Function readLeb128

src/codec_data.ts:1193–1217

()

	const bitstream = new Bitstream(packet);

	const readLeb128 = (): number | null => {
		let value = 0;

		for (let i = 0; i < 8; i++) {
			const byte = bitstream.readAlignedByte();

			value |= ((byte & 0x7f) << (i * 7));

			if (!(byte & 0x80)) {
				break;
			}

			// Spec requirement
			if (i === 7 && (byte & 0x80)) {
				return null;
			}
		}

		// Spec requirement
		if (value >= 2 ** 32 - 1) {
			return null;
		}

		return value;
	};

	while (bitstream.getBitsLeft() >= 8) {
		// Parse OBU header