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Code Issues Releases Wiki Activity

Use relative paths for DASH fragments (closes #12990)

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10x reduced JSON size
refs #13810
This commit is contained in:
Sergey M․
2017-08-05 06:57:19 +07:00
parent 8519b88f67
commit 1141e9104b
2 changed files with 20 additions and 10 deletions
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16
youtube_dl/extractor/common.py
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@@ -1892,9 +1892,13 @@ class InfoExtractor(object):
'Bandwidth': bandwidth,
}
def location_key(location):
return 'url' if re.match(r'^https?://', location) else 'path'
if 'segment_urls' not in representation_ms_info and 'media' in representation_ms_info:
media_template = prepare_template('media', ('Number', 'Bandwidth', 'Time'))
media_location_key = location_key(media_template)
# As per [1, 5.3.9.4.4, Table 16, page 55] $Number$ and $Time$
# can't be used at the same time
@@ -1904,7 +1908,7 @@ class InfoExtractor(object):
segment_duration = float_or_none(representation_ms_info['segment_duration'], representation_ms_info['timescale'])
representation_ms_info['total_number'] = int(math.ceil(float(period_duration) / segment_duration))
representation_ms_info['fragments'] = [{
'url': media_template % {
media_location_key: media_template % {
'Number': segment_number,
'Bandwidth': bandwidth,
},
@@ -1928,7 +1932,7 @@ class InfoExtractor(object):
'Number': segment_number,
}
representation_ms_info['fragments'].append({
'url': segment_url,
media_location_key: segment_url,
'duration': float_or_none(segment_d, representation_ms_info['timescale']),
})
@@ -1952,8 +1956,9 @@ class InfoExtractor(object):
for s in representation_ms_info['s']:
duration = float_or_none(s['d'], timescale)
for r in range(s.get('r', 0) + 1):
segment_uri = representation_ms_info['segment_urls'][segment_index]
fragments.append({
'url': representation_ms_info['segment_urls'][segment_index],
location_key(segment_uri): segment_uri,
'duration': duration,
})
segment_index += 1
@@ -1962,6 +1967,7 @@ class InfoExtractor(object):
# No fragments key is present in this case.
if 'fragments' in representation_ms_info:
f.update({
'fragment_base_url': base_url,
'fragments': [],
'protocol': 'http_dash_segments',
})
@@ -1969,10 +1975,8 @@ class InfoExtractor(object):
initialization_url = representation_ms_info['initialization_url']
if not f.get('url'):
f['url'] = initialization_url
f['fragments'].append({'url': initialization_url})
f['fragments'].append({location_key(initialization_url): initialization_url})
f['fragments'].extend(representation_ms_info['fragments'])
for fragment in f['fragments']:
fragment['url'] = urljoin(base_url, fragment['url'])
try:
existing_format = next(
fo for fo in formats