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Video playback method and apparatus

A technology for video playback and video streaming, which is used in digital video signal modification, optical recording/reproduction, television, etc. It can solve the problem of occupying storage units and reduce the need for it.

Inactive Publication Date: 2014-04-16
MEDIATEK INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

If a dedicated frame buffer is specially allocated to buffer the decoding result of the main video stream, another dedicated frame buffer is specially allocated to buffer the decoding result of the secondary video stream, and a dedicated image buffer is specially allocated to buffer the decoding result of the background image data , these buffers result in very large storage locations in storage devices such as memory

Method used

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  • Video playback method and apparatus
  • Video playback method and apparatus
  • Video playback method and apparatus

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Embodiment Construction

[0020] Certain terms are used throughout the specification and following claims to refer to particular components. It should be understood by those skilled in the art that hardware manufacturers may refer to the same component by different terms. This description and the following claims do not use the difference in name as a way to distinguish components, but use the difference in function of components as a criterion for distinguishing. The "comprising" mentioned throughout the specification and subsequent claims is an open term, so it should be interpreted as "including but not limited to". Otherwise, the term "coupled" includes any direct and indirect means of electrical connection. Therefore, if it is described in the text that a first device is coupled to a second device, it means that the first device may be directly electrically connected to the second device, or indirectly electrically connected to the second device through other devices or connection means. .

[0...

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Abstract

An exemplary method for managing a first storage space and a second storage space utilized by a video playback operation includes: during a first time period, accessing the first storage space for data associated with a first processing operation included in the video playback operation, and accessing the second storage space for data associated with a second processing operation included in the video playback operation; and during a second time period, accessing the first storage space and the second storage space for data associated with the first processing operation. The first processing operation is different from the second processing operation. The second storage space is dedicated to buffering data associated with the second processing operation during the first time period.

Description

technical field [0001] The present invention relates to processing data for video playback, in particular to a method for managing a first storage unit and a second storage unit and a video playback device. Background technique [0002] In video playback, a data buffer is usually required to store processed data and / or unprocessed data. Taking the playback of video content provided by a Blu-ray Disc (such as Blu-ray Disc, BD) as an example, the data read from the BD may include a main video stream, a secondary video stream, and background image data, and the background image data may be For example, it is a Joint Photographic Experts Group (JPEG) file. If a dedicated frame buffer is specially allocated to buffer the decoding result of the main video stream, another dedicated frame buffer is specially allocated to buffer the decoding result of the secondary video stream, and a dedicated image buffer is specially allocated to buffer the decoding result of the background image...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G11B19/02G11B7/1381H04N19/17
CPCG11B2020/10759G11B2220/2541G11B20/10527H04N5/76H04N5/917G11B2020/10537
Inventor 胡俊光高仕嵘
Owner MEDIATEK INC
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