Patent ID: 9467649
Filing Date: 2016-10-11
CPC Classification: H04L,H04N

Claim Text:
1. A method for switching multi-picture on video conference, comprising: a multi-picture switching device generating, according to a user input, a switching control message used for controlling the number of the multi-picture or a layout of the multi-picture, and sending the switching control message to a Multi-Control Unit (MCU) or a video conference terminal; when the switching control message is sent to the MCU, the MCU switching, according to the switching control message, the number of the multi-picture or the layout of the multi-picture of each video conference terminal; and/or, when the switching control message is sent to the video conference terminal, the video conference terminal switching, according to the switching control message, the number of the multi-picture or the layout of the multi-picture of the video conference terminal; wherein the method further comprises: when the multi-picture switching device receives a user input which is used for adding or deleting a sub-picture of a video conference terminal, generating, by a multi-picture assignment element in the multi-picture switching device, a switching control message, and sending the switching control message to the MCU or the video conference terminal, wherein the switching control message carries an adding/deletion instruction, identification information of a video conference terminal of which the sub-picture is to be added/deleted and location information of a to-be-added/deleted sub-picture of the video conference terminal.