Download all DASH audio and video formats from YouTube

[edent]

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Description of your issue, suggested solution and other information

I can't download all DASH formats from a YouTube video.

At the moment I'm using:

youtube-dl  -f 139,140,160,133,134,135,136,137 -o '%(format)s.%(ext)s' youtube.com/....

Can I assume that those format numbers will always be the same for DASH video and audio? Or will some YouTube videos use different numbers?

If I use -f m4a I only get the highest quality m4a, rather than all variants.

I'm aware that I could use --all-formats - but that will also get me things I don't want, like 3gp files.

If I use -f "[protocol=http_dash_segments]" or -f "[ext=m4a]" I get ERROR: requested format not available

So...

• Are 139,140,160,133,134,135,136,137 the only DASH formats available?
• If not, is there an option I can use to get them all?

[dstftw]

1. No guarantees on format ids.
2. -f 'all[acodec=none]'.