[videolecturesnet] Fix rtmp stream glitches (Closes #4968)

diff --git a/youtube_dl/extractor/videolecturesnet.py b/youtube_dl/extractor/videolecturesnet.py
index 1ec5298e9e5102a1a5a732898239cda84dde23df..d46234856d55aeef3e2e94943b25c5b739969982 100644 (file)
--- a/youtube_dl/extractor/videolecturesnet.py
+++ b/youtube_dl/extractor/videolecturesnet.py
@@ -70,6 +70,7 @@ class VideoLecturesNetIE(InfoExtractor):
                 f.update({
                     'url': v.attrib['streamer'],
                     'play_path': src,
+                    'rtmp_real_time': True,
                 })
                 formats.append(f)
         self._sort_formats(formats)