Video Parameters

Resolution, FPS, effects, self preview, mute video, PTZ, codec, buffer, broadcast, scale

They are separated in three groups: general options (push and view), source side (push) options and viewer side (view) options.

If you want to change the bitrate: Video Bitrate Parameters

General options

You can add them to both, source (&push) and viewer (&view, &scene or &solo) sides.

Parameter	Explanation
&blind	Video playback is disabled

Source side options

You have to add them to the source side (&push).

Parameter	Explanation
&quality	Presets the quality setting for a guest
&width	Sets the maximum width of the video allowed in pixels
&height	Sets the maximum height of the video allowed in pixels
&aspectratio	Changes the aspect ratio on the publisher side
&contenthint	=motion prioritizes resolution; =detail prioritizes frame rate
&mediasettings	Adds the option to change the video and audio settings dynamically via the settings menu
&noscale	Disables the publishing resolution from being capped
&fps	Sets the maximum frame rate of the video in frames per second
&maxframerate	Like &fps, except it will allow for lower frame rates if the specific frame rate requested failed
&effects	Applies effects to the video/audio feeds
&effectvalue	Sets the amount of blur or effect applied
&imagelist	Can be used to pass a list of background images via the URL
&avatar	Adds the ability to select an image, instead of a video device
&fullscreen	The preview video will be fullscreen
&showpreview	Forces the guest to have a self-preview
&minipreview	Mini self-preview at the top right corner
&minipreviewoffset	Used to position where the mini preview is located by default on screen
&largepreview*	Will disable the mini-preview functionality
&nopreview	Disables the local self-preview
&hideguest	Has a guest join a room not visible to others
&videomute	Auto mutes guest's video
&ptz	Enables pan/tilt control of the device, if compatible
&webp	Custom video codec for broadcasts
&webpquality	Quality setting for the &webp option

*NEW IN VERSION 24

Viewer side options

You have to add them to the viewer side (&room or &view, &sceneor &solo).

Parameter	Explanation
&scale	Scales the video resolution of the inbound video by the given percent
&dpi	Overrides the automatically selected Device Pixel Ratio
&sharper	Should 'up to' double the amount of playback video resolution
&viewwidth	Does the same thing as &scale but you pass the width in pixels
&viewheight	Does the same thing as &scale but you pass the height in pixels
&codec	Sets the codec to encode the video
&h264profile	OpenH264 software encoding will be used
&buffer	Sets the video buffer
&buffer2	Same as &buffer, but instead includes the round-trip-time
&fadein	Has videos fade in smoothly
&broadcast	A useful flag to allow the director to present their own video to the group, often used in conjunction with a virtual webcam or Meshcast. It allows for larger groups rooms by reducing load on guests
&directoronly	A useful flag to allow the director to present their own video to the group, often used in conjunction with a virtual webcam or Meshcast. It allows for larger groups rooms by reducing load on guests
&showonly	Only shows any stream ID that is listed
&novideo	Disables all video playback on the local computer
&nodirectorvideo*	Disables all video playback from room directors
&slideshow	Plays video back as a series of full-window images

*NEW IN VERSION 24

Related

Video Bitrate Parameters