From 3078f8140324c780a93cf86334ce065af8446079 Mon Sep 17 00:00:00 2001
From: cbaurtx <cbaurtx@gmx.net>
Date: Sun, 14 Jul 2019 19:30:34 +0200
Subject: [PATCH] extend _parse_extinf to allow for #EXIINF tags like 
 #EXTINF:-1 tvg-id=....., Title

---
 m3u8/parser.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/m3u8/parser.py b/m3u8/parser.py
index ccd5696d..e5d0050f 100644
--- a/m3u8/parser.py
+++ b/m3u8/parser.py
@@ -187,11 +187,14 @@ def _parse_extinf(line, data, state, lineno, strict):
     chunks = line.replace(protocol.extinf + ':', '').split(',', 1)
     if len(chunks) == 2:
         duration, title = chunks
+        if not strict:
+            duration = re.search(r'^\s*-?\+?\d+\.?\d*', duration).group(0)
     elif len(chunks) == 1:
         if strict:
             raise ParseError(lineno, line)
         else:
             duration = chunks[0]
+            duration = re.search(r'^\s*-?\+?\d+\.?\d*', duration).group(0)
             title = ''
     if 'segment' not in state:
         state['segment'] = {}