Short IT recipes: MPV: Check twitch stream quality and specify one

Monday, January 16, 2017

MPV: Check twitch stream quality and specify one

Get stream format codes and avaliable resolutions youtube-dl -F https://www.twitch.tv/burkeblack
Gives, e.g.:


[twitch:stream] burkeblack: Downloading stream JSON 

[twitch:stream] burkeblack: Downloading channel access token

[twitch:stream] burkeblack: Downloading m3u8 information

[info] Available formats for 24252344256:

format code  extension  resolution note

meta         mp4        multiple   Quality selection URL 

Audio_Only   mp4        audio only  128k , mp4a.40.2@3561785328572937k

Mobile       mp4        400x226     292k , avc1.66.30, mp4a.40.2

Low          mp4        640x360     692k , avc1.66.30, mp4a.40.2

Medium       mp4        852x480     992k , avc1.77.30, mp4a.40.2

High         mp4        1280x720   1760k , avc1.77.31, mp4a.40.2

Source       mp4        1280x720   3561k , avc1.4D4020, mp4a.40.2 (best)

Select the quality format you want, and play it. For example, for medium: mpv https://www.twitch.tv/burkeblack --ytdl-format=Medium