Qualcuno mi sa aiutare please? ho risolto alcune dipendenze richieste da transcode ma queste 3 non riesco a capire come fare!

ERROR: requirement failed: cannot compile ffmpeg/avcodec.h
ffmpeg/avcodec.h can be found in the following packages:
FFMpeg http://www.ffmpeg.org/

ERROR: requirement failed: cannot link against libavcodec
libavcodec can be found in the following packages:
FFMpeg http://www.ffmpeg.org/

ERROR: requirement failed: cannot link against libmpeg2
libmpeg2 can be found in the following packages:
mpeg2dec http://libmpeg2.sourceforge.net/


ffmpeg è installato:

[root@localhost transcode-1.0.2]# rpm -qa|grep ffmpeg
ffmpeg-0.4.9-0.pre1.5.1.20060mdk
lib64ffmpeg0-0.4.9-0.pre1.5.1.20060mdk


mpeg2dec non si installa, dando il ./configure mi da (metto le ultime righe):

...........
/root/tmp/ccEPaQfk.s: Assembler messages:
/root/tmp/ccEPaQfk.s:37: Error: suffix or operands invalid for `pop'
/root/tmp/ccEPaQfk.s:40: Error: suffix or operands invalid for `push'
/root/tmp/ccEPaQfk.s:43: Error: suffix or operands invalid for `pop'
make[2]: *** [libmpeg2arch_la-cpu_accel.lo] Error 1
make[2]: Leaving directory `/home/max/Download/mpeg2dec-0.4.0/libmpeg2'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/home/max/Download/mpeg2dec-0.4.0/libmpeg2'
make: *** [all-recursive] Error 1