Method and device for decoding and processing video frame

A processing method and video frame technology, applied in the direction of digital video signal modification, television, electrical components, etc., can solve the problems of low video playback accuracy and fluency, and avoid periodic errors in video images and excessive error data, Effects that improve accuracy and fluency

Active Publication Date: 2013-04-10
TENCENT TECH (SHENZHEN) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In short, in the existing technology, errors may occur in the slice header of the video frame, or the frame may be out of order, and the correctness and fluency of video playback are low

Method used

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  • Method and device for decoding and processing video frame
  • Method and device for decoding and processing video frame

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Embodiment Construction

[0021] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0022] The core technical solution of the present invention is: during the decoding process of the currently read-in frame, it includes: analyzing the information of the currently read-in frame, determining the serial number of the frame to be displayed and the serial number of the buffered frame; and then judging whether the serial number of the frame to be displayed is higher than The serial number of the recently displayed frame is small, if it is, then discard the currently read-in frame; otherwise, use the serial number of the frame to be displayed as the serial number of the recently displayed frame, order the decoder to decode the currently read-in frame, and buffer the cache the decoded frame corresponding to the frame number, and display the corresponding decoded frame according to the frame number to be displayed.

[0023] T...

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Abstract

The invention discloses a method and device for decoding and processing a video frame. The device comprises an analyzing module, a serial number determining module and an error judging and processing module. The method includes: in a process for decoding and processing a current read-in frame, analyzing information of the current read-in frame, and determining a serial number of a frame to be displayed and a serial number of a caching frame; judging whether the serial number of the frame to be displayed is smaller than that of a frame displayed recently, on yes judgment, abandoning the current read-in frame; otherwise using the serial number of the frame to be displayed as the serial number of the frame displayed recently, commanding a decoder to decode the current read-in frame, caching a decoding frame corresponding to the serial number of the caching frame, and displaying a corresponding decoding frame according to the serial number of the frame to be displayed. By means of the method and device, data errors can be prevented from being diffused to follow-up decoding procedures and display procedures, and accuracy and fluency of video playing are improved.

Description

technical field [0001] The invention relates to the field of video data processing, in particular to a method and device for decoding and processing video frames. Background technique [0002] In the field of video data processing, with the continuous improvement of video resolution and video decoding complexity, the computational consumption of video decoding continues to increase. Using the central processing unit CPU to perform video decoding consumes a large amount of CPU computing resources, and it may also occur that the CPU computing resources cannot meet the needs of high resolution and high bit rate. [0003] In recent years, in data processing devices such as desktop computers (PCs), notebook computers, and handheld devices, there has been a trend of using a graphics processing unit (GPU) for video decoding. The main reason is that the GPU has a powerful parallel computing function, which is suitable for video decoding, and can easily decode 1080P video with a bit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/26H04N19/89
Inventor 赖晶
Owner TENCENT TECH (SHENZHEN) CO LTD
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