Caption display method and device compatible with different platforms

Abstract

The invention relates to a caption display method and device compatible with different platforms, and belongs to the technical field of intelligent televisions. The method comprises that an intermediate interface device is driven to obtain a caption file, and the caption file is parsed to obtain caption data; the intermediate interface device is driven send a calling instruction to a platform configuration layer; a new container is created, and the caption data is sent to the platform configuration layer via the container; and the platform configuration layer calls a tool library packaged witha drawing toll according to the calling instruction, the caption data is sent to the drawing tool for processing, and caption is obtained by drawing. The caption display method is not limited by a chip platform, and can be applied to different chip platforms, one caption file can be applied to multiple chip platforms, it is required to make fewer caption files, the making cost is reduced, and development of digital electronic equipment in the different system platforms is helped.

Description

technical field [0001] The invention relates to the technical field of smart televisions, in particular to a subtitle display method compatible with different platforms and a subtitle display device compatible with different platforms. Background technique [0002] With the development of digital technology, digital TV has been fully promoted in society; and in order to facilitate users to watch, each set of digital TV programs is provided with more than one set of subtitle files corresponding to the program; and due to the existing digital TV The chip platforms used by the devices are not the same, and the subtitle compilation tool chains supported by different chip platforms are also different. For example, the chip platform of a brand TV supports Android compilation tool chain or the chip platform of a brand TV supports Linux compilation. Toolchain, the two compilation toolchains handle subtitles for shows differently. [0003] In the prior art, the difference between th...

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Problems solved by technology

[0003] In the prior art, the difference between the Android compilation toolchain and the Linux compilation toolchain in the way it handles the subtitle file is that when the bitmap data in the subtitle file is drawn on the TV screen: figure 1 As shown, in the Android compilation toolchain, the platform architecture layer needs to use the intermediate interface device generated by the Android compilation toolchain to call the render tool library encapsulated with the drawing tool, and the subtitle file is displayed on the screen after being drawn by the drawing tool; and In the Linux compilation toolchain, it also has its own subtitle drawing method; therefore, when the subtitle file display method in the Linux compilation toolchain is applied to the Android compilation toolchain, the intermediate interface device generated by the Linux compilation toolchain cannot be used for the Android compilation toolchain. The render tool library with drawing tools encapsulated in the chain is directly called, so that the display method of subtitle files in the Linux compilation toolchain cannot be applied to the Android compilation toolchain, hindering the development of TV products

[0004] In order to meet the requirement that subtitle files can be displayed on different chip platforms, in the current technology, producers need to develop two sets of subtitle files with different formats but the same content for the same set of digital TV programs, and the production cost is relatively high. It is also not conducive to the development of multiple system platforms in digital TV equipment

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