Linux AudioEngine testers - Linux only
Not sure if this is known (or if its only me) -- I searched trac and the forums and didn't find what I am looking for though I found an old (fixed) bug that was similar but not quite the same.

Whenever (and only when) I experience a buffer underrun event (video pauses and dialog appears in upper right to indicate buffering progress), playback does not recover, becomes choppy (slo-mo) 3.x-4FPS with no audio. The log fills with the following message:
Code:
10:37:00 T:2783955776   DEBUG: CDVDPlayerAudio:: Discontinuity - was:2765237553.364334, should be:2764052333.333333, error:-1185220.031000
10:37:01 T:2783955776   ERROR: CDVDAudio::AddPacketsRenderer - timeout adding data to renderer
10:37:01 T:2783955776   ERROR: AddPackets - failed to add leftover bytes to render

Here is a pastebin of my full debug log: http://pastebin.com/x1Pb7X6g

It doesn't matter if playback is using passthrough or pcm, streaming via SMB or from the internet (http/rtmp). Once the underrun occurs, playback does not recover.

Output of aplay -l:
Code:
card 0: NVidia [HDA NVidia], device 0: ALC883 Analog [ALC883 Analog]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: NVidia [HDA NVidia], device 1: ALC883 Digital [ALC883 Digital]
  Subdevices: 1/1
  Subdevice #0: subdevice #0
card 0: NVidia [HDA NVidia], device 3: HDMI 0 [HDMI 0]
  Subdevices: 0/1
  Subdevice #0: subdevice #0

Output of aplay -L:
Code:
null
    Discard all samples (playback) or generate zero samples (capture)
pulse
    PulseAudio Sound Server
default:CARD=NVidia
    HDA NVidia, ALC883 Analog
    Default Audio Device
sysdefault:CARD=NVidia
    HDA NVidia, ALC883 Analog
    Default Audio Device
front:CARD=NVidia,DEV=0
    HDA NVidia, ALC883 Analog
    Front speakers
surround40:CARD=NVidia,DEV=0
    HDA NVidia, ALC883 Analog
    4.0 Surround output to Front and Rear speakers
surround41:CARD=NVidia,DEV=0
    HDA NVidia, ALC883 Analog
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=NVidia,DEV=0
    HDA NVidia, ALC883 Analog
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=NVidia,DEV=0
    HDA NVidia, ALC883 Analog
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=NVidia,DEV=0
    HDA NVidia, ALC883 Analog
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=NVidia,DEV=0
    HDA NVidia, ALC883 Digital
    IEC958 (S/PDIF) Digital Audio Output
hdmi:CARD=NVidia,DEV=0
    HDA NVidia, HDMI 0
    HDMI Audio Output
dmix:CARD=NVidia,DEV=0
    HDA NVidia, ALC883 Analog
    Direct sample mixing device
dmix:CARD=NVidia,DEV=1
    HDA NVidia, ALC883 Digital
    Direct sample mixing device
dmix:CARD=NVidia,DEV=3
    HDA NVidia, HDMI 0
    Direct sample mixing device
dsnoop:CARD=NVidia,DEV=0
    HDA NVidia, ALC883 Analog
    Direct sample snooping device
dsnoop:CARD=NVidia,DEV=1
    HDA NVidia, ALC883 Digital
    Direct sample snooping device
dsnoop:CARD=NVidia,DEV=3
    HDA NVidia, HDMI 0
    Direct sample snooping device
hw:CARD=NVidia,DEV=0
    HDA NVidia, ALC883 Analog
    Direct hardware device without any conversions
hw:CARD=NVidia,DEV=1
    HDA NVidia, ALC883 Digital
    Direct hardware device without any conversions
hw:CARD=NVidia,DEV=3
    HDA NVidia, HDMI 0
    Direct hardware device without any conversions
plughw:CARD=NVidia,DEV=0
    HDA NVidia, ALC883 Analog
    Hardware device with all software conversions
plughw:CARD=NVidia,DEV=1
    HDA NVidia, ALC883 Digital
    Hardware device with all software conversions
plughw:CARD=NVidia,DEV=3
    HDA NVidia, HDMI 0
    Hardware device with all software conversions

uname -r: 3.2.0-26-generic-pae

ALSA ver: Advanced Linux Sound Architecture Driver Version 1.0.24.

configure options: --prefix=/usr --disable-pulse --disable-xrandr --disable-crystalhd --disable-airplay --disable-airtunes

compiled from master branch with most recent pull (7/22/2012 10AM EST approx)

Settings > System > Audio output:
Code:
Audio output: HDMI
Speaker config: 2.0
Boost: dis
All spk-stereo: dis
AC3: ena
DTS: ena
AAC: dis
Multi-LPCM: ena
TrueHD: ena
DTS-HD: ena
Audio output dev: HDA NVidia, HDMI
Passthrough output dev: HDA NVidia, HDMI
GUI sounds: playback stopped

Anything I forgot? Let me know :)
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Messages In This Thread
Almost there, but still no HD - by OkvOkv - 2012-04-17, 03:54
AudioEngine testers - Linux only - by Ritzie - 2012-05-12, 18:36
RE: AudioEngine testers - Linux only - by bobb0 - 2012-07-22, 17:31


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