Update libjpeg-turbo to 1.2.

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 47 matching lines @@
 #define _throw(m) {printf("ERROR: %s\n", m);  bailout();}
 
 const char *subNameLong[TJ_NUMSAMP]=
 {
         "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"
+        "RGB", "BGR", "RGBX", "BGRX", "XBGR", "XRGB", "Grayscale",
+        "RGBA", "BGRA", "ABGR", "ARGB"
 };
 
-const int alphaOffset[TJ_NUMPF] = {-1, -1, 3, 3, 0, 0, -1};
+const int alphaOffset[TJ_NUMPF] = {-1, -1, -1, -1, -1, -1, -1, 3, 3, 0, 0};
 
 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 yuv=0, alloc=0, alpha=0;
 
 int exitStatus=0;
 #define bailout() {exitStatus=-1;  goto bailout;}
 
 
 void initBuf(unsigned char *buf, int w, int h, int pf, int flags)
 {
         int roffset=tjRedOffset[pf];
         int goffset=tjGreenOffset[pf];
         int boffset=tjBlueOffset[pf];
@@ skipping 414 matching lines @@
                         if(i==1)
                         {
                                 if(yuv==YUVDECODE) goto bailout;
                                 else flags|=TJFLAG_BOTTOMUP;
                         }
                         pf=formats[pfi];
                         compTest(chandle, &dstBuf, &size, w, h, pf, basename, subsamp, 100,
                                 flags);
                         decompTest(dhandle, dstBuf, size, w, h, pf, basename, subsamp,
                                 flags);
+                        if(pf>=TJPF_RGBX && pf<=TJPF_XRGB)
+                                decompTest(dhandle, dstBuf, size, w, h, pf+(TJPF_RGBA-TJPF_RGBX),
+                                        basename, subsamp, flags);
                 }
         }
 
         bailout:
         if(chandle) tjDestroy(chandle);
         if(dhandle) tjDestroy(dhandle);
 
         if(dstBuf) tjFree(dstBuf);
 }
 
@@ skipping 114 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;
 }