You can alter the sound driver settings by setting some variables before starting the VM. I use the following in my start scripts: export QEMU_AUDIO_DRV=alsa export QEMU_AUDIO_DAC_FIXED_FREQ=48000 export QEMU_AUDIO_ADC_FIXED_FREQ=48000 export QEMU_ALSA_DAC_BUFFER_SIZE=4096 Maybe this helps? Greets, Markus Am 13.02.2010 13:39, schrieb Alberich de megres: > Hi!! > > I got a curious situation that leads me to start sailing on qemu-kvm > source code. > > I got an audio latency very very high, even with some little cuts at > playback. In qemu lists they told me qemu is synchronous, so if it > take so long to draw high screen resolution audio could be affected. > As I saw, qemu uses sdl to draw guest screen on host computer, my > question is: when sdl draw it uses some kind of 2d acceleration? > > Woulld it be hard to make for example screen draw asynchronously to > audio playback? where would be a good point to start look for how to > do it? > > Thanks! > -- > To unsubscribe from this list: send the line "unsubscribe kvm" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
