[mythtv-users] What don't I get here? (Playback FPS)
Viktor Avramov
drvik at bigpond.net.au
Thu Jun 14 23:22:53 UTC 2007
I recommend using a VGA -> SCART cable... then you will have very precise
control of what goes to the TV.... I had a problem like you using PAL 25FPS
on a 50Hz interlaced TV... I wrote a patch which doubles the framerate for
interlaced modes... I now use it wil BOB deinterlacing and the result is
silky smooth!
Here's the patch.... do with it what you will... I submitted it for inclusion
in trunk but it was rejected because it's flawed in it's logic... all I can
say is on my setup it's the only way of getting smooth, fluid motion.... the
devs told me to use the myth-vid branch instead!!
Viktor
Index: libs/libmythtv/videoout_xv.cpp
===================================================================
--- libs/libmythtv/videoout_xv.cpp (revision 12477)
+++ libs/libmythtv/videoout_xv.cpp (working copy)
@@ -308,6 +308,9 @@
if (rate == 0)
rate = 60;
+ if (mode_line.flags && 0x010) // #define V_INTERLACE 0x010
+ rate = rate * 2; // if modeline is interlaced then double
the effective refresh rate
+
if (rate < 20 || rate > 200)
{
VERBOSE(VB_PLAYBACK, LOC + QString("Unreasonable refresh rate %1Hz "
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