Fedorability of dvbcut ?

David Timms dtimms at iinet.net.au
Tue Oct 30 06:25:40 UTC 2007


Christoph Höger wrote:
> Matt Domsch schrieb:
>> On Mon, Oct 29, 2007 at 12:07:01AM +1100, David Timms wrote:
>>> And if that's the case, how does the included kernel module for 
>>> controlling / receiving mpeg2 transport streams from my DVB card fit 
>>> with Fedora ?
>> The hardware manufacturer will have a patent license that allows them
>> to use mpeg2.  That same patent license most likely does not extend to you
>> as an end user for use outside of their hardware.
>>
> 
> As far as I know there is no mpeg2 decoding done in a dvb driver (it
> will probably come from videolinux rather then from the hw-mf.
That's probably right: it provides the software api to tune a frequency, 
and controls a dsp to demodulate the TV signal, simply placing the whole 
transmitted stream bytes on /dev/dvb/adapter/dvr0.
Fedora's dvb-apps provides tzap used thusly:
tzap -c "a channel" would seem to be actually demuxing the mpeg stream 
to the single program id selected within that tuned frequency. That 
would seem to be needing knowledge of the mpeg data ?

DaveT.




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