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[InfoExtractor] Support byte range for DASH

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* adapted from https://github.com/ytdl-org/youtube-dl/pull/30279
* thx former GH user kikuyan
pull/32726/head
dirkf 10 months ago
parent bec9180e89
commit 4eaeb9b2c6
5 changed files with 562 additions and 36 deletions
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66
test/test_InfoExtractor.py
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@ -1126,6 +1126,72 @@ jwplayer("mediaplayer").setup({"abouttext":"Visit Indie DB","aboutlink":"http:\/
'fps': 30, 'fps': 30,
}], }],
{}, {},
), (
# https://github.com/ytdl-org/youtube-dl/issues/30235
# Bento4 generated test mpd
# mp4dash --mpd-name=manifest.mpd --no-split --use-segment-list mediafiles
'url_and_range',
'http://unknown/manifest.mpd', # mpd_url
'http://unknown/', # mpd_base_url
[{
'manifest_url': 'http://unknown/manifest.mpd',
'fragment_base_url': 'http://unknown/',
'ext': 'm4a',
'format_id': 'audio-und-mp4a.40.2',
'format_note': 'DASH audio',
'container': 'm4a_dash',
'protocol': 'http_dash_segments',
'acodec': 'mp4a.40.2',
'vcodec': 'none',
'tbr': 98.808,
}, {
'manifest_url': 'http://unknown/manifest.mpd',
'fragment_base_url': 'http://unknown/',
'ext': 'mp4',
'format_id': 'video-avc1',
'format_note': 'DASH video',
'container': 'mp4_dash',
'protocol': 'http_dash_segments',
'acodec': 'none',
'vcodec': 'avc1.4D401E',
'tbr': 699.597,
'width': 768,
'height': 432
}],
{},
), (
# https://github.com/ytdl-org/youtube-dl/issues/27575
# GPAC generated test mpd
# MP4Box -dash 10000 -single-file -out manifest.mpd mediafiles
'range_only',
'http://unknown/manifest.mpd', # mpd_url
'http://unknown/', # mpd_base_url
[{
'manifest_url': 'http://unknown/manifest.mpd',
'fragment_base_url': 'http://unknown/audio_dashinit.mp4',
'ext': 'm4a',
'format_id': '2',
'format_note': 'DASH audio',
'container': 'm4a_dash',
'protocol': 'http_dash_segments',
'acodec': 'mp4a.40.2',
'vcodec': 'none',
'tbr': 98.096,
}, {
'manifest_url': 'http://unknown/manifest.mpd',
'fragment_base_url': 'http://unknown/video_dashinit.mp4',
'ext': 'mp4',
'format_id': '1',
'format_note': 'DASH video',
'container': 'mp4_dash',
'protocol': 'http_dash_segments',
'acodec': 'none',
'vcodec': 'avc1.4D401E',
'tbr': 526.987,
'width': 768,
'height': 432
}],
{},
), ( ), (
'subtitles', 'subtitles',
'https://sdn-global-streaming-cache-3qsdn.akamaized.net/stream/3144/files/17/07/672975/3144-kZT4LWMQw6Rh7Kpd.ism/manifest.mpd', 'https://sdn-global-streaming-cache-3qsdn.akamaized.net/stream/3144/files/17/07/672975/3144-kZT4LWMQw6Rh7Kpd.ism/manifest.mpd',

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test/testdata/mpd/range_only.mpd vendored
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<?xml version="1.0"?>
<!-- MPD file Generated with GPAC version 1.0.1-revrelease at 2021-11-27T20:53:11.690Z -->
<MPD xmlns="urn:mpeg:dash:schema:mpd:2011" minBufferTime="PT1.500S" type="static" mediaPresentationDuration="PT0H0M30.196S" maxSegmentDuration="PT0H0M10.027S" profiles="urn:mpeg:dash:profile:full:2011">
<ProgramInformation moreInformationURL="http://gpac.io">
<Title>manifest.mpd generated by GPAC</Title>
</ProgramInformation>
<Period duration="PT0H0M30.196S">
<AdaptationSet segmentAlignment="true" maxWidth="768" maxHeight="432" maxFrameRate="30000/1001" par="16:9" lang="und" startWithSAP="1">
<Representation id="1" mimeType="video/mp4" codecs="avc1.4D401E" width="768" height="432" frameRate="30000/1001" sar="1:1" bandwidth="526987">
<BaseURL>video_dashinit.mp4</BaseURL>
<SegmentList timescale="90000" duration="900000">
<Initialization range="0-881"/>
<SegmentURL mediaRange="882-876094" indexRange="882-925"/>
<SegmentURL mediaRange="876095-1466732" indexRange="876095-876138"/>
<SegmentURL mediaRange="1466733-1953615" indexRange="1466733-1466776"/>
<SegmentURL mediaRange="1953616-1994211" indexRange="1953616-1953659"/>
</SegmentList>
</Representation>
</AdaptationSet>
<AdaptationSet segmentAlignment="true" lang="und" startWithSAP="1">
<Representation id="2" mimeType="audio/mp4" codecs="mp4a.40.2" audioSamplingRate="48000" bandwidth="98096">
<AudioChannelConfiguration schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011" value="2"/>
<BaseURL>audio_dashinit.mp4</BaseURL>
<SegmentList timescale="48000" duration="480000">
<Initialization range="0-752"/>
<SegmentURL mediaRange="753-124129" indexRange="753-796"/>
<SegmentURL mediaRange="124130-250544" indexRange="124130-124173"/>
<SegmentURL mediaRange="250545-374929" indexRange="250545-250588"/>
</SegmentList>
</Representation>
</AdaptationSet>
</Period>
</MPD>

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test/testdata/mpd/subtitles.mpd vendored
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<?xml version="1.0" encoding="utf-8"?>
<!-- Created with Unified Streaming Platform (version=1.10.18-20255) -->
<MPD
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="urn:mpeg:dash:schema:mpd:2011"
xsi:schemaLocation="urn:mpeg:dash:schema:mpd:2011 http://standards.iso.org/ittf/PubliclyAvailableStandards/MPEG-DASH_schema_files/DASH-MPD.xsd"
type="static"
mediaPresentationDuration="PT14M48S"
maxSegmentDuration="PT1M"
minBufferTime="PT10S"
profiles="urn:mpeg:dash:profile:isoff-live:2011">
<Period
id="1"
duration="PT14M48S">
<BaseURL>dash/</BaseURL>
<AdaptationSet
id="1"
group="1"
contentType="audio"
segmentAlignment="true"
audioSamplingRate="48000"
mimeType="audio/mp4"
codecs="mp4a.40.2"
startWithSAP="1">
<AudioChannelConfiguration
schemeIdUri="urn:mpeg:dash:23003:3:audio_channel_configuration:2011"
value="2" />
<Role schemeIdUri="urn:mpeg:dash:role:2011" value="main" />
<SegmentTemplate
timescale="48000"
initialization="3144-kZT4LWMQw6Rh7Kpd-$RepresentationID$.dash"
media="3144-kZT4LWMQw6Rh7Kpd-$RepresentationID$-$Time$.dash">
<SegmentTimeline>
<S t="0" d="96256" r="2" />
<S d="95232" />
<S d="96256" r="2" />
<S d="95232" />
<S d="96256" r="2" />
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<S d="3584" />
</SegmentTimeline>
</SegmentTemplate>
<Representation
id="audio=128001"
bandwidth="128001">
</Representation>
</AdaptationSet>
<AdaptationSet
id="2"
group="3"
contentType="text"
lang="en"
mimeType="application/mp4"
codecs="stpp"
startWithSAP="1">
<Role schemeIdUri="urn:mpeg:dash:role:2011" value="subtitle" />
<SegmentTemplate
timescale="1000"
initialization="3144-kZT4LWMQw6Rh7Kpd-$RepresentationID$.dash"
media="3144-kZT4LWMQw6Rh7Kpd-$RepresentationID$-$Time$.dash">
<SegmentTimeline>
<S t="0" d="60000" r="9" />
<S d="24000" />
</SegmentTimeline>
</SegmentTemplate>
<Representation
id="textstream_eng=1000"
bandwidth="1000">
</Representation>
</AdaptationSet>
<AdaptationSet
id="3"
group="2"
contentType="video"
par="960:409"
minBandwidth="100000"
maxBandwidth="4482000"
maxWidth="1689"
maxHeight="720"
segmentAlignment="true"
mimeType="video/mp4"
codecs="avc1.4D401F"
startWithSAP="1">
<Role schemeIdUri="urn:mpeg:dash:role:2011" value="main" />
<SegmentTemplate
timescale="12288"
initialization="3144-kZT4LWMQw6Rh7Kpd-$RepresentationID$.dash"
media="3144-kZT4LWMQw6Rh7Kpd-$RepresentationID$-$Time$.dash">
<SegmentTimeline>
<S t="0" d="24576" r="443" />
</SegmentTimeline>
</SegmentTemplate>
<Representation
id="video=100000"
bandwidth="100000"
width="336"
height="144"
sar="2880:2863"
scanType="progressive">
</Representation>
<Representation
id="video=326000"
bandwidth="326000"
width="562"
height="240"
sar="115200:114929"
scanType="progressive">
</Representation>
<Representation
id="video=698000"
bandwidth="698000"
width="844"
height="360"
sar="86400:86299"
scanType="progressive">
</Representation>
<Representation
id="video=1493000"
bandwidth="1493000"
width="1126"
height="480"
sar="230400:230267"
scanType="progressive">
</Representation>
<Representation
id="video=4482000"
bandwidth="4482000"
width="1688"
height="720"
sar="86400:86299"
scanType="progressive">
</Representation>
</AdaptationSet>
</Period>
</MPD>

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test/testdata/mpd/url_and_range.mpd vendored
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<?xml version="1.0" ?>
<MPD xmlns="urn:mpeg:dash:schema:mpd:2011" profiles="urn:mpeg:dash:profile:isoff-live:2011" minBufferTime="PT10.01S" mediaPresentationDuration="PT30.097S" type="static">
<!-- Created with Bento4 mp4-dash.py, VERSION=2.0.0-639 -->
<Period>
<!-- Video -->
<AdaptationSet mimeType="video/mp4" segmentAlignment="true" startWithSAP="1" maxWidth="768" maxHeight="432">
<Representation id="video-avc1" codecs="avc1.4D401E" width="768" height="432" scanType="progressive" frameRate="30000/1001" bandwidth="699597">
<SegmentList timescale="1000" duration="10010">
<Initialization sourceURL="video-frag.mp4" range="36-746"/>
<SegmentURL media="video-frag.mp4" mediaRange="747-876117"/>
<SegmentURL media="video-frag.mp4" mediaRange="876118-1466913"/>
<SegmentURL media="video-frag.mp4" mediaRange="1466914-1953954"/>
<SegmentURL media="video-frag.mp4" mediaRange="1953955-1994652"/>
</SegmentList>
</Representation>
</AdaptationSet>
<!-- Audio -->
<AdaptationSet mimeType="audio/mp4" startWithSAP="1" segmentAlignment="true">
<Representation id="audio-und-mp4a.40.2" codecs="mp4a.40.2" bandwidth="98808" audioSamplingRate="48000">
<AudioChannelConfiguration schemeIdUri="urn:mpeg:mpegB:cicp:ChannelConfiguration" value="2"/>
<SegmentList timescale="1000" duration="10010">
<Initialization sourceURL="audio-frag.mp4" range="32-623"/>
<SegmentURL media="audio-frag.mp4" mediaRange="624-124199"/>
<SegmentURL media="audio-frag.mp4" mediaRange="124200-250303"/>
<SegmentURL media="audio-frag.mp4" mediaRange="250304-374365"/>
<SegmentURL media="audio-frag.mp4" mediaRange="374366-374836"/>
</SegmentList>
</Representation>
</AdaptationSet>
</Period>
</MPD>

114
youtube_dl/extractor/common.py
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@ -183,6 +183,8 @@ class InfoExtractor(object):
fragment_base_url fragment_base_url
* "duration" (optional, int or float) * "duration" (optional, int or float)
* "filesize" (optional, int) * "filesize" (optional, int)
* "range" (optional, str of the form "start-end"
to use in HTTP Range header)
* preference Order number of this format. If this field is * preference Order number of this format. If this field is
present and not None, the formats get sorted present and not None, the formats get sorted
by this field, regardless of all other values. by this field, regardless of all other values.
@ -2296,15 +2298,27 @@ class InfoExtractor(object):
def extract_Initialization(source): def extract_Initialization(source):
initialization = source.find(_add_ns('Initialization')) initialization = source.find(_add_ns('Initialization'))
if initialization is not None: if initialization is not None:
ms_info['initialization_url'] = initialization.attrib['sourceURL'] ms_info['initialization_url'] = initialization.get('sourceURL') or base_url
initialization_url_range = initialization.get('range')
if initialization_url_range:
ms_info['initialization_url_range'] = initialization_url_range
segment_list = element.find(_add_ns('SegmentList')) segment_list = element.find(_add_ns('SegmentList'))
if segment_list is not None: if segment_list is not None:
extract_common(segment_list) extract_common(segment_list)
extract_Initialization(segment_list) extract_Initialization(segment_list)
segment_urls_e = segment_list.findall(_add_ns('SegmentURL')) segment_urls_e = segment_list.findall(_add_ns('SegmentURL'))
if segment_urls_e: segment_urls = traverse_obj(segment_urls_e, (
ms_info['segment_urls'] = [segment.attrib['media'] for segment in segment_urls_e] Ellipsis, T(lambda e: e.attrib), 'media'))
if segment_urls:
ms_info['segment_urls'] = segment_urls
segment_urls_range = traverse_obj(segment_urls_e, (
Ellipsis, T(lambda e: e.attrib), 'mediaRange',
T(lambda r: re.findall(r'^\d+-\d+$', r)), 0))
if segment_urls_range:
ms_info['segment_urls_range'] = segment_urls_range
if not segment_urls:
ms_info['segment_urls'] = [base_url for _ in segment_urls_range]
else: else:
segment_template = element.find(_add_ns('SegmentTemplate')) segment_template = element.find(_add_ns('SegmentTemplate'))
if segment_template is not None: if segment_template is not None:
@ -2443,6 +2457,11 @@ class InfoExtractor(object):
def location_key(location): def location_key(location):
return 'url' if re.match(r'^https?://', location) else 'path' return 'url' if re.match(r'^https?://', location) else 'path'
def calc_segment_duration():
return float_or_none(
representation_ms_info['segment_duration'],
representation_ms_info['timescale']) if 'segment_duration' in representation_ms_info else None
if 'segment_urls' not in representation_ms_info and 'media' in representation_ms_info: if 'segment_urls' not in representation_ms_info and 'media' in representation_ms_info:
media_template = prepare_template('media', ('Number', 'Bandwidth', 'Time')) media_template = prepare_template('media', ('Number', 'Bandwidth', 'Time'))
@ -2512,45 +2531,68 @@ class InfoExtractor(object):
'duration': duration, 'duration': duration,
}) })
segment_index += 1 segment_index += 1
representation_ms_info['fragments'] = fragments elif 'segment_urls_range' in representation_ms_info:
elif 'segment_urls' in representation_ms_info: # Segment URLs with mediaRange
# Example: https://kinescope.io/200615537/master.mpd
# https://github.com/ytdl-org/youtube-dl/issues/30235
# or any mpd generated with Bento4 `mp4dash --no-split --use-segment-list`
segment_duration = calc_segment_duration()
for segment_url, segment_url_range in zip(
representation_ms_info['segment_urls'], representation_ms_info['segment_urls_range']):
fragments.append({
location_key(segment_url): segment_url,
'range': segment_url_range,
'duration': segment_duration,
})
else:
# Segment URLs with no SegmentTimeline # Segment URLs with no SegmentTimeline
# Example: https://www.seznam.cz/zpravy/clanek/cesko-zasahne-vitr-o-sile-vichrice-muze-byt-i-zivotu-nebezpecny-39091 # Example: https://www.seznam.cz/zpravy/clanek/cesko-zasahne-vitr-o-sile-vichrice-muze-byt-i-zivotu-nebezpecny-39091
# https://github.com/ytdl-org/youtube-dl/pull/14844 # https://github.com/ytdl-org/youtube-dl/pull/14844
fragments = [] segment_duration = calc_segment_duration()
segment_duration = float_or_none(
representation_ms_info['segment_duration'],
representation_ms_info['timescale']) if 'segment_duration' in representation_ms_info else None
for segment_url in representation_ms_info['segment_urls']: for segment_url in representation_ms_info['segment_urls']:
fragment = { fragments.append({
location_key(segment_url): segment_url, location_key(segment_url): segment_url,
} 'duration': segment_duration,
if segment_duration: })
fragment['duration'] = segment_duration representation_ms_info['fragments'] = fragments
fragments.append(fragment)
representation_ms_info['fragments'] = fragments # If there is a fragments key available then we correctly recognized fragmented media.
# If there is a fragments key available then we correctly recognized fragmented media. # Otherwise we will assume unfragmented media with direct access. Technically, such
# Otherwise we will assume unfragmented media with direct access. Technically, such # assumption is not necessarily correct since we may simply have no support for
# assumption is not necessarily correct since we may simply have no support for # some forms of fragmented media renditions yet, but for now we'll use this fallback.
# some forms of fragmented media renditions yet, but for now we'll use this fallback. if 'fragments' in representation_ms_info:
if 'fragments' in representation_ms_info: base_url = representation_ms_info['base_url']
f.update({ f.update({
# NB: mpd_url may be empty when MPD manifest is parsed from a string # NB: mpd_url may be empty when MPD manifest is parsed from a string
'url': mpd_url or base_url, 'url': mpd_url or base_url,
'fragment_base_url': base_url, 'fragment_base_url': base_url,
'fragments': [], 'fragments': [],
'protocol': 'http_dash_segments', 'protocol': 'http_dash_segments',
})
if 'initialization_url' in representation_ms_info and 'initialization_url_range' in representation_ms_info:
# Initialization URL with range (accompanied by Segment URLs with mediaRange above)
# https://github.com/ytdl-org/youtube-dl/issues/30235
initialization_url = representation_ms_info['initialization_url']
f['fragments'].append({
location_key(initialization_url): initialization_url,
'range': representation_ms_info['initialization_url_range'],
}) })
if 'initialization_url' in representation_ms_info: elif 'initialization_url' in representation_ms_info:
initialization_url = representation_ms_info['initialization_url'] initialization_url = representation_ms_info['initialization_url']
if not f.get('url'): if not f.get('url'):
f['url'] = initialization_url f['url'] = initialization_url
f['fragments'].append({location_key(initialization_url): initialization_url}) f['fragments'].append({location_key(initialization_url): initialization_url})
f['fragments'].extend(representation_ms_info['fragments']) elif 'initialization_url_range' in representation_ms_info:
else: # no Initialization URL but range (accompanied by no Segment URLs but mediaRange above)
# Assuming direct URL to unfragmented media. # https://github.com/ytdl-org/youtube-dl/issues/27575
f['url'] = base_url f['fragments'].append({
formats.append(f) location_key(base_url): base_url,
'range': representation_ms_info['initialization_url_range'],
})
f['fragments'].extend(representation_ms_info['fragments'])
if not period_duration:
period_duration = sum(traverse_obj(representation_ms_info, (
'fragments', Ellipsis, 'duration', T(float_or_none))))
else: else:
# Assuming direct URL to unfragmented media. # Assuming direct URL to unfragmented media.
f['url'] = representation_ms_info['base_url'] f['url'] = representation_ms_info['base_url']

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