Had it better that the first SR package is sent following
the first RTP package?
You mean "packet", not "package".
If so, the Client may know the relationship of server NTP time
and server RTP timestamp as quickly as possible
Actually, it would be even better if the first RTCP "SR" packet were
sent *before* the first RTP packet, for the reason you state. I
think the RTP specification allows this (for unicast streams, at
least), and so this is something we may end up doing someday.
(In any case, though, a client must always allow for some RTP packets
to be received before the first RTCP "SR" packet is received - i.e.,
before properly time-synchronized presentation times can be inferred
from the RTP packets.)
Ross Finlayson
Live Networks, Inc. (LIVE555.COM)
<http://www.live555.com/>
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