Re: [Alsa-user] realtime adjustable delay with alsa in full-duplex capture and playback

2011-11-15 Thread Clemens Ladisch
John Donson wrote: > I want to realize an application that features a constant but realtime > adjustable So, "_not_ constant". :) > delay between playback and capture PulseAudio does this. > I know this can be accomplished by proper buffer length settings for > a fixed delay. But it should be

[Alsa-user] realtime adjustable delay with alsa in full-duplex capture and playback

2011-11-15 Thread John Donson
Hi I want to realize an application that features a constant but realtime adjustable delay between playback and capture with mmap alsa lib usage. The idea is to use up/down button with process messaging to fine tune sync between audio and video. I am using a commercial DVB-S reciever with AC3-O