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See also: Video Formats | Audio-Video Software

Home Page: http://www.quicktime.com

File Extension: MOV, AVI

Quicktime is Apple's proprietary video container and API that supports things like capture from DV devices, streaming, and playback. Codecs like 3ivx and Sorenson Video 3 use MOV while older versions use AVI. Note that the various Quicktime versions (4, 5, 6) are different distributions of compression formats.

Quicktime Install and Windows

After installing, its possible to go back and turn off "features" that take up extra RAM and eye space:

1. "iPodService" under the Services in the Control Panel - Administrative Tools (for if don't own an iPod - should be set to manual instead of automatic anyhow). Saves 2.7 megs of RAM. 2. Delete the two icons for iTunes and Quicktime in the quicklaunch bar 3. Right click the Quicktime icon in the taskbar and tell it to turn off under "advanced" 4. Using a program called Startup Control Panel, disable Quicktime Task

(3 and 4 might actually be the same thing but do both just in case)

5. Also using Startup Control Panel, disable iTunesHelper, a program to run in memory to increase startup time for iTunes but take up RAM.


Since the codec is proprietary there is no stable open-source implementation available.

  • Quicktime for Linux - Supports mainly local (non-streamed), uncompressed Quicktime formats.
  • MPlayer - Supports streamed, compressed and uncompressed Quicktime formats using a hacked (hex-editted) Windows DLL also available on the site. Not always stable. MEncoder, MPlayer's Movie Encoder, can reencode such a Quicktime movie to a different format, for example Xvid. Note that to play from a stream, sometimes RTSP support in MPlayer needs to be compiled into it because the server uses this protocol
  • /Linux - Howto: watch online Quicktime / Real streams using Linux.