[FFmpeg-cvslog] doc: Clarify the avconv section about -re

[Martin Storsjö]

ffmpeg | branch: master | Martin Storsjö <martin at martin.st> | Sat Aug 10 12:13:08 2013 +0300| [205a4502d3da9de2db75d2c965c9d065574e9266] | committer: Martin Storsjö

doc: Clarify the avconv section about -re

Signed-off-by: Martin Storsjö <martin at martin.st>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=205a4502d3da9de2db75d2c965c9d065574e9266
---

 doc/avconv.texi |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/doc/avconv.texi b/doc/avconv.texi
index 7e9b77e..d137fe2 100644
--- a/doc/avconv.texi
+++ b/doc/avconv.texi
@@ -719,7 +719,10 @@ Dump each input packet to stderr.
 @item -hex (@emph{global})
 When dumping packets, also dump the payload.
 @item -re (@emph{input})
-Read input at native frame rate. Mainly used to simulate a grab device.
+Read input at native frame rate. Mainly used to simulate a grab device
+or live input stream (e.g. when reading from a file). Should not be used
+with actual grab devices or live input streams (where it can cause packet
+loss).
 @item -vsync @var{parameter}
 Video sync method.