CN107071499A - Live broadcast system - Google Patents
Live broadcast system Download PDFInfo
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- CN107071499A CN107071499A CN201710239725.XA CN201710239725A CN107071499A CN 107071499 A CN107071499 A CN 107071499A CN 201710239725 A CN201710239725 A CN 201710239725A CN 107071499 A CN107071499 A CN 107071499A
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- panorama camera
- network node
- broadcast system
- live
- live broadcast
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Classifications
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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
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/2187—Live feed
-
- 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
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/21805—Source of audio or video content, e.g. local disk arrays enabling multiple viewpoints, e.g. using a plurality of cameras
-
- 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
- H04N21/233—Processing of audio elementary streams
- H04N21/2335—Processing of audio elementary streams involving reformatting operations of audio signals, e.g. by converting from one coding standard to another
-
- 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
- H04N21/23424—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving splicing one content stream with another content stream, e.g. for inserting or substituting an advertisement
-
- 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
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4126—The peripheral being portable, e.g. PDAs or mobile phones
-
- 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
- H04N21/439—Processing of audio elementary streams
- H04N21/4394—Processing of audio elementary streams involving operations for analysing the audio stream, e.g. detecting features or characteristics in audio streams
Abstract
The present invention proposes a kind of live broadcast system, App terminals and high in the clouds including panorama camera and the connection panorama camera, the panorama camera includes multiway images sensor, audio processing modules, concatenation module, and signal processing module, the audio digital signals for multiway images data signal and the audio processing modules input for being inputted multiway images sensor by concatenation module are spliced into 2K or 4K panoramic videos, then the 2K panoramic videos plug-flow inputted concatenation module by signal processing module to App terminals carry out live preview, or it is uploaded to high in the clouds after the 4K panoramic videos compression for inputting the concatenation module, directly watched on the display terminal for be connected to high in the clouds.The live broadcast system of the present invention need not carry out complicated calculating in display terminal, also without high performance home server and live Platform Server progress plug-flow is configured, the framework of live broadcast system is simplified, cost has been saved, and a variety of occasions can be applied to, improve applicability.
Description
Technical field
The present invention relates to streaming media transmission technique field, more particularly to a kind of live broadcast system.
Background technology
In recent years, panoramic camera (Panorama Camera) initially enters the popular visual field, the visual field model of panoramic camera
Enclose bigger than common camera, the videorama in a place can be met.
But, current panoramic camera only shoots original video, it is necessary to carry out complicated calculations in display terminal, is carrying out
Be also required to configure high performance home server when live and live Platform Server carry out pushing video streaming, have also need to through
Secondary transcoding is crossed, this live broadcast system framework is complicated, expensive, and applicability is poor.
The content of the invention
It is a primary object of the present invention to provide a kind of live broadcast system, it is intended to simplify the framework of existing live broadcast system, improve
Its applicability.
To achieve the above object, live broadcast system proposed by the present invention, including panorama camera and the connection panorama camera
App terminals, the panorama camera includes：
Multiway images sensor, multiway images data signal is converted to by the image frame that camera lens is picked up；
The audio digital signals of microphone input are encoded, decoding process by audio processing modules；
Concatenation module, the multiway images data signal that the multiway images sensor is inputted and the audio processing modules
The audio digital signals of input are spliced into panoramic video；
Signal processing module, the panoramic video plug-flow that the concatenation module is inputted to App terminals carries out live preview.
Further, the live broadcast system also includes the high in the clouds for connecting the panorama camera, and the concatenation module exports 2K
Or 4K panoramic videos, it is uploaded to institute after 2K the or 4K panoramic videos compression that the signal processing module inputs the concatenation module
State high in the clouds.
Further, the App terminals include parameter setting module, to the plug-flow address of the panorama camera and other are straight
Parameter is broadcast to be configured.
Further, the panorama camera also includes communication module, and the communication module includes WiFi units, bluetooth list
Member and RJ45 interfaces, the panorama camera received by the WiFi units or bluetooth unit App terminals control instruction, to
The App terminal transmissions 2K panoramic video flow datas, 4K panoramic video data are uploaded by the RJ45 interfaces to the high in the clouds.
Further, the first storage that the signal processing module includes DSP Processor and is connected with the DSP Processor
Device, the 4K panoramic videos after the first memory compresses to the DSP Processor are stored.
Further, the signal processing module is additionally operable to：
Judge between the storage of the 4K panoramic videos and the plug-flow of the 2K panoramic videos with the presence or absence of conflict；
If so, pushing the prompting frame comprising the Save option and display option to App terminals；
When receiving the idsplay order of App terminals feedback, the 2K panoramic videos data are pushed to the App terminals.
Further, the App terminals also include plug-flow module, and the DSP Processor is pushed into the 2K panoramas of coming
Video data plug-flow is to the high in the clouds.
Further, the live broadcast system also includes a network node, and the panorama camera is connected by the RJ45 interfaces
The network node, the panorama camera also includes the live switches of 4K；
In the live switch conductions of the 4K, the WiFi units or bluetooth unit disconnect wireless between App terminals
Communication connection, the DSP Processor pushes 4K panoramic video data by the RJ45 interfaces to the network node；
The 4K panoramic videos data received are uploaded to by the network node in real time according to the plug-flow address of panorama camera
High in the clouds；
The 4K is live switch off when, the communication module disconnects the wired connection between the network node,
Recover the wireless communication connection between App terminals.
Further, the live broadcast system also includes a network node, and the panorama camera is connected by the RJ45 interfaces
The network node, the panorama camera also includes the live switches of 4K；
In the live switch conductions of the 4K, the DSP Processor is pushed away by the RJ45 interfaces to the network node
4K panoramic video data are sent, while pushing 2K panoramic video streams to the App terminals by the WiFi units or bluetooth unit；
The network node according to the panorama camera plug-flow address by the 4K panoramic video data received it is real-time on
Reach high in the clouds；
The 4K is live switch off when, the communication module disconnects the wired connection between the network node.
Further, the App terminals obtain the plug-flow information between the panorama camera and network node in real time.
Further, the concatenation module includes FPGA, the 2K panoramic video plug-flows that the DSP Processor inputs FPGA
To the network node, the App terminals are set up with the network node and communicated to connect, and the 2K is obtained from the network node
Panoramic video.
The live broadcast system of the present invention, includes the App terminals and high in the clouds of panorama camera and the connection panorama camera, described complete
Scape camera includes multiway images sensor, audio processing modules, concatenation module and signal processing module, will by concatenation module
The multiway images data signal of multiway images sensor input and the audio digital signals of audio processing modules input are spliced into 2K
Or 4K panoramic videos, the 2K panoramic videos plug-flow then inputted concatenation module by signal processing module to App terminals carries out
High in the clouds is uploaded to after live preview, or the 4K panoramic videos compression that the concatenation module is inputted, the display in high in the clouds is being connected to
Directly watched in terminal.The live broadcast system of the present invention need not carry out complicated calculating in display terminal, it is not required that match somebody with somebody
Put high performance home server and live Platform Server carry out plug-flow, simplify the framework of live broadcast system, saved cost,
And a variety of occasions can be applied to, improve applicability.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Structure according to these accompanying drawings obtains other accompanying drawings.
Fig. 1 is the structural representation of the embodiment of live broadcast system one of the present invention.
Drawing reference numeral explanation：
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention proposes a kind of live broadcast system.
Reference picture 1, Fig. 1 is the structural representation of the embodiment of live broadcast system one of the present invention.
In the present embodiment, the live broadcast system includes the App terminals of panorama camera 100 and the connection panorama camera 100
200, the panorama camera 100 includes：
Multiway images sensor 10, multiway images data signal is converted to by the image frame that camera lens is picked up；
The audio digital signals of microphone input are encoded, decoding process by audio processing modules 20；
Concatenation module 30, the multiway images data signal and the audio frequency process that the multiway images sensor 10 is inputted
The audio digital signals that module 20 is inputted are spliced into panoramic video；
Signal processing module 40, the panoramic video plug-flow that the concatenation module 30 is inputted to App terminals 200 carries out live
Preview.
In the present embodiment, the live broadcast system includes panorama camera 100 and connects the App terminals 200 of panorama camera 100,
It is main to export 2K the or 4K panoramic videos spliced using panorama camera 100, and by the 2K panoramic videos plug-flow to App terminals
200 carry out live preview, 2K the or 4K panoramic videos are uploaded into high in the clouds 300, for being connected to other displays in high in the clouds 300 eventually
Hold direct viewing.
The panorama camera 100 includes camera body (not shown) and is arranged at the multiway images sensor of camera body
10th, audio processing modules 20, concatenation module 30 and signal processing module 40, the camera body can be using thermoplastic notes
It is moulded into type, it would however also be possible to employ alloy material is made, multiple camera lenses and microphone 60 is additionally provided with the camera body, it is the multiple
Camera lens is uniformly distributed in the horizontal field of view of the panorama camera 100 or the vertical visual field, to capture horizontal direction or vertical direction
360 degree of visual angle, the microphone is uniformly distributed in the camera body and forms an array provided with multiple, and with the camera lens
Rotate together, to realize the voice pickup of all angles.
The multiple imaging sensor 10 uses cmos image sensor, preferably Sensor IMX117, each image sensing
The input of device 10 is all connected with least one camera lens, and each imaging sensor 10 passes through a LVDS interface and the concatenation module 30
Input interface connection, multiway images data signal after the multiway images sensor 10 is changed inputs the concatenation module
30.Concatenation module 30 uses hardware handles processing mode, such as on-site programmable gate array FPGA chip or complex programmable logic
Device CPLD chips, by increasing transmission rate when exporting, export the numeral letter of single channel or default way in same time
Number, software processing mode can also be used in other embodiments, and such as MCU components buffer area receives total data to institute
State after buffer area, by being packed to total data, the data after packing are exported by unique output interface, this implementation
The preferred FPGA31 of concatenation module 30 of example, stitching portion is carried out to the multiway images data signal that multiway images sensor 10 is inputted
Reason, the multiway images data signal that will be also inputted from multiple input interfaces and audio digital signals are by increasing transmission rate
Mode is from an output interface output panoramic video data, then by the panoramic video data-pushing to signal processing module 40
Encoded, compressed and IPS processing.
The input of the audio processing modules 20 connects the microphone 60, output end and connects the concatenation module 30,
The speech simulation signal that microphone 60 is gathered, which is converted to, to be encoded to the audio digital signals after audio digital signals, is pressed
Contracting, and signal decoding is carried out in receiving terminal, and the data signal after decoding is transmitted to spelling by pcm interface or IIS interfaces
Connection module 30, in the present embodiment, the quantity of the microphone 60 is four, and four microphones can form equal with array
The even same plane for being distributed in the camera body, so as to which preferably the voice signal of application scenarios is caught and picked up,
The influence of noise is reduced, the microphone 60 can also set more in other embodiments, arrived with strengthening the pickup of microphone 60
Voice signal intensity, the speech simulation signal picked up is converted to audio digital signals and transmitted to sound by the microphone 60
Frequency processing module 20 is encoded, compressed and decompressed, and the audio processing modules 20 include master codec 21 and connection institute
State master codec 21 from codec 23, the connection two of which of master codec 21 microphone 60 is described from compiling solution
Code device 23 connects two other microphone 60, to being changed through AD converter after the transmission of audio digital signals encoded, pressed
The audio digital signals and are decoded by contracting in receiving terminal, it is described from codec by decoded audio digital signals
Transmit to master codec 21, inputted the audio digital signals after decoding to spelling by pcm interface by master codec 21
The audio digital signals that master codec 21 is inputted are processed into 4 tunnel audio-sources by connection module 30, concatenation module 30 using FPGA31
File, the concatenation module 30 also includes the second memory 33 of a connection FPGA31, and the concatenation module 30 will be described
Audio source file is stored in the second memory 33, is transferred when needed from the second memory 33, is improved sound
The compatibility and security of frequency signal transmission.
The signal processing module 40 is main to be compressed to 2K the or 4K panoramic video data that concatenation module 30 is inputted, compiles
Code or push processing, carry out App terminals 200 it is live when, signal processing module 40 is by the 2K panoramas after being compressed and encoding
Video data plug-flow to App terminals 200 carry out live preview.
In another embodiment, the live broadcast system also includes the high in the clouds 300 of connection panorama camera 100, the splicing mould
The sound that the multiway images data signal and the audio processing modules 20 that block 30 inputs the multiway images sensor 10 are inputted
Frequency data signal is spliced into 2K or 4K panoramic videos, and the signal processing module 40 is by the 4K aphorama frequencies after compression and coding
According to or coding after 2K panoramic video data be uploaded to high in the clouds 300, seen for other display terminals for being connected to high in the clouds 300
See.
The live broadcast system of the present invention need not carry out complicated calculating in display terminal, it is not required that high performance of configuration
Ground server and live Platform Server carry out plug-flow, simplify the framework of live broadcast system, have saved cost, and can apply
In a variety of occasions, applicability is improved.
Further, reference picture 1, the App terminals 200 include：
Parameter setting module 210, plug-flow address and other live parameters to the panorama camera 100 are configured.
In the present embodiment, App terminal users are firstly the need of in smart mobile phone, flat board, PDA (Personal Digital
Assistant, personal digital assistant) etc. download the video pictures live for watching the panorama camera 100 on terminal device
App softwares, the App terminals 200 can set up with the panorama camera 100 and communicate to connect, and the communication connection can lead to
Cross mobile network set up, can also by wireless WiFi set up, can also be set up by wireless blue tooth, the App terminals 200 with
The panorama camera 100 is set up after communication connection, by the pushing away to panorama camera 100 of parameter setting module 210 of App terminals 200
Stream address and other live parameters are configured, and implementation can be in App terminals 200 and the successful connection of panorama camera 100
Afterwards, the parameter setting interface of panorama camera 100, parameter setting interface bag are actively ejected on the display page of App terminals 200
Include plug-flow address and other parameter setting options of panorama camera 100, it is the grasp speed of such as panorama camera, shooting quality, live
The resolution ratio of panoramic video, code check, code stream number, and panorama camera 100 saturation parameters etc., in the App terminals 200
On display interface after accomplishing the setting up, the generation of App terminals 200 control instruction is sent to panorama camera 100 and carries out parameter replacement.
Further, reference picture 1, the panorama camera 100 also includes communication module 50, and the communication module 50 includes
WiFi units 51, bluetooth unit 55 and RJ45 interfaces 53, the panorama camera 100 pass through the WiFi units 51 or bluetooth list
Member 55 receives the control instruction of App terminals 200,2K panoramic video flow datas is transmitted to the App terminals 200, by described
RJ45 interfaces 53 upload 4K panoramic video data to the high in the clouds 300.
In the present embodiment, panorama camera 100 live parameter setting well after, can be sent to panorama camera 100
Communication module 50 is provided with live request instruction, panorama camera 100, the communication module 50 is generally WiFi units 51 or bluetooth list
Member 55, the present embodiment can be directly to high in the clouds push 4K panoramic video data, for panorama camera 100 for panorama camera 100
There is provided and RJ45 interfaces are additionally provided with the power bar that power supply is supported, panorama camera 100 connects a netting twine, the net by the RJ45 interfaces
The other end of line connects a network node, high in the clouds is uploaded to by 4K panoramic videos data described in the network node, another
In embodiment, after App terminals 200 set up wireless communication connection by WiFi or bluetooth with panorama camera 100, panorama camera
100 after the control command of App terminals 200 and live request is received, by the WiFi units 51 or bluetooth unit 55 to
The App terminal transmissions 2K panoramic video flow datas.
Further, reference picture 1, the signal processing module 40 include DSP Processor 41 and with the DSP Processor 41
The first memory 43 of connection, the 4K panoramic videos after 43 pairs of the first memory DSP Processor 41 compresses are deposited
Storage.
In the present embodiment, signal processing module 40 is main enters to 2K the or 4K panoramic video data that concatenation module 30 is inputted
Row coding, compression and IPS processing, and the 4K panoramic video data after processing are stored, the signal processing module 40
Including DSP Processor 41, DSP Processor 41 selection selection AMBA_DSP, core encoder selection VIDEO ENCODE A12, institute
Stating signal processing module 40 also includes first memory 43, and the DSP Processor 41 connects the first memory 43, so as to
41 pairs of the DSP Processor 4K videos source file be compressed and coded treatment after save it in the first memory 43
Interior, the first memory 43 can be DDR, Flash or TF-CARD.
Further, reference picture 1, the signal processing module 40 is additionally operable to：
Judge between the storage of the 4K panoramic videos and the plug-flow of the 2K panoramic videos with the presence or absence of conflict；
If so, pushing the prompting frame comprising the Save option and display option to App terminals 200；
When receiving the idsplay order of the feedback of App terminals 200, the 2K aphoramas frequency is pushed to the App terminals 200
According to.
In the present embodiment, the panorama camera 100 receives what FPGA31 had spliced provided with a special DSP Processor 41
4K panoramic videos data and/or 2K panoramic video data, because the code capacity of DSP Processor 41 is limited, in order to ensure 4K or
The quality of 2K panoramic video data, generally, after to the 4K panoramic videos data and 2K panoramic video data compressions
Stored, but if when the user of App terminals 200 asks live broadcasting, the DSP Processor 41 is in the 4K panoramic videos
There will be the conflict of priority order between the plug-flow of the storage of data and the 2K panoramic videos, now, DSP Processor exists
When the instruction for the live broadcasting that App terminals 200 are sent and the instruction repertorie presence of default wired storage conflict, DSP Processor
41 can push to terminal user by communication module 50, namely WiFi units 51 or bluetooth unit 55 and include the Save option and display
The prompting frame of option, can now show the prompting check box selected for terminal user, such as on the display interface of APP terminals 200
Fruit user selection shows option, namely the preferential display of user's selection, and App terminals 200 are entered to the prompting frame getting user
Idsplay order is generated after capable selection operation and feeds back to DSP Processor 41, DSP Processor 41 is preferential to the 2K aphoramas
Frequency is according to being encoded, the 2K panoramic video data plug-flows after being encoded to App terminals.
Further, reference picture 1, the App terminals 200 also include plug-flow module 220, and the DSP Processor 41 is pushed away
The 2K panoramic videos data plug-flow sent is to the high in the clouds 300.
In the present embodiment, the App terminals also include plug-flow module 220, and the plug-flow module 220 can be by DSP processing
Device 41 pushes the 2K panoramic videos data come by mobile network, and such as 4G networks, 3G network or 5G networks are uploaded to high in the clouds, so as to
It is downloaded for other users for being connected to the high in the clouds, online preview or online the operation such as plays.
Further, reference picture 1, the live broadcast system also includes a network node 400, and the panorama camera 100 passes through institute
State RJ45 interfaces and connect the network node 400, the panorama camera 100 also includes the live switches of 4K；
In the live switch conductions of the 4K, the WiFi units 51 or bluetooth unit 55 are disconnected between App terminals 200
Wireless communication connection, the DSP Processor 41 by the RJ45 interfaces to the network node 400 push 4K panoramic videos
Data；
The network node 400 is real-time by the 4K panoramic video data received according to the plug-flow address of panorama camera 100
It is uploaded to high in the clouds 300；
The 4K is live switch off when, the communication module 50 disconnects wired between the network node 400
Connection, recovers the wireless communication connection between App terminals 200.
In the present embodiment, the panorama camera 100 includes power bar module, is that the panorama camera 100 provides electricity
Support that the electricity specification of the power bar module ensure that the continuous firing 2 of panorama camera 100 is small in more than 5000mAh in source
When, the power bar module includes power supply key, the live switches of 4K, indicator of the power supply status, working station indicator, WiFi
Indicator lamp, RJ45 interfaces, the power bar mould are fast in power supply state, the indicator of the power supply status display green, otherwise not
It has been shown that, shows red, line flicker of going forward side by side during low battery；The panorama camera 100 is in working condition, and the working condition refers to
Show lamp display green, the panorama camera 100 break down or power bar module low battery when, the working condition refers to
Show that lamp display is red；The panorama camera 100 connects a network node 400 by the RJ45 interfaces in power bar module, described
Network node 400 has duplication and forwarding capability, such as router of data flow, and the panoramic video is pushed away to high in the clouds 300
When sending, the plug-flow address of the panorama camera 100 initially set by App terminals 200 is obtained first, and the process can be whole in App
End 200 is by WiFi or bluetooth connection to the panorama camera 100, and the parameter to the panorama camera 100 synchronizes setting,
It can also be configured when the panorama camera 100 connects the network node 400 by RJ45 interfaces 53, in panorama camera
100 by RJ45 interfaces 53 when connecting the network node 400, in addition it is also necessary to tests whether netting twine turns on to determine the panorama
Camera 100 can by netting twine to the network node 400 transmit 4K panoramic video data.Pass through power supply in panorama camera 100
RJ45 interfaces 53 in rod module connect the network node 400, and when opening the live switches of the 4K in the power bar module,
The panorama camera 100 can get the unlatching operation that switch live to the 4K is performed, now, communication module 50 namely WiFi
Unit 51 or bluetooth unit 55 disconnect the wireless communication connection between App terminals 200, and DSP Processor 41 passes through the RJ45
Interface 53 pushes 4K panoramic video data to the network node 400, and the network node 400 can be to the 4K aphoramas of acquisition
The 4K panoramic video data received are uploaded to cloud by frequency according to progress code storage, or plug-flow address described in direct basis
The 4K panoramic videos data are pushed to the network node 400 by end, the panorama camera 100 with RTMP/RTSP forms, then
The secondary pressing live switches of 4K, then directly close the live switches of the 4K, is performed again getting the live switches of the 4K
Secondary pressing operation, namely during shutoff operation, disconnect the wired connection between the network node 400, the communication module 50
Wireless communication connection between App terminals 200 is re-established by WiFi or bluetooth, so that panorama camera 100 continues to institute
State App terminals 200 and push 2K panoramic video data flows.
Further, reference picture 1, the live broadcast system also includes a network node 400, and the panorama camera 100 passes through institute
State RJ45 interfaces and connect the network node 400, the panorama camera 100 also includes the live switches of 4K；
In the live switch conductions of the 4K, the DSP Processor 41 is by the RJ45 interfaces to the network node
400 push 4K panoramic video data, while being pushed by the WiFi units 51 or bluetooth unit 55 to the App terminals 200
2K panoramic video streams；
The network node 400 according to the panorama camera 100 plug-flow address by the 4K panoramic video data received
It is uploaded to high in the clouds 300 in real time；
The 4K is live switch off when, the communication module 50 disconnects wired between the network node 400
Connection.
In the present embodiment, the panorama camera 100 includes a power bar module, is that the panorama camera 100 provides electricity
Support that the electricity specification of the power bar module ensure that the continuous firing 2 of panorama camera 100 is small in more than 5000mAh in source
When, the power bar module includes power supply key, the live switches of 4K, indicator of the power supply status, working station indicator, WiFi
Indicator lamp, RJ45 interfaces 53, the power bar mould are fast in power supply state, the indicator of the power supply status display green, otherwise
Do not it has been shown that, red is shown during low battery, line flicker of going forward side by side；The panorama camera 100 is in working condition, the working condition
Indicator lamp display green, the panorama camera 100 break down or power bar module low battery when, the working condition
Indicator lamp display is red；The panorama camera 100 connects a network node 400 by the RJ45 interfaces 53 in power bar module,
The network node 400 has duplication and forwarding capability, such as router of data flow, and the panoramic video is entered to high in the clouds 300
When row is pushed, the plug-flow address of the panorama camera 100 initially set by App terminals 200 is obtained first, and the process can be
App terminals 200 are by WiFi or bluetooth connection to the panorama camera 100, and the parameter to the panorama camera 100 is configured
When synchronously set, can also be set when the panorama camera 100 connects the network node 400 by RJ45 interfaces 53
Put, when panorama camera 100 connects the network node 400 by RJ45 interfaces 53, in addition it is also necessary to test netting twine whether turn on
Just determine the panorama camera 100 can by the netting twine to the network node 400 transmit 4K panoramic video data.Complete
Scape camera 100 connects the network node 400 by the RJ45 interfaces 53 in power bar module, and opens the power bar module
On 4K live switches when, the panorama camera 100 can get the unlatching operation that switch live to the 4K is performed, now,
DSP Processor 41 pushes 4K panoramic video data by the RJ45 interfaces 53 to the network node 400, while the DSP
Processor 41 also pushes 2K panoramic video flow datas to the App terminals 200, to be uploaded by the 4K panoramic videos data
While high in the clouds 300, live preview can also be realized in App terminals 200, add the feature of panorama camera, the network
Node 400 can carry out code storage to the 4K panoramic videos data of acquisition, or plug-flow address described in direct basis will be received
To 4K panoramic video data be uploaded to high in the clouds 300, the panorama camera 100 is by the 4K panoramic videos data with RTMP/
RTSP forms are pushed to the network node 400, and the live switches of the 4K are pressed again, then directly close that the 4K is live to be opened
Close, getting the pressing operation again that the live switches of the 4K are performed, namely during shutoff operation, disconnect and the network node
Between wired connection, the DSP Processor 41 continue to the App terminals 200 push 2K panoramic video flow datas.
Further, reference picture 1, the App terminals 200 obtain in real time the panorama camera 100 and network node 400 it
Between plug-flow information.
In the present embodiment, the panorama camera 100 is promoting 4K panoramic videos by cable network to network node 400
While data, 2K panoramic video flow datas are pushed to the App terminals 200 by communication, namely in panorama phase
When the transmission of 4K panoramic video streams is carried out between machine 100 and the network node 400, it can realize and pass in the App terminals 200
The monitoring of the plug-flow information such as the dump energy of journey, transmission flow, transmission time and panorama camera 100 is input into, so as to according to described
Plug-flow information responds in time, improves the efficiency and security of panoramic video data plug-flow.
Further, reference picture 1, the concatenation module 30 includes FPGA31, and the DSP Processor 41 inputs FPGA31
2K panoramic videos plug-flow to the network node 400, the App terminals 200 set up communication link with the network node 400
Connect, the 2K panoramic videos are obtained from the network node 400.
In the present embodiment, concatenation module 30 include the image digital signals that inputs to multiway images sensor 10 of FPGA with
The audio digital signals that audio processing modules 20 are inputted carry out physics splicing, by setting default data channel in FPGA31
And the transmission rate of data, 2K or 4K panoramic video data of the output with audio all the way, the panorama camera 100 is by wired
Mode or wireless mode are set up with network node 400 to be communicated to connect, the 2K panoramic video plug-flows for being inputted FPGA by DSP Processor
To the network node 400, the App terminals 200 are communicated to connect by being set up with network node 400, from the network node
400 obtain the 2K panoramic videos, and multiple terminals that the connection network node 400 can be achieved carry out live preview simultaneously.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright specification and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (11)
1. a kind of live broadcast system, it is characterised in that the live broadcast system includes panorama camera and the App of the connection panorama camera is whole
End, the panorama camera includes：
Multiway images sensor, multiway images data signal is converted to by the image frame that camera lens is picked up；
The audio digital signals of microphone input are encoded, decoding process by audio processing modules；
Concatenation module, the multiway images data signal that the multiway images sensor is inputted and the audio processing modules are inputted
Audio digital signals be spliced into panoramic video；
Signal processing module, the panoramic video plug-flow that the concatenation module is inputted to App terminals carries out live preview.
2. live broadcast system according to claim 1, it is characterised in that the live broadcast system also includes connecting the panorama phase
The high in the clouds of machine, the concatenation module exports 2K or 4K panoramic videos, and the signal processing module inputs the concatenation module
The high in the clouds is uploaded to after the compression of 2K or 4K panoramic videos.
3. live broadcast system according to claim 2, it is characterised in that the App terminals include parameter setting module, to institute
The plug-flow address and other live parameters for stating panorama camera are configured.
4. live broadcast system according to claim 3, it is characterised in that the panorama camera also includes communication module, described
Communication module includes WiFi units, bluetooth unit and RJ45 interfaces, and the panorama camera passes through the WiFi units or bluetooth list
Member receives the control instruction of App terminals, to the App terminal transmissions 2K panoramic video flow datas, by the RJ45 interfaces to
The high in the clouds uploads 4K panoramic video data.
5. live broadcast system according to claim 4, it is characterised in that the signal processing module include DSP Processor and
The first memory being connected with the DSP Processor, the first memory is to the 4K aphoramas after DSP Processor compression
Frequency is stored.
6. live broadcast system according to claim 5, it is characterised in that the signal processing module is additionally operable to：
Judge between the storage of the 4K panoramic videos and the plug-flow of the 2K panoramic videos with the presence or absence of conflict；
If so, pushing the prompting frame comprising the Save option and display option to App terminals；
When receiving the idsplay order of App terminals feedback, the 2K panoramic videos data are pushed to the App terminals.
7. live broadcast system according to claim 6, it is characterised in that the App terminals also include plug-flow module, will be described
DSP Processor pushes the next 2K panoramic videos data plug-flow to the high in the clouds.
8. live broadcast system according to claim 5, it is characterised in that the live broadcast system also includes a network node, described
Panorama camera connects the network node by the RJ45 interfaces, and the panorama camera also includes the live switches of 4K；
In the live switch conductions of the 4K, the WiFi units or bluetooth unit disconnect the radio communication between App terminals
Connection, the DSP Processor pushes 4K panoramic video data by the RJ45 interfaces to the network node；
The 4K panoramic video data received are uploaded to high in the clouds by the network node in real time according to the plug-flow address of panorama camera；
The 4K is live switch off when, the communication module disconnects the wired connection between the network node, recovers
With the wireless communication connection between App terminals.
9. live broadcast system according to claim 5, it is characterised in that the live broadcast system also includes a network node, described
Panorama camera connects the network node by the RJ45 interfaces, and the panorama camera also includes the live switches of 4K；
In the live switch conductions of the 4K, the DSP Processor pushes 4K by the RJ45 interfaces to the network node
Panoramic video data, while pushing 2K panoramic video streams to the App terminals by the WiFi units or bluetooth unit；
The 4K panoramic videos data received are uploaded to by the network node in real time according to the plug-flow address of the panorama camera
High in the clouds；
The 4K is live switch off when, the communication module disconnects the wired connection between the network node.
10. live broadcast system according to claim 9, it is characterised in that the App terminals obtain the panorama camera in real time
Plug-flow information between network node.
11. live broadcast system according to claim 8 or claim 9, it is characterised in that the concatenation module includes FPGA, the DSP
The 2K panoramic videos plug-flow that processor inputs FPGA to the network node, the App terminals is set up with the network node
Communication connection, the 2K panoramic videos are obtained from the network node.
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| CN201710239725.XA CN107071499A (en) | 2017-04-13 | 2017-04-13 | Live broadcast system |
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Application publication date: 20170818 |