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Old 22nd February 2012, 22:36   #3  |  Link
nibus
Telewhining
 
Join Date: Mar 2010
Posts: 272
Most FLV's are just h264 in the flash video container. Try using flvextract to extract the audio and video streams:
http://www.afterdawn.com/software/au...lv_extract.cfm

Then just remux the streams in the mkv container with mkvmerge (download the latest version at the bottom):
http://www.bunkus.org/videotools/mkvtoolnix/win32/

You could also mux them in the mp4 container with Yamb.

If you want to re-encode them to make them smaller, you might still need to remux the streams and then use the one-click encoder option in MeGUI.
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