[gst-devel] Problems with USB speakers

[Stefan Kost]

Hi,

Quoting Rodrigo Castro <rodrigo.castro at mezzano.com.br>:

>
> I am trying to use USB speakers with my Gentoo distribution, but Banshee
> (which uses gstreamer) crashes, although MPlayer works perfectly with
> it. After investigating a little, I noticed that gstreamer is failing
> and making banshee crash. Testing the default output set to ALSA with
> gstreamer-properties gives me the following error:
>
> gstreamer-properties-Message: Error running pipeline 'ALSA - Advanced
> Linux Sound Architecture': Could not get/set settings from/on resource.
> [gstalsasink.c(570): set_hwparams (): /pipeline0/alsasink1:
> Rate doesn't match (requested 44100Hz, get 0Hz)]
>
> And, when running gst-launch:
>
> gst-launch-0.10 alsasrc device=hw:1 ! audioconvert ! vorbisenc ! oggmux
> ! filesink location=/usr/bin/PCoR/sounds/start.ogg Setting pipeline to
> PAUSED ... ERROR: Pipeline doesn't want to pause. ERROR: from element
> /pipeline0/alsasrc0: Could not open resource for reading.
> Additional debug info:
> gstalsasrc.c(526): gst_alsasrc_open (): /pipeline0/alsasrc0:
> Recording open error: No such file or directory
> Setting pipeline to NULL ...
> FREEING pipeline ...

Don't you swap something here. I guess you can't record from USB  
speakers, Thats why it can't open it for reading.
gst-launch-0.10 filesrc location=my.ogg ! decodebin ! audioconvert !  
audioresample ! alsasink device=hw:1

should work.



>
> On my system, I have two soundcards, the onboard one and the USB
> speakers, as you may see below. I configured alsa to use card 1 as the
> default output device.
>
> **** List of PLAYBACK Hardware Devices ****
> card 0: V8237 [VIA 8237], device 0: VIA 8237 [VIA 8237]
>   Subdevices: 4/4
>   Subdevice #0: subdevice #0
>   Subdevice #1: subdevice #1
>   Subdevice #2: subdevice #2
>   Subdevice #3: subdevice #3
> card 0: V8237 [VIA 8237], device 1: VIA 8237 [VIA 8237]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
> card 1: default [USB  AUDIO  ], device 0: USB Audio [USB Audio]
>   Subdevices: 1/1
>   Subdevice #0: subdevice #0
>
> Do you have any idea of what may be wrong? I compiled and tested CVS
> version and it didn't work either.
>
> Thanks in advance,
> Rodrigo
>
> -------------------------------------------------------------------------
> This SF.net email is sponsored by DB2 Express
> Download DB2 Express C - the FREE version of DB2 express and take
> control of your XML. No limits. Just data. Click to get it now.
> http://sourceforge.net/powerbar/db2/
> _______________________________________________
> gstreamer-devel mailing list
> gstreamer-devel at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/gstreamer-devel
>