Bug#802016: Bug#801448: vlc: VLC change audio device without obvious reason

[Felipe Sateler]

Control: tags -1 moreinfo

On 19 October 2015 at 15:04, Sebastian Ramacher <sramacher at debian.org> wrote:
>
> Control: reassign -1 pulseaudio 7.0-1
>
> Hi
>
> On 2015-10-10 10:52:55, Gabriel Corona wrote:
> > Package: vlc
> > Version: 2.2.1-4
> > Severity: important
> >
> > Hi,
> >
> > When using VLC with KDE5 without pulseaudio, VLC keeps changing the
> > output audio device. I've configured VLC to use the "HDA Intel ALC888
> > Analog Audio Device" but it switches back to "HDA NVidida, HDMI0
> > Hardware device with all software conversion" (which means that I do
> > not have any sound):
> >
> > * this always happens when I start vlc;
> >
> > * it happens sometimes at the beginnig of the playback.
> >
> > When this happens, I get this in the console:
> >
> > [00007f7dc8c04568] avcodec decoder debug: enabling direct rendering
> > [00000000021f1028] core audio output debug: restart requested (2)
> > [00007f7db806e468] core audio resampler debug: removing module "samplerate"
> > [00007f7db80441d8] core audio converter debug: removing module "a52tofloat32"
> > [00007f7db8042a88] core audio filter debug: removing module "scaletempo"
> > [00007f7db806e068] core audio converter debug: removing module "simple_channel_mixer"
> > [00000000021f1028] core audio output debug: restarting output...
> > [00000000021f1028] alsa audio output debug: using ALSA device: plughw:CARD=NVidia,DEV=3
> > [00000000021f1028] alsa audio output debug:  Plug PCM: Hardware PCM card 1 'HDA NVidia' device 3 subdevice 0
> > [00000000021f1028] alsa audio output debug:  device name   : HDMI 0
> > [00000000021f1028] alsa audio output debug:  device ID     : HDMI 0
> > [00000000021f1028] alsa audio output debug:  subdevice name: subdevice #0
> > [00000000021f1028] alsa audio output debug: initial hardware setup:
> >
> > I can switch back to the "HDA Intel ALC888 Analog Audio Device" in the
> > menu and it works correctly.
>
> This sounds very similar to #802016. So I'm reassigning this to pulseaudio for
> now. Maybe the pulseadio maintainers can provide more insight here.

On Fri, 16 Oct 2015 22:52:47 +0200 Christoph Egger <christoph at debian.org> wrote:
>   While listening to mpd sound suddenly stopped in the middle of a
> song. No action at all on the active X session at that time. Turns out
> pulseaudio switched to the second soundcard for no apparent reason
> whatsoever (didn't find any logoutput as well).

Indeed, they look similar. Could you (Christoph, Gabriel) please
attach a verbose log of pulseaudio[1] for when the problem happens?


[1] https://wiki.ubuntu.com/PulseAudio/Log

-- 

Saludos,
Felipe Sateler