Quantcast VirtualDub Shows Odd Framerate of 23.974fps? - digitalFAQ.com Forums [Archives]
  #1  
01-07-2004, 07:43 AM
D-Mouse D-Mouse is offline
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I have successfully burned 4 kvcd's and they all worked on all the dvd players i have tried them on.

Just when i thought i had it all worked out it all went pear shaped

When i load my script into ToK for a movie i want to burn i have been getting a message :

"I can't understand the frame rate of your video"

I checked the frame rate with virtual dub and it say's it's 23.974fps?

I have checked the frame rates also of the other movies i have already made kvcd and had no problem with and they are all 23.976fps?

Is there a way to make my problem avi 23.976fps the same as the others and would ToK understand it then?

this is the script i used :

LoadPlugin("C:\Program Files\MovieStacker\Filters\MPEG2Dec.dll")
LoadPlugin("C:\Program Files\MovieStacker\Filters\STMedianFilter.dll")
LoadPlugin("C:\Program Files\MovieStacker\Filters\GripFit_preview.dll")
LoadPlugin("C:\Program Files\MovieStacker\Filters\BlockBuster.dll")
LoadPlugin("C:\Program Files\MovieStacker\Filters\UnFilter.dll")
LoadPlugin("C:\Program Files\MovieStacker\Filters\LegalClip.dll")

AviSource("C:\Documents and Settings\Col\Desktop\***.avii",false)
LegalClip()
GripCrop(352, 240, source_anamorphic=false, dest_anamorphic=true)
GripSize(resizer="LanczosResize")
STMedianFilter(10, 50, 8, 10, 10, 50)
UnFilter(25, 25)
BlockBuster(method="sharpen")
GripBorders()
LegalClip()


If i change only the source line to another avi this script works so i don't think the problem is with the script? (But maybe it is, i'm a newbee)

Thanks for all your help.
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  #2  
01-07-2004, 07:44 AM
D-Mouse D-Mouse is offline
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shit sorry i left on the name of the file. sorry again hope u can still help me thou. Thanks
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  #3  
01-07-2004, 08:25 AM
Dialhot Dialhot is offline
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Quote:
Originally Posted by D-Mouse
sh*t sorry i left on the name of the file. sorry again hope u can still help me thou. Thanks
Don't you know the button "edit" ?
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  #4  
01-07-2004, 08:33 AM
Dialhot Dialhot is offline
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Quote:
Originally Posted by D-Mouse
"I can't understand the frame rate of your video"
The message is chrystal clear.

Quote:
I checked the frame rate with virtual dub and it say's it's 23.974fps?
So you found the reason of the message.

Quote:
I have checked the frame rates also of the other movies i have already made kvcd and had no problem with and they are all 23.976fps?
23.974 is NOT 23.976. The second one is the standard fps for MOVIE NTSC. The first one is a shitty fps given by a shitty codec.
Will you do one day a real KVCD from a DVD you own ?

Quote:
Is there a way to make my problem avi 23.976fps the same as the others and would ToK understand it then?
Just put "AssumeFps(23.976) at the end of your script.

Quote:
AviSource("C:\Documents and Settings\Col\Desktop\***.avii",false)
Your name is WAY too long and can gives you problem if you decide to use CQMatic. Always use short paths and filenames.

Quote:
GripSize(resizer="LanczosResize")
UnFilter(25, 25)
BlockBuster(method="sharpen")
Lanczos + 2 sharpening filters ? Too much.

Quote:
But maybe it is, i'm a newbee
That post a message in the wrong forum, about an warez avi... You're lucky I am in good mood today

(note: I moved the thread to the correct forum).
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  #5  
01-07-2004, 03:48 PM
D-Mouse D-Mouse is offline
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Sorry bout the wrong forum thing and the warez .avi thing but i have no dvd drive in my pc. I built it myself and put all top notch parts in and forgot the dvd rom and floppy drive. .

However your answer to my question was spot on, thanks for the great tips.
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  #6  
01-12-2004, 02:09 PM
Paulus Paulus is offline
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@Dialhot,

Is "AssumeFPS" enough ? Won't this cause / leave an audio synchro problem for this "non standard" FPS avi ? Or will the audio FPS also be corrected....?

(I had the same problem some time ago........a project I still need to return to.......and remember there was more to it than the "AssumeFPS" line....)
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  #7  
01-12-2004, 07:14 PM
Dialhot Dialhot is offline
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Quote:
Originally Posted by Paulus
Is "AssumeFPS" enough ? Won't this cause / leave an audio synchro problem for this "non standard" FPS avi ? Or will the audio FPS also be corrected....?
With very little fps diff, there is no problem. You can count in term of second.
1 hour of movie with fps 23.974 is read at fps 23.976 in 3600*23.974/23.976second = 3599.6997 second ! Less then 0.3 second of difference. That can hurt is the movie is more than 2 hours but not under.

If the diff is too big is better to encode both audio and video with tmpgenc and use "AssumeFPS(xxx,true)"

The audio fps changing by tools like besweet often give some audible glitches that I really don't like.
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