CN101335878B - Remote video monitoring method - Google Patents
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- CN101335878B CN101335878B CN2007101094839A CN200710109483A CN101335878B CN 101335878 B CN101335878 B CN 101335878B CN 2007101094839 A CN2007101094839 A CN 2007101094839A CN 200710109483 A CN200710109483 A CN 200710109483A CN 101335878 B CN101335878 B CN 101335878B
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Abstract
A remote video monitoring method, applied in communication terminals supporting3G-324M protocol sets, is characterized in that after one communication terminal initiates a VT call to the other communication terminal and establishes a circuit switching data chain between both sides, the communication terminal as the monitored side sets the video reception capability concentrated with the local terminal capability as empty according to H.245 protocol, so that the video data is only transmitted in one-way by the communication terminal taking the monitored direction as the monitoring side. Based on the existing visible telephone service based on 3G-324M protocol set, the invention collection sets the audio and video reception capability concentrated with the local terminal capability as empty according to H.245 protocol, so that the monitoring side does not transmit audio and video data, and only receives the video data transmitted by the monitored side, thereby saving communication resource and reducing the terminal cost of the monitored side.
Description
Technical field
The present invention relates to a kind of remote video controlling method.
Background technology
The application that video monitoring combines with modern communication technology as a kind of conventional video technology has caused increasing concern at present at home and abroad, and is widely used in fields such as finance, public security, traffic.Video monitoring system the earliest is the video monitoring system of full simulation, also claims closed-circuit TV monitoring system.Image information is by vision cable, transfers to monitor in the mode of analogue data from rig camera, and general transmission range can not be too far away, the monitoring in being mainly used among a small circle, and monitoring image generally can only be checked in control centre.Development along with digital technology, digital video monitor system occurred since the mid-90 in 20th century, digital video monitor system substitutes original analog video equipment with numerically controlled video equipment, substitute original analog vtr with digital hard disc video recorder, original tape storage pattern is transformed into the stored digital video recording, produced digital video monitoring system on this basis, can be based on PC (Personal Computer, PC) or embedded device constitute supervisory control system, and carry out multimedia administration.This type systematic is the main flow in present video monitoring market.
Along with popularizing of wired broadband network, video monitoring develops to remote monitoring from local monitor gradually, and having occurred is the telecommunication network video monitoring system of representative with the network video server.Network video server has solved the transmission problem of video flowing on network, begins promptly to carry out digitized processing and transmission from IMAQ, and making like this selection diversity more of transmission line so long as network where, just can provide the image transmission.
As from the foregoing, be that analog video supervisory control system or digital monitor system all need to have spider lines between rig camera and the monitor and be connected, for the zone that is not easy to be equipped with spider lines, or move on a large scale be monitored object and all can't use.In recent years, along with the development of third generation mobile technology (3G), there has not been the technology barrier that can't overcome in video data by the real-time Transmission of mobile communication network.Therefore, 3GPP (3rd Generation Partnership Project, third generation partner program) has proposed the mobile video telephone solution based on the circuit domain transmission: the 3G-324M protocol suite.
H.324M the 3G-324M protocol suite comprises agreement, H.223 multiplex protocol, H.245 session control protocol, video encoding agreement etc.Wherein, H.245 session control protocol message is transmitted by control channel, in order to finish session control processes such as VT (Visual Telephone, video telephone) principal and subordinate's decision, capabilities exchange, logic channel management, compound list item management.
As shown in Figure 1, the visual telephone service flow process based on the 3G-324M protocol suite comprises following steps (is example with the called terminal processes flow process):
After 101:MSC (Mobile Switching Center, mobile switching centre) receives the VT call message of calling terminal initiation, initiate beep-page message to terminal called;
102: after terminal called received above-mentioned beep-page message, Signalling exchange was carried out in the request of initiation, CSD (Circuit Switched Data, the circuit switched data) link between foundation and the calling terminal;
103: after terminal called receives the CSD link establishment success message of MSC transmission, start the VT application module;
The ring of 104:VT application module; MMI (Man Machine Interface, man-machine interface) shows incoming information;
105: the user selects to answer this VT and calls out, and the VT application module is answered this VT by AT command interface notice wave point and called out, and starts the 3G-324M protocol stack, carries out visual telephone service according to session control process H.245 and consults;
This VT calls out or selection is answered (being the rollback voice) by the voice mode if user's refusal is answered, and then VT application module notice wave point discharges the 3G-324M protocol stack, and this flow process finishes.
106: terminal called is according to the terminal capability that comprises in the visual telephone service negotiation result, logical channel parameter and media parameter information configuration camera, microphone and loudspeaker apparatus, open coder/decoder and video, audio logical channel, enter the video call state;
107: after the called subscriber presses on-hook key or terminal called and receives the on-hook message of calling terminal, stop/unloading the 3G-324M protocol stack, the CSD link is removed in the on-hook of notice wave point; MMI points out end of conversation, information such as display session duration.
As from the foregoing and since adopt the 3G-324M protocol suite can realize between the portable terminal or portable terminal and other video terminals between carry out the information interaction of Voice ﹠ Video, therefore also can be used for the bidirectional remote video monitoring.
But there are the following problems to adopt visual telephone service based on the 3G-324M protocol suite to carry out monitoring remote video:
One, because the visual telephone video data are transmitted in both directions, wasted a large amount of communication resources, the software and hardware as the portable terminal of the side of being monitored has been had relatively high expectations; In addition, in some cases, monitoring side does not wish that monitored side obtains the video data of local terminal, can't use visual telephone service to carry out monitoring remote video in this case yet;
Two, the callee of visual telephone service need manually answer VT and calls out and could normally carry out monitoring remote video;
Three, visual telephone service has taken the part bandwidth and resource is carried out the transmission of voice data, is not needing voice data to carry out having caused waste under the situation of monitoring remote video.
Summary of the invention
Technical problem to be solved by this invention is, overcomes the deficiencies in the prior art, and it is lower to propose a kind of cost, saves the remote video controlling method based on the 3G-324M protocol suite of communication resources.
In order to address the above problem, the invention provides a kind of remote video controlling method, be applied to support the communicating terminal of 3G-324M protocol suite, it is characterized in that, initiating VT when described square tube news terminal to the opposing party's communicating terminal calls out, and after setting up the circuit switched data link between the both sides, be empty according to agreement H.245 with the video reception capabilities setting in the local terminal capability set as monitored side's described communicating terminal, with the realization video data only by the described communicating terminal one-way transmission of monitored direction as monitoring side.
In addition, after setting up the circuit switched data link between monitoring side and the monitored side, this method comprises following steps:
A: monitored side judges current application mode, if the remote monitoring pattern is then carried out next step;
B: monitored root certificate H.245 agreement is empty with the video reception capabilities setting in the local terminal capability set;
C: monitored side and monitoring side comprise the visual telephone service of capabilities exchange procedure and consult;
D: monitored side and monitoring root carry out software and hardware configuration according to the visual telephone service negotiation result, enter the remote monitoring communication state.
In addition, when monitored side is the callee of described VT calling, also comprise following steps: A ' between described steps A and the B: monitored root is answered described VT according to the mode of answering of appointment in the terminal parameter and is called out.
In addition, also comprise following steps between described steps A and the C: monitored root is sky or non-NULL according to the local terminal capability set parameter of appointment in the terminal parameter with the reception of the audio frequency in described local terminal capability set capabilities setting.
In addition, also comprise following steps before the described step C: monitoring root certificate H.245 agreement is sky or non-NULL with the reception of the audio frequency in local terminal capability set capabilities setting.
In addition, the described mode of answering comprises auto-pickup and manually answers.
In addition, also comprised following steps before described steps A: described monitored side user is provided with described terminal parameter by MMI.
In addition, described terminal parameter also comprises the application model parameter, and being used to indicate the application model of current terminal is remote monitoring pattern or videophone mode.
In addition, visual telephone service is consulted to comprise and is comprised according to agreement H.245 and carry out principal and subordinate's decision, capabilities exchange, logic channel management, the management of compound list item.
In addition, described software and hardware configuration comprises: configuration camera, microphone and loud speaker, open coder/decoder and video, audio logical channel.
As from the foregoing, on the basis of existing visual telephone service based on the 3G-324M protocol suite, the present invention can the concentrated Voice ﹠ Video receiving ability of power be set to sky according to H.245 agreement is monitored, make monitoring side not send the Voice ﹠ Video data, only receive monitored side and send video data, save communication resources, reduced the cost of monitored side's terminal.
Description of drawings
Fig. 1 is based on the visual telephone service flow chart of 3G-324M protocol suite;
Fig. 2 is the flow chart of the embodiment of the invention based on the remote video controlling method of 3G-324M protocol suite.
Embodiment
On the basis of existing visual telephone service based on the 3G-324M protocol suite, the present invention be set to sky according to the monitored Voice ﹠ Video receiving ability of can power concentrating of agreement H.245, makes monitoring side not send the Voice ﹠ Video data.
Describe the present invention below in conjunction with drawings and Examples.
Fig. 2 is the flow chart of the embodiment of the invention based on the remote video controlling method of 3G-324M protocol suite.Wherein, terminal called and calling terminal all are the portable terminals of supporting the 3G-324M protocol suite, and terminal called possesses camera function.As shown in Figure 2, be example with terminal called as monitored side, remote video controlling method comprises following steps:
After 201:MSC (Mobile Switching Center, mobile switching centre) receives the VT call message of calling terminal initiation, initiate beep-page message to terminal called;
202: after terminal called received above-mentioned beep-page message, Signalling exchange was carried out in the request of initiation, CSD (Circuit Switched Data, the circuit switched data) link between foundation and the calling terminal;
203: after terminal called receives the CSD link establishment success message of MSC transmission, start the VT application module;
The 204:VT application module starts the 3G-324M protocol stack;
The 205:VT application module is judged current application mode:
If current application mode is the remote monitoring pattern, then auto-pickup should be called out; The local terminal Voice ﹠ Video receiving ability of carrying out in the employed capability set of capabilities exchange according to agreement H.245 is set to sky; Carrying out visual telephone service consults;
Otherwise (videophone mode) enters normal video telephone flow process and finishes this VT calling, and this method finishes.
Above-mentioned visual telephone service is consulted to comprise according to agreement H.245 and is carried out processes such as principal and subordinate's decision, capabilities exchange, logic channel management, compound list item management.
If the mode of answering is set to this calling of auto-pickup, then terminal called need not the ringring prompting user after receiving beep-page message.Under the remote monitoring pattern, also can the mode of answering be set to manually answer, promptly notify callee user, whether answer or when answer this VT by callee user's decision and call out by modes such as rings.
Because the local terminal Voice ﹠ Video receiving ability in the employed capability set of terminal called capabilities exchange is set to sky, the calling party then can not send the Voice ﹠ Video data to the callee.
Terminal called also can only be empty with the local terminal video reception capabilities setting in the capability set, and the audio frequency receiving ability is not empty.In this case, terminal called can receive calling party's voice data, and monitoring side when carrying out monitoring remote video (calling party) can send phonetic order to monitored side (callee).
In the visual telephone service negotiations process, it is empty that the calling party can receive the audio frequency in the capability set capabilities setting, makes monitoring side only can receive monitored side's video data, and can't receive voice data.
206: terminal called carries out software and hardware configuration according to the calling terminal ability that comprises in the visual telephone service negotiation result, logical channel and media parameter information, comprise: configuration camera, microphone and loudspeaker apparatus, open coder/decoder and video, audio logical channel, enter the remote monitoring communication state, send video and audio data stream to calling terminal;
If the audio frequency receiving ability in the calling terminal capability set is empty, then terminal called does not send voice data to it.
207: after the called subscriber presses on-hook key or terminal called and receives the on-hook message of calling terminal, stop/unloading the 3G-324M protocol stack, the CSD link is removed in the on-hook of notice wave point; MMI points out end of conversation, information such as display session duration.
In another embodiment of the present invention, the called subscriber can carry out terminal parameter setting by MMI before above-mentioned steps 201, and described step 201 is operated accordingly according to the mode of answering and the local terminal ability parameter of terminal parameter appointment in 207.Specifically, terminal parameter setting comprises: the application model parameter is provided with, and terminal called is set to videophone mode or remote monitoring pattern; The local terminal capabilities setting, to carry out the employed capability set of capabilities exchange corresponding with agreement H.245, can be that sky, video transmitting capacity are not sky with the video reception capabilities setting of terminal called, and can select audio frequency receiving ability, the audio frequency transmitting capacity of terminal called to be set to sky or non-NULL; Receive mode is provided with, and terminal called is set to auto-pickup or manually answers under the remote monitoring pattern.
Above-mentioned steps 201 to 207 is that example has been introduced long-distance monitoring method of the present invention with terminal called as monitored side, and on the basis of the foregoing description, the present invention can also have other mapping mode.For example, the calling party is carried out monitoring remote video as monitored side.Before initiating the VT calling, the calling party carries out the parameter setting, comprising: application model setting, calling terminal are set to the remote monitoring pattern; Local terminal capability set parameter is provided with, and be sky with the video reception capabilities setting of calling terminal.Idiographic flow and step 201 are to 207 similar, and just this VT calls out by monitored side and initiates, so need not to answer operation.
Claims (9)
1. remote video controlling method, be applied to support the communicating terminal of 3G-324M protocol suite, it is characterized in that, when square tube news terminal is initiated video phone call to the opposing party's communicating terminal, and after setting up the circuit switched data link between the both sides, carry out following steps A-D with realize video data only by as monitored side's communication terminal to communicating terminal one-way transmission as monitoring side:
A: monitored side judges current application mode, if the remote monitoring pattern is then carried out next step;
B: monitored root certificate H.245 agreement is empty with the video reception capabilities setting in the local terminal capability set;
C: monitored side and monitoring side comprise the visual telephone service of capabilities exchange procedure and consult;
D: monitored side and monitoring root carry out software and hardware configuration according to the visual telephone service negotiation result, enter the remote monitoring communication state.
2. remote video controlling method as claimed in claim 1 is characterized in that, when monitored side is the callee of described video phone call, also comprises following steps between described steps A and the B:
A ': monitored root is answered described video phone call according to the mode of answering of appointment in the terminal parameter.
3. remote video controlling method as claimed in claim 1, it is characterized in that, also comprise following steps between described steps A and the C: monitored root is sky or non-NULL according to the local terminal capability set parameter of appointment in the terminal parameter with the reception of the audio frequency in described local terminal capability set capabilities setting.
4. remote video controlling method as claimed in claim 1 is characterized in that, also comprises following steps before the described step C: monitored root certificate H.245 agreement is sky or non-NULL with the reception of the audio frequency in local terminal capability set capabilities setting.
5. remote video controlling method as claimed in claim 2 is characterized in that, the described mode of answering comprises auto-pickup and manually answers.
6. as each described remote video controlling method among the claim 1-5, it is characterized in that, before described steps A, also comprise following steps:
Described monitored side user is provided with terminal parameter by man-machine interface.
7. remote video controlling method as claimed in claim 6 is characterized in that described terminal parameter also comprises the application model parameter, and being used to indicate monitored side's application model is remote monitoring pattern or videophone mode.
8. remote video controlling method as claimed in claim 1 is characterized in that, visual telephone service is consulted to comprise according to agreement H.245 and carried out principal and subordinate's decision, capabilities exchange, logic channel management, the management of compound list item.
9. remote video controlling method as claimed in claim 1 is characterized in that, described software and hardware configuration comprises: configuration camera, microphone and loud speaker, open coder/decoder and video, audio logical channel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2007101094839A CN101335878B (en) | 2007-06-26 | 2007-06-26 | Remote video monitoring method |
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| CN2007101094839A CN101335878B (en) | 2007-06-26 | 2007-06-26 | Remote video monitoring method |
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| CN101335878B true CN101335878B (en) | 2010-07-14 |
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| CN2007101094839A Expired - Fee Related CN101335878B (en) | 2007-06-26 | 2007-06-26 | Remote video monitoring method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101778429B (en) * | 2009-12-29 | 2014-07-16 | 中兴通讯股份有限公司 | Method for accelerating negotiation of television telephone and television telephone |
| CN101827243A (en) * | 2010-05-20 | 2010-09-08 | 苏州新海宜通信科技股份有限公司 | Method for connecting H.245 signaling-based video call |
| CN110809128B (en) * | 2020-01-07 | 2020-06-23 | 北方联创通信有限公司 | Method for viewing terminal video based on SIP video call |
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| CN1874495A (en) * | 2006-01-24 | 2006-12-06 | 华为技术有限公司 | Wireless method and system of monitoring and controlling video based on mobile communication platform in third generation |
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| CN1138259A (en) * | 1995-05-26 | 1996-12-18 | 美国电报电话Ipm公司 | Adjustment of call bandwidth during communication call |
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| CN1874495A (en) * | 2006-01-24 | 2006-12-06 | 华为技术有限公司 | Wireless method and system of monitoring and controlling video based on mobile communication platform in third generation |
| CN1874501A (en) * | 2006-06-06 | 2006-12-06 | 北京翼域精彩科技有限公司 | Video digital monitor and control system and method in use for 3G mobile communication |
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