CN109120966A - A kind of method and device and system of 4K program request intelligent decision identification code rate - Google Patents
A kind of method and device and system of 4K program request intelligent decision identification code rate Download PDFInfo
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- CN109120966A CN109120966A CN201810999616.2A CN201810999616A CN109120966A CN 109120966 A CN109120966 A CN 109120966A CN 201810999616 A CN201810999616 A CN 201810999616A CN 109120966 A CN109120966 A CN 109120966A
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- video
- code rate
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- top box
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
- H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
-
- 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, manipulating MPEG-4 scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 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, manipulating MPEG-4 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
Abstract
The present invention discloses the method and device and system of a kind of 4K program request intelligent decision identification code rate, the described method includes: step A, obtains 4K program source, 4K program source video information is marked, the video information includes video code rate information, and the video code rate includes P60 code rate or P30 code rate；P60 code rate is switched to P30 code rate, while retaining P60 bit-rate video if video code rate only has P60 code rate by step B；P60 bit-rate video and P30 bit-rate video are injected head end video identifying system by step C；Step D, head end video identifying system carry out the identification record of P60 and P30 to video, form P60 bit-rate video broadcast address and P30 video playing address；Step E when terminal set top box requests video playing, returns to corresponding video playing address according to terminal set top box model.
Description
Technical field
The present invention relates to 4K video on demand techniques field more particularly to a kind of methods of 4K program request intelligent decision identification code rate
And device and system.
Background technique
According to statistics, China's 4K television set yield 3,000 3 million in 2017, accounts for the 42% of global 4K television set total amount.2020
300,000,000 3 thousand ten thousand families will be broken through by entering amount year whole world 4K, and China becomes the whole world maximum 4K television consumption market.
The quick of 4K television set is popularized, and the development of 4K video program source is promoted.Current CHINA RFTCOM Co Ltd is pushed greatly
Into the universal of 4K video program, however there are a large amount of different models, the set-top box of newness degree, these machines in subscriber household at present
Top box is there are different hardware chips, the video decoding capability with height.In ultra high-definition on-demand process, user needs program request
The program of hardware supported range, otherwise will appear broadcasting can not play, the abnormal conditions such as blank screen or Caton.
Existing 4K video on demand techniques status has the disadvantage in that
1, program restocking needs to follow video program Parameter specifications requirement, as program source parameter be not inconsistent or transcoding parameter setting
Mistake will affect user watched experience effect.
2, existing transcoding device, it is difficult to handle the conversion of the parameters such as colour gamut or HDR, the effect of frame value transcoding is general, fortune
Dynamic scene is easy to appear Caton situation.
It is currently on the market in consideration of it, providing the method and device and system of a kind of 4K program request intelligent decision identification code rate
Urgent need.
Summary of the invention
The present invention aiming at the problems existing in the prior art, provides a kind of method of 4K program request intelligent decision identification code rate,
The described method includes:
Step A obtains 4K program source, marks 4K program source video information, and the video information includes video code rate information,
The video code rate includes P60 code rate or P30 code rate；
P60 code rate is switched to P30 code rate if video code rate only has P60 code rate by step B, while retaining P60 code rate view
Frequently；
P60 bit-rate video and P30 bit-rate video are injected head end video identifying system by step C；
Step D, head end video identifying system carry out the identification record of P60 and P30 to video, form P60 bit-rate video and broadcast
Put address and P30 video playing address；
Step E, when terminal set top box requests video playing, with returning to corresponding video playing according to terminal set top box model
Location.
Further, the step B is specifically included: if video code rate only has P60 code rate, P60 code rate being switched to P30 code
Rate, while retaining P60 bit-rate video；If video code rate only has P30 code rate, P30 code rate is switched into P60 code rate, is retained simultaneously
P30 code rate；If video code rate includes simultaneously P60 code rate and P30 code rate, do not make transcoding；
Further, the step C is specifically included: P30 bit-rate video and P60 bit-rate video injection head end video are known
Other system after injecting successfully, carries out audit restocking to video.
Further, the step D is specifically included: the mark that head end video identifying system carries out P60 and P30 to video is remembered
Record forms P60 bit-rate video broadcast address and P30 video playing address, and P60 bit-rate video broadcast address and P30 are regarded
Frequency broadcast address is stored.
Further, the step E is specifically included: when terminal set top box requests video playing, terminal set top box provides should
The parameter of equipment gives video identification interface, and video identification interface is played to broadcasting chain according to the device parameter got, in request
After connecing, judged according to device parameter, the set-top box of P60 format is supported to return to the broadcast address of P60 mark；Support P30 lattice
The set-top box of formula returns to the broadcast address of P30 mark.
The present invention also provides a kind of device of 4K program request intelligent decision identification code rate, described device includes before transcoding services
End, head end video identifying system, video marker memory, video identification interface, wherein
The transcoding service front-end carries out transcoding to 4K program source, is P30 by the video code conversion that video code rate is P60 code rate
Bit-rate video, while retaining P60 bit-rate video, or by the video code conversion that video code rate is P30 be P60 bit-rate video, simultaneously
Retain P30 bit-rate video；
The head end video identifying system is identified the video after transcoding, formed P30 code rate broadcast address and
The broadcast address of P60 code rate；
The video marker memory stores the broadcast address of mark；
The video identification interface obtains the device parameter of terminal set top box, and carries out identification judgement according to device parameter,
Broadcast address to the set-top box return P60 mark for supporting P60 format；The set-top box of P30 format is supported to return to broadcasting for P30 mark
Put address；
The transcoding service front-end is connect with the head end video identifying system, the head end video identifying system respectively with
The video marker memory and the connection of video identification interface, the video marker memory are known with the head end video respectively
Other system and the connection of video identification interface.
The present invention also provides a kind of systems of 4K program request intelligent decision identification code rate, and the system comprises 4K program source datas
Library, transcoding service front-end, head end video recognition subsystem, video marker memory, video identification interface and Intelligent set top box,
Wherein,
4K program source data library provides 4K program source data；
The transcoding service front-end carries out transcoding to 4K program source, is P30 by the video code conversion that video code rate is P60 code rate
Bit-rate video, while retaining P60 bit-rate video, or by the video code conversion that video code rate is P30 be P60 bit-rate video, simultaneously
Retain P30 bit-rate video；
The head end video recognition subsystem is identified the video after transcoding, formed P30 code rate broadcast address with
And the broadcast address of P60 code rate；
The video marker memory stores the broadcast address of mark；
The video identification interface obtains the device parameter of terminal intelligent set-top box, and carries out identification according to device parameter and sentence
It is disconnected, the broadcast address to the Intelligent set top box return P60 mark for supporting P60 format；The Intelligent set top box of P30 format is supported to return
The broadcast address of P30 mark；
The Intelligent set top box carries out on-demand request to 4K video；
4K program source data library is connect with the transcoding service front-end；The transcoding service front-end respectively with 4K program
Source database and head end video identifying system connection, the head end video identifying system respectively with the video marker memory
And video identification interface connection, the video marker memory respectively with the head end video identifying system and video identification
Interface connection, the video identification interface respectively with the head end video identifying system, video marker memory and intelligent machine
Top box connection.
Compared with prior art, the method and device and system of 4K program request intelligent decision identification code rate provided by the invention,
It solves existing set-top box and selects the mistake program of hardware supported range there are decoding capability difference, occurring playing can not broadcast
Put, the abnormal conditions such as blank screen or Caton the problem of.4K program request intelligent decision of the invention identifies the method and device of code rate and is
System has following advantages:
1. original system architecture design, old model equipment can not play the content of P60 format, and program restocking catalogue is in difference
There is also differences for equipment room.Corresponding decoded program can be played after intelligent recognition automatically, display program request catalogue can be unified.
2. program restocking range of choice is wider, it can select the program of P60, and the program of P30 may be selected.
3. meeting terminal to upgrade demand development, there is the chip terminal of other decoding capabilities later, this method can also be applied.
Detailed description of the invention
Fig. 1 is the flow chart for the method that 4K program request intelligent decision of the invention identifies code rate；
Fig. 2 is the structural schematic diagram for the apparatus and system that 4K program request intelligent decision of the invention identifies code rate.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
As shown in Figure 1, the present invention provides a kind of method of 4K program request intelligent decision identification code rate, which comprises
Step A obtains 4K program source, marks 4K program source video information, and the video information includes video code rate information,
The video code rate includes P60 code rate or P30 code rate；
P60 code rate is switched to P30 code rate if video code rate only has P60 code rate by step B, while retaining P60 code rate view
Frequently；
P60 bit-rate video and P30 bit-rate video are injected head end video identifying system by step C；
Step D, head end video identifying system carry out the identification record of P60 and P30 to video, form P60 bit-rate video and broadcast
Put address and P30 video playing address；
Step E, when terminal set top box requests video playing, with returning to corresponding video playing according to terminal set top box model
Location.
Wherein, the step B is specifically included: if video code rate only has P60 code rate, P60 code rate is switched into P30 code rate,
Retain P60 bit-rate video simultaneously；If video code rate only has P30 code rate, P30 code rate is switched into P60 code rate, while retaining P30
Code rate；If video code rate includes simultaneously P60 code rate and P30 code rate, do not make transcoding；
Wherein, the step C is specifically included: by P30 bit-rate video and P60 bit-rate video injection head end video identification system
System, after injecting successfully, carries out audit restocking to video.
Wherein, the step D is specifically included: head end video identifying system carries out the identification record of P60 and P30 to video,
P60 bit-rate video broadcast address and P30 video playing address are formed, P60 bit-rate video broadcast address and P30 video are broadcast
Address is put to be stored.
Wherein, the step E is specifically included: when terminal set top box requests video playing, terminal set top box provides the equipment
Parameter give video identification interface, video identification interface is according to the device parameter got, after request is played to broadcasting link,
Judged according to device parameter, the set-top box of P60 format is supported to return to the broadcast address of P60 mark；Support the machine of P30 format
Top box returns to the broadcast address of P30 mark.
As shown in Fig. 2, described device includes turning the present invention also provides a kind of device of 4K program request intelligent decision identification code rate
Code service front-end, head end video identifying system, video marker memory, video identification interface, wherein
The transcoding service front-end carries out transcoding to 4K program source, is P30 by the video code conversion that video code rate is P60 code rate
Bit-rate video, while retaining P60 bit-rate video, or by the video code conversion that video code rate is P30 be P60 bit-rate video, simultaneously
Retain P30 bit-rate video；
The head end video identifying system is identified the video after transcoding, formed P30 code rate broadcast address and
The broadcast address of P60 code rate；
The video marker memory stores the broadcast address of mark；
The video identification interface obtains the device parameter of terminal set top box, and carries out identification judgement according to device parameter,
Broadcast address to the set-top box return P60 mark for supporting P60 format；The set-top box of P30 format is supported to return to broadcasting for P30 mark
Put address；
The transcoding service front-end is connect with the head end video identifying system, the head end video identifying system respectively with
The video marker memory and the connection of video identification interface, the video marker memory are known with the head end video respectively
Other system and the connection of video identification interface.
As shown in Fig. 2, the system comprises 4K the present invention also provides a kind of system of 4K program request intelligent decision identification code rate
Program source data library, transcoding service front-end, head end video recognition subsystem, video marker memory, video identification interface and
Intelligent set top box, wherein
4K program source data library provides 4K program source data；
The transcoding service front-end carries out transcoding to 4K program source, is P30 by the video code conversion that video code rate is P60 code rate
Bit-rate video, while retaining P60 bit-rate video, or by the video code conversion that video code rate is P30 be P60 bit-rate video, simultaneously
Retain P30 bit-rate video；
The head end video recognition subsystem is identified the video after transcoding, formed P30 code rate broadcast address with
And the broadcast address of P60 code rate；
The video marker memory stores the broadcast address of mark；
The video identification interface obtains the device parameter of terminal intelligent set-top box, and carries out identification according to device parameter and sentence
It is disconnected, the broadcast address to the Intelligent set top box return P60 mark for supporting P60 format；The Intelligent set top box of P30 format is supported to return
The broadcast address of P30 mark；
The Intelligent set top box carries out on-demand request to 4K video；
4K program source data library is connect with the transcoding service front-end；The transcoding service front-end respectively with 4K program
Source database and head end video identifying system connection, the head end video identifying system respectively with the video marker memory
And video identification interface connection, the video marker memory respectively with the head end video identifying system and video identification
Interface connection, the video identification interface respectively with the head end video identifying system, video marker memory and intelligent machine
Top box connection.
Embodiment
The information such as video frame number are marked when 4K film restocking, inform which film of front end system is P60 or P30, restocking code
The information of rate.If video format only has P60, then automatic transcoding is P30 format.
After two videos all inject successfully, film can just carry out audit restocking.Video injection after front end carry out P60 with
The identification record of P30, this mark need to reach with terminal agreement, two broadcast address are returned to when terminal request plays, one is
P60 mark institute band a broadcasting link, one for P30 identify band broadcasting link.
Two film sources of 4K film are all injected successfully and after restocking, and for terminal when requesting to play, PORTAL can be according to terminal type
Number return be suitble to terminal broadcast address.The set-top box of P60 format is supported to return to the broadcast address of P60 mark；Only support P30 lattice
The set-top box of formula returns to the broadcast address of P30 mark.
If only one film source of P30 format when 4K film injects, different model terminal is with returning to the broadcasting of MV100
Location.
The parameter that terminal set top box needs to provide the equipment gives program request APK, program request APK according to the device parameter got,
After request is played to broadcasting link, judged according to device parameter.
The set-top box of P60 format is supported to return to the broadcast address of P60 mark；The set-top box of P30 format is only supported to return to P30
The broadcast address of mark.
Multi code Rate of Chinese character video for not being 4K is not processed, and keeps original broadcasting logic, for solid size rate video not
It processes, keeps present broadcasting logic.
The method and device and system of 4K program request intelligent decision identification code rate provided by the invention, solve existing set-top box
It is different there are decoding capability and selected the program of hardware supported range wrong, occur playing can not play, blank screen or Caton etc. it is different
The problem of reason condition.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to restrict the invention, it is all in spirit of the invention and
In principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of method of 4K program request intelligent decision identification code rate, which is characterized in that the described method includes:
Step A obtains 4K program source, marks 4K program source video information, the video information includes video code rate information, described
Video code rate includes P60 code rate or P30 code rate；
P60 code rate is switched to P30 code rate, while retaining P60 bit-rate video if video code rate only has P60 code rate by step B；
P60 bit-rate video and P30 bit-rate video are injected head end video identifying system by step C；
Step D, head end video identifying system carry out the identification record of P60 and P30 to video, form P60 bit-rate video and play ground
Location and P30 video playing address；
Step E when terminal set top box requests video playing, returns to corresponding video playing address according to terminal set top box model.
2. the method for 4K program request intelligent decision identification code rate according to claim 1, which is characterized in that the step B tool
If body includes: that video code rate only has P60 code rate, P60 code rate is switched into P30 code rate, while retaining P60 bit-rate video；If depending on
Frequency code rate only has P30 code rate, then P30 code rate is switched to P60 code rate, while retaining P30 code rate；If video code rate includes simultaneously
P60 code rate and P30 code rate, then do not make transcoding.
3. the method for 4K program request intelligent decision identification code rate according to claim 1, which is characterized in that the step C tool
Body includes: after injecting successfully, to carry out P30 bit-rate video and P60 bit-rate video injection head end video identifying system to video
Audit restocking.
4. the method for 4K program request intelligent decision identification code rate according to claim 1, which is characterized in that the step D tool
Body, which includes: head end video identifying system, carries out the identification record of P60 and P30 to video, formed P60 bit-rate video broadcast address with
And P30 video playing address, P60 bit-rate video broadcast address and P30 video playing address are stored.
5. the method for 4K program request intelligent decision identification code rate according to claim 1, which is characterized in that the step E tool
When body includes: terminal set top box request video playing, the parameter that terminal set top box provides the equipment gives video identification interface, video
It identifies that interface according to the device parameter got, after request is played to broadcasting link, is judged according to device parameter, supports
The set-top box of P60 format returns to the broadcast address of P60 mark；Support the set-top box of P30 format with returning to the broadcasting of P30 mark
Location.
6. a kind of device of 4K program request intelligent decision identification code rate, which is characterized in that described device includes transcoding service front-end, preceding
Hold video recognition system, video marker memory, video identification interface, wherein
The transcoding service front-end carries out transcoding to 4K program source, is P30 code rate by the video code conversion that video code rate is P60 code rate
Video, while retaining P60 bit-rate video, or by the video code conversion that video code rate is P30 be P60 bit-rate video, retain simultaneously
P30 bit-rate video；
The head end video identifying system is identified the video after transcoding, forms the broadcast address and P60 code of P30 code rate
The broadcast address of rate；
The video marker memory stores the broadcast address of mark；
The video identification interface obtains the device parameter of terminal set top box, and carries out identification judgement according to device parameter, to branch
The set-top box for holding P60 format returns to the broadcast address of P60 mark；Support the set-top box of P30 format with returning to the broadcasting of P30 mark
Location；
The transcoding service front-end is connect with the head end video identifying system, the head end video identifying system respectively with it is described
Video marker memory and the connection of video identification interface, the video marker memory is identified with the head end video respectively is
System and the connection of video identification interface.
7. a kind of system of 4K program request intelligent decision identification code rate, which is characterized in that the system comprises 4K program source data library,
Transcoding service front-end, head end video recognition subsystem, video marker memory, video identification interface and Intelligent set top box,
In,
4K program source data library provides 4K program source data；
The transcoding service front-end carries out transcoding to 4K program source, is P30 code rate by the video code conversion that video code rate is P60 code rate
Video, while retaining P60 bit-rate video, or by the video code conversion that video code rate is P30 be P60 bit-rate video, retain simultaneously
P30 bit-rate video；
The head end video recognition subsystem is identified the video after transcoding, forms the broadcast address and P60 of P30 code rate
The broadcast address of code rate；
The video marker memory stores the broadcast address of mark；
The video identification interface obtains the device parameter of terminal intelligent set-top box, and carries out identification judgement according to device parameter,
Broadcast address to the Intelligent set top box return P60 mark for supporting P60 format；The Intelligent set top box of P30 format is supported to return to P30
The broadcast address of mark；
The Intelligent set top box carries out on-demand request to 4K video；
4K program source data library is connect with the transcoding service front-end；The transcoding service front-end respectively with 4K program source number
Connected according to library and head end video identifying system, the head end video identifying system respectively with the video marker memory and
Video identification interface connection, the video marker memory respectively with the head end video identifying system and video identification interface
Connection, the video identification interface respectively with the head end video identifying system, video marker memory and Intelligent set top box
Connection.
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