CN102148961B - Monitoring processing method and device and network video monitoring system - Google Patents
Monitoring processing method and device and network video monitoring system Download PDFInfo
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- CN102148961B CN102148961B CN 201010270331 CN201010270331A CN102148961B CN 102148961 B CN102148961 B CN 102148961B CN 201010270331 CN201010270331 CN 201010270331 CN 201010270331 A CN201010270331 A CN 201010270331A CN 102148961 B CN102148961 B CN 102148961B
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Abstract
The invention provides a monitoring processing method and device and a network video monitoring system. The method comprises the following steps: receiving a monitoring message; acquiring a first video parameter corresponding to the monitoring message; and when judging that the first video parameter is different from a preset second video parameter, generating and sending a handover informing message, wherein the handover informing message comprises the first video parameter. In the invention, the high-quality video processing on video with high importance can be realized through the monitoring processing method, a service control center platform, a front-end device, a media transcoding device and the network video monitoring system.
Description
Technical field
The embodiment of the invention relates to the communications field, relates in particular to a kind of monitor processing method, Service control central platform, headend equipment, media transcoding device and network video monitor and control system.
Background technology
Network video monitor and control system is as the basis take Digital Signal Processing, the mode of Adoption Network realizes transmission, exchange, control, video recording storage and the on-demand playback of signal, simultaneously, by being incorporated on the central service platform with third party's warning system, unified management and centralized control to all coding/decoding apparatus in the network video monitor and control system and video recording memory device have been realized.
At present, network video monitor and control system generally adopts the constant bit rate video recording, the headend equipment that is network video monitor and control system adopts constant code rate Media Stream to be sent to the media recording apparatus of network video monitor and control system, by this media recording apparatus this Media Stream is carried out video record processing, obtain the video media data, and these video media data are stored in the disk array.
In realizing process of the present invention; the inventor finds that there are the following problems at least in the prior art: in present network video monitor and control system; the long video recording of a large amount of camera lenses often can appear having stored; and really use the video recording that useful video recording only has a few minutes of certain several camera lens, but relatively low for the quality of this useful video recording.
Summary of the invention
The embodiment of the invention provides a kind of monitor processing method, Service control central platform, headend equipment, media transcoding device and network video monitor and control system, to have realized that high video recording carries out high-quality video record processing to importance.
The embodiment of the invention provides a kind of monitor processing method, comprising:
Receive monitoring message;
Obtain the first video recording parameter corresponding with described monitoring message;
Judge described the first video recording parameter of obtaining with set in advance second record a video parameter when not identical, then generate handoff notification message, and described handoff notification message sent to headend equipment or media transcoding device,, the Media Stream that receives is carried out transcoding process according to described handoff notification message for described headend equipment or media transcoding device; Wherein, described handoff notification message comprises described the first video recording parameter.
The embodiment of the invention also provides a kind of monitor processing method, comprising:
Receive the handoff notification message that the Service control central platform sends, described handoff notification message comprises time point and the first video recording parameter that video recording switches;
Obtain the timestamp that is stored in the first media data in first buffering area corresponding with described the first video recording parameter;
Judging described timestamp after the time point that described video recording switches the time, then send described the first media data.
The embodiment of the invention also provides a kind of monitor processing method, comprising:
Receive the handoff notification message that the Service control central platform sends, described handoff notification message comprises the sign of time point, the first video recording parameter and headend equipment that video recording switches;
Obtain the timestamp that is stored in the Media Stream in the 3rd buffering area corresponding with described headend equipment sign;
Judging described timestamp after the time point that described video recording switches the time, then according to the first video recording parameter, the Media Stream in described the 3rd buffering area is carried out transcoding process, obtain the 3rd media data, and send described the 3rd media data.
The embodiment of the invention provides a kind of Service control central platform, comprising:
The message sink module is used for receiving monitoring message;
The video recording parameter acquisition module is used for obtaining the first video recording parameter corresponding with described monitoring message;
Processing module, be used for judge described the first video recording parameter with set in advance second record a video parameter when not identical, then generate handoff notification message, and described handoff notification message sent to headend equipment or media transcoding device,, the Media Stream that receives is carried out transcoding process according to described handoff notification message for described headend equipment or media transcoding device; Wherein, described handoff notification message comprises described the first video recording parameter.
The embodiment of the invention provides a kind of headend equipment, comprising:
The first message sink module is used for receiving the handoff notification message that the Service control central platform sends, and described handoff notification message comprises time point and the first video recording parameter that video recording switches;
Very first time stamp acquisition module is for the timestamp that obtains the first media data that is stored in first buffering area corresponding with described the first video recording parameter;
The first hand-off process module is used for then sending described the first media data judging described timestamp after the time point that described video recording switches the time.
The embodiment of the invention provides a kind of media transcoding device, comprising:
The second message sink module is used for receiving the handoff notification message that the Service control central platform sends, and described handoff notification message comprises the sign of time point, the first video recording parameter and headend equipment that video recording switches;
The second timestamp acquisition module is for the timestamp that obtains the Media Stream that is stored in three buffering area corresponding with described headend equipment sign;
The second hand-off process module is used for then according to the first video recording parameter, the Media Stream in described the 3rd buffering area being carried out transcoding processing judging described timestamp after the time point that described video recording switches the time, obtains and send the 3rd media data.
The embodiment of the invention provides a kind of network video monitor and control system, comprises Service control central platform and video record processing equipment; Described Service control central platform is used for receiving monitoring message; And obtain corresponding with described monitoring message the first video recording parameter; Judge described the first video recording parameter with set in advance second record a video parameter when not identical, then generate handoff notification message, and described handoff notification message sent to headend equipment or media transcoding device,, the Media Stream that receives is carried out transcoding process according to described handoff notification message for described headend equipment or media transcoding device; Wherein, described handoff notification message comprises described the first video recording parameter.
The monitor processing method of the embodiment of the invention, Service control central platform, headend equipment, media transcoding device and network video monitor and control system, Service control platform center is by the monitoring message according to reception, obtain the first video recording parameter corresponding with monitoring message, judge the first video recording parameter with set in advance second record a video parameter when not identical, then generate and send handoff notification message, this handoff notification message comprises the first video recording parameter.After front end equipment or media transcoding device receive this handoff notification message, according to this handoff notification message, the Media Stream of headend equipment collection is processed accordingly.Because whether the Service control central platform can important according to the monitoring message that receives, thereby trigger headend equipment or media transcoding device the Media Stream that headend equipment gathers is processed accordingly, to realize that high video recording carries out high-quality video record processing to importance.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do one to the accompanying drawing of required use in embodiment or the description of the Prior Art and introduce simply, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the flow chart of an embodiment of monitor processing method of the present invention;
Fig. 2 is the flow chart of another embodiment of monitor processing method of the present invention;
Fig. 3 is the flow chart of another embodiment of monitor processing method of the present invention;
Fig. 4 realizes the structural representation that monitoring is processed in network video monitor and control system;
Fig. 5 is the flow chart of another embodiment of monitor processing method of the present invention;
Fig. 6 is the also flow chart of an embodiment of monitor processing method of the present invention;
Fig. 7 is the structural representation of an embodiment of Service control central platform of the present invention;
Fig. 8 is the structural representation of an embodiment of headend equipment of the present invention;
Fig. 9 is the structural representation of an embodiment of media transcoding device of the present invention;
Figure 10 is the structural representation of an embodiment of network video monitor and control system of the present invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Fig. 1 is the flow chart of an embodiment of monitor processing method of the present invention, and as shown in Figure 1, the main body that present embodiment is carried out is the Service control central platform, and the method comprises:
In the present embodiment, if the monitoring message that the Service control central platform receives comprises the monitoring alarm event information, then the Service control central platform receives the specific implementation of this monitoring message and is: third party's warning system is according to the alarm event that monitors, generate the monitoring alarm event information, and this monitoring alarm event information is sent to the Service control central platform by the alarm access device.If the monitoring message that the Service control central platform receives comprises monitoring analysis object information and headend equipment sign, then the Service control central platform receives the specific implementation of this monitoring message and is: headend equipment carries out intellectual analysis to the Media Stream that gathers to be processed, obtain the monitoring analysis object information, and the headend equipment that headend equipment is corresponding identifies and this monitoring analysis object information sends to the Service control central platform; Perhaps, because headend equipment does not have the intellectual analysis function, therefore headend equipment sends to the intellectual analysis device with Media Stream and the headend equipment sign that gathers, for the intellectual analysis device Media Stream that receives being carried out intellectual analysis processes, obtain the monitoring analysis object information, the intellectual analysis device sends to the Service control central platform with monitoring analysis object information and headend equipment sign again.
Need to prove that in the present embodiment, the concrete mode that Service control control centre platform is not received this monitoring message limits, those skilled in the art can receive monitoring message in different ways according to actual conditions.
In the present embodiment, the Service control central platform can be stored monitoring message and the first video recording parameter corresponding to this monitoring message in the mode of mapping in advance.After the Service control central platform receives monitoring message, can store monitoring message and the first video recording parameter corresponding to this monitoring message in the mode of mapping by inquiry, obtain the first video recording parameter corresponding with the monitoring message that receives.Wherein, the first video recording parameter can be divided into according to the importance of monitoring message multiple.For instance, if when the importance of the monitoring message of Service control central platform storage is highest, then this first video recording parameter can comprise high code check, high frame per second and high-resolution parameter; When if the importance that the monitoring message of Service control central platform storage is is second advanced, then this first video recording parameter can comprise the parameter of middle code check, middle frame per second and intermediate-resolution.Need to prove that in the present embodiment, the content of the first video recording parameter is not limited in above-mentioned several situation, those skilled in the art can arrange according to the importance of monitoring message in the actual conditions content of video recording parameter.
In the present embodiment, the Service control central platform can set in advance the second video recording parameter, simultaneously, in order effectively to save the memory space of disk array in the network video monitor and control system, this second video recording parameter can comprise the parameters such as low code check, low frame per second and low resolution.Need to prove that present embodiment does not limit the second video recording parameter, those skilled in the art can set in advance according to the needs of actual conditions the content of the second video recording parameter in the Service control central platform.
In the present embodiment, if the second video recording parameter comprises the parameters such as low code check, low frame per second and low resolution, the first video recording parameter of obtaining in judgement with set in advance second record a video parameter when not identical, illustrate that the monitoring message that receives is important monitoring message, its importance can be the superlative degree, then generate and send handoff notification message, comprise the first video recording parameter in this handoff notification message, this first video recording parameter can comprise the parameters such as high code check, high frame per second and high-resolution.
In the present embodiment, the Service control central platform can send to handoff notification message headend equipment or media transcoding device etc.For instance, when if headend equipment can be supported to send the code stream of different code checks, frame per second and resolution, in the headend equipment that the Service control central platform can send to this handoff notification message, wherein, this handoff notification message can comprise time point and the first video recording parameter that video recording switches; When if headend equipment is not supported to send the code stream of different code checks, frame per second and resolution, the Service control center can send to handoff notification message the media transcoding device, wherein, this handoff notification message can comprise time point, the first video recording parameter and the headend equipment sign of switching video recording and switching.
Concrete, when front end equipment can be supported to send the code stream of different code checks, frame per second and resolution, then the Service control central platform sent to headend equipment with handoff notification message.This headend equipment is according to the handoff notification message that receives, obtain the timestamp that is stored in the first media data in headend equipment first buffering area corresponding with the first video recording parameter, if timestamp is after the time point that video recording switches, then from buffering area corresponding to the first video recording parameter, obtain the first media data, and this first media data can be sent to the media recording apparatus by the media forwarding device.Wherein, headend equipment can be specially digital versatile disc (Digital Versatile Disc; Be called for short: DVD), network video server (Digital Video Server; Be called for short: DVS) or web camera (IP Camera) etc.Because headend equipment is processed the coding that the Media Stream that gathers has carried out many code streams, a plurality of media datas that therefore obtain can comprise the media data of high code check, high frame per second and high-resolution media data, middle code check, middle frame per second and intermediate-resolution and the media data of low code check, low frame per second and low resolution etc.; And those media datas are stored in respectively in a plurality of buffering areas.
More specifically, when front end equipment was not supported to send the code stream of different code checks, frame per second and resolution, then the Service control central platform sent to the media transcoding device with handoff notification message.This media transcoding device is according to the handoff notification message that receives, obtain the timestamp that is stored in the Media Stream in the buffering area corresponding with the headend equipment sign in the media transcoding device, if timestamp is after the time point that video recording switches, then obtain the Media Stream in this buffering area, and according to the first video recording parameter, this Media Stream is carried out transcoding process, and the 3rd media data that obtains can be sent to the media recording apparatus by the media forwarding device.
In the present embodiment, Service control platform center is by the monitoring message according to reception, obtain the first video recording parameter corresponding with monitoring message, judge the first video recording parameter with set in advance second record a video parameter when not identical, then generate and send handoff notification message, and this handoff notification message comprises the first video recording parameter.Simultaneously, after headend equipment or media transcoding device receive this handoff notification message, according to this handoff notification message, the Media Stream of headend equipment collection is processed accordingly.Because whether the Service control central platform can important according to the monitoring message that receives, thereby trigger headend equipment or media transcoding device the Media Stream that headend equipment gathers is processed accordingly, to realize that high video recording carries out high-quality video record processing to importance.
Further, in another embodiment of the present invention, the method can also comprise:
Within the predetermined time, send the recovery notification message.
In the present embodiment, when the Service control central platform sends handoff notification message to headend equipment, then within the predetermined time, send and recover notification message to headend equipment corresponding to headend equipment sign; Described recovery notification message comprises the second video recording parameter.When the Service control central platform sends to the media transcoding device with handoff notification message, then within the predetermined time, send and recover notification message to the media transcoding device; Described recovery notification message comprises the second video recording parameter.Need to prove that when the Service control central platform sent to the media transcoding device with handoff notification message, this handoff notification message can also comprise the headend equipment sign.
In the present embodiment, because in order to guarantee that the high corresponding Media Stream of monitoring message of importance carried out the high-quality video record processing, the corresponding Media Stream of the low monitoring message of importance is carried out the low quality video record processing, thereby can further save the memory space of network video system, therefore, the Service control central platform can send in scheduled time after the handoff notification message, send and recover notification message to headend equipment or media transcoding device, so that headend equipment or media transcoding device can according to receiving the recovery notification message, carry out low-quality video record processing to the Media Stream that receives.
Fig. 2 is the flow chart of another embodiment of monitor processing method of the present invention, and as shown in Figure 2, the main body that present embodiment is carried out is headend equipment, and the method comprises:
The handoff notification message that step 201, reception Service control central platform send, described handoff notification message comprise time point and the first video recording parameter that video recording switches.
In the present embodiment, the Service control central platform is according to the monitoring message that receives, obtain the first corresponding with it video recording parameter, judge the first video recording parameter with set in advance second record a video parameter when not identical, then generate handoff notification message, and this handoff notification message sent to the headend equipment of the sign correspondence of headend equipment, wherein, this headend equipment has the function of the code stream of supporting to send different code checks, frame per second and resolution.In addition, headend equipment can also have the intellectual analysis function.
In the present embodiment, headend equipment can comprise a plurality of buffering areas, can store respectively the media data of different code checks, frame per second and resolution in each buffering area.Headend equipment can also carry out to the Media Stream that gathers many code stream codings to be processed, and a plurality of media datas that will obtain are stored in respectively in a plurality of buffering areas.After front end equipment receives handoff notification message, can according to the video recording of first in handoff notification message parameter, determine the first corresponding with it buffering area, and from this first buffering area, obtain the timestamp of the first media data.
In the present embodiment, judging timestamp after the time point that video recording switches, then obtain the first media data in first buffering area corresponding with the first video recording parameter, and can send the first media data to the media forwarding device, and by the media forwarding device the first media data is sent to the media recording apparatus, by the media recording apparatus this first media data is stored in the disk array.For instance, when if the video recording of first in handoff notification message parameter comprises high code check, high frame per second and high-resolution parameter, the timestamp of the first media data in judging the first buffering area is after the time point that video recording switches the time, then obtain the first media data of storing in the first buffering area, namely this first media data is high code check, high frame per second and media data corresponding to high-resolution parameter.
In the present embodiment, by the handoff notification message according to reception, headend equipment obtain be stored in the first buffering area corresponding to the first video recording parameter in the timestamp of the first sets of media data, judging timestamp after the time point that video recording switches the time, then send the first media data.Platform is can be according to the importance of the monitoring message that receives owing to get into the frame of mind for work in Service control, and the control headend equipment sends the media data corresponding with handoff notification message, thereby has realized that high video recording carries out high-quality video record processing to importance.
Further, in yet another embodiment of the present invention, in order to guarantee that the high corresponding Media Stream of monitoring message of importance carried out the high-quality video record processing, the corresponding Media Stream of the low monitoring message of importance is carried out the low quality video record processing, thereby can further save the memory space of network video system, the method can also comprise: judging the recovery notification message that does not receive within the predetermined time the transmission of Service control central platform, then obtain the second media data in second buffering area corresponding with the second pre-stored video recording parameter, and send this second media data.
Perhaps, the method can also comprise: receive the recovery notification message that the Service control central platform sends, obtain the second media data in second buffering area corresponding with the second pre-stored video recording parameter, and send the second media data.
In the present embodiment, the second video recording parameter that headend equipment can receive in advance and storage service control centre platform sends.When front end equipment when not receiving handoff notification message, can obtain the second media data in the second buffering area corresponding to the second video recording parameter, and send to the second media data.When front end equipment received handoff notification message within the predetermined time, headend equipment obtained the second media data in second buffering area corresponding with the second pre-stored video recording parameter, and sends the second media data.
Further, in yet another embodiment of the present invention, the method can also comprise: judging timestamp before the time point that video recording switches the time, then obtain the second media data in second buffering area corresponding with the second video recording parameter, and send the second media data.This second video recording parameter is the second video recording parameter that headend equipment receives in advance and storage service control centre platform sends.
Fig. 3 is the flow chart of another embodiment of monitor processing method of the present invention, and as shown in Figure 3, the method for present embodiment comprises:
The handoff notification message that step 301, reception Service control central platform send, this handoff notification message comprise the sign of time point, the first video recording parameter and headend equipment that video recording switches.
In the present embodiment, the Service control central platform obtains the first corresponding with it video recording parameter and the sign of headend equipment according to the monitoring message that receives, and in the present embodiment, this monitoring message is the monitoring alarm event information.Interpretation go out the first video recording parameter with set in advance second record a video parameter when not identical, then generate handoff notification message, because headend equipment corresponding to headend equipment sign do not support to send the code stream of different code checks, frame per second and resolution, therefore this handoff notification message sent to the media transcoding device.This handoff notification message can comprise the first video recording parameter and headend equipment sign.
In the present embodiment, the media transcoding device can comprise a plurality of buffering areas, to be used for receiving the respectively Media Stream that different headend equipments send.
In the present embodiment, when the media transcoding device gets access to the first video recording parameter from handoff notification message, then the media transcoding device is to processing that the Media Stream that receives is decoded, obtain the sequence of a GOP, and according to the first video recording parameter, to the processing of encoding of the sequence of this GOP, obtain the 3rd media data, and the 3rd media data can be sent to the media recording apparatus, by the media recording apparatus the 3rd media data is stored in the disk array again.Need to prove that this Media Stream can be specially video flowing H.264.
In the present embodiment, the media transcoding device is by the handoff notification message according to reception, obtain the timestamp that is stored in the Media Stream in second buffering area corresponding with the headend equipment sign, judging timestamp after the time point that video recording switches the time, then the Media Stream in this second buffering area being carried out transcoding processes, obtaining the 3rd media data, and the 3rd media data is sent.Because the Service control central platform can be according to the importance of the monitor message that receives, send handoff notification message, to control the media transcoding device according to the handoff notification message that receives, the Media Stream that receives is carried out transcoding process, to realize that high video recording carries out high-quality video record processing to importance.
Further, in yet another embodiment of the present invention, in order to guarantee that the high corresponding Media Stream of monitoring message of importance carried out the high-quality video record processing, the corresponding Media Stream of the low monitoring message of importance is carried out the low quality video record processing, thereby can further save the memory space of network video system, the method can also comprise:
Judge the recovery notification message that does not receive within the predetermined time the transmission of Service control central platform, then according to the second pre-stored video recording parameter, the Media Stream in the 3rd buffering area is being carried out transcoding process, obtaining fourth media data; And send this fourth media data.
Perhaps, receive the recovery notification message that the Service control platform sends, and according to the second pre-stored video recording parameter, the Media Stream in the 3rd buffering area is carried out transcoding process, obtain and send fourth media data.
Further, in yet another embodiment of the present invention, the method can also comprise: when judging that timestamp is before the time point that video recording switches, then according to the second pre-stored video recording parameter, Media Stream in the 3rd buffering area is carried out transcoding process, obtain fourth media data; And send this fourth media data.
Need to prove the second video recording parameter that the media transcoding device can receive in advance and storage service control centre platform sends.
In each embodiment of invention, the realization environment of monitor processing method can be specially in network video monitor and control system, Fig. 4 is the structural representation of the network video monitor and control system of realization monitor processing method, as shown in Figure 4, this network video monitor and control system comprises: headend equipment 11, media forwarding device 12, intellectual analysis device 13, Service control central platform 14, media transcoding device 15, media recording apparatus 16, alarm access device 17, third party's warning system 18 and redundant array of inexpensive disks 19.
Concrete, headend equipment 11 is used for gathering Media Stream, and, can carry out intellectual analysis to the Media Stream that gathers and process, and monitoring analysis object information and the headend equipment sign of obtaining sent to Service control central platform 14; When front end equipment 11 does not have the intellectual analysis function, headend equipment 11 sends to intellectual analysis device 13 by media forwarding device 12 with the Media Stream that gathers, Media Stream by 13 pairs of inputs of intellectual analysis device carries out the intellectual analysis processing, and monitoring analysis object information and headend equipment sign corresponding to this monitoring analysis object information that generates sent to Service control central platform 14.In addition, when front end equipment 11 has the code stream of supporting transmission different code checks, frame per second and resolution, can receive handoff notification message, and according to the video recording of first in handoff notification message parameter, the Media Stream that gathers is processed accordingly, and the media data that obtains sent to media recording apparatus 16 by media forwarding device 12, for media recording apparatus 16 with this Video Data Storage in redundant array of inexpensive disks 19.
Simultaneously, Service control central platform 14 is used for that the importance of monitoring message is carried out classification to be processed, when namely the first video recording parameter in judging monitoring message is not identical with the second video recording parameter that sets in advance, then generate handoff notification message, and this handoff notification message is sent to headend equipment 11 or media transcoding device 15.Wherein, media transcoding device 15 is used for according to the first video recording parameter of the handoff notification message that receives the Media Stream of inputting being carried out transcoding to be processed, and the media data that obtains sent to media recording apparatus 16, so that media recording apparatus 16 stores in the disk array media data that receives into 19.Need to prove that in each embodiment of the present invention, disk array can IP SAN type be stored.Simultaneously, can comprise the parameters such as low code check, low frame per second and low resolution for pre-stored the second video recording parameter in Service control central platform 14, to realize effectively saving the memory space of the disk array in the network video monitor and control system.
In addition, third party's warning system 18 is used for when detecting alarm event, generate the monitoring alarm event information, and this monitoring alarm event information is sent to alarm access device 17, by alarm access device 17 the monitoring alarm event information is sent to Service control central platform 14.
Fig. 5 is the flow chart of another embodiment of monitor processing method of the present invention, in the present embodiment, comprise the monitoring alarm event information with monitoring message, the function that the while headend equipment has the code stream of supporting transmission different code checks, frame per second and resolution is example, introduce in detail the technical scheme of present embodiment, as shown in Figure 5, the method for present embodiment comprises:
Step 401, third party's warning system send to the alarm access device with the monitoring alarm event information that generates.
In the present embodiment, third party's warning system can comprise gate control system, power environment system, docking system and/or 110 command systems etc.When third party's warning system detects the alarm event generation, then generate the monitoring alarm event information, and this monitoring alarm event information is sent to the alarm access device.
Step 402～403, alarm access device carry out protocol conversion process to the monitoring alarm event information that receives, and the monitoring alarm event information after will processing sends to the Service control central platform.
Need to prove, because the external interface of third party's warning system has diversity, therefore when the alarm access device receives the monitoring alarm event information of third party's warning system transmission, the alarm access device can carry out protocol conversion process to the monitoring alarm event information, the monitoring alarm event information that can identify to obtain the Service control central platform.
Step 404, Service control central platform obtain the first video recording parameter corresponding with the monitoring alarm event information that receives and headend equipment sign.
In the present embodiment, the Service control central platform can be in advance with video recording parameter corresponding to the relational storage monitoring alarm event information of mapping and this monitoring alarm event information and the sign of headend equipment, so that after the Service control central platform is receiving the monitoring alarm event information, can obtain corresponding with it headend equipment sign and the first video recording parameter.
Step 405～406, Service control central platform then generate and send handoff notification message to identifying corresponding headend equipment with headend equipment in that to judge the first video recording parameter not identical with the second video recording parameter.
In the present embodiment, this handoff notification message comprises time point and the first video recording parameter that video recording switches.
Step 407, headend equipment obtain the timestamp that is stored in the first media data in first buffering area corresponding with the first video recording parameter according to this handoff notification message that receives; And judging this timestamp after the time point that video recording switches the time, then send this first media data.
In the present embodiment, this headend equipment sends the equipment of the code stream of different code checks, frame per second and resolution for support.Be that headend equipment can carry out to the Media Stream that gathers the processing of many code stream codings, and a plurality of media datas that will obtain are stored in respectively in a plurality of buffering areas of headend equipment.Need to prove, generally can cushion the media data between several seconds to tens seconds in this buffering area.
Step 408～410, headend equipment send to the media recording apparatus by the media forwarding device with this first media data, for the media recording apparatus this first media data are stored in the disk array.
For instance, when invalid swiping the card occurs in the gate inhibition who detects No. 1 door when gate control system, generate the monitoring alarm event information, and the alarm access device will be sent in the alarm event information, the alarm access device can carry out protocol conversion process to the monitoring alarm event information that receives, and the monitoring alarm event information after processing is sent to the Service control central platform.The Service control central platform obtains the first corresponding with it video recording parameter and headend equipment sign according to the monitoring alarm event information, and wherein, the first video recording parameter comprises high code check, high frame per second and high-resolution parameter.Headend equipment is designated the sign of the camera of No. 1 door correspondence.Because the second video recording parameter that the Service control central platform sets in advance comprises the parameter of low code check, low frame per second and resolution, therefore the importance of judging the monitor event information that receives this moment is senior, variation has occured in the importance than acquiescence, namely the first video recording parameter is different from the second video recording parameter, then sends handoff notification message to camera corresponding to the camera sign on No. 1 doorway.After this camera receives handoff notification message, obtain time point and the first video recording parameter that the video recording in the handoff notification message switches, and from camera, obtain the timestamp of the first media data in buffering area corresponding to the first video recording parameter, if camera is judged this timestamp after the time point that video recording switches, then send the first media data in the first buffering area to the media recording apparatus, so that the media recording apparatus can be stored in high-quality media data in the disk array.
Need to prove, if camera does not receive within the predetermined time the recovery notification message that the Service control platform sends and is judging, then obtain the second media data in second buffering area corresponding with the second pre-stored video recording parameter, and send this second media data.Wherein, the second video recording parameter can be the second video recording parameter of camera reception and the Service control central platform of storing transmission.
Perhaps, if camera receives the recovery notification message that the Service control central platform sends in the given time, then obtain the second media data in second buffering area corresponding with the second pre-stored video recording parameter, and send this second media data.Wherein, the second video recording parameter can be the second video recording parameter of camera reception and the Service control central platform of storing transmission.
In this enforcement, by the monitoring alarm event information according to reception, obtain the first video recording parameter corresponding with the monitoring alarm event information and headend equipment sign, judge the first video recording parameter with set in advance second record a video parameter when not identical, then generate handoff notification message, and this handoff notification message sent to have support to send different code checks, the headend equipment of the code stream of frame per second and resolution, for headend equipment according to this handoff notification message, Media Stream to the headend equipment collection is processed accordingly, thereby so that the Service control central platform is by judging the importance of the monitoring message that receives, triggering headend equipment processes accordingly to the Media Stream that gathers, so that the media recording apparatus can be stored according to the importance of monitoring message the media data of corresponding mass, and then in the video recording quality that improves the corresponding media data of important monitor event, also effectively saved the memory space of disk array in the network video monitor and control system.
Fig. 6 is the also flow chart of an embodiment of monitor processing method of the present invention, in the present embodiment, comprise monitoring analysis object information and front end sign with monitoring message, the while headend equipment does not have the function of the code stream of supporting transmission different code checks, frame per second and resolution and do not have the intellectual analysis function is example, introduce in detail the technical scheme of present embodiment, as shown in Figure 6, the method for present embodiment comprises:
Step 501～502, headend equipment send to the intellectual analysis device with Media Stream and the headend equipment sign that gathers by the media forwarding device.
In the present embodiment because headend equipment do not have the intellectual analysis function, so headend equipment with the Media Stream that gathers by sending to the intellectual analysis device by the media forwarding device
Step 503～504, intellectual analysis device carry out intellectual analysis to the Media Stream that receives to be processed, and generates the monitoring analysis object information, and this monitoring analysis object information and headend equipment sign are sent to the Service control central platform.
In the present embodiment, the intellectual analysis device can be for having the device of illegal delay, demographics, recognition of face, vehicle identification and human body behavioural analysis.
Need to prove that if headend equipment has the intellectual analysis function, then headend equipment can carry out to the Media Stream that gathers the intellectual analysis processing, and the monitoring analysis object information that headend equipment is identified and obtains sends to the Service control central platform.
Step 505, Service control central platform obtain the first video recording parameter corresponding with the monitoring analysis object information that receives.
In the present embodiment, the Service control central platform is relational storage monitoring analysis object information and corresponding the first video recording parameter of this monitoring analysis object information to shine upon in advance, so that after the Service control central platform is receiving the monitoring analysis object information, can obtain the first corresponding with it video recording parameter.
Step 506～507, Service control central platform judge the first video recording parameter with set in advance second record a video parameter when not identical, then generate and send this handoff notification message to the media transcoding device; This handoff notification message comprises the first video recording parameter and headend equipment sign.
Step 508, media transcoding device are according to the handoff notification message that receives, obtain the timestamp that is stored in the Media Stream in the 3rd buffering area of answering with the headend equipment sign, judging this timestamp after the time point that video recording switches the time, then according to the first video recording parameter, Media Stream in the 3rd buffering area is carried out transcoding to be processed, obtain the 3rd media data, and send the 3rd media data.
Step 509～510, media transcoding device send to the media recording apparatus with the 3rd media data, by the media recording apparatus the 3rd media data is stored in the disk array.
For instance, this intellectual analysis device can be specially IP Camera.When front end equipment gathers Media Stream, and this Media Stream is sent to the intellectual analysis device, when intellectual analysis device analysis road during through headend equipment, sends to Service control central platform with the number-plate number of this vehicle and the sign of this headend equipment by vehicle.The Service control central platform obtains the first corresponding with it video recording parameter according to this number-plate number, and concrete, the first video recording parameter comprises the parameter of middle code check, middle frame per second and intermediate-resolution.Because the second video recording parameter that the Service control central platform sets in advance comprises the parameter of low code check, low frame per second and low resolution, the importance that the monitoring message that receives has been described is relatively high, then generate handoff notification message, and this handoff notification message is sent to the media transcoding device.Wherein, this first video recording parameter comprises the parameter of middle code check, middle frame per second and intermediate-resolution.After the media transcoding device receives handoff notification message, obtain the time point that the video recording in this handoff notification message switches, and obtain the timestamp of the Media Stream in the buffering area corresponding with headend equipment sign, and judging this timestamp after the time point that video recording switches the time, then the media transcoding device is processed the decoding of the Media Stream in this buffering area, obtain the sequence of a GOP, then according to the first video recording parameter, to the processing of encoding of the sequence of GOP, obtain three media data corresponding with the first video recording parameter, and the 3rd media data sent to video storage device by the media forwarding device, so that the media recording apparatus can be stored in the disk array by the 3rd media data that quality is relatively high.
Need to prove, if the media transcoding device is being judged the recovery notification message that does not receive the transmission of Service control central platform in predetermined time, then to the processing of decoding of the Media Stream in buffering corresponding to this headend equipment sign, obtain the sequence of a GOP, then according to the second video recording parameter, sequence to this GOP is encoded, and obtains fourth media data, and these fourth media data are sent to the media recording apparatus.Perhaps, if the media transcoding device receives the recovery notification message that the Service control central platform sends, then to the processing of decoding of the Media Stream in buffering corresponding to this headend equipment sign, obtain the sequence of a GOP, then according to the second video recording parameter, sequence to this GOP is encoded, and obtains fourth media data, and these fourth media data are sent to the media recording apparatus.The second video recording parameter that the Service control central platform that this second video recording parameter is the reception of media transcoding device and storage sends.
In this enforcement, by the monitoring analysis object information according to reception, obtain the first video recording parameter corresponding with the monitoring analysis object information, the first video recording parameter is not identical with the second video recording parameter that sets in advance judging, then generate handoff notification message, and this handoff notification message sent to the media transcoding device, for the media transcoding device according to this handoff notification message, Media Stream to the headend equipment collection is processed accordingly, thereby so that the Service control central platform is by judging the importance of the monitoring message that receives, the Media Stream that the media transcoding device receives is processed accordingly, so that the media recording apparatus can be stored in high-quality or middle quality or low-quality media data in the disk array according to whether monitoring message is important, and then in the video recording quality that improves the corresponding media data of important monitor event, also effectively saved the memory space of disk array in the network video monitor and control system.
Fig. 7 is the structural representation of an embodiment of Service control central platform of the present invention, and as shown in Figure 7, the Service control central platform of present embodiment comprises: message sink module 21, video recording parameter acquisition module 22 and processing module 23.Wherein, message sink module 21 is used for receiving monitoring message; Video recording parameter acquisition module 22 is used for obtaining the first video recording parameter corresponding with monitoring message; Processing module 23 be used for judging the first video recording parameter with set in advance second record a video parameter when not identical, then generate and send handoff notification message; This handoff notification message comprises the first video recording parameter.
The Service control central platform of present embodiment can be used for carrying out the technical scheme of embodiment of the method shown in Figure 1, and it realizes that principle is similar, repeats no more herein.
In the present embodiment, Service control platform center is by the monitoring message according to reception, obtain the first video recording parameter corresponding with monitoring message, judge the first video recording parameter with set in advance second record a video parameter when not identical, then generate and send handoff notification message, and this handoff notification message comprises the first video recording parameter.Simultaneously, after headend equipment or media transcoding device receive this handoff notification message, according to this handoff notification message, the Media Stream of headend equipment collection is processed accordingly.Because whether the Service control central platform can important according to the monitoring message that receives, thereby trigger headend equipment or media transcoding device the Media Stream that headend equipment gathers is processed accordingly, to realize that high video recording carries out high-quality video record processing to importance.
Further, in another embodiment of the present invention, in order to guarantee that the high corresponding Media Stream of monitoring message of importance carried out the high-quality video record processing, the corresponding Media Stream of the low monitoring message of importance is carried out the low quality video record processing, thereby can further save the memory space of network video system, this Service control central platform can also comprise: recover the notification message sending module and be used within the predetermined time, send and recover notification message.
In the present embodiment, when Service control central platform forward end equipment sent handoff notification message, recovering the notification message sending module can specifically be used within the predetermined time, sent and recovered notification message to headend equipment corresponding to headend equipment sign; When the Service control central platform sent handoff notification message to the media transcoding device, recovering the notification message sending module can also specifically be used within the predetermined time, sent and recovered notification message to the media transcoding device.
Fig. 8 is the structural representation of an embodiment of headend equipment of the present invention, and as shown in Figure 8, the headend equipment of present embodiment comprises: the first message sink module 31, very first time stamp acquisition module 32 and the first hand-off process module 33.Wherein, the first message sink module 31 is used for receiving the handoff notification message that the Service control central platform sends, and this handoff notification message comprises time point and the first video recording parameter that video recording switches; Very first time stamp acquisition module 32 is used for obtaining the timestamp of the first media data that is stored in first buffering area corresponding with the first video recording parameter; The first hand-off process module 33 is used for then sending the first media data judging timestamp after the time point that video recording switches the time.
The headend equipment of present embodiment can be used for carrying out the technical scheme of embodiment of the method shown in Figure 2, and it realizes that principle is similar, repeats no more herein.
In the present embodiment, by the handoff notification message according to reception, headend equipment obtain be stored in the first buffering area corresponding to the first video recording parameter in the timestamp of the first sets of media data, judging timestamp after the time point that video recording switches the time, then send the first media data.Platform is can be according to the importance of the monitoring message that receives owing to get into the frame of mind for work in Service control, and the control headend equipment sends the media data corresponding with handoff notification message, thereby has realized that high video recording carries out high-quality video record processing to importance.
Further, in another embodiment of the present invention, in order to guarantee that the high corresponding Media Stream of monitoring message of importance carried out the high-quality video record processing, the corresponding Media Stream of the low monitoring message of importance is carried out the low quality video record processing, thereby can further save the memory space of network video system, headend equipment can also comprise that the first Recovery processing module is used for when judging the recovery notification message that does not receive within the predetermined time the transmission of Service control central platform, then obtain the second media data in the second buffering area corresponding to the second pre-stored video recording parameter, and send the second media data.
Perhaps, headend equipment can also comprise: the second Recovery processing module, be used for receiving the recovery notification message that the Service control central platform sends, obtain the second media data in second buffering area corresponding with the second pre-stored video recording parameter, and send the second media data.
Further, in another embodiment of the present invention, the first hand-off process module 33 can also be used for then obtaining the second media data in second buffering area corresponding with the second video recording parameter, and sending the second media data judging timestamp before the time point that video recording switches the time.
Need to prove that headend equipment can be in advance and the second video recording parameter of sending of storage service control centre platform.
Fig. 9 is the structural representation of an embodiment of media transcoding device of the present invention, and as shown in Figure 9, the media transcoding device of present embodiment comprises: the second message sink module 41, the second timestamp acquisition module 42 and the second hand-off process module 43.Wherein, the second message sink module 41 is used for receiving the handoff notification message that the Service control central platform sends, and this handoff notification message comprises the sign of time point, the first video recording parameter and headend equipment that video recording switches; The second timestamp acquisition module 42 is used for obtaining the timestamp of the Media Stream that is stored in three buffering area corresponding with the headend equipment sign; The second hand-off process module 43 is used for then according to the first video recording parameter, the Media Stream in the 3rd buffering area being carried out transcoding processing judging timestamp after the time point that video recording switches the time, obtains the 3rd media data; And send the 3rd media data.
The media transcoding device of present embodiment can be used for carrying out the technical scheme of embodiment of the method shown in Figure 3, and it realizes that principle is similar, repeats no more herein.
In the present embodiment, the media transcoding device is by the handoff notification message according to reception, obtain the timestamp that is stored in the Media Stream in second buffering area corresponding with the headend equipment sign, judging timestamp after the time point that video recording switches the time, then the Media Stream in this second buffering area being carried out transcoding processes, obtaining the 3rd media data, and the 3rd media data is sent.Because the Service control central platform can be according to the importance of the monitor message that receives, send handoff notification message, to control the media transcoding device according to the handoff notification message that receives, the Media Stream that receives is carried out transcoding process, to realize that high video recording carries out high-quality video record processing to importance.
Further, in another embodiment of the present invention, in order to guarantee that the high corresponding Media Stream of monitoring message of importance carried out the high-quality video record processing, the corresponding Media Stream of the low monitoring message of importance is carried out the low quality video record processing, thereby can further save the memory space of network video system, this media transcoding device can also comprise: the 3rd Recovery processing module, for judging the recovery notification message that does not receive within the predetermined time the transmission of Service control central platform, then according to the second pre-stored video recording parameter, Media Stream in the 3rd buffering area is carried out transcoding process, obtain and send fourth media data.
Perhaps, the 4th Recovery processing module is used for receiving the recovery notification message of Service control platform transmission and according to the second pre-stored video recording parameter, the Media Stream in the 3rd buffering area is carried out the transcoding processing, obtains and send fourth media data.
Further, in another embodiment of the present invention, the second hand-off process module 43 in this media transcoding device can also be used for when judging that timestamp is before the time point that video recording switches, then according to the second pre-stored video recording parameter, media data in the 3rd buffering area is carried out transcoding process, obtain and send fourth media data.
Figure 10 is the structural representation of an embodiment of network video monitor and control system of the present invention, and as shown in figure 10, this network video monitor and control system can Service control central platform 51 and video record processing equipment 52.Wherein, Service control central platform 51 is connected with video record processing equipment 52, and Service control central platform 51 can carry out the technical scheme of embodiment of the method shown in Figure 4, and it realizes that principle is similar, repeats no more herein.Video record processing equipment 52 is used for carrying out corresponding video record processing according to the handoff notification message that receives.
In the present embodiment, Service control platform center is by the monitoring message according to reception, obtain the first video recording parameter corresponding with monitoring message, judge the first video recording parameter with set in advance second record a video parameter when not identical, then generate and send handoff notification message, and this handoff notification message comprises the first video recording parameter.Simultaneously, after video record processing equipment receives this handoff notification message, according to this handoff notification message, the Media Stream that receives is processed accordingly.Because whether the Service control central platform can important according to the monitoring message that receives, process accordingly thereby trigger the Media Stream that the video record processing equipment interconnection receives, to realize that high video recording carries out high-quality video record processing to importance.
Further, in another embodiment of the present invention, the video record processing equipment 52 of this system comprises headend equipment, can carry out the technical scheme of embodiment of the method shown in Figure 5, and it realizes that principle is similar, repeats no more herein.
Further, in another embodiment of the present invention, the video record processing equipment 52 of this system comprises the media transcoding device, can carry out the technical scheme of embodiment of the method shown in Figure 6, and it realizes that principle is similar, repeats no more herein.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: the various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (15)
1. a monitor processing method is characterized in that, comprising:
Receive monitoring message;
Obtain the first video recording parameter corresponding with described monitoring message;
Judge described the first video recording parameter of obtaining with set in advance second record a video parameter when not identical, then generate handoff notification message, and described handoff notification message sent to headend equipment or media transcoding device,, the Media Stream that receives is carried out transcoding process according to described handoff notification message for described headend equipment or media transcoding device; Wherein, described handoff notification message comprises described the first video recording parameter.
2. monitor processing method according to claim 1 is characterized in that, also comprises:
Within the predetermined time, send the recovery notification message.
3. a monitor processing method is characterized in that, comprising:
Receive the handoff notification message that the Service control central platform sends, described handoff notification message comprises time point and the first video recording parameter that video recording switches;
Obtain the timestamp that is stored in the first media data in first buffering area corresponding with described the first video recording parameter;
Judging described timestamp after the time point that described video recording switches the time, then send described the first media data.
4. monitor processing method according to claim 3 is characterized in that, also comprises:
Judging the recovery notification message that does not receive within the predetermined time described Service control central platform transmission, then obtaining the second media data in second buffering area corresponding with the second pre-stored video recording parameter, and send described the second media data; Perhaps,
Receive the described recovery notification message that described Service control central platform sends, obtain the second media data in second buffering area corresponding with pre-stored described the second video recording parameter, and send described the second media data.
5. a monitor processing method is characterized in that, comprising:
Receive the handoff notification message that the Service control central platform sends, described handoff notification message comprises time point, the first video recording parameter and the headend equipment sign that video recording switches;
Obtain the timestamp that is stored in the Media Stream in the 3rd buffering area corresponding with described headend equipment sign;
Judging described timestamp after the time point that described video recording switches the time, then according to the first video recording parameter, the Media Stream in described the 3rd buffering area is carried out transcoding process, obtain and send the 3rd media data.
6. monitor processing method according to claim 5 is characterized in that, also comprises:
Judging the recovery notification message that does not receive within the predetermined time described Service control central platform transmission, then according to the second pre-stored video recording parameter, Media Stream in described the 3rd buffering area is carried out transcoding process, obtain and send fourth media data; Perhaps,
Receive the described recovery notification message that described Service control central platform sends, and according to pre-stored described the second video recording parameter, the Media Stream in described the 3rd buffering area is carried out transcoding process, obtain and send described fourth media data.
7. a Service control central platform is characterized in that, comprising:
The message sink module is used for receiving monitoring message;
The video recording parameter acquisition module is used for obtaining the first video recording parameter corresponding with described monitoring message;
Processing module, be used for judge described the first video recording parameter with set in advance second record a video parameter when not identical, then generate handoff notification message, and described handoff notification message sent to headend equipment or media transcoding device,, the Media Stream that receives is carried out transcoding process according to described handoff notification message for described headend equipment or media transcoding device; Wherein, described handoff notification message comprises described the first video recording parameter.
8. Service control central platform according to claim 7 is characterized in that, also comprises:
Recover the notification message sending module, be used within the predetermined time, send and recover notification message.
9. a headend equipment is characterized in that, comprising:
The first message sink module is used for receiving the handoff notification message that the Service control central platform sends, and described handoff notification message comprises time point and the first video recording parameter that video recording switches;
Very first time stamp acquisition module is for the timestamp that obtains the first media data that is stored in first buffering area corresponding with described the first video recording parameter;
The first hand-off process module is used for then sending described the first media data judging described timestamp after the time point that described video recording switches the time.
10. headend equipment according to claim 9 is characterized in that, also comprises:
The first Recovery processing module, be used for when judging the recovery notification message that does not receive within the predetermined time described Service control central platform transmission, then obtain the second media data in second buffering area corresponding with the second pre-stored video recording parameter, and send described the second media data; Perhaps,
The second Recovery processing module is used for receiving the described recovery notification message that described Service control central platform sends, and obtains the second media data in second buffering area corresponding with pre-stored described the second video recording parameter, and sends described the second media data.
11. a media transcoding device is characterized in that, comprising:
The second message sink module is used for receiving the handoff notification message that the Service control central platform sends, and described handoff notification message comprises the sign of time point, the first video recording parameter and headend equipment that video recording switches;
The second timestamp acquisition module is for the timestamp that obtains the Media Stream that is stored in three buffering area corresponding with described headend equipment sign;
The second hand-off process module is used for then according to described the first video recording parameter, the Media Stream in described the 3rd buffering area being carried out transcoding processing judging described timestamp after the time point that described video recording switches the time, obtains and send the 3rd media data.
12. media transcoding device according to claim 11 is characterized in that, also comprises:
The 3rd Recovery processing module, for judging the recovery notification message that does not receive within the predetermined time described Service control central platform transmission, then according to the second pre-stored video recording parameter, Media Stream in described the 3rd buffering area is carried out transcoding process, obtain and send fourth media data; Perhaps,
The 4th Recovery processing module, be used for receiving the described recovery notification message that described Service control central platform sends, and according to pre-stored described the second video recording parameter, the Media Stream in described the 3rd buffering area is carried out transcoding process, obtain and send described fourth media data.
13. a network video monitor and control system is characterized in that, comprises Service control central platform and video record processing equipment; Described Service control central platform is used for receiving monitoring message; Obtain the first video recording parameter corresponding with described monitoring message; Judge described the first video recording parameter with set in advance second record a video parameter when not identical, then generate handoff notification message, and described handoff notification message sent to headend equipment or media transcoding device,, the Media Stream that receives is carried out transcoding process according to described handoff notification message for described headend equipment or media transcoding device; Wherein, described handoff notification message comprises described the first video recording parameter.
14. network video monitor and control system according to claim 13, it is characterized in that, described video record processing equipment comprises headend equipment, described headend equipment is used for receiving the handoff notification message that the Service control central platform sends, and described handoff notification message comprises time point and the first video recording parameter that video recording switches; Obtain the timestamp that is stored in the first media data in first buffering area corresponding with described the first video recording parameter; Judging described timestamp after the time point that described video recording switches the time, then send described the first media data.
15. according to claim 13 or 14 described network video monitor and control systems, it is characterized in that, described video record processing equipment comprises the media transcoding device, described media transcoding device is used for receiving the handoff notification message that the Service control central platform sends, and described handoff notification message comprises the sign of time point, the first video recording parameter and headend equipment that video recording switches; Obtain the timestamp that is stored in the Media Stream in the 3rd buffering area corresponding with described headend equipment sign; Judging described timestamp after the time point that described video recording switches the time, then according to described the first video recording parameter, the Media Stream in described the 3rd buffering area is carried out transcoding process, obtain and send the 3rd media data.
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| CN102572409A (en) * | 2011-12-19 | 2012-07-11 | 中山爱科数字科技股份有限公司 | Method for preventing video interruption in sector switching process of mobile video monitoring |
| CN102572357B (en) * | 2011-12-31 | 2018-03-30 | 中兴通讯股份有限公司 | The storage method and video monitoring system of a kind of video monitoring front-end |
| CN104184980A (en) * | 2014-07-21 | 2014-12-03 | 联想(北京)有限公司 | Data processing method and electronic device |
| JP2016177393A (en) * | 2015-03-19 | 2016-10-06 | カシオ計算機株式会社 | Image processing apparatus, face recognition method, and program |
| CN106856571B (en) | 2015-12-09 | 2019-12-06 | 阿里巴巴集团控股有限公司 | Transcoding method and device |
| CN105611252B (en) * | 2015-12-31 | 2019-05-24 | 浙江大华技术股份有限公司 | A kind of kinescope method and equipment of video |
| CN105915539B (en) * | 2016-05-31 | 2019-03-19 | 微梦创科网络科技（中国）有限公司 | A kind of streaming media parameter monitoring method and device |
| CN107396042A (en) * | 2017-06-30 | 2017-11-24 | 郑州云海信息技术有限公司 | A kind of monitoring method of recreation ground, apparatus and system |
| CN108377411B (en) * | 2018-02-11 | 2020-08-04 | 浙江大华技术股份有限公司 | Method for transmitting media data, method and device for displaying media data |
| CN112885102B (en) * | 2019-11-29 | 2022-10-14 | 浙江宇视科技有限公司 | Image shooting method, device, equipment and storage medium |
| CN113923421B (en) * | 2021-12-15 | 2022-03-01 | 苏州浪潮智能科技有限公司 | Monitoring video compression method, monitoring system, computer equipment and medium |
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