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

Felipe Sateler fsateler at debian.org
Mon Oct 19 18:38:48 UTC 2015


Control: reassign -1 vlc 2.2.1-4

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.

It looks like we both missed the part above about not using pulseaudio
;). Reassigning back.


>> This only happens when using KDE. I tried with XFCE, LXDE and the
>> configured device is used.

KDE has a device priority list. Not sure how it works (if at all) with
ALSA, but maybe the other device is marked as preferred, and this
somehow affects vlc?

-- 

Saludos,
Felipe Sateler



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