CN114466235A - Broadcast control equipment and method for controlling light effect thereof - Google Patents
Broadcast control equipment and method for controlling light effect thereof Download PDFInfo
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- CN114466235A CN114466235A CN202111657709.5A CN202111657709A CN114466235A CN 114466235 A CN114466235 A CN 114466235A CN 202111657709 A CN202111657709 A CN 202111657709A CN 114466235 A CN114466235 A CN 114466235A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Circuit Arrangement For Electric Light Sources In General (AREA)
- Controls And Circuits For Display Device (AREA)
Abstract
The invention discloses a broadcasting control device and a method for controlling light effect thereof, wherein the method comprises the following steps: receiving a standard lamplight protocol signal sent by a lamp control device based on a built-in first standard lamplight hardware interface; converting the standard light protocol signal into a light serial port signal through protocol conversion arranged at a serial port driver; and carrying out light effect processing on more than one path of playing video frames according to the light serial port signal to obtain a light special effect picture, and displaying the processed light special effect picture. According to the invention, the standard lighting hardware interface is arranged in the broadcast control equipment, and the protocol conversion program is placed in the serial port for driving, so that the broadcast control equipment not only can be compatible with most broadcast control equipment on the market, but also the hardware cost can be reduced compared with the prior art of protocol conversion through a single chip microcomputer; meanwhile, the lamp control equipment can control the broadcast control equipment as light through sending a standard light protocol, so that the display equipment corresponding to the broadcast control equipment realizes rich light effects.
Description
Technical Field
The invention relates to the technical field of light control, in particular to a broadcast control device and a method for controlling light effect thereof.
Background
Existing light control devices typically control the display of the light fixtures through standard lighting protocols. At present, a set top box controls light special effect display, and one mode is as follows: sending the special light effect to the set-top box through a non-standard light protocol, such as a network or a standard serial port protocol, and further controlling corresponding display equipment to display the special light effect; the other mode is as follows: the set-top box plays the solidified video playing style (light special effect) and the video changing style (light special effect) to show the light effect.
The control mode of the set top box for displaying the special light effect cannot be realized through a standard lamp control protocol, in addition, the display style of the solidified special light effect has no way of manually changing or debugging the effect through light debugging software, and is not the special light effect in the true sense, namely, the set top box cannot be really controlled in the market at present, so that the display equipment corresponding to the set top box cannot realize rich light effect.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: a broadcast control device and a method for controlling light effect are provided, so that the broadcast control device can be controlled to realize rich light effect.
In order to solve the technical problems, the invention adopts the technical scheme that:
a method for controlling light effect by a broadcast control device comprises the following steps:
receiving a standard lamplight protocol signal sent by the lamp control equipment based on a built-in first standard lamplight hardware interface;
converting the standard lamplight protocol signal into a lamplight serial port signal through protocol conversion arranged at a serial port driver;
and carrying out light effect processing on more than one path of playing video frames according to the light serial port signal to obtain light special effect pictures, and displaying the processed light special effect pictures.
In order to solve the technical problem, the invention adopts another technical scheme as follows:
a broadcast control device comprising a memory, a processor and a computer program stored on the memory and operable on the processor, the processor implementing the steps of a method for a broadcast control device to control a light effect as described above when executing the computer program.
The invention has the beneficial effects that: a broadcast control device and a method for controlling lamp effect thereof are provided, a standard lighting hardware interface is arranged in the broadcast control device, and a protocol conversion program is placed in a serial port for driving, so that the broadcast control device not only can be compatible with most broadcast control devices on the market, but also can reduce hardware cost compared with the prior art of protocol conversion through a single chip microcomputer; and then, a standard lamplight protocol signal sent by the lamp control equipment is received through a standard lamplight hardware interface, the standard lamplight protocol signal is converted into a lamplight serial port signal through a protocol conversion program, namely, the lamp control equipment can control the broadcast control equipment as lamplight through sending the standard lamplight protocol, so that the display equipment corresponding to the broadcast control equipment realizes rich lamplight effects.
Drawings
Fig. 1 is a schematic flowchart of a method for controlling a light effect by a broadcast control device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a broadcast control device according to an embodiment of the present invention.
Description of reference numerals:
1. a broadcast control device; 2. a processor; 3. a memory.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1, a method for controlling a lamp effect by a broadcast control device includes the steps of:
receiving a standard lamplight protocol signal sent by the lamp control equipment based on a built-in first standard lamplight hardware interface;
converting the standard lamplight protocol signal into a lamplight serial port signal through protocol conversion arranged at a serial port driver;
and carrying out light effect processing on more than one path of playing video frames according to the light serial port signal to obtain light special effect pictures, and displaying the processed light special effect pictures.
From the above description, the beneficial effects of the present invention are: the broadcasting control equipment is internally provided with a standard lighting hardware interface, and a protocol conversion program is placed in a serial port for driving, so that the broadcasting control equipment not only can be compatible with most broadcasting control equipment on the market, but also can reduce the hardware cost compared with the prior art of protocol conversion through a single chip microcomputer; and then, a standard lamplight protocol signal sent by the lamp control equipment is received through a standard lamplight hardware interface, the standard lamplight protocol signal is converted into a lamplight serial port signal through a protocol conversion program, namely, the lamp control equipment can control the broadcast control equipment as lamplight through sending the standard lamplight protocol, so that the display equipment corresponding to the broadcast control equipment realizes rich lamplight effects. The playing control equipment in the invention can be equipment for controlling audio and video playing, such as a set top box and the like.
Further, the processing of the light effect on more than one channel of playing video frames according to the light serial port signal to obtain a light special effect picture, and the displaying of the processed light special effect picture specifically includes:
the method comprises the steps that light effect processing is carried out on more than one path of playing video frames according to the light serial port signals to obtain light special effect pictures, the processed light special effect pictures are sent to display equipment through output interfaces to be displayed, the number of the output interfaces is at least two, and each output interface is correspondingly connected with one display equipment; the display equipment connected with the broadcast control equipment corresponding to each output interface is provided with a corresponding drawing interface, and a light special effect picture corresponding to the display equipment is drawn on the drawing interface.
As can be seen from the above description, two output interfaces are provided to connect different display devices, and light special effect pictures of different display devices are drawn through corresponding drawing interfaces, so that the same or different light special effect pictures can be displayed on different display devices, and different display devices different from the existing display devices on the market (for example, a set top box) that are the same in playing and controlling device can only display the same effect, so that the display devices corresponding to the playing and controlling device can realize richer light effects.
Further, the drawing of the light special effect picture corresponding to the display device on the drawing interface specifically includes: and drawing a playing video frame which is preset and displayed by the corresponding display equipment on each drawing interface to be used as a base picture, and carrying out lighting effect treatment on the playing video frame on the drawing interface to obtain a lighting special effect picture.
As can be seen from the above description, the light effect processing is performed on the played video frame by using the played video frame as a base map, so as to implement the light effect editing on the played video.
Furthermore, a plurality of display windows which are in one-to-one correspondence with the display areas on the display equipment are superposed on the playing video frame of which the drawing interface is used as the base image, each display window comprises display parameters, and the display parameters comprise display size and display position;
the drawing of the lighting special effect picture corresponding to the display equipment on the drawing interface specifically comprises the following steps:
drawing a playing video frame which is preset and displayed by corresponding display equipment on each drawing interface to serve as a base map;
intercepting a local picture of a playing video frame as a base map, and drawing the local picture into each display window; or drawing the other path of played video frame into each display window;
and carrying out lighting effect treatment on the base picture on the drawing interface and each superposed display window to obtain a treated lighting special effect picture with the display windows.
As can be seen from the above description, a plurality of display windows corresponding to the display areas on the display device one to one are additionally arranged on the drawing interface, and different display windows may be local pictures of the same played video frame or different pictures of different played video frames, so that the light effect of the play control device is greatly improved by windowing to display the special-effect video.
Further, the displaying the processed light special effect picture specifically includes:
and sending the light special effect picture with the display window and the display window mark corresponding to the light special effect picture to the display equipment, so that a base map with the light special effect is displayed on the display equipment, and the display window content is displayed in a display area corresponding to the display window in an overlapping manner.
As can be seen from the above description, the display device receives the light special effect picture with the display window to achieve a richer light effect.
Further, the display parameters further comprise a windowing rotation angle;
specifically, the displaying the content of the display window in the display area corresponding to the display window by the display device in an overlapping manner is: and enabling the display equipment to display the content of the display window in a display area corresponding to the display window in an overlapping mode according to the windowing rotation angle.
As can be seen from the above description, the display position, the display size, and the window opening rotation angle in the display parameters can be directly operated with reference to the display parameters during the construction of the display device, thereby facilitating the construction operation to adapt to different decoration conditions.
Further, the method also comprises the following steps:
the standard lamplight hardware interface receives a standard lamplight protocol signal sent by the lamp control equipment based on the built-in second standard lamplight hardware interface, and sends the standard lamplight protocol signal to the lamplight equipment, and the first standard lamplight hardware interface is physically communicated with the second standard lamplight hardware interface.
As can be seen from the above description, two standard lighting hardware interfaces are built in the broadcast control device, and one of the standard lighting hardware interfaces is used for cascading the lighting devices, so as to form a physical lighting cascade.
Further, before the interactive effect processing is performed on the played video frame according to the lamplight serial port signal, the method further comprises a step of preprocessing the played video frame, specifically;
receiving a playing material, playing a background video frame in the playing material based on an android player, and copying the background video frame to a cache of a 3D engine in a texture copying manner;
and superposing the 3D effect in the 3D engine and the background video frame to obtain a playing video frame.
According to the description, the video is played through the combination of the Android playing and the platform-crossing language of Unity display, so that the 3D effect can be conveniently developed by the application personnel, and the development efficiency is greatly improved.
Further, the receiving the playing material specifically includes:
receiving automatically distributed or uploaded playing materials by users, wherein the classification of the playing materials is customized by users and/or the operations of the users on the defined classification.
From the above description, it can be known that the classification of the light materials through any self-defining compatible platform and the receiving of the playing materials uploaded by the user not only makes the classification of the playing materials more flexible, but also provides richer playing materials to form richer playing and controlling equipment light effects.
Further, the light effect processing of the more than one channel of playing video frames according to the light serial port signal includes at least one of the following processing of the playing video frames: blur, screen-out, screen-splash, RGB color change, RGB separation, rotation, and zoom.
From the above description, the playing video frames are processed with the existing light special effect, so that a richer light effect of the playing and controlling device is realized.
Further, the standard light protocol signal is a preset light effect.
From the above description, the broadcasting control device can execute the preset light effect, for example, the preset light effect is automatically triggered in the festival by the preset light effect of the festival, the festival song and the character picture are played, and the user experience is greatly improved.
Referring to fig. 2, a broadcast control device includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and the processor executes the computer program to implement the steps of the method for controlling the lamp effect of the broadcast control device.
The broadcast control equipment and the method for controlling the lamp effect thereof can be suitable for any scene needing to use the broadcast control equipment as the light control, and are explained by specific implementation modes as follows:
referring to fig. 1, a first embodiment of the present invention is:
a method for controlling light effect by a broadcast control device comprises the following steps:
s1, receiving a standard light protocol signal sent by the light control equipment based on a built-in first standard light hardware interface;
in this embodiment, the standard lighting hardware interface is a DMX512 hardware interface, and the broadcast control device is pre-installed with the DMX512 hardware interface to establish connection with an external device such as a lamp control device to receive a control signal of the lamp control device, where the lamp control device is a lamp console, an intelligent control box, or a disc player. The broadcast control equipment in the embodiment of the invention is a set top box.
In this embodiment, the standard light protocol signal is a preset light effect, for example, a preset festival light effect, so that a certain light effect is automatically triggered in a festival, and a festival song, a text picture and the like are played.
S2, converting the standard light protocol signal into a light serial port signal through protocol conversion arranged at the serial port driver;
in this embodiment, the protocol conversion is set at the serial port driver, and when a standard light protocol signal sent by the lamp control device is received, the standard light protocol signal is converted into a serial port protocol signal through the protocol conversion of the serial port driver inside the lamp control device. Therefore, compared with the prior art that protocol conversion is carried out through a single chip microcomputer, hardware cost is saved by modifying serial port drive and carrying out conversion through the drive.
S3, preprocessing the playing video frame;
in this embodiment, step S3 is specifically;
s31, receiving the playing material, playing the background video frame in the playing material based on the android player, and copying the background video frame to the cache of the 3D engine in a texture copying mode;
in this embodiment, the receiving the playing material specifically includes: receiving automatically distributed or uploaded playing materials by users, wherein the classification of the playing materials is customized by the users and/or the operations of the users on the defined classification.
Therefore, the user can customize the classification of the played material, or can perform operations such as adding, deleting and modifying on the defined classification.
The user can distribute the playing materials according to the set top box, and if the user is not satisfied with the playing materials of the Internet of things, the set top box lighting equipment can add or replace the playing materials through the USB flash disk. After the set-top box is powered on by light, the material list is downloaded, the existing material MD5(Message-Digest Algorithm) is compared to avoid repeated downloading, and the set-top box plays the material after downloading and decompressing.
In this embodiment, the Android player is an Android ijkplayer (player), the 3D engine is Unity, that is, the background video frame played by the Android ijkplayer is copied to the 3D engine Unity for processing in an FBO texture copying manner, so that cross-platform language Android and Unity combined development is adopted, and development efficiency is greatly improved.
And S32, overlapping the 3D effect in the 3D engine with the background video frame to obtain a playing video frame.
In this embodiment, the 3D effect is a 3D object, such as alpha video, picture, and the like.
And S4, performing light effect processing on more than one path of playing video frames according to the light serial port signal to obtain light special effect pictures, and displaying the processed light special effect pictures.
In this embodiment, step S4 specifically includes:
the method comprises the steps that light effect processing is carried out on more than one path of playing video frames according to light serial port signals to obtain light special effect pictures, the processed light special effect pictures are sent to display equipment through output interfaces to be displayed, the number of the output interfaces is at least two, and each output interface is correspondingly connected with one display equipment; the set top box is provided with corresponding drawing interfaces corresponding to the display equipment connected with each output interface;
the drawing of the lighting special effect picture corresponding to the display equipment on the drawing interface specifically comprises the following steps:
and drawing the playing video frames which are preset and displayed by the corresponding display equipment on each drawing interface to be used as base pictures, and carrying out lighting effect treatment on the playing video frames on the drawing interfaces to obtain lighting special effect pictures.
In this embodiment, the set-top box has two output interfaces, one is an HDMI interface and the other is a VGA interface, and is used for respectively accessing the main and auxiliary screens, and the set-top box needs to start two faceview interfaces as drawing interfaces for displaying the main and auxiliary screens, so that the main and auxiliary screens can display the same or different special effect materials, and the same or different lighting effects can be realized.
In this embodiment, in step S4, the effect player performs effect playing by using a shader program (rendering or coloring, which is a program that can operate on a 3D object and is executed by the GPU) of the GPU;
the method comprises the following steps that (1) matting operation is carried out on a GPU, CPU time is not occupied, and system speed is increased; in addition, because the GPU is hardware specially used for processing images, the operation time of pixels with different sizes is the same, for example, the operation time of pixels with 8 bits, 16 bits and 32 bits is the same, and the operation time of the pixels is greatly saved; the CPU can prolong the processing time along with the increase of the size of the pixel; the processing speed of the present invention is greatly increased.
In this embodiment, the light effect processing on more than one channel of played video frames according to the light serial port signal specifically includes the following steps:
transmitting a playing video frame, and operating each pixel in the playing video frame;
handle according to light serial ports signal, if the processing of light serial ports signal is the splash screen, then realize the splash screen through following rule:
FinalColor＝lightColor*dayCycleColor+dayColor*(1-dayCycleColor)
among them, LightColor is generally set to vec3 close to 0, such as vec3(0.006,0.006, 0.006);
dayCycleColor sin (time), wherein time is system time;
vec3 with a dayColor setting generally at 1, such as vec3(1.0,1.0, 1.0);
FinalColor is the final output color.
The embodiment also has the effects of RGB color change, channel separation, blurring, brightness change, selection, zooming, material switching, special effect material switching and the like. Therefore, the light effect processing is carried out on more than one path of playing video frames according to the light serial port signals to be at least one type.
Referring to fig. 1, the second embodiment of the present invention is:
in the embodiment, a plurality of display windows which are in one-to-one correspondence with display areas on display equipment are superposed on a playing video frame with a drawing interface as a base image, each display window comprises display parameters, and the display parameters comprise display size, display position and windowing rotation angle;
therefore, in this embodiment, drawing a light special effect picture corresponding to the display device on the drawing interface specifically includes:
drawing a playing video frame which is preset and displayed by corresponding display equipment on each drawing interface to serve as a base map;
intercepting a local picture of a playing video frame as a base map, and drawing the local picture into each display window; or drawing the other path of played video frame into each display window;
and carrying out lighting effect treatment on the base picture on the drawing interface and each superposed display window to obtain a treated lighting special effect picture with the display windows.
Therefore, in this embodiment, the displaying the processed light special effect screen specifically includes:
and sending the light special effect picture with the display window and the display window mark corresponding to the light special effect picture to display a base map with the light special effect on the display equipment, and displaying the content of the display window in a display area corresponding to the display window in an overlapping mode according to the windowing rotation angle.
In other words, in this embodiment, different display windows are provided on the primary and secondary screen background interfaces, each display window can display different special effect materials, the display position and the number of the special effect materials can be set on each background interface, and the number of the display windows is not limited in the performance of the set-top box. The windowing rotation angle can also be set to adapt to decoration conditions of different digital audio-visual places, if the LED screen in the digital audio-visual place is decorated in an inverted mode, the LED screen can be displayed to be positive through the windowing rotation angle, and therefore decoration of the digital audio-visual place is facilitated; if the special effect material is that people dance, the dancing effect of a large pile of people can be realized, and the set top box lighting effect is greatly enriched by displaying the special effect video through windowing.
Referring to fig. 1, a third embodiment of the present invention is:
a method for controlling light effect by a broadcast control device further comprises the following steps:
and receiving a standard lamplight protocol signal sent by the lamp control equipment based on a built-in second standard lamplight hardware interface, and sending the standard lamplight protocol signal to the lamplight equipment, wherein the first standard lamplight hardware interface is physically communicated with the second standard lamplight hardware interface.
That is, in this embodiment, two DMX512 interfaces are built in the broadcast control device, the two DMX512 interfaces are physically connected, one interface can receive data sent by a light console or other standard light protocol tools, and the other interface can cascade other lamps such as a moving head lamp and a color slide lamp strip to form physical light cascade.
Referring to fig. 2, a fourth embodiment of the present invention is:
a broadcast control device 1 comprises a memory 3, a processor 2 and a computer program stored on the memory 3 and operable on the processor 2, wherein the processor 2 implements the steps of the first embodiment when executing the computer program.
In summary, the broadcast control device and the method for controlling the light effect thereof provided by the invention have the following advantages:
1. through broadcasting accuse equipment embeds there is standard light hardware interface, and puts the protocol conversion procedure at the serial ports drive to make lamp accuse equipment can regard broadcasting accuse equipment as light the same control through sending standard light agreement, so that the display device that broadcasting accuse equipment corresponds can realize abundant light effect with low costs.
2. Connecting different display devices through two output interfaces, and drawing light special effect pictures of the different display devices through corresponding drawing interfaces; a windowing special effect is superposed on the drawing interface; through providing abundanter broadcast material to make the display device that broadcast accuse equipment corresponds can realize abundanter light effect.
3. Two standard lighting hardware interfaces are arranged in the broadcast control equipment, wherein one standard lighting hardware interface is used for cascading lighting equipment, so that physical lighting cascade is formed.
4. The video is played through the combination of Android playing and the platform-crossing language of Unity display, so that the 3D effect can be conveniently developed by application personnel, and the development efficiency is greatly improved.
5. The broadcasting control equipment can preset light effects, for example, the festival light effects are preset, so that the preset light effects are automatically triggered in festivals, festival songs, characters and pictures and the like are played, and user experience is greatly improved.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (11)
1. A method for controlling light effect by a broadcast control device is characterized by comprising the following steps:
receiving a standard lamplight protocol signal sent by the lamp control equipment based on a built-in first standard lamplight hardware interface;
converting the standard lamplight protocol signal into a lamplight serial port signal through protocol conversion arranged at a serial port driver;
and carrying out light effect processing on more than one path of playing video frames according to the light serial port signal to obtain light special effect pictures, and displaying the processed light special effect pictures.
2. The method for controlling the light effect of the broadcast control equipment according to claim 1, wherein the step of performing light effect processing on more than one channel of broadcast video frames according to the light serial port signal to obtain a light special effect picture, and the step of displaying the processed light special effect picture specifically comprises the steps of:
the method comprises the steps that light effect processing is carried out on more than one path of playing video frames according to the light serial port signals to obtain light special effect pictures, the processed light special effect pictures are sent to display equipment through output interfaces to be displayed, the number of the output interfaces is at least two, and each output interface is correspondingly connected with one display equipment; the display equipment connected with the broadcast control equipment corresponding to each output interface is provided with a corresponding drawing interface, and a light special effect picture corresponding to the display equipment is drawn on the drawing interface.
3. The method for controlling the light effect by the broadcasting control equipment according to claim 2, wherein the drawing of the light special effect picture corresponding to the display equipment on the drawing interface specifically comprises: and drawing a playing video frame which is preset and displayed by the corresponding display equipment on each drawing interface to be used as a base picture, and carrying out lighting effect treatment on the playing video frame on the drawing interface to obtain a lighting special effect picture.
4. The method for controlling the light effect of the play control equipment according to claim 2, wherein a plurality of display windows in one-to-one correspondence with the display areas on the display equipment are superposed on a play video frame of the drawing interface as a base map, each display window comprises display parameters, and the display parameters comprise a display size and a display position;
the drawing of the lighting special effect picture corresponding to the display equipment on the drawing interface specifically comprises the following steps:
drawing a playing video frame which is preset and displayed by corresponding display equipment on each drawing interface to serve as a base map;
intercepting a local picture of a playing video frame as a base map, and drawing the local picture into each display window; or drawing the other path of played video frame into each display window;
and carrying out lighting effect treatment on the base picture on the drawing interface and each superposed display window to obtain a treated lighting special effect picture with the display windows.
5. The method for controlling lamp effect by a broadcast control device according to claim 4, wherein the displaying the processed light special effect picture specifically comprises:
and sending the light special effect picture with the display window and the display window mark corresponding to the light special effect picture to the display equipment, so that a base map with the light special effect is displayed on the display equipment, and the display window content is displayed in a display area corresponding to the display window in an overlapping manner.
6. The method as claimed in claim 5, wherein the display parameters further include a window rotation angle;
specifically, the displaying the content of the display window in the display area corresponding to the display window by the display device in an overlapping manner is: and enabling the display equipment to display the content of the display window in a display area corresponding to the display window in an overlapping mode according to the windowing rotation angle.
7. The method for controlling lamp effect by a broadcast control device as claimed in claim 1, further comprising the steps of:
the standard lamplight hardware interface receives a standard lamplight protocol signal sent by the lamp control equipment based on the built-in second standard lamplight hardware interface, and sends the standard lamplight protocol signal to the lamplight equipment, and the first standard lamplight hardware interface is physically communicated with the second standard lamplight hardware interface.
8. The method for controlling the light effect of the broadcast control equipment according to claim 1, wherein before the interactive effect processing is performed on the broadcast video frame according to the light serial port signal, the method further comprises a step of preprocessing the broadcast video frame, specifically;
receiving a playing material, playing a background video frame in the playing material based on an android player, and copying the background video frame to a cache of a 3D engine in a texture copying manner;
and superposing the 3D effect in the 3D engine and the background video frame to obtain a playing video frame.
9. The method for controlling lamp effect of a broadcast control device according to claim 1, wherein performing the lamp effect processing on more than one channel of the broadcast video frames according to the lamp serial port signal comprises performing at least one of the following processing on the broadcast video frames: blur, screen-out, screen-splash, RGB color change, RGB separation, rotation, and zoom.
10. The method for controlling light effects by a broadcast control device according to any one of claims 1 to 9, wherein the standard light protocol signal is a preset light effect.
11. A broadcast control device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the steps of a method of controlling a lamp effect of a broadcast control device as claimed in any one of claims 1 to 10 when executing the computer program.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114466235B (en) | 2023-09-15 |
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