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[common] extract vbr, abr and fps for Unified Streaming Platform m3u8 manifests

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This commit is contained in:
Remita Amine 2016-07-13 15:54:43 +01:00
parent 51c2cd0b83
commit 00f4764cb7
2 changed files with 11 additions and 27 deletions
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26
youtube_dl/extractor/common.py
View File

@ -1207,6 +1207,7 @@ def _extract_m3u8_formats(self, m3u8_url, video_id, ext=None,
'url': format_url(line.strip()), 'url': format_url(line.strip()),
'tbr': tbr, 'tbr': tbr,
'ext': ext, 'ext': ext,
'fps': float_or_none(last_info.get('FRAME-RATE')),
'protocol': entry_protocol, 'protocol': entry_protocol,
'preference': preference, 'preference': preference,
} }
@ -1215,24 +1216,17 @@ def _extract_m3u8_formats(self, m3u8_url, video_id, ext=None,
width_str, height_str = resolution.split('x') width_str, height_str = resolution.split('x')
f['width'] = int(width_str) f['width'] = int(width_str)
f['height'] = int(height_str) f['height'] = int(height_str)
codecs = last_info.get('CODECS') # Unified Streaming Platform
if codecs: mobj = re.search(
vcodec, acodec = [None] * 2 r'audio.*?(?:%3D|=)(\d+)(?:-video.*?(?:%3D|=)(\d+))?', f['url'])
va_codecs = codecs.split(',') if mobj:
if len(va_codecs) == 1: abr, vbr = mobj.groups()
# Audio only entries usually come with single codec and abr, vbr = float_or_none(abr, 1000), float_or_none(vbr, 1000)
# no resolution. For more robustness we also check it to
# be mp4 audio.
if not resolution and va_codecs[0].startswith('mp4a'):
vcodec, acodec = 'none', va_codecs[0]
else:
vcodec = va_codecs[0]
else:
vcodec, acodec = va_codecs[:2]
f.update({ f.update({
'acodec': acodec, 'vbr': vbr,
'vcodec': vcodec, 'abr': abr,
}) })
f.update(parse_codecs(last_info.get('CODECS')))
if last_media is not None: if last_media is not None:
f['m3u8_media'] = last_media f['m3u8_media'] = last_media
last_media = None last_media = None

12
youtube_dl/extractor/wat.py
View File

@ -9,7 +9,6 @@
ExtractorError, ExtractorError,
unified_strdate, unified_strdate,
HEADRequest, HEADRequest,
float_or_none,
) )
@ -95,16 +94,7 @@ def extract_url(path_template, url_type):
m3u8_url.replace('ios.', 'web.').replace('.m3u8', '.f4m'), m3u8_url.replace('ios.', 'web.').replace('.m3u8', '.f4m'),
video_id, f4m_id='hds', fatal=False)) video_id, f4m_id='hds', fatal=False))
for m3u8_format in m3u8_formats: for m3u8_format in m3u8_formats:
mobj = re.search( vbr, abr = m3u8_format.get('vbr'), m3u8_format.get('abr')
r'audio.*?%3D(\d+)(?:-video.*?%3D(\d+))?', m3u8_format['url'])
if not mobj:
continue
abr, vbr = mobj.groups()
abr, vbr = float_or_none(abr, 1000), float_or_none(vbr, 1000)
m3u8_format.update({
'vbr': vbr,
'abr': abr,
})
if not vbr or not abr: if not vbr or not abr:
continue continue
f = m3u8_format.copy() f = m3u8_format.copy()