[mythtv-users] deinterlacing and non-smooth playback at 1080i

[Seth Daniel]

On Tue, May 22, 2007 at 06:41:53AM -0400, Doug Larrick wrote:
> Seth Daniel wrote:
> > 2007-05-21 19:41:14.168 Video sync method can't support double
> > framerate (refresh rate too low for bob deint)
> 
> This is part of your problem.  Bob is not working.

Yeah, that's what I figured. :o(


> Use 'xvidtune -show' to print what modeline you're actually using; look 
> in the frontend log (with --verbose playback,general) for "Refresh rate: 
> xxx, frame interval: yyy".  Refresh rate (in usec) has to be smaller 
> than half frame interval for bob to be able to work.  Adjust your mode 
> (choose a new one, or change the first number which is the pixel clock 
> in MHz) until it is.

In the original e-mail I posted what xvidtune shows:

> xvidtune shows the following as my modeline:
> "1920x1080"    74.18   1920 2008 2056 2200   1080 1084 1089 1124 +hsync +vsync interlace

Current pixel clock is 79.18.  It can't go any higher than 80.  Based on
what you wrote wouldn't I need a pixel clock (roughly) > 120 to be able
to do Bob?

-- 
seth / @sethdaniel.org
Immortality...a fate worse than death.