CN113012657A - Layer processing method and device, video processing equipment and computer readable storage medium - Google Patents
Layer processing method and device, video processing equipment and computer readable storage medium Download PDFInfo
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- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
- G09G5/37—Details of the operation on graphic patterns
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/36—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators characterised by the display of a graphic pattern, e.g. using an all-points-addressable [APA] memory
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Abstract
The embodiment of the invention discloses a layer processing method and device, video processing equipment and a computer readable storage medium. The layer processing method includes, for example: receiving at least one input layer; processing the at least one input layer through at least one layer processing channel in a one-to-one correspondence manner to obtain at least one processed layer; reading a zoomed background picture which is subjected to zooming processing and stored; and synchronously outputting the zoomed background picture and the at least one processed layer to a display screen for displaying. The embodiment of the invention can ensure that the processing of the background layer does not occupy layer processing channel resources, and improve the processing capacity of the video input layer.
Description
Technical Field
The present invention relates to the field of display technologies, and in particular, to a layer processing method, a layer processing apparatus, a video processing device, and a computer-readable storage medium.
Background
With the development of video processing devices, users have increasingly demanded higher functions of video processing devices. This requires that the video processing device have more resources to perform its functions. At present, after a background layer is opened, video processing equipment of most manufacturers generally performs synchronous scaling processing and output display on an original background picture and a video input layer, but the scaling processing of the original background picture and the video input layer also occupies layer processing resources, that is, layer resources originally used for processing more video input layers are occupied by the background layer, so that the number of layer channel resources originally used for processing displayable video input layers is reduced.
Disclosure of Invention
The embodiment of the invention provides a layer processing method, a layer processing device, video processing equipment and a computer readable storage medium, which can ensure that the processing of a background layer does not occupy layer processing channel resources and improve the processing capacity of a video input layer.
On one hand, a layer processing method provided by the embodiment of the present invention includes: receiving at least one input layer; processing the at least one input layer through at least one layer processing channel in a one-to-one correspondence manner to obtain at least one processed layer; reading a zoomed background picture which is subjected to zooming processing and stored; and synchronously outputting the zoomed background picture and the at least one processed layer to a display screen for displaying.
According to the technical scheme, the background picture which is subjected to scaling processing in advance is read, and the background picture and the video input picture layer which is subjected to scaling processing through the picture layer processing channels are synchronously output for display, so that the situation that the original background picture occupies the picture layer processing channels for scaling and the like in the prior art is avoided, picture layer processing channel resources occupied by the original background picture are released, more video input picture layers can be processed, and the processing capacity of the video input picture layers is improved.
In an embodiment of the present invention, before reading the zoomed back scene picture which is processed by zooming and saved, the method further includes: acquiring an original background picture corresponding to the zoomed background picture; carrying out pre-zooming processing on the original background picture to obtain a zoomed background picture; and saving the zoomed background picture for reading.
In an embodiment of the present invention, the pre-scaling the original background picture to obtain the zoomed background picture specifically includes: and pre-zooming the original background picture according to a preset resolution to obtain the zoomed background picture.
In one embodiment of the invention, the preset resolution is equal to the resolution of the display screen.
In an embodiment of the present invention, before reading the scaled background picture that is scaled and stored, the layer processing method further includes: acquiring an original background picture corresponding to the zoomed background picture through a microcontroller or a network or a superior control device; after receiving a successful issuing signal of an original background picture sent by the microcontroller or the network or the superior control equipment, storing the original background picture in a volatile memory; reading the original background picture from the nonvolatile memory after receiving a background starting signal sent by the microcontroller or the network or the superior control equipment; and zooming the original background picture according to the resolution of the display screen to obtain the zoomed background picture, and storing the zoomed background picture to the nonvolatile memory.
On the other hand, an image layer processing apparatus provided in an embodiment of the present invention includes: the input layer receiving module is used for receiving at least one input layer; the input layer scaling module is used for processing the at least one input layer through at least one layer processing channel in a one-to-one correspondence manner to obtain at least one processed layer; the zoomed background picture reading module is used for reading a zoomed background picture which is subjected to pre-zooming processing and stored on the original background picture; and the image output display module is used for synchronously outputting the zoomed background picture and the at least one processed layer to a display screen for displaying.
In an embodiment of the present invention, the layer processing apparatus further includes: an original background picture acquiring module, configured to acquire an original background picture corresponding to the zoomed background picture; the original background picture zooming module is used for carrying out pre-zooming processing on the original background picture to obtain a zoomed background picture; and the zoomed back scene picture storage module is used for storing the zoomed back scene picture for reading.
In an embodiment of the present invention, the original background picture scaling module is specifically configured to: and pre-zooming the original background picture according to a preset resolution to obtain the zoomed background picture.
In another aspect, an embodiment of the present invention provides a video processing apparatus, including: the device comprises a memory and a processor connected with the memory, wherein the memory stores a computer program, and the processor executes the layer processing method when running the computer program.
In another aspect, an embodiment of the present invention provides a computer-readable storage medium, which is a non-volatile memory and stores computer-executable instructions, where the computer-executable instructions are used to execute the layer processing method.
One or more of the above technical solutions may have the following advantages or beneficial effects: by reading the background picture which is subjected to scaling processing in advance and synchronously outputting the background picture and the video input picture which is subjected to scaling processing through the picture layer processing channels in a one-to-one correspondence mode for display, the situation that the original background picture occupies the picture layer processing channels for scaling in the prior art is avoided, the picture layer processing channel resources occupied by the original background picture are released, more video input picture layers can be processed, and the processing capacity of the video input picture layers is improved. In addition, when the resolution ratio of the original background picture subjected to pre-zooming processing is equal to the resolution ratio of a display screen used for displaying the background picture, the zoomed background picture can be paved on the whole display screen, the function of automatically paving the whole screen along with the resolution ratio of the display screen is realized, and the display effect is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic flowchart of a layer processing method according to a first embodiment of the present invention.
Fig. 2 is another schematic flow chart of the layer processing method according to the first embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a hardware architecture for implementing the layer processing method according to the embodiment of the present invention.
Fig. 4 is a schematic diagram illustrating a process of pre-scaling an original background picture.
Fig. 5 is a schematic structural diagram of a layer processing apparatus according to a second embodiment of the present invention.
Fig. 6 is another schematic structural diagram of a layer processing apparatus according to a second embodiment of the present invention.
Fig. 7 is a schematic structural diagram of a video processing apparatus according to a third embodiment of the present invention.
Fig. 8 is a schematic structural diagram of a computer-readable storage medium according to a fourth embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
[ first embodiment ] A method for manufacturing a semiconductor device
As shown in fig. 1, a first embodiment of the present invention provides a layer processing method. The layer processing method can be applied to video processing equipment and can be executed by a programmable logic device of the video processing equipment. Specifically, the layer processing method provided in the embodiment of the present invention includes, for example, the steps of:
s11: receiving at least one input layer;
s12: processing the at least one input layer through at least one layer processing channel in a one-to-one correspondence manner to obtain at least one processed layer;
s13: reading a zoomed background picture which is subjected to zooming processing and stored; and
s14: and synchronously outputting the zoomed background picture and the at least one processed layer to a display screen for displaying.
Therefore, by reading the background picture which is subjected to scaling processing in advance and synchronously outputting the background picture and the video input picture layer which is subjected to scaling processing through the picture layer processing channel in a one-to-one correspondence manner for display, the situation that the original background picture occupies the picture layer processing channel for scaling in the prior art is avoided, picture layer processing channel resources occupied by the original background picture are released, more video input picture layers can be processed, and the processing capacity of the video input picture layers is improved.
Specifically, as shown in fig. 2, before step S13, the layer processing method further includes, for example, the steps of:
s15: acquiring an original background picture corresponding to the zoomed background picture;
s16: carrying out pre-zooming processing on the original background picture to obtain a zoomed background picture; and
s17: and saving the zoomed background picture for reading.
Further, step S16 is specifically: and pre-zooming the original background picture according to a preset resolution to obtain the zoomed background picture.
Further, the preset resolution is equal to the resolution of the display screen.
In order to facilitate understanding of the present invention, each step of the layer processing method of the present embodiment will be described in detail below with reference to fig. 3 and 4.
The layer processing method provided by the embodiment of the invention can be applied to video processing equipment for processing and displaying images. The video processing device may be connected to a display screen. The display screen may be, for example, an LED display screen, or may also be other display screens such as an LCD, and the invention is not limited thereto. As shown in fig. 3, the video processing apparatus includes, for example, a microcontroller, a programmable logic device connected to the microcontroller, and a volatile memory connected to the programmable logic device. The Programmable logic device is, for example, an FPGA (Field Programmable Gate Array), and is configured to receive a video source input, perform processing, such as scaling processing, superimposing processing, and the like, on an input layer of the video source, and output processed video data to a display screen for display. The microcontroller is, for example, an MCU, and is mainly used for loading an FPGA program, transceiving a control instruction, communicating with other devices such as an upper computer, and the like. The volatile memory is, for example, DDR (Double Data rate sdram), which is mainly used for buffering Data and information during the operation of the video processing apparatus. The layer processing method provided by the embodiment of the invention mainly comprises the steps of carrying out pre-scaling processing on an original background picture and storing the pre-scaled and stored background picture on a DDR (double data rate), so that an FPGA (field programmable gate array) can directly read the pre-scaled and stored background when carrying out scaling processing on a video input layer by adopting a layer scaling processing channel and synchronously output the pre-scaled and stored background and the video input layer for display.
As shown in fig. 4, the MCU, the network (web), or a higher-level control device, such as a PC, issues an original background picture to the FPGA, and sends a successful issuing signal (config _ done) of the original background picture after the original background picture is successfully issued, so as to notify the FPGA that the original background picture is successfully issued. And the FPGA stores the received original background picture into the DDR. When the FPGA receives a background opening signal (open) issued by the MCU and the like, the FPGA acquires a background picture (channel 1 in fig. 4) from the DDR designated address and transmits the background picture to the scaling module, and performs pre-scaling on the background picture according to a preset resolution, that is, performs scaling on the original background picture in advance. Then, the FPGA saves the background picture after the scaling process is completed to the DDR again (2 channels in fig. 4) for use. It should be noted here that the preset resolution may be a resolution defined by a user, and may also be equal to a resolution of a display screen for displaying a background picture. When the preset resolution is equal to the resolution of the display screen, the zoomed background picture can be paved on the whole display screen when the zoomed background picture is displayed. Then, the FPGA does not need to repeatedly read the background picture from the DDR and perform scaling processing. When the FPGA needs to open the background, the FPGA reads the background picture after scaling from the DDR through the DDR data reading channel (3 channels in fig. 4). After receiving at least one video input layer, the FPGA performs scaling processing on the received at least one video input layer in a one-to-one correspondence mode through at least one layer processing channel to obtain at least one processed layer. And finally, the FPGA synchronously outputs the read zoomed background picture and the at least one processed layer for display.
In addition, when the display resolution is changed or the background picture needs to be intercepted, the FPGA carries out zooming processing on the original background picture again. At this time, when receiving the background rereading signal (re _ read), the FPGA reads the original background picture from the DDR again (channel 1 in fig. 4), and transmits the original background picture to the scaling module for pre-scaling. And after the scaling processing is finished, storing the background picture after the scaling processing is finished again into the DDR, closing the channels 1 and 2, and finishing the scaling of the original background picture. And then, the FPGA can read the background picture after the scaling processing from the DDR again through the DDR reading channel and output the background picture for display. Therefore, only when the background picture is zoomed, a part of DDR bandwidth is additionally consumed, and under the condition that the total DDR bandwidth is not changed, other video input image layers and the background image layer can be simultaneously displayed.
In summary, in the embodiments of the present invention, the background picture that is subjected to scaling processing in advance is read, and the background picture and the video input layer that is subjected to scaling processing by the layer processing channel in one-to-one correspondence are synchronously output for display, so that it is avoided that the original background picture occupies the layer processing channel for scaling in the prior art, and the layer processing channel resources occupied by the original background picture are released, so that more video input layers can be processed, and the processing capability of the video input layer is improved. In addition, when the resolution ratio of the background picture subjected to the pre-zooming processing is equal to the resolution ratio of the display screen for displaying the background picture, the zoomed background picture can be paved on the whole display screen, so that the function of automatically paving the whole screen along with the resolution ratio of the display screen is realized, and the display effect is improved.
[ second embodiment ]
As shown in fig. 5, a layer processing apparatus 400 is provided according to a second embodiment of the present invention. The layer processing apparatus 400 includes, for example: an input layer receiving module 410, an input layer scaling module 420, a post-scaling scene picture reading module 430, and an image output display module 440.
An input layer receiving module 410, configured to receive at least one input layer;
an input layer scaling module 420, configured to process the at least one input layer through at least one layer processing channel in a one-to-one correspondence manner to obtain at least one processed layer;
a zoomed background picture reading module 430, configured to read a zoomed background picture obtained by performing pre-zooming processing on an original background picture and storing the zoomed background picture; and
and an image output and display module 440, configured to output the zoomed background image and the at least one processed layer to a display screen synchronously.
Further, as shown in fig. 6, the layer processing apparatus 400 further includes, for example:
an original background picture obtaining module 450, configured to obtain an original background picture corresponding to the zoomed background picture;
an original background picture scaling module 460, configured to perform pre-scaling processing on the original background picture to obtain the zoomed background picture; and
and an after-zoom scene picture saving module 470, configured to save the after-zoom scene picture for reading.
For specific working processes and technical effects among the modules in the layer processing apparatus 400 in this embodiment, reference is made to the description of the first embodiment, and details are not repeated here.
[ third embodiment ]
As shown in fig. 7, a third embodiment of the present invention provides a video processing apparatus 500. Typically, the video processing apparatus 500 may be, for example, an apparatus having an image processing function such as layer scaling, etc., such as a video processor, a video splicer, a video switcher, etc. The video processing device 500 comprises, for example, a memory 510 and a processor 530 coupled to the memory 510. The memory 510 may be, for example, a non-volatile memory having stored thereon a computer program 511. Processor 530 may be, for example, a microcontroller. The processor 530 executes the layer processing method in the first embodiment when running the computer program 511.
The specific operation and technical effects of the video processing apparatus 500 in the present embodiment are described with reference to the foregoing first embodiment.
[ fourth example ] A
As shown in fig. 8, a fourth embodiment of the present invention provides a storage medium such as a computer-readable storage medium 600. The computer-readable storage medium 600 is, for example, a nonvolatile memory, which is, for example: magnetic media (e.g., hard disks, floppy disks, and magnetic tape), optical media (e.g., CDROM disks and DVDs), magneto-optical media (e.g., optical disks), and hardware devices specially constructed for storing and executing computer-executable instructions (e.g., Read Only Memories (ROMs), Random Access Memories (RAMs), flash memories, etc.). Computer-readable storage medium 600 has stored thereon computer-executable instructions 610. The computer-readable storage medium 600 may be executed by one or more processors or processing devices to execute the computer-executable instructions 610 to implement the layer processing method in the foregoing first embodiment.
In addition, it should be understood that the foregoing embodiments are merely exemplary illustrations of the present invention, and the technical solutions of the embodiments can be arbitrarily combined and collocated without conflict between technical features and structural contradictions, which do not violate the purpose of the present invention.
In the embodiments provided in the present invention, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, a division of a unit is merely a division of one logic function, and an actual implementation may have another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may also be distributed on multiple network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. An image layer processing method is characterized by comprising the following steps:
receiving at least one input layer;
processing the at least one input layer through at least one layer processing channel in a one-to-one correspondence manner to obtain at least one processed layer;
reading a zoomed background picture which is subjected to zooming processing and stored; and
and synchronously outputting the zoomed background picture and the at least one processed layer to a display screen for displaying.
2. The layer processing method according to claim 1, before reading the zoomed background picture which is subjected to the zoom processing and saved, further comprising:
acquiring an original background picture corresponding to the zoomed background picture;
carrying out pre-zooming processing on the original background picture to obtain a zoomed background picture; and
and saving the zoomed background picture for reading.
3. The layer processing method according to claim 2, wherein the pre-scaling of the original background picture to obtain the scaled background picture specifically includes:
and pre-zooming the original background picture according to a preset resolution to obtain the zoomed background picture.
4. Layer processing method according to claim 3, characterized in that said preset resolution is equal to the resolution of said display screen.
5. The layer processing method according to claim 1, wherein before reading the scaled background picture that is scaled and saved, the layer processing method further comprises:
acquiring an original background picture corresponding to the zoomed background picture through a microcontroller or a network or a superior control device;
after receiving a successful issuing signal of an original background picture sent by the microcontroller or the network or the superior control equipment, storing the original background picture in a volatile memory;
reading the original background picture from the nonvolatile memory after receiving a background starting signal sent by the microcontroller or the network or the superior control equipment; and
and zooming the original background picture according to the resolution of the display screen to obtain the zoomed background picture, and storing the zoomed background picture to the nonvolatile memory.
6. An image layer processing apparatus, comprising:
the input layer receiving module is used for receiving at least one input layer;
the input layer scaling module is used for processing the at least one input layer through at least one layer processing channel in a one-to-one correspondence manner to obtain at least one processed layer;
the zoomed background picture reading module is used for reading a zoomed background picture which is subjected to pre-zooming processing and stored on the original background picture; and
and the image output display module is used for synchronously outputting the zoomed background picture and the at least one processed layer to a display screen for display.
7. The layer processing apparatus according to claim 6, further comprising:
an original background picture acquiring module, configured to acquire an original background picture corresponding to the zoomed background picture;
the original background picture zooming module is used for carrying out pre-zooming processing on the original background picture to obtain a zoomed background picture; and
and the zoomed back scene picture storage module is used for storing the zoomed back scene picture for reading.
8. The layer processing apparatus according to claim 7, wherein the original background picture scaling module is specifically configured to:
and pre-zooming the original background picture according to a preset resolution to obtain the zoomed background picture.
9. A video processing apparatus, comprising: a memory and a processor connected to the memory, wherein the memory stores a computer program, and the processor executes the computer program to execute the layer processing method according to any one of claims 1 to 5.
10. A computer-readable storage medium, which is a non-volatile memory and stores computer-executable instructions, wherein the computer-executable instructions are used for executing the layer processing method according to any one of claims 1 to 5.
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Application publication date: 20210622 |