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[RESOLVED] Method/filter to remove hard-coded repeat frames
Posted: Thu Mar 17, 2011 8:14 am
by SeeMoreDigital
Hi all,
I've probably missed something obvious but is there a method or filter that will enable me to remove "hard coded" repeat/duplicate frames from 50fps sources. Such as can be found in this sample:
http://www.mediafire.com/?69xxlsttb36759g
Cheers
Re: Method or filter to remove hard-coded repeat frames
Posted: Thu Mar 17, 2011 8:21 am
by admin
The obvious thing is Decimate(2) or SelectEven() in Avisynth.
Are you looking for a VirtalDub filter for that?
Re: Method or filter to remove hard-coded repeat frames
Posted: Thu Mar 17, 2011 10:42 am
by SeeMoreDigital
neuron2 wrote:Are you looking for a VirtalDub filter for that?
Ideally yes...
EDIT: Something that offers simplified options along the same lines as the IVTC plug-in would be handy.
Re: Method or filter to remove hard-coded repeat frames
Posted: Thu Mar 17, 2011 1:07 pm
by admin
Use this:
Video/Frame rate.../Frame rate conversion/Process every other frame (decimate by 2)
The latest filter SDK supports dropping frames so it would be possible now to make an adaptive Decimate filter, but the above built-in function should be fine for this application.
Re: Method or filter to remove hard-coded repeat frames
Posted: Thu Mar 17, 2011 2:18 pm
by SeeMoreDigital
I actually tried the "Process every other frame (decimate by 2)" option but it does not seem to work with v1.10.0 (Build 33848). Are you able to make it work?
Re: Method or filter to remove hard-coded repeat frames
Posted: Thu Mar 17, 2011 4:44 pm
by admin
No I haven't tried 1.10.0, which is still "experimental". I suggest that you followup at the VirtualDub forum if you have found something broken in 1.10.0.
Re: Method or filter to remove hard-coded repeat frames
Posted: Fri Mar 18, 2011 10:21 am
by SeeMoreDigital
Bummer...
I've just tried VirtualDub versions 1.9.9, 1.9.10 and 1.9.11 and their decimate options don't seem to work with the sample I provided either!
Re: Method or filter to remove hard-coded repeat frames
Posted: Fri Mar 18, 2011 1:05 pm
by admin
How are you loading that sample into VirtualDub?
Re: Method or filter to remove hard-coded repeat frames
Posted: Fri Mar 18, 2011 2:06 pm
by SeeMoreDigital
I'm dragging and dropping the elementary .M2V file directly into VirtualDub.
The .M2V file opens okay and VirtualDub correctly recognises the files properties. I'm at a loss!
Re: Method or filter to remove hard-coded repeat frames
Posted: Fri Mar 18, 2011 2:15 pm
by admin
You must be using fccHandler's MPEG2 plugin.
I loaded it in 1.9.11 and set decimate by 2. I did Save as AVI and reloaded the resulting AVI. It was properly decimated.
The decimation does not take effect on preview, only on Save as AVI.
Re: Method or filter to remove hard-coded repeat frames
Posted: Fri Mar 18, 2011 3:02 pm
by SeeMoreDigital
neuron2 wrote:the decimation does not take effect on preview, only on Save as AVI.
I see... I was not expecting the decimate option to function like that.
I am however happy to confirm that the repeat/duplicate frames have been dropped on the "save.AVI" output.
Thanks for your help
Re: Method or filter to remove hard-coded repeat frames
Posted: Fri Mar 18, 2011 3:28 pm
by admin
You're welcome. Marking resolved.