Multimedia scheduler

Details Multimedia scheduler Multimedia scheduler

2003-12-12

2008-08-12

Won, Michael (Department: 2155)

Electrical computers and digital processing systems: multicomput

Computer-to-computer protocol implementing

Computer-to-computer data streaming

C709S201000, C709S226000, C709S227000, C709S232000, C370S264000, C370S322000, C370S329000, C370S341000, C370S348000, C370S431000, C715S963000, C725S097000

Reexamination Certificate

active

07412532

ABSTRACT:
A song and ad scheduler supporting clip-based and stream-based scheduling of multimedia items generates several hours of schedule in advance. Having multiple channel capability, the scheduler uses as inputs: the channel, associated playlists associated, rotation pattern for the channel, and associated programming rules to produce a schedule of multimedia items for the channel. Initially, the scheduler produces a schedule for each channel of predetermined length; then it periodically revisits the channel to add more songs, keeping the schedule to the desired length. Length of the initial playlist is configurable. The scheduler uses a producer-consumer model for distributing work. Producer threads periodically scan the system for work to be done. When a producer thread encounters work to be done, e.g. adding to the schedule of a channel, the producer thread places a work request into a queue. Worker threads consume the work requests by fulfilling the requested work.

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