how to crate pipe if usb sound card support mp3 decoder when using gst-launch?

[Diaz Soho]

> Please don't do cross-posting to multiple mailing lists if not really
> required.
>
>
Sorry for inconvenience!!!

>
> To answer your questions, yes that's possible. Does your ALSA driver for
> that USB soundcard support MP3? Are you using PulseAudio or ALSA
> directly?
>
>
I use ALSA directly. Do not use PulseAudio.
I am not sure whether ALSA sound driver support MP3 or not.
the usb alsa driver is linux kernel built-in(linux-2.6.30)
how to confirm the issue ? do you have idea?



> In general just using playbin without providing any audio sink should
> automatically let the MP3 be decoded on the soundcard if you use a
> recent GStreamer version. And a simple
>   filesrc location=file.mp3 ! mpegaudioparse ! alsasink
> or
>   filesrc location=file.mp3 ! mpegaudioparse ! pulsesink
> for example should work too.
>
>
I use gstreamer v0.10.36.
do you have idea about whether the version support the function that you
mentioned?



thanks!
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