Linux Audio cut-outs 18alpha - last couple of Linux nightlies
sej7278
Senior Member
Posts: 106
#1
2017-04-30, 23:22
i've been having audio cutting out after a few minutes playing a file from the nas or a youtube video (briefly, it comes back after a few seconds).

i also seem to be able to trigger it by using skip or pause, but not every time, yay intermittent bug!

i've had another problem with pausing for the whole of 18a and also 17.1 (not 17.0) that when you unpause the movie is stuttery until you use stop and start, then its fine. but that's another matter (i guess?)

18.0-ALPHA1 Git:20170429-nogitfound ubuntu 16.04 (acer revo 3610 atom1 x86_64)

anyway here's the log section when the audio cuts out when skipping in youtube:

Code:
22:09:15.158 T:139855677880064   DEBUG: CPullupCorrection: detected pattern of length 1: 33333.33, frameduration: 33333.333333
22:09:16.334 T:139857817958144   DEBUG: ActiveAE::SyncStream - average error -4411.005313 above threshold of 200.000000
22:09:17.113 T:139857817958144   DEBUG: ActiveAE::SyncStream - average error -15.005313 below threshold of 30.000000
22:09:18.136 T:139857817958144   DEBUG: ActiveAE::SyncStream - average error 3784.672455 above threshold of 200.000000
22:09:19.886 T:139855644092160   ERROR: CDVDAudio::AddPacketsRenderer - timeout adding data to renderer
22:09:21.854 T:139857817958144   ERROR: Previous line repeats 1 times.
22:09:21.855 T:139857817958144   DEBUG: ActiveAE::SyncStream - average error 15.526392, last average error: 3784.672455
22:09:21.975 T:139857817958144   DEBUG: ActiveAE::SyncStream - average error of -34.934386, start adjusting
22:09:21.976 T:139857817958144   DEBUG: ActiveAE::SyncStream - average error -0.934386 below threshold of 30.000000

ah just got it to trigger when playing a file, almost immediately, didn't need to skip/pause it:

Code:
22:26:05.000 T:139857817958144   DEBUG: ActiveAE::SyncStream - average error -4046.695762 above threshold of 200.000000
22:26:05.764 T:139857817958144   DEBUG: ActiveAE::SyncStream - average error -0.695762 below threshold of 30.000000
22:26:06.777 T:139857817958144   DEBUG: ActiveAE::SyncStream - average error 3487.268785 above threshold of 200.000000
22:26:08.525 T:139856055224064   ERROR: CDVDAudio::AddPacketsRenderer - timeout adding data to renderer
22:26:10.254 T:139857817958144   DEBUG: ActiveAE::SyncStream - average error 6.803969, last average error: 3487.268785
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fritsch
Team-Kodi Developer
Posts: 23,311
#2
2017-05-01, 08:40
Sadly not a full Debug Log - I cannot even see the audio driver you are using ...
First decide what functions / features you expect from a system. Then decide for the hardware. Don't waste your money on crap.
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sej7278
Senior Member
Posts: 106
#3
2017-05-01, 10:12
pulseaudio. here's the full kodi.log
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fritsch
Team-Kodi Developer
Posts: 23,311
#4
2017-05-01, 10:35
Two things to test:

a) Please disable Sync Playback to Display (restart kodi after that) - what happens?
b) Reenable Sync Playback to Display and set under System -> Audio the pitch correction to 8 (default is 2). What happens?
First decide what functions / features you expect from a system. Then decide for the hardware. Don't waste your money on crap.
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sej7278
Senior Member
Posts: 106
#5
2017-05-01, 10:57
ok trying A now.

i think i enabled sync playback in an attempt to fix the pause bug (stuttering video on unpause) but it didn't help.
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sej7278
Senior Member
Posts: 106
#6
2017-05-01, 11:12
disabling sync may have fixed it, trying re-enabling now but i don't have the pitch correction option anywhere.

ah, managed to trigger the bug with sync enabled again!

Code:
10:16:51.386 T:140517879363328   DEBUG: ActiveAE::SyncStream - average error -7775.342292 above threshold of 200.000000
10:16:53.962 T:140515752273664   ERROR: CDVDAudio::AddPacketsRenderer - timeout adding data to renderer
10:16:58.205 T:140517879363328   ERROR: Previous line repeats 2 times.
10:16:58.205 T:140517879363328   DEBUG: ActiveAE::SyncStream - average error 0.905463 below threshold of 30.000000
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fritsch
Team-Kodi Developer
Posts: 23,311
#7
2017-05-01, 11:14
The pitch correction is only visible with "advanced settings" view.
First decide what functions / features you expect from a system. Then decide for the hardware. Don't waste your money on crap.
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sej7278
Senior Member
Posts: 106
#8
2017-05-01, 11:20
expert view it seems, found it now

log with sync re-enabled without the pitch here, will try with pitch change now

edit: can't seem to reproduce it with pitch 8 setting

edit2: can't seem to reproduce with pitch back to 2 with sync enabled, don't you love intermittent bugs?!
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fritsch
Team-Kodi Developer
Posts: 23,311
#9
2017-05-01, 11:27
Oki,

so with Sync Playback enabled and pitch set to 2, you get the issue:
Quote:10:16:51.386 T:140517879363328 DEBUG: ActiveAE::SyncStream - average error -7775.342292 above threshold of 200.000000
10:16:53.962 T:140515752273664 ERROR: CDVDAudio::AddPacketsRenderer - timeout adding data to renderer

Now I am curious on Sync Playback enabled and pitch set to 8.
First decide what functions / features you expect from a system. Then decide for the hardware. Don't waste your money on crap.
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sej7278
Senior Member
Posts: 106
#10
2017-05-01, 11:38
i can't seem to trigger the issue with pitch set to 8 and sync enabled, will keep trying. kodi.log
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Audio cut-outs 18alpha - last couple of Linux nightlies0