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[extractor/generic] Add fragment_query extractor arg for DASH and HLS (#5528)

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* `fragment_query`: passthrough any query in generic mpd/m3u8 manifest URLs to their fragments
* Add support for `extra_param_to_segment_url` to DASH downloader
Authored by: bashonly, pukkandan
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bashonly 2022-11-21 00:51:45 +00:00 committed by GitHub
parent f352a09778
commit 3b021eacef
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3 changed files with 31 additions and 4 deletions
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3
README.md
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@ -1736,6 +1736,9 @@ #### youtubetab (YouTube playlists, channels, feeds, etc.)
* `skip`: One or more of `webpage` (skip initial webpage download), `authcheck` (allow the download of playlists requiring authentication when no initial webpage is downloaded. This may cause unwanted behavior, see [#1122](https://github.com/yt-dlp/yt-dlp/pull/1122) for more details)
* `approximate_date`: Extract approximate `upload_date` and `timestamp` in flat-playlist. This may cause date-based filters to be slightly off
#### generic
* `fragment_query`: Passthrough any query in mpd/m3u8 manifest URLs to their fragments. Does not apply to ffmpeg
#### funimation
* `language`: Audio languages to extract, e.g. `funimation:language=english,japanese`
* `version`: The video version to extract - `uncut` or `simulcast`

14
yt_dlp/downloader/dash.py
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@ -1,8 +1,9 @@
import time
import urllib.parse
from . import get_suitable_downloader
from .fragment import FragmentFD
from ..utils import urljoin
from ..utils import update_url_query, urljoin
class DashSegmentsFD(FragmentFD):
@ -40,7 +41,12 @@ def real_download(self, filename, info_dict):
self._prepare_and_start_frag_download(ctx, fmt)
ctx['start'] = real_start
fragments_to_download = self._get_fragments(fmt, ctx)
extra_query = None
extra_param_to_segment_url = info_dict.get('extra_param_to_segment_url')
if extra_param_to_segment_url:
extra_query = urllib.parse.parse_qs(extra_param_to_segment_url)
fragments_to_download = self._get_fragments(fmt, ctx, extra_query)
if real_downloader:
self.to_screen(
@ -57,7 +63,7 @@ def _resolve_fragments(self, fragments, ctx):
fragments = fragments(ctx) if callable(fragments) else fragments
return [next(iter(fragments))] if self.params.get('test') else fragments
def _get_fragments(self, fmt, ctx):
def _get_fragments(self, fmt, ctx, extra_query):
fragment_base_url = fmt.get('fragment_base_url')
fragments = self._resolve_fragments(fmt['fragments'], ctx)
@ -70,6 +76,8 @@ def _get_fragments(self, fmt, ctx):
if not fragment_url:
assert fragment_base_url
fragment_url = urljoin(fragment_base_url, fragment['path'])
if extra_query:
fragment_url = update_url_query(fragment_url, extra_query)
yield {
'frag_index': frag_index,

18
yt_dlp/extractor/generic.py
View File

@ -2189,6 +2189,13 @@ def report_detected(self, name, num=1, note=None):
self._downloader.write_debug(f'Identified {num} {name}{format_field(note, None, "; %s")}')
def _fragment_query(self, url):
if self._configuration_arg('fragment_query'):
query_string = urllib.parse.urlparse(url).query
if query_string:
return {'extra_param_to_segment_url': query_string}
return {}
def _extract_rss(self, url, video_id, doc):
NS_MAP = {
'itunes': 'http://www.itunes.com/dtds/podcast-1.0.dtd',
@ -2351,8 +2358,10 @@ def _real_extract(self, url):
subtitles = {}
if format_id.endswith('mpegurl'):
formats, subtitles = self._extract_m3u8_formats_and_subtitles(url, video_id, 'mp4', headers=headers)
info_dict.update(self._fragment_query(url))
elif format_id.endswith('mpd') or format_id.endswith('dash+xml'):
formats, subtitles = self._extract_mpd_formats_and_subtitles(url, video_id, headers=headers)
info_dict.update(self._fragment_query(url))
elif format_id == 'f4m':
formats = self._extract_f4m_formats(url, video_id, headers=headers)
else:
@ -2379,6 +2388,7 @@ def _real_extract(self, url):
if first_bytes.startswith(b'#EXTM3U'):
self.report_detected('M3U playlist')
info_dict['formats'], info_dict['subtitles'] = self._extract_m3u8_formats_and_subtitles(url, video_id, 'mp4')
info_dict.update(self._fragment_query(url))
return info_dict
# Maybe it's a direct link to a video?
@ -2429,6 +2439,7 @@ def _real_extract(self, url):
doc,
mpd_base_url=full_response.geturl().rpartition('/')[0],
mpd_url=url)
info_dict.update(self._fragment_query(url))
self.report_detected('DASH manifest')
return info_dict
elif re.match(r'^{http://ns\.adobe\.com/f4m/[12]\.0}manifest$', doc.tag):
@ -2541,7 +2552,10 @@ def _extract_embeds(self, url, webpage, *, urlh=None, info_dict={}):
m3u8_id='hls', fatal=False)
formats.extend(fmts)
self._merge_subtitles(subs, target=subtitles)
else:
for fmt in formats:
fmt.update(self._fragment_query(src))
if not formats:
formats.append({
'url': src,
'ext': (mimetype2ext(src_type)
@ -2776,8 +2790,10 @@ def filter_video(urls):
return [self._extract_xspf_playlist(video_url, video_id)]
elif ext == 'm3u8':
entry_info_dict['formats'], entry_info_dict['subtitles'] = self._extract_m3u8_formats_and_subtitles(video_url, video_id, ext='mp4', headers=headers)
entry_info_dict.update(self._fragment_query(video_url))
elif ext == 'mpd':
entry_info_dict['formats'], entry_info_dict['subtitles'] = self._extract_mpd_formats_and_subtitles(video_url, video_id, headers=headers)
entry_info_dict.update(self._fragment_query(video_url))
elif ext == 'f4m':
entry_info_dict['formats'] = self._extract_f4m_formats(video_url, video_id, headers=headers)
elif re.search(r'(?i)\.(?:ism|smil)/manifest', video_url) and video_url != url: