best video incorrectly chosen

[xp5-org]

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• You will be asked some questions and requested to provide some information, please read them carefully and answer honestly
• Put an x into all the boxes [ ] relevant to your issue (like this: [x])
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Make sure you are using the latest version: run youtube-dl --version and ensure your version is 2019.01.10. If it's not, read this FAQ entry and update. Issues with outdated version will be rejected.

• [x ] I've verified and I assure that I'm running youtube-dl 2019.01.10

Before submitting an issue make sure you have:

• [x ] At least skimmed through the README, most notably the FAQ and BUGS sections
• [x ] Searched the bugtracker for similar issues including closed ones
• [x ] Checked that provided video/audio/playlist URLs (if any) are alive and playable in a browser

What is the purpose of your issue?

• [ x] Bug report (encountered problems with youtube-dl)
• Site support request (request for adding support for a new site)
• Feature request (request for a new functionality)
• Question
• Other

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youtube-dl is incorrectly chosing which video quality is the best video quality

in the output below, we have the following available:

• 248 webm 1920x1080 1080p 1722k , vp9, 30fps, video only, 24.77MiB
  but it has instead chosen
• 18 mp4 640x360 medium 351k , avc1.42001E, mp4a.40.2@ 96k (44100Hz), 13.93MiB (best)

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youtube-dl -v --list-formats https://www.youtube.com/watch?v=Uekmck81_Cg&list=PL63ZO-jXFTasqvj7WdEFQ6QtG6UBrl9CR

[1] 28354

[debug] System config: []

[debug] User config: []
[debug] Custom config: []
[debug] Command-line args: [u'-v', u'--list-formats', u'https://www.youtube.com/watch?v=Uekmck81_Cg']
[debug] Encodings: locale UTF-8, fs UTF-8, out UTF-8, pref UTF-8
[debug] youtube-dl version 2019.01.10
[debug] Python version 2.7.15rc1 (CPython) - Linux-4.15.0-39-generic-x86_64-with-Ubuntu-18.04-bionic
[debug] exe versions: none
[debug] Proxy map: {}
[youtube] Uekmck81_Cg: Downloading webpage
[youtube] Uekmck81_Cg: Downloading video info webpage
[info] Available formats for Uekmck81_Cg:
format code extension resolution note
249 webm audio only DASH audio 64k , opus @ 50k, 2.17MiB
250 webm audio only DASH audio 83k , opus @ 70k, 2.87MiB
140 m4a audio only DASH audio 130k , m4a_dash container, mp4a.40.2@128k, 5.13MiB
171 webm audio only DASH audio 135k , vorbis@128k, 4.85MiB
251 webm audio only DASH audio 163k , opus @160k, 5.67MiB
160 mp4 256x144 144p 50k , avc1.4d400c, 30fps, video only, 730.83KiB
133 mp4 426x240 240p 90k , avc1.4d4015, 30fps, video only, 1.22MiB
242 webm 426x240 240p 122k , vp9, 30fps, video only, 2.21MiB
278 webm 256x144 144p 123k , webm container, vp9, 30fps, video only, 1.61MiB
134 mp4 640x360 360p 161k , avc1.4d401e, 30fps, video only, 2.06MiB
135 mp4 854x480 480p 236k , avc1.4d401f, 30fps, video only, 2.69MiB
243 webm 640x360 360p 292k , vp9, 30fps, video only, 3.93MiB
136 mp4 1280x720 720p 341k , avc1.4d401f, 30fps, video only, 4.50MiB
244 webm 854x480 480p 381k , vp9, 30fps, video only, 3.97MiB
247 webm 1280x720 720p 862k , vp9, 30fps, video only, 10.51MiB
137 mp4 1920x1080 1080p 1214k , avc1.640028, 30fps, video only, 11.25MiB
248 webm 1920x1080 1080p 1722k , vp9, 30fps, video only, 24.77MiB
17 3gp 176x144 small 40k , mp4v.20.3, mp4a.40.2@ 24k (22050Hz), 1.59MiB
36 3gp 320x180 small 121k , mp4v.20.3, mp4a.40.2 (22050Hz), 4.81MiB
18 mp4 640x360 medium 351k , avc1.42001E, mp4a.40.2@ 96k (44100Hz), 13.93MiB (best)

[1]+ Done youtube-dl -v --list-formats https://www.youtube.com/watch?v=Uekmck81_Cg

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"By default youtube-dl tries to download the best available quality, i.e. if you want the best quality you don't need to pass any special options, youtube-dl will guess it for you by default."

• is this a code bug or documentation error?

[dstftw]

Bother to read FAQ on what does best mean.