Mercurial > hg > pmhd

<!DOCTYPE html>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js" type="application/javascript"></script>
<script type="application/javascript">

var accessId = 'bc59492a-d127-487b-acb4-c2e4226b34cb';
var taskUrl = 'process/elastique';
var parameters = { blocking: false, format: 'json', access_id: accessId };

// the values for these parameters were taken from the corresponding controls in the demo form
parameters['input_file'] = 'Wake_Me_Up_When September_Ends.mp3';
parameters['pitch_semitones'] = '0';
parameters['tempo_factor'] = '2';
parameters['formant_semitones'] = '0';

function onTaskStarted(data) {
    var fileId = data.file.file_id;

    // request task progress every 500ms
    var polling = setInterval(pollTaskProgress, 500);

    function pollTaskProgress() {
        $.ajax({ url: 'https://api.sonicAPI.com/file/status?file_id=' + fileId + '&access_id=' + accessId + '&format=json',
                 crossDomain: true, success: function(data) {
            if (data.file.status == 'ready') {
                onTaskSucceeded(fileId);
                clearInterval(polling);
            } else if (data.file.status == 'working') {
                $('#result').text(data.file.progress + '% done');
            }
        }});
    }
}

function onTaskSucceeded(fileId) {
    // create HTML5 audio player
    var downloadUrl = 'https://api.sonicAPI.com/file/download?file_id=' + fileId + '&access_id=' + accessId + '&format=mp3-cbr';
    var audio = '<audio src="' + downloadUrl + '" controls="controls" autoplay="autoplay">';

    $('#result').html(audio);
}

function onTaskFailed(response) {
    var data = $.parseJSON(response.responseText);
    var errorMessages = data.errors.map(function(error) { return error.message; });

    $('#result').text('Task failed, reason: ' + errorMessages.join(','));
}

// start task when clicking on the "Start task" button
$(document).ready(function() {
    $('#start').click(function() {
    	// execute an HTTP GET using the task's URL, the parameters and callback functions defined above
        $.ajax({ url: 'https://api.sonicAPI.com/' + taskUrl, data: parameters,
                 success: onTaskStarted, error: onTaskFailed, crossDomain: true });
    });
});
</script>
<input type="button" id="start" value="Start task" />
<div id="result" />
author	Yading Song <yading.song@eecs.qmul.ac.uk>
date	Thu, 31 Oct 2013 13:17:06 +0000
parents	ed610a0bbf83
children