Hello, my suggestion below NJ:=Nicolas Jauffret NJ> On Thu, 29 Mar 2007 14:28:29 +0200, Andrea Barbieri NJ> <andrea.barbieri at movingimageresearch.com> wrote: NJ> NJ> >Hello, NJ> > NJ> >NJ:=Nicolas Jauffret NJ> > NJ> > NJ> ...snip... NJ> > NJ> NJ> > NJ> > > NJ> And, how come it does not return an error code to the NJ> > NJ> > > NJ> shell ? NJ> > NJ> > > NJ> > NJ> > >another bug? NJ> > NJ> > NJ> > NJ> >That may be a bug. NJ> > NJ> NJ> > NJ> How to report it to developpers ? NJ> > NJ> >as mentioned in http://ffmpeg.mplayerhq.hu/mailinglists.html NJ> >in theory it should be sufficient to post it to the ffmpeg-user list (as NJ> >you obviously have done in the first place)... NJ> > NJ> >as suggested by Baptiste it seems that one also needs to subscribe to NJ> >the ffmpeg-devel list and report it there (it seems a bit weird to me NJ> >though, because that list is dedicated to those participating in the NJ> >active development of ffmpeg) NJ> NJ> Thank you for your quick answers. NJ> That's too bad ffmpeg does not manage well the quicktime mov format NJ> conversion. NJ> From a jpeg sequence, there is no problem. NJ> But when I try to convert an avi file, there is a problem with the sound NJ> stream. NJ> Would you know any way to circumvent this problem ? NJ> NJ> ffmpeg -i foo.%d.jpg -i bar.wav -vcodec mpeg4 -acodec mp3 out.mov NJ> => Readable with mplayer (no sound without "-demuxer lavf" parameter) NJ> => readable with MacOS QtPlayer 7.1.5 NJ> NJ> ffmpeg -i foo.avi -vcodec copy -acodec mp3 out.mov NJ> => Readable with mplayer (no sound without "-demuxer lavf" parameter) NJ> => Unreadable with MacOS QtPlayer 7.1.5 NJ> try the conversion without video essence: ffmpeg -i foo.avi -acodec mp3 out.mov the simpler the problem the better it is to pinpoint a possible bug could it be that the avi parser (unlike the wav parser) is not filling up properly all the required parameters for the mov writer? you can use mpeg4ip or Dumpster (Apple quicktime downloadable tool) to inspect the problematic movie clip cheers, andrea -- Andrea Barbieri Moving Image Research http://www.movingimageresearch.com/ The Workshop, Hampton Lane, Bristol, BS6 6LE, UK Tel: +44 117 9732200 FAX: +44 117 9732210 PGP ID=0x034DFD5A KeyFingerprint=C168EA9A7189538D214F1281A7529F32034DFD5A