[Cin] MLRAW

Andrew Randrianasulu randrianasulu at gmail.com
Tue Feb 12 22:21:24 CET 2019


Update!

Eugenia suggested to look at this app instead (much more modern, open-source)
:

https://github.com/ilia3101/MLV-App



В сообщении от Tuesday 12 February 2019 23:35:50 edouard chalaron написал(а):
> Hello all
> Raw video from machine visions can be handled like that
> ffmpeg -threads 4 -f rawvideo -pixel_format bgr24 -r 16 -video_size
> 2332x1752 -i reel02_dec -pix_fmt rgb24 -vcodec qtrle -r 16
> /home/movies_bretagne/reel02.mov
> another example for 48 bits
> ffmpeg -threads 4 -f rawvideo -pixel_format bgr48 -video_size 2332x1404
> -i Reel3976_dec -pix_fmt rgb48 whatever_codec_one_wants_to_use
> Reel3976.mov
> I believe trying to incorporate it into Cinelerra is a bit pointless,
> if anything an export in TIFF files proves to work faster and Cinelerra
> is already equipped for that.
> Depending on the machine bgr24/48 may need to be rgb24/48. I use either
> of them depending on the camera I use
> Only if my assumption of the rawvideo concept is what we are talking
> about here !CheersEd
>
> On Tue, 2019-02-12 at 12:53 -0700, Phyllis Smith wrote:
> > This morning GG had time to look at this.  (BTW, he is not much for
> > reading or writing email so I have to let him know and then type in
> > his response, so sometimes I do not get it all conveyed correctly).
> >
> > When I initially read only a few of the 86 pages, I searched for some
> > download MLV examples and downloaded a couple from one place and then
> > 1 from where Andrew mentioned.  Apparently ffmpeg can load them into
> > cinelerra and the Video compression in Info is rawvideo, but of
> > course they look awful as is (maybe a proper LUT would solve this?).
> >
> > We also checked to see if "dcraw" of Dave Coffin handles this raw
> > format as that is his area of expertise and saw no reference on his
> > web site concerning Magic Lantern.  But we still tried using
> > Cinelerra's probe order in Settings to see whether his included
> > program handled it.  It did not.
> >
> > Bottom line is that if there is ever a user who really needs to be
> > able to handle MLV files in cinelerra, gg could see about doing that
> > and will keep this in mind.   gg/Phyllis




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