Function generateEBML

src/__tests__/MediaStreamRecorder.js:2462–2493

(json)

        }

        function generateEBML(json) {
            var ebml = [];
            for (var i = 0; i < json.length; i++) {
                var data = json[i].data;

                if (typeof data === 'object') {
                    data = generateEBML(data);
                }

                if (typeof data === 'number') {
                    data = bitsToBuffer(data.toString(2));
                }

                if (typeof data === 'string') {
                    data = strToBuffer(data);
                }

                var len = data.size || data.byteLength || data.length;
                var zeroes = Math.ceil(Math.ceil(Math.log(len) / Math.log(2)) / 8);
                var sizeToString = len.toString(2);
                var padded = (new Array((zeroes * 7 + 7 + 1) - sizeToString.length)).join('0') + sizeToString;
                var size = (new Array(zeroes)).join('0') + '1' + padded;

                ebml.push(numToBuffer(json[i].id));
                ebml.push(bitsToBuffer(size));
                ebml.push(data);
            }

            return new Blob(ebml, {
                type: 'video/webm'
            });
        }

        function toBinStrOld(bits) {
            var data = '';