[mythtv] [mythtv-commits] Ticket #1079: frame corruption in preview playbackbox

Jim Westfall jwestfall at surrealistic.net
Fri Jan 27 06:23:30 UTC 2006


both worked great on my linuxppc.  I wasnt able to see much difference 
speed/cpu wise.

jim

MythTV <mythtv at cvs.mythtv.org> wrote [01.26.06]:
> #1079: frame corruption in preview playbackbox
> ----------------------------------------+-----------------------------------
>  Reporter:  jwestfall at surrealistic.net  |        Owner:  danielk
>      Type:  defect                      |       Status:  closed 
>  Priority:  minor                       |    Milestone:  0.19   
> Component:  mythtv                      |      Version:  head   
>  Severity:  low                         |   Resolution:  fixed  
> ----------------------------------------+-----------------------------------
> Changes (by danielk):
> 
>   * resolution:  => fixed
>   * status:  new => closed
> 
> Comment:
> 
>  (In [8736]) Fixes #1079, and speeds up scaling.
> 
>  This grabs the preview from within the output loop, so that it is
>  impossible for a slow scaler/yuv2rgb converter to get parts of two frames.
>  This also speeds up the process 4 to 5 fold by scaling the frame before
>  converting it to RGB, instead of the other way around. This is on my
>  machine with MMX, I wrote the fix with the RGB conversion before the YUV
>  scaling as well for timing purposes and that version is attached to the
>  ticket, so anyone without MMX can test both approaches.
> 
> -- 
> Ticket URL: <http://cvs.mythtv.org/trac/ticket/1079>
> MythTV <http://www.mythtv.org/>
> MythTV

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