Re: [fluid-dev] Connect fluidsynth to particular device

[Bernat Arlandis i Mañó]

Crypto escrigué:
> Hi to all here at fluid-dev,
>
> fluidsynth has options to make it use a particular audio driver (such as alsa, 
> jack, oss), but how can I make fluidsynth connect to a particular sound card?
>
> Let's say I use fluidsynth with the alsa driver, and now I have two devices 
> that could be used (like an internal onboard sound or an external hotplugging 
> USB device). How can I connect fluidsynth to USB sound device explicitely?
>
> I know that I should use jack and qjackctl for it all and it works, but 
> sometimes I would like to do it without jack.
>
> I am stuck here because I have an external MIDI device (Edirol UM-2) and 
> fluidsynth wants to connect its audio driver part to it. It regards the MIDI 
> device as "default" audio device.
>
> The error I am getting when running fluidsynth and the alsa driver part:
>
> "ALSA lib pcm_dmix.c:1008:(snd_pcm_dmix_open) unable to open slave
> fluidsynth: error: Failed to open the "default" audio device
> Failed to create the audio driver"
>
> and aplay -L tells me that the MIDI device is considered to be the default 
> audio device, which is nonsens really. In the list it shows up as first 
> default device to fluidsynth wants to connect to that.
>
> aplay -L
>
> "default:CARD=UM2
>     Default Audio Device
> null
>     Discard all samples (playback) or generate zero samples (capture)
> default:CARD=NVidia
>     HDA NVidia, ALC260 Analog
>     Default Audio Device"
>
> Do I really have to dig into 
> this .asound.conf-multiple-cards-hotplug-USB-automagically-script-switching-thing 
> that has never worked for me or is there an easier way of doing it and I am 
> missing something?
>
> Thanks for any hint here and kind regards,
> Crypto.
>
>
>   
You might want to configure your default ALSA device once for all 
applications. I hit the same problem recently  and I explained here how 
to solve it:
http://forums.debian.net/viewtopic.php?t=37838&highlight=

Regards.

--
Bernat Arlandis i Mañó