JP5857273B2 - ストリーム処理装置 - Google Patents
ストリーム処理装置 Download PDFInfo
- Publication number
- JP5857273B2 JP5857273B2 JP2013514859A JP2013514859A JP5857273B2 JP 5857273 B2 JP5857273 B2 JP 5857273B2 JP 2013514859 A JP2013514859 A JP 2013514859A JP 2013514859 A JP2013514859 A JP 2013514859A JP 5857273 B2 JP5857273 B2 JP 5857273B2
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- JP
- Japan
- Prior art keywords
- stream processing
- access
- stream
- processing apparatus
- clock
- 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.)
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/14—Handling requests for interconnection or transfer
- G06F13/16—Handling requests for interconnection or transfer for access to memory bus
- G06F13/1605—Handling requests for interconnection or transfer for access to memory bus based on arbitration
-
- 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
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/23805—Controlling the feeding rate to the network, e.g. by controlling the video pump
-
- 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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
- H04N21/64723—Monitoring of network processes or resources, e.g. monitoring of network load
- H04N21/64738—Monitoring network characteristics, e.g. bandwidth, congestion level
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Bus Control (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Description
30,230,330,430 アクセス制御部
42 メインメモリ(メモリ)
100,200,300,400 ストリーム処理装置
434 クロック制御部
Claims (4)
- メモリへのアクセスを行うストリーム処理装置であって、
それぞれへの入力ストリーム内のタイムスタンプを抽出し、前記タイムスタンプと基準時間との差に基づいて前記メモリへのアクセスについての優先度情報を求め、前記メモリへのアクセス要求と前記優先度情報とを出力し、アクセス許可が与えられると前記メモリへのアクセスを行う複数のストリーム処理部と、
前記アクセス要求と前記優先度情報とに基づいて、前記複数のストリーム処理部のうち、最も優先度が高いストリーム処理部にアクセス許可を与え、その後、アクセス許可が与えられた前記ストリーム処理部の処理が終了すると処理が終了した前記ストリーム処理部の次に優先度が高いストリーム処理部にアクセス許可を与えることを繰り返すアクセス制御部とを備える
ストリーム処理装置。 - 請求項1に記載のストリーム処理装置において、
前記アクセス制御部は、前記複数のストリーム処理部に対して、それぞれへの入力ストリームの処理に必要な、前記メモリへの転送帯域幅にも基づいて、アクセス許可を与える
ストリーム処理装置。 - 請求項1に記載のストリーム処理装置において、
前記アクセス制御部は、入力されたオフセットに基づいて前記優先度情報を変更して用いる
ストリーム処理装置。 - 請求項1に記載のストリーム処理装置において、
前記アクセス制御部は、アクセス許可が与えられていない前記ストリーム処理部に対して、アクセス許可が与えられていない期間においてクロックを停止することを指示するクロック制御信号を出力するクロック制御部を有し、
前記クロック制御信号によってクロックを停止することを指示された前記ストリーム処理部は、その内部で使用されているクロックの少なくとも一部を停止する
ストリーム処理装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013514859A JP5857273B2 (ja) | 2011-05-17 | 2011-12-21 | ストリーム処理装置 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011110603 | 2011-05-17 | ||
JP2011110603 | 2011-05-17 | ||
PCT/JP2011/007175 WO2012157033A1 (ja) | 2011-05-17 | 2011-12-21 | ストリーム処理装置 |
JP2013514859A JP5857273B2 (ja) | 2011-05-17 | 2011-12-21 | ストリーム処理装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2012157033A1 JPWO2012157033A1 (ja) | 2014-07-31 |
JP5857273B2 true JP5857273B2 (ja) | 2016-02-10 |
Family
ID=47176403
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013514859A Expired - Fee Related JP5857273B2 (ja) | 2011-05-17 | 2011-12-21 | ストリーム処理装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20140068128A1 (ja) |
JP (1) | JP5857273B2 (ja) |
WO (1) | WO2012157033A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8959263B2 (en) * | 2013-01-08 | 2015-02-17 | Apple Inc. | Maintaining I/O priority and I/O sorting |
US9772959B2 (en) | 2014-05-30 | 2017-09-26 | Apple Inc. | I/O scheduling |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11205707A (ja) * | 1998-01-08 | 1999-07-30 | Jisedai Joho Hoso System Kenkyusho:Kk | タイムスタンプを利用する放送システムと受信端末装置 |
JP2007280253A (ja) * | 2006-04-11 | 2007-10-25 | Canon Inc | 情報処理装置及び情報処理方法 |
JP2009088926A (ja) * | 2007-09-28 | 2009-04-23 | Nec Corp | 動画像受信装置、動画像受信方法、及びプログラム |
JP2009188981A (ja) * | 2008-01-08 | 2009-08-20 | Hitachi Ltd | コンテンツ配信方法及び受信装置 |
JP2010134628A (ja) * | 2008-12-03 | 2010-06-17 | Renesas Technology Corp | メモリコントローラおよびデータ処理装置 |
JP2011071800A (ja) * | 2009-09-28 | 2011-04-07 | Hitachi Consumer Electronics Co Ltd | ストリーム処理装置 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3845425A (en) * | 1973-06-15 | 1974-10-29 | Gte Automatic Electric Lab Inc | Method and apparatus for providing conditional and unconditional access to protected memory storage locations |
US4096571A (en) * | 1976-09-08 | 1978-06-20 | Codex Corporation | System for resolving memory access conflicts among processors and minimizing processor waiting times for access to memory by comparing waiting times and breaking ties by an arbitrary priority ranking |
US5586264A (en) * | 1994-09-08 | 1996-12-17 | Ibm Corporation | Video optimized media streamer with cache management |
US6088693A (en) * | 1996-12-06 | 2000-07-11 | International Business Machines Corporation | Data management system for file and database management |
US6091709A (en) * | 1997-11-25 | 2000-07-18 | International Business Machines Corporation | Quality of service management for packet switched networks |
JP3651326B2 (ja) * | 1999-09-06 | 2005-05-25 | 松下電器産業株式会社 | データ送信装置およびデータ受信装置 |
JP4733877B2 (ja) * | 2001-08-15 | 2011-07-27 | 富士通セミコンダクター株式会社 | 半導体装置 |
US7047308B2 (en) * | 2001-08-31 | 2006-05-16 | Sharp Laboratories Of America, Inc. | System and method for simultaneous media playout |
US6804738B2 (en) * | 2001-10-12 | 2004-10-12 | Sonics, Inc. | Method and apparatus for scheduling a resource to meet quality-of-service restrictions |
US7788396B2 (en) * | 2001-11-28 | 2010-08-31 | Interactive Content Engines, Llc | Synchronized data transfer system |
US7284111B1 (en) * | 2002-04-17 | 2007-10-16 | Dinochip, Inc. | Integrated multidimensional sorter |
TW569236B (en) * | 2002-10-03 | 2004-01-01 | Via Tech Inc | Multiple-grant controller with parallel arbitration mechanism and related method |
JP4750350B2 (ja) * | 2003-03-13 | 2011-08-17 | パナソニック株式会社 | タスク切換装置、方法及びプログラム |
US7472159B2 (en) * | 2003-05-15 | 2008-12-30 | International Business Machines Corporation | System and method for adaptive admission control and resource management for service time guarantees |
KR100630693B1 (ko) * | 2004-07-28 | 2006-10-02 | 삼성전자주식회사 | 소비 전력을 절감시키는 버스 중재 시스템 및 방법 |
EP2021921A2 (en) * | 2006-05-17 | 2009-02-11 | Nxp B.V. | Multi-processing system and a method of executing a plurality of data processing tasks |
US8327057B1 (en) * | 2007-04-16 | 2012-12-04 | Juniper Networks, Inc. | Ordering write bursts to memory |
US7724780B2 (en) * | 2007-04-19 | 2010-05-25 | Cisco Technology, Ink. | Synchronization of one or more source RTP streams at multiple receiver destinations |
US7574547B1 (en) * | 2007-07-17 | 2009-08-11 | Sun Microsystems, Inc. | Ring counter based starvation free weighted priority encoded arbiter |
US20090178091A1 (en) * | 2008-01-08 | 2009-07-09 | Hiroki Miyamoto | Contents distribution method and receiving device |
TWI396443B (zh) * | 2008-12-22 | 2013-05-11 | Ind Tech Res Inst | 應用於網路串流之影音控制回應及頻寬調適方法與使用該方法之伺服器 |
US20120281704A1 (en) * | 2011-05-02 | 2012-11-08 | Butterworth Ashley I | Methods and apparatus for isochronous data delivery within a network |
US8745335B2 (en) * | 2011-06-29 | 2014-06-03 | Synopsys, Inc. | Memory arbiter with latency guarantees for multiple ports |
US20150154132A1 (en) * | 2013-12-02 | 2015-06-04 | Sandisk Technologies Inc. | System and method of arbitration associated with a multi-threaded system |
-
2011
- 2011-12-21 JP JP2013514859A patent/JP5857273B2/ja not_active Expired - Fee Related
- 2011-12-21 WO PCT/JP2011/007175 patent/WO2012157033A1/ja active Application Filing
-
2013
- 2013-11-07 US US14/074,418 patent/US20140068128A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11205707A (ja) * | 1998-01-08 | 1999-07-30 | Jisedai Joho Hoso System Kenkyusho:Kk | タイムスタンプを利用する放送システムと受信端末装置 |
JP2007280253A (ja) * | 2006-04-11 | 2007-10-25 | Canon Inc | 情報処理装置及び情報処理方法 |
JP2009088926A (ja) * | 2007-09-28 | 2009-04-23 | Nec Corp | 動画像受信装置、動画像受信方法、及びプログラム |
JP2009188981A (ja) * | 2008-01-08 | 2009-08-20 | Hitachi Ltd | コンテンツ配信方法及び受信装置 |
JP2010134628A (ja) * | 2008-12-03 | 2010-06-17 | Renesas Technology Corp | メモリコントローラおよびデータ処理装置 |
JP2011071800A (ja) * | 2009-09-28 | 2011-04-07 | Hitachi Consumer Electronics Co Ltd | ストリーム処理装置 |
Also Published As
Publication number | Publication date |
---|---|
US20140068128A1 (en) | 2014-03-06 |
WO2012157033A1 (ja) | 2012-11-22 |
JPWO2012157033A1 (ja) | 2014-07-31 |
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