Table of Contents
adv.videoConstraints
wrtc.adv.videoConstraints is a JSON object property used to control what image to get from local camera. You can specify min/max resolutions and framerates.
If undefined system will use camera's default resolution and framerate.
Please note these are just requests - the PC or browser can still decide to deliver some other camera resolution or framerate than requested.
As wrtc.adv.videoConstraints affects the local camera it will affect video quality in all calls.
Not available in Safari browser. Value of wrtc.adv.videoConstraints is ignored by Safari browser. Other browsers may ignore the value too. Most compatible browser is currently Chrome.
Value
JSON object containing any of:
- minWidth: minimum image width, in pixels
- maxWidth: maximum image width, in pixels
- minHeight: minimum image height, in pixels
- maxHeight: maximum image height, in pixels
- minFrameRate: minimum framerate, images per second
- maxFrameRate: maximum framerate, images per second
If not used please set to undefined, not empty object {}.
Default value
undefinded
Usage
After setting wrtc.adv.videoConstraints you must call wrtc.changeMedia()
Example
Request HD camera:
wrtc.adv.videoConstraints = {minWidth:1280,minHeight:720};
wrtc.changeMedia();
