Methods and systems for routing video in conferencing are disclosed. A device receives one or more data streams from a media source, where each data stream associated with a data stream identifier. A media source identifier is assigned to each data stream from the media source. The data stream identifiers are mapped to the media source identifiers. At least one of the data streams may be modified by replacing an associated data stream identifier with the media source identifier. The modified data streams are provided to a destination device. A request is received from a destination device for data streams associated with a media source identifier. One or more data stream identifiers are associated with the requested media source identifier. The one or more data streams may be associated with Application sharing/Desktop Sharing, a video quality, a video resolution, a video frame rate, or an audio quality.