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

Don Davis dondavis at reglue.org
Mon May 10 06:53:03 CDT 2010


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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