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demo-en.html
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<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0"/>
<meta name="format-detection" content="telephone=no"/>
<title>AMR decode/encode tests</title>
</head>
<body>
<h1>AMR Recorder Demo</h1>
<h2>Decode & Play</h2>
<div id="player-amr">
<p>
Load demo file: <button id="amr-load">Load & Decode</button>
Download demo file: <a href="res/mario.amr">mario.amr</a>
</p>
<p>
Load a local file: <input type="file" id="amr-file" accept=".amr"> (The file will NOT be uploaded anywhere.)
</p>
<p>
<button id="amr-play" disabled>Play</button>
<button id="amr-stop" disabled>Stop</button>
<input id="amr-progress" type="range" min="0" max="1" step="any" value="0" disabled>
<label for="amr-progress">
<span id="amr-cur">0'</span>
<span>/</span>
<span id="amr-duration">0'</span>
</label>
</p>
</div>
<h2>Record & Encode</h2>
<div id="recorder-amr">
<p>
<button id="amr-record">Start Record</button> (The track will NOT be uploaded anywhere.)
</p>
<p>
<button id="amr-play-record" disabled>Play the record</button>
<a href="#" id="amr-down-record"><!--Download recorded AMR file--></a>
<span id="amr-record-duration">0'</span>
</p>
</div>
<script src="./BenzAMRRecorder.js"></script>
<!--suppress ES6ModulesDependencies, ES6ConvertVarToLetConst -->
<script>
(function () {
function E(selector) {
return document.querySelector(selector);
}
/**** Decode & Play ****/
var amr;
var loadDemoBtn = E('#amr-load');
var loadAmrFile = E('#amr-file');
var playBtn = E('#amr-play');
var stopBtn = E('#amr-stop');
var progressCtrl = E('#amr-progress');
var isDragging = false;
var cur = E('#amr-cur');
var duration = E('#amr-duration');
setInterval(function () {
if (amr) {
cur.innerHTML = amr.getCurrentPosition().toFixed(2) + '\'';
if (!isDragging) {
progressCtrl.value = amr.getCurrentPosition().toFixed(2);
}
} else {
cur.innerHTML = '0\'';
}
}, 10);
loadDemoBtn.onclick = function() {
amr = new BenzAMRRecorder();
loadDemoBtn.setAttribute('disabled', true);
loadAmrFile.setAttribute('disabled', true);
playBtn.setAttribute('disabled', true);
stopBtn.setAttribute('disabled', true);
progressCtrl.setAttribute('disabled', true);
amr.initWithUrl('./res/mario.amr').then(function () {
loadDemoBtn.removeAttribute('disabled');
loadAmrFile.removeAttribute('disabled');
playBtn.removeAttribute('disabled');
stopBtn.removeAttribute('disabled');
progressCtrl.removeAttribute('disabled');
progressCtrl.setAttribute('max', amr.getDuration());
duration.innerHTML = amr.getDuration().toFixed(2) + '\'';
});
// Bind Events
amr.onPlay(function () {
console.log('Event: play');
playBtn.innerHTML = 'Pause';
});
amr.onStop(function () {
console.log('Event: stop');
playBtn.innerHTML = 'Play';
});
amr.onPause(function () {
console.log('Event: pause');
playBtn.innerHTML = 'Resume';
});
amr.onResume(function () {
console.log('Event: resume');
playBtn.innerHTML = 'Pause';
});
amr.onEnded(function () {
console.log('Event: ended');
playBtn.innerHTML = 'Play';
});
amr.onAutoEnded(function () {
console.log('Event: autoEnded');
});
amr.onStartRecord(function () {
console.log('Event: startRecord');
});
amr.onFinishRecord(function () {
console.log('Event: finishRecord');
});
amr.onCancelRecord(function () {
console.log('Event: cancelRecord');
});
};
playBtn.onclick = function () {
amr.playOrPauseOrResume();
};
stopBtn.onclick = function () {
amr.stop();
};
progressCtrl.onmousedown = function () {
isDragging = true;
};
progressCtrl.onmouseup = function () {
isDragging = false;
};
progressCtrl.onchange = function (e) {
amr.setPosition(e.target.value);
};
loadAmrFile.onchange = function() {
amr = new BenzAMRRecorder();
loadDemoBtn.setAttribute('disabled', true);
loadAmrFile.setAttribute('disabled', true);
playBtn.setAttribute('disabled', true);
amr.initWithBlob(this.files[0]).then(function () {
loadDemoBtn.removeAttribute('disabled');
loadAmrFile.removeAttribute('disabled');
playBtn.removeAttribute('disabled');
duration.innerHTML = amr.getDuration().toFixed(2) + '\'';
});
// Bind Events
amr.onPlay(function () {
console.log('Event: play');
playBtn.innerHTML = 'Stop';
});
amr.onStop(function () {
console.log('Event: stop');
playBtn.innerHTML = 'Play';
});
amr.onEnded(function () {
console.log('Event: ended');
playBtn.innerHTML = 'Play';
});
amr.onAutoEnded(function () {
console.log('Event: autoEnded');
});
amr.onStartRecord(function () {
console.log('Event: startRecord');
});
amr.onFinishRecord(function () {
console.log('Event: finishRecord');
});
amr.onCancelRecord(function () {
console.log('Event: cancelRecord');
});
};
/***** Record & Encode *****/
var amrForRecorder;
var recordBtn = E('#amr-record');
var playRecordBtn = E('#amr-play-record');
var downRecordLink = E('#amr-down-record');
var recordDuration = E('#amr-record-duration');
recordBtn.onclick = function () {
if (amrForRecorder && amrForRecorder.isRecording()) {
recordBtn.innerHTML = 'Start Record';
playRecordBtn.removeAttribute('disabled');
amrForRecorder.finishRecord().then(() => {
downRecordLink.href = window.URL.createObjectURL(amrForRecorder.getBlob());
downRecordLink.innerHTML = 'Download recorded AMR file';
recordDuration.innerHTML = amrForRecorder.getDuration().toFixed(2) + '\'';
});
} else {
recordBtn.innerHTML = 'Stop Record';
playRecordBtn.setAttribute('disabled', true);
amrForRecorder = new BenzAMRRecorder();
amrForRecorder.initWithRecord().then(() => {
amrForRecorder.startRecord();
}).catch(function(e) {
alert(e.message || e.name || JSON.stringify(e));
});
// 绑定事件
amrForRecorder.onPlay(function () {
console.log('Recorder Event: play');
playRecordBtn.innerHTML = 'Stop Playing';
});
amrForRecorder.onStop(function () {
console.log('Recorder Event: stop');
playRecordBtn.innerHTML = 'Play Record';
});
amrForRecorder.onEnded(function () {
console.log('Recorder Event: ended');
playRecordBtn.innerHTML = 'Play Record';
});
amrForRecorder.onAutoEnded(function () {
console.log('Recorder Event: autoEnded');
});
amrForRecorder.onStartRecord(function () {
console.log('Recorder Event: startRecord');
recordBtn.innerHTML = 'Stop Record';
});
amrForRecorder.onFinishRecord(function () {
console.log('Recorder Event: finishRecord');
recordBtn.innerHTML = 'Start Record';
});
amrForRecorder.onCancelRecord(function () {
console.log('Recorder Event: cancelRecord');
recordBtn.innerHTML = 'Start Record';
});
}
};
playRecordBtn.onclick = function () {
if (amrForRecorder.isPlaying()) {
amrForRecorder.stop();
} else {
amrForRecorder.play();
}
};
})();
</script>
</body>
</html>