[FFmpeg-user] Introduction and problem with decoding DCP (jpeg2000 wrapped in MXF)

Carles Vila cvilad at gmail.com
Fri Oct 24 13:25:46 CEST 2014

Mitch, Thanks for taking the time and do the test. This confirms the
problem is on my side.
And Carl Eugen, thanks for knowing what I'm talking about!
I installed ffmpeg one week ago on my mac via homebrew, using this command:

brew install ffmpeg --with-fdk-aac --with-ffplay --with-freetype
--with-frei0r --with-libass --with-libvo-aacenc --with-libvorbis
--with-libvpx --with-opencore-amr --with-openjpeg --with-opus
--with-rtmpdump --with-schroedinger --with-speex --with-theora --with-tools

So, in theory nothing would be disabled. Should I compile ffmpeg in some
other way?
Thank you

On 24 October 2014 12:59, Carl Eugen Hoyos <cehoyos at ag.or.at> wrote:

> Carles Vila <cvilad <at> gmail.com> writes:
> > --enable-libopenjpeg
> > --disable-decoder=jpeg2000
> I know why you are doing this (and I recommended it often)
> but it makes detection of xyz impossible.
> We should probably work on this but I suspect the easiest
> solution is to compile without "--disable-encoder" and
> specify the decoder you want:
> $ ffmpeg -vcodec libopenjpeg -i input.mxf
> This will use the internal decoder only to decide the
> pix_fmt but will use the (bitexact!) libopenjpeg
> decoder for actual decoding.
> Carl Eugen
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