[alsa-devel] [pulseaudio-discuss] snd_pcm_avail no reliable

[Raymond Yau]

>
>     I tried using a smaller period_size (about 1/16 of hwbuf_size),
snd_pcm_avail returned a better value.

Period bytes  = 2Kbytes which is still larger than the default
rewind_safeguard 512 bytes

>     But cpu usage moved from 1% to 4%, since we are using it in a
automotive, we don`t care about power saving,  I think it is acceptable.
>
>     But I`m not sure if there is any other down side about "time based
scheduling" ?
>
>