Hi,
a programming question.
I need an ioctl or some other API to find out whether the sound card
has completely processed the buffers. Something exactly like
ioctl(SNDCTL_DSP_SYNC), but an asynchronous breed.
I have looked at audio.c and there is no such ioctl.
The only solution known to me is to write the neutral sample (silence)
asynchronously to the sound card until a bufferfarmfull bytes is
written, then ioctl(SNDCTL_DSP_RESET). This is however ugly as
12-bit FAT.
In case there is no better approach available, what would you think of a
new ioctl (say SNDCTL_DSP_BUSY)?
Jirka
