[Expired for pulseaudio (Ubuntu) because there has been no activity for
60 days.]
** Changed in: pulseaudio (Ubuntu)
Status: Incomplete => Expired
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Ubuntu 13.04 (raring) reached end-of-life on January 27, 2014.
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Yes this bug affects all ubuntu releases since at least 13.04
No I haven't found a solution yet. This was the best I came up with. You can
try to increase the default-fragments number but that will increase latency. A
number of 5 is a compromise between latency and probability of crash.
I suggest
Artur Agostinho Araújo :
Did you ever find a solution?
In 14.04, with the fragment sizes you suggest this is better, but still crashes
periodically. This plugin is amazing! Especially if I could control how many
channels were upsampled on a per application basis (ie 2.0 -> 2.1, not 2.0 ->
5.1)
I think I found a way to at least minimize this issue. From the
pulseaudio logs I found that for the AC3 plugin it isn't using the
default fragment settings from /etc/pulse/daemon.conf which are:
default-fragments = 8
default-fragment-size-msec = 10
Instead it adjusts to the nearest latency with
I added this to the a52.conf file located in
/us/share/alsa/alsa.conf.d/a52.conf:
ctl.a52 {
@args [ CARD ]
@args.CARD {
type string
default 0
}
type hw
card $CARD
}
And now I get this from pulseaudio:
I: [pulseaudio] alsa-si
Thanks for giving attention to my problem.
The hardware decoder is integrated in the logitech Z-5500 speakers. I
don't have knowledge of any specific limit on the amount of data. There
is however information regarding a maximum hw buffer size on the
pulseaudio logs:
D: [pulseaudio] alsa-util.c: T
do a52 require any specific （minimum） amount of data to be written
before you start the hardware decoder ?
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https://bugs.launchpad.net/bugs/1188425
Title:
Audio breaks up and pulseaudio
I: [alsa-sink] alsa-sink.c: Starting playback.
I: [alsa-sink] (alsa-lib)pcm_hw.c: SNDRV_PCM_IOCTL_START failed (-77)
snd_pcm_start already fail but pulseaudio ignore this fatal error
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ht
This also appears in the logs at least once:
D: [alsa-sink-] protocol-native.c: Requesting rewind due to end of underrun.
D: [alsa-sink-] protocol-native.c: Requesting rewind due to end of underrun.
D: [alsa-sink-] protocol-native.c: Requesting rewind due to end of underrun.
D: [alsa-sink-] sink-i
Updated alsa-lib and alsa-plugins to latest version 1.0.27.
Unfortunately the a52 plugin makes pulseaudio crash immediately. Had to
compile the alsa-plugins against libav 9 instead of libav 0.8.6 (that
comes with raring) to make it work! Unfortunately the problem with audio
breaking up persists. Th
I: [alsa-sink] alsa-sink.c: Starting playback.
I: [alsa-sink] (alsa-lib)pcm_hw.c: SNDRV_PCM_IOCTL_START failed (-77)
D: [alsa-sink] alsa-util.c: Got POLLERR from ALSA
D: [alsa-sink] alsa-util.c: Got POLLOUT from ALSA
D: [alsa-sink] alsa-util.c: PCM state is RUNNING
I: [alsa-sink] alsa-sink.c: Start
This is the pulseadio log where you can see the dca alsa plugin doing
it's job. There is no registry of audio breaks!
** Attachment added: "pulseaudio log with dca alsa plugin"
https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1188425/+attachment/3696819/+files/pulse_20130606.7z
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