Subtitle plug-in segmentation rendering method

A subtitle and plug-in technology, applied in the field of subtitle plug-in segment rendering, can solve the problems of occupying memory and time-consuming preparation work, and achieve the effect of reducing unavailability, good real-time performance, and reducing a large amount of occupation for a long time.

Inactive Publication Date: 2012-10-17
CHINA DIGITAL VIDEO BEIJING
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  • Abstract
  • Description
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Problems solved by technology

[0006] The present invention provides a subtitle plug-in subsection rendering method to solve the problem that subtitle material rendering needs to realize all preparation calculations, the preparation work takes a long time and occupies a large amount of memory

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  • Subtitle plug-in segmentation rendering method

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Embodiment Construction

[0012] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. It should be noted that the described embodiments are only part of the embodiments of the present invention, not all of them. Example. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0013] Below in conjunction with accompanying drawing and embodiment, the specific embodiment of the present invention is described in further detail:

[0014] The present invention provides a subtitle plug-in segment rendering method, such as figure 1 shown, including the following steps:

[0015] Step S101, segment the subtitle material according to different types of the subtitle material.

[0016] Unlike the subtitle ma...

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Abstract

The invention discloses a subtitle plug-in segmentation rendering method which comprises the steps of: segmenting subtitle materials according to different types of the subtitle materials; and obtaining subtitle material sections required by a user, and rendering. According to the subtitle plug-in segmentation rendering method provided by the invention, original once calculation is divided into different periods of calculation, thus serious time delay in a starting moment is reduced, the instantaneity is good; a large quantity of memories are applied to be changed into one section of small quantity of memories applied every time, thus the requirement on the system is lowered, the memory allocation success rate is increased; and some section of subtitle materials can be dynamically prepared, and resources occupied by some section of subtitle material are dynamically released, thus the occupation of a plurality of system resources for a long time is reduced, and further the possibility of phenomena such as unavailability and non-editing dead halt of the subtitle materials due to resources are reduced.

Description

technical field [0001] The invention relates to the field of broadcasting and television, in particular to a subtitle plug-in segment rendering method. Background technique [0002] Subtitle plug-ins are application modules that can create, edit, and render subtitles. It is called by the host program (such as non-linear editing software for editing video material, referred to as NLE). In NLE, subtitle material can be placed on the timeline just like video material. Similar to video material, subtitle material is also endowed with a time code. According to the NLE call, it is necessary to render a frame of subtitle image at any time at any time. [0003] When the NLE prepares the subtitle material on the broadcast timeline, the subtitle plug-in is required to prepare the subtitle material, calculate the special effect key frames in the subtitle material, render the interpolated original image, and so on. [0004] In the process of realizing the present invention, the inven...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/278G06F9/44
Inventor 郭红艳陈丽爱刘衡娜刘沐
Owner CHINA DIGITAL VIDEO BEIJING
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