CN101027909A - 在视频传输流中插入元数据用于特技播放 - Google Patents
在视频传输流中插入元数据用于特技播放 Download PDFInfo
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- CN101027909A CN101027909A CNA2005800322254A CN200580032225A CN101027909A CN 101027909 A CN101027909 A CN 101027909A CN A2005800322254 A CNA2005800322254 A CN A2005800322254A CN 200580032225 A CN200580032225 A CN 200580032225A CN 101027909 A CN101027909 A CN 101027909A
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- 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
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving MPEG packets from an IP network
- H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
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- 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
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
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- 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
- H04N21/2383—Channel coding or modulation of digital bit-stream, e.g. QPSK modulation
-
- 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
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4331—Caching operations, e.g. of an advertisement for later insertion during playback
-
- 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
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
-
- 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
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/84—Generation or processing of descriptive data, e.g. content descriptors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/78—Television signal recording using magnetic recording
- H04N5/782—Television signal recording using magnetic recording on tape
- H04N5/783—Adaptations for reproducing at a rate different from the recording rate
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/78—Television signal recording using magnetic recording
- H04N5/781—Television signal recording using magnetic recording on disks or drums
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/84—Television signal recording using optical recording
- H04N5/85—Television signal recording using optical recording on discs or drums
-
- 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
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- 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
Abstract
Description
帧类型 | 时间位置(秒) |
I | 1.27 |
I | 2.54 |
I | 3.71 |
I | 4.11 |
I | 5.25 |
I | 6.11 |
元素 | 格式 | 值 |
开始代码 | 比特 | ‘00000000 00000000 00000001’ |
功能 | 字节 | ‘0000 0001’ |
字节计数 | 字节 | N=负载的字节 |
负载 | N*字节 | 可变的 |
填充 | Y*比特 | “1”被重复直到下一个开始代码 |
元素 | 格式 | 值 |
开始代码 | 比特 | ‘00000000 00000000 00000001’ |
指令 | 字节 | 如表5中的COMMAND(指令)所定义的 |
数据 | N*字节 | 如表5中的DATA(数据)所定义的 |
填充 | Y*比特 | “1”,被重复Y次,直到下一开始代码 |
元素 | 格式 | 值 |
功能 | 字节 | 如表5中的COMMAND(指令)所定义 |
负载 | N*字节 | 如表5中的DATA(数据)所定义 |
填充 | Y*比特 | “1”,被重复Y次,直到下一开始代码 |
COMMAND | DATA | 数据的含义/相关属性 |
0000 0000 | 禁止 | |
0000 0001 | 禁止 | |
0000 XX1X | 预留 | |
0000 X1XX | 预留 | |
0000 1XXX | 预留 | |
0001 0000 | 6字节 | 在当前帧开始处的“时间代码”的值 |
0001 0001 | 6字节 | 在节目开始处的“时间代码”的值 |
0001 0010 | 6字节 | 在上一个不连续处的“时间代码”的值 |
0001 0011 | 6字节 | 在节目结束处的“时间代码”的值 |
0001 0100 | 6字节 | 当前节目持续时间的值 |
0001 0101 | 6字节 | (最大)视频比特速率 |
0001 0110 | 6字节 | 当前帧大小的值,按字节计 |
0001 0111 | 6字节 | 当前节目大小的值,按字节计 |
0001 1XXX | 6字节 | 预留 |
0010 0000 | 1字节 | 当前帧类型,如下定义 |
0000 0000=禁止 | ||
0000 0001=I帧 | ||
0000 0010=P帧 | ||
0000 0011=B帧 | ||
0000 0100=特技模式关键帧 |
0000 0101=随机访问点 | ||
0000 0110=解码参考帧 | ||
0000 0111=不连续帧 | ||
xxxx 1xxx=预留 | ||
0010 0001 | 1字节 | (PTS-DTS)/(PTS[帧+1]-PTS[帧])的值 |
0010 0010 | 1字节 | 当前节目号码的值 |
0010 0011 | 1字节 | 静止帧;要显示的秒数 |
0010 X1XX | 1字节 | 预留 |
0010 1XXX | 1字节 | 预留 |
0011 0000 | 8字节 | 在当前帧的开始处的节目字节ptr的值 |
0011 0001 | 8字节 | 在节目开始处的节目字节ptr的值 |
0011 0010 | 8字节 | 在节目结束处的节目字节ptr的值 |
0011 0011 | 8字节 | 预留 |
0011 X1XX | 8字节 | 预留 |
0011 1XXX | 8字节 | 预留 |
0100 0000 | 6字节 | 当前帧的PTS值 |
0100 0001 | 6字节 | 当前帧的DTS值 |
0100 0010 | 6字节 | 在当前帧位置的开始处的PCR值 |
0100 0011 | 6字节 | 在下一个不连续的开始处的PCR值 |
0100 X1XX | 6字节 | 预留 |
0100 1XXX | 6字节 | 预留 |
1111 0000 | 1字节 | 跟随的节目描述文本字节的数目 |
1111 0001 | 1字节 | 跟随的XML数据字节的数目 |
1111 1111 | 负载的结束;可选使用;跟随填充 |
Claims (12)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US61262404P | 2004-09-23 | 2004-09-23 | |
US60/612,624 | 2004-09-23 | ||
PCT/US2005/034196 WO2006034464A1 (en) | 2004-09-23 | 2005-09-23 | Inserting metadata for trick play in video transport stream |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101027909A true CN101027909A (zh) | 2007-08-29 |
CN101027909B CN101027909B (zh) | 2013-03-13 |
Family
ID=35614586
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2005800322254A Active CN101027909B (zh) | 2004-09-23 | 2005-09-23 | 在视频传输流中插入元数据用于特技播放 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7996871B2 (zh) |
EP (1) | EP1792491B1 (zh) |
JP (1) | JP4980913B2 (zh) |
CN (1) | CN101027909B (zh) |
BR (1) | BRPI0517365B1 (zh) |
WO (1) | WO2006034464A1 (zh) |
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CN101919244B (zh) * | 2007-11-28 | 2013-03-27 | 迪维克斯有限责任公司 | 用于播放部分可用多媒体内容的系统和方法 |
CN106331824A (zh) * | 2016-08-31 | 2017-01-11 | 杭州当虹科技有限公司 | 一种以可变速率播放流媒体视频文件的方法 |
CN115623282A (zh) * | 2022-12-02 | 2023-01-17 | 杭州海康威视数字技术股份有限公司 | 加密视频的定点播放方法、装置、电子设备及存储介质 |
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-
2005
- 2005-09-23 BR BRPI0517365A patent/BRPI0517365B1/pt active IP Right Grant
- 2005-09-23 CN CN2005800322254A patent/CN101027909B/zh active Active
- 2005-09-23 EP EP05800778.2A patent/EP1792491B1/en active Active
- 2005-09-23 WO PCT/US2005/034196 patent/WO2006034464A1/en active Application Filing
- 2005-09-23 US US11/662,415 patent/US7996871B2/en active Active
- 2005-09-23 JP JP2007532691A patent/JP4980913B2/ja active Active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101919244B (zh) * | 2007-11-28 | 2013-03-27 | 迪维克斯有限责任公司 | 用于播放部分可用多媒体内容的系统和方法 |
CN102739975A (zh) * | 2011-05-17 | 2012-10-17 | 新奥特(北京)视频技术有限公司 | 一种通过数据阵列实现动态二维字幕的方法及系统 |
CN102739975B (zh) * | 2011-05-17 | 2017-09-12 | 新奥特(北京)视频技术有限公司 | 一种通过数据阵列实现动态二维字幕的方法及系统 |
CN106331824A (zh) * | 2016-08-31 | 2017-01-11 | 杭州当虹科技有限公司 | 一种以可变速率播放流媒体视频文件的方法 |
CN106331824B (zh) * | 2016-08-31 | 2020-02-14 | 杭州当虹科技股份有限公司 | 一种以可变速率播放流媒体视频文件的方法 |
CN115623282A (zh) * | 2022-12-02 | 2023-01-17 | 杭州海康威视数字技术股份有限公司 | 加密视频的定点播放方法、装置、电子设备及存储介质 |
Also Published As
Publication number | Publication date |
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US20080120637A1 (en) | 2008-05-22 |
CN101027909B (zh) | 2013-03-13 |
BRPI0517365B1 (pt) | 2019-12-17 |
BRPI0517365A (pt) | 2008-10-07 |
US7996871B2 (en) | 2011-08-09 |
JP2008514141A (ja) | 2008-05-01 |
JP4980913B2 (ja) | 2012-07-18 |
EP1792491B1 (en) | 2021-06-02 |
EP1792491A1 (en) | 2007-06-06 |
WO2006034464A1 (en) | 2006-03-30 |
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