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QuickTime only recognizing first couple minutes of video
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Dedicated MacNNer
Join Date: Oct 2001
Location: Dallas, TX
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Has anyone ever noticed that QuickTime Player will only play the first couple minutes of an mpeg-1 formatted video, whereas VLC sees the whole thing. I'm assuming VLC is using a different codec to decode the file..
In this case..
Format: MPEG1 Muxed, 320 x 240
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Mac Elite
Join Date: Oct 1999
Location: San Jose, Ca
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The file is probably not really MPEG-1 but one of the (many) bastard children of the Microsoft beta codec that they proposed as the container format for MPEG-4 (Apple's candidate, a version of the QuickTime container, was ultimately chosen). Apple's MPEG codec assumes that the file is a real MPEG and so has problems with broken files.
VLC stared out as simply a collection of the broken codecs, and so tends to handle this sort of thing better. You could probably get the same thing out of QuickTime by finding one of the Divx-style codecs that are out there (Divx was one of those bastard children, but has since been re-written to be both standards compliant and had all the Microsoft code striped out).
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Dedicated MacNNer
Join Date: Jun 2002
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Yea, happens to me all the time with mutltiple file formats. Quicktime sucks, use VLC.
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Addicted to MacNN
Join Date: Nov 2002
Location: Seattle, WA
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No, it's not a codec problem, it's because the MPEG was split into chunks and the chunks were re-combined as simple binary data, instead of having their headers and timecodes updated to be part of a larger file again. You can fix it by using BBDemux to extract the audio and video streams and then mux them back together (with...something. I usually compress them to a better codec at this point and mux with QuickTime Pro)
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Senior User
Join Date: Nov 2001
Location: State of Denial
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What Uncle Skeleton said, though I don't like to go the recompression route as going from one lossy codec to another will lose part of what quality there still is (but that part's up to the individual).
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[Wevah setPostCount:[Wevah postCount] + 1];
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Clinically Insane
Join Date: Dec 1999
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Grab a copy of this:
mpgtx
I forgot the options, but you can have it chuck the original header and make a new one. This'll fix the corruption, usually.
This is also the only program I know of for Mac OS that can join MPEGs correctly. Every other program I've tried usually only shows the first section of the split movie, even though the whole file is joined. Sounds like the problem you're having.
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