[Live-devel] TR: Trick Play support on MPEG 4 Video Streams

[Ross Finlayson]

>Although it does not appear explicitly on your web site, do you 
>support Trick Play on H.264 AVC video streams?

Our RTSP server implementation supports 'trick play' when streaming 
from some (but not all) types of file.  What type of file are you 
interested in streaming from?  (Don't say "a H.264 file", because 
there's no such thing :-)

If you are interested in streaming from a MPEG Transport Stream file 
whose content is H.264 video (rather than the usual MPEG-2 video), 
then no, we do not currently support this.  The reason for this is 
that our 'trick play' (fast forward and reverse play) implementation 
works by selecting only video 'I-frames' from the Transport Stream 
file - and this currently assumes that the video is MPEG-2 only.

However, I will shortly be updating our MPEG Transport Stream index 
file/'trick play' support, so if you have an example of the type of 
file that you wish to support, then please put it on a web server and 
send us a link (URL) to it, so we can download it and use it in our 
testing.
-- 

Ross Finlayson
Live Networks, Inc.
http://www.live555.com/
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