two issues when recording sound

[Osmo Antero]

Or pipeline_create_simple function.


On Sun, Dec 1, 2013 at 9:06 PM, Osmo Antero <osmoma at gmail.com> wrote:

> Hello,
> I do not know gst-python, but in my c-code based recorder I have to create
> a bin from the (caps) capability string.
> I think you should use the gst_parse_bin_from_description(...)
>
> Please take a look at my recorder. It links to Gstreamer 1.0 (not 0.10).
>
> http://bazaar.launchpad.net/~osmoma/audio-recorder/trunk/view/head:/src/gst-pipeline.c
> Look for the "pipeline_create_complex" function.
>
> I have hard-coded some audio profiles (capability strings) in:
>
> http://bazaar.launchpad.net/~osmoma/audio-recorder/trunk/view/head:/src/media-profiles.c
>
> Audio-recorder itself:
> https://launchpad.net/audio-recorder/
>
> Osmo (Moma) Antero
>
>
> On Sun, Dec 1, 2013 at 6:33 PM, Pablo Rodriguez <oinos at gmx.es> wrote:
>
>> Hi there,
>>
>> first of all, congratulations for your excellent work on Gstreamer and
>> many thanks for releasing it under a free license.
>>
>> I have a small script that records sound from microphone to a .wav file.
>> it is written in Python. You can find it at
>> https://github.com/ousia/iRaccoonShow/blob/master/recslides.py, but the
>> relevant part is:
>>
>>         self.player = gst.Pipeline("player")
>>         #~ self.clock = self.player.get_clock()
>>
>>         self.source = gst.element_factory_make("alsasrc", "alsa-source")
>>         #~ self.caps = gst.Caps("audio/x-raw-int,rate=16000,channels=1")
>>
>>         self.encoder = gst.element_factory_make("wavenc", "wavenc")
>>
>>         self.fileout = gst.element_factory_make("filesink", "sink")
>>         self.fileout.set_property("location", self.audiofilename )
>>
>>         self.player.add(self.source, self.encoder, self.fileout)
>>         gst.element_link_many(self.source, self.encoder, self.fileout)
>>
>> Before I forget, I use Fedora 19, which comes with gstreamer-0.10.36.
>>
>> When I start the script, I always get the following error:
>>
>>     ** Message: pygobject_register_sinkfunc is deprecated (GstObject)
>>
>> How could I fix this?
>>
>> The other issue is the only commented line in the code snippet above. I
>> would like to have the sound recorded with a lower frame rate and only
>> one channel (otherwise, output files are huge).
>>
>> How should I integrate the self.caps line, so that I have an output
>> files with these features?
>>
>> Many thanks for your help,
>>
>>
>> Pablo
>> --
>> http://www.ousia.tk
>> _______________________________________________
>> gstreamer-devel mailing list
>> gstreamer-devel at lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/gstreamer-devel
>>
>
>
>
> --
> // moma
>    http://www.futuredesktop.org
>



-- 
// moma
   http://www.futuredesktop.org
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