@infinito/id3/src/set.syncsafe.js

ID3 Tag Reader/Writer

export default function setSyncSafe(buf,pos,size,bytes) {
	if(!(buf instanceof Uint8Array)) {
		throw new TypeError("setSyncSafe expects a Uint8Array for parameter buf");
	}
	if(typeof pos!="number") {
		throw new TypeError("setSyncSafe expects a number for parameter pos");
	}
	if(typeof size!="number") {
		throw new TypeError("setSyncSafe expects a number for parameter size");
	}
	if(typeof bytes!="number") {
		throw new TypeError("setSyncSafe expects a number for parameter bytes");
	}
	for(let i=bytes-1;i>=0;i--) {
		buf[pos+i] = size&0x7f;
		size>>=7;
	}
}