Multiple extended mode supportable multimedia palette and multimedia system incorporating same
First Claim
1. A multimedia system, comprising:
- a system bus;
a palette connected to said system bus, said palette configured to receive video data encoded in at least a first mode wherein said video data is encoded as a YUV type video signal, a second mode wherein said video data is encoded as an RGB type video signal and a third mode wherein said video data is encoded as a color look-up table address and having means for converting each of said received modes of encoded video data into an RGB type video signal and an output for transmitting said converted RGB type video signals;
a VGA controller connected to said system bus, said VGA controller transmitting, via said bus, encoded video data to said palette; and
display means having an input connected to said palette output, said display means generating a video image from said RGB type video signals received from said palette.
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Accused Products
Abstract
A palette for converting video data encoded in multiple YUV and RGB formats into a configuration suitable for transmission to a display and a multimedia system incorporating the same. The palette selectively converts video data encoded into a five bit luminance component for each of four successive pixel elements, a first five bit chrominance component for the four successive pixel elements and a second five bit chrominance component for the four successive pixel elements into a eight bit red, green and blue components for the pixel elements, converts video data encoded in an eight bit luminance component for each of two successive pixel elements and first and second eight bit luminance components for the two successive pixel elements into eight bit red, green and blue components for the pixel element, converts video data encoded in four data bits for a pixel element into six bit red, green and blue components for the pixel element and converts video data encoded in multiple RGB mode, including 555, 565 and 888 modes, into eight bit red, green and blue components.
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Citations
24 Claims
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1. A multimedia system, comprising:
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a system bus; a palette connected to said system bus, said palette configured to receive video data encoded in at least a first mode wherein said video data is encoded as a YUV type video signal, a second mode wherein said video data is encoded as an RGB type video signal and a third mode wherein said video data is encoded as a color look-up table address and having means for converting each of said received modes of encoded video data into an RGB type video signal and an output for transmitting said converted RGB type video signals; a VGA controller connected to said system bus, said VGA controller transmitting, via said bus, encoded video data to said palette; and display means having an input connected to said palette output, said display means generating a video image from said RGB type video signals received from said palette. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A palette for a multimedia system, comprising:
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first decoder means for decoding video data encoded in a first mode into Y, U and V components; a second decoder means for decoding video data encoded in a second mode into Y, U and V components; a direct color converter means for converting data encoded in at least one encoded RGB mode into red, green and blue components; a color look-up RAM for converting video data encoded as an eight bit color look-up table address into six bit red, green and blue components; a YUV to RGB converter connected to receive said decoded YUV data from said first and second decoder means; and control means for propagating encoded video data input said palette through said first decoder means and said YUV to RGB converter if said data is encoded in said first mode, through said second decoder means and said YUV to RGB converter if said data is encoded in said second mode, through said direct color converter means if said data is encoded in one of said encoded RGB modes and through said color look-up RAM if said data is encoded as en eight bit color look-up table address. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A palette for a multimedia system, comprising:
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decoder means for decoding video data encoded in at least one encoded YUV mode into Y, U and V components; a YUV to RGB converter connected to receive said decoded YUV data from said decoder means and convert said received YUV data into eight bit red, green and blue components; direct color converter means for converting data encoded in at least one encoded RGB mode into eight bit red, green and blue components; and control means for propagating encoded video data input said palette through said decoder means and said YUV to RGB converter if said input data is YUV type encoded video data, through said direct color converter means if said input data is RGB type encoded video data. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24)
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Specification