Method, device and system for transmitting video data

Abstract

The invention includes following steps: first, carrying out compressed encoding process for video data to be transmitted so as to obtain multiple data blocks after encoding process; then, carrying out error correction coding process for the said multiple data blocks to obtain corresponding checking blocks; finally, carrying out interlacing process for the said data blocks and the checking blocks, as well as packing, packaging, and transmitting the interlaced data blocks and checking blocks. In the invention, since it is lower correlativity between data blocks packaged in same or successive interlaced data packets, thus even if packet loss occurs in the transmission, the possibility that the receiving end is unable to decode the received data is reduced greatly. The invention raises quality for transferring video data through IP network, wireless network etc, where packet loss exists.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to an implementation scheme of video data transmission. Background technique [0002] With the rapid development of mobile communication systems and IP networks, video communication is gradually becoming one of the main services of communication. ITU-T (International Telecommunication Union) has formulated video compression standards such as H.261, H.263, H.263+ and H.264. Wherein, the H.264 video compression coding standard has gradually become a mainstream standard in multimedia communication. The H.264 standard can more effectively improve video coding efficiency and its adaptability to networks. [0003] Since on the IP network, corresponding multimedia real-time applications such as video and audio are basically transmitted using the RTP protocol, therefore, when data based on encoding standards such as H.264 is transmitted on the IP network, RTP (real-time transport p...

AI Technical Summary

Problems solved by technology

[0010] However, in the above video data transmission process, the anti-packet loss processing strategy is not adopted

In this way, when packet loss occurs, it is likely that the receiving end will not be able to decode, so that the corresponding reconstructed video data cannot be obtained

Therefore, in the IP network, the video data transmission processing scheme provided in the prior art cannot guarantee the transmission quality of the video data at all.

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