CN106407437A - Live stream real-time editing system and method - Google Patents
Live stream real-time editing system and method Download PDFInfo
- Publication number
- CN106407437A CN106407437A CN201610860678.6A CN201610860678A CN106407437A CN 106407437 A CN106407437 A CN 106407437A CN 201610860678 A CN201610860678 A CN 201610860678A CN 106407437 A CN106407437 A CN 106407437A
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- Prior art keywords
- file
- live
- stream
- real
- module
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/17—Details of further file system functions
- G06F16/1724—Details of de-fragmentation performed by the file system
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/23—Updating
- G06F16/2365—Ensuring data consistency and integrity
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
- G06F16/71—Indexing; Data structures therefor; Storage structures
Abstract
The invention discloses a live stream real-time editing system and method, and relates to the technical field of radio and television living broadcast and network video living broadcast. The live stream real-time editing method comprises that a recording module records live stream data of a live source, and compiles the live stream data into a recording file, and calls a stream data analysis module in real time; the stream data analysis module generates a dynamic index file comprising recording file medium information in dependence on the recorded live stream data; an editing module calls the index file and obtains the recording file medium information to carry out non-linear editing to the live stream. According to the invention, timeliness of recording while editing is improved, and an excess of fragmented recording files are not generated.
Description
Technical field
The present invention relates to radio and television are live and internet video live broadcasting technical field, more particularly, to a kind of live TV stream real-time
Editing system and method.
Background technology
With high speed development from broadcasting and TV cause to digitized direction, the service application based on PC occupies more and more in the industry
Consequence.Program is included as the important means collecting quarry, applies quite varied in business departments such as television stations.
And with Internet technology in the extensive application of traditional radio, TV and film industries it is desirable to acceptance system is ensureing high reliability and redundancy appearance
On the premise of wrong function, to including the seamless connection realized with network, the function of realizing editing when including proposes higher wanting
Ask.Such as：Radio and television are live, internet video live broadcasting is required for real-time edition film clips or Highlight, insert during live
Enter play, therefore opposite side include side editor ageing requirement higher.
In conventional acceptance system, typically can will include after the file of fragmentating, then edlin is entered to fragmentation file.
This way has both sides weak point：
1) the ageing length being limited by fragmentation file edited, since it is desired that wait a fragmentation file to include
Cheng Hou, editor module just can get the information of file, thus carrying out real editor.
2) if being sliced into less fragmentation file including, it is the timeliness that can improve editor to a certain extent
Property, but also creating the small documents of more fragmentations simultaneously, this brings certain difficulty to the management including file.
Content of the invention
The technical problem to be solved is to provide a kind of real-time edition system and method for live TV stream, methods described
Not only increase edit when including ageing, also will not produce excessive fragmentation and include file.
For solving above-mentioned technical problem, the technical solution used in the present invention is：A kind of real-time edition system of live TV stream,
It is characterized in that described system includes：
Include module, include strategy for setting, include the live flow data of live source, write as and include file, and in real time
Call flow data analysis module；
Flow data analysis module, for according to the live flow data included, generating and comprising to include the dynamic of file medium information
State index file；
Editor module, by calling described index file, gets the media information including file, carries out the non-of live TV stream
Linear editing.
Further technical scheme is, described system also includes：
Memory module, for storage include module formation include file.
Further technical scheme is, described strategy of including is when including the specified fragmentation length of file arrival, cuts
File is included in piece storage, and what new live TV stream write was new includes file.
Further technical scheme is, in described index file, the list of file and the media letter of file included in record
Breath；Described media information includes：Include the length of file, video/audio coding/decoding information, frame data index information.
Further technical scheme is, described index file enters action along with the change including file included
State updates.
The invention also discloses a kind of real-time edition method of live TV stream is it is characterised in that methods described includes walking as follows
Suddenly：
Include the live flow data that module includes live source, write as and include file, and real-time calling flow data analysis module；
Flow data analysis module, according to the live flow data included, generates and comprises to include the dynamic index of file medium information
File；
Editor module calls index file, gets and includes the media information of file and carry out the non-linear editing of live TV stream.
Further technical scheme is, methods described also includes the step including file using memory module storage.
Further technical scheme is, methods described also includes, when including the specified fragmentation length of file arrival, cutting
File, the new step including file of new live TV stream write are included in piece storage.
Further technical scheme is, includes module and calls flow data analysis module, include one or more GOP it
Afterwards, generate and include the index file of file, index file exists with including file, and with the carrying out included, dynamically more
New content.
Further technical scheme is, in described index file, the list of file and the media letter of file included in record
Breath；Described media information includes：Include the length of file, video/audio coding/decoding information, frame data index information.
Have the beneficial effects that using produced by technique scheme：The method of the invention can be in the process included
In, by calling flow data analysis module, generate the index file of a dynamic change.With the carrying out included, index file
In dynamic more new record the information including file, call index file during editor module editor and include literary composition it is possible to get
The media information of part, carries out the non-linear editing of live TV stream.The present invention when including file and carrying out, or even including one complete
Image sets, after video/audio it is possible to enter edlin, not only increase and edit when including ageing, also will not produce
The excessive fragmentation of life includes file.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the theory diagram of system described in one embodiment of the invention；
Fig. 2 is the theory diagram of system described in another embodiment of the present invention；
Fig. 3 is the flow chart of one embodiment of the invention methods described；
Fig. 4 is the flow chart of another embodiment of the present invention methods described；
Fig. 5 is the flow chart of third embodiment of the invention methods described；
Wherein：21st, module 22, memory module 23, flow data analysis module 24, editor module are included.
Specific embodiment
With reference to the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Elaborate a lot of details in the following description in order to fully understand the present invention, but the present invention is acceptable
To be implemented different from alternate manner described here using other, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
As shown in figure 1, the embodiment of the invention discloses a kind of real-time edition system of live TV stream, described system includes：
Include module 21, include strategy for setting, include the live flow data of live source, write as and include file, and real
When call flow data analysis module 23；
Flow data analysis module 23, for according to the live flow data included, generating and comprising to include file medium information
Dynamic index file, further, described index file enters Mobile state and updates along with the change including file, described rope
In quotation part, the list of file and the media information of file included in record；Described media information includes：Include the length of file,
Video/audio coding/decoding information, frame data index information；
Editor module 24, by calling described index file, gets the media information including file, carries out live TV stream
Non-linear editing.
In one embodiment of the invention, as shown in Fig. 2 described system also includes：Memory module 22, receives for storage
What record module was formed includes file.
Further, described system enters edlin while including, when including the specified fragmentation length of file arrival,
File is included in section storage, and what new live TV stream write was new includes file.
Described system is included by fragmentation and the side that the information generation index file of file combines is included in analysis in real time
Method, is including during file carries out, the data of file is included in analysis in real time, and produces the index information including file, thus
The information of file and video/audio can be provided to editor module, editor module passes through to index the information providing it is possible to realize
The effect edited when including.This system not only increases edits ageing when including, and also will not produce excessive fragmentation
Include file.
As shown in figure 3, the embodiment of the invention also discloses a kind of real-time edition method of live TV stream, methods described include as
Lower step：
S101：Include the live flow data that module includes live source, write as and include file, and the analysis of real-time calling flow data
Module；
S102：Flow data analysis module, according to the live flow data included, generates and comprises to include the dynamic of file medium information
State index file, in described index file, the list of file and the media information of file included in record；Described media information bag
Include：Include the length of file, video/audio coding/decoding information, frame data index information；
S103：Editor module calls index file, gets and includes the media information of file and carry out the non-linear of live TV stream
Editor.
It should be noted that：Include module and call flow data analysis module, after including one or more GOP, generate
Include the index file of file, index file exists with including file, and with the carrying out included, dynamic update content.
When including module and including stream, write as and included file, while calling flow data analysis module.Flow data analyzes mould
Block generates index file, analyzes flow data simultaneously, takes media information, writes index file.With the carrying out included, constantly more
Listed files information in new index file and the corresponding media information of file.
When can be written generally as including file, a file to be included, write integrated media in file could have been included toward this
Information (such as file size).So, the file do not included, complete media information can not be read, cannot be compiled
Volume.The present invention separates media information from live TV stream, and writes index file, without waiting for the receipts of file when so editing
Record completes, and reads index file and just can obtain media information, thus entering edlin.
When including, after being often cached to a GOP unit, integrally include this GOP.I frame in one GOP, can take
Media information with live flow data.Media information may will be taken, it is long that file is included in write file increase after one GOP
Degree, so needs to update index file.Include file for one to complete, the next one is included file and produced, also can update index literary composition
Part list and the media information adding new file.
As shown in figure 4, the embodiment of the invention also discloses a kind of real-time edition method of live TV stream, methods described include as
Lower step：
S201：Include the live flow data that module includes live source, write as and include file, and the analysis of real-time calling flow data
Module；
S202：File is included by memory module storage；
S203：Flow data analysis module, according to the live flow data included, generates and comprises to include the dynamic of file medium information
State index file, in described index file, the list of file and the media information of file included in record；Described media information bag
Include：Include the length of file, video/audio coding/decoding information, frame data index information；
S204：Editor module calls index file, gets and includes the media information of file and carry out the non-linear of live TV stream
Editor.
As shown in figure 5, the embodiment of the invention also discloses a kind of real-time edition method of live TV stream, methods described include as
Lower step：
S301：Include module to include the live TV stream of live source and start to write and include file；
S302：The audiovisual information in file is included in the analysis in real time of flow data analysis module, including document time length etc.
Information, and generate index file；
S303：By calling index file during editor module editor, get live TV stream fileinfo, carry out non-linear volume
Volume；
S304：Include module to continue to include live TV stream, and call flow data analysis module, update index file；
S305：Call the index file of dynamic renewal during editor module editor, get the up-to-date information including file,
Newly included the editor of content；
S306：Repeat step S304-S305, reaches specified fragmentation length until including file, stops section storage and receives
Record file；
S307：Repeat step S301-S306, until the live end of live source, stops including.
The method of the invention can generate one dynamically during including, by calling flow data analysis module
The index file of change.With the carrying out included, the information including file of dynamic more new record, editor module in index file
Call index file during editor it is possible to get live TV stream fileinfo, carry out non-linear editing.The present invention include written
When part is carried out, or even including complete image sets, after video/audio it is possible to enter edlin, not only increase
Edit when including ageing, also will not produce excessive fragmentation and include file.
Those skilled in the art are it will also be appreciated that the various illustrative components, blocks listed of the embodiment of the present invention
(illustrative logical block), unit, and step can pass through electronic hardware, computer software, or both knots
Conjunction is realized.For clearly showing that the replaceability (interchangeability) of hardware and software, above-mentioned various explanations
Property part (illustrative components), unit and step have universally described their function.Such work(
It can be the design requirement realized by hardware or software depending on specific application and whole system.Those skilled in the art
Can be for every kind of specific application, it is possible to use various methods realize described function, but this realization is understood not to
Scope beyond embodiment of the present invention protection.
Various illustrative logical block described in the embodiment of the present invention, or unit can pass through general processor,
Digital signal processor, special IC (ASIC), field programmable gate array or other programmable logic device, discrete gate
Or transistor logic, discrete hardware components, or the design of any of the above described combination are realizing or to operate described function.General place
Reason device can be microprocessor, and alternatively, this general processor can also be any traditional processor, controller, microcontroller
Device or state machine.Processor can also be realized by the combination of computing device, such as digital signal processor and microprocessor,
Multi-microprocessor, one or more microprocessors one Digital Signal Processor Core of joint, or any other like configuration
To realize.
The step of the method described in the embodiment of the present invention or algorithm can be directly embedded into hardware, computing device soft
Part module or the combination of both.Software module can be stored in RAM memory, flash memory, ROM memory, EPROM storage
Other any form of storage media in device, eeprom memory, depositor, hard disk, moveable magnetic disc, CD-ROM or this area
In.Exemplarily, storage medium can be connected with processor, so that processor can read information from storage medium, and
Write information can be deposited to storage medium.Alternatively, storage medium can also be integrated in processor.Processor and storage medium can
To be arranged in ASIC, ASIC can be arranged in user terminal.Alternatively, processor and storage medium can also be arranged at use
In different part in the terminal of family.
In one or more exemplary designs, above-mentioned functions described by the embodiment of the present invention can be in hardware, soft
The combination in any of part, firmware or this three is realizing.If realized in software, these functions can store and computer-readable
On medium, or it is transmitted on the medium of computer-readable with one or more instructions or code form.Computer readable medium includes electricity
Brain stores medium and is easy to so that allowing computer program transfer to the telecommunication media in other places from a place.Storage medium is permissible
It is any general or special computer can be with the useable medium of access.For example, such computer readable media can include but
It is not limited to RAM, ROM, EEPROM, CD-ROM or other optical disc storage, disk storage or other magnetic storage device, or other
What can be used for carrying or storing to instruct or data structure and other can be by general or special computer or general or special handlings
Device reads the medium of the program code of form.Additionally, any connection can be properly termed computer readable medium, example
As if software is to pass through a coaxial cable, fiber optic cables, double from a web-site, server or other remote resource
Twisted wire, Digital Subscriber Line (DSL) or with the wireless way for transmittings such as example infrared, wireless and microwave be also contained in defined
In computer readable medium.Described video disc (disk) and disk (disc) include Zip disk, radium-shine disk, CD, DVD, floppy disk
And Blu-ray Disc, disk is generally with magnetic duplication data, and video disc generally carries out optical reproduction data with laser.Combinations of the above
Can also be included in computer readable medium.
Above-described specific embodiment, has been carried out to the purpose of the present invention, technical scheme and beneficial effect further
Describe in detail, be should be understood that the specific embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, all any modification, equivalent substitution and improvement within the spirit and principles in the present invention, done etc., all should comprise
Within protection scope of the present invention.
Claims (10)
1. a kind of real-time edition system of live TV stream is it is characterised in that described system includes：
Include module, include strategy for setting, include the live flow data of live source, write as and include file, and real-time calling
Flow data analysis module；
Flow data analysis module, for according to the live flow data included, generating the dynamic rope comprising to include file medium information
Quotation part；
Editor module, by calling described index file, gets the media information including file, carries out the non-linear of live TV stream
Editor.
2. the real-time edition system of live TV stream as claimed in claim 1 is it is characterised in that described system also includes：
Memory module, for storage include module formation include file.
3. live TV stream as claimed in claim 2 real-time edition system it is characterised in that：Described strategy of including is to work as to include literary composition
Part reaches when specifying fragmentation length, and file is included in section storage, and what new live TV stream write was new includes file.
4. live TV stream as claimed in claim 1 real-time edition system it is characterised in that：In described index file, record is received
The record list of file and the media information of file；Described media information includes：Include the length of file, video/audio compiles solution
Code information, frame data index information.
5. live TV stream as claimed in claim 1 real-time edition system it is characterised in that：Described index file is along with receipts
Record the change including file and enter Mobile state update.
6. a kind of real-time edition method of live TV stream is it is characterised in that methods described comprises the steps：
Include the live flow data that module includes live source, write as and include file, and real-time calling flow data analysis module；
Flow data analysis module, according to the live flow data included, generates the dynamic index literary composition comprising to include file medium information
Part；
Editor module calls index file, gets and includes the media information of file and carry out the non-linear editing of live TV stream.
7. the real-time edition method of live TV stream as claimed in claim 6 is it is characterised in that methods described is also included using storage
The step that module stores include file.
8. the real-time edition method of live TV stream as claimed in claim 6 is it is characterised in that methods described also includes working as including literary composition
Part reaches when specifying fragmentation length, and file, the new step including file of new live TV stream write are included in section storage.
9. live TV stream as claimed in claim 6 real-time edition method it is characterised in that：
Include module and call flow data analysis module, after including one or more GOP, generate the index literary composition including file
Part, index file exists with including file, and with the carrying out included, dynamic update content.
10. live TV stream as claimed in claim 6 real-time edition method it is characterised in that：
In described index file, the list of file and the media information of file included in record；Described media information includes：Receive
The length of record file, video/audio coding/decoding information, frame data index information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610860678.6A CN106407437A (en) | 2016-09-28 | 2016-09-28 | Live stream real-time editing system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610860678.6A CN106407437A (en) | 2016-09-28 | 2016-09-28 | Live stream real-time editing system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106407437A true CN106407437A (en) | 2017-02-15 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610860678.6A Pending CN106407437A (en) | 2016-09-28 | 2016-09-28 | Live stream real-time editing system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10867634B1 (en) | 2020-05-05 | 2020-12-15 | Disney Enterprises, Inc. | Content editing during broadcast |
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| CN101472118A (en) * | 2007-12-24 | 2009-07-01 | 新奥特（北京）视频技术有限公司 | Method for cutting document during acceptance process of acceptance system |
| CN102984600A (en) * | 2012-12-12 | 2013-03-20 | 成都索贝数码科技股份有限公司 | Method for non-linear editing software to access file according to time slices, based on internet HTTP |
| CN104683884A (en) * | 2015-02-09 | 2015-06-03 | 网宿科技股份有限公司 | Live method and system for stream medium |
-
2016
- 2016-09-28 CN CN201610860678.6A patent/CN106407437A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101472118A (en) * | 2007-12-24 | 2009-07-01 | 新奥特（北京）视频技术有限公司 | Method for cutting document during acceptance process of acceptance system |
| CN102984600A (en) * | 2012-12-12 | 2013-03-20 | 成都索贝数码科技股份有限公司 | Method for non-linear editing software to access file according to time slices, based on internet HTTP |
| CN104683884A (en) * | 2015-02-09 | 2015-06-03 | 网宿科技股份有限公司 | Live method and system for stream medium |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10867634B1 (en) | 2020-05-05 | 2020-12-15 | Disney Enterprises, Inc. | Content editing during broadcast |
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Application publication date: 20170215 |