CN104408109A - Alarm video recording method and device - Google Patents
Alarm video recording method and device Download PDFInfo
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- CN104408109A CN104408109A CN201410681450.1A CN201410681450A CN104408109A CN 104408109 A CN104408109 A CN 104408109A CN 201410681450 A CN201410681450 A CN 201410681450A CN 104408109 A CN104408109 A CN 104408109A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0629—Configuration or reconfiguration of storage systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0646—Horizontal data movement in storage systems, i.e. moving data in between storage devices or systems
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- Television Signal Processing For Recording (AREA)
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Abstract
The invention is applicable to the technical field of video recording, and provides an alarm video recording method and device. The method comprises the following steps: recording a pre-recorded video file in an alarm mode and storing the pre-recorded video file in a disk memory; when an alarm instruction is received, stopping recording of the pre-recorded video file and starting to record an alarm video file; at the end of recording of the alarm video file, storing the alarm video file in the disk memory and marking the pre-recorded video file as the alarm video file. The pre-recorded video file is stored in the disk memory to provide more storage space for the pre-recorded video file, so that more pre-recorded video files are obtained; the pre-recorded video file and the alarm video file are both stored in the disk memory, so that the copy of the pre-recorded video file stored in a memory in the prior art is avoided, the consumption of the system memory can be reduced, and further the operation efficiency of the system is improved.
Description
Technical field
The invention belongs to videoing skill field, particularly relate to a kind of video recording method for recording and device of reporting to the police.
Background technology
For follow-up, surveillance video, by recording the video information under the video information in each time period, particularly alarm condition, checks that alarm condition provides reference frame.Existing warning video recording method for recording mainly opens up a block cache at internal memory, for storing the video file prerecorded; And store alarms video recording in external memory storage, and the video file prerecorded to be copied in described external memory storage, and report to the police time of video recording of amendment is the time of video file of pre-recording.
But because Installed System Memory is limited, usually only have hundreds of MByte, therefore, the video file prerecorded that existing method obtains only has tens seconds usually; And owing to occupying the internal memory of system, cause the operating rate of system low.
Summary of the invention
Given this, the embodiment of the present invention is to provide a kind of video recording method for recording and device of reporting to the police, to obtain the operating rate of more pre-record video file and raising system.
First aspect, provide a kind of video recording method for recording of reporting to the police, described method comprises:
Under alarm mode, record video file of pre-recording, described video file of pre-recording is saved in magnetic disk memory;
When receiving alarm command, stopping recording pre-recording video file, and starting to record warning video file;
At the end of warning video file is recorded, described warning video file is saved in magnetic disk memory, and described video file of pre-recording is labeled as warning video file.
Further, described under alarm mode, record video file of pre-recording and comprise:
To pre-record video file according to the time interval loop recording preset;
To pre-record video file described in hiding.
Further, the described time interval loop recording video file of pre-recording according to presetting comprises:
Start to record video recording, the initial time that record is recorded;
Recording time often through default time interval, by the video recording boil down to video file recorded in the time interval, and records current recording time;
When the difference of recorded recording time maximal value and recording time minimum value is greater than the prefixed time interval of twice, delete the video file that recording time minimum value is corresponding, and delete described recording time minimum value, video file corresponding to described recording time maximal value is video file of pre-recording.
Further, described method also comprises:
Receiving the pattern switching command of user's input, be switched at normal mode from alarm mode;
In the normal mode, common video file is recorded;
When receiving alarm command, stopping recording common video file, and starting to record warning video file;
At the end of warning video file is recorded, described warning video file is saved in magnetic disk memory, and the common video file in the preset time range before alarm command is labeled as warning video file.
Further, when being switched to normal mode from alarm mode, described method also comprises:
The video file of pre-recording recorded under deleting alarm mode.
Second aspect, provide a kind of video recording record device of reporting to the police, described device comprises:.
Video Pre-recording module, under alarm mode, records video file of pre-recording, described video file of pre-recording is saved in magnetic disk memory;
Warning picture recording module, for when receiving alarm command, stopping recording pre-recording video file, and starting to record warning video file;
Memory module, at the end of recording at warning video file, is saved in magnetic disk memory by described warning video file, and described video file of pre-recording is labeled as warning video file.
Further, described Video Pre-recording module comprises:
Loop recording unit, for video file of pre-recording according to the time interval loop recording preset;
Hidden unit, to pre-record video file described in hiding.
Further, described loop recording unit specifically for:
Start to record video recording, the initial time that record is recorded;
Recording time often through default time interval, by the video recording boil down to video file recorded in the time interval, and records current recording time;
When the difference of recorded recording time maximal value and recording time minimum value is greater than the prefixed time interval of twice, delete the video file that recording time minimum value is corresponding, and delete described recording time minimum value, video file corresponding to described recording time maximal value is video file of pre-recording.
Further, described device also comprises:
Handover module, at the pattern switching command receiving user's input, is switched to normal mode from alarm mode;
In the normal mode, module of pre-recording described in also for: record common video file;
Described warning picture recording module also for: when receiving alarm command, stopping recording common video file, and starting to record warning video file;
Described memory module also for: warning video file record at the end of, described warning video file is saved in magnetic disk memory, and the common video file in the preset time range before alarm command is labeled as warning video file.
Further, described handover module also for:
The video file of pre-recording recorded under deleting alarm mode.
Compared with prior art, the embodiment of the present invention is by arranging magnetic disk memory; Under alarm mode, record video file of pre-recording, described video file of pre-recording is saved in magnetic disk memory; When receiving alarm command, stopping recording pre-recording video file, and starting to record warning video file; At the end of warning video file is recorded, described warning video file is saved in magnetic disk memory, and described video file of pre-recording is labeled as warning video file; Thus obtain and more to pre-record video file, and described in video file of pre-recording be saved in magnetic disk memory, the consumption to Installed System Memory can be reduced, further increase the efficiency of system cloud gray model.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the first realization flow figure of the warning video recording method for recording that the embodiment of the present invention one provides;
Fig. 2 is the second realization flow figure of the warning video recording method for recording that the embodiment of the present invention one provides;
Fig. 3 is the specific implementation process flow diagram of step S101 in the warning video recording method for recording that provides of the embodiment of the present invention two;
Fig. 4 is the composition structural drawing of the warning video recording record device that the embodiment of the present invention three provides.。
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The embodiment of the present invention, by arranging magnetic disk memory, under alarm mode, is recorded video file of pre-recording, described video file of pre-recording is saved in magnetic disk memory; When receiving alarm command, stopping recording pre-recording video file, and starting to record warning video file; At the end of warning video file is recorded, described warning video file is saved in magnetic disk memory, and described video file of pre-recording is labeled as warning video file; Thus obtain and more to pre-record video file, and described in video file of pre-recording be saved in magnetic disk memory, the consumption to Installed System Memory can be reduced, further increase the efficiency of system cloud gray model.The embodiment of the present invention additionally provides corresponding device, is described in detail respectively below.
embodiment one
Fig. 1 shows the first realization flow of the warning video recording method for recording that the embodiment of the present invention one provides; For convenience of explanation, illustrate only part related to the present invention.
As shown in Figure 1, described method comprises:
In step S101, under alarm mode, record video file of pre-recording, described video file of pre-recording is saved in magnetic disk memory.
Under alarm mode and the instruction that do not receive the report for police service, described video file at background record video file, and is labeled as video file of pre-recording by system.Described video file of pre-recording refer to alarm command arrive before record video file.Preferably, in embodiments of the present invention, pre-setting a time interval, to pre-record video file according to the time interval loop recording preset in backstage, and video file of pre-recording described in hiding.Therefore, under alarm mode, user checks less than described video file of pre-recording.Described video file of pre-recording stores with the form of video file, such as conventional H.264 compression of digital video form, and is saved in the magnetic disk memory that the embodiment of the present invention opens up.
Be take disk as the storer of storage medium due to magnetic disk memory, have that memory capacity is large, data transmission rate is high, store data and the feature such as can to preserve for a long time.Therefore, video file of pre-recording is saved in magnetic disk memory, can reduce the consumption of Installed System Memory, improves the speed of system cloud gray model, and can obtain the video file of pre-recording longer than tens second time, such as 15 minutes long video files of pre-recording.
Wherein, the pre-record step of video file of the described time interval loop recording according to presetting will be described in detail in subsequent embodiment, specifically refer to subsequent embodiment.
In step s 102, when receiving alarm command, stopping recording pre-recording video file, and starting to record warning video file.
Arrive if report to the police, when receiving alarm command, then stop background record pre-recording video file, and start to record warning video file, and remove the hidden file attribute of video file of pre-recording.Described warning video file refers to the video file recorded in time of fire alarming section after alarm command arrives.
In step s 103, at the end of warning video file is recorded, described warning video file is saved in magnetic disk memory, and described video file of pre-recording is labeled as warning video file.
In the present embodiment, after warning video recording terminates, described warning video file is saved in magnetic disk memory.Described magnetic disk memory can for the magnetic disk memory identical with storing video file of pre-recording.Video file of pre-recording is labeled as warning video file.
By by above-mentioned steps, when video file and warning video file are pre-recorded in storage, be all stored in magnetic disk memory, avoid the copy to the video file of pre-recording be kept in internal memory in existing method, the consumption of Installed System Memory can be reduced, improve the efficiency of system cloud gray model further.
Preferably, after warning video recording terminates, described method will return step S101, enter the recording of the video file of pre-recording of next round.
In embodiments of the present invention, magnetic disk memory is set; Under alarm mode, record video file of pre-recording, described video file of pre-recording is saved in magnetic disk memory; When receiving alarm command, stopping recording pre-recording video file, and starting to record warning video file; At the end of warning video file is recorded, described warning video file is saved in magnetic disk memory, and described video file of pre-recording is labeled as warning video file; Thus obtain and more to pre-record video file, and described in video file of pre-recording be saved in magnetic disk memory, the consumption to Installed System Memory can be reduced, further increase the efficiency of system cloud gray model.
Preferably, the embodiment of the present invention additionally provides the realization flow that video recording of reporting to the police in the normal mode is recorded, and is described below with Fig. 2 to warning video recording method for recording second realization flow.
In embodiments of the present invention, under alarm mode, the file attribute of the video file of pre-recording obtained is hidden file, user check less than, and in the normal mode, the video file of pre-recording of acquisition is visible.
As described in Figure 2, described method comprises:
In step s 201, when receiving the pattern switching command of user's input, normal mode is switched to from alarm mode.
In the present embodiment, user, by mode input pattern switching commands such as amendment mode parameters, realizes alarm mode and is switched to normal mode.When being switched to normal mode from alarm mode, the video file of pre-recording recorded under deleting alarm mode.
In step S202, in the normal mode, common video file is recorded.
Be in example in the present invention, the video file recorded in the normal mode is labeled as common video file, stores equally with the form of video file.Preferably, video heads, video data and frame index information is contained in described common video file.Wherein, user-defined information is stored in described video heads, such as Business Name, driver related information etc.; Described video data comprises frame head and frame data.Described common video file is preferably stored in magnetic disk memory.
In step S203, when receiving alarm command, stopping recording common video file, and starting to record warning video file.
In step S204, at the end of warning video file is recorded, described warning video file is saved in magnetic disk memory, and the common video file in the preset time range before alarm command is labeled as warning video file.
In the present embodiment, after warning video recording terminates, described warning video file is saved in magnetic disk memory, and the common video file intercepted from common video file from alarm command in preset time range forward, the described common video file from alarm command forward in preset time range of definition is video file of pre-recording; Described video file of pre-recording is labeled as warning video file.
Because the memory capacity of magnetic disk memory is large, therefore, the capacity being stored into the common video file in magnetic disk memory is large, therefrom can be truncated to the video file of pre-recording of longer time; And common video file and warning video file are all stored in magnetic disk memory, can reduce the consumption of Installed System Memory, improve the speed of system cloud gray model.
embodiment two
Fig. 3 shows the specific implementation flow process of step S101 in the warning video recording method for recording that the embodiment of the present invention one provides, and for convenience of explanation, illustrate only part related to the present invention.
As described in Figure 3, step S101 comprises:
In step S301, start to record video recording, the initial time that record is recorded.
In order to achieve loop recording, the embodiment of the present invention adopts recording time to record and records each time.Under alarm mode and when not receiving alarm command, background record video file, the attribute of described video file is hidden file, and the initial time that record is recorded.The initial time of described recording be first by the recording time of video file compressed.
In step s 302, recording time often through default time interval, by the video recording boil down to video file recorded in the time interval, and records current recording time.
The embodiment of the present invention by the video recording boil down to video file in each time interval, and records the initial recording time of described video file, is designated as recording time.Therefore, often compress a video file, and record current recording time, actual is the recording time recording next video file.
In step S303, when the difference of recorded recording time maximal value and recording time minimum value is greater than the prefixed time interval of twice, delete the video file that recording time minimum value is corresponding, and delete described recording time minimum value, video file corresponding to described recording time maximal value is video file of pre-recording.
In the present embodiment, if the recording time maximal value of record and the difference of recording time minimum value are greater than the prefixed time interval of twice, show to have compressed at least two video files.In order to reduce occupied disk space, improve the speed stored, the present invention is embodiment when the difference of recording time maximal value and recording time minimum value is greater than the prefixed time interval of twice, then video file corresponding for recording time minimum value is deleted, and remove described recording time minimum value.Video file corresponding to described recording time maximal value is video file of pre-recording.If also do not receive alarm command, then proceed loop recording.Follow-up video file of pre-recording covers video file of pre-recording above by the deletion scheme described in step S303.
Preferably, described prefixed time interval is preferably 15 minutes.
By above-mentioned steps, achieve and record according to the time interval of presetting video file of pre-recording under alarm mode.Video file before remaining alarm command within the scope of prefixed time interval, its disk space taken is few, therefore, it is possible to improve the memory rate of magnetic disk memory.
embodiment three
Fig. 4 shows the composition structure of the warning video recording record device that the embodiment of the present invention three provides, and for convenience of explanation, illustrate only part related to the present invention.
As shown in Figure 4, described device comprises:
Video Pre-recording module 41, under alarm mode, records video file of pre-recording, described video file of pre-recording is saved in magnetic disk memory.
Warning picture recording module 42, for when receiving alarm command, stopping recording pre-recording video file, and starting to record warning video file.
Memory module 43, at the end of recording at warning video file, is saved in magnetic disk memory by described warning video file, and described video file of pre-recording is labeled as warning video file.
Embodiment of the present invention video file of pre-recording is stored in magnetic disk memory, for video file of pre-recording provides more storage space, thus obtains video file of more pre-recording; And pre-record video file and warning video file are all stored in magnetic disk memory, avoid the copy to the video file of pre-recording be kept in internal memory in existing method, can reduce the consumption of Installed System Memory, improve the efficiency of system cloud gray model further.
Preferably, described Video Pre-recording module 41 also comprises:
Loop recording unit 411, for video file of pre-recording according to the time interval loop recording preset.
Hidden unit 412, to pre-record video file described in hiding.
Preferably, described loop recording unit 411 specifically for:
Start to record video recording, the initial time that record is recorded;
Recording time often through default time interval, by the video recording boil down to video file recorded in the time interval, and records current recording time;
When the difference of recorded recording time maximal value and recording time minimum value is greater than the prefixed time interval of twice, delete the video file that recording time minimum value is corresponding, and delete described recording time minimum value, video file corresponding to described recording time maximal value is video file of pre-recording.
By above-mentioned steps, achieve and record according to the time interval of presetting video file of pre-recording under alarm mode.Video file before remaining alarm command within the scope of prefixed time interval, its disk space taken is few, therefore, it is possible to improve the memory rate of magnetic disk memory.
Preferably, in embodiments of the present invention, under alarm mode, the file attribute of the video file of pre-recording obtained is hidden file, user check less than.In the normal mode, the video file of pre-recording of acquisition is visible.Therefore described device also comprises:
Handover module 44, at the pattern switching command receiving user's input, is switched to from alarm mode
Normal mode.
In the normal mode, module of pre-recording described in 41 also for: record common video file;
Described warning picture recording module 42 also for: when receiving alarm command, stopping recording common video file, and starting to record warning video file;
Described memory module 43 also for: warning video file record at the end of, described warning video file is saved in magnetic disk memory, and the common video file in the preset time range before alarm command is labeled as warning video file.
Preferably, described handover module 44 also for:
The video file of pre-recording recorded under deleting alarm mode.
It should be noted that, mobile terminal in the embodiment of the present invention may be used for the whole technical schemes realized in said method embodiment, the function of its each functional module can according to the method specific implementation in said method embodiment, its specific implementation process can refer to the associated description in above-described embodiment, repeats no more herein.
The embodiment of the present invention, by arranging magnetic disk memory, under alarm mode, is recorded video file of pre-recording, described video file of pre-recording is saved in magnetic disk memory; When receiving alarm command, stopping recording pre-recording video file, and starting to record warning video file; At the end of warning video file is recorded, described warning video file is saved in magnetic disk memory, and described video file of pre-recording is labeled as warning video file; Thus obtain and more to pre-record video file, and described in video file of pre-recording be saved in magnetic disk memory, the consumption to Installed System Memory can be reduced, further increase the efficiency of system cloud gray model.
Those of ordinary skill in the art it is also understood that, the all or part of step realized in above-described embodiment method is that the hardware that can carry out instruction relevant by program has come, described program can be stored in a computer read/write memory medium, described storage medium, comprises ROM/RAM, disk, CD etc.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention.Such as, modules is carry out dividing according to function logic, but is not limited to above-mentioned division, as long as can realize corresponding function; In addition, the concrete title of each functional module, also just for the ease of mutual differentiation, is not limited to protection scope of the present invention.
All any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a warning video recording method for recording, it is characterized in that, described method comprises:
Under alarm mode, record video file of pre-recording, described video file of pre-recording is saved in magnetic disk memory;
When receiving alarm command, stopping recording pre-recording video file, and starting to record warning video file;
At the end of warning video file is recorded, described warning video file is saved in magnetic disk memory, and described video file of pre-recording is labeled as warning video file.
2. video recording method for recording of reporting to the police as claimed in claim 1, is characterized in that, described under alarm mode, records video file of pre-recording and comprises:
To pre-record video file according to the time interval loop recording preset;
To pre-record video file described in hiding.
3. as claimed in claim 2 video recording method for recording of reporting to the police, is characterized in that, the described time interval loop recording according to presetting video file of pre-recording comprises:
Start to record video recording, the initial time that record is recorded;
Recording time often through default time interval, by the video recording boil down to video file recorded in the time interval, and records current recording time;
When the difference of recorded recording time maximal value and recording time minimum value is greater than the prefixed time interval of twice, delete the video file that recording time minimum value is corresponding, and delete described recording time minimum value, video file corresponding to described recording time maximal value is video file of pre-recording.
4. video recording method for recording of reporting to the police as claimed in claim 1, it is characterized in that, described method also comprises:
Receiving the pattern switching command of user's input, be switched at normal mode from alarm mode;
In the normal mode, common video file is recorded;
When receiving alarm command, stopping recording common video file, and starting to record warning video file;
At the end of warning video file is recorded, described warning video file is saved in magnetic disk memory, and the common video file in the preset time range before alarm command is labeled as warning video file.
5. video recording method for recording of reporting to the police as claimed in claim 4, it is characterized in that, when being switched to normal mode from alarm mode, described method also comprises:
The video file of pre-recording recorded under deleting alarm mode.
6. a warning video recording record device, it is characterized in that, described device comprises:
Video Pre-recording module, under alarm mode, records video file of pre-recording, described video file of pre-recording is saved in magnetic disk memory;
Warning picture recording module, for when receiving alarm command, stopping recording pre-recording video file, and starting to record warning video file;
Memory module, at the end of recording at warning video file, is saved in magnetic disk memory by described warning video file, and described video file of pre-recording is labeled as warning video file.
7. video recording record device of reporting to the police as claimed in claim 6, it is characterized in that, described Video Pre-recording module comprises:
Loop recording unit, for video file of pre-recording according to the time interval loop recording preset;
Hidden unit, to pre-record video file described in hiding.
8. as claimed in claim 7 video recording record device of reporting to the police, is characterized in that, described loop recording unit specifically for:
Start to record video recording, the initial time that record is recorded;
Recording time often through default time interval, by the video recording boil down to video file recorded in the time interval, and records current recording time;
When the difference of recorded recording time maximal value and recording time minimum value is greater than the prefixed time interval of twice, delete the video file that recording time minimum value is corresponding, and delete described recording time minimum value, video file corresponding to described recording time maximal value is video file of pre-recording.
9. video recording record device of reporting to the police as claimed in claim 6, it is characterized in that, described device also comprises:
Handover module, at the pattern switching command receiving user's input, is switched to normal mode from alarm mode;
In the normal mode, module of pre-recording described in also for: record common video file;
Described warning picture recording module also for: when receiving alarm command, stopping recording common video file, and starting to record warning video file;
Described memory module also for: warning video file record at the end of, described warning video file is saved in magnetic disk memory, and the common video file in the preset time range before alarm command is labeled as warning video file.
10. as claimed in claim 9 video recording record device of reporting to the police, is characterized in that, described handover module also for:
The video file of pre-recording recorded under deleting alarm mode.
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| CN105007442A (en) * | 2015-07-22 | 2015-10-28 | 深圳市万姓宗祠网络科技股份有限公司 | Marking method for continuously recording video and image |
| CN105141891A (en) * | 2015-08-04 | 2015-12-09 | 浙江宇视科技有限公司 | Alarm-ahead video caching method and device |
| CN107093436A (en) * | 2017-03-10 | 2017-08-25 | 青岛海信移动通信技术股份有限公司 | The storage method and device of the audio, video data pre-recorded, mobile terminal |
| CN107093436B (en) * | 2017-03-10 | 2020-02-04 | 青岛海信移动通信技术股份有限公司 | Prerecorded audio and video data storage method and device and mobile terminal |
| CN111405220A (en) * | 2019-09-30 | 2020-07-10 | 杭州海康威视系统技术有限公司 | Video prerecording method and cloud storage system |
| CN113127680A (en) * | 2019-12-30 | 2021-07-16 | Tcl新技术（惠州）有限公司 | Cross-network alarm correlation method, storage medium and system |
| CN111447473A (en) * | 2020-03-03 | 2020-07-24 | 深圳市天视通电子科技有限公司 | Alarm video processing method and system |
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