Capturer les métadonnées du flux audio Icecast

Vous devez vérifier que la commande que vous utilisez envoie réellement cet en-tête.

Utilisation cURL il fonctionne parfaitement (voir la dernière ligne de la sortie) :

$ curl -H "Icy-MetaData: 1" -v "http://ice1.somafm.com/deepspaceone-128-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 173.239.76.148...
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0* Connected to ice1.somafm.com (173.239.76.148) port 80 (#0)
> GET /deepspaceone-128-mp3 HTTP/1.1
> Host: ice1.somafm.com
> User-Agent: curl/7.45.0
> Accept: */*
> Icy-MetaData: 1
> 
* HTTP 1.0, assume close after body
< HTTP/1.0 200 OK
< Content-Type: audio/mpeg
< Date: Mon, 25 Apr 2016 04:16:47 GMT
< icy-br:128
< icy-genre:Ambient Space
< icy-name:Deep Space One: Deep ambient electronic and space music. [SomaFM]
< icy-notice1:<BR>This stream requires <a href="http://www.winamp.com/">Winamp</a><BR>
< icy-notice2:SHOUTcast Distributed Network Audio Server/Linux v1.9.5<BR>
< icy-pub:0
< icy-url:http://somafm.com
< Server: Icecast 2.4.0-kh3
< Cache-Control: no-cache, no-store
< Pragma: no-cache
< 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:45000
<