Merge plugin experimentation branch - GstBaseSrcs can now be implemented via the bindings but with very limited functionality still

examples/plugins/filesrc/plugin.go

@@ -0,0 +1,46 @@
+// The contents of this file could be generated from markers placed in filesrc.go
+package main
+
+import "C"
+
+import (
+	"unsafe"
+
+	"github.com/tinyzimmer/go-gst/gst"
+	"github.com/tinyzimmer/go-gst/gst/base"
+)
+
+// The metadata for this plugin
+var pluginMeta = &gst.PluginMetadata{
+	MajorVersion: gst.VersionMajor,
+	MinorVersion: gst.VersionMinor,
+	Name:         "go-file-plugins",
+	Description:  "File plugins written in Go",
+	Version:      "v0.0.1",
+	License:      gst.LicenseLGPL,
+	Source:       "go-gst",
+	Package:      "examples",
+	Origin:       "https://github.com/tinyzimmer/go-gst",
+	ReleaseDate:  "2021-01-04",
+	// The init function is called to register elements provided
+	// by the plugin.
+	Init: func(plugin *gst.Plugin) bool {
+		return gst.RegisterElement(
+			plugin,
+			"gofilesrc",         // The name of the element
+			gst.RankNone,        // The rank of the element
+			&fileSrc{},          // The GoElement implementation for the element
+			base.ExtendsBaseSrc, // The base subclass this element extends
+		)
+	},
+}
+
+// A single method must be exported from the compiled library that provides for GStreamer
+// to fetch the description and init function for this plugin. The name of the method
+// must match the format gst_plugin_NAME_get_desc, where hyphens are replaced with underscores.
+
+//export gst_plugin_gofilesrc_get_desc
+func gst_plugin_gofilesrc_get_desc() unsafe.Pointer { return pluginMeta.Export() }
+
+// main is left unimplemented since these files are compiled to c-shared.
+func main() {}