Please show the result of;
$ ldd /usr/bin/mplayer
Dear Masaru, Here they are: linux-gate.so.1 => (0xffffe000) libdirectfb-1.1.so.0 => /usr/lib/libdirectfb-1.1.so.0 (0xb7eb7000) libXext.so.6 => /usr/lib/libXext.so.6 (0xb7ea8000) libX11.so.6 => /usr/lib/libX11.so.6 (0xb7d87000) libpthread.so.0 => /lib/libpthread.so.0 (0xb7d6f000) libXss.so.1 => /usr/lib/libXss.so.1 (0xb7d6b000) libXv.so.1 => /usr/lib/libXv.so.1 (0xb7d65000) libXvMC.so.1 => /usr/lib/libXvMC.so.1 (0xb7d5f000) libXvMCW.so.1 => /usr/lib/libXvMCW.so.1 (0xb7d59000) libXinerama.so.1 => /usr/lib/libXinerama.so.1 (0xb7d55000) libXxf86vm.so.1 => /usr/lib/libXxf86vm.so.1 (0xb7d4f000) libXxf86dga.so.1 => /usr/lib/libXxf86dga.so.1 (0xb7d48000) libGL.so.1 => /usr/lib/libGL.so.1 (0xb7ce4000) libdl.so.2 => /lib/libdl.so.2 (0xb7cdf000) libaa.so.1 => /usr/lib/libaa.so.1 (0xb7cc4000) libcaca.so.0 => /usr/lib/libcaca.so.0 (0xb7cb7000) libSDL-1.2.so.0 => /usr/lib/libSDL-1.2.so.0 (0xb7c20000) libesd.so.0 => /usr/lib/libesd.so.0 (0xb7c15000) libaudiofile.so.0 => /usr/lib/libaudiofile.so.0 (0xb7bf1000) libm.so.6 => /lib/libm.so.6 (0xb7bca000) libasound.so.2 => /usr/lib/libasound.so.2 (0xb7b12000) libpulse.so.0 => /usr/lib/libpulse.so.0 (0xb7ac2000) libjack.so.0 => /usr/lib/libjack.so.0 (0xb7aa8000) libfaac.so.0 => /usr/lib/libfaac.so.0 (0xb7a96000) libx264.so.65 => /usr/lib/libx264.so.65 (0xb7a00000) libmp3lame.so.0 => /usr/lib/libmp3lame.so.0 (0xb798a000) libgtk-x11-2.0.so.0 => /usr/lib/libgtk-x11-2.0.so.0 (0xb7603000) libgdk-x11-2.0.so.0 => /usr/lib/libgdk-x11-2.0.so.0 (0xb757c000) libatk-1.0.so.0 => /usr/lib/libatk-1.0.so.0 (0xb7561000) libgdk_pixbuf-2.0.so.0 => /usr/lib/libgdk_pixbuf-2.0.so.0 (0xb7548000) libpangocairo-1.0.so.0 => /usr/lib/libpangocairo-1.0.so.0 (0xb753d000) libpango-1.0.so.0 => /usr/lib/libpango-1.0.so.0 (0xb74ff000) libcairo.so.2 => /usr/lib/libcairo.so.2 (0xb747d000) libgobject-2.0.so.0 => /usr/lib/libgobject-2.0.so.0 (0xb7442000) libgmodule-2.0.so.0 => /usr/lib/libgmodule-2.0.so.0 (0xb743e000) libglib-2.0.so.0 => /usr/lib/libglib-2.0.so.0 (0xb7389000) libncurses.so.5 => /lib/libncurses.so.5 (0xb7351000) libsmbclient.so.0 => /usr/lib/libsmbclient.so.0 (0xb6fcb000) libpng12.so.0 => /usr/lib/libpng12.so.0 (0xb6fa4000) libz.so.1 => /lib/libz.so.1 (0xb6f90000) libjpeg.so.62 => /usr/lib/libjpeg.so.62 (0xb6f6f000) libgif.so.4 => /usr/lib/libgif.so.4 (0xb6f66000) libcdda_interface.so.0 => /usr/lib/libcdda_interface.so.0 (0xb6f56000) libcdda_paranoia.so.0 => /usr/lib/libcdda_paranoia.so.0 (0xb6f4d000) libfreetype.so.6 => /usr/lib/libfreetype.so.6 (0xb6eda000) libfontconfig.so.1 => /usr/lib/libfontconfig.so.1 (0xb6eac000) libfribidi.so.0 => /usr/lib/libfribidi.so.0 (0xb6e9c000) libenca.so.0 => /usr/lib/libenca.so.0 (0xb6e76000) liblzo2.so.2 => /usr/lib/liblzo2.so.2 (0xb6e53000) libspeex.so.1 => /usr/lib/libspeex.so.1 (0xb6e3c000) libtheora.so.0 => /usr/lib/libtheora.so.0 (0xb6deb000) libogg.so.0 => /usr/lib/libogg.so.0 (0xb6de5000) libdca.so.0 => /usr/lib/libdca.so.0 (0xb6dbe000) libstdc++.so.6 => /usr/lib/libstdc++.so.6 (0xb6cce000) libamrnb.so.3 => /usr/lib/libamrnb.so.3 (0xb6c8f000) libamrwb.so.3 => /usr/lib/libamrwb.so.3 (0xb6c62000) libdv.so.4 => /usr/lib/libdv.so.4 (0xb6c2f000) libxvidcore.so.4 => /usr/lib/libxvidcore.so.4 (0xb6b1d000) libdirac_encoder.so.0 => /usr/lib/libdirac_encoder.so.0 (0xb6a83000) libdirac_decoder.so.0 => /usr/lib/libdirac_decoder.so.0 (0xb6a12000) libschroedinger-1.0.so.0 => /usr/lib/libschroedinger-1.0.so.0 (0xb698f000) liboil-0.3.so.0 => /usr/lib/liboil-0.3.so.0 (0xb6925000) librt.so.1 => /lib/librt.so.1 (0xb691c000) liblirc_client.so.0 => /usr/lib/liblirc_client.so.0 (0xb6915000) libdvdnavmini.so.4 => /usr/lib/libdvdnavmini.so.4 (0xb6902000) libgcc_s.so.1 => /lib/libgcc_s.so.1 (0xb68f4000) libc.so.6 => /lib/libc.so.6 (0xb67b0000) libdirect-1.1.so.0 => /usr/lib/libdirect-1.1.so.0 (0xb679a000) libfusion-1.1.so.0 => /usr/lib/libfusion-1.1.so.0 (0xb6790000) libXau.so.6 => /usr/lib/libXau.so.6 (0xb678c000) libxcb-xlib.so.0 => /usr/lib/libxcb-xlib.so.0 (0xb6789000) libxcb.so.1 => /usr/lib/libxcb.so.1 (0xb676f000) /lib/ld-linux.so.2 (0xb7f43000) libXdamage.so.1 => /usr/lib/libXdamage.so.1 (0xb676b000) libXfixes.so.3 => /usr/lib/libXfixes.so.3 (0xb6765000) libdrm.so.2 => /usr/lib/libdrm.so.2 (0xb675a000) libgpm.so.1 => /usr/lib/libgpm.so.1 (0xb6753000) libcucul.so.0 => /usr/lib/libcucul.so.0 (0xb66b5000) libslang.so.2 => /usr/lib/libslang.so.2 (0xb65e6000) libncursesw.so.5 => /lib/libncursesw.so.5 (0xb65a4000) libSM.so.6 => /usr/lib/libSM.so.6 (0xb659b000) libICE.so.6 => /usr/lib/libICE.so.6 (0xb6581000) libXcomposite.so.1 => /usr/lib/libXcomposite.so.1 (0xb657c000) libXrender.so.1 => /usr/lib/libXrender.so.1 (0xb6572000) libXi.so.6 => /usr/lib/libXi.so.6 (0xb6569000) libXrandr.so.2 => /usr/lib/libXrandr.so.2 (0xb6561000) libXcursor.so.1 => /usr/lib/libXcursor.so.1 (0xb6557000) libpangoft2-1.0.so.0 => /usr/lib/libpangoft2-1.0.so.0 (0xb652e000) libglitz.so.1 => /usr/lib/libglitz.so.1 (0xb6506000) libxcb-render-util.so.0 => /usr/lib/libxcb-render-util.so.0 (0xb6501000) libxcb-render.so.0 => /usr/lib/libxcb-render.so.0 (0xb64f9000) libpcre.so.0 => /usr/lib/libpcre.so.0 (0xb64cf000) libtalloc.so.1 => /usr/lib/libtalloc.so.1 (0xb64c5000) libtdb.so.1 => /usr/lib/libtdb.so.1 (0xb64b7000) libwbclient.so.0 => /usr/lib/libwbclient.so.0 (0xb64ae000) libcrypt.so.1 => /lib/libcrypt.so.1 (0xb6478000) libresolv.so.2 => /lib/libresolv.so.2 (0xb6465000) libnsl.so.1 => /lib/libnsl.so.1 (0xb644e000) libgssapi_krb5.so.2 => /usr/lib/libgssapi_krb5.so.2 (0xb6422000) libkrb5.so.3 => /usr/lib/libkrb5.so.3 (0xb638e000) libk5crypto.so.3 => /usr/lib/libk5crypto.so.3 (0xb6369000) libcom_err.so.2 => /lib/libcom_err.so.2 (0xb6365000) libkeyutils.so.1 => /lib/libkeyutils.so.1 (0xb6361000) libldap-2.4.so.2 => /usr/lib/libldap-2.4.so.2 (0xb6322000) liblber-2.4.so.2 => /usr/lib/liblber-2.4.so.2 (0xb6312000) libnscd.so.1 => /lib/libnscd.so.1 (0xb630f000) libexpat.so.1 => /lib/libexpat.so.1 (0xb62e8000) libkrb5support.so.0 => /usr/lib/libkrb5support.so.0 (0xb62de000) libsasl2.so.2 => /usr/lib/libsasl2.so.2 (0xb62c5000) libssl.so.0.9.8 => /usr/lib/libssl.so.0.9.8 (0xb6280000) libcrypto.so.0.9.8 => /usr/lib/libcrypto.so.0.9.8 (0xb613c00