bugBattle for Wesnoth - Bugs: bug #21937, sound and music lags/screech...

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bug #21937: sound and music lags/screech sometimes if a lot of sound acitivity is produced

Submitted by:  LAZA <laza>
Submitted on:  Sat Apr 19 16:19:32 2014  
Category: BugSeverity: 2 - Minor
Priority: 5 - NormalItem Group: Sound and music
Status: NonePrivacy: Public
Assigned to: NoneOpen/Closed: Open
Release: 1.11.12Operating System: Windows 8.1

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Sat Oct 17 10:51:17 2015, comment #6:

Glad to know this seems to be resolved by switching to ALSA. It begs the question whether this is still an issue with the current state of PulseAudio, though.

Also, any particular reason you're playing in a Win8 VM and not your Xubuntu host itself?

Wedge009 <wedge009>
Project Member
Sat Jun 21 07:40:01 2014, comment #5:

Okay, i could solve this problem thanks to the ubuntuusers forum:

Changing the Audio - Audio Driver from PulseAudio to ALSA the lag is gone and works smooth with music and all!

Tested with 1.11.15

LAZA <laza>
Mon Jun 16 02:26:22 2014, comment #4:

Since I tend to get noise and lag (under 0.3 seconds) in sounds played by any application running under a Windows guest in VirtualBox, and you mentioned that the guest display resolution has an impact, I'm more inclined to suspect this is a problem with VirtualBox itself and not Wesnoth.

Nevertheless, if it isn't much trouble for you (i.e. if you don't mind the big download), is there any chance you could try Wesnoth 1.11.11 and compare the results? There was a minor change to our mixer setup in 1.11.12:

Ignacio R. Morelle <shadowmaster>
Project Administrator
Sun May 25 14:06:59 2014, comment #3:

Okay, to verify the bug, i created a new VM:

VirtualBox 4.3.12 (repo in Trusty 64 bit)
Windows 8.1 Update 1 - 32 Bit (straight installed and updated)
BfW 1.11.13

The lag at a attack is as worse as described, just about a second, so the first attack is soundless, the second gets the sound from the first and so on... at least there is an attack sound even it is finished.

LAZA <laza>
Mon Apr 21 09:54:12 2014, comment #2:

I is 4096 - but i can't remember, that i changed it.
Is this the new standard?

I made a new VM to test/verify this bug and did not touch anything but the resolution and sound + music volume.
--> now, i changed GPU to 256 MB max.
maybe i have today a bit time to do some more tests...

If i can do something to hunt this bug down let me know.

LAZA <laza>
Mon Apr 21 01:18:00 2014, comment #1:

What happens if you increase the length of the sound buffer to say 4096 in the advanced are of sound preferences?

David Mikos <coffee>
Project Member
Sat Apr 19 16:19:32 2014, original submission:

i play in an VM with Windows 8.1 Update 1, 4 GB RAM, 2 CPU cores, 2D and 3D video acceleration, 196 MB GPU

to reproduce this bug, change the resolution to maximum my LCD can handle: 1920x1200

- play a bit
- if an unit attacks three times, the attacking sound lags and is only two times created(?)
- if a lot of units heal/cure the sound screechs and seldom the music breaks
- sometimes the music breaks

maybe this is a problem of the VM and not for BfW, but i tested a bit and if i change the game speed to 0,5 the sound and is correct and no abnormal behavior.
also the resolution has an impact cause it got much worse if i change the resolution to the maximum.

Host: Xubuntu 14.04
VirtualBox 4.3.10
Guest: Windows 8.1 Update 1

LAZA <laza>


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  • -unavailable- added by wedge009 (Posted a comment)
  • -unavailable- added by shadowmaster (Posted a comment)
  • -unavailable- added by coffee (Posted a comment)
  • -unavailable- added by laza (Submitted the item)

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