CN113014990B - Quick playing method, playing box and playing system for program pictures - Google Patents
Quick playing method, playing box and playing system for program pictures Download PDFInfo
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- CN113014990B CN113014990B CN202110231209.9A CN202110231209A CN113014990B CN 113014990 B CN113014990 B CN 113014990B CN 202110231209 A CN202110231209 A CN 202110231209A CN 113014990 B CN113014990 B CN 113014990B
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 238000004806 packaging method and process Methods 0.000 claims description 9
- 230000000903 blocking effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 230000006870 function Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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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
- 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
- H04N21/435—Processing of additional data, e.g. decrypting of additional data, reconstructing software from modules extracted from the transport stream
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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
- H04N21/47—End-user applications
- H04N21/482—End-user interface for program selection
- H04N21/4825—End-user interface for program selection using a list of items to be played back in a given order, e.g. playlists
-
- 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
- H04N21/47—End-user applications
- H04N21/485—End-user interface for client configuration
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- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention relates to the technical field of program display of an LED display screen, and particularly discloses a program picture quick playing method, a playing box and a playing system, wherein the method comprises the steps of establishing a link with a network interface which is pre-configured with interface parameters; receiving a request for fast playing of the program picture through a network interface; reading and storing pre-updated program pictures pre-stored in terminal equipment according to a preset program picture acquisition strategy; and replacing the updated program picture with the pre-updated program picture according to the interface parameters and the pre-set program picture replacement strategy. The method, the box and the system for quickly playing the program pictures realize the transmission and the display of the pre-updated program pictures, can realize quick release aiming at the program pictures with smaller resolution, reduce the release time from 950ms in the prior mode to within 400ms in the mode, save more than half of release time, obviously improve the efficiency of program release, and further improve the user experience.
Description
Technical Field
The invention relates to the technical field of program display of an LED display screen, in particular to a program picture quick playing method, a playing box and a playing system.
Background
The playing box is a device for connecting with the LED display screen, through which various programs/pictures or control instructions can be issued to the LED display screen, but currently, the LED display screen needs to display small pictures (such as pictures with a resolution of 250 x 400 pixels) quickly, and the quick response of the playing box cannot be obtained, so that the program release time is limited to a certain extent, for example, the program response time from sending the programs/pictures to obtaining the LED display screen of the playing box is 950ms, and obviously, there is an inapplicable problem for the scene that the programs/pictures need to be quickly played currently, so that a new technical scheme is needed to be found to solve the above problem.
Disclosure of Invention
Aiming at the technical problems in the prior art, the invention provides a quick playing method, a playing box and a playing system for program pictures.
The invention provides a method for rapidly playing a program picture, which comprises the following steps:
establishing a link with a network interface which is pre-configured with interface parameters; the interface parameters are generated through a preset parameter configuration strategy, and the interface parameters at least comprise the name of the currently played program, the type of the updated file and the coordinates of the updated program picture;
receiving a request for fast playing of the program picture through a network interface;
reading and storing pre-updated program pictures pre-stored in terminal equipment according to a preset program picture acquisition strategy;
replacing the updated program picture with a pre-updated program picture according to the interface parameters and a preset program picture replacement strategy;
and sending a program picture display instruction to the LED display screen.
Further, reading and storing pre-updated program pictures pre-stored in the terminal device according to a preset program picture acquisition strategy, including:
reading a pre-updated program picture;
storing array data of the pre-updated program pictures by using a memory file;
reflection to obtain memory file and serializing the array data;
judging whether inter-thread communication is established; if yes, then
Sharing array data associated with the pre-updated program pictures in the threads, and packaging the array data into pixel information; if not, then
Blocking the current thread according to the preset time;
judging whether the communication between threads is established successfully, if so,
restoring the current thread, sharing the array data associated with the pre-updated program picture in the thread, and packaging the array data into pixel information.
Further, reading the pre-updated program picture includes:
acquiring the maximum data transmission quantity of a network interface;
dividing the pre-updated program pictures into batches according to the maximum data transmission quantity;
and reading the pre-updated program pictures in batches according to the batch division result.
Further, replacing the updated program picture with the pre-updated program picture according to the interface parameter and the pre-set program picture replacement policy, including:
acquiring pixel information;
transmitting update broadcast to the corresponding view layer according to the coordinates of the updated program picture;
reading pixel information in a byte form to obtain a pixel array;
and drawing all pixel points one by one in the view layer according to the pixel array to generate a pre-updated program picture.
Further, the pre-updated program picture is a non-effect picture.
Further, the pre-updated program picture is in JPEG format, PNG format, or BMP format.
The invention also provides a playing box, which comprises a receiving module, a reading module, a replacing module and a sending module, wherein:
the receiving module is connected with the reading module and used for acquiring interface parameters and rapidly playing a program picture request; the interface parameters are generated through a preset parameter configuration strategy, and the interface parameters at least comprise the name of the currently played program, the type of the updated file and the coordinates of the updated program picture;
the reading module is connected with the receiving module and the replacing module and is used for reading and storing pre-updated program pictures pre-stored in the terminal equipment according to a preset program picture acquisition strategy;
the replacing module is connected with the reading module and the sending module and is used for replacing the updated program picture with a pre-updated program picture according to the interface parameters and a preset program picture replacing strategy;
and the sending module is connected with the replacing module and used for sending a program picture display instruction to the LED display screen.
The invention also provides a system for rapidly playing the program pictures, which comprises the playing box, terminal equipment, a server, a network interface and an LED display screen, wherein the terminal equipment is in communication connection with the server, the playing box is in communication connection with the server through the network interface, and the LED display screen is in communication connection with the playing box, wherein:
the terminal equipment is used for generating interface parameters for the network interface through a preset parameter configuration strategy and the server; establishing a pre-update program picture reading channel and sending a request for quickly playing the program picture to a server; the interface parameters at least comprise the name of the currently played program, the type of the updated file and the coordinates of the updated program picture;
the server is used for receiving the request for quickly playing the program pictures and sending the request to the playing box through the network interface;
the playing box is used for receiving a request for rapidly playing the program pictures through the network interface; reading and storing pre-updated program pictures pre-stored in terminal equipment according to a preset program picture acquisition strategy; replacing the updated program picture with a pre-updated program picture according to the interface parameters and a preset program picture replacement strategy; sending a program picture display instruction to the LED display screen;
and the LED display screen is used for receiving the program picture display instruction and displaying the replaced program picture.
The method, the box and the system for quickly playing the program pictures realize the transmission and the display of the pre-updated program pictures, can realize quick release aiming at the program pictures with smaller resolution, reduce the release time from 950ms in the prior mode to within 400ms in the mode, save more than half of release time, obviously improve the efficiency of program release, and further improve the user experience.
Drawings
For a clearer description of embodiments of the invention or of solutions in the prior art, the drawings which are used in the description of the embodiments or of the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
Fig. 1 is a flowchart illustrating steps of a method for fast playing a program picture according to an embodiment of the present invention;
fig. 2 is a flowchart of a step (ii) of a fast playing method of a program picture according to an embodiment of the present invention;
fig. 3 is a flowchart of steps of a fast playing method of a program picture according to an embodiment of the present invention;
fig. 4 is a flowchart of a step of a fast playing method of a program picture according to an embodiment of the present invention;
fig. 5 is a structural diagram of a playing box according to an embodiment of the present invention;
fig. 6 is a structural diagram of a fast playing system for a program picture according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
The embodiment of the invention discloses a method for rapidly playing a program picture, wherein an implementation main body of the method is a playing box, as shown in fig. 1, and the method comprises the following steps:
step S10: a link is established with a network interface that is preconfigured with interface parameters.
The interface parameters are generated through a preset parameter configuration strategy, and the interface parameters at least comprise the name of the currently played program, the type of the updated file and the coordinates of the updated program picture.
The configuration of the interface parameters may be performed by accessing the server by the terminal device, such as PUT request using HTTP protocol, e.g
“http://192.168.XX.XX/api/program/new.vsntype＝img&x＝0&y＝0”
This includes, in addition to the basic access path of the terminal device, the name of the currently played program (i.e., the name of the updated program picture), being "new.xx", the type of the updated file "type=img", and the coordinates "x=0", "y=0" of the updated program picture, etc., and the body requested by PUT uses a binary, in which the pre-updated program picture is stored.
After the playing box establishes a link with the interface, the interface parameters of the interface are obtained.
Step S20: and receiving a request for fast playing of the program picture through a network interface.
The fast play program picture request is generated by the terminal device (such as the upper computer software in the PC end) and issued by the server, and when the playing box receives the fast play program picture request through the interface, step S30 is executed.
Step S30: and reading and storing pre-updated program pictures pre-stored in the terminal equipment according to a preset program picture acquisition strategy.
The terminal device establishes a reading channel of the pre-updated program picture in advance before generating the request for fast playing the program picture, and the pre-updated program picture in the embodiment of the invention is a single non-special effect picture, and the format of the pre-updated program picture can be JPEG format, PNG format, BMP format or other still image formats. When the playing box receives the request for fast playing the program picture, the pre-updated program picture is read and stored according to a preset program picture acquisition strategy, as shown in fig. 2, which specifically includes the steps of:
step S301: and reading the pre-updated program picture.
The playing box reads the pre-updated program picture stored in the terminal device through the interface, and the specific process is shown in fig. 3, and includes:
step S3011: the maximum data transmission amount of the network interface is obtained.
Since the reading process is limited by the data transmission amount of the interface, the maximum data transmission amount of the interface is monitored first, and the maximum data transmission amount is related to the running memory and the connection open state of the interface.
Step S3012: dividing the pre-updated program pictures into batches according to the maximum data transmission quantity.
Dividing the pre-updated program pictures into a plurality of batches according to the maximum data transmission amount and the size of the pre-updated program pictures.
Step S3013: and reading the pre-updated program pictures in batches according to the batch division result.
And reading the whole pre-updated program picture in batches according to the batch division result.
The read pre-updated program pictures are pre-stored in the body, i.e. the saving function is reduced, the reading speed can be improved, and less time is spent.
Step S302: the memory file is used to store the array data of the pre-updated program pictures.
The memory file corresponds to a function in the android program, by means of which the pre-updated program pictures can be saved in the form of array data.
Step S303: the reflection takes the memryfile and serializes the array data.
After the step S302 is performed, the function of the memory file is indirectly obtained in a reflection mode.
Step S304: it is determined whether inter-thread communication is established. If yes, step S305 is executed, and if no, step S306 is executed.
This step determines whether inter-thread communication is established as represented in the code as bind AshmemService. If the inter-thread communication is established, i.e., the bind service is successful, step S305 is performed, and if the inter-thread communication is not established, step S306 is performed.
Step S305: sharing array data associated with the pre-updated program pictures in the thread, and packaging the array data into pixel information. The pixel information is represented in the code as FileDescriptor.
Step S306: and blocking the current thread according to the preset time.
If the judgment result shows that the inter-thread communication is not established, the current thread is blocked, the duration is preset time, for example, 10s, and the array data is not packaged in the time period. After the preset time is over, step S307 is executed again.
Step S307: and judging whether the inter-thread communication is established successfully or not. If yes, go to step S308.
It is again judged whether inter-thread communication is established, and if so, the current thread is resumed, step S308.
Step S308: the current thread is resumed and step S305 is performed to share the array data associated with the pre-updated program picture in the thread and encapsulate the array data into pixel information (FileDescriptor).
Step S40: and replacing the updated program picture with the pre-updated program picture according to the interface parameters and the pre-set program picture replacement strategy.
Specifically, as shown in fig. 4, step S40 replaces the updated program picture with the pre-updated program picture according to the interface parameter and the pre-set program picture replacement policy, including:
step S401: pixel information is acquired.
The pixel information (FileDescriptor) is acquired through S301-S308 in step S30.
Step S402: and sending update broadcast to the corresponding view layer according to the coordinates of the updated program picture.
The view layer is represented in code as ItemImageView; coordinates of the updated program picture, such as "x=0", "y=0", representing positional information when the pre-updated program picture is to be displayed on the LED display screen, are as the previous embodiment examples, and default to computer coordinates, when "x=0", "y=0", represent that the upper left vertex of the pre-updated program picture is to be displayed at the upper left vertex position of the LED display screen.
Step S403: the pixel information is read in bytes to obtain a pixel array.
The pixel information (FileDescriptor) is obtained FileInputStream, fileInputStream as a file input group in the form of one byte, that is, the pixel information is read in the form of bytes, and then a pixel array (bitmap) is obtained.
Step S404: and drawing all pixel points one by one in the view layer according to the pixel array to generate a pre-updated program picture.
The original pixel points in the view layer (ItemImageView) are drawn into updated program pictures, when a new pixel array (bitmap) is read, the pixel points in the view layer are redrawn according to the new pixel array (bitmap), the value of each pixel point is replaced and is replaced by the pixel point value corresponding to the pre-updated program picture, so that the ItemImageView displays the pixel array (bitmap), and the aim of replacing the updated program picture with the pre-updated program picture is fulfilled.
Step S50: and sending a program picture display instruction to the LED display screen.
And the LED display screen displays the replaced pre-updated program picture according to the program picture display instruction.
According to the method provided by the embodiment of the invention, besides the preset related information, the time spent from the time of receiving the fast-playing program picture request to the time of displaying the pre-updated program picture is reduced to be within 400ms from 950ms in the existing mode, so that the program release time is saved by more than half.
The present invention further provides an embodiment of a playing box, as shown in fig. 5, the playing box 1 includes a receiving module 101, a reading module 102, a replacing module 103, and a sending module 104, where:
the receiving module 101 is connected with the reading module 102 and is used for acquiring interface parameters and rapidly playing a program picture request; the interface parameters are generated through a preset parameter configuration strategy, and the interface parameters at least comprise the name of the currently played program, the type of the updated file and the coordinates of the updated program picture;
the reading module 102 is connected with the receiving module 101 and the replacing module 103 and is used for reading and storing pre-updated program pictures pre-stored in the terminal equipment according to a preset program picture acquisition strategy;
the replacing module 103 is connected with the reading module 102 and the sending module 104 and is used for replacing the updated program picture with a pre-updated program picture according to the interface parameters and a preset program picture replacing strategy;
and the sending module 104 is connected with the replacing module 103 and is used for sending a program picture display instruction to the LED display screen.
Specifically, in the embodiment of the present invention, the reading module 102 reads and stores pre-updated program pictures pre-stored in the terminal device according to a preset program picture acquisition policy, which includes the following steps, as shown in fig. 2 and 3:
step S301: and reading the pre-updated program picture.
Step S3011: the maximum data transmission amount of the network interface is obtained.
Step S3012: dividing the pre-updated program pictures into batches according to the maximum data transmission quantity.
Dividing the pre-updated program pictures into a plurality of batches according to the maximum data transmission amount and the size of the pre-updated program pictures.
Step S3013: and reading the pre-updated program pictures in batches according to the batch division result.
Step S302: the memory file is used to store the array data of the pre-updated program pictures.
Step S303: the reflection takes the memryfile and serializes the array data.
Step S304: it is determined whether inter-thread communication is established. If yes, step S305 is executed, and if no, step S306 is executed.
Step S305: sharing array data associated with the pre-updated program pictures in the thread, and packaging the array data into pixel information.
Step S306: and blocking the current thread according to the preset time.
Step S307: and judging whether the inter-thread communication is established successfully or not. If yes, go to step S308.
Step S308: and restoring the current thread, executing step S305, sharing the array data associated with the pre-updated program picture in the thread, and packaging the array data into pixel information.
Specifically, in the embodiment of the present invention, the replacing module 103 replaces the updated program picture with the pre-updated program picture according to the interface parameter and the preset program picture replacement policy, which specifically includes the following steps, as shown in fig. 4:
step S401: pixel information is acquired.
Step S402: and sending update broadcast to the corresponding view layer according to the coordinates of the updated program picture.
Step S403: the pixel information is read in bytes to obtain a pixel array.
Step S404: and drawing all pixel points one by one in the view layer according to the pixel array to generate a pre-updated program picture.
The invention also provides a system for fast playing a program picture, as shown in fig. 6, the system comprises a playing box 1 of the above embodiment, a terminal device 2, a server 3, a network interface 4 and an LED display 5, wherein the terminal device 2 is in communication connection with the server 3, the playing box 1 is in communication connection with the server 3 through the network interface 4, and the LED display 5 is in communication connection with the playing box 1, wherein:
the terminal equipment 2 is used for generating interface parameters for the network interface 4 through a preset parameter configuration strategy and the server 3; establishing a pre-update program picture reading channel; sending a request for fast playing of the program picture to the server 3; the interface parameters include at least the name of the currently playing program, the type of the updated file, and the coordinates of the updated program picture. The terminal device 2 may be implemented by a PC device or a tablet computer.
A server 3 for receiving the fast play program picture request and transmitting it to the play box 1 via the network interface 4.
A playing box 1, configured to receive a request for fast playing a program picture through a network interface 4; reading and storing pre-updated program pictures pre-stored in the terminal equipment 2 according to a preset program picture acquisition strategy; replacing the updated program picture with a pre-updated program picture according to the interface parameters and a preset program picture replacement strategy; and sends a program picture display instruction to the LED display 5.
And the LED display screen 5 is used for receiving the program picture display instruction and displaying the replaced program picture.
The functional implementation of the playing system of this embodiment may refer to the foregoing related embodiments, and will not be described herein.
The program picture quick playing method, the playing box and the playing system realize the transmission and the display of the pre-updated program pictures, can realize quick release aiming at the program pictures with smaller resolution, reduce the release time from 950ms in the existing mode to within 400ms in the mode, save more than half of release time, obviously improve the efficiency of program release, and further improve the user experience.
The invention has been further described with reference to specific embodiments, but it should be understood that the detailed description is not to be construed as limiting the spirit and scope of the invention, but rather as providing those skilled in the art with the benefit of this disclosure with the benefit of their various modifications to the described embodiments.
Claims (7)
1. The fast playing method of the program picture is characterized by comprising the following steps:
establishing a link with a network interface which is pre-configured with interface parameters; the interface parameters are generated through a preset parameter configuration strategy, and the interface parameters at least comprise the name of the currently played program, the type of the updated file and the coordinates of the updated program picture;
receiving a request for fast playing of the program picture through the network interface;
reading and storing pre-updated program pictures pre-stored in terminal equipment according to a preset program picture acquisition strategy;
replacing the updated program picture with the pre-updated program picture according to the interface parameter and a preset program picture replacement strategy;
sending a program picture display instruction to the LED display screen;
the reading and storing the pre-updated program pictures pre-stored in the terminal device according to the preset program picture obtaining strategy comprises the following steps:
reading the pre-updated program picture;
using a memory file to store the array data of the pre-updated program pictures;
reflection to obtain a memory file and serializing the array data;
judging whether inter-thread communication is established; if yes, then
Sharing the array data associated with the pre-updated program picture in a thread, and packaging the array data into pixel information; if not, then
Blocking the current thread according to the preset time;
judging whether the communication between threads is established successfully, if so,
restoring the current thread, sharing the array data associated with the pre-updated program picture in the thread, and packaging the array data into pixel information.
2. The method for fast playing a program picture according to claim 1, wherein said reading the pre-updated program picture comprises:
acquiring the maximum data transmission quantity of the network interface;
dividing the pre-updated program pictures into batches according to the maximum data transmission quantity;
and reading the pre-updated program pictures in batches according to the batch division result.
3. The method for fast playing a program picture according to claim 1, wherein said replacing the updated program picture with the pre-updated program picture according to the interface parameter and a preset program picture replacement policy comprises:
acquiring the pixel information;
sending update broadcast to the corresponding view layer according to the coordinates of the updated program picture;
reading the pixel information in the form of bytes to obtain a pixel array;
and drawing all pixel points one by one in the view layer according to the pixel array to generate the pre-updated program picture.
4. A method of fast playing a program picture as claimed in any one of claims 1 to 3, wherein the pre-updated program picture is a no effect picture.
5. The method for fast playing back a program picture according to claim 4, wherein the pre-updated program picture is in JPEG format, PNG format, or BMP format.
6. The utility model provides a play box which characterized in that, play box includes receiving module, reading module, replacement module and sending module, wherein:
the receiving module is connected with the reading module and is used for acquiring interface parameters and a request for quickly playing the program picture; the interface parameters are generated through a preset parameter configuration strategy, and the interface parameters at least comprise the name of the currently played program, the type of the updated file and the coordinates of the updated program picture;
the reading module is connected with the receiving module and the replacing module and is used for reading and storing pre-updated program pictures pre-stored in the terminal equipment according to a preset program picture acquisition strategy;
the replacing module is connected with the reading module and the sending module and is used for replacing the updated program picture with the pre-updated program picture according to the interface parameter and a preset program picture replacing strategy;
the sending module is connected with the replacing module and used for sending a program picture display instruction to the LED display screen;
the reading module reads and stores pre-updated program pictures pre-stored in the terminal equipment according to a preset program picture acquisition strategy, and the method comprises the following steps:
reading the pre-updated program picture;
using a memory file to store the array data of the pre-updated program pictures;
reflection to obtain a memory file and serializing the array data;
judging whether inter-thread communication is established; if yes, then
Sharing the array data associated with the pre-updated program picture in a thread, and packaging the array data into pixel information; if not, then
Blocking the current thread according to the preset time;
judging whether the communication between threads is established successfully, if so,
restoring the current thread, sharing the array data associated with the pre-updated program picture in the thread, and packaging the array data into pixel information.
7. A fast playing system for a program picture, characterized in that the system comprises the playing box of claim 6, and a terminal device, a server, a network interface and an LED display screen, wherein the terminal device is in communication connection with the server, the playing box is in communication connection with the server through the network interface, and the LED display screen is in communication connection with the playing box, wherein:
the terminal equipment is used for generating interface parameters for the network interface through a preset parameter configuration strategy and the server; establishing a pre-update program picture reading channel and sending a request for quickly playing the program picture to the server; the interface parameters at least comprise the name of the currently played program, the type of the updated file and the coordinates of the updated program picture;
the server is used for receiving a request for quickly playing the program picture and sending the request to the playing box through the network interface;
the playing box is used for receiving the request for rapidly playing the program pictures through the network interface; reading and storing pre-updated program pictures pre-stored in terminal equipment according to a preset program picture acquisition strategy; replacing the updated program picture with the pre-updated program picture according to the interface parameter and a preset program picture replacement strategy; sending a program picture display instruction to the LED display screen;
the LED display screen is used for receiving the program picture display instruction and displaying the replaced program picture.
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| CN202110231209.9A CN113014990B (en) | 2021-03-02 | 2021-03-02 | Quick playing method, playing box and playing system for program pictures |
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