CN108924595A - Realize the method and system of TS slice door chain - Google Patents
Realize the method and system of TS slice door chain Download PDFInfo
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- CN108924595A CN108924595A CN201810925594.5A CN201810925594A CN108924595A CN 108924595 A CN108924595 A CN 108924595A CN 201810925594 A CN201810925594 A CN 201810925594A CN 108924595 A CN108924595 A CN 108924595A
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- 238000000034 method Methods 0.000 title claims abstract description 45
- 230000000977 initiatory effect Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 2
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Classifications
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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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/858—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot
- H04N21/8586—Linking data to content, e.g. by linking an URL to a video object, by creating a hotspot by using a URL
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/239—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests
- H04N21/2393—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests involving handling client requests
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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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
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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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—Assembly of content; Generation of multimedia applications
- H04N21/854—Content authoring
- H04N21/85406—Content authoring involving a specific file format, e.g. MP4 format
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The embodiment of the invention discloses it is a kind of realize TS slice door chain method and system, the method includes：Terminal device sends request content URL string to OTT convergence platform；OTT convergence platform parses original broadcasting URL information, and returns to terminal device after encrypting to URL string；URL string is sent to CDN by terminal device, and the successively URL string of the main M3U8 of request, sub- M3U8, TS slice；CDN judges whether the URL string for the main M3U8 that terminal device is sent is effective；When judging effective, the URL string of main M3U8 content, sub- M3U8 content, TS slice content is successively sent to terminal device.The present invention passes through multiple authentication mode, it is ensured that the reliability of terminal device identity, meanwhile, the TS slice content for also sending CDN meets the demand of terminal device, prevents to steal chain phenomenon.
Description
Technical field
The present invention relates to field of video broadcasting technology, especially a kind of method and system for realizing TS slice door chain.
Background technique
The video flowing transmission technology of IP based network is that internet video/TV brings new transmission mode of televising,
PC, pad and smart phone can watch radio and television, video on demand etc., but broadband networks by fixed or mobile broadband network
Formula TCP/IP communication network, is transmitted as principle as possible, for live video stream transmission due to network there may be congestion, when
Prolonging, shaking etc. can cause video image Caton, frame losing, re-transmission etc. to seriously affect the case where watching broadcasting, in order to avoid as far as possible mutually
Be possible in networking influence data transmission bauds and stability bottleneck and link, make content transmission faster, it is more stable, building
CDN (Content Delivery Network, content distributing network) system, CDN system can be in real time according to network flow
Connection, load state with each node, and to the integrated informations such as the distance of user and corresponding time by the request weight of user
Newly on the service node nearest from user.
In the prior art, when audio/video player system is requested due to being sent video playing to CDN system by terminal device,
It is unreasonable to the Effective judgement of request, it is easy to cause TS slice to occur stealing chain phenomenon, video playing is made to break down.
Therefore, the prior art needs to improve.
Summary of the invention
One technical problem to be solved by the embodiment of the invention is that：A kind of method for realizing TS slice door chain is provided,
Of the existing technology to solve the problems, such as, the method for realizing TS slice door chain includes：
Terminal device sends request content URL string to OTT convergence platform；
OTT convergence platform parses original broadcasting URL information, and encrypts to URL string, is assembled into playtoken
It is put into the URL string request of M3U8 format video file, and the encryption URL string with playtoken is returned into terminal device；
Encryption URL string with playToken is sent to CDN, the URL string of the main M3U8 of request by terminal device；
CDN judges whether the URL string for the main M3U8 that terminal device is sent is effective；
If it is not, then judging URL displacement invalid data, process terminates；
If so, initiating go back to source in the URL string of the uncached original main M3U8 of CDN to stream pushing server and requesting, and obtain
The URL of original main M3U8 goes here and there, by the URL of the main M3U8 serially add it is close after be sent to terminal device；
Terminal device parses the URL string of main M3U8, and the URL of constructor M3U8 goes here and there, and the URL of the sub- M3U8 is sent to CDN
String, request CDN send the content of sub- M3U8；
If the URL string that CDN judges that terminal device is sent is invalid, process terminates, if CDN judges that terminal device is sent out
The URL string sent effectively, in the URL string of the uncached original sub- M3U8 of CDN, is initiated go back to source to stream pushing server and is requested, and obtain
Take the URL of original sub- M3U8 to go here and there, by the URL of the sub- M3U8 serially add it is close after be sent to terminal device；
Terminal device parses the sub- M3U8 content that CDN is sent, the URL string of construction request TS slice, and sends TS to CDN and cut
The URL of piece goes here and there, and request CDN sends TS slice；
If the URL string that CDN adjudicates the request TS slice that terminal device is sent is invalid, process terminates, if CDN is adjudicated
The URL string for the request TS slice that terminal device is sent effectively, in the URL string of the uncached TS slice of CDN, is sent out to stream pushing server
Source request is played back, and obtains the URL string of TS slice, then returns to TS to terminal device and is sliced content.
In another embodiment of the method based on the above-mentioned realization TS slice door chain of the present invention, the sub- M3U8's
URL string carries information：It is playToken, the Request System time, IP address, ineffectiveness.
In another embodiment of the method based on the above-mentioned realization TS slice door chain of the present invention, the TS slice is carried
Information includes：It is playToken, the Request System time, IP address, ineffectiveness.
In another embodiment of the method based on the above-mentioned realization TS slice door chain of the present invention, if the CDN sentences
The URL string that disconnected terminal device is sent effectively, in the URL string of the uncached original M3U8 of CDN, initiates Hui Yuan to stream pushing server
Request, and obtain the URL string of original main M3U8, by the URL of the main M3U8 serially add it is close after be sent to terminal device and include：
CDN is similarly regular using OTT convergence platform, generates playToken；
Judge CDN generate the playToken in the encryption URL string request that playToken and terminal device are sent whether phase
Together；
If it is not, then process terminates；
If it is, judging whether CDN caches the URL string of original main M3U8；
If it is, main M3U8 content is replied to terminal device by CDN；
It is requested if it is not, then CDN initiates go back to source to stream pushing server；
Stream pushing server sends original main M3U8 content to CDN, and main M3U8 content is replied to terminal device by CDN.
In another embodiment of the method based on the above-mentioned realization TS slice door chain of the present invention, the CDN judgement is eventually
Whether effective content includes the URL string for the main M3U8 that end equipment is sent：Judge whether system time is effective, judge that User IP is
It is no effective；The two has that any one is invalid, then CDN judges that the URL string for the main M3U8 that terminal device is sent is invalid.
In another embodiment of the method based on the above-mentioned realization TS slice door chain of the present invention, the OTT fusion is flat
Platform parses original broadcasting URL information, and to URL string encrypted used in cipher mode be：Md5 encryption, in encryption
Appearance includes：Present system time, IP address information and the public key that OTT convergence platform obtains.
In another embodiment of the method based on the above-mentioned realization TS slice door chain of the present invention, if the CDN sentences
The URL string that disconnected terminal device is sent effectively, in the URL string of the uncached original sub- M3U8 of CDN, is initiated back to stream pushing server
Source request, and obtain the URL string of original sub- M3U8, by the URL of the sub- M3U8 serially add it is close after be sent to terminal device and include：
Judge whether CDN caches the URL string of original sub- M3U8；
If it is, CDN bundle M3U8 content replies to terminal device；
It is requested if it is not, then CDN initiates go back to source to stream pushing server；
Stream pushing server sends original sub- M3U8 content to CDN, and CDN bundle M3U8 content replies to terminal device.
Other side based on the embodiment of the present invention discloses a kind of system for realizing TS slice door chain, the reality
Now the system of TS slice door chain includes：
Terminal device, OTT convergence platform, CDN, stream pushing server；
The terminal device is connect by the string of OTT convergence platform request content URL described in wired or wireless network phase
The original broadcasting URL string information sent by OTT convergence platform is received, passes through CDN described in wired or wireless network phase and requests to send
M3U8 information and TS are sliced content；
The OTT convergence platform stores original broadcasting URL string information, and when the terminal device initiates to request, will
URL string with encryption information playToken returns to terminal device；
The CDN is sent by way of requesting being stored in advance or to stream pushing server revolution to the terminal device
Main M3U8 content, sub- M3U8 content, TS are sliced content.
The stream pushing server stores main M3U8 content, sub- M3U8 content, TS and is sliced content, and issues back in the CDN
When turning request, related content is sent to CDN.
In another embodiment of the system based on the above-mentioned realization TS slice door chain of the present invention, the terminal device packet
It includes：Smart television, tablet computer, computer, smart phone.
In another embodiment of the system based on the above-mentioned realization TS slice door chain of the present invention, the M3U8 carries letter
Breath includes：It is playToken, the Request System time, IP address, ineffectiveness.
In another embodiment of the system based on the above-mentioned realization TS slice door chain of the present invention, the TS slice is carried
Information includes：It is playToken, the Request System time, IP address, ineffectiveness.
Compared with prior art, the present invention has the following advantages that：
The invention proposes a kind of methods for realizing TS slice door chain, are sent and are played to OTT device by terminal device
Request, encrypts the information such as current time, system IP by OTT device, and be assembled into the URL that playToken is put into M3U8
In string, and it is sent to terminal device, terminal device sends to CDN and requests, after the solicited message by CDN verifying terminal device, most
TS is sent eventually and is sliced content, and the present invention passes through multiple authentication mode, it is ensured that the reliability of terminal device identity, meanwhile, also make
The TS slice content that CDN is sent meets the demand of terminal device, prevents to steal chain phenomenon.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
The attached drawing for constituting part of specification describes the embodiment of the present invention, and together with description for explaining
The principle of the present invention.
The present invention can be more clearly understood according to following detailed description referring to attached drawing, wherein：
Fig. 1 is that TS is sliced the structural representation of one embodiment of the system of door chain for of the invention realizing；
The flow chart of one embodiment of the method for realizing TS slice door chain Fig. 2 of the invention；
The flow chart of another embodiment of the method for realizing TS slice door chain Fig. 3 of the invention；
The flow chart of another embodiment of the method for realizing TS slice door chain Fig. 4 of the invention.
In figure, 1 end equipment, 2OTT convergence platform, 3CDN, 4 stream pushing servers.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should be noted that：Unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Simultaneously, it should be appreciated that for ease of description, the size of various pieces shown in attached drawing is not according to reality
Proportionate relationship draw.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
Fig. 1 is the structural representation of one embodiment of the system for realizing TS slice door chain of the invention, as shown in Figure 1,
It is described realize TS slice door chain system include：
Terminal device 1, OTT convergence platform 2, CDN 3, stream pushing server 4；
The terminal device 1 is gone here and there by 2 request content URL of OTT convergence platform described in wired or wireless network phase, and
The original broadcasting URL string information sent by OTT convergence platform 2 is received, hair is requested by CDN 3 described in wired or wireless network phase
M3U8 information and TS is sent to be sliced content；
The OTT convergence platform 2 stores original broadcasting URL string information, and when the terminal device 1 initiates to request,
URL string with encryption information playToken is returned into terminal device 1；
The CDN 3 is by way of being stored in advance or turning round request to the stream pushing server 4 to the terminal device 1
Send main M3U8 content, sub- M3U8 content, TS slice content.
The stream pushing server 4 stores main M3U8 content, sub- M3U8 content, TS slice content, and issues in the CDN 3
When revolution request, related content is sent to CDN 3.
The terminal device 1 includes：Smart television, tablet computer, computer, smart phone.
The M3U8 carries information：It is playToken, the Request System time, IP address, ineffectiveness.
The TS slice carries information and includes：It is playToken, the Request System time, IP address, ineffectiveness.
Fig. 2 is that TS is sliced the flow chart of one embodiment of the method for door chain for of the invention realizing, as shown in Fig. 2, institute
Stating the method for realizing TS slice door chain includes：
101, terminal device 1 sends request content URL string to OTT convergence platform 2；
102, OTT convergence platforms 2 parse original broadcasting URL information, and encrypt to URL string, are assembled into
Playtoken is put into the URL string request of M3U8 format video file, and by the encryption URL string with playtoken back to eventually
End equipment 1；
103, the encryption URL string with playToken is sent to CDN 3 by terminal device 1, the main M3U8's of request
URL string；
104, CDN 3 judge whether the URL string for the main M3U8 that terminal device 1 is sent is effective；
105, if it is not, then judging URL displacement invalid data, process terminates；
106, if so, being asked in the URL string of the uncached original main M3U8 of CDN 3 to 4 source of initiating back of stream pushing server
Ask, and obtain original main M3U8 URL string, by the URL of the main M3U8 serially add it is close after be sent to terminal device 1；
107, terminal device 1 parses the URL string of main M3U8, the URL string of constructor M3U8, and sends the son to CDN 3
The URL of M3U8 goes here and there, and request CDN 3 sends the content of sub- M3U8；
108, if the URL string that CDN 3 judges that terminal device 1 is sent is invalid, process terminates, if CDN 3 judges
The URL string that terminal device 1 is sent effectively, in the URL string of the uncached original sub- M3U8 of CDN 3, is initiated to stream pushing server 4
Return source request, and obtain original sub- M3U8 URL string, by the URL of the sub- M3U8 serially add it is close after be sent to terminal device 1；
109, terminal device 1 parses the sub- M3U8 content that CDN 3 is sent, the URL string of construction request TS slice, and to CDN
3 send the URL string of TS slice, and request CDN 3 sends TS slice；
110, if the URL string that CDN 3 adjudicates the request TS slice that terminal device 1 is sent is invalid, process terminates, if
CDN 3 adjudicates the URL string for the request TS slice that terminal device 1 is sent effectively, in the URL string of the uncached TS of CDN 3 slice, to
Stream pushing server 4 initiates back source request, and obtains the URL string of TS slice, then returns to TS to terminal device 1 and be sliced content.
The URL string of the sub- M3U8 carries information and includes：PlayToken, Request System time, IP address, failure
Property.
The TS slice carries information and includes：It is playToken, the Request System time, IP address, ineffectiveness.
Fig. 3 is the flow chart of another embodiment of the method for realizing TS slice door chain of the invention, as shown in figure 3,
If the URL string that the CDN 3 judges that terminal device 1 is sent is effective, in the URL string of the uncached original M3U8 of CDN 3, to
Stream pushing server 4 initiate back source request, and obtain original main M3U8 URL string, by the URL of the main M3U8 serially add it is close after be sent to
Terminal device 1 includes：
201, CDN 3, using the same rule of OTT convergence platform 2, generate playToken；
202, judge that CDN 3 generates the playToken in the encryption URL string request that playToken and terminal device 1 are sent
It is whether identical；
203, if it is not, then process terminates；
204, if it is, judging whether CDN 3 caches the URL string of original main M3U8；
205, if it is, main M3U8 content is replied to terminal device 1 by CDN 3；
206, it is requested if it is not, then CDN 3 initiates go back to source to stream pushing server 4；
207, stream pushing server 4 sends original main M3U8 content to CDN 3, and main M3U8 content is replied to terminal by CDN 3
Equipment 1.
The CDN 3 judge terminal device 1 send main M3U8 URL string whether effective content includes：Judgement system
Whether the time is effective, judges whether User IP is effective；The two has that any one is invalid, then CDN 3 judges what terminal device 1 was sent
The URL string of main M3U8 is invalid.
The OTT convergence platform 2 parses original broadcasting URL information, and carries out encrypting used encryption to URL string
Mode is：Md5 encryption, encrypted content include：Present system time, IP address information and the public affairs that OTT convergence platform 2 obtains
Code key altogether.
Fig. 4 is the flow chart of another embodiment of the method for realizing TS slice door chain of the invention, as shown in figure 4,
If the URL string that the CDN 3 judges that terminal device 1 is sent is effective, in the URL string of the uncached original sub- M3U8 of CDN, to
Stream pushing server 4 initiate back source request, and obtain original sub- M3U8 URL string, by the URL of the sub- M3U8 serially add it is close after be sent to
Terminal device 1 includes：
301, judge whether CDN 3 caches the URL string of original sub- M3U8；
302, if it is, 3 bundle M3U8 content of CDN replies to terminal device 1；
303, it is requested if it is not, then CDN 3 initiates go back to source to stream pushing server 4；
304, stream pushing server 4 sends original sub- M3U8 content to CDN 3, and 3 bundle M3U8 content of CDN replies to terminal
Equipment 1.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with its
The difference of its embodiment, the same or similar part cross-reference between each embodiment.For system embodiment
For, since it is substantially corresponding with embodiment of the method, so being described relatively simple, referring to the portion of embodiment of the method in place of correlation
It defends oneself bright.
Description of the invention is given for the purpose of illustration and description, and is not exhaustively or will be of the invention
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches
It states embodiment and is to more preferably illustrate the principle of the present invention and practical application, and those skilled in the art is enable to manage
The solution present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (10)
1. a kind of method for realizing TS slice door chain, which is characterized in that including：
Terminal device sends request content URL (Uniform to OTT (Over The Top, internet television) convergence platform
Resource Locator, uniform resource locator) string；
OTT convergence platform parses original broadcasting URL information, and encrypts to URL string, is assembled into playtoken and is put into
In the URL string request of M3U8 format video file, and the encryption URL string with playtoken is returned into terminal device；
Encryption URL string with playToken is sent to CDN, the URL string of the main M3U8 of request by terminal device；
CDN judges whether the URL string for the main M3U8 that terminal device is sent is effective；
If it is not, then judging URL displacement invalid data, process terminates；
If so, initiating go back to source in the URL string of the uncached original main M3U8 of CDN to stream pushing server and requesting, and obtain original
The URL of main M3U8 goes here and there, by the URL of the main M3U8 serially add it is close after be sent to terminal device；
Terminal device parses the URL string of main M3U8, the URL string of constructor M3U8, and goes here and there to the URL that CDN sends the sub- M3U8, asks
CDN is asked to send the content of sub- M3U8；
If the URL string that CDN judges that terminal device is sent is invalid, process terminates, if CDN judges what terminal device was sent
URL string effectively, in the URL string of the uncached original sub- M3U8 of CDN, is initiated go back to source to stream pushing server and is requested, and obtain original
Begin sub- M3U8 URL string, by the URL of the sub- M3U8 serially add it is close after be sent to terminal device；
Terminal device parses the sub- M3U8 content that CDN is sent, the URL string of construction request TS slice, and sends what TS was sliced to CDN
URL string, request CDN send TS slice；
If the URL string that CDN adjudicates the request TS slice that terminal device is sent is invalid, process terminates, if CDN adjudicates terminal
The URL string for the request TS slice that equipment is sent effectively, in the URL string of the uncached TS slice of CDN, is initiated back to stream pushing server
Source request, and obtain the URL string of TS slice, then TS is returned to terminal device be sliced content.
2. the method according to claim 1 for realizing TS slice door chain, which is characterized in that the URL of the sub- M3U8 goes here and there
Carrying information includes：It is playToken, the Request System time, IP address, ineffectiveness.
3. the method according to claim 1 for realizing TS slice door chain, which is characterized in that the TS slice carries information
Including：It is playToken, the Request System time, IP address, ineffectiveness.
4. the method according to claim 1 for realizing TS slice door chain, which is characterized in that if CDN judgement is eventually
The URL string that end equipment is sent effectively, in the URL string of the uncached original M3U8 of CDN, is asked to the stream pushing server source of initiating back
Ask, and obtain the URL string of original main M3U8, by the URL of the main M3U8 serially add it is close after be sent to terminal device and include：
CDN is similarly regular using OTT convergence platform, generates playToken；
Whether the playToken for judging that CDN is generated in the encryption URL string request that playToken and terminal device are sent is identical；
If it is not, then process terminates；
If it is, judging whether CDN caches the URL string of original main M3U8；
If it is, main M3U8 content is replied to terminal device by CDN；
It is requested if it is not, then CDN initiates go back to source to stream pushing server；
Stream pushing server sends original main M3U8 content to CDN, and main M3U8 content is replied to terminal device by CDN.
5. the method according to claim 1 for realizing TS slice door chain, which is characterized in that the CDN judges that terminal is set
Whether effective content includes the URL string for the main M3U8 that preparation is sent：Judge whether system time is effective, judge whether User IP has
Effect；The two has that any one is invalid, then CDN judges that the URL string for the main M3U8 that terminal device is sent is invalid.
6. the method according to claim 1 for realizing TS slice door chain, which is characterized in that the OTT convergence platform solution
Be precipitated original broadcasting URL information, and to URL string encrypted used in cipher mode be：Md5 encryption, encrypted content packet
It includes：Present system time, IP address information and the public key that OTT convergence platform obtains.
7. the method according to claim 1 for realizing TS slice door chain, which is characterized in that if CDN judgement is eventually
The URL string that end equipment is sent effectively, in the URL string of the uncached original sub- M3U8 of CDN, is asked to the stream pushing server source of initiating back
Ask, and obtain the URL string of original sub- M3U8, by the URL of the sub- M3U8 serially add it is close after be sent to terminal device and include：
Judge whether CDN caches the URL string of original sub- M3U8；
If it is, CDN bundle M3U8 content replies to terminal device；
It is requested if it is not, then CDN initiates go back to source to stream pushing server；
Stream pushing server sends original sub- M3U8 content to CDN, and CDN bundle M3U8 content replies to terminal device.
8. a kind of system for realizing TS slice door chain, which is characterized in that including：Terminal device, CDN, pushes away OTT convergence platform
Streaming server；
The terminal device by the string of OTT convergence platform request content URL described in wired or wireless network phase, and receive by
The original broadcasting URL string information that OTT convergence platform is sent passes through CDN described in wired or wireless network phase and requests to send M3U8 letter
Breath and TS are sliced content；
The OTT convergence platform stores original broadcasting URL string information, and when the terminal device initiates to request, will have
The URL string of encryption information playToken returns to terminal device；
The CDN sends to the terminal device by way of requesting being stored in advance or to stream pushing server revolution and leads
M3U8 content, sub- M3U8 content, TS are sliced content.
The stream pushing server stores main M3U8 content, sub- M3U8 content, TS and is sliced content, and issues revolution in the CDN and ask
When asking, related content is sent to CDN.
9. the system according to claim 8 for realizing TS slice door chain, which is characterized in that the terminal device includes：
Smart television, tablet computer, computer, smart phone.
10. the system according to claim 8 for realizing TS slice door chain, which is characterized in that the M3U8 carries information
Including：It is playToken, the Request System time, IP address, ineffectiveness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810925594.5A CN108924595A (en) | 2018-08-15 | 2018-08-15 | Realize the method and system of TS slice door chain |
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