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Unread 24-03-2008, 23:56
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VEX Robotics Engineer
AKA: Arthur Dutra IV; NERD #18
FRC #0148 (Robowranglers)
Team Role: Engineer
 
Join Date: Mar 2005
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Re: [TBA]: MP4 vs. WMV, MP4 seems to be working well

Quote:
Originally Posted by Jonathan Norris View Post
... This meant I had to record on the mac, which I really wasn't prepared for, I used quicktime recording in DV to my external HD but had issues with it and lost a couple matches. it seemed like if the recording was larger then 4 minutes it would crash, and it seems like the HD couldn't keep up with the data rate of the video or audio so there is some skipping. Luckily i used Ustream's recording capabilities and should be able to get most of the matches I lost.
It sounds like your external hard drive is formatted in FAT32, which means you can only have a maximum file size of about 4 Gb; this is probably why it would crash every four minutes. And the lack of the drive to keep up was probably because it was USB; Firewire or eSATA will provide a much more consistent (and faster) data stream than USB for video stuff.

Other workarounds would be to reformat the external hard drive to NTFS and install MacFuse on your Mac, or format the external drive to HFS+ (and install MacDrive on the PC if you want to use the drive there). (I wish Windows would natively support one of the Unix-based file systems (such as UFS or UFS2) supported under Linux and OSX...)
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Art Dutra IV
Robotics Engineer, VEX Robotics, Inc., a subsidiary of Innovation First International (IFI)
Robowranglers Team 148 | GUS Robotics Team 228 (Alumni) | Rho Beta Epsilon (Alumni) | @arthurdutra

世上无难事,只怕有心人.
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