Georg Acher wrote:
There is already HW out, but it's no PCI adapter. The Reelbox uses such a HW
scheme. There is a 14x14 data crossbar/matrix to connect any data source (4
frontends, 4 pid filters, 4 CAs, TS from the CPU) to any data sink
(pid-filter, CA, DMA). Looks a bit oversized, but the FPGA implementation is
not much more complicated than fixed paths with synchronisation stages.
Ah, nice to know. What i did mention was a PCI card though.
The RB-driver uses a separate matrix control ioctl to work around this missing
feature in the API. It is assumed in the driver that the
frontend/pid-filter/DMA path is fixed. Only the CAs are inserted or removed,
they can also be chained.
Once you have a device to control the flow, you can have it in a variety
of combinations.
Manu
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