MediaStreamAPI - 字典 MediaTrackCapabilities
MediaStreamAPI - Dictionary MediaTrackCapabilities
阅读this文章我看到可以看到输入设备的能力。很遗憾,我无法访问它。
var video = document.querySelector('video');
var constraints = window.constraints = {
audio: true,
video: true
};
var errorElement = document.querySelector('#errorMsg');
navigator.mediaDevices.getUserMedia(constraints)
.then(function(stream) {
var videoTracks = stream.getVideoTracks();
//console.log('Got stream with constraints:', constraints);
console.log('Using video device: ' + videoTracks[0].label);
var audioTracks = stream.getAudioTracks();
audioTracks.getCapabilities();//xxxx
//...
那么,我可以假设没有实现吗?
阅读this文章我看到可以看到输入设备的能力。很遗憾,我无法访问它。
var video = document.querySelector('video');
var constraints = window.constraints = {
audio: true,
video: true
};
var errorElement = document.querySelector('#errorMsg');
navigator.mediaDevices.getUserMedia(constraints)
.then(function(stream) {
var videoTracks = stream.getVideoTracks();
//console.log('Got stream with constraints:', constraints);
console.log('Using video device: ' + videoTracks[0].label);
var audioTracks = stream.getAudioTracks();
audioTracks.getCapabilities();//xxxx
//...
那么,我可以假设没有实现吗?