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1 /*
2  * Copyright (C)2009-2014 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 
usage(char * progName)45 void usage(char *progName)
46 {
47 	printf("\nUSAGE: %s [options]\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");
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 
initBuf(unsigned char * buf,int w,int h,int pf,int flags)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 
checkBuf(unsigned char * buf,int w,int h,int pf,int subsamp,tjscalingfactor sf,int flags)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 
checkBufYUV(unsigned char * buf,int w,int h,int subsamp,tjscalingfactor sf)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 
writeJPEG(unsigned char * jpegBuf,unsigned long jpegSize,char * filename)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 
compTest(tjhandle handle,unsigned char ** dstBuf,unsigned long * dstSize,int w,int h,int pf,char * basename,int subsamp,int jpegQual,int flags)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 
_decompTest(tjhandle handle,unsigned char * jpegBuf,unsigned long jpegSize,int w,int h,int pf,char * basename,int subsamp,int flags,tjscalingfactor sf)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 
decompTest(tjhandle handle,unsigned char * jpegBuf,unsigned long jpegSize,int w,int h,int pf,char * basename,int subsamp,int flags)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 
doTest(int w,int h,const int * formats,int nformats,int subsamp,char * basename)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 #if SIZEOF_SIZE_T == 8
596 #define CHECKSIZE(function) { \
597   if ((unsigned long long)size < (unsigned long long)0xFFFFFFFF) \
598     THROW(#function " overflow"); \
599 }
600 #else
601 #define CHECKSIZE(function) { \
602   if (size != (unsigned long)(-1) || \
603       !strcmp(tjGetErrorStr2(NULL), "No error")) \
604     THROW(#function " overflow"); \
605 }
606 #endif
607 
overflowTest(void)608 static void overflowTest(void)
609 {
610   /* Ensure that the various buffer size functions don't overflow */
611   unsigned long size;
612 
613   size = tjBufSize(26755, 26755, TJSAMP_444);
614   CHECKSIZE(tjBufSize());
615   size = TJBUFSIZE(26755, 26755);
616   CHECKSIZE(TJBUFSIZE());
617   size = tjBufSizeYUV2(37838, 1, 37838, TJSAMP_444);
618   CHECKSIZE(tjBufSizeYUV2());
619   size = TJBUFSIZEYUV(37838, 37838, TJSAMP_444);
620   CHECKSIZE(TJBUFSIZEYUV());
621   size = tjBufSizeYUV(37838, 37838, TJSAMP_444);
622   CHECKSIZE(tjBufSizeYUV());
623   size = tjPlaneSizeYUV(0, 65536, 0, 65536, TJSAMP_444);
624   CHECKSIZE(tjPlaneSizeYUV());
625 
626 bailout:
627   return;
628 }
629 
bufSizeTest(void)630 static void bufSizeTest(void)
631 {
632 	int w, h, i, subsamp;
633 	unsigned char *srcBuf=NULL, *dstBuf=NULL;
634 	tjhandle handle=NULL;
635 	unsigned long dstSize=0;
636 
637 	if((handle=tjInitCompress())==NULL) _throwtj();
638 
639 	printf("Buffer size regression test\n");
640 	for(subsamp=0; subsamp<TJ_NUMSAMP; subsamp++)
641 	{
642 		for(w=1; w<48; w++)
643 		{
644 			int maxh=(w==1)? 2048:48;
645 			for(h=1; h<maxh; h++)
646 			{
647 				if(h%100==0) printf("%.4d x %.4d\b\b\b\b\b\b\b\b\b\b\b", w, h);
648 				if((srcBuf=(unsigned char *)malloc(w*h*4))==NULL)
649 					_throw("Memory allocation failure");
650 				if(!alloc || doyuv)
651 				{
652 					if(doyuv) dstSize=tjBufSizeYUV2(w, pad, h, subsamp);
653 					else dstSize=tjBufSize(w, h, subsamp);
654 					if((dstBuf=(unsigned char *)tjAlloc(dstSize))==NULL)
655 						_throw("Memory allocation failure");
656 				}
657 
658 				for(i=0; i<w*h*4; i++)
659 				{
660 					if(random()<RAND_MAX/2) srcBuf[i]=0;
661 					else srcBuf[i]=255;
662 				}
663 
664 				if(doyuv)
665 				{
666 					_tj(tjEncodeYUV3(handle, srcBuf, w, 0, h, TJPF_BGRX, dstBuf, pad,
667 						subsamp, 0));
668 				}
669 				else
670 				{
671 					_tj(tjCompress2(handle, srcBuf, w, 0, h, TJPF_BGRX, &dstBuf,
672 						&dstSize, subsamp, 100, alloc? 0:TJFLAG_NOREALLOC));
673 				}
674 				free(srcBuf);  srcBuf=NULL;
675 				if(!alloc || doyuv)
676 				{
677 					tjFree(dstBuf);  dstBuf=NULL;
678 				}
679 
680 				if((srcBuf=(unsigned char *)malloc(h*w*4))==NULL)
681 					_throw("Memory allocation failure");
682 				if(!alloc || doyuv)
683 				{
684 					if(doyuv) dstSize=tjBufSizeYUV2(h, pad, w, subsamp);
685 					else dstSize=tjBufSize(h, w, subsamp);
686 					if((dstBuf=(unsigned char *)tjAlloc(dstSize))==NULL)
687 						_throw("Memory allocation failure");
688 				}
689 
690 				for(i=0; i<h*w*4; i++)
691 				{
692 					if(random()<RAND_MAX/2) srcBuf[i]=0;
693 					else srcBuf[i]=255;
694 				}
695 
696 				if(doyuv)
697 				{
698 					_tj(tjEncodeYUV3(handle, srcBuf, h, 0, w, TJPF_BGRX, dstBuf, pad,
699 						subsamp, 0));
700 				}
701 				else
702 				{
703 					_tj(tjCompress2(handle, srcBuf, h, 0, w, TJPF_BGRX, &dstBuf,
704 						&dstSize, subsamp, 100, alloc? 0:TJFLAG_NOREALLOC));
705 				}
706 				free(srcBuf);  srcBuf=NULL;
707 				if(!alloc || doyuv)
708 				{
709 					tjFree(dstBuf);  dstBuf=NULL;
710 				}
711 			}
712 		}
713 	}
714 	printf("Done.      \n");
715 
716 	bailout:
717 	if(srcBuf) free(srcBuf);
718 	if(dstBuf) tjFree(dstBuf);
719 	if(handle) tjDestroy(handle);
720 }
721 
722 
main(int argc,char * argv[])723 int main(int argc, char *argv[])
724 {
725 	int i, num4bf=5;
726 	#ifdef _WIN32
727 	srand((unsigned int)time(NULL));
728 	#endif
729 	if(argc>1)
730 	{
731 		for(i=1; i<argc; i++)
732 		{
733 			if(!strcasecmp(argv[i], "-yuv")) doyuv=1;
734 			if(!strcasecmp(argv[i], "-noyuvpad")) pad=1;
735 			if(!strcasecmp(argv[i], "-alloc")) alloc=1;
736 			if(!strncasecmp(argv[i], "-h", 2) || !strcasecmp(argv[i], "-?"))
737 				usage(argv[0]);
738 		}
739 	}
740 	if(alloc) printf("Testing automatic buffer allocation\n");
741 	if(doyuv) num4bf=4;
742 	overflowtest();
743 	doTest(35, 39, _3byteFormats, 2, TJSAMP_444, "test");
744 	doTest(39, 41, _4byteFormats, num4bf, TJSAMP_444, "test");
745 	doTest(41, 35, _3byteFormats, 2, TJSAMP_422, "test");
746 	doTest(35, 39, _4byteFormats, num4bf, TJSAMP_422, "test");
747 	doTest(39, 41, _3byteFormats, 2, TJSAMP_420, "test");
748 	doTest(41, 35, _4byteFormats, num4bf, TJSAMP_420, "test");
749 	doTest(35, 39, _3byteFormats, 2, TJSAMP_440, "test");
750 	doTest(39, 41, _4byteFormats, num4bf, TJSAMP_440, "test");
751 	doTest(41, 35, _3byteFormats, 2, TJSAMP_411, "test");
752 	doTest(35, 39, _4byteFormats, num4bf, TJSAMP_411, "test");
753 	doTest(39, 41, _onlyGray, 1, TJSAMP_GRAY, "test");
754 	doTest(41, 35, _3byteFormats, 2, TJSAMP_GRAY, "test");
755 	doTest(35, 39, _4byteFormats, 4, TJSAMP_GRAY, "test");
756 	bufSizeTest();
757 	if(doyuv)
758 	{
759 		printf("\n--------------------\n\n");
760 		doTest(48, 48, _onlyRGB, 1, TJSAMP_444, "test_yuv0");
761 		doTest(48, 48, _onlyRGB, 1, TJSAMP_422, "test_yuv0");
762 		doTest(48, 48, _onlyRGB, 1, TJSAMP_420, "test_yuv0");
763 		doTest(48, 48, _onlyRGB, 1, TJSAMP_440, "test_yuv0");
764 		doTest(48, 48, _onlyRGB, 1, TJSAMP_411, "test_yuv0");
765 		doTest(48, 48, _onlyRGB, 1, TJSAMP_GRAY, "test_yuv0");
766 		doTest(48, 48, _onlyGray, 1, TJSAMP_GRAY, "test_yuv0");
767 	}
768 
769 	return exitStatus;
770 }
771