On 20.08.2012 14:35, Martin Tarenskeen wrote: > Is it possible to change the max queuesize for rtmidi.MidiIn() ? > I'm trying to fetch SysEx dumps from a synth. Itw orks on my Linux box. > But on a Windows machine it only succeeds with small size dumps. Yes, there is currently a max buffer size for receiving sysex messages on Windows with the WinMM API, which is by default 1024 bytes. You can set the RT_SYSEX_BUFFER_SIZE definition in src/RtMidi.cpp to a higher value and recompile. Just remove the "build" directory and run "python setup.py install" again. See also http://www.music.mcgill.ca/~gary/rtmidi/index.html#apinotes under Windows (Multimedia Library). Chris
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