I put this on Squeaksource a few years ago also.
The comment gives example of use.

MCHttpRepository
    location: 'http://www.squeaksource.com/MIDIFileWriter'
    user: ''
    password: ''

Best,

Karl


On Sun, Aug 28, 2022 at 6:17 PM karl ramberg <karlramberg at gmail.com> wrote:

>
>
> On Sun, Aug 28, 2022 at 4:42 PM Thiede, Christoph <
> Christoph.Thiede at student.hpi.uni-potsdam.de> wrote:
>
>> Hi all,
>>
>>
>> I have been playing around a bit with midi support and was pretty
>> delighted that you can actually synthesize inputs from a midi keyboard
>> using MidiInputMorph! Out of curiosity, here are a few short questions:
>>
>>
>>
>>    1. As far as I could find out, there is currently no support for
>>    recording midi in the Trunk, is it? There are MIDISynth and MidiInputMorph,
>>    but there seems not to exist any connection to the PianoKeyboardMorph or
>>    the Piano Roll yet? Imagine you could press Record in a score player and
>>    add another track by playing it on your physical midi keyboard ...
>>    2. Also, there is not yet any file-out for midi, right? This would
>>    also be cool: Store the events from an input midi port, add them as a new
>>    track to a score, and serialize the score to a .mid file later.
>>
>> There is a start for midifilewriter here:
> http://wiki.squeak.org/squeak/1406
> There could be licensing issues with it though.
>
> Best,
> Karl
>
>>
>>    1. Last but not least: Should the MIDIPlugin be fully functional on
>>    Linux? On my Ubuntu machine, I can use the output port but
>>    primitiveMidiRead always fails. On Windows, everything is fine.
>>
>>
>> Have a nice weekend!
>>
>>
>> Best,
>>
>> Christoph
>> <http://www.hpi.de/>
>>
>>
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