CN105430344A - P2P remote live broadcast method based on vehicle-mounted mobile network - Google Patents
P2P remote live broadcast method based on vehicle-mounted mobile network Download PDFInfo
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- CN105430344A CN105430344A CN201510872599.2A CN201510872599A CN105430344A CN 105430344 A CN105430344 A CN 105430344A CN 201510872599 A CN201510872599 A CN 201510872599A CN 105430344 A CN105430344 A CN 105430344A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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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
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/239—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests
- H04N21/2393—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests involving handling client requests
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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
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25808—Management of client data
- H04N21/25816—Management of client data involving client authentication
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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
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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]
- H04N21/40—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
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/41407—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
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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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Computer Security & Cryptography (AREA)
- Computer Graphics (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention provides a P2P remote live broadcast method based on a vehicle-mounted mobile network. The P2P remote live broadcast method comprises the following steps that: S1, an automobile data recorder is connected to a cloud platform server; S2, a user smart terminal is connected to the cloud platform server, and transmits an equipment ID number of the automobile data recorder to the cloud platform server; S3, the cloud platform server resolves the equipment ID number transmitted in the step S2, and compares the equipment ID number with an equipment ID number which is pre-registered to the cloud platform server, skipping to a step S4 is performed if a character string which is matched with the equipment ID number exists in a database, and otherwise, skipping to a step S5 is performed; S4, the cloud platform server receives and forwards a request instruction of the user smart terminal; and S5, the cloud platform server interrupts a connection with the user smart terminal. Through adoption of the P2P remote live broadcast method, automobile owners can remotely watch content recorded by the automobile data recorder in real time through the user smart terminal.
Description
Technical field
The present invention relates to a kind of mounted remote live broadcasting method, particularly relate to a kind of P2P remote living broadcast method based on vehicular communication networks.
Background technology
Along with extensively popularizing of vehicle, vehicle safety becomes the problem of people's general concern, and remote real-time monitoring vehicle interior and outside situation have become a kind of inevitable; But do not provide at present and user can be facilitated long-range in real time referring to the effective way of situation video inside and outside vehicle.
Summary of the invention
Technical problem to be solved by this invention is a kind of method needing to provide content can recorded by the long-range real-time viewing drive recorder of user's intelligent terminal, and for numerous car owners provide convenient greatly, availability is strong.
To this, the invention provides a kind of P2P remote living broadcast method based on vehicular communication networks, comprise the following steps:
Step S1, is connected to cloud Platform Server by drive recorder, the device id of drive recorder number is sent to described cloud Platform Server simultaneously, carries out the registration of device id number;
Step S2, user's intelligent terminal is connected to described cloud Platform Server, the device id of the drive recorder of self number is sent to described cloud Platform Server simultaneously;
Step S3, described cloud Platform Server resolves the device id number that described step S2 sends over, and the device id parsed number is compared with the device id number of registration in advance at cloud Platform Server, if there is the character string matched with the device id number of described step S2 in the database of cloud Platform Server, then connect authentication and successfully jump to step S4, otherwise jump to step S5;
Step S4, cloud Platform Server continues to receive the request instruction from user's intelligent terminal, and the request instruction received is transmitted to the drive recorder corresponding to authentication success;
Step S5, cloud Platform Server interrupts the connection between described user's intelligent terminal;
Wherein, in described cloud Platform Server, be provided with database, described drive recorder at first connection to during cloud Platform Server, its device id number being registered and preserving in the database.
Further improvement of the present invention is, described step S4 comprises following sub-step:
Step S401, user's intelligent terminal sends the request instruction of uploaded videos stream;
Step S402, after cloud Platform Server receives the request instruction of described uploaded videos stream, forwards this request instruction to corresponding drive recorder;
Step S403, after drive recorder receives request instruction, starts transmission of video and flow to streaming media server;
Step S404, described streaming media server pushing video flow to described user's intelligent terminal.
Further improvement of the present invention is, in described step S4, after drive recorder receives request instruction, performs request instruction, and in the middle of buffer area video flowing being deposited in drive recorder, notification streams media server simultaneously; Described streaming media server obtains video flowing from the buffer area of drive recorder, and gives described user's intelligent terminal by described pushing video streaming.
Further improvement of the present invention is, in described step S4, video flowing deposits in the buffer area central generation code stream of drive recorder, and notification streams media server; Described streaming media server obtains code stream corresponding to described video flowing from the buffer area of drive recorder, and gives described user's intelligent terminal by described code stream real time propelling movement.
Further improvement of the present invention is, described user's intelligent terminal is provided with user terminal A PP, and described user terminal A PP plays by the player that user terminal A PP is built-in the code stream received in real time.
Further improvement of the present invention is, described video flowing is deposited in the middle of the buffer area of drive recorder, and described drive recorder carries out compression process to the data in video flowing, then the video data after compression is generated code stream.
Further improvement of the present invention is, after described user's intelligent terminal for reception to described code stream, carries out decompression to code stream, and plays in real time the data added after compression process.
Further improvement of the present invention is, described compression process and decompression adopt complementary Processing Algorithm.
Further improvement of the present invention is, in described step S4, the request instruction that described cloud Platform Server receives is transmitted to the drive recorder corresponding to authentication success, and described drive recorder receives and resolves instruction, then performs the operation corresponding to instruction.
Further improvement of the present invention is, described request instruction is resolved by described cloud Platform Server and the predetermined in advance common rule of drive recorder.
Compared with prior art, beneficial effect of the present invention is: in car networked system, mobile network's module of drive recorder provides the SSID of the wireless Internet access with self identification, after drive recorder realizes online by mobile network's module, user's intelligent terminal itself also can realize online; When the video that user's intelligent terminal needs real-time live broadcast drive recorder to record, directly send request instruction to cloud Platform Server, described cloud Platform Server carries out resolving and request instruction being transmitted to drive recorder after receiving request instruction, described drive recorder receives request instruction and performs operation corresponding to this request instruction, now, streaming media server obtains real-time video resource from drive recorder, and by real-time video resource supplying to user's intelligent terminal; Described video resource can make video flowing, also can be code stream; User's intelligent terminal just can play this video resource by built-in player, and then the content that numerous car owners can be recorded by the long-range real-time viewing drive recorder of user's intelligent terminal, is very easy to numerous car owners.
Accompanying drawing explanation
Fig. 1 is the workflow schematic diagram of an embodiment of the present invention;
Fig. 2 is the workflow schematic diagram of the step S4 of an embodiment of the present invention;
Fig. 3 is the interaction diagrams between the cloud Platform Server of an embodiment of the present invention and drive recorder;
Fig. 4 is the work interaction diagrams between the drive recorder of an embodiment of the present invention and streaming media server.
Embodiment
Below in conjunction with accompanying drawing, preferably embodiment of the present invention is described in further detail:
As shown in Figure 1, this example provides a kind of P2P remote living broadcast method based on vehicular communication networks, comprises the following steps:
Step S1, is connected to cloud Platform Server by drive recorder, the device id of drive recorder number is sent to described cloud Platform Server simultaneously, carries out the registration of device id number;
Step S2, user's intelligent terminal is connected to described cloud Platform Server, the device id of the drive recorder of self number is sent to described cloud Platform Server simultaneously;
Step S3, described cloud Platform Server resolves the device id number that described step S2 sends over, and the device id parsed number is compared with the device id number of registration in advance at cloud Platform Server, if there is the character string matched with the device id number of described step S2 in the database of cloud Platform Server, then connect authentication and successfully jump to step S4, otherwise jump to step S5;
Step S4, cloud Platform Server continues to receive the request instruction from user's intelligent terminal, and the request instruction received is transmitted to the drive recorder corresponding to authentication success;
Step S5, cloud Platform Server interrupts the connection between described user's intelligent terminal;
Wherein, in described cloud Platform Server, be provided with database, described drive recorder at first connection to during cloud Platform Server, its device id number being registered and preserving in the database.
In described step S1, the device id of drive recorder number is sent to described cloud Platform Server, and carries out the registration of device id number, the process of this registration, is only operating first; After having there is the registered device id number of drive recorder in described database, this step can have been omitted, and directly connects.
As shown in Figures 2 to 4, this routine described step S4 comprises following sub-step:
Step S401, user's intelligent terminal sends the request instruction of uploaded videos stream;
Step S402, after cloud Platform Server receives the request instruction of described uploaded videos stream, forwards this request instruction to corresponding drive recorder;
Step S403, after drive recorder receives request instruction, start transmission of video and flow to streaming media server, after drive recorder produces video stream data, following process is done to video flowing: the video flowing produced from video collector is deposited in a buffering area, and video stream data is compressed, when the video flowing size in buffering area is greater than some values, during as 65535k, the video flowing now produced is excessive, the efficiency of transmission of video flowing can be had influence on, video image picture card is paused, image quality variation etc., in units of frame, analyzing and processing is carried out to video flowing simultaneously, carry out check and correction to data in video flowing to analyze, vedio data frame is done frame losing process in the scope that change is less, to ensure the continuous of video, smooth, until the size of video flowing buffer area is less than limit value, as 65535K,
Step S404, the size of described video flowing is less than a certain fixed value, and during as 65535K, described streaming media server pushing video flow to described user's intelligent terminal.
Wherein, the interaction diagrams that what Fig. 1 mainly represented is between user's intelligent terminal and cloud Platform Server; Fig. 3 is the interaction diagrams between the cloud Platform Server of this example and drive recorder; Fig. 4 is the work interaction diagrams between the drive recorder of this example and streaming media server.
In this routine described step S4, after drive recorder receives request instruction, perform request instruction, and in the middle of buffer area video flowing being deposited in drive recorder, notification streams media server simultaneously; Described streaming media server obtains video flowing from the buffer area of drive recorder, and gives described user's intelligent terminal by described pushing video streaming.This example does following process to the video flowing depositing in buffer area: the video flowing that described drive recorder produces from video collector is deposited in a buffering area, and the data of video flowing are compressed, carry out the transmission of data when the video flowing size in guarantee buffering area is not more than some limit values; Described limit value can carry out self-defined setting according to the quality of picture transmission, as video flowing size be greater than 65535K time, because the video flowing now produced is excessive, if directly transmission can have influence on the efficiency of transmission of video flowing, video image picture card is paused and image quality variation etc., then described limit value can be set to 65535K.When the video flowing size in buffering area is greater than described limit value, in units of frame, analyzing and processing is carried out to video flowing, namely carry out check and correction to each frame data in video flowing to analyze, each frame data frame of video flowing and previous moment Frame are compared, frame losing process is done to the video stream data of present frame having almost no change or change in less scope, under the continuous and smooth prerequisite ensureing video, make the data of video flowing reach minimum value as far as possible, until the size of video flowing buffer area is less than limit value, as being less than 65535K; Less the referring to of described change can not make the discontinuous Frame of video, and this degree also can set according to the actual conditions of user, has not often caused visual effect discontinuous as criterion.When the size of described video flowing is less than described set point, described streaming media server pushing video flow to described user's intelligent terminal, and just can realize real-time continuous videos transmission, transmission rate is fast and reliable.
As shown in Figure 2, described user's intelligent terminal is preferably provided with user terminal A PP, and described user terminal A PP plays by the player that user terminal A PP is built-in the code stream received in real time.
In this routine described step S4, video flowing deposits in the buffer area central generation code stream of drive recorder, and notification streams media server; Described streaming media server obtains code stream corresponding to described video flowing from the buffer area of drive recorder, and gives described user's intelligent terminal by described code stream real time propelling movement.
Preferably, this routine described video flowing is deposited in the middle of the buffer area of drive recorder, and described drive recorder carries out compression process to the data in video flowing, then the video data after compression is generated code stream; After described user's intelligent terminal for reception to described code stream, decompression is carried out to code stream, and the data added after compression process are play in real time; Described compression process and decompression adopt complementary Processing Algorithm; By the compression to video, when can make transmission code stream more fast and convenient, save flow; Namely the described algorithm of compression process and the algorithm of decompression can adopt existing video compression algorithm and video decompression algorithm, also user-defined video compression algorithm and video decompression algorithm can be adopted, as long as ensure that this video compression algorithm and video decompression algorithm are complementary, make user can only terminal can by video recovery out.
In this routine described step S4, the request instruction that described cloud Platform Server receives is transmitted to the drive recorder corresponding to authentication success, and described drive recorder receives and resolves instruction, then performs the operation corresponding to instruction.Described request instruction is resolved by described cloud Platform Server and the predetermined in advance common rule of drive recorder; Described common rule predetermined in advance can be user-defined rule, also can be the existing rule that cloud Platform Server is given tacit consent to, like this, can meet the individual demand of user, can also meet the privacy requirements of different user simultaneously.
Mutual communication between this example gives based on equipment such as cloud Platform Server, mobile network's module, drive recorder, user's intelligent terminal (user terminal A PP) and streaming media servers realizes a kind of method of the inside and outside situation of long-range Real Time Observation vehicle, described mobile network's module can comprise 3G module or 4G module, this example can dipole its supply user's real time inspection condition of the vehicle easily, will use widely in Shape Of Things To Come net field.
In car networked system, mobile network's module of drive recorder provides the SSID of the wireless Internet access with self identification, and after drive recorder realizes online by mobile network's module, user's intelligent terminal itself also can realize online; When the video that user's intelligent terminal needs real-time live broadcast drive recorder to record, directly send request instruction to cloud Platform Server, described cloud Platform Server carries out resolving and request instruction being transmitted to drive recorder after receiving request instruction, described drive recorder receives request instruction and performs operation corresponding to this request instruction, now, streaming media server obtains real-time video resource from drive recorder, and by real-time video resource supplying to user's intelligent terminal; Described video resource can make video flowing, also can be code stream; User's intelligent terminal just can play this video resource by built-in player, and then the content that numerous car owners can be recorded by the long-range real-time viewing drive recorder of user's intelligent terminal, is very easy to numerous car owners.System framework workflow of the present invention as depicted in figs. 1 and 2.
Concrete, this example can realize the whole course of work in the following manner:
Step 1, drive recorder are connected by mobile network connects to the Net, and connects with cloud Platform Server, the device id of drive recorder number is sent to cloud Platform Server simultaneously.
Step 2, user terminal A PP by network on mobile network's model calling, and connect with cloud Platform Server, the device id number of the drive recorder simultaneously obtained in obtaining step 1, and send device id number to cloud Platform Server.
Step 3, cloud Platform Server resolve the device id number that user terminal A PP sends.
In step 4, cloud Platform Server, erection itself has database, the device id of self number can be registered in the database of cloud Platform Server by drive recorder before the use, the device id number that the character string of the device id parsed number and registration in advance are entered in cloud platform database is compared by cloud Platform Server, if there is this ID character string in database, then connect authentication success, otherwise connection failed authentication, and by the disconnecting of user terminal A PP and cloud Platform Server.
If step 5 connects authentication success, cloud Platform Server continues to receive the request instruction from user terminal A PP, and request instruction is transmitted to drive recorder, and its workflow schematic diagram as depicted in figs. 1 and 2.
Step 6, drive recorder by network on mobile network's model calling, and start service routine, wait for that the client of cloud Platform Server initiates connection request.
The client of step 7, cloud Platform Server initiates connection request to drive recorder, and forward upon establishment of a connection user terminal A PP the request instruction sent out.
Perform instruction after step 8, drive recorder process accepts to request instruction, its workflow diagram as shown in Figure 3.
After step 9, drive recorder receive request instruction, perform request instruction, and the video flowing recorded by drive recorder is deposited in the middle of the buffer area of drive recorder, notification streams media server simultaneously, streaming media server obtains code stream from the buffer area of drive recorder, and code stream is pushed to terminal use APP.
Step 10, user terminal A PP are by the built-in player plays code stream of user terminal A PP background color.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, some simple deduction or replace can also be made, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1., based on a P2P remote living broadcast method for vehicular communication networks, it is characterized in that, comprise the following steps:
Step S1, is connected to cloud Platform Server by drive recorder, the device id of drive recorder number is sent to described cloud Platform Server simultaneously, carries out the registration of device id number;
Step S2, user's intelligent terminal is connected to described cloud Platform Server, the device id of the drive recorder of self number is sent to described cloud Platform Server simultaneously;
Step S3, described cloud Platform Server resolves the device id number that described step S2 sends over, and the device id parsed number is compared with the device id number of registration in advance at cloud Platform Server, if there is the character string matched with the device id number of described step S2 in the database of cloud Platform Server, then connect authentication and successfully jump to step S4, otherwise jump to step S5;
Step S4, cloud Platform Server continues to receive the request instruction from user's intelligent terminal, and the request instruction received is transmitted to the drive recorder corresponding to authentication success;
Step S5, cloud Platform Server interrupts the connection between described user's intelligent terminal;
Wherein, in described cloud Platform Server, be provided with database, described drive recorder at first connection to during cloud Platform Server, its device id number being registered and preserving in the database.
2. the P2P remote living broadcast method based on vehicular communication networks according to claim 1, it is characterized in that, described step S4 comprises following sub-step:
Step S401, user's intelligent terminal sends the request instruction of uploaded videos stream;
Step S402, after cloud Platform Server receives the request instruction of described uploaded videos stream, forwards this request instruction to corresponding drive recorder;
Step S403, after drive recorder receives request instruction, starts transmission of video and flow to streaming media server;
Step S404, described streaming media server pushing video flow to described user's intelligent terminal.
3. the P2P remote living broadcast method based on vehicular communication networks according to claim 2, it is characterized in that, in described step S4, after drive recorder receives request instruction, perform request instruction, and in the middle of buffer area video flowing being deposited in drive recorder, notification streams media server simultaneously; Described streaming media server obtains video flowing from the buffer area of drive recorder, and gives described user's intelligent terminal by described pushing video streaming.
4. the P2P remote living broadcast method based on vehicular communication networks according to claim 2, is characterized in that, in described step S4, video flowing deposits in the buffer area central generation code stream of drive recorder, and notification streams media server; Described streaming media server obtains code stream corresponding to described video flowing from the buffer area of drive recorder, and gives described user's intelligent terminal by described code stream real time propelling movement.
5. the P2P remote living broadcast method based on vehicular communication networks according to claim 4, it is characterized in that, described user's intelligent terminal is provided with user terminal A PP, and described user terminal A PP plays by the player that user terminal A PP is built-in the code stream received in real time.
6. the P2P remote living broadcast method based on vehicular communication networks according to claim 4, it is characterized in that, described video flowing is deposited in the middle of the buffer area of drive recorder, described drive recorder carries out compression process to the data in video flowing, then the video data after compression is generated code stream.
7. the P2P remote living broadcast method based on vehicular communication networks according to claim 6, is characterized in that, after described user's intelligent terminal for reception to described code stream, carries out decompression to code stream, and plays in real time the data added after compression process.
8. the P2P remote living broadcast method based on vehicular communication networks according to claim 7, is characterized in that, described compression process and decompression adopt complementary Processing Algorithm.
9. the P2P remote living broadcast method based on vehicular communication networks according to claim 1 to 8 any one, it is characterized in that, in described step S4, the request instruction that described cloud Platform Server receives is transmitted to the drive recorder corresponding to authentication success, described drive recorder receives and resolves instruction, then performs the operation corresponding to instruction.
10. the P2P remote living broadcast method based on vehicular communication networks according to claim 9, is characterized in that, described request instruction is resolved by described cloud Platform Server and the predetermined in advance common rule of drive recorder.
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| CN106101781A (en) * | 2016-06-30 | 2016-11-09 | 湖南纽思曼导航定位科技有限公司 | A kind of Vehicular video live broadcast system based on RTMP and method |
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| CN106161471A (en) * | 2016-08-31 | 2016-11-23 | 广州华工信息软件有限公司 | A kind of intelligent travelling crane record system and live broadcasting method |
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| WO2018000634A1 (en) * | 2016-06-27 | 2018-01-04 | 乐视控股（北京）有限公司 | Video broadcasting method, device, equipment and system |
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