From c0dc9df2cc6321155e8a7a2a6c66be54746e5c13 Mon Sep 17 00:00:00 2001
From: Robert Nagy <ronag89@gmail.com>
Date: Fri, 11 Nov 2016 21:56:00 +0800
Subject: [PATCH] increment initial_prog_date_time when removing old segments

Fixes https://trac.ffmpeg.org/ticket/5940#ticket

Reviewed-by: Michael Niedermayer <<michael@niedermayer.cc>>
Signed-off-by: Robert Nagy <ronag89@gmail.com>
Signed-off-by: Steven Liu <lingjiujianke@gmail.com>
---
 libavformat/hlsenc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavformat/hlsenc.c b/libavformat/hlsenc.c
index 9ca2df7bf2..e16fb0caa9 100644
--- a/libavformat/hlsenc.c
+++ b/libavformat/hlsenc.c
@@ -183,6 +183,7 @@ static int hls_delete_old_segments(HLSContext *hls) {
     segment = hls->old_segments;
     while (segment) {
         playlist_duration -= segment->duration;
+        hls->initial_prog_date_time += segment->duration;
         previous_segment = segment;
         segment = previous_segment->next;
         if (playlist_duration <= -previous_segment->duration) {