yanchengPowerSupply/node_modules/videojs-contrib-hls/es5/reload-source-on-error.js

134 lines
3.7 KiB
JavaScript

'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
var _videoJs = require('video.js');
var _videoJs2 = _interopRequireDefault(_videoJs);
var defaultOptions = {
errorInterval: 30,
getSource: function getSource(next) {
var tech = this.tech({ IWillNotUseThisInPlugins: true });
var sourceObj = tech.currentSource_;
return next(sourceObj);
}
};
/**
* Main entry point for the plugin
*
* @param {Player} player a reference to a videojs Player instance
* @param {Object} [options] an object with plugin options
* @private
*/
var initPlugin = function initPlugin(player, options) {
var lastCalled = 0;
var seekTo = 0;
var localOptions = _videoJs2['default'].mergeOptions(defaultOptions, options);
player.ready(function () {
player.trigger({ type: 'usage', name: 'hls-error-reload-initialized' });
});
/**
* Player modifications to perform that must wait until `loadedmetadata`
* has been triggered
*
* @private
*/
var loadedMetadataHandler = function loadedMetadataHandler() {
if (seekTo) {
player.currentTime(seekTo);
}
};
/**
* Set the source on the player element, play, and seek if necessary
*
* @param {Object} sourceObj An object specifying the source url and mime-type to play
* @private
*/
var setSource = function setSource(sourceObj) {
if (sourceObj === null || sourceObj === undefined) {
return;
}
seekTo = player.duration() !== Infinity && player.currentTime() || 0;
player.one('loadedmetadata', loadedMetadataHandler);
player.src(sourceObj);
player.trigger({ type: 'usage', name: 'hls-error-reload' });
player.play();
};
/**
* Attempt to get a source from either the built-in getSource function
* or a custom function provided via the options
*
* @private
*/
var errorHandler = function errorHandler() {
// Do not attempt to reload the source if a source-reload occurred before
// 'errorInterval' time has elapsed since the last source-reload
if (Date.now() - lastCalled < localOptions.errorInterval * 1000) {
player.trigger({ type: 'usage', name: 'hls-error-reload-canceled' });
return;
}
if (!localOptions.getSource || typeof localOptions.getSource !== 'function') {
_videoJs2['default'].log.error('ERROR: reloadSourceOnError - The option getSource must be a function!');
return;
}
lastCalled = Date.now();
return localOptions.getSource.call(player, setSource);
};
/**
* Unbind any event handlers that were bound by the plugin
*
* @private
*/
var cleanupEvents = function cleanupEvents() {
player.off('loadedmetadata', loadedMetadataHandler);
player.off('error', errorHandler);
player.off('dispose', cleanupEvents);
};
/**
* Cleanup before re-initializing the plugin
*
* @param {Object} [newOptions] an object with plugin options
* @private
*/
var reinitPlugin = function reinitPlugin(newOptions) {
cleanupEvents();
initPlugin(player, newOptions);
};
player.on('error', errorHandler);
player.on('dispose', cleanupEvents);
// Overwrite the plugin function so that we can correctly cleanup before
// initializing the plugin
player.reloadSourceOnError = reinitPlugin;
};
/**
* Reload the source when an error is detected as long as there
* wasn't an error previously within the last 30 seconds
*
* @param {Object} [options] an object with plugin options
*/
var reloadSourceOnError = function reloadSourceOnError(options) {
initPlugin(this, options);
};
exports['default'] = reloadSourceOnError;
module.exports = exports['default'];