Rebuild web release, bump version (1.3.0)

signalsmith-stretch.h

@@ -32,7 +32,7 @@ namespace _impl {
 
 template<typename Sample=float, class RandomEngine=void>
 struct SignalsmithStretch {
-	static constexpr size_t version[3] = {1, 2, 0};
+	static constexpr size_t version[3] = {1, 3, 0};
 
 	SignalsmithStretch() : randomEngine(std::random_device{}()) {}
 	SignalsmithStretch(long seed) : randomEngine(seed) {}

web/demo/index.html

@@ -109,6 +109,12 @@
 			<label>tonality limit</label>
 			<input type="range" min="2000" max="20000" step="100" data-key="tonalityHz" class="diagram-red">
 			<input type="number" min="2000" max="20000" step="1" data-key="tonalityHz" class="diagram-red">
+			<label>formant</label>
+			<div>
+				<input type="checkbox" data-key="formantCompensation" class="diagram-yellow">
+				<input type="range" min="50" max="500" step="1" data-key="formantBaseHz" class="diagram-brown">
+			</div>
+			<input type="number" min="50" max="500" step="1" data-key="formantBaseHz" class="diagram-brown">
 			<label>block (ms)</label>
 			<input type="range" min="50" max="180" step="1" data-key="blockMs" class="diagram-green">
 			<input type="number" min="50" max="180" step="1" data-key="blockMs" class="diagram-green">
@@ -131,6 +137,9 @@
 					active: false,
 					rate: 1,
 					semitones: 0,
+					formantSemitones: 0,
+					formantCompensation: false,
+					formantBaseHz: 200,
 					loopStart: 0,
 					loopEnd: 0 // disabled (<= start), but this gets set when we load an audio file
 				};

web/emscripten/compile.sh

@@ -2,6 +2,11 @@
 
 export SCRIPT_DIR=`dirname "$0"`
 
+if [ ! -z "$EMSDK" ]
+then
+	export EMSDK_DIR="$EMSDK"
+fi
+
 if [ -z "$EMSDK_DIR" ]
 then
 	export EMSDK_DIR="${SCRIPT_DIR}/emsdk"

web/emscripten/main.cpp

@@ -55,6 +55,15 @@ extern "C" {
 	void EMSCRIPTEN_KEEPALIVE setTransposeSemitones(Sample semitones, Sample tonalityLimit) {
 		stretch.setTransposeSemitones(semitones, tonalityLimit);
 	}
+	void EMSCRIPTEN_KEEPALIVE setFormantFactor(Sample multiplier, bool compensate) {
+		stretch.setFormantFactor(multiplier, compensate);
+	}
+	void EMSCRIPTEN_KEEPALIVE setFormantSemitones(Sample semitones, bool compensate) {
+		stretch.setFormantSemitones(semitones, compensate);
+	}
+	void EMSCRIPTEN_KEEPALIVE setFormantBase(Sample freq) {
+		stretch.setFormantBase(freq);
+	}
 	// We can't do setFreqMap()
 	void EMSCRIPTEN_KEEPALIVE seek(int inputSamples, double playbackRate) {
 		stretch.seek(buffersIn, inputSamples, playbackRate);

web/release/package.json

@@ -1,6 +1,6 @@
 {
 	"name": "signalsmith-stretch",
-	"version": "1.2.0",
+	"version": "1.3.0",
 	"description": "JS/WASM release of the Signalsmith Stretch library",
 	"main": "SignalsmithStretch.mjs",
 	"exports": {

web/web-wrapper.js

@@ -21,6 +21,9 @@ function registerWorkletProcessor(Module, audioNodeKey) {
 				output: 0,
 				rate: 1,
 				semitones: 0,
+				formantSemitones: 0,
+				formantCompensation: false,
+				formantBaseHz: 0, /* 0 = attempt to detect */
 				loopStart: 0,
 				loopEnd: 0
 			}];
@@ -230,7 +233,9 @@ function registerWorkletProcessor(Module, audioNodeKey) {
 			let currentMapSegment = this.timeMap[0];
 
 			let wasmModule = this.wasmModule;
-			wasmModule._setTransposeSemitones(currentMapSegment.semitones, this.config.tonalityHz/sampleRate)
+			wasmModule._setTransposeSemitones(currentMapSegment.semitones, this.config.tonalityHz/sampleRate);
+			wasmModule._setFormantSemitones(currentMapSegment.formantSemitones, currentMapSegment.formantCompensation);
+			wasmModule._setFormantBase(currentMapSegment.formantBaseHz/sampleRate);
 
 			// Check the input/output channel counts
 			if (outputList[0].length != this.channels) {