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[mpeg2] Re: Driver project: a new 4-channel MPEG decoder card



Allan Jacobsen wrote:
>
> Warren Young wrote:
> >
> > The _driver_ is open source.  Only the user-mode library necessary to
> > completely talk to the driver is closed. 
>
> OK, you are right, but the driver without the library is completely
> useless.
> It does not contain anything about: bitrate, resolution, Mpeg1/2 data,
> program stream/transport stream, audio ac3/mpeg 2, audio bitrate,
> audio sampling freq. etc.....

Any progress made on this old item yet?

anyway:

Nearly all communications with the user lib should result
in driver ioctl calls. If you have the src of the kernel module,
it is very easy to log the calls, and create a mapping between
userlib calls and ioctl calls.

   Bram




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