[FFmpeg-cvslog] doc/ffmpeg: extend documentation for -(no)stdin option

[Stefano Sabatini]

ffmpeg | branch: master | Stefano Sabatini <stefasab at gmail.com> | Tue Aug 21 01:42:47 2012 +0200| [10c3329627262044b902cb2bef1f265f31b772d9] | committer: Stefano Sabatini

doc/ffmpeg: extend documentation for -(no)stdin option

Fix trac ticket #1665.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=10c3329627262044b902cb2bef1f265f31b772d9
---

 doc/ffmpeg.texi |   10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/doc/ffmpeg.texi b/doc/ffmpeg.texi
index ec8bed3..49d2c0e 100644
--- a/doc/ffmpeg.texi
+++ b/doc/ffmpeg.texi
@@ -363,11 +363,13 @@ progress information is always "progress".
 
 @item -stdin
 Enable interaction on standard input. On by default unless standard input is
-used as an input.
+used as an input. To explicitly disable interaction you need to specify
+ at code{-nostdin}.
 
-Useful, for example, if ffmpeg is in the background process group. Roughly
-the same result can be achieved with @code{ffmpeg ... < /dev/null} but it
-requires a shell.
+Disabling interaction on standard input is useful, for example, if
+ffmpeg is in the background process group. Roughly the same result can
+be achieved with @code{ffmpeg ... < /dev/null} but it requires a
+shell.
 
 @item -debug_ts (@emph{global})
 Print timestamp information. It is off by default. This option is