1 /*
2 * Copyright (C)2009-2016 D. R. Commander. All Rights Reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * - Redistributions of source code must retain the above copyright notice,
8 * this list of conditions and the following disclaimer.
9 * - Redistributions in binary form must reproduce the above copyright notice,
10 * this list of conditions and the following disclaimer in the documentation
11 * and/or other materials provided with the distribution.
12 * - Neither the name of the libjpeg-turbo Project nor the names of its
13 * contributors may be used to endorse or promote products derived from this
14 * software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include <stdio.h>
30 #include <stdlib.h>
31 #include <string.h>
32 #include <ctype.h>
33 #include <math.h>
34 #include <errno.h>
35 #include <cdjpeg.h>
36 #include "./bmp.h"
37 #include "./tjutil.h"
38 #include "./turbojpeg.h"
39
40
41 #define _throw(op, err) { \
42 printf("ERROR in line %d while %s:\n%s\n", __LINE__, op, err); \
43 retval=-1; goto bailout;}
44 #define _throwunix(m) _throw(m, strerror(errno))
45 #define _throwtj(m) _throw(m, tjGetErrorStr())
46 #define _throwbmp(m) _throw(m, bmpgeterr())
47
48 int flags=TJFLAG_NOREALLOC, componly=0, decomponly=0, doyuv=0, quiet=0,
49 dotile=0, pf=TJPF_BGR, yuvpad=1, warmup=1, dowrite=1;
50 char *ext="ppm";
51 const char *pixFormatStr[TJ_NUMPF]=
52 {
53 "RGB", "BGR", "RGBX", "BGRX", "XBGR", "XRGB", "GRAY", "", "", "", "", "CMYK"
54 };
55 const char *subNameLong[TJ_NUMSAMP]=
56 {
57 "4:4:4", "4:2:2", "4:2:0", "GRAY", "4:4:0", "4:1:1"
58 };
59 const char *csName[TJ_NUMCS]=
60 {
61 "RGB", "YCbCr", "GRAY", "CMYK", "YCCK"
62 };
63 const char *subName[TJ_NUMSAMP]={"444", "422", "420", "GRAY", "440", "411"};
64 tjscalingfactor *scalingfactors=NULL, sf={1, 1}; int nsf=0;
65 int xformop=TJXOP_NONE, xformopt=0;
66 int (*customFilter)(short *, tjregion, tjregion, int, int, tjtransform *);
67 double benchtime=5.0;
68
69
formatName(int subsamp,int cs,char * buf)70 char *formatName(int subsamp, int cs, char *buf)
71 {
72 if(cs==TJCS_YCbCr) return (char *)subNameLong[subsamp];
73 else if(cs==TJCS_YCCK)
74 {
75 snprintf(buf, 80, "%s %s", csName[cs], subNameLong[subsamp]);
76 return buf;
77 }
78 else return (char *)csName[cs];
79 }
80
81
sigfig(double val,int figs,char * buf,int len)82 char *sigfig(double val, int figs, char *buf, int len)
83 {
84 char format[80];
85 int digitsafterdecimal=figs-(int)ceil(log10(fabs(val)));
86 if(digitsafterdecimal<1) snprintf(format, 80, "%%.0f");
87 else snprintf(format, 80, "%%.%df", digitsafterdecimal);
88 snprintf(buf, len, format, val);
89 return buf;
90 }
91
92
93 /* Custom DCT filter which produces a negative of the image */
dummyDCTFilter(short * coeffs,tjregion arrayRegion,tjregion planeRegion,int componentIndex,int transformIndex,tjtransform * transform)94 int dummyDCTFilter(short *coeffs, tjregion arrayRegion, tjregion planeRegion,
95 int componentIndex, int transformIndex, tjtransform *transform)
96 {
97 int i;
98 for(i=0; i<arrayRegion.w*arrayRegion.h; i++) coeffs[i]=-coeffs[i];
99 return 0;
100 }
101
102
103 /* Decompression test */
decomp(unsigned char * srcbuf,unsigned char ** jpegbuf,unsigned long * jpegsize,unsigned char * dstbuf,int w,int h,int subsamp,int jpegqual,char * filename,int tilew,int tileh)104 int decomp(unsigned char *srcbuf, unsigned char **jpegbuf,
105 unsigned long *jpegsize, unsigned char *dstbuf, int w, int h,
106 int subsamp, int jpegqual, char *filename, int tilew, int tileh)
107 {
108 char tempstr[1024], sizestr[20]="\0", qualstr[6]="\0", *ptr;
109 FILE *file=NULL; tjhandle handle=NULL;
110 int row, col, iter=0, dstbufalloc=0, retval=0;
111 double elapsed, elapsedDecode;
112 int ps=tjPixelSize[pf];
113 int scaledw=TJSCALED(w, sf);
114 int scaledh=TJSCALED(h, sf);
115 int pitch=scaledw*ps;
116 int ntilesw=(w+tilew-1)/tilew, ntilesh=(h+tileh-1)/tileh;
117 unsigned char *dstptr, *dstptr2, *yuvbuf=NULL;
118
119 if(jpegqual>0)
120 {
121 snprintf(qualstr, 6, "_Q%d", jpegqual);
122 qualstr[5]=0;
123 }
124
125 if((handle=tjInitDecompress())==NULL)
126 _throwtj("executing tjInitDecompress()");
127
128 if(dstbuf==NULL)
129 {
130 if((dstbuf=(unsigned char *)malloc(pitch*scaledh))==NULL)
131 _throwunix("allocating destination buffer");
132 dstbufalloc=1;
133 }
134 /* Set the destination buffer to gray so we know whether the decompressor
135 attempted to write to it */
136 memset(dstbuf, 127, pitch*scaledh);
137
138 if(doyuv)
139 {
140 int width=dotile? tilew:scaledw;
141 int height=dotile? tileh:scaledh;
142 int yuvsize=tjBufSizeYUV2(width, yuvpad, height, subsamp);
143 if((yuvbuf=(unsigned char *)malloc(yuvsize))==NULL)
144 _throwunix("allocating YUV buffer");
145 memset(yuvbuf, 127, yuvsize);
146 }
147
148 /* Benchmark */
149 iter=-warmup;
150 elapsed=elapsedDecode=0.;
151 while(1)
152 {
153 int tile=0;
154 double start=gettime();
155 for(row=0, dstptr=dstbuf; row<ntilesh; row++, dstptr+=pitch*tileh)
156 {
157 for(col=0, dstptr2=dstptr; col<ntilesw; col++, tile++, dstptr2+=ps*tilew)
158 {
159 int width=dotile? min(tilew, w-col*tilew):scaledw;
160 int height=dotile? min(tileh, h-row*tileh):scaledh;
161 if(doyuv)
162 {
163 double startDecode;
164 if(tjDecompressToYUV2(handle, jpegbuf[tile], jpegsize[tile], yuvbuf,
165 width, yuvpad, height, flags)==-1)
166 _throwtj("executing tjDecompressToYUV2()");
167 startDecode=gettime();
168 if(tjDecodeYUV(handle, yuvbuf, yuvpad, subsamp, dstptr2, width,
169 pitch, height, pf, flags)==-1)
170 _throwtj("executing tjDecodeYUV()");
171 if(iter>=0) elapsedDecode+=gettime()-startDecode;
172 }
173 else
174 if(tjDecompress2(handle, jpegbuf[tile], jpegsize[tile], dstptr2,
175 width, pitch, height, pf, flags)==-1)
176 _throwtj("executing tjDecompress2()");
177 }
178 }
179 iter++;
180 if(iter>=1)
181 {
182 elapsed+=gettime()-start;
183 if(elapsed>=benchtime) break;
184 }
185 }
186 if(doyuv) elapsed-=elapsedDecode;
187
188 if(tjDestroy(handle)==-1) _throwtj("executing tjDestroy()");
189 handle=NULL;
190
191 if(quiet)
192 {
193 printf("%-6s%s",
194 sigfig((double)(w*h)/1000000.*(double)iter/elapsed, 4, tempstr, 1024),
195 quiet==2? "\n":" ");
196 if(doyuv)
197 printf("%s\n",
198 sigfig((double)(w*h)/1000000.*(double)iter/elapsedDecode, 4, tempstr,
199 1024));
200 else if(quiet!=2) printf("\n");
201 }
202 else
203 {
204 printf("%s --> Frame rate: %f fps\n",
205 doyuv? "Decomp to YUV":"Decompress ", (double)iter/elapsed);
206 printf(" Throughput: %f Megapixels/sec\n",
207 (double)(w*h)/1000000.*(double)iter/elapsed);
208 if(doyuv)
209 {
210 printf("YUV Decode --> Frame rate: %f fps\n",
211 (double)iter/elapsedDecode);
212 printf(" Throughput: %f Megapixels/sec\n",
213 (double)(w*h)/1000000.*(double)iter/elapsedDecode);
214 }
215 }
216
217 if (!dowrite) goto bailout;
218
219 if(sf.num!=1 || sf.denom!=1)
220 snprintf(sizestr, 20, "%d_%d", sf.num, sf.denom);
221 else if(tilew!=w || tileh!=h)
222 snprintf(sizestr, 20, "%dx%d", tilew, tileh);
223 else snprintf(sizestr, 20, "full");
224 if(decomponly)
225 snprintf(tempstr, 1024, "%s_%s.%s", filename, sizestr, ext);
226 else
227 snprintf(tempstr, 1024, "%s_%s%s_%s.%s", filename, subName[subsamp],
228 qualstr, sizestr, ext);
229
230 if(savebmp(tempstr, dstbuf, scaledw, scaledh, pf,
231 (flags&TJFLAG_BOTTOMUP)!=0)==-1)
232 _throwbmp("saving bitmap");
233 ptr=strrchr(tempstr, '.');
234 snprintf(ptr, 1024-(ptr-tempstr), "-err.%s", ext);
235 if(srcbuf && sf.num==1 && sf.denom==1)
236 {
237 if(!quiet) printf("Compression error written to %s.\n", tempstr);
238 if(subsamp==TJ_GRAYSCALE)
239 {
240 int index, index2;
241 for(row=0, index=0; row<h; row++, index+=pitch)
242 {
243 for(col=0, index2=index; col<w; col++, index2+=ps)
244 {
245 int rindex=index2+tjRedOffset[pf];
246 int gindex=index2+tjGreenOffset[pf];
247 int bindex=index2+tjBlueOffset[pf];
248 int y=(int)((double)srcbuf[rindex]*0.299
249 + (double)srcbuf[gindex]*0.587
250 + (double)srcbuf[bindex]*0.114 + 0.5);
251 if(y>255) y=255;
252 if(y<0) y=0;
253 dstbuf[rindex]=abs(dstbuf[rindex]-y);
254 dstbuf[gindex]=abs(dstbuf[gindex]-y);
255 dstbuf[bindex]=abs(dstbuf[bindex]-y);
256 }
257 }
258 }
259 else
260 {
261 for(row=0; row<h; row++)
262 for(col=0; col<w*ps; col++)
263 dstbuf[pitch*row+col]
264 =abs(dstbuf[pitch*row+col]-srcbuf[pitch*row+col]);
265 }
266 if(savebmp(tempstr, dstbuf, w, h, pf,
267 (flags&TJFLAG_BOTTOMUP)!=0)==-1)
268 _throwbmp("saving bitmap");
269 }
270
271 bailout:
272 if(file) fclose(file);
273 if(handle) tjDestroy(handle);
274 if(dstbuf && dstbufalloc) free(dstbuf);
275 if(yuvbuf) free(yuvbuf);
276 return retval;
277 }
278
279
fullTest(unsigned char * srcbuf,int w,int h,int subsamp,int jpegqual,char * filename)280 int fullTest(unsigned char *srcbuf, int w, int h, int subsamp, int jpegqual,
281 char *filename)
282 {
283 char tempstr[1024], tempstr2[80];
284 FILE *file=NULL; tjhandle handle=NULL;
285 unsigned char **jpegbuf=NULL, *yuvbuf=NULL, *tmpbuf=NULL, *srcptr, *srcptr2;
286 double start, elapsed, elapsedEncode;
287 int totaljpegsize=0, row, col, i, tilew=w, tileh=h, retval=0;
288 int iter, yuvsize=0;
289 unsigned long *jpegsize=NULL;
290 int ps=tjPixelSize[pf];
291 int ntilesw=1, ntilesh=1, pitch=w*ps;
292 const char *pfStr=pixFormatStr[pf];
293
294 if((tmpbuf=(unsigned char *)malloc(pitch*h)) == NULL)
295 _throwunix("allocating temporary image buffer");
296
297 if(!quiet)
298 printf(">>>>> %s (%s) <--> JPEG %s Q%d <<<<<\n", pfStr,
299 (flags&TJFLAG_BOTTOMUP)? "Bottom-up":"Top-down", subNameLong[subsamp],
300 jpegqual);
301
302 for(tilew=dotile? 8:w, tileh=dotile? 8:h; ; tilew*=2, tileh*=2)
303 {
304 if(tilew>w) tilew=w;
305 if(tileh>h) tileh=h;
306 ntilesw=(w+tilew-1)/tilew; ntilesh=(h+tileh-1)/tileh;
307
308 if((jpegbuf=(unsigned char **)malloc(sizeof(unsigned char *)
309 *ntilesw*ntilesh))==NULL)
310 _throwunix("allocating JPEG tile array");
311 memset(jpegbuf, 0, sizeof(unsigned char *)*ntilesw*ntilesh);
312 if((jpegsize=(unsigned long *)malloc(sizeof(unsigned long)
313 *ntilesw*ntilesh))==NULL)
314 _throwunix("allocating JPEG size array");
315 memset(jpegsize, 0, sizeof(unsigned long)*ntilesw*ntilesh);
316
317 if((flags&TJFLAG_NOREALLOC)!=0)
318 for(i=0; i<ntilesw*ntilesh; i++)
319 {
320 if((jpegbuf[i]=(unsigned char *)tjAlloc(tjBufSize(tilew, tileh,
321 subsamp)))==NULL)
322 _throwunix("allocating JPEG tiles");
323 }
324
325 /* Compression test */
326 if(quiet==1)
327 printf("%-4s (%s) %-5s %-3d ", pfStr,
328 (flags&TJFLAG_BOTTOMUP)? "BU":"TD", subNameLong[subsamp], jpegqual);
329 for(i=0; i<h; i++)
330 memcpy(&tmpbuf[pitch*i], &srcbuf[w*ps*i], w*ps);
331 if((handle=tjInitCompress())==NULL)
332 _throwtj("executing tjInitCompress()");
333
334 if(doyuv)
335 {
336 yuvsize=tjBufSizeYUV2(tilew, yuvpad, tileh, subsamp);
337 if((yuvbuf=(unsigned char *)malloc(yuvsize))==NULL)
338 _throwunix("allocating YUV buffer");
339 memset(yuvbuf, 127, yuvsize);
340 }
341
342 /* Benchmark */
343 iter=-warmup;
344 elapsed=elapsedEncode=0.;
345 while(1)
346 {
347 int tile=0;
348 totaljpegsize=0;
349 start=gettime();
350 for(row=0, srcptr=srcbuf; row<ntilesh; row++, srcptr+=pitch*tileh)
351 {
352 for(col=0, srcptr2=srcptr; col<ntilesw; col++, tile++,
353 srcptr2+=ps*tilew)
354 {
355 int width=min(tilew, w-col*tilew);
356 int height=min(tileh, h-row*tileh);
357 if(doyuv)
358 {
359 double startEncode=gettime();
360 if(tjEncodeYUV3(handle, srcptr2, width, pitch, height, pf, yuvbuf,
361 yuvpad, subsamp, flags)==-1)
362 _throwtj("executing tjEncodeYUV3()");
363 if(iter>=0) elapsedEncode+=gettime()-startEncode;
364 if(tjCompressFromYUV(handle, yuvbuf, width, yuvpad, height,
365 subsamp, &jpegbuf[tile], &jpegsize[tile], jpegqual, flags)==-1)
366 _throwtj("executing tjCompressFromYUV()");
367 }
368 else
369 {
370 if(tjCompress2(handle, srcptr2, width, pitch, height, pf,
371 &jpegbuf[tile], &jpegsize[tile], subsamp, jpegqual, flags)==-1)
372 _throwtj("executing tjCompress2()");
373 }
374 totaljpegsize+=jpegsize[tile];
375 }
376 }
377 iter++;
378 if(iter>=1)
379 {
380 elapsed+=gettime()-start;
381 if(elapsed>=benchtime) break;
382 }
383 }
384 if(doyuv) elapsed-=elapsedEncode;
385
386 if(tjDestroy(handle)==-1) _throwtj("executing tjDestroy()");
387 handle=NULL;
388
389 if(quiet==1) printf("%-5d %-5d ", tilew, tileh);
390 if(quiet)
391 {
392 if(doyuv)
393 printf("%-6s%s",
394 sigfig((double)(w*h)/1000000.*(double)iter/elapsedEncode, 4, tempstr,
395 1024), quiet==2? "\n":" ");
396 printf("%-6s%s",
397 sigfig((double)(w*h)/1000000.*(double)iter/elapsed, 4, tempstr, 1024),
398 quiet==2? "\n":" ");
399 printf("%-6s%s",
400 sigfig((double)(w*h*ps)/(double)totaljpegsize, 4, tempstr2, 80),
401 quiet==2? "\n":" ");
402 }
403 else
404 {
405 printf("\n%s size: %d x %d\n", dotile? "Tile":"Image", tilew,
406 tileh);
407 if(doyuv)
408 {
409 printf("Encode YUV --> Frame rate: %f fps\n",
410 (double)iter/elapsedEncode);
411 printf(" Output image size: %d bytes\n", yuvsize);
412 printf(" Compression ratio: %f:1\n",
413 (double)(w*h*ps)/(double)yuvsize);
414 printf(" Throughput: %f Megapixels/sec\n",
415 (double)(w*h)/1000000.*(double)iter/elapsedEncode);
416 printf(" Output bit stream: %f Megabits/sec\n",
417 (double)yuvsize*8./1000000.*(double)iter/elapsedEncode);
418 }
419 printf("%s --> Frame rate: %f fps\n",
420 doyuv? "Comp from YUV":"Compress ", (double)iter/elapsed);
421 printf(" Output image size: %d bytes\n",
422 totaljpegsize);
423 printf(" Compression ratio: %f:1\n",
424 (double)(w*h*ps)/(double)totaljpegsize);
425 printf(" Throughput: %f Megapixels/sec\n",
426 (double)(w*h)/1000000.*(double)iter/elapsed);
427 printf(" Output bit stream: %f Megabits/sec\n",
428 (double)totaljpegsize*8./1000000.*(double)iter/elapsed);
429 }
430 if(tilew==w && tileh==h && dowrite)
431 {
432 snprintf(tempstr, 1024, "%s_%s_Q%d.jpg", filename, subName[subsamp],
433 jpegqual);
434 if((file=fopen(tempstr, "wb"))==NULL)
435 _throwunix("opening reference image");
436 if(fwrite(jpegbuf[0], jpegsize[0], 1, file)!=1)
437 _throwunix("writing reference image");
438 fclose(file); file=NULL;
439 if(!quiet) printf("Reference image written to %s\n", tempstr);
440 }
441
442 /* Decompression test */
443 if(!componly)
444 {
445 if(decomp(srcbuf, jpegbuf, jpegsize, tmpbuf, w, h, subsamp, jpegqual,
446 filename, tilew, tileh)==-1)
447 goto bailout;
448 }
449
450 for(i=0; i<ntilesw*ntilesh; i++)
451 {
452 if(jpegbuf[i]) tjFree(jpegbuf[i]);
453 jpegbuf[i]=NULL;
454 }
455 free(jpegbuf); jpegbuf=NULL;
456 free(jpegsize); jpegsize=NULL;
457 if(doyuv)
458 {
459 free(yuvbuf); yuvbuf=NULL;
460 }
461
462 if(tilew==w && tileh==h) break;
463 }
464
465 bailout:
466 if(file) {fclose(file); file=NULL;}
467 if(jpegbuf)
468 {
469 for(i=0; i<ntilesw*ntilesh; i++)
470 {
471 if(jpegbuf[i]) tjFree(jpegbuf[i]);
472 jpegbuf[i]=NULL;
473 }
474 free(jpegbuf); jpegbuf=NULL;
475 }
476 if(yuvbuf) {free(yuvbuf); yuvbuf=NULL;}
477 if(jpegsize) {free(jpegsize); jpegsize=NULL;}
478 if(tmpbuf) {free(tmpbuf); tmpbuf=NULL;}
479 if(handle) {tjDestroy(handle); handle=NULL;}
480 return retval;
481 }
482
483
decompTest(char * filename)484 int decompTest(char *filename)
485 {
486 FILE *file=NULL; tjhandle handle=NULL;
487 unsigned char **jpegbuf=NULL, *srcbuf=NULL;
488 unsigned long *jpegsize=NULL, srcsize, totaljpegsize;
489 tjtransform *t=NULL;
490 int w=0, h=0, subsamp=-1, cs=-1, _w, _h, _tilew, _tileh,
491 _ntilesw, _ntilesh, _subsamp;
492 char *temp=NULL, tempstr[80], tempstr2[80];
493 int row, col, i, iter, tilew, tileh, ntilesw=1, ntilesh=1, retval=0;
494 double start, elapsed;
495 int ps=tjPixelSize[pf], tile;
496
497 if((file=fopen(filename, "rb"))==NULL)
498 _throwunix("opening file");
499 if(fseek(file, 0, SEEK_END)<0 || (srcsize=ftell(file))==(unsigned long)-1)
500 _throwunix("determining file size");
501 if((srcbuf=(unsigned char *)malloc(srcsize))==NULL)
502 _throwunix("allocating memory");
503 if(fseek(file, 0, SEEK_SET)<0)
504 _throwunix("setting file position");
505 if(fread(srcbuf, srcsize, 1, file)<1)
506 _throwunix("reading JPEG data");
507 fclose(file); file=NULL;
508
509 temp=strrchr(filename, '.');
510 if(temp!=NULL) *temp='\0';
511
512 if((handle=tjInitTransform())==NULL)
513 _throwtj("executing tjInitTransform()");
514 if(tjDecompressHeader3(handle, srcbuf, srcsize, &w, &h, &subsamp, &cs)==-1)
515 _throwtj("executing tjDecompressHeader3()");
516 if(cs==TJCS_YCCK || cs==TJCS_CMYK)
517 {
518 pf=TJPF_CMYK; ps=tjPixelSize[pf];
519 }
520
521 if(quiet==1)
522 {
523 printf("All performance values in Mpixels/sec\n\n");
524 printf("Bitmap JPEG JPEG %s %s Xform Comp Decomp ",
525 dotile? "Tile ":"Image", dotile? "Tile ":"Image");
526 if(doyuv) printf("Decode");
527 printf("\n");
528 printf("Format CS Subsamp Width Height Perf Ratio Perf ");
529 if(doyuv) printf("Perf");
530 printf("\n\n");
531 }
532 else if(!quiet)
533 printf(">>>>> JPEG %s --> %s (%s) <<<<<\n",
534 formatName(subsamp, cs, tempstr), pixFormatStr[pf],
535 (flags&TJFLAG_BOTTOMUP)? "Bottom-up":"Top-down");
536
537 for(tilew=dotile? 16:w, tileh=dotile? 16:h; ; tilew*=2, tileh*=2)
538 {
539 if(tilew>w) tilew=w;
540 if(tileh>h) tileh=h;
541 ntilesw=(w+tilew-1)/tilew; ntilesh=(h+tileh-1)/tileh;
542
543 if((jpegbuf=(unsigned char **)malloc(sizeof(unsigned char *)
544 *ntilesw*ntilesh))==NULL)
545 _throwunix("allocating JPEG tile array");
546 memset(jpegbuf, 0, sizeof(unsigned char *)*ntilesw*ntilesh);
547 if((jpegsize=(unsigned long *)malloc(sizeof(unsigned long)
548 *ntilesw*ntilesh))==NULL)
549 _throwunix("allocating JPEG size array");
550 memset(jpegsize, 0, sizeof(unsigned long)*ntilesw*ntilesh);
551
552 if((flags&TJFLAG_NOREALLOC)!=0 || !dotile)
553 for(i=0; i<ntilesw*ntilesh; i++)
554 {
555 if((jpegbuf[i]=(unsigned char *)tjAlloc(tjBufSize(tilew, tileh,
556 subsamp)))==NULL)
557 _throwunix("allocating JPEG tiles");
558 }
559
560 _w=w; _h=h; _tilew=tilew; _tileh=tileh;
561 if(!quiet)
562 {
563 printf("\n%s size: %d x %d", dotile? "Tile":"Image", _tilew,
564 _tileh);
565 if(sf.num!=1 || sf.denom!=1)
566 printf(" --> %d x %d", TJSCALED(_w, sf), TJSCALED(_h, sf));
567 printf("\n");
568 }
569 else if(quiet==1)
570 {
571 printf("%-4s (%s) %-5s %-5s ", pixFormatStr[pf],
572 (flags&TJFLAG_BOTTOMUP)? "BU":"TD", csName[cs], subNameLong[subsamp]);
573 printf("%-5d %-5d ", tilew, tileh);
574 }
575
576 _subsamp=subsamp;
577 if(dotile || xformop!=TJXOP_NONE || xformopt!=0 || customFilter)
578 {
579 if((t=(tjtransform *)malloc(sizeof(tjtransform)*ntilesw*ntilesh))
580 ==NULL)
581 _throwunix("allocating image transform array");
582
583 if(xformop==TJXOP_TRANSPOSE || xformop==TJXOP_TRANSVERSE
584 || xformop==TJXOP_ROT90 || xformop==TJXOP_ROT270)
585 {
586 _w=h; _h=w; _tilew=tileh; _tileh=tilew;
587 }
588
589 if(xformopt&TJXOPT_GRAY) _subsamp=TJ_GRAYSCALE;
590 if(xformop==TJXOP_HFLIP || xformop==TJXOP_ROT180)
591 _w=_w-(_w%tjMCUWidth[_subsamp]);
592 if(xformop==TJXOP_VFLIP || xformop==TJXOP_ROT180)
593 _h=_h-(_h%tjMCUHeight[_subsamp]);
594 if(xformop==TJXOP_TRANSVERSE || xformop==TJXOP_ROT90)
595 _w=_w-(_w%tjMCUHeight[_subsamp]);
596 if(xformop==TJXOP_TRANSVERSE || xformop==TJXOP_ROT270)
597 _h=_h-(_h%tjMCUWidth[_subsamp]);
598 _ntilesw=(_w+_tilew-1)/_tilew;
599 _ntilesh=(_h+_tileh-1)/_tileh;
600
601 if(xformop==TJXOP_TRANSPOSE || xformop==TJXOP_TRANSVERSE
602 || xformop==TJXOP_ROT90 || xformop==TJXOP_ROT270)
603 {
604 if(_subsamp==TJSAMP_422) _subsamp=TJSAMP_440;
605 else if(_subsamp==TJSAMP_440) _subsamp=TJSAMP_422;
606 }
607
608 for(row=0, tile=0; row<_ntilesh; row++)
609 {
610 for(col=0; col<_ntilesw; col++, tile++)
611 {
612 t[tile].r.w=min(_tilew, _w-col*_tilew);
613 t[tile].r.h=min(_tileh, _h-row*_tileh);
614 t[tile].r.x=col*_tilew;
615 t[tile].r.y=row*_tileh;
616 t[tile].op=xformop;
617 t[tile].options=xformopt|TJXOPT_TRIM;
618 t[tile].customFilter=customFilter;
619 if(t[tile].options&TJXOPT_NOOUTPUT && jpegbuf[tile])
620 {
621 tjFree(jpegbuf[tile]); jpegbuf[tile]=NULL;
622 }
623 }
624 }
625
626 iter=-warmup;
627 elapsed=0.;
628 while(1)
629 {
630 start=gettime();
631 if(tjTransform(handle, srcbuf, srcsize, _ntilesw*_ntilesh, jpegbuf,
632 jpegsize, t, flags)==-1)
633 _throwtj("executing tjTransform()");
634 iter++;
635 if(iter>=1)
636 {
637 elapsed+=gettime()-start;
638 if(elapsed>=benchtime) break;
639 }
640 }
641
642 free(t); t=NULL;
643
644 for(tile=0, totaljpegsize=0; tile<_ntilesw*_ntilesh; tile++)
645 totaljpegsize+=jpegsize[tile];
646
647 if(quiet)
648 {
649 printf("%-6s%s%-6s%s",
650 sigfig((double)(w*h)/1000000./elapsed, 4, tempstr, 80),
651 quiet==2? "\n":" ",
652 sigfig((double)(w*h*ps)/(double)totaljpegsize, 4, tempstr2, 80),
653 quiet==2? "\n":" ");
654 }
655 else if(!quiet)
656 {
657 printf("Transform --> Frame rate: %f fps\n", 1.0/elapsed);
658 printf(" Output image size: %lu bytes\n", totaljpegsize);
659 printf(" Compression ratio: %f:1\n",
660 (double)(w*h*ps)/(double)totaljpegsize);
661 printf(" Throughput: %f Megapixels/sec\n",
662 (double)(w*h)/1000000./elapsed);
663 printf(" Output bit stream: %f Megabits/sec\n",
664 (double)totaljpegsize*8./1000000./elapsed);
665 }
666 }
667 else
668 {
669 if(quiet==1) printf("N/A N/A ");
670 jpegsize[0]=srcsize;
671 memcpy(jpegbuf[0], srcbuf, srcsize);
672 }
673
674 if(w==tilew) _tilew=_w;
675 if(h==tileh) _tileh=_h;
676 if(!(xformopt&TJXOPT_NOOUTPUT))
677 {
678 if(decomp(NULL, jpegbuf, jpegsize, NULL, _w, _h, _subsamp, 0,
679 filename, _tilew, _tileh)==-1)
680 goto bailout;
681 }
682 else if(quiet==1) printf("N/A\n");
683
684 for(i=0; i<ntilesw*ntilesh; i++)
685 {
686 tjFree(jpegbuf[i]); jpegbuf[i]=NULL;
687 }
688 free(jpegbuf); jpegbuf=NULL;
689 if(jpegsize) {free(jpegsize); jpegsize=NULL;}
690
691 if(tilew==w && tileh==h) break;
692 }
693
694 bailout:
695 if(file) {fclose(file); file=NULL;}
696 if(jpegbuf)
697 {
698 for(i=0; i<ntilesw*ntilesh; i++)
699 {
700 if(jpegbuf[i]) tjFree(jpegbuf[i]);
701 jpegbuf[i]=NULL;
702 }
703 free(jpegbuf); jpegbuf=NULL;
704 }
705 if(jpegsize) {free(jpegsize); jpegsize=NULL;}
706 if(srcbuf) {free(srcbuf); srcbuf=NULL;}
707 if(t) {free(t); t=NULL;}
708 if(handle) {tjDestroy(handle); handle=NULL;}
709 return retval;
710 }
711
712
usage(char * progname)713 void usage(char *progname)
714 {
715 int i;
716 printf("USAGE: %s\n", progname);
717 printf(" <Inputfile (BMP|PPM)> <Quality> [options]\n\n");
718 printf(" %s\n", progname);
719 printf(" <Inputfile (JPG)> [options]\n\n");
720 printf("Options:\n\n");
721 printf("-alloc = Dynamically allocate JPEG image buffers\n");
722 printf("-bmp = Generate output images in Windows Bitmap format (default = PPM)\n");
723 printf("-bottomup = Test bottom-up compression/decompression\n");
724 printf("-tile = Test performance of the codec when the image is encoded as separate\n");
725 printf(" tiles of varying sizes.\n");
726 printf("-rgb, -bgr, -rgbx, -bgrx, -xbgr, -xrgb =\n");
727 printf(" Test the specified color conversion path in the codec (default = BGR)\n");
728 printf("-cmyk = Indirectly test YCCK JPEG compression/decompression (the source\n");
729 printf(" and destination bitmaps are still RGB. The conversion is done\n");
730 printf(" internally prior to compression or after decompression.)\n");
731 printf("-fastupsample = Use the fastest chrominance upsampling algorithm available in\n");
732 printf(" the underlying codec\n");
733 printf("-fastdct = Use the fastest DCT/IDCT algorithms available in the underlying\n");
734 printf(" codec\n");
735 printf("-accuratedct = Use the most accurate DCT/IDCT algorithms available in the\n");
736 printf(" underlying codec\n");
737 printf("-subsamp <s> = When testing JPEG compression, this option specifies the level\n");
738 printf(" of chrominance subsampling to use (<s> = 444, 422, 440, 420, 411, or\n");
739 printf(" GRAY). The default is to test Grayscale, 4:2:0, 4:2:2, and 4:4:4 in\n");
740 printf(" sequence.\n");
741 printf("-quiet = Output results in tabular rather than verbose format\n");
742 printf("-yuv = Test YUV encoding/decoding functions\n");
743 printf("-yuvpad <p> = If testing YUV encoding/decoding, this specifies the number of\n");
744 printf(" bytes to which each row of each plane in the intermediate YUV image is\n");
745 printf(" padded (default = 1)\n");
746 printf("-scale M/N = Scale down the width/height of the decompressed JPEG image by a\n");
747 printf(" factor of M/N (M/N = ");
748 for(i=0; i<nsf; i++)
749 {
750 printf("%d/%d", scalingfactors[i].num, scalingfactors[i].denom);
751 if(nsf==2 && i!=nsf-1) printf(" or ");
752 else if(nsf>2)
753 {
754 if(i!=nsf-1) printf(", ");
755 if(i==nsf-2) printf("or ");
756 }
757 if(i%8==0 && i!=0) printf("\n ");
758 }
759 printf(")\n");
760 printf("-hflip, -vflip, -transpose, -transverse, -rot90, -rot180, -rot270 =\n");
761 printf(" Perform the corresponding lossless transform prior to\n");
762 printf(" decompression (these options are mutually exclusive)\n");
763 printf("-grayscale = Perform lossless grayscale conversion prior to decompression\n");
764 printf(" test (can be combined with the other transforms above)\n");
765 printf("-benchtime <t> = Run each benchmark for at least <t> seconds (default = 5.0)\n");
766 printf("-warmup <w> = Execute each benchmark <w> times to prime the cache before\n");
767 printf(" taking performance measurements (default = 1)\n");
768 printf("-componly = Stop after running compression tests. Do not test decompression.\n");
769 printf("-nowrite = Do not write reference or output images (improves consistency of\n");
770 printf(" performance measurements.)\n\n");
771 printf("NOTE: If the quality is specified as a range (e.g. 90-100), a separate\n");
772 printf("test will be performed for all quality values in the range.\n\n");
773 exit(1);
774 }
775
776
main(int argc,char * argv[])777 int main(int argc, char *argv[])
778 {
779 unsigned char *srcbuf=NULL; int w=0, h=0, i, j;
780 int minqual=-1, maxqual=-1; char *temp;
781 int minarg=2, retval=0, subsamp=-1;
782
783 if((scalingfactors=tjGetScalingFactors(&nsf))==NULL || nsf==0)
784 _throwtj("executing tjGetScalingFactors()");
785
786 if(argc<minarg) usage(argv[0]);
787
788 temp=strrchr(argv[1], '.');
789 if(temp!=NULL)
790 {
791 if(!strcasecmp(temp, ".bmp")) ext="bmp";
792 if(!strcasecmp(temp, ".jpg") || !strcasecmp(temp, ".jpeg")) decomponly=1;
793 }
794
795 printf("\n");
796
797 if(!decomponly)
798 {
799 minarg=3;
800 if(argc<minarg) usage(argv[0]);
801 if((minqual=atoi(argv[2]))<1 || minqual>100)
802 {
803 puts("ERROR: Quality must be between 1 and 100.");
804 exit(1);
805 }
806 if((temp=strchr(argv[2], '-'))!=NULL && strlen(temp)>1
807 && sscanf(&temp[1], "%d", &maxqual)==1 && maxqual>minqual && maxqual>=1
808 && maxqual<=100) {}
809 else maxqual=minqual;
810 }
811
812 if(argc>minarg)
813 {
814 for(i=minarg; i<argc; i++)
815 {
816 if(!strcasecmp(argv[i], "-tile"))
817 {
818 dotile=1; xformopt|=TJXOPT_CROP;
819 }
820 if(!strcasecmp(argv[i], "-fastupsample"))
821 {
822 printf("Using fast upsampling code\n\n");
823 flags|=TJFLAG_FASTUPSAMPLE;
824 }
825 if(!strcasecmp(argv[i], "-fastdct"))
826 {
827 printf("Using fastest DCT/IDCT algorithm\n\n");
828 flags|=TJFLAG_FASTDCT;
829 }
830 if(!strcasecmp(argv[i], "-accuratedct"))
831 {
832 printf("Using most accurate DCT/IDCT algorithm\n\n");
833 flags|=TJFLAG_ACCURATEDCT;
834 }
835 if(!strcasecmp(argv[i], "-rgb")) pf=TJPF_RGB;
836 if(!strcasecmp(argv[i], "-rgbx")) pf=TJPF_RGBX;
837 if(!strcasecmp(argv[i], "-bgr")) pf=TJPF_BGR;
838 if(!strcasecmp(argv[i], "-bgrx")) pf=TJPF_BGRX;
839 if(!strcasecmp(argv[i], "-xbgr")) pf=TJPF_XBGR;
840 if(!strcasecmp(argv[i], "-xrgb")) pf=TJPF_XRGB;
841 if(!strcasecmp(argv[i], "-cmyk")) pf=TJPF_CMYK;
842 if(!strcasecmp(argv[i], "-bottomup")) flags|=TJFLAG_BOTTOMUP;
843 if(!strcasecmp(argv[i], "-quiet")) quiet=1;
844 if(!strcasecmp(argv[i], "-qq")) quiet=2;
845 if(!strcasecmp(argv[i], "-scale") && i<argc-1)
846 {
847 int temp1=0, temp2=0, match=0;
848 if(sscanf(argv[++i], "%d/%d", &temp1, &temp2)==2)
849 {
850 for(j=0; j<nsf; j++)
851 {
852 if((double)temp1/(double)temp2
853 == (double)scalingfactors[j].num/(double)scalingfactors[j].denom)
854 {
855 sf=scalingfactors[j];
856 match=1; break;
857 }
858 }
859 if(!match) usage(argv[0]);
860 }
861 else usage(argv[0]);
862 }
863 if(!strcasecmp(argv[i], "-hflip")) xformop=TJXOP_HFLIP;
864 if(!strcasecmp(argv[i], "-vflip")) xformop=TJXOP_VFLIP;
865 if(!strcasecmp(argv[i], "-transpose")) xformop=TJXOP_TRANSPOSE;
866 if(!strcasecmp(argv[i], "-transverse")) xformop=TJXOP_TRANSVERSE;
867 if(!strcasecmp(argv[i], "-rot90")) xformop=TJXOP_ROT90;
868 if(!strcasecmp(argv[i], "-rot180")) xformop=TJXOP_ROT180;
869 if(!strcasecmp(argv[i], "-rot270")) xformop=TJXOP_ROT270;
870 if(!strcasecmp(argv[i], "-grayscale")) xformopt|=TJXOPT_GRAY;
871 if(!strcasecmp(argv[i], "-custom")) customFilter=dummyDCTFilter;
872 if(!strcasecmp(argv[i], "-nooutput")) xformopt|=TJXOPT_NOOUTPUT;
873 if(!strcasecmp(argv[i], "-benchtime") && i<argc-1)
874 {
875 double temp=atof(argv[++i]);
876 if(temp>0.0) benchtime=temp;
877 else usage(argv[0]);
878 }
879 if(!strcasecmp(argv[i], "-warmup") && i<argc-1)
880 {
881 int temp=atoi(argv[++i]);
882 if(temp>=0)
883 {
884 warmup=temp;
885 printf("Warmup runs = %d\n\n", warmup);
886 }
887 else usage(argv[0]);
888 }
889 if(!strcmp(argv[i], "-?")) usage(argv[0]);
890 if(!strcasecmp(argv[i], "-alloc")) flags&=(~TJFLAG_NOREALLOC);
891 if(!strcasecmp(argv[i], "-bmp")) ext="bmp";
892 if(!strcasecmp(argv[i], "-yuv"))
893 {
894 printf("Testing YUV planar encoding/decoding\n\n");
895 doyuv=1;
896 }
897 if(!strcasecmp(argv[i], "-yuvpad") && i<argc-1)
898 {
899 int temp=atoi(argv[++i]);
900 if(temp>=1) yuvpad=temp;
901 }
902 if(!strcasecmp(argv[i], "-subsamp") && i<argc-1)
903 {
904 i++;
905 if(toupper(argv[i][0])=='G') subsamp=TJSAMP_GRAY;
906 else
907 {
908 int temp=atoi(argv[i]);
909 switch(temp)
910 {
911 case 444: subsamp=TJSAMP_444; break;
912 case 422: subsamp=TJSAMP_422; break;
913 case 440: subsamp=TJSAMP_440; break;
914 case 420: subsamp=TJSAMP_420; break;
915 case 411: subsamp=TJSAMP_411; break;
916 }
917 }
918 }
919 if(!strcasecmp(argv[i], "-componly")) componly=1;
920 if(!strcasecmp(argv[i], "-nowrite")) dowrite=0;
921 }
922 }
923
924 if((sf.num!=1 || sf.denom!=1) && dotile)
925 {
926 printf("Disabling tiled compression/decompression tests, because those tests do not\n");
927 printf("work when scaled decompression is enabled.\n");
928 dotile=0;
929 }
930
931 if((flags&TJFLAG_NOREALLOC)==0 && dotile)
932 {
933 printf("Disabling tiled compression/decompression tests, because those tests do not\n");
934 printf("work when dynamic JPEG buffer allocation is enabled.\n\n");
935 dotile=0;
936 }
937
938 if(!decomponly)
939 {
940 if(loadbmp(argv[1], &srcbuf, &w, &h, pf, (flags&TJFLAG_BOTTOMUP)!=0)==-1)
941 _throwbmp("loading bitmap");
942 temp=strrchr(argv[1], '.');
943 if(temp!=NULL) *temp='\0';
944 }
945
946 if(quiet==1 && !decomponly)
947 {
948 printf("All performance values in Mpixels/sec\n\n");
949 printf("Bitmap JPEG JPEG %s %s ",
950 dotile? "Tile ":"Image", dotile? "Tile ":"Image");
951 if(doyuv) printf("Encode ");
952 printf("Comp Comp Decomp ");
953 if(doyuv) printf("Decode");
954 printf("\n");
955 printf("Format Subsamp Qual Width Height ");
956 if(doyuv) printf("Perf ");
957 printf("Perf Ratio Perf ");
958 if(doyuv) printf("Perf");
959 printf("\n\n");
960 }
961
962 if(decomponly)
963 {
964 decompTest(argv[1]);
965 printf("\n");
966 goto bailout;
967 }
968 if(subsamp>=0 && subsamp<TJ_NUMSAMP)
969 {
970 for(i=maxqual; i>=minqual; i--)
971 fullTest(srcbuf, w, h, subsamp, i, argv[1]);
972 printf("\n");
973 }
974 else
975 {
976 if(pf!=TJPF_CMYK)
977 {
978 for(i=maxqual; i>=minqual; i--)
979 fullTest(srcbuf, w, h, TJSAMP_GRAY, i, argv[1]);
980 printf("\n");
981 }
982 for(i=maxqual; i>=minqual; i--)
983 fullTest(srcbuf, w, h, TJSAMP_420, i, argv[1]);
984 printf("\n");
985 for(i=maxqual; i>=minqual; i--)
986 fullTest(srcbuf, w, h, TJSAMP_422, i, argv[1]);
987 printf("\n");
988 for(i=maxqual; i>=minqual; i--)
989 fullTest(srcbuf, w, h, TJSAMP_444, i, argv[1]);
990 printf("\n");
991 }
992
993 bailout:
994 if(srcbuf) free(srcbuf);
995 return retval;
996 }
997