From taglib-devel  Mon Sep 16 13:58:13 2013
From: Scott Wheeler <wheeler () kde ! org>
Date: Mon, 16 Sep 2013 13:58:13 +0000
To: taglib-devel
Subject: Re: PRIV ID3V2Tag and length
Message-Id: <73ADCD73-1785-4040-B620-742C127C85C1 () kde ! org>
X-MARC-Message: https://marc.info/?l=taglib-devel&m=137933991709494

Hi Avi -

On Sep 16, 2013, at 1:07 PM, Avi Treistman <avi@treistman.com> wrote:

> For example , on a payload of 1300 bytes, I am receiving a frame length of  2593

I think there must be something else going on in your code that's causing the problem.  This snippet:

https://gist.github.com/scotchi/6580980

Produces the (expected) output of:

=== test.mp3 ===
PRIV Frame Size: 19

Are you perhaps referring to the total tag size and not the frame size?  TagLib's ID3v2 implementation pads the end of tags so that small changes don't require rewriting the whole file.  Almost all ID3v2 implementations do that.

-Scott
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