GB2568460B - Encoding and transmission of display data - Google Patents

Encoding and transmission of display data Download PDF

Info

Publication number
GB2568460B
GB2568460B GB1716982.2A GB201716982A GB2568460B GB 2568460 B GB2568460 B GB 2568460B GB 201716982 A GB201716982 A GB 201716982A GB 2568460 B GB2568460 B GB 2568460B
Authority
GB
United Kingdom
Prior art keywords
encoding
transmission
display data
display
data
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
GB1716982.2A
Other versions
GB201716982D0 (en
GB2568460A (en
Inventor
Skinner Colin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DisplayLink UK Ltd
Original Assignee
DisplayLink UK Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DisplayLink UK Ltd filed Critical DisplayLink UK Ltd
Priority to GB1716982.2A priority Critical patent/GB2568460B/en
Priority to GB2210974.8A priority patent/GB2606502B/en
Publication of GB201716982D0 publication Critical patent/GB201716982D0/en
Priority to PCT/GB2018/052845 priority patent/WO2019077303A1/en
Publication of GB2568460A publication Critical patent/GB2568460A/en
Application granted granted Critical
Publication of GB2568460B publication Critical patent/GB2568460B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/24Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/14Digital output to display device ; Cooperation and interconnection of the display device with other functional units
    • G06F3/1454Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G5/00Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
    • G09G5/36Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
    • G09G5/39Control of the bit-mapped memory
    • G09G5/391Resolution modifying circuits, e.g. variable screen formats
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00Traffic control in data switching networks
    • H04L47/10Flow control; Congestion control
    • H04L47/28Flow control; Congestion control in relation to timing considerations
    • H04L47/286Time to live
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/127Prioritisation of hardware or computational resources
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/156Availability of hardware or computational resources, e.g. encoding based on power-saving criteria
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/30Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability
    • H04N19/33Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using hierarchical techniques, e.g. scalability in the spatial domain
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/63Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets
    • H04N19/64Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using sub-band based transform, e.g. wavelets characterised by ordering of coefficients or of bits for transmission
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234327Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by decomposing into layers, e.g. base layer and one or more enhancement layers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/235Processing of additional data, e.g. scrambling of additional data or processing content descriptors
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2350/00Solving problems of bandwidth in display systems
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2360/00Aspects of the architecture of display systems
    • G09G2360/12Frame memory handling
    • G09G2360/122Tiling
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2370/00Aspects of data communication
    • G09G2370/10Use of a protocol of communication by packets in interfaces along the display data pipeline
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2370/00Aspects of data communication
    • G09G2370/16Use of wireless transmission of display information

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Computing Systems (AREA)
  • Computer Hardware Design (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
GB1716982.2A 2017-10-16 2017-10-16 Encoding and transmission of display data Active GB2568460B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB1716982.2A GB2568460B (en) 2017-10-16 2017-10-16 Encoding and transmission of display data
GB2210974.8A GB2606502B (en) 2017-10-16 2017-10-16 Encoding and transmission of display data
PCT/GB2018/052845 WO2019077303A1 (en) 2017-10-16 2018-10-05 Encoding and transmission of display data

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1716982.2A GB2568460B (en) 2017-10-16 2017-10-16 Encoding and transmission of display data

Publications (3)

Publication Number Publication Date
GB201716982D0 GB201716982D0 (en) 2017-11-29
GB2568460A GB2568460A (en) 2019-05-22
GB2568460B true GB2568460B (en) 2022-11-16

Family

ID=60419100

Family Applications (2)

Application Number Title Priority Date Filing Date
GB1716982.2A Active GB2568460B (en) 2017-10-16 2017-10-16 Encoding and transmission of display data
GB2210974.8A Active GB2606502B (en) 2017-10-16 2017-10-16 Encoding and transmission of display data

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB2210974.8A Active GB2606502B (en) 2017-10-16 2017-10-16 Encoding and transmission of display data

Country Status (2)

Country Link
GB (2) GB2568460B (en)
WO (1) WO2019077303A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2574575A (en) * 2018-04-27 2019-12-18 V Nova Int Ltd Video decoder chipset
CN116634177B (en) * 2023-06-16 2024-02-20 北京行者无疆科技有限公司 Video communication decoding processing method based on HDMI communication equipment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100274970A1 (en) * 2009-04-23 2010-10-28 Opendns, Inc. Robust Domain Name Resolution
US20140150011A1 (en) * 2011-07-01 2014-05-29 Chiyo Ohno Content transmission device and content transmission method
US20150281737A1 (en) * 2014-03-31 2015-10-01 Sony Corporation Image processing device and image processing method
US20150341645A1 (en) * 2014-05-21 2015-11-26 Arris Enterprises, Inc. Signaling for Addition or Removal of Layers in Scalable Video
GB2536299A (en) * 2015-03-13 2016-09-14 Gurulogic Microsystems Oy Method of communicating data packets within data communication systems

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070201365A1 (en) * 2006-01-23 2007-08-30 Frederick Skoog Video packet multiplexer with intelligent packet discard
GB2484736B (en) * 2010-10-22 2014-11-05 Displaylink Uk Ltd Image generation
GB2485576B (en) * 2010-11-19 2013-06-26 Displaylink Uk Ltd Video compression
US9781356B1 (en) * 2013-12-16 2017-10-03 Amazon Technologies, Inc. Panoramic video viewer

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100274970A1 (en) * 2009-04-23 2010-10-28 Opendns, Inc. Robust Domain Name Resolution
US20140150011A1 (en) * 2011-07-01 2014-05-29 Chiyo Ohno Content transmission device and content transmission method
US20150281737A1 (en) * 2014-03-31 2015-10-01 Sony Corporation Image processing device and image processing method
US20150341645A1 (en) * 2014-05-21 2015-11-26 Arris Enterprises, Inc. Signaling for Addition or Removal of Layers in Scalable Video
GB2536299A (en) * 2015-03-13 2016-09-14 Gurulogic Microsystems Oy Method of communicating data packets within data communication systems
WO2016146269A1 (en) * 2015-03-13 2016-09-22 Gurulogic Microsystems Oy Method of communicating data packets within data communication systems

Also Published As

Publication number Publication date
GB201716982D0 (en) 2017-11-29
GB2568460A (en) 2019-05-22
GB2606502B (en) 2023-01-04
GB2606502A (en) 2022-11-09
WO2019077303A1 (en) 2019-04-25
GB202210974D0 (en) 2022-09-07

Similar Documents

Publication Publication Date Title
PL3668253T3 (en) Data transmission methods and devices
ZA201802985B (en) Data block repetitions with transmission gaps
EP3619858A4 (en) Scheduliing transmission of data
GB2523740B (en) Image encoding and display
GB2523555B (en) Image encoding and display
GB2573238B (en) Method of video transmission and display
PL3443779T3 (en) Transmission and reception of system information in parts
EP3393199A4 (en) Data transmission method and user equipment
ZA202000126B (en) Data transmission method and related product
GB2557997B (en) Encoding and Decoding of image data
IL274657A (en) Encoding and decoding methods and corresponding devices
GB201710825D0 (en) Image data encoding and decoding
HK1224446A1 (en) User equipment and an information transmission method
GB201812556D0 (en) Image data encoding and decoding
EP3562044A4 (en) Data encoding and decoding methods and devices
PT3206154T (en) Method and devices for the secure transmission of user data
GB2568460B (en) Encoding and transmission of display data
ZA201908116B (en) Data transmission and related product
GB2575463B (en) Compression of display data
PL3701717T3 (en) Image data encoding and decoding
IL260087B (en) Secure transmission of local private encoding data
GB201717682D0 (en) Image data encoding and decoding
GB201717686D0 (en) Image data encoding and decoding
GB201710824D0 (en) Image data encoding and decoding
GB201701859D0 (en) Method of video transmission and display