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Maximum Number Of Extended Avi Indices Exceeded
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tester255
Posted: Jun 19 2003, 04:46 PM


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After halting a capture (internal mode, NTFS file system, WinXP) to a long file (>12 hours), I got an error message similar to

"Maximum number of extended AVI indices exceeded (256)"

What does this mean? Did it affect the capture file in any way? How can I avoid this error in the future?

Any help would be greatly appreciated, as I'm new to virtualdub. Thanks!
 
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phaeron
Posted: Jun 20 2003, 02:58 AM


Virtualdub Developer


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Posts: 7773
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Joined: 30-July 02



VirtualDub's AVI output handler has an internal limit on the combined audio and video blocks that can be written to an AVI file -- either 786,000 blocks or 128GB, whichever comes first. The reason is that in the process of working around some bugs in an old version of DirectShow, I had to choose a tradeoff between overhead in the AVI file and the total size limit.

There unfortunately isn't a workaround in the current version, but I'll see if I can't make the threshold adjustable in the next version and maybe switch to index tree splitting afterward....
 
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tester255
Posted: Jun 20 2003, 09:24 PM


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Thanks for the explanation. Will enabling multi-segment capture overcome the 786,000 block limit, as the blocks will then be spread over multiple AVI files?
 
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ChristianHJW
Posted: Jun 20 2003, 10:39 PM


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Posts: 1768
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Joined: 7-July 02



On a sidenote ( sorry ), there is a company using matroska for live capturing since some time now, and they can easily record several days into one file they told us biggrin.gif ....

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Visit the unofficial Virtualdub support forum on http://forums.virtualdub.org - help to reduce the big number of emails Avery Lee is getting every day !!
Support matroska as container and Gstreamer as the only truely open, x-platform multimedia platform ....
 
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