Re: no sound playing DVDs - solved (sort of)

On 9/18/07, Mark Knecht <[email protected]> wrote:
> Hi,
>    I wrote in the other day about a problem with new versions of xine
> not providing sound when playing DVDs. This was happening on multiple
> Gentoo machines. The initial fix was to make sure I set the Gentoo USE
> flags a52 and dts. At that point I got sound on one machine, but as it
> turns out I didn't get sound on a second machine.
>
>    This evening I discovered the root cause of the problem. xine is
> producing sound but this revision of xine is sending the sound to a
> different device. The machine in question has two cards:
>
> dragonfly ~ # cat /proc/asound/cards
>  0 [ICH5           ]: ICH4 - Intel ICH5
>                       Intel ICH5 with ALC655 at 0xfa081000, irq 21
>  1 [default        ]: USB-Audio - USB Audio CODEC
>                       Burr-Brown from TI               USB Audio CODEC
>  at usb-0000:00:1d.1-1, full s
> dragonfly ~ #
>
>    In a complete change to previous versions I find that xine is now
> sending sound to the USB-Audio device and not the PC's ICH5 sound
> card.
>
>    It's possible that maybe some Alsa change recently marked the USB
> device as default. If that happened I don't know when the change
> occurred.
>
>    Anyway, how do I tell xine to use card 0 instead of card 1? I don't
> seem to see how to do that reading xine --help.
>
> Thanks,
> Mark
>

As a follow up it seems to me that the way xine is set up to choose a
sound card is to do it in the audio section of the setup section. I'm
attaching a png file showing the current settings. As best I
understand this the :0 should direct xine to send audio to Alsa card
0, but it's actually going to audio card 1.

Am I correct about how to properly direct the audio?

If so then is there something else that would over ride this setting
or is this a bug? (xine or I suppose Alsa possibly...)

Thanks,
Mark

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