[FFmpeg-devel] [PATCH]Mark experimental j2k decoder as experimental if libopenjpeg is available

Carl Eugen Hoyos cehoyos at ag.or.at
Tue Jun 9 01:25:58 CEST 2015

Michael Niedermayer <michaelni <at> gmx.at> writes:

> it seems libopenjpeg is not able to decode the files 
> generated with libopenjpeg.
> That is with the libopenjpeg from ubuntu 12.04 
> (1.3+dfsg-4+squeeze2build0.12.04.1)
> but ubuntu 14.04 ships a variant of 1.3 too
> test done with:
> ./ffmpeg -threads 1 -i matrixbench_mpeg2.mpg -vframes 1 
> -vcodec libopenjpeg -format j2k test.j2k
> ./ffplay -vcodec libopenjpeg test.j2k

Sorry, I seem to have missed this mail.
I get bitexact output with libopenjpeg encoding 
and decoding.
This is with libopenjpeg 1.5.0 which is from 
2012 (afaiu).

Carl Eugen

More information about the ffmpeg-devel mailing list