to compile the latest gephex sources (the darcs ones) with the last
ffmpeg i had to do this :
in gephex--main--0.4_0/modules/src/ffmpegoutmodule/ffmpegwriter.cpp
replace (beginning at line 178) :
{
/* close the output file */
url_fclose(&oc->pb);
}
by :
{
/* close the output file */
url_fclose(oc->pb);
}