>I guess there's an avcodec.h lying around in a place that MPlayer can't handle. >Maybe >./configure --extra-cflags=-I. >helps... Indeed I have installed ffmpeg on /opt/gnu and so there is a second avcodec.h file located in /opt/gnu/include/libavcodec However, even if I had installed ffmpeg in /usr, then the compilation would have failed again or I am totally wrong? Regards, Apostolos Syropoulos