Adds libjpeg-turbo to deps...

third_party/libjpeg_turbo/jpegut.c

+/* Copyright (C)2004 Landmark Graphics Corporation
+ * Copyright (C)2005 Sun Microsystems, Inc.
+ * Copyright (C)2009 D. R. Commander
+ *
+ * This library is free software and may be redistributed and/or modified under
+ * the terms of the wxWindows Library License, Version 3.1 or (at your option)
+ * any later version.  The full license is in the LICENSE.txt file included
+ * with this distribution.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * wxWindows Library License for more details.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "./rrtimer.h"
+#include "./turbojpeg.h"
+
+#define _catch(f) {if((f)==-1) {printf("TJPEG: %s\n", tjGetErrorStr());  bailout();}}
+
+const char *_subnamel[NUMSUBOPT]={"4:4:4", "4:2:2", "4:2:0", "GRAY"};
+const char *_subnames[NUMSUBOPT]={"444", "422", "420", "GRAY"};
+
+int exitstatus=0;
+#define bailout() {exitstatus=-1;  goto finally;}
+
+int pixels[9][3]=
+{
+        {0, 255, 0},
+        {255, 0, 255},
+        {255, 255, 0},
+        {0, 0, 255},
+        {0, 255, 255},
+        {255, 0, 0},
+        {255, 255, 255},
+        {0, 0, 0},
+        {255, 0, 0}
+};
+
+void initbuf(unsigned char *buf, int w, int h, int ps, int flags)
+{
+        int roffset=(flags&TJ_BGR)?2:0, goffset=1, boffset=(flags&TJ_BGR)?0:2, i,
+                _i, j;
+        if(flags&TJ_ALPHAFIRST) {roffset++;  goffset++;  boffset++;}
+        memset(buf, 0, w*h*ps);
+        for(_i=0; _i<16; _i++)
+        {
+                if(flags&TJ_BOTTOMUP) i=h-_i-1;  else i=_i;
+                for(j=0; j<w; j++)
+                {
+                        buf[(w*i+j)*ps+roffset]=255;
+                        if(((_i/8)+(j/8))%2==0)
+                        {
+                                buf[(w*i+j)*ps+goffset]=255;
+                                buf[(w*i+j)*ps+boffset]=255;
+                        }
+                }
+        }
+        for(_i=16; _i<h; _i++)
+        {
+                if(flags&TJ_BOTTOMUP) i=h-_i-1;  else i=_i;
+                for(j=0; j<w; j++)
+                {
+                        if(((_i/8)+(j/8))%2!=0)
+                        {
+                                buf[(w*i+j)*ps+roffset]=255;
+                                buf[(w*i+j)*ps+goffset]=255;
+                        }
+                }
+        }
+}
+
+void dumpbuf(unsigned char *buf, int w, int h, int ps, int flags)
+{
+        int roffset=(flags&TJ_BGR)?2:0, goffset=1, boffset=(flags&TJ_BGR)?0:2, i,
+                j;
+        for(i=0; i<h; i++)
+        {
+                for(j=0; j<w; j++)
+                {
+                        printf("%.3d/%.3d/%.3d ", buf[(w*i+j)*ps+roffset],
+                                buf[(w*i+j)*ps+roffset], buf[(w*i+j)*ps+roffset]);
+                }
+                printf("\n");
+        }
+}
+
+int checkbuf(unsigned char *buf, int w, int h, int ps, int subsamp, int flags)
+{
+        int roffset=(flags&TJ_BGR)?2:0, goffset=1, boffset=(flags&TJ_BGR)?0:2, i,
+                _i, j;
+        if(flags&TJ_ALPHAFIRST) {roffset++;  goffset++;  boffset++;}
+        if(subsamp==TJ_GRAYSCALE)
+        {
+                for(_i=0; _i<16; _i++)
+                {
+                        if(flags&TJ_BOTTOMUP) i=h-_i-1;  else i=_i;
+                        for(j=0; j<w; j++)
+                        {
+                                unsigned char r=buf[(w*i+j)*ps+roffset],
+                                        g=buf[(w*i+j)*ps+goffset],
+                                        b=buf[(w*i+j)*ps+boffset];
+                                if(((_i/8)+(j/8))%2==0)
+                                {
+                                        if(r<253 || g<253 || b<253) return 0;
+                                }
+                                else
+                                {
+                                        if(r<74 || r>78 || g<74 || g>78 || b<74 || b>78) return 0;
+                                }
+                        }
+                }
+                for(_i=16; _i<h; _i++)
+                {
+                        if(flags&TJ_BOTTOMUP) i=h-_i-1;  else i=_i;
+                        for(j=0; j<w; j++)
+                        {
+                                unsigned char r=buf[(w*i+j)*ps+roffset],
+                                        g=buf[(w*i+j)*ps+goffset],
+                                        b=buf[(w*i+j)*ps+boffset];
+                                if(((_i/8)+(j/8))%2==0)
+                                {
+                                        if(r>2 || g>2 || b>2) return 0;
+                                }
+                                else
+                                {
+                                        if(r<224 || r>228 || g<224 || g>228 || b<224 || b>228) return 0;
+                                }
+                        }
+                }
+        }
+        else
+        {
+                for(_i=0; _i<16; _i++)
+                {
+                        if(flags&TJ_BOTTOMUP) i=h-_i-1;  else i=_i;
+                        for(j=0; j<w; j++)
+                        {
+                                if(buf[(w*i+j)*ps+roffset]<253) return 0;
+                                if(((_i/8)+(j/8))%2==0)
+                                {
+                                        if(buf[(w*i+j)*ps+goffset]<253) return 0;
+                                        if(buf[(w*i+j)*ps+boffset]<253) return 0;
+                                }
+                                else
+                                {
+                                        if(buf[(w*i+j)*ps+goffset]>2) return 0;
+                                        if(buf[(w*i+j)*ps+boffset]>2) return 0;
+                                }
+                        }
+                }
+                for(_i=16; _i<h; _i++)
+                {
+                        if(flags&TJ_BOTTOMUP) i=h-_i-1;  else i=_i;
+                        for(j=0; j<w; j++)
+                        {
+                                if(buf[(w*i+j)*ps+boffset]>2) return 0;
+                                if(((_i/8)+(j/8))%2==0)
+                                {
+                                        if(buf[(w*i+j)*ps+roffset]>2) return 0;
+                                        if(buf[(w*i+j)*ps+goffset]>2) return 0;
+                                }
+                                else
+                                {
+                                        if(buf[(w*i+j)*ps+roffset]<253) return 0;
+                                        if(buf[(w*i+j)*ps+goffset]<253) return 0;
+                                }
+                        }
+                }
+        }
+        return 1;
+}
+
+void writejpeg(unsigned char *jpegbuf, unsigned long jpgbufsize, char *filename)
+{
+        FILE *outfile=NULL;
+        if((outfile=fopen(filename, "wb"))==NULL)
+        {
+                printf("ERROR: Could not open %s for writing.\n", filename);
+                bailout();
+        }
+        if(fwrite(jpegbuf, jpgbufsize, 1, outfile)!=1)
+        {
+                printf("ERROR: Could not write to %s.\n", filename);
+                bailout();
+        }
+
+        finally:
+        if(outfile) fclose(outfile);
+}
+
+void gentestjpeg(tjhandle hnd, unsigned char *jpegbuf, unsigned long *size,
+        int w, int h, int ps, char *basefilename, int subsamp, int qual, int flags)
+{
+        char tempstr[1024];  unsigned char *bmpbuf=NULL;
+        const char *pixformat;  double t;
+
+        if(flags&TJ_BGR)
+        {
+                if(ps==3) pixformat="BGR";
+                else {if(flags&TJ_ALPHAFIRST) pixformat="ABGR";  else pixformat="BGRA";}
+        }
+        else
+        {
+                if(ps==3) pixformat="RGB";
+                else {if(flags&TJ_ALPHAFIRST) pixformat="ARGB";  else pixformat="RGBA";}
+        }
+        printf("%s %s -> %s Q%d ... ", pixformat,
+                (flags&TJ_BOTTOMUP)?"Bottom-Up":"Top-Down ", _subnamel[subsamp], qual);
+
+        if((bmpbuf=(unsigned char *)malloc(w*h*ps+1))==NULL)
+        {
+                printf("ERROR: Could not allocate buffer\n");  bailout();
+        }
+        initbuf(bmpbuf, w, h, ps, flags);
+        memset(jpegbuf, 0, TJBUFSIZE(w, h));
+
+        t=rrtime();
+        _catch(tjCompress(hnd, bmpbuf, w, 0, h, ps, jpegbuf, size, subsamp, qual, flags));
+        t=rrtime()-t;
+
+        sprintf(tempstr, "%s_enc_%s_%s_%sQ%d.jpg", basefilename, pixformat,
+                (flags&TJ_BOTTOMUP)? "BU":"TD", _subnames[subsamp], qual);
+        writejpeg(jpegbuf, *size, tempstr);
+        printf("Done.  %f ms\n  Result in %s\n", t*1000., tempstr);
+
+        finally:
+        if(bmpbuf) free(bmpbuf);
+}
+
+void gentestbmp(tjhandle hnd, unsigned char *jpegbuf, unsigned long jpegsize,
+        int w, int h, int ps, char *basefilename, int subsamp, int qual, int flags)
+{
+        unsigned char *bmpbuf=NULL;
+        const char *pixformat;  int _w=0, _h=0;  double t;
+
+        if(flags&TJ_BGR)
+        {
+                if(ps==3) pixformat="BGR";
+                else {if(flags&TJ_ALPHAFIRST) pixformat="ABGR";  else pixformat="BGRA";}
+        }
+        else
+        {
+                if(ps==3) pixformat="RGB";
+                else {if(flags&TJ_ALPHAFIRST) pixformat="ARGB";  else pixformat="RGBA";}
+        }
+        printf("JPEG -> %s %s ... ", pixformat, (flags&TJ_BOTTOMUP)?"Bottom-Up":"Top-Down ");
+
+        _catch(tjDecompressHeader(hnd, jpegbuf, jpegsize, &_w, &_h));
+        if(_w!=w || _h!=h)
+        {
+                printf("Incorrect JPEG header\n");  bailout();
+        }
+
+        if((bmpbuf=(unsigned char *)malloc(w*h*ps+1))==NULL)
+        {
+                printf("ERROR: Could not allocate buffer\n");  bailout();
+        }
+        memset(bmpbuf, 0, w*ps*h);
+
+        t=rrtime();
+        _catch(tjDecompress(hnd, jpegbuf, jpegsize, bmpbuf, w, w*ps, h, ps, flags));
+        t=rrtime()-t;
+
+        if(checkbuf(bmpbuf, w, h, ps, subsamp, flags)) printf("Passed.");
+        else {printf("FAILED!");  dumpbuf(bmpbuf, w, h, ps, flags);}
+
+        printf("  %f ms\n\n", t*1000.);
+
+        finally:
+        if(bmpbuf) free(bmpbuf);
+}
+
+void dotest(int w, int h, int ps, int subsamp, char *basefilename)
+{
+        tjhandle hnd=NULL, dhnd=NULL;  unsigned char *jpegbuf=NULL;
+        unsigned long size;
+
+        if((jpegbuf=(unsigned char *)malloc(TJBUFSIZE(w, h))) == NULL)
+        {
+                puts("ERROR: Could not allocate buffer.");  bailout();
+        }
+
+        if((hnd=tjInitCompress())==NULL)
+                {printf("Error in tjInitCompress():\n%s\n", tjGetErrorStr());  bailout();}
+        if((dhnd=tjInitDecompress())==NULL)
+                {printf("Error in tjInitDecompress():\n%s\n", tjGetErrorStr());  bailout();}
+
+        gentestjpeg(hnd, jpegbuf, &size, w, h, ps, basefilename, subsamp, 100, 0);
+        gentestbmp(dhnd, jpegbuf, size, w, h, ps, basefilename, subsamp, 100, 0);
+
+        gentestjpeg(hnd, jpegbuf, &size, w, h, ps, basefilename, subsamp, 100, TJ_BGR);
+        gentestbmp(dhnd, jpegbuf, size, w, h, ps, basefilename, subsamp, 100, TJ_BGR);
+
+        gentestjpeg(hnd, jpegbuf, &size, w, h, ps, basefilename, subsamp, 100, TJ_BOTTOMUP);
+        gentestbmp(dhnd, jpegbuf, size, w, h, ps, basefilename, subsamp, 100, TJ_BOTTOMUP);
+
+        gentestjpeg(hnd, jpegbuf, &size, w, h, ps, basefilename, subsamp, 100, TJ_BGR|TJ_BOTTOMUP);
+        gentestbmp(dhnd, jpegbuf, size, w, h, ps, basefilename, subsamp, 100, TJ_BGR|TJ_BOTTOMUP);
+
+        if(ps==4)
+        {
+                gentestjpeg(hnd, jpegbuf, &size, w, h, ps, basefilename, subsamp, 100, TJ_ALPHAFIRST);
+                gentestbmp(dhnd, jpegbuf, size, w, h, ps, basefilename, subsamp, 100, TJ_ALPHAFIRST);
+
+                gentestjpeg(hnd, jpegbuf, &size, w, h, ps, basefilename, subsamp, 100, TJ_ALPHAFIRST|TJ_BGR);
+                gentestbmp(dhnd, jpegbuf, size, w, h, ps, basefilename, subsamp, 100, TJ_ALPHAFIRST|TJ_BGR);
+
+                gentestjpeg(hnd, jpegbuf, &size, w, h, ps, basefilename, subsamp, 100, TJ_ALPHAFIRST|TJ_BOTTOMUP);
+                gentestbmp(dhnd, jpegbuf, size, w, h, ps, basefilename, subsamp, 100, TJ_ALPHAFIRST|TJ_BOTTOMUP);
+
+                gentestjpeg(hnd, jpegbuf, &size, w, h, ps, basefilename, subsamp, 100, TJ_ALPHAFIRST|TJ_BGR|TJ_BOTTOMUP);
+                gentestbmp(dhnd, jpegbuf, size, w, h, ps, basefilename, subsamp, 100, TJ_ALPHAFIRST|TJ_BGR|TJ_BOTTOMUP);
+        }
+
+        finally:
+        if(hnd) tjDestroy(hnd);
+        if(dhnd) tjDestroy(dhnd);
+
+        if(jpegbuf) free(jpegbuf);
+}
+
+#define MAXLENGTH 2048
+
+void dotest1(void)
+{
+        int i, j, i2;  unsigned char *bmpbuf=NULL, *jpgbuf=NULL;
+        tjhandle hnd=NULL;  unsigned long size;
+        if((hnd=tjInitCompress())==NULL)
+                {printf("Error in tjInitCompress():\n%s\n", tjGetErrorStr());  bailout();}
+        printf("Buffer size regression test\n");
+        for(j=1; j<48; j++)
+        {
+                for(i=1; i<(j==1?MAXLENGTH:48); i++)
+                {
+                        if(i%100==0) printf("%.4d x %.4d\b\b\b\b\b\b\b\b\b\b\b", i, j);
+                        if((bmpbuf=(unsigned char *)malloc(i*j*4))==NULL
+                        || (jpgbuf=(unsigned char *)malloc(TJBUFSIZE(i, j)))==NULL)
+                        {
+                                printf("Memory allocation failure\n");  bailout();
+                        }
+                        memset(bmpbuf, 0, i*j*4);
+                        for(i2=0; i2<i*j; i2++)
+                        {
+                                bmpbuf[i2*4]=pixels[i2%9][2];
+                                bmpbuf[i2*4+1]=pixels[i2%9][1];
+                                bmpbuf[i2*2+2]=pixels[i2%9][0];
+                        }
+                        _catch(tjCompress(hnd, bmpbuf, i, i*4, j, 4,
+                                jpgbuf, &size, TJ_444, 100, TJ_BGR));
+                        free(bmpbuf);  bmpbuf=NULL;  free(jpgbuf);  jpgbuf=NULL;
+
+                        if((bmpbuf=(unsigned char *)malloc(j*i*4))==NULL
+                        || (jpgbuf=(unsigned char *)malloc(TJBUFSIZE(j, i)))==NULL)
+                        {
+                                printf("Memory allocation failure\n");  bailout();
+                        }
+                        for(i2=0; i2<j*i*4; i2++)
+                        {
+                                if(i2%2==0) bmpbuf[i2]=0xFF;
+                                else bmpbuf[i2]=0;
+                        }
+                        _catch(tjCompress(hnd, bmpbuf, j, j*4, i, 4,
+                                jpgbuf, &size, TJ_444, 100, TJ_BGR));
+                        free(bmpbuf);  bmpbuf=NULL;  free(jpgbuf);  jpgbuf=NULL;
+                }
+        }
+        printf("Done.      \n");
+
+        finally:
+        if(bmpbuf) free(bmpbuf);  if(jpgbuf) free(jpgbuf);
+        if(hnd) tjDestroy(hnd);
+}
+
+int main(int argc, char *argv[])
+{
+        dotest(35, 41, 3, TJ_444, "test");
+        dotest(35, 41, 4, TJ_444, "test");
+        dotest(35, 41, 3, TJ_GRAYSCALE, "test");
+        dotest(35, 41, 4, TJ_GRAYSCALE, "test");
+        dotest1();
+
+        return exitstatus;
+}