[mythtvnz] VDPAU and TV3?

[Richard Watson]

A bit of further information - I changed my screen resolution from the native 1080i (1920x1080 50Hz Interlaced) down to 720p - and amazingly it can now display the 1080i content without any problems.  
 
The only thing I can assume is there is a problem with the VDPAU drivers playing 1080i content to 1080i displays?
 
Richard



Date: Fri, 30 Jan 2009 13:21:09 +1300From: jonathan.hoskin at gmail.comTo: mythtvnz at lists.linuxnut.co.nzSubject: Re: [mythtvnz] VDPAU and TV3?I wouldn't have thought your TV would cause the issues - AFAIK the display resolution coming out of the PC is scaled by your video card and would remain constant across channel changes.I have personally had TV3 problems when my UHF signal strength was a bit weak (< 30%) from too many extension cables, splitters, and bad wiring inline.Jonathan
On Fri, Jan 30, 2009 at 11:21 AM, Richard Watson <richardwatson at hotmail.com> wrote:

Hi all,I've recently upgraded to a Nvidia 8400GS (with G98 chipset) for VDPAU support.  I've rebuilt Myth using the latest trunk (0.22) and have added my own hacks of Paul's LATM/ACC patches to get sound to work.  The rebuild all went suprisingly easily and now I can sucessfully watch TV1 and TV2's 720p H.264 content using the VDPAU video output.  My CPU utilisation (on an AMD X2 5000+) drops from around 80% to around 8-10% - and there is so much less noise now my CPU fans aren't running hard out!My problem is I can't seem to play TV3 content at all.  I assume the problem is with the 1080i formatting?  The error messages on the console haven't been any help as to where the problem lies and it does seem from reading the list that others have TV3 and VDPAU working fine.  I can play TV3 fine using the standard video decoder, however it pushes my CPU to 100% and it starts dropping frames...The only other thing I can think off that would affect this is that my LCD TV (a rather weird Philips 37" LCD) is running at 1080i - not 1080p.  Apparently my LCD TV can't process 1080p signals despite actually having 1920x1080 pixels..Any suggestions out there as what to try next?Richard

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