Player stops part way through some of the performances

One line summary	Some of the FLV files submitted stop part way through, why?
Detailed description
Issue champion	Mette van Essen
Possible approaches	Examine the container structure to see whether corrupted Repair the broken container if possible Examine the contained streams to see if they can be extracted Then check other files using information discovered
Context
AQuA Solutions	Diagnosing FLV problems using FLVmeta's flvdump
Collections	Gormley Flash (BL)