[x264-devel] problem integration libx264 in ffmpeg

Michael Eichhorn devil.69 at gmx.de
Thu Aug 6 08:09:10 CEST 2009


Hello all,

i am not sure which list is better ffmpeg or x264, but i decided
to contact first yours.

i found a problem in case of integrating libx264 in ffmpeg.

everything is working (configure, make of both libs), but if you
want to start encoding with a call like:
"ffmpeg -i test.XXX -vcodec libx264 test_new.XXX" 
there is an error "Error while opening codec for output stream #0.0 - maybe incorrect parameters such as bit_rate, rate, width or height "
the error message is thrown by the avcodec_open function of ffmpeg.

i tested serveral ffmpeg versions and several x264 versions. and i found out that the ffmpeg version is working, but for example the x264 version
from the 27.7.09 is broken, but the version from the 1.7.09 is working.
i dont had so much time to test in which version the error definitivly apprear. sorry.

i hope this information is interesting for you. otherwise perhaps you can contact someone of the ffmpeg crew.

best regards,
michael
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