how to create a new midi-clip via M4L API ???

[loso]

Hej Guys

I've got one quick question...
How do I create a new midi clip into an empty clipslot via M4L API?
It must be possible in a way, because the cliip module in liine's griid for iPad does this job.

thanx in advance

Lukas

[olivierseb]

Hej Guys

I've got one quick question...
How do I create a new midi clip into an empty clipslot via M4L API?
It must be possible in a way, because the cliip module in liine's griid for iPad does this job.

thanx in advance

Lukas

Hi Lukas,

AFAIK the API doesn't give us this "power"

really ? griid does this ?

well, until now we couldn't create nor delete a clip unless we hack the keyboard strokes (delete) at the condition you move the focus to the right clip slot.
Maybe griid does this the same way: simulate a double click.

just my 2 cents

olivier

[11olsen]

someone with griid running could check what's happening. monitor the griid application/griid control script communication and at least find out if the script is capable of creating/deleting clips. i don't think so, i think it's really done with keypress simulations like said above.

[madlab]

I think I remember a M4L device on maxforlive.com called 'anomaly performance' (or something of the kind) which held this function... But maybe my memory is wrong.

[11olsen]

yep, a good example on how to do it with keypresses. it's actually easy with java but requires users
to have java installed. MXJ can't be freezed into m4l device. and is maybe not completely cross-platform
compatible. and it needs the live window to be active or the keypresses end up somewhere else..

[toscanini]

Hej Guys

I've got one quick question...
How do I create a new midi clip into an empty clipslot via M4L API?
It must be possible in a way, because the cliip module in liine's griid for iPad does this job.

thanx in advance

Lukas

I am missing something or this is actually possible (and simple)
Arm the midi track
Call fire on one of the clip_slots
Call fire again to define the length (probably for a newly recorded clip there is no other way than use multiples of global quantize)
Select_all_notes, replace_selected_notes to populate the clip.

[broc]

toscanini, the method of 'clip creation by recording' works well in practice and can easily be automated.
For example, this patch creates an empty clip of specified length anywhere in the live set (with global quantize 1 bar).

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</code></pre>

[madlab]

@ Broc: I can confirm that works fine, but why is it necessary to wait for a bar before the recording starts ? I thought that should have something to do with the precount but it doesn't seem to be the case (edit : oops, guess that's because of the argument of the timepoint for 'call fire'. If I get it, your patch works only when you start the transport, then it's not possible to add more clips because of the timepoint object. So, to get it work for some supplementary clip creations, we should get the transport position at the timepoint of the new 'call fire', then send it to the new 'call stop' ?

[broc]

@ Broc: I can confirm that works fine, but why is it necessary to wait for a bar before the recording starts ? I thought that should have something to do with the precount but it doesn't seem to be the case (edit : oops, guess that's because of the argument of the timepoint for 'call fire'. If I get it, your patch works only when you start the transport, then it's not possible to add more clips because of the timepoint object. So, to get it work for some supplementary clip creations, we should get the transport position at the timepoint of the new 'call fire', then send it to the new 'call stop' ?

Yes, here is an extended version to create new clips at any time (bar) while playing.

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</code></pre>

[madlab]

smart way of doing it. I had a look at the LOM and I didn't find any way to observe the position of the transport, just observe the status and toggle...

[broc]

The transport position can be observed with property 'current_song_time'.

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