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462 lines
12 KiB
462 lines
12 KiB
/*
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* Copyright (C)2009-2012 D. R. Commander. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name of the libjpeg-turbo Project nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* This program tests the various code paths in the TurboJPEG C Wrapper
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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 <errno.h>
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#include "./tjutil.h"
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#include "./turbojpeg.h"
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#ifdef _WIN32
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#include <time.h>
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#define random() rand()
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#endif
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#define _throwtj() {printf("TurboJPEG ERROR:\n%s\n", tjGetErrorStr()); \
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bailout();}
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#define _tj(f) {if((f)==-1) _throwtj();}
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#define _throw(m) {printf("ERROR: %s\n", m); bailout();}
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const char *subNameLong[TJ_NUMSAMP]=
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{
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"4:4:4", "4:2:2", "4:2:0", "GRAY", "4:4:0"
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};
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const char *subName[TJ_NUMSAMP]={"444", "422", "420", "GRAY", "440"};
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const char *pixFormatStr[TJ_NUMPF]=
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{
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"RGB", "BGR", "RGBX", "BGRX", "XBGR", "XRGB", "Grayscale",
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"RGBA", "BGRA", "ABGR", "ARGB"
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};
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const int alphaOffset[TJ_NUMPF] = {-1, -1, -1, -1, -1, -1, -1, 3, 3, 0, 0};
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const int _3byteFormats[]={TJPF_RGB, TJPF_BGR};
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const int _4byteFormats[]={TJPF_RGBX, TJPF_BGRX, TJPF_XBGR, TJPF_XRGB};
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const int _onlyGray[]={TJPF_GRAY};
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const int _onlyRGB[]={TJPF_RGB};
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int exitStatus=0;
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#define bailout() {exitStatus=-1; goto bailout;}
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void initBuf(unsigned char *buf, int w, int h, int pf, int flags)
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{
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int roffset=tjRedOffset[pf];
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int goffset=tjGreenOffset[pf];
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int boffset=tjBlueOffset[pf];
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int ps=tjPixelSize[pf];
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int index, row, col, halfway=16;
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memset(buf, 0, w*h*ps);
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if(pf==TJPF_GRAY)
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{
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for(row=0; row<h; row++)
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{
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for(col=0; col<w; col++)
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{
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if(flags&TJFLAG_BOTTOMUP) index=(h-row-1)*w+col;
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else index=row*w+col;
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if(((row/8)+(col/8))%2==0) buf[index]=(row<halfway)? 255:0;
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else buf[index]=(row<halfway)? 76:226;
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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(row=0; row<h; row++)
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{
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for(col=0; col<w; col++)
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{
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if(flags&TJFLAG_BOTTOMUP) index=(h-row-1)*w+col;
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else index=row*w+col;
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if(((row/8)+(col/8))%2==0)
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{
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if(row<halfway)
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{
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buf[index*ps+roffset]=255;
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buf[index*ps+goffset]=255;
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buf[index*ps+boffset]=255;
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}
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}
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else
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{
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buf[index*ps+roffset]=255;
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if(row>=halfway) buf[index*ps+goffset]=255;
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}
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}
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}
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}
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}
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#define checkval(v, cv) { \
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if(v<cv-1 || v>cv+1) { \
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printf("\nComp. %s at %d,%d should be %d, not %d\n", \
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#v, row, col, cv, v); \
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retval=0; exitStatus=-1; goto bailout; \
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}}
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#define checkval0(v) { \
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if(v>1) { \
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printf("\nComp. %s at %d,%d should be 0, not %d\n", #v, row, col, v); \
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retval=0; exitStatus=-1; goto bailout; \
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}}
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#define checkval255(v) { \
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if(v<254) { \
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printf("\nComp. %s at %d,%d should be 255, not %d\n", #v, row, col, v); \
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retval=0; exitStatus=-1; goto bailout; \
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}}
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int checkBuf(unsigned char *buf, int w, int h, int pf, int subsamp,
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tjscalingfactor sf, int flags)
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{
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int roffset=tjRedOffset[pf];
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int goffset=tjGreenOffset[pf];
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int boffset=tjBlueOffset[pf];
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int aoffset=alphaOffset[pf];
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int ps=tjPixelSize[pf];
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int index, row, col, retval=1;
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int halfway=16*sf.num/sf.denom;
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int blocksize=8*sf.num/sf.denom;
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for(row=0; row<h; row++)
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{
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for(col=0; col<w; col++)
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{
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unsigned char r, g, b, a;
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if(flags&TJFLAG_BOTTOMUP) index=(h-row-1)*w+col;
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else index=row*w+col;
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r=buf[index*ps+roffset];
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g=buf[index*ps+goffset];
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b=buf[index*ps+boffset];
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a=aoffset>=0? buf[index*ps+aoffset]:0xFF;
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if(((row/blocksize)+(col/blocksize))%2==0)
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{
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if(row<halfway)
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{
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checkval255(r); checkval255(g); checkval255(b);
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}
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else
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{
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checkval0(r); checkval0(g); checkval0(b);
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}
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}
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else
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{
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if(subsamp==TJSAMP_GRAY)
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{
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if(row<halfway)
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{
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checkval(r, 76); checkval(g, 76); checkval(b, 76);
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}
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else
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{
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checkval(r, 226); checkval(g, 226); checkval(b, 226);
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}
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}
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else
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{
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if(row<halfway)
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{
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checkval255(r); checkval0(g); checkval0(b);
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}
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else
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{
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checkval255(r); checkval255(g); checkval0(b);
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}
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}
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}
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checkval255(a);
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}
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}
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bailout:
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if(retval==0)
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{
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printf("\n");
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for(row=0; row<h; row++)
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{
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for(col=0; col<w; col++)
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{
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printf("%.3d/%.3d/%.3d ", buf[(row*w+col)*ps+roffset],
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buf[(row*w+col)*ps+goffset], buf[(row*w+col)*ps+boffset]);
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}
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printf("\n");
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}
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}
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return retval;
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}
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void writeJPEG(unsigned char *jpegBuf, unsigned long jpegSize, char *filename)
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{
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FILE *file=fopen(filename, "wb");
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if(!file || fwrite(jpegBuf, jpegSize, 1, file)!=1)
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{
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printf("ERROR: Could not write to %s.\n%s\n", filename, strerror(errno));
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bailout();
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}
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bailout:
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if(file) fclose(file);
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}
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void compTest(tjhandle handle, unsigned char **dstBuf,
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unsigned long *dstSize, int w, int h, int pf, char *basename,
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int subsamp, int jpegQual, int flags)
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{
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char tempStr[1024]; unsigned char *srcBuf=NULL;
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double t;
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printf("%s %s -> %s Q%d ... ", pixFormatStr[pf],
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(flags&TJFLAG_BOTTOMUP)? "Bottom-Up":"Top-Down ", subNameLong[subsamp],
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jpegQual);
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if((srcBuf=(unsigned char *)malloc(w*h*tjPixelSize[pf]))==NULL)
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_throw("Memory allocation failure");
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initBuf(srcBuf, w, h, pf, flags);
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if(*dstBuf && *dstSize>0) memset(*dstBuf, 0, *dstSize);
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t=gettime();
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*dstSize=tjBufSize(w, h, subsamp);
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_tj(tjCompress2(handle, srcBuf, w, 0, h, pf, dstBuf, dstSize, subsamp,
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jpegQual, flags));
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t=gettime()-t;
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snprintf(tempStr, 1024, "%s_enc_%s_%s_%s_Q%d.jpg", basename,
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pixFormatStr[pf], (flags&TJFLAG_BOTTOMUP)? "BU":"TD", subName[subsamp],
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jpegQual);
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writeJPEG(*dstBuf, *dstSize, tempStr);
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printf("Done.");
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printf(" %f ms\n Result in %s\n", t*1000., tempStr);
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bailout:
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if(srcBuf) free(srcBuf);
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}
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void _decompTest(tjhandle handle, unsigned char *jpegBuf,
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unsigned long jpegSize, int w, int h, int pf, char *basename, int subsamp,
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int flags, tjscalingfactor sf)
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{
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unsigned char *dstBuf=NULL;
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int _hdrw=0, _hdrh=0, _hdrsubsamp=-1; double t;
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int scaledWidth=TJSCALED(w, sf);
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int scaledHeight=TJSCALED(h, sf);
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unsigned long dstSize=0;
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printf("JPEG -> %s %s ", pixFormatStr[pf],
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(flags&TJFLAG_BOTTOMUP)? "Bottom-Up":"Top-Down ");
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if(sf.num!=1 || sf.denom!=1)
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printf("%d/%d ... ", sf.num, sf.denom);
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else printf("... ");
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_tj(tjDecompressHeader2(handle, jpegBuf, jpegSize, &_hdrw, &_hdrh,
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&_hdrsubsamp));
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if(_hdrw!=w || _hdrh!=h || _hdrsubsamp!=subsamp)
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_throw("Incorrect JPEG header");
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dstSize=scaledWidth*scaledHeight*tjPixelSize[pf];
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if((dstBuf=(unsigned char *)malloc(dstSize))==NULL)
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_throw("Memory allocation failure");
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memset(dstBuf, 0, dstSize);
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t=gettime();
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_tj(tjDecompress2(handle, jpegBuf, jpegSize, dstBuf, scaledWidth, 0,
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scaledHeight, pf, flags));
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t=gettime()-t;
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if(checkBuf(dstBuf, scaledWidth, scaledHeight, pf, subsamp, sf, flags))
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printf("Passed.");
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else printf("FAILED!");
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printf(" %f ms\n", t*1000.);
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bailout:
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if(dstBuf) free(dstBuf);
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}
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void decompTest(tjhandle handle, unsigned char *jpegBuf,
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unsigned long jpegSize, int w, int h, int pf, char *basename, int subsamp,
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int flags)
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{
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int i, n=0;
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tjscalingfactor *sf=tjGetScalingFactors(&n), sf1={1, 1};
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if(!sf || !n) _throwtj();
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if((subsamp==TJSAMP_444 || subsamp==TJSAMP_GRAY))
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{
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for(i=0; i<n; i++)
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_decompTest(handle, jpegBuf, jpegSize, w, h, pf, basename, subsamp,
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flags, sf[i]);
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}
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else
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_decompTest(handle, jpegBuf, jpegSize, w, h, pf, basename, subsamp, flags,
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sf1);
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bailout:
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printf("\n");
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}
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void doTest(int w, int h, const int *formats, int nformats, int subsamp,
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char *basename)
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{
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tjhandle chandle=NULL, dhandle=NULL;
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unsigned char *dstBuf=NULL;
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unsigned long size=0; int pfi, pf, i;
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size=tjBufSize(w, h, subsamp);
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if((dstBuf=(unsigned char *)malloc(size))==NULL)
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_throw("Memory allocation failure.");
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if((chandle=tjInitCompress())==NULL || (dhandle=tjInitDecompress())==NULL)
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_throwtj();
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for(pfi=0; pfi<nformats; pfi++)
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{
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for(i=0; i<2; i++)
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{
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int flags=0;
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if(subsamp==TJSAMP_422 || subsamp==TJSAMP_420 || subsamp==TJSAMP_440)
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flags|=TJFLAG_FASTUPSAMPLE;
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if(i==1) flags|=TJFLAG_BOTTOMUP;
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pf=formats[pfi];
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compTest(chandle, &dstBuf, &size, w, h, pf, basename, subsamp, 100,
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flags);
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decompTest(dhandle, dstBuf, size, w, h, pf, basename, subsamp,
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flags);
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if(pf>=TJPF_RGBX && pf<=TJPF_XRGB)
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decompTest(dhandle, dstBuf, size, w, h, pf+(TJPF_RGBA-TJPF_RGBX),
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basename, subsamp, flags);
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}
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}
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bailout:
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if(chandle) tjDestroy(chandle);
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if(dhandle) tjDestroy(dhandle);
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if(dstBuf) free(dstBuf);
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}
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void bufSizeTest(void)
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{
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int w, h, i, subsamp;
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unsigned char *srcBuf=NULL, *jpegBuf=NULL;
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tjhandle handle=NULL;
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unsigned long jpegSize=0;
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if((handle=tjInitCompress())==NULL) _throwtj();
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printf("Buffer size regression test\n");
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for(subsamp=0; subsamp<TJ_NUMSAMP; subsamp++)
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{
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for(w=1; w<48; w++)
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{
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int maxh=(w==1)? 2048:48;
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for(h=1; h<maxh; h++)
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{
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if(h%100==0) printf("%.4d x %.4d\b\b\b\b\b\b\b\b\b\b\b", w, h);
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if((srcBuf=(unsigned char *)malloc(w*h*4))==NULL)
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_throw("Memory allocation failure");
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if((jpegBuf=(unsigned char *)malloc(tjBufSize(w, h, subsamp)))
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==NULL)
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_throw("Memory allocation failure");
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jpegSize=tjBufSize(w, h, subsamp);
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for(i=0; i<w*h*4; i++)
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{
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if(random()<RAND_MAX/2) srcBuf[i]=0;
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else srcBuf[i]=255;
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}
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_tj(tjCompress2(handle, srcBuf, w, 0, h, TJPF_BGRX, &jpegBuf,
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&jpegSize, subsamp, 100, 0));
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free(srcBuf); srcBuf=NULL;
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free(jpegBuf); jpegBuf=NULL;
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if((srcBuf=(unsigned char *)malloc(h*w*4))==NULL)
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_throw("Memory allocation failure");
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if((jpegBuf=(unsigned char *)malloc(tjBufSize(h, w, subsamp)))
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==NULL)
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_throw("Memory allocation failure");
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jpegSize=tjBufSize(h, w, subsamp);
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for(i=0; i<h*w*4; i++)
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{
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if(random()<RAND_MAX/2) srcBuf[i]=0;
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else srcBuf[i]=255;
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}
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_tj(tjCompress2(handle, srcBuf, h, 0, w, TJPF_BGRX, &jpegBuf,
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&jpegSize, subsamp, 100, 0));
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free(srcBuf); srcBuf=NULL;
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free(jpegBuf); jpegBuf=NULL;
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}
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}
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}
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printf("Done. \n");
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bailout:
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if(srcBuf) free(srcBuf);
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if(jpegBuf) free(jpegBuf);
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if(handle) tjDestroy(handle);
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}
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int main(int argc, char *argv[])
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{
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#ifdef _WIN32
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srand((unsigned int)time(NULL));
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#endif
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doTest(35, 39, _3byteFormats, 2, TJSAMP_444, "test");
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doTest(39, 41, _4byteFormats, 4, TJSAMP_444, "test");
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doTest(41, 35, _3byteFormats, 2, TJSAMP_422, "test");
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doTest(35, 39, _4byteFormats, 4, TJSAMP_422, "test");
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doTest(39, 41, _3byteFormats, 2, TJSAMP_420, "test");
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doTest(41, 35, _4byteFormats, 4, TJSAMP_420, "test");
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doTest(35, 39, _3byteFormats, 2, TJSAMP_440, "test");
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doTest(39, 41, _4byteFormats, 4, TJSAMP_440, "test");
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doTest(35, 39, _onlyGray, 1, TJSAMP_GRAY, "test");
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doTest(39, 41, _3byteFormats, 2, TJSAMP_GRAY, "test");
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doTest(41, 35, _4byteFormats, 4, TJSAMP_GRAY, "test");
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bufSizeTest();
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return exitStatus;
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}
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