From 6ad638d0e834964dbab625e695afd13a3568b42c Mon Sep 17 00:00:00 2001
From: aler9 <46489434+aler9@users.noreply.github.com>
Date: Sat, 14 Aug 2021 14:56:20 +0200
Subject: [PATCH] hls: fix compatibility with video.js and iOS

add AUDs to all h264 packet groups
---
 internal/hls/tsfile.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/internal/hls/tsfile.go b/internal/hls/tsfile.go
index 25a46938..e58fcc77 100644
--- a/internal/hls/tsfile.go
+++ b/internal/hls/tsfile.go
@@ -90,6 +90,9 @@ func (t *tsFile) writeH264(dts time.Duration, pts time.Duration, isIDR bool, nal
 		}
 	}
 
+	// prepend an AUD. This is required by video.js and iOS
+	nalus = append([][]byte{{byte(h264.NALUTypeAccessUnitDelimiter), 240}}, nalus...)
+
 	enc, err := h264.EncodeAnnexB(nalus)
 	if err != nil {
 		return err