JP4493366B2 - ファイルアクセス装置 - Google Patents
ファイルアクセス装置 Download PDFInfo
- Publication number
- JP4493366B2 JP4493366B2 JP2004049576A JP2004049576A JP4493366B2 JP 4493366 B2 JP4493366 B2 JP 4493366B2 JP 2004049576 A JP2004049576 A JP 2004049576A JP 2004049576 A JP2004049576 A JP 2004049576A JP 4493366 B2 JP4493366 B2 JP 4493366B2
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- JP
- Japan
- Prior art keywords
- instruction
- read
- file
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- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
- H04N5/77—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera
- H04N5/772—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera the recording apparatus and the television camera being placed in the same enclosure
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
- G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
- G11B27/326—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier used signal is a video-frame or a video-field (P.I.P.)
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/32—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on separate auxiliary tracks of the same or an auxiliary record carrier
- G11B27/327—Table of contents
- G11B27/329—Table of contents on a disc [VTOC]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/907—Television signal recording using static stores, e.g. storage tubes or semiconductor memories
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
- H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/79—Processing of colour television signals in connection with recording
- H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
- H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
- H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Television Signal Processing For Recording (AREA)
- Studio Devices (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Description
14 …イメージセンサ
24 …SDRAM
24d …インデックス情報テーブル
24e,24f …指示リスト
30 …LCD
34 …記録媒体
36 …CPU
Claims (7)
- マルチタスクOSと当該マルチタスクOSを実行するCPUを備え、動画像を形成する複数画面の画像データと前記複数画面の画像データを管理するインデックス情報とが格納された画像ファイルにアクセスするファイルアクセス装置において、
前記マルチタスクOSの管理の下で前記CPUにより実行される複数のタスクは、
前記画像ファイルから前記インデックス情報を読み出すための第1読み出し指示を発行する第1指示発行タスク、
前記画像ファイルから画像データを読み出すための第2読み出し指示を前記第1読み出し指示によって読み出されたインデックス情報を参照して発行する第2指示発行タスク、および
前記第1指示発行タスクによって発行された第1読み出し指示および前記第2指示発行タスクによって発行された第2読み出し指示の各々に従って前記画像ファイルにアクセスするアクセスタスクを含むことを特徴とする、ファイルアクセス装置。 - 前記アクセスタスクは、発行済みの第2読み出し指示に従うアクセスが完了するまで前記第1読み出し指示に従うアクセスを中断するアクセス中断処理を含み、
前記第2指示発行タスクは、参照すべきインデックス情報が未だ読み出されていないとき前記第2読み出し指示の発行を中断する発行中断処理を含む、請求項1記載のファイルアクセス装置。 - 前記第1指示発行タスクは、前記第2指示発行タスクによる前記第2読み出し指示の発行に先立って前記第1読み出し指示の発行処理を開始する、請求項1または2記載のファイルアクセス装置。
- 前記第1指示発行タスクは、前記画像ファイルを選択する選択操作を受け付けたとき前記第1読み出し指示の発行を開始し、
前記第2指示発行タスクは、前記画像データの読み出しを開始する開始操作を受け付けたとき前記第2読み出し指示の発行を開始する、請求項1ないし3のいずれかに記載のファイルアクセス装置。 - 前記開始操作は前記選択操作の後に行われる、請求項4記載のファイルアクセス装置。
- 前記インデックス情報は1画面毎に作成される、請求項1ないし5のいずれかに記載のファイルアクセス装置。
- 前記第2読み出し指示によって読み出された画像データに基づく画像を表示する表示手段をさらに備える、請求項1ないし6のいずれかに記載のファイルアクセス装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004049576A JP4493366B2 (ja) | 2004-02-25 | 2004-02-25 | ファイルアクセス装置 |
US10/588,858 US20070186162A1 (en) | 2004-02-25 | 2005-01-11 | File access apparatus |
PCT/JP2005/000449 WO2005081521A1 (ja) | 2004-02-25 | 2005-01-11 | ファイルアクセス装置 |
CNA2005800057422A CN1922871A (zh) | 2004-02-25 | 2005-01-11 | 文件访问装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004049576A JP4493366B2 (ja) | 2004-02-25 | 2004-02-25 | ファイルアクセス装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005244441A JP2005244441A (ja) | 2005-09-08 |
JP4493366B2 true JP4493366B2 (ja) | 2010-06-30 |
Family
ID=34879552
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004049576A Expired - Fee Related JP4493366B2 (ja) | 2004-02-25 | 2004-02-25 | ファイルアクセス装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20070186162A1 (ja) |
JP (1) | JP4493366B2 (ja) |
CN (1) | CN1922871A (ja) |
WO (1) | WO2005081521A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070240058A1 (en) * | 2006-04-10 | 2007-10-11 | Ming-Jun Chen | Method and apparatus for displaying multiple frames on a display screen |
JP2010068432A (ja) * | 2008-09-12 | 2010-03-25 | Toshiba Corp | 映像データ処理装置及び映像データ処理方法 |
CN101819807B (zh) * | 2010-05-13 | 2014-06-11 | 中兴通讯股份有限公司 | 在多媒体文件控制过程中实现快速响应的方法及播放装置 |
CN103559898B (zh) | 2013-10-11 | 2017-01-18 | 华为技术有限公司 | 多媒体文件播放方法、播放装置和系统 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030112260A1 (en) * | 1998-02-27 | 2003-06-19 | Tomonobu Gouzu | Information retrieval system and information processing system |
JP3631034B2 (ja) * | 1999-02-17 | 2005-03-23 | 三洋電機株式会社 | ディジタルカメラ |
JP2001184798A (ja) * | 1999-12-27 | 2001-07-06 | Seiko Epson Corp | 動画再生装置 |
JP3403141B2 (ja) * | 2000-03-13 | 2003-05-06 | 三洋電機株式会社 | 動画像再生装置 |
WO2002058384A1 (fr) * | 2001-01-19 | 2002-07-25 | Matsushita Electric Industrial Co., Ltd. | Appareil et procede de reproduction |
JP2003009044A (ja) * | 2001-06-26 | 2003-01-10 | Canon Inc | 記録装置、再生装置及びその方法 |
US20040258162A1 (en) * | 2003-06-20 | 2004-12-23 | Stephen Gordon | Systems and methods for encoding and decoding video data in parallel |
-
2004
- 2004-02-25 JP JP2004049576A patent/JP4493366B2/ja not_active Expired - Fee Related
-
2005
- 2005-01-11 WO PCT/JP2005/000449 patent/WO2005081521A1/ja active Application Filing
- 2005-01-11 CN CNA2005800057422A patent/CN1922871A/zh active Pending
- 2005-01-11 US US10/588,858 patent/US20070186162A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO2005081521A1 (ja) | 2005-09-01 |
CN1922871A (zh) | 2007-02-28 |
US20070186162A1 (en) | 2007-08-09 |
JP2005244441A (ja) | 2005-09-08 |
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