TWI669945B - 專用算術編碼指令 - Google Patents

專用算術編碼指令 Download PDF

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Publication number
TWI669945B
TWI669945B TW104114188A TW104114188A TWI669945B TW I669945 B TWI669945 B TW I669945B TW 104114188 A TW104114188 A TW 104114188A TW 104114188 A TW104114188 A TW 104114188A TW I669945 B TWI669945 B TW I669945B
Authority
TW
Taiwan
Prior art keywords
value
bit
interval
cabac
offset
Prior art date
Application number
TW104114188A
Other languages
English (en)
Chinese (zh)
Other versions
TW201607294A (zh
Inventor
周博
茂 曾
瑞齊 詹姆士 帕倫奇
魯西恩 寇德古
書 蕭
俊傑 杜
蘇海勒 亞利爾
Original Assignee
美商高通公司
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 美商高通公司 filed Critical 美商高通公司
Publication of TW201607294A publication Critical patent/TW201607294A/zh
Application granted granted Critical
Publication of TWI669945B publication Critical patent/TWI669945B/zh

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30003—Arrangements for executing specific machine instructions
    • G06F9/30007—Arrangements for executing specific machine instructions to perform operations on data operands
    • G06F9/30018—Bit or string instructions
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/40—Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
    • H03M7/4006—Conversion to or from arithmetic code
    • H03M7/4012—Binary arithmetic codes
    • H03M7/4018—Context adapative binary arithmetic codes [CABAC]
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/30003—Arrangements for executing specific machine instructions
    • G06F9/30007—Arrangements for executing specific machine instructions to perform operations on data operands
    • G06F9/30025—Format conversion instructions, e.g. Floating-Point to Integer, decimal conversion
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
    • G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
    • G06F9/3885—Concurrent instruction execution, e.g. pipeline or look ahead using a plurality of independent parallel functional units
    • G06F9/3893—Concurrent instruction execution, e.g. pipeline or look ahead using a plurality of independent parallel functional units controlled in tandem, e.g. multiplier-accumulator
    • G06F9/3895—Concurrent instruction execution, e.g. pipeline or look ahead using a plurality of independent parallel functional units controlled in tandem, e.g. multiplier-accumulator for complex operations, e.g. multidimensional or interleaved address generators, macros
    • 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
    • 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
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
    • 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
    • H04N19/102—Methods 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
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Advance Control (AREA)
  • Executing Machine-Instructions (AREA)
TW104114188A 2014-05-27 2015-05-04 專用算術編碼指令 TWI669945B (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/288,018 US9455743B2 (en) 2014-05-27 2014-05-27 Dedicated arithmetic encoding instruction
US14/288,018 2014-05-27

Publications (2)

Publication Number Publication Date
TW201607294A TW201607294A (zh) 2016-02-16
TWI669945B true TWI669945B (zh) 2019-08-21

Family

ID=53267582

Family Applications (1)

Application Number Title Priority Date Filing Date
TW104114188A TWI669945B (zh) 2014-05-27 2015-05-04 專用算術編碼指令

Country Status (10)

Country Link
US (1) US9455743B2 (https=)
EP (1) EP3149947B1 (https=)
JP (1) JP6695813B2 (https=)
KR (1) KR102296153B1 (https=)
CN (1) CN106415484B (https=)
BR (1) BR112016027558B1 (https=)
CA (1) CA2947856A1 (https=)
ES (1) ES2826425T3 (https=)
TW (1) TWI669945B (https=)
WO (1) WO2015183462A1 (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104394418B (zh) * 2014-09-23 2018-06-05 清华大学 一种视频数据编码、解码的方法及装置
WO2022231451A1 (en) * 2021-04-26 2022-11-03 Huawei Technologies Co., Ltd. Handling trailing bits in arithmetic encoding and decoding
CN118626147B (zh) * 2024-08-14 2024-11-01 北京开源芯片研究院 指令译码方法、装置、电子设备及可读介质

Citations (4)

* Cited by examiner, † Cited by third party
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US20090089549A1 (en) * 2007-09-27 2009-04-02 Qualcomm Incorporated H.264 Video Decoder CABAC Core Optimization Techniques
US20100284456A1 (en) * 2009-05-06 2010-11-11 Michael Frank Execution Units for Context Adaptive Binary Arithmetic Coding (CABAC)
US20110125987A1 (en) * 2009-11-20 2011-05-26 Qualcomm Incorporated Dedicated Arithmetic Decoding Instruction
US20130212357A1 (en) * 2012-02-09 2013-08-15 Qualcomm Incorporated Floating Point Constant Generation Instruction

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DE69327927T2 (de) * 1992-08-31 2000-10-12 Sun Microsystems, Inc. Schnelles Vorausholen und Zuteilung von Befehlen mittels vorausschauender Anmerkungen von früher vorausgeholten
US7769088B2 (en) * 2003-05-28 2010-08-03 Broadcom Corporation Context adaptive binary arithmetic code decoding engine
US7061410B1 (en) * 2005-07-18 2006-06-13 Lsi Logic Corporation Method and/or apparatus for transcoding between H.264 CABAC and CAVLC entropy coding modes
CN100466739C (zh) * 2005-10-12 2009-03-04 华为技术有限公司 Cabac解码系统及方法
CN101087411A (zh) * 2006-06-08 2007-12-12 威盛电子股份有限公司 译码方法
US7656326B2 (en) 2006-06-08 2010-02-02 Via Technologies, Inc. Decoding of context adaptive binary arithmetic codes in computational core of programmable graphics processing unit
US8749409B2 (en) 2006-08-25 2014-06-10 Sony Computer Entertainment Inc. Entropy decoding methods and apparatus using most probable and least probable signal cases
US7561082B2 (en) 2006-12-29 2009-07-14 Intel Corporation High performance renormalization for binary arithmetic video coding
CN100531386C (zh) * 2007-06-15 2009-08-19 上海富瀚微电子有限公司 一种上下文自适应二进制算术编码器及其方法
US7839311B2 (en) * 2007-08-31 2010-11-23 Qualcomm Incorporated Architecture for multi-stage decoding of a CABAC bitstream
US7535387B1 (en) * 2007-09-10 2009-05-19 Xilinx, Inc. Methods and systems for implementing context adaptive binary arithmetic coding
US7777654B2 (en) * 2007-10-16 2010-08-17 Industrial Technology Research Institute System and method for context-based adaptive binary arithematic encoding and decoding
US7932843B2 (en) * 2008-10-17 2011-04-26 Texas Instruments Incorporated Parallel CABAC decoding for video decompression
US7982641B1 (en) 2008-11-06 2011-07-19 Marvell International Ltd. Context-based adaptive binary arithmetic coding engine
US8913662B2 (en) * 2011-01-06 2014-12-16 Qualcomm Incorporated Indicating intra-prediction mode selection for video coding using CABAC
JP6130839B2 (ja) 2011-10-06 2017-05-17 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン エントロピー符号化

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090089549A1 (en) * 2007-09-27 2009-04-02 Qualcomm Incorporated H.264 Video Decoder CABAC Core Optimization Techniques
US20100284456A1 (en) * 2009-05-06 2010-11-11 Michael Frank Execution Units for Context Adaptive Binary Arithmetic Coding (CABAC)
US20110125987A1 (en) * 2009-11-20 2011-05-26 Qualcomm Incorporated Dedicated Arithmetic Decoding Instruction
US20130212357A1 (en) * 2012-02-09 2013-08-15 Qualcomm Incorporated Floating Point Constant Generation Instruction

Also Published As

Publication number Publication date
ES2826425T3 (es) 2021-05-18
JP6695813B2 (ja) 2020-05-20
JP2017525005A (ja) 2017-08-31
US20150349796A1 (en) 2015-12-03
KR20170013222A (ko) 2017-02-06
EP3149947A1 (en) 2017-04-05
BR112016027558B1 (pt) 2023-03-14
WO2015183462A1 (en) 2015-12-03
EP3149947B1 (en) 2020-07-22
TW201607294A (zh) 2016-02-16
BR112016027558A2 (https=) 2017-08-15
CA2947856A1 (en) 2015-12-03
KR102296153B1 (ko) 2021-08-30
CN106415484A (zh) 2017-02-15
CN106415484B (zh) 2019-02-01
US9455743B2 (en) 2016-09-27

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