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1× | 'use strict';
Object.defineProperty(exports, "__esModule", {
value: true
});
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { Eif (protoProps) defineProperties(Constructor.prototype, protoProps); Iif (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
var _fileExists = require('file-exists');
var _fileExists2 = _interopRequireDefault(_fileExists);
var _fluentFfmpeg = require('fluent-ffmpeg');
var _fluentFfmpeg2 = _interopRequireDefault(_fluentFfmpeg);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _classCallCheck(instance, Constructor) { Iif (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
/* eslint class-methods-use-this:
[ "error",
{"exceptMethods": ["checkTypes", "isString", "fillWithNewExt", "convert", "throwIfMissing"] }
] */
var Convert = function () {
function Convert() {
var path = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : this.throwIfMissing();
var ext = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : this.throwIfMissing();
var image = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : this.throwIfMissing();
_classCallCheck(this, Convert);
this.checkTypes(path, ext, image);
this.path = path;
this.ext = ext;
this.image = image;
this.output = this.fillWithNewExt(this.path, this.ext);
}
/**
* It is a getter, should show all params
*/
_createClass(Convert, [{
key: 'checkTypes',
/**
* For each params and calls _isString function
* @param {object} Should be a string
*/
value: function checkTypes() {
var _this = this;
for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
args.forEach(function (value) {
return _this.isString(value);
});
}
/**
* Check if params is a string
* @param {any} Should be a string
*/
}, {
key: 'isString',
value: function isString(value) {
Iif (typeof value !== 'string' && !(value instanceof String)) {
throw new Error('Wrong type parameter.');
}
}
/**
* It return a path with output extension
* @param {string} Path of mp3
* @param {string} extension
*/
}, {
key: 'fillWithNewExt',
value: function fillWithNewExt(path, ext) {
return path.substr(0, path.lastIndexOf('.')) + '.' + ext;
}
/**
* Takes an image and mp3 and converts it to an mp4
* @param {string} image path to image file (eg. /path/to/image.jpg)
* @param {string} audio path to audi file (eg. /path/to/audio.mp3)
* @param {string} output path to output file (eg. /path/to/output.mp4)
* @param {convert~requestCallback} callback
*/
}, {
key: 'convert',
value: function convert(audio, image, output, callback) {
var Command = new _fluentFfmpeg2.default();
Command.input(image).inputOptions(['-loop 1']).input(audio).output(output).outputOptions(['-c:v libx264', '-crf 18', '-c:a aac', '-strict experimental', '-b:a 192k', '-shortest']).on('error', function (err) {
callback(err);
}).on('end', function () {
callback(null, 'OK');
}).run();
}
/**
* Set default error if parameter is missing
*/
}, {
key: 'throwIfMissing',
value: function throwIfMissing() {
throw new Error('Missing parameter.');
}
/**
* It is a module initialize
* @param {init~requestCallback} callback
*/
}, {
key: 'init',
value: function init(callback) {
var _this2 = this;
if (!(0, _fileExists2.default)(this.path)) callback(new Error('MP3 path is wrong.'));
Iif (!(0, _fileExists2.default)(this.image)) callback(new Error('Image path is wrong.'));
this.convert(this.path, this.image, this.output, function (err, success) {
Iif (err) callback(err);
callback(null, {
status: success,
message: 'Everything OK',
videoPath: _this2.output
});
});
}
}, {
key: 'getAttributes',
get: function get() {
return this.path + ' ' + this.ext + ' ' + this.image + ' ' + this.output + '!';
}
/**
* It is a setter for path
* @param {string} path of mp3
*/
}, {
key: 'changePath',
set: function set(path) {
this.path = path;
}
/**
* It is a setter for output path
* @param {string} output path of video
*/
}, {
key: 'changeOutputPath',
set: function set(output) {
this.output = this.fillWithNewExt(output, this.ext);
}
/**
* It is a setter for extension
* @param {string} extension of video
*/
}, {
key: 'changeExtension',
set: function set(ext) {
this.ext = ext;
}
/**
* It is a setter for image
* @param {string} path of image
*/
}, {
key: 'changeImage',
set: function set(image) {
this.image = image;
}
}]);
return Convert;
}();
exports.default = Convert; |