I'm attempting to use alsa-lib as a timing tool for a specialized
movie playback engine. It _must_ tick/wakeup at 24fps (every .04166
sec) and the input audio will be at 44.1khz/2 channel/16bit per chan.
For legacy reasons we need to use the poll based interface
(getting the file handle from
Pedro I. sanchez writes:
Try setting the *headphone* level high. I'm still waiting for a magic
wizard in the ALSA project to explain why a low headphone level will
shut off the sound output in this driver, even when the vol and pcm
levels are high.
Give it a try,
That was it. The Headphone
I've seen several other posts on this subject, but none seemed to
resolve the issue.
We have (many) (identical) machines with i810 sound chips on them, and
they work fine under OSS, but under ALSA no sound is emitted.
I've tried making sure all the appropriate (and inappropriate) volume
levels
