stream, err := mediadevices.GetUserMedia(mediadevices.MediaStreamConstraints{
Video: func(constraint *mediadevices.MediaTrackConstraints) {
// Query for ideal resolutions
constraint.Width = prop.Int(600)
constraint.Height = prop.Int(400)
},
})
if err !=nil {
fmt.Pritnln("err:",err) // err: failed to open device: failed to connect filters
return
}