Re: Sysex problems! POSSIBLE COREMIDI BUG
Re: Sysex problems! POSSIBLE COREMIDI BUG
- Subject: Re: Sysex problems! POSSIBLE COREMIDI BUG
- From: Kurt Revis <email@hidden>
- Date: Thu, 3 Jul 2003 10:35:13 -0700
On Thursday, July 3, 2003, at 06:09 AM, Peter Karlsson wrote:
It seems to be a bug in CoreMIDI!
It could also be a bug in the driver for your MIDI interface. What
interface are you using?
Or, as Chris Reed said, you could have an error in your MIDIReadProc.
Can you show us what yours is doing?
I can't receive 2 sysex dumps after each other without getting 10
garbage bytes between the 2 dumps. But if I receive for example a
program change after the first sysex dump I can receive a sysex dump
in a correct way. Can someone at Apple or other user on this list
confirm this?
I haven't seen this happen. Can you show us the exact sequence of
packet lists that your MIDIReadProc receives? (All of the data in all
of the packets in the packet list.)
Also, do the 10 garbage bytes show up in other apps? For example, take
the project in /Developer/Examples/CoreAudio/MIDI/SampleTools. In
Echo.cpp there are some commented-out lines to print the contents of
the MIDIPackets as they come in -- try uncommenting them and see what
the data looks like.
Also, what are the contents of the "garbage"? Is it always the same or
nearly the same, or different every time?
--
Kurt Revis
email@hidden
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