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POJavascript JQUERY Media Player Duration Issues
 

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    <p>So, I've been working on an mp3 player that doesn't use Flash, just JS, HTML, and CSS. I took some open source code and have been playing with it, however I had to edit it when I started using JSONP to get the "link" of the MP3 file from another website. I had issues getting any of the JS function calls in the HTML to work, so I used JQUERY bind and that fixed everything but duration function and clientx issues. link = foo.mp3</p> <pre><code>function writePlayer(link){ $('&lt;div id=\"main\"&gt;&lt;h2&gt;Episode&lt;/h2&gt;&lt;div id=\"player\"&gt;&lt;input id=\"playButton\" class=\'player_control\' type=\"button\" onClick=\"playClicked(this);\" value=\"&gt;\"&gt;&lt;div id=\"duration\" class=\'player_control\' &gt;&lt;div id=\"duration_background\" onClick=\"durationClicked(event);\"&gt;&lt;div id=\"duration_bar\" class=\'duration_bar\'&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;div id=\"volume_control\" class=\'player_control\' onClick=\"volumeChangeClicked(event);\"&gt;&lt;div id=\"volume_background\"&gt;&lt;div id=\"volume_bar\"&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;&lt;input type=\"button\" class=\'player_control\' id=\"volume_button\" onClick=\"volumeClicked();\" value=\"Vol\"&gt;&lt;/div&gt;&lt;audio id=\"aplayer\" src='+ link +' type=\"audio/mp3\" onTimeUpdate=\"update();\" onEnded=\"trackEnded();\"&gt;&lt;b&gt;Your browser does not support the &lt;code&gt;audio&lt;/code&gt; element. &lt;/b&gt;&lt;/audio&gt;&lt;div id=\"msg\" class=\'output\'&gt;&lt;/div&gt;&lt;div id=\"content\"&gt;&lt;p&gt;&lt;/p&gt;&lt;/div&gt;&lt;/div&gt;&lt;/div&gt;').appendTo('body'); $(document).ready(pageLoaded) $("#playButton").bind('click',playClicked(this)) $("#duration_background").bind('click',durationClicked(event)) $("#volume_control").bind('click',volumeChangeClicked(event)) $("#volume_button").bind('click',volumeClicked(event)) $("#aplayer").bind('timeUpdate',update()) $("#aplayer").bind('ended',trackEnded()) }; var audio_duration; var audio_player; var volume_button; var volume_control; function pageLoaded() { audio_player = document.getElementById("aplayer"); alert(audio_player); volume_button = document.getElementById('volume_button'); volume_control = document.getElementById('volume_control'); //get the duration audio_duration = audio_player.duration; //set the volume set_volume(0.7); } function set_volume(new_volume) { audio_player.volume = new_volume; update_volume_bar(); volume_button.value = "Volume: "+parseInt(new_volume*100); } function update_volume_bar() { new_top = volume_button.offsetHeight - volume_control.offsetHeight; volume_control.style.top = new_top+"px"; volume = audio_player.volume; //change the size of the volume bar wrapper = document.getElementById("volume_background"); wrapper_height = wrapper.offsetHeight; wrapper_top = wrapper.offsetTop; new_height= wrapper_height*volume; volume_bar = document.getElementById("volume_bar"); volume_bar.style.height=new_height+"px"; new_top = wrapper_top + ( wrapper_height - new_height ); volume_bar.style.top=new_top+"px"; } function update(audio_player) { //get the duration of the player dur = audio_player.duration; time = audio_player.currentTime; fraction = time/dur; percent = (fraction*100); wrapper = document.getElementById("duration_background"); new_width = wrapper.offsetWidth*fraction; document.getElementById("duration_bar").style.width=new_width+"px"; } function playClicked(element) { //get the state of the player if(audio_player.paused) { audio_player.play(); newdisplay = "| |"; }else{ audio_player.pause(); newdisplay = "&gt;"; } element.value=newdisplay; } function trackEnded() { //reset the playControl to 'play' document.getElementById("playButton").value="&gt;"; } function volumeClicked(event) { control = document.getElementById('volume_control'); if(control.style.display=="block") { control.style.display="None"; }else{ control.style.display="Block"; update_volume_bar(); } } function volumeChangeClicked(event) { //get the position of the event clientY = event.clientY; offset = event.currentTarget.offsetTop + event.currentTarget.offsetHeight - clientY; volume = offset/event.currentTarget.offsetHeight; set_volume(volume); update_volume_bar(); } function durationClicked(event) { //get the position of the event clientX = event.clientX; left = event.currentTarget.offsetLeft; clickoffset = clientX - left; percent = clickoffset/event.currentTarget.offsetWidth; duration_seek = percent*audio_duration; document.getElementById("aplayer").currentTime=duration_seek; }; &lt;/script&gt; </code></pre> <p>Thank you very much for your help!</p>
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