Fix a bunch of platform name and other typos.

configure

@@ -239,7 +239,7 @@ Advanced options (experts only):
   --disable-armvfp         disable ARM VFP optimizations
   --disable-iwmmxt         disable iwmmxt optimizations
   --disable-mmi            disable MMI optimizations
-  --disable-neon           disable neon optimizations
+  --disable-neon           disable NEON optimizations
   --disable-vis            disable VIS optimizations
   --disable-yasm           disable use of yasm assembler
   --enable-pic             build position-independent code

doc/platform.texi

@@ -55,7 +55,7 @@ OSX on PowerPC or ARM (iPhone) requires a preprocessor from
 assembler functions. Just download the Perl script and put it somewhere
 in your PATH, Libav's configure will pick it up automatically.
 
-OSX on amd64 and x86 requires @command{yasm} to build most of the
+OS X on AMD64 and x86 requires @command{yasm} to build most of the
 optimized assembler functions @url{http://mxcl.github.com/homebrew/, Homebrew},
 @url{http://www.gentoo.org/proj/en/gentoo-alt/prefix/bootstrap-macos.xml, Gentoo Prefix}
 or @url{http://www.macports.org, MacPorts} can easily provide it.

libavcodec/error_resilience.c

@@ -50,7 +50,7 @@ static void decode_mb(MpegEncContext *s, int ref){
         h->mb_xy= s->mb_x + s->mb_y*s->mb_stride;
         memset(h->non_zero_count_cache, 0, sizeof(h->non_zero_count_cache));
         assert(ref>=0);
-        /* FIXME: It is posible albeit uncommon that slice references
+        /* FIXME: It is possible albeit uncommon that slice references
          * differ between slices. We take the easy approach and ignore
          * it for now. If this turns out to have any relevance in
          * practice then correct remapping should be added. */

libavcodec/msrle.c

@@ -1,5 +1,5 @@
 /*
- * Micrsoft RLE Video Decoder
+ * Microsoft RLE video decoder
  * Copyright (C) 2003 the ffmpeg project
  *
  * This file is part of Libav.
@@ -21,7 +21,7 @@
 
 /**
  * @file
- * MS RLE Video Decoder by Mike Melanson (melanson@pcisys.net)
+ * MS RLE video decoder by Mike Melanson (melanson@pcisys.net)
  * For more information about the MS RLE format, visit:
  *   http://www.pcisys.net/~melanson/codecs/
  *

tools/patcheck

@@ -67,7 +67,7 @@ $EGREP $OPT '^\+ *(const *|)static' $*| $EGREP --color=always '[^=]= *(0|NULL)[^
 cat $TMP
 hiegrep '# *ifdef * (HAVE|CONFIG)_' 'ifdefs that should be #if' $*
 
-hiegrep '\b(awnser|cant|dont|wont|usefull|successfull|occured|teh|alot|wether|skiped|heigth|informations|colums|loosy|loosing|seperate|preceed|upto|paket)\b' 'common typos' $*
+hiegrep '\b(awnser|cant|dont|wont|usefull|successfull|occured|teh|alot|wether|skiped|heigth|informations|colums|loosy|loosing|seperate|preceed|upto|paket|posible)\b' 'common typos' $*
 
 hiegrep 'av_log\( *NULL' 'Missing context in av_log' $*
 hiegrep '[^sn]printf' 'Please use av_log' $*