
672                                 free(srcBuf);  srcBuf=NULL;
673                                 if(!alloc || doyuv)
674                                 {
675                                         tjFree(dstBuf);  dstBuf=NULL;
676                                 }
677                         }
678                 }
679         }
680         printf("Done.      \n");
681
682         bailout:
683         if(srcBuf) free(srcBuf);
684         if(dstBuf) tjFree(dstBuf);
685         if(handle) tjDestroy(handle);
686 }
687
688
689 int main(int argc, char *argv[])
690 {
691         int i, num4bf=5;
692         #ifdef _WIN32
693         srand((unsigned int)time(NULL));
694         #endif
695         if(argc>1)
696         {
697                 for(i=1; i<argc; i++)
698                 {
699                         if(!strcasecmp(argv[i], "-yuv")) doyuv=1;
700                         else if(!strcasecmp(argv[i], "-noyuvpad")) pad=1;
701                         else if(!strcasecmp(argv[i], "-alloc")) alloc=1;
702                         else usage(argv[0]);
703                 }
704         }
705         if(alloc) printf("Testing automatic buffer allocation\n");
706         if(doyuv) num4bf=4;
707         doTest(35, 39, _3byteFormats, 2, TJSAMP_444, "test");
708         doTest(39, 41, _4byteFormats, num4bf, TJSAMP_444, "test");
709         doTest(41, 35, _3byteFormats, 2, TJSAMP_422, "test");
710         doTest(35, 39, _4byteFormats, num4bf, TJSAMP_422, "test");
711         doTest(39, 41, _3byteFormats, 2, TJSAMP_420, "test");
712         doTest(41, 35, _4byteFormats, num4bf, TJSAMP_420, "test");
713         doTest(35, 39, _3byteFormats, 2, TJSAMP_440, "test");
714         doTest(39, 41, _4byteFormats, num4bf, TJSAMP_440, "test");
715         doTest(41, 35, _3byteFormats, 2, TJSAMP_411, "test");
716         doTest(35, 39, _4byteFormats, num4bf, TJSAMP_411, "test");
717         doTest(39, 41, _onlyGray, 1, TJSAMP_GRAY, "test");
718         doTest(41, 35, _3byteFormats, 2, TJSAMP_GRAY, "test");
719         doTest(35, 39, _4byteFormats, 4, TJSAMP_GRAY, "test");
720         bufSizeTest();
721         if(doyuv)
722         {
723                 printf("\n--------------------\n\n");
724                 doTest(48, 48, _onlyRGB, 1, TJSAMP_444, "test_yuv0");
725                 doTest(48, 48, _onlyRGB, 1, TJSAMP_422, "test_yuv0");
726                 doTest(48, 48, _onlyRGB, 1, TJSAMP_420, "test_yuv0");
727                 doTest(48, 48, _onlyRGB, 1, TJSAMP_440, "test_yuv0");
728                 doTest(48, 48, _onlyRGB, 1, TJSAMP_411, "test_yuv0");
729                 doTest(48, 48, _onlyRGB, 1, TJSAMP_GRAY, "test_yuv0");
730                 doTest(48, 48, _onlyGray, 1, TJSAMP_GRAY, "test_yuv0");
731         }
732
733         return exitStatus;
734 }