setMetadataCallback() not working with ICYStreamBuffered

[wiktorbpl]

Problem Description

In my project, I'm using ICYStreamBuffered (for ESP32-S3-Zero with 2MB PSRAM + PCM5102) and I want to receive ICY messages.
Unfortunately, the following code doesn't work:

ICYStreamBuffered url(WIFI_SSID, WIFI_PSK);
...
// callback for meta data
void printMetaData(MetaDataType type, const char* str, int len){
  Serial.print("==> ");
  Serial.print(toStr(type));
  Serial.print(": ");
  Serial.println(str);
}
...
bool result = url.setMetadataCallback(printMetaData);

After calling setMetadataCallback, I get: result equals false and the log message:
[W] MetaDataICY.h : 260 - callback not defined
Probably a method from the AbstractURLStream class is being called.
If I change ICYStreamBuffered to ICYStream, everything works correctly, but I don't have an additional buffer for the stream.

Is this intended behavior or a defect? ​​If intended, how should it be implemented?

Device Description

ESP32-S3-Zero with 2MB PSRAM + PCM5102

Sketch

ICYStreamBuffered url(WIFI_SSID, WIFI_PSK);
// ...
// callback for meta data
void printMetaData(MetaDataType type, const char* str, int len){
  Serial.print("==> ");
  Serial.print(toStr(type));
  Serial.print(": ");
  Serial.println(str);
}
// ...
bool result = url.setMetadataCallback(printMetaData);

Other Steps to Reproduce

No response

What is your development environment (incl. core version info)

No response

I have checked existing issues, discussions and online documentation (incl. the Wiki)

• I confirm I have checked existing issues, discussions and online documentation

[pschatzmann]

I changed the the ICYStreamBuffered from type alias to a class which delegates the setMetadataCallback() to the buffered object.
Please let me know if this is working ?

[wiktorbpl]

It's working perfectly now 👍
thank you!