Messages in this thread | | | Date | Mon, 7 Jul 2003 20:39:11 +0100 | From | Jamie Lokier <> | Subject | Re: 2.5.74-mm1 |
| |
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.
-- Jamie - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |