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-   -   bad frames in KVCDs from divx avi sources? (http://www.digitalfaq.com/archives/encode/3391-bad-frames-kvcds.html)

Reno 04-26-2003 09:17 PM

bad frames in KVCDs from divx avi sources?
 
Hi Guys,

I am currently encoding exclusively from Divx sources. I repeatedly see audio slippages and bad frames in resulting KVCD's with these sources. I'm a little perplexed as to their origins, but oh well...

I load these source .avis into Vdub and scan the video for bad frames, and make the determination to encode or not from the resulting numbers it gives me. Should I be concerned only with bad frames, or are the 'good but unreadable' frames also a problem??

To date I've only used Vdub to snatch audio, and check for bad frames. It seems to be perfectly capable of re-assembling the .avi without the bad frames, but I honestly haven't looked into it yet. Any pointers??

urban tec 04-26-2003 11:12 PM

Alittle app I have found good for scanning for bad frames is here

You can also use vitual dub to del bad frames when you find them and save the end result as a new avi but this app does all that anyways.

Reno 04-26-2003 11:38 PM

Sounds pretty cool. I've got it running as I write this :D

Reno 04-27-2003 03:28 AM

Could corrupt frames in an .avi source cause audio to slip? Or is that something else I have to worry about?

Bchteam 04-27-2003 06:23 AM

Yes, I'm pretty sure, that those bad frames cause the slipping.

But you can take this tool called divx repair to fix it.

http://divxrepair.sourceforge.net/

urban tec 04-27-2003 06:45 AM

Quote:

Originally Posted by Bchteam
Yes, I'm pretty sure, that those bad frames cause the slipping.

But you can take this tool called divx repair to fix it.

http://divxrepair.sourceforge.net/

Lol didnt I just post that :)

mmmm need more :drink:

urban tec 04-27-2003 06:50 AM

Quote:

Originally Posted by Reno
Could corrupt frames in an .avi source cause audio to slip? Or is that something else I have to worry about?

Yes,

The beauty of Divx repair is that it deals with audio+video so if it removes any bad video frames it removes the corresponding audio to keep all in sync.

CheronAph 04-27-2003 08:33 AM

Quote:

Originally Posted by Reno
Could corrupt frames in an .avi source cause audio to slip? Or is that something else I have to worry about?

I have had problems with this, the audio works fine in the original, but when I encode it to a kvcd the audio goes out of sync after a few bad frames :cry:

PyRoMaNiA 04-27-2003 10:49 AM

I have had very little trouble with any damaged DivX. As most DivX/XviDs I've had are pretty much perfect...you should try to get them from a reliable source. *COUGH*sharereactor.com*COUGH*...

I have had some trouble though, so thanks for the tip about DivXRepair. :)

Reno 04-27-2003 12:45 PM

@Pyromania,

lol, that's already in my favorites :wink:

Thanks for all your help, fellas! That little program saved me a lot of frustration!

CheronAph 04-27-2003 12:55 PM

Quote:

Originally Posted by PyRoMaNiA
I have had very little trouble with any damaged DivX. As most DivX/XviDs I've had are pretty much perfect...you should try to get them from a reliable source. *COUGH*sharereactor.com*COUGH*...

LOL :D


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