[vlc-devel] RTSP special commands in the interface using live555

Ivan Alen Fernandez ivan.alen at uclouvain.be
Thu Dec 17 00:01:29 CET 2009

Hello all,

I am using the latest versions of VLC as a client for RTSP communications.
In the server i am using the live555 media library.

I wanted to know how to send RTSP commands when some buttons are pressed
during the streaming. For example the button for fast reward/rewind that
in the latest versions of VLC doesnt have any functionality for RTSP

I have enabled the support of live555 libraries for VLC. My objective is
to send a RTSP command when the fast reward button is pressed. This
command only needs a tricky PLAY to trigger the switching of streams in
the server(it just needs to carry the temporal stamp of the streaming,
range NTP greater than 0). The server is already modified to react with
this command, from the player side, VLC, only this message is required to
enable the switching, i dont want to change anything else in the
configuration of VLC.

This feature was already working in the 0.8.6 version for MAC(when the
fast forward button was pressed, the speed of the streaming communication
was not increased but this command was sent always to the server side,
maybe an old bug???). I have read a lot of messages about fixing the
problems with RTSP tricky commands but it seems that this is not working
yet. Can anyone help to me?

Thanks a lot in advance

Best regards


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