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
45void 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
62const char *subNameLong[TJ_NUMSAMP]=
63{
64	"4:4:4", "4:2:2", "4:2:0", "GRAY", "4:4:0", "4:1:1"
65};
66const char *subName[TJ_NUMSAMP]={"444", "422", "420", "GRAY", "440", "411"};
67
68const char *pixFormatStr[TJ_NUMPF]=
69{
70	"RGB", "BGR", "RGBX", "BGRX", "XBGR", "XRGB", "Grayscale",
71	"RGBA", "BGRA", "ABGR", "ARGB", "CMYK"
72};
73
74const int alphaOffset[TJ_NUMPF] = {-1, -1, -1, -1, -1, -1, -1, 3, 3, 0, 0, -1};
75
76const int _3byteFormats[]={TJPF_RGB, TJPF_BGR};
77const int _4byteFormats[]={TJPF_RGBX, TJPF_BGRX, TJPF_XBGR, TJPF_XRGB,
78	TJPF_CMYK};
79const int _onlyGray[]={TJPF_GRAY};
80const int _onlyRGB[]={TJPF_RGB};
81
82int doyuv=0, alloc=0, pad=4;
83
84int exitStatus=0;
85#define bailout() {exitStatus=-1;  goto bailout;}
86
87
88void 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
180int 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
297int 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
381void 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
395void 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
454void _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
523void 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
547void 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
596void 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
689int 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}
735