MPlayer error

[AO_ALSA] alsa-lib: dlmisc.c:236:(snd1_dlobj_cache_get) Cannot open shared library /usr/lib/alsa-lib/libasound_module_pcm_pulse.so
[AO_ALSA] Playback open error: No such device or address
Failed to initialize audio driver 'alsa'
AO: [oss] 44100Hz 2ch s16le (2 bytes per sample)
Video: no video
Starting playback...
A: 103.1 (01:43.0) of 185.0 (03:05.0)  0.5%