CN107360226A - The store method and device of live video - Google Patents
The store method and device of live video Download PDFInfo
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- CN107360226A CN107360226A CN201710561709.2A CN201710561709A CN107360226A CN 107360226 A CN107360226 A CN 107360226A CN 201710561709 A CN201710561709 A CN 201710561709A CN 107360226 A CN107360226 A CN 107360226A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000008859 change Effects 0.000 claims abstract description 56
- 238000006243 chemical reaction Methods 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000004321 preservation Methods 0.000 claims description 9
- 238000005516 engineering process Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
-
- 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
- H04N21/231—Content storage operation, e.g. caching movies for short term storage, replicating data over plural servers, prioritizing data for deletion
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
-
- 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
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
- H04N21/234309—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4 or from Quicktime to Realvideo
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
This application provides a kind of store method of live video and device, live video form change server passes through the download address from CDN ends reception live video stream, the video download request for including download address is sent to CDN ends, the media file corresponding to video download request is received from CDN ends, the media file received is converted to the file of preset format, the file of preset format is sent into CDN ends to preserve, due to preserving the live video stream before form is changed at CDN ends, the guarantee in terms of CDN network bandwidth is obtained, live video form change server can get the media file before complete form conversion from CDN ends, changed for form, be not in the prior art because caused by the server network Bandwidth-Constrained oneself built live video stream lack the problem of；In addition, the file of the preset format after form conversion also preserves at CDN ends, complete video flowing can be played by being further ensured that.
Description
Technical field
The application is related to the store method and device of a kind of live video.
Background technology
The preservation of current live video, it is by rtmp (Real Time Media Protocol), hls (HTTP Live
) and the audio, video data in the Media Stream of live agreement such as rtp (Real-Time Transport Protocol) Streaming
Save as the file of local corresponding format.In view of the compatibility of various playback equipments, typically using mp4 (MPEG-4 Part
14) media file format.Media Stream is pushed on the server oneself built by traditional preservation file mode when being live,
The data collected on server are changed into mp4 files using conventional third party's instrument (such as ffmpeg) after live end.But by
Influenceed in by network bandwidth, the data that server is collected into often have missing, and third party's instrument is in synthesis, right
In the not good enough of the asynchronous issue handling of the audio frequency and video of some audio-video frequency medias.
The content of the invention
The purpose of the application is the store method and device for providing a kind of live video, can solve the problem that what is built by oneself
The problem of live video stream lacks caused by server network Bandwidth-Constrained.
To solve the above problems, the application provides a kind of store method of the live video at CDN ends, including：
The live video stream that plug-flow client is sent is obtained, the live video stream is preserved and generates corresponding download ground
Location；
The download address is sent to live video form change server；
The video download request for including the download address is received from the live video form change server, according to institute
State media file corresponding to video download request to live video form change server transmission；
The file of the preset format after form is changed is received from the live video form change server, and is carried out
Storage.
Further, in the above-mentioned methods, download address corresponding to the live video stream and generation is preserved, including：
The live video stream is saved as into m3u8 addresses corresponding to ts slicing files and generation.
According to the another side of the application, a kind of preservation of the live video at live video form change server end is also provided
Method, including：
The download address of live video stream is received from CDN ends；
The video download request for including the download address is sent to CDN ends, is received from the CDN ends and corresponds to described regard
The media file of frequency download request；
The media file received is converted to the file of preset format, the file of the preset format is sent to CDN
End preserves.
Further, in the above-mentioned methods, the video download request for including the download address is sent to CDN ends, from institute
State CDN ends and receive the media file for corresponding to the video download request, including：
The video download request for including the m3u8 addresses is sent to CDN ends, is received from the CDN ends and corresponds to described regard
The ts slicing files of frequency download request.
Further, in the above-mentioned methods, the media file received is converted to the file of preset format, including：
The ts slicing files are synthesized into ts files；
The ts files are converted into mp4 formatted files.
According to the another side of the application, there is provided a kind of CDN ends, including：
Acquisition device, for obtaining the live video stream of plug-flow client transmission, preserve the live video stream and generate
Corresponding download address；
Address device is sent, for the download address to be sent into live video form change server；
Video flowing device is sent, for being received from the live video form change server comprising the download address
Video download request, according to media file corresponding to the video download request to live video form change server transmission；
Storage device, for receiving the preset format after form is changed from the live video form change server
File, and stored.
Further, in above-mentioned CDN ends, the acquisition device, for the live video stream to be saved as into ts bursts
M3u8 addresses corresponding to file and generation.
The application also provides a kind of live video form change server, including：
Address device is received, for receiving the download address of live video stream from CDN ends；
Video flowing device is received, the video download request of the download address is included for being sent to CDN ends, from described
CDN ends receive the media file corresponding to the video download request；
Conversion equipment, for the media file received to be converted to the file of preset format, by the preset format
File is sent to the preservation of CDN ends.
Further, in said system, in live video form change server, the reception video flowing device, use
In the video download request that the m3u8 addresses are included to the transmission of CDN ends, received from the CDN ends and correspond to video download
The ts slicing files of request.
Further, in above-mentioned live video form change server, the conversion equipment, for by the ts bursts
File synthesis is ts files；The ts files are converted into mp4 formatted files.
Compared with prior art, the application is sent by the download address from CDN ends reception live video stream to CDN ends
Video download request comprising the download address, the media text corresponding to the video download request is received from the CDN ends
Part, the media file received is converted to the file of preset format, the file of the preset format is sent into CDN ends protects
Deposit, due to preserving the live video stream before form is changed at CDN ends, obtained the guarantee in terms of CDN network bandwidth, it is live to regard
Frequency form change server can get the media file before complete form conversion from CDN ends, be changed for form, no
Can exist in the prior art because caused by the server network Bandwidth-Constrained oneself built live video stream lack the problem of；Separately
Outside, the media file after form conversion is also preserved at CDN ends, and complete video flowing can be played by being further ensured that.
Brief description of the drawings
Fig. 1 is the schematic diagram of the embodiment of the application one；
Fig. 2 is the flow chart of the store method of the live video at the CDN ends of the embodiment of the application one；
Fig. 3 is the stream of the store method of the live video at the live video form change server end of the embodiment of the application one
Cheng Tu.
Embodiment
It is below in conjunction with the accompanying drawings and specific real to enable the above-mentioned purpose of the application, feature and advantage more obvious understandable
Mode is applied to be described in further detail the application.
As shown in figure 1, the application includes both ends, respectively CDN ends 1 and the end of live video form change server 2, its
In, CDN (Content Delivery Network) ends 1 are used to receive original live video stream from plug-flow client, and use
In the file that preset format of the media file after form is changed is received from live video form change server end.Live video
The end of form change server 2 be used for from CDN ends receive media file, and media file is entered row format conversion after, by form turn
The file for changing rear preset format is sent to the preservation of CDN ends.
Specifically, CDN is content distributing network, be by network place that node server formed everywhere existing
Internet basic on one layer of intelligent virtual network, CDN can in real time according to the connecting of network traffics and each node, bear
Load situation and the request of user is re-directed into the clothes nearest from user to the integrated information such as the distance of user and response time
It is engaged on node.
As shown in Fig. 2 the application provides a kind of store method of the live video at CDN ends, including：
Step S11, the live video stream that plug-flow client is sent is obtained, preserved corresponding to the live video stream and generation
Download address；
Step S12, the download address is sent to live video form change server；A download can specifically be generated
The message queue of address obtains for live video form change server end；
Step S13, receiving the video download comprising the download address from the live video form change server please
Ask, according to media file corresponding to the video download request to live video form change server transmission；
Step S14, the text of the preset format after form is changed is received from the live video form change server
Part, and stored.
Here, due to preserving the live video stream before form is changed at CDN ends, in terms of having obtained CDN network bandwidth
Ensureing, live video form change server can get the media file before complete form conversion from CDN ends, for
Form is changed, and is not in that live video stream lacks caused by the server network Bandwidth-Constrained oneself built in the prior art
The problem of mistake；In addition, the file of the preset format after form conversion also preserves at CDN ends, being further ensured that can play completely
Video flowing.
In the embodiment of store method one of the live video at the CDN ends of the application, preservation in step S1 is described live to be regarded
Frequency flows and generates corresponding download address, including：
The live video stream is saved as into m3u8 addresses, such as http corresponding to ts slicing files and generation://
.......m3u8。
Here, m3u8, is a series of text formatting file for including ts slicing files addresses, is started with #EXTM3U.m3u8
Address is a http address, is downloaded using http agreements during download.The present embodiment passes through ts (MPEG Transport
Stream) slicing files and corresponding m3u8 addresses, can be further ensured that live video form change server obtains from CDN ends
Get the media file before complete form conversion.
As shown in figure 3, the application provides a kind of store method of the live video at live video form change server end,
Including：
Step S21, the download address of live video stream is received from CDN ends；
Step S22, the video download request for including the download address is sent to CDN ends, received from the CDN ends corresponding
In the media file of the video download request；
Step S23, the media file received is converted to the file of preset format, the file of the preset format is sent out
It is sent to the preservation of CDN ends.
Here, due to preserving the live video stream before form is changed at CDN ends, in terms of having obtained CDN network bandwidth
Ensureing, live video form change server can get the media file before complete form conversion from CDN ends, for
Form is changed, and is not in that live video stream lacks caused by the server network Bandwidth-Constrained oneself built in the prior art
The problem of mistake；In addition, the file of the preset format after form conversion also preserves at CDN ends, being further ensured that to play
Whole video flowing.
In the embodiment of store method one of the live video at the live video form change server end of the application, to CDN
End sends the video download request for including the download address, is received from the CDN ends corresponding to the video download request
Media file, including：
The video download request for including the m3u8 addresses is sent to CDN ends, is received from the CDN ends and corresponds to described regard
The ts slicing files of frequency download request.
The present embodiment passes through ts (MPEG Transport Stream) slicing files and corresponding m3u8 addresses, Neng Goujin
One step ensures that live video form change server gets the media file before complete form conversion from CDN ends.
In the embodiment of store method one of the live video at the live video form change server end of the application, it will receive
To media file be converted to the file of preset format, including：
The ts slicing files are synthesized into ts files；
The ts files are converted into mp4 (MPEG4 Part14) formatted file.
In transfer process, by being checked to the timestamp of the audio frequency and video in ts files, and work as and check audio frequency and video not
Compatible adjustment is done when synchronous, so that the mp4 formatted files being ultimately converted to can play normally, solves present technology
In, the nonsynchronous problem of audio frequency and video in form transfer process.
The application also provides another CDN ends, including：
Acquisition device, for obtaining the live video stream of client transmission, preserve the live video stream and generate correspondingly
Download address；
Address device is sent, for the download address to be sent into live video form change server；
Video flowing device is sent, for being received from the live video form change server comprising the download address
Video download request, according to media file corresponding to the video download request to live video form change server transmission；
Storage device, for receiving the preset format after form is changed from the live video form change server
File, and stored.
Here, due to preserving the live video stream before form is changed at CDN ends, in terms of having obtained CDN network bandwidth
Ensureing, live video form change server can get the media file before complete form conversion from CDN ends, for
Form is changed, and is not in that live video stream lacks caused by the server network Bandwidth-Constrained oneself built in the prior art
The problem of mistake；In addition, the file of the preset format after form conversion also preserves at CDN ends, being further ensured that can play completely
Video flowing.
In the embodiment of CDN ends one of the application, the acquisition device, for the live video stream to be saved as into ts bursts
M3u8 addresses corresponding to file and generation.
Here, m3u8, is a series of text formatting file for including ts slicing files addresses, is started with #EXTM3U.m3u8
Address is a http address, is downloaded using http agreements during download.The present embodiment passes through ts (MPEG Transport
Stream) slicing files and corresponding m3u8 addresses, can be further ensured that live video form change server obtains from CDN ends
Get the media file before complete form conversion.
According to the another side of the application, a kind of live video form change server is also provided, including：
Address device is received, for receiving the download address of live video stream from CDN ends；
Video flowing device is received, the video download request of the download address is included for being sent to CDN ends, from described
CDN ends receive the media file corresponding to the video download request；
Conversion equipment, for the media file received to be converted to the file of preset format, by the preset format
File is sent to the preservation of CDN ends.
Here, due to preserving the live video stream before form is changed at CDN ends, in terms of having obtained CDN network bandwidth
Ensureing, live video form change server can get the media file before complete form conversion from CDN ends, for
Form is changed, and is not in that live video stream lacks caused by the server network Bandwidth-Constrained oneself built in the prior art
The problem of mistake；In addition, the file of the preset format after form conversion also preserves at CDN ends, being further ensured that can play completely
Video flowing.
In the embodiment of live video form change server one of the application, the reception video flowing device, for CDN
End sends the video download request for including the m3u8 addresses, is received from the CDN ends corresponding to the video download request
Ts slicing files.
Here, m3u8, is a series of text formatting file for including ts slicing files addresses, is started with #EXTM3U.m3u8
Address is a http address, is downloaded using http agreements during download.The present embodiment passes through ts (MPEG Transport
Stream) slicing files and corresponding m3u8 addresses, can be further ensured that live video form change server obtains from CDN ends
Get the media file before complete form conversion.
In the embodiment of live video form change server one of the application, the conversion equipment, for by the ts points
Piece file synthesis is ts files；The ts files are converted into mp4 formatted files.
In transfer process, by being checked to the timestamp of the audio frequency and video in ts files, and work as and check audio frequency and video not
Compatible adjustment is done when synchronous, so that the mp4 formatted files being ultimately converted to can play normally, solves present technology
In, the nonsynchronous problem of audio frequency and video in form transfer process.
In summary, the application sends to CDN ends by the download address from CDN ends reception live video stream and includes institute
The video download request of download address is stated, the media file corresponding to the video download request is received from the CDN ends, will connect
The media file received is converted to the file of preset format, by the file of the preset format be sent to CDN ends preserve, due to
CDN ends preserve the live video stream before form conversion, have obtained the guarantee in terms of CDN network bandwidth, and live video form turns
The media file before complete form conversion can be got from CDN ends by changing server, changed for form, be not in existing
Have in technology because caused by the server network Bandwidth-Constrained oneself built live video stream lack the problem of；In addition, form
The file of preset format after conversion is also preserved at CDN ends, and complete video flowing can be played by being further ensured that.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
Professional further appreciates that, with reference to the unit of each example of the embodiments described herein description
And algorithm steps, can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software, the composition and step of each example are generally described according to function in the above description.These
Function is performed with hardware or software mode actually, application-specific and design constraint depending on technical scheme.Specialty
Technical staff can realize described function using distinct methods to each specific application, but this realization should not
Think to exceed scope of the present application.
Obviously, those skilled in the art can carry out various changes and modification without departing from spirit herein to invention
And scope.So, if these modifications and variations of the application belong to the application claim and its equivalent technologies scope it
Interior, then the application is also intended to including these changes and modification.
Claims (10)
- A kind of 1. store method of the live video at CDN ends, it is characterised in that including：The live video stream that plug-flow client is sent is obtained, preserves download address corresponding to the live video stream and generation；The download address is sent to live video form change server；The video download request for including the download address is received from the live video form change server, is regarded according to described Media file corresponding to frequency download request to live video form change server transmission；The file of the preset format after form is changed is received from the live video form change server, and is deposited Storage.
- 2. the store method of the live video at CDN ends as claimed in claim 1, it is characterised in that preserve the live video Flow and generate corresponding download address, including：The live video stream is saved as into m3u8 addresses corresponding to ts slicing files and generation.
- A kind of 3. store method of the live video at live video form change server end, it is characterised in that including：The download address of live video stream is received from CDN ends；The video download request for including the download address is sent to CDN ends, receives and corresponds under the video from the CDN ends Carry the media file of request；The media file received is converted to the file of preset format, the file of the preset format is sent into CDN ends protects Deposit.
- 4. the store method of the live video at live video form change server end as claimed in claim 3, its feature exist In being sent to CDN ends and include the video download request of the download address, received from the CDN ends corresponding under the video The media file of request is carried, including：The video download request for including the m3u8 addresses is sent to CDN ends, receives and corresponds under the video from the CDN ends Carry the ts slicing files of request.
- 5. the store method of the live video at live video form change server end as claimed in claim 4, its feature exist In, the media file received is converted to the file of preset format, including：The ts slicing files are synthesized into ts files；The ts files are converted into mp4 formatted files.
- A kind of 6. CDN ends, it is characterised in that including：Acquisition device, for obtaining the live video stream of plug-flow client transmission, preserve the live video stream and generate correspondingly Download address；Address device is sent, for the download address to be sent into live video form change server；Video flowing device is sent, for receiving the video for including the download address from the live video form change server Download request, according to media file corresponding to the video download request to live video form change server transmission；Storage device, for receiving the text of the preset format after form is changed from the live video form change server Part, and stored.
- 7. CDN ends as claimed in claim 6, it is characterised in that the acquisition device, for the live video stream to be preserved For m3u8 addresses corresponding to ts slicing files and generation.
- A kind of 8. live video form change server, it is characterised in that including：Address device is received, for receiving the download address of live video stream from CDN ends；Video flowing device is received, for sending the video download request for including the download address to CDN ends, from the CDN ends Receive the media file corresponding to the video download request；Conversion equipment, for the media file received to be converted to the file of preset format, by the file of the preset format It is sent to the preservation of CDN ends.
- 9. live video form change server as claimed in claim 8, it is characterised in that the reception video flowing device, For sending the video download request for including the m3u8 addresses to CDN ends, receive and correspond under the video from the CDN ends Carry the ts slicing files of request.
- 10. live video form change server as claimed in claim 9, it is characterised in that the conversion equipment, for inciting somebody to action The ts slicing files synthesize ts files；The ts files are converted into mp4 formatted files.
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| CN201710561709.2A CN107360226A (en) | 2017-07-11 | 2017-07-11 | The store method and device of live video |
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| CN112333466A (en) * | 2020-11-02 | 2021-02-05 | 创盛视联数码科技（北京）有限公司 | Video processing method, device and system |
| CN112333466B (en) * | 2020-11-02 | 2023-05-09 | 创盛视联数码科技（北京）有限公司 | Video processing method, device and system |
| CN114339366A (en) * | 2021-12-22 | 2022-04-12 | 武汉市烽视威科技有限公司 | Method, device and equipment for replacing advertisements in review programs |
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