extendable-media-recorder/build/es2019/functions/read-variable-size-integer-length.js

An extendable drop-in replacement for the native MediaRecorder.

export const readVariableSizeIntegerLength = (dataView, offset) => {
    if (offset >= dataView.byteLength) {
        return null;
    }
    const byte = dataView.getUint8(offset);
    if (byte > 127) {
        return 1;
    }
    if (byte > 63) {
        return 2;
    }
    if (byte > 31) {
        return 3;
    }
    if (byte > 15) {
        return 4;
    }
    if (byte > 7) {
        return 5;
    }
    if (byte > 3) {
        return 6;
    }
    if (byte > 1) {
        return 7;
    }
    if (byte > 0) {
        return 8;
    }
    const length = readVariableSizeIntegerLength(dataView, offset + 1);
    return length === null ? null : length + 8;
};
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