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[ie/youtube] Extract all formats from multi-language m3u8s (#9875)

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Authored by: clienthax, bashonly

Co-authored-by: bashonly <88596187+bashonly@users.noreply.github.com>
This commit is contained in:
Haxy 2024-06-20 22:54:53 +01:00 committed by GitHub
parent 90c3721a32
commit 9bd8501993
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GPG Key ID: B5690EEEBB952194
2 changed files with 20 additions and 9 deletions
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5
yt_dlp/extractor/common.py
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@ -2222,6 +2222,11 @@ def build_stream_name():
'quality': quality,
'has_drm': has_drm,
}
# YouTube-specific
if yt_audio_content_id := last_stream_inf.get('YT-EXT-AUDIO-CONTENT-ID'):
f['language'] = yt_audio_content_id.split('.')[0]
resolution = last_stream_inf.get('RESOLUTION')
if resolution:
mobj = re.search(r'(?P<width>\d+)[xX](?P<height>\d+)', resolution)

24
yt_dlp/extractor/youtube.py
View File

@ -3797,6 +3797,8 @@ def _needs_live_processing(self, live_status, duration):
def _extract_formats_and_subtitles(self, streaming_data, video_id, player_url, live_status, duration):
CHUNK_SIZE = 10 << 20
PREFERRED_LANG_VALUE = 10
original_language = None
itags, stream_ids = collections.defaultdict(set), []
itag_qualities, res_qualities = {}, {0: None}
q = qualities([
@ -3894,10 +3896,12 @@ def build_fragments(f):
throttled = True
tbr = float_or_none(fmt.get('averageBitrate') or fmt.get('bitrate'), 1000)
language_preference = (
10 if audio_track.get('audioIsDefault') and 10
else -10 if 'descriptive' in (audio_track.get('displayName') or '').lower() and -10
else -1)
is_default = audio_track.get('audioIsDefault')
is_descriptive = 'descriptive' in (audio_track.get('displayName') or '').lower()
language_code = audio_track.get('id', '').split('.')[0]
if language_code and is_default:
original_language = language_code
format_duration = traverse_obj(fmt, ('approxDurationMs', {lambda x: float_or_none(x, 1000)}))
# Some formats may have much smaller duration than others (possibly damaged during encoding)
# E.g. 2-nOtRESiUc Ref: https://github.com/yt-dlp/yt-dlp/issues/2823
@ -3924,8 +3928,7 @@ def build_fragments(f):
'filesize': int_or_none(fmt.get('contentLength')),
'format_id': f'{itag}{"-drc" if fmt.get("isDrc") else ""}',
'format_note': join_nonempty(
join_nonempty(audio_track.get('displayName'),
language_preference > 0 and ' (default)', delim=''),
join_nonempty(audio_track.get('displayName'), is_default and ' (default)', delim=''),
name, fmt.get('isDrc') and 'DRC',
try_get(fmt, lambda x: x['projectionType'].replace('RECTANGULAR', '').lower()),
try_get(fmt, lambda x: x['spatialAudioType'].replace('SPATIAL_AUDIO_TYPE_', '').lower()),
@ -3944,9 +3947,8 @@ def build_fragments(f):
'filesize_approx': filesize_from_tbr(tbr, format_duration),
'url': fmt_url,
'width': int_or_none(fmt.get('width')),
'language': join_nonempty(audio_track.get('id', '').split('.')[0],
'desc' if language_preference < -1 else '') or None,
'language_preference': language_preference,
'language': join_nonempty(language_code, 'desc' if is_descriptive else '') or None,
'language_preference': PREFERRED_LANG_VALUE if is_default else -10 if is_descriptive else -1,
# Strictly de-prioritize broken, damaged and 3gp formats
'preference': -20 if is_broken else -10 if is_damaged else -2 if itag == '17' else None,
}
@ -4007,6 +4009,10 @@ def process_manifest_format(f, proto, client_name, itag):
elif itag:
f['format_id'] = itag
if original_language and f.get('language') == original_language:
f['format_note'] = join_nonempty(f.get('format_note'), '(default)', delim=' ')
f['language_preference'] = PREFERRED_LANG_VALUE
if f.get('source_preference') is None:
f['source_preference'] = -1