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[extractor/common] Restore NAME usage from EXT-X-MEDIA tag for formats codes in _extract_m3u8_formats (Closes #10522)

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Sergey M․ 2016-09-01 21:37:25 +07:00
parent f096ec2625
commit 9250181f37
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GPG Key ID: 2C393E0F18A9236D
1 changed files with 9 additions and 3 deletions
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12
youtube_dl/extractor/common.py
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@ -1202,6 +1202,7 @@ def _extract_m3u8_formats(self, m3u8_url, video_id, ext=None,
'preference': preference,
}]
last_info = None
last_media = None
for line in m3u8_doc.splitlines():
if line.startswith('#EXT-X-STREAM-INF:'):
last_info = parse_m3u8_attributes(line)
@ -1224,6 +1225,10 @@ def _extract_m3u8_formats(self, m3u8_url, video_id, ext=None,
'protocol': entry_protocol,
'preference': preference,
})
else:
# When there is no URI in EXT-X-MEDIA let this tag's
# data be used by regular URI lines below
last_media = media
elif line.startswith('#') or not line.strip():
continue
else:
@ -1234,13 +1239,14 @@ def _extract_m3u8_formats(self, m3u8_url, video_id, ext=None,
format_id = []
if m3u8_id:
format_id.append(m3u8_id)
last_media_name = last_media.get('NAME') if last_media else None
# Despite specification does not mention NAME attribute for
# EXT-X-STREAM-INF it still sometimes may be present
stream_name = last_info.get('NAME') or last_media_name
# Bandwidth of live streams may differ over time thus making
# format_id unpredictable. So it's better to keep provided
# format_id intact.
if not live:
# Despite specification does not mention NAME attribute for
# EXT-X-STREAM-INF it still sometimes may be present
stream_name = last_info.get('NAME')
format_id.append(stream_name if stream_name else '%d' % (tbr if tbr else len(formats)))
f = {
'format_id': '-'.join(format_id),