Some links I want to investigate further.
This is difference in the header meta data of an icecast URL, than in the stream data.
The header meta-data you get from this cURL command (via [WayBack] linux – Catch Metadata from Icecast-audio-stream – Super User):
# curl -H "Icy-MetaData: 1" -v "http://icecast.omroep.nl:80/radio2-bb-mp3" > /dev/null
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0* Trying 145.58.53.154...
* TCP_NODELAY set
* Connected to icecast.omroep.nl (145.58.53.154) port 80 (#0)
> GET /radio2-bb-mp3 HTTP/1.1
> Host: icecast.omroep.nl
> User-Agent: curl/7.54.0
> Accept: */*
> Icy-MetaData: 1
>
* HTTP 1.0, assume close after body
< HTTP/1.0 200 OK
< Content-Type: audio/mpeg
< Date: Mon, 01 Jul 2019 06:46:33 GMT
< icy-br:192
< ice-audio-info: samplerate=48000;channels=2;bitrate=192
< icy-br:192
< icy-genre:Mixed
< icy-metadata:1
< icy-name:NPO Radio2
< icy-pub:0
< icy-url:http://www.radio2.nl
< Server: Icecast 2.4.0-kh10
< Cache-Control: no-cache, no-store
< Access-Control-Allow-Origin: *
< Access-Control-Allow-Headers: Origin, Accept, X-Requested-With, Content-Type
< Access-Control-Allow-Methods: GET, OPTIONS, HEAD
< Connection: Close
< Expires: Mon, 26 Jul 1997 05:00:00 GMT
< icy-metaint:16000
<
The content meta-data you can for instance get with node.js in a call like [WayBack] https://colon.roderickgadellaa.com:8001/get/id3/?url=http%3A%2F%2Ficecast.omroep.nl%3A80%2Fradio2-bb-mp3:
{"ok":true,"code":200,"error":false,"data":{"headers":{"content-type":"audio/mpeg","date":"Sat, 29 Jun 2019 17:07:03 GMT","icy-br":"192, 192","ice-audio-info":"samplerate=48000;channels=2;bitrate=192","icy-genre":"Mixed","icy-metadata":"1","icy-name":"NPO Radio2","icy-pub":"0","icy-url":"http://www.radio2.nl","server":"Icecast 2.4.0-kh10","cache-control":"no-cache, no-store","access-control-allow-origin":"*","access-control-allow-headers":"Origin, Accept, X-Requested-With, Content-Type","access-control-allow-methods":"GET, OPTIONS, HEAD","connection":"Close","expires":"Mon, 26 Jul 1997 05:00:00 GMT","icy-metaint":"16000"},"metadata":{"StreamTitle":"AUDIOLINK-AUDIO-FTP-SERVER - +EJ+ Ons Uuropener"},"timestamp":1561828023103,"cacheValidUntil":1561828038103},"request":{"protocol":null,"slashes":null,"auth":null,"host":null,"port":null,"hostname":null,"hash":null,"search":"?url=http%3A%2F%2Ficecast.omroep.nl%3A80%2Fradio2-bb-mp3","query":{"url":"http://icecast.omroep.nl:80/radio2-bb-mp3"},"pathname":"/get/id3/","path":"/get/id3/?url=http%3A%2F%2Ficecast.omroep.nl%3A80%2Fradio2-bb-mp3","href":"/get/id3/?url=http%3A%2F%2Ficecast.omroep.nl%3A80%2Fradio2-bb-mp3"}}
This was at a time where the Dutch NPO Radio 2 had trouble with their ID3 service as the first part stopped refreshing for days: "metadata":{"StreamTitle":"AUDIOLINK-AUDIO-FTP-SERVER - +EJ+ Ons Uuropener"}
Some links that will help me eventually dump this from the command-line:
–jeroen
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