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US 2003/0121038 A1Published application
Caching system and method supporting improved trick mode performance in video decoding systems
OwnerGaurav Aggarwal, Arun Gopalakrishna Rao +5inventors
InventorsGaurav Aggarwal, Arun Gopalakrishna Rao, Marcus Kellerman, David Erickson, Jason Demas, Sandeep Bhatia, Girish Huhmani
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Abstract
A caching system and method supporting improved trick mode performance in video decoding systems are presented herein. During a rewind operation, various pictures of an EP-EP segment that are decoded to display the last picture in the EP-EP segment are cached. The pictures are cached to avoid repetitive decoding.
Claims21
A method for displaying pictures, said method comprising:
- decoding a first plurality of pictures;
- storing each of the first plurality of decoded pictures;
- and
- displaying each of the first plurality of pictures in rewind order.
1 more element
A decoder for displaying pictures, said decoder comprising:
- a decompression engine for decoding a first plurality of pictures;
- a cache for storing each of the first plurality of decoded pictures;
- and
- a display engine for displaying each of the first plurality of pictures in rewind order.
1 more element
A circuit for displaying pictures, said circuit comprising:
- a memory for storing a plurality of instructions;
- a controller for executing the plurality of instructions, said controller connected to the memory;
- and
- wherein execution of the instructions by the processor comprising causing:
- decoding a first plurality of pictures;
- storing each of the first plurality of decoded pictures;
- and
- displaying each of the first plurality of pictures in rewind order.
5 more elements
Dependencies are inferred from the claim text.