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Re: Stuck MIDI notes
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Re: Stuck MIDI notes


  • Subject: Re: Stuck MIDI notes
  • From: Kurt Bigler <email@hidden>
  • Date: Thu, 31 Oct 2002 13:48:01 -0800

on 10/30/02 7:12 PM, Kurt Revis <email@hidden> wrote:

> On Wednesday, October 30, 2002, at 05:03 PM, Robert Grant wrote:
>
>> So then I'm confused about why I'm losing the note offs. My code is
>> to crunch the packets is pretty straightforward:
>>
>> MIDIPacket *inPacket = (MIDIPacket *)list->packet; // remove const
>>
>> for ( j = 0; j < list->numPackets; ++j) {
>> if ((inPacket->data[0] & 0x7) == m_channel) {
>> MusicDeviceMIDIEvent(unit, inPacket->data[0],
>> inPacket->data[1], inPacket->data[2],
>> 0);
>> }
>> inPacket = MIDIPacketNext(inPacket);
>> }
>
> This really isn't enough to parse MIDI correctly.

[snip]

> You might find it educational to print out all the bytes in each packet
> as they come in, so you can see this for yourself. And read the MIDI
> spec... you'll be amazed at how weird things can get.
>
> --
> Kurt Revis
> email@hidden

You might also find it useful to look at Herbie Robinson's midi tester
application (source), available here:

http://sourceforge.net/projects/xmiditest/

The code there does midi parsing, presumably in a complete and correct way.
At least the approach used there has worked for me.

-Kurt Bigler
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References: 
 >Re: Stuck MIDI notes (From: Kurt Revis <email@hidden>)

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