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[pull] master from yt-dlp:master #73

Merged
merged 1 commit into from
Sep 12, 2021
Merged

[pull] master from yt-dlp:master #73

merged 1 commit into from
Sep 12, 2021

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@pull pull bot added the ⤵️ pull label Sep 12, 2021
@pull pull bot merged commit 03c8627 into nixxo:master Sep 12, 2021
nixxo pushed a commit that referenced this pull request Nov 22, 2021
Authored by fstirlitz
Modified from: ytdl-org/youtube-dl#6144

Closes: #73
Fixes:
ytdl-org/youtube-dl#6106
ytdl-org/youtube-dl#14977
ytdl-org/youtube-dl#21438
ytdl-org/youtube-dl#23609
ytdl-org/youtube-dl#28132

Might also fix (untested):
ytdl-org/youtube-dl#15424
ytdl-org/youtube-dl#18267
ytdl-org/youtube-dl#23899
ytdl-org/youtube-dl#24375
ytdl-org/youtube-dl#24595
ytdl-org/youtube-dl#27899

Related:
ytdl-org/youtube-dl#22379
ytdl-org/youtube-dl#24517
ytdl-org/youtube-dl#24886
ytdl-org/youtube-dl#27215

Notes:
* The functions `extractor.common._extract_..._formats` are still kept for compatibility
* Only some extractors have currently been moved to using `_extract_..._formats_and_subtitles`
* Direct subtitle manifests (without a master) are not supported and are wrongly identified as containing video formats
* AES support is untested
* The fragmented TTML subtitles extracted from DASH/ISM are valid, but are unsupported by `ffmpeg` and most video players
    * Their XML fragments can be dumped using `ffmpeg -i in.mp4 -f data -map 0 -c copy out.ttml`.
        Once the unnecessary headers are stripped out of this, it becomes a valid self-contained ttml file
    * The ttml subs downloaded from DASH manifests can also be directly opened with <https://github.com/SubtitleEdit>
* Fragmented WebVTT files extracted from DASH/ISM are also unsupported by most tools
    * Unlike the ttml files, the XML fragments of these cannot be dumped using `ffmpeg`
    * The webtt subs extracted from DASH can be parsed by <https://github.com/gpac/gpac>
    * But validity of the those extracted from ISM are untested
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