Patent ID: 11863600
Assignee: DROPBOX, INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 1:
2. The method of claim 1, further comprising:
receiving, from a first client device of the plurality of client devices, drawing instructions for recreating a first annotation performed, at the first client device, on a particularframe of the plurality of video frames; and
transmitting, to each client device of the plurality of client devices other than the particular client device, the drawing instructions,
wherein each client device in synchronous mode is configured to draw, in real-time, based on the drawing instructions, the first annotation on the particular frame displayed at each client device, and
wherein each client device in the asynchronous mode is configured to draw the first annotation on the particular frame when the particularframe is played back in other than real time and independent of the session, the first annotation being drawn on the particularframe using the state information recorded local to each client device in the asynchronous mode.