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37 Commits

Author SHA1 Message Date
Aria 34ae1bb305 Merge branch 'main' into glossing/naked-distorts 2026-01-10 20:38:34 +01:00
Aria 0cf11adc2c Allow naked distortions for the purpose of FX 2026-01-10 13:07:54 -06:00
Aria f7f8c56c0a Merge pull request 'Bake in scaling by freq for FM with a gain node' (#1878) from glossing/fm-modulation into main
Reviewed-on: https://codeberg.org/uzu/strudel/pulls/1878
2026-01-09 03:43:35 +01:00
Aria c7e88e1ff2 Merge branch 'main' into glossing/fm-modulation 2026-01-09 03:31:26 +01:00
Aria f6a43f1b10 Make the scaling by freq in FM a separate node so that modulators behave like the fm control 2026-01-08 20:28:53 -06:00
Aria a3b183d304 Merge pull request 'Bug fix: Properly handle subcontrols' (#1877) from glossing/subcontrols into main
Reviewed-on: https://codeberg.org/uzu/strudel/pulls/1877
2026-01-09 02:53:37 +01:00
Aria f7175c0505 Properly handle subcontrols 2026-01-08 19:40:50 -06:00
Aria e26040d154 Merge pull request 'Feat: Add ability to turn mini parsing off with mini-off decorator' (#1786) from glossing/disable-mini into main
Reviewed-on: https://codeberg.org/uzu/strudel/pulls/1786
2026-01-07 20:06:17 +01:00
Aria 17a1b75e5b Merge branch 'main' into glossing/disable-mini 2026-01-07 19:22:35 +01:00
Aria 7df9688bb9 Merge pull request 'Bug Fix: Update loopStart/End to not be offset' (#1826) from glossing/sample-looping-bugfix into main
Reviewed-on: https://codeberg.org/uzu/strudel/pulls/1826
2026-01-07 19:22:22 +01:00
Aria d557bb59f0 Merge branch 'main' into glossing/disable-mini 2026-01-06 21:40:05 +01:00
Aria 679e81eb0f Merge branch 'main' into glossing/sample-looping-bugfix 2026-01-06 21:39:52 +01:00
yaxu 37dd834398 Update README.md 2026-01-06 16:33:06 +01:00
yaxu 959e8ac7bc Update README.md 2026-01-06 16:31:51 +01:00
Aria 16524ca805 Merge pull request 'Update modulator docstrings and allow ids to be patterns' (#1874) from glossing/pattern-ids-for-modulators into main
Reviewed-on: https://codeberg.org/uzu/strudel/pulls/1874
2026-01-06 06:35:47 +01:00
Aria b4b0194455 Update docstrings and allow modulator ids to be patterns 2026-01-05 23:17:40 -06:00
Alex McLean fd472a64d9 Merge pull request 'Fix doc link in @strudel/osc README.md' (#1872) from forrcaho/strudel:main into main
Reviewed-on: https://codeberg.org/uzu/strudel/pulls/1872
2026-01-04 17:14:10 +01:00
Forrest Cahoon 58094973b0 Fix doc link in @strudel/osc README.md 2026-01-04 09:39:17 -06:00
Aria db49b37780 Merge pull request 'Make stretch modulatable' (#1870) from glossing/stretch-node into main
Reviewed-on: https://codeberg.org/uzu/strudel/pulls/1870
2026-01-04 02:01:05 +01:00
Aria bf243c04b9 Make stretch modulatable 2026-01-03 18:27:11 -06:00
Aria bc05cffdbc Merge pull request 'Make pan modulatable' (#1865) from glossing/pan-fx into main
Reviewed-on: https://codeberg.org/uzu/strudel/pulls/1865
2026-01-02 18:44:52 +01:00
Aria 7b1e02e8cf Make pan modulatable 2026-01-02 11:43:27 -06:00
Alex McLean 257f09da4f Merge pull request 'Fix transpilation example to have same mini-notation' (#1850) from JesCoding/strudel:jescoding-patch-1 into main
Reviewed-on: https://codeberg.org/uzu/strudel/pulls/1850
2026-01-01 21:42:19 +01:00
Alex McLean ecd58fa501 Merge pull request 'fix: missing punctuation' (#1860) from eddyflux/strudel:fix-missing-punctuation into main
Reviewed-on: https://codeberg.org/uzu/strudel/pulls/1860
2026-01-01 21:39:03 +01:00
Aria c4ece4932e Merge pull request 'Fix formatting of docstring' (#1864) from glossing/fx-docstring into main
Reviewed-on: https://codeberg.org/uzu/strudel/pulls/1864
2026-01-01 20:20:33 +01:00
Aria 5c9855bf12 Merge branch 'main' into glossing/fx-docstring 2026-01-01 20:08:54 +01:00
Aria e54b9c3a32 Fix formatting of docstring 2026-01-01 13:07:38 -06:00
Aria 6afe0dc714 Merge pull request 'Feat: FX Chains' (#1861) from glossing/multifx-new into main
Reviewed-on: https://codeberg.org/uzu/strudel/pulls/1861
2026-01-01 19:52:14 +01:00
Aria ebaf7624f9 Fix lfos for vowels, phasers; fix ir index; more informative error message 2026-01-01 12:02:54 -06:00
Aria 882bcc513f Typos and some examples 2025-12-31 15:17:06 -06:00
Aria aec33710b7 Working version 2025-12-31 14:58:31 -06:00
eddyflux d41ebf190b fix: missing punctuation 2025-12-30 00:22:51 +01:00
Aria 7953fa61e4 Merge pull request 'Bugfix: Fix modulator clamping when min/max not specified' (#1859) from glossing/clamp-bugfix into main
Reviewed-on: https://codeberg.org/uzu/strudel/pulls/1859
2025-12-29 21:59:10 +01:00
Alex McLean 1823993e7c Merge branch 'main' into jescoding-patch-1 2025-12-28 17:53:50 +01:00
JesCoding d349d2a0cd Fix transpilation example to have same mini-notation
This was introduced in https://codeberg.org/uzu/strudel/commit/66f8ca72c1b364f72f25b8cff041cac13b380432
2025-12-24 10:38:21 +01:00
Aria a79491dd16 Update loopbegin/end to not be offset 2025-12-08 16:32:54 -06:00
Aria 8529516c66 Add ability to turn mini parsing off with midi-off decorator 2025-11-25 13:05:27 -06:00
17 changed files with 683 additions and 401 deletions
+4 -1
View File
@@ -1,14 +1,17 @@
# strudel
Live coding patterns on the web
https://strudel.cc/
- Try it here: <https://strudel.cc>
- Docs: <https://strudel.cc/learn>
- Source: https://codeberg.org/uzu/strudel/
* Along with many other live coding projects, we have moved from Microsoft's Github platform to Codeberg for ethical reasons. **Please don't fork the project back to github**.
- Technical Blog Post: <https://loophole-letters.vercel.app/strudel>
- 1 Year of Strudel Blog Post: <https://loophole-letters.vercel.app/strudel1year>
- 2 Years of Strudel Blog Post: <https://strudel.cc/blog/#year-2>
## Running Locally
After cloning the project, you can run the REPL locally:
+25 -14
View File
@@ -2844,8 +2844,9 @@ registerSubControls('lfo', [
['dcoffset', 'dc'],
['shape', 'sh'],
['skew', 'sk'],
['curve'],
['curve', 'cu'],
['sync', 's'],
['fxi'],
]);
registerSubControls('env', [
['control', 'c'],
@@ -2859,6 +2860,7 @@ registerSubControls('env', [
['acurve', 'ac'],
['dcurve', 'dc'],
['rcurve', 'rc'],
['fxi'],
]);
registerSubControls('bmod', [
['bus', 'b'],
@@ -2867,9 +2869,10 @@ registerSubControls('bmod', [
['depth', 'dep', 'dr'],
['depthabs', 'da'],
['dc'],
['fxi'],
]);
Pattern.prototype.modulate = function (type, config, id) {
Pattern.prototype.modulate = function (type, config, idPat) {
config = { control: undefined, ...config };
const modulatorKeys = ['lfo', 'env', 'bmod'];
if (!modulatorKeys.includes(type)) {
@@ -2878,11 +2881,14 @@ Pattern.prototype.modulate = function (type, config, id) {
}
let output = this;
let defaultValue = undefined;
// Copy value into a temporary `v` container and attach a single `id` (to be shared across
// each config entry). At the output we destructure and throw away the id
output = output.fmap((v) => (id) => ({ v, id })).appLeft(reify(idPat));
for (const [rawKey, value] of Object.entries(config)) {
const key = getMainSubcontrolName(type, rawKey);
const valuePat = reify(value);
output = output
.fmap((v) => (c) => {
.fmap(({ v, id }) => (c) => {
if (defaultValue === undefined) {
// default control to the control set just before this in the chain
// e.g. pat.gain(0.5).lfo({..}) will be a gain-LFO
@@ -2897,17 +2903,17 @@ Pattern.prototype.modulate = function (type, config, id) {
id ??= t.__ids.size;
t[id] ??= { control: defaultValue };
t.__ids.add(id); // keeps track of insertion order
if (c === undefined) return v;
if (c === undefined) return { v, id };
if (key === 'control' || key === 'subControl') {
t[id][key] = getControlName(c);
} else {
t[id][key] = c;
}
return v;
return { v, id };
})
.appLeft(valuePat);
}
return output;
return output.fmap(({ v }) => v);
};
/**
@@ -2922,16 +2928,17 @@ Pattern.prototype.modulate = function (type, config, id) {
*
* @name lfo
* @param {Object} config LFO configuration.
* @param {string | Pattern} [config.control] Node to modulate. Aliases: t
* @param {string | Pattern} [config.subControl] Sub-control name to append to the control key. Aliases: sc, p
* @param {number | Pattern} [config.rate] Modulation rate. Aliases: rate, r
* @param {string | Pattern} [config.control] Node to modulate. Aliases: c
* @param {string | Pattern} [config.subControl] Sub-control name to append to the control key. Aliases: sc
* @param {number | Pattern} [config.rate] Modulation rate. Aliases: r
* @param {number | Pattern} [config.depth] Relative modulation depth. Aliases: dep, dr
* @param {number | Pattern} [config.depthabs] Absolute modulation depth. Aliases: da
* @param {number | Pattern} [config.dcoffset] DC offset / bias for the waveform. Aliases: dc
* @param {number | Pattern} [config.shape] Shape index. Aliases: sh
* @param {number | Pattern} [config.skew] Skew amount. Aliases: sk
* @param {number | Pattern} [config.curve] Exponential curve amount. Aliases: c
* @param {number | Pattern} [config.curve] Exponential curve amount. Aliases: cu
* @param {number | Pattern} [config.sync] Tempo-synced modulation rate. Aliases: s
* @param {number | Pattern} [config.fxi] FX index to target
* @param {string | Pattern} id ID to use for this modulator
* @returns Pattern
*
@@ -2974,8 +2981,8 @@ export const lfo = (config) => pure({}).lfo(config);
*
* @name env
* @param {Object} config Envelope configuration.
* @param {string | Pattern} [config.control] Node to modulate. Aliases: t
* @param {string | Pattern} [config.subControl] Sub-control name to append to the control key. Aliases: sc, p
* @param {string | Pattern} [config.control] Node to modulate. Aliases: c
* @param {string | Pattern} [config.subControl] Sub-control name to append to the control key. Aliases: sc
* @param {number | Pattern} [config.depth] Relative modulation depth. Aliases: dep, dr
* @param {number | Pattern} [config.depthabs] Absolute modulation depth. Aliases: da
* @param {number | Pattern} [config.attack] Time to reach depth. Aliases: att, a
@@ -2985,6 +2992,7 @@ export const lfo = (config) => pure({}).lfo(config);
* @param {number | Pattern} [config.acurve] Snappiness of attack curve (-1 = relaxed, 1 = snappy). Aliases: ac
* @param {number | Pattern} [config.dcurve] Snappiness of decay curve (-1 = relaxed, 1 = snappy). Aliases: dc
* @param {number | Pattern} [config.rcurve] Snappiness of release curve (-1 = relaxed, 1 = snappy). Aliases: rc
* @param {number | Pattern} [config.fxi] FX index to target
* @param {string | Pattern} id ID to use for this modulator
* @returns Pattern
*
@@ -3034,11 +3042,12 @@ export const env = (config) => pure({}).env(config);
* @name bmod
* @param {Object} config Bus modulation configuration.
* @param {string | Pattern} [config.bus] Bus to get modulation signal from
* @param {string | Pattern} [config.control] Node to modulate. Aliases: t
* @param {string | Pattern} [config.subControl] Sub-control name to append to the control key. Aliases: sc, p
* @param {string | Pattern} [config.control] Node to modulate. Aliases: c
* @param {string | Pattern} [config.subControl] Sub-control name to append to the control key. Aliases: sc
* @param {number | Pattern} [config.depth] Relative modulation depth. Aliases: dep, dr
* @param {number | Pattern} [config.depthabs] Absolute modulation depth. Aliases: da
* @param {number | Pattern} [config.dc] DC offset prior to application
* @param {number | Pattern} [config.fxi] FX index to target
* @param {string | Pattern} id ID to use for this modulator
* @returns Pattern
*
@@ -3065,3 +3074,5 @@ export const bmod = (config) => pure({}).bmod(config);
* s("hh*16").bank("tr909").transient("<-1:1 1:-1>")
*/
export const { transient } = registerControl(['transient', 'transsustain']);
export const { FXrelease, FXrel, FXr, fxr } = registerControl('FXrelease', 'FXrel', 'FXr', 'fxr');
+61 -8
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@@ -3586,6 +3586,20 @@ export const morph = (frompat, topat, bypat) => {
return frompat.innerBind((from) => topat.innerBind((to) => bypat.innerBind((by) => _morph(from, to, by))));
};
const _distortWithAlg = function (name) {
const func = function (args, pat) {
const argsPat = reify(args).fmap((v) => (Array.isArray(v) ? [...v, name] : [v, 1, name]));
if (!pat) {
return pure({}).distort(argsPat);
}
return pat.distort(argsPat);
};
Pattern.prototype[name] = function (args) {
return func(args, this);
};
return func;
};
/**
* Soft-clipping distortion
*
@@ -3594,6 +3608,8 @@ export const morph = (frompat, topat, bypat) => {
* @param {number | Pattern} volume linear postgain of the distortion
*
*/
export const soft = _distortWithAlg('soft');
/**
* Hard-clipping distortion
*
@@ -3602,6 +3618,8 @@ export const morph = (frompat, topat, bypat) => {
* @param {number | Pattern} volume linear postgain of the distortion
*
*/
export const hard = _distortWithAlg('hard');
/**
* Cubic polynomial distortion
*
@@ -3610,6 +3628,8 @@ export const morph = (frompat, topat, bypat) => {
* @param {number | Pattern} volume linear postgain of the distortion
*
*/
export const cubic = _distortWithAlg('cubic');
/**
* Diode-emulating distortion
*
@@ -3618,6 +3638,8 @@ export const morph = (frompat, topat, bypat) => {
* @param {number | Pattern} volume linear postgain of the distortion
*
*/
export const diode = _distortWithAlg('diode');
/**
* Asymmetrical diode distortion
*
@@ -3626,6 +3648,8 @@ export const morph = (frompat, topat, bypat) => {
* @param {number | Pattern} volume linear postgain of the distortion
*
*/
export const asym = _distortWithAlg('asym');
/**
* Wavefolding distortion
*
@@ -3634,6 +3658,8 @@ export const morph = (frompat, topat, bypat) => {
* @param {number | Pattern} volume linear postgain of the distortion
*
*/
export const fold = _distortWithAlg('fold');
/**
* Wavefolding distortion composed with sinusoid
*
@@ -3642,6 +3668,8 @@ export const morph = (frompat, topat, bypat) => {
* @param {number | Pattern} volume linear postgain of the distortion
*
*/
export const sinefold = _distortWithAlg('sinefold');
/**
* Distortion via Chebyshev polynomials
*
@@ -3650,14 +3678,7 @@ export const morph = (frompat, topat, bypat) => {
* @param {number | Pattern} volume linear postgain of the distortion
*
*/
const distAlgoNames = ['scurve', 'soft', 'hard', 'cubic', 'diode', 'asym', 'fold', 'sinefold', 'chebyshev'];
for (const name of distAlgoNames) {
// Add aliases for distortion algorithms
Pattern.prototype[name] = function (args) {
const argsPat = reify(args).fmap((v) => (Array.isArray(v) ? [...v, name] : [v, 1, name]));
return this.distort(argsPat);
};
}
export const chebyshev = _distortWithAlg('chebyshev');
/**
* Turns a list of patterns into a single pattern which outputs list-values
@@ -3721,3 +3742,35 @@ Pattern.prototype.phases = function (list) {
export const phases = (list) => {
return _ensureListPattern(list).as('phases');
};
/**
* Establishes an FX chain. Can be called by chaining .FX(fx1).FX(fx2)..
* calls and/or in a single .FX(fx1, fx2, ..) call. The fx1, .. are _patterns_ which
* establish the controls of the given effect. See examples.
* @name FX
* @memberof Pattern
* @returns Pattern
* @example
* $: s("[sbd <hh [bd | lt | oh]>]*4").dec(.4)
* .FX(
* phaser(0.5).gain(2),
* bpf(800),
* distort(1.3),
* room(0.2),
* delay(0.5).gain(1.25),
* distort(0.3),
* ).fxr(1.7) // sets release time of effects (like delay)
* @example
* $: s("saw").fm(0.5)
* .delay(0.3) // outer effects are applied *last*
* .FX(coarse(4)) // first coarse
* .FX(lpf(500).lpe(4).lpa(1).lpd(2)) // then lpf
* .FX(distort(1)) // then distort
*/
Pattern.prototype.FX = function (...effects) {
effects = effects.map(reify);
return this.withValue((v) => (vEff) => {
const currFX = v.FX ?? [];
return { ...v, FX: currFX.concat(vEff) };
}).appLeft(parray(effects));
};
+1 -1
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@@ -46,4 +46,4 @@ all(osc)
[open in repl](https://strudel.cc/#JDogcygiYmQqNCIpCgphbGwob3NjKQ%3D%3D)
You can read more about [how to use Superdirt with Strudel the Tutorial](https://strudel.cc/learn/input-output/#superdirt-api)
You can read more about [how to use Superdirt with Strudel](https://strudel.cc/learn/input-output/#oscsuperdirtstrudeldirt) in the tutorial.
+9 -10
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@@ -5,19 +5,18 @@ if (typeof DelayNode !== 'undefined') {
wet = Math.abs(wet);
this.delayTime.value = time;
const feedbackGain = ac.createGain();
feedbackGain.gain.value = Math.min(Math.abs(feedback), 0.995);
this.feedback = feedbackGain.gain;
this.feedbackGain = ac.createGain();
this.feedbackGain.gain.value = Math.min(Math.abs(feedback), 0.995);
this.feedback = this.feedbackGain.gain;
const delayGain = ac.createGain();
delayGain.gain.value = wet;
this.delayGain = delayGain;
this.delayGain = ac.createGain();
this.delayGain.gain.value = wet;
this.connect(feedbackGain);
this.connect(delayGain);
feedbackGain.connect(this);
this.connect(this.feedbackGain);
this.connect(this.delayGain);
this.feedbackGain.connect(this);
this.connect = (target) => delayGain.connect(target);
this.connect = (target) => this.delayGain.connect(target);
return this;
}
start(t) {
+5 -4
View File
@@ -461,10 +461,11 @@ export function applyFM(param, value, begin) {
nodes[`fm_${idx}`] = [osc];
}
const { input, output, freq, osc, toCleanup } = fms[idx];
const g = gainNode(amt * freq);
io.push(isMod ? output.connect(g) : input);
cleanupOnEnd(osc, [...toCleanup, g]);
nodes[`fm_${idx}_gain`] = [g];
const gAmt = gainNode(amt);
const gFreq = gainNode(freq);
io.push(isMod ? output.connect(gAmt).connect(gFreq) : input);
cleanupOnEnd(osc, [...toCleanup, gAmt, gFreq]);
nodes[`fm_${idx}_gain`] = [gAmt];
}
if (!io[1]) {
logger(
+27 -13
View File
@@ -32,8 +32,9 @@ const getNodeParam = (node, name) => {
const controlTargets = getSuperdoughControlTargets();
const getControlData = (control) => {
return controlTargets[control.split('_')[0]];
const getControlData = (control, subControl) => {
const controlNoIdx = control.split('_')[0];
return controlTargets[`${controlNoIdx}_${subControl}`] ?? controlTargets[controlNoIdx];
};
const getRangeForParam = (paramName, currentValue) => {
@@ -59,10 +60,12 @@ const clampWithWaveShaper = (modulator, min, max) => {
};
const getTargetParamsForControl = (control, nodes, subControl) => {
const lookupKey = subControl ? `${control}_${subControl}` : control;
const targetInfo = getControlData(lookupKey) ?? getControlData(control);
const targetInfo = getControlData(control, subControl);
if (!targetInfo) {
errorLogger(new Error(`Could not find control data for target '${control}'`), 'superdough');
errorLogger(
new Error(`Could not find control data for target '${control}'. It may not be modulatable.`),
'superdough',
);
return { targetParams: [], paramName: control };
}
const paramName = targetInfo.param;
@@ -85,8 +88,19 @@ const getTargetParamsForControl = (control, nodes, subControl) => {
};
export const connectLFO = (id, params, nodeTracker) => {
const { rate = 1, sync, cps, cycle, control = 'lfo', subControl, depth = 1, depthabs, ...filteredParams } = params;
const { targetParams, paramName } = getTargetParamsForControl(control, nodeTracker, subControl);
const {
rate = 1,
sync,
cps,
cycle,
control = 'lfo',
subControl,
fxi = 'main',
depth = 1,
depthabs,
...filteredParams
} = params;
const { targetParams, paramName } = getTargetParamsForControl(control, nodeTracker[fxi], subControl);
if (!targetParams.length) return;
let currentValue = targetParams[0].value;
currentValue = currentValue === 0 ? 1 : currentValue;
@@ -101,14 +115,14 @@ export const connectLFO = (id, params, nodeTracker) => {
max,
};
const lfoNode = getLfo(getAudioContext(), modParams);
nodeTracker[`lfo_${id}`] = [lfoNode];
nodeTracker.main[`lfo_${id}`] = [lfoNode];
targetParams.forEach((t) => lfoNode.connect(t));
return lfoNode;
};
export const connectEnvelope = (id, params, nodeTracker) => {
const { control, subControl, acurve, dcurve, rcurve, depth = 1, depthabs, ...filteredParams } = params;
const { targetParams, paramName } = getTargetParamsForControl(control, nodeTracker, subControl);
const { control, subControl, acurve, dcurve, rcurve, depth = 1, depthabs, fxi = 'main', ...filteredParams } = params;
const { targetParams, paramName } = getTargetParamsForControl(control, nodeTracker[fxi], subControl);
if (!targetParams.length) return;
let currentValue = targetParams[0].value;
currentValue = currentValue === 0 ? 1 : currentValue;
@@ -123,15 +137,15 @@ export const connectEnvelope = (id, params, nodeTracker) => {
decayCurve: dcurve,
releaseCurve: rcurve,
});
nodeTracker[`env_${id}`] = [envNode];
nodeTracker.main[`env_${id}`] = [envNode];
targetParams.forEach((t) => envNode.connect(t));
return envNode;
};
export const connectBusModulator = (params, nodeTracker, controller) => {
const ac = getAudioContext();
const { control, subControl, depth = 1, depthabs } = params;
const { targetParams, paramName } = getTargetParamsForControl(control, nodeTracker, subControl);
const { control, subControl, depth = 1, depthabs, fxi = 'main' } = params;
const { targetParams, paramName } = getTargetParamsForControl(control, nodeTracker[fxi], subControl);
if (!targetParams.length) return { toCleanup: [] };
const signal = controller.getBus(params.bus);
const dc = new ConstantSourceNode(ac, { offset: params.dc ?? 0 });
+4 -2
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@@ -12,6 +12,8 @@
// See the License for the specific language governing permissions and
// limitations under the License.
import { releaseAudioNode } from './helpers.mjs';
var reverbGen = {};
/** Generates a reverb impulse response.
@@ -104,8 +106,8 @@ var applyGradualLowpass = function (input, lpFreqStart, lpFreqEnd, lpFreqEndAt,
player.start();
context.oncomplete = function (event) {
callback(event.renderedBuffer);
filter.disconnect();
player.disconnect();
releaseAudioNode(filter);
releaseAudioNode(player);
};
context.startRendering();
+10 -9
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@@ -65,21 +65,22 @@ export const getSampleBufferSource = async (hapValue, bank, resolveUrl) => {
bufferSource.playbackRate.value = playbackRate;
const { loopBegin = 0, loopEnd = 1, begin = 0, end = 1 } = hapValue;
const bufferDuration = bufferSource.buffer.duration;
// "The computation of the offset into the sound is performed using the sound buffer's natural sample rate,
// rather than the current playback rate, so even if the sound is playing at twice its normal speed,
// the midway point through a 10-second audio buffer is still 5."
const offset = begin * bufferSource.buffer.duration;
// The computation of the offset into the sound is performed using the sound buffer's natural duration,
// rather than the playback duration, so that even if the sound is playing at twice its normal speed,
// the midway point through a 10-second audio buffer is still 5.
const offset = begin * bufferDuration;
const loop = hapValue.loop;
if (loop) {
bufferSource.loop = true;
bufferSource.loopStart = loopBegin * bufferSource.buffer.duration - offset;
bufferSource.loopEnd = loopEnd * bufferSource.buffer.duration - offset;
bufferSource.loopStart = loopBegin * bufferDuration;
bufferSource.loopEnd = loopEnd * bufferDuration;
}
const bufferDuration = bufferSource.buffer.duration / bufferSource.playbackRate.value;
const sliceDuration = (end - begin) * bufferDuration;
return { bufferSource, offset, bufferDuration, sliceDuration };
const playbackDuration = bufferDuration / bufferSource.playbackRate.value;
const sliceDuration = (end - begin) * playbackDuration;
return { bufferSource, offset, bufferDuration, playbackDuration, sliceDuration };
};
export const loadBuffer = (url, ac, s, n = 0) => {
+425 -330
View File
@@ -7,7 +7,7 @@ This program is free software: you can redistribute it and/or modify it under th
import './feedbackdelay.mjs';
import './reverb.mjs';
import './vowel.mjs';
import { nanFallback, _mod, cycleToSeconds, pickAndRename } from './util.mjs';
import { clamp, nanFallback, _mod, cycleToSeconds, pickAndRename } from './util.mjs';
import workletsUrl from './worklets.mjs?audioworklet';
import {
createFilter,
@@ -18,6 +18,7 @@ import {
getLfo,
getWorklet,
releaseAudioNode,
webAudioTimeout,
} from './helpers.mjs';
import { map } from 'nanostores';
import { logger } from './logger.mjs';
@@ -193,6 +194,9 @@ let defaultDefaultValues = {
i: 1,
velocity: 1,
fft: 8,
tremolodepth: 1,
tremolophase: 0,
release: 0.01,
};
const defaultDefaultDefaultValues = Object.freeze({ ...defaultDefaultValues });
@@ -402,8 +406,37 @@ function mapChannelNumbers(channels) {
return (Array.isArray(channels) ? channels : [channels]).map((ch) => ch - 1);
}
class Chain {
constructor(head) {
this.audioNodes = [head];
this.tails = [head];
}
connect(...nodes) {
nodes.forEach((node) => {
this.tails.forEach((tail) => {
tail.connect(node);
});
});
this.tails = nodes;
this.audioNodes.push(...nodes);
return this;
}
connectOne(idx, node) {
this.tails[idx].connect(node);
this.tails[idx] = node;
this.audioNodes.push(node);
return this;
}
releaseNodes() {
this.audioNodes.forEach((n) => releaseAudioNode(n));
this.audioNodes = [];
this.tails = [];
}
}
export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5) => {
let nodes = {};
// mapping from main FX and numbered FX chains to nodes
const nodes = { main: {} };
// new: t is always expected to be the absolute target onset time
const ac = getAudioContext();
const audioController = getSuperdoughAudioController();
@@ -432,44 +465,17 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
}
// destructure
let {
tremolo,
tremolosync,
tremolodepth = 1,
tremoloskew,
tremolophase = 0,
tremoloshape,
s = getDefaultValue('s'),
bank,
source,
gain = getDefaultValue('gain'),
postgain = getDefaultValue('postgain'),
density = getDefaultValue('density'),
duckorbit,
duckonset,
duckattack,
duckdepth,
djf,
// filters
fanchor = getDefaultValue('fanchor'),
release = 0,
//phaser
phaserrate,
phaserdepth = getDefaultValue('phaserdepth'),
phasersweep,
phasercenter,
//
coarse,
crush,
release = getDefaultValue('release'),
dry,
shape,
shapevol = getDefaultValue('shapevol'),
distort,
distortvol = getDefaultValue('distortvol'),
distorttype = getDefaultValue('distorttype'),
pan,
vowel,
delay = getDefaultValue('delay'),
delayfeedback = getDefaultValue('delayfeedback'),
delaysync = getDefaultValue('delaysync'),
@@ -486,16 +492,10 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
irspeed,
irbegin,
i = getDefaultValue('i'),
velocity = getDefaultValue('velocity'),
analyze, // analyser wet
fft = getDefaultValue('fft'), // fftSize 0 - 10
compressor: compressorThreshold,
compressorRatio,
compressorKnee,
compressorAttack,
compressorRelease,
transient,
transsustain,
FX = [],
FXrelease,
} = value;
delaytime = delaytime ?? cycleToSeconds(delaysync, cps);
@@ -510,18 +510,13 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
audioController.duck(duckorbit, t, duckonset, duckattack, duckdepth);
}
gain = applyGainCurve(nanFallback(gain, 1));
postgain = applyGainCurve(postgain);
shapevol = applyGainCurve(shapevol);
distortvol = applyGainCurve(distortvol);
delay = applyGainCurve(delay);
velocity = applyGainCurve(velocity);
tremolodepth = applyGainCurve(tremolodepth);
busgain = applyGainCurve(busgain);
gain *= velocity; // velocity currently only multiplies with gain. it might do other things in the future
const end = t + hapDuration;
const endWithRelease = end + release;
const fullRelease = Math.max(release, FXrelease ?? 0);
const endWithRelease = end + fullRelease;
const chainID = Math.round(Math.random() * 1000000);
// oldest audio nodes will be destroyed if maximum polyphony is exceeded
@@ -535,8 +530,6 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
activeSoundSources.delete(chainID);
}
const audioNodes = [];
if (['-', '~', '_'].includes(s)) {
return;
}
@@ -549,19 +542,27 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
let sourceNode;
if (source) {
sourceNode = source(t, value, hapDuration, cps);
nodes['source'] = [sourceNode];
nodes.main['source'] = [sourceNode];
} else if (getSound(s)) {
const { onTrigger } = getSound(s);
const onEnded = () => {
audioNodes.forEach((n) => releaseAudioNode(n));
activeSoundSources.delete(chainID);
};
// We have to use onEnded because some sources (e.g. `sampler`) have
// an internal duration which is longer than `value.duration`
const onEnded = () =>
webAudioTimeout(
ac,
() => {
chain.releaseNodes();
activeSoundSources.delete(chainID);
},
0,
endWithRelease,
);
const soundHandle = await onTrigger(t, value, onEnded, cps);
if (soundHandle) {
sourceNode = soundHandle.node;
activeSoundSources.set(chainID, new WeakRef(soundHandle)); // allow GC
nodes = { ...nodes, ...soundHandle.nodes };
nodes.main = { ...nodes.main, ...soundHandle.nodes };
}
} else {
throw new Error(`sound ${s} not found! Is it loaded?`);
@@ -576,253 +577,345 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
logger('[webaudio] skip hap: still loading', ac.currentTime - t);
return;
}
const chain = []; // audio nodes that will be connected to each other sequentially
chain.push(sourceNode);
stretch !== undefined && chain.push(getWorklet(ac, 'phase-vocoder-processor', { pitchFactor: stretch }));
if (transient !== undefined) {
const transProcessor = getWorklet(
ac,
'transient-processor',
{},
{
processorOptions: {
attack: transient,
sustain: transsustain,
begin: t,
end: endWithRelease,
const chain = new Chain(sourceNode); // connection manager which tracks audio nodes for releasing
FX = [...FX, value]; // run through the FX chain and then run through all FX outside of it as well
for (let [idx, fx] of Object.entries(FX)) {
const key = idx == FX.length - 1 ? 'main' : idx;
nodes[key] ??= {};
const fxNodes = nodes[key];
let {
gain = getDefaultValue('gain'),
velocity = getDefaultValue('velocity'),
shapevol = getDefaultValue('shapevol'),
distorttype = getDefaultValue('distorttype'),
distortvol = getDefaultValue('distortvol'),
tremolodepth = getDefaultValue('tremolodepth'),
phaserdepth = getDefaultValue('phaserdepth'),
delay = getDefaultValue('delay'),
delayfeedback = getDefaultValue('delayfeedback'),
delaysync = getDefaultValue('delaysync'),
delaytime,
stretch = getDefaultValue('stretch'),
i = getDefaultValue('i'),
} = fx;
gain = applyGainCurve(nanFallback(gain, 1));
shapevol = applyGainCurve(shapevol);
distortvol = applyGainCurve(distortvol);
velocity = applyGainCurve(velocity);
tremolodepth = applyGainCurve(tremolodepth);
gain *= velocity; // velocity currently only multiplies with gain. it might do other things in the future
delaytime = delaytime ?? cycleToSeconds(delaysync, cps);
if (stretch !== undefined) {
const phaseVocoder = getWorklet(ac, 'phase-vocoder-processor', { pitchFactor: stretch });
chain.connect(phaseVocoder);
fxNodes['stretch'] = [phaseVocoder];
}
if (fx.transient !== undefined) {
const transProcessor = getWorklet(
ac,
'transient-processor',
{},
{
processorOptions: {
attack: fx.transient,
sustain: fx.transsustain,
begin: t,
end: endWithRelease,
},
},
},
);
chain.push(transProcessor);
nodes['transient'] = transProcessor;
}
);
chain.connect(transProcessor);
fxNodes['transient'] = transProcessor;
}
// gain stage
const initialGain = gainNode(gain);
nodes['gain'] = [initialGain];
chain.push(initialGain);
// gain stage
const initialGain = gainNode(gain);
fxNodes['gain'] = [initialGain];
chain.connect(initialGain);
// filter
const ftype = getFilterType(value.ftype);
// filter
const ftype = getFilterType(value.ftype);
const filt = (params) => createFilter(ac, t, end, params, cps, cycle);
if (value.cutoff !== undefined) {
const lpMap = {
frequency: 'cutoff',
q: 'resonance',
attack: 'lpattack',
decay: 'lpdecay',
sustain: 'lpsustain',
release: 'lprelease',
env: 'lpenv',
anchor: 'fanchor',
model: 'ftype',
drive: 'drive',
rate: 'lprate',
sync: 'lpsync',
depth: 'lpdepth',
depthfrequency: 'lpdepthfrequency',
shape: 'lpshape',
dcoffset: 'lpdc',
skew: 'lpskew',
};
const lpParams = pickAndRename(value, lpMap);
lpParams.type = 'lowpass';
const { filter: lpf1, lfo: lfo1 } = filt(lpParams);
nodes['lpf'] = [lpf1];
nodes['lpf_lfo'] = [lfo1];
chain.push(lpf1);
lfo1 && audioNodes.push(lfo1);
if (ftype === '24db') {
const { filter: lpf2, lfo: lfo2 } = filt(lpParams);
nodes['lpf'].push(lpf2);
nodes['lpf_lfo'].push(lfo2);
chain.push(lpf2);
lfo2 && audioNodes.push(lfo2);
const filt = (params) => createFilter(ac, t, end, params, cps, cycle);
if (fx.cutoff !== undefined) {
const lpMap = {
frequency: 'cutoff',
q: 'resonance',
attack: 'lpattack',
decay: 'lpdecay',
sustain: 'lpsustain',
release: 'lprelease',
env: 'lpenv',
anchor: 'fanchor',
model: 'ftype',
drive: 'drive',
rate: 'lprate',
sync: 'lpsync',
depth: 'lpdepth',
depthfrequency: 'lpdepthfrequency',
shape: 'lpshape',
dcoffset: 'lpdc',
skew: 'lpskew',
};
const lpParams = pickAndRename(fx, lpMap);
lpParams.type = 'lowpass';
const { filter: lpf1, lfo: lfo1 } = filt(lpParams);
fxNodes['lpf'] = [lpf1];
fxNodes['lpf_lfo'] = [lfo1];
chain.connect(lpf1);
lfo1 && chain.audioNodes.push(lfo1);
if (ftype === '24db') {
const { filter: lpf2, lfo: lfo2 } = filt(lpParams);
fxNodes['lpf'].push(lpf2);
fxNodes['lpf_lfo'].push(lfo2);
chain.connect(lpf2);
lfo2 && chain.audioNodes.push(lfo2);
}
}
if (fx.hcutoff !== undefined) {
const hpMap = {
frequency: 'hcutoff',
q: 'hresonance',
attack: 'hpattack',
decay: 'hpdecay',
sustain: 'hpsustain',
release: 'hprelease',
env: 'hpenv',
anchor: 'fanchor',
model: 'ftype',
drive: 'drive',
rate: 'hprate',
sync: 'hpsync',
depth: 'hpdepth',
depthfrequency: 'hpdepthfrequency',
shape: 'hpshape',
dcoffset: 'hpdc',
skew: 'hpskew',
};
const hpParams = pickAndRename(fx, hpMap);
hpParams.type = 'highpass';
const { filter: hpf1, lfo: lfo1 } = filt(hpParams);
fxNodes['hpf'] = [hpf1];
fxNodes['hpf_lfo'] = [lfo1];
lfo1 && chain.audioNodes.push(lfo1);
chain.connect(hpf1);
if (ftype === '24db') {
const { filter: hpf2, lfo: lfo2 } = filt(hpParams);
fxNodes['hpf'].push(hpf2);
fxNodes['hpf_lfo'].push(lfo2);
chain.connect(hpf2);
lfo2 && chain.audioNodes.push(lfo2);
}
}
if (fx.bandf !== undefined) {
const bpMap = {
frequency: 'bandf',
q: 'bandq',
attack: 'bpattack',
decay: 'bpdecay',
sustain: 'bpsustain',
release: 'bprelease',
env: 'bpenv',
anchor: 'fanchor',
model: 'ftype',
drive: 'drive',
rate: 'bprate',
sync: 'bpsync',
depth: 'bpdepth',
depthfrequency: 'bpdepthfrequency',
shape: 'bpshape',
dcoffset: 'bpdc',
skew: 'bpskew',
};
const bpParams = pickAndRename(fx, bpMap);
bpParams.type = 'bandpass';
const { filter: bpf1, lfo: lfo1 } = filt(bpParams);
fxNodes['bpf'] = [bpf1];
fxNodes['bpf_lfo'] = [lfo1];
chain.connect(bpf1);
lfo1 && chain.audioNodes.push(lfo1);
if (ftype === '24db') {
const { filter: bpf2, lfo: lfo2 } = filt(bpParams);
fxNodes['bpf'].push(bpf2);
fxNodes['bpf_lfo'].push(lfo2);
chain.connect(bpf2);
lfo2 && chain.audioNodes.push(lfo2);
}
}
if (fx.vowel !== undefined) {
const vowelNode = ac.createVowelFilter(fx.vowel);
fxNodes['vowel'] = vowelNode.filters;
chain.connect(vowelNode);
}
// effects
if (fx.coarse !== undefined) {
const coarseNode = getWorklet(ac, 'coarse-processor', { coarse: fx.coarse });
fxNodes['coarse'] = [coarseNode];
chain.connect(coarseNode);
}
if (fx.crush !== undefined) {
const crushNode = getWorklet(ac, 'crush-processor', { crush: fx.crush });
fxNodes['crush'] = [crushNode];
chain.connect(crushNode);
}
if (fx.shape !== undefined) {
const shapeNode = getWorklet(ac, 'shape-processor', { shape: fx.shape, postgain: shapevol });
fxNodes['shape'] = [shapeNode];
chain.connect(shapeNode);
}
if (fx.distort !== undefined) {
const distortNode = getDistortion(fx.distort, distortvol, distorttype);
fxNodes['distort'] = [distortNode];
chain.connect(distortNode);
}
let tremolo = fx.tremolo;
if (fx.tremolosync != null) {
tremolo = cps * fx.tremolosync;
}
if (tremolo !== undefined) {
// Allow clipping of modulator for more dynamic possiblities, and to prevent speaker overload
// EX: a triangle waveform will clip like this /-\ when the depth is above 1
const gain = Math.max(1 - tremolodepth, 0);
const amGain = new GainNode(ac, { gain });
const time = cycle / cps;
const lfo = getLfo(ac, {
skew: fx.tremoloskew ?? (fx.tremoloshape != null ? 0.5 : 1),
frequency: tremolo,
depth: tremolodepth,
time,
dcoffset: 0,
shape: fx.tremoloshape,
phaseoffset: fx.tremolophase,
min: 0,
max: 1,
curve: 1.5,
begin: t,
end: endWithRelease,
});
fxNodes['tremolo'] = [lfo];
fxNodes['tremolo_gain'] = [amGain];
lfo.connect(amGain.gain);
chain.audioNodes.push(lfo);
chain.connect(amGain);
}
if (fx.compressor !== undefined) {
const compressorNode = getCompressor(
ac,
fx.compressor,
fx.compressorRatio,
fx.compressorKnee,
fx.compressorAttack,
fx.compressorRelease,
);
fxNodes['compressor'] = [compressorNode];
chain.connect(compressorNode);
}
// panning
if (fx.pan !== undefined) {
const panner = ac.createStereoPanner();
fxNodes['pan'] = [panner];
panner.pan.value = 2 * fx.pan - 1;
chain.connect(panner);
}
// phaser
if (fx.phaserrate !== undefined && phaserdepth > 0) {
const { filterChain, lfo } = getPhaser(
t,
endWithRelease,
fx.phaserrate,
phaserdepth,
fx.phasercenter,
fx.phasersweep,
);
fxNodes['phaser'] = [...filterChain];
fxNodes['phaser_lfo'] = [lfo];
filterChain.forEach((f) => chain.connect(f));
chain.audioNodes.push(lfo);
}
// delay
if (key !== 'main' && delay > 0 && delaytime > 0 && delayfeedback > 0) {
const dry = gainNode(1);
delayfeedback = clamp(delayfeedback, 0, 0.98);
const delayNode = ac.createFeedbackDelay(1, delaytime, delayfeedback);
const wetDelay = gainNode(delay);
const dryDelay = gainNode(fx.dry ?? 1);
const sum = new GainNode(ac, { gain: 1, channelCount: 2, channelCountMode: 'explicit' });
chain
.connect(dry)
.connect(dryDelay, delayNode)
.connectOne(1, wetDelay) // connect delayNode -> wetDelay
.connect(sum);
chain.audioNodes.push(delayNode.feedbackGain, delayNode.delayGain);
fxNodes['delay'] = [delayNode];
fxNodes['delay_mix'] = [wetDelay];
}
// reverb
if (key !== 'main' && fx.room > 0) {
let roomIR;
if (fx.ir !== undefined) {
let url;
let sample = getSound(fx.ir);
if (Array.isArray(sample)) {
url = sample.data.samples[fx.i % sample.data.samples.length];
} else if (typeof sample === 'object') {
url = Object.values(sample.data.samples).flat()[i % Object.values(sample.data.samples).length];
}
roomIR = await loadBuffer(url, ac, fx.ir, 0);
}
const dry = gainNode(1);
const reverbNode = ac.createReverb(
fx.roomsize,
fx.roomfade,
fx.roomlp,
fx.roomdim,
roomIR,
fx.irspeed,
fx.irbegin,
);
const wetReverb = gainNode(fx.room);
const dryReverb = gainNode(fx.dry ?? 1);
const sum = new GainNode(ac, { gain: 1, channelCount: 2, channelCountMode: 'explicit' });
chain
.connect(dry)
.connect(dryReverb, reverbNode)
.connectOne(1, wetReverb) // connect reverbNode -> wetReverb
.connect(sum);
fxNodes['room'] = [reverbNode];
fxNodes['room_mix'] = [wetReverb];
}
}
if (value.hcutoff !== undefined) {
const hpMap = {
frequency: 'hcutoff',
q: 'hresonance',
attack: 'hpattack',
decay: 'hpdecay',
sustain: 'hpsustain',
release: 'hprelease',
env: 'hpenv',
anchor: 'fanchor',
model: 'ftype',
drive: 'drive',
rate: 'hprate',
sync: 'hpsync',
depth: 'hpdepth',
depthfrequency: 'hpdepthfrequency',
shape: 'hpshape',
dcoffset: 'hpdc',
skew: 'hpskew',
};
const hpParams = pickAndRename(value, hpMap);
hpParams.type = 'highpass';
const { filter: hpf1, lfo: lfo1 } = filt(hpParams);
nodes['hpf'] = [hpf1];
nodes['hpf_lfo'] = [lfo1];
lfo1 && audioNodes.push(lfo1);
chain.push(hpf1);
if (ftype === '24db') {
const { filter: hpf2, lfo: lfo2 } = filt(hpParams);
nodes['hpf'].push(hpf2);
nodes['hpf_lfo'].push(lfo2);
chain.push(hpf2);
lfo2 && audioNodes.push(lfo2);
}
}
if (value.bandf !== undefined) {
const bpMap = {
frequency: 'bandf',
q: 'bandq',
attack: 'bpattack',
decay: 'bpdecay',
sustain: 'bpsustain',
release: 'bprelease',
env: 'bpenv',
anchor: 'fanchor',
model: 'ftype',
drive: 'drive',
rate: 'bprate',
sync: 'bpsync',
depth: 'bpdepth',
depthfrequency: 'bpdepthfrequency',
shape: 'bpshape',
dcoffset: 'bpdc',
skew: 'bpskew',
};
const bpParams = pickAndRename(value, bpMap);
bpParams.type = 'bandpass';
const { filter: bpf1, lfo: lfo1 } = filt(bpParams);
nodes['bpf'] = [bpf1];
nodes['bpf_lfo'] = [lfo1];
chain.push(bpf1);
lfo1 && audioNodes.push(lfo1);
if (ftype === '24db') {
const { filter: bpf2, lfo: lfo2 } = filt(bpParams);
nodes['bpf'].push(bpf2);
nodes['bpf_lfo'].push(lfo2);
chain.push(bpf2);
lfo2 && audioNodes.push(lfo2);
}
}
if (vowel !== undefined) {
const vowelFilter = ac.createVowelFilter(vowel);
nodes['vowel'] = [vowelFilter];
chain.push(vowelFilter);
}
// effects
if (coarse !== undefined) {
const coarseNode = getWorklet(ac, 'coarse-processor', { coarse });
nodes['coarse'] = [coarseNode];
chain.push(coarseNode);
}
if (crush !== undefined) {
const crushNode = getWorklet(ac, 'crush-processor', { crush });
nodes['crush'] = [crushNode];
chain.push(crushNode);
}
if (shape !== undefined) {
const shapeNode = getWorklet(ac, 'shape-processor', { shape, postgain: shapevol });
nodes['shape'] = [shapeNode];
chain.push(shapeNode);
}
if (distort !== undefined) {
const distortNode = getDistortion(distort, distortvol, distorttype);
nodes['distort'] = [distortNode];
chain.push(distortNode);
}
if (tremolosync != null) {
tremolo = cps * tremolosync;
}
if (value.wtPosSynced != null) {
value.wtPosRate /= cps;
}
if (value.wtWarpSynced != null) {
value.wtWarpRate /= cps;
}
if (tremolo !== undefined) {
// Allow clipping of modulator for more dynamic possiblities, and to prevent speaker overload
// EX: a triangle waveform will clip like this /-\ when the depth is above 1
const gain = Math.max(1 - tremolodepth, 0);
const amGain = new GainNode(ac, { gain });
const time = cycle / cps;
const lfo = getLfo(ac, {
skew: tremoloskew ?? (tremoloshape != null ? 0.5 : 1),
frequency: tremolo,
depth: tremolodepth,
time,
dcoffset: 0,
shape: tremoloshape,
phaseoffset: tremolophase,
min: 0,
max: 1,
curve: 1.5,
begin: t,
end: endWithRelease,
});
nodes['tremolo'] = [lfo];
nodes['tremolo_gain'] = [amGain];
lfo.connect(amGain.gain);
audioNodes.push(lfo);
chain.push(amGain);
}
if (compressorThreshold !== undefined) {
const compressorNode = getCompressor(
ac,
compressorThreshold,
compressorRatio,
compressorKnee,
compressorAttack,
compressorRelease,
);
nodes['compressor'] = [compressorNode];
chain.push(compressorNode);
}
// panning
if (pan !== undefined) {
const panner = ac.createStereoPanner();
panner.pan.value = 2 * pan - 1;
chain.push(panner);
}
// phaser
if (phaserrate !== undefined && phaserdepth > 0) {
const { filterChain, lfo } = getPhaser(t, endWithRelease, phaserrate, phaserdepth, phasercenter, phasersweep);
nodes['phaser'] = [...filterChain];
nodes['phaser_lfo'] = [lfo];
chain.push(...filterChain);
audioNodes.push(lfo);
if (FXrelease !== undefined && FXrelease > release) {
const releaseNode = gainNode(1);
releaseNode.gain.setValueAtTime(1, end + release);
releaseNode.gain.linearRampToValueAtTime(0, endWithRelease);
chain.connect(releaseNode);
}
// last gain
const post = new GainNode(ac, { gain: postgain });
nodes['post'] = [post];
chain.push(post);
nodes.main['post'] = [post];
chain.connect(post);
// delay
if (delay > 0 && delaytime > 0 && delayfeedback > 0) {
const delayNode = orbitBus.getDelay(delaytime, delayfeedback, t);
nodes['delay'] = [delayNode];
nodes.main['delay'] = [delayNode];
const delaySend = orbitBus.sendDelay(post, delay);
nodes['delay_mix'] = [delaySend];
audioNodes.push(delaySend);
nodes.main['delay_mix'] = [delaySend];
chain.audioNodes.push(delaySend);
}
// reverb
if (room > 0) {
@@ -838,81 +931,83 @@ export const superdough = async (value, t, hapDuration, cps = 0.5, cycle = 0.5)
roomIR = await loadBuffer(url, ac, ir, 0);
}
const roomNode = orbitBus.getReverb(roomsize, roomfade, roomlp, roomdim, roomIR, irspeed, irbegin);
nodes['room'] = [roomNode];
nodes.main['room'] = [roomNode];
const reverbSend = orbitBus.sendReverb(post, room);
nodes['room_mix'] = [reverbSend];
audioNodes.push(reverbSend);
nodes.main['room_mix'] = [reverbSend];
chain.audioNodes.push(reverbSend);
}
if (bus != null) {
const busNode = audioController.getBus(bus);
const busSend = effectSend(post, busNode, busgain);
audioNodes.push(busSend);
chain.audioNodes.push(busSend);
}
if (djf != null) {
const djfNode = orbitBus.getDjf(djf, t);
nodes['djf'] = [djfNode];
nodes.main['djf'] = [djfNode];
}
// analyser
if (analyze && !(ac instanceof OfflineAudioContext)) {
const analyserNode = getAnalyserById(analyze, 2 ** (fft + 5));
const analyserSend = effectSend(post, analyserNode, 1);
audioNodes.push(analyserSend);
chain.audioNodes.push(analyserSend);
}
if (dry != null) {
dry = applyGainCurve(dry);
const dryGain = new GainNode(ac, { gain: dry });
chain.push(dryGain);
chain.connect(dryGain);
orbitBus.connectToOutput(dryGain);
} else {
orbitBus.connectToOutput(post);
}
// connect chain elements together
chain.slice(1).reduce((last, current) => last.connect(current), chain[0]);
audioNodes.push(...chain);
// finally, now that `nodes` is populated, set up modulators
if (value.lfo) {
for (const id of value.lfo.__ids) {
const params = value.lfo[id];
const lfo = connectLFO(
id,
{
...params,
cps,
cycle,
begin: t,
end: endWithRelease,
},
nodes,
);
lfo && audioNodes.push(lfo);
FX.forEach((fx, idx) => {
const key = idx === FX.length - 1 ? 'main' : idx;
if (fx.lfo) {
for (const id of fx.lfo.__ids) {
const params = fx.lfo[id];
params.fxi ??= key;
const lfo = connectLFO(
id,
{
...params,
cps,
cycle,
begin: t,
end: endWithRelease,
},
nodes,
);
lfo && chain.audioNodes.push(lfo);
}
}
}
if (value.env) {
for (const id of value.env.__ids) {
const params = value.env[id];
const env = connectEnvelope(
id,
{
...params,
begin: t,
end: endWithRelease,
},
nodes,
);
env && audioNodes.push(env);
if (fx.env) {
for (const id of fx.env.__ids) {
const params = fx.env[id];
params.fxi ??= key;
const env = connectEnvelope(
id,
{
...params,
begin: t,
end: endWithRelease,
},
nodes,
);
env && chain.audioNodes.push(env);
}
}
}
if (value.bmod) {
for (const id of value.bmod.__ids) {
const params = value.bmod[id];
const { toCleanup } = connectBusModulator({ ...params, begin: t, end: endWithRelease }, nodes, controller);
audioNodes.push(...toCleanup);
if (fx.bmod) {
for (const id of fx.bmod.__ids) {
const params = fx.bmod[id];
params.fxi ??= key;
const { toCleanup } = connectBusModulator({ ...params, begin: t, end: endWithRelease }, nodes, controller);
chain.audioNodes.push(...toCleanup);
}
}
}
});
};
export const superdoughTrigger = (t, hap, ct, cps) => {
+1 -1
View File
@@ -87,7 +87,7 @@ const CONTROL_TARGETS = {
compressorRelease: { node: 'compressor', param: 'release' },
// PHASER
phaserrate: { node: 'phaser_lfo', param: 'rate' },
phaserrate: { node: 'phaser_lfo', param: 'frequency' },
phasersweep: { node: 'phaser_lfo', param: 'depth' },
phasercenter: { node: 'phaser', param: 'frequency' },
phaserdepth: { node: 'phaser', param: 'Q' },
+11 -6
View File
@@ -1,3 +1,5 @@
import { releaseAudioNode } from './helpers.mjs';
// credits to webdirt: https://github.com/dktr0/WebDirt/blob/41342e81d6ad694a2310d491fef7b7e8b0929efe/js-src/Graph.js#L597
export var vowelFormant = {
a: { freqs: [660, 1120, 2750, 3000, 3350], gains: [1, 0.5012, 0.0708, 0.0631, 0.0126], qs: [80, 90, 120, 130, 140] },
@@ -46,7 +48,8 @@ if (typeof GainNode !== 'undefined') {
}
const { gains, qs, freqs } = vowelFormant[letter];
this.makeupGain = ac.createGain();
this.audioNodes = [];
this.filters = [];
this.gains = [];
for (let i = 0; i < 5; i++) {
const gain = ac.createGain();
gain.gain.value = gains[i];
@@ -56,9 +59,9 @@ if (typeof GainNode !== 'undefined') {
filter.frequency.value = freqs[i];
super.connect(filter);
filter.connect(gain);
this.audioNodes.push(filter);
this.filters.push(filter);
gain.connect(this.makeupGain);
this.audioNodes.push(gain);
this.gains.push(gain);
}
this.makeupGain.gain.value = 8; // how much makeup gain to add?
return this;
@@ -67,11 +70,13 @@ if (typeof GainNode !== 'undefined') {
this.makeupGain.connect(target);
}
disconnect() {
this.makeupGain.disconnect();
this.audioNodes.forEach((n) => n.disconnect());
releaseAudioNode(this.makeupGain);
this.filters.forEach(releaseAudioNode);
this.gains.forEach(releaseAudioNode);
super.disconnect();
this.makeupGain = null;
this.audioNodes = null;
this.filters = null;
this.gains = null;
}
}
@@ -42,4 +42,18 @@ describe('transpiler', () => {
[12, 14],
]);
});
it('allows disabling mini', () => {
const code = `/* mini-off */
const randPrefix = Math.random() > 0.5 ? "b" : "s";
const drumPat = \`\${randPrefix}d\`;
// mini-on
s(drumPat).lpf("5000 10000") // make sure mini still runs;
`;
const { output, miniLocations } = transpiler(code, { ...simple, emitMiniLocations: true });
expect(output).not.toContain("m('b'");
expect(output).not.toContain("m('s'");
const cutoffIdx = code.indexOf('5000 10000');
expect(miniLocations).toHaveLength(2);
expect(miniLocations[0][0]).toEqual(cutoffIdx);
});
});
+38
View File
@@ -21,12 +21,15 @@ export function registerLanguage(type, config) {
export function transpiler(input, options = {}) {
const { wrapAsync = false, addReturn = true, emitMiniLocations = true, emitWidgets = true } = options;
const comments = [];
let ast = parse(input, {
ecmaVersion: 2022,
allowAwaitOutsideFunction: true,
locations: true,
onComment: comments,
});
const miniDisableRanges = findMiniDisableRanges(comments, input.length);
let miniLocations = [];
const collectMiniLocations = (value, node) => {
const minilang = languages.get('minilang');
@@ -66,6 +69,9 @@ export function transpiler(input, options = {}) {
return this.replace(tidalWithLocation(raw, offset));
}
if (isBackTickString(node, parent)) {
if (isMiniDisabled(node.start, miniDisableRanges)) {
return;
}
const { quasis } = node;
const { raw } = quasis[0].value;
this.skip();
@@ -73,6 +79,9 @@ export function transpiler(input, options = {}) {
return this.replace(miniWithLocation(raw, node));
}
if (isStringWithDoubleQuotes(node)) {
if (isMiniDisabled(node.start, miniDisableRanges)) {
return;
}
const { value } = node;
this.skip();
emitMiniLocations && collectMiniLocations(value, node);
@@ -327,3 +336,32 @@ function languageWithLocation(name, value, offset) {
optional: false,
};
}
function findMiniDisableRanges(comments, codeEnd) {
const ranges = [];
const stack = []; // used to track on/off pairs
for (const comment of comments) {
const value = comment.value.trim();
if (value.startsWith('mini-off')) {
stack.push(comment.start);
} else if (value.startsWith('mini-on')) {
const start = stack.pop();
ranges.push([start, comment.end]);
}
}
while (stack.length) {
// If no closing mini-on is found, just turn it off until `codeEnd`
const start = stack.pop();
ranges.push([start, codeEnd]);
}
return ranges;
}
function isMiniDisabled(offset, miniDisableRanges) {
for (const [start, end] of miniDisableRanges) {
if (offset >= start && offset < end) {
return true;
}
}
return false;
}
+46
View File
@@ -565,6 +565,52 @@ exports[`runs examples > example "_euclidRot" example index 20 1`] = `
]
`;
exports[`runs examples > example "FX" example index 0 1`] = `
[
"[ 0/1 → 1/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 1/8 → 1/4 | s:hh decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 1/4 → 3/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 3/8 → 1/2 | s:bd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 1/2 → 5/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 5/8 → 3/4 | s:hh decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 3/4 → 7/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 7/8 → 1/1 | s:lt decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 1/1 → 9/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 9/8 → 5/4 | s:hh decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 5/4 → 11/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 11/8 → 3/2 | s:oh decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 3/2 → 13/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 13/8 → 7/4 | s:hh decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 7/4 → 15/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 15/8 → 2/1 | s:bd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 2/1 → 17/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 17/8 → 9/4 | s:hh decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 9/4 → 19/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 19/8 → 5/2 | s:bd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 5/2 → 21/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 21/8 → 11/4 | s:hh decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 11/4 → 23/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 23/8 → 3/1 | s:bd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 3/1 → 25/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 25/8 → 13/4 | s:hh decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 13/4 → 27/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 27/8 → 7/2 | s:lt decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 7/2 → 29/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 29/8 → 15/4 | s:hh decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 15/4 → 31/8 | s:sbd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
"[ 31/8 → 4/1 | s:bd decay:0.4 FX:[{phaserrate:0.5 gain:2} {bandf:800} {distort:1.3} {room:0.2} {delay:0.5 gain:1.25} {distort:0.3}] FXrelease:1.7 ]",
]
`;
exports[`runs examples > example "FX" example index 1 1`] = `
[
"[ 0/1 → 1/1 | s:saw fmi:0.5 delay:0.3 FX:[{coarse:4} {cutoff:500 lpenv:4 lpattack:1 lpdecay:2} {distort:1}] ]",
"[ 1/1 → 2/1 | s:saw fmi:0.5 delay:0.3 FX:[{coarse:4} {cutoff:500 lpenv:4 lpattack:1 lpdecay:2} {distort:1}] ]",
"[ 2/1 → 3/1 | s:saw fmi:0.5 delay:0.3 FX:[{coarse:4} {cutoff:500 lpenv:4 lpattack:1 lpdecay:2} {distort:1}] ]",
"[ 3/1 → 4/1 | s:saw fmi:0.5 delay:0.3 FX:[{coarse:4} {cutoff:500 lpenv:4 lpattack:1 lpdecay:2} {distort:1}] ]",
]
`;
exports[`runs examples > example "accelerate" example index 0 1`] = `
[
"[ 0/1 → 2/1 | s:sax accelerate:0 ]",
+1 -1
View File
@@ -41,7 +41,7 @@ note("c3 [e3 g3]*2")
is transpiled to:
```strudel
note(m('c3 [e3 g3]', 5))
note(m('c3 [e3 g3]*2', 5))
```
Here, the string is wrapped in `m`, which will create a pattern from a mini-notation string. As the second parameter, it gets passed source code location of the string, which enables highlighting active events later.
+1 -1
View File
@@ -377,4 +377,4 @@ insect [crow metal] - -,
punchcard
/>
Now that we know the basics of how to make beats, let's look at how we can play [notes](/workshop/first-notes)
Now that we know the basics of how to make beats, let's look at how we can play [notes](/workshop/first-notes).