Turns on picture capture of channel surfaces for this host: registers the default rasterizer. Call it once at startup, BEFORE a realtime session is minted (whether the channel can source a video track is
decided at mint). Hosts opt in: MJ Explorer calls it; an embeddable element calls it only when its flag is set.
Turns on picture capture of channel surfaces for this host: registers the default rasterizer. Call it once at startup, BEFORE a realtime session is minted (whether the channel can source a video track is decided at mint). Hosts opt in: MJ Explorer calls it; an embeddable element calls it only when its flag is set.