JP6440034B2 - ビデオデータを再生する方法及び装置 - Google Patents
ビデオデータを再生する方法及び装置 Download PDFInfo
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- JP6440034B2 JP6440034B2 JP2015508869A JP2015508869A JP6440034B2 JP 6440034 B2 JP6440034 B2 JP 6440034B2 JP 2015508869 A JP2015508869 A JP 2015508869A JP 2015508869 A JP2015508869 A JP 2015508869A JP 6440034 B2 JP6440034 B2 JP 6440034B2
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- 238000000034 method Methods 0.000 title claims description 20
- 230000002123 temporal effect Effects 0.000 claims description 17
- 238000000605 extraction Methods 0.000 claims description 9
- 239000000284 extract Substances 0.000 claims description 5
- 230000006835 compression Effects 0.000 description 8
- 238000007906 compression Methods 0.000 description 8
- 238000013075 data extraction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- AWSBQWZZLBPUQH-UHFFFAOYSA-N mdat Chemical compound C1=C2CC(N)CCC2=CC2=C1OCO2 AWSBQWZZLBPUQH-UHFFFAOYSA-N 0.000 description 4
- 230000008520 organization Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
-
- 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
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
-
- 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
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234327—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by decomposing into layers, e.g. base layer and one or more enhancement layers
-
- 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
- H04N21/432—Content retrieval operation from a local storage medium, e.g. hard-disk
- H04N21/4325—Content retrieval operation from a local storage medium, e.g. hard-disk by playing back content from the storage medium
-
- 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
- H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
- H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
- H04N21/4621—Controlling the complexity of the content stream or additional data, e.g. lowering the resolution or bit-rate of the video stream for a mobile client with a small screen
-
- 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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/854—Content authoring
- H04N21/85406—Content authoring involving a specific file format, e.g. MP4 format
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/91—Television signal processing therefor
- H04N5/93—Regeneration of the television signal or of selected parts thereof
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Television Signal Processing For Recording (AREA)
- Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
- Management Or Editing Of Information On Record Carriers (AREA)
Description
120 格納部
130 ビデオデータ抽出部
140 ビデオ属性抽出部
150 時間階層抽出部
160 復元部
170 再生部
410 ftypボックス
420 moovボックス
421 trakボックス
422 tkhdボックス
423 mdiaボックス
424 minfボックス
425 stblボックス
426 tlasボックス
430 mdatボックス
501 時間階層アクセスサンプル
Claims (8)
- ビデオデータを再生する方法であって、
ビデオデータストリームと前記ビデオデータストリームの属性情報とを含むビデオファイルを受信する過程と、
前記ビデオデータストリームから、基本時間階層に対応する時間階層識別値を有する少なくとも一つのサンプルを抽出し、前記抽出された少なくとも一つのサンプルを再生する過程と、
前記抽出された少なくとも一つのサンプルを再生する間に時間階層の拡張が要求されると、前記属性情報に含まれる時間階層アクセスが可能なサンプルについての時間階層アクセス位置情報に基づいて、前記時間階層の拡張が可能なサンプルを抽出する過程と、
前記時間階層の拡張が可能なサンプルを時間スイッチングポイントとして、前記時間スイッチングポイント以後に、前記ビデオデータストリームから、前記時間階層の拡張が可能なサンプルより大きい時間階層識別値を有する少なくとも一つのサンプルを抽出する過程と、
前記時間階層の拡張が可能なサンプルとともに、前記時間階層の拡張が可能なサンプルより大きい時間階層識別値を有する少なくとも一つのサンプルを再生する過程と
を含む方法。 - 前記属性情報は、前記時間階層の拡張が可能な少なくとも一つのサンプルの総数を含む、請求項1に記載の方法。
- 前記受信されたビデオファイルは、ISOFF(ISO base media File Format)に格納され、前記属性情報は、前記ISOFFのstbl(sample table)ボックスに含まれる、請求項1に記載の方法。
- 前記属性情報は、前記stblボックスの内に含まれる新たなボックスに挿入される、請求項3に記載の方法。
- ビデオデータを再生する装置であって、
再生部と、
ビデオデータストリームと前記ビデオデータストリームの属性情報とを含むビデオファイルを受信する受信部と、
前記ビデオデータストリームから、基本時間階層に対応する時間階層識別値を有する少なくとも一つのサンプルを抽出し、前記抽出された少なくとも一つのサンプルを再生し、前記抽出された少なくとも一つのサンプルを再生する間に時間階層の拡張が要求されると、前記属性情報に含まれる時間階層アクセスが可能なサンプルについての時間階層アクセス位置情報に基づいて、前記時間階層の拡張が可能なサンプルを抽出し、前記抽出された時間階層の拡張可能なサンプルを時間スイッチングポイントとして、前記時間スイッチングポイント以後に、前記ビデオデータストリームから、前記時間階層の拡張が可能なサンプルより大きい時間階層識別値を有する少なくとも一つのサンプルを抽出し、前記時間階層の拡張が可能なサンプルとともに、前記時間階層の拡張が可能なサンプルより大きい時間階層識別値を有する少なくとも一つのサンプルを再生するように制御する制御部と、
を含む装置。 - 前記属性情報は、前記時間階層の拡張が可能な少なくとも一つのサンプルの総数を含む、請求項5に記載の装置。
- 前記受信されたビデオファイルは、ISOFF(ISO base media File Format)に格納され、前記属性情報は、前記ISOFFのstblボックスに含まれる、請求項5に記載の装置。
- 前記属性情報は、前記stblボックスの内に含まれる新たなボックスに挿入される、請求項7に記載の装置。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2012-0043182 | 2012-04-25 | ||
KR1020120043182A KR101995270B1 (ko) | 2012-04-25 | 2012-04-25 | 비디오 데이터를 재생하는 방법 및 장치 |
PCT/KR2013/003569 WO2013162304A1 (ko) | 2012-04-25 | 2013-04-25 | 비디오 데이터를 재생하는 방법 및 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015520553A JP2015520553A (ja) | 2015-07-16 |
JP6440034B2 true JP6440034B2 (ja) | 2018-12-19 |
Family
ID=49483520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2015508869A Active JP6440034B2 (ja) | 2012-04-25 | 2013-04-25 | ビデオデータを再生する方法及び装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10158888B2 (ja) |
EP (1) | EP2843940A4 (ja) |
JP (1) | JP6440034B2 (ja) |
KR (1) | KR101995270B1 (ja) |
CN (1) | CN104380718B (ja) |
WO (1) | WO2013162304A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR101815194B1 (ko) | 2015-11-18 | 2018-01-30 | 삼성전자주식회사 | 의료 영상 데이터 처리 방법 및 장치 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2006074531A (ja) * | 2004-09-03 | 2006-03-16 | Canon Inc | データ記録再生装置及び方法 |
US7280734B2 (en) * | 2004-09-09 | 2007-10-09 | Micro Optics, Inc. | Expanding single mode fiber mode field for high power applications by fusion with multimode fiber |
CN101313578B (zh) * | 2005-09-26 | 2011-10-19 | 韩国电子通信研究院 | 用于在可伸缩视频编码中定义和重构感兴趣区域的方法和装置 |
CN101317460A (zh) * | 2005-10-11 | 2008-12-03 | 诺基亚公司 | 用于有效的可伸缩流适配的***和方法 |
EP2174502A2 (en) | 2007-06-26 | 2010-04-14 | Nokia Corporation | System and method for indicating temporal layer switching points |
WO2009075495A1 (en) * | 2007-12-10 | 2009-06-18 | Samsung Electronics Co., Ltd. | System and method for generating and reproducing image file including 2d image and 3d stereoscopic image |
JP5462259B2 (ja) | 2008-07-16 | 2014-04-02 | シズベル インターナショナル エス.アー. | トラックおよびトラックサブセットグループ化の方法および装置 |
KR20120034550A (ko) | 2010-07-20 | 2012-04-12 | 한국전자통신연구원 | 스트리밍 컨텐츠 제공 장치 및 방법 |
US8930562B2 (en) * | 2010-07-20 | 2015-01-06 | Qualcomm Incorporated | Arranging sub-track fragments for streaming video data |
KR102062821B1 (ko) * | 2010-09-29 | 2020-01-07 | 한국전자통신연구원 | 필터 정보 예측을 이용한 영상 부호화/복호화 방법 및 장치 |
US8537900B2 (en) | 2010-10-04 | 2013-09-17 | Vidyo, Inc. | Automatic temporal layer bit allocation |
KR101206698B1 (ko) | 2010-10-06 | 2012-11-30 | 한국항공대학교산학협력단 | 스트리밍 콘텐츠 제공 장치 및 방법 |
JP5752268B2 (ja) * | 2011-01-14 | 2015-07-22 | ヴィディオ・インコーポレーテッド | 時間スケーラビリティのための高いレイヤのシンタックス |
-
2012
- 2012-04-25 KR KR1020120043182A patent/KR101995270B1/ko active IP Right Grant
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2013
- 2013-04-25 EP EP13782581.6A patent/EP2843940A4/en not_active Ceased
- 2013-04-25 US US14/397,358 patent/US10158888B2/en active Active
- 2013-04-25 JP JP2015508869A patent/JP6440034B2/ja active Active
- 2013-04-25 WO PCT/KR2013/003569 patent/WO2013162304A1/ko active Application Filing
- 2013-04-25 CN CN201380033339.5A patent/CN104380718B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
WO2013162304A1 (ko) | 2013-10-31 |
EP2843940A1 (en) | 2015-03-04 |
KR20130120147A (ko) | 2013-11-04 |
KR101995270B1 (ko) | 2019-07-03 |
CN104380718A (zh) | 2015-02-25 |
JP2015520553A (ja) | 2015-07-16 |
US10158888B2 (en) | 2018-12-18 |
EP2843940A4 (en) | 2015-10-14 |
CN104380718B (zh) | 2017-10-27 |
US20150085940A1 (en) | 2015-03-26 |
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