gecko/media/libjpeg/mozilla.diff

--- jmorecfg.h	2012-01-27 00:46:32 -0500
+++ jmorecfg.h	2012-02-10 23:08:03 -0500
@@ -6,16 +6,17 @@
  * 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 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.
  */
 
+#include "mozilla/StandardInteger.h"
 
 /*
  * Define BITS_IN_JSAMPLE as either
  *   8   for 8-bit sample values (the usual setting)
  *   12  for 12-bit sample values
  * Only 8 and 12 are legal data precisions for lossy JPEG according to the
  * JPEG standard, and the IJG code does not support anything else!
  * We do not support run-time selection of data precision, sorry.
@@ -127,45 +128,29 @@ typedef char JOCTET;
  * They must be at least as wide as specified; but making them too big
  * won't cost a huge amount of memory, so we don't provide special
  * extraction code like we did for JSAMPLE.  (In other words, these
  * typedefs live at a different point on the speed/space tradeoff curve.)
  */
 
 /* UINT8 must hold at least the values 0..255. */
 
-#ifdef HAVE_UNSIGNED_CHAR
-typedef unsigned char UINT8;
-#else /* not HAVE_UNSIGNED_CHAR */
-#ifdef __CHAR_UNSIGNED__
-typedef char UINT8;
-#else /* not __CHAR_UNSIGNED__ */
-typedef short UINT8;
-#endif /* __CHAR_UNSIGNED__ */
-#endif /* HAVE_UNSIGNED_CHAR */
+typedef uint8_t UINT8;
 
 /* UINT16 must hold at least the values 0..65535. */
 
-#ifdef HAVE_UNSIGNED_SHORT
-typedef unsigned short UINT16;
-#else /* not HAVE_UNSIGNED_SHORT */
-typedef unsigned int UINT16;
-#endif /* HAVE_UNSIGNED_SHORT */
+typedef uint16_t UINT16;
 
 /* INT16 must hold at least the values -32768..32767. */
 
-#ifndef XMD_H			/* X11/xmd.h correctly defines INT16 */
-typedef short INT16;
-#endif
+typedef int16_t INT16;
 
 /* INT32 must hold at least signed 32-bit values. */
 
-#ifndef XMD_H			/* X11/xmd.h correctly defines INT32 */
-typedef long INT32;
-#endif
+typedef int32_t INT32;
 
 /* Datatype used for image dimensions.  The JPEG standard only supports
  * images up to 64K*64K due to 16-bit fields in SOF markers.  Therefore
  * "unsigned int" is sufficient on all machines.  However, if you need to
  * handle larger images and you don't mind deviating from the spec, you
  * can change this datatype.
  */
 
--- jchuff.c
+++ jchuff.c
@@ -16,18 +16,20 @@
  */
 
 #define JPEG_INTERNALS
 #include "jinclude.h"
 #include "jpeglib.h"
 #include "jchuff.h"		/* Declarations shared with jcphuff.c */
 #include <limits.h>
 
-static unsigned char jpeg_nbits_table[65536];
-static int jpeg_nbits_table_init = 0;
+static const unsigned char jpeg_nbits_table[65536] = {
+/* Number i needs jpeg_nbits_table[i] bits to be represented. */
+#include "jpeg_nbits_table.h"
+};
 
 #ifndef min
  #define min(a,b) ((a)<(b)?(a):(b))
 #endif
 
 
 /* Expanded entropy encoder object for Huffman encoding.
  *
@@ -265,25 +267,16 @@ jpeg_make_c_derived_tbl (j_compress_ptr 
 
   for (p = 0; p < lastp; p++) {
     i = htbl->huffval[p];
     if (i < 0 || i > maxsymbol || dtbl->ehufsi[i])
       ERREXIT(cinfo, JERR_BAD_HUFF_TABLE);
     dtbl->ehufco[i] = huffcode[p];
     dtbl->ehufsi[i] = huffsize[p];
   }
-
-  if(!jpeg_nbits_table_init) {
-    for(i = 0; i < 65536; i++) {
-      int nbits = 0, temp = i;
-      while (temp) {temp >>= 1;  nbits++;}
-      jpeg_nbits_table[i] = nbits;
-    }
-    jpeg_nbits_table_init = 1;
-  }
 }
 
 
 /* Outputting bytes to the file */
 
 /* Emit a byte, taking 'action' if must suspend. */
 #define emit_byte(state,val,action)  \
 	{ *(state)->next_output_byte++ = (JOCTET) (val);  \