Metadata missing letters about freestreamer

[Leandros]

You got any stream for testing purposes?

[muhku]

Yep, currently non-ASCII data is ignored by the ICY metadata parser, see: https://github.com/muhku/FreeStreamer/blob/master/astreamer/http_stream.cpp#L410

[karma88]

How can i activating this for support it ..?

[muhku]

@karma88: You could try removing the following lines from the code, which filter out the non-ASCII characters. So beginning from line 426, https://github.com/muhku/FreeStreamer/blob/master/astreamer/http_stream.cpp#L426

Remove this block:

if (c < 32 || c > 126) {
    continue;
}

[karma88]

when i remove this block the text label leave blank...

[muhku]

Right, then there are probably some bytes, which break the string encoding. Any zero bytes will truncate the string at least. To debug this further, put a breakpoint to the previously mentioned point and output the metadata bytes.

[muhku]

I got the issue reproduced with the following stream: http://www.voice.fi/nettiradio/voice.m3u

Ü,Ä Ö etc. are missing. Removing the ASCII filtering breaks the string encoding so a bit more effort would be needed to handle this correctly.

[Leandros]

I'am on it.

[Leandros]

See #18

[muhku]

Closing this due to @Leandros' pull request #18 merged to master.

@karma88: Please make sure your tree of FreeStreamer has the commit 0061300

[muhku]

One more commit needed for the encoding to work: 20bf211

Please notice that the metadata encoding is not probed, so we assume now that the metadata is always encoded in UTF8. See: https://github.com/muhku/FreeStreamer/blob/master/astreamer/http_stream.cpp#L406 This is not ideal but seems to work well enough in practice.

Note that from now on, I would prefer to use CFString instead of std::string (though no hurry for any quick changes).

[Leandros]

It does work perfectly with wide string.
Though, as I said in the request, it isn't the most elegant solution.

However, any non UTF-8 string will return NULL. Checking for that could be a good idea.

[muhku]

@Leandros This is what I got with std::wstring and UTF8 encoded metadata: https://dl.dropboxusercontent.com/u/995250/Screen%20Shot%202013-12-10%20at%2010.18.24.png

This is how it looks like after doing the encoding with CFStringCreateWithBytes(): https://dl.dropboxusercontent.com/u/995250/Screen%20Shot%202013-12-10%20at%2013.43.00.png

So for some reason CFStringCreateWithBytes() resulted the correct encoding with the stream I was testing with.

I have some ideas for probing the metadata encoding so let's see if that is needed at some point. Feel free to share if you have some ideas related to that. :-)