Ok, thanks for the answers

Hise is a great tool to make music plugins/app, I also use Maize sampler it's simpler but limited, in Hise with a bit of coding you can do something more advanced + effect plugins and standalone app which is not possible with Maize.
However, I find having to compile my Hise application and my plugins on multiple OS's a bit annoying although I understand that for some having all these options is important.

How about a simple Hise standalone application installer for MacOS, Windows, Linux without the need to compile your own and similarly to Maize Sampler a cloud server system to compile plugins in all formats (AU, VST, AAX for Mac PC, Linux)
I think it would get more people (Software dev noob like me) to use Hise.

Thanks for reading, waiting for your advice

@Christoph-Hart @d-healey

@Christoph-Hart @d-healey What you think about ELK Audio OS to embed Hise linux plugin on the latest Pi 4 ?

@AudioHobbyist Check Maize Sampler to make simple rompler, but he has much less possibilities than Hise

Feature Request : A Drum Step Sequencer like arpeggiator module with associate sliderpack component :

Basic things :

Pattern length
Time grid (1/16, 1/32 etc.)
Magnetism on grid or free
12 or 16 tracks / sample slot
MIDI rec input from the keyboard or the drum pad
Syncronized BPM with Daw or free

For more, Hise's user can customize it :

Colors, background
Volume, pan, pitch on each sample slot
Drag user sample
Repeated note
Drum machine groove
send CV / Gate
FX send
and I must forget ...

Drums sequencer in Hise ?

@ustk Of course, it's beter to learn and do something personalized, but step sequencers often have the same characteristics, we would save time by having a c...

Forum (forum.hise.audio)

@Rudra Ghosh Wow, thanks man !

@d-healey Ok thank for taking time to find a solution. Adobe media encoder keeps the original metadata normally, but not the loop start/end too.
I 'll share the wav files with my plugin, it's too complicated to use SoX with the terminal or import/export in an DAW with the amount of samples I 've to convert.
Thanks for all things you do for Hise community, i follow you on Patreon.

@d-healey I use Adobe Media encoder.
With SoX isn't too complicated to convert hundreds of samples ?

@Christoph-Hart Ok, I'll do this. Thanks
Edit : With conversion I loose loops metadata.
To share my plugin, I 'll have to give a folder with the wav files, I can't use the HLAC monolith : (

@Christoph-Hart Isn't possible to set bit rate of sampler module to 16 bit 24000Hz with script ?
And force sampler to extract sample maps to HLAC monolith in this bitrate ?
All of my samples are in the same format, I 've hundreds of samples to convert.
Conversion will make a fake 44100 Hz.

I use old sampler/drum machine samples at 12/16bits 24000Hz,
when I export sample maps to HLAC monolith I've this error : HLAC monolith unsupported samplerate : 24000
How to resolve this ?

@ustk @d-healey Ok it's working, thanks for your help !
Solved with this code :

//Combo box
const var cmbSampleMap = Content.getComponent("cmbSampleMap");
cmbSampleMap.set("items", sampleMaps.join("\n"));


inline function oncmbSampleMapControl(component, value)
{
	Sampler1.asSampler().loadSampleMap(sampleMaps[value-1]);
	for (i = 0; i < 127; i++)

 if (Sampler1.asSampler().isNoteNumberMapped(i))
    Engine.setKeyColour(i, Colours.withAlpha(Colours.blue, 0.3));
    else
   Engine.setKeyColour(i, Colours.withAlpha(Colours.white, 0.0));

};

@ustk @d-healey Ok, I've put code in right place now, but all keys stay coloured.
How to reset the previous colour ?
Sorry I'm noob

//Combo box
const var cmbSampleMap = Content.getComponent("cmbSampleMap");
cmbSampleMap.set("items", sampleMaps.join("\n"));


inline function oncmbSampleMapControl(component, value)
{
	Sampler1.asSampler().loadSampleMap(sampleMaps[value-1]);
    if (Sampler1.asSampler().isNoteNumberMapped(i))
    Engine.setKeyColour(i, Colours.withAlpha(Colours.blue, 0.3));

};


Content.getComponent("cmbSampleMap").setControlCallback(oncmbSampleMapControl);

@d-healey That's what I did ?! Maybe in the wrong place?
Look code sample

//Combo box
const var cmbSampleMap = Content.getComponent("cmbSampleMap");
cmbSampleMap.set("items", sampleMaps.join("\n"));


inline function oncmbSampleMapControl(component, value)
{
	Sampler1.asSampler().loadSampleMap(sampleMaps[value-1]);
};
//->
reg i;

for (i = 0; i < 127; i++)
{
    if (Sampler1.asSampler().isNoteNumberMapped(i))
        Engine.setKeyColour(i, Colours.withAlpha(Colours.blue, 0.3));
}
Content.getComponent("cmbSampleMap").setControlCallback(oncmbSampleMapControl);

@d-healey Trying this doesn't work, now all sample maps color keys at same time, no matter I change sample map

//Combo box
const var cmbSampleMap = Content.getComponent("cmbSampleMap");
cmbSampleMap.set("items", sampleMaps.join("\n"));


inline function oncmbSampleMapControl(component, value)
{
	Sampler1.asSampler().loadSampleMap(sampleMaps[value-1]);
};
reg i;

for (i = 0; i < 127; i++)
{
    if (Sampler1.asSampler().isNoteNumberMapped(i))
        Engine.setKeyColour(i, Colours.withAlpha(Colours.blue, 0.3));
}
Content.getComponent("cmbSampleMap").setControlCallback(oncmbSampleMapControl);

@d-healey I’ve to set the range with knob or it’s just for saving preset ?
Its possible to make it automatic ?
I already have the code to save a preset. For now just the first samplemaps color the keys, when I change samplemap/preset, keyboard stay coloured like samplemap1, it dosent match with samplemap2.

@ustk Key color code is working, but I use 1 sampler with 2 sample maps, I would like color each sample maps on the same sampler when I switch sample maps

@d-healey @ustk On Sampler1 I have 2 sample maps loaded and I switch with presets/combo box.
How to color keys only for samplemap1 and match coloured keys on samplemaps2 when I switch presets ?
Actualy all keys from all sample maps are coloured no matter different sample maps mapping.
They are layered.

Full code :

Content.makeFrontInterface(1200, 370);

const var Panel1 = Content.getComponent("Panel1");
const var Panel2 = Content.getComponent("Panel2");
const var Button1 = Content.getComponent("Button1");

//Tab button callback function
inline function onButton1Control(component, value)

{
    if (value == 1) 
	    Panel2.showControl(true);
	    else
	    Panel2.showControl(false);
	};

Content.getComponent("Button1").setControlCallback(onButton1Control);

//Presets ComboBox Function
//Sampler
const var Sampler1 = Synth.getChildSynth("Sampler1");

//Sample maps array
const var sampleMaps = Sampler.getSampleMapList();

//Combo box
const var cmbSampleMap = Content.getComponent("cmbSampleMap");
cmbSampleMap.set("items", sampleMaps.join("\n"));


inline function oncmbSampleMapControl(component, value)
{
	Sampler1.asSampler().loadSampleMap(sampleMaps[value-1]);
};

Content.getComponent("cmbSampleMap").setControlCallback(oncmbSampleMapControl);

//Coloured Keys
//const var Sampler1 = Synth.getChildSynth("Sampler1");//(Repetiton)

reg i;

for (i = 0; i < 127; i++)
{
    if (Sampler1.asSampler().isNoteNumberMapped(i))
        Engine.setKeyColour(i, Colours.withAlpha(Colours.blue, 0.3));
}

@d-healey I've many sample maps on one sampler and all keys are coloured at the same time, have an idea to do with sample map ?

//I've try replace 
const var Sampler1 = Synth.getChildSynth("Sampler1");

reg i;

for (i = 0; i < 127; i++)
{
    if (Sampler1.asSampler().isNoteNumberMapped(i))
        Engine.setKeyColour(i, Colours.withAlpha(Colours.blue, 0.3));
}
//by
const var Sampler1 = Synth.getChildSynth("Sampler1");
const var sampleMaps = Sampler.getSampleMapList();

reg i;

for (i = 0; i < 127; i++)
{
if (Sampler.getSampleMapList().isNoteNumberMapped(i))
        Engine.setKeyColour(i, Colours.withAlpha(Colours.blue, 0.3));
}

Not working