| 摘要 |
<p>A multimedia communication method and the terminal thereof improve the transmission dependability and the communication quality. Based on the existing real-time transmission protocol RTP, the error resilience real-time transmission protocol ERRTP provides the transport layer encapsulation format carrying the error resilience encoding scheme related information, which makes the multimedia data mark the corresponding error resilience encoding scheme information while the multimedia data is transmitted over the ERRTP, thereby integrates the error resilience mechanism into the transport layer; for the private ERRTP encapsulation method and the adapted scheme for the protocol header information given by H.264 network abstract layer unit NALU architecture, the all NALU header information byte in the same ERRTP packet can be integrated into its header information, thereby the NALU important information is embodied in the ERRTP header information and the transmission efficiency is improved; the extended message mechanism of the H.264 itself is used to bear the QoS report information, a "in band" QoS report mechanism of the high layer protocol is implemented, and the additional overhead for using the channel is avoided.</p> |
