CN116527982B - Method and system for recording question synchronous audio and video - Google Patents
Method and system for recording question synchronous audio and video Download PDFInfo
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- CN116527982B CN116527982B CN202310639799.8A CN202310639799A CN116527982B CN 116527982 B CN116527982 B CN 116527982B CN 202310639799 A CN202310639799 A CN 202310639799A CN 116527982 B CN116527982 B CN 116527982B
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- 238000000034 method Methods 0.000 title claims abstract description 46
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 22
- 238000013468 resource allocation Methods 0.000 claims abstract description 58
- 238000009826 distribution Methods 0.000 claims abstract description 25
- 238000012544 monitoring process Methods 0.000 claims abstract description 11
- 238000013507 mapping Methods 0.000 claims description 20
- 230000003287 optical effect Effects 0.000 claims description 19
- 238000003860 storage Methods 0.000 claims description 7
- 238000010276 construction Methods 0.000 claims description 6
- 238000004590 computer program Methods 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 description 1
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- 230000015572 biosynthetic process Effects 0.000 description 1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
- H04N21/43072—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen of multiple content streams on the same device
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4334—Recording operations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
- H04N21/4425—Monitoring of client processing errors or hardware failure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The application relates to the technical field of question recording, and particularly discloses a method and a system for recording synchronous audio and video of question, wherein the method comprises the following steps: numbering and identifying all the inquiry devices, and generating an assignable sequence according to the working state of the inquiry devices; acquiring current information to be asked, and constructing a resource allocation tree according to the current information to be asked; distributing corresponding inquiry equipment according to the allocable sequence and the resource distribution tree; after the inquiry is started, synchronously acquired audio and video data are acquired, and recording is carried out according to the acquired audio and video data; monitoring is set for each question equipment, and when the working state of the question equipment is monitored to be changed, the assignable sequence is updated; and re-distributing the inquiry equipment based on the resource distribution tree and the updated assignable sequence. The application adopts the tree structure as the bottom data frame to dynamically allocate the resource of the inquiry equipment, so that the resource can be better combined with the actual inquiry requirement, thereby improving the utilization rate of the resource of the inquiry equipment.
Description
Technical Field
The application relates to the technical field of question recording, in particular to a method and a system for recording synchronous audio and video of a question.
Background
The synchronous audio and video recording of the question mark indicates that when the public security organ performs the question mark work, besides the text recording, the audio and video synchronous recording is sometimes performed on the question mark process by using the audio and video recording equipment, and the record storage is usually performed in the form of an optical disk.
Compared with the traditional question recording, a question host is adopted to fix a question room where the question host is located to provide service, the question host is used for synchronously completing recording and recording of audio and video, the traditional question recording can be realized by adopting equipment such as IPC (internet protocol camera), NVR (network video recorder) and the like, for example, each question room is provided with the IPC, video recording, storage and forwarding are completed through the NVR, and the acquired audio and video information is processed and recorded through a recorder terminal.
Although the existing question recording can allocate resources to each question room by adopting a plurality of recording CD-ROM drives and setting a series of recording strategies, the resource allocation is relatively fixed, and the question room is difficult to flexibly process against various equipment faults and other situations, so that the resource utilization rate of the question equipment is lower.
Disclosure of Invention
The application aims to provide a method and a system for recording synchronous audio and video of a question mark, which dynamically allocate the resources of the question mark equipment by adopting a tree structure as a bottom data frame so as to better and reasonably allocate the resources of the question mark equipment, thereby improving the utilization rate of the resources of the question mark equipment.
In a first aspect, the present application provides a method for recording question synchronous audio and video, which adopts the following technical scheme:
numbering and identifying all the question equipment, and generating an assignable sequence according to the working state of all the question equipment at present;
acquiring current information to be asked, and constructing a resource allocation tree according to the current information to be asked;
distributing corresponding inquiry equipment according to the allocable sequence and the resource distribution tree;
after the inquiry is started, synchronously acquired audio and video data are acquired, and recording is carried out according to the acquired audio and video data;
monitoring is set for each question equipment, and when the working state of the question equipment is monitored to be changed, the assignable sequence is updated;
and re-distributing the inquiry equipment based on the resource distribution tree and the updated assignable sequence.
According to the technical scheme, the dynamic allocation of the resource of the query equipment can be realized by adopting the tree structure as the bottom data frame and setting the allocable sequence, so that the utilization rate of the resource of the query equipment is improved.
Optionally, the questioning information includes a case name, a case number, and information about an identity of a questioned message, and the constructing a resource allocation tree according to the current information about the questioned message includes:
taking the current date as a root node, and sequentially adding the case number as a child node of the root node;
sequentially adding the identity information of the inquired information person as child nodes of the associated parent node by taking each case number as the parent node, and marking the child nodes as leaf nodes;
the hierarchy formed by the root node, each parent node, and all leaf nodes is denoted as a resource allocation tree.
Optionally, the allocable sequence includes an allocable acquisition sequence and an allocable recording sequence, and the allocating corresponding question equipment according to the allocable sequence and the resource allocation tree includes:
respectively establishing mapping relations from leaf nodes to the allocable acquisition sequences and the allocable recording sequences through a preset method according to the allocable sequences;
traversing the resource distribution tree according to a layer sequence traversing mode, and distributing audio and video acquisition equipment and recording equipment to each leaf node in sequence according to the mapping relation;
the assigned interrogation device is marked as in-use and the assignable sequence is updated.
Optionally, the question equipment includes an audio/video acquisition device and a recording device, and the acquiring the audio/video data acquired synchronously and recording according to the acquired audio/video data includes:
setting multiple threads according to the distributed audio and video acquisition equipment, and giving a preset time interval;
synchronously acquired audio and video data are obtained in batches according to preset time intervals, and corresponding data processing is carried out to generate data to be recorded;
and recording according to the data to be recorded by using the distributed recording equipment.
Optionally, the working states include a use state, an idle state and a fault state, and when it is monitored that the working state of the interrogation device is changed, updating the allocable sequence includes:
if the working state of the query equipment is changed, the query equipment is audio and video acquisition equipment;
recording the size and the current time of the data acquired by the audio and video acquisition equipment;
if the audio and video acquisition equipment is closed due to the end of the normal question mark, adding a completion mark to a leaf node where the audio and video acquisition equipment is located;
recording the audio and video acquisition equipment as an idle state, and updating an assignable sequence;
if the equipment failure causes the closing of the audio and video acquisition equipment, the audio and video acquisition equipment is marked as a failure state, and corresponding prompt information is generated;
and reassigning the audio and video acquisition equipment according to the assignable sequence.
Optionally, when the working state of the interrogation device is monitored to be changed, updating the allocable sequence includes:
if the working state is changed, the information asking device is a burning device;
if the working state of the recording equipment is changed due to the completion of the recording work, the working state of the recording equipment is recorded as an idle state, and the allocable resource sequence is updated;
if the working state of the equipment is changed due to equipment failure, the recording equipment is redistributed according to the allocable sequence.
Optionally, after the adding the completion identifier to the leaf node where the audio and video acquisition device is located, the method further includes:
confirming a father node corresponding to the leaf node with the added identification based on the resource allocation tree;
judging whether all leaf nodes under the father node are added with the completion identification;
if yes, grouping the collected data associated with the leaf nodes through a preset optical disc capacity to generate a data set to be recorded;
according to the data set to be recorded, adjusting the mapping relation from the leaf node to the allocated recording equipment, and reallocating the recording equipment according to the adjusted mapping relation to record;
if not, sequentially judging whether the data size acquired by the audio and video acquisition equipment associated with the leaf node added with the finished mark reaches the preset optical disc capacity,
if so, directly recording by the associated recording equipment of the leaf node.
Optionally, after the recording is performed according to the collected audio/video data, the method further includes:
confirming a leaf node associated with the current recording equipment;
confirming path information of leaf nodes based on a resource allocation tree;
confirming the question start time and the end time based on the data acquired by the audio and video acquisition equipment associated with the leaf nodes;
and generating cover information of the inquiry optical disc according to the inquiry starting time, the inquiry ending time and the path information.
In a second aspect, the present application provides a system for recording question-information synchronous audio and video, comprising:
the allocation sequence generating module 101 is configured to perform numbering identification on all the question devices, and generate an allocable sequence according to the current working states of all the question devices;
the resource allocation tree construction module 102 is configured to obtain current information to be questioned, and construct a resource allocation tree according to the current information to be questioned;
a resource allocation module 103, configured to allocate corresponding question equipment according to the allocable sequence and the resource allocation tree;
the distribution sequence updating module 104 is configured to acquire audio and video data acquired synchronously after a question is started, perform recording according to the acquired audio and video data, set monitoring on each question equipment, and update the allocable sequence when the working state of the question equipment is monitored to be changed;
the resource reassignment module 105 is configured to reassign the interrogation device based on the resource assignment tree and the updated assignable sequence.
In a third aspect, the present application provides a computer readable storage medium storing a computer program capable of being loaded by a processor and executing the above-mentioned method for recording a question-asking synchronous audio and video.
In summary, the application adopts the tree structure as the bottom data frame, and combines the assignable sequence to realize the dynamic allocation of the resource of the interrogation equipment; in addition, the constructed resource allocation tree is closely related to the question information, so that more reasonable resource allocation can be performed according to actual requirements, and corresponding question information and question progress can be tracked and managed; in addition, by monitoring the inquiry equipment in the inquiry, the dynamics and faults of the inquiry process can be monitored in time, and the resource can be automatically redistributed and adjusted.
Drawings
FIG. 1 is a flowchart of a method for recording synchronous audio and video with question information according to an embodiment of the present application;
FIG. 2 is a flow chart of allocating corresponding interrogation devices according to an allocable sequence and resource allocation tree provided by an embodiment of the present application;
fig. 3 and fig. 4 are flowcharts of updating the allocable sequence when it is monitored that the working state of the interrogation device is changed according to the embodiment of the present application;
fig. 5 is a flowchart of performing recording judgment after adding a completion identifier to a leaf node where the audio and video acquisition device is located according to an embodiment of the present application;
fig. 6 is a schematic diagram of a synchronous audio/video recording system with inquiry messages according to an embodiment of the present application.
Detailed Description
The present application will be described in further detail with reference to fig. 1 to 6.
The application provides a method for recording question synchronous audio and video, which is shown in fig. 1 and comprises the following steps:
s100, numbering and identifying all the question equipment, and generating an assignable sequence according to the current working state of all the question equipment.
The audio and video acquisition equipment corresponds to the question rooms, namely, each question room is provided with an IPC (internet protocol camera) and a pickup, and then is connected with an NVR (network video recorder) through a switch, and the NVR and the IPC work cooperatively to complete the functions of video recording, storage, forwarding and the like, and then the recorded audio and video data is recorded through the recording equipment after being processed. That is, the audio/video capturing device corresponds to a generic term, and the number thereof can be regarded as the number of the question room.
The working state is divided into a using state, an idle state and a fault state, which respectively represent that the current equipment is in use, the current equipment can be distributed and the current equipment can be used after repair.
The assignable sequence represents a sequence obtained by corresponding sequencing of the question equipment in the assignable state according to the corresponding number identification.
In the embodiment of the application, the numbering and identification of all the question equipment can be carried out according to the equipment name plus Arabic numerals, and the Arabic numerals can be adopted to conveniently sort, for example, the audio and video acquisition equipment 1, the audio and video acquisition equipment 2 and the audio and video acquisition equipment 3 and …; the recording device 1, the recording device 2 and the recording device 3 … can write question 1, question 2 and question 3 … by short writing, for example, collecting 1 and recording 1, or setting that a single question room is only provided with one set of audio and video collecting device. The application is not limited by what numbers are used, and the following description will be given by way of short.
After the number identification is carried out, all the question equipment in the assignable state can be obtained, and then the assignable sequence is formed by all the question equipment in the assignable state. Because the question equipment is divided into two types, the corresponding sequences can be divided into two types, namely an allocatable acquisition sequence and an allocatable recording sequence.
For example, the current question equipment which can be allocated is acquisition 1, acquisition 2, acquisition 3, acquisition 4, acquisition 1, acquisition 2, acquisition 3, acquisition 4 and acquisition 5, and the generated allocable acquisition sequence is [ acquisition 1, acquisition 2, acquisition 3, acquisition 4], and the allocable acquisition sequence is [ acquisition 1, acquisition 2, acquisition 3, acquisition 4 and acquisition 5].
S200, acquiring current information to be asked, and constructing a resource allocation tree according to the current information to be asked.
The information to be asked is information related to the question work to be performed at present, and comprises case names, case numbers and information of the identities of the asked questions.
The resource allocation tree represents a data structure with a tree as an underlying frame, and is an indefinite tree, i.e. the number of branches of the tree is not fixed, in order to allocate the resource of the query device.
Since the allocation of the resources is actually the allocation of the devices needed in the questioning process, the allocation is used as the allocation basis according to the actual use requirement, i.e. the resource allocation tree is constructed according to the current information to be questioned.
In the embodiment of the application, a resource allocation tree is constructed according to the current information to be questioned, and the method specifically comprises the following steps:
s210, taking the current date as a root node, and sequentially adding the case number as a child node of the root node.
S220, taking each case number as a father node, taking the identity information of the inquired information as a child node of the father node in turn, and marking the child node as a leaf node.
S2300, the hierarchical structure formed by the root node, each parent node and all leaf nodes is denoted as a resource allocation tree.
Because more than one case to be asked is possible, considering uniform allocation of all resources, the time period can be used as a summary basis, namely, the current date is used as a root node, then the case numbers are sequentially added as sub-nodes of the root node, new cases needing to be asked are added subsequently, and the cases can also be directly added as sub-nodes, so that all the cases requiring to be asked on the current date can be represented, besides being used for allocating the asking resources, the case information can be conveniently summarized and collated, and certainly, the possible cases are considered to be longer in asking period, for example, asking can be continuously conducted for a plurality of days, and in this case, the tree can be adjusted by pruning and splicing subsequently.
Then consider that a single question case may have multiple question persons, so each case number may be used as a father node, the information of the question persons may be used as child nodes of the father node in turn, and the question resource needs to be allocated when reaching the node. Finally, the hierarchy formed by the root node, each parent node, and all leaf nodes is a resource allocation tree.
S300, corresponding inquiry equipment is distributed according to the allocable sequence and the resource allocation tree.
After the resource allocation tree values are constructed, the corresponding interrogation devices may be allocated according to the allocable sequences.
In the embodiment of the present application, corresponding question equipment is allocated according to the allocable sequence and the resource allocation tree, referring to fig. 2, specifically including the following steps:
s310, respectively establishing mapping relations from leaf nodes to the allocable acquisition sequences and the allocable recording sequences through a preset method according to the allocable sequences.
And S320, traversing the resource distribution tree according to a layer sequence traversing mode, and sequentially distributing the audio and video acquisition equipment and the recording equipment to each leaf node according to the mapping relation.
S330, the allocated inquiry equipment is marked as a use state, and the allocable sequence is updated.
As the resource allocation tree can know that each leaf node is equivalent to a target to be allocated, namely, a question room (audio and video acquisition equipment) and a recording equipment are allocated for a question person, and in addition, the allocable acquisition sequences and the allocable recording sequences are respectively mentioned in the above, the mapping relation from the leaf node to the allocable acquisition sequences and the allocable recording sequences is firstly established respectively through a preset method.
The preset method mentioned here means that the allocation rule is set according to the total amount of the actual devices, in the embodiment of the present application, if a single question room is set to be configured with only one set of audio and video acquisition devices and each question room is also allocated with only one set of recording devices, the leaf nodes are in one-to-one relation with the allocable acquisition sequences and the allocable recording sequences, and under the condition that the question rooms have no difference or no special requirement, the mapping relation can be simply established according to the sequence order.
And then traversing the resource distribution tree according to a layer sequence traversing mode, sequentially distributing the audio and video acquisition equipment and the recording equipment to each leaf node according to the mapping relation, marking the distributed information inquiry equipment as a use state after the distribution is finished, and updating the distributed sequence so as to keep the information inquiry equipment in the distributed sequence in an idle state and participating in the distribution of resources at any time.
S400, after a question is asked, synchronously acquired audio and video data are acquired, and recording is carried out according to the acquired audio and video data.
After the resource allocation of the questioning device is carried out, that is, the questioning room is arranged for each questioned person and the recording device is allocated, the questioning person can start the questioning at the moment, corresponding data registration, such as confirming the identity information of the questioned person, registering the name of the questioned person, and the like, can enter the questioning, and at the same time, the audio and video acquisition device synchronously records the questioning.
In the process of asking for information, the audio and video acquisition equipment records the information in a same step and stores the information through NVR, but the obtained data can be directly recorded and also needs to be subjected to corresponding data processing, such as video recording and downloading, video data encoding and decoding, picture-in-picture synthesis, mirror image storage and the like, and then the data can be directly recorded.
In the embodiment, the audio and video data acquired synchronously are acquired, and the recording is performed according to the acquired audio and video data, specifically comprising the following steps:
s410, setting multiple threads according to the distributed inquiry equipment, and giving a preset time interval.
S420, synchronously acquired audio and video data are obtained in batches according to preset time intervals, and corresponding data processing is carried out to generate data to be recorded.
And S430, recording through the distributed recording equipment according to the data to be recorded.
Because the processing of the recorded audio and video data is implemented by means of the NVR device, the NVR device is configured in association with the audio and video acquisition devices in each question room through the switch, it can be understood that the NVR and the audio and video acquisition devices in each question room all have a transmission channel, which is equivalent to a video channel, so that the audio and video recording is performed.
So the acquired audio and video data is actually the recorded video downloaded from the corresponding video channel by means of NVR, and the video is processed correspondingly and then converted into data which can be directly recorded. However, the data is automatically downloaded, encoded and decoded or converted according to the video channel, and the whole operating system is understood to be the central control of the whole question-and-signal digital system.
When more devices participate in the question at the same time, although the recording and burning of the audio and video can be performed in a distributed manner, the middle process, that is, the data processing process, is generally processed in a centralized manner, and after all, a plurality of operating systems cannot be installed, so that the cost is too high. So in order to improve the efficiency of the intermediate data processing process, the data processing is performed in a multithreading manner.
Therefore, in the embodiment of the application, multiple threads are firstly set according to the distributed interrogation equipment, a preset time interval is given, then the synchronously acquired audio and video data are obtained in batches according to the preset time interval, corresponding data processing is carried out to generate the data to be recorded, and finally the data to be recorded can be recorded through the distributed recording equipment.
The multithreading is set according to the distributed information inquiry equipment, namely, the NVR equipment is actually divided according to video channels and then respectively processed, and the corresponding time interval is set so as to clear the completed data processing in the interval time, so that idle resources are released and the operation of the whole data processing process is accelerated. The method aims at improving the operation efficiency of the system, after all, the system is processed once, the data volume is large, and the consumed system resources are large, so that the efficiency of the whole data processing process is low, and the recording and burning of the question data are affected.
S500, monitoring is set for each question equipment, and when the working state of the question equipment is monitored to be changed, the assignable sequence is updated.
Because a series of questions such as when the inquiry is finished, when the inquiry can be started to be recorded, how to process if equipment failure occurs, etc. are required to be given corresponding attention, each question may face to reallocation or adjustment of resources.
Therefore, in the embodiment of the application, monitoring is also set for each question equipment, and when the working state of the question equipment is monitored to be changed, the allocable sequence is updated, so that the reallocation and adjustment of resources are led.
It should be noted that, the question equipment with monitoring is referred to herein as the question equipment in a use state, that is, the mentioned change of the working state is changed from the use state to an idle state or from the use state to a fault state, only two situations exist, and the two changes generate different signals, for example, normal closing may trigger a normal closing event, a normal closing signal may be generated, and when the equipment fails, a corresponding abnormal signal may be generated. The distinction is thus made by setting up a listener to carry out the corresponding processing for the changes of the two operating states, respectively.
The question equipment is divided into two types, namely an audio and video acquisition equipment and a burning equipment, and corresponding measures to be taken for changing the working states of the two types of equipment are also different, so that the working state changes of the two types of equipment can be respectively processed.
Specifically, when it is monitored that the working state of the interrogation device is changed, the allocable sequence is updated, see fig. 3, including the following steps:
s510, if the working state is changed, the question equipment is audio and video acquisition equipment.
S520, recording the size and the current time of the data acquired by the audio and video acquisition equipment.
And S530, if the audio and video acquisition equipment is closed due to the end of the normal question, adding a completion identifier to a leaf node where the audio and video acquisition equipment is located.
S540, recording the audio and video acquisition equipment as an idle state, and updating the allocable sequence.
S550, if the audio and video acquisition equipment is closed due to equipment failure, the audio and video acquisition equipment is marked as a failure state, and corresponding prompt information is generated;
s560, reassigning the audio and video acquisition equipment according to the assignable sequence.
In the embodiment of the application, if the question equipment with the changed working state is audio and video acquisition equipment, the question equipment is normally closed in two cases, namely, the question equipment is closed by a question staff after the question is ended, or the control equipment is closed by a control terminal after corresponding closing prompt information is received; another situation is interruption of audio and video collection due to equipment failure.
If the situation is the previous, namely the current question work of the question room where the audio and video acquisition equipment is located is ended, the recorded audio and video data is needed to be considered to be recorded at the moment, so that the acquired data size is recorded, reasonable allocation of the recording equipment is convenient, the current time is recorded as the question ending time, and the question starting time is recorded at the question starting time of course, so that the question time can be added into the associated question information of the current person to be asked, and the question progress of the whole case is convenient to be summarized and tidied. In addition, the audio and video acquisition equipment or the question room is changed from the use state to the idle state, and the question room can be put into the assignable sequence to participate in the allocation of the audio and video acquisition equipment at any time. In order to enable the resource allocation tree to reflect the progress of the current question work, a completion identifier is added to a leaf node where the audio and video acquisition equipment is located, so that the follow-up allocation adjustment of the recording equipment according to the question progress of each case is convenient.
If the situation is later, that is, the audio and video acquisition equipment fails to cause the acquisition of the question data to be interrupted, the audio and video equipment needs to be redistributed, that is, the question room needs to be redistributed, the audio and video acquisition equipment can be redistributed through the current distributable sequence at the moment, recorded data still remain before the question work of the examinee associated with the audio and video acquisition equipment is finished, recorded data are summarized together and then recorded, in addition, the audio and video acquisition equipment which is currently failed is recorded as a failure state, corresponding prompt information is generated to indicate that the equipment fails, and corresponding repair processing is needed.
The above description is directed to the processing after the working state of the audio and video collecting device is changed, and similarly, when the working state of the recording device is changed, the corresponding processing is performed.
Specifically, when it is monitored that the working state of the interrogation device is changed, the allocable sequence is updated, see fig. 4, and the method further includes the following steps:
s570, if the working state is changed, the question equipment is the recording equipment.
S580, if the working state of the recording device is changed due to the completion of the recording operation, the working state of the recording device is recorded as an idle state, and the allocable resource sequence is updated.
And S590, if the working state of the equipment is changed due to equipment failure, reallocating the recording equipment according to the allocable sequence.
In the embodiment of the application, if the interrogation device with the changed working state is a recording device, the interrogation device is normally closed, namely, after finishing the data to be recorded, the recording is finished, and if the recorded optical disc is full, the disc replacement is automatically carried out, so that the interrogation device is not involved in the change of the working state; another situation is that the recording operation is interrupted due to a failure of the recording apparatus.
If the situation is the former, that is, the recording operation of the recording device is normally finished, the working state of the recording device can be recorded as an idle state, and the allocatable resource sequence is updated, that is, the allocatable resource sequence is equivalent to being put into the allocatable resource sequence so as to participate in the allocation of the recording device at any time.
If the latter situation is the case, that is, the recording device fails, the recording operation is interrupted, in which case the recording device needs to be reassigned, so that the recording device is reassigned according to the current assignable sequence. In addition, since the recording work is generally difficult to re-record after interruption, and the content of a questioned person is recorded in a disc as much as possible, even the content of a case is recorded with as little optical disc as possible according to the data size of the questioned recording. Therefore, when the recording device is broken due to the fault, it is difficult to reserve the recorded portion, that is, the recorded data needs to be recorded again after the recording device is replaced.
S600, the distribution of the inquiry equipment is carried out again based on the resource distribution tree and the updated assignable sequence.
In the embodiment of the present application, as described in the foregoing description, when the working state of the interrogation device is changed, it may be necessary to re-perform resource allocation adjustment, and correspondingly, the allocable sequence is updated according to the change of the interrogation device, and then allocation of the interrogation device is re-performed based on the resource allocation tree and the updated allocable sequence.
In addition, when the inquiry equipment is distributed to each leaf node at the beginning, the deficiency of the inquiry equipment can occur, and the existing leaf nodes can not be distributed to the inquiry equipment, namely, excessive people which need inquiry at the same time can only be queued, so that the distribution of the equipment can be timely arranged when the equipment in an idle state is newly added.
As the above description indicates that after the question recording operation corresponding to the audio and video collecting device is finished, a finishing identifier is added to the leaf node where the audio and video collecting device is located so as to start the recording operation, the identifier added here is also equivalent to a signal to indicate that the question recording operation of a person to be asked is finished, and whether the recording operation can be performed can be confirmed.
Specifically, referring to fig. 5, after adding the completion identifier to the leaf node where the audio and video acquisition device is located, the method further includes the following steps:
s710, confirming the parent node corresponding to the leaf node with the added identification based on the resource allocation tree.
S720, judging whether all leaf nodes under the father node are added with the completion identification.
And S730, if all the leaf nodes under the father node are added with the completion identification, grouping the collected data associated with the leaf nodes through the preset optical disc capacity to generate a data set to be recorded.
And S740, adjusting the mapping relation from the leaf node to the allocated recording equipment according to the data set to be recorded, and reallocating the recording equipment according to the adjusted mapping relation to record.
And S750, if all the leaf nodes under the father node are not added with the finishing mark, sequentially judging whether the data size acquired by the audio and video acquisition equipment associated with the leaf node added with the finishing mark reaches the preset optical disc capacity.
And 760, if so, directly recording by the recording equipment associated with the leaf node.
Because, in the resource allocation tree, the leaf nodes correspond to the identity information of the inquired personnel, and the father nodes correspond to the case numbers, it is considered that a certain case may have a plurality of inquired personnel participating in inquiry at the same time, that is, the father node corresponding to the case has a plurality of leaf nodes.
Therefore, after the completion identifier is added to a certain leaf node, it is further determined whether all the leaf nodes under the parent node have the completion identifier added, if all the leaf nodes under the parent node have the completion identifier added, it is indicated that all the cases corresponding to the parent node have completed the question, and at this time, it is determined that the recording is to be performed, and then it is necessary to consider how to allocate the recording device for the recording.
Considering that as few optical discs as possible are used to carry the question content of the same case, the method will
And grouping the collected data associated with all leaf nodes under the father node through the preset optical disc capacity to generate a data set to be recorded. For example, the leaf nodes under the father node are respectively denoted as A1, A2 and A3, and the associated collected data sizes are respectively equal to 50%, 80% and 15% of the total capacity of the optical disc, so that A1 and A3 can be used as a group, A2 and A3 can be used as a group, A1 can be used as a group, after grouping, corresponding data to be recorded can be generated, a data set to be recorded can be generated according to the grouping result, and recording equipment can be allocated according to the data set to be recorded for recording.
Since the recording devices are allocated to each leaf node in advance according to the set mapping relation, if the distribution is performed one-to-one, redundant recording devices may occur due to grouping at the moment, the pre-allocated recording devices are adjusted, that is, the mapping relation from the leaf node to the allocated recording device is adjusted according to the data set to be recorded, and the recording devices are reallocated according to the adjusted mapping relation to perform recording.
If all the leaf nodes under the father node are not added with the finishing mark, judging whether the size of the data acquired by the audio and video acquisition equipment associated with the leaf node added with the finishing mark reaches the preset optical disk capacity in sequence, if the acquired data associated with the leaf node added with the finishing mark reaches the optical disk capacity, directly recording by the recording equipment associated with the leaf node at that time, and reserving the rest part after the recording is finished to acquire the brother node (other leaf nodes under the same father node), and then considering whether packet recording is needed or not. If only one leaf node is arranged under the father node, the writing is directly carried out, and the writing is continuously carried out after the disk is full until the writing is completed.
When the content of the questioning message is recorded, key information of the questioning message, such as the identity information of the questioned message, the case name, the case number, the starting time and the ending time of the questioning message, is usually collected first to manufacture the cover of the questioning message CD, so that the cover is convenient to classify and store and is also convenient to take at any time.
Therefore, in the embodiment of the present application, after recording according to the collected audio/video data, the method further includes the following steps:
s810, confirming a leaf node associated with the current burning device.
S820, confirming path information of the leaf nodes based on the resource allocation tree.
S830, confirming the question start time and the end time based on the data acquired by the audio and video acquisition equipment associated with the leaf nodes.
S840, generating the cover information of the question CD according to the question start time, the question end time and the question path information.
Because the resource allocation tree is constructed based on the question information, the question information comprises the case name, the case number and the identity information of the person to be asked, and the corresponding starting time and ending time, namely the question starting time and the question ending time, can be recorded through the associated acquisition equipment when the question is started and ended. Therefore, for the current equipment to be recorded, firstly, by confirming the associated leaf node, the path information of the leaf node can be confirmed according to the resource distribution tree, the path information corresponds to the identity information, the case name and the case number of the inquired person, and the inquiry optical disc cover information can be generated by combining the inquiry starting time and the inquiry ending time so as to print the inquiry optical disc cover according to the inquiry optical disc cover information.
The embodiment of the application also provides a system for recording the question synchronous audio and video, which is shown in fig. 6, and comprises the following steps: an allocation sequence generation module 101, a resource allocation tree construction module 102, a resource allocation module 103, an allocation sequence update module 104, and a resource reallocation module 105.
The allocation sequence generating module 101 is configured to number and identify all the question devices, and generate an allocable sequence according to the current working states of all the question devices.
The resource allocation tree construction module 102 is configured to obtain current information to be queried, and construct a resource allocation tree according to the current information to be queried.
The resource allocation module 103 is configured to allocate corresponding query devices according to the allocable sequence and the resource allocation tree.
And the distribution sequence updating module 104 is used for acquiring the synchronously acquired audio and video data after the inquiry is started, recording according to the acquired audio and video data, then setting monitoring for each inquiry device, and updating the distribution sequence when the working state of the inquiry device is monitored to be changed.
The resource reassignment module 105 is configured to reassign the interrogation device based on the resource assignment tree and the updated assignable sequence.
In the embodiment of the present application, the allocation sequence generating module 101 is specifically configured to number and identify all the question devices, and generate an allocable sequence according to the current working states of all the question devices.
The resource allocation tree construction module 102 is specifically configured to obtain current information to be queried, and sequentially determine a root node, a parent node, and a leaf node according to the current information to be queried, thereby forming a resource allocation tree.
The resource allocation module 103 is specifically configured to sequentially allocate the audio and video acquisition device and the recording device by traversing leaf nodes of the resource allocation tree according to the allocable sequence and the resource allocation tree.
The distribution sequence updating module 104 is specifically configured to acquire audio and video data acquired synchronously after a question is started, perform recording according to the acquired audio and video data, set monitoring on each question equipment, and update the allocable sequence when the working state of the question equipment is monitored to be changed.
The resource reassignment module 105 is specifically configured to reassign the interrogation device based on the resource assignment tree and the updated assignable sequence when the assignable sequence changes in update or when a device fails.
The embodiment of the application also provides a computer readable storage medium which stores a computer program capable of being loaded by a processor and executing any one of the question synchronous audio/video recording methods.
The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes according to the principles of the present application should be covered by the scope of the present application.
Claims (8)
1. A method for recording question synchronous audio and video is characterized by comprising the following steps:
numbering and identifying all the question equipment, and generating an assignable sequence according to the working state of all the question equipment at present;
acquiring current information to be asked, and constructing a resource allocation tree according to the current information to be asked;
the question information comprises a case name, a case number and information of the person to be asked, and the construction of a resource allocation tree according to the current information to be asked comprises the following steps:
taking the current date as a root node, and sequentially adding the case number as a child node of the root node;
sequentially adding the identity information of the inquired information person as child nodes of the associated parent node by taking each case number as the parent node, and marking the child nodes as leaf nodes;
the hierarchical structure formed by the root node, each father node and all leaf nodes is recorded as a resource allocation tree;
distributing corresponding inquiry equipment according to the allocable sequence and the resource distribution tree;
the allocable sequence comprises an allocable acquisition sequence and an allocable recording sequence, and the corresponding question equipment is allocated according to the allocable sequence and the resource allocation tree, and the method comprises the following steps:
respectively establishing mapping relations from leaf nodes to the allocable acquisition sequences and the allocable recording sequences through a preset method according to the allocable sequences;
traversing the resource distribution tree according to a layer sequence traversing mode, and distributing audio and video acquisition equipment and recording equipment to each leaf node in sequence according to the mapping relation;
recording the allocated inquiry equipment as a use state and updating an allocable sequence;
after the inquiry is started, synchronously acquired audio and video data are acquired, and recording is carried out according to the acquired audio and video data;
monitoring is set for each question equipment, and when the working state of the question equipment is monitored to be changed, the assignable sequence is updated;
and re-distributing the inquiry equipment based on the resource distribution tree and the updated assignable sequence.
2. The method for synchronously recording audio and video with question information according to claim 1, wherein the question information equipment comprises an audio and video acquisition device and a recording device, the method for acquiring the synchronously acquired audio and video data and recording according to the acquired audio and video data comprises the following steps:
setting multiple threads according to the distributed audio and video acquisition equipment, and giving a preset time interval;
synchronously acquired audio and video data are obtained in batches according to preset time intervals, and corresponding data processing is carried out to generate data to be recorded;
and recording according to the data to be recorded by using the distributed recording equipment.
3. The method for recording question-and-answer synchronous audio and video according to claim 1, wherein the working states include a use state, an idle state and a fault state, and the updating the assignable sequence when the working state of the question equipment is monitored to be changed comprises:
if the working state of the query equipment is changed, the query equipment is audio and video acquisition equipment;
recording the size and the current time of the data acquired by the audio and video acquisition equipment;
if the audio and video acquisition equipment is closed due to the end of the normal question mark, adding a completion mark to a leaf node where the audio and video acquisition equipment is located;
recording the audio and video acquisition equipment as an idle state, and updating an assignable sequence;
if the equipment failure causes the closing of the audio and video acquisition equipment, the audio and video acquisition equipment is marked as a failure state, and corresponding prompt information is generated;
and reassigning the audio and video acquisition equipment according to the assignable sequence.
4. The method for recording question-and-answer synchronous audio and video according to claim 1, wherein updating the assignable sequence when the change of the operating state of the question equipment is monitored comprises:
if the working state is changed, the information asking device is a burning device;
if the working state of the recording equipment is changed due to the completion of the recording work, the working state of the recording equipment is recorded as an idle state, and the allocable resource sequence is updated;
if the working state of the equipment is changed due to equipment failure, the recording equipment is redistributed according to the allocable sequence.
5. The method for recording question and information synchronous audio and video according to claim 3, wherein after adding the completion identifier to the leaf node where the audio and video acquisition device is located, the method further comprises:
confirming a father node corresponding to the leaf node with the added identification based on the resource allocation tree;
judging whether all leaf nodes under the father node are added with the completion identification;
if yes, grouping the collected data associated with the leaf nodes through a preset optical disc capacity to generate a data set to be recorded;
according to the data set to be recorded, adjusting the mapping relation from the leaf node to the allocated recording equipment, and reallocating the recording equipment according to the adjusted mapping relation to record;
if not, sequentially judging whether the data size acquired by the audio and video acquisition equipment associated with the leaf node added with the finished mark reaches the preset optical disc capacity,
if so, directly recording by the associated recording equipment of the leaf node.
6. The method for recording question-and-message synchronous audio and video according to claim 1, further comprising, after recording according to the collected audio and video data:
confirming a leaf node associated with the current recording equipment;
confirming path information of leaf nodes based on a resource allocation tree;
confirming the question start time and the end time based on the data acquired by the audio and video acquisition equipment associated with the leaf nodes;
and generating cover information of the inquiry optical disc according to the inquiry starting time, the inquiry ending time and the path information.
7. A question synchronous audio and video recording system is characterized by comprising:
the distribution sequence generation module (101) is used for numbering and identifying all the question equipment and generating an allocable sequence according to the working state of all the question equipment at present;
the resource allocation tree construction module (102) is configured to obtain current information to be questioned, and construct a resource allocation tree according to the current information to be questioned, where the information to be questioned includes a case name, a case number, and information about the identity of the questioned person, and the constructing the resource allocation tree according to the current information to be questioned includes:
taking the current date as a root node, and sequentially adding the case number as a child node of the root node;
sequentially adding the identity information of the inquired information person as child nodes of the associated parent node by taking each case number as the parent node, and marking the child nodes as leaf nodes;
the hierarchical structure formed by the root node, each father node and all leaf nodes is recorded as a resource allocation tree;
a resource allocation module (103) configured to allocate corresponding question equipment according to an allocable sequence and a resource allocation tree, where the allocable sequence includes an allocable acquisition sequence and an allocable recording sequence, and allocate corresponding question equipment according to the allocable sequence and the resource allocation tree, and include:
respectively establishing mapping relations from leaf nodes to the allocable acquisition sequences and the allocable recording sequences through a preset method according to the allocable sequences;
traversing the resource distribution tree according to a layer sequence traversing mode, and distributing audio and video acquisition equipment and recording equipment to each leaf node in sequence according to the mapping relation;
recording the allocated inquiry equipment as a use state and updating an allocable sequence;
the distribution sequence updating module (104) is used for acquiring audio and video data acquired synchronously after the inquiry is started, recording according to the acquired audio and video data, then setting monitoring for each inquiry device, and updating the distribution sequence when the working state of the inquiry device is monitored to be changed;
and the resource reallocation module (105) is used for reallocating the interrogation equipment based on the resource allocation tree and the updated allocable sequence.
8. A computer readable storage medium storing a computer program loadable by a processor and performing a method of question-mark-time synchronous audio-video recording as claimed in any one of claims 1 to 6.
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