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; if(y<0) y=0;
252 dstbuf[rindex]=abs(dstbuf[rindex]-y);
253 dstbuf[gindex]=abs(dstbuf[gindex]-y);
254 dstbuf[bindex]=abs(dstbuf[bindex]-y);
255 }
256 }
257 }
258 else
259 {
260 for(row=0; row<h; row++)
261 for(col=0; col<w*ps; col++)
262 dstbuf[pitch*row+col]
263 =abs(dstbuf[pitch*row+col]-srcbuf[pitch*row+col]);
264 }
265 if(savebmp(tempstr, dstbuf, w, h, pf,
266 (flags&TJFLAG_BOTTOMUP)!=0)==-1)
267 _throwbmp("saving bitmap");
268 }
269
270 bailout:
271 if(file) fclose(file);
272 if(handle) tjDestroy(handle);
273 if(dstbuf && dstbufalloc) free(dstbuf);
274 if(yuvbuf) free(yuvbuf);
275 return retval;
276 }
277
278
fullTest(unsigned char * srcbuf,int w,int h,int subsamp,int jpegqual,char * filename)279 int fullTest(unsigned char *srcbuf, int w, int h, int subsamp, int jpegqual,
280 char *filename)
281 {
282 char tempstr[1024], tempstr2[80];
283 FILE *file=NULL; tjhandle handle=NULL;
284 unsigned char **jpegbuf=NULL, *yuvbuf=NULL, *tmpbuf=NULL, *srcptr, *srcptr2;
285 double start, elapsed, elapsedEncode;
286 int totaljpegsize=0, row, col, i, tilew=w, tileh=h, retval=0;
287 int iter, yuvsize=0;
288 unsigned long *jpegsize=NULL;
289 int ps=tjPixelSize[pf];
290 int ntilesw=1, ntilesh=1, pitch=w*ps;
291 const char *pfStr=pixFormatStr[pf];
292
293 if((tmpbuf=(unsigned char *)malloc(pitch*h)) == NULL)
294 _throwunix("allocating temporary image buffer");
295
296 if(!quiet)
297 printf(">>>>> %s (%s) <--> JPEG %s Q%d <<<<<\n", pfStr,
298 (flags&TJFLAG_BOTTOMUP)? "Bottom-up":"Top-down", subNameLong[subsamp],
299 jpegqual);
300
301 for(tilew=dotile? 8:w, tileh=dotile? 8:h; ; tilew*=2, tileh*=2)
302 {
303 if(tilew>w) tilew=w; if(tileh>h) tileh=h;
304 ntilesw=(w+tilew-1)/tilew; ntilesh=(h+tileh-1)/tileh;
305
306 if((jpegbuf=(unsigned char **)malloc(sizeof(unsigned char *)
307 *ntilesw*ntilesh))==NULL)
308 _throwunix("allocating JPEG tile array");
309 memset(jpegbuf, 0, sizeof(unsigned char *)*ntilesw*ntilesh);
310 if((jpegsize=(unsigned long *)malloc(sizeof(unsigned long)
311 *ntilesw*ntilesh))==NULL)
312 _throwunix("allocating JPEG size array");
313 memset(jpegsize, 0, sizeof(unsigned long)*ntilesw*ntilesh);
314
315 if((flags&TJFLAG_NOREALLOC)!=0)
316 for(i=0; i<ntilesw*ntilesh; i++)
317 {
318 if((jpegbuf[i]=(unsigned char *)tjAlloc(tjBufSize(tilew, tileh,
319 subsamp)))==NULL)
320 _throwunix("allocating JPEG tiles");
321 }
322
323 /* Compression test */
324 if(quiet==1)
325 printf("%-4s (%s) %-5s %-3d ", pfStr,
326 (flags&TJFLAG_BOTTOMUP)? "BU":"TD", subNameLong[subsamp], jpegqual);
327 for(i=0; i<h; i++)
328 memcpy(&tmpbuf[pitch*i], &srcbuf[w*ps*i], w*ps);
329 if((handle=tjInitCompress())==NULL)
330 _throwtj("executing tjInitCompress()");
331
332 if(doyuv)
333 {
334 yuvsize=tjBufSizeYUV2(tilew, yuvpad, tileh, subsamp);
335 if((yuvbuf=(unsigned char *)malloc(yuvsize))==NULL)
336 _throwunix("allocating YUV buffer");
337 memset(yuvbuf, 127, yuvsize);
338 }
339
340 /* Benchmark */
341 iter=-warmup;
342 elapsed=elapsedEncode=0.;
343 while(1)
344 {
345 int tile=0;
346 totaljpegsize=0;
347 start=gettime();
348 for(row=0, srcptr=srcbuf; row<ntilesh; row++, srcptr+=pitch*tileh)
349 {
350 for(col=0, srcptr2=srcptr; col<ntilesw; col++, tile++,
351 srcptr2+=ps*tilew)
352 {
353 int width=min(tilew, w-col*tilew);
354 int height=min(tileh, h-row*tileh);
355 if(doyuv)
356 {
357 double startEncode=gettime();
358 if(tjEncodeYUV3(handle, srcptr2, width, pitch, height, pf, yuvbuf,
359 yuvpad, subsamp, flags)==-1)
360 _throwtj("executing tjEncodeYUV3()");
361 if(iter>=0) elapsedEncode+=gettime()-startEncode;
362 if(tjCompressFromYUV(handle, yuvbuf, width, yuvpad, height,
363 subsamp, &jpegbuf[tile], &jpegsize[tile], jpegqual, flags)==-1)
364 _throwtj("executing tjCompressFromYUV()");
365 }
366 else
367 {
368 if(tjCompress2(handle, srcptr2, width, pitch, height, pf,
369 &jpegbuf[tile], &jpegsize[tile], subsamp, jpegqual, flags)==-1)
370 _throwtj("executing tjCompress2()");
371 }
372 totaljpegsize+=jpegsize[tile];
373 }
374 }
375 iter++;
376 if(iter>=1)
377 {
378 elapsed+=gettime()-start;
379 if(elapsed>=benchtime) break;
380 }
381 }
382 if(doyuv) elapsed-=elapsedEncode;
383
384 if(tjDestroy(handle)==-1) _throwtj("executing tjDestroy()");
385 handle=NULL;
386
387 if(quiet==1) printf("%-5d %-5d ", tilew, tileh);
388 if(quiet)
389 {
390 if(doyuv)
391 printf("%-6s%s",
392 sigfig((double)(w*h)/1000000.*(double)iter/elapsedEncode, 4, tempstr,
393 1024), quiet==2? "\n":" ");
394 printf("%-6s%s",
395 sigfig((double)(w*h)/1000000.*(double)iter/elapsed, 4, tempstr, 1024),
396 quiet==2? "\n":" ");
397 printf("%-6s%s",
398 sigfig((double)(w*h*ps)/(double)totaljpegsize, 4, tempstr2, 80),
399 quiet==2? "\n":" ");
400 }
401 else
402 {
403 printf("\n%s size: %d x %d\n", dotile? "Tile":"Image", tilew,
404 tileh);
405 if(doyuv)
406 {
407 printf("Encode YUV --> Frame rate: %f fps\n",
408 (double)iter/elapsedEncode);
409 printf(" Output image size: %d bytes\n", yuvsize);
410 printf(" Compression ratio: %f:1\n",
411 (double)(w*h*ps)/(double)yuvsize);
412 printf(" Throughput: %f Megapixels/sec\n",
413 (double)(w*h)/1000000.*(double)iter/elapsedEncode);
414 printf(" Output bit stream: %f Megabits/sec\n",
415 (double)yuvsize*8./1000000.*(double)iter/elapsedEncode);
416 }
417 printf("%s --> Frame rate: %f fps\n",
418 doyuv? "Comp from YUV":"Compress ", (double)iter/elapsed);
419 printf(" Output image size: %d bytes\n",
420 totaljpegsize);
421 printf(" Compression ratio: %f:1\n",
422 (double)(w*h*ps)/(double)totaljpegsize);
423 printf(" Throughput: %f Megapixels/sec\n",
424 (double)(w*h)/1000000.*(double)iter/elapsed);
425 printf(" Output bit stream: %f Megabits/sec\n",
426 (double)totaljpegsize*8./1000000.*(double)iter/elapsed);
427 }
428 if(tilew==w && tileh==h && dowrite)
429 {
430 snprintf(tempstr, 1024, "%s_%s_Q%d.jpg", filename, subName[subsamp],
431 jpegqual);
432 if((file=fopen(tempstr, "wb"))==NULL)
433 _throwunix("opening reference image");
434 if(fwrite(jpegbuf[0], jpegsize[0], 1, file)!=1)
435 _throwunix("writing reference image");
436 fclose(file); file=NULL;
437 if(!quiet) printf("Reference image written to %s\n", tempstr);
438 }
439
440 /* Decompression test */
441 if(!componly)
442 {
443 if(decomp(srcbuf, jpegbuf, jpegsize, tmpbuf, w, h, subsamp, jpegqual,
444 filename, tilew, tileh)==-1)
445 goto bailout;
446 }
447
448 for(i=0; i<ntilesw*ntilesh; i++)
449 {
450 if(jpegbuf[i]) tjFree(jpegbuf[i]); jpegbuf[i]=NULL;
451 }
452 free(jpegbuf); jpegbuf=NULL;
453 free(jpegsize); jpegsize=NULL;
454 if(doyuv)
455 {
456 free(yuvbuf); yuvbuf=NULL;
457 }
458
459 if(tilew==w && tileh==h) break;
460 }
461
462 bailout:
463 if(file) {fclose(file); file=NULL;}
464 if(jpegbuf)
465 {
466 for(i=0; i<ntilesw*ntilesh; i++)
467 {
468 if(jpegbuf[i]) tjFree(jpegbuf[i]); jpegbuf[i]=NULL;
469 }
470 free(jpegbuf); jpegbuf=NULL;
471 }
472 if(yuvbuf) {free(yuvbuf); yuvbuf=NULL;}
473 if(jpegsize) {free(jpegsize); jpegsize=NULL;}
474 if(tmpbuf) {free(tmpbuf); tmpbuf=NULL;}
475 if(handle) {tjDestroy(handle); handle=NULL;}
476 return retval;
477 }
478
479
decompTest(char * filename)480 int decompTest(char *filename)
481 {
482 FILE *file=NULL; tjhandle handle=NULL;
483 unsigned char **jpegbuf=NULL, *srcbuf=NULL;
484 unsigned long *jpegsize=NULL, srcsize, totaljpegsize;
485 tjtransform *t=NULL;
486 int w=0, h=0, subsamp=-1, cs=-1, _w, _h, _tilew, _tileh,
487 _ntilesw, _ntilesh, _subsamp;
488 char *temp=NULL, tempstr[80], tempstr2[80];
489 int row, col, i, iter, tilew, tileh, ntilesw=1, ntilesh=1, retval=0;
490 double start, elapsed;
491 int ps=tjPixelSize[pf], tile;
492
493 if((file=fopen(filename, "rb"))==NULL)
494 _throwunix("opening file");
495 if(fseek(file, 0, SEEK_END)<0 || (srcsize=ftell(file))==(unsigned long)-1)
496 _throwunix("determining file size");
497 if((srcbuf=(unsigned char *)malloc(srcsize))==NULL)
498 _throwunix("allocating memory");
499 if(fseek(file, 0, SEEK_SET)<0)
500 _throwunix("setting file position");
501 if(fread(srcbuf, srcsize, 1, file)<1)
502 _throwunix("reading JPEG data");
503 fclose(file); file=NULL;
504
505 temp=strrchr(filename, '.');
506 if(temp!=NULL) *temp='\0';
507
508 if((handle=tjInitTransform())==NULL)
509 _throwtj("executing tjInitTransform()");
510 if(tjDecompressHeader3(handle, srcbuf, srcsize, &w, &h, &subsamp, &cs)==-1)
511 _throwtj("executing tjDecompressHeader3()");
512 if(cs==TJCS_YCCK || cs==TJCS_CMYK)
513 {
514 pf=TJPF_CMYK; ps=tjPixelSize[pf];
515 }
516
517 if(quiet==1)
518 {
519 printf("All performance values in Mpixels/sec\n\n");
520 printf("Bitmap JPEG JPEG %s %s Xform Comp Decomp ",
521 dotile? "Tile ":"Image", dotile? "Tile ":"Image");
522 if(doyuv) printf("Decode");
523 printf("\n");
524 printf("Format CS Subsamp Width Height Perf Ratio Perf ");
525 if(doyuv) printf("Perf");
526 printf("\n\n");
527 }
528 else if(!quiet)
529 printf(">>>>> JPEG %s --> %s (%s) <<<<<\n",
530 formatName(subsamp, cs, tempstr), pixFormatStr[pf],
531 (flags&TJFLAG_BOTTOMUP)? "Bottom-up":"Top-down");
532
533 for(tilew=dotile? 16:w, tileh=dotile? 16:h; ; tilew*=2, tileh*=2)
534 {
535 if(tilew>w) tilew=w; if(tileh>h) tileh=h;
536 ntilesw=(w+tilew-1)/tilew; ntilesh=(h+tileh-1)/tileh;
537
538 if((jpegbuf=(unsigned char **)malloc(sizeof(unsigned char *)
539 *ntilesw*ntilesh))==NULL)
540 _throwunix("allocating JPEG tile array");
541 memset(jpegbuf, 0, sizeof(unsigned char *)*ntilesw*ntilesh);
542 if((jpegsize=(unsigned long *)malloc(sizeof(unsigned long)
543 *ntilesw*ntilesh))==NULL)
544 _throwunix("allocating JPEG size array");
545 memset(jpegsize, 0, sizeof(unsigned long)*ntilesw*ntilesh);
546
547 if((flags&TJFLAG_NOREALLOC)!=0 || !dotile)
548 for(i=0; i<ntilesw*ntilesh; i++)
549 {
550 if((jpegbuf[i]=(unsigned char *)tjAlloc(tjBufSize(tilew, tileh,
551 subsamp)))==NULL)
552 _throwunix("allocating JPEG tiles");
553 }
554
555 _w=w; _h=h; _tilew=tilew; _tileh=tileh;
556 if(!quiet)
557 {
558 printf("\n%s size: %d x %d", dotile? "Tile":"Image", _tilew,
559 _tileh);
560 if(sf.num!=1 || sf.denom!=1)
561 printf(" --> %d x %d", TJSCALED(_w, sf), TJSCALED(_h, sf));
562 printf("\n");
563 }
564 else if(quiet==1)
565 {
566 printf("%-4s (%s) %-5s %-5s ", pixFormatStr[pf],
567 (flags&TJFLAG_BOTTOMUP)? "BU":"TD", csName[cs], subNameLong[subsamp]);
568 printf("%-5d %-5d ", tilew, tileh);
569 }
570
571 _subsamp=subsamp;
572 if(dotile || xformop!=TJXOP_NONE || xformopt!=0 || customFilter)
573 {
574 if((t=(tjtransform *)malloc(sizeof(tjtransform)*ntilesw*ntilesh))
575 ==NULL)
576 _throwunix("allocating image transform array");
577
578 if(xformop==TJXOP_TRANSPOSE || xformop==TJXOP_TRANSVERSE
579 || xformop==TJXOP_ROT90 || xformop==TJXOP_ROT270)
580 {
581 _w=h; _h=w; _tilew=tileh; _tileh=tilew;
582 }
583
584 if(xformopt&TJXOPT_GRAY) _subsamp=TJ_GRAYSCALE;
585 if(xformop==TJXOP_HFLIP || xformop==TJXOP_ROT180)
586 _w=_w-(_w%tjMCUWidth[_subsamp]);
587 if(xformop==TJXOP_VFLIP || xformop==TJXOP_ROT180)
588 _h=_h-(_h%tjMCUHeight[_subsamp]);
589 if(xformop==TJXOP_TRANSVERSE || xformop==TJXOP_ROT90)
590 _w=_w-(_w%tjMCUHeight[_subsamp]);
591 if(xformop==TJXOP_TRANSVERSE || xformop==TJXOP_ROT270)
592 _h=_h-(_h%tjMCUWidth[_subsamp]);
593 _ntilesw=(_w+_tilew-1)/_tilew;
594 _ntilesh=(_h+_tileh-1)/_tileh;
595
596 if(xformop==TJXOP_TRANSPOSE || xformop==TJXOP_TRANSVERSE
597 || xformop==TJXOP_ROT90 || xformop==TJXOP_ROT270)
598 {
599 if(_subsamp==TJSAMP_422) _subsamp=TJSAMP_440;
600 else if(_subsamp==TJSAMP_440) _subsamp=TJSAMP_422;
601 }
602
603 for(row=0, tile=0; row<_ntilesh; row++)
604 {
605 for(col=0; col<_ntilesw; col++, tile++)
606 {
607 t[tile].r.w=min(_tilew, _w-col*_tilew);
608 t[tile].r.h=min(_tileh, _h-row*_tileh);
609 t[tile].r.x=col*_tilew;
610 t[tile].r.y=row*_tileh;
611 t[tile].op=xformop;
612 t[tile].options=xformopt|TJXOPT_TRIM;
613 t[tile].customFilter=customFilter;
614 if(t[tile].options&TJXOPT_NOOUTPUT && jpegbuf[tile])
615 {
616 tjFree(jpegbuf[tile]); jpegbuf[tile]=NULL;
617 }
618 }
619 }
620
621 iter=-warmup;
622 elapsed=0.;
623 while(1)
624 {
625 start=gettime();
626 if(tjTransform(handle, srcbuf, srcsize, _ntilesw*_ntilesh, jpegbuf,
627 jpegsize, t, flags)==-1)
628 _throwtj("executing tjTransform()");
629 iter++;
630 if(iter>=1)
631 {
632 elapsed+=gettime()-start;
633 if(elapsed>=benchtime) break;
634 }
635 }
636
637 free(t); t=NULL;
638
639 for(tile=0, totaljpegsize=0; tile<_ntilesw*_ntilesh; tile++)
640 totaljpegsize+=jpegsize[tile];
641
642 if(quiet)
643 {
644 printf("%-6s%s%-6s%s",
645 sigfig((double)(w*h)/1000000./elapsed, 4, tempstr, 80),
646 quiet==2? "\n":" ",
647 sigfig((double)(w*h*ps)/(double)totaljpegsize, 4, tempstr2, 80),
648 quiet==2? "\n":" ");
649 }
650 else if(!quiet)
651 {
652 printf("Transform --> Frame rate: %f fps\n", 1.0/elapsed);
653 printf(" Output image size: %lu bytes\n", totaljpegsize);
654 printf(" Compression ratio: %f:1\n",
655 (double)(w*h*ps)/(double)totaljpegsize);
656 printf(" Throughput: %f Megapixels/sec\n",
657 (double)(w*h)/1000000./elapsed);
658 printf(" Output bit stream: %f Megabits/sec\n",
659 (double)totaljpegsize*8./1000000./elapsed);
660 }
661 }
662 else
663 {
664 if(quiet==1) printf("N/A N/A ");
665 jpegsize[0]=srcsize;
666 memcpy(jpegbuf[0], srcbuf, srcsize);
667 }
668
669 if(w==tilew) _tilew=_w;
670 if(h==tileh) _tileh=_h;
671 if(!(xformopt&TJXOPT_NOOUTPUT))
672 {
673 if(decomp(NULL, jpegbuf, jpegsize, NULL, _w, _h, _subsamp, 0,
674 filename, _tilew, _tileh)==-1)
675 goto bailout;
676 }
677 else if(quiet==1) printf("N/A\n");
678
679 for(i=0; i<ntilesw*ntilesh; i++)
680 {
681 tjFree(jpegbuf[i]); jpegbuf[i]=NULL;
682 }
683 free(jpegbuf); jpegbuf=NULL;
684 if(jpegsize) {free(jpegsize); jpegsize=NULL;}
685
686 if(tilew==w && tileh==h) break;
687 }
688
689 bailout:
690 if(file) {fclose(file); file=NULL;}
691 if(jpegbuf)
692 {
693 for(i=0; i<ntilesw*ntilesh; i++)
694 {
695 if(jpegbuf[i]) tjFree(jpegbuf[i]); jpegbuf[i]=NULL;
696 }
697 free(jpegbuf); jpegbuf=NULL;
698 }
699 if(jpegsize) {free(jpegsize); jpegsize=NULL;}
700 if(srcbuf) {free(srcbuf); srcbuf=NULL;}
701 if(t) {free(t); t=NULL;}
702 if(handle) {tjDestroy(handle); handle=NULL;}
703 return retval;
704 }
705
706
usage(char * progname)707 void usage(char *progname)
708 {
709 int i;
710 printf("USAGE: %s\n", progname);
711 printf(" <Inputfile (BMP|PPM)> <Quality> [options]\n\n");
712 printf(" %s\n", progname);
713 printf(" <Inputfile (JPG)> [options]\n\n");
714 printf("Options:\n\n");
715 printf("-alloc = Dynamically allocate JPEG image buffers\n");
716 printf("-bmp = Generate output images in Windows Bitmap format (default = PPM)\n");
717 printf("-bottomup = Test bottom-up compression/decompression\n");
718 printf("-tile = Test performance of the codec when the image is encoded as separate\n");
719 printf(" tiles of varying sizes.\n");
720 printf("-rgb, -bgr, -rgbx, -bgrx, -xbgr, -xrgb =\n");
721 printf(" Test the specified color conversion path in the codec (default = BGR)\n");
722 printf("-cmyk = Indirectly test YCCK JPEG compression/decompression (the source\n");
723 printf(" and destination bitmaps are still RGB. The conversion is done\n");
724 printf(" internally prior to compression or after decompression.)\n");
725 printf("-fastupsample = Use the fastest chrominance upsampling algorithm available in\n");
726 printf(" the underlying codec\n");
727 printf("-fastdct = Use the fastest DCT/IDCT algorithms available in the underlying\n");
728 printf(" codec\n");
729 printf("-accuratedct = Use the most accurate DCT/IDCT algorithms available in the\n");
730 printf(" underlying codec\n");
731 printf("-subsamp <s> = When testing JPEG compression, this option specifies the level\n");
732 printf(" of chrominance subsampling to use (<s> = 444, 422, 440, 420, 411, or\n");
733 printf(" GRAY). The default is to test Grayscale, 4:2:0, 4:2:2, and 4:4:4 in\n");
734 printf(" sequence.\n");
735 printf("-quiet = Output results in tabular rather than verbose format\n");
736 printf("-yuv = Test YUV encoding/decoding functions\n");
737 printf("-yuvpad <p> = If testing YUV encoding/decoding, this specifies the number of\n");
738 printf(" bytes to which each row of each plane in the intermediate YUV image is\n");
739 printf(" padded (default = 1)\n");
740 printf("-scale M/N = Scale down the width/height of the decompressed JPEG image by a\n");
741 printf(" factor of M/N (M/N = ");
742 for(i=0; i<nsf; i++)
743 {
744 printf("%d/%d", scalingfactors[i].num, scalingfactors[i].denom);
745 if(nsf==2 && i!=nsf-1) printf(" or ");
746 else if(nsf>2)
747 {
748 if(i!=nsf-1) printf(", ");
749 if(i==nsf-2) printf("or ");
750 }
751 if(i%8==0 && i!=0) printf("\n ");
752 }
753 printf(")\n");
754 printf("-hflip, -vflip, -transpose, -transverse, -rot90, -rot180, -rot270 =\n");
755 printf(" Perform the corresponding lossless transform prior to\n");
756 printf(" decompression (these options are mutually exclusive)\n");
757 printf("-grayscale = Perform lossless grayscale conversion prior to decompression\n");
758 printf(" test (can be combined with the other transforms above)\n");
759 printf("-benchtime <t> = Run each benchmark for at least <t> seconds (default = 5.0)\n");
760 printf("-warmup <w> = Execute each benchmark <w> times to prime the cache before\n");
761 printf(" taking performance measurements (default = 1)\n");
762 printf("-componly = Stop after running compression tests. Do not test decompression.\n");
763 printf("-nowrite = Do not write reference or output images (improves consistency of\n");
764 printf(" performance measurements.)\n\n");
765 printf("NOTE: If the quality is specified as a range (e.g. 90-100), a separate\n");
766 printf("test will be performed for all quality values in the range.\n\n");
767 exit(1);
768 }
769
770
main(int argc,char * argv[])771 int main(int argc, char *argv[])
772 {
773 unsigned char *srcbuf=NULL; int w=0, h=0, i, j;
774 int minqual=-1, maxqual=-1; char *temp;
775 int minarg=2, retval=0, subsamp=-1;
776
777 if((scalingfactors=tjGetScalingFactors(&nsf))==NULL || nsf==0)
778 _throwtj("executing tjGetScalingFactors()");
779
780 if(argc<minarg) usage(argv[0]);
781
782 temp=strrchr(argv[1], '.');
783 if(temp!=NULL)
784 {
785 if(!strcasecmp(temp, ".bmp")) ext="bmp";
786 if(!strcasecmp(temp, ".jpg") || !strcasecmp(temp, ".jpeg")) decomponly=1;
787 }
788
789 printf("\n");
790
791 if(!decomponly)
792 {
793 minarg=3;
794 if(argc<minarg) usage(argv[0]);
795 if((minqual=atoi(argv[2]))<1 || minqual>100)
796 {
797 puts("ERROR: Quality must be between 1 and 100.");
798 exit(1);
799 }
800 if((temp=strchr(argv[2], '-'))!=NULL && strlen(temp)>1
801 && sscanf(&temp[1], "%d", &maxqual)==1 && maxqual>minqual && maxqual>=1
802 && maxqual<=100) {}
803 else maxqual=minqual;
804 }
805
806 if(argc>minarg)
807 {
808 for(i=minarg; i<argc; i++)
809 {
810 if(!strcasecmp(argv[i], "-tile"))
811 {
812 dotile=1; xformopt|=TJXOPT_CROP;
813 }
814 if(!strcasecmp(argv[i], "-fastupsample"))
815 {
816 printf("Using fast upsampling code\n\n");
817 flags|=TJFLAG_FASTUPSAMPLE;
818 }
819 if(!strcasecmp(argv[i], "-fastdct"))
820 {
821 printf("Using fastest DCT/IDCT algorithm\n\n");
822 flags|=TJFLAG_FASTDCT;
823 }
824 if(!strcasecmp(argv[i], "-accuratedct"))
825 {
826 printf("Using most accurate DCT/IDCT algorithm\n\n");
827 flags|=TJFLAG_ACCURATEDCT;
828 }
829 if(!strcasecmp(argv[i], "-rgb")) pf=TJPF_RGB;
830 if(!strcasecmp(argv[i], "-rgbx")) pf=TJPF_RGBX;
831 if(!strcasecmp(argv[i], "-bgr")) pf=TJPF_BGR;
832 if(!strcasecmp(argv[i], "-bgrx")) pf=TJPF_BGRX;
833 if(!strcasecmp(argv[i], "-xbgr")) pf=TJPF_XBGR;
834 if(!strcasecmp(argv[i], "-xrgb")) pf=TJPF_XRGB;
835 if(!strcasecmp(argv[i], "-cmyk")) pf=TJPF_CMYK;
836 if(!strcasecmp(argv[i], "-bottomup")) flags|=TJFLAG_BOTTOMUP;
837 if(!strcasecmp(argv[i], "-quiet")) quiet=1;
838 if(!strcasecmp(argv[i], "-qq")) quiet=2;
839 if(!strcasecmp(argv[i], "-scale") && i<argc-1)
840 {
841 int temp1=0, temp2=0, match=0;
842 if(sscanf(argv[++i], "%d/%d", &temp1, &temp2)==2)
843 {
844 for(j=0; j<nsf; j++)
845 {
846 if((double)temp1/(double)temp2
847 == (double)scalingfactors[j].num/(double)scalingfactors[j].denom)
848 {
849 sf=scalingfactors[j];
850 match=1; break;
851 }
852 }
853 if(!match) usage(argv[0]);
854 }
855 else usage(argv[0]);
856 }
857 if(!strcasecmp(argv[i], "-hflip")) xformop=TJXOP_HFLIP;
858 if(!strcasecmp(argv[i], "-vflip")) xformop=TJXOP_VFLIP;
859 if(!strcasecmp(argv[i], "-transpose")) xformop=TJXOP_TRANSPOSE;
860 if(!strcasecmp(argv[i], "-transverse")) xformop=TJXOP_TRANSVERSE;
861 if(!strcasecmp(argv[i], "-rot90")) xformop=TJXOP_ROT90;
862 if(!strcasecmp(argv[i], "-rot180")) xformop=TJXOP_ROT180;
863 if(!strcasecmp(argv[i], "-rot270")) xformop=TJXOP_ROT270;
864 if(!strcasecmp(argv[i], "-grayscale")) xformopt|=TJXOPT_GRAY;
865 if(!strcasecmp(argv[i], "-custom")) customFilter=dummyDCTFilter;
866 if(!strcasecmp(argv[i], "-nooutput")) xformopt|=TJXOPT_NOOUTPUT;
867 if(!strcasecmp(argv[i], "-benchtime") && i<argc-1)
868 {
869 double temp=atof(argv[++i]);
870 if(temp>0.0) benchtime=temp;
871 else usage(argv[0]);
872 }
873 if(!strcasecmp(argv[i], "-warmup") && i<argc-1)
874 {
875 int temp=atoi(argv[++i]);
876 if(temp>=0)
877 {
878 warmup=temp;
879 printf("Warmup runs = %d\n\n", warmup);
880 }
881 else usage(argv[0]);
882 }
883 if(!strcmp(argv[i], "-?")) usage(argv[0]);
884 if(!strcasecmp(argv[i], "-alloc")) flags&=(~TJFLAG_NOREALLOC);
885 if(!strcasecmp(argv[i], "-bmp")) ext="bmp";
886 if(!strcasecmp(argv[i], "-yuv"))
887 {
888 printf("Testing YUV planar encoding/decoding\n\n");
889 doyuv=1;
890 }
891 if(!strcasecmp(argv[i], "-yuvpad") && i<argc-1)
892 {
893 int temp=atoi(argv[++i]);
894 if(temp>=1) yuvpad=temp;
895 }
896 if(!strcasecmp(argv[i], "-subsamp") && i<argc-1)
897 {
898 i++;
899 if(toupper(argv[i][0])=='G') subsamp=TJSAMP_GRAY;
900 else
901 {
902 int temp=atoi(argv[i]);
903 switch(temp)
904 {
905 case 444: subsamp=TJSAMP_444; break;
906 case 422: subsamp=TJSAMP_422; break;
907 case 440: subsamp=TJSAMP_440; break;
908 case 420: subsamp=TJSAMP_420; break;
909 case 411: subsamp=TJSAMP_411; break;
910 }
911 }
912 }
913 if(!strcasecmp(argv[i], "-componly")) componly=1;
914 if(!strcasecmp(argv[i], "-nowrite")) dowrite=0;
915 }
916 }
917
918 if((sf.num!=1 || sf.denom!=1) && dotile)
919 {
920 printf("Disabling tiled compression/decompression tests, because those tests do not\n");
921 printf("work when scaled decompression is enabled.\n");
922 dotile=0;
923 }
924
925 if((flags&TJFLAG_NOREALLOC)==0 && dotile)
926 {
927 printf("Disabling tiled compression/decompression tests, because those tests do not\n");
928 printf("work when dynamic JPEG buffer allocation is enabled.\n\n");
929 dotile=0;
930 }
931
932 if(!decomponly)
933 {
934 if(loadbmp(argv[1], &srcbuf, &w, &h, pf, (flags&TJFLAG_BOTTOMUP)!=0)==-1)
935 _throwbmp("loading bitmap");
936 temp=strrchr(argv[1], '.');
937 if(temp!=NULL) *temp='\0';
938 }
939
940 if(quiet==1 && !decomponly)
941 {
942 printf("All performance values in Mpixels/sec\n\n");
943 printf("Bitmap JPEG JPEG %s %s ",
944 dotile? "Tile ":"Image", dotile? "Tile ":"Image");
945 if(doyuv) printf("Encode ");
946 printf("Comp Comp Decomp ");
947 if(doyuv) printf("Decode");
948 printf("\n");
949 printf("Format Subsamp Qual Width Height ");
950 if(doyuv) printf("Perf ");
951 printf("Perf Ratio Perf ");
952 if(doyuv) printf("Perf");
953 printf("\n\n");
954 }
955
956 if(decomponly)
957 {
958 decompTest(argv[1]);
959 printf("\n");
960 goto bailout;
961 }
962 if(subsamp>=0 && subsamp<TJ_NUMSAMP)
963 {
964 for(i=maxqual; i>=minqual; i--)
965 fullTest(srcbuf, w, h, subsamp, i, argv[1]);
966 printf("\n");
967 }
968 else
969 {
970 if(pf!=TJPF_CMYK)
971 {
972 for(i=maxqual; i>=minqual; i--)
973 fullTest(srcbuf, w, h, TJSAMP_GRAY, i, argv[1]);
974 printf("\n");
975 }
976 for(i=maxqual; i>=minqual; i--)
977 fullTest(srcbuf, w, h, TJSAMP_420, i, argv[1]);
978 printf("\n");
979 for(i=maxqual; i>=minqual; i--)
980 fullTest(srcbuf, w, h, TJSAMP_422, i, argv[1]);
981 printf("\n");
982 for(i=maxqual; i>=minqual; i--)
983 fullTest(srcbuf, w, h, TJSAMP_444, i, argv[1]);
984 printf("\n");
985 }
986
987 bailout:
988 if(srcbuf) free(srcbuf);
989 return retval;
990 }
991