CN103748888B - A kind of sending method of streaming media service, player method and device - Google Patents
A kind of sending method of streaming media service, player method and device Download PDFInfo
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- CN103748888B CN103748888B CN201280035484.2A CN201280035484A CN103748888B CN 103748888 B CN103748888 B CN 103748888B CN 201280035484 A CN201280035484 A CN 201280035484A CN 103748888 B CN103748888 B CN 103748888B
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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
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26258—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for generating a list of items to be played back in a given order, e.g. playlist, or scheduling item distribution according to such list
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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
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
- H04L65/764—Media network packet handling at the destination
-
- 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
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/262—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists
- H04N21/26291—Content or additional data distribution scheduling, e.g. sending additional data at off-peak times, updating software modules, calculating the carousel transmission frequency, delaying a video stream transmission, generating play-lists for providing content or additional data updates, e.g. updating software modules, stored at the client
-
- 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
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- Human Computer Interaction (AREA)
- Information Transfer Between Computers (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
A kind of sending method of streaming media service, player method and device, described sender method include：Receive the request for acquisition the first media presentation description MPD file that client is sent；Response including first MPD file is sent to the client；When first MPD file updates, the second MPD file is sent to the client, second MPD file includes：The fresh information of the MPD file of renewal or first MPD file, in order to which first MPD file is replaced or updated to client in time.The embodiment of the present invention, which solves client in the prior art, to update MPD file with server sync, cause client terminal playing media business to have some setbacks and repeat to transmit the technical problem of MPD file.
Description
Technical field
The present invention relates to streaming media transmission technique field, more particularly to a kind of sending method of streaming media service, broadcasting side
Method and device.
Background technology
With the development of streaming media transmission technique, existing media presentation description（MPD, Media Presentation
Description）The more new technological process of file mainly includes：
First, client obtains MPD Uniform Resource Identifier by out-band method（URL, Uniform Resource
Locator, i.e. network address）；Secondly, user end to server sends the request for obtaining and updating MPD file；The server will include
The response for updating MPD file is sent to client.
Wherein, server is sent appropriate when to ensure that MPD updates request, and is ensured in server and client
In the uniformity and validity for holding both sides MPD to update, prior art specification a series of ginseng is defined to sending renewal MPD file
Number and constraints.Such as, for having got the MPD files of new version such as i+1 versions on server, i versions are provided
The restrictive condition that when fails of MPD file, and when client send MPD and update request, and i versions MPD file
Restrictive condition when failed etc..
That is, the MPD file of the renewal received can not be timely sent to client by server, only connecing
The MPD file updated after the request for receiving client could be sent；Certainly, client can also be by the condition of setting to service
The MPD file that device acquisition request updates, i.e. server and client side is required to the parameter or trigger condition according to setting and passed through
Request and Response patterns obtain the MPD file of renewal.
Therefore, in the research and practice process to prior art, it was found by the inventors of the present invention that existing implementation
In, it is possible to the MPD file of server has been updated over, but is due to that client does not possess the time that acquisition request updates MPD also
Or condition, cause client not in time, to influence follow-up client to the request of media slicing and media content to MPD renewal
Play.Or, the request that client updates according to the trigger condition triggering of setting to MPD, and the MPD of server is likely to not
There is renewal, so as to cause server that the recent MPD file sent is sent into client, cause MPD file
Repeat to transmit.
The content of the invention
The embodiment of the present invention provides the update method and device of a kind of streaming media service, to solve client in the prior art
MPD file, the technical problem for causing client terminal playing media business to have some setbacks can not be updated with server sync, and repeats to pass
The technical problem of defeated MPD file.
To solve the above problems, the embodiment of the present invention provides a kind of sending method of streaming media service, methods described includes：
Receive the request for acquisition the first media presentation description MPD file that client is sent；
Response including first MPD file is sent to the client；
When first MPD file updates, the second MPD file, the 2nd MPD texts are sent to the client
Part includes：The fresh information of the MPD file of renewal or first MPD file, in order to which client is replaced or updated in time
First MPD file.
Optionally, receiving before client sends the request for obtaining the first media presentation description MPD file or asking
When, methods described also includes：The interface channel of transmission stream media service is set up with the client, wherein, the Streaming Media industry
Business includes the first MPD file or the second MPD file.
Optionally, it is described receive client send obtain the first media presentation description MPD file request be：Receive
Client sends the request for obtaining the first MPD file first.
Optionally, the interface channel is that the server based on the 5th edition HTML HTML5 sends event
Server-sent-event flow of event event stream interface channels.
Optionally, described set up with the client includes for transmitting the interface channel of MPD file：
Receive the request that client sends the interface channel for setting up transmission stream media service；Send same to the client
Meaning sets up the response of the interface channel of transmission stream media service；Or
Receiving client and sending also includes the connection for setting up transmission stream media service in the request for obtaining the first MPD file
The solicited message of passage；Also include agreeing to set up transmission in response of the client terminal including the first MPD file is sent to
The response message of the interface channel of streaming media service.
Optionally, if receive client send obtain the first media presentation description MPD file request when, with institute
State client and set up interface channel for transmission stream media service；
It is described the response including first MPD file is sent to the client to be：Will by the interface channel
Response including first MPD file is sent to the client；
It is described to be to the second MPD file of client transmission：2nd MPD is sent to the client by the interface channel
File.
Optionally, it is and described if received before client sends the request for obtaining the first media presentation description MPD file
Client sets up the interface channel for transmission stream media service；
It is described receive client send obtain the first media presentation description MPD file request be：Pass through the connection of foundation
Channel reception client sends the request for obtaining the first MPD file；
It is described the response including first MPD file is sent to the client to be：Pass through the interface channel of foundation
Response including first MPD file is sent to the client；
It is described to be to the second MPD file of client transmission：Sent by the interface channel of foundation to the client
Second MPD file.
Optionally, methods described also includes：
After first MPD file or the second MPD file is sent, disconnect and set up transmission stream media with the client
The interface channel of business.
Optionally, after the interface channel with the client is disconnected, methods described also includes：Receiving client hair
Rise when setting up connection request, the interface channel of transmission stream media service is set up with the client again.
The embodiment of the present invention also provides a kind of player method of streaming media service, and methods described includes：
After server the first media presentation description MPD file of transmission is received, the second matchmaker of server transmission is received
Description MPD file is presented in body, wherein, second MPD file includes：MPD file or first MPD file after renewal
Fresh information；
The first MPD file is replaced using the MPD file after the renewal, or is believed using the renewal of first MPD file
Breath updates the first MPD file, the MPD file after being updated；
Fragment request is constructed according to the MPD file after the renewal；
Burst content corresponding with the fragment request is obtained from the server；
Play the burst content.
Optionally, before server transmission first MPD file is received, methods described also includes：
The request for obtaining first MPD file is sent to server；
Receive the server transmission includes the response of first MPD file.
Optionally, before the request to server transmission acquisition first MPD file or when asking, the side
Method also includes：The interface channel for transmission stream media service is set up with the server, the streaming media service includes first
MPD file or the second MPD file.
Optionally, described sent to server obtains the request of first MPD file and is：Send and obtain first to server
Take the request of first MPD file.
Optionally, the interface channel set up with server for transmission stream media service, including：
After the request for obtaining the first MPD file is sent to server, sent to server for setting up transmission Streaming Media
The request of the interface channel of business；Receive the sound that the server sends the interface channel for agreeing to set up transmission stream media service
Should；Or
The connection for also including setting up transmission stream media service in the request for obtaining the first MPD file is sent to server is led to
The solicited message in road；Receive also includes agreeing to set up transmission Streaming Media in the response including MPD file that the server is sent
The response message of the interface channel of business.
Optionally, methods described also includes：
After first MPD file or the second MPD file of server transmission is received, detection is built with the server
The state of the interface channel of vertical transmission stream media service.
Optionally, if the state for detecting the interface channel for setting up transmission stream media service with the server is disconnection
When, methods described also includes：The interface channel of transmission stream media service is set up in initiation with server again.
Optionally, the interface channel is that the server based on the 5th edition HTML HTML5 sends event
Server-sent-event flow of event event stream interface channels.
Optionally, methods described also includes：Opened by creating the event source Event Source objects based on HTML5
One flow of event event stream interface channel.
Optionally, when creating the Event Source objects based on HTML5, the object receives the first MPD texts
The uniform resource position mark URL of part or the second MPD file, is used as the parameter of its constructed fuction.
Optionally, methods described also includes：Client distinguishes different matchmakers according to different Event Source objects
Hold corresponding MPD file in vivo.
Accordingly, the present invention also provides a kind of dispensing device of streaming media service, including：
First receiving unit, the request of the first media presentation description MPD file of acquisition is sent for receiving client；
First transmitting element, for the response including first MPD file to be sent into the client；
Second transmitting element, for when first MPD file updates, the 2nd MPD to be sent to the client
File, second MPD file is the MPD file updated or the fresh information of first MPD file, in order to client
Replace in time or update first MPD file.
Optionally, described device also includes：
First sets up unit, the MPD file of acquisition first for receiving client transmission in first receiving unit
Request before or when asking, the interface channel of transmission stream media service is set up with the client, wherein, the Streaming Media industry
Business includes the first MPD file or the second MPD file.
Optionally, first receiving unit, specifically for receiving the media presentation of acquisition first that client is sent first
The request of MPD file is described.
Optionally, described device also includes：
Control unit, for sending first MPD file or the 2nd MPD in the first transmitting element or the second transmitting element
After file, the interface channel that transmission stream media service is set up with the client is disconnected.
Optionally, described device also includes：
Second sets up unit, for after described control unit disconnects the interface channel with the client, receiving
When setting up connection request of client initiation, sets up the interface channel of transmission stream media service with the client again.
The embodiment of the present invention also provides a kind of playing device of streaming media service, including：
First receiving unit, for after server the first media presentation description MPD file of transmission is received, receiving clothes
The second media presentation description MPD file that business device is sent, wherein, second MPD file is the MPD file after renewal or institute
State the fresh information of the first MPD file；
Updating block, for replacing the first MPD file using the MPD file after the renewal；Or utilize the first MPD
Fresh information update the first MPD file, the MPD file after being updated；
Structural unit, for constructing fragment request according to the MPD file after the renewal；
Acquiring unit, for obtaining burst content corresponding with the fragment request from the server；
Broadcast unit, for playing the burst content.
Optionally, before first receiving unit receives server transmission second MPD file, described device
Also include：
First transmitting element, the request of first MPD file is obtained for being sent to server；
Second receiving unit, includes the response of first MPD file for receive that the server sends.
Optionally, described device also includes：
First sets up unit, and first MPD file is obtained for being sent in the first transmitting element to the server
Before request or when asking, the interface channel for transmission stream media service, the streaming media service are set up with the server
Including the first MPD file or the second MPD file.
Optionally, described device also includes：
Detection unit, first MPD file or for receiving server transmission in first receiving unit
After two MPD files, the state of the interface channel for transmission stream media service of unit foundation is set up in detection described first.
Optionally, described device also includes：
Second sets up unit, for the detection unit detect detection described first set up unit foundation be used for pass
When the state of the interface channel of defeated streaming media service is in disconnection, the company for transmission stream media service is set up with server again
Connect road.
As shown from the above technical solution, in the present embodiment, after the first MPD file is sent to client by server, such as
Fruit detects or inquired the first MPD file and changes, then the second MPD file after change is actively sent into client,
Or client is given in the update section distribution by the second MPD file with respect to the first MPD file, in order to which client upgrades in time,
And can smoothly play media business.So as to ensure the uniformity and validity with MPD file on server.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is a kind of flow chart of the sending method of streaming media service provided in an embodiment of the present invention；
Fig. 2 is a kind of flow chart of the player method of streaming media service provided in an embodiment of the present invention；
Fig. 3 is a kind of structural representation of the dispensing device of streaming media service provided in an embodiment of the present invention；
Fig. 4 is a kind of second structural representation of the dispensing device of streaming media service provided in an embodiment of the present invention；
Fig. 5 is a kind of 3rd structural representation of the dispensing device of streaming media service provided in an embodiment of the present invention；
Fig. 6 is a kind of 4th structural representation of the dispensing device of streaming media service provided in an embodiment of the present invention；
Fig. 7 is a kind of structural representation of the playing device of streaming media service provided in an embodiment of the present invention；
Fig. 8 is a kind of second structural representation of the playing device of streaming media service provided in an embodiment of the present invention；
Fig. 9 is a kind of 3rd structural representation of the playing device of streaming media service provided in an embodiment of the present invention；
Figure 10 is a kind of 4th structural representation of the playing device of streaming media service provided in an embodiment of the present invention；
Figure 11 is a kind of flow chart of the application example of the video broadcasting method of media business provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Whole description, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Fig. 1 is referred to for a kind of flow chart of the sending method of streaming media service provided in an embodiment of the present invention；The side
Method includes：
Step 101：Receive the media presentation description of acquisition first that client is sent（MPD, Media Presentation
Description）The request of file；
In this embodiment, MPD is the description to a media rendering element, main to include to content fragment, request structure
Make, the description of multi code Rate of Chinese character etc..MPD file is the document of an xml form, 3G (Third Generation) Moblie partnership projects（3GPP, 3rd
Generation Partnership Project）The metadata that is included with MPD file of client it is suitable super to construct
The URL of text transfer protocol（HTTP-URL, Hypertext Transfer Protocol-Uniform
Resource Locator）, and then burst content is obtained, and provide clients with streaming media service.For MPD definition, tool
Body may be referred to the explanation in 3GPP TS26.247, will not be repeated here.
Wherein, the client can be HTTP stream client（HTTP Streaming Client）,
Can be that other have the client of HTTP.
Step 102：Response including first MPD file is sent to the client；
In the step, server, such as, and HTTP streaming server（HTTP Steaming Server）,
Receive content and prepare server（Content Preparation Server）After the MPD file of push, if receiving visitor
Family end, which is sent, obtains MPD file（That is the first MPD file）Request, then the MPD file is sent to the client.
Step 103：When first MPD file updates, the second MPD file is sent to the client, it is described
Second MPD file includes：The fresh information of the MPD file of renewal or the first MPD, replace in time in order to client or
Update first MPD file.Wherein, indicate updated to the first MPD file can also be included in second MPD file
Information.
In the step, when server detects or inquired the first MPD file described in database or content server
When updating, the second MPD file of renewal is actively sent to the client, in order to which client is in time by described first
MPD file updates or replaced with the second MPD file.It is detected or the mode of inquiry can be real-time, can also timing, the present embodiment
It is not restricted.
In this embodiment, after the first MPD file is sent to client by server, if detecting or inquiring
One MPD file is changed, then the second MPD file after change is actively sent into client, in order to which client is timely more
Newly, and media business can be smoothly played, so as to ensure the uniformity and validity with MPD file on server.
Optionally, in the embodiment of the present invention, the first media presentation description MPD file of acquisition is sent receiving client
Before request or when asking, methods described can also include：Server sets up the company of transmission stream media service with the client
Road is connected, wherein, the streaming media service includes the first MPD file or the second MPD file.Specifically include：
One kind sets up mode：Server receive client send set up transmission stream media service interface channel please
Ask；Server sends the response for the interface channel for agreeing to set up transmission stream media service to the client.
Another way is：Server receives client and sent also to be included setting up in the request for obtaining the first MPD file
The solicited message of the interface channel of transmission stream media service；Server is being sent to the client terminal including the first MPD file
Response in also include agree to set up transmission stream media service interface channel response message.
Wherein, the interface channel is that the server based on the 5th edition HTML HTML5 sends event
（Server-sent-event）Flow of event（event stream）Interface channel.Certainly, this is also not limited to, be can also be
Other similar interface channels.
It is optional, if when receiving client and sending the request for obtaining the first media presentation description MPD file, it is and described
Client sets up the interface channel for transmission stream media service；Then in the above-described embodiments, it is described to include the first MPD
The response of file is sent to the client：The response including first MPD file is sent by the interface channel
To the client；It is described to be to the second MPD file of client transmission：By the interface channel the is sent to the client
Two MPD files.
If before the request of client transmission the first media presentation description MPD file of acquisition is received, with the client
Set up the interface channel for transmission stream media service；Then in the above-described embodiments, the reception client, which is sent, obtains first
The request of media presentation description MPD file is：Client is received by the interface channel of foundation and sends the first MPD file of acquisition
Request；It is described the response including first MPD file is sent to the client to be：It will be wrapped by the interface channel of foundation
The response for including first MPD file is sent to the client；It is described to be to the second MPD file of client transmission：It is logical
Cross the interface channel set up and send the second MPD file to the client.
In the above-described embodiments, methods described can also include：Sending first MPD file or the second MPD file
Afterwards, server disconnects or keeps the interface channel with the client.
Wherein, if server disconnects the interface channel with the client, methods described can also include：Again with institute
State client and set up interface channel for transmission stream media service；Specifically include：Server receives the client again
Send the request for the interface channel for setting up streaming media service；Server sends agreement to the client and sets up transport stream matchmaker again
The response of the interface channel of body business.Wherein, the interface channel is the service based on the 5th edition HTML HTML5
Device sends event（Server-sent-event）Flow of event（event stream）Interface channel.
Wherein, the event stream interface channels of the Server-sent-event under normal circumstances will not being serviced
Device actively disconnects.
In the embodiment of the present invention, server once detects MPD renewal, just actively by the MPD file after renewal or
Including being sent to client relative to the part fresh information that last time MPD is changed, in order to client upgrade in time it is local
MPD, so as to ensure server and the uniformity and validity of MPD file in client.
It is described also referring to Fig. 2, being a kind of flow chart of the player method of streaming media service provided in an embodiment of the present invention
Method includes：
Step 201：After server the first media presentation description MPD file of transmission is received, server transmission is received
The second media presentation description MPD file, wherein, second MPD file includes：MPD file after renewal or described
One MPD fresh information；
Step 202：The first MPD file is replaced using the MPD file after the renewal, or using the first MPD more
Fresh information updates the first MPD file, the MPD file after being updated；
Step 203：Fragment request is constructed according to the MPD file after the renewal；
Step 204：Burst content corresponding with the fragment request is obtained from the server；
Step 205：Play the burst content.
In this embodiment, the second MPD file that client need not update to server acquisition request, but server
It is sent to the MPD file of client detecting or inquiring with before and has renewal, actively by the MPD file after renewal, or
The fresh information for having sent MPD file before sends client.
Optionally, before server transmission first MPD file is received, methods described can also include：Client
Hold the request for being sent to server and obtaining first MPD file；What client received that the server sends include described the
The response of one MPD file.
Optionally, before the request to server transmission acquisition first MPD file or when asking, the side
Method can also include：Client sets up the interface channel for transmission stream media service, the Streaming Media industry with the server
Business includes the first MPD file or the second MPD file.
Wherein, client is set up with the server and can included for the interface channel of transmission stream media service：
A kind of mode is client when sending the request for obtaining the first MPD file first to server, is built with server
The interface channel of vertical transmission stream media service；Specifically include：In the request of the MPD file of acquisition first sent to server also
Including the solicited message for the interface channel for setting up transmission stream media service；Receive that the server sends includes MPD file
Also include the response message for agreeing to set up the interface channel of transmission stream media service in response.
Another to be, client is after the request for obtaining the first MPD file is sent to server, and being sent to server is used for
Set up the request of the interface channel of transmission stream media service；Client, which receives the server and sent, to be agreed to set up transmission Streaming Media
The response of the interface channel of business.
Optionally, described sent to server obtains the request of first MPD file and is：Send and obtain first to server
Take the request of first MPD file.
Optionally, methods described can also include：Client receive server transmission first MPD file or
After second MPD file, the state of the interface channel of transmission stream media service is set up in detection with the server.
Optionally, methods described can also include：Detecting company that transmission stream media service is set up with the server
When connecing channel status for disconnection, the interface channel of transmission stream media service is set up with client again；Specifically include：With it is described
When the interface channel that server sets up transmission stream media service disconnects, sent again to the server for setting up transmission immediately
The request of the interface channel of streaming media service；The reception server sends the interface channel for agreeing to set up transmission stream media service again
Response.
Optionally, the interface channel in the present embodiment is based on the 5th edition HTML（HTML5）Service
Device sends event（Server-sent-event）Flow of event（event stream）Interface channel.Client is by creating base
In HTML5 event source（Event Source）Object opens an event stream interface channel.It is based in establishment
During HTML5 Event Source objects, the object receives the URL of first MPD file or the second MPD file, is used as it
The parameter of constructed fuction.Client distinguishes the corresponding MPD of different media contents according to different Event Source objects
File.
In the embodiment of the present invention, client can set up one between server in acquisition request MPD file first
Proprietary HTTP connections（It is not limited to this）, the renewal transmission for carrying out MPD is set up using the connection.Compared with prior art,
Need not be as in the prior art, setting multiple parameters to carry out verification renewal to constrain client between server and client side
MPD behavior.That is, in the embodiment of the present invention, when server detects or inquires new MPD, with regard to active
Be sent to client, client updates local MPD file after receiving, with ensure with server in MPD file uniformity and
Validity.
Implementation process based on the above method, the embodiment of the present invention also provides a kind of dispensing device of streaming media service, its
Structural representation is as shown in figure 3, described device includes：First receiving unit 31, the first transmitting element 32 and the second transmitting element
33, wherein, first receiving unit 31 sends asking for the first media presentation description MPD file of acquisition for receiving client
Ask；First transmitting element 32, for the response including first MPD file to be sent into the client；Described
Two transmitting elements 33, it is described for when first MPD file updates, the second MPD file to be sent to the client
Second MPD file is the MPD file updated or the fresh information of the first MPD, in order to which client is replaced or more in time
New first MPD file.
Wherein, the first receiving unit 31 receives client and sends the request for obtaining the first MPD file, can make client
The request for obtaining the first MPD file is sent first.
Optionally, described device can also include：First sets up unit 41, for being received in first receiving unit 31
Before the request of the MPD file of acquisition first sent to client or when asking, transmission stream media is set up with the client
The interface channel of business, wherein, the streaming media service includes the first MPD file or the second MPD file.Wherein, transport stream is set up
The process of the interface channel of media business specifically refers to above-mentioned, will not be repeated here.Its corresponding structural representation such as Fig. 4 institutes
Show, Fig. 4 is a kind of second structural representation of the dispensing device of streaming media service provided in an embodiment of the present invention.
Optionally, described device can also include：Control unit 52, for sending single in the first transmitting element 31 or second
Member 32 is sent after first MPD file or the second MPD file, disconnects the company that transmission stream media service is set up with the client
Connect road.Its corresponding structural representation is as shown in figure 5, Fig. 5 is a kind of hair of streaming media service provided in an embodiment of the present invention
Send the 3rd structural representation of device.
Optionally, described device can also include：Second sets up unit 61, for being disconnected and institute in described control unit 51
State when client sets up the interface channel of transmission stream media service or after, set up connection request receive client initiation
When, the interface channel of transmission stream media service is set up with the client again, is specifically included：Receive the client again
Send the request for the interface channel for setting up streaming media service；And agreement foundation transmission Streaming Media is sent again to the client
The response of the interface channel of business.Its corresponding structural representation is as shown in fig. 6, Fig. 6 is one kind provided in an embodiment of the present invention
4th structural representation of the dispensing device of streaming media service.
The function of unit and the implementation process of effect, refer to corresponding in the above method realized in described device
Journey, will not be repeated here.
Accordingly, the embodiment of the present invention also provides a kind of playing device of streaming media service, its structural representation such as Fig. 7 institutes
Show, described device includes：First receiving unit 71, updating block 72, structural unit 73, acquiring unit 74 and broadcast unit 75,
Wherein, first receiving unit 71, for after server the first media presentation description MPD file of transmission is received, receiving
Server send the second media presentation description MPD file, wherein, second MPD file for update after MPD file or
The fresh information of first MPD file；The updating block 72, for replacing first using the MPD file after the renewal
MPD file；Or update the first MPD file, the MPD file after being updated using the fresh information of the first MPD；The structure
Unit 73 is made, for constructing fragment request according to the MPD file after the renewal；The acquiring unit 74, for from the clothes
It is engaged in device obtaining burst content corresponding with the fragment request；The broadcast unit 75, for playing the burst content.
Optionally, before the first receiving unit 71 receives server transmission second MPD file, described device is also
It can include：First transmitting element 81 and the second receiving unit 82, first transmitting element 81 are obtained for being sent to server
Take the request of first MPD file；Second receiving unit 82, for including of receiving that the server sends described the
The response of one MPD file.Its corresponding structural representation is as shown in figure 8, Fig. 8 is a kind of Streaming Media provided in an embodiment of the present invention
Second structural representation of the dispensing device of business.
Optionally, described device can also include：First sets up unit 91, in the first transmitting element 81 to the clothes
When business device sends before the request for obtaining first MPD file or asked, set up with the server for transmitting Streaming Media
The interface channel of business, the streaming media service includes the first MPD file or the second MPD file.Its corresponding structural representation
As shown in figure 9, Fig. 9 is a kind of 3rd structural representation of the dispensing device of streaming media service provided in an embodiment of the present invention.
Optionally, described device can also include：Detection unit 10, it is described for being received in first receiving unit
Second MPD file and/or the second receiving unit that server is sent receive the first MPD file that the server is sent
Afterwards, the state of the interface channel for transmission stream media service of the foundation of unit 91 is set up in detection described first.
Described device can also include：Second sets up unit 11, for detecting that described first builds in the detection unit 10
After the interface channel for transmission stream media service that vertical unit 91 is set up disconnects, set up again with server for transmitting immediately
The interface channel of streaming media service, its detailed process set up includes：Send and passed for setting up again to the server immediately
The request of the interface channel of defeated streaming media service；And the reception server sends the company for agreeing to set up transmission stream media service again
Connect the response in road.As shown in Figure 10, Figure 10 is a kind of Streaming Media provided in an embodiment of the present invention to its corresponding structural representation
4th structural representation of the dispensing device of business.
The function of unit and the implementation process of effect, refer to corresponding in the above method realized in described device
Journey, will not be repeated here.
For the ease of the understanding of those skilled in the art, illustrated below with specific application example.
Figure 11 is also referred to, is a kind of application example of the video broadcasting method of media business provided in an embodiment of the present invention
Flow chart, the embodiment is related within the system exemplified by applied to 3GPP Adaptive HTTP Streaming systems
To network element include：Content source（Content Source）Network element, content prepare（Content Preparation）Network element,
HTTP streaming servers（HTTP Streaming Server, abbreviation HTTP server）Client is flowed with HTTP（HTTP
Streaming Client, referred to as, HTTP clients）, detailed process includes：
Step 110：The media content that content source network element will need HTTP to flow client terminal playing is sent to content preparation network element；
Step 111：Content prepares network element and the media content received is divided into media content fragmenting, and generation MPD；
It is responsible for carrying out media slicing to the media content that reception is obtained that is, content prepares network element, and media is divided
Piece content is packaged into satisfactory form（Such as the file fragmentation of 3GP forms）, then, correspondence is generated for each media slicing
Media presentation description MPD file.
Step 112：Content prepares network element and sends the content fragment and MPD file（Or push）Flow and service to HTTP
Device；The content fragment and MPD file received in order to HTTP streaming server storages；
Step 113：HTTP stream clients get the URL of MPD file by out-band method；
Step 114：HTTP flows client and sets up transmission stream media service with the HTTP streaming servers（That is MPD file）'s
Interface channel；Wherein, the streaming media service includes the MPD file transmitted first, or the MPD file updated etc..
It should be noted that the present invention is to flow client to HTTP streaming servers acquisition request MPD file first with HTTP
Before, set up exemplified by interface channel, but be not limited to this, such as, transmission can also be set up in acquisition request MPD file first
The interface channel of media business.
Wherein, in the present embodiment, the interface channel is the server hair based on the 5th edition HTML HTML5
Event Server-sent-event flow of event event stream interface channels are sent, but are not limited to this.
Step 115：HTTP flows client to the corresponding HTTP streaming servers acquisition request MPD files of URL（That is the first MPD
File）.
Certainly, in this embodiment, can also be in acquisition request MPD file（That is the first MPD file）Before, request with it is described
HTTP streaming servers set up the interface channel of transmission stream media service；The present embodiment connects logical to ask to set up before MPD file
Exemplified by road.
Step 116：The MPD file of storage is sent to the HTTP clients by HTTP streaming servers；
Step 117：HTTP stream clients are generated according to the MPD file（Construction）Fragment request；
Step 118：The burst content of fragment request described in HTTP stream clients to HTTP streaming server acquisition requests；
Step 119：HTTP streaming servers flow the burst content that client sends the fragment request to the HTTP；
Step 120：The burst content that HTTP stream client terminal playings are received；
Step 121：The MPD file of renewal is sent to content and prepares network element by content source network element；
Step 122：Content prepares network element and the MPD file of the renewal received is published into the HTTP streaming servers
On；
Wherein, the MPD file of the renewal is MPD file or the fresh information of the first MPD after updating etc.；
Step 123：The MPD file of the renewal received is actively sent to HTTP stream clients by HTTP streaming servers
End；
Wherein, HTTP streaming servers can also in real time or periodically inquire about database or content prepares network element or content clothes
Business device etc., updates if inquiring MPD file, i.e., flow the MPD file that client sends renewal, i.e., second to the HTTP
MPD file.
Step 124：HTTP flows client and generates fragment request according to the MPD file of the renewal；And from HTTP server
It is upper to obtain the corresponding burst content of the fragment request, then play the burst content.Repeat step 117 step
120。
Afterwards, can be actively by the MPD texts of renewal when HTTP streaming servers are receiving or detected the MPD file of renewal
Part is sent to HTTP stream clients, and the implementation procedure of HTTP stream clients is as described above, will not be repeated here.
That is, in the present embodiment, HTTP stream clients set up one before acquisition request MPD file first, first
Proprietary HTTP between HTTP streaming servers is connected, and uses connection progress MPD file or the biography of the MPD file of renewal
Send, also, HTTP streaming servers detect have been issued to HTTP stream client MPD file change when, in time will more
New MPD file is actively sent to HTTP stream clients, in order to which HTTP stream clients upgrade in time local MPD file, from
And ensure the uniformity and validity of HTTP stream clients and MPD file on HTTP streaming servers.
The present embodiment is so that the push based on HTML5 is realized as an example.Wherein, HTML5SSE（Server-Sent Events）It is
A HTML5 technology, has standardized server push functions, and Server-Sent Events specifications define API to open
One HTTP HTTP connection, the notice pushed from HTTP server can be obtained by the connection.Here is visitor
Family end asks to set up the HTTP GET message examples that an event stream is opened in the connection based on SSE with server,
Three kinds of mime types text/event-stream, application/3gpp- of client support are designated in the message examples
dahs+xml、application/3gpp-dahsdelta+xml.Specifically include：
GET/Events HTTP/1.1
Host:myServer:8875
User-Agent:Mozilla/5.0(Windows;U;Windows NT5.1;de-DE)AppleWebKit/532+
(KHTML,like Gecko)Version/4.0.4Safari/531.21.10
Accept-Encoding:gzip,deflate
Referer:http://myServer:8875/
Accept:text/event-stream;application/3gpp-dahs+xml;application/3gpp-
dahsdelta+xml;
Last-Event-Id:6
Accept-Language:de-DE
Cache-Control:no-cache
Connection:keep-alive
That is, the program segment description, the HTTP server is received after the HTTP request, reply following response and disappear
Breath.Response message includes the response to event stream events, and data fields indicate that this is a MPD file correlation
Information, and attached the related information of MPD file.Wherein SomeRandomString is used for distinguishing two kinds of different data
Type.
HTTP/1.1 200 OK
Server:xLightweb/2.12-HTML5Preview6
Content-Type:multipart/mixed;;boundary=″SomeRandomString″
Expires:Fri,01 Jan 1990 00:00:00 GMT
Cache-Control:no-cache,no-store,max-age=0,must-revalidate
Pragma:no-cache
Connection:close
–SomeRandomString
Content-type:text/event-stream
:for MPD stream
retry:5000
id:7
data:This is a MPD data.
--SomeRandomString
Content-type:application/3gpp-ahs+xml
This part is MPD DATA
--SomeRandomString
That is, after HTTP clients receive the response, parsing data division, obtain MPD file and update letter
Breath.
Afterwards, HTTP server actively issues the MPD file of renewal when inquiring MPD file and updating
HTTP clients.
Interaction i.e. between HTTP server and HTTP clients is first asked similar to client, server response, then
The form of active response again.
In another embodiment, it is also based on exemplified by long polling push realizations, Long polling technologies
HTTP is also based on, the embodiment requires that client and server all supports long polling characteristics, and its process is：
After connection is set up between client and Server, client sends a request, Server meetings one to Server
Directly this is kept to link, while inquiry database or content server repeatedly, once Server has inquired renewal or had
Data will be sent to client, just recovered response, sent it to client, and connection afterwards is disconnected, then, client
Connection can be re-established, and initiates new request a to Server.
Client not repetitive requests can so be ensured, server does not repeat to send.
But, in actual application, in some implementations, the connection between client and Server can also be continuous
Open, be always maintained at.But the acquisition that data update also is built upon on the basis of resquest and response pairs.
In another embodiment, it is also based on the realization for having HAP scene in HTML5, that is to say, that exist in network
HTTP Proxy entities, the entity possesses the function of acting on behalf of server, it is necessary to be modified to the MPD file from Server.
Under this scene, one can be set up between HTTP Proxy and HTTP Client is used to transmit and update MPD
The connection of file.Client receives the MPD file fresh information from server and proxy simultaneously, and client is according to last
Local MPD file is replaced or updated to the secondary fresh information received.
In the embodiment of the present invention, the promptness that MPD file updates not only is ensure that, the repetition that it also avoid MPD information is passed
It is defeated, and avoid safeguarding the complexity that MPD normally updates.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
Through the above description of the embodiments, those skilled in the art can be understood that the present invention can be by
Software adds the mode of required general hardware platform to realize, naturally it is also possible to which by hardware, but in many cases, the former is more
Good embodiment.Understood based on such, what technical scheme substantially contributed to prior art in other words
Part can be embodied in the form of software product, and the computer software product can be stored in storage medium, such as ROM/
RAM, magnetic disc, CD etc., including some instructions are to cause a computer equipment（Can be personal computer, server, or
Person's network equipment etc.）Perform the method described in some parts of each embodiment of the invention or embodiment.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (24)
1. a kind of sending method of streaming media service, it is characterised in that including：
Receive the request for acquisition the first media presentation description MPD file that client is sent；
Response including first MPD file is sent to the client；
When first MPD file updates, the second MPD file, the second MPD file bag are sent to the client
Include：The fresh information of the MPD file of renewal or first MPD file, in order to which client is replaced in time or updates described
First MPD file；
When receiving before client sends the request for obtaining the first media presentation description MPD file or asking, methods described
Also include：The interface channel of transmission stream media service is set up with the client, wherein, the streaming media service includes first
MPD file or the second MPD file；
The interface channel is that the server based on the 5th edition HTML HTML5 sends event Server-sent-
Event flow of event event stream interface channels.
2. according to the method described in claim 1, it is characterised in that the client that receives sends the first media presentation of acquisition
Description MPD file request be：Receive client and send the request for obtaining the first MPD file first.
3. according to the method described in claim 1, it is characterised in that described to be set up with the client for transmitting MPD file
Interface channel include：
Receive the request that client sends the interface channel for setting up transmission stream media service；Agreement is sent to the client to build
The response of the interface channel of vertical transmission stream media service；Or
Receiving client and sending also includes the interface channel for setting up transmission stream media service in the request for obtaining the first MPD file
Solicited message；Also transport stream matchmaker is set up in response of the client terminal including the first MPD file is sent to including agreement
The response message of the interface channel of body business.
4. according to the method described in claim 1, it is characterised in that if being in receiving client transmission the first media of acquisition
When now describing the request of MPD file, the interface channel for transmission stream media service is set up with the client；
It is described the response including first MPD file is sent to the client to be：It will be included by the interface channel
The response of first MPD file is sent to the client；
It is described to be to the second MPD file of client transmission：2nd MPD texts are sent to the client by the interface channel
Part.
5. according to the method described in claim 1, it is characterised in that if sending the first media presentation of acquisition receiving client
Before the request for describing MPD file, the interface channel for transmission stream media service is set up with the client；
It is described receive client send obtain the first media presentation description MPD file request be：Pass through the interface channel of foundation
Receive client and send the request for obtaining the first MPD file；
It is described the response including first MPD file is sent to the client to be：It will be wrapped by the interface channel of foundation
The response for including first MPD file is sent to the client；
It is described to be to the second MPD file of client transmission：By the interface channel of foundation second is sent to the client
MPD file.
6. the method according to any one of claim 1 to 5, it is characterised in that also include：
After first MPD file or the second MPD file is sent, disconnect and set up transmission stream media service with the client
Interface channel.
7. method according to claim 6, it is characterised in that described after the interface channel with the client is disconnected
Method also includes：When setting up connection request of client initiation is being received, transmission Streaming Media is set up with the client again
The interface channel of business.
8. a kind of player method of streaming media service, it is characterised in that including：
After server the first media presentation description MPD file of transmission is received, the second media for receiving server transmission are in
MPD file is now described, wherein, second MPD file includes：MPD file or first MPD file after renewal are more
Fresh information；
The first MPD file is replaced using the MPD file after the renewal, or utilizes the fresh information of first MPD file more
New first MPD file, the MPD file after being updated；
Fragment request is constructed according to the MPD file after the renewal；
Burst content corresponding with the fragment request is obtained from the server；
Play the burst content；
Before the request for obtaining first MPD file is sent to the server or when asking, methods described also includes：With
The server sets up the interface channel for transmission stream media service, and the streaming media service includes the first MPD file or the
Two MPD files；
The interface channel is that the server based on the 5th edition HTML HTML5 sends event Server-sent-
Event flow of event event stream interface channels.
9. method according to claim 8, it is characterised in that receive server send first MPD file it
Before, methods described also includes：
The request for obtaining first MPD file is sent to server；
Receive the server transmission includes the response of first MPD file.
10. method according to claim 8 or claim 9, it is characterised in that described sent to server obtains the first MPD
The request of file is：Send the request for obtaining first MPD file first to server.
11. method according to claim 8, it is characterised in that described to be set up with server for transmission stream media service
Interface channel, including：
After the request for obtaining the first MPD file is sent to server, sent to server for setting up transmission stream media service
Interface channel request；Receive the response that the server sends the interface channel for agreeing to set up transmission stream media service；Or
Person
Also include the interface channel for setting up transmission stream media service in the request for obtaining first MPD file is sent to server
Solicited message；Receive in the response including MPD file that the server is sent and also set up transmission stream media service including agreement
Interface channel response message.
12. method according to claim 8, it is characterised in that also include：
After first MPD file or the second MPD file of server transmission is received, detection is set up with the server and passed
The state of the interface channel of defeated streaming media service.
13. method according to claim 12, it is characterised in that set up transport stream matchmaker with the server if detected
When the state of the interface channel of body business is disconnects, methods described also includes：Initiate to set up transmission Streaming Media with server again
The interface channel of business.
14. method according to claim 8, it is characterised in that also include：By creating the event source based on HTML5
Event Source objects open a flow of event event stream interface channel.
15. method according to claim 14, it is characterised in that creating the Event Source objects based on HTML5
When, the object receives the uniform resource position mark URL of first MPD file or the second MPD file, is used as its constructed fuction
Parameter.
16. method according to claim 15, it is characterised in that also include：Client is according to different Event
Source objects distinguish the corresponding MPD file of different media contents.
17. a kind of dispensing device of streaming media service, it is characterised in that including：
First receiving unit, the request of the first media presentation description MPD file of acquisition is sent for receiving client；
First transmitting element, for the response including first MPD file to be sent into the client；
Second transmitting element, for when first MPD file updates, the second MPD file to be sent to the client,
Second MPD file is the MPD file updated or the fresh information of first MPD file, in order to which client is timely
Replace or update first MPD file；
First sets up unit, for receiving asking for the MPD file of acquisition first that client is sent in first receiving unit
Before asking or when asking, the interface channel of transmission stream media service is set up with the client, wherein, the streaming media service bag
Include the first MPD file or the second MPD file；
The interface channel is that the server based on the 5th edition HTML HTML5 sends event Server-sent-
Event flow of event event stream interface channels.
18. device according to claim 17, it is characterised in that first receiving unit, specifically for receiving client
Hold the request of acquisition the first media presentation description MPD file sent first.
19. the device according to claim 17 or 18, it is characterised in that also include：
Control unit, for sending first MPD file or the second MPD file in the first transmitting element or the second transmitting element
Afterwards, the interface channel that transmission stream media service is set up with the client is disconnected.
20. device according to claim 19, it is characterised in that also include：
Second sets up unit, for after described control unit disconnects the interface channel with the client, receiving client
When setting up connection request of end initiation, sets up the interface channel of transmission stream media service with the client again.
21. a kind of playing device of streaming media service, it is characterised in that including：
First receiving unit, for after server the first media presentation description MPD file of transmission is received, receiving server
The the second media presentation description MPD file sent, wherein, second MPD file is the MPD file after updating or described the
The fresh information of one MPD file；
Updating block, for replacing the first MPD file using the MPD file after the renewal；Or using the first MPD more
Fresh information updates the first MPD file, the MPD file after being updated；
Structural unit, for constructing fragment request according to the MPD file after the renewal；
Acquiring unit, for obtaining burst content corresponding with the fragment request from the server；
Broadcast unit, for playing the burst content；
First sets up unit, and the request of first MPD file is obtained for being sent in the first transmitting element to the server
During preceding or request, the interface channel for transmission stream media service is set up with the server, the streaming media service includes
First MPD file or the second MPD file；
The interface channel is that the server based on the 5th edition HTML HTML5 sends event Server-sent-
Event flow of event event stream interface channels.
22. device according to claim 21, it is characterised in that receive server in first receiving unit and send
Before second MPD file, described device also includes：
First transmitting element, the request of first MPD file is obtained for being sent to server；
Second receiving unit, includes the response of first MPD file for receive that the server sends.
23. device according to claim 21, it is characterised in that also include：
Detection unit, first MPD file or the 2nd MPD for receiving server transmission in first receiving unit
After file, the state of the interface channel for transmission stream media service of unit foundation is set up in detection described first.
24. device according to claim 23, it is characterised in that also include：
Second sets up unit, for the detection unit detect detection described first set up unit foundation be used for transport stream
When the state of the interface channel of media business is in disconnection, sets up lead to for the connection of transmission stream media service with server again
Road.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2012/080219 WO2014026352A1 (en) | 2012-08-16 | 2012-08-16 | Stream media service sending method, playing method, and apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103748888A CN103748888A (en) | 2014-04-23 |
| CN103748888B true CN103748888B (en) | 2017-10-24 |
Family
ID=50101204
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280035484.2A Active CN103748888B (en) | 2012-08-16 | 2012-08-16 | A kind of sending method of streaming media service, player method and device |
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| Country | Link |
|---|---|
| CN (1) | CN103748888B (en) |
| WO (1) | WO2014026352A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3249871A4 (en) * | 2015-02-16 | 2018-02-21 | Huawei Technologies Co., Ltd. | Method and device for updating network service descriptor |
| CN107306356A (en) * | 2016-04-21 | 2017-10-31 | 中兴通讯股份有限公司 | Video information describes file acquisition method and content distributing server, set top box, system |
| CN111510789B (en) | 2019-01-30 | 2021-09-21 | 上海哔哩哔哩科技有限公司 | Video playing method, system, computer equipment and computer readable storage medium |
| US11606592B2 (en) * | 2019-10-01 | 2023-03-14 | Tencent America LLC | Playlist events for combining multiple media timelines and content-insertion in dash streaming |
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|---|---|---|---|---|
| CN101930440A (en) * | 2009-06-25 | 2010-12-29 | 李冰 | Method for establishing Internet streaming browser |
| CN102111344A (en) * | 2009-12-29 | 2011-06-29 | 腾讯科技（深圳）有限公司 | Method for reminding business updating and device adopting same |
| CN102238151A (en) * | 2010-04-27 | 2011-11-09 | 中兴通讯股份有限公司 | Flash-based media stream generation system and method |
| CN102238419A (en) * | 2010-04-26 | 2011-11-09 | 三星电子株式会社 | Method and apparatus for playing live content |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9615119B2 (en) * | 2010-04-02 | 2017-04-04 | Samsung Electronics Co., Ltd. | Method and apparatus for providing timeshift service in digital broadcasting system and system thereof |
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2012
- 2012-08-16 CN CN201280035484.2A patent/CN103748888B/en active Active
- 2012-08-16 WO PCT/CN2012/080219 patent/WO2014026352A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101930440A (en) * | 2009-06-25 | 2010-12-29 | 李冰 | Method for establishing Internet streaming browser |
| CN102111344A (en) * | 2009-12-29 | 2011-06-29 | 腾讯科技（深圳）有限公司 | Method for reminding business updating and device adopting same |
| CN102238419A (en) * | 2010-04-26 | 2011-11-09 | 三星电子株式会社 | Method and apparatus for playing live content |
| CN102238151A (en) * | 2010-04-27 | 2011-11-09 | 中兴通讯股份有限公司 | Flash-based media stream generation system and method |
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| WO2014026352A1 (en) | 2014-02-20 |
| CN103748888A (en) | 2014-04-23 |
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