10.6: Use the pcastaction command to manipulate video files

The command pcastaction is a tool included in Snow Leopard to manipulate QuickTime and MPEG movies in a lot of ways: trim, append, extract soundtrack, watermark, and so forth.

The command is used by Podcast Capture to handle video to send to a MacOSX Server (Podcast Producer) but can also be used standalone. It is written in Ruby and uses Apple QTKit.

A few preliminary notes:

• All paths must be absolute (start from /). You can use `pwd` (with back quotes) in a shell to specify current directory path (see examples below).
• Most commands create 'reference movies' (with references to other files) which are not self-sufficient and can break if you move the original files. You should 'flatten' these with pcastaction or open them in QuickTime Player and save them to get a fully independent movie.
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Source: http://feeds.macosxhints.com/click.phdo?i=b61f4ce530279db6191b48c37217e2cc

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