From 0315370577b313eb3702a444678ca1e50ee64725 Mon Sep 17 00:00:00 2001
From: omatztw <33661309+omatztw@users.noreply.github.com>
Date: Wed, 23 Feb 2022 13:02:14 +0900
Subject: [PATCH] Stop goroutine when audio is done playing.

Fix #17
---
 dgvoice.go | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/dgvoice.go b/dgvoice.go
index 073224b..3950dae 100644
--- a/dgvoice.go
+++ b/dgvoice.go
@@ -162,10 +162,17 @@ func PlayAudioFile(v *discordgo.VoiceConnection, filename string, stop <-chan bo
 	// prevent memory leak from residual ffmpeg streams
 	defer run.Process.Kill()
 
+	// Stop goroutine when audio is done playing
+	done := make(chan struct{})
+	defer close(done)
+
 	//when stop is sent, kill ffmpeg
 	go func() {
-		<-stop
-		err = run.Process.Kill()
+		select {
+		case <-stop:
+			err = run.Process.Kill()
+		case <-done:
+		}
 	}()
 
 	// Send "speaking" packet over the voice websocket