[FFmpeg-cvslog] doc/protocols: explain tcp listen option description

[Lingjiang Fang]

ffmpeg | branch: master | Lingjiang Fang <vacingfang at foxmail.com> | Sat Jan  2 19:37:34 2021 +0800| [c4407a3e00033c7dd2260a3203fd5a5f104737b9] | committer: Marton Balint

doc/protocols: explain tcp listen option description

Signed-off-by: Marton Balint <cus at passwd.hu>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=c4407a3e00033c7dd2260a3203fd5a5f104737b9
---

 doc/protocols.texi | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/doc/protocols.texi b/doc/protocols.texi
index af887761e9..c0b511b7a4 100644
--- a/doc/protocols.texi
+++ b/doc/protocols.texi
@@ -1652,8 +1652,9 @@ tcp://@var{hostname}:@var{port}[?@var{options}]
 The list of supported options follows.
 
 @table @option
- at item listen=@var{1|0}
-Listen for an incoming connection. Default value is 0.
+ at item listen=@var{2|1|0}
+Listen for an incoming connection. 0 disables listen, 1 enables listen in
+single client mode, 2 enables listen in multi-client mode. Default value is 0.
 
 @item timeout=@var{microseconds}
 Set raise error timeout, expressed in microseconds.