1. A method comprising:
receiving, at a video conferencing device, a packet of a video conferencing media stream, the video conferencing device including a processor;
determining, by the video conferencing device, whether a length of the packet is sufficiently long to contain media;
sending a request to a Look-up Table memory using the media stream ID as an input value while in parallel determining, with the processor, whether the packet is a valid media packet;
in response to receiving a destination address in a media processing network from the Look-up Table memory and determining that the packet is a valid media packet, modifying, by the video conferencing device, a header of the packet with the destination address received from the Look-up Table memory; and
transmitting, by the video conferencing device, the packet to the modified destination address.
2. The method according to claim 1, wherein in the method further comprises:
when determining that the packet is a valid media packet and not receiving a destination address in the media processing network from the Look-up Table memory, routing the packet to a full network stack included in the video conferencing device;
resolving a destination address for the packet in a media processing network;
routing the packet to the destination address in the media processing network; and
updating the Look-up Table memory with the destination address in the media processing network using a corresponding media stream ID of the packet as an index value.
3. The method according to claim 1, further comprising:
determining, by the video conferencing device, whether a protocol of the packet is supported by the processor; and
determining, by the video conferencing device, a media stream ID for the packet,
wherein the media stream ID for a packet is found by reading a field in the packet at an offset from the header defined by the protocol of the packet.
4. The method according to claim 1, wherein the packet is not sufficiently long to contain media data, routing the packet to the full network stack.
5. The method according to claim 1, wherein the protocol of the packet is not supported by the soft-core processor, routing the packet to the full network stack.
6. The method according to claim 1, further comprising:
in response to the packet being determined to not be a valid media packet, routing the packet to the full network stack.
7. A video conferencing device comprising:
a tri-FIFO configured to receive a packet of a video conferencing media stream;
a Look-UP Table memory; and
a processor configured to determine whether a length of the packet is sufficiently long to contain media, determine a media stream ID for the packet, to send a request to the Look-up Table memory using the media stream ID as an input value while in parallel determining whether the packet is a valid media packet,
wherein, in response to receiving a destination address in a media processing network from the Look-up Table memory and determining that the packet is a valid media packet, the processor is configured to modify a header of the packet with the destination address received from the Look-up Table memory, and
the tri-FIFO is further configured to transmit the packet to the modified destination address.
8. The video conferencing device according to claim 7, wherein the Look-up Table memory and the processor are implemented on one semiconductor device.
9. The video conferencing device according to claim 7, wherein the tri-FIFO, the Look-up Table memory and the processor are implemented on one semiconductor device.
10. The video conferencing device according to claim 8, wherein the semiconductor device is a Field Programmable Gate Array (FPGA).
11. The video conferencing device according to claim 9, wherein the semiconductor device is a Field Programmable Gate Array (FPGA).
12. The video conferencing device according to claim 7, wherein the tri-FIFO comprises at least three data packet buffers.
13. The video conferencing device according to claim 7, wherein the tri-FIFO comprises four data packet buffers.
14. A non-transitory computer readable storage medium encoded with instructions, which when executed by a computer causes the computer to implement a method comprising:
receiving a packet of a video conferencing media stream, the video conferencing device including a processor;
determining whether a length of the packet is sufficiently long to contain media;
determining a media stream ID for the packet;
sending a request to a Look-up Table memory using the media stream ID as an input value while in parallel determining, with the processor, whether the packet is a valid media packet;
in response to receiving a destination address in a media processing network from the Look-up Table memory and determining that the packet is a valid media packet, modifying a header of the packet with the destination address received from the Look-up Table memory; and
transmitting the packet to the modified destination address.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A computer implemented method for presenting search results in the context of a table-of-contents comprising the computer implemented steps of:
identifying a keyword search term and a stratum-level, wherein the stratum-level indicates a layer within table-of-contents that to be displayed in the search results;
identifying an occurrence of the keyword search term within a searched document; and
responsive to identifying the occurrence of the keyword search term, presenting the occurrence of the keyword search term within a context of a table-of-contents of the searched document, wherein the occurrence of the keyword search term is presented according to the indicated stratum-level.
2. The computer implemented method of claim 1, wherein the stratum-level is an indication of which of headings and subheadings within the table-of-contents should be displayed.
3. The computer implemented method of claim 2, wherein the step of identifying a keyword search term and a stratum-level further comprises:
selecting the stratum-level from a plurality of stratum-levels.
4. The computer implemented method of claim 3, wherein the step of presenting the occurrence of the keyword search term within a context of a table-of-contents of the searched document further comprises:
presenting the occurrence of the keyword search term within a context of a table-of-contents of the searched document, wherein the stratum-level selected from the plurality of stratum-levels is a first stratum-level, and wherein the first stratum-level provides a listing of the keyword search term without a surrounding context of the searched term from the table-of-contents.
5. The computer implemented method of claim 3, wherein the step of presenting the occurrence of the keyword search term within a context of a table-of-contents of the searched document further comprises:
presenting the occurrence of the keyword search term within a context of a table-of-contents of the searched document, wherein the stratum-level selected from the plurality of stratum-levels is a second stratum-level, and wherein the second stratum-level provides a listing of the keyword search term in a surrounding context of at least one subheading from the table-of-contents, wherein the occurrence of the keyword search term is located in a text corresponding to the at least one subheading.
6. The computer implemented method of claim 3, wherein the step of presenting the occurrence of the keyword search term within a context of a table-of-contents of the searched document further comprises:
presenting the occurrence of the keyword search term within a context of a table-of-contents of the searched document, wherein the stratum-level selected from the plurality of stratum-levels is a third stratum-level, and wherein the third stratum-level provides a listing of the keyword search term in a surrounding context of both at least one subheading and at least one heading from the table-of-contents, wherein the occurrence of the keyword search term is located in a text corresponding to the at least one subheading and the at least one heading.
7. The computer implemented method of claim 1, wherein the occurrence of the keyword search term is a plurality of occurrences of the keyword search term, and wherein the computer implemented method further comprises:
overlaying each of the plurality of occurrences of the keyword search term into a contiguous sequence within the context of the table-of-contents.
8. The computer implemented method of claim 6, wherein the step of presenting the occurrence of the keyword search term within the context of the table-of-contents of the searched document further comprises:
responsive to identifying the plurality of occurrences of the keyword search term, presenting the plurality of occurrences of the keyword search term within the context of the table-of-contents of the searched document, wherein the plurality of occurrences of the keyword search term are presented according to the indicated stratum-level in the contiguous sequence within the context of the table-of-contents.
9. A computer-readable medium for presenting search results in the context of a table-of-contents, the computer-readable medium comprising:
a computer program product encoded thereon comprising:
computer usable program code for identifying a keyword search term and a stratum-level, wherein the stratum-level indicates a layer within table-of-contents that to be displayed in the search results;
computer usable program code for identifying an occurrence of the keyword search term within a searched document; and
computer usable program code, responsive to identifying the occurrence of the keyword search term, for presenting the occurrence of the keyword search term within a context of a table-of-contents of the searched document, wherein the occurrence of the keyword search term is presented according to the indicated stratum-level.
10. The computer-readable medium of claim 9, wherein the stratum-level is an indication of which of headings and subheadings within the table-of-contents should be displayed.
11. The computer-readable medium of claim 10, wherein the a computer program product encoded thereon further comprises:
computer usable program code for selecting the stratum-level from a plurality of stratum-levels.
12. The computer-readable medium of claim 11, wherein the computer usable program code for presenting the occurrence of the keyword search term within a context of a table-of-contents of the searched document further comprises:
computer usable program code for presenting the occurrence of the keyword search term within a context of a table-of-contents of the searched document, wherein the stratum-level selected from the plurality of stratum-levels is a first stratum-level, and wherein the first stratum-level provides a listing of the keyword search term without a surrounding context of the searched term from the table-of-contents.
13. The computer-readable medium of claim 11, wherein the computer usable program code for presenting the occurrence of the keyword search term within a context of a table-of-contents of the searched document further comprises:
computer usable program code for presenting the occurrence of the keyword search term within a context of a table-of-contents of the searched document, wherein the stratum-level selected from the plurality of stratum-levels is a second stratum-level, and wherein the second stratum-level provides a listing of the keyword search term in a surrounding context of at least one subheading from the table-of-contents, wherein the occurrence of the keyword search term is located in a text corresponding to the at least one subheading.
14. The computer-readable medium of claim 11, wherein the computer usable program code for presenting the occurrence of the keyword search term within a context of a table-of-contents of the searched document further comprises:
computer usable program code for presenting the occurrence of the keyword search term within a context of a table-of-contents of the searched document, wherein the stratum-level selected from the plurality of stratum-levels is a third stratum-level, and wherein the third stratum-level provides a listing of the keyword search term in a surrounding context of both at least one subheading and at least one heading from the table-of-contents, wherein the occurrence of the keyword search term is located in a text corresponding to the at least one subheading and the at least one heading.
15. The computer-readable medium of claim 9, wherein the occurrence of the keyword search term is a plurality of occurrences of the keyword search term, and wherein the computer usable program code further comprises:
computer usable program code for overlaying each of the plurality of occurrences of the keyword search term into a contiguous sequence within the context of the table-of-contents.
16. The computer-readable medium of claim 15, wherein the computer usable program code for presenting the occurrence of the keyword search term within the context of the table-of-contents of the searched document further comprises:
computer usable program code, responsive to identifying the plurality of occurrences of the keyword search term, for presenting the plurality of occurrences of the keyword search term within the context of the table-of-contents of the searched document, wherein the plurality of occurrences of the keyword search term are presented according to the indicated stratum-level in the contiguous sequence within the context of the table-of-contents.
17. A data processing system comprising:
a bus;
a communications unit connected to the bus;
a storage device connected to the bus, wherein the storage device includes computer usable program code for presenting search results in the context of a table-of-contents; and
a processor unit connected to the bus, wherein the processor unit executes the computer usable program code to identify a keyword search term and a stratum-level, wherein the stratum-level indicates a layer within table-of-contents that to be displayed in the search results, wherein identifying the stratum-level comprises selecting the stratum-level from a plurality of stratum-levels, wherein the stratum-level is an indication of which of headings and subheadings within the table-of-contents should be displayed; to identify an occurrence of the keyword search term within a searched document; and responsive to identifying the occurrence of the keyword search term, to present the occurrence of the keyword search term within a context of a table-of-contents of the searched document, wherein the occurrence of the keyword search term is presented according to the indicated stratum-level.
18. The data processing system of claim 17, wherein processor unit executing the computer usable program code to present the occurrence of the keyword search term within a context of a table-of-contents of the searched document further comprises:
the processor unit executing the computer usable program code to present the occurrence of the keyword search term within a context of a table-of-contents of the searched document, wherein the stratum-level selected from the plurality of stratum-levels is a first stratum-level, and wherein the first stratum-level provides a listing of the keyword search term without a surrounding context of the searched term from the table-of-contents.
19. The data processing system of claim 17, wherein processor unit executing the computer usable program code to present the occurrence of the keyword search term within a context of a table-of-contents of the searched document further comprises:
the processor unit executing the computer usable program code to present the occurrence of the keyword search term within a context of a table-of-contents of the searched document, wherein the stratum-level selected from the plurality of stratum-levels is a second stratum-level, and wherein the second stratum-level provides a listing of the keyword search term in a surrounding context of at least one subheading from the table-of-contents, wherein the occurrence of the keyword search term is located in a text corresponding to the at least one subheading.
20. The data processing system of claim 17, wherein processor unit executing the computer usable program code to present the occurrence of the keyword search term within a context of a table-of-contents of the searched document further comprises:
the processor unit executing the computer usable program code to present the occurrence of the keyword search term within a context of a table-of-contents of the searched document, wherein the stratum-level selected from the plurality of stratum-levels is a third stratum-level, and wherein the third stratum-level provides a listing of the keyword search term in a surrounding context of both at least one subheading and at least one heading from the table-of-contents, wherein the occurrence of the keyword search term is located in a text corresponding to the at least one subheading and the at least one heading.