[SOLVED] mp3 tags ( raw file read )

[argumentum]

..so I upgraded to Win10 and a script I use to rename mp3's didn't work. Looked around, and  looked around, so I said f** it. So I open the file and see a bunch of null terminated data, so I made an array and got what I wanted.

Func mp3RawRead_Comment($f)
    If Not FileGetSize($f) Then Return ""
    Local $a, $s, $h = FileOpen($f, 16)
    Local $b = FileRead($h, 4096)
    FileClose($h)
    $s = BinaryToString($b)
    $a = StringSplit($s, Chr(0))
    If UBound($a) < 73 Then Return ""
    Return $a[71]

    _ArrayDisplay($a)
EndFunc   ;==>mp3RawRead_Comment

So what is my burning question ?, ...I can't find a "proper" definition that explains why / how / ??, that is there. All I find, is just not congruent to what I see in the file.

So no hurry, no big need. Just curious. If you know, let me know 

Edited July 19, 2018 by argumentum

[FrancescoDiMuro]

Hey @argumentum

When you say "rename", you mean the name of the file ( that you can manage even with FileMove() or FileCopy() ), isn't it?

 

Best Regards.

[careca]

Nop, i think he means the id3 tag

[argumentum]

5 minutes ago, FrancescoDiMuro said:

you say "rename", you mean the name of the file

 

4 minutes ago, careca said:

Nop, i think he means the id3 tag

Yep, get the tag data.

If you read the code snippet, you'll see that is the data.

[argumentum]

...there should be a list of "entry order", where it tells what data goes in what order on the mp3 header. ( other than the XML part )

Edited July 18, 2018 by argumentum

[careca]

I did an mp3 picture extractor, maybe i can tweak it to read the tags too, but it's tricky, there are a couple of versions of those tags.

[argumentum]

Just now, careca said:

there are a couple of versions of those tags

3 I believe 

[argumentum]

2 minutes ago, careca said:

maybe i can tweak it to read the tags too

the snippet shows I've got the data. What I don't know is the field name  =/

[careca]

I think one option would be to get an mp3 tag editor like mp3tag, and change any mp3 file, with it, changing each field to an unique string, so that you can later identify in the file. Let's say the title could be renamed to titlemp3 the artist to artistmp3 you get the idea. Then you open the file and there you go, everything identified.

[Danyfirex]

Hello. Maybe this UDF helps.

https://www.autoitscript.com/forum/topic/43950-id3-udf-id3v1-id3v2-mp3-tags/

 

Saludos