ysd-media-processor - npm Package Compare versions

Comparing version 1.1.4 to 1.2.0

controllers/VolumeBox.js

@@ -37,10 +37,8 @@ export default class VolumeBox {
 		}
-	};
+	}
 
 	scheduleFadeOut(source) {
 		if (this.fadeOutEnabled) {
-			setTimeout(() => {
-				source.gain.setValueAtTime(1, this.context.currentTime);
-				source.gain.linearRampToValueAtTime(0, this.context.currentTime + this.fadeOutDuration);
-			}, this.fadeOutStartTime * 1000);
+			source.gain.setValueAtTime(1, this.context.currentTime + this.fadeOutStartTime);
+			source.gain.linearRampToValueAtTime(0, this.context.currentTime + this.fadeOutStartTime + this.fadeOutDuration);
 		}
@@ -54,3 +52,3 @@ }
 		}
-	};
+	}
 
@@ -62,3 +60,3 @@ toggleFadeIn() {
 		this.fadeInEnabled = !this.fadeInEnabled;
-	};
+	}
 
@@ -70,3 +68,3 @@ toggleFadeOut() {
 		this.fadeOutEnabled = !this.fadeOutEnabled;
-	};
+	}
 
@@ -78,7 +76,7 @@ toggleCut() {
 		this.cutEnabled = !this.cutEnabled;
-	};
+	}
 
 	getFadeInDuration() {
 		return this.fadeInDuration;
-	};
+	}
 
@@ -90,7 +88,7 @@ setFadeInDuration(sec) {
 		this.fadeInDuration = sec;
-	};
+	}
 
 	getFadeOutStartTime() {
 		return this.fadeOutStartTime;
-	};
+	}
 
@@ -102,7 +100,7 @@ setFadeOutStartTime(sec) {
 		this.fadeOutStartTime = sec;
-	};
+	}
 
 	getFadeOutDuration() {
 		return this.fadeOutDuration;
-	};
+	}
 
@@ -114,7 +112,7 @@ setFadeOutDuration(sec) {
 		this.fadeOutDuration = sec;
-	};
+	}
 
 	getCutStartTime() {
 		return this.cutStartTime;
-	};
+	}
 
@@ -126,7 +124,7 @@ setCutStartTime(sec) {
 		this.cutStartTime = sec;
-	};
+	}
 
 	getCutEndTime() {
 		return this.cutEndTime;
-	};
+	}
 
@@ -138,5 +136,4 @@ setCutEndTime(sec) {
 		this.cutEndTime = sec;
-	};
+	}
 
-};
-
+}

effectors/ConvolverReverbBox.js

@@ -24,2 +24,3 @@ import EffectBox from './_EffectBox.js';
 			this.context.decodeAudioData(ab, (irBuffer) => this.convolverNode.buffer = irBuffer);
+			this.reverbType = type;
 		};
@@ -32,4 +33,3 @@
 		// setting
-		this.reverbType = 'room';
-		this._setReverbType(this.reverbType);
+		this._setReverbType('room');
 
@@ -48,7 +48,7 @@ // wiring
 
-	setReverbType(type) {
+	async setReverbType(type) {
 		if (!this.getReverbTypes().includes(type)) {
 			throw 'No shch types.';
 		}
-		this._setReverbType(type);
+		await this._setReverbType(type);
 	}
@@ -55,0 +55,0 @@

package.json

 {
   "name": "ysd-media-processor",
-  "version": "1.1.4",
+  "version": "1.2.0",
   "description": "Supports processing of audio files using web audio api.",
@@ -5,0 +5,0 @@ "main": "YsdMediaProcessor.js",

YsdMediaProcessor.js

@@ -6,2 +6,4 @@ import VolumeBox from './controllers/VolumeBox.js';
 
+import BufferToWaveEncoder from './encoders/BufferToWaveEncoder.js';
+
 export default class YsdMediaProcessor {
@@ -13,3 +15,3 @@
 		} catch (e) {
-			alert('Web Audio API is not supported in this browser.');
+			throw 'Web Audio API is not supported in this browser.';
 		}
@@ -21,2 +23,3 @@ this.context = new AudioContext();
 
+		this.originalFileName = 'no-name.';
 		this.started = false;
@@ -52,3 +55,6 @@ this.playTime = 0;
 			var fileReader = new FileReader();
-			fileReader.onload = () => this.setArrayBuffer(fileReader.result).then(resolve);
+			fileReader.onload = () => this.setArrayBuffer(fileReader.result).then(() => {
+				this.originalFileName = file.name;
+				resolve();
+			});
 			fileReader.readAsArrayBuffer(file);
@@ -222,2 +228,80 @@ });
 
+	export() {
+		return new Promise((resolve, reject) => {
+			try {
+				window.OfflineAudioContext = window.OfflineAudioContext || window.webkitOfflineAudioContext;
+			} catch (e) {
+				throw 'OfflineAudioContext is not supported in this browser.';
+			}
+
+			const audioBuffer = this.audioBuffer;
+			if (!audioBuffer) {
+				console.error('Audio has not set yet.');
+				reject();
+			}
+
+			const sampleRate = audioBuffer.sampleRate;
+			const context = new OfflineAudioContext(audioBuffer.numberOfChannels, audioBuffer.duration * sampleRate, sampleRate);
+			const source = context.createBufferSource();
+			source.buffer = audioBuffer;
+
+			const masterNode = context.createGain();
+			const integrateNode = context.createGain();
+
+			const volumeBox = new VolumeBox(context, () => false);
+			if (this.volumeBox.isOnFadeIn()) {
+				volumeBox.setFadeInDuration(this.volumeBox.getFadeInDuration());
+				volumeBox.toggleFadeIn();
+			}
+			if (this.volumeBox.isOnFadeOut()) {
+				volumeBox.setFadeOutStartTime(this.volumeBox.getFadeOutStartTime());
+				volumeBox.setFadeOutDuration(this.volumeBox.getFadeOutDuration());
+				volumeBox.toggleFadeOut();
+			}
+			if (this.volumeBox.isOnCut()) {
+				volumeBox.setCutStartTime(this.volumeBox.getCutStartTime());
+				volumeBox.setCutEndTime(this.volumeBox.getCutEndTime());
+				volumeBox.toggleCut();
+			}
+			volumeBox.scheduleFadeIn(masterNode);
+			volumeBox.scheduleFadeOut(masterNode);
+			volumeBox.scheduleCut(masterNode);
+
+			if (this.delayBox.isOn()) {
+				const delayBox = new DelayBox(context);
+				delayBox.setDelayTime(this.delayBox.getDelayTime());
+				delayBox.setFeedback(this.delayBox.getFeedback());
+				delayBox.toggle(masterNode, integrateNode);
+			}
+			if (this.convolverReverbBox.isOn()) {
+				const convolverReverbBox = new ConvolverReverbBox(context);
+				convolverReverbBox.setReverbType(this.convolverReverbBox.getReverbType());
+				convolverReverbBox.setOutputGain(this.convolverReverbBox.getOutputGain());
+				convolverReverbBox.toggle(masterNode, integrateNode);
+			}
+			if (this.schroederReverbBox.isOn()) {
+				const schroederReverbBox = new SchroederReverbBox(context);
+				schroederReverbBox.setOutputGain(this.schroederReverbBox.getOutputGain());
+				schroederReverbBox.toggle(masterNode, integrateNode);
+			}
+
+			source.connect(masterNode).connect(integrateNode).connect(context.destination);
+
+			const renderStartTime = new Date().getTime();
+			setTimeout(() => {
+				source.start();
+				context.startRendering();
+				context.oncomplete = (e) => {
+					const renderedBuffer = e.renderedBuffer;
+					const anchor = document.createElement('a');
+					anchor.href = URL.createObjectURL(BufferToWaveEncoder.encode(renderedBuffer));
+					anchor.download = this.originalFileName.slice(0, this.originalFileName.lastIndexOf('.')) + '.mixed.wav';
+					anchor.click();
+					console.log('AudioRenderingTime: ' + (new Date().getTime() - renderStartTime) + '[ms]');
+					resolve();
+				};
+			}, 100);
+		});
+	}
+
 }

No alert changes

Improved metrics

Total package byte prevSize

2168003

increased by0.23%

Number of package files

14

increased by7.69%

Lines of code

5387

increased by2.47%

No dependency changes