kfcp: Prevent dropped frames on long captures
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In OSX many people report getting dropped frames on batch captures of long clips. The symptom is usually a black capture screen or a frozed frame which does not change for a significant amount of time. Depending on your setting you will either get an aborted capture due to a dropped frame or the capture will exhibit the problem seen in the capture window followed by wildly out of sync audio and video.
Certain Norton products may be the cause.
If you have Norton AntiVirus installed, turn off autocheck.
If you have Norton Utilities installed, uninstall it. Remove any .kext (kernal extensions) associated with it.
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