kontainer-js/IsoBmff/Box/SampleEntry.js

A media file format generator/parser that exposes a React-like API.

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = undefined;

var _slicedToArray2 = require('babel-runtime/helpers/slicedToArray');

var _slicedToArray3 = _interopRequireDefault(_slicedToArray2);

var _getPrototypeOf = require('babel-runtime/core-js/object/get-prototype-of');

var _getPrototypeOf2 = _interopRequireDefault(_getPrototypeOf);

var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');

var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);

var _createClass2 = require('babel-runtime/helpers/createClass');

var _createClass3 = _interopRequireDefault(_createClass2);

var _possibleConstructorReturn2 = require('babel-runtime/helpers/possibleConstructorReturn');

var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);

var _get2 = require('babel-runtime/helpers/get');

var _get3 = _interopRequireDefault(_get2);

var _inherits2 = require('babel-runtime/helpers/inherits');

var _inherits3 = _interopRequireDefault(_inherits2);

var _Box2 = require('./Box');

var _Box3 = _interopRequireDefault(_Box2);

var _Writer = require('../../core/Writer');

var _Writer2 = _interopRequireDefault(_Writer);

var _Reader = require('../../core/Reader');

var _Reader2 = _interopRequireDefault(_Reader);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

var SampleEntry = function (_Box) {
  (0, _inherits3.default)(SampleEntry, _Box);

  function SampleEntry(type, props, dataReferenceIndex) {
    (0, _classCallCheck3.default)(this, SampleEntry);

    var _this = (0, _possibleConstructorReturn3.default)(this, (0, _getPrototypeOf2.default)(SampleEntry).call(this, type, props));

    _this.dataReferenceIndex = dataReferenceIndex;
    return _this;
  }

  (0, _createClass3.default)(SampleEntry, [{
    key: 'serialize',
    value: function serialize(buffer) {
      var offset = arguments.length <= 1 || arguments[1] === undefined ? 0 : arguments[1];

      //console.log('--- SampleEntry.serialize enter.');
      var dataReferenceIndex = this.dataReferenceIndex;

      var base = offset;

      base += (0, _get3.default)((0, _getPrototypeOf2.default)(SampleEntry.prototype), 'serialize', this).call(this, buffer, base);

      base += _Writer2.default.writeNumber(0, buffer, base, 6); // reserved (8)[6]

      base += _Writer2.default.writeNumber(dataReferenceIndex, buffer, base, 2);

      (0, _get3.default)((0, _getPrototypeOf2.default)(SampleEntry.prototype), 'setSize', this).call(this, base - offset, buffer, offset);

      //console.log('--- SampleEntry.serialize exit.');
      return this.size;
    }
  }], [{
    key: 'parse',
    value: function parse(buffer) {
      var offset = arguments.length <= 1 || arguments[1] === undefined ? 0 : arguments[1];

      var base = offset,
          readBytesNum = void 0,
          props = void 0,
          dataReferenceIndex = void 0;

      var _Box$parse = _Box3.default.parse(buffer, base);

      var _Box$parse2 = (0, _slicedToArray3.default)(_Box$parse, 2);

      readBytesNum = _Box$parse2[0];
      props = _Box$parse2[1];

      base += readBytesNum;

      base += 6; // skip reserved

      var _Reader$readNumber = _Reader2.default.readNumber(buffer, base, 2);

      var _Reader$readNumber2 = (0, _slicedToArray3.default)(_Reader$readNumber, 2);

      readBytesNum = _Reader$readNumber2[0];
      dataReferenceIndex = _Reader$readNumber2[1];

      base += readBytesNum;

      props.dataReferenceIndex = dataReferenceIndex;

      return [base - offset, props];
    }
  }]);
  return SampleEntry;
}(_Box3.default);

exports.default = SampleEntry;