Submit more available information when listening with mpv-mpris #100
Description
Checking playerctl when using mpv to listen to songs on youtube provides the following information:
playerctl -a metadata
mpv mpris:length 232501000
mpv xesam:contentCreated 2019-03-29T00:00:00
mpv xesam:artist 一二三
mpv mpris:artUrl https://i1.ytimg.com/vi/KuB_8UAZfc4/hqdefault.jpg
mpv mpris:trackid '/0'
mpv xesam:title しゃしゃてん ／ 一二三 feat.音街ウナ
mpv xesam:url https://www.youtube.com/watch?v=KuB_8UAZfc4
mpv mpris:length 232841000
Currently the xesam:url part in particular is not being submitted (supported as origin_url).
Other fields that could be submitted would be the duration as duration_ms and if you would be interested in parsing the url field submitting the music_service would also be an option.