WO2011054281A1 - 实现基于http的流媒体业务的方法、系统和网络设备 - Google Patents
实现基于http的流媒体业务的方法、系统和网络设备 Download PDFInfo
- Publication number
- WO2011054281A1 WO2011054281A1 PCT/CN2010/078343 CN2010078343W WO2011054281A1 WO 2011054281 A1 WO2011054281 A1 WO 2011054281A1 CN 2010078343 W CN2010078343 W CN 2010078343W WO 2011054281 A1 WO2011054281 A1 WO 2011054281A1
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- media
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
- H04L65/612—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for unicast
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
Definitions
- the embodiments of the present invention relate to the field of communications technologies, and in particular, to a method, a network system, a server, and a network device for streaming media services based on a hypertext transfer protocol HTTP.
- Streaming media services have developed rapidly with the popularity of the Internet.
- the streaming service can use the Hyper Text Transfer Protocol (HTTP).
- HTTP Hyper Text Transfer Protocol
- the sender can make content in real time, including content encoding, editing, etc.
- the receiver can The content that the sender made in real time is received synchronously.
- the client can receive the live content by using a specially defined time "now" indication to indicate that the server needs to be played.
- the client does not need to know where the content is stored, and the server acts as the controlling entity to send the current content to the client.
- the server is a passive service provider. The server can only send a file or a part of a file to the client according to the client's request. The client needs to explicitly indicate the requested file. URL ) or a part of a file (using a URL plus a location range).
- An embodiment of the present invention provides a method for implementing a streaming media service based on a hypertext transfer protocol HTTP, including:
- the server receives the request from the client, and returns a response carrying the media presentation description file to the client according to the request for the media presentation description file;
- the server receives the uniform resource locator from the client, obtains the corresponding media fragment file, and returns the media fragment file to the client for client playback, where the uniform resource locator determines the media segment to be played by the client.
- a uniform resource locator for the client to request the media segment file from the server.
- An embodiment of the present invention further provides a method for implementing a streaming media service based on a hypertext transfer protocol HTTP, including:
- the client sends a request to the server for causing the server to return a response carrying the media presentation description file to the client according to the request;
- An embodiment of the present invention further provides a method for implementing a streaming media service based on a hypertext transfer protocol HTTP, including:
- the server sends the live broadcast start time and the current time of the server to the client, so that the client determines the location indication information of the media segment that the client needs to play according to the live broadcast start time and the current time of the server;
- the server receives the location indication information of the media segment that needs to be played from the client.
- the server obtains the media segment file corresponding to the location indication information according to the location indication information, and sends the media segment file to the client.
- An embodiment of the present invention further provides a method for implementing a streaming media service based on a hypertext transfer protocol HTTP, including:
- the embodiment of the invention further provides a server, including:
- a time information sending unit configured to send a live broadcast start time and a current time of the server to the client, so that the client determines the location indication information of the media fragment file to be played according to the live broadcast start time and the current time of the server;
- a media clip file obtaining unit configured to obtain a media clip file according to location indication information of a media clip file played by the client
- the media clip file sending unit is configured to send the media clip file to the client.
- the embodiment of the invention further provides a client device, including: a time information receiving unit, configured to receive a live broadcast start time from the server and a current time of the server;
- a determining unit configured to determine location indication information of the media segment to be played according to the live broadcast start time and the current time of the server;
- a location indication information sending unit configured to send, to the server, location indication information of the media segment file that needs to be played
- a media clip file receiving unit configured to receive a media clip file corresponding to the location indication information of the media clip to be played by the server
- the embodiment of the invention further provides a network system, including:
- a client device configured to receive a live broadcast start time from the server and a current time of the server; determine location indication information of the media clip file to be played according to the live broadcast start time and the current time of the server; and send the location of the media clip to be played to the server Instructing information; receiving a media clip file from the server corresponding to the location indication information of the media segment to be played; playing the media clip file.
- FIG. 6 is a schematic diagram of a media segment according to an embodiment of the present invention.
- FIG. 8 is a schematic structural diagram of another server according to an embodiment of the present invention.
- FIG. 9 is a schematic structural diagram of another server according to an embodiment of the present invention.
- Media Component Interval a media component corresponding to a time window. All media component time intervals are concatenated together to get all of the media components. The media component time intervals do not overlap each other.
- An alternative representation representation may refer to a coding representation of a media component using a set of parameters, such as: a certain code rate and the resolution of time and space.
- a code segment may refer to coded data for a certain media component at a time interval. By indicating the media component, the media component interval, and the alternative coding representation, the client can request the code segment. Code segments can be decoded independently without relying on other code segments.
- the live broadcast start time can also be included in the media presentation description file sent to the client.
- the client receives the live broadcast start time from the server and the current time of the server, determines the location indication information of the media clip file to be played according to the live broadcast start time on the server and the current time of the server, and sends the media to be played to the server. Position indication information of the fragment file;
- the location indication information in the embodiment of the present invention may be a uniform resource locator (Uniform Resource)
- the Locator, URL may be information indicating the location of the file, such as a file index number.
- the location indication information in subsequent embodiments may be as described above, but is not limited to the above description.
- the media segment that the client needs to play may be the latest media segment being broadcasted, or the client may specify the media segment to be viewed from a certain time in the past according to actual needs.
- the "media clips to be played" in the subsequent embodiments may be as described above, but are not limited to the above description.
- the location indication information may be carried in a media fragmentation request sent by the client to the server. Similar processing can also be performed in subsequent embodiments.
- the server receives the location indication information of the media segment that needs to be played from the client.
- S108. The server obtains the media segment file corresponding to the location indication information according to the location indication information, and sends the media segment file to the client.
- the client receives a media clip file corresponding to the location indication information of the media clip file to be played by the server;
- the client When the client needs to obtain the live broadcast service, the client sends a request to the server; In this step, the request sent by the client to the server may carry a request for the media presentation description file.
- the media presentation description file may be basic information describing the media data, such as the length of the media segment, the storage location of the media data, media components (such as audio, video, text, etc.), and properties of the media data (eg, for video). Data, its codec type, video bitrate, frame rate, resolution, etc.), this file can be generated at the beginning of the live broadcast.
- the uniform resource locator template, the live broadcast start time, and the length of the media clip described above can all be carried in the media presentation description file.
- the server sends a media presentation description file to the client;
- the method of the embodiment of the present invention includes:
- the client can calculate the media to be played according to the current time of the server and the time when the live broadcast starts.
- the clip, the media clip that needs to be played may be the newly generated media clip, or the client may specify a media clip that is viewed from a certain time in the past according to actual needs.
- L int ((T - T0) / Ts)
- the structure of the media presentation description file is shown in Figure 4, which is based on the ISO base file format and the 3GP file format.
- the file contains three objects at the file level, "ftyp” identifies the file type, the specification that the documentation follows; “moov” holds multiple objects that define the metadata for a media presentation; " me ta” contains Metadata. There are other objects nested in each object.
- trak 1 describes the information of the video component, such as: codec, bit rate, frame rate , resolution, etc.
- trak 2 describes the information of the audio component, such as: language, volume, mono or stereo.
- the server may be a streaming media server or the like
- the client device may be a mobile phone, a computer, a Personal Digital Assistant (PDA), a small server, a home appliance, a router, a switch, a base station, and various electronic devices.
- the time information sending unit of the server sends the live broadcast start time and the current time of the server to the client, so that the client can obtain the location of the media clip file that the client needs to play according to the live broadcast start time and the current time of the server. Instructing information, and then obtaining a media clip file corresponding to the location indication information from the server, thereby implementing an HTTP-based streaming live broadcast service.
- the location indication information sending unit 1006 is configured to send location indication information of the media segment file to be played to the server.
- the location indication information may be a Uniform Resource Locator (URL), or may be a file index number, etc., indicating the file location. Information.
- the determining unit 1004 is configured to determine location information of the media segment to be played according to the live broadcast start time, the current time of the server, and the length of the media segment, and generate location indication information of the media segment file to be played according to the location information.
- the time information sending unit of the server sends the live broadcast start time and the current time of the server to the client, so that the client can obtain the media clip file that the client needs to play according to the live broadcast start time and the current time of the server.
- the location indication information, and then the media segment file corresponding to the location indication information is obtained from the server, thereby implementing an HTTP-based streaming media live service.
- the time information sending unit of the server sends the live broadcast start time and the current time of the server to the client, so that the client can obtain the location of the media clip file that the client needs to play according to the live broadcast start time and the current time of the server. Instructing information, and then obtaining a media clip file corresponding to the location indication information from the server, thereby implementing an HTTP-based streaming live broadcast service.
- HTTP-based streaming live broadcast service There is no need to extend the HTTP protocol, no need to add additional functions to the server, and make full use of the existing infrastructure to protect investment and reduce costs.
- each media segment since each media segment is stored on the server in a separate file manner, the media segment can be directly obtained through the location indication information, thereby avoiding frequent access to the same file, thereby improving the efficiency of the live broadcast.
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Information Transfer Between Computers (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020117031518A KR101361021B1 (ko) | 2009-11-09 | 2010-11-02 | Http 기반의 스트리밍 미디어 서비스를 구현하는 방법, 시스템 및 네트워크장비 |
BR112012001150-2A BR112012001150B1 (pt) | 2009-11-09 | 2010-11-02 | Método para implementar serviço de transmissão baseado em http |
EP10827895A EP2437465A4 (en) | 2009-11-09 | 2010-11-02 | METHOD, SYSTEM AND NETWORK EQUIPMENT FOR IMPLEMENTING HTTP-BASED CONTINUOUS MULTIMEDIA BROADCAST SERVICE |
JP2012521955A JP5500531B2 (ja) | 2009-11-09 | 2010-11-02 | Httpベースのストリーミングメディアサービスを実施するための方法、システムおよびネットワークデバイス |
AU2010314582A AU2010314582B2 (en) | 2009-11-09 | 2010-11-02 | Method, system and network equipment for implementing HTTP-based streaming media service |
US13/340,224 US9338216B2 (en) | 2009-11-09 | 2011-12-29 | Method, system and network device for implementing HTTP-based streaming service |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200910110053 CN102055773B (zh) | 2009-11-09 | 2009-11-09 | 实现基于http的流媒体业务的方法、系统和网络设备 |
CN201010282187.0 | 2009-11-09 | ||
CN 201010282187 CN102055789B (zh) | 2009-11-09 | 2009-11-09 | 实现基于http的流媒体业务的方法、系统和网络设备 |
CN200910110053.8 | 2009-11-09 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US13/340,224 Continuation US9338216B2 (en) | 2009-11-09 | 2011-12-29 | Method, system and network device for implementing HTTP-based streaming service |
Publications (1)
Publication Number | Publication Date |
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WO2011054281A1 true WO2011054281A1 (zh) | 2011-05-12 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/CN2010/078343 WO2011054281A1 (zh) | 2009-11-09 | 2010-11-02 | 实现基于http的流媒体业务的方法、系统和网络设备 |
Country Status (7)
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US (1) | US9338216B2 (zh) |
EP (1) | EP2437465A4 (zh) |
JP (1) | JP5500531B2 (zh) |
KR (1) | KR101361021B1 (zh) |
AU (1) | AU2010314582B2 (zh) |
BR (1) | BR112012001150B1 (zh) |
WO (1) | WO2011054281A1 (zh) |
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2010
- 2010-11-02 EP EP10827895A patent/EP2437465A4/en not_active Ceased
- 2010-11-02 KR KR1020117031518A patent/KR101361021B1/ko active IP Right Grant
- 2010-11-02 WO PCT/CN2010/078343 patent/WO2011054281A1/zh active Application Filing
- 2010-11-02 BR BR112012001150-2A patent/BR112012001150B1/pt active IP Right Grant
- 2010-11-02 AU AU2010314582A patent/AU2010314582B2/en active Active
- 2010-11-02 JP JP2012521955A patent/JP5500531B2/ja active Active
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2011
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KR101361021B1 (ko) | 2014-02-10 |
AU2010314582B2 (en) | 2015-03-12 |
US9338216B2 (en) | 2016-05-10 |
BR112012001150A2 (pt) | 2016-02-23 |
JP2013500652A (ja) | 2013-01-07 |
US20120110138A1 (en) | 2012-05-03 |
KR20120036901A (ko) | 2012-04-18 |
EP2437465A4 (en) | 2012-05-16 |
EP2437465A1 (en) | 2012-04-04 |
JP5500531B2 (ja) | 2014-05-21 |
AU2010314582A1 (en) | 2012-10-11 |
BR112012001150B1 (pt) | 2021-06-29 |
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