Add support for decoding to 565 to libjpeg_turbo

jmorecfg.h

Index: jmorecfg.h
diff --git a/jmorecfg.h b/jmorecfg.h
index e9d8d54a12016f9d22702adadc20068b61d16141..8e512eb6b7020291dde7442db381317273ccccc3 100644
--- a/jmorecfg.h
+++ b/jmorecfg.h
@@ -4,7 +4,7 @@
  * 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
@@ -323,7 +323,7 @@ typedef int boolean;
 #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
@@ -358,25 +358,29 @@ typedef int boolean;
 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. */