Video coding and network transmission method and video forwarding server

A technology of network transmission and video encoding, applied in the field of multimedia signal processing, which can solve problems such as poor network bandwidth, poor user experience, and low video quality

Active Publication Date: 2013-12-25
高前文
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage is that the code stream can only adapt to the worst network band

Method used

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  • Video coding and network transmission method and video forwarding server
  • Video coding and network transmission method and video forwarding server
  • Video coding and network transmission method and video forwarding server

Examples

Experimental program
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Embodiment 1

[0084] Such as image 3 As shown, this embodiment discloses a video encoding and network transmission method. The video coding and network transmission method comprises steps:

[0085] Encode each frame of image; generate a reference stream according to the preset display system; define the minimum bandwidth that can play the reference stream smoothly as the reference bandwidth;

[0086] Divide the time required to send a single frame into 4 time segments, and set 4 different frame loss scenarios for each time segment, and each scenario corresponds to a sending code stream; if the time required to send a single frame with real-time bandwidth If the time required to send a single frame is greater than the reference bandwidth, the corresponding scene will be automatically matched according to the time zone in which the real-time bandwidth sends a single frame; otherwise, the reference stream will be transmitted externally.

[0087] If the sender sends more than half of s out b...

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PUM

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Abstract

The invention discloses a video coding and network transmission method and a video forwarding server. The video coding and network transmission method comprises the steps of A, carrying out coding on each frame of image, generating standard code stream according to preset display standards, the lowest bandwidth capable of playing the standard code stream smoothly is defined as a standard bandwidth; B, judging real-time bandwidths, dissociating at least one frame image from the frame images displayed by the standard code stream each second by adopting the mode of dropping frames initiatively if the real-time bandwidths are lower than the standard bandwidth, generating sending code stream transmitted outwards, adding at least one frame of image data from the dissociated frame data by adopting an initiative frame adding mode if real-time bandwidth is increased after the frames are dissociated, and transmitting the standard code stream outwards if the real-time bandwidths are larger than or equal to the standard bandwidth. According to the video coding and network transmission method and the video forwarding server, the image quality of each frame is not lowered, the smooth displaying of videos can be guaranteed, therefore, the video quality of different bandwidth situations can be improved, and extra communication cost cannot be increased.

Description

technical field [0001] The present invention relates to the field of multimedia signal processing, and more specifically, relates to a video coding and network transmission method and a video forwarding server. Background technique [0002] The main problem that needs to be considered in the Internet video transmission system is the problem of bandwidth usage. The large bandwidth occupation of video data and the limited network bandwidth have always been the key bottlenecks restricting the Internet video transmission system. The quality of service (QoS: Quality of Service) of the Internet can basically satisfy ordinary small data business processing, but it cannot effectively guarantee the end-to-end transmission process of video big data. For video transmission with certain real-time requirements, it must be solved Problems such as delay, jitter and packet loss of IP network in the process of Internet video data transmission. [0003] In the Internet network environment, v...

Claims

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Application Information

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IPC IPC(8): H04N21/2343H04N21/238H04N21/438H04N21/643H04N21/647
Inventor 史方王为
Owner 高前文
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