From 17756882920cbc8620251b81da433374cd685dda Mon Sep 17 00:00:00 2001
From: Zhao Zhili <quinkblack@foxmail.com>
Date: Sat, 16 Jan 2021 00:47:41 +0800
Subject: [PATCH] avformat/hlsenc: EXT-X-I-FRAMES-ONLY requires version 4 or
 higher

---
 libavformat/hlsenc.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c
index 7f38db7058..4b66f436dd 100644
--- a/libavformat/hlsenc.c
+++ b/libavformat/hlsenc.c
@@ -1564,6 +1564,10 @@ static int hls_window(AVFormatContext *s, int last, VariantStream *vs)
         sequence = 0;
     }
 
+    if (hls->flags & HLS_I_FRAMES_ONLY) {
+        hls->version = 4;
+    }
+
     if (hls->flags & HLS_INDEPENDENT_SEGMENTS) {
         hls->version = 6;
     }