CN109151614A - A kind of method and device reducing the delay of HLS live play - Google Patents
A kind of method and device reducing the delay of HLS live play Download PDFInfo
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- CN109151614A CN109151614A CN201710462373.4A CN201710462373A CN109151614A CN 109151614 A CN109151614 A CN 109151614A CN 201710462373 A CN201710462373 A CN 201710462373A CN 109151614 A CN109151614 A CN 109151614A
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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
-
- 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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/84—Generation or processing of descriptive data, e.g. content descriptors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- 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
- H04N21/8455—Structuring of content, e.g. decomposing content into time segments involving pointers to the content, e.g. pointers to the I-frames of the video stream
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/85—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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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a kind of method and devices of reduction HLS live play delay, are related to stream media technology field, and method, which includes: CDN network, is processed into the source code flow from source containing acting the HLS code stream broadcast label and describe file for broadcasting small fragment；When receiving the live play request of terminal transmission, CDN network judges whether the terminal is the terminal supported to broadcast label and described file according to live play request；If it is determined that the terminal is to have supported to broadcast the terminal that label describes file, then CDN network include the HLS code stream broadcast label and describe file to terminal transmission, and the terminal is made to broadcast broadcasting label and describe file and starting to be broadcast live for small fragment using receiving in HLS code stream.
Description
Technical field
The present invention relates to stream media technology field, in particular to a kind of method and device for reducing the delay of HLS live play.
Background technique
HLS (HTTP Live Streaming, hypertext live stream) agreement is that Apple Inc. (Apple Inc.) is realized
Based on the streaming media transmission protocol of HTTP (HyperText Transfer Protocol, hypertext transfer protocol), in recent years,
HLS protocol is widely applied in Streaming Media field, can be according to network bandwidth certainly because the agreement is transmitted using HTTP
Code rate is adaptively adjusted, i.e. permission server is the media stream that same programme content stores multiple and different code rates, and terminal can root
The code rate of the media stream to be downloaded is adaptively adjusted according to actual network speed of download, in network bandwidth anxiety, eventually
End can realize uninterrupted play by reducing code rate；And relative to other streaming media communication agreements, HLS protocol is in service arrangement
When can be preferably compatible with other the relevant technologies.There are one very big advantages by HLS: HTML5 (Hyper Text
Markup Language5, hypertext markup language 5) broadcasting can be directly opened, this means can be a live streaming chain
The forwardings such as wechat sharing was connected, does not need that any independent APP is installed, has browser, so popularity is very high.
Due to these advantages of HLS protocol, live streaming media is widely applied OTT (Over The Top), but phase
For common live streaming media agreement, such as RTMP (Real Time Messaging Protocol, real-time messages transmission association
View) agreement, RTSP (Real Time Streaming Protocol, real time streaming transport protocol) agreement, MMS (Microsoft
Media Serverprotocol, streaming media transportation protocol) agreement etc., HLS is broadcast live maximum difference and is, client is broadcast live
It gets, is not a complete data flow.Live data streams are stored as continuously, very by HLS protocol in server end
Long media file (MPEG-TS (Moving Picture Experts Group-Transport Stream, Dynamic Graph in short-term
As Experts Group-Transport Stream) format), and client is then constantly downloaded and plays these small documents, because server end always can
Newest live data is generated to new small documents, as long as such client is ceaselessly played in order and got from server
File is achieved that live streaming.As shown in Figure 1, substantially client needs to start to play after requesting 3 small documents, therefore
Rising for it broadcasts delay and generally can always be higher than common live streaming media agreement.
Summary of the invention
The technical issues of scheme that provides according to embodiments of the present invention solves is that HLS direct broadcast band acts that broadcast delay time long.
(Content Delivery Network, content distributing network) (User Datagram Protocol, User Datagram Protocol
View)
A kind of method of the reduction HLS live play delay provided according to embodiments of the present invention, comprising:
Source code flow from source is processed into and broadcasts rising for small fragment and broadcast label and describe file containing rising by CDN network
HLS code stream；
When receiving the live play request of terminal transmission, CDN network judges the end according to live play request
Whether end is to have supported to broadcast the terminal that label describes file；
If it is determined that the terminal is to have supported to broadcast the terminal that label describes file, then CDN network sends to the terminal and wraps
Containing the HLS code stream broadcast label and describe file is acted, so that the terminal is broadcast rising for small fragment using rising in reception HLS code stream and broadcast label
Description file starts to be broadcast live.
Preferably, further includes: CDN network judges that the terminal describes file not supported to broadcast label according to the request
Terminal when, broadcast rising to broadcast label and describe the HLS code stream of file and being sent to terminal for small fragment for not contained.
Preferably, the source code flow includes UDP code stream or HLS code stream；Wherein, if the CDN network is received original
Code stream is that UDP code stream includes:
CDN network receives the UDP code stream that source is sent by udp protocol；
CDN network by received UDP code stream slicing treatment at the HLS code stream comprising original description file.
Preferably, the CDN network by the source code flow from source be processed into containing rise broadcast small fragment rise broadcast label
Description file HLS code stream include:
The CDN network by media slicing conversion process in the original description file at virtual small fragment；
The CDN network parses the I frame information in the virtual small fragment, obtains having included to broadcast rising for small fragment
Broadcast the HLS code stream that label describes file.
Preferably, described when receiving the live play request of terminal transmission, CDN network is requested according to the live play
Judge whether the terminal is to have supported to broadcast label and describe the terminal of file to include:
CDN network is analyzed by the live play request sent to terminal, is determined in the live play request
Whether the field of broadcasting is supported comprising terminal；
If it is determined that supporting the field played comprising terminal in the live play request, then CDN network judges terminal for branch
It has held and has broadcast the terminal that label describes file；
If it is determined that not including terminal in the live play request supports the field played, then CDN network judges that terminal is
It has not supported to broadcast the terminal that label describes file.
A kind of device of the reduction HLS live play delay provided according to embodiments of the present invention, comprising:
Processing module, for by the source code flow from source be processed into containing rise broadcast small fragment rise broadcast label description text
The HLS code stream of part；
Judgment module, for requesting to judge according to the live play when receiving the live play request of terminal transmission
Whether the terminal is to have supported to broadcast the terminal that label describes file；
Sending module, for when determining that the terminal is the terminal supported to broadcast label and described file, then to the terminal
Transmission has included the HLS code stream broadcast label and describe file, and the terminal is made to broadcast rising for small fragment using rising in HLS code stream is received
It broadcasts label and describes file and start to be broadcast live.
Preferably, the sending module is also used to judge the terminal according to the request not supported to broadcast label description
When the terminal of file, rising to broadcast label and describe the HLS code stream of file and being sent to terminal for small fragment is broadcast by not contained.
Preferably, the source code flow includes UDP code stream or HLS code stream；Wherein, the processing module is also used to pass through
Udp protocol receives the UDP code stream that source is sent, and by received UDP code stream slicing treatment at including original description file
HLS code stream.
Preferably, the processing module be specifically used for by media slicing conversion process in the original description file at
Virtual small fragment, and the I frame information in the virtual small fragment is parsed, it obtains having included to broadcast rising for small fragment to broadcast label
The HLS code stream of file is described.
Preferably, the judgment module includes:
Determination unit is analyzed for the live play request by sending to terminal, determines that the live play is asked
Whether the User-Agent field in asking is EXT-I-FRAMES；
Judging unit, for being EXT-I-FRAMES when the User-Agent field in the determining live play request,
Judge terminal then to have supported to broadcast the terminal that label describes file, and when determining the User- in the live play request
Agent field is not EXT-I-FRAMES, then judges terminal not supported to broadcast the terminal that label describes file.
The scheme provided according to embodiments of the present invention, it is a kind of to reduce each fragment duration, such as 1s, while in description file
Middle to increase the media file that additional tags mark includes I frame, whens terminal plays, requests since the media file for having I frame, requests
Start to broadcast after three 1s slicing files, thus can be reduced HLS and be broadcast live and broadcast delay, to promote user experience effect.And
And the terminal for supporting the label, terminal play record time started sowing time, after playing a period of time (configurable), server
It is switched to the mode for sending original description file, to reduce http request link number improving performance.
Detailed description of the invention
Fig. 1 is to be broadcast live sowing time using HLS before the present invention to prolong schematic diagram；
Fig. 2 is a kind of method flow diagram for reducing the delay of HLS live play provided in an embodiment of the present invention；
Fig. 3 is a kind of schematic device for reducing the delay of HLS live play provided in an embodiment of the present invention；
Fig. 4 is that HLS provided in an embodiment of the present invention has been broadcast live sowing time and prolongs schematic diagram；
Fig. 5 is the system schematic of reduction HLS live play delay provided in an embodiment of the present invention；
Fig. 6 is the system group network figure of reduction HLS live play delay provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with attached drawing to a preferred embodiment of the present invention will be described in detail, it should be understood that described below is excellent
Select embodiment only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
Fig. 2 is a kind of method flow diagram for reducing the delay of HLS live play provided in an embodiment of the present invention, as shown in Fig. 2,
Include:
Source code flow from source is processed into and broadcasts rising for small fragment and broadcast label and retouch containing rising by step S201:CDN network
State the HLS code stream of file；
Step S202: when receiving the live play request of terminal transmission, CDN network is sentenced according to live play request
Whether the terminal of breaking is to have supported to broadcast the terminal that label describes file；
Step S203: if it is determined that the terminal is to have supported to broadcast the terminal that label describes file, then CDN network is to the end
It has included the HLS code stream broadcast label and describe file that end, which is sent, and the terminal is made to broadcast small fragment using rising in HLS code stream is received
It rises to broadcast label and describe file and starts to be broadcast live.
The embodiment of the invention also includes: CDN network judges that the terminal is retouched not supported to broadcast label according to the request
When stating the terminal of file, rising to broadcast label and describe the HLS code stream of file and being sent to terminal for small fragment is broadcast by not contained.
Wherein, the source code flow includes UDP code stream or HLS code stream；Wherein, if the received source code of the CDN network
Stream is that UDP code stream includes: the UDP code stream that CDN network receives source transmission by udp protocol；CDN network is by the received UDP of institute
Code stream slicing treatment is at the HLS code stream comprising original description file.
Wherein, the source code flow from source is processed into and broadcasts rising for small fragment and broadcast label and retouch containing rising by the CDN network
The HLS code stream for stating file include: the CDN network by media slicing conversion process in the original description file at virtual
Small fragment；The CDN network parses the I frame information in the virtual small fragment, obtains having included to broadcast rising for small fragment
Broadcast the HLS code stream that label describes file.
Wherein, described when receiving the live play request of terminal transmission, CDN network is sentenced according to live play request
Whether the terminal of breaking is to have supported that broadcasting label to describe the terminal of file includes: CDN network by broadcasting to the live streaming that terminal is sent
It puts request to be analyzed, determines the field for whether supporting broadcasting comprising terminal in the live play request；If it is determined that described
The field played is supported comprising terminal in live play request, then CDN network judges terminal to have supported to broadcast label and having described file
Terminal；If it is determined that not including terminal in the live play request supports the field played, then CDN network judges terminal for not
It has supported to broadcast the terminal that label describes file.That is, CDN network is divided by the live play request sent to terminal
Analysis determines whether the User-Agent field in the live play request is EXT-I-FRAMES；If it is determined that described broadcast
Putting the User-Agent field in request is EXT-I-FRAMES, then CDN network judges terminal to have supported to broadcast label description text
The terminal of part；If it is determined that the User-Agent field in the live play request is not EXT-I-FRAMES, then CDN network is sentenced
Disconnected terminal is not supported to broadcast the terminal that label describes file.
Fig. 3 is a kind of schematic device for reducing the delay of HLS live play provided in an embodiment of the present invention, as shown in figure 3,
Include: processing module 301, for by the source code flow from source be processed into containing rise broadcast small fragment rise broadcast label description text
The HLS code stream of part；Judgment module 302, for being asked according to the live play when receiving the live play request of terminal transmission
It asks and judges whether the terminal is to have supported to broadcast the terminal that label describes file；Sending module 303, for when the determining terminal
To have supported to broadcast the terminal that label describes file, then includes the HLS code stream broadcast label and describe file to terminal transmission, made
The terminal broadcasts rising to broadcast label and describe file and starting to be broadcast live for small fragment using rising in HLS code stream is received.
Wherein, the sending module 303 is also used to judge that the terminal is retouched not supported to broadcast label according to the request
When stating the terminal of file, rising to broadcast label and describe the HLS code stream of file and being sent to terminal for small fragment is broadcast by not contained.
Wherein, the source code flow includes UDP code stream or HLS code stream；Wherein, the processing module 301 is also used to pass through
Udp protocol receives the UDP code stream that source is sent, and by received UDP code stream slicing treatment at including original description file
HLS code stream.
Wherein, the processing module 301 is specifically used for by media slicing conversion process in the original description file
It is parsed at virtual small fragment, and by the I frame information in the virtual small fragment, obtains having included to broadcast rising for small fragment to broadcast mark
The HLS code stream of label description file.
Wherein, the judgment module 302 comprises determining that unit, for by the live play that terminal is sent request into
Row analysis determines the field whether played comprising terminal support in the live play request；Judging unit, for when determination
The field played is supported comprising terminal in live play request, then judges terminal to have supported to broadcast the end that label describes file
End, and support the field played not comprising terminal when determining in the live play request, then terminal is judged not supported
Broadcast the terminal that label describes file.
Fig. 5 is the system schematic of reduction HLS live play delay provided in an embodiment of the present invention, as shown in figure 5, packet
It includes: source, receiving module, slice conversion module, HLS bit stream module and terminal.
Wherein, the source can be divided into two major classes, UDP code stream source or HLS code stream source, wherein HLS code stream source, include description
File and fragment media file；UDP the HLS code stream of source is introduced into inside the CDN network of OTT by the receiving module；
Code stream is sliced into HLS common code stream first if source is UDP code stream by the slice conversion module, while generating the void of 1s
Intend the description file of small fragment, wherein introducing new label with the small fragment that I frame starts；If source is HLS code stream, parsing point
I frame information in piece file, generates the description file of the virtual small fragment of 1s, as shown in figure 4, being drawn with the small fragment that I frame starts
Enter new label.Increased label is seen below:
#EXT-X-I-FRAMES-MEDIA
Described HLS bit stream module, such as http protocol etc., by the description file comprising new label, original description text
Part and slicing files transmit in entire CDN node；The terminal, i.e. HLS code stream play end, if the terminal is supported to increase newly
Label, server-side will just be returned comprising the description file for increasing label newly, otherwise return to original description file.The terminal of support is direct
It is requested since being described in file the corresponding media file of first label position.Whether terminal is supported can be in broadcasting
Particular value in HTTP request in field is distinguished, such as: User-Agent:EXT-I-FRAMES, for supporting the label
Terminal, terminal play record time started sowing time, and after playing a period of time (configurable), server is switched to transmission original description
The mode of file, to reduce http request link number improving performance.
Fig. 6 is the system group network figure of reduction HLS live play delay provided in an embodiment of the present invention, as shown in fig. 6, packet
It includes:
The first step, source provides source code flow, UDP code stream source or HLS code stream source, for example passes through IPTV (Internet
Protocol Television, Internet protocol TV) encoder obtains UDP code stream, and HLS content supplier passes through HLS encoder
HLS source code flow is obtained, wherein including description file and media file；
Second step, central node receive above-mentioned source code flow using UDP/HTTP agreement, are sliced change server for code stream
It is converted into the description file comprising new label, this describes the virtual small fragment that fragment media file in file is 1s, if original
Code stream is UDP, synchronous to generate common description file, such as mono- fragment of 10s.
Third step, the HLS code stream that slice change server obtains are distributed inside entire CDN network, eventually arrive at edge
Node；
4th step, HLS terminal are requested to fringe node, are carried out HLS live play, are supported the terminal of new label, server
Send include new label description file, it is on the contrary then return to common description file.
5th step, for supporting the terminal of newly-increased label, after playing a period of time, server is switched to common description text
Part mode.
The implementation of technical solution is described in further detail below, by taking code stream source is HLS code stream as an example:
HLS content supplier provides HLS content by HLS encoder, including master index index.m3u8, subindex
$ rateid.m3u8 and the corresponding ts file of subindex.
The HLS code stream that the central node of OTT CDN receives encoder is stored in local, the slice Transformation Service of central node
Device parses the I frame information in slicing files, generates the description file of the virtual small fragment of 1s, is introduced with the small fragment that I frame starts
New label.Conversion is implemented as follows:
1, master index index.m3u8 is remained unchanged in conversion process, need to only increase the subindex comprising newly-increased label,
Common subindex content is as follows:
#EXTM3U
#EXT-X-VERSION:3
#EXT-X-TARGETDURATION:11
#EXT-X-MEDIA-SEQUENCE:1
#EXTINF:10
1.ts
#EXTINF:10
2.ts
#EXTINF:10
3.ts
2, the media slicing file for including in simple index is converted into the virtual fragment of mono- fragment of 1s, and carries out I frame
Parsing obtains the new subindex file comprising mark I frame information label, and content is as follows:
#EXTM3U
#EXT-X-VERSION:3
#EXT-X-TARGETDURATION:11
#EXT-X-MEDIA-SEQUENCE:1
#EXTINF:1
1.ts? zbytes=0-100
#EXTINF:1
1.ts? zbytes=101-200
#EXT-X-I-FRAMES-MEDIA
#EXTINF:1
1.ts? zbytes=201-300
……
3, master index, two class subindexs, media file transmit in entire OTT CDN network, final bit stream to side
Edge node.
4, terminal request fringe node plays, transmission live play request URL (Uniform Resource Locator,
Uniform resource locator), request master index index.m3u8 first, server end is according to User- in terminal request http
Whether Agent field is EXT-I-FRAMES to determine the subindex for sending common subindex and still increasing newly-increased label.
5, the terminal for increasing label newly for support, after it plays and stablizes for a period of time, server-side, which is switched to, to be sent commonly
The mode of subindex file can be reduced the link number of http request in this way, economize on resources to which improving performance and user experience are imitated
Fruit.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.Such as
For DASH (Dynamic Adaptive Streaming over HTTP, the dynamic self-adapting stream based on HTTP), HSS
(Home Subscriber Server, home signature user server) this kind of index file+media file format it is also the same
It is applicable in.
The scheme provided according to embodiments of the present invention, by reducing each fragment duration, such as 1s, while in description file
Middle to increase the media file that additional tags mark includes I frame, whens terminal plays, requests since the media file for having I frame, requests
Start to broadcast after three 1s slicing files, thus can be reduced HLS and be broadcast live and broadcast delay, to promote user experience effect.
Although describing the invention in detail above, but the invention is not restricted to this, those skilled in the art of the present technique
It can be carry out various modifications with principle according to the present invention.Therefore, all to be modified according to made by the principle of the invention, all it should be understood as
Fall into protection scope of the present invention.
Claims (10)
1. a kind of method for reducing the delay of HLS live play, comprising:
Source code flow from source is processed into and broadcasts rising for small fragment and broadcast the HLS code that label describes file containing rising by CDN network
Stream；
When receiving the live play request of terminal transmission, CDN network judges that the terminal is according to live play request
No is to have supported to broadcast the terminal that label describes file；
If it is determined that the terminal is to have supported to broadcast the terminal that label describes file, then CDN network includes to terminal transmission
The HLS code stream that label describes file is broadcast, so that the terminal is broadcast rising for small fragment using rising in reception HLS code stream and broadcasts label description
File starts to be broadcast live；
Wherein, the HLS refers to hypertext live stream；The CDN refers to content distributing network.
2. according to the method described in claim 1, further include: CDN network judges the terminal according to the request not support
It rises when broadcasting label and describing the terminal of file, will contain the label of broadcasting for broadcasting small fragment and described the HLS code stream of file and be sent to
Terminal.
3. according to the method described in claim 1, the source code flow includes UDP code stream or HLS code stream；Wherein, if the CDN
The received source code flow of network is that UDP code stream includes:
CDN network receives the UDP code stream that source is sent by udp protocol；
CDN network by received UDP code stream slicing treatment at the HLS code stream comprising original description file；
Wherein, the UDP refers to User Datagram Protocol；The HTTP refers to hypertext transfer protocol.
4. according to the method described in claim 3, the CDN network by the source code flow from source be processed into containing rise broadcast it is small
The rising of fragment, which broadcasts label and describe the HLS code stream of file, includes:
The CDN network by media slicing conversion process in the original description file at virtual small fragment；
The CDN network parses the I frame information in the virtual small fragment, obtains having included to broadcast rising for small fragment to broadcast mark
The HLS code stream of label description file.
5. according to the method described in claim 4, it is described when receive terminal transmission live play request when, CDN network according to
Live play request judges whether the terminal is to have supported to broadcast label and describe the terminal of file to include:
CDN network is analyzed by the request of the live play that sends to terminal, determine in the live play request whether
The field played is supported comprising terminal；
If it is determined that supporting the field played comprising terminal in the live play request, then CDN network judges terminal to support
Broadcast the terminal that label describes file；
If it is determined that not including terminal in the live play request supports the field played, then CDN network judges terminal not prop up
It has held and has broadcast the terminal that label describes file.
6. a kind of device for reducing the delay of HLS live play, comprising:
Processing module broadcasts rising for small fragment and broadcasts label and describe file containing rising for being processed into the source code flow from source
HLS code stream；
Judgment module, for when receive terminal transmission live play request when, according to the live play request judgement described in
Whether terminal is to have supported to broadcast the terminal that label describes file；
Sending module, for when determining that the terminal be the terminal supported to broadcast label and described file, then to terminal transmission
Comprising acting the HLS code stream broadcast label and describe file, so that the terminal is broadcast rising for small fragment using rising in reception HLS code stream and broadcast mark
Label description file starts to be broadcast live；
Wherein, the HLS refers to hypertext live stream；The CDN refers to content distributing network.
7. device according to claim 6, the sending module is also used to judge the terminal for not according to the request
When having supported that broadcasting label describes the terminal of file, by do not contained broadcast small fragment rise broadcast label describe file HLS code stream send out
Give terminal.
8. device according to claim 6, the source code flow includes UDP code stream or HLS code stream；Wherein, the processing
Module is also used to receive the UDP code stream that source is sent by udp protocol, and by the received UDP code stream slicing treatment of institute at comprising
The HLS code stream of original description file；
Wherein, the UDP refers to User Datagram Protocol；The HTTP refers to hypertext transfer protocol.
9. device according to claim 8, the processing module is specifically used for by matchmaker in the original description file
Body fragment conversion process is parsed at virtual small fragment, and by the I frame information in the virtual small fragment, obtains having included to broadcast
The HLS code stream that label describes file is broadcast in rising for small fragment.
10. device according to claim 9, the judgment module include:
Determination unit is analyzed for the live play request by sending to terminal, is determined in the live play request
Whether comprising terminal support play field；
Judging unit, for when determining the field played in the live play request comprising terminal support, then judging that terminal is
It has supported to broadcast the terminal that label describes file, and has supported the word played not comprising terminal when determining in the live play request
Section judges terminal then not supported to broadcast the terminal that label describes file.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710462373.4A CN109151614B (en) | 2017-06-19 | 2017-06-19 | Method and device for reducing HLS live broadcast delay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710462373.4A CN109151614B (en) | 2017-06-19 | 2017-06-19 | Method and device for reducing HLS live broadcast delay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109151614A true CN109151614A (en) | 2019-01-04 |
| CN109151614B CN109151614B (en) | 2023-05-16 |
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| CN110324727A (en) * | 2019-07-16 | 2019-10-11 | 浙江大华技术股份有限公司 | Computer readable storage medium, server and its method for responding playing request |
| CN110933476A (en) * | 2019-12-06 | 2020-03-27 | 杭州视洞科技有限公司 | HLS first screen time optimization scheme based on Relay |
| CN111726652A (en) * | 2020-07-03 | 2020-09-29 | 湖南快乐阳光互动娱乐传媒有限公司 | Audio live stream slicing method and device |
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| CN110324727A (en) * | 2019-07-16 | 2019-10-11 | 浙江大华技术股份有限公司 | Computer readable storage medium, server and its method for responding playing request |
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| CN111726652A (en) * | 2020-07-03 | 2020-09-29 | 湖南快乐阳光互动娱乐传媒有限公司 | Audio live stream slicing method and device |
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