# Portal Done Pro

**URL:** <https://forums.sourceruns.org/t/portal-done-pro/1726>\
**Category:** Other Source Games and Mods\
**Created:** [May 16, 2010, 10:19am UTC](https://forums.sourceruns.org/t/portal-done-pro/1726 "2010-05-16T10:19:45Z")\
**Posts on this page:** 1\
**Showing post:** 64

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**Author:** ![DemonStrate](https://b-cdn.sourceruns.org/user_avatar/forums.sourceruns.org/demonstrate/32/10_2.png) [@DemonStrate](https://forums.sourceruns.org/u/DemonStrate)\
**Post date:** [July 12, 2010, 10:07am UTC](https://forums.sourceruns.org/t/portal-done-pro/1726/64 "2010-07-12T10:07:24Z")

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> [@Cameron:D](#):
>
> EDIT EDIT: You’ll probably end up using the direct to avi output, if so, use this codec:  
> [http://www.free-codecs.com/download/x264\_video\_codec.htm](http://www.free-codecs.com/download/x264_video_codec.htm)

I’m still not understanding how the drop down list that appears when you do the “startmovie NAME avi” is populated. Where does it get the codecs that are available?

Edit: This one…

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