Is there any way to get data removed metadata(for example, ID3) from mp3 file with Objective-C, C++, or C?
there are similar function in PHP.
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Is there any way to get data removed metadata(for example, ID3) from mp3 file with Objective-C, C++, or C?
there are similar function in PHP.
Unfortunately not. Use a library (For ID3, there are library implementations listed on ID3.org).
If for some reason you cannot use a library, removing a single ID3 tag from a file is quite a trivial process (search for the characters ‘ID3’ and then look at the header to get the tag size in bytes (details of the header found here). The tag will be contiguous so you can just remove it using a file descriptor.