Questions tagged [mediadevices]
148 questions
15
votes
1 answer
Check if browser/platform support screen capturing via `getDisplayMedia`
We can request a media stream to a screen or windows via navigator.mediaDevices.getDisplayMedia(). However, this immediately prompts the user to decide which kind of capturing to use. I need to check if the browser/platform even support screen…
Lukas Kalbertodt
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15
votes
5 answers
getUserMedia - how to detect if the device actually has a camera
I'm playing with the html5/javascript getUserMedia api to write a js app that will use the device's camera if available. I'm using Modernizr to detect the capability (of the browser) like this:
if (Modernizr.getusermedia) {
And within the true…
Nathan Russell
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11
votes
2 answers
What camera communication standards are used by Navigator.MediaDevices.getUserMedia()?
Does anyone know what communication standards are being used to detect camera hardware for use with getUserMedia?
I presume that it's MTP or something like that, although I expect that the implementation is different for each browser/OS, but I've…
Nanhydrin
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8
votes
4 answers
MediaDevices.getUserMedia() How can I set audio constraints (sampling rate/bit depth)?
With browser Web API, I'd like to set MediaDevices.getUserMedia constraints attributes, suitable to record audio speech (voice messages), e.g. setting these parameters:
mono
16bit
16KHz
Here my code:
const mediaStreamConstraints = {
…
Giorgio Robino
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8
votes
2 answers
How to get a media stream of the speaker's output to transfer it over the network or record it?
I'm trying to get the output of the speaker and then do what ever I want with this stream .
I tried to use this to get the speaker's stream:
var mySpeakerStream = new MediaStream();
navigator.mediaDevices.getUserMedia({audio: {deviceId : {exact:…
Albaraa Alshahhoud
- 153
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6
votes
1 answer
MediaDevices.enumerateDevices() is not showing all the media devices when accessing via file protocol?
My index.html to list all media devices is