Support attaching child elements

iViewer · Jun 3, 2020 · 4690633 · 4690633
1 parent 02a8df5
commit 4690633
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Showing 2 changed files with 7 additions and 0 deletions.
diff --git a/pkg/process/elements/element.go b/pkg/process/elements/element.go
@@ -7,6 +7,7 @@ import (
 // Element interface
 type Element interface {
 	Write(*samples.Sample) error
+	Attach(Element) error
 	Read() <-chan *samples.Sample
 	Close()
 }
diff --git a/pkg/process/elements/webm.go b/pkg/process/elements/webm.go
@@ -1,6 +1,7 @@
 package elements
 
 import (
+	"errors"
 	"fmt"
 	"os"
 	"path"
@@ -63,6 +64,11 @@ func (s *WebmSaver) Read() <-chan *samples.Sample {
 	return nil
 }
 
+// Attach attach a child element
+func (s *WebmSaver) Attach() error {
+	return errors.New("attach not supported")
+}
+
 // Close Close the WebmSaver
 func (s *WebmSaver) Close() {
 	log.Infof("WebmSaver.Close() => %s", s.id)