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Update port gstreamer
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Add port libsoup,libpsl,glib-networking
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I found the offical tutorials not work because the uridecodebin plugin
can not handle https uri. Then I found that soup plugins is disabled. So
I update the gstreamer to enable it. The gstreamer compiled successfuly
without new port which I add. However the soup plugins will not work
without libsoup. So I add the port libsoup. And it depend on libpsl and
glib-networking. The glib-networking is a gio module. To make it work,
we should set env GIO_MODULE_DIR to the plugins dir which
glib-networking dll live in. And now I uridecodebin works properly.
By the way, how vcpkg deal with plugin dll? I put them to a plugins dir
just like gstreamer. However to use them is a hard work. For a gio
module, we have to set the env GIO_MODULE_DIR to the dyamic library
location.
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