Re: Trouble with HD-PVR recordings

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Charlie Gunyon <charles.gunyon <at> gmail.com> writes:
[...]> I understand the idea of container formats, but the real difference> here is what MPlayer's defaults are.  Is this information documented> anywhere?
For example in MPlayer's output (fourth line) - I would consider it less helpfulanywhere else. (but as always: Documentation patch welcome!)
[...]
> I uploaded it here: http://www.charlieg.net/downloads/output.log, but> I really think that my system is not too slow as this sample plays> just fine in Windows using VLC, or using the CoreAVC for Linux> software.
That is not really a valid argument (both may drop frames without you noticingit and CoreAVC can use CPU cores that MPlayer can't use).
> > Are you sure? Could this be a problem with a too low refresh rate of your> > screen? Did you test export VDPAU_NVIDIA_NO_OVERLAY=1?> > I will test with my Pentium III 500, but that will take some time.> > Neat trick, that helped a lot!  Is that documented anywhere?
(Here, if I understand you correctly, you should have deleted my line about myold computer.)ftp://download.nvidia.com/XFree86/Linux-x86/190.32/README/appendix-h.html(Paragraph VdpPresentationQueue)You can test deint=2 now - it probably works as long as you do not use OSD...
[...]
> Yeah I'm starting to figure this out.  You can't use CPU deinterlacing> when using VDPAU decoding can you?
Not yet, but since the useful de-interlacer (yadif) needs much more CPU powerthan decoding alone, I doubt it would help in this case.
> >> And I avoided the SLOW message and A-V desyncs, but playback was quite> >> choppy.  I assume this is due to 'skipframe=nonref' but if this is the> >> result I don't see it as a solution.> >> > I tried to say it before: You cannot ask the system to drop as many frames> > as possible and complain about dropping frames.> > Yeah I understand the concept of "frame skipping" or alternately> "frame dropping" but I thought I wasn't asking it to drop as many> frames as possible, just the non-reference ones.
No, you asked to drop as many as possible without breaking decoding.
> I guess I didn't> realize how many that was, the docs really aren't clear about this at all.
I disagree, but see above.
> Also I thought that '-framedrop' was supposed to drop as many frames as> necessary.
Exactly (as opposed to as many as possible).
Carl Eugen
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