The MediaStreamTrackAudioSourceOptions
dictionary's mediaStreamTrack
property must contain a
reference to the MediaStreamTrack
from which the
MediaStreamTrackAudioSourceNode
being created using the
MediaStreamTrackAudioSourceNode()
constructor.
Syntax
mediaStreamTrackAudioSourceOptions = {
mediaStreamTrack: audioSourceTrack;
}
mediaStreamTrackAudioSourceOptions.mediaStreamTrack = audioSourceTrack;
Value
A MediaStreamTrack
from which the audio output of the new
MediaStreamTrackAudioSourceNode
will be taken.
Example
This example uses getUserMedia()
to obtain
access to the user's camera, then creates a new
MediaStreamAudioSourceNode
from the first audio track provided by the
device.
let audioCtx = new (window.AudioContext || window.webkitAudioContext)();
if (navigator.mediaDevices.getUserMedia) {
navigator.mediaDevices.getUserMedia (
{
audio: true,
video: false
}).then(function(stream) {
let options = {
mediaStreamTrack: stream.getAudioTracks()[0];
}
let source = new MediaStreamTrackAudioSourceNode(audioCtx, options);
source.connect(audioCtx.destination);
}).catch(function(err) {
console.log('The following gUM error occurred: ' + err);
});
} else {
console.log('new getUserMedia not supported on your browser!');
}
Specifications
Specification | Status | Comment |
---|---|---|
Unknown The definition of 'MediaStreamTrackAudioSourceOptions.mediaStream' in that specification. |
Working Draft |
Browser compatibility
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