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-rw-r--r--youtube_dl/downloader/hls.py10
1 files changed, 8 insertions, 2 deletions
diff --git a/youtube_dl/downloader/hls.py b/youtube_dl/downloader/hls.py
index 62136ee54..049fb78ce 100644
--- a/youtube_dl/downloader/hls.py
+++ b/youtube_dl/downloader/hls.py
@@ -23,11 +23,17 @@ class HlsFD(FragmentFD):
UNSUPPORTED_FEATURES = (
r'#EXT-X-KEY:METHOD=(?!NONE)', # encrypted streams [1]
r'#EXT-X-BYTERANGE', # playlists composed of byte ranges of media files [2]
+
# Live streams heuristic does not always work (e.g. geo restricted to Germany
# http://hls-geo.daserste.de/i/videoportal/Film/c_620000/622873/format,716451,716457,716450,716458,716459,.mp4.csmil/index_4_av.m3u8?null=0)
# r'#EXT-X-MEDIA-SEQUENCE:(?!0$)', # live streams [3]
- r'#EXT-X-PLAYLIST-TYPE:EVENT', # media segments may be appended to the end of
- # event media playlists [4]
+
+ # This heuristic also is not correct since segments may not be appended as well.
+ # Twitch vods have EXT-X-PLAYLIST-TYPE:EVENT despite no segments will definitely
+ # be appended to the end of the playlist.
+ # r'#EXT-X-PLAYLIST-TYPE:EVENT', # media segments may be appended to the end of
+ # event media playlists [4]
+
# 1. https://tools.ietf.org/html/draft-pantos-http-live-streaming-17#section-4.3.2.4
# 2. https://tools.ietf.org/html/draft-pantos-http-live-streaming-17#section-4.3.2.2
# 3. https://tools.ietf.org/html/draft-pantos-http-live-streaming-17#section-4.3.3.2