[mythtv] Incessant flip/flop of deinterlacer in svn

Jean-Yves Avenard jyavenard at gmail.com
Sat Oct 17 22:09:36 UTC 2009


Hi

2009/10/18 Tom Dexter <digitalaudiorock at gmail.com>:
> If I'm interpreting that patch correctly, it will still switch to
> progressive if it sees four or more progressive frames after any
> interlaced frames.  The verbose message it generates says "Locking
> scan to Interlaced", but it appears that, after it does that, four
> progressive frames will in fact cause it to switch.
>
> Am I reading that correctly?  Has anyone verified that this sufficient
> to prevent the constant switching for (for example) NBCs dramas that
> tend to do this?  I'm using the new field order deinterlacer which is
> unusable if this switching occurs.
>

I'm seeing the same problem on a DVD here "Deep Impact"

2009-10-18 00:45:58.624 VDPAU: Updating CSC matrix for ITU BT.601 (PC levels)
2009-10-18 00:45:58.624 Disabled deinterlacing
2009-10-18 00:45:58.656 NVP(0): interlaced frame seen after 1 progressive frames
2009-10-18 00:45:58.657 VDPAU: Updating CSC matrix for ITU BT.601 (PC levels)
2009-10-18 00:45:58.657 Enabled deinterlacing
2009-10-18 00:45:58.673 NVP(0): progressive frame seen after 3
interlaced  frames
2009-10-18 00:45:58.674 VDPAU: Updating CSC matrix for ITU BT.601 (PC levels)
2009-10-18 00:45:58.674 Disabled deinterlacing
2009-10-18 00:45:58.707 NVP(0): interlaced frame seen after 1 progressive frames
2009-10-18 00:45:58.707 VDPAU: Updating CSC matrix for ITU BT.601 (PC levels)
2009-10-18 00:45:58.707 Enabled deinterlacing

And so one, sound is good but video seems to be playing at twice the speed...


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