Update libjpeg-turbo to 1.2.

jccolor.c

 /*
  * jccolor.c
  *
  * Copyright (C) 1991-1996, Thomas G. Lane.
  * Copyright 2009 Pierre Ossman <ossman@cendio.se> for Cendio AB
  * Copyright (C) 2009-2011, D. R. Commander.
  * This file is part of the Independent JPEG Group's software.
  * For conditions of distribution and use, see the accompanying README file.
  *
  * This file contains input colorspace conversion routines.
@@ skipping 207 matching lines @@
 rgb_ycc_convert (j_compress_ptr cinfo,
                  JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
                  JDIMENSION output_row, int num_rows)
 {
   switch (cinfo->in_color_space) {
     case JCS_EXT_RGB:
       extrgb_ycc_convert_internal(cinfo, input_buf, output_buf, output_row,
                                   num_rows);
       break;
     case JCS_EXT_RGBX:
+    case JCS_EXT_RGBA:
       extrgbx_ycc_convert_internal(cinfo, input_buf, output_buf, output_row,
                                    num_rows);
       break;
     case JCS_EXT_BGR:
       extbgr_ycc_convert_internal(cinfo, input_buf, output_buf, output_row,
                                   num_rows);
       break;
     case JCS_EXT_BGRX:
+    case JCS_EXT_BGRA:
       extbgrx_ycc_convert_internal(cinfo, input_buf, output_buf, output_row,
                                    num_rows);
       break;
     case JCS_EXT_XBGR:
+    case JCS_EXT_ABGR:
       extxbgr_ycc_convert_internal(cinfo, input_buf, output_buf, output_row,
                                    num_rows);
       break;
     case JCS_EXT_XRGB:
+    case JCS_EXT_ARGB:
       extxrgb_ycc_convert_internal(cinfo, input_buf, output_buf, output_row,
                                    num_rows);
       break;
     default:
       rgb_ycc_convert_internal(cinfo, input_buf, output_buf, output_row,
                                num_rows);
       break;
   }
 }
 
 
 /**************** Cases other than RGB -> YCbCr **************/
 
 
 /*
  * Convert some rows of samples to the JPEG colorspace.
  */
 
 METHODDEF(void)
 rgb_gray_convert (j_compress_ptr cinfo,
                   JSAMPARRAY input_buf, JSAMPIMAGE output_buf,
                   JDIMENSION output_row, int num_rows)
 {
   switch (cinfo->in_color_space) {
     case JCS_EXT_RGB:
       extrgb_gray_convert_internal(cinfo, input_buf, output_buf, output_row,
                                    num_rows);
       break;
     case JCS_EXT_RGBX:
+    case JCS_EXT_RGBA:
       extrgbx_gray_convert_internal(cinfo, input_buf, output_buf, output_row,
                                     num_rows);
       break;
     case JCS_EXT_BGR:
       extbgr_gray_convert_internal(cinfo, input_buf, output_buf, output_row,
                                    num_rows);
       break;
     case JCS_EXT_BGRX:
+    case JCS_EXT_BGRA:
       extbgrx_gray_convert_internal(cinfo, input_buf, output_buf, output_row,
                                     num_rows);
       break;
     case JCS_EXT_XBGR:
+    case JCS_EXT_ABGR:
       extxbgr_gray_convert_internal(cinfo, input_buf, output_buf, output_row,
                                     num_rows);
       break;
     case JCS_EXT_XRGB:
+    case JCS_EXT_ARGB:
       extxrgb_gray_convert_internal(cinfo, input_buf, output_buf, output_row,
                                     num_rows);
       break;
     default:
       rgb_gray_convert_internal(cinfo, input_buf, output_buf, output_row,
                                 num_rows);
       break;
   }
 }
 
@@ skipping 152 matching lines @@
       ERREXIT(cinfo, JERR_BAD_IN_COLORSPACE);
     break;
 
   case JCS_RGB:
   case JCS_EXT_RGB:
   case JCS_EXT_RGBX:
   case JCS_EXT_BGR:
   case JCS_EXT_BGRX:
   case JCS_EXT_XBGR:
   case JCS_EXT_XRGB:
+  case JCS_EXT_RGBA:
+  case JCS_EXT_BGRA:
+  case JCS_EXT_ABGR:
+  case JCS_EXT_ARGB:
     if (cinfo->input_components != rgb_pixelsize[cinfo->in_color_space])
       ERREXIT(cinfo, JERR_BAD_IN_COLORSPACE);
     break;
 
   case JCS_YCbCr:
     if (cinfo->input_components != 3)
       ERREXIT(cinfo, JERR_BAD_IN_COLORSPACE);
     break;
 
   case JCS_CMYK:
@@ skipping 14 matching lines @@
     if (cinfo->num_components != 1)
       ERREXIT(cinfo, JERR_BAD_J_COLORSPACE);
     if (cinfo->in_color_space == JCS_GRAYSCALE)
       cconvert->pub.color_convert = grayscale_convert;
     else if (cinfo->in_color_space == JCS_RGB ||
              cinfo->in_color_space == JCS_EXT_RGB ||
              cinfo->in_color_space == JCS_EXT_RGBX ||
              cinfo->in_color_space == JCS_EXT_BGR ||
              cinfo->in_color_space == JCS_EXT_BGRX ||
              cinfo->in_color_space == JCS_EXT_XBGR ||
-             cinfo->in_color_space == JCS_EXT_XRGB) {
+             cinfo->in_color_space == JCS_EXT_XRGB ||
+             cinfo->in_color_space == JCS_EXT_RGBA ||
+             cinfo->in_color_space == JCS_EXT_BGRA ||
+             cinfo->in_color_space == JCS_EXT_ABGR ||
+             cinfo->in_color_space == JCS_EXT_ARGB) {
       if (jsimd_can_rgb_gray())
         cconvert->pub.color_convert = jsimd_rgb_gray_convert;
       else {
         cconvert->pub.start_pass = rgb_ycc_start;
         cconvert->pub.color_convert = rgb_gray_convert;
       }
     } else if (cinfo->in_color_space == JCS_YCbCr)
       cconvert->pub.color_convert = grayscale_convert;
     else
       ERREXIT(cinfo, JERR_CONVERSION_NOTIMPL);
     break;
 
   case JCS_RGB:
   case JCS_EXT_RGB:
   case JCS_EXT_RGBX:
   case JCS_EXT_BGR:
   case JCS_EXT_BGRX:
   case JCS_EXT_XBGR:
   case JCS_EXT_XRGB:
+  case JCS_EXT_RGBA:
+  case JCS_EXT_BGRA:
+  case JCS_EXT_ABGR:
+  case JCS_EXT_ARGB:
     if (cinfo->num_components != 3)
       ERREXIT(cinfo, JERR_BAD_J_COLORSPACE);
     if (cinfo->in_color_space == cinfo->jpeg_color_space &&
       rgb_pixelsize[cinfo->in_color_space] == 3)
       cconvert->pub.color_convert = null_convert;
     else
       ERREXIT(cinfo, JERR_CONVERSION_NOTIMPL);
     break;
 
   case JCS_YCbCr:
     if (cinfo->num_components != 3)
       ERREXIT(cinfo, JERR_BAD_J_COLORSPACE);
     if (cinfo->in_color_space == JCS_RGB ||
         cinfo->in_color_space == JCS_EXT_RGB ||
         cinfo->in_color_space == JCS_EXT_RGBX ||
         cinfo->in_color_space == JCS_EXT_BGR ||
         cinfo->in_color_space == JCS_EXT_BGRX ||
         cinfo->in_color_space == JCS_EXT_XBGR ||
-        cinfo->in_color_space == JCS_EXT_XRGB) {
+        cinfo->in_color_space == JCS_EXT_XRGB ||
+        cinfo->in_color_space == JCS_EXT_RGBA ||
+        cinfo->in_color_space == JCS_EXT_BGRA ||
+        cinfo->in_color_space == JCS_EXT_ABGR ||
+        cinfo->in_color_space == JCS_EXT_ARGB) {
       if (jsimd_can_rgb_ycc())
         cconvert->pub.color_convert = jsimd_rgb_ycc_convert;
       else {
         cconvert->pub.start_pass = rgb_ycc_start;
         cconvert->pub.color_convert = rgb_ycc_convert;
       }
     } else if (cinfo->in_color_space == JCS_YCbCr)
       cconvert->pub.color_convert = null_convert;
     else
       ERREXIT(cinfo, JERR_CONVERSION_NOTIMPL);
@@ skipping 21 matching lines @@
     break;
 
   default:                      /* allow null conversion of JCS_UNKNOWN */
     if (cinfo->jpeg_color_space != cinfo->in_color_space ||
         cinfo->num_components != cinfo->input_components)
       ERREXIT(cinfo, JERR_CONVERSION_NOTIMPL);
     cconvert->pub.color_convert = null_convert;
     break;
   }
 }