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Picture-quality-smaller-loss-oriented RTP video streaming data package recombination method

A video packet and video stream technology, applied in image communication, selective content distribution, electrical components, etc., can solve problems such as unsustainable video analysis, video picture stop, video playback interruption, etc., to ensure fluency and accuracy , prevent distortion and maintain real-time effects

Active Publication Date: 2015-03-25
西安博易智能科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to provide a method for recombining RTP video stream data packets with a small loss of picture quality, which solves the problem of sorting based on serial numbers in the prior art, but in the case of poor network conditions, due to the long Waiting for a certain sequence number of video packets for a long time, the video analysis cannot continue, resulting in the stop of the video screen and the interruption of the video playback, or even the problem of closing

Method used

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  • Picture-quality-smaller-loss-oriented RTP video streaming data package recombination method
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  • Picture-quality-smaller-loss-oriented RTP video streaming data package recombination method

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Embodiment

[0044] Example, assume that there is a section of video stream (including 200 video packets).

[0045] The sequence numbers of the video packets sent by the sending end are 0, 1, 2, 3, 4, 5, 6, ..., 200, and the sequence numbers of the video packets received by the receiving end are 0, 1, 2, 4, 18, 3, 5, 30, 65, 126, 118..., when the receiving end receives the No. 0 video packet, No. 1 video packet, and No. 2 video packet, because the received video packet is equal to the video packet to be decoded (that is, K=M), it directly parses and plays, and then the receiving end receives When the No. 4 video packet is reached, the No. 4 video packet is temporarily stored in the hash table (that is, 0100), clear the hash table cache, use video packet No. 126 as the video packet to be decoded, parse and play, and re-cache; finally receive 118 No. video packet (that is, K-M<0), the difference between K and M is small, it is considered out of order, the video packet is cached, and the next...

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Abstract

The invention discloses a picture-quality-smaller-loss-oriented RTP video streaming data package recombination method. Sequence processing is carried out under ideal conditions; when network signals are instable, four modes are used, wherein the first mode is used if a difference between the serial number of a to-be-analyzed video package and the serial number of a receiving video package is smaller than 15; the second mode is used if a difference between the serial number of the to-be-analyzed video package and the serial number of the receiving video package is larger than or equal to 15 and smaller than or equal to 100; the third mode is used if a difference between the serial number of the to-be-analyzed video package and the serial number of the receiving video package is larger than 100; the fourth mode is used if a difference between the serial number of the to-be-analyzed video package and the serial number of the receiving video package is smaller than 0, and restarting of the serial number of the video packages and reordering of the video packages are distinguished. By means of the method, through classified processing of different conditions of the corresponding serial numbers, online video sorting is rapidly completed under the condition that the network environment is not considered, the playing fluency and the playing accuracy are guaranteed to the maximum degree, and the video sorting efficiency is improved.

Description

technical field [0001] The invention belongs to the technical field of reliable transmission of network video streams, and relates to a method for recombining data packets of RTP video streams for less loss of image quality. Background technique [0002] With the in-depth development of network multimedia technology, real-time live broadcast and video surveillance have become a huge industry. At present, video streaming technology is widely used in all aspects of Internet information services such as Internet multimedia news release, online live broadcast, online advertising, e-commerce, video on demand, distance education, telemedicine, Internet radio, and real-time video conferencing. [0003] Streaming media is a form of streaming audio, video and multimedia files over the network. The streaming media file format is a media format that supports streaming transmission and playback. The streaming transmission method is to divide multimedia files such as video and audio in...

Claims

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Application Information

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IPC IPC(8): H04N21/6437H04N21/647
CPCH04N21/6437H04N21/64776H04N21/64792
Inventor 孙钦东张景鹏尹潇龙王健
Owner 西安博易智能科技有限公司
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