[mythtv-commits] Ticket #4764: alsa buffer problem introduced in 15893

[MythTV]

#4764: alsa buffer problem introduced in 15893
--------------------+-------------------------------------------------------
 Reporter:  manwe   |        Owner:  danielk 
     Type:  patch   |       Status:  assigned
 Priority:  minor   |    Milestone:  0.22    
Component:  mythtv  |      Version:  head    
 Severity:  medium  |   Resolution:          
  Mlocked:  0       |  
--------------------+-------------------------------------------------------

Comment(by Neil Garratt <ngarratt at gmail.com>):

 Replying to [comment:16 markspieth]:
 > so the solution is to choose fragment as 6144 for 2ch (scaled for 6ch)
 > periodtime as something low (I chose 25ms) and buffer time something
 large enough.
 > From other posts I chose 16*25 which will generally alloc all of the 64K
 that (my) alsa uses as max.
 >
 >
 > please test and see if it works in the various modes (esp. spdif)
 >

 A buffer_time of 400000 was the lowest value I found usable previously, to
 this fixes it for me. I still can't timestretch AC3 material though,
 because it switches from the passthru ALSA device to the default ALSA
 device.

-- 
Ticket URL: <http://svn.mythtv.org/trac/ticket/4764#comment:24>
MythTV <http://www.mythtv.org/>
MythTV