PT1611747E - Codificador de vídeo e método de codificação de vídeo - Google Patents

Codificador de vídeo e método de codificação de vídeo Download PDF

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Publication number
PT1611747E
PT1611747E PT04723847T PT04723847T PT1611747E PT 1611747 E PT1611747 E PT 1611747E PT 04723847 T PT04723847 T PT 04723847T PT 04723847 T PT04723847 T PT 04723847T PT 1611747 E PT1611747 E PT 1611747E
Authority
PT
Portugal
Prior art keywords
buffer
video
random access
underflow
encoding
Prior art date
Application number
PT04723847T
Other languages
English (en)
Inventor
Sachin Govind Deshpande
Original Assignee
Sharp Kk
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 Sharp Kk filed Critical Sharp Kk
Publication of PT1611747E publication Critical patent/PT1611747E/pt

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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, rendering scenes according to MPEG-4 scene graphs
    • H04N21/44004—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video buffer management, e.g. video decoder buffer or video display buffer
    • 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
    • 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
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods 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
    • H04N19/146—Data rate or code amount at the encoder output
    • H04N19/15—Data rate or code amount at the encoder output by monitoring actual compressed data size at the memory before deciding storage at the transmission buffer
    • 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
    • H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/24—Monitoring of processes or resources, e.g. monitoring of server load, available bandwidth, upstream requests
    • H04N21/2401—Monitoring of the client buffer
PT04723847T 2003-03-31 2004-03-26 Codificador de vídeo e método de codificação de vídeo PT1611747E (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/404,947 US7266147B2 (en) 2003-03-31 2003-03-31 Hypothetical reference decoder

Publications (1)

Publication Number Publication Date
PT1611747E true PT1611747E (pt) 2008-04-11

Family

ID=32990219

Family Applications (3)

Application Number Title Priority Date Filing Date
PT04723847T PT1611747E (pt) 2003-03-31 2004-03-26 Codificador de vídeo e método de codificação de vídeo
PT07000483T PT1791369E (pt) 2003-03-31 2004-03-26 Codificador de vídeo e método de codificação de vídeo
PT10162205T PT2209319E (pt) 2003-03-31 2004-03-26 Codificador de vídeo

Family Applications After (2)

Application Number Title Priority Date Filing Date
PT07000483T PT1791369E (pt) 2003-03-31 2004-03-26 Codificador de vídeo e método de codificação de vídeo
PT10162205T PT2209319E (pt) 2003-03-31 2004-03-26 Codificador de vídeo

Country Status (11)

Country Link
US (4) US7266147B2 (pt)
EP (3) EP1611747B1 (pt)
JP (4) JP2006519517A (pt)
CN (3) CN1826812B (pt)
AT (2) ATE390019T1 (pt)
DE (2) DE602004027847D1 (pt)
ES (3) ES2390596T3 (pt)
HK (2) HK1145413A1 (pt)
PL (1) PL2209319T3 (pt)
PT (3) PT1611747E (pt)
WO (1) WO2004088988A1 (pt)

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Also Published As

Publication number Publication date
JP2012135009A (ja) 2012-07-12
JP5536811B2 (ja) 2014-07-02
HK1147374A1 (en) 2011-08-05
CN1826812A (zh) 2006-08-30
USRE43062E1 (en) 2012-01-03
EP2209319A3 (en) 2011-01-26
ATE390019T1 (de) 2008-04-15
CN101854553B (zh) 2014-12-31
EP1611747A1 (en) 2006-01-04
JP2006519517A (ja) 2006-08-24
USRE48953E1 (en) 2022-03-01
JP5025289B2 (ja) 2012-09-12
PT1791369E (pt) 2010-08-09
EP1791369B1 (en) 2010-06-23
ES2300757T3 (es) 2008-06-16
US7266147B2 (en) 2007-09-04
EP2209319B1 (en) 2012-07-04
ATE472228T1 (de) 2010-07-15
EP1611747A4 (en) 2006-06-14
JP2007189731A (ja) 2007-07-26
CN1826812B (zh) 2010-07-28
US20040190606A1 (en) 2004-09-30
PL2209319T3 (pl) 2012-11-30
CN101854552B (zh) 2017-05-17
DE602004027847D1 (de) 2010-08-05
EP1791369A3 (en) 2007-06-27
HK1145413A1 (en) 2011-04-15
DE602004012540D1 (de) 2008-04-30
WO2004088988A1 (en) 2004-10-14
CN101854553A (zh) 2010-10-06
EP1611747B1 (en) 2008-03-19
PT2209319E (pt) 2012-09-11
ES2390596T3 (es) 2012-11-14
JP2010166600A (ja) 2010-07-29
ES2348075T3 (es) 2010-11-29
JP5444047B2 (ja) 2014-03-19
USRE45983E1 (en) 2016-04-19
DE602004012540T2 (de) 2009-04-23
EP1791369A2 (en) 2007-05-30
CN101854552A (zh) 2010-10-06
EP2209319A2 (en) 2010-07-21

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