Video transcoding method and device and system

A video transcoding and encoding technology, applied in the field of Internet video processing

Inactive Publication Date: 2016-08-24
LETV CLOUD COMPUTING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

When performing high-resolution video live broadcast and offline transcoding, the transcoding server is often under a high load

Method used

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  • Video transcoding method and device and system
  • Video transcoding method and device and system
  • Video transcoding method and device and system

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Embodiment Construction

[0040] The implementation of the present invention will be described in detail below with reference to the drawings and examples, so as to fully understand and implement the implementation process of how to use technical means to solve technical problems and achieve technical effects in the present invention.

[0041] In a typical configuration, a computing device includes one or more processors (CPUs), input / output interfaces, network interfaces, and memory.

[0042] Memory may include non-permanent storage in computer readable media, in the form of random access memory (RAM) and / or nonvolatile memory such as read only memory (ROM) or flash RAM. Memory is an example of computer readable media.

[0043] Computer-readable media, including both permanent and non-permanent, removable and non-removable media, can be implemented by any method or technology for storage of information. Information may be computer readable instructions, data structures, modules of a program, or other...

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Abstract

The invention discloses a video transcoding method and device and a system. A graphics processor GPU is used to decode an input code stream to acquire decoded input code stream. A central processing unit CPU is used to analyze the decoded input code stream to acquire macroblock information needed by coding; and according to the macroblock information needed by coding, the central processing unit CPU is used to code the decoded input code stream according to a target code rate. GPU decoding is used to save CPU resources. Code stream analyzing is carried out on the decoded stream. Without affecting the transcoding quality, the overall transcoding speed is improved. Transcoding CPU resources are saved.

Description

technical field [0001] The invention belongs to the technical field of Internet video processing, and in particular relates to a video transcoding method, device and system. Background technique [0002] At present, with the development of Internet video and hardware equipment, the cost of making videos is getting lower and lower, and the quality requirements for videos are also increasing. The resolution of video is getting bigger and bigger, and high-definition (1080P, 1920x1080) and even ultra-clear (4K, 3840x2160) are becoming more and more common. For the video transcoding industry, the pressure of video transcoding is also increasing. When performing high-resolution video live broadcast and offline transcoding, the transcoding server is often under a high load. How to make more effective use of hardware resources on the existing transcoding server to increase the transcoding speed is a common topic in the industry. Contents of the invention [0003] In view of thi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N19/40H04N19/176
CPCH04N19/40
Inventor 吕超魏伟白茂生
Owner LETV CLOUD COMPUTING CO LTD
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