Maxime Chevalier-Boisvert wrote:
> This is what I get for a single key press if I log each byte I read:
>
> 90
> 4B
> 80
> 00
>
> As you can see, there's a key on, and then a second byte (which seems to
> be the velocity), but no byte to indicate which key is being pressed!
>
> I'm reading the data byte per byte, from a blocking port:
>
> byte byteVal;
>
> int err;
>
> if ((err = snd_rawmidi_read(m_inHandle, &byteVal, sizeof(byteVal))) < 0)
> {
> std::cout << "Can't read MIDI input: " << snd_strerror(err) << std::endl;
> throw BadInput();
> }
>
> std::cout << charToHex(byteVal) << std::endl;
Your program behaves as if it reads two bytes in each call.
Please print out the value of "err" when it succeeds.
How exactly have you defined "byte"?
How does the loop look like?
Regards,
Clemens
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