Correct use of OSX to Mac OS X and properly format yasm providers on Mac OS X

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Doxyfile

@@ -859,7 +859,7 @@ HTML_DYNAMIC_SECTIONS  = NO
 
 # If the GENERATE_DOCSET tag is set to YES, additional index files
 # will be generated that can be used as input for Apple's Xcode 3
-# integrated development environment, introduced with OSX 10.5 (Leopard).
+# integrated development environment, introduced with OS X 10.5 (Leopard).
 # To create a documentation set, doxygen will generate a Makefile in the
 # HTML output directory. Running make will produce the docset in that
 # directory and running "make install" will install the docset in

doc/platform.texi

@@ -45,20 +45,21 @@ bash ./configure
 @end example
 
 @anchor{Darwin}
-@section Darwin (OSX, iPhone)
+@section Darwin (Mac OS X, iPhone)
 
 The toolchain provided with Xcode is sufficient to build the basic
 unacelerated code.
 
-OSX on PowerPC or ARM (iPhone) requires a preprocessor from
+Mac OS X on PowerPC or ARM (iPhone) requires a preprocessor from
 @url{http://github.com/yuvi/gas-preprocessor} to build the optimized
 assembler functions. Just download the Perl script and put it somewhere
 in your PATH, FFmpeg's configure will pick it up automatically.
 
-OSX 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.
+Mac OS X on amd64 and x86 requires @command{yasm} to build most of the
+optimized assembler functions. @uref{http://www.finkproject.org/, Fink},
+@uref{http://www.gentoo.org/proj/en/gentoo-alt/prefix/bootstrap-macos.xml, Gentoo Prefix},
+@uref{http://mxcl.github.com/homebrew/, Homebrew}
+or @uref{http://www.macports.org, MacPorts} can easily provide it.
 
 
 @chapter DOS

ffplay.c

@@ -2778,7 +2778,7 @@ static void toggle_full_screen(VideoState *is)
 {
     is_full_screen = !is_full_screen;
 #if defined(__APPLE__) && SDL_VERSION_ATLEAST(1, 2, 14)
-    /* OSX needs to reallocate the SDL overlays */
+    /* OS X needs to reallocate the SDL overlays */
     for (int i = 0; i < VIDEO_PICTURE_QUEUE_SIZE; i++) {
         is->pictq[i].reallocate = 1;
     }

libavutil/mem.c

@@ -86,7 +86,7 @@ void *av_malloc(size_t size)
     ptr = (char*)ptr + diff;
     ((char*)ptr)[-1]= diff;
 #elif HAVE_POSIX_MEMALIGN
-    if (size) //OSX on SDK 10.6 has a broken posix_memalign implementation
+    if (size) //OS X on SDK 10.6 has a broken posix_memalign implementation
     if (posix_memalign(&ptr,ALIGN,size))
         ptr = NULL;
 #elif HAVE_MEMALIGN