Thanks Markus! I will try it, and tell you. Another question: when sdl draw guest OS uses some kind of 2d acceleration on host side? 2010/2/13 Markus Breitländer <breitlaender@xxxxxxxxxxxxxxxxxxx>: > 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 > -- 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
