CA2322153A1 - Apparatus and method for predictive time stamping of isochronous data packets - Google Patents

Apparatus and method for predictive time stamping of isochronous data packets Download PDF

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Publication number
CA2322153A1
CA2322153A1 CA002322153A CA2322153A CA2322153A1 CA 2322153 A1 CA2322153 A1 CA 2322153A1 CA 002322153 A CA002322153 A CA 002322153A CA 2322153 A CA2322153 A CA 2322153A CA 2322153 A1 CA2322153 A1 CA 2322153A1
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CA
Canada
Prior art keywords
frame
data packets
time stamp
isochronous data
application
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.)
Granted
Application number
CA002322153A
Other languages
French (fr)
Other versions
CA2322153C (en
Inventor
Kevin K. Lym
Hisato Shima
Quan Vu
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.)
Sony Electronics Inc
Original Assignee
Sony Electronics Inc.
Kevin K. Lym
Hisato Shima
Quan Vu
Sony Corporation
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 Sony Electronics Inc., Kevin K. Lym, Hisato Shima, Quan Vu, Sony Corporation filed Critical Sony Electronics Inc.
Publication of CA2322153A1 publication Critical patent/CA2322153A1/en
Application granted granted Critical
Publication of CA2322153C publication Critical patent/CA2322153C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/40052—High-speed IEEE 1394 serial bus
    • H04L12/40058—Isochronous transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/40052—High-speed IEEE 1394 serial bus
    • H04L12/40071—Packet processing; Packet format
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/40052—High-speed IEEE 1394 serial bus
    • H04L12/40117—Interconnection of audio or video/imaging devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/80—Responding to QoS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/41—Structure of client; Structure of client peripherals
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/4223—Cameras
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing 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
    • H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing 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
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4348—Demultiplexing of additional data and video streams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing 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
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4363—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing 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
    • H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
    • H04N21/4363—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network
    • H04N21/43632—Adapting the video or multiplex stream to a specific local network, e.g. a IEEE 1394 or Bluetooth® network involving a wired protocol, e.g. IEEE 1394
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/24—Systems for the transmission of television signals using pulse code modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1101—Session protocols

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Security & Cryptography (AREA)
  • Small-Scale Networks (AREA)
  • Information Transfer Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Computer And Data Communications (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Communication Control (AREA)

Abstract

In order to predictively time stamp isochronous data packets transmitted over an IEEE 1394-1995 serial bus network, an application, which is to send a stream of isochronous data packets to a receiving node, first transmits a number of dummy frames each consisting of a number of packets. Preferably, these isochronous data packets make up frames of video data. From these dummy packets, the application obtains the time stamp values within the common isochronous packet (CIP) header of each packet. Using these obtained time stamp values, the application calculates a presentation time value for each data frame to be transmitted. The obtained time stamp value from a transmitted video frame is used to calculate the presentation time for a video frame which is a number of frames ahead within the transmit queue. Once the presentation time value for a frame is calculated, that value is then inserted by the application into the CIP header for the first packet within that frame and the frame is sent to the transmit queue for transmission to the receiving node over the IEEE 1394-1995 serial bus network.
CA002322153A 1998-03-09 1999-03-05 Apparatus and method for predictive time stamping of isochronous data packets Expired - Lifetime CA2322153C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/037,397 1998-03-09
US09/037,397 US6680944B1 (en) 1998-03-09 1998-03-09 Apparatus for and method of predictive time stamping of isochronous data packets transmitted over an IEEE 1394-1995 serial bus network
PCT/US1999/004793 WO1999046937A1 (en) 1998-03-09 1999-03-05 Apparatus and method for predictive time stamping of isochronous data packets

Publications (2)

Publication Number Publication Date
CA2322153A1 true CA2322153A1 (en) 1999-09-16
CA2322153C CA2322153C (en) 2008-09-23

Family

ID=21894126

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002322153A Expired - Lifetime CA2322153C (en) 1998-03-09 1999-03-05 Apparatus and method for predictive time stamping of isochronous data packets

Country Status (8)

Country Link
US (3) US6680944B1 (en)
EP (1) EP1062814B1 (en)
KR (1) KR100657582B1 (en)
AT (1) ATE376749T1 (en)
AU (1) AU2894999A (en)
CA (1) CA2322153C (en)
DE (1) DE69937394T2 (en)
WO (1) WO1999046937A1 (en)

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US6680944B1 (en) * 1998-03-09 2004-01-20 Sony Corporation Apparatus for and method of predictive time stamping of isochronous data packets transmitted over an IEEE 1394-1995 serial bus network
US7246180B1 (en) * 1998-07-31 2007-07-17 Matsushita Electric Industrial Co., Ltd. Connection-confirmable information processing system, connection-confirmable information processing apparatus, information processing method by which connection is conformable, recorder, recording system, recording method, method for recognizing correspondence between node and terminal, computer, terminal, and program recor
US6748421B1 (en) * 1998-12-23 2004-06-08 Canon Kabushiki Kaisha Method and system for conveying video messages
US6661811B1 (en) * 1999-02-12 2003-12-09 Koninklijke Philips Electronics N.V. Method of and apparatus for communicating isochronous data
US7492393B2 (en) * 1999-02-12 2009-02-17 Sony Corporation Method of and apparatus for generating a precise frame rate in digital video transmission from a computer system to a digital video device
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JP2001203727A (en) * 2000-01-18 2001-07-27 Sony Corp Method and device for communication
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US6871312B2 (en) * 2002-08-27 2005-03-22 Spirent Communications Method and apparatus for time stamping data
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WO2006003233A1 (en) * 2004-07-01 2006-01-12 Oy Gamecluster Ltd A method and a device for supplying a decoder with data
WO2006003234A1 (en) * 2004-07-01 2006-01-12 Oy Gamecluster Ltd A method and a device for service data delivery
WO2006003232A1 (en) * 2004-07-01 2006-01-12 Oy Gamecluster Ltd A method and a device for transferring predictive and non-predictive data frames
KR100678277B1 (en) * 2004-11-30 2007-02-02 삼성전자주식회사 Apparatus and Method of Delay Calculation in Multimedia Data Transceiving System
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Also Published As

Publication number Publication date
EP1062814A1 (en) 2000-12-27
ATE376749T1 (en) 2007-11-15
WO1999046937A1 (en) 1999-09-16
CA2322153C (en) 2008-09-23
KR100657582B1 (en) 2006-12-19
AU2894999A (en) 1999-09-27
DE69937394D1 (en) 2007-12-06
US20060013223A1 (en) 2006-01-19
JP3977594B2 (en) 2007-09-19
US6680944B1 (en) 2004-01-20
EP1062814B1 (en) 2007-10-24
US7561576B2 (en) 2009-07-14
DE69937394T2 (en) 2008-07-24
US6973087B2 (en) 2005-12-06
JP2002507100A (en) 2002-03-05
KR20010040558A (en) 2001-05-15
US20040125825A1 (en) 2004-07-01

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Effective date: 20190305