1 files changed, 46 insertions, 0 deletions
diff --git a/packages/frontend/src/scripts/chiptune2.ts b/packages/frontend/src/scripts/chiptune2.ts
index e52adb07d1..5a5b1d6c24 100644
--- a/packages/frontend/src/scripts/chiptune2.ts
+++ b/packages/frontend/src/scripts/chiptune2.ts
@@ -150,6 +150,27 @@ ChiptuneJsPlayer.prototype.getRow = function () {
 	return 0;
 };
 
+ChiptuneJsPlayer.prototype.getNumPatterns = function () {
+	if (this.currentPlayingNode && this.currentPlayingNode.modulePtr) {
+		return libopenmpt._openmpt_module_get_num_patterns(this.currentPlayingNode.modulePtr);
+	}
+	return 0;
+};
+
+ChiptuneJsPlayer.prototype.getCurrentSpeed = function () {
+	if (this.currentPlayingNode && this.currentPlayingNode.modulePtr) {
+		return libopenmpt._openmpt_module_get_current_speed(this.currentPlayingNode.modulePtr);
+	}
+	return 0;
+};
+
+ChiptuneJsPlayer.prototype.getCurrentTempo = function () {
+	if (this.currentPlayingNode && this.currentPlayingNode.modulePtr) {
+		return libopenmpt._openmpt_module_get_current_tempo(this.currentPlayingNode.modulePtr);
+	}
+	return 0;
+};
+
 ChiptuneJsPlayer.prototype.getPatternNumRows = function (pattern: number) {
 	if (this.currentPlayingNode && this.currentPlayingNode.modulePtr) {
 		return libopenmpt._openmpt_module_get_pattern_num_rows(this.currentPlayingNode.modulePtr, pattern);
@@ -164,6 +185,20 @@ ChiptuneJsPlayer.prototype.getPatternRowChannel = function (pattern: number, row
 	return '';
 };
 
+ChiptuneJsPlayer.prototype.getCtls = function () {
+	if (this.currentPlayingNode && this.currentPlayingNode.modulePtr) {
+		return libopenmpt._openmpt_module_get_ctls(this.currentPlayingNode.modulePtr);
+	}
+	return 0;
+};
+
+ChiptuneJsPlayer.prototype.version = function () {
+	if (this.currentPlayingNode && this.currentPlayingNode.modulePtr) {
+		return libopenmpt._openmpt_get_library_version();
+	}
+	return 0;
+};
+
 ChiptuneJsPlayer.prototype.createLibopenmptNode = function (buffer, config: object) {
 	const maxFramesPerChunk = 4096;
 	const processNode = this.audioContext.createScriptProcessor(2048, 0, 2);
@@ -178,6 +213,7 @@ ChiptuneJsPlayer.prototype.createLibopenmptNode = function (buffer, config: obje
 	processNode.paused = false;
 	processNode.leftBufferPtr = libopenmpt._malloc(4 * maxFramesPerChunk);
 	processNode.rightBufferPtr = libopenmpt._malloc(4 * maxFramesPerChunk);
+	processNode.perf = { 'current': 0, 'max': 0 };
 	processNode.cleanup = function () {
 		if (this.modulePtr !== 0) {
 			libopenmpt._openmpt_module_destroy(this.modulePtr);
@@ -205,7 +241,13 @@ ChiptuneJsPlayer.prototype.createLibopenmptNode = function (buffer, config: obje
 	processNode.togglePause = function () {
 		this.paused = !this.paused;
 	};
+	processNode.getProcessTime = function() {
+		const max = this.perf.max;
+		this.perf.max = 0;
+		return { 'current': this.perf.current, 'max': max };
+	};
 	processNode.onaudioprocess = function (e) {
+		let startTimeP1 = performance.now();
 		const outputL = e.outputBuffer.getChannelData(0);
 		const outputR = e.outputBuffer.getChannelData(1);
 		let framesToRender = outputL.length;
@@ -231,11 +273,13 @@ ChiptuneJsPlayer.prototype.createLibopenmptNode = function (buffer, config: obje
 
 		const currentPattern = libopenmpt._openmpt_module_get_current_pattern(this.modulePtr);
 		const currentRow = libopenmpt._openmpt_module_get_current_row(this.modulePtr);
+		startTimeP1 = startTimeP1 - performance.now();
 		if (currentPattern !== this.patternIndex) {
 			processNode.player.fireEvent('onPatternChange');
 		}
 		processNode.player.fireEvent('onRowChange', { index: currentRow });
 
+		const startTimeP2 = performance.now();
 		while (framesToRender > 0) {
 			const framesPerChunk = Math.min(framesToRender, maxFramesPerChunk);
 			const actualFramesPerChunk = libopenmpt._openmpt_module_read_float_stereo(this.modulePtr, this.context.sampleRate, framesPerChunk, this.leftBufferPtr, this.rightBufferPtr);
@@ -262,6 +306,8 @@ ChiptuneJsPlayer.prototype.createLibopenmptNode = function (buffer, config: obje
 			this.cleanup();
 			error ? processNode.player.fireEvent('onError', { type: 'openmpt' }) : processNode.player.fireEvent('onEnded');
 		}
+		this.perf.current = performance.now() - startTimeP2 + startTimeP1;
+		if (this.perf.current > this.perf.max) this.perf.max = this.perf.current;
 	};
 	return processNode;
 };