зеркало из https://github.com/mozilla/mozjpeg.git
393 строки
12 KiB
C++
393 строки
12 KiB
C++
/* Copyright (C)2004 Landmark Graphics Corporation
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* Copyright (C)2005, 2006 Sun Microsystems, Inc.
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* Copyright (C)2009 D. R. Commander
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*
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* This library is free software and may be redistributed and/or modified under
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* the terms of the wxWindows Library License, Version 3.1 or (at your option)
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* any later version. The full license is in the LICENSE.txt file included
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* with this distribution.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* wxWindows Library License for more details.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#include "./bmp.h"
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#include "./rrutil.h"
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#include "./rrtimer.h"
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#include "./turbojpeg.h"
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#define _catch(f) {if((f)==-1) {printf("Error in %s:\n%s\n", #f, tjGetErrorStr()); goto bailout;}}
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int forcemmx=0, forcesse=0, forcesse2=0, forcesse3=0, fastupsample=0;
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const int _ps[BMPPIXELFORMATS]={3, 4, 3, 4, 4, 4};
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const int _flags[BMPPIXELFORMATS]={0, 0, TJ_BGR, TJ_BGR,
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TJ_BGR|TJ_ALPHAFIRST, TJ_ALPHAFIRST};
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const int _rindex[BMPPIXELFORMATS]={0, 0, 2, 2, 3, 1};
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const int _gindex[BMPPIXELFORMATS]={1, 1, 1, 1, 2, 2};
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const int _bindex[BMPPIXELFORMATS]={2, 2, 0, 0, 1, 3};
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const char *_pfname[]={"RGB", "RGBA", "BGR", "BGRA", "ABGR", "ARGB"};
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const char *_subnamel[NUMSUBOPT]={"4:4:4", "4:2:2", "4:2:0", "GRAY"};
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const char *_subnames[NUMSUBOPT]={"444", "422", "420", "GRAY"};
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void printsigfig(double val, int figs)
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{
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char format[80];
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double _l=log10(val); int l;
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if(_l<0.)
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{
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l=(int)fabs(_l);
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sprintf(format, "%%%d.%df", figs+l+2, figs+l);
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}
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else
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{
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l=(int)_l+1;
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if(figs<=l) sprintf(format, "%%.0f");
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else sprintf(format, "%%%d.%df", figs+1, figs-l);
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}
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printf(format, val);
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}
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void dotest(unsigned char *srcbuf, int w, int h, BMPPIXELFORMAT pf, int bu,
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int jpegsub, int qual, char *filename, int dotile, int useppm, int quiet)
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{
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char tempstr[1024];
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FILE *outfile; tjhandle hnd;
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unsigned char **jpegbuf=NULL, *rgbbuf=NULL;
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rrtimer timer; double elapsed;
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int jpgbufsize=0, i, j, tilesizex, tilesizey, numtilesx, numtilesy, ITER;
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unsigned long *comptilesize=NULL;
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int flags=(forcemmx?TJ_FORCEMMX:0)|(forcesse?TJ_FORCESSE:0)
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|(forcesse2?TJ_FORCESSE2:0)|(forcesse3?TJ_FORCESSE3:0)
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|(fastupsample?TJ_FASTUPSAMPLE:0);
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int ps=_ps[pf];
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int pitch=w*ps;
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flags |= _flags[pf];
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if(bu) flags |= TJ_BOTTOMUP;
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if((rgbbuf=(unsigned char *)malloc(pitch*h)) == NULL)
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{
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puts("ERROR: Could not allocate image buffer.");
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exit(1);
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}
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if(!quiet) printf("\n>>>>> %s (%s) <--> JPEG %s Q%d <<<<<\n", _pfname[pf],
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bu?"Bottom-up":"Top-down", _subnamel[jpegsub], qual);
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if(dotile) {tilesizex=tilesizey=4;} else {tilesizex=w; tilesizey=h;}
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do
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{
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tilesizex*=2; if(tilesizex>w) tilesizex=w;
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tilesizey*=2; if(tilesizey>h) tilesizey=h;
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numtilesx=(w+tilesizex-1)/tilesizex;
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numtilesy=(h+tilesizey-1)/tilesizey;
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if((comptilesize=(unsigned long *)malloc(sizeof(unsigned long)*numtilesx*numtilesy)) == NULL
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|| (jpegbuf=(unsigned char **)malloc(sizeof(unsigned char *)*numtilesx*numtilesy)) == NULL)
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{
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puts("ERROR: Could not allocate image buffers.");
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goto bailout;
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}
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memset(jpegbuf, 0, sizeof(unsigned char *)*numtilesx*numtilesy);
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for(i=0; i<numtilesx*numtilesy; i++)
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{
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if((jpegbuf[i]=(unsigned char *)malloc(TJBUFSIZE(tilesizex, tilesizey))) == NULL)
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{
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puts("ERROR: Could not allocate image buffers.");
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goto bailout;
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}
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}
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// Compression test
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if(quiet) printf("%s\t%s\t%s\t%d\t", _pfname[pf], bu?"BU":"TD",
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_subnamel[jpegsub], qual);
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for(i=0; i<h; i++) memcpy(&rgbbuf[pitch*i], &srcbuf[w*ps*i], w*ps);
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if((hnd=tjInitCompress())==NULL)
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{
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printf("Error in tjInitCompress():\n%s\n", tjGetErrorStr());
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goto bailout;
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}
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_catch(tjCompress(hnd, rgbbuf, tilesizex, pitch, tilesizey, ps,
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jpegbuf[0], &comptilesize[0], jpegsub, qual, flags));
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ITER=0;
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timer.start();
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do
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{
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jpgbufsize=0; int tilen=0;
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for(i=0; i<h; i+=tilesizey)
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{
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for(j=0; j<w; j+=tilesizex)
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{
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int tempw=min(tilesizex, w-j), temph=min(tilesizey, h-i);
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_catch(tjCompress(hnd, &rgbbuf[pitch*i+j*ps], tempw, pitch,
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temph, ps, jpegbuf[tilen], &comptilesize[tilen], jpegsub, qual,
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flags));
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jpgbufsize+=comptilesize[tilen];
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tilen++;
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}
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}
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ITER++;
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} while((elapsed=timer.elapsed())<5.);
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_catch(tjDestroy(hnd));
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if(quiet)
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{
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if(tilesizex==w && tilesizey==h) printf("Full \t");
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else printf("%-4d %-4d\t", tilesizex, tilesizey);
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printsigfig((double)(w*h)/1000000.*(double)ITER/elapsed, 4);
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printf("\t");
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printsigfig((double)(w*h*ps)/(double)jpgbufsize, 4);
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printf("\t");
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}
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else
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{
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if(tilesizex==w && tilesizey==h) printf("\nFull image\n");
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else printf("\nTile size: %d x %d\n", tilesizex, tilesizey);
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printf("C--> Frame rate: %f fps\n", (double)ITER/elapsed);
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printf(" Output image size: %d bytes\n", jpgbufsize);
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printf(" Compression ratio: %f:1\n",
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(double)(w*h*ps)/(double)jpgbufsize);
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printf(" Source throughput: %f Megapixels/sec\n",
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(double)(w*h)/1000000.*(double)ITER/elapsed);
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printf(" Output bit stream: %f Megabits/sec\n",
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(double)jpgbufsize*8./1000000.*(double)ITER/elapsed);
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}
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if(tilesizex==w && tilesizey==h)
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{
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sprintf(tempstr, "%s_%sQ%d.jpg", filename, _subnames[jpegsub], qual);
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if((outfile=fopen(tempstr, "wb"))==NULL)
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{
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puts("ERROR: Could not open reference image");
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exit(1);
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}
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if(fwrite(jpegbuf[0], jpgbufsize, 1, outfile)!=1)
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{
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puts("ERROR: Could not write reference image");
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exit(1);
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}
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fclose(outfile);
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if(!quiet) printf("Reference image written to %s\n", tempstr);
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}
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// Decompression test
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memset(rgbbuf, 127, pitch*h); // Grey image means decompressor did nothing
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if((hnd=tjInitDecompress())==NULL)
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{
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printf("Error in tjInitDecompress():\n%s\n", tjGetErrorStr());
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goto bailout;
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}
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_catch(tjDecompress(hnd, jpegbuf[0], jpgbufsize, rgbbuf, tilesizex, pitch,
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tilesizey, ps, flags));
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ITER=0;
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timer.start();
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do
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{
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int tilen=0;
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for(i=0; i<h; i+=tilesizey)
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{
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for(j=0; j<w; j+=tilesizex)
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{
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int tempw=min(tilesizex, w-j), temph=min(tilesizey, h-i);
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_catch(tjDecompress(hnd, jpegbuf[tilen], comptilesize[tilen],
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&rgbbuf[pitch*i+ps*j], tempw, pitch, temph, ps, flags));
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tilen++;
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}
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}
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ITER++;
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} while((elapsed=timer.elapsed())<5.);
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_catch(tjDestroy(hnd));
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if(quiet)
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{
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printsigfig((double)(w*h)/1000000.*(double)ITER/elapsed, 4);
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printf("\n");
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}
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else
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{
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printf("D--> Frame rate: %f fps\n", (double)ITER/elapsed);
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printf(" Dest. throughput: %f Megapixels/sec\n",
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(double)(w*h)/1000000.*(double)ITER/elapsed);
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}
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if(tilesizex==w && tilesizey==h)
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sprintf(tempstr, "%s_%sQ%d_full.%s", filename, _subnames[jpegsub], qual,
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useppm?"ppm":"bmp");
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else sprintf(tempstr, "%s_%sQ%d_%dx%d.%s", filename, _subnames[jpegsub],
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qual, tilesizex, tilesizey, useppm?"ppm":"bmp");
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if(savebmp(tempstr, rgbbuf, w, h, pf, pitch, bu)==-1)
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{
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printf("ERROR saving bitmap: %s\n", bmpgeterr());
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goto bailout;
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}
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sprintf(strrchr(tempstr, '.'), "-err.%s", useppm?"ppm":"bmp");
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if(!quiet)
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printf("Computing compression error and saving to %s.\n", tempstr);
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if(jpegsub==TJ_GRAYSCALE)
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{
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for(j=0; j<h; j++)
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{
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for(i=0; i<w*ps; i+=ps)
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{
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int y=(int)((double)srcbuf[w*ps*j+i+_rindex[pf]]*0.299
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+ (double)srcbuf[w*ps*j+i+_gindex[pf]]*0.587
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+ (double)srcbuf[w*ps*j+i+_bindex[pf]]*0.114 + 0.5);
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if(y>255) y=255; if(y<0) y=0;
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rgbbuf[pitch*j+i+_rindex[pf]]=abs(rgbbuf[pitch*j+i+_rindex[pf]]-y);
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rgbbuf[pitch*j+i+_gindex[pf]]=abs(rgbbuf[pitch*j+i+_gindex[pf]]-y);
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rgbbuf[pitch*j+i+_bindex[pf]]=abs(rgbbuf[pitch*j+i+_bindex[pf]]-y);
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}
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}
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}
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else
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{
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for(j=0; j<h; j++) for(i=0; i<w*ps; i++)
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rgbbuf[pitch*j+i]=abs(rgbbuf[pitch*j+i]-srcbuf[w*ps*j+i]);
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}
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if(savebmp(tempstr, rgbbuf, w, h, pf, pitch, bu)==-1)
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{
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printf("ERROR saving bitmap: %s\n", bmpgeterr());
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goto bailout;
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}
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// Cleanup
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if(jpegbuf)
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{
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for(i=0; i<numtilesx*numtilesy; i++)
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{if(jpegbuf[i]) free(jpegbuf[i]); jpegbuf[i]=NULL;}
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free(jpegbuf); jpegbuf=NULL;
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}
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if(comptilesize) {free(comptilesize); comptilesize=NULL;}
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} while(tilesizex<w || tilesizey<h);
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if(rgbbuf) {free(rgbbuf); rgbbuf=NULL;}
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return;
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bailout:
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if(jpegbuf)
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{
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for(i=0; i<numtilesx*numtilesy; i++)
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{if(jpegbuf[i]) free(jpegbuf[i]); jpegbuf[i]=NULL;}
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free(jpegbuf); jpegbuf=NULL;
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}
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if(comptilesize) {free(comptilesize); comptilesize=NULL;}
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if(rgbbuf) {free(rgbbuf); rgbbuf=NULL;}
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return;
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}
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int main(int argc, char *argv[])
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{
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unsigned char *bmpbuf=NULL; int w, h, i, useppm=0;
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int qual, dotile=0, quiet=0, hiqual=-1; char *temp;
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BMPPIXELFORMAT pf=BMP_BGR;
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int bu=0;
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printf("\n");
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if(argc<3)
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{
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printf("USAGE: %s <Inputfile (BMP|PPM)> <%% Quality>\n\n", argv[0]);
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printf(" [-tile]\n");
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printf(" Test performance of the codec when the image is encoded\n");
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printf(" as separate tiles of varying sizes.\n\n");
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printf(" [-forcemmx] [-forcesse] [-forcesse2] [-forcesse3]\n");
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printf(" Force MMX, SSE, or SSE2 code paths in Intel codec\n\n");
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printf(" [-rgb | -bgr | -rgba | -bgra | -abgr | -argb]\n");
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printf(" Test the specified color conversion path in the codec (default: BGR)\n\n");
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printf(" [-fastupsample]\n");
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printf(" Use fast, inaccurate upsampling code to perform 4:2:2 and 4:2:0\n");
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printf(" YUV decoding in libjpeg decompressor\n\n");
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printf(" [-quiet]\n");
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printf(" Output in tabular rather than verbose format\n\n");
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printf(" NOTE: If the quality is specified as a range, i.e. 90-100, a separate\n");
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printf(" test will be performed for all quality values in the range.\n");
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exit(1);
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}
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if((qual=atoi(argv[2]))<1 || qual>100)
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{
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puts("ERROR: Quality must be between 1 and 100.");
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exit(1);
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}
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if((temp=strchr(argv[2], '-'))!=NULL && strlen(temp)>1
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&& sscanf(&temp[1], "%d", &hiqual)==1 && hiqual>qual && hiqual>=1
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&& hiqual<=100) {}
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else hiqual=qual;
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if(argc>3)
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{
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for(i=3; i<argc; i++)
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{
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if(!stricmp(argv[i], "-tile")) dotile=1;
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if(!stricmp(argv[i], "-forcesse3"))
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{
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printf("Using SSE3 code in Intel compressor\n");
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forcesse3=1;
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}
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if(!stricmp(argv[i], "-forcesse2"))
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{
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printf("Using SSE2 code in Intel compressor\n");
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forcesse2=1;
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}
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if(!stricmp(argv[i], "-forcesse"))
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{
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printf("Using SSE code in Intel compressor\n");
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forcesse=1;
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}
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if(!stricmp(argv[i], "-forcemmx"))
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{
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printf("Using MMX code in Intel compressor\n");
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forcemmx=1;
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}
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if(!stricmp(argv[i], "-fastupsample"))
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{
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printf("Using fast upsampling code\n");
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fastupsample=1;
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}
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if(!stricmp(argv[i], "-rgb")) pf=BMP_RGB;
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if(!stricmp(argv[i], "-rgba")) pf=BMP_RGBA;
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if(!stricmp(argv[i], "-bgr")) pf=BMP_BGR;
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if(!stricmp(argv[i], "-bgra")) pf=BMP_BGRA;
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if(!stricmp(argv[i], "-abgr")) pf=BMP_ABGR;
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if(!stricmp(argv[i], "-argb")) pf=BMP_ARGB;
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if(!stricmp(argv[i], "-bottomup")) bu=1;
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if(!stricmp(argv[i], "-quiet")) quiet=1;
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}
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}
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if(loadbmp(argv[1], &bmpbuf, &w, &h, pf, 1, bu)==-1)
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{
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printf("ERROR loading bitmap: %s\n", bmpgeterr()); exit(1);
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}
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temp=strrchr(argv[1], '.');
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if(temp!=NULL)
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{
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if(!stricmp(temp, ".ppm")) useppm=1;
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*temp='\0';
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}
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if(quiet)
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{
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printf("All performance values in Mpixels/sec\n\n");
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printf("Bitmap\tBitmap\tJPEG\tJPEG\tTile Size\tCompr\tCompr\tDecomp\n");
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printf("Format\tOrder\tFormat\tQual\t X Y \tPerf \tRatio\tPerf\n\n");
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}
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for(i=hiqual; i>=qual; i--)
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dotest(bmpbuf, w, h, pf, bu, TJ_GRAYSCALE, i, argv[1], dotile, useppm, quiet);
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if(quiet) printf("\n");
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for(i=hiqual; i>=qual; i--)
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dotest(bmpbuf, w, h, pf, bu, TJ_420, i, argv[1], dotile, useppm, quiet);
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if(quiet) printf("\n");
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for(i=hiqual; i>=qual; i--)
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dotest(bmpbuf, w, h, pf, bu, TJ_422, i, argv[1], dotile, useppm, quiet);
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if(quiet) printf("\n");
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for(i=hiqual; i>=qual; i--)
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dotest(bmpbuf, w, h, pf, bu, TJ_444, i, argv[1], dotile, useppm, quiet);
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if(bmpbuf) free(bmpbuf);
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return 0;
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}
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