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Groups > comp.lang.javascript > #36323

Re: Play "subset of recorded notes during record".

Newsgroups comp.lang.javascript
Date 2019-04-06 05:38 -0700
References <25b44a76-4d39-45cc-9063-a23c064f1187@googlegroups.com> <369c0322-e463-41ac-b36d-1d984c3c0326@googlegroups.com> <0cdac358-e23d-4cad-9330-40601cfff5db@googlegroups.com>
Message-ID <9908dcc8-19ac-4609-b357-dc55e13f844a@googlegroups.com> (permalink)
Subject Re: Play "subset of recorded notes during record".
From Jonas Thörnvall <jonas.thornvall@gmail.com>

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Den lördag 6 april 2019 kl. 14:31:00 UTC+2 skrev Jonas Thörnvall:
> Den lördag 6 april 2019 kl. 14:24:00 UTC+2 skrev Jonas Thörnvall:
> > Den lördag 6 april 2019 kl. 13:33:58 UTC+2 skrev Jonas Thörnvall:
> > > function PlaylistGen() {
> > >  if (mode=="Play"){
> > >   waitEv = new Array();
> > >   for (var i = 0; i < track[0].midiMess.length; i++) {
> > >     //Generate waitlist used in play
> > >     if (i > 0) {
> > >       waitEv[i] = track[0].midiMess[i].time - track[0].midiMess[i - 1].time;
> > >     } else {
> > >       waitEv[0] = track[0].midiMess[i].time
> > >     }
> > >   }
> > >  } else is (mode=="Record"){
> > > //////////////////////
> > > }
> > > }
> > > 
> > > midiMess.time is the "recorded" time for an event **to be played**. Using a startpoint we can find an offset, to next event "note" to be played.
> > > 
> > > In mode play all recorded notes are played and that is no problem.
> > > I have all recorded notes from all tracks downmixed on a single track to be played. 
> > > 
> > > But during recording of a time range "in bars", i need to set same boundary for ***playup*** as for recording to be able to play to what is already recorded.
> > > 
> > > So find "what subset of notes to playup" and what time to start play first note, depends upon "start bar-end bar" recording. 
> > > 
> > > Start bar, is time zero for the played up notes. So i need to find the notes in range between start and end and get the first notes waitEv to have synced playup with the bars i will record....
> > > 
> > > That will be hard especially after some Campari. 
> > > 
> > > If RS is startrec offset and RE stoprec offset is end and clock is
> > > clock = clock + rs; This TIME will be reocrded for message
> > > 
> > > How do i select subset for playup  and how do i set the conditions for notes to playup, and set the first waitEv[].
> > > 
> > > Of you go and find the conditon for else is (mode==record)....
> > > Yeah this will be awkward...
> > > 
> > > I think it is a bit beyond your logical capabilities ;)
> > 
> > Seem like a good start
> > 
> > }  else if (mode=="Record"){ 
> >        if (track[0].midiMess[i].time>rs && track[0].midiMess[i].time<re) {}
> > }
> 
> Have not tested but this is what my brain told me.
> 
> function PlaylistGen() {
>  if (mode=="Play"){
>   var k=0;
>   waitEv = new Array();
>   for (var i = 0; i < track[0].midiMess.length; i++) {
>     //Generate waitlist used in play
>     if (i > 0) {
>       waitEv[i] = track[0].midiMess[i].time - track[0].midiMess[i - 1].time;
>     } else {
>       waitEv[0] = track[0].midiMess[i].time;
>     }
>   }
>  }  else if (mode=="Record"){ 
>        if (track[0].midiMess[i].time>rs && track[0].midiMess[i].time<re) {
>         if (k > 0) {
>         waitEv[k] = track[0].midiMess[i].time - track[0].midiMess[i - 1].time;
>         } else {
>           waitEv[0] = track[0].midiMess[i].time;
>        }
>        k++;
>    }
> } 
> }

Turned out to be correct.

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Thread

Play "subset of recorded notes during record". Jonas Thörnvall <jonas.thornvall@gmail.com> - 2019-04-06 04:33 -0700
  Re: Play "subset of recorded notes during record". Jonas Thörnvall <jonas.thornvall@gmail.com> - 2019-04-06 05:23 -0700
    Re: Play "subset of recorded notes during record". Jonas Thörnvall <jonas.thornvall@gmail.com> - 2019-04-06 05:30 -0700
      Re: Play "subset of recorded notes during record". Jonas Thörnvall <jonas.thornvall@gmail.com> - 2019-04-06 05:38 -0700

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