CN113129453A - Method and system for controlling virtual environment in LED (light emitting diode) ring screen virtual production - Google Patents
Method and system for controlling virtual environment in LED (light emitting diode) ring screen virtual production Download PDFInfo
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Abstract
The invention provides a method and a system for controlling a virtual environment in a virtual production of an LED ring screen, wherein example parameters are reflected into different interfaces; generating corresponding second control information according to the first control information; and processing the second control information to update the virtual environment, and controlling the virtual environment in real time, thereby greatly reducing the time cost for changing the virtual environment. Meanwhile, the method does not limit a certain specific scene, can automatically extract common characteristics in the scene for control aiming at different virtual scenes, and does not need to carry out specific adaptation on a single scene.
Description
Technical Field
The invention relates to the technical field of LED ring screen virtual film production, in particular to a method and a system for controlling a virtual environment in the LED ring screen virtual film production.
Background
The virtual production of LED ring screen is a film and television production technology, which digitally synthesizes a virtual environment produced by a computer and figure images under the background of the LED ring screen shot by a camera on site, and combines special effects of scenery, props and the like in the virtual environment with the figure images to obtain a perfect synthetic picture.
In the prior art, a scene preset mode is usually adopted to set a virtual environment, that is, a virtual environment to be used is manufactured in advance, and then the virtual environment is rendered into an LED ring screen virtual production system through a server. The virtual environment set by the method is single in mode, real-time adjustment of the virtual environment in the LED ring screen virtual production cannot be achieved, new virtual environment files need to be made again after the virtual environment is changed, the made files are synchronized and guided into the server, and therefore the problems that the effect cannot be seen in real time, the modification time is long, the efficiency is low, the operation is inconvenient and the like exist.
Disclosure of Invention
The invention aims to solve the problems mentioned in the background technology, and provides a method and a system for controlling a virtual environment in an LED ring screen virtual film production, which can control the virtual environment in real time and greatly reduce the time cost for changing the virtual environment.
In order to achieve the above object, the present invention firstly provides a method for controlling a virtual environment in a virtual production of an LED ring screen, comprising: acquiring instance parameters in a virtual environment; reflecting the instance parameter as a different interface; acquiring first control information; generating corresponding second control information according to the first control information; and processing the second control information to update the virtual environment.
Optionally, the instance parameters include an instance path of each controllable object in the virtual environment and a corresponding interface and attribute of invocation or access.
Optionally, the first control information is a corresponding control signal input to the intelligent terminal; and the second control information is a corresponding formatting command generated through an interactive interface according to the first control information.
Optionally, the processing the second control information to update the virtual environment specifically includes: sending the second control information to a main server; the main server analyzes the second control information; and forwarding the analysis result to each rendering server in real time for corresponding rendering.
Optionally, the sending the second control information to the main server specifically includes encapsulating a formatting command into a piece of Json information, and sending the Json information to the main server through a Put request of Http, where the formatting command includes an operation body, an operation type, a corresponding function or attribute, and a corresponding numerical parameter.
Optionally, the analyzing, by the master server, the second control information specifically includes: the main server analyzes the instance path after receiving the second control information, wherein the instance path comprises the level address, the type and the type instance of the virtual environment; the main server is sequentially matched with the running virtual environment according to the checkpoint address, the type and the type instance; the main server determines the specific operation to be executed according to other parameters in the second control information.
Optionally, after processing the second control information to update the virtual environment, the method further includes: and returning the updating result of the virtual environment to the intelligent terminal to update the interactive interface.
The embodiment of the invention also provides a control system of a virtual environment in the virtual production of the LED ring screen, which comprises the following steps: an instance parameter acquisition module configured to acquire instance parameters in a virtual environment; a reflection module configured to reflect the instance parameter as a different interface; a first control information acquisition module configured to acquire first control information; a second control information generation module configured to generate corresponding second control information according to the first control information; a processing module configured to process the second control information to effect an update of the virtual environment.
Optionally, the processing module further includes: a generation module configured to transmit the second control information to a primary server; a parsing module configured to parse the second control information by the primary server; and the rendering module is configured to forward the analysis result to each rendering server in real time for corresponding rendering.
Optionally, the parsing module further includes: the instance path analyzing module is configured to analyze an instance path after the main server receives the second control information, wherein the instance path comprises a level address, a type and a type instance of the virtual environment; the matching module is configured to match the main server with the running virtual environment in sequence according to the checkpoint address, the type and the type instance; an execution module configured to determine a specific operation to be performed by the primary server according to the other parameters in the second control information.
The invention has the beneficial effects that:
the method and the system for controlling the virtual environment in the virtual production of the LED ring screen can control and adjust the virtual environment in real time, greatly reduce the time cost for changing the virtual environment and greatly accelerate the field shooting progress of the LED ring screen virtual production.
Furthermore, the method and the system for controlling the virtual environment in the LED ring screen virtual production have better synchronization and consistency, and are not easy to cause instant or continuous image tearing in the LED ring screen virtual production.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
Drawings
FIG. 1 is a flowchart of a method for controlling a virtual environment in an LED ring screen virtual production according to an embodiment of the present invention;
fig. 2 is a second flowchart of a method for controlling a virtual environment in an LED ring screen virtual production according to an embodiment of the present invention;
fig. 3 is a third flowchart of a method for controlling a virtual environment in a virtual production of an LED ring screen according to an embodiment of the present invention;
FIG. 4 is a block diagram of a system for controlling a virtual environment in a virtual production of an LED ring screen according to an embodiment of the present invention;
FIG. 5 is a second block diagram of a system for controlling a virtual environment in a virtual production of an LED ring screen according to an embodiment of the present invention;
fig. 6 is a third block diagram of a system for controlling a virtual environment in a virtual production of an LED ring screen according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail below with reference to specific examples in order to facilitate understanding by those skilled in the art.
Referring to fig. 1, an embodiment of the present invention provides a method for controlling a virtual environment in an LED ring screen virtual production, including the following steps:
step S10, obtaining instance parameters in the virtual environment; wherein the instance parameters include an instance path of each controllable object in the virtual environment and corresponding interfaces and attributes of the call or access. Specifically, in the embodiment of the present invention, example parameters include, but are not limited to, different types of parameters such as object position, rotation, color, virtual camera, main light source, fill light, DMX device, weather and day-night transformation, post-stage, and virtual environment calibration in the virtual scene.
In the embodiment of the invention, on the basis of calling or modifying the acquired instance parameters, static or dynamic scenes in the virtual environment can be controlled in real time, and because common features in the virtual scenes are extracted, namely all the instance parameters are acquired, the method for controlling the virtual environment in the LED ring screen virtual production cannot limit a certain specific scene, and can automatically extract the common features in the scenes for control aiming at different virtual scenes without specific adaptation to a single scene.
Step S20, reflecting the example parameters into different interfaces; the example parameters and the corresponding function mapping relationship are automatically performed by the reflection module in the embodiment of the present invention, and are not described herein again. The interface may make calls to the instance parameters through correspondingly formatted commands.
Step S30, acquiring first control information; wherein the first control information may be a corresponding control signal input to the smart terminal. The smart terminal includes but is not limited to a smart tablet, a smart phone, a computer, and the like, and the input mode of the first control information includes but is not limited to input modes such as touch, an external input/output device, and voice.
Step S40, generating corresponding second control information according to the first control information; and the second control information is a corresponding formatting command generated through an interactive interface according to the first control information.
Step S50, processing the second control information to update the virtual environment; in the embodiment of the present invention, after receiving the second control information, the corresponding control device processes the second control information to update the virtual environment, where the corresponding control device includes, but is not limited to, one or more servers, a server array, and an intelligent terminal, and the server includes a sub server or a main server.
After processing the second control information to update the virtual environment, the method further includes: and returning the updating result of the virtual environment to the intelligent terminal to update the interactive interface. Specifically, if the command is successfully executed, returning a current value of the function or the attribute, returning return values of different types according to different operation types, and directly returning an instance address if the operation is to generate a new instance; if the command execution fails, False is returned directly.
Referring to fig. 2, the step of processing the second control information to update the virtual environment further includes the following steps:
step S510, sending the second control information to a main server; in the embodiment of the invention, the intelligent terminal encapsulates the formatting command into a piece of Json information and sends the Json information to the main server through a Put request of Http, wherein the formatting command comprises an operation body, an operation type, a corresponding function or attribute and a corresponding numerical parameter. Wherein the operation body is directly positioned by a certain instance path, and the operation type comprises a function operation and an attribute operation.
Specifically, the format command usually contains four parameters, i.e., objectPath, functionName, parameters, and generateTransaction, if the instance attribute is directly accessed instead of through a function, the objectPath, access, and propertyName.
The format command program refers to the following: for example, for an instance with an instance path of/Game/ThirdPersonBP/Maps/ThirdPersonExampleMap.ThirdPersonExampleMap: PersistentLevel.LightSource _0.LightComponent0, its SetElativerotation function is called with parameters of "New rotation": Pitch ":90," Yaw ":0," Roll ":0}, and the operation is recorded to the revocation list. The result of executing the command is also returned by the host server in Json format, as follows: { "Value": MyValue "}. This formatting command selects an instance named Light Source (Light Source) in the third personnoninstance map scene under the third personnonbp folder Maps folder, and modifies the current value of the Light Source relatedrotation attribute. After modification, the angle of the light source in the virtual scene is seen to change correspondingly, so that the object in the scene is covered in the shadow.
Without being limited to the above example, it is also within the scope of the embodiments of the present invention to change the related attributes of other controllable objects in the virtual environment through the format command.
Step S520, the main server analyzes the second control information; in the embodiment, Http addresses corresponding to function operation and attribute operation are different, so that operation types are conveniently distinguished. And the formatting command is only sent through an Http request without establishing a connection relation, so that the method is suitable for the environment with multiple interferences in a shooting site.
Step S530, according to the analysis result, the data is forwarded to each rendering server in real time to perform corresponding rendering, and the virtual environment provides an interface for synchronous execution of each server node.
In the method for controlling the virtual environment in the LED ring screen virtual production, the second control information is sent to the main server, the main server does not participate in the rendering task of the virtual environment, and the main server only serves as a main node for synchronously controlling the rendering servers of other nodes to ensure the consistency of rendering results. Compared with the technical scheme of directly sending the second control information to the rendering server, the embodiment has smaller data delay and network congestion, and is not easy to cause instant or continuous picture tearing in the virtual production of the LED ring screen.
Referring to fig. 3, the step of the main server analyzing the second control information specifically includes the following steps:
step S5201, the master server analyzes the instance path after receiving the second control information, wherein the instance path includes parameters such as a level address, a type and a type instance of the virtual environment;
step S5203, the main server matches the running virtual environment in sequence according to parameters such as the checkpoint address, the type and the type instance; the purpose is to ensure the accuracy of the corresponding instance.
In step S5205, the main server determines a specific operation to be executed according to other parameters in the second control information, where mapping between the specific parameter and the specific operation to be executed is automatically performed by the reflection module in the embodiment of the present invention, which is not described herein again.
In addition, based on the method for controlling the virtual environment in the LED ring screen virtual production, an embodiment of the present invention further provides a system for controlling the virtual environment in the LED ring screen virtual production, as shown in fig. 4, the system includes:
an instance parameter obtaining module 14 configured to obtain instance parameters in a virtual environment;
a reflection module 24 configured to reflect the instance parameter as a different interface;
a first control information acquisition module 34 configured to acquire first control information;
a second control information generation module 44 configured to generate corresponding second control information from the first control information;
a processing module 54 configured to process the second control information to effect an update of the virtual environment.
Referring to fig. 5, the processing module further includes:
a generating module 541 configured to send the second control information to a primary server;
a parsing module 542 configured to parse the second control information by the primary server;
and the rendering module 543 is configured to forward the parsing result to each rendering server in real time for corresponding rendering.
Referring to fig. 6, the parsing module further includes:
an instance path parsing module 5421, configured to parse, by the host server, an instance path after receiving the second control information, where the instance path includes a level address, a type, and a type instance of the virtual environment;
a matching module 5422 configured to match the running virtual environment with the primary server in sequence according to the level address, type and type instance;
an execution module 5423 configured to determine, by the primary server, a specific operation to be performed according to other parameters in the second control information.
In summary, the system for controlling the virtual environment in the LED ring screen virtual production according to the embodiments of the present invention can be implemented in a program form and run on a computer device. The memory of the computer device may store therein various program modules constituting the system for controlling a virtual environment in the LED ring screen virtual production, such as the inbound id generating module 14, the first communication data generating module 24, the second communication data generating module 34, the data transmitting module 44, and the gate opening module 54 shown in fig. 4. The program constituted by the respective program modules causes the processor to execute the steps in the method of controlling the virtual environment in the LED ring screen virtual production described in the present specification in the respective embodiments of the present application.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention. The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (10)
1. A method for controlling a virtual environment in LED ring screen virtual production is characterized by comprising the following steps:
acquiring instance parameters in a virtual environment;
reflecting the instance parameter as a different interface;
acquiring first control information;
generating corresponding second control information according to the first control information;
and processing the second control information to update the virtual environment.
2. The method of controlling a virtual environment in an LED surround screen virtual production of claim 1, wherein said instance parameters include an instance path of each controllable object in the virtual environment and corresponding interfaces and attributes of invocation or access.
3. The method of controlling a virtual environment in an LED surround screen virtual production as set forth in claim 1, wherein the first control information is a corresponding control signal inputted to a smart terminal; and the second control information is a corresponding formatting command generated through an interactive interface according to the first control information.
4. The method for controlling the virtual environment in the LED surround screen virtual production as set forth in claim 1, wherein the processing the second control information to update the virtual environment is specifically:
sending the second control information to a main server;
the main server analyzes the second control information;
and forwarding the analysis result to each rendering server in real time for corresponding rendering.
5. The method for controlling the virtual environment in the LED surround screen virtual production as set forth in claim 4, wherein the sending the second control information to the main server specifically includes encapsulating a format command into a Json message, and sending the Json message to the main server through a Put request of Http, wherein the format command includes an operation body, an operation type, a corresponding function or attribute, and a corresponding numerical parameter.
6. The method for controlling a virtual environment in LED ring screen virtual production as claimed in claim 4, wherein said main server parsing said second control information specifically comprises:
the main server analyzes the instance path after receiving the second control information, wherein the instance path comprises the level address, the type and the type instance of the virtual environment;
the main server is sequentially matched with the running virtual environment according to the checkpoint address, the type and the type instance;
the main server determines the specific operation to be executed according to other parameters in the second control information.
7. The method of controlling a virtual environment in an LED surround screen virtual production as set forth in claim 1, further comprising, after processing the second control information to effect an update of the virtual environment: and returning the updating result of the virtual environment to the intelligent terminal to update the interactive interface.
8. A system for controlling virtual environment in LED ring screen virtual production is characterized by comprising:
an instance parameter acquisition module configured to acquire instance parameters in a virtual environment;
a reflection module configured to reflect the instance parameter as a different interface;
a first control information acquisition module configured to acquire first control information;
a second control information generation module configured to generate corresponding second control information according to the first control information;
a processing module configured to process the second control information to effect an update of the virtual environment.
9. The system for controlling a virtual environment in an LED surround screen virtual production of claim 8, wherein said processing module further comprises:
a generation module configured to transmit the second control information to a primary server;
a parsing module configured to parse the second control information by the primary server;
and the rendering module is configured to forward the analysis result to each rendering server in real time for corresponding rendering.
10. The system for controlling a virtual environment in an LED surround screen virtual production of claim 9, wherein said parsing module further comprises:
the instance path analyzing module is configured to analyze an instance path after the main server receives the second control information, wherein the instance path comprises a level address, a type and a type instance of the virtual environment;
the matching module is configured to match the main server with the running virtual environment in sequence according to the checkpoint address, the type and the type instance;
an execution module configured to determine a specific operation to be performed by the primary server according to the other parameters in the second control information.
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