Add support for decoding to 565 to libjpeg_turbo

jmorecfg.h

 /*
  * jmorecfg.h
  *
  * This file was part of the Independent JPEG Group's software:
  * Copyright (C) 1991-1997, Thomas G. Lane.
  * Modifications:
- * Copyright (C) 2009, 2011, D. R. Commander.
+ * Copyright (C) 2009, 2011, 2014, D. R. Commander.
  * For conditions of distribution and use, see the accompanying README file.
  *
  * This file contains additional configuration options that customize the
  * JPEG software for special applications or support machine-dependent
  * optimizations.  Most users will not need to touch this file.
  */
 
 
 /*
  * Define BITS_IN_JSAMPLE as either
@@ skipping 298 matching lines @@
  * 3. The color quantizer modules will not behave desirably if RGB_PIXELSIZE
  *    is not 3 (they don't understand about dummy color components!).  So you
  *    can't use color quantization if you change that value.
  */
 
 #define RGB_RED         0       /* Offset of Red in an RGB scanline element */
 #define RGB_GREEN       1       /* Offset of Green */
 #define RGB_BLUE        2       /* Offset of Blue */
 #define RGB_PIXELSIZE   3       /* JSAMPLEs per RGB scanline element */
 
-#define JPEG_NUMCS 16
+#define JPEG_NUMCS 17
 
 #define EXT_RGB_RED        0
 #define EXT_RGB_GREEN      1
 #define EXT_RGB_BLUE       2
 #define EXT_RGB_PIXELSIZE  3
 
 #define EXT_RGBX_RED       0
 #define EXT_RGBX_GREEN     1
 #define EXT_RGBX_BLUE      2
 #define EXT_RGBX_PIXELSIZE 4
@@ skipping 14 matching lines @@
 #define EXT_XBGR_PIXELSIZE 4
 
 #define EXT_XRGB_RED       1
 #define EXT_XRGB_GREEN     2
 #define EXT_XRGB_BLUE      3
 #define EXT_XRGB_PIXELSIZE 4
 
 static const int rgb_red[JPEG_NUMCS] = {
   -1, -1, RGB_RED, -1, -1, -1, EXT_RGB_RED, EXT_RGBX_RED,
   EXT_BGR_RED, EXT_BGRX_RED, EXT_XBGR_RED, EXT_XRGB_RED,
-  EXT_RGBX_RED, EXT_BGRX_RED, EXT_XBGR_RED, EXT_XRGB_RED
+  EXT_RGBX_RED, EXT_BGRX_RED, EXT_XBGR_RED, EXT_XRGB_RED,
+  -1
 };
 
 static const int rgb_green[JPEG_NUMCS] = {
   -1, -1, RGB_GREEN, -1, -1, -1, EXT_RGB_GREEN, EXT_RGBX_GREEN,
   EXT_BGR_GREEN, EXT_BGRX_GREEN, EXT_XBGR_GREEN, EXT_XRGB_GREEN,
-  EXT_RGBX_GREEN, EXT_BGRX_GREEN, EXT_XBGR_GREEN, EXT_XRGB_GREEN
+  EXT_RGBX_GREEN, EXT_BGRX_GREEN, EXT_XBGR_GREEN, EXT_XRGB_GREEN,
+  -1
 };
 
 static const int rgb_blue[JPEG_NUMCS] = {
   -1, -1, RGB_BLUE, -1, -1, -1, EXT_RGB_BLUE, EXT_RGBX_BLUE,
   EXT_BGR_BLUE, EXT_BGRX_BLUE, EXT_XBGR_BLUE, EXT_XRGB_BLUE,
-  EXT_RGBX_BLUE, EXT_BGRX_BLUE, EXT_XBGR_BLUE, EXT_XRGB_BLUE
+  EXT_RGBX_BLUE, EXT_BGRX_BLUE, EXT_XBGR_BLUE, EXT_XRGB_BLUE,
+  -1
 };
 
 static const int rgb_pixelsize[JPEG_NUMCS] = {
   -1, -1, RGB_PIXELSIZE, -1, -1, -1, EXT_RGB_PIXELSIZE, EXT_RGBX_PIXELSIZE,
   EXT_BGR_PIXELSIZE, EXT_BGRX_PIXELSIZE, EXT_XBGR_PIXELSIZE, EXT_XRGB_PIXELSIZE,
-  EXT_RGBX_PIXELSIZE, EXT_BGRX_PIXELSIZE, EXT_XBGR_PIXELSIZE, EXT_XRGB_PIXELSIZE
+  EXT_RGBX_PIXELSIZE, EXT_BGRX_PIXELSIZE, EXT_XBGR_PIXELSIZE, EXT_XRGB_PIXELSIZE,
+  -1
 };
 
 /* Definitions for speed-related optimizations. */
 
 /* On some machines (notably 68000 series) "int" is 32 bits, but multiplying
  * two 16-bit shorts is faster than multiplying two ints.  Define MULTIPLIER
  * as short on such a machine.  MULTIPLIER must be at least 16 bits wide.
  */
 
 #ifndef MULTIPLIER
@@ skipping 15 matching lines @@
 
 #ifndef FAST_FLOAT
 #ifdef HAVE_PROTOTYPES
 #define FAST_FLOAT  float
 #else
 #define FAST_FLOAT  double
 #endif
 #endif
 
 #endif /* JPEG_INTERNAL_OPTIONS */