CN104284099A - A method and system for large-screen display based on multi-channel input - Google Patents
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Abstract
本发明公开了一种基于多通道输入大屏显示的方法及系统，其中方法包括如下步骤：获取视频数据源及多通道输入的显示屏数量；对视频数据源利用虚拟显示屏进行满屏播放；根据显示屏数量对满屏播放的视频内容进行视频数据切割；根据多通道输入的显示屏配置参数、视频源数据的属性、显示设备的属性信息将切割后的视频数据进行数据转换；将转换后的视频数据对应于所显示的通道同时传输；显示屏对转换后的视频数据进行显示。本发明基于虚拟机按照显示屏幕数量对视频数据源进行切割，从而保障了视频文件在多通道显示屏上的满屏再现，从而解决了显示屏对分辨率的限制，同时由于采用的多个输出显示设备的组合显示。
The invention discloses a method and system for large-screen display based on multi-channel input, wherein the method includes the following steps: acquiring a video data source and the number of display screens input by multi-channel; performing full-screen playback on a virtual display screen for the video data source; According to the number of display screens, the video data of the video content played on the full screen is cut; according to the multi-channel input display screen configuration parameters, the attributes of the video source data, and the attribute information of the display device, the cut video data is converted into data; the converted The video data corresponding to the displayed channels are simultaneously transmitted; the display screen displays the converted video data. The invention cuts the video data source according to the number of display screens based on the virtual machine, thereby ensuring the full-screen reproduction of the video file on the multi-channel display screen, thereby solving the limitation of the resolution of the display screen, and at the same time due to the multiple output A combined display of display devices.
Description
技术领域technical field
本发明涉及计算机技术领域，具体涉及一种基于多通道输入大屏显示的方法及系统。The invention relates to the field of computer technology, in particular to a method and system for large-screen display based on multi-channel input.
背景技术Background technique
当前的视频播放和显示系统一般是在一台计算机独立运行，随着虚拟现实和影视娱乐业的发展，对显示质量的要求不断提高，对于超高分别率视频播放系统、超大尺寸显示系统的需求也越来越高。The current video playback and display systems generally run independently on one computer. With the development of virtual reality and film and television entertainment, the requirements for display quality continue to increase. The demand for ultra-high resolution video playback systems and ultra-large display systems Also getting higher and higher.
传统的视频播放和显示系统由于受到显示屏幕分辨率的限制，视频文件的分辨率一般小于显示屏幕的分辨率。而且只能再矩形平面的屏幕中显示，即使使用了高速可编程硬件设备或者精密光学仪器之后，也只能投影到规则的曲面屏幕显示。采用硬件设备或光学仪器不仅极大的增加了系统成本，降低了显示质量，而且受到技术方法的限制，无法解决分辨率低，亮度低，设备安装、使用、维护困难，可扩展性差等弊端，无法满足大规模应用需求。Traditional video playback and display systems are limited by the resolution of the display screen, and the resolution of video files is generally smaller than the resolution of the display screen. And it can only be displayed on a rectangular flat screen, even after using high-speed programmable hardware devices or precision optical instruments, it can only be projected on a regular curved screen for display. The use of hardware equipment or optical instruments not only greatly increases the system cost and reduces the display quality, but also is limited by technical methods, which cannot solve the disadvantages of low resolution, low brightness, difficult equipment installation, use, and maintenance, and poor scalability. It cannot meet the needs of large-scale applications.
发明内容Contents of the invention
本发明的目的在于提供一种基于多通道输入大屏显示的方法及系统，通过多个通道拼接而成的显示屏，克服分辨率低、可扩展性差、成本高、显示质量差等问题。The purpose of the present invention is to provide a method and system for large-screen display based on multi-channel input, through a display screen spliced by multiple channels, which overcomes the problems of low resolution, poor scalability, high cost, and poor display quality.
本发明提供一种基于多通道输入大屏显示的方法，包括如下步骤：The present invention provides a method for large-screen display based on multi-channel input, comprising the following steps:
获取视频数据源及多通道输入的显示屏数量；Obtain the video data source and the number of display screens with multi-channel input;
对视频数据源利用虚拟显示屏进行满屏播放；Use the virtual display screen to play the video data source in full screen;
根据显示屏数量对满屏播放的视频内容进行视频数据切割；According to the number of display screens, the video data of the video content played on the full screen is cut;
根据多通道输入的显示屏配置参数、视频源数据的属性、显示设备的属性信息将切割后的视频数据进行数据转换；According to the configuration parameters of the display screen input by the multi-channel, the attributes of the video source data, and the attribute information of the display device, the cut video data is converted into data;
将转换后的视频数据对应于所显示的通道同时传输；Simultaneously transmit the converted video data corresponding to the displayed channels;
显示屏对转换后的视频数据进行显示。The display screen displays the converted video data.
所述根据多通道输入的显示屏配置参数、视频源数据的属性、显示设备的属性信息将切割后的视频数据进行数据转换包括：According to the display screen configuration parameters input by the multi-channel, the attributes of the video source data, and the attribute information of the display device, the data conversion of the cut video data includes:
进行几何校正、颜色校正、边缘融合。Perform geometry correction, color correction, edge blending.
所述视频数据源为本地存储的视频数据源或者为远端传输的视频数据源。The video data source is a locally stored video data source or a remote transmitted video data source.
所述远端传输的视频数据源为电视视频数据源或者为网络视频数据源。The video data source for the remote transmission is a TV video data source or a network video data source.
相应的，本发明实施例还提供了一种基于多通道输入大屏显示的系统，包括：Correspondingly, the embodiment of the present invention also provides a system based on multi-channel input large-screen display, including:
获取模块，用于获取视频数据源及多通道输入的显示屏数量；The obtaining module is used to obtain the video data source and the number of display screens with multi-channel input;
虚拟显示模块，用于对视频数据源利用虚拟显示屏进行满屏播放；The virtual display module is used for full-screen playback of the video data source using a virtual display screen;
视频切割模块，用于根据显示屏数量对满屏播放的视频内容进行视频数据切割；The video cutting module is used to cut the video data of the video content played on the full screen according to the number of display screens;
数据转换模块，用于根据多通道输入的显示屏配置参数、视频源数据的属性、显示设备的属性信息将切割后的视频数据进行数据转换；The data conversion module is used for performing data conversion on the cut video data according to the configuration parameters of the display screen input by the multi-channel, the attributes of the video source data, and the attribute information of the display device;
传输模块，用于将转换后的视频数据对应于所显示的通道同时传输；The transmission module is used for simultaneously transmitting the converted video data corresponding to the displayed channels;
显示模块，用于基于显示屏对转换后的视频数据进行显示。The display module is used for displaying the converted video data based on the display screen.
所述数据转换模块还用于进行几何校正、颜色校正、边缘融合。The data conversion module is also used for geometric correction, color correction and edge fusion.
所述视频数据源为本地存储的视频数据源或者为远端传输的视频数据源。The video data source is a locally stored video data source or a remote transmitted video data source.
所述远端传输的视频数据源为电视视频数据源或者为网络视频数据源。The video data source for the remote transmission is a TV video data source or a network video data source.
以上技术可以看出，通过对视频文件的获取，基于虚拟机按照显示屏幕数量对视频数据源进行切割，从而保障了视频文件在多通道显示屏上的满屏再现，也解决了显示屏幕对分辨率的限制，并输出到多个显示屏形成一个整体画面，从而解决了显示屏对分辨率的限制，同时由于采用的多个输出显示设备的组合显示。本发明采用软件实现，不需要特殊的硬件和光学设备，可以大大降低成本。It can be seen from the above technologies that through the acquisition of video files, the video data source is cut according to the number of display screens based on the virtual machine, thereby ensuring the full-screen reproduction of video files on the multi-channel display screen and solving the problem of resolution of the display screen. Rate limitation, and output to multiple display screens to form an overall picture, thereby solving the resolution limitation of the display screen, and at the same time due to the combination of multiple output display devices used for display. The invention is realized by software, does not need special hardware and optical equipment, and can greatly reduce the cost.
附图说明Description of drawings
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其它的附图。In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.
图1是本发明实施例中的基于多通道输入大屏显示的方法流程图；Fig. 1 is the flow chart of the method based on multi-channel input large-screen display in the embodiment of the present invention;
图2是本发明实施例中的基于多通道输入大屏显示的系统结构示意图。Fig. 2 is a schematic structural diagram of a system based on multi-channel input and large-screen display in an embodiment of the present invention.
具体实施方式Detailed ways
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其它实施例，都属于本发明保护的范围。The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
图1示出了本发明实施例中的基于多通道输入大屏显示的方法流程图，该多通道是连接着相应的显示屏，即每一个通道与一个显示屏连接，多通道一端是获取视频数据源的，将获取的视频数据源进行数据切割之后，基于多个通道输入到显示屏上，完成大屏的显示功能，其包括如下步骤：Fig. 1 shows the flow chart of the method based on multi-channel input large-screen display in the embodiment of the present invention, the multi-channel is connected to the corresponding display screen, that is, each channel is connected to a display screen, and one end of the multi-channel is to obtain video For the data source, after cutting the obtained video data source, input it to the display screen based on multiple channels to complete the display function of the large screen, which includes the following steps:
S101：获取视频数据源及多通道输入的显示屏数量；S101: Obtain the video data source and the number of display screens with multi-channel input;
系统的一端用来获取视频数据源，一端与多通道的显示屏连接着，系统可以获得视频数据源，这些数据数据源可以是本地存储的视频数据源，也可以是远端传输的视频数据源。如果是本地存储的视频数据源，则直接可以调用本地存储资源进行视频播放；如果是与电视系统端或者网络系统端相通，则系统端可以对电视数据源或者网络视频数据源进行数据的播放。One end of the system is used to obtain video data sources, and the other end is connected to a multi-channel display screen. The system can obtain video data sources, which can be locally stored video data sources or remotely transmitted video data sources. . If it is a locally stored video data source, the local storage resource can be called directly to play the video; if it is connected to the TV system or the network system, the system can play the data of the TV or network video data source.
S102：对视频数据源利用虚拟显示屏进行满屏播放；S102: Full-screen playback of the video data source by using a virtual display screen;
S103：根据显示屏数量对满屏播放的视频内容进行视频数据切割；S103: Carry out video data cutting for the video content played on the full screen according to the number of display screens;
需要说明的是这里的显示屏与虚拟显示屏之间有对照关系，整体大屏来说满足长方形与整体虚拟显示屏有对应关系，整体大屏中有若干个小的显示屏，这里的小显示屏与虚拟显示屏之间的对应比例关系，可以让系统自动实现视频内容的切割，而满足整体大屏的播放。It should be noted that there is a contrastive relationship between the display screen and the virtual display screen here. For the overall large screen, there is a corresponding relationship between the rectangle and the overall virtual display screen. There are several small display screens in the overall large screen. The small display screens here The corresponding proportional relationship between the screen and the virtual display allows the system to automatically cut video content to meet the overall large-screen playback.
S104：根据多通道输入的显示屏配置参数、视频源数据的属性、显示设备的属性信息将切割后的视频数据进行数据转换；S104: Perform data conversion on the cut video data according to the configuration parameters of the display screen input by the multi-channel, the attributes of the video source data, and the attribute information of the display device;
由于大屏显示的数据参数等需要处理，系统会进行几何校正、颜色校正、边缘融合等步骤，其根据显示屏配置、视频源数据的数据、显示设备的属性信息来完成匹配。Since the data parameters displayed on the large screen need to be processed, the system will perform geometric correction, color correction, edge blending and other steps, which complete the matching according to the display screen configuration, video source data data, and display device attribute information.
S105：将转换后的视频数据对应于所显示的通道同时传输；S105: Simultaneously transmit the converted video data corresponding to the displayed channels;
S106：显示屏对转换后的视频数据进行显示。S106: The display screen displays the converted video data.
通过上述方式实现，基于虚拟显示屏与大屏幕的匹配切割，完成数据转换，能够实现大屏显示。Realized through the above method, based on the matching and cutting of the virtual display screen and the large screen, the data conversion is completed, and the large screen display can be realized.
相应的，图2示出了本发明实施例中的基于多通道输入大屏显示的系统结构示意图，包括：Correspondingly, FIG. 2 shows a schematic structural diagram of a system based on multi-channel input large-screen display in an embodiment of the present invention, including:
获取模块201，用于获取视频数据源及多通道输入的显示屏数量；Obtaining module 201, used to obtain the display screen quantity of video data source and multi-channel input;
虚拟显示模块202，用于对视频数据源利用虚拟显示屏进行满屏播放；The virtual display module 202 is used to perform full-screen playback on the video data source using a virtual display screen;
视频切割模块203，用于根据显示屏数量对满屏播放的视频内容进行视频数据切割；Video cutting module 203, is used for carrying out video data cutting to the video content of full-screen play according to display screen quantity;
数据转换模块204，用于根据多通道输入的显示屏配置参数、视频源数据的属性、显示设备的属性信息将切割后的视频数据进行数据转换；Data conversion module 204, is used for according to the display screen configuration parameter of multi-channel input, the attribute of video source data, the attribute information of display device the video data after cutting is carried out data conversion;
传输模块205，用于将转换后的视频数据对应于所显示的通道同时传输；A transmission module 205, configured to simultaneously transmit the converted video data corresponding to the displayed channels;
显示模块206，用于基于显示屏对转换后的视频数据进行显示。The display module 206 is configured to display the converted video data based on the display screen.
需要说明的是，这里的数据转换模块204还用于进行几何校正、颜色校正、边缘融合。这里的视频数据源为本地存储的视频数据源或者为远端传输的视频数据源；这里的远端传输的视频数据源为电视视频数据源或者为网络视频数据源。It should be noted that the data conversion module 204 here is also used for geometric correction, color correction, and edge fusion. The video data source here is a locally stored video data source or a video data source for remote transmission; the video data source for remote transmission here is a TV video data source or a network video data source.
综上，本发明通过对视频文件的获取，基于虚拟机按照显示屏幕数量对视频数据源进行切割，从而保障了视频文件在多通道显示屏上的满屏再现，也解决了显示屏幕对分辨率的限制，并输出到多个显示屏形成一个整体画面，从而解决了显示屏对分辨率的限制，同时由于采用的多个输出显示设备的组合显示。本发明采用软件实现，不需要特殊的硬件和光学设备，可以大大降低成本。。To sum up, the present invention cuts the video data source according to the number of display screens based on the acquisition of video files based on the virtual machine, thereby ensuring the full-screen reproduction of video files on the multi-channel display screen, and also solving the problem of the resolution of the display screen. and output to multiple display screens to form an overall picture, thereby solving the resolution limitation of the display screen, and at the same time due to the combination of multiple output display devices used for display. The invention is realized by software, does not need special hardware and optical equipment, and can greatly reduce the cost. .
本领域普通技术人员可以理解上述实施例的各种方法中的全部或部分步骤是可以通过程序来指令相关的硬件来完成，该程序可以存储于一计算机可读存储介质中，存储介质可以包括：只读存储器(ROM，Read Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁盘或光盘等。Those of ordinary skill in the art can understand that all or part of the steps in the various methods of the above-mentioned embodiments can be completed by instructing related hardware through a program, and the program can be stored in a computer-readable storage medium, and the storage medium can include: Read Only Memory (ROM, Read Only Memory), Random Access Memory (RAM, Random Access Memory), disk or CD, etc.
以上对本发明实施例所提供的基于多通道输入大屏显示的方法及系统进行了详细介绍，本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想；同时，对于本领域的一般技术人员，依据本发明的思想，在具体实施方式及应用范围上均会有改变之处，综上所述，本说明书内容不应理解为对本发明的限制。The method and system based on multi-channel input large-screen display provided by the embodiment of the present invention have been introduced in detail above. In this paper, specific examples are used to illustrate the principle and implementation of the present invention. The description of the above embodiment is only for To help understand the method of the present invention and its core idea; at the same time, for those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific implementation and scope of application. In summary, the content of this specification It should not be construed as a limitation of the invention.
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| CN105245938B (en) * | 2015-09-30 | 2019-08-16 | 努比亚技术有限公司 | The device and method for playing multimedia file |
| CN110244982A (en) * | 2018-03-09 | 2019-09-17 | 浙江宇视科技有限公司 | Data reconstruction method and device |
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