IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0454409
(2006-06-16)
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등록번호 |
US-7783686
(2010-09-13)
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발명자
/ 주소 |
- Gates, Matthijs A.
- Reneris, Kenneth
- Sather, Dale
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출원인 / 주소 |
|
인용정보 |
피인용 횟수 :
9 인용 특허 :
30 |
초록
▼
An application program interface to manage media files may be described. An apparatus may comprise a media processing sub-system having a processor and a memory. The memory may store an application program interface software library having multiple software objects. The processor may execute the sof
An application program interface to manage media files may be described. An apparatus may comprise a media processing sub-system having a processor and a memory. The memory may store an application program interface software library having multiple software objects. The processor may execute the software objects in response to application program interface commands in order to manage a virtual file comprising a hierarchy of name-value pairs used to store media content from multiple media streams. Other embodiments are described and claimed.
대표청구항
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The invention claimed is: 1. An article comprising a machine-readable storage medium containing instructions that if executed enable a system to: store multiple media streams in a virtual file using a hierarchy of name-value pairs, wherein: said virtual file is partitioned into one or more long pag
The invention claimed is: 1. An article comprising a machine-readable storage medium containing instructions that if executed enable a system to: store multiple media streams in a virtual file using a hierarchy of name-value pairs, wherein: said virtual file is partitioned into one or more long pages of a first defined length, at least one long page of said virtual file is partitioned into one or more short pages of a second defined length shorter than said first defined length, said hierarchy of name-value pairs is formed by storing multiple name-value pairs for said virtual file in one or more containers within said pages, said containers include a root container comprising a first page table structure implemented as an array of short pages storing a collection of high-level name-value pairs for said virtual file at a high level of said hierarchy, and at least one high-level name-value pair stored in said first page table structure of said root container comprises a value representing another container comprising a second page table structure implemented as an array of long pages or short pages storing more values name-value pairs for said virtual file at a lower level of said hierarchy; receive an application program interface command corresponding to a software object from a software library; and access at least one container of said virtual file storing name-value pairs for said virtual file in response to said application program interface command. 2. The article of claim 1, further comprising instructions that if executed enable the system to receive a file create command to create said virtual file, create said virtual file with a file handle in response to said file create command, and send said file handle for said virtual file. 3. The article of claim 1, further comprising instructions that if executed enable the system to receive a get file information command, and send file information for said virtual file in response to said get file information command. 4. The article of claim 1, further comprising instructions that if executed enable the system to receive a get root container command, and send a list of name-value pairs from a root container. 5. The article of claim 1, further comprising instructions that if executed enable the system to receive a container read command, and read a name-value pair from a container. 6. The article of claim 1, further comprising instructions that if executed enable the system to receive a container write command, and write a name-value pair to a container. 7. The article of claim 1, further comprising instructions that if executed enable the system to receive a value reader command, and read a short value or a long value from a container. 8. The article of claim 1, further comprising instructions that if executed enable the system to receive a value writer command, and write a short value or a long value to a container. 9. The article of claim 1, further comprising instructions that if executed enable the system to receive a read lock command, and lock a short value or a long value for reading. 10. The article of claim 1, further comprising instructions that if executed enable the system to receive a write lock command, and lock a short value or a long value for writing. 11. An apparatus comprising a media processing sub-system having a processor and a memory, said memory storing an application program interface software library having multiple software objects, said processor to execute said software objects in response to application program interface commands in order to manage a virtual file comprising a hierarchy of name-value pairs used to store media content from multiple media streams, wherein: said virtual file is partitioned into one or more long pages of a first defined length, at least one long page of said virtual file is partitioned into one or more short pages of a second defined length shorter than said first defined length, said hierarchy of name-value pairs is formed by storing multiple name-value pairs for said virtual file in one or more containers within said pages, said containers include a root container comprising a first page table structure implemented as an array of short pages storing a collection of high-level name-value pairs for said virtual file at a high level of said hierarchy, at least one high-level name-value pair stored in said first page table structure of said root container comprises a value representing another container comprising a second page table structure implemented as an array of long pages or short pages storing more name-value pairs for said virtual file at a lower level of said hierarchy, and one or more of said software objects access at least one container of said virtual file storing name-value pairs for said virtual file in response to a corresponding application program interface command. 12. The apparatus of claim 11, said application program interface software library including at least one of a file create object responsive to a file create command, a file information object responsive to a get file information command, a root container object responsive to a get root container command, a container read object responsive to a container read command, a container write object responsive to a container write command, a value reader object responsive to a value reader command, a value writer object responsive to a value writer command, a read lock object responsive to a read lock command, or a write lock object responsive to a write lock command. 13. The apparatus of claim 11, comprising a media application reader to read a name-value pair from said virtual file using said application program interface software library. 14. The apparatus of claim 11, comprising a media application writer to write a name-value pair to said virtual file using said application program interface software library. 15. The apparatus of claim 11, comprising a media file manager to manage said virtual file. 16. A computer-implemented method, comprising: receiving an application program interface command at a computer, said application program interface command corresponding to a software object from a software library stored in memory of said computer; and accessing a virtual file with media information for multiple media streams stored on said computer with said software object, wherein: said virtual file is partitioned into one or more long pages of a first defined length, at least one long page of said virtual file is partitioned into one or more short pages of a second defined length shorter than said first defined length, said virtual file comprises a hierarchy of name-value pairs formed by storing multiple name-value pairs in one or more containers within said pages, said containers include a root container comprising a first page table structure implemented as an array of short pages storing a collection of high-level name-value pairs for said virtual file at a high level of said hierarchy, at least one high-level name-value pair stored in said first page table structure of said root container comprises a value representing another container comprising a second page table structure implemented as an array of long pages or short pages storing more name-value pairs for said virtual file at a lower level of said hierarchy, and said software object accesses at least one container of said virtual file storing name-value pairs for said virtual file in response to said application program interface command. 17. The method of claim 16, comprising writing media information to said virtual file with a first software object from said software library. 18. The method of claim 17, comprising reading media information from said virtual file with a second software object from said software library. 19. The method of claim 18, comprising creating said virtual file with a third software object from said software library. 20. The method of claim 19, comprising creating said name-value pair with a fourth software object from said software library.
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