[Live-devel] MPEG2TransportStream time/position info

[Ross Finlayson]

>I would like to know how I can use the PresentationTime and
>PacketDurationEstimate to compute the time info from the start
>of the stream. The intent is determine the time lapsed since the
>stream started playing.

This information is obtained from PCR timestamps that appear in the 
MPEG Transport Data itself.  It is also present in the Presentation 
Times that are carried by RTP, but most receiving ciients, when 
decoding Transport Stream data, will use the PCR timestamps instead.
-- 

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