Codecs for Common Encoding Formats

DivX
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Media Type File Extension: .avi
Video Codec: mpeg4
Audio Codec: none
Additional Flags: -vtag divx

Flash
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Media Type File Extension: .flv
Video Codec: flv
Audio Codec: libmp3lame
Audio Bitrate: 44100

H.264
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Media Type File Extension: .mp4
Video Codec: libx264
Audio Codec: libfaac

Extra Requirements: qt-faststart

Under Plugins -> Video Transcoder -> Configure, make sure:

a) Enable qt-faststart is set to Yes.

b)  Your host has qt-faststart installed and that the qt-faststart path is set correctly on this page.

Ipod (MP4)
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Prerequisites: Make sure your host has the libfaac codec compiled in.

Media Type File Extension: .mp4
Video Codec: mpeg4
Audio Codec: libfaac
Additional Flags: -f mp4 -qmin 3 -qmax 5 -g 300 -ab 128k -r 30000/1001 

Mobile (3GP)
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Media Type File Extension: .3gp
Video Codec: h263, mpeg4 or libx264
Audio Codec: libfaac or aac

MPEG
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Media Type File Extension: .mpg
Video Codec: mpeg1video
Audio Codec: mp2
Audio Bitrate: 44100

QUICKTIME
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Media Type File Extension: .mov (Use .mov instead of .mp4 - or an incorrect container may be used due to the output filename)
Video Codec: mpeg4
Audio Codec: libfaac

WMV
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Media Type File Extension: .wmv
Video Codec: wmv2
Audio Codec: wma2