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[ie/youtube] Extract all formats from multi-language m3u8s (#9875)
Authored by: clienthax, bashonly Co-authored-by: bashonly <88596187+bashonly@users.noreply.github.com>
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@ -2222,6 +2222,11 @@ def build_stream_name():
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'quality': quality,
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'has_drm': has_drm,
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}
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# YouTube-specific
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if yt_audio_content_id := last_stream_inf.get('YT-EXT-AUDIO-CONTENT-ID'):
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f['language'] = yt_audio_content_id.split('.')[0]
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resolution = last_stream_inf.get('RESOLUTION')
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if resolution:
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mobj = re.search(r'(?P<width>\d+)[xX](?P<height>\d+)', resolution)
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@ -3797,6 +3797,8 @@ def _needs_live_processing(self, live_status, duration):
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def _extract_formats_and_subtitles(self, streaming_data, video_id, player_url, live_status, duration):
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CHUNK_SIZE = 10 << 20
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PREFERRED_LANG_VALUE = 10
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original_language = None
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itags, stream_ids = collections.defaultdict(set), []
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itag_qualities, res_qualities = {}, {0: None}
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q = qualities([
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@ -3894,10 +3896,12 @@ def build_fragments(f):
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throttled = True
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tbr = float_or_none(fmt.get('averageBitrate') or fmt.get('bitrate'), 1000)
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language_preference = (
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10 if audio_track.get('audioIsDefault') and 10
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else -10 if 'descriptive' in (audio_track.get('displayName') or '').lower() and -10
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else -1)
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is_default = audio_track.get('audioIsDefault')
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is_descriptive = 'descriptive' in (audio_track.get('displayName') or '').lower()
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language_code = audio_track.get('id', '').split('.')[0]
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if language_code and is_default:
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original_language = language_code
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format_duration = traverse_obj(fmt, ('approxDurationMs', {lambda x: float_or_none(x, 1000)}))
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# Some formats may have much smaller duration than others (possibly damaged during encoding)
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# E.g. 2-nOtRESiUc Ref: https://github.com/yt-dlp/yt-dlp/issues/2823
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@ -3924,8 +3928,7 @@ def build_fragments(f):
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'filesize': int_or_none(fmt.get('contentLength')),
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'format_id': f'{itag}{"-drc" if fmt.get("isDrc") else ""}',
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'format_note': join_nonempty(
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join_nonempty(audio_track.get('displayName'),
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language_preference > 0 and ' (default)', delim=''),
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join_nonempty(audio_track.get('displayName'), is_default and ' (default)', delim=''),
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name, fmt.get('isDrc') and 'DRC',
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try_get(fmt, lambda x: x['projectionType'].replace('RECTANGULAR', '').lower()),
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try_get(fmt, lambda x: x['spatialAudioType'].replace('SPATIAL_AUDIO_TYPE_', '').lower()),
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@ -3944,9 +3947,8 @@ def build_fragments(f):
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'filesize_approx': filesize_from_tbr(tbr, format_duration),
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'url': fmt_url,
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'width': int_or_none(fmt.get('width')),
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'language': join_nonempty(audio_track.get('id', '').split('.')[0],
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'desc' if language_preference < -1 else '') or None,
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'language_preference': language_preference,
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'language': join_nonempty(language_code, 'desc' if is_descriptive else '') or None,
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'language_preference': PREFERRED_LANG_VALUE if is_default else -10 if is_descriptive else -1,
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# Strictly de-prioritize broken, damaged and 3gp formats
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'preference': -20 if is_broken else -10 if is_damaged else -2 if itag == '17' else None,
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}
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@ -4007,6 +4009,10 @@ def process_manifest_format(f, proto, client_name, itag):
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elif itag:
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f['format_id'] = itag
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if original_language and f.get('language') == original_language:
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f['format_note'] = join_nonempty(f.get('format_note'), '(default)', delim=' ')
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f['language_preference'] = PREFERRED_LANG_VALUE
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if f.get('source_preference') is None:
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f['source_preference'] = -1
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