[linux-audio-user] ALSA device sharing?

Hello! Does alsa allow several programs to use one device, with soft mixing? I have switched to alsa drivers, recompiled fluidsynth for alsa, and tried to run it under KDE (in a Konsole su root). It failed: === ALSA lib pcm_hw.c:866:(snd_pcm_hw_open) open /dev/snd/pcmC0D0p failed: Device or resource busy fluidsynth: error: The "default" audio device is used by another application Failed to create the audio driver === Now, I thought I could get rid of arts and let alsa handle softmixing, but... will it? Well, I can install JACK. But I'm not only doing music creation. I want to play MP3s via XMMS, watch videos with Xine, etc. Are there JACK output plugins, at least, for XMMS and Xine? -- Sincerely yours, Mikhail Ramendik