[FFmpeg-user] Ffmpeg webm problem

[James Lu]

On Sat, Oct 22, 2011 at 12:54 PM, Reindl Harald <h.reindl at thelounge.net>wrote:

> i guess there are much more informations needes
>
> * OS + version
> * ffmpeg-version
> * version of libvpx
> * configure-flags of your ffmpeg
>
> why?
>
> because on all of my machnes with self-compiled ffmpeg/libvpx
> snaphsots of webm-files and convert rom all formats to webm
> and from webm to all formats works like a charme
>
> libvpx-0.9.7.1-2.fc15.20111022.rh.x86_64
> ffmpeg-libs-0.7.6-3.20111007git32000.fc15.20111022.rh.x86_64
> ffmpeg-0.7.6-3.20111007git32000.fc15.20111022.rh.x86_64
>
>
> [harry at srv-rhsoft:~]$ ffmpeg
> ffmpeg version 0.7.6-thelounge.net, Copyright (c) 2000-2011 the FFmpeg
> developers
>  built on Oct 22 2011 13:37:20 with gcc 4.6.1 20110908 (Red Hat 4.6.1-9)
>  configuration: --prefix=/usr --bindir=/usr/bin --datadir=/usr/share/ffmpeg
> --incdir=/usr/include/ffmpeg
> --libdir=/usr/lib64 --mandir=/usr/share/man --arch=x86_64
> --extra-cflags='-O6 -march=core2 -mtune=core2 -mmmx
> -msse2 -msse3 -msse4.1 -fopenmp -mfpmath=sse
> -fno-delete-null-pointer-checks -fstack-protector
> --param=ssp-buffer-size=4 -pipe -D_FORTIFY_SOURCE=2 -fexceptions'
> --extra-version=thelounge.net --enable-nonfree
> --enable-gpl --enable-version3 --enable-libopencore-amrnb
> --enable-libopencore-amrwb --enable-libdc1394
> --enable-libdirac --enable-libfaac --enable-libgsm --enable-libmp3lame
> --enable-libopenjpeg
> --enable-libschroedinger --enable-libspeex --enable-libtheora
> --enable-libvorbis --enable-libx264 --enable-libxvid
> --enable-libvpx --enable-librtmp --enable-avfilter --enable-postproc
> --enable-swscale --enable-bzlib --enable-zlib
> --enable-libfreetype --enable-pthreads --enable-fastdiv --enable-pic
> --enable-libopencv --enable-shared
> --disable-vdpau --disable-vaapi --disable-hwaccels --disable-static
> --disable-debug --shlibdir=/usr/lib64
> --cpu=core2 --enable-runtime-cpudetect
>
> Am 21.10.2011 11:15, schrieb red red:
> > Good morning i have a problem that i would like to have answer on.
> >
> > Please confirm if there is a possibility:
> >
> >    to conver from webm format to flv or any other format
> >    -
> >
> >    to create a image (thumbnail) from webm format
> >
> >
> >  I couldn't find any anser on the web that there is this possibility.
> > Converting to webm format is
> >
> > possible but from it only creates errors.
> >
> >
> >  This error occurs when trying to create a jpeg from webm movie:
> >
> > Unknown format is not supported as input pixel format.
> >
> >
> >  Please take seriously this email ant I thank i advance for any help
>
>
> _______________________________________________
> ffmpeg-user mailing list
> ffmpeg-user at ffmpeg.org
> http://ffmpeg.org/mailman/listinfo/ffmpeg-user
>
>
So, you should provide a command line that you used to get this error. I
suspect that if you use -vf to specify a pixel format then it would remove
the error?

Hope this helps,
James