KR940006352A - 비디오 압축 해제 연산용 가변길이 코드 디코더 - Google Patents

비디오 압축 해제 연산용 가변길이 코드 디코더 Download PDF

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KR940006352A
KR940006352A KR1019930009289A KR930009289A KR940006352A KR 940006352 A KR940006352 A KR 940006352A KR 1019930009289 A KR1019930009289 A KR 1019930009289A KR 930009289 A KR930009289 A KR 930009289A KR 940006352 A KR940006352 A KR 940006352A
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프랭크 에이치. 리아오
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윌리암 제이. 오미아라
씨-큐브 마이크로시스템즈, 인코오포레이티드
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Publication of KR940006352A publication Critical patent/KR940006352A/ko

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Abstract

압축 비디오 신호용 디코더는 중앙 처리 장치(CPU), DRAM컨트롤러, 가변 길이 코드(VLC)디코도, 픽셀필터 및 비디오 출력 장치로 구성된다. 마이크로 코드화된 CPU파이프라인 데이타로 경로를 이용하는 역 코사인 변환과 양자화 해제를 수행하는데, 법용 목적 및 특벌 목적의 하드웨어를 포함한다. 그 1실시예에서 VLC 디코더는 테이블이 제어정보와 디코드된 값을 포함하는 경우에 테이블-여진 상태기기(table-driven state machin)로서 실행된다.

Description

비디오 압축 해제 연산용 가변길이 코드 디코더
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 MPEG 표준이하에서의 압축 및 압축 해제 프로세스의 모델도,
제2도는 본 발명에 의한 비디오 디컴프레서 회로(200)의 블럭도.

Claims (4)

  1. 중앙 처리 장치의 명령에 따라 가변 길이 코드의 코드 스트림을 디코딩하는 장치에 있어서, 상기 명령을 수신 및 확인하여 상기 확인된 명령에 따라 어드레스의 제1필드를 제공하는 수단, 상기 코드 스트림의 처음의 트랙을 유지하기 위해 포인터를 제공하는 수단, 상기 코드 스트림의 처음 트랙으로 부터 상기 어드레스의 제2필드로서의 사용을 위한 미리 결정된 수의 비트를 추출하는 수단, 상기 가변길이 코드의 각각에 대한 디코딩한 값과 제어 정보를 기억하기 위해 다수의 워드를 제공하는 메모리 시스템을 포함하는데, 상기 메모리 시스템의 각 워드는(i) 상기 메모리 시스템에 대한 다음 액세스가 상기 명령의 실행을 완료하도록 요구되는지의여부와, (ii)비트의 수가 상기 포인터를 전진시키도록 요구되는가를 포시하며, 상기 다음 액세스가 필요하다고 상기 워드가 표시하면, 상기 워드는 다음 어드레스를 발생시키는데 사용되는 제3필드를 추가로 제공하고, 상기 아몽 액세스가 필요하지 않다고 상기 워드가 표시하며, 상기 워드는 상기 디코딩된 값으로 제공하며, 상기 제3필드를 사용하는 상기 다음 어드레스와 상기 코드 스트림으로 부터의 밀 결정된 수의 비트 형성시키고, 상기 메모리 시스템에 대하여 상기 다음 액세스를 야기시키는 수단을 포함하는 것을 특징으로 하는 장치.
  2. 제1항에 있어서, 상기 가변 길이 코드의 다수는 제1, 제2값을 인코드하는, 미리 결정된 값의 수배를 나타내는 상기 제2의 값을 반복되며, 상기 가변 길이 코드의 다수의 각각에 대한 디코딩은 상기 미리 결정된 상기 수배로 출력하는 것을 포함하고, 상기 장치는 상기 미리 결정된 값을 출력하는 제어 회로를 추가로 포함하며, 상기 가변길이 코드의 다수를 디코딩하는 동안 액세스된 상기 메모리 워드는 상기 제어회로를 제어하는 제어 정보를 포함하는 것을 특징으로 하는 장치.
  3. 중앙 처리 장치의 명령에 따라 가변 길이 코드의 코드 스트림을 디코딩하는 방법에 있어서, 상기 명령을 수신 및 확인하여 상기 확인된 명령에 따라 어드레스의 제1필드를 제공하는 방법, 상기 코드 스트림의 처음의 틀랙을 유지하기 위해 포인터를 제공하는 수단, 상기 코드스트림의 처음 트랙으로부터 상기 어드레스의 제2필드로서의 사용을 위한 미리 결정된 수의 비트를 추출하는 수단, 상기 가변 길이 코드의 각각에 대한 디코딩된 값과 제어 정보를 기억하기 위해 다수의 워드를 포함하는 메모리 시스템을 제공하는 단계를 포함하는데, 상기 메모리 시스템의 각 워드는(i) 상기 메모리 시스템에 대한 다음 액세스가 상기 명령의 실행을 완료하도록 요구되는지의 여부와,(ii)비트의 수가 상기 포인터를 전진시키도록 요구되는가를 표시하며, 상기 다음 액세스가 필요하다고 상기 워드가 표시하면, 상기 워드는 다음 어드레스를 발생시키는데 사용되는 제3필드를 추가로 제공하고, 상기 다음 액세스가 필요하지 않다고 상기 워드가 표시하면, 상기 워드는 상기 디코딩된 값으로 제공하며, 상기 제3필드를 사용하는 상기 다음 어드레스와 상기 코드 스트림으로 부터의 미리 결정된 수의 비트를 형성시키고, 상기 다음 어드레스에서의 워드가 상기 명령의 실행이 완료되었음을 표시할 때까지 상기 메모리 시스템에 대하여 상기 다음 액세스를 야기시키는 방법을 포함하는 것을 특징으로 하는 방법.
  4. 제3항에 있어서, 상기 가변 길이 코드의 다수는 제1, 제2값을 인코드하고, 미리 결정된 값을 수배를 나타내는 상기 제2의 값은 반복되며, 상기 가변 길이 코드의 다수의 각각에 대한 디코딩은 상기 미리 결정된 상기 수배로 출력하는 것을 포함하고, 상기 방법은 상기 미리 결정된 값을 결정하는 제어 회로를 제공하는 단계를 추가로 포함하며, 상기 가변 길이 코드의 다수를 디코딩하는 동안 액세스된 상기 메모리 워드는 상기 제어회로를 제어하는 제어 정보를 포함하는 것을 특징으로 하는 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930009289A 1992-05-28 1993-05-27 비디오 압축 해제 연산용 가변길이 코드 디코더 KR940006352A (ko)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100255845B1 (ko) * 1997-08-07 2000-05-01 허진호 탁상용 오디오의 씨디피
KR100255844B1 (ko) * 1997-08-07 2000-05-01 허진호 벽걸이용 오디오의 씨디피

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9405914D0 (en) 1994-03-24 1994-05-11 Discovision Ass Video decompression
US5649029A (en) * 1991-03-15 1997-07-15 Galbi; David E. MPEG audio/video decoder
SG45281A1 (en) * 1992-06-26 1998-01-16 Discovision Ass Method and arrangement for transformation of signals from a frequency to a time domain
US6330665B1 (en) 1992-06-30 2001-12-11 Discovision Associates Video parser
US6263422B1 (en) 1992-06-30 2001-07-17 Discovision Associates Pipeline processing machine with interactive stages operable in response to tokens and system and methods relating thereto
US5842033A (en) 1992-06-30 1998-11-24 Discovision Associates Padding apparatus for passing an arbitrary number of bits through a buffer in a pipeline system
US5821885A (en) 1994-07-29 1998-10-13 Discovision Associates Video decompression
US5768561A (en) 1992-06-30 1998-06-16 Discovision Associates Tokens-based adaptive video processing arrangement
DE69229338T2 (de) 1992-06-30 1999-12-16 Discovision Associates, Irvine Datenpipelinesystem
US6047112A (en) 1992-06-30 2000-04-04 Discovision Associates Technique for initiating processing of a data stream of encoded video information
US6067417A (en) 1992-06-30 2000-05-23 Discovision Associates Picture start token
US6034674A (en) 1992-06-30 2000-03-07 Discovision Associates Buffer manager
US5809270A (en) 1992-06-30 1998-09-15 Discovision Associates Inverse quantizer
US6079009A (en) 1992-06-30 2000-06-20 Discovision Associates Coding standard token in a system compromising a plurality of pipeline stages
US6417859B1 (en) 1992-06-30 2002-07-09 Discovision Associates Method and apparatus for displaying video data
US6112017A (en) 1992-06-30 2000-08-29 Discovision Associates Pipeline processing machine having a plurality of reconfigurable processing stages interconnected by a two-wire interface bus
US5805914A (en) 1993-06-24 1998-09-08 Discovision Associates Data pipeline system and data encoding method
JPH0723389A (ja) * 1993-06-28 1995-01-24 Toshiba Corp 画像処理装置
US5598514A (en) * 1993-08-09 1997-01-28 C-Cube Microsystems Structure and method for a multistandard video encoder/decoder
US5576765A (en) * 1994-03-17 1996-11-19 International Business Machines, Corporation Video decoder
CA2145379C (en) 1994-03-24 1999-06-08 William P. Robbins Method and apparatus for addressing memory
CA2145365C (en) 1994-03-24 1999-04-27 Anthony M. Jones Method for accessing banks of dram
CA2145361C (en) 1994-03-24 1999-09-07 Martin William Sotheran Buffer manager
GB9417138D0 (en) 1994-08-23 1994-10-12 Discovision Ass Data rate conversion
US5638128A (en) * 1994-11-08 1997-06-10 General Instrument Corporation Of Delaware Pixel interpolation filters for video decompression processor
EP0714212A3 (en) * 1994-11-21 1999-03-31 SICAN, GESELLSCHAFT FÜR SILIZIUM-ANWENDUNGEN UND CAD/CAT NIEDERSACHSEN mbH Video decoder using concurrent processing and resource sharing
JP3732867B2 (ja) * 1995-03-09 2006-01-11 株式会社ルネサステクノロジ 画像伸張装置
FR2735258B1 (fr) * 1995-06-09 1997-09-05 Sgs Thomson Microelectronics Dispositif de decodage d'un flux de donnees
US5910909A (en) * 1995-08-28 1999-06-08 C-Cube Microsystems, Inc. Non-linear digital filters for interlaced video signals and method thereof
GB2305047A (en) * 1995-09-01 1997-03-26 Motorola Inc Inverse DCT image processing
JP3729540B2 (ja) * 1995-09-08 2005-12-21 株式会社ルネサステクノロジ 画像処理装置
KR100194039B1 (ko) * 1996-04-19 1999-06-15 윤종용 엠펙 시스템의 우선순위 처리회로
CN1156171C (zh) 1997-04-07 2004-06-30 松下电器产业株式会社 提高处理效率的图象声音处理装置
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.
WO1999067883A2 (en) * 1998-06-25 1999-12-29 Equator Technologies, Inc. Processing circuit and method for variable-length coding and decoding
US6414996B1 (en) 1998-12-08 2002-07-02 Stmicroelectronics, Inc. System, method and apparatus for an instruction driven digital video processor
US6418165B1 (en) 1999-05-12 2002-07-09 Sony Corporation System and method for performing inverse quantization of a video stream
JP4534320B2 (ja) * 2000-08-10 2010-09-01 ソニー株式会社 プロセッサ及びそれを用いた復号装置
US8284844B2 (en) 2002-04-01 2012-10-09 Broadcom Corporation Video decoding system supporting multiple standards
EP2798476B1 (en) * 2011-12-30 2018-09-19 Intel Corporation Vector frequency expand instruction
EP2798480B1 (en) * 2011-12-30 2018-09-26 Intel Corporation Vector frequency compress instruction

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0451720A (ja) * 1990-06-20 1992-02-20 Ricoh Co Ltd 可変長符号復号装置
JPH04100324A (ja) * 1990-08-18 1992-04-02 Ricoh Co Ltd 可変長符号の復号方式

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100255845B1 (ko) * 1997-08-07 2000-05-01 허진호 탁상용 오디오의 씨디피
KR100255844B1 (ko) * 1997-08-07 2000-05-01 허진호 벽걸이용 오디오의 씨디피

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