CN113824915B - Video picture acquisition method, apparatus and computer readable storage medium - Google Patents
Video picture acquisition method, apparatus and computer readable storage medium Download PDFInfo
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- 238000004891 communication Methods 0.000 claims abstract description 56
- 230000003993 interaction Effects 0.000 claims abstract description 26
- 238000004590 computer program Methods 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000001960 triggered effect Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 description 13
- 230000006870 function Effects 0.000 description 6
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
- H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1069—Session establishment or de-establishment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/80—Responding to QoS
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
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Abstract
A method of acquiring a video picture, comprising: before receiving an acquisition instruction of a video call message, establishing communication connection with a video equipment end through interaction with the video equipment end; establishing communication connection with the intelligent terminal through interaction with the intelligent terminal; and when an acquisition instruction of the video call message is received, forwarding the video stream to the intelligent terminal so as to display a video picture on the intelligent terminal. According to the technical scheme, communication connection with the video equipment and the intelligent terminal is established before the acquisition instruction of the video call message is received, so that when the acquisition instruction of the video call message triggered by a user through a user interface of the intelligent terminal is received, a video picture can be acquired almost immediately, and long waiting when the cloud server is in communication connection with the video equipment and the intelligent terminal is avoided.
Description
Technical Field
The present invention relates to the field of internet of things, and in particular, to a method, an apparatus, and a computer readable storage medium for acquiring a video picture.
Background
Message queue telemetry transport (Message Queuing Telemetry Transport, MQTT) protocol is a lightweight communication protocol based on publish and subscribe modes, and has been widely used in the field of video telephony and remote monitoring. In the above field, a scheme of combining a video conference and an MQTT is generally used at present, and video pictures are obtained by means of terminal streaming of a smart phone and the like and pushing of a video device. However, in the existing video picture acquisition method, from the time when a user sends a command for acquiring a video picture to the time when the video picture is finally acquired, the time is required to be long, and bad use experience is brought to the user.
Disclosure of Invention
The application provides a method, equipment and a computer readable storage medium for acquiring video pictures, so as to reduce the time spent in acquiring the video pictures.
In one aspect, the present application provides a method for acquiring a video frame, including:
before receiving an acquisition instruction of a video call message, establishing communication connection with a video equipment end through interaction with the video equipment end;
establishing communication connection with an intelligent terminal through interaction with the intelligent terminal;
and when receiving the acquisition instruction of the video call message, forwarding a video stream to the intelligent terminal so as to display a video picture on the intelligent terminal.
On the other hand, the application provides a video picture acquisition device, which comprises:
the first connection establishment module is used for establishing communication connection with the video equipment end through interaction with the video equipment end before receiving an acquisition instruction of the video call message;
the second connection establishment module is used for establishing communication connection with the intelligent terminal through interaction with the intelligent terminal;
and the forwarding module is used for forwarding the video stream to the intelligent terminal when receiving the acquisition instruction of the video call message so as to display a video picture on the intelligent terminal.
In a third aspect, the present application provides an apparatus, where the apparatus includes a memory, a processor, and a computer program stored in the memory and executable on the processor, where the steps of the technical solution of the method for obtaining a video picture as described above are implemented when the processor executes the computer program.
In a fourth aspect, the present application provides a computer readable storage medium storing a computer program which, when executed by a processor, implements the steps of the technical solution of the video picture acquisition method as described above.
According to the technical scheme provided by the application, communication connection with the video equipment and the intelligent terminal is respectively established before the acquisition instruction of the video call message is received, and when the acquisition instruction of the video call message is received, the video stream of the video equipment side is forwarded. Because the time for acquiring the video picture is mainly consumed in the connection stage of the cloud server, the video equipment and the intelligent terminal, and the technical scheme of the application is that communication connection with the video equipment and the intelligent terminal is established before the acquisition instruction of the video call message is received, when the acquisition instruction of the video call message triggered by a user through the user interface of the intelligent terminal is received, the video picture can be acquired almost immediately, long waiting when the cloud server is in communication connection with the video equipment and the intelligent terminal is avoided, and the method and the device have a good experience of being short in time consumption.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart of a method for acquiring a video frame according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a video frame acquisition device according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of an apparatus according to an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
In this specification, adjectives such as first and second may be used solely to distinguish one element or action from another element or action without necessarily requiring or implying any actual such relationship or order. Where the environment permits, reference to an element or component or step (etc.) should not be construed as limited to only one of the element, component, or step, but may be one or more of the element, component, or step, etc.
In the present specification, for convenience of description, the dimensions of the various parts shown in the drawings are not drawn in actual scale.
The application provides a video picture acquisition method, as shown in fig. 1, wherein the method uses a cloud server as an execution main body to describe a technical scheme. The method illustrated in fig. 1 mainly includes steps S101 to S103, which are described in detail below:
step S101: before receiving an acquisition instruction of the video call message, establishing communication connection with the video equipment end through interaction with the video equipment end.
Unlike the prior art that the intelligent terminal firstly sends the video call message, the video call message triggers the cloud server to establish communication connection with the video equipment terminal, the technical scheme of the application is that before the acquisition instruction of the video call message is received, the communication connection with the video equipment terminal is established through interaction with the video equipment terminal.
As an embodiment of the present application, the implementation of step S101 may be implemented through steps S1011 to S1013, which are described as follows:
step S1011: and forwarding the early meeting information sent by the intelligent terminal to the video equipment terminal, wherein the early meeting information comprises an early meeting creation instruction.
In the embodiment of the application, the cloud server receives an early meeting message sent by the intelligent terminal, and then forwards the early meeting message to the video equipment terminal, wherein the early meeting message contains an early meeting creation instruction for indicating that the video equipment terminal can create the video meeting in advance. Here, the early meeting message is based on the protocol of message queue telemetry transport (Message Queuing Telemetry Transport, MQTT). It should be noted that, the early meeting message is sent to the cloud server through the application App installed on the smart terminal (e.g., smart phone, tablet computer, etc.), and the early meeting message is not required to be sent under the operation of the smart terminal user, but is automatically sent to the cloud server in the background by the application after the application is opened, so that the user does not feel.
Step S1012: and creating the video conference according to the message submitted by the video equipment terminal based on the pre-created conference instruction.
After receiving the early meeting information containing the early meeting creation instruction, the video equipment end interacts with the cloud server according to the early meeting creation instruction. Specifically, the implementation of step S1012 may be: the cloud server receives a video conference creation request sent by the video equipment terminal based on a conference creation instruction in advance, then, after the video conference is successfully created, the cloud server returns a video conference creation success notification and a video conference identification to the video equipment terminal, the third step is that the cloud server receives a video conference joining request sent by the video equipment terminal according to the video conference identification, and finally, the cloud server returns a video conference joining success notification to the video equipment terminal.
Step S1013: and receiving a message queue telemetry transmission MQTT message sent by the video equipment terminal, wherein the MQTT message comprises an identification of a video conference and an identification of the video equipment terminal.
After receiving the notification that the video conference returned by the cloud server is successfully added, the video equipment end sends an MQTT message to the cloud server, wherein the message comprises information such as the identification of the video conference, the identification of the video equipment end, the identification of the message and the like, and the cloud server receives the MQTT message, so that the cloud server successfully establishes communication connection with the video equipment.
Step S102: and establishing communication connection with the intelligent terminal through interaction with the intelligent terminal.
As described above, when the cloud server successfully establishes communication connection with the video device, the cloud server receives information including the identifier of the video conference, the identifier of the video device, the identifier of the message, and the like returned by the video device, and accordingly, the cloud server can establish communication connection with the intelligent terminal. Specifically, the implementation of step S102 may be: and forwarding a message containing information such as the identification of the video conference, the identification of the video equipment end and the identification of the message to the intelligent terminal, receiving a request of joining the video conference sent by the intelligent terminal according to the MQTT message, and returning a joining success notification of the video conference to the intelligent terminal, so that the cloud server also becomes successful in establishing communication connection with the intelligent terminal.
Step S103: and when an acquisition instruction of the video call message is received, forwarding the video stream to the intelligent terminal so as to display a video picture on the intelligent terminal.
Specifically, as an embodiment of the present application, when receiving an acquisition instruction of a video call message, forwarding a video stream to an intelligent terminal to display a video screen on the intelligent terminal may be: when an acquisition instruction of the video call message is received, forwarding the acquisition instruction of the video call message to a video equipment end so as to push a video stream by the video equipment end; and forwarding the video stream pushed by the video equipment end to the intelligent terminal so as to display video pictures on the intelligent terminal.
After going through step S101 and step S102, the cloud server has successfully established communication connection with the video device and the intelligent terminal, respectively. Therefore, when receiving the acquisition instruction of the video call message, the cloud server can forward the acquisition instruction of the video call message to the video equipment end through the communication connection established between the cloud server and the video equipment end so as to push the video stream by the video equipment end; here, the acquiring instruction of the video call message may be transmitted to the cloud server by the intelligent terminal (or the application) after the user performs an operation on the intelligent terminal (for example, clicks a button provided on the user interface by the application).
As described above, since the early-meeting message in step S101 is a process in which the application automatically transmits to the cloud server in the background, the user cannot perceive this transmission, in other words, since the completion process of steps S101 and S102 does not require any manual operation by the user, the user does not perceive the process of establishing a communication connection between the cloud server and the intelligent terminal and the video device, that is, the user does not perceive the timing of acquiring the video picture until step S103, or the timing of starting timing of acquiring the video picture when the user has performed only an operation (e.g., clicked a button provided on the user interface) corresponding to the acquisition instruction of the video call message on the intelligent terminal in mind.
And after receiving an acquisition instruction of the video call message sent by the cloud server, the video equipment end pushes a video stream which needs to be acquired by the acquisition instruction to the cloud server through communication connection established between the video equipment end and the cloud server. And the cloud server forwards the video stream pushed by the video equipment end to the intelligent terminal through the communication connection established between the cloud server and the intelligent terminal so as to display a video picture on the intelligent terminal.
It is the moment when the user starts to acquire the video picture from step S103, and therefore the user feels that the time taken to acquire the video picture is extremely short compared with the prior art. For example, according to the prior art, on an application installed on an intelligent terminal, although the application also provides a button corresponding to an acquisition instruction of a video call message, after clicking the button, a user cannot acquire a video picture in a short time, but after receiving the acquisition instruction of the video call message, a cloud server starts to establish a communication connection with the intelligent terminal and the video device, and further, if the user clicks the button at 9:00:00, it takes 8 seconds to further assume that the cloud server establishes the communication connection with the intelligent terminal and the video device, according to the prior art, the cloud server needs to complete an establishment process of the communication connection with the intelligent terminal and the video device at 9:00:08, after the establishment of the communication connection is completed, the video is loaded generally for about 10 seconds, and during the process, the user is in a waiting state in the period from 9:00:00 to 9:00:08, so anxiety is generated. According to the technical scheme of the application, as the user starts to send the early-meeting information to the cloud server when the application is opened, the cloud server establishes connection with the video equipment and the intelligent terminal according to the early-meeting information, the moment when the application sends the early-meeting information to the cloud server to establish connection with the video equipment and the intelligent terminal is 10:00:00, the time spent by the cloud server to establish connection with the video equipment and the intelligent terminal according to the early-meeting information is 8 seconds, and then the cloud server completes the establishment process of connection with the video equipment and the intelligent terminal at 10:00:08; after the communication connection is established, it generally takes 2 seconds to load the video, and the whole process takes about 10 seconds. However, since the application sends the early-meeting message to the cloud server in the background automatic spontaneous process, the user does not know, and does not feel, that the cloud server establishes a connection with the video device and the intelligent terminal, so that although the communication connection is established for 8 seconds, the acquisition of the video picture is completed only in 10 seconds, but the whole process from 10:00:00 to 10:00:08 is completely imperceptible to the user, and then the user considers that the whole process of acquiring the video picture is from the moment of 10:00:08, namely, when the user provides a certain button operation on the interface of the application, the application (or the intelligent terminal) sends an acquisition instruction of a video call message corresponding to the operation to the cloud server, the whole process is completed for 2 seconds (the 2 seconds is the time consumption of video loading), and the user experience is very good.
As can be seen from the above method for acquiring video frames illustrated in fig. 1, communication connection with the video device and the intelligent terminal is established before receiving the instruction for acquiring the video call message, and when the instruction for acquiring the video call message is received, the video stream at the video device is forwarded. Because the time for acquiring the video picture is mainly consumed in the connection stage of the cloud server, the video equipment and the intelligent terminal, and the technical scheme of the application is that communication connection with the video equipment and the intelligent terminal is established before the acquisition instruction of the video call message is received, when the acquisition instruction of the video call message triggered by a user through the user interface of the intelligent terminal is received, the video picture can be acquired almost immediately, long waiting when the cloud server is in communication connection with the video equipment and the intelligent terminal is avoided, and the method and the device have a good experience of being short in time consumption.
Please refer to fig. 2, which is a device for acquiring a video picture provided in the embodiment of the present application, where the device may be a device supporting wifi direct connection or a functional module thereof. The apparatus illustrated in fig. 2 may include a first connection establishment module 201, a second connection establishment module 202, and a forwarding module 203, which are described in detail below:
a first connection establishing module 201, configured to establish a communication connection with a video device end through interaction with the video device end before receiving an acquisition instruction of a video call message;
a second connection establishment module 202, configured to establish a communication connection with the intelligent terminal through interaction with the intelligent terminal;
and the forwarding module 203 is configured to forward the video stream to the intelligent terminal when receiving the acquisition instruction of the video call message, so as to display the video picture on the intelligent terminal.
Optionally, the first connection establishment module 201 illustrated in fig. 2 may include a first message forwarding unit, a video conference creation unit, and a first receiving unit, where:
the first message forwarding unit is used for forwarding the early meeting information sent by the intelligent terminal to the video equipment end, wherein the early meeting information comprises an early meeting creation instruction;
the video conference creation unit is used for creating a video conference according to a message submitted by the video equipment terminal based on the conference instruction created in advance;
the first receiving unit is used for receiving the message queue telemetry transmission MQTT message sent by the video equipment end, wherein the MQTT message comprises the identification of the video conference and the identification of the video equipment end.
Optionally, the video conference creation unit of the above example may include a second receiving unit, a first return unit, a third receiving unit, and a second return unit, wherein:
the second receiving unit is used for receiving a video conference creation request sent by the video equipment terminal based on the conference creation instruction in advance;
the first return unit is used for returning a video conference creation success notification and a video conference identification to the video equipment terminal;
the third receiving unit is used for receiving a request for joining the video conference, which is sent by the video equipment terminal according to the identification of the video conference;
and the second return unit is used for returning a notification of successful video conference joining to the video equipment terminal.
Optionally, the second connection establishment module of the above example may include a second message forwarding unit, a fourth receiving unit, and a third return unit, where:
the second message forwarding unit is used for forwarding the MQTT message to the intelligent terminal;
a fourth receiving unit, configured to receive a request for adding a video conference sent by the intelligent terminal according to the MQTT message;
and the third return unit is used for returning a joining success notice of joining the video conference to the intelligent terminal.
Optionally, the forwarding module 203 illustrated in fig. 2 may include an instruction forwarding unit and a video stream forwarding unit, where:
the instruction forwarding unit is used for forwarding the acquisition instruction of the video call message to the video equipment end when the acquisition instruction of the video call message is received, so that the video equipment end pushes the video stream;
and the video stream forwarding unit is used for forwarding the video stream pushed by the video equipment end to the intelligent terminal so as to display the video picture on the intelligent terminal.
As can be seen from the above-mentioned video picture acquisition device illustrated in fig. 2, communication connection with the video device and the intelligent terminal is established before receiving the acquisition instruction of the video call message, and when the acquisition instruction of the video call message is received, the video stream at the video device is forwarded. Because the time for acquiring the video picture is mainly consumed in the connection stage of the cloud server, the video equipment and the intelligent terminal, and the technical scheme of the application is that communication connection with the video equipment and the intelligent terminal is established before the acquisition instruction of the video call message is received, when the acquisition instruction of the video call message triggered by a user through the user interface of the intelligent terminal is received, the video picture can be acquired almost immediately, long waiting when the cloud server is in communication connection with the video equipment and the intelligent terminal is avoided, and the method and the device have a good experience of being short in time consumption.
Fig. 3 is a schematic structural diagram of an apparatus according to an embodiment of the present application. As shown in fig. 3, the apparatus 3 of this embodiment mainly includes: a processor 30, a memory 31 and a computer program 32 stored in the memory 31 and executable on the processor 30, such as a program of a video picture acquisition method. The steps in the above-described video picture acquisition method embodiment, such as steps S101 to S103 shown in fig. 1, are implemented when the processor 30 executes the computer program 32. Alternatively, the processor 30 may implement the functions of the modules/units in the above-described device embodiments when executing the computer program 32, for example, the functions of the first connection establishment module 201, the second connection establishment module 202, and the forwarding module 203 shown in fig. 2.
Illustratively, the computer program 32 of the video picture acquisition method mainly includes: before receiving an acquisition instruction of a video call message, establishing communication connection with a video equipment end through interaction with the video equipment end; establishing communication connection with the intelligent terminal through interaction with the intelligent terminal; and when an acquisition instruction of the video call message is received, forwarding the video stream to the intelligent terminal so as to display a video picture on the intelligent terminal.
The computer program 32 may be divided into one or more modules/units, which are stored in the memory 31 and executed by the processor 30 to complete the present application. One or more of the modules/units may be a series of computer program instruction segments capable of performing a specific function for describing the execution of the computer program 32 in the device 3. For example, the computer program 32 may be divided into functions of the first connection establishment module 201, the second connection establishment module 202, and the forwarding module 203 (modules in the virtual device), each of which specifically functions as follows: a first connection establishing module 201, configured to establish a communication connection with a video device end through interaction with the video device end before receiving an acquisition instruction of a video call message; a second connection establishment module 202, configured to establish a communication connection with the intelligent terminal through interaction with the intelligent terminal; and the forwarding module 203 is configured to forward the video stream to the intelligent terminal when receiving the acquisition instruction of the video call message, so as to display the video picture on the intelligent terminal.
The device 3 may include, but is not limited to, a processor 30, a memory 31. It will be appreciated by those skilled in the art that fig. 3 is merely an example of device 3 and is not intended to limit device 3, and may include more or fewer components than shown, or may combine certain components, or different components, e.g., a computing device may also include an input-output device, a network access device, a bus, etc.
The processor 30 may be a central processing unit (Central Processing Unit, CPU), other general purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), off-the-shelf programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 31 may be an internal storage unit of the device 3, such as a hard disk or a memory of the device 3. The memory 31 may also be an external storage device of the device 3, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card) or the like, which are provided on the device 3. Further, the memory 31 may also include both an internal storage unit of the device 3 and an external storage device. The memory 31 is used to store computer programs and other programs and data required by the device. The memory 31 may also be used to temporarily store data that has been output or is to be output.
It will be apparent to those skilled in the art that the above-described functional units and modules are merely illustrated for convenience and brevity of description, and in practical application, the above-described functional distribution may be performed by different functional units and modules according to needs, that is, the internal structure of the apparatus is divided into different functional units or modules to perform all or part of the above-described functions. The functional units and modules in the embodiment may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit, where the integrated units may be implemented in a form of hardware or a form of a software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application. The specific working process of the units and modules in the above device may refer to the corresponding process in the foregoing method embodiment, which is not described herein again.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and in part, not described or illustrated in any particular embodiment, reference is made to the related descriptions of other embodiments.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus/device and method may be implemented in other manners. For example, the apparatus/device embodiments described above are merely illustrative, e.g., the division of modules or units is merely a logical functional division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another apparatus, or some features may be omitted or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection via interfaces, devices or units, which may be in electrical, mechanical or other forms.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In addition, each functional unit in each embodiment of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The integrated modules/units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a non-transitory computer readable storage medium. Based on such understanding, the present application implements all or part of the flow in the method of the foregoing embodiment, or may be implemented by implementing hardware related to instructions of a computer program, where the computer program of the method for obtaining a video picture may be stored in a computer readable storage medium, where the computer program, when executed by a processor, may implement the steps of each embodiment of the foregoing method, that is, before receiving an instruction for obtaining a video call message, establish a communication connection with a video device through interaction with the video device; establishing communication connection with the intelligent terminal through interaction with the intelligent terminal; and when an acquisition instruction of the video call message is received, forwarding the video stream to the intelligent terminal so as to display a video picture on the intelligent terminal. The non-transitory computer readable medium may include: any entity or device capable of carrying computer program code, a recording medium, a USB flash disk, a removable hard disk, a magnetic disk, an optical disk, a computer Memory, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), an electrical carrier signal, a telecommunications signal, a software distribution medium, and so forth. It should be noted that the non-transitory computer readable medium may include content that is suitably scaled according to the requirements of jurisdictions in which the legislation and patent practice, such as in some jurisdictions, the non-transitory computer readable medium does not include electrical carrier signals and telecommunication signals according to the legislation and patent practice. The above embodiments are only for illustrating the technical solution of the present application, and are not limiting thereof; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application, and are intended to be included in the scope of the present application. The foregoing detailed description of the embodiments has been presented for purposes of illustration and description, and it should be understood that the foregoing is by way of example only, and is not intended to limit the scope of the invention.
Claims (8)
1. The method for acquiring the video picture is characterized by being applied to a cloud server, and comprises the following steps:
before receiving an acquisition instruction of a video call message, establishing communication connection with a video equipment end through interaction with the video equipment end;
establishing communication connection with an intelligent terminal through interaction with the intelligent terminal;
when an acquisition instruction of the video call message is received, forwarding a video stream to the intelligent terminal so as to display a video picture on the intelligent terminal;
before receiving an acquisition instruction of a video call message, establishing communication connection with a video equipment end through interaction with the video equipment end, wherein the method comprises the following steps:
forwarding an early meeting message sent by the intelligent terminal to the video equipment end, wherein the early meeting message comprises an early meeting creation instruction, and the early meeting message is used for indicating the early meeting creation of the video meeting;
creating a video conference according to the message submitted by the video equipment terminal based on the early conference creation instruction;
receiving an MQTT message which is remotely transmitted by a message queue and is sent by the video equipment end, wherein the MQTT message comprises an identifier of the video conference and an identifier of the video equipment end;
the step of establishing communication connection with the intelligent terminal through interaction with the intelligent terminal comprises the following steps: according to the identification of the video conference and the identification of the video equipment end in the MQTT message, establishing communication connection with the intelligent terminal through interaction with the intelligent terminal;
the creating the video conference according to the message submitted by the video equipment end based on the pre-created conference instruction comprises the following steps:
receiving a video conference creation request sent by the video equipment terminal based on the conference creation instruction in advance;
returning a notice of successful creation of the video conference and an identification of the video conference to the video equipment terminal;
receiving a request for joining the video conference, which is sent by the video equipment terminal according to the identification of the video conference;
and returning a notice of successful joining of the video conference to the video equipment terminal.
2. The method for acquiring a video frame according to claim 1, wherein the establishing a communication connection with the intelligent terminal through interaction with the intelligent terminal comprises:
forwarding the MQTT message to the intelligent terminal;
receiving a request for joining the video conference, which is sent by the intelligent terminal according to the MQTT message;
and returning a joining success notice of the video conference to the intelligent terminal.
3. The method for acquiring a video frame according to claim 1, wherein forwarding the video stream to the intelligent terminal to display the video frame at the intelligent terminal when the instruction for acquiring the video call message is received comprises:
when receiving the acquisition instruction of the video call message, forwarding the acquisition instruction of the video call message to the video equipment end so as to push the video stream by the video equipment end;
and forwarding the video stream pushed by the video equipment end to the intelligent terminal so as to display a video picture on the intelligent terminal.
4. A video frame acquisition device, which is applied to a cloud server, the device comprising:
the first connection establishment module is used for establishing communication connection with the video equipment end through interaction with the video equipment end before receiving an acquisition instruction of the video call message;
the second connection establishment module is used for establishing communication connection with the intelligent terminal through interaction with the intelligent terminal;
the forwarding module is used for forwarding the video stream to the intelligent terminal when receiving the acquisition instruction of the video call message so as to display a video picture on the intelligent terminal;
wherein the first connection establishment module includes:
the first message forwarding unit is used for forwarding an early meeting message sent by the intelligent terminal to the video equipment end, wherein the early meeting message comprises an early meeting creation instruction, and the early meeting message is used for indicating the early creation of a video meeting;
the video conference creation unit is used for creating a video conference according to the message submitted by the video equipment terminal based on the early conference creation instruction; the video conference creation unit specifically comprises a second receiving unit, a first receiving unit and a second receiving unit, wherein the second receiving unit is used for receiving a video conference creation request sent by the video equipment terminal based on the early conference creation instruction; the first return unit is used for returning a notice of successful creation of the video conference and an identification of the video conference to the video equipment terminal; a third receiving unit, configured to receive a request sent by the video device end according to the identifier of the video conference to join the video conference; the second returning unit is used for returning a notification of successful joining of the video conference to the video equipment end;
the first receiving unit is used for receiving the message queue telemetry transmission MQTT message sent by the video equipment end, wherein the MQTT message comprises the identification of the video conference and the identification of the video equipment end;
the second connection establishing module is specifically configured to establish communication connection with the intelligent terminal through interaction with the intelligent terminal according to the identifier of the video conference and the identifier of the video device end in the MQTT message.
5. The video picture acquisition apparatus according to claim 4, wherein the second connection establishment module includes:
the second message forwarding unit is used for forwarding the MQTT message to the intelligent terminal;
a fourth receiving unit, configured to receive a request for joining the video conference, where the request is sent by the intelligent terminal according to the MQTT message;
and the third return unit is used for returning a joining success notice for joining the video conference to the intelligent terminal.
6. The video picture acquisition apparatus according to claim 4, wherein the forwarding module includes:
the instruction forwarding unit is used for forwarding the acquisition instruction of the video call message to the video equipment end when the acquisition instruction of the video call message is received, so that the video equipment end pushes the video stream;
and the video stream forwarding unit is used for forwarding the video stream pushed by the video equipment end to the intelligent terminal so as to display a video picture on the intelligent terminal.
7. An apparatus comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor implements the steps of the method according to any one of claims 1 to 3 when the computer program is executed by the processor.
8. A computer readable storage medium storing a computer program, characterized in that the computer program when executed by a processor implements the steps of the method according to any one of claims 1 to 3.
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