[gst-devel] Sound recording

René Stadler mail at renestadler.de
Sat Dec 30 16:28:05 CET 2006


Am Samstag, den 30.12.2006, 14:06 +0100 schrieb Andreas Volz:
> Am Fri, 29 Dec 2006 10:38:42 -0600 schrieb keith preston:
> 
> > >
> > >
> > >
> > > Is there an example code that shows how to record sound files?
> > 
> > 
> > gst-launch-0.10 alsasrc ! wavenc ! filesink location=temp.wav
> > 
> > Look at some of the gstreamer documentation for how to write the app
> > that makes this pipeline and suitably control this the pipeline.
> > The above command should record wavs.   Mp3 and ogg are not much
> > different.
> 
> Thanks, the command worked. But if I like to create a C application
> that realizes this pipe I get this warning at start time:
> 
> (ogg_player:19889): GStreamer-WARNING **: Trying to connect elements
> that don't share a common ancestor: alsasrc-source and wavenc-enc
> 
> Some code points:
> 
>   pipeline = gst_pipeline_new ("audio-player");
>   source = gst_element_factory_make ("alsasrc", "alsasrc-source");
>   enc = gst_element_factory_make ("wavenc", "wavenc-enc");
>   sink = gst_element_factory_make ("filesink", "filesink-sink");
>   ...
>   gst_element_link (source, enc);
>   gst_element_link (enc, sink);
> 
> So where is the problem?
> 
> regards
> Andreas

You probably forgot adding one of the elements to the pipeline.

-- 
Regards,
  René Stadler





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