METHOD, DEVICE AND SYSTEM FOR MEDIA NEGOTIATION IN MULTI-STREAM MEETING

摘要

The present invention provides a method, a device and a system for media negotiation in a multi-stream meeting. The method comprises: sending a media declaration message, the media declaration message carrying information of at least two media data objects, the information of the media data objects comprising information of at least one real-time meeting picture, and the information of the at least one real-time meeting picture at least comprising media view information ; receiving a media selection message, the media selection message carrying information of a media data object selected by a second media entity; determining a corresponding media data object according to the information of the media data object selected by the second media entity, and establishing a media transmission channel with the second media entity, so as to transmit the corresponding media data object to the second media entity through the media transmission channel. Embodiments of the present invention can represent more media data streams and improve the representation accuracy and information quantity of media data streams.