From f9dd4f3a00efe7581e9bd620a9b968f122090f7a Mon Sep 17 00:00:00 2001 From: undisclosed Date: Sun, 22 Jan 2023 13:50:46 +0000 Subject: [PATCH] Experimentell: JavaScript-Player fuer 'hier spielen' bei Abspiellisten --- www/data/tpl/titel_liste.txt | 2 www/js/app.js | 154 ++++++++++++++++++++++++++++++++++++++++++++++++-- 2 files changed, 147 insertions(+), 9 deletions(-) diff --git a/www/data/tpl/titel_liste.txt b/www/data/tpl/titel_liste.txt index 9e3cd3b..37eba02 100644 --- a/www/data/tpl/titel_liste.txt +++ b/www/data/tpl/titel_liste.txt @@ -2,7 +2,7 @@ <div class='entity-formular'> <ul class='entity-liste'> {{#titel}} - <li class='entity-eintrag' draggable='true'>{{interpret}}: {{titelAnzName}}</li> + <li class='entity-eintrag' draggable='true' data-kat='{{katalogUrl}}' data-pfad='{{pfad}}' data-datei='{{name}}'>{{interpret}}: {{titelAnzName}}</li> {{/titel}} </ul> </div> diff --git a/www/js/app.js b/www/js/app.js index 9b634bb..fa85ba9 100644 --- a/www/js/app.js +++ b/www/js/app.js @@ -7,6 +7,10 @@ //var katUrl; //var selTitel; var katName; + var playingIndex; + var audioCtx; + var playState; // 'pause' oder 'play' oder 'stop' + var audioElem; this.init = function () { self.mediaPfad = '/'; @@ -36,7 +40,7 @@ self.fusszeile_umschalten(); self.seitenleiste_umschalten(); - self.dialog_unten_zeigen(); + self.dialog_unten_zeigen(); }; /* ---------------- Entitaets-Listen ----------------- */ @@ -490,12 +494,43 @@ }; this.kommando = function(kommando) { - var abs = document.querySelector('#abspieler').value; - self.http_get('api/strg/' + abs + '/' + kommando, function(responseText) { - if(kommando !== 'volup' && kommando !== 'voldn') { - self.meldung_mit_timeout(responseText, 1500); + console.log(kommando); + if(self.playingIndex > -1) { + //const audioElements = document.querySelectorAll('.entity-eintrag'); + //const audioElements = document.querySelectorAll("audio"); + //const audioCtx = new (window.AudioContext || window.webkitAudioContext)(); + //const track = self.audioCtx.createMediaElementSource(audioElements[self.playingIndex]); + //track.connect(self.audioCtx.destination); + if(kommando === 'stop') { + self.audioElem.pause(); + self.audioElem.currentTime = 0; + self.audioElem.removeEventListener("ended", self.nextTrack); + self.playingIndex = -1; + self.playState = 'stop'; + } else if(kommando === 'pause') { + if(self.playState === 'pause') { + self.playState = 'play'; + self.audioElem.play(); + } else if(self.playState === 'play') { + self.playState = 'pause'; + self.audioElem.pause(); + } + } else if(kommando === 'play') { + if(self.playingIndex < 0) { + self.nextTrack(); + } else { + self.audioElem.play(); + } + self.playState = 'play'; } - }); + } else { + var abs = document.querySelector('#abspieler').value; + self.http_get('api/strg/' + abs + '/' + kommando, function(responseText) { + if(kommando !== 'volup' && kommando !== 'voldn') { + self.meldung_mit_timeout(responseText, 1500); + } + }); + } }; this.hier_spielen = function() { @@ -530,12 +565,115 @@ // hier noch URL fuer Stream der Abspielliste abrufen // Es muss auch noch die Funktion auf dem Server gabut werden, die // eine Abspielliste als Stream liefert - url = 'Stream fuer Abspielliste ' + lst + ' noch nicht gebaut.'; + //url = 'Stream fuer Abspielliste ' + lst + ' noch nicht gebaut.'; + //self.hier_spielen_liste(); + self.playingIndex = -1; + self.nextTrack(); } - console.log('url: ' + url); + //console.log('url: ' + url); //window.open(url); }; + this.hier_spielen_liste = function() { + const elements = document.querySelectorAll('.entity-eintrag'); + + //var i = 0; + //var ersterTitel; + //elements.forEach(function (element) { + // const attr = element.attributes; + // var titel = host + attr.getNamedItem('data-kat').value + + // attr.getNamedItem('data-pfad').value + attr.getNamedItem('data-datei').value; + // console.log(titel); + // + element.data-pfad + element.data-datei); + // if(i++ === 0) { + // ersterTitel = titel; + // } + //}); + + + // Web Audio API Player ab hier + + //const audioCtx = new (window.AudioContext || window.webkitAudioContext)(); + + //const AudioContext = window.AudioContext || window.webkitAudioContext; + //const audioContext = new AudioContext(); + + // get the audio elements + self.playingIndex = -1; + //const audioElements = document.querySelectorAll("audio"); + + // pass it into the audio context + //const track = audioCtx.createMediaElementSource(audioElements[self.playingIndex]); + //track.connect(audioCtx.destination); + + //audioElements[self.playingIndex].addEventListener( + // "ended", + // () => { + // + // }, + // false + //); + + //audioElements[self.playingIndex].play(); + self.nextTrack(); + }; + + this.nextTrack = function() { + // ... + // mySound = new Audio('sound.mp3'); + // mySound.play() + // const audioElements = document.querySelectorAll("audio"); + const audioElements = document.querySelectorAll('.entity-eintrag'); + + + + if(self.playingIndex > -1) { + self.audioElem.removeEventListener("ended", self.nextTrack); + //audioElements[self.playingIndex].removeEventListener("ended", self.nextTrack); + //const element = audioElements[self.playingIndex]; + //const attr = element.attributes; + //var titel = host + attr.getNamedItem('data-kat').value + + // attr.getNamedItem('data-pfad').value + attr.getNamedItem('data-datei').value; + //const titelElem = new Audio(titel); + } + // <audio class='audio-elem' src='/tango{{katalogUrl}}{{pfad}}{{name}}'></audio> + self.playingIndex++; + if(self.playingIndex < audioElements.length) { + //const element = audioElements[self.playingIndex]; + //const attr = element.attributes; + //var titel = host + attr.getNamedItem('data-kat').value + + // attr.getNamedItem('data-pfad').value + attr.getNamedItem('data-datei').value; + const titel = self.getTitelFromAudioElement(audioElements, self.playingIndex); + console.log("titel: " + titel); + //const titelElem = new Audio(titel); + self.audioElem = new Audio(titel); + + self.audioElem.addEventListener("ended", self.nextTrack); + self.audioCtx = new (window.AudioContext || window.webkitAudioContext)(); + const track = self.audioCtx.createMediaElementSource(self.audioElem); + track.connect(self.audioCtx.destination); + self.audioElem.play(); + self.playState = 'play'; + + + //const audioCtx = new (window.AudioContext || window.webkitAudioContext)(); + } + }; + + this.getTitelFromAudioElement = function(audioElements, index) { + //const audioElements = document.querySelectorAll('.entity-eintrag'); + const host = 'http://' + window.location.host + '/tango'; + const element = audioElements[index]; + const attr = element.attributes; + const titel = host + attr.getNamedItem('data-kat').value + + attr.getNamedItem('data-pfad').value + attr.getNamedItem('data-datei').value; + return titel; + }; + + this.stop_liste_hier = function() { + + }; + this.gehe_zu_dialog_zeigen = function () { self.dialog_laden_und_zeigen('data/tpl/gehe-zu.txt', '', function(){ const form = document.querySelector('form'); -- Gitblit v1.9.3