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I caught a net example in Javascript that captures audio from the device and with a button on the page it is possible to record audio and export it:
In this code follows we have the buttons:
<button onclick="startRecording(this);">record</button>
<button onclick="stopRecording(this);" disabled>stop</button>
From them will command to startRecording to start recording
function startRecording(button) {
recorder && recorder.record();
button.disabled = true;
button.nextElementSibling.disabled = false;
__log('Recording...');
}
and stopRecording to stop recording
function stopRecording(button) {
recorder && recorder.stop();
button.disabled = true;
button.previousElementSibling.disabled = false;
__log('Stopped recording.');
// create WAV download link using audio data blob
createDownloadLink();
//recorder.clear();
}
In this Function has a call to the function createDownloadLink() that as far as I understood should create a link to download the previously recorded audio
and that’s the problem, the link is not creating.
function createDownloadLink() {
recorder && recorder.exportWAV(function (blob) {
var url = URL.createObjectURL(blob);
var li = document.createElement('li');
var au = document.createElement('audio');
var hf = document.createElement('a');
au.controls = true;
au.src = url;
hf.href = url;
hf.download = new Date().toISOString() + '.wav';
hf.innerHTML = hf.download;
li.appendChild(au);
li.appendChild(hf);
recordingslist.appendChild(li);
});
}
How to enable the link to download the audio when you click Stop?
you already have the Base64 of the generated file?
– Danilo Pádua
I don’t have, how it would be and what it’s for?
– BSilva
What is the value of var url? Do you already have it? If you have just create a tag to download.
– Danilo Pádua
I debugged now and when it arrives at stopRecording / createDownloadLink();' nor does it enter 'Function createDownloadLink()'. but I put the mouse over the URL.cre... and the path "http://localhost:59564/example_simple_exportwav.html" appears and the result of this error link: Most likely causes: * The specified directory or file does not exist on the Web server. * The URL contains a typographical error. * A custom filter or module, such as Scan URL, restricts access to the file.
– BSilva