license: Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you 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
Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied. See the License for the
specific language governing permissions and limitations
under the License.
Returns the duration of an audio file.
media.getDuration();
Function media.getDuration is a synchronous function that returns the duration of the audio file in seconds, if known. If the duration is unknown, a value of -1 is returned.
// Audio player
//
var my_media = new Media(src, onSuccess, onError);
// Get duration
var counter = 0;
var timerDur = setInterval(function() {
counter = counter + 100;
if (counter > 2000) {
clearInterval(timerDur);
}
var dur = my_media.getDuration();
if (dur > 0) {
clearInterval(timerDur);
document.getElementById('audio_duration').innerHTML = (dur) + " sec";
}
}, 100);
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>Media Example</title>
<script type="text/javascript" charset="utf-8" src="cordova-x.x.x.js"></script>
<script type="text/javascript" charset="utf-8">
// Wait for Cordova to load
//
document.addEventListener("deviceready", onDeviceReady, false);
// Cordova is ready
//
function onDeviceReady() {
playAudio("http://audio.ibeat.org/content/p1rj1s/p1rj1s_-_rockGuitar.mp3");
}
// Audio player
//
var my_media = null;
var mediaTimer = null;
// Play audio
//
function playAudio(src) {
// Create Media object from src
my_media = new Media(src, onSuccess, onError);
// Play audio
my_media.play();
// Update my_media position every second
if (mediaTimer == null) {
mediaTimer = setInterval(function() {
// get my_media position
my_media.getCurrentPosition(
// success callback
function(position) {
if (position > -1) {
setAudioPosition((position) + " sec");
}
},
// error callback
function(e) {
console.log("Error getting pos=" + e);
setAudioPosition("Error: " + e);
}
);
}, 1000);
}
}
// Pause audio
//
function pauseAudio() {
if (my_media) {
my_media.pause();
}
}
// Stop audio
//
function stopAudio() {
if (my_media) {
my_media.stop();
}
clearInterval(mediaTimer);
mediaTimer = null;
}
// onSuccess Callback
//
function onSuccess() {
console.log("playAudio():Audio Success");
}
// onError Callback
//
function onError(error) {
alert('code: ' + error.code + '\n' +
'message: ' + error.message + '\n');
}
// Set audio position
//
function setAudioPosition(position) {
document.getElementById('audio_position').innerHTML = position;
}
</script>
</head>
<body>
<a href="#" class="btn large" onclick="playAudio('http://audio.ibeat.org/content/p1rj1s/p1rj1s_-_rockGuitar.mp3');">Play Audio</a>
<a href="#" class="btn large" onclick="pauseAudio();">Pause Playing Audio</a>
<a href="#" class="btn large" onclick="stopAudio();">Stop Playing Audio</a>
<p id="audio_position"></p>
</body>
</html>