ts stream demultiplexing method
A demultiplexing and filter technology, applied in the field of TS demultiplexing, can solve problems such as interface call restrictions, and achieve the effect of fast speed and high efficiency
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[0026] A filtering method in the prior art such as figure 1 As shown, the requested filter in the diagram is stored in 64 array elements. This type of filter is established with PID as the filter channel. Each PID can only occupy one channel. When a PID has requested , another request with the same PID will fail. The filter with PID 0 on the way has already been occupied in request 1. When request 2 requests to filter the data with PID 0 again, it will fail. In this way, when a TS packet comes, it is necessary to traverse the array sequentially, find the filter corresponding to the TS packet, and stop after finding it. In the figure, the TS packet with PID 0 arrives, and the filter with subscript 0 in the comparison array is not needed. After the filter with subscript 1 is matched successfully, the comparison is not performed afterwards.
[0027] Another way to filter such as figure 2 As shown, the filter requested in the illustration is stored in 64 array elements. This me...
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