[ID3 Dev] id3v2.4 & frame sizes?

[Jonathan del Strother]

I'm seeing a couple of MP3s that don't have synch-safe frame sizes,  
and wanted to check that I'm reading the specification right.  For  
v2.4, all frame sizes should have a 0 at the start of each byte, right?

I'm pretty sure that's correct, but I tried persuading iTunes to  
convert the tag to 2.3 and then back to 2.4, and the frame size  
remains non-synch-safe - I'm a little surprised that iTunes doesn't  
fix it.


Any idea how common a problem this is?  I'm tempted to read the size  
as a non-synch-safe integer, and see if that offset then lands me on  
what looks like a new frame id.  Or is that a horribly bad idea?

Thanks,
Jon
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