[gst-devel] Capturing audio on Windows?

Thu Jan 28 08:25:13 CET 2010

Hi,

you can use the below pipeline. It works fine in XP. I don't have windows 7
so can't test.

 gst-launch-0.10 dshowaudiosrc ! queue ! directsoundsink sync=false

Regards,
Sumit

On Wed, Jan 27, 2010 at 10:59 PM, Francis Rammeloo <
francis.rammeloo at gmail.com> wrote:

> Done. See bug 608274 (https://bugzilla.gnome.org/show_bug.cgi?id=608274).
>
> 2010/1/27 Julien Isorce <julien.isorce at gmail.com>:
> >>> (error=-2147221164)
> >
> > Actually it's  0x80040154: REGDB_E_CLASSNOTREG
> >
> > From http://msdn.microsoft.com/en-us/library/ms686615(VS.85).aspx :
> > REGDB_E_CLASSNOTREG:
> >
> > A specified class is not registered in the registration database. Also
> can
> > indicate that the type of server you requested in the CLSCTX enumeration
> is
> > not registered or the values for the server types in the registry are
> > corrupt.
> >
> > As far I am concerned I never tested dshowsrcwrapper on Window 7.
> >
> > From a cmd, type
> >
> > set GST_DEBUG=dshowvideosrc:5
> >
> > gst-launch-0.10 -v dshowvideosrc device-name="Built-in iSight" ! fakesink
> >
> > Then please open a bug in bugzilla and attach the output log.
> >
> > Julien
> >
> >
> >
> > 2010/1/27 Francis Rammeloo <francis.rammeloo at gmail.com>
> >>
> >> 2010/1/27 Julien Isorce <julien.isorce at gmail.com>:
> >> > Hi,
> >> >
> >> > Where did you get gstreamer for windows ?
> >> > (http://www.gstreamer-winbuild.ylatuya.es/doku.php)
> >> > gstreamer version?
> >>
> >> Thanks for your answer. I am using the WinBuilds GPL package.
> >>
> >> > Anyway, try to set device-name (got the name from graphedit ....)
> >>
> >> GraphEdit shows the name: "Microfoon (Cirrus Logic CS4206A" (without
> >> the closing parenthesis). It is probably the correct name because if I
> >> use another name I get a "device not found" error.
> >>
> >> I suspect that there is something wrong with the DirectShow plugins
> >> because I am also unable to produce my webcam using the dshowvideosrc
> >> element, while ksvideosrc works fine.
> >>
> >> Here are some details:
> >>
> >> The dshowaudiosrc produces the "can't create dshow fakesink" error:
> >> D:\gst-launch-0.10 dshowaudiosrc device-name="Microfoon (Cirrus Logic
> >> CS4206A" ! audioconvert ! autoaudiosink
> >> Setting pipeline to PAUSED ...
> >> 0:00:00.152000000  3744   00538F40 ERROR          dshowaudiosrc
> >> gstdshowaudiosrc.c:636:gst_dshowaudiosrc_open: Can't create an
> >> instance of the directshow fakesink (error=-2147221164)
> >> ERROR: Pipeline doesn't want to pause.
> >> Setting pipeline to NULL ...
> >> Freeing pipeline ...
> >>
> >>
> >> The dshowvideosrc produces a similar error message:
> >> D:\gst-launch-0.10 dshowvideosrc device-name="Built-in iSight" !
> >> ffmpegcolorspace ! autovideosink
> >> Setting pipeline to PAUSED ...
> >> 0:00:00.487000000  1304   00558F10 ERROR          dshowvideosrc
> >> gstdshowvideosrc.c:698:gst_dshowvideosrc_start: Can't create an
> >> instance of our dshow fakesink filter (error=-2147221164)
> >> ERROR: Pipeline doesn't want to pause.
> >> Setting pipeline to NULL ...
> >> Freeing pipeline ...
> >>
> >>
> >> The ksvideosrc, using the same device-name, works fine:
> >> D:\gst-launch-0.10 ksvideosrc device-name="Built-in iSight" !
> >> ffmpegcolorspace ! autovideosink
> >>
> >>
> >> Am I the only one experiencing this error?
> >>
> >> Grts,
> >> Francis
> >>
> >>
> >> > Julien
> >> >
> >> > 2010/1/27 Francis Rammeloo <francis.rammeloo at gmail.com>
> >> >>
> >> >> I'm having some trouble finding an element that is capable of
> >> >> capturing the built-in microphone on my laptop (it's a Macbook Pro
> >> >> running Windows 7). I have tried using the dshowaudiosrc element like
> >> >> this:
> >> >>
> >> >>    gst-launch-0.10 dshowaudiosrc ! audioconvert ! autoaudiosink
> >> >>
> >> >> Which results in the error:
> >> >>
> >> >>    dshowaudiosrc gstdshowaudiosrc.c:636:gst_dshowaudiosrc_open: Can't
> >> >> create an instance of the directshow fakesink (error=-2147221164)
> >> >>
> >> >> FYI: I have exact the same problem when I want to use the
> >> >> dshowvideosrc for capturing the webcam, but that not an issue because
> >> >> I can use the ksvideosrc element instead.
> >> >>
> >> >> Does anyone have an idea how to fix it? Alternative solutions would
> be
> >> >> welcome too.
> >> >>
> >> >>
> >> >> Grts,
> >> >> Francis
> >> >>
> >> >>
> >> >>
> >> >>
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