1 /*
2 * Copyright (C)2009-2015 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;
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 if(sf.num!=1 || sf.denom!=1)
217 snprintf(sizestr, 20, "%d_%d", sf.num, sf.denom);
218 else if(tilew!=w || tileh!=h)
219 snprintf(sizestr, 20, "%dx%d", tilew, tileh);
220 else snprintf(sizestr, 20, "full");
221 if(decomponly)
222 snprintf(tempstr, 1024, "%s_%s.%s", filename, sizestr, ext);
223 else
224 snprintf(tempstr, 1024, "%s_%s%s_%s.%s", filename, subName[subsamp],
225 qualstr, sizestr, ext);
226
227 if(savebmp(tempstr, dstbuf, scaledw, scaledh, pf,
228 (flags&TJFLAG_BOTTOMUP)!=0)==-1)
229 _throwbmp("saving bitmap");
230 ptr=strrchr(tempstr, '.');
231 snprintf(ptr, 1024-(ptr-tempstr), "-err.%s", ext);
232 if(srcbuf && sf.num==1 && sf.denom==1)
233 {
234 if(!quiet) printf("Compression error written to %s.\n", tempstr);
235 if(subsamp==TJ_GRAYSCALE)
236 {
237 int index, index2;
238 for(row=0, index=0; row<h; row++, index+=pitch)
239 {
240 for(col=0, index2=index; col<w; col++, index2+=ps)
241 {
242 int rindex=index2+tjRedOffset[pf];
243 int gindex=index2+tjGreenOffset[pf];
244 int bindex=index2+tjBlueOffset[pf];
245 int y=(int)((double)srcbuf[rindex]*0.299
246 + (double)srcbuf[gindex]*0.587
247 + (double)srcbuf[bindex]*0.114 + 0.5);
248 if(y>255) y=255; if(y<0) y=0;
249 dstbuf[rindex]=abs(dstbuf[rindex]-y);
250 dstbuf[gindex]=abs(dstbuf[gindex]-y);
251 dstbuf[bindex]=abs(dstbuf[bindex]-y);
252 }
253 }
254 }
255 else
256 {
257 for(row=0; row<h; row++)
258 for(col=0; col<w*ps; col++)
259 dstbuf[pitch*row+col]
260 =abs(dstbuf[pitch*row+col]-srcbuf[pitch*row+col]);
261 }
262 if(savebmp(tempstr, dstbuf, w, h, pf,
263 (flags&TJFLAG_BOTTOMUP)!=0)==-1)
264 _throwbmp("saving bitmap");
265 }
266
267 bailout:
268 if(file) fclose(file);
269 if(handle) tjDestroy(handle);
270 if(dstbuf && dstbufalloc) free(dstbuf);
271 if(yuvbuf) free(yuvbuf);
272 return retval;
273 }
274
275
fullTest(unsigned char * srcbuf,int w,int h,int subsamp,int jpegqual,char * filename)276 int fullTest(unsigned char *srcbuf, int w, int h, int subsamp, int jpegqual,
277 char *filename)
278 {
279 char tempstr[1024], tempstr2[80];
280 FILE *file=NULL; tjhandle handle=NULL;
281 unsigned char **jpegbuf=NULL, *yuvbuf=NULL, *tmpbuf=NULL, *srcptr, *srcptr2;
282 double start, elapsed, elapsedEncode;
283 int totaljpegsize=0, row, col, i, tilew=w, tileh=h, retval=0;
284 int iter, yuvsize=0;
285 unsigned long *jpegsize=NULL;
286 int ps=tjPixelSize[pf];
287 int ntilesw=1, ntilesh=1, pitch=w*ps;
288 const char *pfStr=pixFormatStr[pf];
289
290 if((tmpbuf=(unsigned char *)malloc(pitch*h)) == NULL)
291 _throwunix("allocating temporary image buffer");
292
293 if(!quiet)
294 printf(">>>>> %s (%s) <--> JPEG %s Q%d <<<<<\n", pfStr,
295 (flags&TJFLAG_BOTTOMUP)? "Bottom-up":"Top-down", subNameLong[subsamp],
296 jpegqual);
297
298 for(tilew=dotile? 8:w, tileh=dotile? 8:h; ; tilew*=2, tileh*=2)
299 {
300 if(tilew>w) tilew=w; if(tileh>h) tileh=h;
301 ntilesw=(w+tilew-1)/tilew; ntilesh=(h+tileh-1)/tileh;
302
303 if((jpegbuf=(unsigned char **)malloc(sizeof(unsigned char *)
304 *ntilesw*ntilesh))==NULL)
305 _throwunix("allocating JPEG tile array");
306 memset(jpegbuf, 0, sizeof(unsigned char *)*ntilesw*ntilesh);
307 if((jpegsize=(unsigned long *)malloc(sizeof(unsigned long)
308 *ntilesw*ntilesh))==NULL)
309 _throwunix("allocating JPEG size array");
310 memset(jpegsize, 0, sizeof(unsigned long)*ntilesw*ntilesh);
311
312 if((flags&TJFLAG_NOREALLOC)!=0)
313 for(i=0; i<ntilesw*ntilesh; i++)
314 {
315 if((jpegbuf[i]=(unsigned char *)tjAlloc(tjBufSize(tilew, tileh,
316 subsamp)))==NULL)
317 _throwunix("allocating JPEG tiles");
318 }
319
320 /* Compression test */
321 if(quiet==1)
322 printf("%-4s (%s) %-5s %-3d ", pfStr,
323 (flags&TJFLAG_BOTTOMUP)? "BU":"TD", subNameLong[subsamp], jpegqual);
324 for(i=0; i<h; i++)
325 memcpy(&tmpbuf[pitch*i], &srcbuf[w*ps*i], w*ps);
326 if((handle=tjInitCompress())==NULL)
327 _throwtj("executing tjInitCompress()");
328
329 if(doyuv)
330 {
331 yuvsize=tjBufSizeYUV2(tilew, yuvpad, tileh, subsamp);
332 if((yuvbuf=(unsigned char *)malloc(yuvsize))==NULL)
333 _throwunix("allocating YUV buffer");
334 memset(yuvbuf, 127, yuvsize);
335 }
336
337 /* Benchmark */
338 iter=-warmup;
339 elapsed=elapsedEncode=0.;
340 while(1)
341 {
342 int tile=0;
343 totaljpegsize=0;
344 start=gettime();
345 for(row=0, srcptr=srcbuf; row<ntilesh; row++, srcptr+=pitch*tileh)
346 {
347 for(col=0, srcptr2=srcptr; col<ntilesw; col++, tile++,
348 srcptr2+=ps*tilew)
349 {
350 int width=min(tilew, w-col*tilew);
351 int height=min(tileh, h-row*tileh);
352 if(doyuv)
353 {
354 double startEncode=gettime();
355 if(tjEncodeYUV3(handle, srcptr2, width, pitch, height, pf, yuvbuf,
356 yuvpad, subsamp, flags)==-1)
357 _throwtj("executing tjEncodeYUV3()");
358 if(iter>=0) elapsedEncode+=gettime()-startEncode;
359 if(tjCompressFromYUV(handle, yuvbuf, width, yuvpad, height,
360 subsamp, &jpegbuf[tile], &jpegsize[tile], jpegqual, flags)==-1)
361 _throwtj("executing tjCompressFromYUV()");
362 }
363 else
364 {
365 if(tjCompress2(handle, srcptr2, width, pitch, height, pf,
366 &jpegbuf[tile], &jpegsize[tile], subsamp, jpegqual, flags)==-1)
367 _throwtj("executing tjCompress2()");
368 }
369 totaljpegsize+=jpegsize[tile];
370 }
371 }
372 iter++;
373 if(iter>=1)
374 {
375 elapsed+=gettime()-start;
376 if(elapsed>=benchtime) break;
377 }
378 }
379 if(doyuv) elapsed-=elapsedEncode;
380
381 if(tjDestroy(handle)==-1) _throwtj("executing tjDestroy()");
382 handle=NULL;
383
384 if(quiet==1) printf("%-5d %-5d ", tilew, tileh);
385 if(quiet)
386 {
387 if(doyuv)
388 printf("%-6s%s",
389 sigfig((double)(w*h)/1000000.*(double)iter/elapsedEncode, 4, tempstr,
390 1024), quiet==2? "\n":" ");
391 printf("%-6s%s",
392 sigfig((double)(w*h)/1000000.*(double)iter/elapsed, 4, tempstr, 1024),
393 quiet==2? "\n":" ");
394 printf("%-6s%s",
395 sigfig((double)(w*h*ps)/(double)totaljpegsize, 4, tempstr2, 80),
396 quiet==2? "\n":" ");
397 }
398 else
399 {
400 printf("\n%s size: %d x %d\n", dotile? "Tile":"Image", tilew,
401 tileh);
402 if(doyuv)
403 {
404 printf("Encode YUV --> Frame rate: %f fps\n",
405 (double)iter/elapsedEncode);
406 printf(" Output image size: %d bytes\n", yuvsize);
407 printf(" Compression ratio: %f:1\n",
408 (double)(w*h*ps)/(double)yuvsize);
409 printf(" Throughput: %f Megapixels/sec\n",
410 (double)(w*h)/1000000.*(double)iter/elapsedEncode);
411 printf(" Output bit stream: %f Megabits/sec\n",
412 (double)yuvsize*8./1000000.*(double)iter/elapsedEncode);
413 }
414 printf("%s --> Frame rate: %f fps\n",
415 doyuv? "Comp from YUV":"Compress ", (double)iter/elapsed);
416 printf(" Output image size: %d bytes\n",
417 totaljpegsize);
418 printf(" Compression ratio: %f:1\n",
419 (double)(w*h*ps)/(double)totaljpegsize);
420 printf(" Throughput: %f Megapixels/sec\n",
421 (double)(w*h)/1000000.*(double)iter/elapsed);
422 printf(" Output bit stream: %f Megabits/sec\n",
423 (double)totaljpegsize*8./1000000.*(double)iter/elapsed);
424 }
425 if(tilew==w && tileh==h)
426 {
427 snprintf(tempstr, 1024, "%s_%s_Q%d.jpg", filename, subName[subsamp],
428 jpegqual);
429 if((file=fopen(tempstr, "wb"))==NULL)
430 _throwunix("opening reference image");
431 if(fwrite(jpegbuf[0], jpegsize[0], 1, file)!=1)
432 _throwunix("writing reference image");
433 fclose(file); file=NULL;
434 if(!quiet) printf("Reference image written to %s\n", tempstr);
435 }
436
437 /* Decompression test */
438 if(!componly)
439 {
440 if(decomp(srcbuf, jpegbuf, jpegsize, tmpbuf, w, h, subsamp, jpegqual,
441 filename, tilew, tileh)==-1)
442 goto bailout;
443 }
444
445 for(i=0; i<ntilesw*ntilesh; i++)
446 {
447 if(jpegbuf[i]) tjFree(jpegbuf[i]); jpegbuf[i]=NULL;
448 }
449 free(jpegbuf); jpegbuf=NULL;
450 free(jpegsize); jpegsize=NULL;
451 if(doyuv)
452 {
453 free(yuvbuf); yuvbuf=NULL;
454 }
455
456 if(tilew==w && tileh==h) break;
457 }
458
459 bailout:
460 if(file) {fclose(file); file=NULL;}
461 if(jpegbuf)
462 {
463 for(i=0; i<ntilesw*ntilesh; i++)
464 {
465 if(jpegbuf[i]) tjFree(jpegbuf[i]); jpegbuf[i]=NULL;
466 }
467 free(jpegbuf); jpegbuf=NULL;
468 }
469 if(yuvbuf) {free(yuvbuf); yuvbuf=NULL;}
470 if(jpegsize) {free(jpegsize); jpegsize=NULL;}
471 if(tmpbuf) {free(tmpbuf); tmpbuf=NULL;}
472 if(handle) {tjDestroy(handle); handle=NULL;}
473 return retval;
474 }
475
476
decompTest(char * filename)477 int decompTest(char *filename)
478 {
479 FILE *file=NULL; tjhandle handle=NULL;
480 unsigned char **jpegbuf=NULL, *srcbuf=NULL;
481 unsigned long *jpegsize=NULL, srcsize, totaljpegsize;
482 tjtransform *t=NULL;
483 int w=0, h=0, subsamp=-1, cs=-1, _w, _h, _tilew, _tileh,
484 _ntilesw, _ntilesh, _subsamp;
485 char *temp=NULL, tempstr[80], tempstr2[80];
486 int row, col, i, iter, tilew, tileh, ntilesw=1, ntilesh=1, retval=0;
487 double start, elapsed;
488 int ps=tjPixelSize[pf], tile;
489
490 if((file=fopen(filename, "rb"))==NULL)
491 _throwunix("opening file");
492 if(fseek(file, 0, SEEK_END)<0 || (srcsize=ftell(file))==(unsigned long)-1)
493 _throwunix("determining file size");
494 if((srcbuf=(unsigned char *)malloc(srcsize))==NULL)
495 _throwunix("allocating memory");
496 if(fseek(file, 0, SEEK_SET)<0)
497 _throwunix("setting file position");
498 if(fread(srcbuf, srcsize, 1, file)<1)
499 _throwunix("reading JPEG data");
500 fclose(file); file=NULL;
501
502 temp=strrchr(filename, '.');
503 if(temp!=NULL) *temp='\0';
504
505 if((handle=tjInitTransform())==NULL)
506 _throwtj("executing tjInitTransform()");
507 if(tjDecompressHeader3(handle, srcbuf, srcsize, &w, &h, &subsamp, &cs)==-1)
508 _throwtj("executing tjDecompressHeader3()");
509 if(cs==TJCS_YCCK || cs==TJCS_CMYK)
510 {
511 pf=TJPF_CMYK; ps=tjPixelSize[pf];
512 }
513
514 if(quiet==1)
515 {
516 printf("All performance values in Mpixels/sec\n\n");
517 printf("Bitmap JPEG JPEG %s %s Xform Comp Decomp ",
518 dotile? "Tile ":"Image", dotile? "Tile ":"Image");
519 if(doyuv) printf("Decode");
520 printf("\n");
521 printf("Format CS Subsamp Width Height Perf Ratio Perf ");
522 if(doyuv) printf("Perf");
523 printf("\n\n");
524 }
525 else if(!quiet)
526 printf(">>>>> JPEG %s --> %s (%s) <<<<<\n",
527 formatName(subsamp, cs, tempstr), pixFormatStr[pf],
528 (flags&TJFLAG_BOTTOMUP)? "Bottom-up":"Top-down");
529
530 for(tilew=dotile? 16:w, tileh=dotile? 16:h; ; tilew*=2, tileh*=2)
531 {
532 if(tilew>w) tilew=w; if(tileh>h) tileh=h;
533 ntilesw=(w+tilew-1)/tilew; ntilesh=(h+tileh-1)/tileh;
534
535 if((jpegbuf=(unsigned char **)malloc(sizeof(unsigned char *)
536 *ntilesw*ntilesh))==NULL)
537 _throwunix("allocating JPEG tile array");
538 memset(jpegbuf, 0, sizeof(unsigned char *)*ntilesw*ntilesh);
539 if((jpegsize=(unsigned long *)malloc(sizeof(unsigned long)
540 *ntilesw*ntilesh))==NULL)
541 _throwunix("allocating JPEG size array");
542 memset(jpegsize, 0, sizeof(unsigned long)*ntilesw*ntilesh);
543
544 if((flags&TJFLAG_NOREALLOC)!=0 || !dotile)
545 for(i=0; i<ntilesw*ntilesh; i++)
546 {
547 if((jpegbuf[i]=(unsigned char *)tjAlloc(tjBufSize(tilew, tileh,
548 subsamp)))==NULL)
549 _throwunix("allocating JPEG tiles");
550 }
551
552 _w=w; _h=h; _tilew=tilew; _tileh=tileh;
553 if(!quiet)
554 {
555 printf("\n%s size: %d x %d", dotile? "Tile":"Image", _tilew,
556 _tileh);
557 if(sf.num!=1 || sf.denom!=1)
558 printf(" --> %d x %d", TJSCALED(_w, sf), TJSCALED(_h, sf));
559 printf("\n");
560 }
561 else if(quiet==1)
562 {
563 printf("%-4s (%s) %-5s %-5s ", pixFormatStr[pf],
564 (flags&TJFLAG_BOTTOMUP)? "BU":"TD", csName[cs], subNameLong[subsamp]);
565 printf("%-5d %-5d ", tilew, tileh);
566 }
567
568 _subsamp=subsamp;
569 if(dotile || xformop!=TJXOP_NONE || xformopt!=0 || customFilter)
570 {
571 if((t=(tjtransform *)malloc(sizeof(tjtransform)*ntilesw*ntilesh))
572 ==NULL)
573 _throwunix("allocating image transform array");
574
575 if(xformop==TJXOP_TRANSPOSE || xformop==TJXOP_TRANSVERSE
576 || xformop==TJXOP_ROT90 || xformop==TJXOP_ROT270)
577 {
578 _w=h; _h=w; _tilew=tileh; _tileh=tilew;
579 }
580
581 if(xformopt&TJXOPT_GRAY) _subsamp=TJ_GRAYSCALE;
582 if(xformop==TJXOP_HFLIP || xformop==TJXOP_ROT180)
583 _w=_w-(_w%tjMCUWidth[_subsamp]);
584 if(xformop==TJXOP_VFLIP || xformop==TJXOP_ROT180)
585 _h=_h-(_h%tjMCUHeight[_subsamp]);
586 if(xformop==TJXOP_TRANSVERSE || xformop==TJXOP_ROT90)
587 _w=_w-(_w%tjMCUHeight[_subsamp]);
588 if(xformop==TJXOP_TRANSVERSE || xformop==TJXOP_ROT270)
589 _h=_h-(_h%tjMCUWidth[_subsamp]);
590 _ntilesw=(_w+_tilew-1)/_tilew;
591 _ntilesh=(_h+_tileh-1)/_tileh;
592
593 if(xformop==TJXOP_TRANSPOSE || xformop==TJXOP_TRANSVERSE
594 || xformop==TJXOP_ROT90 || xformop==TJXOP_ROT270)
595 {
596 if(_subsamp==TJSAMP_422) _subsamp=TJSAMP_440;
597 else if(_subsamp==TJSAMP_440) _subsamp=TJSAMP_422;
598 }
599
600 for(row=0, tile=0; row<_ntilesh; row++)
601 {
602 for(col=0; col<_ntilesw; col++, tile++)
603 {
604 t[tile].r.w=min(_tilew, _w-col*_tilew);
605 t[tile].r.h=min(_tileh, _h-row*_tileh);
606 t[tile].r.x=col*_tilew;
607 t[tile].r.y=row*_tileh;
608 t[tile].op=xformop;
609 t[tile].options=xformopt|TJXOPT_TRIM;
610 t[tile].customFilter=customFilter;
611 if(t[tile].options&TJXOPT_NOOUTPUT && jpegbuf[tile])
612 {
613 tjFree(jpegbuf[tile]); jpegbuf[tile]=NULL;
614 }
615 }
616 }
617
618 iter=-warmup;
619 elapsed=0.;
620 while(1)
621 {
622 start=gettime();
623 if(tjTransform(handle, srcbuf, srcsize, _ntilesw*_ntilesh, jpegbuf,
624 jpegsize, t, flags)==-1)
625 _throwtj("executing tjTransform()");
626 iter++;
627 if(iter>=1)
628 {
629 elapsed+=gettime()-start;
630 if(elapsed>=benchtime) break;
631 }
632 }
633
634 free(t); t=NULL;
635
636 for(tile=0, totaljpegsize=0; tile<_ntilesw*_ntilesh; tile++)
637 totaljpegsize+=jpegsize[tile];
638
639 if(quiet)
640 {
641 printf("%-6s%s%-6s%s",
642 sigfig((double)(w*h)/1000000./elapsed, 4, tempstr, 80),
643 quiet==2? "\n":" ",
644 sigfig((double)(w*h*ps)/(double)totaljpegsize, 4, tempstr2, 80),
645 quiet==2? "\n":" ");
646 }
647 else if(!quiet)
648 {
649 printf("Transform --> Frame rate: %f fps\n", 1.0/elapsed);
650 printf(" Output image size: %lu bytes\n", totaljpegsize);
651 printf(" Compression ratio: %f:1\n",
652 (double)(w*h*ps)/(double)totaljpegsize);
653 printf(" Throughput: %f Megapixels/sec\n",
654 (double)(w*h)/1000000./elapsed);
655 printf(" Output bit stream: %f Megabits/sec\n",
656 (double)totaljpegsize*8./1000000./elapsed);
657 }
658 }
659 else
660 {
661 if(quiet==1) printf("N/A N/A ");
662 jpegsize[0]=srcsize;
663 memcpy(jpegbuf[0], srcbuf, srcsize);
664 }
665
666 if(w==tilew) _tilew=_w;
667 if(h==tileh) _tileh=_h;
668 if(!(xformopt&TJXOPT_NOOUTPUT))
669 {
670 if(decomp(NULL, jpegbuf, jpegsize, NULL, _w, _h, _subsamp, 0,
671 filename, _tilew, _tileh)==-1)
672 goto bailout;
673 }
674 else if(quiet==1) printf("N/A\n");
675
676 for(i=0; i<ntilesw*ntilesh; i++)
677 {
678 tjFree(jpegbuf[i]); jpegbuf[i]=NULL;
679 }
680 free(jpegbuf); jpegbuf=NULL;
681 if(jpegsize) {free(jpegsize); jpegsize=NULL;}
682
683 if(tilew==w && tileh==h) break;
684 }
685
686 bailout:
687 if(file) {fclose(file); file=NULL;}
688 if(jpegbuf)
689 {
690 for(i=0; i<ntilesw*ntilesh; i++)
691 {
692 if(jpegbuf[i]) tjFree(jpegbuf[i]); jpegbuf[i]=NULL;
693 }
694 free(jpegbuf); jpegbuf=NULL;
695 }
696 if(jpegsize) {free(jpegsize); jpegsize=NULL;}
697 if(srcbuf) {free(srcbuf); srcbuf=NULL;}
698 if(t) {free(t); t=NULL;}
699 if(handle) {tjDestroy(handle); handle=NULL;}
700 return retval;
701 }
702
703
usage(char * progname)704 void usage(char *progname)
705 {
706 int i;
707 printf("USAGE: %s\n", progname);
708 printf(" <Inputfile (BMP|PPM)> <Quality> [options]\n\n");
709 printf(" %s\n", progname);
710 printf(" <Inputfile (JPG)> [options]\n\n");
711 printf("Options:\n\n");
712 printf("-alloc = Dynamically allocate JPEG image buffers\n");
713 printf("-bmp = Generate output images in Windows Bitmap format (default = PPM)\n");
714 printf("-bottomup = Test bottom-up compression/decompression\n");
715 printf("-tile = Test performance of the codec when the image is encoded as separate\n");
716 printf(" tiles of varying sizes.\n");
717 printf("-rgb, -bgr, -rgbx, -bgrx, -xbgr, -xrgb =\n");
718 printf(" Test the specified color conversion path in the codec (default = BGR)\n");
719 printf("-cmyk = Indirectly test YCCK JPEG compression/decompression (the source\n");
720 printf(" and destination bitmaps are still RGB. The conversion is done\n");
721 printf(" internally prior to compression or after decompression.)\n");
722 printf("-fastupsample = Use the fastest chrominance upsampling algorithm available in\n");
723 printf(" the underlying codec\n");
724 printf("-fastdct = Use the fastest DCT/IDCT algorithms available in the underlying\n");
725 printf(" codec\n");
726 printf("-accuratedct = Use the most accurate DCT/IDCT algorithms available in the\n");
727 printf(" underlying codec\n");
728 printf("-subsamp <s> = When testing JPEG compression, this option specifies the level\n");
729 printf(" of chrominance subsampling to use (<s> = 444, 422, 440, 420, 411, or\n");
730 printf(" GRAY). The default is to test Grayscale, 4:2:0, 4:2:2, and 4:4:4 in\n");
731 printf(" sequence.\n");
732 printf("-quiet = Output results in tabular rather than verbose format\n");
733 printf("-yuv = Test YUV encoding/decoding functions\n");
734 printf("-yuvpad <p> = If testing YUV encoding/decoding, this specifies the number of\n");
735 printf(" bytes to which each row of each plane in the intermediate YUV image is\n");
736 printf(" padded (default = 1)\n");
737 printf("-scale M/N = Scale down the width/height of the decompressed JPEG image by a\n");
738 printf(" factor of M/N (M/N = ");
739 for(i=0; i<nsf; i++)
740 {
741 printf("%d/%d", scalingfactors[i].num, scalingfactors[i].denom);
742 if(nsf==2 && i!=nsf-1) printf(" or ");
743 else if(nsf>2)
744 {
745 if(i!=nsf-1) printf(", ");
746 if(i==nsf-2) printf("or ");
747 }
748 if(i%8==0 && i!=0) printf("\n ");
749 }
750 printf(")\n");
751 printf("-hflip, -vflip, -transpose, -transverse, -rot90, -rot180, -rot270 =\n");
752 printf(" Perform the corresponding lossless transform prior to\n");
753 printf(" decompression (these options are mutually exclusive)\n");
754 printf("-grayscale = Perform lossless grayscale conversion prior to decompression\n");
755 printf(" test (can be combined with the other transforms above)\n");
756 printf("-benchtime <t> = Run each benchmark for at least <t> seconds (default = 5.0)\n");
757 printf("-warmup <w> = Execute each benchmark <w> times to prime the cache before\n");
758 printf(" taking performance measurements (default = 1)\n");
759 printf("-componly = Stop after running compression tests. Do not test decompression.\n\n");
760 printf("NOTE: If the quality is specified as a range (e.g. 90-100), a separate\n");
761 printf("test will be performed for all quality values in the range.\n\n");
762 exit(1);
763 }
764
765
main(int argc,char * argv[])766 int main(int argc, char *argv[])
767 {
768 unsigned char *srcbuf=NULL; int w=0, h=0, i, j;
769 int minqual=-1, maxqual=-1; char *temp;
770 int minarg=2, retval=0, subsamp=-1;
771
772 if((scalingfactors=tjGetScalingFactors(&nsf))==NULL || nsf==0)
773 _throwtj("executing tjGetScalingFactors()");
774
775 if(argc<minarg) usage(argv[0]);
776
777 temp=strrchr(argv[1], '.');
778 if(temp!=NULL)
779 {
780 if(!strcasecmp(temp, ".bmp")) ext="bmp";
781 if(!strcasecmp(temp, ".jpg") || !strcasecmp(temp, ".jpeg")) decomponly=1;
782 }
783
784 printf("\n");
785
786 if(!decomponly)
787 {
788 minarg=3;
789 if(argc<minarg) usage(argv[0]);
790 if((minqual=atoi(argv[2]))<1 || minqual>100)
791 {
792 puts("ERROR: Quality must be between 1 and 100.");
793 exit(1);
794 }
795 if((temp=strchr(argv[2], '-'))!=NULL && strlen(temp)>1
796 && sscanf(&temp[1], "%d", &maxqual)==1 && maxqual>minqual && maxqual>=1
797 && maxqual<=100) {}
798 else maxqual=minqual;
799 }
800
801 if(argc>minarg)
802 {
803 for(i=minarg; i<argc; i++)
804 {
805 if(!strcasecmp(argv[i], "-tile"))
806 {
807 dotile=1; xformopt|=TJXOPT_CROP;
808 }
809 if(!strcasecmp(argv[i], "-fastupsample"))
810 {
811 printf("Using fast upsampling code\n\n");
812 flags|=TJFLAG_FASTUPSAMPLE;
813 }
814 if(!strcasecmp(argv[i], "-fastdct"))
815 {
816 printf("Using fastest DCT/IDCT algorithm\n\n");
817 flags|=TJFLAG_FASTDCT;
818 }
819 if(!strcasecmp(argv[i], "-accuratedct"))
820 {
821 printf("Using most accurate DCT/IDCT algorithm\n\n");
822 flags|=TJFLAG_ACCURATEDCT;
823 }
824 if(!strcasecmp(argv[i], "-rgb")) pf=TJPF_RGB;
825 if(!strcasecmp(argv[i], "-rgbx")) pf=TJPF_RGBX;
826 if(!strcasecmp(argv[i], "-bgr")) pf=TJPF_BGR;
827 if(!strcasecmp(argv[i], "-bgrx")) pf=TJPF_BGRX;
828 if(!strcasecmp(argv[i], "-xbgr")) pf=TJPF_XBGR;
829 if(!strcasecmp(argv[i], "-xrgb")) pf=TJPF_XRGB;
830 if(!strcasecmp(argv[i], "-cmyk")) pf=TJPF_CMYK;
831 if(!strcasecmp(argv[i], "-bottomup")) flags|=TJFLAG_BOTTOMUP;
832 if(!strcasecmp(argv[i], "-quiet")) quiet=1;
833 if(!strcasecmp(argv[i], "-qq")) quiet=2;
834 if(!strcasecmp(argv[i], "-scale") && i<argc-1)
835 {
836 int temp1=0, temp2=0, match=0;
837 if(sscanf(argv[++i], "%d/%d", &temp1, &temp2)==2)
838 {
839 for(j=0; j<nsf; j++)
840 {
841 if((double)temp1/(double)temp2
842 == (double)scalingfactors[j].num/(double)scalingfactors[j].denom)
843 {
844 sf=scalingfactors[j];
845 match=1; break;
846 }
847 }
848 if(!match) usage(argv[0]);
849 }
850 else usage(argv[0]);
851 }
852 if(!strcasecmp(argv[i], "-hflip")) xformop=TJXOP_HFLIP;
853 if(!strcasecmp(argv[i], "-vflip")) xformop=TJXOP_VFLIP;
854 if(!strcasecmp(argv[i], "-transpose")) xformop=TJXOP_TRANSPOSE;
855 if(!strcasecmp(argv[i], "-transverse")) xformop=TJXOP_TRANSVERSE;
856 if(!strcasecmp(argv[i], "-rot90")) xformop=TJXOP_ROT90;
857 if(!strcasecmp(argv[i], "-rot180")) xformop=TJXOP_ROT180;
858 if(!strcasecmp(argv[i], "-rot270")) xformop=TJXOP_ROT270;
859 if(!strcasecmp(argv[i], "-grayscale")) xformopt|=TJXOPT_GRAY;
860 if(!strcasecmp(argv[i], "-custom")) customFilter=dummyDCTFilter;
861 if(!strcasecmp(argv[i], "-nooutput")) xformopt|=TJXOPT_NOOUTPUT;
862 if(!strcasecmp(argv[i], "-benchtime") && i<argc-1)
863 {
864 double temp=atof(argv[++i]);
865 if(temp>0.0) benchtime=temp;
866 else usage(argv[0]);
867 }
868 if(!strcasecmp(argv[i], "-warmup") && i<argc-1)
869 {
870 int temp=atoi(argv[++i]);
871 if(temp>=0)
872 {
873 warmup=temp;
874 printf("Warmup runs = %d\n\n", warmup);
875 }
876 else usage(argv[0]);
877 }
878 if(!strcmp(argv[i], "-?")) usage(argv[0]);
879 if(!strcasecmp(argv[i], "-alloc")) flags&=(~TJFLAG_NOREALLOC);
880 if(!strcasecmp(argv[i], "-bmp")) ext="bmp";
881 if(!strcasecmp(argv[i], "-yuv"))
882 {
883 printf("Testing YUV planar encoding/decoding\n\n");
884 doyuv=1;
885 }
886 if(!strcasecmp(argv[i], "-yuvpad") && i<argc-1)
887 {
888 int temp=atoi(argv[++i]);
889 if(temp>=1) yuvpad=temp;
890 }
891 if(!strcasecmp(argv[i], "-subsamp") && i<argc-1)
892 {
893 i++;
894 if(toupper(argv[i][0])=='G') subsamp=TJSAMP_GRAY;
895 else
896 {
897 int temp=atoi(argv[i]);
898 switch(temp)
899 {
900 case 444: subsamp=TJSAMP_444; break;
901 case 422: subsamp=TJSAMP_422; break;
902 case 440: subsamp=TJSAMP_440; break;
903 case 420: subsamp=TJSAMP_420; break;
904 case 411: subsamp=TJSAMP_411; break;
905 }
906 }
907 }
908 if(!strcasecmp(argv[i], "-componly")) componly=1;
909 }
910 }
911
912 if((sf.num!=1 || sf.denom!=1) && dotile)
913 {
914 printf("Disabling tiled compression/decompression tests, because those tests do not\n");
915 printf("work when scaled decompression is enabled.\n");
916 dotile=0;
917 }
918
919 if((flags&TJFLAG_NOREALLOC)==0 && dotile)
920 {
921 printf("Disabling tiled compression/decompression tests, because those tests do not\n");
922 printf("work when dynamic JPEG buffer allocation is enabled.\n\n");
923 dotile=0;
924 }
925
926 if(!decomponly)
927 {
928 if(loadbmp(argv[1], &srcbuf, &w, &h, pf, (flags&TJFLAG_BOTTOMUP)!=0)==-1)
929 _throwbmp("loading bitmap");
930 temp=strrchr(argv[1], '.');
931 if(temp!=NULL) *temp='\0';
932 }
933
934 if(quiet==1 && !decomponly)
935 {
936 printf("All performance values in Mpixels/sec\n\n");
937 printf("Bitmap JPEG JPEG %s %s ",
938 dotile? "Tile ":"Image", dotile? "Tile ":"Image");
939 if(doyuv) printf("Encode ");
940 printf("Comp Comp Decomp ");
941 if(doyuv) printf("Decode");
942 printf("\n");
943 printf("Format Subsamp Qual Width Height ");
944 if(doyuv) printf("Perf ");
945 printf("Perf Ratio Perf ");
946 if(doyuv) printf("Perf");
947 printf("\n\n");
948 }
949
950 if(decomponly)
951 {
952 decompTest(argv[1]);
953 printf("\n");
954 goto bailout;
955 }
956 if(subsamp>=0 && subsamp<TJ_NUMSAMP)
957 {
958 for(i=maxqual; i>=minqual; i--)
959 fullTest(srcbuf, w, h, subsamp, i, argv[1]);
960 printf("\n");
961 }
962 else
963 {
964 if(pf!=TJPF_CMYK)
965 {
966 for(i=maxqual; i>=minqual; i--)
967 fullTest(srcbuf, w, h, TJSAMP_GRAY, i, argv[1]);
968 printf("\n");
969 }
970 for(i=maxqual; i>=minqual; i--)
971 fullTest(srcbuf, w, h, TJSAMP_420, i, argv[1]);
972 printf("\n");
973 for(i=maxqual; i>=minqual; i--)
974 fullTest(srcbuf, w, h, TJSAMP_422, i, argv[1]);
975 printf("\n");
976 for(i=maxqual; i>=minqual; i--)
977 fullTest(srcbuf, w, h, TJSAMP_444, i, argv[1]);
978 printf("\n");
979 }
980
981 bailout:
982 if(srcbuf) free(srcbuf);
983 return retval;
984 }
985