[vlc-devel] Fwd: Re: Audio problem: latest git always tries S/PDIF?
juha.jeronen at jyu.fi
Wed Apr 20 11:52:28 CEST 2011
Oops, meant to send this to the list. Original message below.
-------- Original Message --------
Subject: Re: [vlc-devel] Audio problem: latest git always tries S/PDIF?
Date: Wed, 20 Apr 2011 12:51:28 +0300
From: Juha Jeronen <juha.jeronen at jyu.fi>
To: Rémi Denis-Courmont <remi at remlab.net>
On 04/20/2011 12:04 PM, Rémi Denis-Courmont wrote:
> On Monday 18 April 2011, Juha Jeronen wrote:
>> This machine doesn't have S/PDIF (iec958). I checked the VLC
>> preferences, but "Use S/PDIF when available" is not enabled. Earlier
>> versions didn't try S/PDIF when not instructed to :)
> That should be fixed, sorry for the inconvenience.
Confirmed. Works now in [bf3f6f18b9cffbc0f0c60c2d5e882c32aaf9ce69]. Thanks!
>> If the ALSA device in the ALSA output module section of VLC preferences
>> is forced to the onboard sound chip explicitly, no error is generated,
>> but the sound becomes extremely loud and distorted. It sounds like
>> digital clipping - as if it's not limiting the volume to 100%. I have
>> set volume as 256 (out of 1024) in the VLC audio preferences, so it
>> should do the limiting. This may have something to do with the
>> audio-related commit Rémi mentioned the other day...
> Is it any better if you remove the SOFTVOL flag from the ALSA plugin?
Tested now. No effect, the behaviour is the same either way.
Also, noticed now that when the device is forced, the VLC volume slider
seems to have no effect on the audio output level. SOFTVOL doesn't
affect this either way.
Is there anything I could do to help trace this?
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