From ec3e9230eda3b8e69c4c6e951f05838f81331705 Mon Sep 17 00:00:00 2001
From: aler9 <46489434+aler9@users.noreply.github.com>
Date: Sat, 24 Apr 2021 17:07:13 +0200
Subject: [PATCH] HLS client: flush buffers after every write

---
 internal/serverhls/server.go | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/internal/serverhls/server.go b/internal/serverhls/server.go
index 3937d8b1..d96d6fee 100644
--- a/internal/serverhls/server.go
+++ b/internal/serverhls/server.go
@@ -110,7 +110,20 @@ func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	res := <-cres
 
 	if res != nil {
-		io.Copy(w, res)
+		buf := make([]byte, 4096)
+		for {
+			n, err := res.Read(buf)
+			if err != nil {
+				return
+			}
+
+			_, err = w.Write(buf[:n])
+			if err != nil {
+				return
+			}
+
+			w.(http.Flusher).Flush()
+		}
 	}
 }