Newbie query: Boilerplate code created by gst-element-maker does not compile
gstreamer at littleworld.co.uk
Wed Oct 31 05:10:04 PDT 2012
You can drop files into the plugin directory and they'll be picked up. On
my Xubuntu for example:
However IMHO using environment variable GST_PLUGIN_PATH to override the
search path is a better thing to do during development.
On 31 October 2012 10:55, Mandeep Sandhu <mandeepsandhu.chd at gmail.com>wrote:
> How does one make an existing gstreamer package (installed in Ubuntu
> 12.10) recognize/register a custom plugin?
> On Mon, Oct 29, 2012 at 7:13 PM, Mandeep Sandhu
> <mandeepsandhu.chd at gmail.com> wrote:
> > Hi All,
> > I'm newbie who's recently jumped into playing around with GStreamer.
> > I have gone through "GStreamer Application Development Manual" to get
> > a basic idea of the various Gstreamer concepts. Currently, I'm reading
> > the "GStreamer Plugin Writer's Guide (1.0.2)" to get a very basic
> > plugin working (only for my own understanding).
> > For creating the basic template of a plugin, I was using the
> > "make_element" tool which comes along with the gst-template repo.
> > The template code created by this tool compiles fine, however it does
> > not get recognized when I try to use it a sample pipeline. I construct
> > the pipline as follows (after building the plugin):
> > $ gst-launch-0.10 -v
> > fakesrc ! myfilter ! fakesink silent=TRUE
> > WARNING: erroneous pipeline: no element "myfilter"
> > $
> > Somehow, my plugin is not 'registered' with gstreamer. Any idea how to
> > get this working?
> > The plugin guide has a "NOTE" that states one should use
> > "gst-element-maker" from the gst-plugins-bad repo. However, the
> > template code created by this tool does not compile. Here's what I
> > did:
> > $ gst-element-maker MyFilter basesink
> > ../../../gst-plugins-bad/tools/gst-element-maker: 376:
> > ../../../gst-plugins-bad/tools/gst-element-maker: gst-indent: not
> > found
> > pkg is gstreamer-base-0.10
> > gstmyfilter.c: In function ‘gst_myfilter_base_init’:
> > gstmyfilter.c:109:3: warning: implicit declaration of function
> > ‘gst_element_class_set_static_metadata’
> > [-Wimplicit-function-declaration]
> > gstmyfilter.c: At top level:
> > gstmyfilter.c:324:1: error: ‘myfilter’ undeclared here (not in a
> > Any idea how to fix this error?
> > The files generated by the above command are: gstmyfilter.h and
> > gstmyfilter.c (I have altered Makefile.am accordingly to add these 2
> > new files for building.
> > Regards,
> > -mandeep
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> gstreamer-devel at lists.freedesktop.org
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