[mythtv-users] Myth Weird Behavior With VDPAU, Other Questions
Robert McNamara
robert.mcnamara at gmail.com
Sun Jan 18 00:50:16 UTC 2009
On Sat, Jan 17, 2009 at 4:47 PM, Bill Williamson <bill at bbqninja.com> wrote:
> On Sun, Jan 18, 2009 at 6:37 AM, Delphi Real Estate
> <Info at delphi-real-estate.com> wrote:
>>
>> Running Myth trunk 19669 and nVidia binary driver 180.22 with VDPAU, and
>> have frontend Setup|Setup|TVSettings|Plaback|{3rd screen} set up as a VDPAU
>> profile. (> 0 0 vdpau vdpau) Watching any ATSC recording is usually fine,
>> except when there are video breakups as when I get bad reception. This
>> often happens because I have a weak signal on certain channels so I imagine
>> there are broken packets during those intervals.
>>
>> But Myth's VDPAU can't tolerate these and crashes out of the frontend
>> entirely with a segfault. It's been necessary for me to switch back to the
>> CPU++ profile so I can watch some shows. Can VDPAU be made more tolerant?
>>
>> Another question: When I set Live Preview to use hardware acceleration,
>> the whole screen turns blank green until I arrow up or down and then the
>> display comes partially back with still green background. This only happens
>> with the VDPAU profile and with HA of Live Preview. Any idea why?
>>
>>
>> Also, Myth is not turning back on my DPMS when I exit. Any idea why?
>>
>> I've set my Program Guide to have 10 lines, but now the text is too large.
>> How to reduce size, and put channel#s on same line as call letters?
>>
>> Is there any way to put a clock on the Watch Recordings page? Is there
>> any way to mark the recorded programs with length, rather than times they
>> were on? I don't care what time they were on.
>>
>> I am having trouble Watching TV. I select that, the screen goes black for
>> a couple seconds, but then reverts back to the menu. How to troubleshoot
>> this?
>>
>> Not getting a /var/log/mythtv/mythfrontend.log. Any idea why?
>>
>> I can not figure out how to transcode ATSC mpeg2 to H.264. Tried
>> mythnuv2mkv script, but it doesn't respond and there's no error log. Is
>> there another way to transcode by setting up a user job?
>>
>> With newer versions of Myth, in the Watch Recorded Shows menu you can no
>> longer right-arrow to get Job Options. How to do that now?
>>
>
>
> It's my understanding that unless you are a developer, or helping a
> developer test new options, then you should not be running trunk. Trunk is
> not even guaranteed to compile, let alone record and play back tv. It is
> stated all over the wiki and web page that trunk is bleeding edge and
> broken. During the QT4 migration NOTHING worked in it. Why are you having
> such a hard time understanding this?
>
> If your goal is to help debug VDAPU then I'm certain that if you attached a
> debugger and figured out where it is crashing with invalid streams that the
> developers would happily accept a patch. I'd even bet that if you put
> forward a small clip of a video that crashes it and posted it as a use case
> on the wiki that it'd be appreciated as well.
>
> Attacking people in the mythtv community for telling you that VDAPU (and
> trunk in general) is not stable or intended for use is probably not
> appreciated.
>
> If you ran into these bugs in -fixes then people would be a lot more
> interested in helping you.
>
> Would you rather have the developers close SVN, and only publicly put out
> final releases?
>
>
>
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>
>
Oh Dang it, sorry guys, meant to send that one from my Brad D
personality, not my Bill Williamson personality. ;)
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