From 82903681eeb4260ce5ec4749654887ddab5cf24f Mon Sep 17 00:00:00 2001
From: Saxon <saxon@ausocean.org>
Date: Sat, 2 Nov 2019 10:42:56 +1030
Subject: [PATCH] revid/raspivid.go: wrote Stop implementation for Raspivid
 AVDevice implementation

---
 revid/raspivid.go | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/revid/raspivid.go b/revid/raspivid.go
index f5ff0e75..d28f521f 100644
--- a/revid/raspivid.go
+++ b/revid/raspivid.go
@@ -213,3 +213,14 @@ func (r *Raspivid) Start() error {
 func (r *Raspivid) Read(p []byte) (int, error) {
 	return r.out.Read(p)
 }
+
+func (r *Raspivid) Stop() error {
+	if r.cmd == nil || r.cmd.Process == nil {
+		return errors.New("raspivid process was never started")
+	}
+	err := r.cmd.Process.Kill()
+	if err != nil {
+		return fmt.Errorf("could not kill raspivid process: %w", err)
+	}
+	return nil
+}