[SATLUG] How to make video from a sequence of JPGs?

redpill toddwbucy at grandecom.net
Mon May 10 07:36:16 CDT 2010


Have you tried cinelerra.  It has been a while but I am pretty sure it
does stop-motion pretty well
http://cinelerra.org/
Todd

On Mon, 2010-05-10 at 07:19 -0500, Don Davis wrote:
> Thank you.
> The mencoder solution worked great. Thank you.
> The gimp solution is playing one picture continuously. I'll need to 
> learn how to use that.
> Even the one I had made in kdenlive works.
> 
> I'm really curious why ffmpeg isn't working.
>   Stream #0.0: Video: mjpeg, yuvj422p, 772x514 [PAR 72:72 DAR 386:257], 
> 20 tbr, 20 tbn, 20 tbc
> Error opening filters!
> 
> 
> Don Davis wrote:
> > I noticed that along the way with installing my own ffmpeg I have messed 
> > up some code installation. All dvds play wrong now. I'll have to fix 
> > that first. I'll let you know what happens.
> > Thank you.
> > 
> > 
> > Borries Demeler wrote:
> >>> Thank you. Well, it almost worked. It made the film but the picture 
> >>> was distorted very tall and narrow and mostly black and white. What 
> >>> do you suggest now?
> >>
> >> Are all the images of the same size and aspect ratio?
> >> If not, you may need to crop them to be of identical dimension.
> >> The b/w issue seems to suggest that there is something wrong with
> >> your mencoder installation. If you want, I'll run the command for you,
> >> if you can upload your images somewhere I'll give it a try.
> >>
> >> -Borries
> >>
> >>>
> >>> Borries Demeler wrote:
> >>>>> It seems as if it should be straightforward to make a video from a 
> >>>>> sequence of jpgs; however,
> >>>>>
> >>>>> using stopmotion there is an I/O error
> >>>>> using ffmpeg stops on an opening filters error
> >>>>> using kdenlive - I can play the movie but when I export I only see 
> >>>>> a black screen.
> >>>>>
> >>>>> (I've tried compiling my own ffmpeg but that didn't seem to help.)
> >>>> You can make an mpg format (below with 10 frames/sec) using mencoder.
> >>>> mpeg2 format is what's used in DVD movies. Run this from the directory
> >>>> that contains the jpg files:
> >>>> mencoder mf://*.jpg -mf fps=10:type=jpg -o my-movie.mpg -ovc lavc 
> >>>> -lavcopts vcodec=mpeg2video:vbitrate=1800
> >>>>
> >>>>
> >>>> You will need the dvd codec to play it back (any dvd playback 
> >>>> software will do).
> >>>>
> >>>> -borries.
> >>> -- 
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> 




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