Method and apparatus for improved memory management of video...

Pulse or digital communications – Bandwidth reduction or expansion – Television or motion video signal

Reexamination Certificate

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Reexamination Certificate

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10355704

ABSTRACT:
A novel storage format enabling a method for improved memory management of video images is described. The method includes receiving an image consisting of a plurality of color components. Once received, the plurality of color components is converted to a mixed format of planar format and packed format. The mixed packet format is implemented by storing one or more of the plurality of color components in a planar format and storing one or more of the plurality of color components in a packed format. A method for writing out video images is also described utilizing a write combining (WC) fame buffer. The decoding method motion compensates groups of macroblocks in order to eliminate partial writes from the WC frame buffer.

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Bilas, Angelos et al.,Real Time Parallel MPEG2 Decoding in Software, Princeton Univ., Depts. of Comp. Sci and Elect. Eng., pp. 1-14, IPPS Apr. 1997.
Coelho, R. and Hawash, M.,DirectX, RDX, RSX and MMX Technology, Chapter 22.10 Speed Up Graphics Writes with Write Combining, Addison-Wesley; Reading, MA., 1998, pp. 369-371.
Bilas, Angelos et al.,Real Time Parallel MPEG 2 Decoding in Software, Princeton Uiversity, Departments of Computer Science and Electrical Engineering, pp. 1-14.
Chapter 22.10Speed Up Graphics Writes with Write Combining, pp. 369-371.

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