Thanks. Got the svn thing like you said and installed it: debian/ binary like it said to produce a deb file, which I installed. The main problem is there is no alsa: eric at fido:~$ mplayer Politics/Chomsky/Noam_Chomsky- Big_Business_And_The_General_Population_128.mp3 Starting mcatcher v7.2. No such audio driver 'alsa' [AO OSS] audio_setup: Can't open audio device /dev/dsp: Device or resource busy DVB card number must be between 1 and 4 MPlayer SVN-r31357-4.3.2 (C) 2000-2010 MPlayer Team Playing Politics/Chomsky/Noam_Chomsky- Big_Business_And_The_General_Population_128.mp3. Audio only file format detected. Clip info: Title: Big Business And The General P Artist: Noam Chomsky Album: The Emerging Framework Of Worl Year: Comment: Genre: Blues ========================================================================== Opening audio decoder: [mp3lib] MPEG layer-2, layer-3 AUDIO: 44100 Hz, 2 ch, s16le, 128.0 kbit/9.07% (ratio: 16000- >176400) Selected audio codec: [mp3] afm: mp3lib (mp3lib MPEG layer-2, layer-3) ========================================================================== AO: [null] 44100Hz 2ch s16le (2 bytes per sample) Video: no video Starting playback... mcatcher v7.2 playing: Noam Chomsky - Big Business And The General P A: 23.8 (23.7) of 225.0 (03:45.0) 0.4% Exiting... (Quit) [00:00:24] mcatcher v7.2: Not storing movie position. eric at fido:~$ mplayer -ao help Starting mcatcher v7.2. MPlayer SVN-r31357-4.3.2 (C) 2000-2010 MPlayer Team Available audio output drivers: ID_AUDIO_OUTPUTS oss OSS/ioctl audio output mpegpes DVB audio output v4l2 V4L2 MPEG Audio Decoder output null Null audio output pcm RAW PCM/WAVE file writer audio output I looked up another thread and it said to install libasound2-dev so did this and recompiled. But it still does not work - no alsa audio output driver - above error message. Any help greatly appreciated. I had mplayer working perfectly before except for mp4 files.