[mythtv] Adding support for custom capture card
Joseph A. Caputo
jcaputo1 at comcast.net
Wed Oct 12 19:25:35 UTC 2005
On Wednesday 12 October 2005 15:11, Luc Gallant wrote:
> >Why don't you write a V4L driver for this device? Then any V4L
> >compliant software like MythTV would work with it without
> >modification?
>
> >I think this may have some resources in that direction:
> >http://www.thedirks.org/v4l2/
>
> This is an idea I originally thought of. There are a few issues I had
> thought
> about too, that hopefully people can help me with:
>
> 1. My main goal is to use mythtv for pvr purposes. In the data coming
> over the
> network, there will be sets of data, and within those sets,
> subchannels. So,
> from my understanding, the driver I would write would map those sets
> and
> subchannels to regular channels as we know them . For example, if
> there are 4
> sets with 5 subchannels in each, that would make 20 channels. The user
> could
> then go from channel 1-20 or 300-320, whatever. The EPG then would
> have to map
> to those channels too, which would be accomplished by the driver
> (because the
> epg would be sent in that same pipe with the network video)
>
> 2. I haven't read the entire V4L spec, but the video coming over the
> network is
> encoded in MPEG4. Can the V4L device output MPEG4 video? I will read
> more of the
> spec, but if anyone has any clue, just let me know and that would be
> great.
Sounds like what you have behaves more like a virtual DVB device than a
V4L device. Have you looked into making a DVB driver for it?
-JAC
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