On Tue, May 24, 2016 at 19:50:26 +0200, Stefano Sabatini wrote: > What warnings? > > > [fftextdata @ 0xaf687a0] Using AVStream.codec to pass codec parameters to muxers is deprecated, use AVStream.codecpar instead. Yes, that one. > This one is currently shown in every conversion. Ah, I missed that. Moritz