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[ie/youtube] Extract live adaptive incomplete formats (#15937)

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Closes #10148
Authored by: CanOfSocks, bashonly

Co-authored-by: bashonly <88596187+bashonly@users.noreply.github.com>
This commit is contained in:
CanOfSocks
2026-02-19 10:52:13 +11:00
committed by GitHub
parent 2204cee6d8
commit 319a2bda83
2 changed files with 30 additions and 12 deletions
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40
yt_dlp/extractor/youtube/_video.py
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@@ -3212,6 +3212,7 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
])
skip_player_js = 'js' in self._configuration_arg('player_skip')
format_types = self._configuration_arg('formats')
skip_bad_formats = 'incomplete' not in format_types
all_formats = 'duplicate' in format_types
if self._configuration_arg('include_duplicate_formats'):
all_formats = True
@@ -3457,7 +3458,8 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
https_fmts = []
for fmt_stream in streaming_formats:
if fmt_stream.get('targetDurationSec'):
# Live adaptive https formats are not supported: skip unless extractor-arg given
if fmt_stream.get('targetDurationSec') and skip_bad_formats:
continue
# FORMAT_STREAM_TYPE_OTF(otf=1) requires downloading the init fragment
@@ -3569,7 +3571,6 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
yield from process_https_formats()
needs_live_processing = self._needs_live_processing(live_status, duration)
skip_bad_formats = 'incomplete' not in format_types
skip_manifests = set(self._configuration_arg('skip'))
if (needs_live_processing == 'is_live' # These will be filtered out by YoutubeDL anyway
@@ -4079,16 +4080,33 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
needs_live_processing = self._needs_live_processing(live_status, duration)
def is_bad_format(fmt):
if needs_live_processing and not fmt.get('is_from_start'):
return True
elif (live_status == 'is_live' and needs_live_processing != 'is_live'
and fmt.get('protocol') == 'http_dash_segments'):
return True
def adjust_incomplete_format(fmt, note_suffix='(Last 2 hours)', pref_adjustment=-10):
fmt['preference'] = (fmt.get('preference') or -1) + pref_adjustment
fmt['format_note'] = join_nonempty(fmt.get('format_note'), note_suffix, delim=' ')
for fmt in filter(is_bad_format, formats):
fmt['preference'] = (fmt.get('preference') or -1) - 10
fmt['format_note'] = join_nonempty(fmt.get('format_note'), '(Last 2 hours)', delim=' ')
# Adjust preference and format note for incomplete live/post-live formats
if live_status in ('is_live', 'post_live'):
for fmt in formats:
protocol = fmt.get('protocol')
# Currently, protocol isn't set for adaptive https formats, but this could change
is_adaptive = protocol in (None, 'http', 'https')
if live_status == 'post_live' and is_adaptive:
# Post-live adaptive formats cause HttpFD to raise "Did not get any data blocks"
# These formats are *only* useful to external applications, so we can hide them
# Set their preference <= -1000 so that FormatSorter flags them as 'hidden'
adjust_incomplete_format(fmt, note_suffix='(ended)', pref_adjustment=-5000)
# Is it live with --live-from-start? Or is it post-live and its duration is >2hrs?
elif needs_live_processing:
if not fmt.get('is_from_start'):
# Post-live m3u8 formats for >2hr streams
adjust_incomplete_format(fmt)
elif live_status == 'is_live':
if protocol == 'http_dash_segments':
# Live DASH formats without --live-from-start
adjust_incomplete_format(fmt)
elif is_adaptive:
# Incomplete live adaptive https formats
adjust_incomplete_format(fmt, note_suffix='(incomplete)', pref_adjustment=-20)
if needs_live_processing:
self._prepare_live_from_start_formats(