CN106375844A - VR panoramic live video transmission gateway and method - Google Patents
VR panoramic live video transmission gateway and method Download PDFInfo
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- CN106375844A CN106375844A CN201610831261.7A CN201610831261A CN106375844A CN 106375844 A CN106375844 A CN 106375844A CN 201610831261 A CN201610831261 A CN 201610831261A CN 106375844 A CN106375844 A CN 106375844A
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000005540 biological transmission Effects 0.000 title claims abstract description 32
- 238000012545 processing Methods 0.000 claims abstract description 30
- 238000004891 communication Methods 0.000 claims abstract description 7
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000001934 delay Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
- H04N21/4382—Demodulation or channel decoding, e.g. QPSK demodulation
-
- 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
- H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
- H04N21/2389—Multiplex stream processing, e.g. multiplex stream encrypting
-
- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4331—Caching operations, e.g. of an advertisement for later insertion during playback
-
- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/436—Interfacing a local distribution network, e.g. communicating with another STB or one or more peripheral devices inside the home
- H04N21/4363—Adapting the video stream to a specific local network, e.g. a Bluetooth® network
- H04N21/43637—Adapting the video stream to a specific local network, e.g. a Bluetooth® network involving a wireless protocol, e.g. Bluetooth, RF or wireless LAN [IEEE 802.11]
-
- 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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
- H04N21/4383—Accessing a communication channel
-
- 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
- H04N21/61—Network physical structure; Signal processing
- H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
- H04N21/6112—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving terrestrial transmission, e.g. DVB-T
-
- 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
- H04N21/643—Communication protocols
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention relates to a VR panoramic live video transmission gateway and method. The gateway comprises a tuning module, ademodulation module, a TS stream processing module, a data cache module and a WIFI module which are serially connected in sequence, wherein the gateway further comprises a core processing module; the tuning module is used for receiving a radio frequency signal and tuning the same; the demodulation module is used for demodulating the signal and outputting and transmitting TS stream data; the TS stream processing module is used for collecting and demultiplexing the TS stream data; the data cache module is used for caching the data; the WIFI module is used for pushing the data to a user terminal; and the core processing module is used for processing a communication protocol and coordinating the work of the modules. The VR panoramic live video transmission gateway provided by the invention solves the problem that users cannot view VR panoramic live broadcast signals transmitted by a broadcasting and TV HFC network, the users can access bandwidths more highly and more stably to watch 4K VR panoramic live video signals with higher code rates.
Description
Technical field
The present invention relates to technical field of virtual reality is and in particular to a kind of vr panorama live video transport gateway and method.
Background technology
Transmission with regard to vr (virtual reality, i.e. virtual reality) panorama live signal and reception, in the market
Vr panorama live signal is not put into the background skill of hfc (hybridfiber-coaxia, i.e. hybrid fiber/ coax, HFC) net
Art, user can only receive the vr panorama live rf (radio of broadcasting and TV hfc net transmission by stb (set-top box, i.e. Set Top Box)
Frequency radio frequency) signal, because vr panoramic video is a kind of ball-type video technique, user can only watch that vr is complete after receiving
The planar stretch video of scape live signal, is distortion, cannot normally watch vr panoramic video.
Content of the invention
The technical problem to be solved is for the deficiencies in the prior art, provides a kind of vr panorama live video to pass
Defeated gateway and method.
The technical scheme is that
A kind of vr panorama live video transport gateway, is applied to broadcasting and TV hfc net, including the tuner module being sequentially connected in series, solves
Mode transfer block, ts stream process module, data cache module and wifi module, also include core processing module, described core processing mould
Block connects tuner module, demodulation module, ts stream process module, data cache module and wifi module respectively；
Described tuner module, for receiving radiofrequency signal and described radiofrequency signal being tuned as intermediate-freuqncy signal；
Described demodulation module, for being demodulated described intermediate-freuqncy signal and exporting transmission ts flow data；
Described ts stream process module, the described ts flow data for exporting to demodulation module is acquired, demultiplexes, and will tie
Fruit uploads to core processing module and is sent to data cache module；
Described data cache module, for entering row cache to described ts flow data；
Described wifi module, in the form of focus to user terminal propelling data, simultaneously with radio connection to
Next level router propelling data；
Described core processing module, is used for carrying out communications protocol process, the wireless network to wifi hotspot, wifi to router
Network is managed, and coordinates the work of each module simultaneously.
The invention has the beneficial effects as follows: by gateway of the present invention by being tuned to radiofrequency signal, demodulating, demultiplex
Realize broadcasting and TV hfc net transmission vr panorama live signal with, caching and forwarding, described core processing module to the work of each module and
Communications protocol etc. carries out chief coordinator and management, not only solves the vr panorama live signal that user cannot watch the net transmission of broadcasting and TV hfc
Problem, and user can higher more stable access bandwidth, watch the 4k vr panoramic video live signal of higher code check.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described radiofrequency signal is the vr panorama live signal of dvb-c type.
Beneficial effect using above-mentioned further scheme is: realizes the transmission of vr panorama live signal.
Further, described wifi module adopts tcp/ip transmission control protocol propelling data.
Beneficial effect using above-mentioned further scheme is: realizes transmitting it is ensured that the transmission of big code check code stream, obtains
High-quality vr panorama live signal.
Further, described ts flow data includes vr panorama live signal, copyright protection information and cryptographic protocol；Described encryption
Agreement be used for by soft encryption mode, described ts flow data is encrypted, the ts flow data after encryption by using described soft plus
The corresponding algorithm deciphering of close mode.
Beneficial effect using above-mentioned further scheme is: on the basis of original only support clear stream, increase copyright protection,
Increase cryptographic protocol, using soft encryption mode, bit stream data is encrypted it is ensured that only special algorithm could be deciphered.
Further, described ts stream process module, is additionally operable to the pid of off-gauge psi/si information is filtered, and
Psi/si information is analyzed.
Beneficial effect using above-mentioned further scheme is: has reserved the process of off-gauge psi/si information, can solve
Certainly common Set Top Box cannot find the problem of vr program.
For achieving the above object, the present invention also provides a kind of vr panorama live video transmission method, walks including following
Rapid:
Receive radiofrequency signal and described radiofrequency signal is tuned as intermediate-freuqncy signal；
Described intermediate-freuqncy signal is demodulated and exports transmission ts flow data；
Described ts flow data is acquired, demultiplexes, result is uploaded to core processing module and is sent to data and delays
Storing module enters row cache；
To user terminal propelling data in the form of focus, number is pushed with the downward level-1 router of radio connection simultaneously
According to.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described radiofrequency signal is the vr panorama live signal of dvb-c type.
Further, using tcp/ip transmission control protocol to user terminal and next level router propelling data.
Further, described ts flow data includes vr panorama live signal, copyright protection information and cryptographic protocol；Described encryption
Agreement be used for by soft encryption mode, described ts flow data is encrypted, the ts flow data after encryption by using described soft plus
The corresponding algorithm deciphering of close mode.
Further, described described ts flow data is acquired, demultiplexes, also include to off-gauge psi/si information
Pid is filtered, and psi/si information is analyzed.
Brief description
Fig. 1 is a kind of present invention vr panorama live video transport gateway structural representation；
Fig. 2 is a kind of present invention vr panorama live video transmission method flow chart；
Fig. 3 is a kind of present invention vr panorama live video transmission method embodiment schematic diagram.
Specific embodiment
Below in conjunction with accompanying drawing, the principle of the present invention and feature are described, example is served only for explaining the present invention, and
Non- for limiting the scope of the present invention.
As shown in figure 1, a kind of vr panorama live video transport gateway, it is applied to broadcasting and TV hfc net, including the tune being sequentially connected in series
Humorous module, demodulation module, ts stream process module, data cache module and wifi module, also include core processing module, described core
Heart processing module connects tuner module, demodulation module, ts stream process module, data cache module and wifi module respectively；
Described tuner module, for receiving radiofrequency signal and described radiofrequency signal being tuned as intermediate-freuqncy signal；
Described demodulation module, for being demodulated described intermediate-freuqncy signal and exporting transmission ts flow data；
Described ts stream process module, the described ts flow data for exporting to demodulation module is acquired, demultiplexes, and will tie
Fruit uploads to core processing module and is sent to data cache module；
Described data cache module, for entering row cache to described ts flow data；
Described wifi module, in the form of focus to user terminal propelling data, simultaneously with radio connection to
Next level router propelling data；
Described core processing module, is used for carrying out communications protocol process, the wireless network to wifi hotspot, wifi to router
Network is managed, and coordinates the work of each module simultaneously.
By gateway of the present invention by being tuned to radiofrequency signal, demodulating, demultiplex, cache and forward realization wide
Electric hfc net transmission vr panorama live signal, described core processing module is always assisted to the work of each module and communications protocol etc.
It is in harmonious proportion and manages, not only solve the problems, such as that user cannot watch the vr panorama live signal of broadcasting and TV hfc net transmission, and user is permissible
Higher more stable access bandwidth, watches the 4k vr panoramic video live signal of higher code check.
Described radiofrequency signal is the vr panorama live signal of dvb-c type, realizes the transmission of vr panorama live signal.
Dvb (digital video broadcasting, i.e. DVB), is that by dvb project maintenance is
The DTV Open Standard of row international recognition, wherein dvb-c is digital cable TV broadcast system standard.
For realizing transmitting it is ensured that the transmission of big code check code stream, obtain high-quality vr panorama live signal, described
Wifi module adopts tcp/ip transmission control protocol propelling data.
Described ts flow data includes vr panorama live signal, copyright protection information and cryptographic protocol；Described cryptographic protocol is used
In being encrypted to described ts flow data by soft encryption mode, the ts flow data after encryption is by using described soft encryption mode
Corresponding algorithm deciphering.On the basis of original only support clear stream, increase copyright protection, increase cryptographic protocol, using soft encryption
Mode, bit stream data is encrypted it is ensured that only special algorithm could be deciphered.
Described ts stream process module, is additionally operable to the pid of off-gauge psi/si information is filtered, and to psi/si
Information is analyzed.Reserve the process of off-gauge psi/si information, common Set Top Box can have been solved and cannot find vr program
Problem.
As shown in Fig. 2 for achieving the above object, the present invention also provides a kind of vr panorama live video transmission method,
Comprise the steps:
Receive radiofrequency signal and described radiofrequency signal is tuned as intermediate-freuqncy signal；
Described intermediate-freuqncy signal is demodulated and exports transmission ts flow data；
Described ts flow data is acquired, demultiplexes, result is uploaded to core processing module and is sent to data and delays
Storing module enters row cache；
To user terminal propelling data in the form of focus, number is pushed with the downward level-1 router of radio connection simultaneously
According to.
Described vr panorama live signal overcomes the figure of the distortion of vr image complanation stretching that prior art receives
The defect of picture, user can normally watch vr panoramic video, obtains happy vr experience.
As shown in figure 3, being a kind of present invention vr panorama live video transmission method embodiment schematic diagram, described tuner module
Receive the vr panorama live signal that radiofrequency signal is dvb-c, become intermediate-freuqncy signal after tuning and export demodulation module；
Ts flow data is exported after demodulation module centering frequency demodulated signal；
Ts stream process module is acquired to described ts flow data, demultiplexes and including reserved, off-gauge psi/si is believed
The pid of breath filters and psi/si analysis, obtains program menu data flow and program content data stream, by program menu data flow
Reach core processing module, program content data stream is sent to data cache module and enters row cache；
Core processing module generates program menu and controls database；
The control data of the core processing module according to reception for the wifi module and program menu information, from data cache module
Obtain the program content data of described program menu, to user terminal propelling data in the form of focus, connected with wireless simultaneously
Mode downward level-1 router propelling data；
In above procedure, core processing module also carries out hfc network communication protocol process, to wifi hotspot, wifi to road
It is managed by the wireless network of device, coordinate the work of each module simultaneously.
Subscriber terminal side, the controlling stream of intelligent terminal's (mobile phone, flat board) pass through wifi channel (hotspot pattern, wireless to road
By modes such as patterns) reach core processing module, by core processing module scheduled control data storehouse and program menu.
Control data and program menu are sent to wifi module by core processing module, wifi module according to program menu from
Data cache module obtains corresponding program content data, and program data data is pushed to intelligent end by wifi channel
End.
Program content data is reduced to original audio data and video data by intelligent terminal, to original audio data with regard
Frequency decoding data gets final product display program content after processing.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of vr panorama live video transport gateway is it is characterised in that be applied to broadcasting and TV hfc net, including the tune being sequentially connected in series
Humorous module, demodulation module, ts stream process module, data cache module and wifi module, also include core processing module, described core
Heart processing module connects tuner module, demodulation module, ts stream process module, data cache module and wifi module respectively；
Described tuner module, for receiving radiofrequency signal and described radiofrequency signal being tuned as intermediate-freuqncy signal；
Described demodulation module, for being demodulated described intermediate-freuqncy signal and exporting transmission ts flow data；
Described ts stream process module, the described ts flow data for exporting to demodulation module is acquired, demultiplexes, by result
Pass to core processing module and be sent to data cache module；
Described data cache module, for entering row cache to described ts flow data；
Described wifi module, in the form of focus to user terminal propelling data, simultaneously with radio connection to next
Level router propelling data；
Described core processing module, is used for carrying out communications protocol process, the wireless network of wifi hotspot, wifi to router is entered
Line pipe is managed, and coordinates the work of each module simultaneously.
2. according to claim 1 a kind of vr panorama live video transport gateway it is characterised in that described radiofrequency signal is
The vr panorama live signal of dvb-c type.
3. according to claim 2 a kind of vr panorama live video transport gateway it is characterised in that described wifi module adopt
Tcp/ip transmission control protocol propelling data.
4. according to claim 2 a kind of vr panorama live video transport gateway it is characterised in that described ts flow data includes
Vr panorama live signal, copyright protection information and cryptographic protocol；Described cryptographic protocol is used for by soft encryption mode to described ts
Flow data is encrypted, and the ts flow data after encryption is deciphered by using the corresponding algorithm of described soft encryption mode.
5. according to claim 2 a kind of vr panorama live video transport gateway it is characterised in that described ts stream process mould
Block, is additionally operable to the pid of off-gauge psi/si information is filtered, and psi/si information is analyzed.
6. a kind of vr panorama live video transmission method is it is characterised in that comprise the steps:
Receive radiofrequency signal and described radiofrequency signal is tuned as intermediate-freuqncy signal；
Described intermediate-freuqncy signal is demodulated and output transport stream ts data；
Described ts flow data is acquired, demultiplexes, result is uploaded to core processing module and is sent to data buffer storage mould
Block enters row cache；
To user terminal propelling data in the form of focus, simultaneously with radio connection downward level-1 router propelling data.
7. according to claim 6 vr panorama live video transmission method it is characterised in that described radiofrequency signal be dvb-c
The vr panorama live signal of type.
8. according to claim 7 vr panorama live video transmission method it is characterised in that using tcp/ip pass transport control protocol
Discuss to user terminal and next level router propelling data.
9. according to claim 7 vr panorama live video transmission method it is characterised in that described ts flow data to include vr complete
Scape live signal, copyright protection information and cryptographic protocol；Described cryptographic protocol is used for by soft encryption mode to described ts fluxion
According to being encrypted, the ts flow data after encryption is deciphered by using the corresponding algorithm of described soft encryption mode.
10. according to claim 7 vr panorama live video transmission method it is characterised in that described to described ts flow data
It is acquired, demultiplexes, also include the pid of off-gauge psi/si information is filtered, and psi/si information is carried out
Analysis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201610831261.7A CN106375844A (en) | 2016-09-20 | 2016-09-20 | VR panoramic live video transmission gateway and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610831261.7A CN106375844A (en) | 2016-09-20 | 2016-09-20 | VR panoramic live video transmission gateway and method |
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| CN106375844A true CN106375844A (en) | 2017-02-01 |
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| CN201610831261.7A Pending CN106375844A (en) | 2016-09-20 | 2016-09-20 | VR panoramic live video transmission gateway and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111970552A (en) * | 2020-08-04 | 2020-11-20 | 深圳市佳创视讯技术股份有限公司 | Method and system for playing DVB panoramic video stream in real time based on set top box |
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| CN102595237A (en) * | 2011-01-12 | 2012-07-18 | 日立民用电子株式会社 | Transmitter and transmission method |
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| CN103986966A (en) * | 2014-05-28 | 2014-08-13 | 广州视源电子科技股份有限公司 | System and method for pushing smart television image to mobile terminal for display |
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| CN101720007A (en) * | 2008-10-08 | 2010-06-02 | 索尼株式会社 | Picture signal processing system, playback apparatus and display apparatus, and picture signal processing method |
| CN102595237A (en) * | 2011-01-12 | 2012-07-18 | 日立民用电子株式会社 | Transmitter and transmission method |
| CN102883204A (en) * | 2011-07-11 | 2013-01-16 | Lg电子株式会社 | Image display apparatus and method for operating the same |
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| CN111970552A (en) * | 2020-08-04 | 2020-11-20 | 深圳市佳创视讯技术股份有限公司 | Method and system for playing DVB panoramic video stream in real time based on set top box |
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