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    • 1. 发明授权
    • Method and apparatus for synchronization and scheduling of multiple data streams and real time tasks
    • 用于同步和调度多个数据流和实时任务的方法和装置
    • US06195701B1
    • 2001-02-27
    • US08682523
    • 1996-07-25
    • Matthias KaiserswerthErich Ruetsche
    • Matthias KaiserswerthErich Ruetsche
    • G06F1516
    • G06F17/30017H04J3/0632
    • The present invention concerns a method and an apparatus for the synchronization and the scheduling of multiple data streams and real time tasks. In accordance with the present invention, pointers pointing to the information streams to be synchronized and processed are kept in the table (51) of a selector (11). The time marks (S1Start etc.) of said information streams are stored in a table (61) of a timer. The system time is checked against said time marks and if a time mark has been reached, the table (51) of said selector (11) is updated. If the status of an information stream is such that its trigger condition is fulfilled, the pointer to said information stream is made available at the output of the selector (11). This pointer is then used to retrieve the respective information stream and to forward it to a playout device.
    • 本发明涉及用于同步和调度多个数据流和实时任务的方法和装置。 根据本发明,指向要同步和处理的信息流的指针被保存在选择器(11)的表(51)中。 所述信息流的时间标记(S1开始等)被存储在定时器的表格(61)中。 根据所述时间标记检查系统时间,并且如果已经达到时间标记,则更新所述选择器(11)的表(51)。 如果信息流的状态使得其触发条件得到满足,则在所述选择器(11)的输出处使得指向所述信息流的指针是可用的。 然后,该指针用于检索相应的信息流并将其转发到播出设备。