Hi guys,
I have followed the instruction available in Plugin Development Basics in
constructing the boilerplate for my sample plugin.
../tools/make_element HelloWorld
After that, I have modified the meson.build in gst-plugin directory to
include the generated source files namely /gsthelloworld.h/ and
/gsthelloworld.c/
helloworld_sources = [
'src/gsthelloworld.c'
]
gsthelloworld = library('gsthelloworld',
helloworld_sources,
c_args: plugin_c_args,
dependencies : [gst_dep],
install : true,
install_dir : plugins_install_dir,
)
I encountered errors after doing /meson build && ninja -C build/:
gst-template/build/../gst-plugin/src/gsthelloworld.c:184: undefined
reference to `GST_HELLOWORLD'
**there are multiple lines of the same errors happen at different part of
the source file.
I cant seem to find the declaration of *GST_HELLOWORLD* in either source
files.
Looking at the tutorial in
https://gstreamer.freedesktop.org/documentation/plugin-development/basics/boiler.html?gi-language=c<
https://gstreamer.freedesktop.org/documentation/plugin-development/basics/boiler.html?gi-language=c>
.
I can see that there would be a declaration of macro that follows the
similar naming convention with mine being HelloWorld while the provided
sample being MyFilter.
/#define GST_MY_FILTER(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_MY_FILTER,GstMyFilter))/
However, I see none of the macro in the generated source files. So, I guess
it might have been written at somewhere as the template provided in form of
/gstplugin.c/ and /gstplugin.h/ looks very similar to the generated source
files and can be compiled successfully if I remove my sample plugin from the
build file.
Thus, is there any step I miss that is relevant for the compilation?
Thanks.
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