[linux-audio-dev] timemachine auto recorder patch

[Garett Shulman]

Steve Harris wrote:

>On Sat, Jan 14, 2006 at 12:41:33 -0700, Garett Shulman wrote:
>  
>
>>Hello, I have created a patch that allows timeachine to automatically 
>>start and stop recording based on the audio signal. Recording will start 
>>when a sample value exceeds a start threashold. Recording stops when 
>>sample values remain below a stop threashold for a period of time. 
>>    
>>
>
>Nice.
>
>  
>
>>However if I try to start timemachine backgrounded it just seems to exit 
>>and brings jack down with it. If I run it in the foreground and try to 
>>killall timemachine it does not exit gracefully but brings jack down as 
>>well. In either case I see output from jack like:
>>
>>subgraph starting at time timed out (subgraph_wait_fd = 7, status = 0, 
>>state = Triggered)
>>jackd watchdog: timeout - killed jack
>>[1]+ Killed      timemachine
>>    
>>
>
>Try adding an atexit(3) handler that exits from the jack graph.
>Timemachine should not be able to bring down jack, so that is probably a
>bug in jack, though it might well be triggered by a bug in timemachine.
>
>I can't think of any reasons why timemachine might not like being
>backgrounded offhand.
> 
>  
>
>>+/* garetts mod here */
>>    
>>
>
>You might want to stop this, the ChangeLog + CVS stuff can represent
>this in a more programmer friendly way. I everyone did that youd never
>be able to read the code ;)
>
>  
>
Thanks for the tip. That's mostly a hacking aid. Guess I shouldn've 
pulled those out of the patch.

>- Steve
>  
>