ffmpeg roll of source to mar 9 version...

patched-ffmpeg-mt/doc/ffmpeg-doc.texi

Index: patched-ffmpeg-mt/doc/ffmpeg-doc.texi
===================================================================
--- patched-ffmpeg-mt/doc/ffmpeg-doc.texi	(revision 41250)
+++ patched-ffmpeg-mt/doc/ffmpeg-doc.texi	(working copy)
@@ -222,10 +222,12 @@
 @c man end
 
 @c man begin OPTIONS
+
+@include fftools-common-opts.texi
+
 @section Main options
 
 @table @option
-@include fftools-common-opts.texi
 
 @item -f @var{fmt}
 Force format.
@@ -732,7 +734,10 @@
 @item -debug
 Print specific debug info.
 @item -benchmark
-Add timings for benchmarking.
+Show benchmarking information at the end of an encode.
+Shows CPU time used and maximum memory consumption.
+Maximum memory consumption is not supported on all systems,
+it will usually display as 0 if not supported.
 @item -dump
 Dump each input packet.
 @item -hex