[streaming] VOD/streaming at specific start time

[egf05 at doc.ic.ac.uk]

Hi,

I am trying to solve a particular streaming problem under Linux and would like
some advice about it.

The problem is simple: I would like to offer a video (MPEG4 with MP3 or Vorbis
audio) on streaming but at a particular start time. Moreover, I would like the
client to be able to navigate and possibly rewind from the start time. I have
several questions (note that I use the latest CVS version of Videolan under Linux)

1) I experimented files which support chaptering, such as matroska. Chaptering
works well in VLC client. However, when I offer the file in streaming (VOD/RTSP
or HTTP), the streaming information is not available in the client interface. Is
it possible to stream chaptering information? Would it work with OGM container
instead of Matroska ?


2) I tried VOD/RTSP streaming, with the telnet interface. I could use this
command on the telnet interface:

new video vod enabled
setup video input my_video.mkv
setup video option start-time=240

The stream starts correctly at the 4th minute. Unfortunately, on the client
side, the time slider starts at 00:00:00. Moreover, changing the slider leads to
problems of synchronisation/freezing, etc...


3) I tried HTTP streaming with:

vlc -vvv videofile.mkv@:3 --sout
'#standard{access=http,mux=ogg,dst=server.example.org:8080}'

The @:3 effectively starts at chapter 3. Unfortunately, on the client side,
there is no slider control for the time, and navigation info is also lost (not
available in the navigation menu).

Is there a good way to do it ? Ideally, I would like to do VOD/RTSP to give full
control on the client side, and/or also possibly retain chaptering from the
matroska container.


Thanks a lot for any suggestion,
Eric

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