Load/Save Table(envelope) shapes

DanH

@ustk Can't see how to 'save' a file from that link.. do you know how? Do I need to wrap it in a callback function from a button?

Casey Kolb

Did you load the snippet from that post into HISE? There's everything in there that you'd need to make what you're describing. You just need to export the table as base64 and save that string to a file. When you load the file, you restore the table from the base64 string like @ustk said.

DanH

@Lunacy-Audio I took a look at it the other day, thanks for posting it up :)

I'm a bit at a loss trying to work these base64 API's but will take another look at that snippet and see if any clues are inside!

Casey Kolb

The table's are definitely confusing! Took me a while to get a hang of them.

This is where you'll need to start:

// retrieve table processor from backend synth
var tableProcessor = Synth.getTableProcessor("Velocity Modulator1");

// export backend table as base 64 - this is what you save in the preset file
var tableData = tableProcessor.exportAsBase64(0);

// restore backend table from base 64
tableProcessor.restoreFromBase64(0, tableData);

DanH

@Lunacy-Audio Aaaaaahhh... ok that makes more sense! Brilliant, thanks mate :)

Casey Kolb

Also note: You never actually need to do anything with the visible table in the UI. It should just be linked to the backend table and you do all of the processing on the backend table.

DanH

@Lunacy-Audio How do you mean? The UI table is just a dummy? In this case my visible table in the UI is a global LFO. So I need to create a new table to replace this one, and link it to the Global LFO?

Casey Kolb

I just mean in the code you only do work on the backend table. The user uses the front end table as usual, but it's linked to the backend table. You just need to set the processorId on the front end table component.

DanH

@Lunacy-Audio Oh right haha, all good :) Thank you

DanH

@Lunacy-Audio Ok I'm officially lost :smiling_face_with_open_mouth_closed_eyes:

I can't find a way to save the Base64 string as a preset / file of any sort.

I did manage to restore a default Table shape using a simple button callback and the restoreFromBase64 API.

Casey Kolb

It's just a few lines. This is all in that snippet I posted. You just need to save the base64 string instead of the other two knobs I save in the example.

var tableProcessor = Synth.getTableProcessor("Velocity Modulator1");
var tableData = tableProcessor.exportAsBase64(0);
var userPresetFolder = FileSystem.getFolder(FileSystem.UserPresets);
var presetFile = userPresetFolder.getChildFile("MyCoolTableData.preset");
presetFile.writeObject(tableData);

DanH

@Lunacy-Audio Thanks mate. So I've given this a go but so far its kinda half way there. I can get the Table shape into a preset file, and load it back in, but there's a few issues - firstly; all my Presets' table shapes change to whatever I just saved, and then saving/loading a new file doesn't change the shape. I've tried to merge it with your mini preset menu snippet in case you can see where I'm going wrong!

Thanks in advance for any help with this :)

HiseSnippet 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7XufwvVUXoYNrGh0TzA8I2LAkHykKrWKfu57fvX3r47C7bjpvoTYxhupkPXOaScwy.fEuRDM9HvAE3we3Ql0wNvgi4hE3NviwAITzD1rFzU.D5XaaU9cw3hg5qgCSvR1fHGarE+btVjjz7Zp34qKOStSGVUHnlH1tD.1kGcU5xzH5cxUq1MDuo4gCG97hmG.6h0diUce2uq7BuyFq7BVeuJ2wmzB2w2Aga1UDyAa4soKJ.k8M+kh+S+o+c6rjKEur6qJe5N0tYsasI2O9aKW48aSPt+Zs4tq+JxsxWrvEv9nEk6koYyub22T7xc+DongwzmnNA5qwlwQ96HW8kXYU2pOzXdn+qOcAnu+lAcQCzO6m829KVho3ryR9lEsaPG+ajdW7Y.7fhK69M32t6Ck1rGKvskye+fDE7SDEbqJB9W+oupBdNFukLrXUu+5JOagMC54OGf7W8lUZ291F92VtXAe4EgEiYTWt7czVD+RRurOdr48S9O9O+lk8Pu9m9m+ue5pBPr7PIys8u9F9PY4BxA9BFhoSqFy6unpf70tKZHDzPh39i9n+8vkHhdd+7uYQw47y+GVHL9q+R77gELMABRzu3pWrD0YikHU0+kkIQGd3e8RhDzq2OeTobRhhwPrRAjk1j31uECIK9DMejff9a9IuROQSAAMGm+wBqWB8UbSwbR4Sl6E8fMu8K7IwuxcPqEZERlbsuWMI1SjTt1+Cwks78TvDVlWSl7YGHIs32xwaIamLj7dDN+mYB4aqoX.H7wbeOGjuYiIowYWK9s27cx2dxlB22V1MNavYKGu2XI3EBN7cMdK9RdtiLZznnAYbvdK4lG+c+msiHTtcNT9ijaMN4z9i4JPvKBPUT9muyeRwvJrwUXDr6Z9tq9ka52c0zM96tp1M2XMxKw2Y0s9s5uypM0W+cWvLk9s5tyWBEp3WF1alCYYRbFJNKh37BgVyYQ+3KilLXtcmDmDStO1A+MGzEh2NJY1EEuMOET9GdfUzS.cfHCChf.k9WOYfXm9WjjjQ9bIl2068NvJIYJZBID7PQ5cOqeJ4EWiVcDGW5WllkbQIV9cl2SJ+rnozWTpZel7iez17wIz+P72NsWHj5M2Lmrk3XciMdu.3iovbqHaI9s7LU4Hl4y+6.Hds4Vu4++L2pWBTu5jmX2OaVLT2lrykW3CIuFDAHYBb5HxKcJbFJxTos2gzlnY7ilLj134veECtKocshA2sbv+OYMtn+fYI+vxudTvvcaZOfbOg9IOukrMosB68DUVdms2Q5BH03Obv.h59OEzOKeN68JLmG9JLmG8JLm2+UXNO9UXNevqvb9v0NGRUIpWB4fx2JBc3hxirWikEq1Mk9eAG54Re

Casey Kolb

@DanH You forgot to put data in front of tableData in line 78. Remember that data is the object you're loading from the preset, so you need to refer to that when restoring the values.

Should read:

tableProcessor.restoreFromBase64(0, data.tableData);

DanH

@Lunacy-Audio Amazing thank you!! Is it possible to save these presets to a different folder and as a different type of file than .preset? For example save a .lfo into a folder called 'LFO'? When I change the path and extensions I get errors....

Casey Kolb

@DanH Yup, you should just need to change a few lines.
Note: This might not work unless the subfolder "LFO" already exists, so you'll need to set that up with the installer.

Line 85
return FileSystem.getFolder(FileSystem.UserPresets).getChildFile("LFO");

Change all instances of .preset to .lfo.

This works fine here:

HiseSnippet 2740.3oc4Z07aabbEeVIsFhLVt1NFEEEs.KzIpZUFRaY6JajZZIaYqX8Aiorh+ntwK2cn3FsbGlcVJYFCgZfdnWBPQ.5odp.EnEAnnH+ITf1domJPOzK8P9SH28A027wt6rePpUBwEInDvFZm4Mu42u26Mu4MytM8IVXJk3izJs0v9Xj1o0aMzKn6xcMc7Pqdaj1z5M8wTb.Zog8MoTrMRSax6x5UqzTH9uu5lKY5Z5YgiaBg1l3XgWyomSPbqMabeGW2ULswa4zSQ5EZrpEwaYhKY.fjI0qg5aZsq4N3MLYhMgNR6T2w1If32JvL.SQZSsDwdXqtj88DxusC0osKl8PcTKPQhlWg3ZyPLqUzxccbsaFxXJBoo2Ll+SJ3+EzW2w1Ip8X6vY4cXDOBU6g1DiCd0UgWshCOME3Mk.dmSukkuS+f3dXX6szW0K.62wDbApvRHKZB5Y0Wl.R3ETsm4t3U7gGhFQkqVq17FWoVs4twLkmo767NFLY8ItTi.hQarA0bOrsgimQedfvLkAeEMvXOSeiVtNV6B+mM123cMBmicvAKS50m3AOTYVEYlkMEwidIr4f.mNCbWZPP.wajZHkbozRfIXYirGfR3AvLUrUhdpL6ZqrY87F7sMCLgwkTQUwunOwO3VzkLo3qtPkXyyswcb7vTCSWWCqPSkomsgEzRaHvkZzA.hvZYz1mrOE6OSYOHVlBw0XCwBpkDcX7xYJa.+hwjn60bfGGkEIVDNeXiOtopTlrbbsrDQUHdw8K6KbfomdVXqPXd34XbroDLBJo6He.kVpiBVPTnP7QCnHQhgRTSi.DQ8W3oey9ANPyE.ERIi.SdZaKm.WbAzEWtbzjnWVdxsHLoOhPlXAmcbLcycGKj1b2DF3M2czF2M2Uwvl2TsLaiC2wNcBQRLkhlF8zJ5OWeZeR+AtPZ53EDURJ.rDuoTFZ3p38bv6yRGXzdnQGbfUWGuc3I.53.tO9RaVFxftXiGBKpkAp1N9XKXaggBE634BINL5LvyhEXjKRBSGv94RfLJRDrAeJdWo+9dP5FWXgEGJwdVJvjnQmLgPkYcBv8nyNup9p9QDGuJy9yfTpxAdfpgHMdyIIREqPW07fG0c.NGBvmX.5Qhxbwg3Ytpz9tNABPbibodFV6RLskYN.qeEthdJe1eVnmj8KN3XaVezJB0EJxA2X7bcD4mFOic5XTQ1ZRLSSosJEFFoyPMd.jI6CelCGpP9iwLGs7svzVo07hgiblwYhDgCA3WDm1NYLbjMLhab+drRm2Xmz954Rqpj6DvkpRGSWJdLBZ00zaGrckzhLlTHJKhJh8MQdph5YGCAFC3GObxZ.Umaebv.euz91Dk1cc0hAYtTABma9TiIcwbWOcYfiYrQUqAi5npVK1aTfLaYRUXCSRRquB4hL+LoppzipmHMqRNnT8pNvTDCblvNHrZ16Exs4M35HxZDl6t7AxJTgQuGfGZDAEUjxxax22BpUEVKw9SYFV1tXfLvbv2BiuoFcHERrlstU4pwPiSNARIyykSbDa4aKt5YNaofJMFuEJcNd8.riFwWyypge1j6UUtTZHjcWQiWVtTI0TQr8iTlPnfdt9oUx.+4Ml8GU0sCA14Lvmk7LklB2X9oOi0CyLWga9hNuDcNn8Rp651e.sKWnpAjVA9fenRcd9JPN3eRijxH.MeP4r7L09fwCHKeYBbLnrR95KZLaZ5m.fLc7zZOiuo7sna19ifJdXkgjKhGSFb4Jt7wcFHlLpHG3xAZrNptuOTlfDc1h0L4hvXUcmW.40oYrpRxeBPTUGJuuQZbxTh.eByNSLAkZ4.k8S1f.LzqxbkgQU9fxFo6pSmb6Sl3yko5b5lcSM9iafU7FzqM1ObKqPAQZSk7NQzG8chndkMVhiAnHHwaUOGnbFr2ntoDj7rCHP.Ipf+JfeiImQdiIhLzHGaj1L5J4rQbXKuKpFk+2+qahFkJD4p4p3b5oxfmPMheQpYJgZlQpF90Rv0xz57+td1AyBQQZ+A85WpV0j+1aSq09fkVbuNU+3qsL+4G48jmr3ZCWan5y6cOydWU7bW5h0W7Que8MjOuvZO4RK9nq8fKIk+tC28dW7xc8sth34Z62d0Kpz+82vY6KBpafb7v+04hLnrnySbWduMQnGtJaaH1MVIcDfyoO1Ovg420tMdOGKr39qJoeaLc2.Rej1DQmxCoUNoEpooG1kag9N5ItrDzKhLR+E+FCUsX66XGzUs2tXmc5Fe4iM9EMZuS3ULV5TGd3g7lYkclsU1QJhakRGrexVuDqYnkeIqYMcElTJISVyrsjIeWISLBu2G9I5UHDZQEBY7xFIITCRZBgVuQeSeXRUl8zlKF6XWcYxoF0A7Rsb9jD2.KJq6Hm39yqm9XQpLXUUWxiZHl8Y3CwPJsCccROXRL8AQ0lHIIQOtAaGhUkmyjcElGIESaU9oIXRoQxjSqGWqrBGdt0H3.6tUjRmAzYwvwlFpf9sDf97RPis2Vd6CRfGeriQY7e9ySE976bRCxuz+3CxATLeVAGm5ZIaa6CCWePY.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.KBk80ZeV80I1rqTM4abm8YFH6.Rij3Uayd80dTmfgpeFBuQdM7EEtmSuoSfU27w6D4fWHIwaZ7J+nFlQ+Nc5fsBhA6T5q7n27eACpPYZAT99520kz1zM1.BQS.pvhujgenrain9MhDn9X9DT9mE8SPoeg+DTzlrvVjiwmbxTei9SNonw5ucF2D83u5bxhg3i3Ci4LBXpyxsvwlLKyQBmU7we7.rmUhUjr.iUiiqZ7qa7APt1ND+dx6uPJ42qwZ3c.dqpvsvPRxVC8rTarUOBIf81hSFtcgFqQH8uiGK8qsp7M6ZRYWUGuxnXbs7.Z.oWHV9VyMC0J.2me0PZOU+pKTMtel7WdyuddFcLBrpO9.qIJb7ODiYDEVwVF7M7cmDHNJl+aAHdr6mN4+ete5CHPspd6rtYfuCTyl9FC50B1vxBCHwCNYD6Z1gyOwFJ+4ZrmYVlVXOa9CGB+jcVm8rlry5gc9+j4nmokO4CC+34.G2z7V.d6w+hOKouN6YinaFWWuV0Zndv1genkEyb+iA6S9i4Rmfwb4SvXV3DLlqbBFyUOAi4Zmfw7SF6XXUhbqAvdPhkhPCMuiHytVztXZSh9u.HM5g6A

DanH

@Lunacy-Audio said in Load/Save Table(envelope) shapes:

Thank you :) So this is all working nicely in the snippet. However..... In my project, the LFO shape that I load into the table now overrides the shapes that I had previously saved in my presets.

Just to be clear, because this might get confusing, my 'presets' are all the presets I've made to save settings across the entire instrument, and were made before I started implementing this table shape menu system, including saving the shape of the table in question! So now, rather than loading up the shape I had saved in my presets, it loads up whatever the last shape was in the table.

Let me know if that doesn't make sense!

DanH

@DanH Ah, think I found it, had to switch off 'Save In Preset' on all the new buttons and viewport. Fingers crossed!

Casey Kolb

Yup that's why. If Save In Preset is on, it'll always restore the last value when you recompile.

DanH

@Lunacy-Audio Thanks loads for your help!

DanH

@DanH Ok last question before christmas! If I want this to apply to a SliderPack rather than a Table, what should I be scripting in its place? As in instead of tableData....

Load/Save Table(envelope) shapes

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