[mythtv] Strange color problem with playback
mythtv at cedinpro.com
Thu Mar 24 06:16:34 UTC 2005
On 2005-03-22, at 18.25, Mats Cedergren wrote:
> On 2005-03-22, at 09.50, Bruce Markey wrote:
>> Mats Cedergren wrote:
>>> I try this list too, have tried mythtv-user without luck!
>>> I have a CVS compiled version of MythTV 0.17 and almost everything
>>> is working as it should.
>>> The only problem I have is that when I watch live tv or watch
>>> recorded shows all the colors on the picture seems to be moved up
>>> about 1 cm ( is about 0.4 inch) on the screen. I don't know how to
>>> explain it better, when I look at the picture it looks like a black
>>> and white picture at the bottom of the screen and the rest has all
>>> mixed up colors. It's like the illumination and color information
>>> is not align when outputted to the screen. This apply both to the
>>> picture and to the GUI.
>>> I can't see that there is any problem with the colors when using any
>>> other part of system (menus, mythmusic, program guide etc).
>>> Anybody else seen this and know how to fix it?
>> Don't know if this is it but this used to be common if an odd
>> height was used for recording. It should be a multiple of 4 or 8
>> and the settings screen should enforce this. But, really, you should
>> only use 480 or 240 for NTSC or 576 or 288 for PAL so that it records
>> all the scan lines in the field evenly.
>>> nVidia driver version 6111
>> Probably not a good choice as this had some limitations and problems.
>> The latest driver, 7167, apparently has lots of bugs. Poor video
>> timing and dumbed down overscan were show stoppers for me but there
>> are other problems that people have reported. 6629 is probably your
>> best choice.
>> -- bjm
>> mythtv-dev mailing list
>> mythtv-dev at mythtv.org
> Thanks for your reply!
> I have checked the settings for recording and it is set to 576 since I
> use PAL.
> I also checked the version for the nVidia driver and it is 6629 (not
> 6111 as I first thought).
> I installed mythgallery today and I am getting perfect picture and
> I think the problem might be related to mythtv playback engine. The
> problem started when I upgraded to version 0.17. And all old recorded
> shows have the same problem when watched in the latest version so I do
> not think it is related to the recording part.
> mythtv-dev mailing list
> mythtv-dev at mythtv.org
I might be one step close to a solution. Today when I tried to playback
a .vob file (ripped from one of own DVD's) I noticed then I have the
same problem with them. The .VOB file is play-backed using mplayer so
if I have the same problem with it, I can't blame mythtv.
My question is: What library is used for playback of mpeg2 and mpeg4
content in both mythtv and mplayer?
If I find out what library is used and updated it, it might solve my
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