Update libjpeg-turbo to r722.

tjunittest.c

 /*
  * Copyright (C)2009-2011 D. R. Commander.  All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  * - Redistributions of source code must retain the above copyright notice,
  *   this list of conditions and the following disclaimer.
  * - Redistributions in binary form must reproduce the above copyright notice,
  *   this list of conditions and the following disclaimer in the documentation
@@ skipping 50 matching lines @@
 {
         "4:4:4", "4:2:2", "4:2:0", "GRAY", "4:4:0"
 };
 const char *subName[TJ_NUMSAMP]={"444", "422", "420", "GRAY", "440"};
 
 const char *pixFormatStr[TJ_NUMPF]=
 {
         "RGB", "BGR", "RGBX", "BGRX", "XBGR", "XRGB", "Grayscale"
 };
 
+const int alphaOffset[TJ_NUMPF] = {-1, -1, 3, 3, 0, 0, -1};
+
 const int _3byteFormats[]={TJPF_RGB, TJPF_BGR};
 const int _4byteFormats[]={TJPF_RGBX, TJPF_BGRX, TJPF_XBGR, TJPF_XRGB};
 const int _onlyGray[]={TJPF_GRAY};
 const int _onlyRGB[]={TJPF_RGB};
 
 enum {YUVENCODE=1, YUVDECODE};
 int yuv=0, alloc=0;
 
 int exitStatus=0;
 #define bailout() {exitStatus=-1;  goto bailout;}
@@ skipping 68 matching lines @@
                 retval=0;  exitStatus=-1;  goto bailout; \
         }}
 
 
 int checkBuf(unsigned char *buf, int w, int h, int pf, int subsamp,
         tjscalingfactor sf, int flags)
 {
         int roffset=tjRedOffset[pf];
         int goffset=tjGreenOffset[pf];
         int boffset=tjBlueOffset[pf];
+        int aoffset=alphaOffset[pf];
         int ps=tjPixelSize[pf];
         int index, row, col, retval=1;
         int halfway=16*sf.num/sf.denom;
         int blocksize=8*sf.num/sf.denom;
 
         for(row=0; row<h; row++)
         {
                 for(col=0; col<w; col++)
                 {
-                        unsigned char r, g, b;
+                        unsigned char r, g, b, a;
                         if(flags&TJFLAG_BOTTOMUP) index=(h-row-1)*w+col;
                         else index=row*w+col;
                         r=buf[index*ps+roffset];
                         g=buf[index*ps+goffset];
                         b=buf[index*ps+boffset];
+                        a=aoffset>=0? buf[index*ps+aoffset]:0xFF;
                         if(((row/blocksize)+(col/blocksize))%2==0)
                         {
                                 if(row<halfway)
                                 {
                                         checkval255(r);  checkval255(g);  checkval255(b);
                                 }
                                 else
                                 {
                                         checkval0(r);  checkval0(g);  checkval0(b);
                                 }
@@ skipping 16 matching lines @@
                                         if(row<halfway)
                                         {
                                                 checkval255(r);  checkval0(g);  checkval0(b);
                                         }
                                         else
                                         {
                                                 checkval255(r);  checkval255(g);  checkval0(b);
                                         }
                                 }
                         }
+                        checkval255(a);
                 }
         }
 
         bailout:
         if(retval==0)
         {
                 printf("\n");
                 for(row=0; row<h; row++)
                 {
                         for(col=0; col<w; col++)
@@ skipping 413 matching lines @@
                 doTest(48, 48, _onlyRGB, 1, TJSAMP_440, "test_yuv0");
                 doTest(35, 39, _onlyRGB, 1, TJSAMP_440, "test_yuv1");
                 doTest(48, 48, _onlyRGB, 1, TJSAMP_GRAY, "test_yuv0");
                 doTest(35, 39, _onlyRGB, 1, TJSAMP_GRAY, "test_yuv1");
                 doTest(48, 48, _onlyGray, 1, TJSAMP_GRAY, "test_yuv0");
                 doTest(39, 41, _onlyGray, 1, TJSAMP_GRAY, "test_yuv1");
         }
 
         return exitStatus;
 }