CN111372026B - Method for acquiring video data - Google Patents
Method for acquiring video data Download PDFInfo
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- CN111372026B CN111372026B CN202010225724.1A CN202010225724A CN111372026B CN 111372026 B CN111372026 B CN 111372026B CN 202010225724 A CN202010225724 A CN 202010225724A CN 111372026 B CN111372026 B CN 111372026B
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- video data
- mobile terminal
- data packet
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
- H04N21/2541—Rights Management
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/27—Server based end-user applications
- H04N21/274—Storing end-user multimedia data in response to end-user request, e.g. network recorder
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
Abstract
The invention provides a method for acquiring video data, which is applied to a mobile terminal, first equipment and second equipment, wherein the equipment applied to the mobile terminal comprises the following steps: controlling first equipment to acquire a video in real time; receiving a video data file acquired by the first equipment in real time, and packaging the video data file into a video data packet; and transmitting the video data packet to at least one second device according to a preset transmission mode. The first equipment and the mobile terminal are arranged separately, so that the hands of a user are liberated; meanwhile, the acquired video is transmitted to the second equipment through the mobile terminal, so that the storage requirement on the mobile terminal is reduced. Furthermore, the user can share the video in real time conveniently.
Description
Technical Field
The invention relates to the technical field of video acquisition, in particular to a method for acquiring video data.
Background
In the prior art, people generally use mobile devices to take pictures to obtain videos, so that the demand on the memories of the mobile devices is increasing, and meanwhile, the demand on the pixels of the pictures and the videos is also increasing, so that the demand on the memories of the mobile devices is further increased; furthermore, the need to maintain brightness of the screen when using a mobile device to take a picture or video places demands on the amount of battery power supplied; thirdly, when a photo or video is taken using the mobile device, the user is required to maintain a certain posture so that the camera of the mobile device can cover the area that the user wants to take; fourth, users cannot share with others in real time when taking photos or videos through mobile devices.
The method for acquiring video data in the prior art cannot meet the requirements of users.
The above background disclosure is only for the purpose of assisting understanding of the concept and technical solution of the present invention and does not necessarily belong to the prior art of the present patent application, and should not be used for evaluating the novelty and inventive step of the present application in the case that there is no clear evidence that the above content is disclosed at the filing date of the present patent application.
Disclosure of Invention
The present invention provides a method for acquiring video data to solve the existing problems.
In order to solve the above problems, the technical solution adopted by the present invention is as follows:
a method for obtaining video data is applied to a mobile terminal and comprises the following steps: s1: controlling first equipment to acquire a video in real time; s2: receiving a video data file acquired by the first equipment in real time, and packaging the video data file into a video data packet; s3: and transmitting the video data packet to at least one second device according to a preset transmission mode.
Preferably, step S3 is preceded by: processing the video data packet, wherein the processing comprises adding information to an image frame of the video data; the information includes date, time, and geographic location.
Preferably, the transmission mode includes: a transmission time and a transmission path, the transmission time including a real-time transmission or a delayed transmission.
Preferably, the video data packet is transmitted to at least one second device according to a preset transmission mode: transmitting the video data packet to at least one remote storage device in real time or in a delayed manner through a first transmission path, wherein the remote storage device is used for storing the video data packet; transmitting the video data packet to at least one video playing device in real time or delaying the transmission of the video data packet to the second transmission path, wherein the video playing device is used for playing the video data packet in real time; and transmitting the video data packet to at least one second device in real time or in a delayed manner through a third transmission path, wherein the second device is used for playing and storing the video data packet in real time.
Preferably, the method further comprises the following steps: comparing the real-time image in the video data file received in real time with a target image, and executing at least one of the following operations according to the comparison result: sending out a reminder; marking the frame where the real-time image is located; and sending the frame of the real-time image to a preset third device in real time.
Preferably, the method further comprises the following steps: and naming the video data packet according to a preset naming rule.
Preferably, the method further comprises the following steps: s4: and the video data packet of the second device is obtained according to the authority.
Preferably, the first device is a camera, and the camera is connected with the mobile terminal in a wired or wireless connection manner; the mobile terminal is in wireless connection with the second device.
The invention also provides a method for acquiring video data, which is applied to the first equipment and comprises the following steps: receiving an instruction of a mobile terminal; and acquiring a video in real time according to the instruction.
The invention further provides a method for acquiring video data, which is applied to second equipment and comprises the following steps: receiving a video data packet transmitted by the mobile terminal, and storing or playing the video data packet; and receiving a request of the mobile terminal, checking the authority of the mobile terminal, and providing the corresponding video data packet according to the authority.
The invention has the beneficial effects that: the method for acquiring the video data is provided, wherein the first equipment and the mobile terminal are separately arranged, so that the hands of a user are liberated; meanwhile, the acquired video is transmitted to the second equipment through the mobile terminal, so that the storage requirement on the mobile terminal is reduced. Furthermore, the video sharing method is convenient for users to share the video in real time.
Drawings
Fig. 1 is a schematic diagram of a first method for acquiring video data according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a second method for acquiring video data according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a third method for acquiring video data according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a fourth method for acquiring video data according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of a fifth method for acquiring video data according to an embodiment of the present invention.
Fig. 6 is a schematic diagram of a sixth method for acquiring video data according to an embodiment of the present invention.
Fig. 7 is a schematic diagram of a system for acquiring video data according to an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the embodiments of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. In addition, the connection may be for either a fixing or a circuit communication.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the embodiments of the present invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be in any way limiting of the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.
As shown in fig. 1, the present invention provides a method for acquiring video data, which is applied to a mobile terminal and includes the following steps:
s1: controlling first equipment to acquire a video in real time;
s2: receiving a video data file acquired by the first equipment in real time, and packaging the video data file into a video data packet;
s3: and transmitting the video data packet to at least one second device according to a preset transmission mode.
In one embodiment of the invention, the first device is a camera, and the camera is connected with the mobile terminal in a wired or wireless mode. The camera can be fixed at a certain position of a user, for example, clamped on clothes, so that the camera is convenient for the user to carry. When the camera is in wired connection with the mobile terminal, no additional power supply equipment is needed, and only a small current needs to be provided by the mobile terminal; when the camera is wirelessly connected with the mobile terminal, the camera can be pre-charged or the camera itself has a battery. The camera may be charged by wire or wirelessly. When the camera is wirelessly connected with the mobile terminal, the camera can be connected through Bluetooth, WIFI or 2.4G, and it can be understood that the camera and the mobile terminal are both used by a user within a certain distance range regardless of wired connection or wireless connection between the camera and the mobile terminal. The first equipment at the position adopts the idea of being separated from the mobile terminal, is controlled by the mobile terminal, liberates the hands of a user, and can fix the small first equipment to obtain the video.
The mobile terminal is wirelessly connected with the second device. The mobile terminal of the present invention runs a client program for implementing the present invention, where the client program is an APP, a wechat applet or a pay baby applet, and the mobile terminal is also called User Equipment (UE). Such as a handheld device, a vehicle-mounted device, etc., having a wireless connection function. Common terminals include, for example: a mobile phone, a tablet computer, a notebook computer, a palm computer, a Mobile Internet Device (MID), a wearable device, and the like. The mobile terminal can control the camera through the processor. In order to save the electric quantity of the mobile terminal, the client program can be awakened through voice or Bluetooth under the condition that the mobile terminal is not awakened, namely the mobile terminal is in a black screen state. The second device is used for transferring the storage pressure of the mobile terminal and facilitating the sharing of the video by the user.
In one embodiment of the invention, the mobile terminal transmits the video data packet to at least one remote storage device through a first transmission path in real time or with a preset delay time, and the remote storage device is used for storing the video data packet. In an embodiment of the present invention, the remote storage device may be a cloud, and the cloud includes a server, a server cluster, a dedicated router, a wireless modem, or a relay station. Other forms of remote storage are possible. Specifically, when the mobile terminal transmits the video data packet to the remote storage device for storage in real time, the specific transmission mode may be transmission through a mobile signal of the mobile terminal, such as 4G or 5G, or wifi transmission. Therefore, the mobile terminal can send the video data packet which is not urgent to the far-end storage device after delaying; transmission of urgent video data packets is performed. Other users can download the video data packet through the permission cloud end storage device. The authority is set by a user of the mobile terminal during uploading, for example, by establishing an access authority list, other users in the authority list can access the authority list, or an access password is generated, and the access password can be a two-dimensional code or a character string which is sent to other users who want to share the authority list, or any authority is not set for all users to access. The remote storage device may also be a mobile terminal of another user, such as a mobile phone, a computer, etc. Namely, the user who obtains the video is the first user, the first user obtains the video through the first device of the invention, and the video data packet is transmitted to the mobile terminal of at least one second user through the first mobile terminal. The second mobile terminal may store and/or play the video data packets. When the second device includes more than one second device, the area in which each second device is located may be the same or different. Such as the user of the first device being in city a and the users of the second device being in B, C cities, respectively. The first equipment and the second equipment have a certain physical distance in the using place; the second devices may be in the same location or in different locations.
As shown in fig. 2, the method of the present invention needs to include the following steps before step S1:
the first mobile terminal and at least one second mobile terminal establish a corresponding relationship.
And the first user sends the video data packet to the second user in real time or after a delay through the corresponding relation.
In another embodiment of the present invention, the mobile terminal transmits the video data packet to at least one video playing device in real time or in a delayed manner through the second transmission path, and the video playing device is configured to play the video data packet in real time. The transmission method is as described above, and is not described herein again. The video playing device can acquire the video data of the camera through the mobile terminal in real time. The video playing device can receive and play video data packets at the same time.
In still another embodiment of the present invention, the mobile terminal transmits the video data packet to at least one of the second devices in real time or in a delayed manner through the third transmission path, and the second device is configured to play and store the video data packet in real time. The transmission method is as described above, and is not described herein again. The second device can acquire the video data of the camera through the mobile terminal in real time and store the video data packet. The video playing devices can receive and play video data packets simultaneously.
As shown in fig. 3, in another embodiment of the present invention, step S3 is preceded by:
processing the video data packet, wherein the processing comprises adding information to an image frame of the video data;
the information includes date, time, and geographic location.
In the invention, a user can preset a transmission mode, and the transmission mode comprises the following steps: the transmission time comprises real-time transmission or transmission with preset delay time. The user can also set the transmission mode one by one for the specific video data packet. The mobile terminal transmits the video data packet to the second device according to the preset transmission mode, which is specifically described above.
In another embodiment of the present invention, the method further comprises:
comparing the real-time image in the video data file received in real time with a target image, and executing at least one of the following operations according to the comparison result:
sending out a reminder;
marking the frame where the real-time image is located;
and sending the frame of the real-time image to a preset third device in real time.
Specifically, when a user is used for searching for a person or an object, a picture of the person or the object can be stored as a target image in advance, then the video is obtained by using the method of the invention, the mobile terminal is used for comparing a real-time image in the video with the target image, and when the target image is found in the video, a voice prompt or a text prompt can be sent; and marking the frame of the real-time image containing the target image, wherein the specific presentation form can mark the target image in the real-time image through lines, or the real-time image and the target image are integrated in a picture and arranged left and right or up and down. In another embodiment of the present invention, a video may be formed by capturing a front frame and a rear frame including the target image, and the video may be sent to the third device. The third device may be one of the second devices described above, or may be another device such as a security device. At this time, the method of the present invention can be used to help find a target person or thing. When the third device is different from the second device, it may be transmitted to the third device and the second device simultaneously or separately.
In another embodiment of the present invention, the method further comprises:
and naming the video data packet according to a preset naming rule.
The naming rule can be set by itself or can be set according to the existing rule, such as date + time, and the naming system can be completed by itself. Or the user names himself according to the video content.
As shown in fig. 4, the method further includes:
s4: and the video data packet of the second device is obtained according to the authority.
As shown above, the video data packet uploaded by the user may have access rights, and the rights may also be set hierarchically, such as viewing online, or may be downloaded, and shared to different users according to different rights.
As shown in fig. 5, the present invention further provides a method for acquiring video data, applied to a first device, including the following steps:
receiving an instruction of a mobile terminal;
and acquiring a video in real time according to the instruction.
As shown in fig. 6, the present invention further provides a method for acquiring video data, applied to a second device, including the following steps:
receiving a video data packet transmitted by the mobile terminal, and storing or playing the video data packet;
and receiving a request of the mobile terminal, checking the authority of the mobile terminal, and providing the corresponding video data packet according to the authority.
As shown in fig. 7, the present invention further provides a system for acquiring video data, including:
a first device for implementing the method as shown in figure 5;
a mobile terminal for implementing the method as shown in fig. 1-4 above;
a second device for implementing the method as shown in fig. 6.
Fig. 7 is merely exemplary, and system hardware may be adapted according to the above method, for example, to include a third device or other device for implementing the method of the present invention.
In a specific embodiment, the user carries the first device and fixes the first device on the body or other places by using the system of the present invention, and wakes up the client program of the mobile terminal by sound or bluetooth, and the mobile terminal is in a state of waking up or not waking up at this time. Then, the user can obtain the video in real time through the first device, for example, the user can go to a scenic spot, and then the video data packet is transmitted to the second device in real time through the mobile terminal, and the second device can store or play the video data packet in real time to synchronously browse the scenic spots. Moreover, the user also needs to keep a fixed posture, and the action of the user is not influenced.
In another embodiment of the invention, the user can also use the system of the invention to search for the target person or object, and the searched target person or object can be sent to the security system in time. Or the user only intends to go out and does not want to find a specific person or object, but target images such as lost children or old people can be uniformly preset in the system. Such system settings may be set based on the user's permissions.
When the old or the children go out or are at home alone, the method and the system of the invention can enable the family to know the condition of the old or the children in real time, and are convenient for providing help in time. The camera that is different from the installation at home, the video of certain angle is acquireed to intelligence, has the video dead angle, can not know old man or children's the condition comprehensively. When the user walks at night and takes taxi alone, the system can be selected to use, so that family and friends can know the condition of the user at any time, and help can be provided in time if danger is met.
An embodiment of the present application further provides a control apparatus, including a processor and a storage medium for storing a computer program; wherein a processor is adapted to perform at least the method as described above when executing the computer program.
Embodiments of the present application also provide a storage medium for storing a computer program, which when executed performs at least the method described above.
Embodiments of the present application further provide a processor, where the processor executes a computer program to perform at least the method described above.
The storage medium may be implemented by any type of volatile or non-volatile storage device, or combination thereof. Among them, the nonvolatile Memory may be a Read Only Memory (ROM), a Programmable Read Only Memory (PROM), an erasable Programmable Read-Only Memory (EPROM), an electrically erasable Programmable Read-Only Memory (EEPROM), a magnetic random Access Memory (FRAM), a Flash Memory (Flash Memory), a magnetic surface Memory, an optical Disc, or a Compact Disc Read-Only Memory (CD-ROM); the magnetic surface storage may be disk storage or tape storage. Volatile Memory can be Random Access Memory (RAM), which acts as external cache Memory. By way of illustration, and not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), Synchronous Static Random Access Memory (SSRAM), Dynamic Random Access Memory (DRAM), Synchronous Dynamic Random Access Memory (SDRAM), Double Data Rate Synchronous Dynamic Random Access Memory (DDRSDRAM), Double Data rate Synchronous Dynamic Random Access Memory (ESDRAM), Enhanced Synchronous Dynamic Random Access Memory (ESDRAM, Enhanced Synchronous Random Access Memory), Synchronous link Dynamic Random Access Memory (SDRAM, Random Access Memory), Synchronous link Dynamic Random Access Memory (SLC, Synchronous Random Access Memory). The storage media described in connection with the embodiments of the invention are intended to comprise, without being limited to, these and any other suitable types of memory.
In the several embodiments provided in the present application, it should be understood that the disclosed system and method may be implemented in other ways. The above-described device embodiments are merely illustrative, for example, the division of the unit is only one logical function division, and there may be other division ways in actual implementation, such as: multiple units or components may be combined, or may be integrated into another system, or some features may be omitted, or not implemented. In addition, the coupling, direct coupling or communication connection between the components shown or discussed may be through some interfaces, and the indirect coupling or communication connection between the devices or units may be electrical, mechanical or other forms.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on a plurality of network units; some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, all the functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may be separately regarded as one unit, or two or more units may be integrated into one unit; the integrated unit may be implemented in the form of hardware, or in the form of hardware plus a software functional unit.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: a mobile storage device, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Alternatively, the integrated unit of the present invention may be stored in a computer-readable storage medium if it is implemented in the form of a software functional module and sold or used as a separate product. Based on such understanding, the technical solutions of the embodiments of the present invention may be essentially implemented or a part contributing to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the methods described in the embodiments of the present invention. And the aforementioned storage medium includes: a removable storage device, a ROM, a RAM, a magnetic or optical disk, or various other media that can store program code.
The methods disclosed in the several method embodiments provided in the present application may be combined arbitrarily without conflict to obtain new method embodiments.
Features disclosed in several of the product embodiments provided in the present application may be combined in any combination to yield new product embodiments without conflict.
The features disclosed in the several method or apparatus embodiments provided herein may be combined in any combination to arrive at a new method or apparatus embodiment without conflict.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several equivalent substitutions or obvious modifications can be made without departing from the spirit of the invention, and all the properties or uses are considered to be within the scope of the invention.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several equivalent substitutions or obvious modifications can be made without departing from the spirit of the invention, and all the properties or uses are considered to be within the scope of the invention.
Claims (10)
1. A method for acquiring video data is applied to a mobile terminal, and comprises the following steps:
s1: controlling first equipment to be fixed on a first user, and acquiring a video of an area where the first user is located in real time under the condition that the first equipment is fixed and the mobile terminal is not awakened; the first equipment and the mobile terminal are arranged separately and are used by the first user within a certain distance range, and a video of an area where the first user is located is obtained; the first device is a camera;
s2: receiving a video data file acquired by the first equipment in real time, processing the video data file and packaging the processed video data file into a video data packet;
s3: transmitting the video data packet to at least one second device according to a preset transmission mode; the second device is used for storing and/or playing the video data packet in real time.
2. The method for acquiring video data according to claim 1, wherein step S3 is preceded by the steps of:
processing the video data packet, wherein the processing comprises adding information to an image frame of the video data;
the information includes date, time, and geographic location.
3. The method of claim 1, wherein the transmission mode comprises: a transmission time and a transmission path, the transmission time including a real-time transmission or a delayed transmission.
4. The method of claim 3, wherein the video data packets are transmitted to at least one second device according to a preset transmission mode:
transmitting the video data packet to at least one remote storage device in real time or in a delayed manner through a first transmission path, wherein the remote storage device is used for storing the video data packet;
transmitting the video data packet to at least one video playing device in real time or delaying the transmission of the video data packet to the second transmission path, wherein the video playing device is used for playing the video data packet in real time;
and transmitting the video data packet to at least one second device in real time or in a delayed manner through a third transmission path, wherein the second device is used for playing and storing the video data packet in real time.
5. The method of acquiring video data according to any of claims 1-4, further comprising:
comparing a real-time image in the video data file received in real time with a target image, and executing at least one of the following operations according to a comparison result:
sending out a reminder;
marking the frame where the real-time image is located;
and sending the frame of the real-time image to a preset third device in real time.
6. The method of acquiring video data according to any of claims 1-4, further comprising:
and naming the video data packet according to a preset naming rule.
7. The method of acquiring video data according to any of claims 1-4, further comprising:
s4: and the video data packet of the second device is obtained according to the authority.
8. The method of acquiring video data according to any of claims 1-4, wherein the first device is a camera, the camera being connected to the mobile terminal in a wired or wireless connection;
the mobile terminal is in wireless connection with the second device.
9. A method for acquiring video data, applied to a first device, comprising the steps of:
receiving an instruction of the mobile terminal under the condition of not waking up the mobile terminal;
the video is obtained in real time according to the instruction, the first device is fixed on a first user to obtain the video of the area where the first user is located in real time, is arranged separately from the mobile terminal and is used by the first user within a certain distance range, and the video of the area where the first user is located is obtained; the first device is a camera;
transmitting a video data file to the mobile terminal, packaging the video data file into a video data packet by the mobile terminal, and transmitting the video data packet to at least one second device according to a preset transmission mode; the second device is used for storing and/or playing the video data packet in real time.
10. A method for acquiring video data, applied to a second device, comprising the steps of:
receiving a video data packet transmitted by the mobile terminal, and storing or playing the video data packet; the mobile terminal controls first equipment to obtain a video of an area where a first user is located in real time under the condition that the mobile terminal is not awakened; the first equipment is fixed on a first user, is separated from the mobile terminal and is used by the first user within a certain distance range, and a video of an area where the first user is located is obtained; the mobile terminal receives the video data file acquired by the first equipment in real time and packages the video data file into a video data packet; the first device is a camera;
and receiving a request of the mobile terminal, checking the authority of the mobile terminal, and providing the corresponding video data packet according to the authority.
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