CN1256834C - 移动远程通信终端的视频覆盖装置 - Google Patents
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Abstract
移动远程通信终端的一种视频覆盖装置包括:多路复用器,用于输出第一种视频数据和第二种视频数据中的一种数据;及视频覆盖单元,用于按预定比率将所述第一种和第二种视频数据中的一种数据与图形数据混合在一起。所述多路复用器依据同中央处理器(CPU)提供的视频输入选择信号,输出所述第一种和第二种视频数据中的一种数据。
Description
技术领域
本发明涉及移动远程通信终端,并特别地涉及能在移动远程通信终端的液晶显示(LCD)屏上显示图形数据的移动远程通信终端。
背景技术
除话音功能外,移动远程通信终端还能提供的各种功能,例如照相机功能和回放功能。现在,照相机功能和多媒体回放功更普遍地采用宽带业务。移动远程通信终端可以包括高分辨力的数据式照相机和彩色LCD显示屏。
在移动远程通信终端的LCD显示屏上,图标提供某些信息,例如,接收灵敏度,电池容量,消息,铃/振动等。还可以显示菜单显示的某些图形数据和经照相机输入的录像及由MPEG-4多媒体数据信号编解码器(编码和解码器)解码的流式视频信号。
参考图1,提供框图,示出一种普通移动远程通信终端的结构,在该移动远程通信终端中能显示各种视频数据。一种普通移动远程通信终端包括:中央处理器(CPU)101;照相机模块102;MPEG-4视频编解码器103;和LCD104。CPU101用于控制每个上述的部件。照相机模块102通过利用图像传感器按数字方法拍摄录像。MPEG-4视频编解码器103用于对从CPU101输入的图像数据,MPEG-4视频数据流,及从照相机模块输入的视频数据进行压缩和恢复。LCD104用于显示压缩和恢复的数据。
MPEG-4视频编解码器103包括:主接口1031;照相机接口单元1034;视频处理器1032,仲裁电路单元1033;存储器1035;和LCD接口单元1036。
主接口1031用于与CPU101发送及取回图形数据和控制信号。照相机模块1034用于从照相机模块102接收数字视频信号。
视频处理单元1032用于按标准的MPEG-4压缩从照相机模块102输入的数字视频信号或恢复从CPU101输入的MPEG-4数据流。仲裁电路单元1033用于仲裁所说各个装置和数据处理过程的操作。存储器1035用于储存从照相机模块输入视频数据或储存在视频处理单元恢复的视频数据;而LCD接口单元1036用于将数据和控制信号提供给LCD104。
还包括:第一显示层,用于显示各种菜单和能显示该终端各种信息的图标;第二显示层,用于显示经照相机模块拍摄的视频数据;及第三显示层,用于显示从视频服务器下载的视频数据,这些视频数据已经恢复为MPEG-4视频数据流。
第一层提供显示移动远程通信终端的菜单,图标,及背景屏幕。依据能显示由CPU101提供的移动远程通信终端信息的数据和移动远程通信终端运行所需的时钟及同步信号,图形数据经过主接口1031,仲裁电路单元1033,及LCD接口1036显示在LCD上。
第二层提供显示从照相机模块输入的视频数据,并通过将从照相机模块输入的数据压缩为一幅图像,储存到存储器1035内,或者将输入的视频数据实时地显示在LCD104上。从照相机模块102输入的实时数字R,G,B(红,绿,兰)信号经过照相机接口1034,视频处理单元1032,仲裁电路单元1033,及LCD接口1036显示在LCD104上。同样,储存在存储器1035内的图像经过仲裁电路单元1033和主接口1031输入到CPU101,压缩为某一种格式(例如JPG),并然后储存在存储器1035内。
第三层提供显示已经恢复为MPEDG-4视频数据流的视频数据,并通过恢复为原始视频数据显示从视频服务器(未示出)输出的MPEG-4视频数据流。来自CPU101的输入视频数据经过主接口1031和仲裁电路单元1033输入到视频处理单元1032。在这时,视频处理单元1032通过恢复为原始视频数据,输出的输入MPEG-4视频数据流。同样,仲裁电路单元1033接收恢复的数据,并经过LCD接口1036显示在LCD104。这三层显示层具有下列问题。例如,当要显示图标和菜单及视频的图形数据时,用于控制视频数椐的图标(显示,停止,静音等)及该终端的信息(例如,接收灵敏度,电池容量等)显示在LCD屏的上部或底部。这限制了视频显示的显示区域。换句话说,如果在移动远程通信终端的整个LCD屏上显示数据,以解决所述说问题,那末就不能显示相应于图形数据的该终端的图标和菜单信息。需要解决上述问题,并使视频显示区域增加到最大。
发明内容
按照一个实施例,移动远程通信终端的一种视频覆盖装置包括:多路复用器,用于输出第一种视频数据和第二种视频数据中的一种数据;及视频覆盖单元,用于按预定比率用图形数据覆盖所述第一种和第二种视频数据中的一种数据;其中,所述视频覆盖单元包括:色彩空间变换单元,用于将所述第一种和第二种视频数据中的一种数据转换为彩色信号;色彩检索表,用于将表示移动远程通信终端信息的图形数据转换为彩色信号;调色板单元,用于按预定比率将所述色彩空间变换单元内转换的视频数据与依据所述色彩检索表内信息转换的图形数据混合在一起;及视频选择单元,用于选择地输出下列所述数据中的一种数据:在所述色彩空间变换单元中转换的所述第一种和第二种视频数据,混合的视频和图形数据,及依据所述色彩检索表转换的所述图形数据。
由安装到移动远程通信终端上的照相机模块提供第一种视频数据。第二种视频数据包括从视频服务器上下载的MPEG-4视频数据流。用MPEG-4编解码器恢复MPEG-4视频数据流。
按照另一个实施例,提供了一种具有视频覆盖装置的移动远程通信终端,包括:中央处理器;照相机模块,用于拍摄录像;视频编解码器,用于压缩及恢复由所述照相机模块提供的视频数据流;多路复用器,用于选择地输出由所述照相机模块和所述视频编解码器中的一种装置提供的所述视频数据流;及视频覆盖单元,用于按产生覆盖数据的预定比率,用由所述中央处理器提供的图形数据覆盖由所述多路复用器提供的视频数据;其中,所述视频覆盖单元包括:色彩空间变换单元,用于将所述视频数据转换为彩色信号;色彩检索表,用于将与移动远程通信终端有关信息相关的图形数据转换为彩色信号;调色板单元,用于将所述色彩空间变换单元内转换的视频数据与根据所述色彩检索表转换的图形数据按所述预定比率混合在一起,所述预定比率包含在由中央处理器提供的视频混合信号中;视频选择单元,用于选择地输出下列所述数据中的一种数据:所述色彩空间变换单元内转换的所述视频数据,由所述调色板单元提供的混合视频和图形数据,依据包括在所述视频覆盖单元的色彩检索表内的信息转换的所述图形数据。
照相机模块经图像传感器数字式地拍摄录像。视频编解码器是一种MPEG-4视频编解码器,用于压缩和恢复MPEG-4视频数据流和由照相机模块提供的视频数据。
本发明涉及移动远程通信终端的一种视频覆盖装置,该装置按希望的比率,通过将显示在终端LCD屏上的图形数据与经照相机输入的录像或由MPEG-4储存的视频数据混合在一起,能够覆盖图形数据和视频数据。
那些技术熟练人员从下面参考附图的实施例详细描述中,能更加明白本发明的这些及其他实施例,本发明不限制于所披露的任何特殊实施例。
附图说明
附图描述本发明实施例,并与所述的描述一起用于解释本发明原理。所述附图用于提供进一步理解本发明,并入并构成本说明的一部分。
图1是移动远程通信终端的框图,在框图中是现有技术的图形显示器和视频显示器;
图2是移动远程通信终端的框图,该移动远程通信终端配备了按照本发明一个实施例视频覆盖装置;
图3是按照本发明一个实施例的视频覆盖单元的分(minute)结构框图;
图4是示范图,用于解释按照本发明一个实施例的每个控制信号的运行特征;
图5是示范图,用于解释按照本发明的一种视频输出方法;及
图6是视频混合表,示出按照本发明一个实施例的视频混合比率。
此外,不同图中由相同数字表示的本发明的功能、元件、及方面表示按照该系统一个或多个实施例的相同、相等、或相似的功能、元件、或方面。
具体实施方式
参考图2,按照本发明一个或多个实施例的移动远程通信终端包括:中内处理器(CPU)201;照相机模块203;MPEG-4视频编解码器204;多路复用器205;视频覆盖单元206;存储器单元207;LCD接口单元207;及LCD209。中央处理器(CPU)201控制每个元件;照相机模块203通过图像传感器拍摄录像;MPEG-4视频编解码器204压缩和恢复MPEG-4(运动图像专家组)视频数据流及从照相机模块输入的视频数据。
在某些实施例中,多路复用器205输出来自照相机模块203和MPEG-4视频编解码器204的视频信号。视频覆盖单元按预定覆盖比率提供来自多路复用器205的视频数据和来自CPU201的图形数据。存储器单元207储存覆盖数据。LCD接口单元208用于将覆盖数据输出到显示装置。LCD209用于显示从LCD接口单元208输出的数据。
按照一个实施例,CPU201控制上述的每个系统元件,包括多路复用器205,输出能显示该移动远程通信终端信息的图形数据,并经MPEG-4编解码器恢复MPEG-4视频数据流。这将所述输出提供给多路复用器205。同样,从照相机模块203输入的录像由MPEG-4编解码器204进行处理,并因此输出到多路复用器205。
依据CPU201输出的控制信号,多路复用器205从照相机模块203和MPEG-4编解码器204接收视频数据,并输出其中的一种视频数据。依据从CPU201输出的控制信号,视频覆盖单元206按预定比率将下列数据混合在一起:多路复用器205输出的视频数据和从CPU201输出的图形数据。
依据基本混合表计算该预定比率。同样,在某些实施例中,该混合视频数据储存在存储器207内或输出到LCD接口208。因此,LCD接口208接收来自视频覆盖单元206的混合视频数据,并因此在移动远程通信终端的LCD209上显示这些数据。同样,LCD接口208输出用于控制移动远程通信终端的LCD209的控制信号。
参考图3,视频覆盖单元包括:CSC(色彩空间变换)单元301;检索表302;调色板单元303;视频选择单元304;及LCD接口305。CSC(色彩空间变换)单元301对经多路复用器205输出的照相机视频数据进行转换,并将MPEG-4视频数据(16比特)转换为彩色数据(R,G,B(24比特))。
在某些实施例中,提供检索表302,用于接收来自CPU201的图形数据,并因此转换为彩色数据(R,G,B(24比特))。能够实现其他的数据结构,提供相同的服务。调色板单元303用于按预定比率,将从CSC单元301输出的视频数据与从色彩检索表302输出的图形数据混合在一起。视频选择单元304用于选择地输出下列所述数据中的一种数据:CSC单元301的视频数据,调色板单元303的视频数据,及色彩检索表302的图形数据。LCD接口305用于输出从视频选择单元304输出的数据和LCD显示所需的各种同步信号。
参考图4,经过CPU401的通用输入输出口(GPIO)分别输出控制信号,即,视频输入选择信号(VS_SEL),视频混合信号(B_L),及视频输出选择信号(VID_SEL),以控制多路复用器205,调色板303,和视频选择单元304。
在一个实施例中,视频输入选择信号(VS_SEL)输入到多路复用器402。多路复用器从照相机模块输出的视频数据和经MPEG-4恢复的视频数据中选择一种数据,从而输出这种数据。视频混合信号(B_L)输入到调色板4031,以控制视频数据和图形数据的掺合比率。
视频输出选择信号(VID_SEL)输入到视频选择单元4032。视频选择单元4032选择地输出下列所述数据中的一种数据:恢复的MPEG-4视频数据,照相机视频数据,及图形数据,或视频数据和图形数据混合的视频数据。
参考图5,提供用于显示恢复的MPEG-4视频数据或照相机视频数据的一种方法。多路复用器205接收从照相机模块203和MPEG-4编解码器204输出的数字式视频数据。多路复用器205从照相机模块输入的视频数据和从MPEG-4编解码器204输入的视频数据中选择一种数据。
依据从CPU201输出的视频输入选择信号进行选择,给视频覆盖单元206提供一个输出。例如,从照相机模块203和MPEG-4编解码器204输出数字视频数据是YUV(亮度,色彩)数据(16比特),并输入到CSC单元301,这样转换为R,G,B数据(24比特)。
在某些实施例中,视频选择单元304依据从CPU201输入的2比特视频输出选择信号(VID_SEL),选择一种视频数据,并输出给LCD接口208。同样,LCD接口208将视频像素时钟(VCLK),垂直同步信号(Vsync),水平同步信号(Hsync)和8比特视频数据(每3个周期一组24比特的像素数据)的控制信号输出给LCD209,并因此进行显示。
色彩检索表将从CPU输入的图形数据(16比特)转换为R,G,B数据(24比特)。视频选择单元304单元依据从CPU21输入的2比特(0,0)视频输出选择信号(VID_SEL)选择图形数据,并将它输出到LCD接口208。同样,LCD接口208将视频像素时钟(VCLK),垂直同步信号(Vsync),及水平同步信号(Hsync)和8比特视频数据(每3个周期一组24比特的像素数据)的控制信号输出到LCD209,并因此进行显示。
在一个或多个实施例中,调色板303接收从多路复用器205输出的恢复MPEG-4数据或接收将照相机视频数据经CSC单元301转换为R,G,B数据的数据,并接收将CPU201输出的图形数据经色彩检索表302转换为R,G,B数据的数据。作为选择,依据2比特(1,0)的视频输出选择信号(VID_SEL),调色板单元按预定的预定比率将从CSC输入的数据与从色彩检索表输入的数据混合在一起。
参考图6,依据CPU201输出的4比特混合信号(B_L),调色板303按预定视频掺合表的一种预定比率确定输入数据的掺合率。因此,调色板303按基于色彩检索表302的预定比率将从CSC301输入的视频数据与从色彩检索表302输入的图形数据混合在一起,并输出到视频选择单元304。
较佳地,例如,当视频混合信号(B_L)的比特组为‘0,1,0,0’时,图形数据的掺合率为100%,而视频数据的掺合率为0%。同样地,移动远程通信终端的LCD显示图形数据。例如,当视频混合信号(B_L)的比特组为‘0,1,0,1’时,图形数据的掺合率为0%,而视频数据的掺合率为100%。因此,移动远程通信终端的LCD仅显示视频数据。
在一个实施例中,例如,当视频混合信号(B_L)的比特组为‘1,0,1,0’时,图形数据的掺合率为25%,而视频数据的掺合率为75%。因此,移动远程通信终端的LCD按图形数据少量地覆盖视频数据的情况显示图形数据和视频数据。
视频选择单元304依据从CPU201输入的2比特(1,0)视频输出选择信号(VID_SEL)选择图形数据和视频数据的混合数据,并因此输出到LCD接口208。同样,LCD接口208给LCD209输出视频像素时钟(VCLK),垂直同步信号(Vsync),水平同步信号(Hsync)和8比特视频数据(每3个周期一组24比特像素数据)的输出控制信号。
按照本发明的一个实施例,按照本发明的移动远程通信终端的视频覆盖装置通过将显示在终端LCD屏上的图形数据与经照相机输入的录像或MPEG-4移动图像按希望比率混合在一起,能够覆盖图形数据和视频数据。移动远程通信终端的视频覆盖装置在终端的整个LCD屏上显示移动图像,并同时通过覆盖输出每种控制图标和用于显示终端状态的图标。依据这种情况,用户能欣赏到宽屏上的移动图像并能了解终端的信息,因此增强了方便性。
上面描述的实施例考虑到仅作为描述的所有方面,并不按任何方式进行限制。可以利用能支持本发明各个方面的其他实施例,系统结构,平台,及实例,并没有背离这儿所述的基本特征。这些和各种其他的改编及所披露实施例的功能组合都在本发明的范畴内。由所述权利要求及它们相似的全部范围阐述本发明。
Claims (13)
1、移动远程通信终端的一种视频覆盖装置,其特征在于,包括:
多路复用器,用于输出第一种视频数据和第二种视频数据中的一种数据;及
视频覆盖单元,用于按预定比率用图形数据覆盖所述第一种和第二种视频数据中的一种数据;
其中,所述视频覆盖单元包括:
色彩空间变换单元,用于将所述第一种和第二种视频数据中的一种数据转换为彩色信号;
色彩检索表,用于将表示移动远程通信终端信息的图形数据转换为彩色信号;
调色板单元,用于按预定比率将所述色彩空间变换单元内转换的视频数据与依据所述色彩检索表内信息转换的图形数据混合在一起;及
视频选择单元,用于选择地输出下列所述数据中的一种数据:在所述色彩空间变换单元中转换的所述第一种和第二种视频数据,混合的视频和图形数据,及依据所述色彩检索表转换的所述图形数据。
2、按照权利要求1所述装置,其特征在于,所述多路复用器依据中央处理器提供的视频输入选择信号选择地输出所述第一种和第二种视频数据中的一种数据。
3、按照权利要求1所述装置,其特征在于,所述预定比率是依据由中央处理器提供的视频混合信号确定的。
4、按照权利要求1所述装置,其特征在于,所述第一种视频数据是由安装在所述移动远程通信终端的照相机模块提供的。
5、按照权利要求1所述装置,其特征在于,所述第二种视频数据含有从视频服务器下载的MPEG-4视频数据流。
6、按照权利要求5所述装置,其特征在于,用MPEG-4编解码器恢复所述MPEG-4视频数据流。
7、一种具有视频覆盖装置的移动远程通信终端,其特征在于,包括:
中央处理器;
照相机模块,用于拍摄录像;
视频编解码器,用于压缩及恢复由所述照相机模块提供的视频数据流;
多路复用器,用于选择地输出由所述照相机模块和所述视频编解码器中的一种装置提供的所述视频数据流;及
视频覆盖单元,用于按产生覆盖数据的预定比率,用由所述中央处理器提供的图形数据覆盖由所述多路复用器提供的视频数据;
其中,所述视频覆盖单元包括:
色彩空间变换单元,用于将所述视频数据转换为彩色信号;
色彩检索表,用于将与移动远程通信终端有关信息相关的图形数据转换为彩色信号;
调色板单元,用于将所述色彩空间变换单元内转换的视频数据与根据所述色彩检索表转换的图形数据按所述预定比率混合在一起,所述预定比率包含在由中央处理器提供的视频混合信号中;
视频选择单元,用于选择地输出下列所述数据中的一种数据:所述色彩空间变换单元内转换的所述视频数据,由所述调色板单元提供的混合视频和图形数据,依据包括在所述视频覆盖单元的色彩检索表内的信息转换的所述图形数据。
8、按照权利要求7所述的移动远程通信终端,其特征在于,进一步包括LCD接口单元,用于将所述覆盖数据提供给显示装置。
9、按照权利要求8所述的移动远程通信终端,其特征在于,进一步包括LCD,用于显示由所述LCD接口单元提供的所述覆盖数据。
10、按照权利要求7所述的移动远程通信终端,所述多路复用器依据由所述中央处理器提供的视频选择信号,选择地输出所述视频数据流。
11、按照权利要求7所述的移动远程通信终端,其特征在于,所述照相机模块用图像传感器数字化地拍摄录像。
12、按照权利要求7所述的移动远程通信终端,其特征在于,所述视频编解码器是MPEG-4视频编解码器,用于压缩和恢复MPEG-4视频数据流及由所述照相机模块提供的视频数据。
13、按照权利要求7所述的移动远程通信终端,进一步包括存储器单元,用于临时储存所述覆盖数据。
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2003
- 2003-12-03 DE DE60322013T patent/DE60322013D1/de not_active Expired - Lifetime
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- 2003-12-03 EP EP03027816A patent/EP1429557B1/en not_active Expired - Lifetime
- 2003-12-09 JP JP2003411054A patent/JP3974107B2/ja not_active Expired - Fee Related
- 2003-12-10 US US10/733,988 patent/US7123283B2/en not_active Expired - Lifetime
- 2003-12-10 CN CNB2003101225822A patent/CN1256834C/zh not_active Expired - Fee Related
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2006
- 2006-09-11 US US11/530,890 patent/US8537194B2/en not_active Expired - Fee Related
- 2006-09-11 US US11/530,893 patent/US7911494B2/en not_active Expired - Fee Related
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US7911494B2 (en) | 2011-03-22 |
EP1429557A3 (en) | 2004-09-15 |
CN1507243A (zh) | 2004-06-23 |
US8537194B2 (en) | 2013-09-17 |
US20040127156A1 (en) | 2004-07-01 |
US20070008329A1 (en) | 2007-01-11 |
JP2004215238A (ja) | 2004-07-29 |
EP1429557B1 (en) | 2008-07-09 |
US7123283B2 (en) | 2006-10-17 |
KR100517979B1 (ko) | 2005-10-04 |
US20070120841A1 (en) | 2007-05-31 |
ATE400968T1 (de) | 2008-07-15 |
EP1429557A2 (en) | 2004-06-16 |
DE60322013D1 (de) | 2008-08-21 |
KR20040050610A (ko) | 2004-06-16 |
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