/*
object-assign
(c) Sindre Sorhus
@license MIT
*/

/*!
  Copyright (c) 2017 Jed Watson.
  Licensed under the MIT License (MIT), see
  http://jedwatson.github.io/classnames
*/

/*!
 * The buffer module from node.js, for the browser.
 *
 * @author   Feross Aboukhadijeh <http://feross.org>
 * @license  MIT
 */

/*!
 * Vue.js v2.6.12
 * (c) 2014-2020 Evan You
 * Released under the MIT License.
 */

/*! *****************************************************************************
Copyright (c) Microsoft Corporation. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use
this file except in compliance with the License. You may obtain a copy of the
License at http://www.apache.org/licenses/LICENSE-2.0

THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
MERCHANTABLITY OR NON-INFRINGEMENT.

See the Apache Version 2.0 License for specific language governing permissions
and limitations under the License.
***************************************************************************** */

/*! ieee754. BSD-3-Clause License. Feross Aboukhadijeh <https://feross.org/opensource> */

/**
 * CanvasRecorder is a standalone class used by {@link RecordRTC} to bring HTML5-Canvas recording into video WebM. It uses HTML2Canvas library and runs top over {@link Whammy}.
 * @summary HTML2Canvas recording into video WebM.
 * @license {@link https://github.com/muaz-khan/RecordRTC/blob/master/LICENSE|MIT}
 * @author {@link https://MuazKhan.com|Muaz Khan}
 * @typedef CanvasRecorder
 * @class
 * @example
 * var recorder = new CanvasRecorder(htmlElement, { disableLogs: true, useWhammyRecorder: true });
 * recorder.record();
 * recorder.stop(function(blob) {
 *     video.src = URL.createObjectURL(blob);
 * });
 * @see {@link https://github.com/muaz-khan/RecordRTC|RecordRTC Source Code}
 * @param {HTMLElement} htmlElement - querySelector/getElementById/getElementsByTagName[0]/etc.
 * @param {object} config - {disableLogs:true, initCallback: function}
 */

/**
 * DiskStorage is a standalone object used by {@link RecordRTC} to store recorded blobs in IndexedDB storage.
 * @summary Writing blobs into IndexedDB.
 * @license {@link https://github.com/muaz-khan/RecordRTC/blob/master/LICENSE|MIT}
 * @author {@link https://MuazKhan.com|Muaz Khan}
 * @example
 * DiskStorage.Store({
 *     audioBlob: yourAudioBlob,
 *     videoBlob: yourVideoBlob,
 *     gifBlob  : yourGifBlob
 * });
 * DiskStorage.Fetch(function(dataURL, type) {
 *     if(type === 'audioBlob') { }
 *     if(type === 'videoBlob') { }
 *     if(type === 'gifBlob')   { }
 * });
 * // DiskStorage.dataStoreName = 'recordRTC';
 * // DiskStorage.onError = function(error) { };
 * @property {function} init - This method must be called once to initialize IndexedDB ObjectStore. Though, it is auto-used internally.
 * @property {function} Fetch - This method fetches stored blobs from IndexedDB.
 * @property {function} Store - This method stores blobs in IndexedDB.
 * @property {function} onError - This function is invoked for any known/unknown error.
 * @property {string} dataStoreName - Name of the ObjectStore created in IndexedDB storage.
 * @see {@link https://github.com/muaz-khan/RecordRTC|RecordRTC Source Code}
 */

/**
 * GifRecorder is standalone calss used by {@link RecordRTC} to record video or canvas into animated gif.
 * @license {@link https://github.com/muaz-khan/RecordRTC/blob/master/LICENSE|MIT}
 * @author {@link https://MuazKhan.com|Muaz Khan}
 * @typedef GifRecorder
 * @class
 * @example
 * var recorder = new GifRecorder(mediaStream || canvas || context, { onGifPreview: function, onGifRecordingStarted: function, width: 1280, height: 720, frameRate: 200, quality: 10 });
 * recorder.record();
 * recorder.stop(function(blob) {
 *     img.src = URL.createObjectURL(blob);
 * });
 * @see {@link https://github.com/muaz-khan/RecordRTC|RecordRTC Source Code}
 * @param {MediaStream} mediaStream - MediaStream object or HTMLCanvasElement or CanvasRenderingContext2D.
 * @param {object} config - {disableLogs:true, initCallback: function, width: 320, height: 240, frameRate: 200, quality: 10}
 */

/**
 * MRecordRTC runs on top of {@link RecordRTC} to bring multiple recordings in a single place, by providing simple API.
 * @summary MRecordRTC stands for "Multiple-RecordRTC".
 * @license {@link https://github.com/muaz-khan/RecordRTC/blob/master/LICENSE|MIT}
 * @author {@link https://MuazKhan.com|Muaz Khan}
 * @typedef MRecordRTC
 * @class
 * @example
 * var recorder = new MRecordRTC();
 * recorder.addStream(MediaStream);
 * recorder.mediaType = {
 *     audio: true, // or StereoAudioRecorder or MediaStreamRecorder
 *     video: true, // or WhammyRecorder or MediaStreamRecorder or WebAssemblyRecorder or CanvasRecorder
 *     gif: true    // or GifRecorder
 * };
 * // mimeType is optional and should be set only in advance cases.
 * recorder.mimeType = {
 *     audio: 'audio/wav',
 *     video: 'video/webm',
 *     gif:   'image/gif'
 * };
 * recorder.startRecording();
 * @see For further information:
 * @see {@link https://github.com/muaz-khan/RecordRTC/tree/master/MRecordRTC|MRecordRTC Source Code}
 * @param {MediaStream} mediaStream - MediaStream object fetched using getUserMedia API or generated using captureStreamUntilEnded or WebAudio API.
 * @requires {@link RecordRTC}
 */

/**
 * MediaStreamRecorder is an abstraction layer for {@link https://w3c.github.io/mediacapture-record/MediaRecorder.html|MediaRecorder API}. It is used by {@link RecordRTC} to record MediaStream(s) in both Chrome and Firefox.
 * @summary Runs top over {@link https://w3c.github.io/mediacapture-record/MediaRecorder.html|MediaRecorder API}.
 * @license {@link https://github.com/muaz-khan/RecordRTC/blob/master/LICENSE|MIT}
 * @author {@link https://github.com/muaz-khan|Muaz Khan}
 * @typedef MediaStreamRecorder
 * @class
 * @example
 * var config = {
 *     mimeType: 'video/webm', // vp8, vp9, h264, mkv, opus/vorbis
 *     audioBitsPerSecond : 256 * 8 * 1024,
 *     videoBitsPerSecond : 256 * 8 * 1024,
 *     bitsPerSecond: 256 * 8 * 1024,  // if this is provided, skip above two
 *     checkForInactiveTracks: true,
 *     timeSlice: 1000, // concatenate intervals based blobs
 *     ondataavailable: function() {} // get intervals based blobs
 * }
 * var recorder = new MediaStreamRecorder(mediaStream, config);
 * recorder.record();
 * recorder.stop(function(blob) {
 *     video.src = URL.createObjectURL(blob);
 *
 *     // or
 *     var blob = recorder.blob;
 * });
 * @see {@link https://github.com/muaz-khan/RecordRTC|RecordRTC Source Code}
 * @param {MediaStream} mediaStream - MediaStream object fetched using getUserMedia API or generated using captureStreamUntilEnded or WebAudio API.
 * @param {object} config - {disableLogs:true, initCallback: function, mimeType: "video/webm", timeSlice: 1000}
 * @throws Will throw an error if first argument "MediaStream" is missing. Also throws error if "MediaRecorder API" are not supported by the browser.
 */

/**
 * MultiStreamRecorder can record multiple videos in single container.
 * @summary Multi-videos recorder.
 * @license {@link https://github.com/muaz-khan/RecordRTC/blob/master/LICENSE|MIT}
 * @author {@link https://MuazKhan.com|Muaz Khan}
 * @typedef MultiStreamRecorder
 * @class
 * @example
 * var options = {
 *     mimeType: 'video/webm'
 * }
 * var recorder = new MultiStreamRecorder(ArrayOfMediaStreams, options);
 * recorder.record();
 * recorder.stop(function(blob) {
 *     video.src = URL.createObjectURL(blob);
 *
 *     // or
 *     var blob = recorder.blob;
 * });
 * @see {@link https://github.com/muaz-khan/RecordRTC|RecordRTC Source Code}
 * @param {MediaStreams} mediaStreams - Array of MediaStreams.
 * @param {object} config - {disableLogs:true, frameInterval: 1, mimeType: "video/webm"}
 */

/**
 * RecordRTCPromisesHandler adds promises support in {@link RecordRTC}. Try a {@link https://github.com/muaz-khan/RecordRTC/blob/master/simple-demos/RecordRTCPromisesHandler.html|demo here}
 * @summary Promises for {@link RecordRTC}
 * @license {@link https://github.com/muaz-khan/RecordRTC/blob/master/LICENSE|MIT}
 * @author {@link https://MuazKhan.com|Muaz Khan}
 * @typedef RecordRTCPromisesHandler
 * @class
 * @example
 * var recorder = new RecordRTCPromisesHandler(mediaStream, options);
 * recorder.startRecording()
 *         .then(successCB)
 *         .catch(errorCB);
 * // Note: You can access all RecordRTC API using "recorder.recordRTC" e.g. 
 * recorder.recordRTC.onStateChanged = function(state) {};
 * recorder.recordRTC.setRecordingDuration(5000);
 * @see {@link https://github.com/muaz-khan/RecordRTC|RecordRTC Source Code}
 * @param {MediaStream} mediaStream - Single media-stream object, array of media-streams, html-canvas-element, etc.
 * @param {object} config - {type:"video", recorderType: MediaStreamRecorder, disableLogs: true, numberOfAudioChannels: 1, bufferSize: 0, sampleRate: 0, video: HTMLVideoElement, etc.}
 * @throws Will throw an error if "new" keyword is not used to initiate "RecordRTCPromisesHandler". Also throws error if first argument "MediaStream" is missing.
 * @requires {@link RecordRTC}
 */

/**
 * StereoAudioRecorder is a standalone class used by {@link RecordRTC} to bring "stereo" audio-recording in chrome.
 * @summary JavaScript standalone object for stereo audio recording.
 * @license {@link https://github.com/muaz-khan/RecordRTC/blob/master/LICENSE|MIT}
 * @author {@link https://MuazKhan.com|Muaz Khan}
 * @typedef StereoAudioRecorder
 * @class
 * @example
 * var recorder = new StereoAudioRecorder(MediaStream, {
 *     sampleRate: 44100,
 *     bufferSize: 4096
 * });
 * recorder.record();
 * recorder.stop(function(blob) {
 *     video.src = URL.createObjectURL(blob);
 * });
 * @see {@link https://github.com/muaz-khan/RecordRTC|RecordRTC Source Code}
 * @param {MediaStream} mediaStream - MediaStream object fetched using getUserMedia API or generated using captureStreamUntilEnded or WebAudio API.
 * @param {object} config - {sampleRate: 44100, bufferSize: 4096, numberOfAudioChannels: 1, etc.}
 */

/**
 * Storage is a standalone object used by {@link RecordRTC} to store reusable objects e.g. "new AudioContext".
 * @license {@link https://github.com/muaz-khan/RecordRTC/blob/master/LICENSE|MIT}
 * @author {@link https://MuazKhan.com|Muaz Khan}
 * @example
 * Storage.AudioContext === webkitAudioContext
 * @property {webkitAudioContext} AudioContext - Keeps a reference to AudioContext object.
 * @see {@link https://github.com/muaz-khan/RecordRTC|RecordRTC Source Code}
 */

/**
 * WebAssemblyRecorder lets you create webm videos in JavaScript via WebAssembly. The library consumes raw RGBA32 buffers (4 bytes per pixel) and turns them into a webm video with the given framerate and quality. This makes it compatible out-of-the-box with ImageData from a CANVAS. With realtime mode you can also use webm-wasm for streaming webm videos.
 * @summary Video recording feature in Chrome, Firefox and maybe Edge.
 * @license {@link https://github.com/muaz-khan/RecordRTC/blob/master/LICENSE|MIT}
 * @author {@link https://MuazKhan.com|Muaz Khan}
 * @typedef WebAssemblyRecorder
 * @class
 * @example
 * var recorder = new WebAssemblyRecorder(mediaStream);
 * recorder.record();
 * recorder.stop(function(blob) {
 *     video.src = URL.createObjectURL(blob);
 * });
 * @see {@link https://github.com/muaz-khan/RecordRTC|RecordRTC Source Code}
 * @param {MediaStream} mediaStream - MediaStream object fetched using getUserMedia API or generated using captureStreamUntilEnded or WebAudio API.
 * @param {object} config - {webAssemblyPath:'webm-wasm.wasm',workerPath: 'webm-worker.js', frameRate: 30, width: 1920, height: 1080, bitrate: 1024, realtime: true}
 */

/**
 * Whammy is a standalone class used by {@link RecordRTC} to bring video recording in Chrome. It is written by {@link https://github.com/antimatter15|antimatter15}
 * @summary A real time javascript webm encoder based on a canvas hack.
 * @license {@link https://github.com/muaz-khan/RecordRTC/blob/master/LICENSE|MIT}
 * @author {@link https://MuazKhan.com|Muaz Khan}
 * @typedef Whammy
 * @class
 * @example
 * var recorder = new Whammy().Video(15);
 * recorder.add(context || canvas || dataURL);
 * var output = recorder.compile();
 * @see {@link https://github.com/muaz-khan/RecordRTC|RecordRTC Source Code}
 */

/**
 * WhammyRecorder is a standalone class used by {@link RecordRTC} to bring video recording in Chrome. It runs top over {@link Whammy}.
 * @summary Video recording feature in Chrome.
 * @license {@link https://github.com/muaz-khan/RecordRTC/blob/master/LICENSE|MIT}
 * @author {@link https://MuazKhan.com|Muaz Khan}
 * @typedef WhammyRecorder
 * @class
 * @example
 * var recorder = new WhammyRecorder(mediaStream);
 * recorder.record();
 * recorder.stop(function(blob) {
 *     video.src = URL.createObjectURL(blob);
 * });
 * @see {@link https://github.com/muaz-khan/RecordRTC|RecordRTC Source Code}
 * @param {MediaStream} mediaStream - MediaStream object fetched using getUserMedia API or generated using captureStreamUntilEnded or WebAudio API.
 * @param {object} config - {disableLogs: true, initCallback: function, video: HTMLVideoElement, etc.}
 */

/**
 * {@link GetRecorderType} is an inner/private helper for {@link RecordRTC}.
 * @summary It returns best recorder-type available for your browser.
 * @license {@link https://github.com/muaz-khan/RecordRTC/blob/master/LICENSE|MIT}
 * @author {@link https://MuazKhan.com|Muaz Khan}
 * @typedef GetRecorderType
 * @class
 * @example
 * var RecorderType = GetRecorderType(options);
 * var recorder = new RecorderType(options);
 * @see {@link https://github.com/muaz-khan/RecordRTC|RecordRTC Source Code}
 * @param {MediaStream} mediaStream - MediaStream object fetched using getUserMedia API or generated using captureStreamUntilEnded or WebAudio API.
 * @param {object} config - {type:"video", disableLogs: true, numberOfAudioChannels: 1, bufferSize: 0, sampleRate: 0, video: HTMLVideoElement, etc.}
 */

/**
 * {@link RecordRTCConfiguration} is an inner/private helper for {@link RecordRTC}.
 * @summary It configures the 2nd parameter passed over {@link RecordRTC} and returns a valid "config" object.
 * @license {@link https://github.com/muaz-khan/RecordRTC/blob/master/LICENSE|MIT}
 * @author {@link https://MuazKhan.com|Muaz Khan}
 * @typedef RecordRTCConfiguration
 * @class
 * @example
 * var options = RecordRTCConfiguration(mediaStream, options);
 * @see {@link https://github.com/muaz-khan/RecordRTC|RecordRTC Source Code}
 * @param {MediaStream} mediaStream - MediaStream object fetched using getUserMedia API or generated using captureStreamUntilEnded or WebAudio API.
 * @param {object} config - {type:"video", disableLogs: true, numberOfAudioChannels: 1, bufferSize: 0, sampleRate: 0, video: HTMLVideoElement, getNativeBlob:true, etc.}
 */

/**
 * {@link https://github.com/muaz-khan/RecordRTC|RecordRTC} is a WebRTC JavaScript library for audio/video as well as screen activity recording. It supports Chrome, Firefox, Opera, Android, and Microsoft Edge. Platforms: Linux, Mac and Windows. 
 * @summary Record audio, video or screen inside the browser.
 * @license {@link https://github.com/muaz-khan/RecordRTC/blob/master/LICENSE|MIT}
 * @author {@link https://MuazKhan.com|Muaz Khan}
 * @typedef RecordRTC
 * @class
 * @example
 * var recorder = RecordRTC(mediaStream or [arrayOfMediaStream], {
 *     type: 'video', // audio or video or gif or canvas
 *     recorderType: MediaStreamRecorder || CanvasRecorder || StereoAudioRecorder || Etc
 * });
 * recorder.startRecording();
 * @see For further information:
 * @see {@link https://github.com/muaz-khan/RecordRTC|RecordRTC Source Code}
 * @param {MediaStream} mediaStream - Single media-stream object, array of media-streams, html-canvas-element, etc.
 * @param {object} config - {type:"video", recorderType: MediaStreamRecorder, disableLogs: true, numberOfAudioChannels: 1, bufferSize: 0, sampleRate: 0, desiredSampRate: 16000, video: HTMLVideoElement, etc.}
 */

/** @license React v0.20.2
 * scheduler.production.min.js
 *
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

/** @license React v16.13.1
 * react-is.production.min.js
 *
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

/** @license React v17.0.2
 * react-dom.production.min.js
 *
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

/** @license React v17.0.2
 * react.production.min.js
 *
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
