CN104270604A - Method, system and device for obtaining real-time video data of IPC - Google Patents
- ️Wed Jan 07 2015
CN104270604A - Method, system and device for obtaining real-time video data of IPC - Google Patents
Method, system and device for obtaining real-time video data of IPC Download PDFInfo
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- CN104270604A CN104270604A CN201410477552.1A CN201410477552A CN104270604A CN 104270604 A CN104270604 A CN 104270604A CN 201410477552 A CN201410477552 A CN 201410477552A CN 104270604 A CN104270604 A CN 104270604A Authority
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Abstract
The invention provides a method, system and device for obtaining real-time video data of an IPC. The method includes the steps of receiving a real-time video data request from a client side, wherein the real-time video data request contains a network video recorder (NVR) parameter and identification of an NVR channel; logging into a corresponding NVR through the NVR parameter, requiring an IPC parameter configured for the NVR channel of the NVR, receiving the IPC parameter fed back by the NVR and configured for the NVR channel, logging into the corresponding IPC through the IPC parameter configured for the NVR channel, obtaining the real-time video data from the IPC, and forwarding the obtained real-time video data to the client side. By means of the method, system and device, the problem that due to the insufficient forwarding capacity of the NVR, the real-time video data can not be normally forwarded can be solved, and the problems that due to secondary forwarding, reliability is low, time-delay performance is high, and network jitter is large can be solved.
Description
Technical field
The present invention relates to technical field of video monitoring, particularly relate to the method, system and device of the real time video data obtaining web camera (IPC, IP Camera).
Background technology
In technical field of video monitoring, network hard disk video recorder (NVR, Network Video Recorder) topmost function is real time video data by network reception IPC device transmission, and carries out storing, managing, thus realize the distributed structure/architecture advantage that networking brings.Because its major function carries out this locality on NVR to store, NVR is subject to a definite limitation of hardware performance from the ability that the real time video data that IPC gathers is forwarded to client (recipient of video request), the therefore following shortcoming of its ubiquity:
1, the transfer capability of NVR is not enough; When multiple client-requested NVR forwards the real time video data of IPC, can not meet and forward to multiple client simultaneously.
2, client asks digital video bit stream by NVR, be that NVR first gathers real time video data from IPC, then NVR is sent to client the real time video data got again, forwards because this process exists secondary, easily occur that reliability is low, time delay is large, and the problem such as network jitter is large.
Summary of the invention
The invention provides a kind of method obtaining the real time video data of IPC, the problem that normally cannot forward real time video data that the transfer capability deficiency that can solve NVR causes, and can solve that secondary forwards that the reliability brought is low, time delay is large, and the problem such as network jitter is large.
Present invention also offers a kind of system and the streaming media server that obtain the real time video data of IPC, and to the NVR of streaming media server feedback IPC parameter and the IPC to streaming media server feedback real time video data, the problem that normally cannot forward real time video data that the transfer capability deficiency that can solve NVR causes, and can solve that secondary forwards that the reliability brought is low, time delay is large, and the problem such as network jitter is large.
Technical scheme of the present invention is achieved in that
Obtain a method for the real time video data of IPC, comprising:
Receive the real time video data request from client, described real time video data request comprises the mark of the passage of NVR parameter and NVR;
Described NVR parameter is adopted to log in corresponding NVR, to the IPC parameter that described NVR asks the passage of described NVR to configure, the IPC parameter that the passage receiving the described NVR of NVR feedback configures;
The IPC parameter adopting the passage of described NVR to configure logs in corresponding IPC, obtains real time video data, and the real time video data of acquisition is forwarded to client from described IPC.
For obtaining a system for the real time video data of IPC, comprising:
Streaming media server, for receiving the real time video data request from client, described real time video data request comprises the mark of the passage of NVR parameter and NVR; Described NVR parameter is adopted to log in corresponding NVR, to the IPC parameter that described NVR asks the passage of described NVR to configure, the IPC parameter that the passage receiving the described NVR of NVR feedback configures; The IPC parameter adopting the passage of described NVR to configure logs in corresponding IPC, obtains real time video data, and the real time video data of acquisition is forwarded to client from described IPC;
NVR, for the request according to streaming media server, the IPC parameter that the passage to streaming media server feedback NVR configures;
IPC, for the request according to streaming media server, to streaming media server feedback real time video data.
For obtaining a streaming media server for the real time video data of IPC, comprising:
Video request receiver module, for receiving the real time video data request from client, described real time video data request comprises the mark of the passage of NVR parameter and NVR;
IPC parameter acquisition module, for adopting described NVR parameter to log in corresponding NVR, to the IPC parameter that described NVR asks the passage of described NVR to configure, the IPC parameter that the passage receiving the described NVR of NVR feedback configures;
Video data acquisition module, the IPC parameter configured for adopting the passage of described NVR logs in corresponding IPC, obtains real time video data, and the real time video data of acquisition is forwarded to client from described IPC.
To a NVR for streaming media server feedback IPC parameter, it is characterized in that, comprising:
IPC parameter feedback module, for receiving the request of the IPC parameter configured for the passage of NVR from streaming media server, the IPC parameter that the passage feeding back described NVR to described streaming media server configures.
To an IPC for streaming media server feedback real time video data, it is characterized in that, described IPC comprises:
Real time video data feedback module, for the request according to streaming media server, to the real time video data that streaming media server feedback is corresponding.
Visible, the method of the real time video data of the acquisition IPC that the present invention proposes, system and relevant apparatus, obtained the parameter information of IPC corresponding to the NVR passage of client-requested from NVR by streaming media server, adopt the connection between the foundation of this IPC parameter information with IPC, and adopt this connection directly to obtain real time video data from IPC, avoid and distribute real time video data by NVR, thus the problem that normally cannot forward real time video data that the transfer capability deficiency solving NVR causes, and solving secondary, to forward the reliability brought low, time delay is large, and the problem such as network jitter is large.
Accompanying drawing explanation
The system configuration schematic diagram that Fig. 1 applies for the present invention;
Fig. 2 is the method realization flow figure of the real time video data of the acquisition IPC that the present invention proposes;
Fig. 3 is the realization flow figure of the embodiment of the present invention one;
Fig. 4 is the system configuration schematic diagram of the real time video data for obtaining IPC that the present invention proposes;
Fig. 5 is the streaming media server structural representation of the real time video data for obtaining IPC that the present invention proposes;
Fig. 6 is the NVR structural representation to streaming media server feedback IPC parameter that the present invention proposes;
Fig. 7 is the IPC structural representation to streaming media server feedback real time video data that the present invention proposes.
Embodiment
The present invention proposes a kind of method obtaining the real time video data of IPC, the system configuration schematic diagram that Fig. 1 applies for the present invention.As shown in Figure 1, streaming media server and IPC connect (in figure, dotted line represents), obtain real time video data, and the real time video data of acquisition is forwarded to client from IPC.
As the method realization flow figure that Fig. 2 is the real time video data of the acquisition IPC that the present invention proposes, comprising:
Step 201: receive the real time video data request from client, described real time video data request comprises the mark of the passage of network hard disk video recorder NVR parameter and NVR;
Step 202: adopt described NVR parameter to log in corresponding NVR, to the IPC parameter that described NVR asks the passage of described NVR to configure, the IPC parameter that the passage receiving the described NVR of NVR feedback configures;
Step 203: the IPC parameter adopting the passage of described NVR to configure logs in corresponding IPC, obtains real time video data from described IPC, and the real time video data of acquisition is forwarded to client.
The executive agent of said method can be streaming media server.
In above-mentioned steps 201, NVR parameter can comprise: the IP address of NVR, the port numbers of NVR, user name or password.
In above-mentioned steps 202, the mode adopting NVR parameter to log in corresponding NVR can be: streaming media server adopts NVR parameter request to log in corresponding NVR, NVR carries out certification to described streaming media server, after authentication success, by the message feedback that logins successfully to streaming media server.
In above-mentioned steps 202, after the NVR adopting the login of NVR parameter corresponding, and before the IPC parameter of asking the passage of NVR to configure to NVR, may further include: the NVR to correspondence asks the connection status of the passage of this NVR, when the connection status receiving NVR feedback is for connecting, continue the step performing the IPC parameter of asking the passage of NVR to configure to NVR.
In above-mentioned steps 202, the IPC parameter that the passage of NVR configures can comprise: the Vendor-Type of the IP address of IPC, the port numbers of IPC, IPC, user name or password.
In above-mentioned steps 203, the mode that the IPC parameter adopting the passage of NVR to configure logs in corresponding IPC can be: streaming media server selects corresponding producer's agreement according to the Vendor-Type of IPC, use this producer's agreement and adopt this IPC parameter request to log in corresponding IPC, IPC carries out certification to described streaming media server, after authentication success, by the message feedback that logins successfully to streaming media server.
In above-mentioned steps 203, after the IPC parameter adopting the passage of NVR to configure logs in corresponding IPC, and before obtaining real time video data from this IPC, may further include: use the connection logged in IPC Requests routing ability load information, judge whether the distribution capability load information that IPC feeds back meets the condition preset, if met, then continue to perform the described step obtaining real time video data from this IPC.
Below lift specific embodiment to introduce in detail.
Embodiment one:
The present embodiment is introduced streaming media server and is directly obtained real time video data from the IPC of NVR passage 1 correspondence, and real time video data is transmitted to a kind of embodiment of client.As the realization flow figure that Fig. 3 is the present embodiment.
Before the request receiving client, NVR equipment manually configures or automatic network-building function in advance, add IPC equipment in local area network (LAN) on passage corresponding to NVR, the IPC parameter that NVR can configure according to passage carries out the certification based on RTSP agreement, if authentication success, then by the status modifier of NVR respective channel for connect.
As shown in Figure 3, the present embodiment comprises the following steps:
Step 301: client connects to the real time video data of the passage 1 of streaming media server request NVR by TCP:, carry NVR parameter in this request message, comprise the IP address of NVR, the port numbers of NVR, user name and password etc.
Step 302: it is after NVR type that streaming media server judges goes out this request type, according to the NVR parameter in request message and by based on remote procedure call protocol (the Remote Procedure Call Protoco on Transmission Control Protocol, RPC) carry out alternately with NVR, purview certification is carried out by NVR convection media server, after authentication success, to streaming media server feedback login success message.
By this step, streaming media server Successful login NVR.Owing to having carried out purview certification operation in this step, therefore subsequently through this TCP connect mutual without the need to again carrying out authorization check.
Step 303: streaming media server is to the connection status of NVR acquisition request passage 1, and NVR replys the connection status of passage 1 for connect.
The connection status of passage 1, for connect, represents that the parameter information of the IPC that NVR passage 1 configures is correctly available, continues to perform step 304.
Step 304: streaming media server is connected and to be asked to NVR by original TCP set up that logs in and to obtain the IPC parameter of the passage 1 of NVR, comprises the IP address of IPC, the port numbers of IPC, the parameter information such as Vendor-Type, username and password of IPC.
Step 305: streaming media server is resolved the IPC parameter that returns and done format manipulation, the Vendor-Type according to IPC selects corresponding producer's agreement; Use producer's agreement of this correspondence and by IPC equipment corresponding to the IP address of IPC, the port numbers of IPC, username and password connected reference, this IPC convection media server carries out certification, after authentication success, to streaming media server feedback authentication success message.
By this step, the streaming media server Successful login IPC corresponding to passage 1 of NVR.
Step 306: streaming media server uses the TCP logged in connect the IPC Requests routing ability load information corresponding to passage 1 to NVR, and IPC replys distribution capability load information.When the distribution capability load of IPC meets the condition continuing request video data (distribution capability load is no more than the maximum number of connections restriction that producer specify), continuation execution step 307.
Step 307: streaming media server walks around NVR, asks real time video data directly to listed IPC; IPC feeds back real time video data to streaming media server, and this real time video data is forwarded to client by streaming media server.
In addition, if the connection status of NVR respective channel 1 is not for connect or Streaming Media login failure (network is unreachable or password is wrong), then streaming media server connects to this NVR request real time video data with the TCP logging in NVR again, and streaming media server is forwarded to client again.(because the ipc message that NVR upper channel is corresponding is configurable, when user operation client does not know whether NVR passage has joined IPC, or during the IPC parameters for authentication mistake of NVR respective channel, there will be this passage connection state of NVR is not connect or Streaming Media logs in the situation of failure)
Be described above method and the specific embodiment of the real time video data obtaining IPC, the present invention also proposes a kind of system of the real time video data for obtaining IPC, if Fig. 4 is the structural representation of this system, comprising:
Streaming media server 401, for receiving the real time video data request from client, described real time video data request comprises the mark of the passage of NVR parameter and NVR; Described NVR parameter is adopted to log in corresponding NVR, to the IPC parameter that described NVR asks the passage of described NVR to configure, the IPC parameter that the passage receiving the described NVR of NVR feedback configures; The IPC parameter adopting the passage of described NVR to configure logs in corresponding IPC, obtains real time video data, and the real time video data of acquisition is forwarded to client from described IPC;
NVR 402, for the request according to streaming media server 401, the IPC parameter that the passage feeding back NVR to streaming media server 401 configures;
IPC 403, for the request according to streaming media server 401, feeds back real time video data to streaming media server 401.
The present invention also proposes a kind of streaming media server of the real time video data for obtaining IPC, if Fig. 5 is the structural representation of this streaming media server, comprising:
Video request receiver module 501, for receiving the real time video data request from client, described real time video data request comprises the mark of the passage of NVR parameter and NVR;
IPC parameter acquisition module 502, for adopting described NVR parameter to log in corresponding NVR, to the IPC parameter that described NVR asks the passage of described NVR to configure, the IPC parameter that the passage receiving the described NVR of NVR feedback configures;
Video data acquisition module 503, the IPC parameter configured for adopting the passage of described NVR logs in corresponding IPC, obtains real time video data, and the real time video data of acquisition is forwarded to client from described IPC.
Above-mentioned IP C parameter acquisition module 502 can also be used for, after the NVR adopting the login of NVR parameter corresponding, the connection status of the passage of described NVR is asked further to the NVR of described correspondence, when the connection status receiving NVR feedback is for connecting, to the IPC parameter that NVR asks the passage of NVR to configure.
In above-mentioned streaming media server, the IPC parameter that the passage of NVR configures can comprise: the Vendor-Type of the IP address of IPC, the port numbers of IPC, IPC, user name or password.
The mode that the IPC parameter that above-mentioned video data acquisition module 503 adopts the passage of NVR to configure logs in corresponding IPC can be: the Vendor-Type according to IPC selects corresponding producer's agreement, uses described producer agreement and adopts described IPC parameter request to log in corresponding IPC.
Above-mentioned video data acquisition module 503 can also be used for, after the IPC parameter adopting the passage of NVR to configure logs in corresponding IPC, the connection that further use logs in is to IPC Requests routing ability load information, judge whether the distribution capability load information that IPC feeds back meets the condition preset, if met, then obtain real time video data from this IPC.
The present invention also proposes a kind of NVR to streaming media server feedback IPC parameter, if Fig. 6 is the structural representation of this NVR, comprising:
IPC parameter feedback module 601, for receiving the request of the IPC parameter configured for the passage of NVR from streaming media server, the IPC parameter that the passage feeding back described NVR to described streaming media server configures.
Above-mentioned NVR can also comprise:
Authentication module 602, for receiving the logging request from streaming media server, carries out certification to described streaming media server, after authentication success, feeds back the message logined successfully to streaming media server.
Connection status feedback module 603, for the request according to streaming media server, to the connection status of the passage of streaming media server feedback NVR.
The present invention also proposes a kind of IPC to streaming media server feedback real time video data, if Fig. 7 is the structural representation of this IPC.Comprise:
Real time video data feedback module 701, for the request according to streaming media server, to the real time video data that streaming media server feedback is corresponding.
Can also comprise:
Authentication module 702, for receiving the logging request from streaming media server, carries out certification to described streaming media server, after authentication success, feeds back the message logined successfully to streaming media server.
Load information feedback module 703, for the request according to streaming media server, to the distribution capability load information of streaming media server feedback IPC.
As fully visible, the method of real time video data of the acquisition IPC that the present invention proposes, system and relevant apparatus, NVR asks scheme from video data to IPC is walked around when providing a kind of client-access NVR real time video data, solve NVR distribution capability poor, it is large that secondary forwards low, the time delay of reliability, and the problem such as network jitter is large.Facility information due to NVR upper channel is modifiable, and streaming media server only needs management NVR can walk around the real time video data that NVR has access to IPC by automatic adaptation, and without the need to manually adding each IPC equipment on streaming media server; Time special when NVR access amount is large, alleviate the workload of artificial preparation greatly, the problem of the preview video failure caused because of NVR distribution capability difference after simultaneously avoiding NVR incoming stream media server as much as possible.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (19)
1. obtain a method for the real time video data of web camera IPC, it is characterized in that, described method comprises:
Receive the real time video data request from client, described real time video data request comprises the mark of the passage of network hard disk video recorder NVR parameter and NVR;
Described NVR parameter is adopted to log in corresponding NVR, to the IPC parameter that described NVR asks the passage of described NVR to configure, the IPC parameter that the passage receiving the described NVR of NVR feedback configures;
The IPC parameter adopting the passage of described NVR to configure logs in corresponding IPC, obtains real time video data, and the real time video data of acquisition is forwarded to client from described IPC.
2. method according to claim 1, is characterized in that, described NVR parameter comprises: the IP address of NVR, the port numbers of NVR, user name or password.
3. method according to claim 1 and 2, is characterized in that, the mode that described employing NVR parameter logs in corresponding NVR is:
Streaming media server adopts NVR parameter request to log in corresponding NVR, and NVR carries out certification to described streaming media server, after authentication success, by the message feedback that logins successfully to streaming media server.
4. method according to claim 1 and 2, is characterized in that, after described employing NVR parameter logs in corresponding NVR, and before the IPC parameter of asking the passage of NVR to configure to NVR, comprises further:
NVR to described correspondence asks the connection status of the passage of described NVR, when the connection status receiving NVR feedback is for connecting, continues to perform the step of described IPC parameter of asking the passage of NVR to configure to NVR.
5. method according to claim 1 and 2, is characterized in that, the IPC parameter that the passage of described NVR configures comprises: the Vendor-Type of the IP address of IPC, the port numbers of IPC, IPC, user name or password.
6. method according to claim 5, is characterized in that, the mode of the IPC that the described IPC parameter login adopting the passage of NVR to configure is corresponding is:
Streaming media server selects corresponding producer's agreement according to the Vendor-Type of described IPC, use described producer agreement and adopt described IPC parameter request to log in corresponding IPC, IPC carries out certification to described streaming media server, after authentication success, by the message feedback that logins successfully to streaming media server.
7. method according to claim 1, is characterized in that, after the IPC that the described IPC parameter login adopting the passage of NVR to configure is corresponding, and before obtaining real time video data from this IPC, comprises further:
Use the connection logged in IPC Requests routing ability load information, judge whether the distribution capability load information that IPC feeds back meets the condition preset, if met, then continue to perform the described step obtaining real time video data from this IPC.
8. for obtaining a system for the real time video data of web camera IPC, it is characterized in that, described system comprises:
Streaming media server, for receiving the real time video data request from client, described real time video data request comprises the mark of the passage of network hard disk video recorder NVR parameter and NVR; Described NVR parameter is adopted to log in corresponding NVR, to the IPC parameter that described NVR asks the passage of described NVR to configure, the IPC parameter that the passage receiving the described NVR of NVR feedback configures; The IPC parameter adopting the passage of described NVR to configure logs in corresponding IPC, obtains real time video data, and the real time video data of acquisition is forwarded to client from described IPC;
NVR, for the request according to streaming media server, the IPC parameter that the passage to streaming media server feedback NVR configures;
IPC, for the request according to streaming media server, to streaming media server feedback real time video data.
9. for obtaining a streaming media server for the real time video data of web camera IPC, it is characterized in that, described streaming media server comprises:
Video request receiver module, for receiving the real time video data request from client, described real time video data request comprises the mark of the passage of network hard disk video recorder NVR parameter and NVR;
IPC parameter acquisition module, for adopting described NVR parameter to log in corresponding NVR, to the IPC parameter that described NVR asks the passage of described NVR to configure, the IPC parameter that the passage receiving the described NVR of NVR feedback configures;
Video data acquisition module, the IPC parameter configured for adopting the passage of described NVR logs in corresponding IPC, obtains real time video data, and the real time video data of acquisition is forwarded to client from described IPC.
10. streaming media server according to claim 9, it is characterized in that, described IPC parameter acquisition module also for, after the NVR adopting the login of NVR parameter corresponding, the connection status of the passage of described NVR is asked further to the NVR of described correspondence, when the connection status receiving NVR feedback is for connecting, to the IPC parameter that NVR asks the passage of NVR to configure.
11. streaming media servers according to claim 9 or 10, it is characterized in that, the IPC parameter that the passage of described NVR configures comprises: the Vendor-Type of the IP address of IPC, the port numbers of IPC, IPC, user name or password.
12. streaming media servers according to claim 11, is characterized in that, the mode that the IPC parameter that described video data acquisition module adopts the passage of NVR to configure logs in corresponding IPC is:
Vendor-Type according to described IPC selects corresponding producer's agreement, uses described producer agreement and adopts described IPC parameter request to log in corresponding IPC.
13. streaming media servers according to claim 9, it is characterized in that, described video data acquisition module also for, after the IPC parameter adopting the passage of NVR to configure logs in corresponding IPC, the connection that further use logs in is to IPC Requests routing ability load information, judge whether the distribution capability load information that IPC feeds back meets the condition preset, if met, then obtains real time video data from this IPC.
14. 1 kinds of network hard disk video recorder NVR to streaming media server feedback network video camera IPC parameter, it is characterized in that, described NVR comprises:
IPC parameter feedback module, for receiving the request of the IPC parameter configured for the passage of NVR from streaming media server, the IPC parameter that the passage feeding back described NVR to described streaming media server configures.
15. NVR according to claim 14, is characterized in that, described NVR also comprises:
Authentication module, for receiving the logging request from streaming media server, carries out certification to described streaming media server, after authentication success, feeds back the message logined successfully to streaming media server.
16. NVR according to claims 14 or 15, it is characterized in that, described NVR also comprises:
Connection status feedback module, for the request according to streaming media server, to the connection status of the passage of streaming media server feedback NVR.
17. 1 kinds of web camera IPC to streaming media server feedback real time video data, it is characterized in that, described IPC comprises:
Real time video data feedback module, for the request according to streaming media server, to the real time video data that streaming media server feedback is corresponding.
18. IPC according to claim 17, is characterized in that, described IPC also comprises:
Authentication module, for receiving the logging request from streaming media server, carries out certification to described streaming media server, after authentication success, feeds back the message logined successfully to streaming media server.
19. IPC according to claim 17 or 18, it is characterized in that, described IPC also comprises:
Load information feedback module, for the request according to streaming media server, to the distribution capability load information of streaming media server feedback IPC.
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| CN111327872A (en) * | 2018-12-17 | 2020-06-23 | 浙江宇视科技有限公司 | One-to-many access networking code stream distribution method and system |
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