A text interactive display method
An interactive display and text technology, which is applied to color TV parts, TV system parts, digital non-picture data transmission, etc., can solve the problems that text cannot be rendered and displayed, and end users cannot obtain text display effects, etc., to achieve Easily extendable effects
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[0019] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.
[0020] The present invention defines a text scene description structure (Text SceneDescription, referred to as TSD) at the decoding end, its structure see figure 2 ), TSD is a collection of all the information required for text display, and is used to describe various information required for text display (such as the position information of the text, the font color of the text, the font type, the font size, the background information, the special effect information, etc. ), the display module renders and positions the text currently to be displayed through the scene description information and then displays it on the display device. TSD can provide at least one interface to modify its content, which can be filled with the corresponding description information obtained from the code stream, or multiple interfaces from the outside (the externa...
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