Davide Libenzi wrote:
> Try to play with SNDCTL_DSP_SETFRAGMENT. Last time I checked the kernel
> let you set a dma buf for 0.5 up to 1 sec of play (upper limited by 64Kb).
> Feeding the sound card with 4Kb writes will make you skip after about 50ms
> CPU blackout at 44KHz 16 bit. RealPlayer uses 16Kb feeding chunks that
> makes it able to sustain up to 200ms of blackout.
Large buffers are fine for streaming, provided you aren't sliding the
volume or graphic equaliser. I find xmms annoying in this regard: I
adjust the eq and wait some absurd length of time (fully tenths of a
second :) to hear the feedback.
Large buffers are useless for games or telephony.
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to email@example.com
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Mon Jul 07 2003 - 22:00:30 EST