On 02/28/2016 11:24 AM, Reimar Döffinger wrote:
Why is the packet data in AVI packets sometimes zero bytes when using stream 
copy, Michael? There certainly must be some reason for it?

AVI is fixed frame rate. If you have for example variable frame rate input 
empty packets will be used to get the right timing.
I'm not sure that is truly the cause in your case, but it is at least one 
possible reason.
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Yeah, that sounds like a possible reason alright. It only happens for AVI, not Quicktime, so...

Mats

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