add a bit more to examples

examples/appsink/main.go

@@ -23,6 +23,8 @@ func createPipeline() (*gst.Pipeline, error) {
 		return nil, err
 	}
 
+	// Should this actually be a *gst.Element that produces an Appsink interface like the
+	// rust examples?
 	sink, err := app.NewAppSink()
 	if err != nil {
 		return nil, err

examples/appsrc/main.go

@@ -0,0 +1,41 @@
+package main
+
+import (
+	"github.com/tinyzimmer/go-gst/gst"
+	"github.com/tinyzimmer/go-gst/gst/app"
+)
+
+func createPipeline() (*gst.Pipeline, error) {
+	gst.Init(nil)
+
+	pipeline, err := gst.NewPipeline("")
+	if err != nil {
+		return nil, err
+	}
+
+	// Should this actually be a *gst.Element that produces an Appsrc interface like the
+	// rust examples?
+	src, err := app.NewAppSrc()
+	if err != nil {
+		return nil, err
+	}
+
+	elems, err := gst.NewElementMany("videoconvert", "autovideosink")
+	if err != nil {
+		return nil, err
+	}
+
+	// Place the app source at the top of the element list for linking
+	elems = append([]*gst.Element{src.Element}, elems...)
+
+	pipeline.AddMany(elems...)
+	gst.ElementLinkMany(elems...)
+
+	// TODO: need to implement video
+
+	return pipeline, nil
+}
+
+func main() {
+
+}