Function getStrLength

src/__tests__/MediaStreamRecorder.js:2558–2563

(string, offset)

        }

        function getStrLength(string, offset) {
            return parseInt(string.substr(offset + 4, 4).split('').map(function(i) {
                var unpadded = i.charCodeAt(0).toString(2);
                return (new Array(8 - unpadded.length + 1)).join('0') + unpadded;
            }).join(''), 2);
        }

        function parseRIFF(string) {
            var offset = 0;