DE69631364D1 - MPEG-Dekoder mit gemeinsamer Benutzung eines Speichers - Google Patents

MPEG-Dekoder mit gemeinsamer Benutzung eines Speichers

Info

Publication number
DE69631364D1
DE69631364D1 DE69631364T DE69631364T DE69631364D1 DE 69631364 D1 DE69631364 D1 DE 69631364D1 DE 69631364 T DE69631364 T DE 69631364T DE 69631364 T DE69631364 T DE 69631364T DE 69631364 D1 DE69631364 D1 DE 69631364D1
Authority
DE
Germany
Prior art keywords
shared memory
mpeg decoder
mpeg
decoder
shared
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.)
Expired - Fee Related
Application number
DE69631364T
Other languages
English (en)
Other versions
DE69631364T2 (de
Inventor
Osvaldo Colavin
Jefferson E Owen
Raul Z Diaz
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.)
STMicroelectronics SA
Original Assignee
STMicroelectronics SA
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
Priority claimed from FR9513044A external-priority patent/FR2740583B1/fr
Priority claimed from US08/702,910 external-priority patent/US6058459A/en
Application filed by STMicroelectronics SA filed Critical STMicroelectronics SA
Application granted granted Critical
Publication of DE69631364D1 publication Critical patent/DE69631364D1/de
Publication of DE69631364T2 publication Critical patent/DE69631364T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04N21/44—Processing 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H04N19/423—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements
    • H04N19/426—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation characterised by memory arrangements using memory downsizing methods
    • H04N19/427—Display on the fly, e.g. simultaneous writing to and reading from decoding memory
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • 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
    • H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
    • H04N21/4435—Memory management

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Software Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
DE1996631364 1995-10-30 1996-10-30 MPEG-Dekoder mit gemeinsamer Benutzung eines Speichers Expired - Fee Related DE69631364T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR9513044A FR2740583B1 (fr) 1995-10-30 1995-10-30 Decodeur mpeg utilise dans un micro-ordinateur
FR9513044 1995-10-30
US08/702,910 US6058459A (en) 1996-08-26 1996-08-26 Video/audio decompression/compression device including an arbiter and method for accessing a shared memory
US702910 1996-08-26

Publications (2)

Publication Number Publication Date
DE69631364D1 true DE69631364D1 (de) 2004-02-26
DE69631364T2 DE69631364T2 (de) 2004-11-04

Family

ID=26232313

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1996631364 Expired - Fee Related DE69631364T2 (de) 1995-10-30 1996-10-30 MPEG-Dekoder mit gemeinsamer Benutzung eines Speichers

Country Status (2)

Country Link
EP (1) EP0772159B1 (de)
DE (1) DE69631364T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6058459A (en) 1996-08-26 2000-05-02 Stmicroelectronics, Inc. Video/audio decompression/compression device including an arbiter and method for accessing a shared memory
GB2329802B (en) * 1997-06-28 1999-08-18 United Microelectronics Corp Adaptive-selection method for memory access priority control in MPEG processor
NL1007453C2 (nl) * 1997-11-05 1999-05-07 United Microelectronics Corp Zich aanpassende kieswerkwijze voor het regelen van de geheugentoegangsprioriteit in een MPEG-processor.
DE19813784A1 (de) 1998-03-27 1999-09-30 Nokia Deutschland Gmbh Verfahren zum Erhöhen der Speicherkapazität für Serviceinformation in einem Empfänger für digitale TV-Sendungen
US20020114395A1 (en) * 1998-12-08 2002-08-22 Jefferson Eugene Owen System method and apparatus for a motion compensation instruction generator
US6490324B1 (en) 1998-12-08 2002-12-03 Stmicroelectronics, Inc. System, method and apparatus for a variable output video decoder
US7844167B1 (en) 1998-12-08 2010-11-30 Stmicroelectronics, Inc. System and apparatus for digital audio/video decoder splitting signal into component data streams for rendering at least two video signals
US6414996B1 (en) 1998-12-08 2002-07-02 Stmicroelectronics, Inc. System, method and apparatus for an instruction driven digital video processor
US6300962B1 (en) 1998-12-23 2001-10-09 Scientific-Atlanta, Inc. Method and apparatus for providing reliable graphic memory operations in a set-top box environment

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5576765A (en) * 1994-03-17 1996-11-19 International Business Machines, Corporation Video decoder

Also Published As

Publication number Publication date
DE69631364T2 (de) 2004-11-04
EP0772159B1 (de) 2004-01-21
EP0772159A1 (de) 1997-05-07

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee