Re: [gst-devel] Sound recording

[S. <ma...@re...>]

Am Samstag, den 30.12.2006, 16:52 +0100 schrieb Andreas Volz:
> Am Sat, 30 Dec 2006 16:28:05 +0100 schrieb Ren=C3=A9 Stadler:
>=20
> > Am Samstag, den 30.12.2006, 14:06 +0100 schrieb Andreas Volz:
> > > Am Fri, 29 Dec 2006 10:38:42 -0600 schrieb keith preston:
> > >=20
> > > > >
> > > > >
> > > > >
> > > > > Is there an example code that shows how to record sound files?
> > > >=20
> > > >=20
> > > > gst-launch-0.10 alsasrc ! wavenc ! filesink location=3Dtemp.wav
> > > >=20
> > > > 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.
> > >=20
> > > Thanks, the command worked. But if I like to create a C application
> > > that realizes this pipe I get this warning at start time:
> > >=20
> > > (ogg_player:19889): GStreamer-WARNING **: Trying to connect elements
> > > that don't share a common ancestor: alsasrc-source and wavenc-enc
> > >=20
> > > Some code points:
> > >=20
> > >   pipeline =3D gst_pipeline_new ("audio-player");
> > >   source =3D gst_element_factory_make ("alsasrc", "alsasrc-source");
> > >   enc =3D gst_element_factory_make ("wavenc", "wavenc-enc");
> > >   sink =3D gst_element_factory_make ("filesink", "filesink-sink");
> > >   ...
> > >   gst_element_link (source, enc);
> > >   gst_element_link (enc, sink);
> > >=20
> > > So where is the problem?
> > >=20
> > > regards
> > > Andreas
> >=20
> > You probably forgot adding one of the elements to the pipeline.
>=20
> I added it to the pipeline, but I added also an uninitialized element to
> the pipeline. After removing the element it works great.=20
>=20
> Thanks
> Andreas
>=20

Out of curiosity, what do you mean by "*uninitialized* element"?

--=20
Regards,
  Ren=C3=A9 Stadler