Format SPS and PPS in avcC and nalu_arrays in lhvc in string format (#…

…431)

Based on code from d1cb88f.

src/parsing/lhvC.js

@@ -10,6 +10,29 @@ BoxParser.createBoxCtor("lhvC", function(stream) {
 	this.lengthSizeMinusOne = (tmp_byte & 0X3);
 
 	this.nalu_arrays = [];
+	this.nalu_arrays.toString = function () {
+		var str = "<table class='inner-table'>";
+		str += "<thead><tr><th>completeness</th><th>nalu_type</th><th>nalu_data</th></tr></thead>";
+		str += "<tbody>";
+
+		for (var i=0; i<this.length; i++) {
+			var nalu_array = this[i];
+			str += "<tr>";
+			str += "<td rowspan='"+nalu_array.length+"'>"+nalu_array.completeness+"</td>";
+			str += "<td rowspan='"+nalu_array.length+"'>"+nalu_array.nalu_type+"</td>";
+			for (var j=0; j<nalu_array.length; j++) {
+				var nalu = nalu_array[j];
+				if (j !== 0) str += "<tr>";
+				str += "<td>";
+				str += nalu.data.reduce(function(str, byte) {
+					return str + byte.toString(16).padStart(2, "0");
+				}, "0x");
+				str += "</td></tr>";
+			}
+		}
+		str += "</tbody></table>";
+		return str;
+	}
 	var numOfArrays = stream.readUint8();
 	for (i = 0; i < numOfArrays; i++) {
 		var nalu_array = [];