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kovaxis avatar kovaxis commented on August 28, 2024

Helllo! Sorry for the late reply.

I am not familiar with the CoreMIDI framework or how are messages encoded in that context.

However, after some quick googling, I believe messages arrive as a single u32 per message, am I correct? I am basing myself off of this piece of code:

let words = Mirror(reflecting: packet.words).children
words.forEach { word in
    let uint32 = word.value as! UInt32
    guard uint32 > 0 else { return }
    midiPacket = MidiPacket(
        first: UInt8((uint32 & 0xFF000000) >> 24),
        second: UInt8((uint32 & 0x00FF0000) >> 16),
        third: UInt8((uint32 & 0x0000FF00) >> 8),
        fourth: UInt8(uint32 & 0x000000FF))        
}

In this case, CoreMIDI would basically encode a big endian 4-byte buffer in a uint32. You can parse this format using LiveEvent::parse(&int.to_be_bytes()).

Is my understanding correct?

from midly.

kovaxis avatar kovaxis commented on August 28, 2024

I'm assuming it's correct. If it turns out it isn't, please reopen this issue.

from midly.

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