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Compressed AVI MJPEG matte support

Posted: 20 Dec 2011, 14:30
by papparaffie
I noticed the New AVI filesize is rather large, not to say huge.
About 385 MB for a 2 sec. RGBA HD clip.

Exporting the same clip as MJPEG compression:55 results in a 2 MB clip, and still produces a very acceptable result (or compression:100, which really looks good > 13 MB). Yet there is no Alpha (of course). Now I have to flatten my clip, turn it to black and white, export this with the same settings and use it as a track matte, when used in other applications.

Might it be an idea to have a "save track matte" checkbox (or something alike) in the AVI export setting, which will turn the clip to a black movie taking in consideration the transparancy as black?

Re: Compressed AVI MJPEG matte support

Posted: 27 Dec 2011, 14:47
by Fabrice
hmmm, our developpers are not in the office nowadays, and I prefer them to answer on this specific point.
You should have an answer later at the beginning of next week.

nb : for those who asked me : "AVI DirectShow" is the same as the old AVI format.

Re: Compressed AVI MJPEG matte support

Posted: 21 May 2012, 15:58
by papparaffie
Any insight on this option yet?