mjpeg-player: minor changes to xhr-loader and frag-loader

Changes include: using console for logger, import statements, formatting.

cmd/mjpeg-player/hlsjs/loader/fragment-loader.js

@@ -1,19 +1,40 @@
+/*
+AUTHOR
+  Trek Hopton <trek@ausocean.org>
+
+LICENSE
+  This file is Copyright (C) 2020 the Australian Ocean Lab (AusOcean)
+
+  It is free software: you can redistribute it and/or modify them
+  under the terms of the GNU General Public License as published by the
+  Free Software Foundation, either version 3 of the License, or (at your
+  option) any later version.
+
+  It is distributed in the hope that it will be useful, but WITHOUT
+  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+  for more details.
+
+  You should have received a copy of the GNU General Public License in gpl.txt.
+  If not, see http://www.gnu.org/licenses.
+
+  For hls.js Copyright notice and license, see LICENSE file.
+*/
+
 /*
  * Fragment Loader
 */
 
-import Event from '../events';
-import EventHandler from '../event-handler';
-import { ErrorTypes, ErrorDetails } from '../errors';
-import { logger } from '../utils/logger';
+import Event from '../events.js';
+import EventHandler from '../event-handler.js';
 
 class FragmentLoader extends EventHandler {
-  constructor (hls) {
+  constructor(hls) {
     super(hls, Event.FRAG_LOADING);
     this.loaders = {};
   }
 
-  destroy () {
+  destroy() {
     let loaders = this.loaders;
     for (let loaderName in loaders) {
       let loader = loaders[loaderName];
@@ -26,7 +47,7 @@ class FragmentLoader extends EventHandler {
     super.destroy();
   }
 
-  onFragLoading (data) {
+  onFragLoading(data) {
     const frag = data.frag,
       type = frag.type,
       loaders = this.loaders,
@@ -39,7 +60,7 @@ class FragmentLoader extends EventHandler {
 
     let loader = loaders[type];
     if (loader) {
-      logger.warn(`abort previous fragment loader for type: ${type}`);
+      console.warn(`abort previous fragment loader for type: ${type}`);
       loader.abort();
     }
 
@@ -75,7 +96,7 @@ class FragmentLoader extends EventHandler {
     loader.load(loaderContext, loaderConfig, loaderCallbacks);
   }
 
-  loadsuccess (response, stats, context, networkDetails = null) {
+  loadsuccess(response, stats, context, networkDetails = null) {
     let payload = response.data, frag = context.frag;
     // detach fragment loader on load success
     frag.loader = undefined;
@@ -83,7 +104,7 @@ class FragmentLoader extends EventHandler {
     this.hls.trigger(Event.FRAG_LOADED, { payload: payload, frag: frag, stats: stats, networkDetails: networkDetails });
   }
 
-  loaderror (response, context, networkDetails = null) {
+  loaderror(response, context, networkDetails = null) {
     const frag = context.frag;
     let loader = frag.loader;
     if (loader) {
@@ -94,7 +115,7 @@ class FragmentLoader extends EventHandler {
     this.hls.trigger(Event.ERROR, { type: ErrorTypes.NETWORK_ERROR, details: ErrorDetails.FRAG_LOAD_ERROR, fatal: false, frag: context.frag, response: response, networkDetails: networkDetails });
   }
 
-  loadtimeout (stats, context, networkDetails = null) {
+  loadtimeout(stats, context, networkDetails = null) {
     const frag = context.frag;
     let loader = frag.loader;
     if (loader) {
@@ -106,7 +127,7 @@ class FragmentLoader extends EventHandler {
   }
 
   // data will be used for progressive parsing
-  loadprogress (stats, context, data, networkDetails = null) { // jshint ignore:line
+  loadprogress(stats, context, data, networkDetails = null) { // jshint ignore:line
     let frag = context.frag;
     frag.loaded = stats.loaded;
     this.hls.trigger(Event.FRAG_LOAD_PROGRESS, { frag: frag, stats: stats, networkDetails: networkDetails });

cmd/mjpeg-player/hlsjs/utils/xhr-loader.js

@@ -1,24 +1,45 @@
-/**
- * XHR based logger
+/*
+AUTHOR
+  Trek Hopton <trek@ausocean.org>
+
+LICENSE
+  This file is Copyright (C) 2020 the Australian Ocean Lab (AusOcean)
+
+  It is free software: you can redistribute it and/or modify them
+  under the terms of the GNU General Public License as published by the
+  Free Software Foundation, either version 3 of the License, or (at your
+  option) any later version.
+
+  It is distributed in the hope that it will be useful, but WITHOUT
+  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+  for more details.
+
+  You should have received a copy of the GNU General Public License in gpl.txt.
+  If not, see http://www.gnu.org/licenses.
+
+  For hls.js Copyright notice and license, see LICENSE file.
 */
 
-import { logger } from '../utils/logger';
+/**
+ * XHR based loader
+*/
 
 const { performance, XMLHttpRequest } = window;
 
 class XhrLoader {
-  constructor (config) {
+  constructor(config) {
     if (config && config.xhrSetup) {
       this.xhrSetup = config.xhrSetup;
     }
   }
 
-  destroy () {
+  destroy() {
     this.abort();
     this.loader = null;
   }
 
-  abort () {
+  abort() {
     let loader = this.loader;
     if (loader && loader.readyState !== 4) {
       this.stats.aborted = true;
@@ -31,7 +52,7 @@ class XhrLoader {
     this.retryTimeout = null;
   }
 
-  load (context, config, callbacks) {
+  load(context, config, callbacks) {
     this.context = context;
     this.config = config;
     this.callbacks = callbacks;
@@ -40,9 +61,10 @@ class XhrLoader {
     this.loadInternal();
   }
 
-  loadInternal () {
+  loadInternal() {
     let xhr, context = this.context;
     xhr = this.loader = new XMLHttpRequest();
+    window.console.log("load internal xhr: " + context.url);
 
     let stats = this.stats;
     stats.tfirst = 0;
@@ -82,7 +104,7 @@ class XhrLoader {
     xhr.send();
   }
 
-  readystatechange (event) {
+  readystatechange(event) {
     let xhr = event.currentTarget,
       readyState = xhr.readyState,
       stats = this.stats,
@@ -121,11 +143,11 @@ class XhrLoader {
         } else {
           // if max nb of retries reached or if http status between 400 and 499 (such error cannot be recovered, retrying is useless), return error
           if (stats.retry >= config.maxRetry || (status >= 400 && status < 499)) {
-            logger.error(`${status} while loading ${context.url}`);
+            console.error(`${status} while loading ${context.url}`);
             this.callbacks.onError({ code: status, text: xhr.statusText }, context, xhr);
           } else {
             // retry
-            logger.warn(`${status} while loading ${context.url}, retrying in ${this.retryDelay}...`);
+            console.warn(`${status} while loading ${context.url}, retrying in ${this.retryDelay}...`);
             // aborts and resets internal state
             this.destroy();
             // schedule retry
@@ -142,12 +164,12 @@ class XhrLoader {
     }
   }
 
-  loadtimeout () {
-    logger.warn(`timeout while loading ${this.context.url}`);
+  loadtimeout() {
+    console.warn(`timeout while loading ${this.context.url}`);
     this.callbacks.onTimeout(this.stats, this.context, null);
   }
 
-  loadprogress (event) {
+  loadprogress(event) {
     let xhr = event.currentTarget,
       stats = this.stats;