[mythtv-users] Automatic channel scanning

[madera at insignesoftware.com]

I'm using a PVR350


On 6/8/2004, "Jarod Wilson" <jcw at wilsonet.com> wrote:

>On Jun 7, 2004, at 20:01, <madera at insignesoftware.com> wrote:
>
>> I downloaded the Zappin program RPM.
>>
>> It says that:
>>
>> Using video device '/dev/video0', display ':0.0'.
>> Querying frame buffer parameters from DGA.
>> Using V4L2 2.5 interface.
>> Device '/dev/video0' does not support video overlay.
>> Setup failed.
>>
>> Why could that be??
>
>Um, because the device /dev/video0 doesn't support video overlay, just
>like the error message says... =)
>
>The PVR-x50 series cards don't do video overlay (at least not with the
>current driver implementation, not sure if it is technically possible).
>They take the incoming video stream and encode it to an mpeg2 file.
>Same reason xawtv doesn't work with that card. In asking your original
>question, you neglected to mention that you were using a PVR-250,
>otherwise, you probably (hopefully) wouldn't have been pointed to
>zapping and xawtv.
>
>> I'm trying to use zapping just because I can't stand that MythTV isn't
>> capable of doing what a simpler program can do!!! I mean, autoscanning
>> free air TV can't be that complicated!
>
>I believe its a very low priority item, because almost everyone uses
>cable or satellite. There can't be that many broadcast stations in your
>area that its a huge deal to hunt manually. Try ptune.pl and/or
>ptune-ui.pl for pre-myth channel changing (or just use test_ioctl)
>while viewing the video stream with mplayer /dev/video0.
>
>> I only need a program which can autoscan normal tv broadcasts, just to
>> make my PC a normal TV!! Not any DVB, DVD nor any other cable or other
>> stuff... all utomatically.
>
>Again, please understand that your needs aren't the highest priority of
>the MythTV developers. They're more than willing to accept a patch if
>you want to write the code for auto-scanning though.
>
>> If Windows can do it, why couldn't our super-technical Linux do that??
>
>Because nobody has written the software to do it yet. At least, not for
>hardware mpeg2 encoding tuner cards.
>
>--
>Jarod C. Wilson, RHCE
>jcw at wilsonet.com
>
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