Appeal No. 1997-1874
Application No. 08/134,025
and playing two related data streams of a first multicast
channel from a media services manager. A client application
informs the media services manager of selection of a second
multicast channel to replace the selection of the first
multicast channel, and the media services manager
automatically loads and opens media service providers for data
streams of the second channel not part of the first channel
and automatically closes and unloads media service providers
for data streams of the first channel not part of the second
channel. Claim 1 is illustrative of the claimed invention,
and it reads as follows:
1. A client for a network-based multicast system,
comprising:
(a) a media services manager for receiving a first
multicast channel from a non-isochronous network, wherein the
first multicast channel comprises at least two related data
streams;
(b) at least two media service providers for receiving
and playing said related data streams from said media services
manager; and
(c) a client application for informing the media
services manager of selection of the first multicast channel,
wherein:
the media services manager loads and opens one of the
media service providers for each related data stream of the
first multicast channel;
2
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