Display processor with color matrixing circuitry and two map memories
storing chrominance-only data
    1.
    发明授权
    Display processor with color matrixing circuitry and two map memories storing chrominance-only data 失效
    具有彩色矩阵电路的显示处理器和存储仅有色度数据的两个映像存储器

    公开(公告)号:US4719503A

    公开(公告)日:1988-01-12

    申请号:US918565

    申请日:1986-10-14

    IPC分类号: G09G1/28 H04N11/12

    CPC分类号: G09G1/285

    摘要: A display processor using first and second chrominance map memories for storing values of first and second color-difference signals, each normalized respective to luminance signal. An image memory supplies, at pixel scan rate, data used to provide read-addresses to said first and second chrominance map memories and data used to describe the luminance signal. The first and second chrominance map memory read-outs are each multiplied by the luminance signal of appropriate spatial bandwidth to generate descriptions of the first and second color-difference signals i non-normalized form. These first and second color-difference signals and a full-spatial-bandwidth luminance signal are supplied to color matrixing circuitry. The color matrixing circuitry responds to these signals to provide red, green and blue drive signals to display apparatus. The display apparatus may comprise video amplifiers for the drive signals and a color kinescope, by way of example.

    摘要翻译: 一种显示处理器,其使用第一和第二色度映像存储器来存储第一和第二色差信号的值,每个色差信号被归一化为亮度信号。 图像存储器以像素扫描速率提供用于向所述第一和第二色度映像存储器提供读取地址的数据以及用于描述亮度信号的数据。 第一和第二色度映射存储器读出器每个乘以适当的空间带宽的亮度信号,以产生第一和第二色差信号i非归一化形式的描述。 这些第一和第二色差信号和全空间带宽亮度信号被提供给彩色矩阵电路。 彩色矩阵电路响应于这些信号,以向显示装置提供红色,绿色和蓝色驱动信号。 作为示例,显示装置可以包括用于驱动信号的视频放大器和彩色显像管。

    Displaying multiple video streams using a bit map and a single frame
buffer
    2.
    发明授权
    Displaying multiple video streams using a bit map and a single frame buffer 失效
    使用位图和单个帧缓冲区显示多个视频流

    公开(公告)号:US5590254A

    公开(公告)日:1996-12-31

    申请号:US316605

    申请日:1994-09-30

    IPC分类号: G09G1/16 G06T11/00

    CPC分类号: G09G1/162 G09G2340/125

    摘要: A method and apparatus for processing signals for display using a single frame buffer. In a preferred embodiment, a plurality of pixels are received, wherein one or more of the plurality of pixels corresponds to a first display and one or more of the plurality of pixels corresponds to a second display. A display bit map and a display mask are generated in accordance with the plurality of pixels. If a pixel of the plurality of pixels corresponds to the first display and a corresponding mask field of the display mask has a first-display value, then the pixel is stored in the display bit map, wherein the mask field comprises at least one mask bit. Otherwise, if the pixel corresponds to a key color, then the mask field corresponding to the pixel is set to the first-display value. Otherwise, the pixel is stored in the display bit map and the mask field corresponding to the pixel is set to a second-display value.

    摘要翻译: 一种用于使用单个帧缓冲器处理用于显示的信号的方法和装置。 在优选实施例中,接收多个像素,其中多个像素中的一个或多个对应于第一显示,并且多个像素中的一个或多个对应于第二显示。 根据多个像素生成显示位图和显示掩模。 如果多个像素中的像素对应于第一显示,并且显示掩模的相应屏蔽场具有第一显示值,则该像素被存储在显示位图中,其中该掩模场包括至少一个掩码位 。 否则,如果像素对应于键颜色,则将与像素相对应的掩模字段设置为第一显示值。 否则,将像素存储在显示位图中,并将与像素对应的掩模场设置为第二显示值。

    System and method for binding a virtual device driver to a network
driver interface
    5.
    发明授权
    System and method for binding a virtual device driver to a network driver interface 失效
    将虚拟设备驱动程序绑定到网络驱动程序接口的系统和方法

    公开(公告)号:US6157965A

    公开(公告)日:2000-12-05

    申请号:US32252

    申请日:1998-02-27

    IPC分类号: G06F9/455 G06F13/14

    CPC分类号: G06F9/45537

    摘要: What is disclosed is a method for interfacing applications to network driver interface device drivers. The method includes the steps of binding a virtual device driver to a network driver interface; filling in a network driver interface request structure; and, passing the network driver interface request structure to the network driver interface. An apparatus for interfacing applications to network driver interface device drivers is also disclosed.

    摘要翻译: 公开的是将应用程序与网络驱动程序接口设备驱动程序进行接口的方法。 该方法包括将虚拟设备驱动程序绑定到网络驱动程序接口的步骤; 填写网络驱动程序接口请求结构; 并将网络驱动程序接口请求结构传递给网络驱动程序接口。 还公开了一种用于将应用程序连接到网络驱动程序接口设备驱动程序的装置。

    Low branch-mispredict technique for MPEG run length encoding
    6.
    发明授权
    Low branch-mispredict technique for MPEG run length encoding 有权
    用于MPEG运行长度编码的低分支错误预测技术

    公开(公告)号:US06529554B1

    公开(公告)日:2003-03-04

    申请号:US09606643

    申请日:2000-06-29

    申请人: Thomas R. Craver

    发明人: Thomas R. Craver

    IPC分类号: H04N750

    摘要: A technique to provide low branch-mispredict for MPEG run length encoding. Packed data instructions are used to reorder data when loading into registers. A bitmask is then created to identify zero and non-zero values. An index is generated from the bitmask and locations of the non-zero values are determined. Subsequently, the run-length of the zeros are calculated to encode the data for output based on one of the MPEG standards.

    摘要翻译: 为MPEG运行长度编码提供低分支错误预测的技术。 打包数据指令用于在加载到寄存器中时对数据进行重新排序。 然后创建位掩码以识别零和非零值。 从位掩码生成索引,并确定非零值的位置。 随后,计算零的游程长度,以便根据MPEG标准中的一个编码用于输出的数据。

    Display processor for image data with non-constant pixel size for
chromatic values
    7.
    发明授权
    Display processor for image data with non-constant pixel size for chromatic values 失效
    显示处理器,用于具有彩色值的非常数像素大小的图像数据

    公开(公告)号:US4777481A

    公开(公告)日:1988-10-11

    申请号:US20638

    申请日:1987-03-02

    申请人: Thomas R. Craver

    发明人: Thomas R. Craver

    CPC分类号: H04N5/907 G09G5/02

    摘要: The invention is embodied in a system comprising image memory and a display processor that automatically processes video data which alternate between having chrominance pixels of greater area than luminance pixels and having chrominance pixels of the same area as luminance pixels. Subsamples describing chrominance pixels of greater size are time-division-multiplexed with samples describing pixels in the image memory output when the former type of processing is done. Whichever format for video data is currently being used, the channel for reading subsamples from image memory to the display processor is used to transmit flag data controlling the mode of processing of video data performed by the video processor.

    摘要翻译: 本发明体现在包括图像存储器和显示处理器的系统中,该显示处理器自动处理在具有比亮度像素更大的区域的色度像素和具有与亮度像素相同的区域的色度像素之间交替的视频数据。 描述更大尺寸的色度像素的子样本与前述类型的处理完成时描述图像存储器输出中的像素的样本进行时分复用。 无论目前正在使用的视频数据格式,用于从图像存储器向显示处理器读取子样本的通道用于发送控制由视频处理器执行的视频数据处理模式的标志数据。