[FFmpeg-devel] Task for beginner : lossless JPEG transformations

Thilo Borgmann thilo.borgmann at mail.de
Fri Jul 23 21:26:41 EEST 2021


Hi,

> In case somebody is looking for a task to begin working on FFmpeg, I
> have the following suggestion.
> 
> The program jpegtran, from libjpeg / libjpeg-turbo, can do lossless or
> almost-lossless crop and rotate on JPEG, and even overlay with the most
> recent versions.
> 
> I think this would be welcome in FFmpeg as bitstream filters: porting or
> re-implementing (check the license!) jpegtran's code would be an useful
> task.
> 
> Unfortunately, I know nothing about JPEG, so I cannot easily help /
> mentor. I am just suggesting.

thanks for the suggestion!
IIRC there is be a "simple" tasks list in our trac somewhere - adding this there might be useful.

-Thilo


More information about the ffmpeg-devel mailing list