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Video data processing using ring buffers

A ring buffer, video technology, applied in the field of video encoding and decoding, can solve problems such as packet loss, bit stream decoding errors, real-time video transmission, etc.

Active Publication Date: 2016-11-16
CYBROOK INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, during transmission or storage of a video bitstream, packet loss or other errors may occur, resulting in errors in the decoding of said bitstream
It is also common for the available channel bandwidth to change from time to time, causing problems for real-time video transmission

Method used

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  • Video data processing using ring buffers
  • Video data processing using ring buffers
  • Video data processing using ring buffers

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Embodiment Construction

[0041] Digital video can be used for entertainment, video conferencing, advertising and generally information sharing. User expectations for digital video quality will be high, as users expect the same high spatial and temporal quality of video broadcast over the limited-bandwidth shared Internet as video broadcast over dedicated cable channels. For example, digital video coding compresses the bit stream of digital video to allow high-quality digital video transmission over networks with limited bandwidth. For example, digital video quality can be defined as the degree to which the output decompressed and decoded digital video matches the input digital video.

[0042] Video encoding and decoding integrates various technologies to compress and decompress digital video streams, so that high-quality digital video streams can be transmitted in networks with limited bandwidth capabilities. These techniques may process a digital video stream into a series of digital data blocks, pr...

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PUM

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Abstract

The present invention discloses a system, method and apparatus for decoding and encoding a multi-frame video stream using a ring buffer. During decoding, the decoder can receive data packets from the encoder and store them in a ring buffer. The ring buffer may store the data packet to a packet that contains the complete frame. In the case of retransmission of data packets, storing multiple partial or complete frames in the ring buffer, and the forward error correction is allowed to proceed by efficiently aggregating the complete frame and the waiting time is reduced as possible.

Description

technical field [0001] The present invention relates to video encoding and decoding, and more particularly, to video encoding and decoding using ring buffers. Background technique [0002] A digital video bitstream can be encoded to effectively compress the video into a digital bitstream that can be stored on a non-transitory digital medium or streamed over a limited bandwidth communication channel. However, during transmission or storage of the video bit stream, packet loss or other errors may occur, resulting in errors in decoding the bit stream. It is also not uncommon for the available channel bandwidth to change from time to time, causing problems for real-time video transmission. Contents of the invention [0003] With this in mind, the present invention discloses various aspects of systems, methods, and devices for decoding a video bitstream with a computing device, including: [0004] In a ring buffer, receiving one or more data packets associated with a pluralit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/89H04N19/37H04L29/06H04L47/32
CPCH04N19/37H04N19/89H04L65/75H04L65/65H04L65/70H04N21/44004H04N19/172H04N19/107H04N19/166H04N19/188H04L1/0045H04N19/44H04L47/32
Inventor 谷群山
Owner CYBROOK INC