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I'd like to encode uncompressed video into compressed avi or mpeg4. Was wondering what program I should look at getting to do such a task. Videos are between 3 and 20 minutes long, and range anywhere from 1.3 to 10 GBs in uncompressed .avi form (fraps).

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For which operating system and which format you mean with "uncompressed video"? AVI is a container. –  buba Oct 20 '09 at 6:04

7 Answers 7

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MEncoder is a very nice command line tool for that.

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VirtualDub is a great free tool for this job

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FFMPEG is yet another free tool to do this. It might be easier to answer these questions if you asked more specifically. Do you want a graphical tool? Command line? Batch operation? Windows? Linux? Mac?

FFMPEG is all of those except graphical, given simple scripting for batch operation.

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I am a fan of Format Factory on Win systems

Format Factory is a multifunctional media converter. Provides functions below:

  • All to MP4/3GP/MPG/AVI/WMV/FLV/SWF.
  • All to MP3/WMA/AMR/OGG/AAC/WAV.
  • All to JPG/BMP/PNG/TIF/ICO/GIF/TGA.
  • Rip DVD to video file , Rip Music CD to audio file.
  • MP4 files support
  • iPod/iPhone/PSP/BlackBerry format.
  • Supports RMVB,Watermark, AV Mux.

Format Factory's Feature:

  1. support converting all popular video,audio,picture formats to others.
  2. Repair damaged video and audio file.
  3. Reducing Multimedia file size.
  4. Support iphone,ipod multimedia file formats.
  5. Picture converting supports Zoom,Rotate/Flip,tags.
  6. DVD Ripper.
  7. Supports 50 languages

OS requirements: All 32 windows OS

And yes, it runs on Server 2008 R2 so 64-Bit should not be an issue (8 core i7 server)

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Quicktime 7 Pro does that. It is available on Mac OS X and Windows but not on Linux.

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I use FFmpeg on Ubuntu Linux to convert AVIs to MP4s. It reduces the file size by about 90% and the quality is OK. I use it for all my Youtube uploads.

Here's the command I use. Replace MVI_0963 (referenced twice) with the name of your video file.

ffmpeg -i MVI_0963.AVI -vcodec mpeg4 -acodec libfaac -ab 128kb -s 640x480 -b 1200kb -mbd rd -flags +4mv+aic -trellis 2 -cmp 2 -subcmp 2 -g 300 -pass 1/2 -r 25 mvi_0963.mp4
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If you are not intimidated by a complicated interface and fine-grained control, MediaCoder is the way to go.

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