CN1290445A - 用于媒体数据传输的方法和装置 - Google Patents
用于媒体数据传输的方法和装置 Download PDFInfo
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- CN1290445A CN1290445A CN99802948A CN99802948A CN1290445A CN 1290445 A CN1290445 A CN 1290445A CN 99802948 A CN99802948 A CN 99802948A CN 99802948 A CN99802948 A CN 99802948A CN 1290445 A CN1290445 A CN 1290445A
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- H04N7/24—Systems for the transmission of television signals using pulse code modulation
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Engineering & Computer Science (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Communication Control (AREA)
- Television Systems (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Television Signal Processing For Recording (AREA)
Abstract
Description
提示道样本描述 | 字节 |
样本描述大小 | 4 |
数据格式 | 4 |
保留 | 6 |
数据引用索引 | 2 |
最大分组尺寸 | 4 |
附加数据表 | 可变 |
附加数据表 | 字节 |
项长度 | 4 |
数据类型 | 4 |
数据 | 项长度-8 |
分组项 | 字节 |
相对分组传输时间 | 4 |
标记 | 4 |
RTP标题信息 | 2 |
RTP序列号 | 2 |
项计数 | 2 |
数据表 | 可变 |
数据表项 | 字节 |
数据源 | 1 |
数据 | 15 |
值 | 描述 |
0 | 按照媒体样本描述样本 |
1 | 按照文件偏移描述样本 |
长度 | 描述 |
4 | 初始道ID |
1 | 样本内使用的缩写道引用号 |
长度 | 描述 |
1 | 保持该分组的有效负荷数据的媒体道的引用数。这可以被映象到附加数据表内使用’tmap’项的道ID。如果该提示规定188字节的即时数据,则该字段不相关。 |
1 | 该分组的即时数据的长度 。注意到其必须是188或比188小,这是因为传输分组长度为188字节 |
可变 | 用作传输分组的标题的即时数据的长度。该字节数由前面的字段描述。 |
可变 | 用于有效负荷数据的媒体样本数。该字段的缺省尺寸是4字节,但是可以通过附加数据表内所出现的’mans’项进行修改。 |
可变 | 用于有效负荷数据的媒体样本偏移。该字段的缺省尺寸是4字节,但是可以通过附加数据表内所出现的’msos’项进行修改。 |
长度 | 描述 |
1 | 保持该分组的有效负荷数据的媒体道的道引用数。这可以被映象到附加数据表内使用’tmap’项的道ID。如果该提示规定188字节的即时数据,则该字段不相关。 |
1 | 该分组的即时数据的长度。注意到其必须是188或比188小,这是因为传输分组长度为188字节 |
可变 | 用作传输分组的标题的即时数据的长度。该字节数由前面的字段描述。 |
可变 | 定位有效负荷数据处的文件偏移。该偏移处于定位媒体道的数据的文件内。该字段的缺省尺寸是4 字节,但是可以通过附加数据表内所出现的’fosz’项进行修改。 |
Claims (28)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US7156698P | 1998-01-15 | 1998-01-15 | |
US60/071,566 | 1998-01-15 | ||
US09/139,196 | 1998-08-25 | ||
US09/139,196 US6744763B1 (en) | 1998-01-15 | 1998-08-25 | Method and apparatus for media data transmission |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1290445A true CN1290445A (zh) | 2001-04-04 |
CN1166143C CN1166143C (zh) | 2004-09-08 |
Family
ID=26752378
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB998029483A Expired - Lifetime CN1166143C (zh) | 1998-01-15 | 1999-01-13 | 用于媒体数据传输的方法和装置 |
Country Status (9)
Country | Link |
---|---|
US (1) | US6744763B1 (zh) |
EP (1) | EP1048156B1 (zh) |
JP (1) | JP4282232B2 (zh) |
KR (1) | KR100607784B1 (zh) |
CN (1) | CN1166143C (zh) |
CA (1) | CA2316852C (zh) |
DE (1) | DE69936570T2 (zh) |
HK (1) | HK1035278A1 (zh) |
WO (1) | WO1999037056A2 (zh) |
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-
1999
- 1999-01-13 JP JP2000540645A patent/JP4282232B2/ja not_active Expired - Lifetime
- 1999-01-13 KR KR1020007007837A patent/KR100607784B1/ko not_active IP Right Cessation
- 1999-01-13 CA CA2316852A patent/CA2316852C/en not_active Expired - Lifetime
- 1999-01-13 CN CNB998029483A patent/CN1166143C/zh not_active Expired - Lifetime
- 1999-01-13 EP EP99902314A patent/EP1048156B1/en not_active Expired - Lifetime
- 1999-01-13 DE DE69936570T patent/DE69936570T2/de not_active Expired - Lifetime
- 1999-01-13 WO PCT/US1999/000953 patent/WO1999037056A2/en active IP Right Grant
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2001
- 2001-08-21 HK HK01105886A patent/HK1035278A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR100607784B1 (ko) | 2006-08-03 |
WO1999037056A3 (en) | 1999-09-30 |
JP4282232B2 (ja) | 2009-06-17 |
US6744763B1 (en) | 2004-06-01 |
EP1048156B1 (en) | 2007-07-18 |
JP2003526227A (ja) | 2003-09-02 |
WO1999037056A2 (en) | 1999-07-22 |
CA2316852C (en) | 2014-01-07 |
CA2316852A1 (en) | 1999-07-22 |
DE69936570T2 (de) | 2008-04-10 |
WO1999037056A9 (en) | 1999-11-04 |
EP1048156A2 (en) | 2000-11-02 |
HK1035278A1 (en) | 2001-11-16 |
CN1166143C (zh) | 2004-09-08 |
KR20010052145A (ko) | 2001-06-25 |
DE69936570D1 (de) | 2007-08-30 |
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