Julien J. <chatlumo.ovh <at> gmail.com> writes: > LD ffmpeg_g > libavcodec/libavcodec.a(libx264.o): In function `X264_init': > /home/sources/ffmpeg/libavcodec/libx264.c:487: undefined > reference to `x264_encoder_open_125' I suspect your x264 installation is broken (header and library version are different). Carl Eugen