[mythtv-users] Zotac ID11 VDPAU deinterlacing problem on mythbuntu 10.10

[John Finlay]

On 1/15/11 12:51 PM, Josu Lazkano wrote:
> 2011/1/15 John Finlay<finlay at moeraki.com>:
>> I am running 0.24-fixes form mythbuntu 10.10 repos:
>>
>> Please attach all output as a file in bug reports.
>> MythTV Version   : v0.24-105-g46a0dda
>> MythTV Branch    : fixes/0.24
>> Network Protocol : 63
>> Library API      : 0.24.20101129-1
>> QT Version       : 4.7.0
>> Options compiled in:
>>   linux debug using_alsa using_jack using_oss using_pulse using_pulseoutput
>> using_backend using_bindings_perl using_bindings_python using_dvb
>> using_firewire using_frontend using_hdhomerun using_hdpvr using_iptv
>> using_ivtv using_joystick_menu using_lirc using_mheg using_opengl_video
>> using_opengl_vsync using_qtdbus using_qtwebkit using_v4l using_x11
>> using_xrandr using_xv using_bindings_perl using_bindings_python
>> using_mythtranscode using_opengl using_vdpau using_ffmpeg_threads using_live
>> using_mheg
>>
>> The NVIDIA driver is 260.19.06
>>
>> The fe is a Zotac ID11. I am using a VDPAU playback setting trying the
>> Temporal(2x) and None for the fallback but the temporal deinterlacing fails
>> as seen in the log snippet below due to the video sync method not supporting
>> the double framerate. Reading the Mythtv VDPAU wiki page I was under the
>> impression that it should support Temporal(2X) so I'm assuming there is
>> something wrong with my setup. Where should I look to try to fix this
>> problem?
>>
>> Thanks
>>
>> John
>>
>> 2011-01-15 12:30:34.546 VDP: GetFilteredDeint() : vdpau ->
>> 'vdpaubasicdoublerate'
>> 2011-01-15 12:30:34.547 AFD: audio timecode 7609865424 7609865424 84554060
>> 84554092
>> 2011-01-15 12:30:34.547 AO: AddFrames frames=1536, bytes=18432, used=29185,
>> free=3042815, timecode=84554060 needsupmix=0
>> 2011-01-15 12:30:34.549 VidOutVDPAU: Enabled deinterlacing.
>> 2011-01-15 12:30:34.549 AO: SetAudiotime atc=84554011 tc=84554060 f=1536
>> pfu=-2391 pfs=0
>> 2011-01-15 12:30:34.549 Player(6): Video sync method can't support double
>> framerate (refresh rate too low for 2x deint)
>> 2011-01-15 12:30:34.560 AFD: video timecode 7609860625 7609860625 7609860625
>> 84554006 84553973
>> 2011-01-15 12:30:34.561 AFD: audio timecode 7609868304 7609868304 84554092
>> 84554124
>> 2011-01-15 12:30:34.561 AO: AddFrames frames=1536, bytes=18432, used=38017,
>> free=3033983, timecode=84554092 needsupmix=0
>> 2011-01-15 12:30:34.562 VDP: GetFilteredDeint(none) : vdpau ->  'none'
>> 2011-01-15 12:30:34.562 Player(6): Enabled deinterlacing
>> 2011-01-15 12:30:34.563 AO: GetAudiotime audt=84553875 atc=84554011 mb=38016
>> sb=6
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>>
> Hello John, I am not any expert on this, people help me to config my
> machine, here you have my xorg config:
> http://www.gossamer-threads.com/lists/mythtv/users/467385
>
> Give it a try.
>
> Regards.
>
Those xorg.conf mods helped to stabilize the cpu usage as reported by 
top but by themselves didn't fix my problem. I eventually realized that 
the problem was a default timestretch setting of 1.1 which was trying to 
force a frame rate faster than my display could take (or at least that's 
what I speculate). Once I set the timestretch to 1.0 I was able to get 
all the double rate deinterlacers working.

John