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Apparatus and method for decoding compressed video

A video decoder and video coding technology, used in digital video signal modification, image communication, selective content distribution, etc.

Active Publication Date: 2018-09-25
SQUADEO SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Specifically, the need for certificates and other strong security mechanisms in this environment also places an additional burden on software application developers, who may need to go through an authentication process each time a software application is updated

Method used

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  • Apparatus and method for decoding compressed video
  • Apparatus and method for decoding compressed video
  • Apparatus and method for decoding compressed video

Examples

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Embodiment Construction

[0059] In order to use high quality HD video content on a typical smart device, it is desirable to use a hardware (HW) video decoder available in the smart device. This is due to the fact that a software decoder running on a general purpose processor in a smart device may not have sufficient processing power to decode HD video. A typical system will have a software (SW) video player (usually integrated in the service provider's application) which will employ the platform's HW video decoder to perform the actual decoding of the compressed video stream.

[0060] figure 1 An example of such a system is shown in . Streams of audio and video are delivered from source 100 to software video player 110 . The software video player 110 is a software application that runs on the smart device's general-purpose processor. In software video player 110, audio and video are processed through different processing paths. The audio stream is restored by the audio restoration unit 112 and sen...

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Abstract

A method and apparatus for decoding a compressed video is disclosed. The method comprises scrambling the compressed video, to produce a scrambled compressed video; delivering the scrambled compressed video to a decoder, for decoding the scrambled compressed video to produce a scrambled decompressed video; receiving from the decoder the scrambled decompressed video; and descrambling the scrambled decompressed video, to produce a descrambled decompressed video.

Description

technical field [0001] The present invention relates to the decoding of compressed digital video. Especially relevant to software applications for playing video that perform decoding (decompression) using dedicated hardware decoder devices. Background technique [0002] Video distribution over the Internet is a rapidly growing market. So-called "Internet Television" (OTT) content can be delivered over a broadband Internet connection. Typically, this content is supported by a third party, and the Internet Service Provider (ISP) is only responsible for transporting the underlying Internet Protocol (IP) packets. Specifically, OTT services represent a rapidly growing market. They enable end users to enjoy videos on smart devices such as smartphones and tablets. Recently, there have been many software applications that enable viewing of videos through OTT services. However, most content for these services is limited in quality and resolution - it is usually standard definiti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N21/4405H04N19/42
CPCH04N19/88H04N19/40H04N19/46H04N19/48H04N19/513H04N19/70H04N19/85H04N21/42623H04N21/4405H04N21/4408
Inventor 弗朗西斯科·马丁刘孝波
Owner SQUADEO SAS
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