I am using ALSA 0.9.0rc7 and Red Hat Linux 7.2. My sound card is a CS461x.
My computer is a reasonably powerful beast with 512M of RAM and 1Gig clock
speed.
I have written a simple capture program which reads interleaved samples from
the sound card and goes around in a continuous while(1) loop. My program
works perfectly - until it crashes after several hours with the message:
"read from audio interface failed: broken pipe".
I have narrowed it down to the following piece of code. Why would the
snd_pcm_readi suddenly (randomly?) fail with a broken pipe??? Any ideas or
suggestions would be greatly appreciated as I'm struggling with this
annoying (and difficult to debug) problem.
Regards,
Pete
while (1)
{
if ((err = snd_pcm_readi(capture_handle,buf,128)) != 128
{
// this is where it fails after several hours of working
successfully
cout << "read from audio interface failed: " << snd_strerror(err) <<
endl;
exit(1);
}
}
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