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[extractor/common] Respect Width and Height attributes in ISM manifests

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Sergey M․ 2017-05-14 06:11:45 +07:00
parent 56f9c77f0e
commit 76d5a36391
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1 changed files with 11 additions and 2 deletions
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13
youtube_dl/extractor/common.py
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@ -2001,6 +2001,12 @@ def _extract_ism_formats(self, ism_url, video_id, ism_id=None, note=None, errnot
compat_etree_fromstring(ism.encode('utf-8')), urlh.geturl(), ism_id) compat_etree_fromstring(ism.encode('utf-8')), urlh.geturl(), ism_id)
def _parse_ism_formats(self, ism_doc, ism_url, ism_id=None): def _parse_ism_formats(self, ism_doc, ism_url, ism_id=None):
"""
Parse formats from ISM manifest.
References:
1. [MS-SSTR]: Smooth Streaming Protocol,
https://msdn.microsoft.com/en-us/library/ff469518.aspx
"""
if ism_doc.get('IsLive') == 'TRUE' or ism_doc.find('Protection') is not None: if ism_doc.get('IsLive') == 'TRUE' or ism_doc.find('Protection') is not None:
return [] return []
@ -2022,8 +2028,11 @@ def _parse_ism_formats(self, ism_doc, ism_url, ism_id=None):
self.report_warning('%s is not a supported codec' % fourcc) self.report_warning('%s is not a supported codec' % fourcc)
continue continue
tbr = int(track.attrib['Bitrate']) // 1000 tbr = int(track.attrib['Bitrate']) // 1000
width = int_or_none(track.get('MaxWidth')) # [1] does not mention Width and Height attributes. However,
height = int_or_none(track.get('MaxHeight')) # they're often present while MaxWidth and MaxHeight are
# missing, so should be used as fallbacks
width = int_or_none(track.get('MaxWidth') or track.get('Width'))
height = int_or_none(track.get('MaxHeight') or track.get('Height'))
sampling_rate = int_or_none(track.get('SamplingRate')) sampling_rate = int_or_none(track.get('SamplingRate'))
track_url_pattern = re.sub(r'{[Bb]itrate}', track.attrib['Bitrate'], url_pattern) track_url_pattern = re.sub(r'{[Bb]itrate}', track.attrib['Bitrate'], url_pattern)